1 /* Jim - A small embeddable Tcl interpreter
3 * Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
4 * Copyright 2005 Clemens Hintze <c.hintze@gmx.net>
5 * Copyright 2005 patthoyts - Pat Thoyts <patthoyts@users.sf.net>
6 * Copyright 2008 oharboe - Øyvind Harboe - oyvind.harboe@zylin.com
7 * Copyright 2008 Andrew Lunn <andrew@lunn.ch>
8 * Copyright 2008 Duane Ellis <openocd@duaneellis.com>
9 * Copyright 2008 Uwe Klein <uklein@klein-messgeraete.de>
10 * Copyright 2008 Steve Bennett <steveb@workware.net.au>
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
18 * 1. Redistributions of source code must retain the above copyright
19 * notice, this list of conditions and the following disclaimer.
20 * 2. Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
25 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
26 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
27 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
28 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
30 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
31 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
36 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 * The views and conclusions contained in the software and documentation
39 * are those of the authors and should not be interpreted as representing
40 * official policies, either expressed or implied, of the Jim Tcl Project.
43 #define JIM_OPTIMIZATION /* comment to avoid optimizations and reduce size */
46 #include <pkgconf/jimtcl.h>
49 #define JIM_DYNLIB /* Dynamic library support for UNIX and WIN32 */
50 #endif /* JIM_ANSIC */
62 /* sys/time - need is different */
64 #include <sys/time.h> // for gettimeofday()
67 #include "replacements.h"
69 /* Include the platform dependent libraries for
70 * dynamic loading of libraries. */
72 #if defined(_WIN32) || defined(WIN32)
79 #define WIN32_LEAN_AND_MEAN
82 #pragma warning(disable:4146)
87 #endif /* JIM_DYNLIB */
94 #include <cyg/jimtcl/jim.h>
100 #include <execinfo.h>
103 /* -----------------------------------------------------------------------------
105 * ---------------------------------------------------------------------------*/
107 /* A shared empty string for the objects string representation.
108 * Jim_InvalidateStringRep knows about it and don't try to free. */
109 static char *JimEmptyStringRep
= (char*) "";
111 /* -----------------------------------------------------------------------------
112 * Required prototypes of not exported functions
113 * ---------------------------------------------------------------------------*/
114 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
);
115 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
, int flags
);
116 static void JimRegisterCoreApi(Jim_Interp
*interp
);
118 static Jim_HashTableType JimVariablesHashTableType
;
120 /* -----------------------------------------------------------------------------
122 * ---------------------------------------------------------------------------*/
125 jim_vasprintf( const char *fmt
, va_list ap
)
127 #ifndef HAVE_VASPRINTF
129 static char buf
[2048];
130 vsnprintf( buf
, sizeof(buf
), fmt
, ap
);
131 /* garentee termination */
132 buf
[sizeof(buf
)-1] = 0;
135 vasprintf( &buf
, fmt
, ap
);
141 jim_vasprintf_done( void *buf
)
143 #ifndef HAVE_VASPRINTF
152 * Convert a string to a jim_wide INTEGER.
153 * This function originates from BSD.
155 * Ignores `locale' stuff. Assumes that the upper and lower case
156 * alphabets and digits are each contiguous.
158 #ifdef HAVE_LONG_LONG
159 #define JimIsAscii(c) (((c) & ~0x7f) == 0)
160 static jim_wide
JimStrtoll(const char *nptr
, char **endptr
, register int base
)
162 register const char *s
;
163 register unsigned jim_wide acc
;
164 register unsigned char c
;
165 register unsigned jim_wide qbase
, cutoff
;
166 register int neg
, any
, cutlim
;
169 * Skip white space and pick up leading +/- sign if any.
170 * If base is 0, allow 0x for hex and 0 for octal, else
171 * assume decimal; if base is already 16, allow 0x.
176 } while (isspace(c
));
185 if ((base
== 0 || base
== 16) &&
186 c
== '0' && (*s
== 'x' || *s
== 'X')) {
192 base
= c
== '0' ? 8 : 10;
195 * Compute the cutoff value between legal numbers and illegal
196 * numbers. That is the largest legal value, divided by the
197 * base. An input number that is greater than this value, if
198 * followed by a legal input character, is too big. One that
199 * is equal to this value may be valid or not; the limit
200 * between valid and invalid numbers is then based on the last
201 * digit. For instance, if the range for quads is
202 * [-9223372036854775808..9223372036854775807] and the input base
203 * is 10, cutoff will be set to 922337203685477580 and cutlim to
204 * either 7 (neg==0) or 8 (neg==1), meaning that if we have
205 * accumulated a value > 922337203685477580, or equal but the
206 * next digit is > 7 (or 8), the number is too big, and we will
207 * return a range error.
209 * Set any if any `digits' consumed; make it negative to indicate
212 qbase
= (unsigned)base
;
213 cutoff
= neg
? (unsigned jim_wide
)-(LLONG_MIN
+ LLONG_MAX
) + LLONG_MAX
215 cutlim
= (int)(cutoff
% qbase
);
217 for (acc
= 0, any
= 0;; c
= *s
++) {
223 c
-= isupper(c
) ? 'A' - 10 : 'a' - 10;
228 if (any
< 0 || acc
> cutoff
|| (acc
== cutoff
&& c
> cutlim
))
237 acc
= neg
? LLONG_MIN
: LLONG_MAX
;
242 *endptr
= (char *)(any
? s
- 1 : nptr
);
247 /* Glob-style pattern matching. */
248 static int JimStringMatch(const char *pattern
, int patternLen
,
249 const char *string
, int stringLen
, int nocase
)
254 while (pattern
[1] == '*') {
259 return 1; /* match */
261 if (JimStringMatch(pattern
+1, patternLen
-1,
262 string
, stringLen
, nocase
))
263 return 1; /* match */
267 return 0; /* no match */
271 return 0; /* no match */
281 not = pattern
[0] == '^';
288 if (pattern
[0] == '\\') {
291 if (pattern
[0] == string
[0])
293 } else if (pattern
[0] == ']') {
295 } else if (patternLen
== 0) {
299 } else if (pattern
[1] == '-' && patternLen
>= 3) {
300 int start
= pattern
[0];
301 int end
= pattern
[2];
309 start
= tolower(start
);
315 if (c
>= start
&& c
<= end
)
319 if (pattern
[0] == string
[0])
322 if (tolower((int)pattern
[0]) == tolower((int)string
[0]))
332 return 0; /* no match */
338 if (patternLen
>= 2) {
345 if (pattern
[0] != string
[0])
346 return 0; /* no match */
348 if (tolower((int)pattern
[0]) != tolower((int)string
[0]))
349 return 0; /* no match */
357 if (stringLen
== 0) {
358 while(*pattern
== '*') {
365 if (patternLen
== 0 && stringLen
== 0)
370 int JimStringCompare(const char *s1
, int l1
, const char *s2
, int l2
,
373 unsigned char *u1
= (unsigned char*) s1
, *u2
= (unsigned char*) s2
;
379 u1
++; u2
++; l1
--; l2
--;
381 if (!l1
&& !l2
) return 0;
385 if (tolower((int)*u1
) != tolower((int)*u2
))
386 return tolower((int)*u1
)-tolower((int)*u2
);
387 u1
++; u2
++; l1
--; l2
--;
389 if (!l1
&& !l2
) return 0;
394 /* Search 's1' inside 's2', starting to search from char 'index' of 's2'.
395 * The index of the first occurrence of s1 in s2 is returned.
396 * If s1 is not found inside s2, -1 is returned. */
397 int JimStringFirst(const char *s1
, int l1
, const char *s2
, int l2
, int index
)
401 if (!l1
|| !l2
|| l1
> l2
) return -1;
402 if (index
< 0) index
= 0;
404 for (i
= index
; i
<= l2
-l1
; i
++) {
405 if (memcmp(s2
, s1
, l1
) == 0)
412 int Jim_WideToString(char *buf
, jim_wide wideValue
)
414 const char *fmt
= "%" JIM_WIDE_MODIFIER
;
415 return sprintf(buf
, fmt
, wideValue
);
418 int Jim_StringToWide(const char *str
, jim_wide
*widePtr
, int base
)
422 #ifdef HAVE_LONG_LONG
423 *widePtr
= JimStrtoll(str
, &endptr
, base
);
425 *widePtr
= strtol(str
, &endptr
, base
);
427 if ((str
[0] == '\0') || (str
== endptr
) )
429 if (endptr
[0] != '\0') {
431 if (!isspace((int)*endptr
))
439 int Jim_StringToIndex(const char *str
, int *intPtr
)
443 *intPtr
= strtol(str
, &endptr
, 10);
444 if ( (str
[0] == '\0') || (str
== endptr
) )
446 if (endptr
[0] != '\0') {
448 if (!isspace((int)*endptr
))
456 /* The string representation of references has two features in order
457 * to make the GC faster. The first is that every reference starts
458 * with a non common character '~', in order to make the string matching
459 * fater. The second is that the reference string rep his 32 characters
460 * in length, this allows to avoid to check every object with a string
461 * repr < 32, and usually there are many of this objects. */
463 #define JIM_REFERENCE_SPACE (35+JIM_REFERENCE_TAGLEN)
465 static int JimFormatReference(char *buf
, Jim_Reference
*refPtr
, jim_wide id
)
467 const char *fmt
= "<reference.<%s>.%020" JIM_WIDE_MODIFIER
">";
468 sprintf(buf
, fmt
, refPtr
->tag
, id
);
469 return JIM_REFERENCE_SPACE
;
472 int Jim_DoubleToString(char *buf
, double doubleValue
)
477 len
= sprintf(buf
, "%.17g", doubleValue
);
480 if (*s
== '.') return len
;
483 /* Add a final ".0" if it's a number. But not
485 if (isdigit((int)buf
[0])
486 || ((buf
[0] == '-' || buf
[0] == '+')
487 && isdigit((int)buf
[1]))) {
496 int Jim_StringToDouble(const char *str
, double *doublePtr
)
500 *doublePtr
= strtod(str
, &endptr
);
501 if (str
[0] == '\0' || endptr
[0] != '\0' || (str
== endptr
) )
506 static jim_wide
JimPowWide(jim_wide b
, jim_wide e
)
509 if ((b
==0 && e
!=0) || (e
<0)) return 0;
510 for(i
=0; i
<e
; i
++) {res
*= b
;}
514 /* -----------------------------------------------------------------------------
516 * ---------------------------------------------------------------------------*/
518 /* Note that 'interp' may be NULL if not available in the
519 * context of the panic. It's only useful to get the error
520 * file descriptor, it will default to stderr otherwise. */
521 void Jim_Panic(Jim_Interp
*interp
, const char *fmt
, ...)
527 * Send it here first.. Assuming STDIO still works
529 fprintf(stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
530 vfprintf(stderr
, fmt
, ap
);
531 fprintf(stderr
, JIM_NL JIM_NL
);
534 #ifdef HAVE_BACKTRACE
540 size
= backtrace(array
, 40);
541 strings
= backtrace_symbols(array
, size
);
542 for (i
= 0; i
< size
; i
++)
543 fprintf(fp
,"[backtrace] %s" JIM_NL
, strings
[i
]);
544 fprintf(fp
,"[backtrace] Include the above lines and the output" JIM_NL
);
545 fprintf(fp
,"[backtrace] of 'nm <executable>' in the bug report." JIM_NL
);
549 /* This may actually crash... we do it last */
550 if( interp
&& interp
->cookie_stderr
){
551 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
552 Jim_vfprintf( interp
, interp
->cookie_stderr
, fmt
, ap
);
553 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL JIM_NL
);
558 /* -----------------------------------------------------------------------------
560 * ---------------------------------------------------------------------------*/
562 /* Macro used for memory debugging.
563 * In order for they to work you have to rename Jim_Alloc into _Jim_Alloc
564 * and similary for Jim_Realloc and Jim_Free */
566 #define Jim_Alloc(s) (printf("%s %d: Jim_Alloc(%d)\n",__FILE__,__LINE__,s),_Jim_Alloc(s))
567 #define Jim_Free(p) (printf("%s %d: Jim_Free(%p)\n",__FILE__,__LINE__,p),_Jim_Free(p))
568 #define Jim_Realloc(p,s) (printf("%s %d: Jim_Realloc(%p,%d)\n",__FILE__,__LINE__,p,s),_Jim_Realloc(p,s))
571 void *Jim_Alloc(int size
)
573 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
576 void *p
= malloc(size
);
578 Jim_Panic(NULL
,"malloc: Out of memory");
582 void Jim_Free(void *ptr
) {
586 void *Jim_Realloc(void *ptr
, int size
)
588 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
591 void *p
= realloc(ptr
, size
);
593 Jim_Panic(NULL
,"realloc: Out of memory");
597 char *Jim_StrDup(const char *s
)
600 char *copy
= Jim_Alloc(l
+1);
602 memcpy(copy
, s
, l
+1);
606 char *Jim_StrDupLen(const char *s
, int l
)
608 char *copy
= Jim_Alloc(l
+1);
610 memcpy(copy
, s
, l
+1);
611 copy
[l
] = 0; /* Just to be sure, original could be substring */
615 /* -----------------------------------------------------------------------------
616 * Time related functions
617 * ---------------------------------------------------------------------------*/
618 /* Returns microseconds of CPU used since start. */
619 static jim_wide
JimClock(void)
621 #if (defined WIN32) && !(defined JIM_ANSIC)
623 QueryPerformanceFrequency(&f
);
624 QueryPerformanceCounter(&t
);
625 return (long)((t
.QuadPart
* 1000000) / f
.QuadPart
);
627 clock_t clocks
= clock();
629 return (long)(clocks
*(1000000/CLOCKS_PER_SEC
));
633 /* -----------------------------------------------------------------------------
635 * ---------------------------------------------------------------------------*/
637 /* -------------------------- private prototypes ---------------------------- */
638 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
);
639 static unsigned int JimHashTableNextPower(unsigned int size
);
640 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
);
642 /* -------------------------- hash functions -------------------------------- */
644 /* Thomas Wang's 32 bit Mix Function */
645 unsigned int Jim_IntHashFunction(unsigned int key
)
656 /* Identity hash function for integer keys */
657 unsigned int Jim_IdentityHashFunction(unsigned int key
)
662 /* Generic hash function (we are using to multiply by 9 and add the byte
664 unsigned int Jim_GenHashFunction(const unsigned char *buf
, int len
)
672 /* ----------------------------- API implementation ------------------------- */
673 /* reset an hashtable already initialized with ht_init().
674 * NOTE: This function should only called by ht_destroy(). */
675 static void JimResetHashTable(Jim_HashTable
*ht
)
684 /* Initialize the hash table */
685 int Jim_InitHashTable(Jim_HashTable
*ht
, Jim_HashTableType
*type
,
688 JimResetHashTable(ht
);
690 ht
->privdata
= privDataPtr
;
694 /* Resize the table to the minimal size that contains all the elements,
695 * but with the invariant of a USER/BUCKETS ration near to <= 1 */
696 int Jim_ResizeHashTable(Jim_HashTable
*ht
)
698 int minimal
= ht
->used
;
700 if (minimal
< JIM_HT_INITIAL_SIZE
)
701 minimal
= JIM_HT_INITIAL_SIZE
;
702 return Jim_ExpandHashTable(ht
, minimal
);
705 /* Expand or create the hashtable */
706 int Jim_ExpandHashTable(Jim_HashTable
*ht
, unsigned int size
)
708 Jim_HashTable n
; /* the new hashtable */
709 unsigned int realsize
= JimHashTableNextPower(size
), i
;
711 /* the size is invalid if it is smaller than the number of
712 * elements already inside the hashtable */
713 if (ht
->used
>= size
)
716 Jim_InitHashTable(&n
, ht
->type
, ht
->privdata
);
718 n
.sizemask
= realsize
-1;
719 n
.table
= Jim_Alloc(realsize
*sizeof(Jim_HashEntry
*));
721 /* Initialize all the pointers to NULL */
722 memset(n
.table
, 0, realsize
*sizeof(Jim_HashEntry
*));
724 /* Copy all the elements from the old to the new table:
725 * note that if the old hash table is empty ht->size is zero,
726 * so Jim_ExpandHashTable just creates an hash table. */
728 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
729 Jim_HashEntry
*he
, *nextHe
;
731 if (ht
->table
[i
] == NULL
) continue;
733 /* For each hash entry on this slot... */
739 /* Get the new element index */
740 h
= Jim_HashKey(ht
, he
->key
) & n
.sizemask
;
741 he
->next
= n
.table
[h
];
744 /* Pass to the next element */
748 assert(ht
->used
== 0);
751 /* Remap the new hashtable in the old */
756 /* Add an element to the target hash table */
757 int Jim_AddHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
760 Jim_HashEntry
*entry
;
762 /* Get the index of the new element, or -1 if
763 * the element already exists. */
764 if ((index
= JimInsertHashEntry(ht
, key
)) == -1)
767 /* Allocates the memory and stores key */
768 entry
= Jim_Alloc(sizeof(*entry
));
769 entry
->next
= ht
->table
[index
];
770 ht
->table
[index
] = entry
;
772 /* Set the hash entry fields. */
773 Jim_SetHashKey(ht
, entry
, key
);
774 Jim_SetHashVal(ht
, entry
, val
);
779 /* Add an element, discarding the old if the key already exists */
780 int Jim_ReplaceHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
782 Jim_HashEntry
*entry
;
784 /* Try to add the element. If the key
785 * does not exists Jim_AddHashEntry will suceed. */
786 if (Jim_AddHashEntry(ht
, key
, val
) == JIM_OK
)
788 /* It already exists, get the entry */
789 entry
= Jim_FindHashEntry(ht
, key
);
790 /* Free the old value and set the new one */
791 Jim_FreeEntryVal(ht
, entry
);
792 Jim_SetHashVal(ht
, entry
, val
);
796 /* Search and remove an element */
797 int Jim_DeleteHashEntry(Jim_HashTable
*ht
, const void *key
)
800 Jim_HashEntry
*he
, *prevHe
;
804 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
809 if (Jim_CompareHashKeys(ht
, key
, he
->key
)) {
810 /* Unlink the element from the list */
812 prevHe
->next
= he
->next
;
814 ht
->table
[h
] = he
->next
;
815 Jim_FreeEntryKey(ht
, he
);
816 Jim_FreeEntryVal(ht
, he
);
824 return JIM_ERR
; /* not found */
827 /* Destroy an entire hash table */
828 int Jim_FreeHashTable(Jim_HashTable
*ht
)
832 /* Free all the elements */
833 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
834 Jim_HashEntry
*he
, *nextHe
;
836 if ((he
= ht
->table
[i
]) == NULL
) continue;
839 Jim_FreeEntryKey(ht
, he
);
840 Jim_FreeEntryVal(ht
, he
);
846 /* Free the table and the allocated cache structure */
848 /* Re-initialize the table */
849 JimResetHashTable(ht
);
850 return JIM_OK
; /* never fails */
853 Jim_HashEntry
*Jim_FindHashEntry(Jim_HashTable
*ht
, const void *key
)
858 if (ht
->size
== 0) return NULL
;
859 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
862 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
869 Jim_HashTableIterator
*Jim_GetHashTableIterator(Jim_HashTable
*ht
)
871 Jim_HashTableIterator
*iter
= Jim_Alloc(sizeof(*iter
));
876 iter
->nextEntry
= NULL
;
880 Jim_HashEntry
*Jim_NextHashEntry(Jim_HashTableIterator
*iter
)
883 if (iter
->entry
== NULL
) {
886 (signed)iter
->ht
->size
) break;
887 iter
->entry
= iter
->ht
->table
[iter
->index
];
889 iter
->entry
= iter
->nextEntry
;
892 /* We need to save the 'next' here, the iterator user
893 * may delete the entry we are returning. */
894 iter
->nextEntry
= iter
->entry
->next
;
901 /* ------------------------- private functions ------------------------------ */
903 /* Expand the hash table if needed */
904 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
)
906 /* If the hash table is empty expand it to the intial size,
907 * if the table is "full" dobule its size. */
909 return Jim_ExpandHashTable(ht
, JIM_HT_INITIAL_SIZE
);
910 if (ht
->size
== ht
->used
)
911 return Jim_ExpandHashTable(ht
, ht
->size
*2);
915 /* Our hash table capability is a power of two */
916 static unsigned int JimHashTableNextPower(unsigned int size
)
918 unsigned int i
= JIM_HT_INITIAL_SIZE
;
920 if (size
>= 2147483648U)
929 /* Returns the index of a free slot that can be populated with
930 * an hash entry for the given 'key'.
931 * If the key already exists, -1 is returned. */
932 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
)
937 /* Expand the hashtable if needed */
938 if (JimExpandHashTableIfNeeded(ht
) == JIM_ERR
)
940 /* Compute the key hash value */
941 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
942 /* Search if this slot does not already contain the given key */
945 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
952 /* ----------------------- StringCopy Hash Table Type ------------------------*/
954 static unsigned int JimStringCopyHTHashFunction(const void *key
)
956 return Jim_GenHashFunction(key
, strlen(key
));
959 static const void *JimStringCopyHTKeyDup(void *privdata
, const void *key
)
961 int len
= strlen(key
);
962 char *copy
= Jim_Alloc(len
+1);
963 JIM_NOTUSED(privdata
);
965 memcpy(copy
, key
, len
);
970 static void *JimStringKeyValCopyHTValDup(void *privdata
, const void *val
)
972 int len
= strlen(val
);
973 char *copy
= Jim_Alloc(len
+1);
974 JIM_NOTUSED(privdata
);
976 memcpy(copy
, val
, len
);
981 static int JimStringCopyHTKeyCompare(void *privdata
, const void *key1
,
984 JIM_NOTUSED(privdata
);
986 return strcmp(key1
, key2
) == 0;
989 static void JimStringCopyHTKeyDestructor(void *privdata
, const void *key
)
991 JIM_NOTUSED(privdata
);
993 Jim_Free((void*)key
); /* ATTENTION: const cast */
996 static void JimStringKeyValCopyHTValDestructor(void *privdata
, void *val
)
998 JIM_NOTUSED(privdata
);
1000 Jim_Free((void*)val
); /* ATTENTION: const cast */
1003 static Jim_HashTableType JimStringCopyHashTableType
= {
1004 JimStringCopyHTHashFunction
, /* hash function */
1005 JimStringCopyHTKeyDup
, /* key dup */
1007 JimStringCopyHTKeyCompare
, /* key compare */
1008 JimStringCopyHTKeyDestructor
, /* key destructor */
1009 NULL
/* val destructor */
1012 /* This is like StringCopy but does not auto-duplicate the key.
1013 * It's used for intepreter's shared strings. */
1014 static Jim_HashTableType JimSharedStringsHashTableType
= {
1015 JimStringCopyHTHashFunction
, /* hash function */
1018 JimStringCopyHTKeyCompare
, /* key compare */
1019 JimStringCopyHTKeyDestructor
, /* key destructor */
1020 NULL
/* val destructor */
1023 /* This is like StringCopy but also automatically handle dynamic
1024 * allocated C strings as values. */
1025 static Jim_HashTableType JimStringKeyValCopyHashTableType
= {
1026 JimStringCopyHTHashFunction
, /* hash function */
1027 JimStringCopyHTKeyDup
, /* key dup */
1028 JimStringKeyValCopyHTValDup
, /* val dup */
1029 JimStringCopyHTKeyCompare
, /* key compare */
1030 JimStringCopyHTKeyDestructor
, /* key destructor */
1031 JimStringKeyValCopyHTValDestructor
, /* val destructor */
1034 typedef struct AssocDataValue
{
1035 Jim_InterpDeleteProc
*delProc
;
1039 static void JimAssocDataHashTableValueDestructor(void *privdata
, void *data
)
1041 AssocDataValue
*assocPtr
= (AssocDataValue
*)data
;
1042 if (assocPtr
->delProc
!= NULL
)
1043 assocPtr
->delProc((Jim_Interp
*)privdata
, assocPtr
->data
);
1047 static Jim_HashTableType JimAssocDataHashTableType
= {
1048 JimStringCopyHTHashFunction
, /* hash function */
1049 JimStringCopyHTKeyDup
, /* key dup */
1051 JimStringCopyHTKeyCompare
, /* key compare */
1052 JimStringCopyHTKeyDestructor
, /* key destructor */
1053 JimAssocDataHashTableValueDestructor
/* val destructor */
1056 /* -----------------------------------------------------------------------------
1057 * Stack - This is a simple generic stack implementation. It is used for
1058 * example in the 'expr' expression compiler.
1059 * ---------------------------------------------------------------------------*/
1060 void Jim_InitStack(Jim_Stack
*stack
)
1064 stack
->vector
= NULL
;
1067 void Jim_FreeStack(Jim_Stack
*stack
)
1069 Jim_Free(stack
->vector
);
1072 int Jim_StackLen(Jim_Stack
*stack
)
1077 void Jim_StackPush(Jim_Stack
*stack
, void *element
) {
1078 int neededLen
= stack
->len
+1;
1079 if (neededLen
> stack
->maxlen
) {
1080 stack
->maxlen
= neededLen
*2;
1081 stack
->vector
= Jim_Realloc(stack
->vector
, sizeof(void*)*stack
->maxlen
);
1083 stack
->vector
[stack
->len
] = element
;
1087 void *Jim_StackPop(Jim_Stack
*stack
)
1089 if (stack
->len
== 0) return NULL
;
1091 return stack
->vector
[stack
->len
];
1094 void *Jim_StackPeek(Jim_Stack
*stack
)
1096 if (stack
->len
== 0) return NULL
;
1097 return stack
->vector
[stack
->len
-1];
1100 void Jim_FreeStackElements(Jim_Stack
*stack
, void (*freeFunc
)(void *ptr
))
1104 for (i
= 0; i
< stack
->len
; i
++)
1105 freeFunc(stack
->vector
[i
]);
1108 /* -----------------------------------------------------------------------------
1110 * ---------------------------------------------------------------------------*/
1113 #define JIM_TT_NONE -1 /* No token returned */
1114 #define JIM_TT_STR 0 /* simple string */
1115 #define JIM_TT_ESC 1 /* string that needs escape chars conversion */
1116 #define JIM_TT_VAR 2 /* var substitution */
1117 #define JIM_TT_DICTSUGAR 3 /* Syntax sugar for [dict get], $foo(bar) */
1118 #define JIM_TT_CMD 4 /* command substitution */
1119 #define JIM_TT_SEP 5 /* word separator */
1120 #define JIM_TT_EOL 6 /* line separator */
1122 /* Additional token types needed for expressions */
1123 #define JIM_TT_SUBEXPR_START 7
1124 #define JIM_TT_SUBEXPR_END 8
1125 #define JIM_TT_EXPR_NUMBER 9
1126 #define JIM_TT_EXPR_OPERATOR 10
1129 #define JIM_PS_DEF 0 /* Default state */
1130 #define JIM_PS_QUOTE 1 /* Inside "" */
1132 /* Parser context structure. The same context is used both to parse
1133 * Tcl scripts and lists. */
1134 struct JimParserCtx
{
1135 const char *prg
; /* Program text */
1136 const char *p
; /* Pointer to the point of the program we are parsing */
1137 int len
; /* Left length of 'prg' */
1138 int linenr
; /* Current line number */
1140 const char *tend
; /* Returned token is at tstart-tend in 'prg'. */
1141 int tline
; /* Line number of the returned token */
1142 int tt
; /* Token type */
1143 int eof
; /* Non zero if EOF condition is true. */
1144 int state
; /* Parser state */
1145 int comment
; /* Non zero if the next chars may be a comment. */
1148 #define JimParserEof(c) ((c)->eof)
1149 #define JimParserTstart(c) ((c)->tstart)
1150 #define JimParserTend(c) ((c)->tend)
1151 #define JimParserTtype(c) ((c)->tt)
1152 #define JimParserTline(c) ((c)->tline)
1154 static int JimParseScript(struct JimParserCtx
*pc
);
1155 static int JimParseSep(struct JimParserCtx
*pc
);
1156 static int JimParseEol(struct JimParserCtx
*pc
);
1157 static int JimParseCmd(struct JimParserCtx
*pc
);
1158 static int JimParseVar(struct JimParserCtx
*pc
);
1159 static int JimParseBrace(struct JimParserCtx
*pc
);
1160 static int JimParseStr(struct JimParserCtx
*pc
);
1161 static int JimParseComment(struct JimParserCtx
*pc
);
1162 static char *JimParserGetToken(struct JimParserCtx
*pc
,
1163 int *lenPtr
, int *typePtr
, int *linePtr
);
1165 /* Initialize a parser context.
1166 * 'prg' is a pointer to the program text, linenr is the line
1167 * number of the first line contained in the program. */
1168 void JimParserInit(struct JimParserCtx
*pc
, const char *prg
,
1169 int len
, int linenr
)
1177 pc
->tt
= JIM_TT_NONE
;
1179 pc
->state
= JIM_PS_DEF
;
1180 pc
->linenr
= linenr
;
1184 int JimParseScript(struct JimParserCtx
*pc
)
1186 while(1) { /* the while is used to reiterate with continue if needed */
1190 pc
->tline
= pc
->linenr
;
1191 pc
->tt
= JIM_TT_EOL
;
1197 if (*(pc
->p
+1) == '\n')
1198 return JimParseSep(pc
);
1201 return JimParseStr(pc
);
1207 if (pc
->state
== JIM_PS_DEF
)
1208 return JimParseSep(pc
);
1211 return JimParseStr(pc
);
1217 if (pc
->state
== JIM_PS_DEF
)
1218 return JimParseEol(pc
);
1220 return JimParseStr(pc
);
1224 return JimParseCmd(pc
);
1228 if (JimParseVar(pc
) == JIM_ERR
) {
1229 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
1230 pc
->tline
= pc
->linenr
;
1231 pc
->tt
= JIM_TT_STR
;
1238 JimParseComment(pc
);
1241 return JimParseStr(pc
);
1245 return JimParseStr(pc
);
1252 int JimParseSep(struct JimParserCtx
*pc
)
1255 pc
->tline
= pc
->linenr
;
1256 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' ||
1257 (*pc
->p
== '\\' && *(pc
->p
+1) == '\n')) {
1258 if (*pc
->p
== '\\') {
1265 pc
->tt
= JIM_TT_SEP
;
1269 int JimParseEol(struct JimParserCtx
*pc
)
1272 pc
->tline
= pc
->linenr
;
1273 while (*pc
->p
== ' ' || *pc
->p
== '\n' ||
1274 *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== ';') {
1280 pc
->tt
= JIM_TT_EOL
;
1284 /* Todo. Don't stop if ']' appears inside {} or quoted.
1285 * Also should handle the case of puts [string length "]"] */
1286 int JimParseCmd(struct JimParserCtx
*pc
)
1291 pc
->tstart
= ++pc
->p
; pc
->len
--;
1292 pc
->tline
= pc
->linenr
;
1296 } else if (*pc
->p
== '[' && blevel
== 0) {
1298 } else if (*pc
->p
== ']' && blevel
== 0) {
1301 } else if (*pc
->p
== '\\') {
1303 } else if (*pc
->p
== '{') {
1305 } else if (*pc
->p
== '}') {
1308 } else if (*pc
->p
== '\n')
1313 pc
->tt
= JIM_TT_CMD
;
1314 if (*pc
->p
== ']') {
1320 int JimParseVar(struct JimParserCtx
*pc
)
1322 int brace
= 0, stop
= 0, ttype
= JIM_TT_VAR
;
1324 pc
->tstart
= ++pc
->p
; pc
->len
--; /* skip the $ */
1325 pc
->tline
= pc
->linenr
;
1326 if (*pc
->p
== '{') {
1327 pc
->tstart
= ++pc
->p
; pc
->len
--;
1332 if (*pc
->p
== '}' || pc
->len
== 0) {
1338 else if (*pc
->p
== '\n')
1343 /* Include leading colons */
1344 while (*pc
->p
== ':') {
1349 if (!((*pc
->p
>= 'a' && *pc
->p
<= 'z') ||
1350 (*pc
->p
>= 'A' && *pc
->p
<= 'Z') ||
1351 (*pc
->p
>= '0' && *pc
->p
<= '9') || *pc
->p
== '_'))
1357 /* Parse [dict get] syntax sugar. */
1358 if (*pc
->p
== '(') {
1359 while (*pc
->p
!= ')' && pc
->len
) {
1361 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1362 pc
->p
+= 2; pc
->len
-= 2;
1365 if (*pc
->p
!= '\0') {
1368 ttype
= JIM_TT_DICTSUGAR
;
1372 /* Check if we parsed just the '$' character.
1373 * That's not a variable so an error is returned
1374 * to tell the state machine to consider this '$' just
1376 if (pc
->tstart
== pc
->p
) {
1384 int JimParseBrace(struct JimParserCtx
*pc
)
1388 pc
->tstart
= ++pc
->p
; pc
->len
--;
1389 pc
->tline
= pc
->linenr
;
1391 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1395 } else if (*pc
->p
== '{') {
1397 } else if (pc
->len
== 0 || *pc
->p
== '}') {
1399 if (pc
->len
== 0 || level
== 0) {
1404 pc
->tt
= JIM_TT_STR
;
1407 } else if (*pc
->p
== '\n') {
1412 return JIM_OK
; /* unreached */
1415 int JimParseStr(struct JimParserCtx
*pc
)
1417 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1418 pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_STR
);
1419 if (newword
&& *pc
->p
== '{') {
1420 return JimParseBrace(pc
);
1421 } else if (newword
&& *pc
->p
== '"') {
1422 pc
->state
= JIM_PS_QUOTE
;
1426 pc
->tline
= pc
->linenr
;
1430 pc
->tt
= JIM_TT_ESC
;
1435 if (pc
->state
== JIM_PS_DEF
&&
1436 *(pc
->p
+1) == '\n') {
1438 pc
->tt
= JIM_TT_ESC
;
1448 pc
->tt
= JIM_TT_ESC
;
1455 if (pc
->state
== JIM_PS_DEF
) {
1457 pc
->tt
= JIM_TT_ESC
;
1459 } else if (*pc
->p
== '\n') {
1464 if (pc
->state
== JIM_PS_QUOTE
) {
1466 pc
->tt
= JIM_TT_ESC
;
1468 pc
->state
= JIM_PS_DEF
;
1475 return JIM_OK
; /* unreached */
1478 int JimParseComment(struct JimParserCtx
*pc
)
1481 if (*pc
->p
== '\n') {
1483 if (*(pc
->p
-1) != '\\') {
1493 /* xdigitval and odigitval are helper functions for JimParserGetToken() */
1494 static int xdigitval(int c
)
1496 if (c
>= '0' && c
<= '9') return c
-'0';
1497 if (c
>= 'a' && c
<= 'f') return c
-'a'+10;
1498 if (c
>= 'A' && c
<= 'F') return c
-'A'+10;
1502 static int odigitval(int c
)
1504 if (c
>= '0' && c
<= '7') return c
-'0';
1508 /* Perform Tcl escape substitution of 's', storing the result
1509 * string into 'dest'. The escaped string is guaranteed to
1510 * be the same length or shorted than the source string.
1511 * Slen is the length of the string at 's', if it's -1 the string
1512 * length will be calculated by the function.
1514 * The function returns the length of the resulting string. */
1515 static int JimEscape(char *dest
, const char *s
, int slen
)
1523 for (i
= 0; i
< slen
; i
++) {
1527 case 'a': *p
++ = 0x7; i
++; break;
1528 case 'b': *p
++ = 0x8; i
++; break;
1529 case 'f': *p
++ = 0xc; i
++; break;
1530 case 'n': *p
++ = 0xa; i
++; break;
1531 case 'r': *p
++ = 0xd; i
++; break;
1532 case 't': *p
++ = 0x9; i
++; break;
1533 case 'v': *p
++ = 0xb; i
++; break;
1534 case '\0': *p
++ = '\\'; i
++; break;
1535 case '\n': *p
++ = ' '; i
++; break;
1537 if (s
[i
+1] == 'x') {
1539 int c
= xdigitval(s
[i
+2]);
1546 c
= xdigitval(s
[i
+3]);
1556 } else if (s
[i
+1] >= '0' && s
[i
+1] <= '7')
1559 int c
= odigitval(s
[i
+1]);
1561 c
= odigitval(s
[i
+2]);
1568 c
= odigitval(s
[i
+3]);
1594 /* Returns a dynamically allocated copy of the current token in the
1595 * parser context. The function perform conversion of escapes if
1596 * the token is of type JIM_TT_ESC.
1598 * Note that after the conversion, tokens that are grouped with
1599 * braces in the source code, are always recognizable from the
1600 * identical string obtained in a different way from the type.
1602 * For exmple the string:
1606 * will return as first token "expand", of type JIM_TT_STR
1612 * will return as first token "expand", of type JIM_TT_ESC
1614 char *JimParserGetToken(struct JimParserCtx
*pc
,
1615 int *lenPtr
, int *typePtr
, int *linePtr
)
1617 const char *start
, *end
;
1621 start
= JimParserTstart(pc
);
1622 end
= JimParserTend(pc
);
1624 if (lenPtr
) *lenPtr
= 0;
1625 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1626 if (linePtr
) *linePtr
= JimParserTline(pc
);
1627 token
= Jim_Alloc(1);
1631 len
= (end
-start
)+1;
1632 token
= Jim_Alloc(len
+1);
1633 if (JimParserTtype(pc
) != JIM_TT_ESC
) {
1634 /* No escape conversion needed? Just copy it. */
1635 memcpy(token
, start
, len
);
1638 /* Else convert the escape chars. */
1639 len
= JimEscape(token
, start
, len
);
1641 if (lenPtr
) *lenPtr
= len
;
1642 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1643 if (linePtr
) *linePtr
= JimParserTline(pc
);
1647 /* The following functin is not really part of the parsing engine of Jim,
1648 * but it somewhat related. Given an string and its length, it tries
1649 * to guess if the script is complete or there are instead " " or { }
1650 * open and not completed. This is useful for interactive shells
1651 * implementation and for [info complete].
1653 * If 'stateCharPtr' != NULL, the function stores ' ' on complete script,
1654 * '{' on scripts incomplete missing one or more '}' to be balanced.
1655 * '"' on scripts incomplete missing a '"' char.
1657 * If the script is complete, 1 is returned, otherwise 0. */
1658 int Jim_ScriptIsComplete(const char *s
, int len
, char *stateCharPtr
)
1672 } else if (state
== '"') {
1679 } else if (state
== ' ') {
1696 *stateCharPtr
= state
;
1697 return state
== ' ';
1700 /* -----------------------------------------------------------------------------
1702 * ---------------------------------------------------------------------------*/
1703 static int JimParseListSep(struct JimParserCtx
*pc
);
1704 static int JimParseListStr(struct JimParserCtx
*pc
);
1706 int JimParseList(struct JimParserCtx
*pc
)
1709 pc
->tstart
= pc
->tend
= pc
->p
;
1710 pc
->tline
= pc
->linenr
;
1711 pc
->tt
= JIM_TT_EOL
;
1720 if (pc
->state
== JIM_PS_DEF
)
1721 return JimParseListSep(pc
);
1723 return JimParseListStr(pc
);
1726 return JimParseListStr(pc
);
1732 int JimParseListSep(struct JimParserCtx
*pc
)
1735 pc
->tline
= pc
->linenr
;
1736 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== '\n')
1741 pc
->tt
= JIM_TT_SEP
;
1745 int JimParseListStr(struct JimParserCtx
*pc
)
1747 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1748 pc
->tt
== JIM_TT_NONE
);
1749 if (newword
&& *pc
->p
== '{') {
1750 return JimParseBrace(pc
);
1751 } else if (newword
&& *pc
->p
== '"') {
1752 pc
->state
= JIM_PS_QUOTE
;
1756 pc
->tline
= pc
->linenr
;
1760 pc
->tt
= JIM_TT_ESC
;
1771 if (pc
->state
== JIM_PS_DEF
) {
1773 pc
->tt
= JIM_TT_ESC
;
1775 } else if (*pc
->p
== '\n') {
1780 if (pc
->state
== JIM_PS_QUOTE
) {
1782 pc
->tt
= JIM_TT_ESC
;
1784 pc
->state
= JIM_PS_DEF
;
1791 return JIM_OK
; /* unreached */
1794 /* -----------------------------------------------------------------------------
1795 * Jim_Obj related functions
1796 * ---------------------------------------------------------------------------*/
1798 /* Return a new initialized object. */
1799 Jim_Obj
*Jim_NewObj(Jim_Interp
*interp
)
1803 /* -- Check if there are objects in the free list -- */
1804 if (interp
->freeList
!= NULL
) {
1805 /* -- Unlink the object from the free list -- */
1806 objPtr
= interp
->freeList
;
1807 interp
->freeList
= objPtr
->nextObjPtr
;
1809 /* -- No ready to use objects: allocate a new one -- */
1810 objPtr
= Jim_Alloc(sizeof(*objPtr
));
1813 /* Object is returned with refCount of 0. Every
1814 * kind of GC implemented should take care to don't try
1815 * to scan objects with refCount == 0. */
1816 objPtr
->refCount
= 0;
1817 /* All the other fields are left not initialized to save time.
1818 * The caller will probably want set they to the right
1821 /* -- Put the object into the live list -- */
1822 objPtr
->prevObjPtr
= NULL
;
1823 objPtr
->nextObjPtr
= interp
->liveList
;
1824 if (interp
->liveList
)
1825 interp
->liveList
->prevObjPtr
= objPtr
;
1826 interp
->liveList
= objPtr
;
1831 /* Free an object. Actually objects are never freed, but
1832 * just moved to the free objects list, where they will be
1833 * reused by Jim_NewObj(). */
1834 void Jim_FreeObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1836 /* Check if the object was already freed, panic. */
1837 if (objPtr
->refCount
!= 0) {
1838 Jim_Panic(interp
,"!!!Object %p freed with bad refcount %d", objPtr
,
1841 /* Free the internal representation */
1842 Jim_FreeIntRep(interp
, objPtr
);
1843 /* Free the string representation */
1844 if (objPtr
->bytes
!= NULL
) {
1845 if (objPtr
->bytes
!= JimEmptyStringRep
)
1846 Jim_Free(objPtr
->bytes
);
1848 /* Unlink the object from the live objects list */
1849 if (objPtr
->prevObjPtr
)
1850 objPtr
->prevObjPtr
->nextObjPtr
= objPtr
->nextObjPtr
;
1851 if (objPtr
->nextObjPtr
)
1852 objPtr
->nextObjPtr
->prevObjPtr
= objPtr
->prevObjPtr
;
1853 if (interp
->liveList
== objPtr
)
1854 interp
->liveList
= objPtr
->nextObjPtr
;
1855 /* Link the object into the free objects list */
1856 objPtr
->prevObjPtr
= NULL
;
1857 objPtr
->nextObjPtr
= interp
->freeList
;
1858 if (interp
->freeList
)
1859 interp
->freeList
->prevObjPtr
= objPtr
;
1860 interp
->freeList
= objPtr
;
1861 objPtr
->refCount
= -1;
1864 /* Invalidate the string representation of an object. */
1865 void Jim_InvalidateStringRep(Jim_Obj
*objPtr
)
1867 if (objPtr
->bytes
!= NULL
) {
1868 if (objPtr
->bytes
!= JimEmptyStringRep
)
1869 Jim_Free(objPtr
->bytes
);
1871 objPtr
->bytes
= NULL
;
1874 #define Jim_SetStringRep(o, b, l) \
1875 do { (o)->bytes = b; (o)->length = l; } while (0)
1877 /* Set the initial string representation for an object.
1878 * Does not try to free an old one. */
1879 void Jim_InitStringRep(Jim_Obj
*objPtr
, const char *bytes
, int length
)
1882 objPtr
->bytes
= JimEmptyStringRep
;
1885 objPtr
->bytes
= Jim_Alloc(length
+1);
1886 objPtr
->length
= length
;
1887 memcpy(objPtr
->bytes
, bytes
, length
);
1888 objPtr
->bytes
[length
] = '\0';
1892 /* Duplicate an object. The returned object has refcount = 0. */
1893 Jim_Obj
*Jim_DuplicateObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1897 dupPtr
= Jim_NewObj(interp
);
1898 if (objPtr
->bytes
== NULL
) {
1899 /* Object does not have a valid string representation. */
1900 dupPtr
->bytes
= NULL
;
1902 Jim_InitStringRep(dupPtr
, objPtr
->bytes
, objPtr
->length
);
1904 if (objPtr
->typePtr
!= NULL
) {
1905 if (objPtr
->typePtr
->dupIntRepProc
== NULL
) {
1906 dupPtr
->internalRep
= objPtr
->internalRep
;
1908 objPtr
->typePtr
->dupIntRepProc(interp
, objPtr
, dupPtr
);
1910 dupPtr
->typePtr
= objPtr
->typePtr
;
1912 dupPtr
->typePtr
= NULL
;
1917 /* Return the string representation for objPtr. If the object
1918 * string representation is invalid, calls the method to create
1919 * a new one starting from the internal representation of the object. */
1920 const char *Jim_GetString(Jim_Obj
*objPtr
, int *lenPtr
)
1922 if (objPtr
->bytes
== NULL
) {
1923 /* Invalid string repr. Generate it. */
1924 if (objPtr
->typePtr
->updateStringProc
== NULL
) {
1925 Jim_Panic(NULL
,"UpdataStringProc called against '%s' type.",
1926 objPtr
->typePtr
->name
);
1928 objPtr
->typePtr
->updateStringProc(objPtr
);
1931 *lenPtr
= objPtr
->length
;
1932 return objPtr
->bytes
;
1935 /* Just returns the length of the object's string rep */
1936 int Jim_Length(Jim_Obj
*objPtr
)
1940 Jim_GetString(objPtr
, &len
);
1944 /* -----------------------------------------------------------------------------
1946 * ---------------------------------------------------------------------------*/
1947 static void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
1948 static int SetStringFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
1950 static Jim_ObjType stringObjType
= {
1953 DupStringInternalRep
,
1955 JIM_TYPE_REFERENCES
,
1958 void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
1960 JIM_NOTUSED(interp
);
1962 /* This is a bit subtle: the only caller of this function
1963 * should be Jim_DuplicateObj(), that will copy the
1964 * string representaion. After the copy, the duplicated
1965 * object will not have more room in teh buffer than
1966 * srcPtr->length bytes. So we just set it to length. */
1967 dupPtr
->internalRep
.strValue
.maxLength
= srcPtr
->length
;
1970 int SetStringFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1972 /* Get a fresh string representation. */
1973 (void) Jim_GetString(objPtr
, NULL
);
1974 /* Free any other internal representation. */
1975 Jim_FreeIntRep(interp
, objPtr
);
1976 /* Set it as string, i.e. just set the maxLength field. */
1977 objPtr
->typePtr
= &stringObjType
;
1978 objPtr
->internalRep
.strValue
.maxLength
= objPtr
->length
;
1982 Jim_Obj
*Jim_NewStringObj(Jim_Interp
*interp
, const char *s
, int len
)
1984 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
1988 /* Alloc/Set the string rep. */
1990 objPtr
->bytes
= JimEmptyStringRep
;
1993 objPtr
->bytes
= Jim_Alloc(len
+1);
1994 objPtr
->length
= len
;
1995 memcpy(objPtr
->bytes
, s
, len
);
1996 objPtr
->bytes
[len
] = '\0';
1999 /* No typePtr field for the vanilla string object. */
2000 objPtr
->typePtr
= NULL
;
2004 /* This version does not try to duplicate the 's' pointer, but
2005 * use it directly. */
2006 Jim_Obj
*Jim_NewStringObjNoAlloc(Jim_Interp
*interp
, char *s
, int len
)
2008 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
2012 Jim_SetStringRep(objPtr
, s
, len
);
2013 objPtr
->typePtr
= NULL
;
2017 /* Low-level string append. Use it only against objects
2018 * of type "string". */
2019 void StringAppendString(Jim_Obj
*objPtr
, const char *str
, int len
)
2025 needlen
= objPtr
->length
+ len
;
2026 if (objPtr
->internalRep
.strValue
.maxLength
< needlen
||
2027 objPtr
->internalRep
.strValue
.maxLength
== 0) {
2028 if (objPtr
->bytes
== JimEmptyStringRep
) {
2029 objPtr
->bytes
= Jim_Alloc((needlen
*2)+1);
2031 objPtr
->bytes
= Jim_Realloc(objPtr
->bytes
, (needlen
*2)+1);
2033 objPtr
->internalRep
.strValue
.maxLength
= needlen
*2;
2035 memcpy(objPtr
->bytes
+ objPtr
->length
, str
, len
);
2036 objPtr
->bytes
[objPtr
->length
+len
] = '\0';
2037 objPtr
->length
+= len
;
2040 /* Low-level wrapper to append an object. */
2041 void StringAppendObj(Jim_Obj
*objPtr
, Jim_Obj
*appendObjPtr
)
2046 str
= Jim_GetString(appendObjPtr
, &len
);
2047 StringAppendString(objPtr
, str
, len
);
2050 /* Higher level API to append strings to objects. */
2051 void Jim_AppendString(Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *str
,
2054 if (Jim_IsShared(objPtr
))
2055 Jim_Panic(interp
,"Jim_AppendString called with shared object");
2056 if (objPtr
->typePtr
!= &stringObjType
)
2057 SetStringFromAny(interp
, objPtr
);
2058 StringAppendString(objPtr
, str
, len
);
2061 void Jim_AppendString_sprintf( Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *fmt
, ... )
2066 va_start( ap
, fmt
);
2067 buf
= jim_vasprintf( fmt
, ap
);
2071 Jim_AppendString( interp
, objPtr
, buf
, -1 );
2072 jim_vasprintf_done(buf
);
2077 void Jim_AppendObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2078 Jim_Obj
*appendObjPtr
)
2083 str
= Jim_GetString(appendObjPtr
, &len
);
2084 Jim_AppendString(interp
, objPtr
, str
, len
);
2087 void Jim_AppendStrings(Jim_Interp
*interp
, Jim_Obj
*objPtr
, ...)
2091 if (objPtr
->typePtr
!= &stringObjType
)
2092 SetStringFromAny(interp
, objPtr
);
2093 va_start(ap
, objPtr
);
2095 char *s
= va_arg(ap
, char*);
2097 if (s
== NULL
) break;
2098 Jim_AppendString(interp
, objPtr
, s
, -1);
2103 int Jim_StringEqObj(Jim_Obj
*aObjPtr
, Jim_Obj
*bObjPtr
, int nocase
)
2105 const char *aStr
, *bStr
;
2108 if (aObjPtr
== bObjPtr
) return 1;
2109 aStr
= Jim_GetString(aObjPtr
, &aLen
);
2110 bStr
= Jim_GetString(bObjPtr
, &bLen
);
2111 if (aLen
!= bLen
) return 0;
2113 return memcmp(aStr
, bStr
, aLen
) == 0;
2114 for (i
= 0; i
< aLen
; i
++) {
2115 if (tolower((int)aStr
[i
]) != tolower((int)bStr
[i
]))
2121 int Jim_StringMatchObj(Jim_Obj
*patternObjPtr
, Jim_Obj
*objPtr
,
2124 const char *pattern
, *string
;
2125 int patternLen
, stringLen
;
2127 pattern
= Jim_GetString(patternObjPtr
, &patternLen
);
2128 string
= Jim_GetString(objPtr
, &stringLen
);
2129 return JimStringMatch(pattern
, patternLen
, string
, stringLen
, nocase
);
2132 int Jim_StringCompareObj(Jim_Obj
*firstObjPtr
,
2133 Jim_Obj
*secondObjPtr
, int nocase
)
2135 const char *s1
, *s2
;
2138 s1
= Jim_GetString(firstObjPtr
, &l1
);
2139 s2
= Jim_GetString(secondObjPtr
, &l2
);
2140 return JimStringCompare(s1
, l1
, s2
, l2
, nocase
);
2143 /* Convert a range, as returned by Jim_GetRange(), into
2144 * an absolute index into an object of the specified length.
2145 * This function may return negative values, or values
2146 * bigger or equal to the length of the list if the index
2147 * is out of range. */
2148 static int JimRelToAbsIndex(int len
, int index
)
2155 /* Convert a pair of index as normalize by JimRelToAbsIndex(),
2156 * into a range stored in *firstPtr, *lastPtr, *rangeLenPtr, suitable
2157 * for implementation of commands like [string range] and [lrange].
2159 * The resulting range is guaranteed to address valid elements of
2161 static void JimRelToAbsRange(int len
, int first
, int last
,
2162 int *firstPtr
, int *lastPtr
, int *rangeLenPtr
)
2169 rangeLen
= last
-first
+1;
2176 rangeLen
-= (last
-(len
-1));
2181 if (rangeLen
< 0) rangeLen
= 0;
2185 *rangeLenPtr
= rangeLen
;
2188 Jim_Obj
*Jim_StringRangeObj(Jim_Interp
*interp
,
2189 Jim_Obj
*strObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
2195 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
2196 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
2198 str
= Jim_GetString(strObjPtr
, &len
);
2199 first
= JimRelToAbsIndex(len
, first
);
2200 last
= JimRelToAbsIndex(len
, last
);
2201 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
2202 return Jim_NewStringObj(interp
, str
+first
, rangeLen
);
2205 static Jim_Obj
*JimStringToLower(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2209 if (strObjPtr
->typePtr
!= &stringObjType
) {
2210 SetStringFromAny(interp
, strObjPtr
);
2213 buf
= Jim_Alloc(strObjPtr
->length
+1);
2215 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2216 for (i
= 0; i
< strObjPtr
->length
; i
++)
2217 buf
[i
] = tolower(buf
[i
]);
2218 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2221 static Jim_Obj
*JimStringToUpper(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2225 if (strObjPtr
->typePtr
!= &stringObjType
) {
2226 SetStringFromAny(interp
, strObjPtr
);
2229 buf
= Jim_Alloc(strObjPtr
->length
+1);
2231 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2232 for (i
= 0; i
< strObjPtr
->length
; i
++)
2233 buf
[i
] = toupper(buf
[i
]);
2234 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2237 /* This is the core of the [format] command.
2238 * TODO: Lots of things work - via a hack
2239 * However, no format item can be >= JIM_MAX_FMT
2241 #define JIM_MAX_FMT 2048
2242 static Jim_Obj
*Jim_FormatString_Inner(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2243 int objc
, Jim_Obj
*const *objv
, char *sprintf_buf
)
2245 const char *fmt
, *_fmt
;
2250 fmt
= Jim_GetString(fmtObjPtr
, &fmtLen
);
2252 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
2254 const char *p
= fmt
;
2258 /* we cheat and use Sprintf()! */
2272 while (*fmt
!= '%' && fmtLen
) {
2275 Jim_AppendString(interp
, resObjPtr
, p
, fmt
-p
);
2278 fmt
++; fmtLen
--; /* skip '%' */
2287 prec
= -1; /* not found yet */
2294 case 'b': /* binary - not all printfs() do this */
2295 case 's': /* string */
2296 case 'i': /* integer */
2297 case 'd': /* decimal */
2299 case 'X': /* CAP hex */
2300 case 'c': /* char */
2301 case 'o': /* octal */
2302 case 'u': /* unsigned */
2303 case 'f': /* float */
2307 case '0': /* zero pad */
2317 case ' ': /* sign space */
2347 while( isdigit(*fmt
) && (fmtLen
> 0) ){
2348 accum
= (accum
* 10) + (*fmt
- '0');
2359 /* suck up the next item as an integer */
2363 goto not_enough_args
;
2365 if( Jim_GetWide(interp
,objv
[0],&wideValue
)== JIM_ERR
){
2366 Jim_FreeNewObj(interp
, resObjPtr
);
2373 /* man 3 printf says */
2374 /* if prec is negative, it is zero */
2393 Jim_FreeNewObj(interp
, resObjPtr
);
2394 Jim_SetResultString(interp
,
2395 "not enough arguments for all format specifiers", -1);
2403 * Create the formatter
2404 * cause we cheat and use sprintf()
2414 /* PLUS overrides */
2424 sprintf( cp
, "%d", width
);
2428 /* did we find a period? */
2432 /* did something occur after the period? */
2434 sprintf( cp
, "%d", prec
);
2440 /* here we do the work */
2441 /* actually - we make sprintf() do it for us */
2446 /* BUG: we do not handled embeded NULLs */
2447 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, Jim_GetString( objv
[0], NULL
));
2452 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2453 Jim_FreeNewObj(interp
, resObjPtr
);
2456 c
= (char) wideValue
;
2457 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, c
);
2467 if( Jim_GetDouble( interp
, objv
[0], &doubleValue
) == JIM_ERR
){
2468 Jim_FreeNewObj( interp
, resObjPtr
);
2471 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, doubleValue
);
2480 /* jim widevaluse are 64bit */
2481 if( sizeof(jim_wide
) == sizeof(long long) ){
2489 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2490 Jim_FreeNewObj(interp
, resObjPtr
);
2493 snprintf(sprintf_buf
, JIM_MAX_FMT
, fmt_str
, wideValue
);
2496 sprintf_buf
[0] = '%';
2498 objv
--; /* undo the objv++ below */
2501 spec
[0] = *fmt
; spec
[1] = '\0';
2502 Jim_FreeNewObj(interp
, resObjPtr
);
2503 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2504 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2505 "bad field specifier \"", spec
, "\"", NULL
);
2508 /* force terminate */
2510 printf("FMT was: %s\n", fmt_str
);
2511 printf("RES was: |%s|\n", sprintf_buf
);
2514 sprintf_buf
[ JIM_MAX_FMT
- 1] = 0;
2515 Jim_AppendString( interp
, resObjPtr
, sprintf_buf
, strlen(sprintf_buf
) );
2524 Jim_Obj
*Jim_FormatString(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2525 int objc
, Jim_Obj
*const *objv
)
2527 char *sprintf_buf
=malloc(JIM_MAX_FMT
);
2528 Jim_Obj
*t
=Jim_FormatString_Inner(interp
, fmtObjPtr
, objc
, objv
, sprintf_buf
);
2533 /* -----------------------------------------------------------------------------
2534 * Compared String Object
2535 * ---------------------------------------------------------------------------*/
2537 /* This is strange object that allows to compare a C literal string
2538 * with a Jim object in very short time if the same comparison is done
2539 * multiple times. For example every time the [if] command is executed,
2540 * Jim has to check if a given argument is "else". This comparions if
2541 * the code has no errors are true most of the times, so we can cache
2542 * inside the object the pointer of the string of the last matching
2543 * comparison. Because most C compilers perform literal sharing,
2544 * so that: char *x = "foo", char *y = "foo", will lead to x == y,
2545 * this works pretty well even if comparisons are at different places
2546 * inside the C code. */
2548 static Jim_ObjType comparedStringObjType
= {
2553 JIM_TYPE_REFERENCES
,
2556 /* The only way this object is exposed to the API is via the following
2557 * function. Returns true if the string and the object string repr.
2558 * are the same, otherwise zero is returned.
2560 * Note: this isn't binary safe, but it hardly needs to be.*/
2561 int Jim_CompareStringImmediate(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2564 if (objPtr
->typePtr
== &comparedStringObjType
&&
2565 objPtr
->internalRep
.ptr
== str
)
2568 const char *objStr
= Jim_GetString(objPtr
, NULL
);
2569 if (strcmp(str
, objStr
) != 0) return 0;
2570 if (objPtr
->typePtr
!= &comparedStringObjType
) {
2571 Jim_FreeIntRep(interp
, objPtr
);
2572 objPtr
->typePtr
= &comparedStringObjType
;
2574 objPtr
->internalRep
.ptr
= (char*)str
; /*ATTENTION: const cast */
2579 int qsortCompareStringPointers(const void *a
, const void *b
)
2581 char * const *sa
= (char * const *)a
;
2582 char * const *sb
= (char * const *)b
;
2583 return strcmp(*sa
, *sb
);
2586 int Jim_GetEnum(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2587 const char * const *tablePtr
, int *indexPtr
, const char *name
, int flags
)
2589 const char * const *entryPtr
= NULL
;
2590 char **tablePtrSorted
;
2594 for (entryPtr
= tablePtr
, i
= 0; *entryPtr
!= NULL
; entryPtr
++, i
++) {
2595 if (Jim_CompareStringImmediate(interp
, objPtr
, *entryPtr
)) {
2599 count
++; /* If nothing matches, this will reach the len of tablePtr */
2601 if (flags
& JIM_ERRMSG
) {
2604 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2605 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2606 "bad ", name
, " \"", Jim_GetString(objPtr
, NULL
), "\": must be one of ",
2608 tablePtrSorted
= Jim_Alloc(sizeof(char*)*count
);
2609 memcpy(tablePtrSorted
, tablePtr
, sizeof(char*)*count
);
2610 qsort(tablePtrSorted
, count
, sizeof(char*), qsortCompareStringPointers
);
2611 for (i
= 0; i
< count
; i
++) {
2612 if (i
+1 == count
&& count
> 1)
2613 Jim_AppendString(interp
, Jim_GetResult(interp
), "or ", -1);
2614 Jim_AppendString(interp
, Jim_GetResult(interp
),
2615 tablePtrSorted
[i
], -1);
2617 Jim_AppendString(interp
, Jim_GetResult(interp
), ", ", -1);
2619 Jim_Free(tablePtrSorted
);
2624 int Jim_GetNvp(Jim_Interp
*interp
,
2626 const Jim_Nvp
*nvp_table
,
2627 const Jim_Nvp
** result
)
2632 e
= Jim_Nvp_name2value_obj( interp
, nvp_table
, objPtr
, &n
);
2637 /* Success? found? */
2640 *result
= (Jim_Nvp
*)n
;
2647 /* -----------------------------------------------------------------------------
2650 * This object is just a string from the language point of view, but
2651 * in the internal representation it contains the filename and line number
2652 * where this given token was read. This information is used by
2653 * Jim_EvalObj() if the object passed happens to be of type "source".
2655 * This allows to propagate the information about line numbers and file
2656 * names and give error messages with absolute line numbers.
2658 * Note that this object uses shared strings for filenames, and the
2659 * pointer to the filename together with the line number is taken into
2660 * the space for the "inline" internal represenation of the Jim_Object,
2661 * so there is almost memory zero-overhead.
2663 * Also the object will be converted to something else if the given
2664 * token it represents in the source file is not something to be
2665 * evaluated (not a script), and will be specialized in some other way,
2666 * so the time overhead is alzo null.
2667 * ---------------------------------------------------------------------------*/
2669 static void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2670 static void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2672 static Jim_ObjType sourceObjType
= {
2674 FreeSourceInternalRep
,
2675 DupSourceInternalRep
,
2677 JIM_TYPE_REFERENCES
,
2680 void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2682 Jim_ReleaseSharedString(interp
,
2683 objPtr
->internalRep
.sourceValue
.fileName
);
2686 void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2688 dupPtr
->internalRep
.sourceValue
.fileName
=
2689 Jim_GetSharedString(interp
,
2690 srcPtr
->internalRep
.sourceValue
.fileName
);
2691 dupPtr
->internalRep
.sourceValue
.lineNumber
=
2692 dupPtr
->internalRep
.sourceValue
.lineNumber
;
2693 dupPtr
->typePtr
= &sourceObjType
;
2696 static void JimSetSourceInfo(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2697 const char *fileName
, int lineNumber
)
2699 if (Jim_IsShared(objPtr
))
2700 Jim_Panic(interp
,"JimSetSourceInfo called with shared object");
2701 if (objPtr
->typePtr
!= NULL
)
2702 Jim_Panic(interp
,"JimSetSourceInfo called with typePtr != NULL");
2703 objPtr
->internalRep
.sourceValue
.fileName
=
2704 Jim_GetSharedString(interp
, fileName
);
2705 objPtr
->internalRep
.sourceValue
.lineNumber
= lineNumber
;
2706 objPtr
->typePtr
= &sourceObjType
;
2709 /* -----------------------------------------------------------------------------
2711 * ---------------------------------------------------------------------------*/
2713 #define JIM_CMDSTRUCT_EXPAND -1
2715 static void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2716 static void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2717 static int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
2719 static Jim_ObjType scriptObjType
= {
2721 FreeScriptInternalRep
,
2722 DupScriptInternalRep
,
2724 JIM_TYPE_REFERENCES
,
2727 /* The ScriptToken structure represents every token into a scriptObj.
2728 * Every token contains an associated Jim_Obj that can be specialized
2729 * by commands operating on it. */
2730 typedef struct ScriptToken
{
2736 /* This is the script object internal representation. An array of
2737 * ScriptToken structures, with an associated command structure array.
2738 * The command structure is a pre-computed representation of the
2739 * command length and arguments structure as a simple liner array
2742 * For example the script:
2745 * set $i $x$y [foo]BAR
2747 * will produce a ScriptObj with the following Tokens:
2764 * This is a description of the tokens, separators, and of lines.
2765 * The command structure instead represents the number of arguments
2766 * of every command, followed by the tokens of which every argument
2767 * is composed. So for the example script, the cmdstruct array will
2772 * Because "puts hello" has two args (2), composed of single tokens (1 1)
2773 * While "set $i $x$y [foo]BAR" has four (4) args, the first two
2774 * composed of single tokens (1 1) and the last two of double tokens
2777 * The precomputation of the command structure makes Jim_Eval() faster,
2778 * and simpler because there aren't dynamic lengths / allocations.
2780 * -- {expand} handling --
2782 * Expand is handled in a special way. When a command
2783 * contains at least an argument with the {expand} prefix,
2784 * the command structure presents a -1 before the integer
2785 * describing the number of arguments. This is used in order
2786 * to send the command exection to a different path in case
2787 * of {expand} and guarantee a fast path for the more common
2788 * case. Also, the integers describing the number of tokens
2789 * are expressed with negative sign, to allow for fast check
2790 * of what's an {expand}-prefixed argument and what not.
2792 * For example the command:
2794 * list {expand}{1 2}
2796 * Will produce the following cmdstruct array:
2800 * -- the substFlags field of the structure --
2802 * The scriptObj structure is used to represent both "script" objects
2803 * and "subst" objects. In the second case, the cmdStruct related
2804 * fields are not used at all, but there is an additional field used
2805 * that is 'substFlags': this represents the flags used to turn
2806 * the string into the intenral representation used to perform the
2807 * substitution. If this flags are not what the application requires
2808 * the scriptObj is created again. For example the script:
2810 * subst -nocommands $string
2811 * subst -novariables $string
2813 * Will recreate the internal representation of the $string object
2816 typedef struct ScriptObj
{
2817 int len
; /* Length as number of tokens. */
2818 int commands
; /* number of top-level commands in script. */
2819 ScriptToken
*token
; /* Tokens array. */
2820 int *cmdStruct
; /* commands structure */
2821 int csLen
; /* length of the cmdStruct array. */
2822 int substFlags
; /* flags used for the compilation of "subst" objects */
2823 int inUse
; /* Used to share a ScriptObj. Currently
2824 only used by Jim_EvalObj() as protection against
2825 shimmering of the currently evaluated object. */
2829 void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2832 struct ScriptObj
*script
= (void*) objPtr
->internalRep
.ptr
;
2835 if (script
->inUse
!= 0) return;
2836 for (i
= 0; i
< script
->len
; i
++) {
2837 if (script
->token
[i
].objPtr
!= NULL
)
2838 Jim_DecrRefCount(interp
, script
->token
[i
].objPtr
);
2840 Jim_Free(script
->token
);
2841 Jim_Free(script
->cmdStruct
);
2842 Jim_Free(script
->fileName
);
2846 void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2848 JIM_NOTUSED(interp
);
2849 JIM_NOTUSED(srcPtr
);
2851 /* Just returns an simple string. */
2852 dupPtr
->typePtr
= NULL
;
2855 /* Add a new token to the internal repr of a script object */
2856 static void ScriptObjAddToken(Jim_Interp
*interp
, struct ScriptObj
*script
,
2857 char *strtoken
, int len
, int type
, char *filename
, int linenr
)
2860 struct ScriptToken
*token
;
2862 prevtype
= (script
->len
== 0) ? JIM_TT_EOL
: \
2863 script
->token
[script
->len
-1].type
;
2864 /* Skip tokens without meaning, like words separators
2865 * following a word separator or an end of command and
2867 if (prevtype
== JIM_TT_EOL
) {
2868 if (type
== JIM_TT_EOL
|| type
== JIM_TT_SEP
) {
2872 } else if (prevtype
== JIM_TT_SEP
) {
2873 if (type
== JIM_TT_SEP
) {
2876 } else if (type
== JIM_TT_EOL
) {
2877 /* If an EOL is following by a SEP, drop the previous
2880 Jim_DecrRefCount(interp
, script
->token
[script
->len
].objPtr
);
2882 } else if (prevtype
!= JIM_TT_EOL
&& prevtype
!= JIM_TT_SEP
&&
2883 type
== JIM_TT_ESC
&& len
== 0)
2885 /* Don't add empty tokens used in interpolation */
2889 /* Make space for a new istruction */
2891 script
->token
= Jim_Realloc(script
->token
,
2892 sizeof(ScriptToken
)*script
->len
);
2893 /* Initialize the new token */
2894 token
= script
->token
+(script
->len
-1);
2896 /* Every object is intially as a string, but the
2897 * internal type may be specialized during execution of the
2899 token
->objPtr
= Jim_NewStringObjNoAlloc(interp
, strtoken
, len
);
2900 /* To add source info to SEP and EOL tokens is useless because
2901 * they will never by called as arguments of Jim_EvalObj(). */
2902 if (filename
&& type
!= JIM_TT_SEP
&& type
!= JIM_TT_EOL
)
2903 JimSetSourceInfo(interp
, token
->objPtr
, filename
, linenr
);
2904 Jim_IncrRefCount(token
->objPtr
);
2905 token
->linenr
= linenr
;
2908 /* Add an integer into the command structure field of the script object. */
2909 static void ScriptObjAddInt(struct ScriptObj
*script
, int val
)
2912 script
->cmdStruct
= Jim_Realloc(script
->cmdStruct
,
2913 sizeof(int)*script
->csLen
);
2914 script
->cmdStruct
[script
->csLen
-1] = val
;
2917 /* Search a Jim_Obj contained in 'script' with the same stinrg repr.
2918 * of objPtr. Search nested script objects recursively. */
2919 static Jim_Obj
*ScriptSearchLiteral(Jim_Interp
*interp
, ScriptObj
*script
,
2920 ScriptObj
*scriptBarrier
, Jim_Obj
*objPtr
)
2924 for (i
= 0; i
< script
->len
; i
++) {
2925 if (script
->token
[i
].objPtr
!= objPtr
&&
2926 Jim_StringEqObj(script
->token
[i
].objPtr
, objPtr
, 0)) {
2927 return script
->token
[i
].objPtr
;
2929 /* Enter recursively on scripts only if the object
2930 * is not the same as the one we are searching for
2931 * shared occurrences. */
2932 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
&&
2933 script
->token
[i
].objPtr
!= objPtr
) {
2934 Jim_Obj
*foundObjPtr
;
2936 ScriptObj
*subScript
=
2937 script
->token
[i
].objPtr
->internalRep
.ptr
;
2938 /* Don't recursively enter the script we are trying
2939 * to make shared to avoid circular references. */
2940 if (subScript
== scriptBarrier
) continue;
2941 if (subScript
!= script
) {
2943 ScriptSearchLiteral(interp
, subScript
,
2944 scriptBarrier
, objPtr
);
2945 if (foundObjPtr
!= NULL
)
2953 /* Share literals of a script recursively sharing sub-scripts literals. */
2954 static void ScriptShareLiterals(Jim_Interp
*interp
, ScriptObj
*script
,
2955 ScriptObj
*topLevelScript
)
2960 /* Try to share with toplevel object. */
2961 if (topLevelScript
!= NULL
) {
2962 for (i
= 0; i
< script
->len
; i
++) {
2963 Jim_Obj
*foundObjPtr
;
2964 char *str
= script
->token
[i
].objPtr
->bytes
;
2966 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2967 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
) continue;
2968 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2969 foundObjPtr
= ScriptSearchLiteral(interp
,
2971 script
, /* barrier */
2972 script
->token
[i
].objPtr
);
2973 if (foundObjPtr
!= NULL
) {
2974 Jim_IncrRefCount(foundObjPtr
);
2975 Jim_DecrRefCount(interp
,
2976 script
->token
[i
].objPtr
);
2977 script
->token
[i
].objPtr
= foundObjPtr
;
2981 /* Try to share locally */
2982 for (i
= 0; i
< script
->len
; i
++) {
2983 char *str
= script
->token
[i
].objPtr
->bytes
;
2985 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2986 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2987 for (j
= 0; j
< script
->len
; j
++) {
2988 if (script
->token
[i
].objPtr
!=
2989 script
->token
[j
].objPtr
&&
2990 Jim_StringEqObj(script
->token
[i
].objPtr
,
2991 script
->token
[j
].objPtr
, 0))
2993 Jim_IncrRefCount(script
->token
[j
].objPtr
);
2994 Jim_DecrRefCount(interp
,
2995 script
->token
[i
].objPtr
);
2996 script
->token
[i
].objPtr
=
2997 script
->token
[j
].objPtr
;
3003 /* This method takes the string representation of an object
3004 * as a Tcl script, and generates the pre-parsed internal representation
3006 int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3009 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
3010 struct JimParserCtx parser
;
3011 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
3013 int args
, tokens
, start
, end
, i
;
3014 int initialLineNumber
;
3015 int propagateSourceInfo
= 0;
3019 script
->commands
= 0;
3020 script
->token
= NULL
;
3021 script
->cmdStruct
= NULL
;
3023 /* Try to get information about filename / line number */
3024 if (objPtr
->typePtr
== &sourceObjType
) {
3026 Jim_StrDup(objPtr
->internalRep
.sourceValue
.fileName
);
3027 initialLineNumber
= objPtr
->internalRep
.sourceValue
.lineNumber
;
3028 propagateSourceInfo
= 1;
3030 script
->fileName
= Jim_StrDup("");
3031 initialLineNumber
= 1;
3034 JimParserInit(&parser
, scriptText
, scriptTextLen
, initialLineNumber
);
3035 while(!JimParserEof(&parser
)) {
3037 int len
, type
, linenr
;
3039 JimParseScript(&parser
);
3040 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
3041 ScriptObjAddToken(interp
, script
, token
, len
, type
,
3042 propagateSourceInfo
? script
->fileName
: NULL
,
3045 token
= script
->token
;
3047 /* Compute the command structure array
3048 * (see the ScriptObj struct definition for more info) */
3049 start
= 0; /* Current command start token index */
3050 end
= -1; /* Current command end token index */
3052 int expand
= 0; /* expand flag. set to 1 on {expand} form. */
3053 int interpolation
= 0; /* set to 1 if there is at least one
3054 argument of the command obtained via
3055 interpolation of more tokens. */
3056 /* Search for the end of command, while
3057 * count the number of args. */
3059 if (start
>= script
->len
) break;
3060 args
= 1; /* Number of args in current command */
3061 while (token
[end
].type
!= JIM_TT_EOL
) {
3062 if (end
== 0 || token
[end
-1].type
== JIM_TT_SEP
||
3063 token
[end
-1].type
== JIM_TT_EOL
)
3065 if (token
[end
].type
== JIM_TT_STR
&&
3066 token
[end
+1].type
!= JIM_TT_SEP
&&
3067 token
[end
+1].type
!= JIM_TT_EOL
&&
3068 (!strcmp(token
[end
].objPtr
->bytes
, "expand") ||
3069 !strcmp(token
[end
].objPtr
->bytes
, "*")))
3072 if (token
[end
].type
== JIM_TT_SEP
)
3076 interpolation
= !((end
-start
+1) == args
*2);
3077 /* Add the 'number of arguments' info into cmdstruct.
3078 * Negative value if there is list expansion involved. */
3080 ScriptObjAddInt(script
, -1);
3081 ScriptObjAddInt(script
, args
);
3082 /* Now add info about the number of tokens. */
3083 tokens
= 0; /* Number of tokens in current argument. */
3085 for (i
= start
; i
<= end
; i
++) {
3086 if (token
[i
].type
== JIM_TT_SEP
||
3087 token
[i
].type
== JIM_TT_EOL
)
3089 if (tokens
== 1 && expand
)
3091 ScriptObjAddInt(script
,
3092 expand
? -tokens
: tokens
);
3097 } else if (tokens
== 0 && token
[i
].type
== JIM_TT_STR
&&
3098 (!strcmp(token
[i
].objPtr
->bytes
, "expand") ||
3099 !strcmp(token
[i
].objPtr
->bytes
, "*")))
3106 /* Perform literal sharing, but only for objects that appear
3107 * to be scripts written as literals inside the source code,
3108 * and not computed at runtime. Literal sharing is a costly
3109 * operation that should be done only against objects that
3110 * are likely to require compilation only the first time, and
3111 * then are executed multiple times. */
3112 if (propagateSourceInfo
&& interp
->framePtr
->procBodyObjPtr
) {
3113 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
3114 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
3115 ScriptObj
*bodyScript
=
3116 bodyObjPtr
->internalRep
.ptr
;
3117 ScriptShareLiterals(interp
, script
, bodyScript
);
3119 } else if (propagateSourceInfo
) {
3120 ScriptShareLiterals(interp
, script
, NULL
);
3122 /* Free the old internal rep and set the new one. */
3123 Jim_FreeIntRep(interp
, objPtr
);
3124 Jim_SetIntRepPtr(objPtr
, script
);
3125 objPtr
->typePtr
= &scriptObjType
;
3129 ScriptObj
*Jim_GetScript(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3131 if (objPtr
->typePtr
!= &scriptObjType
) {
3132 SetScriptFromAny(interp
, objPtr
);
3134 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
3137 /* -----------------------------------------------------------------------------
3139 * ---------------------------------------------------------------------------*/
3141 /* Commands HashTable Type.
3143 * Keys are dynamic allocated strings, Values are Jim_Cmd structures. */
3144 static void Jim_CommandsHT_ValDestructor(void *interp
, void *val
)
3146 Jim_Cmd
*cmdPtr
= (void*) val
;
3148 if (cmdPtr
->cmdProc
== NULL
) {
3149 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3150 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3151 if (cmdPtr
->staticVars
) {
3152 Jim_FreeHashTable(cmdPtr
->staticVars
);
3153 Jim_Free(cmdPtr
->staticVars
);
3155 } else if (cmdPtr
->delProc
!= NULL
) {
3156 /* If it was a C coded command, call the delProc if any */
3157 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3162 static Jim_HashTableType JimCommandsHashTableType
= {
3163 JimStringCopyHTHashFunction
, /* hash function */
3164 JimStringCopyHTKeyDup
, /* key dup */
3166 JimStringCopyHTKeyCompare
, /* key compare */
3167 JimStringCopyHTKeyDestructor
, /* key destructor */
3168 Jim_CommandsHT_ValDestructor
/* val destructor */
3171 /* ------------------------- Commands related functions --------------------- */
3173 int Jim_CreateCommand(Jim_Interp
*interp
, const char *cmdName
,
3174 Jim_CmdProc cmdProc
, void *privData
, Jim_DelCmdProc delProc
)
3179 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3180 if (he
== NULL
) { /* New command to create */
3181 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3182 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3184 Jim_InterpIncrProcEpoch(interp
);
3185 /* Free the arglist/body objects if it was a Tcl procedure */
3187 if (cmdPtr
->cmdProc
== NULL
) {
3188 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3189 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3190 if (cmdPtr
->staticVars
) {
3191 Jim_FreeHashTable(cmdPtr
->staticVars
);
3192 Jim_Free(cmdPtr
->staticVars
);
3194 cmdPtr
->staticVars
= NULL
;
3195 } else if (cmdPtr
->delProc
!= NULL
) {
3196 /* If it was a C coded command, call the delProc if any */
3197 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3201 /* Store the new details for this proc */
3202 cmdPtr
->delProc
= delProc
;
3203 cmdPtr
->cmdProc
= cmdProc
;
3204 cmdPtr
->privData
= privData
;
3206 /* There is no need to increment the 'proc epoch' because
3207 * creation of a new procedure can never affect existing
3208 * cached commands. We don't do negative caching. */
3212 int Jim_CreateProcedure(Jim_Interp
*interp
, const char *cmdName
,
3213 Jim_Obj
*argListObjPtr
, Jim_Obj
*staticsListObjPtr
, Jim_Obj
*bodyObjPtr
,
3214 int arityMin
, int arityMax
)
3218 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3219 cmdPtr
->cmdProc
= NULL
; /* Not a C coded command */
3220 cmdPtr
->argListObjPtr
= argListObjPtr
;
3221 cmdPtr
->bodyObjPtr
= bodyObjPtr
;
3222 Jim_IncrRefCount(argListObjPtr
);
3223 Jim_IncrRefCount(bodyObjPtr
);
3224 cmdPtr
->arityMin
= arityMin
;
3225 cmdPtr
->arityMax
= arityMax
;
3226 cmdPtr
->staticVars
= NULL
;
3228 /* Create the statics hash table. */
3229 if (staticsListObjPtr
) {
3232 Jim_ListLength(interp
, staticsListObjPtr
, &len
);
3234 cmdPtr
->staticVars
= Jim_Alloc(sizeof(Jim_HashTable
));
3235 Jim_InitHashTable(cmdPtr
->staticVars
, &JimVariablesHashTableType
,
3237 for (i
= 0; i
< len
; i
++) {
3238 Jim_Obj
*objPtr
, *initObjPtr
, *nameObjPtr
;
3242 Jim_ListIndex(interp
, staticsListObjPtr
, i
, &objPtr
, JIM_NONE
);
3243 /* Check if it's composed of two elements. */
3244 Jim_ListLength(interp
, objPtr
, &subLen
);
3245 if (subLen
== 1 || subLen
== 2) {
3246 /* Try to get the variable value from the current
3248 Jim_ListIndex(interp
, objPtr
, 0, &nameObjPtr
, JIM_NONE
);
3250 initObjPtr
= Jim_GetVariable(interp
, nameObjPtr
,
3252 if (initObjPtr
== NULL
) {
3253 Jim_SetResult(interp
,
3254 Jim_NewEmptyStringObj(interp
));
3255 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3256 "variable for initialization of static \"",
3257 Jim_GetString(nameObjPtr
, NULL
),
3258 "\" not found in the local context",
3263 Jim_ListIndex(interp
, objPtr
, 1, &initObjPtr
, JIM_NONE
);
3265 varPtr
= Jim_Alloc(sizeof(*varPtr
));
3266 varPtr
->objPtr
= initObjPtr
;
3267 Jim_IncrRefCount(initObjPtr
);
3268 varPtr
->linkFramePtr
= NULL
;
3269 if (Jim_AddHashEntry(cmdPtr
->staticVars
,
3270 Jim_GetString(nameObjPtr
, NULL
),
3273 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3274 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3275 "static variable name \"",
3276 Jim_GetString(objPtr
, NULL
), "\"",
3277 " duplicated in statics list", NULL
);
3278 Jim_DecrRefCount(interp
, initObjPtr
);
3283 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3284 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3285 "too many fields in static specifier \"",
3286 objPtr
, "\"", NULL
);
3293 /* Add the new command */
3295 /* it may already exist, so we try to delete the old one */
3296 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) != JIM_ERR
) {
3297 /* There was an old procedure with the same name, this requires
3298 * a 'proc epoch' update. */
3299 Jim_InterpIncrProcEpoch(interp
);
3301 /* If a procedure with the same name didn't existed there is no need
3302 * to increment the 'proc epoch' because creation of a new procedure
3303 * can never affect existing cached commands. We don't do
3304 * negative caching. */
3305 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3309 Jim_FreeHashTable(cmdPtr
->staticVars
);
3310 Jim_Free(cmdPtr
->staticVars
);
3311 Jim_DecrRefCount(interp
, argListObjPtr
);
3312 Jim_DecrRefCount(interp
, bodyObjPtr
);
3317 int Jim_DeleteCommand(Jim_Interp
*interp
, const char *cmdName
)
3319 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) == JIM_ERR
)
3321 Jim_InterpIncrProcEpoch(interp
);
3325 int Jim_RenameCommand(Jim_Interp
*interp
, const char *oldName
,
3326 const char *newName
)
3330 Jim_Cmd
*copyCmdPtr
;
3332 if (newName
[0] == '\0') /* Delete! */
3333 return Jim_DeleteCommand(interp
, oldName
);
3335 he
= Jim_FindHashEntry(&interp
->commands
, oldName
);
3337 return JIM_ERR
; /* Invalid command name */
3339 copyCmdPtr
= Jim_Alloc(sizeof(Jim_Cmd
));
3340 *copyCmdPtr
= *cmdPtr
;
3341 /* In order to avoid that a procedure will get arglist/body/statics
3342 * freed by the hash table methods, fake a C-coded command
3343 * setting cmdPtr->cmdProc as not NULL */
3344 cmdPtr
->cmdProc
= (void*)1;
3345 /* Also make sure delProc is NULL. */
3346 cmdPtr
->delProc
= NULL
;
3347 /* Destroy the old command, and make sure the new is freed
3349 Jim_DeleteHashEntry(&interp
->commands
, oldName
);
3350 Jim_DeleteHashEntry(&interp
->commands
, newName
);
3351 /* Now the new command. We are sure it can't fail because
3352 * the target name was already freed. */
3353 Jim_AddHashEntry(&interp
->commands
, newName
, copyCmdPtr
);
3354 /* Increment the epoch */
3355 Jim_InterpIncrProcEpoch(interp
);
3359 /* -----------------------------------------------------------------------------
3361 * ---------------------------------------------------------------------------*/
3363 static int SetCommandFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3365 static Jim_ObjType commandObjType
= {
3370 JIM_TYPE_REFERENCES
,
3373 int SetCommandFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3376 const char *cmdName
;
3378 /* Get the string representation */
3379 cmdName
= Jim_GetString(objPtr
, NULL
);
3380 /* Lookup this name into the commands hash table */
3381 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3385 /* Free the old internal repr and set the new one. */
3386 Jim_FreeIntRep(interp
, objPtr
);
3387 objPtr
->typePtr
= &commandObjType
;
3388 objPtr
->internalRep
.cmdValue
.procEpoch
= interp
->procEpoch
;
3389 objPtr
->internalRep
.cmdValue
.cmdPtr
= (void*)he
->val
;
3393 /* This function returns the command structure for the command name
3394 * stored in objPtr. It tries to specialize the objPtr to contain
3395 * a cached info instead to perform the lookup into the hash table
3396 * every time. The information cached may not be uptodate, in such
3397 * a case the lookup is performed and the cache updated. */
3398 Jim_Cmd
*Jim_GetCommand(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
3400 if ((objPtr
->typePtr
!= &commandObjType
||
3401 objPtr
->internalRep
.cmdValue
.procEpoch
!= interp
->procEpoch
) &&
3402 SetCommandFromAny(interp
, objPtr
) == JIM_ERR
) {
3403 if (flags
& JIM_ERRMSG
) {
3404 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3405 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3406 "invalid command name \"", objPtr
->bytes
, "\"",
3411 return objPtr
->internalRep
.cmdValue
.cmdPtr
;
3414 /* -----------------------------------------------------------------------------
3416 * ---------------------------------------------------------------------------*/
3418 /* Variables HashTable Type.
3420 * Keys are dynamic allocated strings, Values are Jim_Var structures. */
3421 static void JimVariablesHTValDestructor(void *interp
, void *val
)
3423 Jim_Var
*varPtr
= (void*) val
;
3425 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3429 static Jim_HashTableType JimVariablesHashTableType
= {
3430 JimStringCopyHTHashFunction
, /* hash function */
3431 JimStringCopyHTKeyDup
, /* key dup */
3433 JimStringCopyHTKeyCompare
, /* key compare */
3434 JimStringCopyHTKeyDestructor
, /* key destructor */
3435 JimVariablesHTValDestructor
/* val destructor */
3438 /* -----------------------------------------------------------------------------
3440 * ---------------------------------------------------------------------------*/
3442 #define JIM_DICT_SUGAR 100 /* Only returned by SetVariableFromAny() */
3444 static int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3446 static Jim_ObjType variableObjType
= {
3451 JIM_TYPE_REFERENCES
,
3454 /* Return true if the string "str" looks like syntax sugar for [dict]. I.e.
3455 * is in the form "varname(key)". */
3456 static int Jim_NameIsDictSugar(const char *str
, int len
)
3460 if (len
&& str
[len
-1] == ')' && strchr(str
, '(') != NULL
)
3465 /* This method should be called only by the variable API.
3466 * It returns JIM_OK on success (variable already exists),
3467 * JIM_ERR if it does not exists, JIM_DICT_GLUE if it's not
3468 * a variable name, but syntax glue for [dict] i.e. the last
3469 * character is ')' */
3470 int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3473 const char *varName
;
3476 /* Check if the object is already an uptodate variable */
3477 if (objPtr
->typePtr
== &variableObjType
&&
3478 objPtr
->internalRep
.varValue
.callFrameId
== interp
->framePtr
->id
)
3479 return JIM_OK
; /* nothing to do */
3480 /* Get the string representation */
3481 varName
= Jim_GetString(objPtr
, &len
);
3482 /* Make sure it's not syntax glue to get/set dict. */
3483 if (Jim_NameIsDictSugar(varName
, len
))
3484 return JIM_DICT_SUGAR
;
3485 if (varName
[0] == ':' && varName
[1] == ':') {
3486 he
= Jim_FindHashEntry(&interp
->topFramePtr
->vars
, varName
+ 2);
3492 /* Lookup this name into the variables hash table */
3493 he
= Jim_FindHashEntry(&interp
->framePtr
->vars
, varName
);
3495 /* Try with static vars. */
3496 if (interp
->framePtr
->staticVars
== NULL
)
3498 if (!(he
= Jim_FindHashEntry(interp
->framePtr
->staticVars
, varName
)))
3502 /* Free the old internal repr and set the new one. */
3503 Jim_FreeIntRep(interp
, objPtr
);
3504 objPtr
->typePtr
= &variableObjType
;
3505 objPtr
->internalRep
.varValue
.callFrameId
= interp
->framePtr
->id
;
3506 objPtr
->internalRep
.varValue
.varPtr
= (void*)he
->val
;
3510 /* -------------------- Variables related functions ------------------------- */
3511 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
,
3512 Jim_Obj
*valObjPtr
);
3513 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
);
3515 /* For now that's dummy. Variables lookup should be optimized
3516 * in many ways, with caching of lookups, and possibly with
3517 * a table of pre-allocated vars in every CallFrame for local vars.
3518 * All the caching should also have an 'epoch' mechanism similar
3519 * to the one used by Tcl for procedures lookup caching. */
3521 int Jim_SetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, Jim_Obj
*valObjPtr
)
3527 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3528 /* Check for [dict] syntax sugar. */
3529 if (err
== JIM_DICT_SUGAR
)
3530 return JimDictSugarSet(interp
, nameObjPtr
, valObjPtr
);
3531 /* New variable to create */
3532 name
= Jim_GetString(nameObjPtr
, NULL
);
3534 var
= Jim_Alloc(sizeof(*var
));
3535 var
->objPtr
= valObjPtr
;
3536 Jim_IncrRefCount(valObjPtr
);
3537 var
->linkFramePtr
= NULL
;
3538 /* Insert the new variable */
3539 if (name
[0] == ':' && name
[1] == ':') {
3540 /* Into to the top evel frame */
3541 Jim_AddHashEntry(&interp
->topFramePtr
->vars
, name
+ 2, var
);
3544 Jim_AddHashEntry(&interp
->framePtr
->vars
, name
, var
);
3546 /* Make the object int rep a variable */
3547 Jim_FreeIntRep(interp
, nameObjPtr
);
3548 nameObjPtr
->typePtr
= &variableObjType
;
3549 nameObjPtr
->internalRep
.varValue
.callFrameId
=
3550 interp
->framePtr
->id
;
3551 nameObjPtr
->internalRep
.varValue
.varPtr
= var
;
3553 var
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3554 if (var
->linkFramePtr
== NULL
) {
3555 Jim_IncrRefCount(valObjPtr
);
3556 Jim_DecrRefCount(interp
, var
->objPtr
);
3557 var
->objPtr
= valObjPtr
;
3558 } else { /* Else handle the link */
3559 Jim_CallFrame
*savedCallFrame
;
3561 savedCallFrame
= interp
->framePtr
;
3562 interp
->framePtr
= var
->linkFramePtr
;
3563 err
= Jim_SetVariable(interp
, var
->objPtr
, valObjPtr
);
3564 interp
->framePtr
= savedCallFrame
;
3572 int Jim_SetVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3574 Jim_Obj
*nameObjPtr
;
3577 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3578 Jim_IncrRefCount(nameObjPtr
);
3579 result
= Jim_SetVariable(interp
, nameObjPtr
, objPtr
);
3580 Jim_DecrRefCount(interp
, nameObjPtr
);
3584 int Jim_SetGlobalVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3586 Jim_CallFrame
*savedFramePtr
;
3589 savedFramePtr
= interp
->framePtr
;
3590 interp
->framePtr
= interp
->topFramePtr
;
3591 result
= Jim_SetVariableStr(interp
, name
, objPtr
);
3592 interp
->framePtr
= savedFramePtr
;
3596 int Jim_SetVariableStrWithStr(Jim_Interp
*interp
, const char *name
, const char *val
)
3598 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3601 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3602 valObjPtr
= Jim_NewStringObj(interp
, val
, -1);
3603 Jim_IncrRefCount(nameObjPtr
);
3604 Jim_IncrRefCount(valObjPtr
);
3605 result
= Jim_SetVariable(interp
, nameObjPtr
, valObjPtr
);
3606 Jim_DecrRefCount(interp
, nameObjPtr
);
3607 Jim_DecrRefCount(interp
, valObjPtr
);
3611 int Jim_SetVariableLink(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3612 Jim_Obj
*targetNameObjPtr
, Jim_CallFrame
*targetCallFrame
)
3614 const char *varName
;
3617 /* Check for cycles. */
3618 if (interp
->framePtr
== targetCallFrame
) {
3619 Jim_Obj
*objPtr
= targetNameObjPtr
;
3621 /* Cycles are only possible with 'uplevel 0' */
3623 if (Jim_StringEqObj(objPtr
, nameObjPtr
, 0)) {
3624 Jim_SetResultString(interp
,
3625 "can't upvar from variable to itself", -1);
3628 if (SetVariableFromAny(interp
, objPtr
) != JIM_OK
)
3630 varPtr
= objPtr
->internalRep
.varValue
.varPtr
;
3631 if (varPtr
->linkFramePtr
!= targetCallFrame
) break;
3632 objPtr
= varPtr
->objPtr
;
3635 varName
= Jim_GetString(nameObjPtr
, &len
);
3636 if (Jim_NameIsDictSugar(varName
, len
)) {
3637 Jim_SetResultString(interp
,
3638 "Dict key syntax invalid as link source", -1);
3641 /* Perform the binding */
3642 Jim_SetVariable(interp
, nameObjPtr
, targetNameObjPtr
);
3643 /* We are now sure 'nameObjPtr' type is variableObjType */
3644 nameObjPtr
->internalRep
.varValue
.varPtr
->linkFramePtr
= targetCallFrame
;
3648 /* Return the Jim_Obj pointer associated with a variable name,
3649 * or NULL if the variable was not found in the current context.
3650 * The same optimization discussed in the comment to the
3651 * 'SetVariable' function should apply here. */
3652 Jim_Obj
*Jim_GetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3656 /* All the rest is handled here */
3657 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3658 /* Check for [dict] syntax sugar. */
3659 if (err
== JIM_DICT_SUGAR
)
3660 return JimDictSugarGet(interp
, nameObjPtr
);
3661 if (flags
& JIM_ERRMSG
) {
3662 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3663 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3664 "can't read \"", nameObjPtr
->bytes
,
3665 "\": no such variable", NULL
);
3671 Jim_CallFrame
*savedCallFrame
;
3673 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3674 if (varPtr
->linkFramePtr
== NULL
)
3675 return varPtr
->objPtr
;
3676 /* The variable is a link? Resolve it. */
3677 savedCallFrame
= interp
->framePtr
;
3678 interp
->framePtr
= varPtr
->linkFramePtr
;
3679 objPtr
= Jim_GetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3680 if (objPtr
== NULL
&& flags
& JIM_ERRMSG
) {
3681 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3682 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3683 "can't read \"", nameObjPtr
->bytes
,
3684 "\": no such variable", NULL
);
3686 interp
->framePtr
= savedCallFrame
;
3691 Jim_Obj
*Jim_GetGlobalVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3694 Jim_CallFrame
*savedFramePtr
;
3697 savedFramePtr
= interp
->framePtr
;
3698 interp
->framePtr
= interp
->topFramePtr
;
3699 objPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3700 interp
->framePtr
= savedFramePtr
;
3705 Jim_Obj
*Jim_GetVariableStr(Jim_Interp
*interp
, const char *name
, int flags
)
3707 Jim_Obj
*nameObjPtr
, *varObjPtr
;
3709 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3710 Jim_IncrRefCount(nameObjPtr
);
3711 varObjPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3712 Jim_DecrRefCount(interp
, nameObjPtr
);
3716 Jim_Obj
*Jim_GetGlobalVariableStr(Jim_Interp
*interp
, const char *name
,
3719 Jim_CallFrame
*savedFramePtr
;
3722 savedFramePtr
= interp
->framePtr
;
3723 interp
->framePtr
= interp
->topFramePtr
;
3724 objPtr
= Jim_GetVariableStr(interp
, name
, flags
);
3725 interp
->framePtr
= savedFramePtr
;
3730 /* Unset a variable.
3731 * Note: On success unset invalidates all the variable objects created
3732 * in the current call frame incrementing. */
3733 int Jim_UnsetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3739 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3740 /* Check for [dict] syntax sugar. */
3741 if (err
== JIM_DICT_SUGAR
)
3742 return JimDictSugarSet(interp
, nameObjPtr
, NULL
);
3743 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3744 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3745 "can't unset \"", nameObjPtr
->bytes
,
3746 "\": no such variable", NULL
);
3747 return JIM_ERR
; /* var not found */
3749 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3750 /* If it's a link call UnsetVariable recursively */
3751 if (varPtr
->linkFramePtr
) {
3754 Jim_CallFrame
*savedCallFrame
;
3756 savedCallFrame
= interp
->framePtr
;
3757 interp
->framePtr
= varPtr
->linkFramePtr
;
3758 retval
= Jim_UnsetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3759 interp
->framePtr
= savedCallFrame
;
3760 if (retval
!= JIM_OK
&& flags
& JIM_ERRMSG
) {
3761 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3762 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3763 "can't unset \"", nameObjPtr
->bytes
,
3764 "\": no such variable", NULL
);
3768 name
= Jim_GetString(nameObjPtr
, NULL
);
3769 if (Jim_DeleteHashEntry(&interp
->framePtr
->vars
, name
)
3770 != JIM_OK
) return JIM_ERR
;
3771 /* Change the callframe id, invalidating var lookup caching */
3772 JimChangeCallFrameId(interp
, interp
->framePtr
);
3777 /* ---------- Dict syntax sugar (similar to array Tcl syntax) -------------- */
3779 /* Given a variable name for [dict] operation syntax sugar,
3780 * this function returns two objects, the first with the name
3781 * of the variable to set, and the second with the rispective key.
3782 * For example "foo(bar)" will return objects with string repr. of
3785 * The returned objects have refcount = 1. The function can't fail. */
3786 static void JimDictSugarParseVarKey(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3787 Jim_Obj
**varPtrPtr
, Jim_Obj
**keyPtrPtr
)
3789 const char *str
, *p
;
3791 int len
, keyLen
, nameLen
;
3792 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3794 str
= Jim_GetString(objPtr
, &len
);
3795 p
= strchr(str
, '(');
3797 keyLen
= len
-((p
-str
)+1);
3798 nameLen
= (p
-str
)-1;
3799 /* Create the objects with the variable name and key. */
3800 t
= Jim_Alloc(nameLen
+1);
3801 memcpy(t
, str
, nameLen
);
3803 varObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, nameLen
);
3805 t
= Jim_Alloc(keyLen
+1);
3806 memcpy(t
, p
, keyLen
);
3808 keyObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, keyLen
);
3810 Jim_IncrRefCount(varObjPtr
);
3811 Jim_IncrRefCount(keyObjPtr
);
3812 *varPtrPtr
= varObjPtr
;
3813 *keyPtrPtr
= keyObjPtr
;
3816 /* Helper of Jim_SetVariable() to deal with dict-syntax variable names.
3817 * Also used by Jim_UnsetVariable() with valObjPtr = NULL. */
3818 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3821 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3824 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3825 err
= Jim_SetDictKeysVector(interp
, varObjPtr
, &keyObjPtr
, 1,
3827 Jim_DecrRefCount(interp
, varObjPtr
);
3828 Jim_DecrRefCount(interp
, keyObjPtr
);
3832 /* Helper of Jim_GetVariable() to deal with dict-syntax variable names */
3833 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3835 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3837 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3838 dictObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
3843 if (Jim_DictKey(interp
, dictObjPtr
, keyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3848 Jim_DecrRefCount(interp
, varObjPtr
);
3849 Jim_DecrRefCount(interp
, keyObjPtr
);
3853 /* --------- $var(INDEX) substitution, using a specialized object ----------- */
3855 static void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
3856 static void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3859 static Jim_ObjType dictSubstObjType
= {
3860 "dict-substitution",
3861 FreeDictSubstInternalRep
,
3862 DupDictSubstInternalRep
,
3867 void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3869 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
);
3870 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
);
3873 void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3876 JIM_NOTUSED(interp
);
3878 dupPtr
->internalRep
.dictSubstValue
.varNameObjPtr
=
3879 srcPtr
->internalRep
.dictSubstValue
.varNameObjPtr
;
3880 dupPtr
->internalRep
.dictSubstValue
.indexObjPtr
=
3881 srcPtr
->internalRep
.dictSubstValue
.indexObjPtr
;
3882 dupPtr
->typePtr
= &dictSubstObjType
;
3885 /* This function is used to expand [dict get] sugar in the form
3886 * of $var(INDEX). The function is mainly used by Jim_EvalObj()
3887 * to deal with tokens of type JIM_TT_DICTSUGAR. objPtr points to an
3888 * object that is *guaranteed* to be in the form VARNAME(INDEX).
3889 * The 'index' part is [subst]ituted, and is used to lookup a key inside
3890 * the [dict]ionary contained in variable VARNAME. */
3891 Jim_Obj
*Jim_ExpandDictSugar(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3893 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3894 Jim_Obj
*substKeyObjPtr
= NULL
;
3896 if (objPtr
->typePtr
!= &dictSubstObjType
) {
3897 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3898 Jim_FreeIntRep(interp
, objPtr
);
3899 objPtr
->typePtr
= &dictSubstObjType
;
3900 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
= varObjPtr
;
3901 objPtr
->internalRep
.dictSubstValue
.indexObjPtr
= keyObjPtr
;
3903 if (Jim_SubstObj(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
,
3904 &substKeyObjPtr
, JIM_NONE
)
3906 substKeyObjPtr
= NULL
;
3909 Jim_IncrRefCount(substKeyObjPtr
);
3910 dictObjPtr
= Jim_GetVariable(interp
,
3911 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
, JIM_ERRMSG
);
3916 if (Jim_DictKey(interp
, dictObjPtr
, substKeyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3922 if (substKeyObjPtr
) Jim_DecrRefCount(interp
, substKeyObjPtr
);
3926 /* -----------------------------------------------------------------------------
3928 * ---------------------------------------------------------------------------*/
3930 static Jim_CallFrame
*JimCreateCallFrame(Jim_Interp
*interp
)
3933 if (interp
->freeFramesList
) {
3934 cf
= interp
->freeFramesList
;
3935 interp
->freeFramesList
= cf
->nextFramePtr
;
3937 cf
= Jim_Alloc(sizeof(*cf
));
3938 cf
->vars
.table
= NULL
;
3941 cf
->id
= interp
->callFrameEpoch
++;
3942 cf
->parentCallFrame
= NULL
;
3945 cf
->procArgsObjPtr
= NULL
;
3946 cf
->procBodyObjPtr
= NULL
;
3947 cf
->nextFramePtr
= NULL
;
3948 cf
->staticVars
= NULL
;
3949 if (cf
->vars
.table
== NULL
)
3950 Jim_InitHashTable(&cf
->vars
, &JimVariablesHashTableType
, interp
);
3954 /* Used to invalidate every caching related to callframe stability. */
3955 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
)
3957 cf
->id
= interp
->callFrameEpoch
++;
3960 #define JIM_FCF_NONE 0 /* no flags */
3961 #define JIM_FCF_NOHT 1 /* don't free the hash table */
3962 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
,
3965 if (cf
->procArgsObjPtr
) Jim_DecrRefCount(interp
, cf
->procArgsObjPtr
);
3966 if (cf
->procBodyObjPtr
) Jim_DecrRefCount(interp
, cf
->procBodyObjPtr
);
3967 if (!(flags
& JIM_FCF_NOHT
))
3968 Jim_FreeHashTable(&cf
->vars
);
3971 Jim_HashEntry
**table
= cf
->vars
.table
, *he
;
3973 for (i
= 0; i
< JIM_HT_INITIAL_SIZE
; i
++) {
3975 while (he
!= NULL
) {
3976 Jim_HashEntry
*nextEntry
= he
->next
;
3977 Jim_Var
*varPtr
= (void*) he
->val
;
3979 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3981 Jim_Free((void*)he
->key
); /* ATTENTION: const cast */
3989 cf
->nextFramePtr
= interp
->freeFramesList
;
3990 interp
->freeFramesList
= cf
;
3993 /* -----------------------------------------------------------------------------
3995 * ---------------------------------------------------------------------------*/
3997 /* References HashTable Type.
3999 * Keys are jim_wide integers, dynamically allocated for now but in the
4000 * future it's worth to cache this 8 bytes objects. Values are poitners
4001 * to Jim_References. */
4002 static void JimReferencesHTValDestructor(void *interp
, void *val
)
4004 Jim_Reference
*refPtr
= (void*) val
;
4006 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
4007 if (refPtr
->finalizerCmdNamePtr
!= NULL
) {
4008 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4013 unsigned int JimReferencesHTHashFunction(const void *key
)
4015 /* Only the least significant bits are used. */
4016 const jim_wide
*widePtr
= key
;
4017 unsigned int intValue
= (unsigned int) *widePtr
;
4018 return Jim_IntHashFunction(intValue
);
4021 unsigned int JimReferencesHTDoubleHashFunction(const void *key
)
4023 /* Only the least significant bits are used. */
4024 const jim_wide
*widePtr
= key
;
4025 unsigned int intValue
= (unsigned int) *widePtr
;
4026 return intValue
; /* identity function. */
4029 const void *JimReferencesHTKeyDup(void *privdata
, const void *key
)
4031 void *copy
= Jim_Alloc(sizeof(jim_wide
));
4032 JIM_NOTUSED(privdata
);
4034 memcpy(copy
, key
, sizeof(jim_wide
));
4038 int JimReferencesHTKeyCompare(void *privdata
, const void *key1
,
4041 JIM_NOTUSED(privdata
);
4043 return memcmp(key1
, key2
, sizeof(jim_wide
)) == 0;
4046 void JimReferencesHTKeyDestructor(void *privdata
, const void *key
)
4048 JIM_NOTUSED(privdata
);
4050 Jim_Free((void*)key
);
4053 static Jim_HashTableType JimReferencesHashTableType
= {
4054 JimReferencesHTHashFunction
, /* hash function */
4055 JimReferencesHTKeyDup
, /* key dup */
4057 JimReferencesHTKeyCompare
, /* key compare */
4058 JimReferencesHTKeyDestructor
, /* key destructor */
4059 JimReferencesHTValDestructor
/* val destructor */
4062 /* -----------------------------------------------------------------------------
4063 * Reference object type and References API
4064 * ---------------------------------------------------------------------------*/
4066 static void UpdateStringOfReference(struct Jim_Obj
*objPtr
);
4068 static Jim_ObjType referenceObjType
= {
4072 UpdateStringOfReference
,
4073 JIM_TYPE_REFERENCES
,
4076 void UpdateStringOfReference(struct Jim_Obj
*objPtr
)
4079 char buf
[JIM_REFERENCE_SPACE
+1];
4080 Jim_Reference
*refPtr
;
4082 refPtr
= objPtr
->internalRep
.refValue
.refPtr
;
4083 len
= JimFormatReference(buf
, refPtr
, objPtr
->internalRep
.refValue
.id
);
4084 objPtr
->bytes
= Jim_Alloc(len
+1);
4085 memcpy(objPtr
->bytes
, buf
, len
+1);
4086 objPtr
->length
= len
;
4089 /* returns true if 'c' is a valid reference tag character.
4090 * i.e. inside the range [_a-zA-Z0-9] */
4091 static int isrefchar(int c
)
4093 if (c
== '_' || (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
4094 (c
>= '0' && c
<= '9')) return 1;
4098 int SetReferenceFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4102 const char *str
, *start
, *end
;
4104 Jim_Reference
*refPtr
;
4107 /* Get the string representation */
4108 str
= Jim_GetString(objPtr
, &len
);
4109 /* Check if it looks like a reference */
4110 if (len
< JIM_REFERENCE_SPACE
) goto badformat
;
4114 while (*start
== ' ') start
++;
4115 while (*end
== ' ' && end
> start
) end
--;
4116 if (end
-start
+1 != JIM_REFERENCE_SPACE
) goto badformat
;
4117 /* <reference.<1234567>.%020> */
4118 if (memcmp(start
, "<reference.<", 12) != 0) goto badformat
;
4119 if (start
[12+JIM_REFERENCE_TAGLEN
] != '>' || end
[0] != '>') goto badformat
;
4120 /* The tag can't contain chars other than a-zA-Z0-9 + '_'. */
4121 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4122 if (!isrefchar(start
[12+i
])) goto badformat
;
4124 /* Extract info from the refernece. */
4125 memcpy(refId
, start
+14+JIM_REFERENCE_TAGLEN
, 20);
4127 /* Try to convert the ID into a jim_wide */
4128 if (Jim_StringToWide(refId
, &wideValue
, 10) != JIM_OK
) goto badformat
;
4129 /* Check if the reference really exists! */
4130 he
= Jim_FindHashEntry(&interp
->references
, &wideValue
);
4132 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4133 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4134 "Invalid reference ID \"", str
, "\"", NULL
);
4138 /* Free the old internal repr and set the new one. */
4139 Jim_FreeIntRep(interp
, objPtr
);
4140 objPtr
->typePtr
= &referenceObjType
;
4141 objPtr
->internalRep
.refValue
.id
= wideValue
;
4142 objPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4146 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4147 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4148 "expected reference but got \"", str
, "\"", NULL
);
4152 /* Returns a new reference pointing to objPtr, having cmdNamePtr
4153 * as finalizer command (or NULL if there is no finalizer).
4154 * The returned reference object has refcount = 0. */
4155 Jim_Obj
*Jim_NewReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*tagPtr
,
4156 Jim_Obj
*cmdNamePtr
)
4158 struct Jim_Reference
*refPtr
;
4159 jim_wide wideValue
= interp
->referenceNextId
;
4164 /* Perform the Garbage Collection if needed. */
4165 Jim_CollectIfNeeded(interp
);
4167 refPtr
= Jim_Alloc(sizeof(*refPtr
));
4168 refPtr
->objPtr
= objPtr
;
4169 Jim_IncrRefCount(objPtr
);
4170 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4172 Jim_IncrRefCount(cmdNamePtr
);
4173 Jim_AddHashEntry(&interp
->references
, &wideValue
, refPtr
);
4174 refObjPtr
= Jim_NewObj(interp
);
4175 refObjPtr
->typePtr
= &referenceObjType
;
4176 refObjPtr
->bytes
= NULL
;
4177 refObjPtr
->internalRep
.refValue
.id
= interp
->referenceNextId
;
4178 refObjPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4179 interp
->referenceNextId
++;
4180 /* Set the tag. Trimmered at JIM_REFERENCE_TAGLEN. Everything
4181 * that does not pass the 'isrefchar' test is replaced with '_' */
4182 tag
= Jim_GetString(tagPtr
, &tagLen
);
4183 if (tagLen
> JIM_REFERENCE_TAGLEN
)
4184 tagLen
= JIM_REFERENCE_TAGLEN
;
4185 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4187 refPtr
->tag
[i
] = tag
[i
];
4189 refPtr
->tag
[i
] = '_';
4191 refPtr
->tag
[JIM_REFERENCE_TAGLEN
] = '\0';
4195 Jim_Reference
*Jim_GetReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4197 if (objPtr
->typePtr
!= &referenceObjType
&&
4198 SetReferenceFromAny(interp
, objPtr
) == JIM_ERR
)
4200 return objPtr
->internalRep
.refValue
.refPtr
;
4203 int Jim_SetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*cmdNamePtr
)
4205 Jim_Reference
*refPtr
;
4207 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4209 Jim_IncrRefCount(cmdNamePtr
);
4210 if (refPtr
->finalizerCmdNamePtr
)
4211 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4212 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4216 int Jim_GetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
**cmdNamePtrPtr
)
4218 Jim_Reference
*refPtr
;
4220 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4222 *cmdNamePtrPtr
= refPtr
->finalizerCmdNamePtr
;
4226 /* -----------------------------------------------------------------------------
4227 * References Garbage Collection
4228 * ---------------------------------------------------------------------------*/
4230 /* This the hash table type for the "MARK" phase of the GC */
4231 static Jim_HashTableType JimRefMarkHashTableType
= {
4232 JimReferencesHTHashFunction
, /* hash function */
4233 JimReferencesHTKeyDup
, /* key dup */
4235 JimReferencesHTKeyCompare
, /* key compare */
4236 JimReferencesHTKeyDestructor
, /* key destructor */
4237 NULL
/* val destructor */
4240 /* #define JIM_DEBUG_GC 1 */
4242 /* Performs the garbage collection. */
4243 int Jim_Collect(Jim_Interp
*interp
)
4245 Jim_HashTable marks
;
4246 Jim_HashTableIterator
*htiter
;
4251 /* Avoid recursive calls */
4252 if (interp
->lastCollectId
== -1) {
4253 /* Jim_Collect() already running. Return just now. */
4256 interp
->lastCollectId
= -1;
4258 /* Mark all the references found into the 'mark' hash table.
4259 * The references are searched in every live object that
4260 * is of a type that can contain references. */
4261 Jim_InitHashTable(&marks
, &JimRefMarkHashTableType
, NULL
);
4262 objPtr
= interp
->liveList
;
4264 if (objPtr
->typePtr
== NULL
||
4265 objPtr
->typePtr
->flags
& JIM_TYPE_REFERENCES
) {
4266 const char *str
, *p
;
4269 /* If the object is of type reference, to get the
4270 * Id is simple... */
4271 if (objPtr
->typePtr
== &referenceObjType
) {
4272 Jim_AddHashEntry(&marks
,
4273 &objPtr
->internalRep
.refValue
.id
, NULL
);
4275 Jim_fprintf(interp
,interp
->cookie_stdout
,
4276 "MARK (reference): %d refcount: %d" JIM_NL
,
4277 (int) objPtr
->internalRep
.refValue
.id
,
4280 objPtr
= objPtr
->nextObjPtr
;
4283 /* Get the string repr of the object we want
4284 * to scan for references. */
4285 p
= str
= Jim_GetString(objPtr
, &len
);
4286 /* Skip objects too little to contain references. */
4287 if (len
< JIM_REFERENCE_SPACE
) {
4288 objPtr
= objPtr
->nextObjPtr
;
4291 /* Extract references from the object string repr. */
4297 if ((p
= strstr(p
, "<reference.<")) == NULL
)
4299 /* Check if it's a valid reference. */
4300 if (len
-(p
-str
) < JIM_REFERENCE_SPACE
) break;
4301 if (p
[41] != '>' || p
[19] != '>' || p
[20] != '.') break;
4302 for (i
= 21; i
<= 40; i
++)
4303 if (!isdigit((int)p
[i
]))
4306 memcpy(buf
, p
+21, 20);
4308 Jim_StringToWide(buf
, &id
, 10);
4310 /* Ok, a reference for the given ID
4311 * was found. Mark it. */
4312 Jim_AddHashEntry(&marks
, &id
, NULL
);
4314 Jim_fprintf(interp
,interp
->cookie_stdout
,"MARK: %d" JIM_NL
, (int)id
);
4316 p
+= JIM_REFERENCE_SPACE
;
4319 objPtr
= objPtr
->nextObjPtr
;
4322 /* Run the references hash table to destroy every reference that
4323 * is not referenced outside (not present in the mark HT). */
4324 htiter
= Jim_GetHashTableIterator(&interp
->references
);
4325 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
4326 const jim_wide
*refId
;
4327 Jim_Reference
*refPtr
;
4330 /* Check if in the mark phase we encountered
4331 * this reference. */
4332 if (Jim_FindHashEntry(&marks
, refId
) == NULL
) {
4334 Jim_fprintf(interp
,interp
->cookie_stdout
,"COLLECTING %d" JIM_NL
, (int)*refId
);
4337 /* Drop the reference, but call the
4338 * finalizer first if registered. */
4340 if (refPtr
->finalizerCmdNamePtr
) {
4341 char *refstr
= Jim_Alloc(JIM_REFERENCE_SPACE
+1);
4342 Jim_Obj
*objv
[3], *oldResult
;
4344 JimFormatReference(refstr
, refPtr
, *refId
);
4346 objv
[0] = refPtr
->finalizerCmdNamePtr
;
4347 objv
[1] = Jim_NewStringObjNoAlloc(interp
,
4349 objv
[2] = refPtr
->objPtr
;
4350 Jim_IncrRefCount(objv
[0]);
4351 Jim_IncrRefCount(objv
[1]);
4352 Jim_IncrRefCount(objv
[2]);
4354 /* Drop the reference itself */
4355 Jim_DeleteHashEntry(&interp
->references
, refId
);
4357 /* Call the finalizer. Errors ignored. */
4358 oldResult
= interp
->result
;
4359 Jim_IncrRefCount(oldResult
);
4360 Jim_EvalObjVector(interp
, 3, objv
);
4361 Jim_SetResult(interp
, oldResult
);
4362 Jim_DecrRefCount(interp
, oldResult
);
4364 Jim_DecrRefCount(interp
, objv
[0]);
4365 Jim_DecrRefCount(interp
, objv
[1]);
4366 Jim_DecrRefCount(interp
, objv
[2]);
4368 Jim_DeleteHashEntry(&interp
->references
, refId
);
4372 Jim_FreeHashTableIterator(htiter
);
4373 Jim_FreeHashTable(&marks
);
4374 interp
->lastCollectId
= interp
->referenceNextId
;
4375 interp
->lastCollectTime
= time(NULL
);
4379 #define JIM_COLLECT_ID_PERIOD 5000
4380 #define JIM_COLLECT_TIME_PERIOD 300
4382 void Jim_CollectIfNeeded(Jim_Interp
*interp
)
4387 elapsedId
= interp
->referenceNextId
- interp
->lastCollectId
;
4388 elapsedTime
= time(NULL
) - interp
->lastCollectTime
;
4391 if (elapsedId
> JIM_COLLECT_ID_PERIOD
||
4392 elapsedTime
> JIM_COLLECT_TIME_PERIOD
) {
4393 Jim_Collect(interp
);
4397 /* -----------------------------------------------------------------------------
4398 * Interpreter related functions
4399 * ---------------------------------------------------------------------------*/
4401 Jim_Interp
*Jim_CreateInterp(void)
4403 Jim_Interp
*i
= Jim_Alloc(sizeof(*i
));
4407 i
->errorFileName
= Jim_StrDup("");
4409 i
->maxNestingDepth
= JIM_MAX_NESTING_DEPTH
;
4410 i
->returnCode
= JIM_OK
;
4413 i
->callFrameEpoch
= 0;
4414 i
->liveList
= i
->freeList
= NULL
;
4415 i
->scriptFileName
= Jim_StrDup("");
4416 i
->referenceNextId
= 0;
4417 i
->lastCollectId
= 0;
4418 i
->lastCollectTime
= time(NULL
);
4419 i
->freeFramesList
= NULL
;
4420 i
->prngState
= NULL
;
4421 i
->evalRetcodeLevel
= -1;
4422 i
->cookie_stdin
= stdin
;
4423 i
->cookie_stdout
= stdout
;
4424 i
->cookie_stderr
= stderr
;
4425 i
->cb_fwrite
= ((size_t (*)( const void *, size_t, size_t, void *))(fwrite
));
4426 i
->cb_fread
= ((size_t (*)( void *, size_t, size_t, void *))(fread
));
4427 i
->cb_vfprintf
= ((int (*)( void *, const char *fmt
, va_list ))(vfprintf
));
4428 i
->cb_fflush
= ((int (*)( void *))(fflush
));
4429 i
->cb_fgets
= ((char * (*)( char *, int, void *))(fgets
));
4431 /* Note that we can create objects only after the
4432 * interpreter liveList and freeList pointers are
4433 * initialized to NULL. */
4434 Jim_InitHashTable(&i
->commands
, &JimCommandsHashTableType
, i
);
4435 Jim_InitHashTable(&i
->references
, &JimReferencesHashTableType
, i
);
4436 Jim_InitHashTable(&i
->sharedStrings
, &JimSharedStringsHashTableType
,
4438 Jim_InitHashTable(&i
->stub
, &JimStringCopyHashTableType
, NULL
);
4439 Jim_InitHashTable(&i
->assocData
, &JimAssocDataHashTableType
, i
);
4440 Jim_InitHashTable(&i
->packages
, &JimStringKeyValCopyHashTableType
, NULL
);
4441 i
->framePtr
= i
->topFramePtr
= JimCreateCallFrame(i
);
4442 i
->emptyObj
= Jim_NewEmptyStringObj(i
);
4443 i
->result
= i
->emptyObj
;
4444 i
->stackTrace
= Jim_NewListObj(i
, NULL
, 0);
4445 i
->unknown
= Jim_NewStringObj(i
, "unknown", -1);
4446 i
->unknown_called
= 0;
4447 Jim_IncrRefCount(i
->emptyObj
);
4448 Jim_IncrRefCount(i
->result
);
4449 Jim_IncrRefCount(i
->stackTrace
);
4450 Jim_IncrRefCount(i
->unknown
);
4452 /* Initialize key variables every interpreter should contain */
4453 pathPtr
= Jim_NewStringObj(i
, "./", -1);
4454 Jim_SetVariableStr(i
, "jim_libpath", pathPtr
);
4455 Jim_SetVariableStrWithStr(i
, "jim_interactive", "0");
4457 /* Export the core API to extensions */
4458 JimRegisterCoreApi(i
);
4462 /* This is the only function Jim exports directly without
4463 * to use the STUB system. It is only used by embedders
4464 * in order to get an interpreter with the Jim API pointers
4466 Jim_Interp
*ExportedJimCreateInterp(void)
4468 return Jim_CreateInterp();
4471 void Jim_FreeInterp(Jim_Interp
*i
)
4473 Jim_CallFrame
*cf
= i
->framePtr
, *prevcf
, *nextcf
;
4474 Jim_Obj
*objPtr
, *nextObjPtr
;
4476 Jim_DecrRefCount(i
, i
->emptyObj
);
4477 Jim_DecrRefCount(i
, i
->result
);
4478 Jim_DecrRefCount(i
, i
->stackTrace
);
4479 Jim_DecrRefCount(i
, i
->unknown
);
4480 Jim_Free((void*)i
->errorFileName
);
4481 Jim_Free((void*)i
->scriptFileName
);
4482 Jim_FreeHashTable(&i
->commands
);
4483 Jim_FreeHashTable(&i
->references
);
4484 Jim_FreeHashTable(&i
->stub
);
4485 Jim_FreeHashTable(&i
->assocData
);
4486 Jim_FreeHashTable(&i
->packages
);
4487 Jim_Free(i
->prngState
);
4488 /* Free the call frames list */
4490 prevcf
= cf
->parentCallFrame
;
4491 JimFreeCallFrame(i
, cf
, JIM_FCF_NONE
);
4494 /* Check that the live object list is empty, otherwise
4495 * there is a memory leak. */
4496 if (i
->liveList
!= NULL
) {
4497 Jim_Obj
*objPtr
= i
->liveList
;
4499 Jim_fprintf( i
, i
->cookie_stdout
,JIM_NL
"-------------------------------------" JIM_NL
);
4500 Jim_fprintf( i
, i
->cookie_stdout
,"Objects still in the free list:" JIM_NL
);
4502 const char *type
= objPtr
->typePtr
?
4503 objPtr
->typePtr
->name
: "";
4504 Jim_fprintf( i
, i
->cookie_stdout
,"%p \"%-10s\": '%.20s' (refCount: %d)" JIM_NL
,
4506 objPtr
->bytes
? objPtr
->bytes
4507 : "(null)", objPtr
->refCount
);
4508 if (objPtr
->typePtr
== &sourceObjType
) {
4509 Jim_fprintf( i
, i
->cookie_stdout
, "FILE %s LINE %d" JIM_NL
,
4510 objPtr
->internalRep
.sourceValue
.fileName
,
4511 objPtr
->internalRep
.sourceValue
.lineNumber
);
4513 objPtr
= objPtr
->nextObjPtr
;
4515 Jim_fprintf( i
, i
->cookie_stdout
, "-------------------------------------" JIM_NL JIM_NL
);
4516 Jim_Panic(i
,"Live list non empty freeing the interpreter! Leak?");
4518 /* Free all the freed objects. */
4519 objPtr
= i
->freeList
;
4521 nextObjPtr
= objPtr
->nextObjPtr
;
4523 objPtr
= nextObjPtr
;
4525 /* Free cached CallFrame structures */
4526 cf
= i
->freeFramesList
;
4528 nextcf
= cf
->nextFramePtr
;
4529 if (cf
->vars
.table
!= NULL
)
4530 Jim_Free(cf
->vars
.table
);
4534 /* Free the sharedString hash table. Make sure to free it
4535 * after every other Jim_Object was freed. */
4536 Jim_FreeHashTable(&i
->sharedStrings
);
4537 /* Free the interpreter structure. */
4541 /* Store the call frame relative to the level represented by
4542 * levelObjPtr into *framePtrPtr. If levelObjPtr == NULL, the
4543 * level is assumed to be '1'.
4545 * If a newLevelptr int pointer is specified, the function stores
4546 * the absolute level integer value of the new target callframe into
4547 * *newLevelPtr. (this is used to adjust interp->numLevels
4548 * in the implementation of [uplevel], so that [info level] will
4549 * return a correct information).
4551 * This function accepts the 'level' argument in the form
4552 * of the commands [uplevel] and [upvar].
4554 * For a function accepting a relative integer as level suitable
4555 * for implementation of [info level ?level?] check the
4556 * GetCallFrameByInteger() function. */
4557 int Jim_GetCallFrameByLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4558 Jim_CallFrame
**framePtrPtr
, int *newLevelPtr
)
4562 Jim_CallFrame
*framePtr
;
4564 if (newLevelPtr
) *newLevelPtr
= interp
->numLevels
;
4566 str
= Jim_GetString(levelObjPtr
, NULL
);
4567 if (str
[0] == '#') {
4569 /* speedup for the toplevel (level #0) */
4570 if (str
[1] == '0' && str
[2] == '\0') {
4571 if (newLevelPtr
) *newLevelPtr
= 0;
4572 *framePtrPtr
= interp
->topFramePtr
;
4576 level
= strtol(str
+1, &endptr
, 0);
4577 if (str
[1] == '\0' || endptr
[0] != '\0' || level
< 0)
4579 /* An 'absolute' level is converted into the
4580 * 'number of levels to go back' format. */
4581 level
= interp
->numLevels
- level
;
4582 if (level
< 0) goto badlevel
;
4584 if (Jim_GetLong(interp
, levelObjPtr
, &level
) != JIM_OK
|| level
< 0)
4588 str
= "1"; /* Needed to format the error message. */
4592 framePtr
= interp
->framePtr
;
4593 if (newLevelPtr
) *newLevelPtr
= (*newLevelPtr
)-level
;
4595 framePtr
= framePtr
->parentCallFrame
;
4596 if (framePtr
== NULL
) goto badlevel
;
4598 *framePtrPtr
= framePtr
;
4601 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4602 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4603 "bad level \"", str
, "\"", NULL
);
4607 /* Similar to Jim_GetCallFrameByLevel() but the level is specified
4608 * as a relative integer like in the [info level ?level?] command. */
4609 static int JimGetCallFrameByInteger(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4610 Jim_CallFrame
**framePtrPtr
)
4613 jim_wide relLevel
; /* level relative to the current one. */
4614 Jim_CallFrame
*framePtr
;
4616 if (Jim_GetWide(interp
, levelObjPtr
, &level
) != JIM_OK
)
4619 /* An 'absolute' level is converted into the
4620 * 'number of levels to go back' format. */
4621 relLevel
= interp
->numLevels
- level
;
4626 framePtr
= interp
->framePtr
;
4627 while (relLevel
--) {
4628 framePtr
= framePtr
->parentCallFrame
;
4629 if (framePtr
== NULL
) goto badlevel
;
4631 *framePtrPtr
= framePtr
;
4634 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4635 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4636 "bad level \"", Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
4640 static void JimSetErrorFileName(Jim_Interp
*interp
, char *filename
)
4642 Jim_Free((void*)interp
->errorFileName
);
4643 interp
->errorFileName
= Jim_StrDup(filename
);
4646 static void JimSetErrorLineNumber(Jim_Interp
*interp
, int linenr
)
4648 interp
->errorLine
= linenr
;
4651 static void JimResetStackTrace(Jim_Interp
*interp
)
4653 Jim_DecrRefCount(interp
, interp
->stackTrace
);
4654 interp
->stackTrace
= Jim_NewListObj(interp
, NULL
, 0);
4655 Jim_IncrRefCount(interp
->stackTrace
);
4658 static void JimAppendStackTrace(Jim_Interp
*interp
, const char *procname
,
4659 const char *filename
, int linenr
)
4661 /* No need to add this dummy entry to the stack trace */
4662 if (strcmp(procname
, "unknown") == 0) {
4666 if (Jim_IsShared(interp
->stackTrace
)) {
4667 interp
->stackTrace
=
4668 Jim_DuplicateObj(interp
, interp
->stackTrace
);
4669 Jim_IncrRefCount(interp
->stackTrace
);
4671 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4672 Jim_NewStringObj(interp
, procname
, -1));
4673 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4674 Jim_NewStringObj(interp
, filename
, -1));
4675 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4676 Jim_NewIntObj(interp
, linenr
));
4679 int Jim_SetAssocData(Jim_Interp
*interp
, const char *key
, Jim_InterpDeleteProc
*delProc
, void *data
)
4681 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)Jim_Alloc(sizeof(AssocDataValue
));
4682 assocEntryPtr
->delProc
= delProc
;
4683 assocEntryPtr
->data
= data
;
4684 return Jim_AddHashEntry(&interp
->assocData
, key
, assocEntryPtr
);
4687 void *Jim_GetAssocData(Jim_Interp
*interp
, const char *key
)
4689 Jim_HashEntry
*entryPtr
= Jim_FindHashEntry(&interp
->assocData
, key
);
4690 if (entryPtr
!= NULL
) {
4691 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)entryPtr
->val
;
4692 return assocEntryPtr
->data
;
4697 int Jim_DeleteAssocData(Jim_Interp
*interp
, const char *key
)
4699 return Jim_DeleteHashEntry(&interp
->assocData
, key
);
4702 int Jim_GetExitCode(Jim_Interp
*interp
) {
4703 return interp
->exitCode
;
4706 void *Jim_SetStdin(Jim_Interp
*interp
, void *fp
)
4708 if (fp
!= NULL
) interp
->cookie_stdin
= fp
;
4709 return interp
->cookie_stdin
;
4712 void *Jim_SetStdout(Jim_Interp
*interp
, void *fp
)
4714 if (fp
!= NULL
) interp
->cookie_stdout
= fp
;
4715 return interp
->cookie_stdout
;
4718 void *Jim_SetStderr(Jim_Interp
*interp
, void *fp
)
4720 if (fp
!= NULL
) interp
->cookie_stderr
= fp
;
4721 return interp
->cookie_stderr
;
4724 /* -----------------------------------------------------------------------------
4726 * Every interpreter has an hash table where to put shared dynamically
4727 * allocate strings that are likely to be used a lot of times.
4728 * For example, in the 'source' object type, there is a pointer to
4729 * the filename associated with that object. Every script has a lot
4730 * of this objects with the identical file name, so it is wise to share
4733 * The API is trivial: Jim_GetSharedString(interp, "foobar")
4734 * returns the pointer to the shared string. Every time a reference
4735 * to the string is no longer used, the user should call
4736 * Jim_ReleaseSharedString(interp, stringPointer). Once no one is using
4737 * a given string, it is removed from the hash table.
4738 * ---------------------------------------------------------------------------*/
4739 const char *Jim_GetSharedString(Jim_Interp
*interp
, const char *str
)
4741 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4744 char *strCopy
= Jim_StrDup(str
);
4746 Jim_AddHashEntry(&interp
->sharedStrings
, strCopy
, (void*)1);
4749 long refCount
= (long) he
->val
;
4752 he
->val
= (void*) refCount
;
4757 void Jim_ReleaseSharedString(Jim_Interp
*interp
, const char *str
)
4760 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4763 Jim_Panic(interp
,"Jim_ReleaseSharedString called with "
4764 "unknown shared string '%s'", str
);
4765 refCount
= (long) he
->val
;
4767 if (refCount
== 0) {
4768 Jim_DeleteHashEntry(&interp
->sharedStrings
, str
);
4770 he
->val
= (void*) refCount
;
4774 /* -----------------------------------------------------------------------------
4776 * ---------------------------------------------------------------------------*/
4777 #define JIM_INTEGER_SPACE 24
4779 static void UpdateStringOfInt(struct Jim_Obj
*objPtr
);
4780 static int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
);
4782 static Jim_ObjType intObjType
= {
4790 void UpdateStringOfInt(struct Jim_Obj
*objPtr
)
4793 char buf
[JIM_INTEGER_SPACE
+1];
4795 len
= Jim_WideToString(buf
, objPtr
->internalRep
.wideValue
);
4796 objPtr
->bytes
= Jim_Alloc(len
+1);
4797 memcpy(objPtr
->bytes
, buf
, len
+1);
4798 objPtr
->length
= len
;
4801 int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
4806 /* Get the string representation */
4807 str
= Jim_GetString(objPtr
, NULL
);
4808 /* Try to convert into a jim_wide */
4809 if (Jim_StringToWide(str
, &wideValue
, 0) != JIM_OK
) {
4810 if (flags
& JIM_ERRMSG
) {
4811 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4812 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4813 "expected integer but got \"", str
, "\"", NULL
);
4817 if ((wideValue
== JIM_WIDE_MIN
|| wideValue
== JIM_WIDE_MAX
) &&
4819 Jim_SetResultString(interp
,
4820 "Integer value too big to be represented", -1);
4823 /* Free the old internal repr and set the new one. */
4824 Jim_FreeIntRep(interp
, objPtr
);
4825 objPtr
->typePtr
= &intObjType
;
4826 objPtr
->internalRep
.wideValue
= wideValue
;
4830 int Jim_GetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide
*widePtr
)
4832 if (objPtr
->typePtr
!= &intObjType
&&
4833 SetIntFromAny(interp
, objPtr
, JIM_ERRMSG
) == JIM_ERR
)
4835 *widePtr
= objPtr
->internalRep
.wideValue
;
4839 /* Get a wide but does not set an error if the format is bad. */
4840 static int JimGetWideNoErr(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
4843 if (objPtr
->typePtr
!= &intObjType
&&
4844 SetIntFromAny(interp
, objPtr
, JIM_NONE
) == JIM_ERR
)
4846 *widePtr
= objPtr
->internalRep
.wideValue
;
4850 int Jim_GetLong(Jim_Interp
*interp
, Jim_Obj
*objPtr
, long *longPtr
)
4855 retval
= Jim_GetWide(interp
, objPtr
, &wideValue
);
4856 if (retval
== JIM_OK
) {
4857 *longPtr
= (long) wideValue
;
4863 void Jim_SetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide wideValue
)
4865 if (Jim_IsShared(objPtr
))
4866 Jim_Panic(interp
,"Jim_SetWide called with shared object");
4867 if (objPtr
->typePtr
!= &intObjType
) {
4868 Jim_FreeIntRep(interp
, objPtr
);
4869 objPtr
->typePtr
= &intObjType
;
4871 Jim_InvalidateStringRep(objPtr
);
4872 objPtr
->internalRep
.wideValue
= wideValue
;
4875 Jim_Obj
*Jim_NewIntObj(Jim_Interp
*interp
, jim_wide wideValue
)
4879 objPtr
= Jim_NewObj(interp
);
4880 objPtr
->typePtr
= &intObjType
;
4881 objPtr
->bytes
= NULL
;
4882 objPtr
->internalRep
.wideValue
= wideValue
;
4886 /* -----------------------------------------------------------------------------
4888 * ---------------------------------------------------------------------------*/
4889 #define JIM_DOUBLE_SPACE 30
4891 static void UpdateStringOfDouble(struct Jim_Obj
*objPtr
);
4892 static int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4894 static Jim_ObjType doubleObjType
= {
4898 UpdateStringOfDouble
,
4902 void UpdateStringOfDouble(struct Jim_Obj
*objPtr
)
4905 char buf
[JIM_DOUBLE_SPACE
+1];
4907 len
= Jim_DoubleToString(buf
, objPtr
->internalRep
.doubleValue
);
4908 objPtr
->bytes
= Jim_Alloc(len
+1);
4909 memcpy(objPtr
->bytes
, buf
, len
+1);
4910 objPtr
->length
= len
;
4913 int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4918 /* Get the string representation */
4919 str
= Jim_GetString(objPtr
, NULL
);
4920 /* Try to convert into a double */
4921 if (Jim_StringToDouble(str
, &doubleValue
) != JIM_OK
) {
4922 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4923 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4924 "expected number but got '", str
, "'", NULL
);
4927 /* Free the old internal repr and set the new one. */
4928 Jim_FreeIntRep(interp
, objPtr
);
4929 objPtr
->typePtr
= &doubleObjType
;
4930 objPtr
->internalRep
.doubleValue
= doubleValue
;
4934 int Jim_GetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double *doublePtr
)
4936 if (objPtr
->typePtr
!= &doubleObjType
&&
4937 SetDoubleFromAny(interp
, objPtr
) == JIM_ERR
)
4939 *doublePtr
= objPtr
->internalRep
.doubleValue
;
4943 void Jim_SetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double doubleValue
)
4945 if (Jim_IsShared(objPtr
))
4946 Jim_Panic(interp
,"Jim_SetDouble called with shared object");
4947 if (objPtr
->typePtr
!= &doubleObjType
) {
4948 Jim_FreeIntRep(interp
, objPtr
);
4949 objPtr
->typePtr
= &doubleObjType
;
4951 Jim_InvalidateStringRep(objPtr
);
4952 objPtr
->internalRep
.doubleValue
= doubleValue
;
4955 Jim_Obj
*Jim_NewDoubleObj(Jim_Interp
*interp
, double doubleValue
)
4959 objPtr
= Jim_NewObj(interp
);
4960 objPtr
->typePtr
= &doubleObjType
;
4961 objPtr
->bytes
= NULL
;
4962 objPtr
->internalRep
.doubleValue
= doubleValue
;
4966 /* -----------------------------------------------------------------------------
4968 * ---------------------------------------------------------------------------*/
4969 static void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
);
4970 static void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4971 static void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
4972 static void UpdateStringOfList(struct Jim_Obj
*objPtr
);
4973 static int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
4975 /* Note that while the elements of the list may contain references,
4976 * the list object itself can't. This basically means that the
4977 * list object string representation as a whole can't contain references
4978 * that are not presents in the single elements. */
4979 static Jim_ObjType listObjType
= {
4981 FreeListInternalRep
,
4987 void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4991 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
4992 Jim_DecrRefCount(interp
, objPtr
->internalRep
.listValue
.ele
[i
]);
4994 Jim_Free(objPtr
->internalRep
.listValue
.ele
);
4997 void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5000 JIM_NOTUSED(interp
);
5002 dupPtr
->internalRep
.listValue
.len
= srcPtr
->internalRep
.listValue
.len
;
5003 dupPtr
->internalRep
.listValue
.maxLen
= srcPtr
->internalRep
.listValue
.maxLen
;
5004 dupPtr
->internalRep
.listValue
.ele
=
5005 Jim_Alloc(sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.maxLen
);
5006 memcpy(dupPtr
->internalRep
.listValue
.ele
, srcPtr
->internalRep
.listValue
.ele
,
5007 sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.len
);
5008 for (i
= 0; i
< dupPtr
->internalRep
.listValue
.len
; i
++) {
5009 Jim_IncrRefCount(dupPtr
->internalRep
.listValue
.ele
[i
]);
5011 dupPtr
->typePtr
= &listObjType
;
5014 /* The following function checks if a given string can be encoded
5015 * into a list element without any kind of quoting, surrounded by braces,
5016 * or using escapes to quote. */
5017 #define JIM_ELESTR_SIMPLE 0
5018 #define JIM_ELESTR_BRACE 1
5019 #define JIM_ELESTR_QUOTE 2
5020 static int ListElementQuotingType(const char *s
, int len
)
5022 int i
, level
, trySimple
= 1;
5024 /* Try with the SIMPLE case */
5025 if (len
== 0) return JIM_ELESTR_BRACE
;
5026 if (s
[0] == '"' || s
[0] == '{') {
5030 for (i
= 0; i
< len
; i
++) {
5050 return JIM_ELESTR_SIMPLE
;
5053 /* Test if it's possible to do with braces */
5054 if (s
[len
-1] == '\\' ||
5055 s
[len
-1] == ']') return JIM_ELESTR_QUOTE
;
5057 for (i
= 0; i
< len
; i
++) {
5059 case '{': level
++; break;
5061 if (level
< 0) return JIM_ELESTR_QUOTE
;
5065 return JIM_ELESTR_QUOTE
;
5067 if (s
[i
+1] != '\0') i
++;
5072 if (!trySimple
) return JIM_ELESTR_BRACE
;
5073 for (i
= 0; i
< len
; i
++) {
5087 return JIM_ELESTR_BRACE
;
5091 return JIM_ELESTR_SIMPLE
;
5093 return JIM_ELESTR_QUOTE
;
5096 /* Returns the malloc-ed representation of a string
5097 * using backslash to quote special chars. */
5098 char *BackslashQuoteString(const char *s
, int len
, int *qlenPtr
)
5100 char *q
= Jim_Alloc(len
*2+1), *p
;
5117 case '\n': *p
++ = '\\'; *p
++ = 'n'; s
++; break;
5118 case '\r': *p
++ = '\\'; *p
++ = 'r'; s
++; break;
5119 case '\t': *p
++ = '\\'; *p
++ = 't'; s
++; break;
5120 case '\f': *p
++ = '\\'; *p
++ = 'f'; s
++; break;
5121 case '\v': *p
++ = '\\'; *p
++ = 'v'; s
++; break;
5132 void UpdateStringOfList(struct Jim_Obj
*objPtr
)
5134 int i
, bufLen
, realLength
;
5138 Jim_Obj
**ele
= objPtr
->internalRep
.listValue
.ele
;
5140 /* (Over) Estimate the space needed. */
5141 quotingType
= Jim_Alloc(sizeof(int)*objPtr
->internalRep
.listValue
.len
+1);
5143 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5146 strRep
= Jim_GetString(ele
[i
], &len
);
5147 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5148 switch (quotingType
[i
]) {
5149 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5150 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5151 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5153 bufLen
++; /* elements separator. */
5157 /* Generate the string rep. */
5158 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5160 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5162 const char *strRep
= Jim_GetString(ele
[i
], &len
);
5165 switch(quotingType
[i
]) {
5166 case JIM_ELESTR_SIMPLE
:
5167 memcpy(p
, strRep
, len
);
5171 case JIM_ELESTR_BRACE
:
5173 memcpy(p
, strRep
, len
);
5176 realLength
+= len
+2;
5178 case JIM_ELESTR_QUOTE
:
5179 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5186 /* Add a separating space */
5187 if (i
+1 != objPtr
->internalRep
.listValue
.len
) {
5192 *p
= '\0'; /* nul term. */
5193 objPtr
->length
= realLength
;
5194 Jim_Free(quotingType
);
5197 int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5199 struct JimParserCtx parser
;
5203 /* Get the string representation */
5204 str
= Jim_GetString(objPtr
, &strLen
);
5206 /* Free the old internal repr just now and initialize the
5207 * new one just now. The string->list conversion can't fail. */
5208 Jim_FreeIntRep(interp
, objPtr
);
5209 objPtr
->typePtr
= &listObjType
;
5210 objPtr
->internalRep
.listValue
.len
= 0;
5211 objPtr
->internalRep
.listValue
.maxLen
= 0;
5212 objPtr
->internalRep
.listValue
.ele
= NULL
;
5214 /* Convert into a list */
5215 JimParserInit(&parser
, str
, strLen
, 1);
5216 while(!JimParserEof(&parser
)) {
5219 Jim_Obj
*elementPtr
;
5221 JimParseList(&parser
);
5222 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5223 JimParserTtype(&parser
) != JIM_TT_ESC
)
5225 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5226 elementPtr
= Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5227 ListAppendElement(objPtr
, elementPtr
);
5232 Jim_Obj
*Jim_NewListObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
,
5238 objPtr
= Jim_NewObj(interp
);
5239 objPtr
->typePtr
= &listObjType
;
5240 objPtr
->bytes
= NULL
;
5241 objPtr
->internalRep
.listValue
.ele
= NULL
;
5242 objPtr
->internalRep
.listValue
.len
= 0;
5243 objPtr
->internalRep
.listValue
.maxLen
= 0;
5244 for (i
= 0; i
< len
; i
++) {
5245 ListAppendElement(objPtr
, elements
[i
]);
5250 /* Return a vector of Jim_Obj with the elements of a Jim list, and the
5251 * length of the vector. Note that the user of this function should make
5252 * sure that the list object can't shimmer while the vector returned
5253 * is in use, this vector is the one stored inside the internal representation
5254 * of the list object. This function is not exported, extensions should
5255 * always access to the List object elements using Jim_ListIndex(). */
5256 static void JimListGetElements(Jim_Interp
*interp
, Jim_Obj
*listObj
, int *argc
,
5259 Jim_ListLength(interp
, listObj
, argc
);
5260 assert(listObj
->typePtr
== &listObjType
);
5261 *listVec
= listObj
->internalRep
.listValue
.ele
;
5264 /* ListSortElements type values */
5265 enum {JIM_LSORT_ASCII
, JIM_LSORT_NOCASE
, JIM_LSORT_ASCII_DECR
,
5266 JIM_LSORT_NOCASE_DECR
};
5268 /* Sort the internal rep of a list. */
5269 static int ListSortString(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5271 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0);
5274 static int ListSortStringDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5276 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0) * -1;
5279 static int ListSortStringNoCase(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5281 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1);
5284 static int ListSortStringNoCaseDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5286 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1) * -1;
5289 /* Sort a list *in place*. MUST be called with non-shared objects. */
5290 static void ListSortElements(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, int type
)
5292 typedef int (qsort_comparator
)(const void *, const void *);
5293 int (*fn
)(Jim_Obj
**, Jim_Obj
**);
5297 if (Jim_IsShared(listObjPtr
))
5298 Jim_Panic(interp
,"Jim_ListSortElements called with shared object");
5299 if (listObjPtr
->typePtr
!= &listObjType
)
5300 SetListFromAny(interp
, listObjPtr
);
5302 vector
= listObjPtr
->internalRep
.listValue
.ele
;
5303 len
= listObjPtr
->internalRep
.listValue
.len
;
5305 case JIM_LSORT_ASCII
: fn
= ListSortString
; break;
5306 case JIM_LSORT_NOCASE
: fn
= ListSortStringNoCase
; break;
5307 case JIM_LSORT_ASCII_DECR
: fn
= ListSortStringDecr
; break;
5308 case JIM_LSORT_NOCASE_DECR
: fn
= ListSortStringNoCaseDecr
; break;
5310 fn
= NULL
; /* avoid warning */
5311 Jim_Panic(interp
,"ListSort called with invalid sort type");
5313 qsort(vector
, len
, sizeof(Jim_Obj
*), (qsort_comparator
*)fn
);
5314 Jim_InvalidateStringRep(listObjPtr
);
5317 /* This is the low-level function to append an element to a list.
5318 * The higher-level Jim_ListAppendElement() performs shared object
5319 * check and invalidate the string repr. This version is used
5320 * in the internals of the List Object and is not exported.
5322 * NOTE: this function can be called only against objects
5323 * with internal type of List. */
5324 void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5326 int requiredLen
= listPtr
->internalRep
.listValue
.len
+ 1;
5328 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5329 int maxLen
= requiredLen
* 2;
5331 listPtr
->internalRep
.listValue
.ele
=
5332 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5333 sizeof(Jim_Obj
*)*maxLen
);
5334 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5336 listPtr
->internalRep
.listValue
.ele
[listPtr
->internalRep
.listValue
.len
] =
5338 listPtr
->internalRep
.listValue
.len
++;
5339 Jim_IncrRefCount(objPtr
);
5342 /* This is the low-level function to insert elements into a list.
5343 * The higher-level Jim_ListInsertElements() performs shared object
5344 * check and invalidate the string repr. This version is used
5345 * in the internals of the List Object and is not exported.
5347 * NOTE: this function can be called only against objects
5348 * with internal type of List. */
5349 void ListInsertElements(Jim_Obj
*listPtr
, int index
, int elemc
,
5350 Jim_Obj
*const *elemVec
)
5352 int currentLen
= listPtr
->internalRep
.listValue
.len
;
5353 int requiredLen
= currentLen
+ elemc
;
5357 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5358 int maxLen
= requiredLen
* 2;
5360 listPtr
->internalRep
.listValue
.ele
=
5361 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5362 sizeof(Jim_Obj
*)*maxLen
);
5363 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5365 point
= listPtr
->internalRep
.listValue
.ele
+ index
;
5366 memmove(point
+elemc
, point
, (currentLen
-index
) * sizeof(Jim_Obj
*));
5367 for (i
=0; i
< elemc
; ++i
) {
5368 point
[i
] = elemVec
[i
];
5369 Jim_IncrRefCount(point
[i
]);
5371 listPtr
->internalRep
.listValue
.len
+= elemc
;
5374 /* Appends every element of appendListPtr into listPtr.
5375 * Both have to be of the list type. */
5376 void ListAppendList(Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5378 int i
, oldLen
= listPtr
->internalRep
.listValue
.len
;
5379 int appendLen
= appendListPtr
->internalRep
.listValue
.len
;
5380 int requiredLen
= oldLen
+ appendLen
;
5382 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5383 int maxLen
= requiredLen
* 2;
5385 listPtr
->internalRep
.listValue
.ele
=
5386 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5387 sizeof(Jim_Obj
*)*maxLen
);
5388 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5390 for (i
= 0; i
< appendLen
; i
++) {
5391 Jim_Obj
*objPtr
= appendListPtr
->internalRep
.listValue
.ele
[i
];
5392 listPtr
->internalRep
.listValue
.ele
[oldLen
+i
] = objPtr
;
5393 Jim_IncrRefCount(objPtr
);
5395 listPtr
->internalRep
.listValue
.len
+= appendLen
;
5398 void Jim_ListAppendElement(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5400 if (Jim_IsShared(listPtr
))
5401 Jim_Panic(interp
,"Jim_ListAppendElement called with shared object");
5402 if (listPtr
->typePtr
!= &listObjType
)
5403 SetListFromAny(interp
, listPtr
);
5404 Jim_InvalidateStringRep(listPtr
);
5405 ListAppendElement(listPtr
, objPtr
);
5408 void Jim_ListAppendList(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5410 if (Jim_IsShared(listPtr
))
5411 Jim_Panic(interp
,"Jim_ListAppendList called with shared object");
5412 if (listPtr
->typePtr
!= &listObjType
)
5413 SetListFromAny(interp
, listPtr
);
5414 Jim_InvalidateStringRep(listPtr
);
5415 ListAppendList(listPtr
, appendListPtr
);
5418 void Jim_ListLength(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int *intPtr
)
5420 if (listPtr
->typePtr
!= &listObjType
)
5421 SetListFromAny(interp
, listPtr
);
5422 *intPtr
= listPtr
->internalRep
.listValue
.len
;
5425 void Jim_ListInsertElements(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5426 int objc
, Jim_Obj
*const *objVec
)
5428 if (Jim_IsShared(listPtr
))
5429 Jim_Panic(interp
,"Jim_ListInsertElement called with shared object");
5430 if (listPtr
->typePtr
!= &listObjType
)
5431 SetListFromAny(interp
, listPtr
);
5432 if (index
>= 0 && index
> listPtr
->internalRep
.listValue
.len
)
5433 index
= listPtr
->internalRep
.listValue
.len
;
5434 else if (index
< 0 )
5436 Jim_InvalidateStringRep(listPtr
);
5437 ListInsertElements(listPtr
, index
, objc
, objVec
);
5440 int Jim_ListIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5441 Jim_Obj
**objPtrPtr
, int flags
)
5443 if (listPtr
->typePtr
!= &listObjType
)
5444 SetListFromAny(interp
, listPtr
);
5445 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5446 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5447 if (flags
& JIM_ERRMSG
) {
5448 Jim_SetResultString(interp
,
5449 "list index out of range", -1);
5454 index
= listPtr
->internalRep
.listValue
.len
+index
;
5455 *objPtrPtr
= listPtr
->internalRep
.listValue
.ele
[index
];
5459 static int ListSetIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5460 Jim_Obj
*newObjPtr
, int flags
)
5462 if (listPtr
->typePtr
!= &listObjType
)
5463 SetListFromAny(interp
, listPtr
);
5464 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5465 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5466 if (flags
& JIM_ERRMSG
) {
5467 Jim_SetResultString(interp
,
5468 "list index out of range", -1);
5473 index
= listPtr
->internalRep
.listValue
.len
+index
;
5474 Jim_DecrRefCount(interp
, listPtr
->internalRep
.listValue
.ele
[index
]);
5475 listPtr
->internalRep
.listValue
.ele
[index
] = newObjPtr
;
5476 Jim_IncrRefCount(newObjPtr
);
5480 /* Modify the list stored into the variable named 'varNamePtr'
5481 * setting the element specified by the 'indexc' indexes objects in 'indexv',
5482 * with the new element 'newObjptr'. */
5483 int Jim_SetListIndex(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5484 Jim_Obj
*const *indexv
, int indexc
, Jim_Obj
*newObjPtr
)
5486 Jim_Obj
*varObjPtr
, *objPtr
, *listObjPtr
;
5487 int shared
, i
, index
;
5489 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5492 if ((shared
= Jim_IsShared(objPtr
)))
5493 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5494 for (i
= 0; i
< indexc
-1; i
++) {
5495 listObjPtr
= objPtr
;
5496 if (Jim_GetIndex(interp
, indexv
[i
], &index
) != JIM_OK
)
5498 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
5499 JIM_ERRMSG
) != JIM_OK
) {
5502 if (Jim_IsShared(objPtr
)) {
5503 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5504 ListSetIndex(interp
, listObjPtr
, index
, objPtr
, JIM_NONE
);
5506 Jim_InvalidateStringRep(listObjPtr
);
5508 if (Jim_GetIndex(interp
, indexv
[indexc
-1], &index
) != JIM_OK
)
5510 if (ListSetIndex(interp
, objPtr
, index
, newObjPtr
, JIM_ERRMSG
) == JIM_ERR
)
5512 Jim_InvalidateStringRep(objPtr
);
5513 Jim_InvalidateStringRep(varObjPtr
);
5514 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5516 Jim_SetResult(interp
, varObjPtr
);
5520 Jim_FreeNewObj(interp
, varObjPtr
);
5525 Jim_Obj
*Jim_ConcatObj(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
5529 /* If all the objects in objv are lists without string rep.
5530 * it's possible to return a list as result, that's the
5531 * concatenation of all the lists. */
5532 for (i
= 0; i
< objc
; i
++) {
5533 if (objv
[i
]->typePtr
!= &listObjType
|| objv
[i
]->bytes
)
5537 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
5538 for (i
= 0; i
< objc
; i
++)
5539 Jim_ListAppendList(interp
, objPtr
, objv
[i
]);
5542 /* Else... we have to glue strings together */
5543 int len
= 0, objLen
;
5546 /* Compute the length */
5547 for (i
= 0; i
< objc
; i
++) {
5548 Jim_GetString(objv
[i
], &objLen
);
5551 if (objc
) len
+= objc
-1;
5552 /* Create the string rep, and a stinrg object holding it. */
5553 p
= bytes
= Jim_Alloc(len
+1);
5554 for (i
= 0; i
< objc
; i
++) {
5555 const char *s
= Jim_GetString(objv
[i
], &objLen
);
5556 while (objLen
&& (*s
== ' ' || *s
== '\t' || *s
== '\n'))
5558 s
++; objLen
--; len
--;
5560 while (objLen
&& (s
[objLen
-1] == ' ' ||
5561 s
[objLen
-1] == '\n' || s
[objLen
-1] == '\t')) {
5564 memcpy(p
, s
, objLen
);
5566 if (objLen
&& i
+1 != objc
) {
5568 } else if (i
+1 != objc
) {
5569 /* Drop the space calcuated for this
5570 * element that is instead null. */
5575 return Jim_NewStringObjNoAlloc(interp
, bytes
, len
);
5579 /* Returns a list composed of the elements in the specified range.
5580 * first and start are directly accepted as Jim_Objects and
5581 * processed for the end?-index? case. */
5582 Jim_Obj
*Jim_ListRange(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
5587 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
5588 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
5590 Jim_ListLength(interp
, listObjPtr
, &len
); /* will convert into list */
5591 first
= JimRelToAbsIndex(len
, first
);
5592 last
= JimRelToAbsIndex(len
, last
);
5593 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
5594 return Jim_NewListObj(interp
,
5595 listObjPtr
->internalRep
.listValue
.ele
+first
, rangeLen
);
5598 /* -----------------------------------------------------------------------------
5600 * ---------------------------------------------------------------------------*/
5601 static void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
5602 static void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
5603 static void UpdateStringOfDict(struct Jim_Obj
*objPtr
);
5604 static int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5606 /* Dict HashTable Type.
5608 * Keys and Values are Jim objects. */
5610 unsigned int JimObjectHTHashFunction(const void *key
)
5613 Jim_Obj
*objPtr
= (Jim_Obj
*) key
;
5616 str
= Jim_GetString(objPtr
, &len
);
5617 h
= Jim_GenHashFunction((unsigned char*)str
, len
);
5621 int JimObjectHTKeyCompare(void *privdata
, const void *key1
, const void *key2
)
5623 JIM_NOTUSED(privdata
);
5625 return Jim_StringEqObj((Jim_Obj
*)key1
, (Jim_Obj
*)key2
, 0);
5628 static void JimObjectHTKeyValDestructor(void *interp
, void *val
)
5630 Jim_Obj
*objPtr
= val
;
5632 Jim_DecrRefCount(interp
, objPtr
);
5635 static Jim_HashTableType JimDictHashTableType
= {
5636 JimObjectHTHashFunction
, /* hash function */
5639 JimObjectHTKeyCompare
, /* key compare */
5640 (void(*)(void*, const void*)) /* ATTENTION: const cast */
5641 JimObjectHTKeyValDestructor
, /* key destructor */
5642 JimObjectHTKeyValDestructor
/* val destructor */
5645 /* Note that while the elements of the dict may contain references,
5646 * the list object itself can't. This basically means that the
5647 * dict object string representation as a whole can't contain references
5648 * that are not presents in the single elements. */
5649 static Jim_ObjType dictObjType
= {
5651 FreeDictInternalRep
,
5657 void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
5659 JIM_NOTUSED(interp
);
5661 Jim_FreeHashTable(objPtr
->internalRep
.ptr
);
5662 Jim_Free(objPtr
->internalRep
.ptr
);
5665 void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5667 Jim_HashTable
*ht
, *dupHt
;
5668 Jim_HashTableIterator
*htiter
;
5671 /* Create a new hash table */
5672 ht
= srcPtr
->internalRep
.ptr
;
5673 dupHt
= Jim_Alloc(sizeof(*dupHt
));
5674 Jim_InitHashTable(dupHt
, &JimDictHashTableType
, interp
);
5676 Jim_ExpandHashTable(dupHt
, ht
->size
);
5677 /* Copy every element from the source to the dup hash table */
5678 htiter
= Jim_GetHashTableIterator(ht
);
5679 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5680 const Jim_Obj
*keyObjPtr
= he
->key
;
5681 Jim_Obj
*valObjPtr
= he
->val
;
5683 Jim_IncrRefCount((Jim_Obj
*)keyObjPtr
); /* ATTENTION: const cast */
5684 Jim_IncrRefCount(valObjPtr
);
5685 Jim_AddHashEntry(dupHt
, keyObjPtr
, valObjPtr
);
5687 Jim_FreeHashTableIterator(htiter
);
5689 dupPtr
->internalRep
.ptr
= dupHt
;
5690 dupPtr
->typePtr
= &dictObjType
;
5693 void UpdateStringOfDict(struct Jim_Obj
*objPtr
)
5695 int i
, bufLen
, realLength
;
5698 int *quotingType
, objc
;
5700 Jim_HashTableIterator
*htiter
;
5704 /* Trun the hash table into a flat vector of Jim_Objects. */
5705 ht
= objPtr
->internalRep
.ptr
;
5707 objv
= Jim_Alloc(objc
*sizeof(Jim_Obj
*));
5708 htiter
= Jim_GetHashTableIterator(ht
);
5710 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5711 objv
[i
++] = (Jim_Obj
*)he
->key
; /* ATTENTION: const cast */
5712 objv
[i
++] = he
->val
;
5714 Jim_FreeHashTableIterator(htiter
);
5715 /* (Over) Estimate the space needed. */
5716 quotingType
= Jim_Alloc(sizeof(int)*objc
);
5718 for (i
= 0; i
< objc
; i
++) {
5721 strRep
= Jim_GetString(objv
[i
], &len
);
5722 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5723 switch (quotingType
[i
]) {
5724 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5725 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5726 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5728 bufLen
++; /* elements separator. */
5732 /* Generate the string rep. */
5733 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5735 for (i
= 0; i
< objc
; i
++) {
5737 const char *strRep
= Jim_GetString(objv
[i
], &len
);
5740 switch(quotingType
[i
]) {
5741 case JIM_ELESTR_SIMPLE
:
5742 memcpy(p
, strRep
, len
);
5746 case JIM_ELESTR_BRACE
:
5748 memcpy(p
, strRep
, len
);
5751 realLength
+= len
+2;
5753 case JIM_ELESTR_QUOTE
:
5754 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5761 /* Add a separating space */
5767 *p
= '\0'; /* nul term. */
5768 objPtr
->length
= realLength
;
5769 Jim_Free(quotingType
);
5773 int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5775 struct JimParserCtx parser
;
5781 /* Get the string representation */
5782 str
= Jim_GetString(objPtr
, &strLen
);
5784 /* Free the old internal repr just now and initialize the
5785 * new one just now. The string->list conversion can't fail. */
5786 Jim_FreeIntRep(interp
, objPtr
);
5787 ht
= Jim_Alloc(sizeof(*ht
));
5788 Jim_InitHashTable(ht
, &JimDictHashTableType
, interp
);
5789 objPtr
->typePtr
= &dictObjType
;
5790 objPtr
->internalRep
.ptr
= ht
;
5792 /* Convert into a dict */
5793 JimParserInit(&parser
, str
, strLen
, 1);
5795 while(!JimParserEof(&parser
)) {
5799 JimParseList(&parser
);
5800 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5801 JimParserTtype(&parser
) != JIM_TT_ESC
)
5803 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5804 objv
[i
++] = Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5807 Jim_IncrRefCount(objv
[0]);
5808 Jim_IncrRefCount(objv
[1]);
5809 if (Jim_AddHashEntry(ht
, objv
[0], objv
[1]) != JIM_OK
) {
5811 he
= Jim_FindHashEntry(ht
, objv
[0]);
5812 Jim_DecrRefCount(interp
, objv
[0]);
5813 /* ATTENTION: const cast */
5814 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5820 Jim_FreeNewObj(interp
, objv
[0]);
5821 objPtr
->typePtr
= NULL
;
5822 Jim_FreeHashTable(ht
);
5823 Jim_SetResultString(interp
, "invalid dictionary value: must be a list with an even number of elements", -1);
5829 /* Dict object API */
5831 /* Add an element to a dict. objPtr must be of the "dict" type.
5832 * The higer-level exported function is Jim_DictAddElement().
5833 * If an element with the specified key already exists, the value
5834 * associated is replaced with the new one.
5836 * if valueObjPtr == NULL, the key is instead removed if it exists. */
5837 static void DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5838 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5840 Jim_HashTable
*ht
= objPtr
->internalRep
.ptr
;
5842 if (valueObjPtr
== NULL
) { /* unset */
5843 Jim_DeleteHashEntry(ht
, keyObjPtr
);
5846 Jim_IncrRefCount(keyObjPtr
);
5847 Jim_IncrRefCount(valueObjPtr
);
5848 if (Jim_AddHashEntry(ht
, keyObjPtr
, valueObjPtr
) != JIM_OK
) {
5849 Jim_HashEntry
*he
= Jim_FindHashEntry(ht
, keyObjPtr
);
5850 Jim_DecrRefCount(interp
, keyObjPtr
);
5851 /* ATTENTION: const cast */
5852 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5853 he
->val
= valueObjPtr
;
5857 /* Add an element, higher-level interface for DictAddElement().
5858 * If valueObjPtr == NULL, the key is removed if it exists. */
5859 int Jim_DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5860 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5862 if (Jim_IsShared(objPtr
))
5863 Jim_Panic(interp
,"Jim_DictAddElement called with shared object");
5864 if (objPtr
->typePtr
!= &dictObjType
) {
5865 if (SetDictFromAny(interp
, objPtr
) != JIM_OK
)
5868 DictAddElement(interp
, objPtr
, keyObjPtr
, valueObjPtr
);
5869 Jim_InvalidateStringRep(objPtr
);
5873 Jim_Obj
*Jim_NewDictObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
, int len
)
5879 Jim_Panic(interp
,"Jim_NewDicObj() 'len' argument must be even");
5881 objPtr
= Jim_NewObj(interp
);
5882 objPtr
->typePtr
= &dictObjType
;
5883 objPtr
->bytes
= NULL
;
5884 objPtr
->internalRep
.ptr
= Jim_Alloc(sizeof(Jim_HashTable
));
5885 Jim_InitHashTable(objPtr
->internalRep
.ptr
, &JimDictHashTableType
, interp
);
5886 for (i
= 0; i
< len
; i
+= 2)
5887 DictAddElement(interp
, objPtr
, elements
[i
], elements
[i
+1]);
5891 /* Return the value associated to the specified dict key */
5892 int Jim_DictKey(Jim_Interp
*interp
, Jim_Obj
*dictPtr
, Jim_Obj
*keyPtr
,
5893 Jim_Obj
**objPtrPtr
, int flags
)
5898 if (dictPtr
->typePtr
!= &dictObjType
) {
5899 if (SetDictFromAny(interp
, dictPtr
) != JIM_OK
)
5902 ht
= dictPtr
->internalRep
.ptr
;
5903 if ((he
= Jim_FindHashEntry(ht
, keyPtr
)) == NULL
) {
5904 if (flags
& JIM_ERRMSG
) {
5905 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
5906 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
5907 "key \"", Jim_GetString(keyPtr
, NULL
),
5908 "\" not found in dictionary", NULL
);
5912 *objPtrPtr
= he
->val
;
5916 /* Return the value associated to the specified dict keys */
5917 int Jim_DictKeysVector(Jim_Interp
*interp
, Jim_Obj
*dictPtr
,
5918 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
**objPtrPtr
, int flags
)
5924 *objPtrPtr
= dictPtr
;
5928 for (i
= 0; i
< keyc
; i
++) {
5929 if (Jim_DictKey(interp
, dictPtr
, keyv
[i
], &objPtr
, flags
)
5934 *objPtrPtr
= objPtr
;
5938 /* Modify the dict stored into the variable named 'varNamePtr'
5939 * setting the element specified by the 'keyc' keys objects in 'keyv',
5940 * with the new value of the element 'newObjPtr'.
5942 * If newObjPtr == NULL the operation is to remove the given key
5943 * from the dictionary. */
5944 int Jim_SetDictKeysVector(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5945 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
*newObjPtr
)
5947 Jim_Obj
*varObjPtr
, *objPtr
, *dictObjPtr
;
5950 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5951 if (objPtr
== NULL
) {
5952 if (newObjPtr
== NULL
) /* Cannot remove a key from non existing var */
5954 varObjPtr
= objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5955 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
5956 Jim_FreeNewObj(interp
, varObjPtr
);
5960 if ((shared
= Jim_IsShared(objPtr
)))
5961 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5962 for (i
= 0; i
< keyc
-1; i
++) {
5963 dictObjPtr
= objPtr
;
5965 /* Check if it's a valid dictionary */
5966 if (dictObjPtr
->typePtr
!= &dictObjType
) {
5967 if (SetDictFromAny(interp
, dictObjPtr
) != JIM_OK
)
5970 /* Check if the given key exists. */
5971 Jim_InvalidateStringRep(dictObjPtr
);
5972 if (Jim_DictKey(interp
, dictObjPtr
, keyv
[i
], &objPtr
,
5973 newObjPtr
? JIM_NONE
: JIM_ERRMSG
) == JIM_OK
)
5975 /* This key exists at the current level.
5976 * Make sure it's not shared!. */
5977 if (Jim_IsShared(objPtr
)) {
5978 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5979 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5982 /* Key not found. If it's an [unset] operation
5983 * this is an error. Only the last key may not
5985 if (newObjPtr
== NULL
)
5987 /* Otherwise set an empty dictionary
5988 * as key's value. */
5989 objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5990 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5993 if (Jim_DictAddElement(interp
, objPtr
, keyv
[keyc
-1], newObjPtr
)
5996 Jim_InvalidateStringRep(objPtr
);
5997 Jim_InvalidateStringRep(varObjPtr
);
5998 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
6000 Jim_SetResult(interp
, varObjPtr
);
6004 Jim_FreeNewObj(interp
, varObjPtr
);
6009 /* -----------------------------------------------------------------------------
6011 * ---------------------------------------------------------------------------*/
6012 static void UpdateStringOfIndex(struct Jim_Obj
*objPtr
);
6013 static int SetIndexFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6015 static Jim_ObjType indexObjType
= {
6019 UpdateStringOfIndex
,
6023 void UpdateStringOfIndex(struct Jim_Obj
*objPtr
)
6026 char buf
[JIM_INTEGER_SPACE
+1];
6028 if (objPtr
->internalRep
.indexValue
>= 0)
6029 len
= sprintf(buf
, "%d", objPtr
->internalRep
.indexValue
);
6030 else if (objPtr
->internalRep
.indexValue
== -1)
6031 len
= sprintf(buf
, "end");
6033 len
= sprintf(buf
, "end%d", objPtr
->internalRep
.indexValue
+1);
6035 objPtr
->bytes
= Jim_Alloc(len
+1);
6036 memcpy(objPtr
->bytes
, buf
, len
+1);
6037 objPtr
->length
= len
;
6040 int SetIndexFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6045 /* Get the string representation */
6046 str
= Jim_GetString(objPtr
, NULL
);
6047 /* Try to convert into an index */
6048 if (!strcmp(str
, "end")) {
6052 if (!strncmp(str
, "end-", 4)) {
6056 if (Jim_StringToIndex(str
, &index
) != JIM_OK
) {
6057 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6058 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6059 "bad index \"", Jim_GetString(objPtr
, NULL
), "\": "
6060 "must be integer or end?-integer?", NULL
);
6069 } else if (!end
&& index
< 0)
6071 /* Free the old internal repr and set the new one. */
6072 Jim_FreeIntRep(interp
, objPtr
);
6073 objPtr
->typePtr
= &indexObjType
;
6074 objPtr
->internalRep
.indexValue
= index
;
6078 int Jim_GetIndex(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *indexPtr
)
6080 /* Avoid shimmering if the object is an integer. */
6081 if (objPtr
->typePtr
== &intObjType
) {
6082 jim_wide val
= objPtr
->internalRep
.wideValue
;
6083 if (!(val
< LONG_MIN
) && !(val
> LONG_MAX
)) {
6084 *indexPtr
= (val
< 0) ? -INT_MAX
: (long)val
;;
6088 if (objPtr
->typePtr
!= &indexObjType
&&
6089 SetIndexFromAny(interp
, objPtr
) == JIM_ERR
)
6091 *indexPtr
= objPtr
->internalRep
.indexValue
;
6095 /* -----------------------------------------------------------------------------
6096 * Return Code Object.
6097 * ---------------------------------------------------------------------------*/
6099 static int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6101 static Jim_ObjType returnCodeObjType
= {
6109 int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6112 int strLen
, returnCode
;
6115 /* Get the string representation */
6116 str
= Jim_GetString(objPtr
, &strLen
);
6117 /* Try to convert into an integer */
6118 if (JimGetWideNoErr(interp
, objPtr
, &wideValue
) != JIM_ERR
)
6119 returnCode
= (int) wideValue
;
6120 else if (!JimStringCompare(str
, strLen
, "ok", 2, JIM_NOCASE
))
6121 returnCode
= JIM_OK
;
6122 else if (!JimStringCompare(str
, strLen
, "error", 5, JIM_NOCASE
))
6123 returnCode
= JIM_ERR
;
6124 else if (!JimStringCompare(str
, strLen
, "return", 6, JIM_NOCASE
))
6125 returnCode
= JIM_RETURN
;
6126 else if (!JimStringCompare(str
, strLen
, "break", 5, JIM_NOCASE
))
6127 returnCode
= JIM_BREAK
;
6128 else if (!JimStringCompare(str
, strLen
, "continue", 8, JIM_NOCASE
))
6129 returnCode
= JIM_CONTINUE
;
6130 else if (!JimStringCompare(str
, strLen
, "eval", 4, JIM_NOCASE
))
6131 returnCode
= JIM_EVAL
;
6132 else if (!JimStringCompare(str
, strLen
, "exit", 4, JIM_NOCASE
))
6133 returnCode
= JIM_EXIT
;
6135 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6136 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6137 "expected return code but got '", str
, "'",
6141 /* Free the old internal repr and set the new one. */
6142 Jim_FreeIntRep(interp
, objPtr
);
6143 objPtr
->typePtr
= &returnCodeObjType
;
6144 objPtr
->internalRep
.returnCode
= returnCode
;
6148 int Jim_GetReturnCode(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *intPtr
)
6150 if (objPtr
->typePtr
!= &returnCodeObjType
&&
6151 SetReturnCodeFromAny(interp
, objPtr
) == JIM_ERR
)
6153 *intPtr
= objPtr
->internalRep
.returnCode
;
6157 /* -----------------------------------------------------------------------------
6158 * Expression Parsing
6159 * ---------------------------------------------------------------------------*/
6160 static int JimParseExprOperator(struct JimParserCtx
*pc
);
6161 static int JimParseExprNumber(struct JimParserCtx
*pc
);
6162 static int JimParseExprIrrational(struct JimParserCtx
*pc
);
6164 /* Exrp's Stack machine operators opcodes. */
6166 /* Binary operators (numbers) */
6167 #define JIM_EXPROP_BINARY_NUM_FIRST 0 /* first */
6168 #define JIM_EXPROP_MUL 0
6169 #define JIM_EXPROP_DIV 1
6170 #define JIM_EXPROP_MOD 2
6171 #define JIM_EXPROP_SUB 3
6172 #define JIM_EXPROP_ADD 4
6173 #define JIM_EXPROP_LSHIFT 5
6174 #define JIM_EXPROP_RSHIFT 6
6175 #define JIM_EXPROP_ROTL 7
6176 #define JIM_EXPROP_ROTR 8
6177 #define JIM_EXPROP_LT 9
6178 #define JIM_EXPROP_GT 10
6179 #define JIM_EXPROP_LTE 11
6180 #define JIM_EXPROP_GTE 12
6181 #define JIM_EXPROP_NUMEQ 13
6182 #define JIM_EXPROP_NUMNE 14
6183 #define JIM_EXPROP_BITAND 15
6184 #define JIM_EXPROP_BITXOR 16
6185 #define JIM_EXPROP_BITOR 17
6186 #define JIM_EXPROP_LOGICAND 18
6187 #define JIM_EXPROP_LOGICOR 19
6188 #define JIM_EXPROP_LOGICAND_LEFT 20
6189 #define JIM_EXPROP_LOGICOR_LEFT 21
6190 #define JIM_EXPROP_POW 22
6191 #define JIM_EXPROP_BINARY_NUM_LAST 22 /* last */
6193 /* Binary operators (strings) */
6194 #define JIM_EXPROP_STREQ 23
6195 #define JIM_EXPROP_STRNE 24
6197 /* Unary operators (numbers) */
6198 #define JIM_EXPROP_NOT 25
6199 #define JIM_EXPROP_BITNOT 26
6200 #define JIM_EXPROP_UNARYMINUS 27
6201 #define JIM_EXPROP_UNARYPLUS 28
6202 #define JIM_EXPROP_LOGICAND_RIGHT 29
6203 #define JIM_EXPROP_LOGICOR_RIGHT 30
6205 /* Ternary operators */
6206 #define JIM_EXPROP_TERNARY 31
6209 #define JIM_EXPROP_NUMBER 32
6210 #define JIM_EXPROP_COMMAND 33
6211 #define JIM_EXPROP_VARIABLE 34
6212 #define JIM_EXPROP_DICTSUGAR 35
6213 #define JIM_EXPROP_SUBST 36
6214 #define JIM_EXPROP_STRING 37
6216 /* Operators table */
6217 typedef struct Jim_ExprOperator
{
6224 /* name - precedence - arity - opcode */
6225 static struct Jim_ExprOperator Jim_ExprOperators
[] = {
6226 {"!", 300, 1, JIM_EXPROP_NOT
},
6227 {"~", 300, 1, JIM_EXPROP_BITNOT
},
6228 {"unarymin", 300, 1, JIM_EXPROP_UNARYMINUS
},
6229 {"unaryplus", 300, 1, JIM_EXPROP_UNARYPLUS
},
6231 {"**", 250, 2, JIM_EXPROP_POW
},
6233 {"*", 200, 2, JIM_EXPROP_MUL
},
6234 {"/", 200, 2, JIM_EXPROP_DIV
},
6235 {"%", 200, 2, JIM_EXPROP_MOD
},
6237 {"-", 100, 2, JIM_EXPROP_SUB
},
6238 {"+", 100, 2, JIM_EXPROP_ADD
},
6240 {"<<<", 90, 3, JIM_EXPROP_ROTL
},
6241 {">>>", 90, 3, JIM_EXPROP_ROTR
},
6242 {"<<", 90, 2, JIM_EXPROP_LSHIFT
},
6243 {">>", 90, 2, JIM_EXPROP_RSHIFT
},
6245 {"<", 80, 2, JIM_EXPROP_LT
},
6246 {">", 80, 2, JIM_EXPROP_GT
},
6247 {"<=", 80, 2, JIM_EXPROP_LTE
},
6248 {">=", 80, 2, JIM_EXPROP_GTE
},
6250 {"==", 70, 2, JIM_EXPROP_NUMEQ
},
6251 {"!=", 70, 2, JIM_EXPROP_NUMNE
},
6253 {"eq", 60, 2, JIM_EXPROP_STREQ
},
6254 {"ne", 60, 2, JIM_EXPROP_STRNE
},
6256 {"&", 50, 2, JIM_EXPROP_BITAND
},
6257 {"^", 49, 2, JIM_EXPROP_BITXOR
},
6258 {"|", 48, 2, JIM_EXPROP_BITOR
},
6260 {"&&", 10, 2, JIM_EXPROP_LOGICAND
},
6261 {"||", 10, 2, JIM_EXPROP_LOGICOR
},
6263 {"?", 5, 3, JIM_EXPROP_TERNARY
},
6264 /* private operators */
6265 {NULL
, 10, 2, JIM_EXPROP_LOGICAND_LEFT
},
6266 {NULL
, 10, 1, JIM_EXPROP_LOGICAND_RIGHT
},
6267 {NULL
, 10, 2, JIM_EXPROP_LOGICOR_LEFT
},
6268 {NULL
, 10, 1, JIM_EXPROP_LOGICOR_RIGHT
},
6271 #define JIM_EXPR_OPERATORS_NUM \
6272 (sizeof(Jim_ExprOperators)/sizeof(struct Jim_ExprOperator))
6274 int JimParseExpression(struct JimParserCtx
*pc
)
6276 /* Discard spaces and quoted newline */
6277 while(*(pc
->p
) == ' ' ||
6281 (*(pc
->p
) == '\\' && *(pc
->p
+1) == '\n')) {
6286 pc
->tstart
= pc
->tend
= pc
->p
;
6287 pc
->tline
= pc
->linenr
;
6288 pc
->tt
= JIM_TT_EOL
;
6294 pc
->tstart
= pc
->tend
= pc
->p
;
6295 pc
->tline
= pc
->linenr
;
6296 pc
->tt
= JIM_TT_SUBEXPR_START
;
6300 pc
->tstart
= pc
->tend
= pc
->p
;
6301 pc
->tline
= pc
->linenr
;
6302 pc
->tt
= JIM_TT_SUBEXPR_END
;
6306 return JimParseCmd(pc
);
6309 if (JimParseVar(pc
) == JIM_ERR
)
6310 return JimParseExprOperator(pc
);
6315 if ((pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_EXPR_OPERATOR
) &&
6316 isdigit((int)*(pc
->p
+1)))
6317 return JimParseExprNumber(pc
);
6319 return JimParseExprOperator(pc
);
6321 case '0': case '1': case '2': case '3': case '4':
6322 case '5': case '6': case '7': case '8': case '9': case '.':
6323 return JimParseExprNumber(pc
);
6327 /* Here it's possible to reuse the List String parsing. */
6328 pc
->tt
= JIM_TT_NONE
; /* Make sure it's sensed as a new word. */
6329 return JimParseListStr(pc
);
6333 if (JimParseExprIrrational(pc
) == JIM_ERR
)
6334 return JimParseExprOperator(pc
);
6337 return JimParseExprOperator(pc
);
6343 int JimParseExprNumber(struct JimParserCtx
*pc
)
6349 pc
->tline
= pc
->linenr
;
6350 if (*pc
->p
== '-') {
6353 while ( isdigit((int)*pc
->p
)
6354 || (allowhex
&& isxdigit((int)*pc
->p
) )
6355 || (allowdot
&& *pc
->p
== '.')
6356 || (pc
->p
-pc
->tstart
== 1 && *pc
->tstart
== '0' &&
6357 (*pc
->p
== 'x' || *pc
->p
== 'X'))
6360 if ((*pc
->p
== 'x') || (*pc
->p
== 'X')) {
6367 if (!allowdot
&& *pc
->p
== 'e' && *(pc
->p
+1) == '-') {
6368 pc
->p
+= 2; pc
->len
-= 2;
6372 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6376 int JimParseExprIrrational(struct JimParserCtx
*pc
)
6378 const char *Tokens
[] = {"NaN", "nan", "NAN", "Inf", "inf", "INF", NULL
};
6380 for (token
= Tokens
; *token
!= NULL
; token
++) {
6381 int len
= strlen(*token
);
6382 if (strncmp(*token
, pc
->p
, len
) == 0) {
6384 pc
->tend
= pc
->p
+ len
- 1;
6385 pc
->p
+= len
; pc
->len
-= len
;
6386 pc
->tline
= pc
->linenr
;
6387 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6394 int JimParseExprOperator(struct JimParserCtx
*pc
)
6397 int bestIdx
= -1, bestLen
= 0;
6399 /* Try to get the longest match. */
6400 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++) {
6404 opname
= Jim_ExprOperators
[i
].name
;
6405 if (opname
== NULL
) continue;
6406 oplen
= strlen(opname
);
6408 if (strncmp(opname
, pc
->p
, oplen
) == 0 && oplen
> bestLen
) {
6413 if (bestIdx
== -1) return JIM_ERR
;
6415 pc
->tend
= pc
->p
+ bestLen
- 1;
6416 pc
->p
+= bestLen
; pc
->len
-= bestLen
;
6417 pc
->tline
= pc
->linenr
;
6418 pc
->tt
= JIM_TT_EXPR_OPERATOR
;
6422 struct Jim_ExprOperator
*JimExprOperatorInfo(const char *opname
)
6425 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6426 if (Jim_ExprOperators
[i
].name
&&
6427 strcmp(opname
, Jim_ExprOperators
[i
].name
) == 0)
6428 return &Jim_ExprOperators
[i
];
6432 struct Jim_ExprOperator
*JimExprOperatorInfoByOpcode(int opcode
)
6435 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6436 if (Jim_ExprOperators
[i
].opcode
== opcode
)
6437 return &Jim_ExprOperators
[i
];
6441 /* -----------------------------------------------------------------------------
6443 * ---------------------------------------------------------------------------*/
6444 static void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6445 static void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
6446 static int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6448 static Jim_ObjType exprObjType
= {
6450 FreeExprInternalRep
,
6453 JIM_TYPE_REFERENCES
,
6456 /* Expr bytecode structure */
6457 typedef struct ExprByteCode
{
6458 int *opcode
; /* Integer array of opcodes. */
6459 Jim_Obj
**obj
; /* Array of associated Jim Objects. */
6460 int len
; /* Bytecode length */
6461 int inUse
; /* Used for sharing. */
6464 void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6467 ExprByteCode
*expr
= (void*) objPtr
->internalRep
.ptr
;
6470 if (expr
->inUse
!= 0) return;
6471 for (i
= 0; i
< expr
->len
; i
++)
6472 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6473 Jim_Free(expr
->opcode
);
6474 Jim_Free(expr
->obj
);
6478 void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
6480 JIM_NOTUSED(interp
);
6481 JIM_NOTUSED(srcPtr
);
6483 /* Just returns an simple string. */
6484 dupPtr
->typePtr
= NULL
;
6487 /* Add a new instruction to an expression bytecode structure. */
6488 static void ExprObjAddInstr(Jim_Interp
*interp
, ExprByteCode
*expr
,
6489 int opcode
, char *str
, int len
)
6491 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+1));
6492 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+1));
6493 expr
->opcode
[expr
->len
] = opcode
;
6494 expr
->obj
[expr
->len
] = Jim_NewStringObjNoAlloc(interp
, str
, len
);
6495 Jim_IncrRefCount(expr
->obj
[expr
->len
]);
6499 /* Check if an expr program looks correct. */
6500 static int ExprCheckCorrectness(ExprByteCode
*expr
)
6505 /* Try to check if there are stack underflows,
6506 * and make sure at the end of the program there is
6507 * a single result on the stack. */
6508 for (i
= 0; i
< expr
->len
; i
++) {
6509 switch(expr
->opcode
[i
]) {
6510 case JIM_EXPROP_NUMBER
:
6511 case JIM_EXPROP_STRING
:
6512 case JIM_EXPROP_SUBST
:
6513 case JIM_EXPROP_VARIABLE
:
6514 case JIM_EXPROP_DICTSUGAR
:
6515 case JIM_EXPROP_COMMAND
:
6518 case JIM_EXPROP_NOT
:
6519 case JIM_EXPROP_BITNOT
:
6520 case JIM_EXPROP_UNARYMINUS
:
6521 case JIM_EXPROP_UNARYPLUS
:
6522 /* Unary operations */
6523 if (stacklen
< 1) return JIM_ERR
;
6525 case JIM_EXPROP_ADD
:
6526 case JIM_EXPROP_SUB
:
6527 case JIM_EXPROP_MUL
:
6528 case JIM_EXPROP_DIV
:
6529 case JIM_EXPROP_MOD
:
6532 case JIM_EXPROP_LTE
:
6533 case JIM_EXPROP_GTE
:
6534 case JIM_EXPROP_ROTL
:
6535 case JIM_EXPROP_ROTR
:
6536 case JIM_EXPROP_LSHIFT
:
6537 case JIM_EXPROP_RSHIFT
:
6538 case JIM_EXPROP_NUMEQ
:
6539 case JIM_EXPROP_NUMNE
:
6540 case JIM_EXPROP_STREQ
:
6541 case JIM_EXPROP_STRNE
:
6542 case JIM_EXPROP_BITAND
:
6543 case JIM_EXPROP_BITXOR
:
6544 case JIM_EXPROP_BITOR
:
6545 case JIM_EXPROP_LOGICAND
:
6546 case JIM_EXPROP_LOGICOR
:
6547 case JIM_EXPROP_POW
:
6548 /* binary operations */
6549 if (stacklen
< 2) return JIM_ERR
;
6553 Jim_Panic(NULL
,"Default opcode reached ExprCheckCorrectness");
6557 if (stacklen
!= 1) return JIM_ERR
;
6561 static void ExprShareLiterals(Jim_Interp
*interp
, ExprByteCode
*expr
,
6562 ScriptObj
*topLevelScript
)
6567 for (i
= 0; i
< expr
->len
; i
++) {
6568 Jim_Obj
*foundObjPtr
;
6570 if (expr
->obj
[i
] == NULL
) continue;
6571 foundObjPtr
= ScriptSearchLiteral(interp
, topLevelScript
,
6572 NULL
, expr
->obj
[i
]);
6573 if (foundObjPtr
!= NULL
) {
6574 Jim_IncrRefCount(foundObjPtr
);
6575 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6576 expr
->obj
[i
] = foundObjPtr
;
6581 /* This procedure converts every occurrence of || and && opereators
6582 * in lazy unary versions.
6584 * a b || is converted into:
6586 * a <offset> |L b |R
6588 * a b && is converted into:
6590 * a <offset> &L b &R
6592 * "|L" checks if 'a' is true:
6593 * 1) if it is true pushes 1 and skips <offset> istructions to reach
6594 * the opcode just after |R.
6595 * 2) if it is false does nothing.
6596 * "|R" checks if 'b' is true:
6597 * 1) if it is true pushes 1, otherwise pushes 0.
6599 * "&L" checks if 'a' is true:
6600 * 1) if it is true does nothing.
6601 * 2) If it is false pushes 0 and skips <offset> istructions to reach
6602 * the opcode just after &R
6603 * "&R" checks if 'a' is true:
6604 * if it is true pushes 1, otherwise pushes 0.
6606 static void ExprMakeLazy(Jim_Interp
*interp
, ExprByteCode
*expr
)
6609 int index
= -1, leftindex
, arity
, i
, offset
;
6610 Jim_ExprOperator
*op
;
6612 /* Search for || or && */
6613 for (i
= 0; i
< expr
->len
; i
++) {
6614 if (expr
->opcode
[i
] == JIM_EXPROP_LOGICAND
||
6615 expr
->opcode
[i
] == JIM_EXPROP_LOGICOR
) {
6620 if (index
== -1) return;
6621 /* Search for the end of the first operator */
6622 leftindex
= index
-1;
6625 switch(expr
->opcode
[leftindex
]) {
6626 case JIM_EXPROP_NUMBER
:
6627 case JIM_EXPROP_COMMAND
:
6628 case JIM_EXPROP_VARIABLE
:
6629 case JIM_EXPROP_DICTSUGAR
:
6630 case JIM_EXPROP_SUBST
:
6631 case JIM_EXPROP_STRING
:
6634 op
= JimExprOperatorInfoByOpcode(expr
->opcode
[leftindex
]);
6636 Jim_Panic(interp
,"Default reached in ExprMakeLazy()");
6645 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+2));
6646 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+2));
6647 memmove(&expr
->opcode
[leftindex
+2], &expr
->opcode
[leftindex
],
6648 sizeof(int)*(expr
->len
-leftindex
));
6649 memmove(&expr
->obj
[leftindex
+2], &expr
->obj
[leftindex
],
6650 sizeof(Jim_Obj
*)*(expr
->len
-leftindex
));
6653 offset
= (index
-leftindex
)-1;
6654 Jim_DecrRefCount(interp
, expr
->obj
[index
]);
6655 if (expr
->opcode
[index
] == JIM_EXPROP_LOGICAND
) {
6656 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICAND_LEFT
;
6657 expr
->opcode
[index
] = JIM_EXPROP_LOGICAND_RIGHT
;
6658 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "&L", -1);
6659 expr
->obj
[index
] = Jim_NewStringObj(interp
, "&R", -1);
6661 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICOR_LEFT
;
6662 expr
->opcode
[index
] = JIM_EXPROP_LOGICOR_RIGHT
;
6663 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "|L", -1);
6664 expr
->obj
[index
] = Jim_NewStringObj(interp
, "|R", -1);
6666 expr
->opcode
[leftindex
] = JIM_EXPROP_NUMBER
;
6667 expr
->obj
[leftindex
] = Jim_NewIntObj(interp
, offset
);
6668 Jim_IncrRefCount(expr
->obj
[index
]);
6669 Jim_IncrRefCount(expr
->obj
[leftindex
]);
6670 Jim_IncrRefCount(expr
->obj
[leftindex
+1]);
6674 /* This method takes the string representation of an expression
6675 * and generates a program for the Expr's stack-based VM. */
6676 int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
6679 const char *exprText
= Jim_GetString(objPtr
, &exprTextLen
);
6680 struct JimParserCtx parser
;
6681 int i
, shareLiterals
;
6682 ExprByteCode
*expr
= Jim_Alloc(sizeof(*expr
));
6684 Jim_ExprOperator
*op
;
6686 /* Perform literal sharing with the current procedure
6687 * running only if this expression appears to be not generated
6689 shareLiterals
= objPtr
->typePtr
== &sourceObjType
;
6691 expr
->opcode
= NULL
;
6696 Jim_InitStack(&stack
);
6697 JimParserInit(&parser
, exprText
, exprTextLen
, 1);
6698 while(!JimParserEof(&parser
)) {
6702 if (JimParseExpression(&parser
) != JIM_OK
) {
6703 Jim_SetResultString(interp
, "Syntax error in expression", -1);
6706 token
= JimParserGetToken(&parser
, &len
, &type
, NULL
);
6707 if (type
== JIM_TT_EOL
) {
6713 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_STRING
, token
, len
);
6716 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_SUBST
, token
, len
);
6719 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_VARIABLE
, token
, len
);
6721 case JIM_TT_DICTSUGAR
:
6722 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_DICTSUGAR
, token
, len
);
6725 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_COMMAND
, token
, len
);
6727 case JIM_TT_EXPR_NUMBER
:
6728 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_NUMBER
, token
, len
);
6730 case JIM_TT_EXPR_OPERATOR
:
6731 op
= JimExprOperatorInfo(token
);
6733 Jim_ExprOperator
*stackTopOp
;
6735 if (Jim_StackPeek(&stack
) != NULL
) {
6736 stackTopOp
= JimExprOperatorInfo(Jim_StackPeek(&stack
));
6740 if (Jim_StackLen(&stack
) && op
->arity
!= 1 &&
6741 stackTopOp
&& stackTopOp
->precedence
>= op
->precedence
)
6743 ExprObjAddInstr(interp
, expr
, stackTopOp
->opcode
,
6744 Jim_StackPeek(&stack
), -1);
6745 Jim_StackPop(&stack
);
6750 Jim_StackPush(&stack
, token
);
6752 case JIM_TT_SUBEXPR_START
:
6753 Jim_StackPush(&stack
, Jim_StrDup("("));
6756 case JIM_TT_SUBEXPR_END
:
6759 while(Jim_StackLen(&stack
)) {
6760 char *opstr
= Jim_StackPop(&stack
);
6761 if (!strcmp(opstr
, "(")) {
6766 op
= JimExprOperatorInfo(opstr
);
6767 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6770 Jim_SetResultString(interp
,
6771 "Unexpected close parenthesis", -1);
6778 Jim_Panic(interp
,"Default reached in SetExprFromAny()");
6782 while (Jim_StackLen(&stack
)) {
6783 char *opstr
= Jim_StackPop(&stack
);
6784 op
= JimExprOperatorInfo(opstr
);
6785 if (op
== NULL
&& !strcmp(opstr
, "(")) {
6787 Jim_SetResultString(interp
, "Missing close parenthesis", -1);
6790 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6792 /* Check program correctness. */
6793 if (ExprCheckCorrectness(expr
) != JIM_OK
) {
6794 Jim_SetResultString(interp
, "Invalid expression", -1);
6798 /* Free the stack used for the compilation. */
6799 Jim_FreeStackElements(&stack
, Jim_Free
);
6800 Jim_FreeStack(&stack
);
6802 /* Convert || and && operators in unary |L |R and &L &R for lazyness */
6803 ExprMakeLazy(interp
, expr
);
6805 /* Perform literal sharing */
6806 if (shareLiterals
&& interp
->framePtr
->procBodyObjPtr
) {
6807 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
6808 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
6809 ScriptObj
*bodyScript
= bodyObjPtr
->internalRep
.ptr
;
6810 ExprShareLiterals(interp
, expr
, bodyScript
);
6814 /* Free the old internal rep and set the new one. */
6815 Jim_FreeIntRep(interp
, objPtr
);
6816 Jim_SetIntRepPtr(objPtr
, expr
);
6817 objPtr
->typePtr
= &exprObjType
;
6820 err
: /* we jump here on syntax/compile errors. */
6821 Jim_FreeStackElements(&stack
, Jim_Free
);
6822 Jim_FreeStack(&stack
);
6823 Jim_Free(expr
->opcode
);
6824 for (i
= 0; i
< expr
->len
; i
++) {
6825 Jim_DecrRefCount(interp
,expr
->obj
[i
]);
6827 Jim_Free(expr
->obj
);
6832 ExprByteCode
*Jim_GetExpression(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6834 if (objPtr
->typePtr
!= &exprObjType
) {
6835 if (SetExprFromAny(interp
, objPtr
) != JIM_OK
)
6838 return (ExprByteCode
*) Jim_GetIntRepPtr(objPtr
);
6841 /* -----------------------------------------------------------------------------
6842 * Expressions evaluation.
6843 * Jim uses a specialized stack-based virtual machine for expressions,
6844 * that takes advantage of the fact that expr's operators
6845 * can't be redefined.
6847 * Jim_EvalExpression() uses the bytecode compiled by
6848 * SetExprFromAny() method of the "expression" object.
6850 * On success a Tcl Object containing the result of the evaluation
6851 * is stored into expResultPtrPtr (having refcount of 1), and JIM_OK is
6853 * On error the function returns a retcode != to JIM_OK and set a suitable
6854 * error on the interp.
6855 * ---------------------------------------------------------------------------*/
6856 #define JIM_EE_STATICSTACK_LEN 10
6858 int Jim_EvalExpression(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
,
6859 Jim_Obj
**exprResultPtrPtr
)
6862 Jim_Obj
**stack
, *staticStack
[JIM_EE_STATICSTACK_LEN
];
6863 int stacklen
= 0, i
, error
= 0, errRetCode
= JIM_ERR
;
6865 Jim_IncrRefCount(exprObjPtr
);
6866 expr
= Jim_GetExpression(interp
, exprObjPtr
);
6868 Jim_DecrRefCount(interp
, exprObjPtr
);
6869 return JIM_ERR
; /* error in expression. */
6871 /* In order to avoid that the internal repr gets freed due to
6872 * shimmering of the exprObjPtr's object, we make the internal rep
6876 /* The stack-based expr VM itself */
6878 /* Stack allocation. Expr programs have the feature that
6879 * a program of length N can't require a stack longer than
6881 if (expr
->len
> JIM_EE_STATICSTACK_LEN
)
6882 stack
= Jim_Alloc(sizeof(Jim_Obj
*)*expr
->len
);
6884 stack
= staticStack
;
6886 /* Execute every istruction */
6887 for (i
= 0; i
< expr
->len
; i
++) {
6888 Jim_Obj
*A
, *B
, *objPtr
;
6889 jim_wide wA
, wB
, wC
;
6891 const char *sA
, *sB
;
6892 int Alen
, Blen
, retcode
;
6893 int opcode
= expr
->opcode
[i
];
6895 if (opcode
== JIM_EXPROP_NUMBER
|| opcode
== JIM_EXPROP_STRING
) {
6896 stack
[stacklen
++] = expr
->obj
[i
];
6897 Jim_IncrRefCount(expr
->obj
[i
]);
6898 } else if (opcode
== JIM_EXPROP_VARIABLE
) {
6899 objPtr
= Jim_GetVariable(interp
, expr
->obj
[i
], JIM_ERRMSG
);
6900 if (objPtr
== NULL
) {
6904 stack
[stacklen
++] = objPtr
;
6905 Jim_IncrRefCount(objPtr
);
6906 } else if (opcode
== JIM_EXPROP_SUBST
) {
6907 if ((retcode
= Jim_SubstObj(interp
, expr
->obj
[i
],
6908 &objPtr
, JIM_NONE
)) != JIM_OK
)
6911 errRetCode
= retcode
;
6914 stack
[stacklen
++] = objPtr
;
6915 Jim_IncrRefCount(objPtr
);
6916 } else if (opcode
== JIM_EXPROP_DICTSUGAR
) {
6917 objPtr
= Jim_ExpandDictSugar(interp
, expr
->obj
[i
]);
6918 if (objPtr
== NULL
) {
6922 stack
[stacklen
++] = objPtr
;
6923 Jim_IncrRefCount(objPtr
);
6924 } else if (opcode
== JIM_EXPROP_COMMAND
) {
6925 if ((retcode
= Jim_EvalObj(interp
, expr
->obj
[i
])) != JIM_OK
) {
6927 errRetCode
= retcode
;
6930 stack
[stacklen
++] = interp
->result
;
6931 Jim_IncrRefCount(interp
->result
);
6932 } else if (opcode
>= JIM_EXPROP_BINARY_NUM_FIRST
&&
6933 opcode
<= JIM_EXPROP_BINARY_NUM_LAST
)
6935 /* Note that there isn't to increment the
6936 * refcount of objects. the references are moved
6937 * from stack to A and B. */
6938 B
= stack
[--stacklen
];
6939 A
= stack
[--stacklen
];
6941 /* --- Integer --- */
6942 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
6943 (B
->typePtr
== &doubleObjType
&& !B
->bytes
) ||
6944 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
||
6945 JimGetWideNoErr(interp
, B
, &wB
) != JIM_OK
) {
6948 Jim_DecrRefCount(interp
, A
);
6949 Jim_DecrRefCount(interp
, B
);
6950 switch(expr
->opcode
[i
]) {
6951 case JIM_EXPROP_ADD
: wC
= wA
+wB
; break;
6952 case JIM_EXPROP_SUB
: wC
= wA
-wB
; break;
6953 case JIM_EXPROP_MUL
: wC
= wA
*wB
; break;
6954 case JIM_EXPROP_LT
: wC
= wA
<wB
; break;
6955 case JIM_EXPROP_GT
: wC
= wA
>wB
; break;
6956 case JIM_EXPROP_LTE
: wC
= wA
<=wB
; break;
6957 case JIM_EXPROP_GTE
: wC
= wA
>=wB
; break;
6958 case JIM_EXPROP_LSHIFT
: wC
= wA
<<wB
; break;
6959 case JIM_EXPROP_RSHIFT
: wC
= wA
>>wB
; break;
6960 case JIM_EXPROP_NUMEQ
: wC
= wA
==wB
; break;
6961 case JIM_EXPROP_NUMNE
: wC
= wA
!=wB
; break;
6962 case JIM_EXPROP_BITAND
: wC
= wA
&wB
; break;
6963 case JIM_EXPROP_BITXOR
: wC
= wA
^wB
; break;
6964 case JIM_EXPROP_BITOR
: wC
= wA
|wB
; break;
6965 case JIM_EXPROP_POW
: wC
= JimPowWide(wA
,wB
); break;
6966 case JIM_EXPROP_LOGICAND_LEFT
:
6974 case JIM_EXPROP_LOGICOR_LEFT
:
6982 case JIM_EXPROP_DIV
:
6983 if (wB
== 0) goto divbyzero
;
6986 case JIM_EXPROP_MOD
:
6987 if (wB
== 0) goto divbyzero
;
6990 case JIM_EXPROP_ROTL
: {
6991 /* uint32_t would be better. But not everyone has inttypes.h?*/
6992 unsigned long uA
= (unsigned long)wA
;
6994 wC
= _rotl(uA
,(unsigned long)wB
);
6996 const unsigned int S
= sizeof(unsigned long) * 8;
6997 wC
= (unsigned long)((uA
<<wB
)|(uA
>>(S
-wB
)));
7001 case JIM_EXPROP_ROTR
: {
7002 unsigned long uA
= (unsigned long)wA
;
7004 wC
= _rotr(uA
,(unsigned long)wB
);
7006 const unsigned int S
= sizeof(unsigned long) * 8;
7007 wC
= (unsigned long)((uA
>>wB
)|(uA
<<(S
-wB
)));
7013 wC
= 0; /* avoid gcc warning */
7016 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7017 Jim_IncrRefCount(stack
[stacklen
]);
7021 /* --- Double --- */
7022 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
||
7023 Jim_GetDouble(interp
, B
, &dB
) != JIM_OK
) {
7025 /* Hmmm! For compatibility, maybe convert != and == into ne and eq */
7026 if (expr
->opcode
[i
] == JIM_EXPROP_NUMNE
) {
7027 opcode
= JIM_EXPROP_STRNE
;
7028 goto retry_as_string
;
7030 else if (expr
->opcode
[i
] == JIM_EXPROP_NUMEQ
) {
7031 opcode
= JIM_EXPROP_STREQ
;
7032 goto retry_as_string
;
7034 Jim_DecrRefCount(interp
, A
);
7035 Jim_DecrRefCount(interp
, B
);
7039 Jim_DecrRefCount(interp
, A
);
7040 Jim_DecrRefCount(interp
, B
);
7041 switch(expr
->opcode
[i
]) {
7042 case JIM_EXPROP_ROTL
:
7043 case JIM_EXPROP_ROTR
:
7044 case JIM_EXPROP_LSHIFT
:
7045 case JIM_EXPROP_RSHIFT
:
7046 case JIM_EXPROP_BITAND
:
7047 case JIM_EXPROP_BITXOR
:
7048 case JIM_EXPROP_BITOR
:
7049 case JIM_EXPROP_MOD
:
7050 case JIM_EXPROP_POW
:
7051 Jim_SetResultString(interp
,
7052 "Got floating-point value where integer was expected", -1);
7056 case JIM_EXPROP_ADD
: dC
= dA
+dB
; break;
7057 case JIM_EXPROP_SUB
: dC
= dA
-dB
; break;
7058 case JIM_EXPROP_MUL
: dC
= dA
*dB
; break;
7059 case JIM_EXPROP_LT
: dC
= dA
<dB
; break;
7060 case JIM_EXPROP_GT
: dC
= dA
>dB
; break;
7061 case JIM_EXPROP_LTE
: dC
= dA
<=dB
; break;
7062 case JIM_EXPROP_GTE
: dC
= dA
>=dB
; break;
7063 case JIM_EXPROP_NUMEQ
: dC
= dA
==dB
; break;
7064 case JIM_EXPROP_NUMNE
: dC
= dA
!=dB
; break;
7065 case JIM_EXPROP_LOGICAND_LEFT
:
7073 case JIM_EXPROP_LOGICOR_LEFT
:
7081 case JIM_EXPROP_DIV
:
7082 if (dB
== 0) goto divbyzero
;
7086 dC
= 0; /* avoid gcc warning */
7089 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7090 Jim_IncrRefCount(stack
[stacklen
]);
7092 } else if (opcode
== JIM_EXPROP_STREQ
|| opcode
== JIM_EXPROP_STRNE
) {
7093 B
= stack
[--stacklen
];
7094 A
= stack
[--stacklen
];
7096 sA
= Jim_GetString(A
, &Alen
);
7097 sB
= Jim_GetString(B
, &Blen
);
7099 case JIM_EXPROP_STREQ
:
7100 if (Alen
== Blen
&& memcmp(sA
, sB
, Alen
) ==0)
7105 case JIM_EXPROP_STRNE
:
7106 if (Alen
!= Blen
|| memcmp(sA
, sB
, Alen
) != 0)
7112 wC
= 0; /* avoid gcc warning */
7115 Jim_DecrRefCount(interp
, A
);
7116 Jim_DecrRefCount(interp
, B
);
7117 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7118 Jim_IncrRefCount(stack
[stacklen
]);
7120 } else if (opcode
== JIM_EXPROP_NOT
||
7121 opcode
== JIM_EXPROP_BITNOT
||
7122 opcode
== JIM_EXPROP_LOGICAND_RIGHT
||
7123 opcode
== JIM_EXPROP_LOGICOR_RIGHT
) {
7124 /* Note that there isn't to increment the
7125 * refcount of objects. the references are moved
7126 * from stack to A and B. */
7127 A
= stack
[--stacklen
];
7129 /* --- Integer --- */
7130 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
7131 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
) {
7132 goto trydouble_unary
;
7134 Jim_DecrRefCount(interp
, A
);
7135 switch(expr
->opcode
[i
]) {
7136 case JIM_EXPROP_NOT
: wC
= !wA
; break;
7137 case JIM_EXPROP_BITNOT
: wC
= ~wA
; break;
7138 case JIM_EXPROP_LOGICAND_RIGHT
:
7139 case JIM_EXPROP_LOGICOR_RIGHT
: wC
= (wA
!= 0); break;
7141 wC
= 0; /* avoid gcc warning */
7144 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7145 Jim_IncrRefCount(stack
[stacklen
]);
7149 /* --- Double --- */
7150 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
) {
7151 Jim_DecrRefCount(interp
, A
);
7155 Jim_DecrRefCount(interp
, A
);
7156 switch(expr
->opcode
[i
]) {
7157 case JIM_EXPROP_NOT
: dC
= !dA
; break;
7158 case JIM_EXPROP_LOGICAND_RIGHT
:
7159 case JIM_EXPROP_LOGICOR_RIGHT
: dC
= (dA
!= 0); break;
7160 case JIM_EXPROP_BITNOT
:
7161 Jim_SetResultString(interp
,
7162 "Got floating-point value where integer was expected", -1);
7167 dC
= 0; /* avoid gcc warning */
7170 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7171 Jim_IncrRefCount(stack
[stacklen
]);
7174 Jim_Panic(interp
,"Unknown opcode in Jim_EvalExpression");
7178 /* There is no need to decerement the inUse field because
7179 * this reference is transfered back into the exprObjPtr. */
7180 Jim_FreeIntRep(interp
, exprObjPtr
);
7181 exprObjPtr
->typePtr
= &exprObjType
;
7182 Jim_SetIntRepPtr(exprObjPtr
, expr
);
7183 Jim_DecrRefCount(interp
, exprObjPtr
);
7185 *exprResultPtrPtr
= stack
[0];
7186 Jim_IncrRefCount(stack
[0]);
7187 errRetCode
= JIM_OK
;
7189 for (i
= 0; i
< stacklen
; i
++) {
7190 Jim_DecrRefCount(interp
, stack
[i
]);
7192 if (stack
!= staticStack
)
7197 Jim_SetResultString(interp
, "Division by zero", -1);
7201 int Jim_GetBoolFromExpr(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
, int *boolPtr
)
7206 Jim_Obj
*exprResultPtr
;
7208 retcode
= Jim_EvalExpression(interp
, exprObjPtr
, &exprResultPtr
);
7209 if (retcode
!= JIM_OK
)
7211 if (JimGetWideNoErr(interp
, exprResultPtr
, &wideValue
) != JIM_OK
) {
7212 if (Jim_GetDouble(interp
, exprResultPtr
, &doubleValue
) != JIM_OK
)
7214 Jim_DecrRefCount(interp
, exprResultPtr
);
7217 Jim_DecrRefCount(interp
, exprResultPtr
);
7218 *boolPtr
= doubleValue
!= 0;
7222 Jim_DecrRefCount(interp
, exprResultPtr
);
7223 *boolPtr
= wideValue
!= 0;
7227 /* -----------------------------------------------------------------------------
7228 * ScanFormat String Object
7229 * ---------------------------------------------------------------------------*/
7231 /* This Jim_Obj will held a parsed representation of a format string passed to
7232 * the Jim_ScanString command. For error diagnostics, the scanformat string has
7233 * to be parsed in its entirely first and then, if correct, can be used for
7234 * scanning. To avoid endless re-parsing, the parsed representation will be
7235 * stored in an internal representation and re-used for performance reason. */
7237 /* A ScanFmtPartDescr will held the information of /one/ part of the whole
7238 * scanformat string. This part will later be used to extract information
7239 * out from the string to be parsed by Jim_ScanString */
7241 typedef struct ScanFmtPartDescr
{
7242 char type
; /* Type of conversion (e.g. c, d, f) */
7243 char modifier
; /* Modify type (e.g. l - long, h - short */
7244 size_t width
; /* Maximal width of input to be converted */
7245 int pos
; /* -1 - no assign, 0 - natural pos, >0 - XPG3 pos */
7246 char *arg
; /* Specification of a CHARSET conversion */
7247 char *prefix
; /* Prefix to be scanned literally before conversion */
7250 /* The ScanFmtStringObj will held the internal representation of a scanformat
7251 * string parsed and separated in part descriptions. Furthermore it contains
7252 * the original string representation of the scanformat string to allow for
7253 * fast update of the Jim_Obj's string representation part.
7255 * As add-on the internal object representation add some scratch pad area
7256 * for usage by Jim_ScanString to avoid endless allocating and freeing of
7257 * memory for purpose of string scanning.
7259 * The error member points to a static allocated string in case of a mal-
7260 * formed scanformat string or it contains '0' (NULL) in case of a valid
7261 * parse representation.
7263 * The whole memory of the internal representation is allocated as a single
7264 * area of memory that will be internally separated. So freeing and duplicating
7265 * of such an object is cheap */
7267 typedef struct ScanFmtStringObj
{
7268 jim_wide size
; /* Size of internal repr in bytes */
7269 char *stringRep
; /* Original string representation */
7270 size_t count
; /* Number of ScanFmtPartDescr contained */
7271 size_t convCount
; /* Number of conversions that will assign */
7272 size_t maxPos
; /* Max position index if XPG3 is used */
7273 const char *error
; /* Ptr to error text (NULL if no error */
7274 char *scratch
; /* Some scratch pad used by Jim_ScanString */
7275 ScanFmtPartDescr descr
[1]; /* The vector of partial descriptions */
7279 static void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
7280 static void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
7281 static void UpdateStringOfScanFmt(Jim_Obj
*objPtr
);
7283 static Jim_ObjType scanFmtStringObjType
= {
7285 FreeScanFmtInternalRep
,
7286 DupScanFmtInternalRep
,
7287 UpdateStringOfScanFmt
,
7291 void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7293 JIM_NOTUSED(interp
);
7294 Jim_Free((char*)objPtr
->internalRep
.ptr
);
7295 objPtr
->internalRep
.ptr
= 0;
7298 void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
7300 size_t size
= (size_t)((ScanFmtStringObj
*)srcPtr
->internalRep
.ptr
)->size
;
7301 ScanFmtStringObj
*newVec
= (ScanFmtStringObj
*)Jim_Alloc(size
);
7303 JIM_NOTUSED(interp
);
7304 memcpy(newVec
, srcPtr
->internalRep
.ptr
, size
);
7305 dupPtr
->internalRep
.ptr
= newVec
;
7306 dupPtr
->typePtr
= &scanFmtStringObjType
;
7309 void UpdateStringOfScanFmt(Jim_Obj
*objPtr
)
7311 char *bytes
= ((ScanFmtStringObj
*)objPtr
->internalRep
.ptr
)->stringRep
;
7313 objPtr
->bytes
= Jim_StrDup(bytes
);
7314 objPtr
->length
= strlen(bytes
);
7317 /* SetScanFmtFromAny will parse a given string and create the internal
7318 * representation of the format specification. In case of an error
7319 * the error data member of the internal representation will be set
7320 * to an descriptive error text and the function will be left with
7321 * JIM_ERR to indicate unsucessful parsing (aka. malformed scanformat
7324 static int SetScanFmtFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7326 ScanFmtStringObj
*fmtObj
;
7328 int maxCount
, i
, approxSize
, lastPos
= -1;
7329 const char *fmt
= objPtr
->bytes
;
7330 int maxFmtLen
= objPtr
->length
;
7331 const char *fmtEnd
= fmt
+ maxFmtLen
;
7334 Jim_FreeIntRep(interp
, objPtr
);
7335 /* Count how many conversions could take place maximally */
7336 for (i
=0, maxCount
=0; i
< maxFmtLen
; ++i
)
7339 /* Calculate an approximation of the memory necessary */
7340 approxSize
= sizeof(ScanFmtStringObj
) /* Size of the container */
7341 + (maxCount
+ 1) * sizeof(ScanFmtPartDescr
) /* Size of all partials */
7342 + maxFmtLen
* sizeof(char) + 3 + 1 /* Scratch + "%n" + '\0' */
7343 + maxFmtLen
* sizeof(char) + 1 /* Original stringrep */
7344 + maxFmtLen
* sizeof(char) /* Arg for CHARSETs */
7345 + (maxCount
+1) * sizeof(char) /* '\0' for every partial */
7346 + 1; /* safety byte */
7347 fmtObj
= (ScanFmtStringObj
*)Jim_Alloc(approxSize
);
7348 memset(fmtObj
, 0, approxSize
);
7349 fmtObj
->size
= approxSize
;
7351 fmtObj
->scratch
= (char*)&fmtObj
->descr
[maxCount
+1];
7352 fmtObj
->stringRep
= fmtObj
->scratch
+ maxFmtLen
+ 3 + 1;
7353 memcpy(fmtObj
->stringRep
, fmt
, maxFmtLen
);
7354 buffer
= fmtObj
->stringRep
+ maxFmtLen
+ 1;
7355 objPtr
->internalRep
.ptr
= fmtObj
;
7356 objPtr
->typePtr
= &scanFmtStringObjType
;
7357 for (i
=0, curr
=0; fmt
< fmtEnd
; ++fmt
) {
7359 ScanFmtPartDescr
*descr
= &fmtObj
->descr
[curr
];
7361 descr
->width
= 0; /* Assume width unspecified */
7362 /* Overread and store any "literal" prefix */
7363 if (*fmt
!= '%' || fmt
[1] == '%') {
7365 descr
->prefix
= &buffer
[i
];
7366 for (; fmt
< fmtEnd
; ++fmt
) {
7368 if (fmt
[1] != '%') break;
7375 /* Skip the conversion introducing '%' sign */
7377 /* End reached due to non-conversion literal only? */
7380 descr
->pos
= 0; /* Assume "natural" positioning */
7382 descr
->pos
= -1; /* Okay, conversion will not be assigned */
7385 fmtObj
->convCount
++; /* Otherwise count as assign-conversion */
7386 /* Check if next token is a number (could be width or pos */
7387 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7389 /* Was the number a XPG3 position specifier? */
7390 if (descr
->pos
!= -1 && *fmt
== '$') {
7395 /* Look if "natural" postioning and XPG3 one was mixed */
7396 if ((lastPos
== 0 && descr
->pos
> 0)
7397 || (lastPos
> 0 && descr
->pos
== 0)) {
7398 fmtObj
->error
= "cannot mix \"%\" and \"%n$\" conversion specifiers";
7401 /* Look if this position was already used */
7402 for (prev
=0; prev
< curr
; ++prev
) {
7403 if (fmtObj
->descr
[prev
].pos
== -1) continue;
7404 if (fmtObj
->descr
[prev
].pos
== descr
->pos
) {
7405 fmtObj
->error
= "same \"%n$\" conversion specifier "
7406 "used more than once";
7410 /* Try to find a width after the XPG3 specifier */
7411 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7412 descr
->width
= width
;
7415 if (descr
->pos
> 0 && (size_t)descr
->pos
> fmtObj
->maxPos
)
7416 fmtObj
->maxPos
= descr
->pos
;
7418 /* Number was not a XPG3, so it has to be a width */
7419 descr
->width
= width
;
7422 /* If positioning mode was undetermined yet, fix this */
7424 lastPos
= descr
->pos
;
7425 /* Handle CHARSET conversion type ... */
7427 int swapped
= 1, beg
= i
, end
, j
;
7429 descr
->arg
= &buffer
[i
];
7431 if (*fmt
== '^') buffer
[i
++] = *fmt
++;
7432 if (*fmt
== ']') buffer
[i
++] = *fmt
++;
7433 while (*fmt
&& *fmt
!= ']') buffer
[i
++] = *fmt
++;
7435 fmtObj
->error
= "unmatched [ in format string";
7440 /* In case a range fence was given "backwards", swap it */
7443 for (j
=beg
+1; j
< end
-1; ++j
) {
7444 if (buffer
[j
] == '-' && buffer
[j
-1] > buffer
[j
+1]) {
7445 char tmp
= buffer
[j
-1];
7446 buffer
[j
-1] = buffer
[j
+1];
7453 /* Remember any valid modifier if given */
7454 if (strchr("hlL", *fmt
) != 0)
7455 descr
->modifier
= tolower((int)*fmt
++);
7458 if (strchr("efgcsndoxui", *fmt
) == 0) {
7459 fmtObj
->error
= "bad scan conversion character";
7461 } else if (*fmt
== 'c' && descr
->width
!= 0) {
7462 fmtObj
->error
= "field width may not be specified in %c "
7465 } else if (*fmt
== 'u' && descr
->modifier
== 'l') {
7466 fmtObj
->error
= "unsigned wide not supported";
7473 if (fmtObj
->convCount
== 0) {
7474 fmtObj
->error
= "no any conversion specifier given";
7480 /* Some accessor macros to allow lowlevel access to fields of internal repr */
7482 #define FormatGetCnvCount(_fo_) \
7483 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->convCount
7484 #define FormatGetMaxPos(_fo_) \
7485 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->maxPos
7486 #define FormatGetError(_fo_) \
7487 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->error
7489 /* Some Bit testing/setting/cleaning routines. For now only used in handling
7490 * charsets ([a-z123]) within scanning. Later on perhaps a base for a
7491 * bitvector implementation in Jim? */
7493 static int JimTestBit(const char *bitvec
, char ch
)
7495 div_t pos
= div(ch
-1, 8);
7496 return bitvec
[pos
.quot
] & (1 << pos
.rem
);
7499 static void JimSetBit(char *bitvec
, char ch
)
7501 div_t pos
= div(ch
-1, 8);
7502 bitvec
[pos
.quot
] |= (1 << pos
.rem
);
7505 #if 0 /* currently not used */
7506 static void JimClearBit(char *bitvec
, char ch
)
7508 div_t pos
= div(ch
-1, 8);
7509 bitvec
[pos
.quot
] &= ~(1 << pos
.rem
);
7513 /* JimScanAString is used to scan an unspecified string that ends with
7514 * next WS, or a string that is specified via a charset. The charset
7515 * is currently implemented in a way to only allow for usage with
7516 * ASCII. Whenever we will switch to UNICODE, another idea has to
7519 * FIXME: Works only with ASCII */
7522 JimScanAString(Jim_Interp
*interp
, const char *sdescr
, const char *str
)
7526 char charset
[256/8+1]; /* A Charset may contain max 256 chars */
7527 char *buffer
= Jim_Alloc(strlen(str
)+1), *anchor
= buffer
;
7529 /* First init charset to nothing or all, depending if a specified
7530 * or an unspecified string has to be parsed */
7531 memset(charset
, (sdescr
? 0 : 255), sizeof(charset
));
7533 /* There was a set description given, that means we are parsing
7534 * a specified string. So we have to build a corresponding
7535 * charset reflecting the description */
7537 /* Should the set be negated at the end? */
7538 if (*sdescr
== '^') {
7542 /* Here '-' is meant literally and not to define a range */
7543 if (*sdescr
== '-') {
7544 JimSetBit(charset
, '-');
7548 if (sdescr
[1] == '-' && sdescr
[2] != 0) {
7549 /* Handle range definitions */
7551 for (i
=sdescr
[0]; i
<= sdescr
[2]; ++i
)
7552 JimSetBit(charset
, (char)i
);
7555 /* Handle verbatim character definitions */
7556 JimSetBit(charset
, *sdescr
++);
7559 /* Negate the charset if there was a NOT given */
7560 for (i
=0; notFlag
&& i
< sizeof(charset
); ++i
)
7561 charset
[i
] = ~charset
[i
];
7563 /* And after all the mess above, the real work begin ... */
7564 while (str
&& *str
) {
7565 if (!sdescr
&& isspace((int)*str
))
7566 break; /* EOS via WS if unspecified */
7567 if (JimTestBit(charset
, *str
)) *buffer
++ = *str
++;
7568 else break; /* EOS via mismatch if specified scanning */
7570 *buffer
= 0; /* Close the string properly ... */
7571 result
= Jim_NewStringObj(interp
, anchor
, -1);
7572 Jim_Free(anchor
); /* ... and free it afer usage */
7576 /* ScanOneEntry will scan one entry out of the string passed as argument.
7577 * It use the sscanf() function for this task. After extracting and
7578 * converting of the value, the count of scanned characters will be
7579 * returned of -1 in case of no conversion tool place and string was
7580 * already scanned thru */
7582 static int ScanOneEntry(Jim_Interp
*interp
, const char *str
, long pos
,
7583 ScanFmtStringObj
*fmtObj
, long index
, Jim_Obj
**valObjPtr
)
7585 # define MAX_SIZE (sizeof(jim_wide) > sizeof(double) \
7586 ? sizeof(jim_wide) \
7588 char buffer
[MAX_SIZE
];
7589 char *value
= buffer
;
7591 const ScanFmtPartDescr
*descr
= &fmtObj
->descr
[index
];
7592 size_t sLen
= strlen(&str
[pos
]), scanned
= 0;
7593 size_t anchor
= pos
;
7596 /* First pessimiticly assume, we will not scan anything :-) */
7598 if (descr
->prefix
) {
7599 /* There was a prefix given before the conversion, skip it and adjust
7600 * the string-to-be-parsed accordingly */
7601 for (i
=0; str
[pos
] && descr
->prefix
[i
]; ++i
) {
7602 /* If prefix require, skip WS */
7603 if (isspace((int)descr
->prefix
[i
]))
7604 while (str
[pos
] && isspace((int)str
[pos
])) ++pos
;
7605 else if (descr
->prefix
[i
] != str
[pos
])
7606 break; /* Prefix do not match here, leave the loop */
7608 ++pos
; /* Prefix matched so far, next round */
7611 return -1; /* All of str consumed: EOF condition */
7612 else if (descr
->prefix
[i
] != 0)
7613 return 0; /* Not whole prefix consumed, no conversion possible */
7615 /* For all but following conversion, skip leading WS */
7616 if (descr
->type
!= 'c' && descr
->type
!= '[' && descr
->type
!= 'n')
7617 while (isspace((int)str
[pos
])) ++pos
;
7618 /* Determine how much skipped/scanned so far */
7619 scanned
= pos
- anchor
;
7620 if (descr
->type
== 'n') {
7621 /* Return pseudo conversion means: how much scanned so far? */
7622 *valObjPtr
= Jim_NewIntObj(interp
, anchor
+ scanned
);
7623 } else if (str
[pos
] == 0) {
7624 /* Cannot scan anything, as str is totally consumed */
7627 /* Processing of conversions follows ... */
7628 if (descr
->width
> 0) {
7629 /* Do not try to scan as fas as possible but only the given width.
7630 * To ensure this, we copy the part that should be scanned. */
7631 size_t tLen
= descr
->width
> sLen
? sLen
: descr
->width
;
7632 tok
= Jim_StrDupLen(&str
[pos
], tLen
);
7634 /* As no width was given, simply refer to the original string */
7637 switch (descr
->type
) {
7639 *valObjPtr
= Jim_NewIntObj(interp
, *tok
);
7642 case 'd': case 'o': case 'x': case 'u': case 'i': {
7643 char *endp
; /* Position where the number finished */
7644 int base
= descr
->type
== 'o' ? 8
7645 : descr
->type
== 'x' ? 16
7646 : descr
->type
== 'i' ? 0
7650 /* Try to scan a number with the given base */
7651 if (descr
->modifier
== 'l')
7652 #ifdef HAVE_LONG_LONG
7653 *(jim_wide
*)value
= JimStrtoll(tok
, &endp
, base
);
7655 *(jim_wide
*)value
= strtol(tok
, &endp
, base
);
7658 if (descr
->type
== 'u')
7659 *(long*)value
= strtoul(tok
, &endp
, base
);
7661 *(long*)value
= strtol(tok
, &endp
, base
);
7662 /* If scanning failed, and base was undetermined, simply
7663 * put it to 10 and try once more. This should catch the
7664 * case where %i begin to parse a number prefix (e.g.
7665 * '0x' but no further digits follows. This will be
7666 * handled as a ZERO followed by a char 'x' by Tcl */
7667 if (endp
== tok
&& base
== 0) base
= 10;
7671 /* There was some number sucessfully scanned! */
7672 if (descr
->modifier
== 'l')
7673 *valObjPtr
= Jim_NewIntObj(interp
, *(jim_wide
*)value
);
7675 *valObjPtr
= Jim_NewIntObj(interp
, *(long*)value
);
7676 /* Adjust the number-of-chars scanned so far */
7677 scanned
+= endp
- tok
;
7679 /* Nothing was scanned. We have to determine if this
7680 * happened due to e.g. prefix mismatch or input str
7682 scanned
= *tok
? 0 : -1;
7686 case 's': case '[': {
7687 *valObjPtr
= JimScanAString(interp
, descr
->arg
, tok
);
7688 scanned
+= Jim_Length(*valObjPtr
);
7691 case 'e': case 'f': case 'g': {
7694 *(double*)value
= strtod(tok
, &endp
);
7696 /* There was some number sucessfully scanned! */
7697 *valObjPtr
= Jim_NewDoubleObj(interp
, *(double*)value
);
7698 /* Adjust the number-of-chars scanned so far */
7699 scanned
+= endp
- tok
;
7701 /* Nothing was scanned. We have to determine if this
7702 * happened due to e.g. prefix mismatch or input str
7704 scanned
= *tok
? 0 : -1;
7709 /* If a substring was allocated (due to pre-defined width) do not
7710 * forget to free it */
7711 if (tok
!= &str
[pos
])
7712 Jim_Free((char*)tok
);
7717 /* Jim_ScanString is the workhorse of string scanning. It will scan a given
7718 * string and returns all converted (and not ignored) values in a list back
7719 * to the caller. If an error occured, a NULL pointer will be returned */
7721 Jim_Obj
*Jim_ScanString(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
,
7722 Jim_Obj
*fmtObjPtr
, int flags
)
7726 const char *str
= Jim_GetString(strObjPtr
, 0);
7727 Jim_Obj
*resultList
= 0;
7728 Jim_Obj
**resultVec
;
7730 Jim_Obj
*emptyStr
= 0;
7731 ScanFmtStringObj
*fmtObj
;
7733 /* If format specification is not an object, convert it! */
7734 if (fmtObjPtr
->typePtr
!= &scanFmtStringObjType
)
7735 SetScanFmtFromAny(interp
, fmtObjPtr
);
7736 fmtObj
= (ScanFmtStringObj
*)fmtObjPtr
->internalRep
.ptr
;
7737 /* Check if format specification was valid */
7738 if (fmtObj
->error
!= 0) {
7739 if (flags
& JIM_ERRMSG
)
7740 Jim_SetResultString(interp
, fmtObj
->error
, -1);
7743 /* Allocate a new "shared" empty string for all unassigned conversions */
7744 emptyStr
= Jim_NewEmptyStringObj(interp
);
7745 Jim_IncrRefCount(emptyStr
);
7746 /* Create a list and fill it with empty strings up to max specified XPG3 */
7747 resultList
= Jim_NewListObj(interp
, 0, 0);
7748 if (fmtObj
->maxPos
> 0) {
7749 for (i
=0; i
< fmtObj
->maxPos
; ++i
)
7750 Jim_ListAppendElement(interp
, resultList
, emptyStr
);
7751 JimListGetElements(interp
, resultList
, &resultc
, &resultVec
);
7753 /* Now handle every partial format description */
7754 for (i
=0, pos
=0; i
< fmtObj
->count
; ++i
) {
7755 ScanFmtPartDescr
*descr
= &(fmtObj
->descr
[i
]);
7757 /* Only last type may be "literal" w/o conversion - skip it! */
7758 if (descr
->type
== 0) continue;
7759 /* As long as any conversion could be done, we will proceed */
7761 scanned
= ScanOneEntry(interp
, str
, pos
, fmtObj
, i
, &value
);
7762 /* In case our first try results in EOF, we will leave */
7763 if (scanned
== -1 && i
== 0)
7765 /* Advance next pos-to-be-scanned for the amount scanned already */
7767 /* value == 0 means no conversion took place so take empty string */
7769 value
= Jim_NewEmptyStringObj(interp
);
7770 /* If value is a non-assignable one, skip it */
7771 if (descr
->pos
== -1) {
7772 Jim_FreeNewObj(interp
, value
);
7773 } else if (descr
->pos
== 0)
7774 /* Otherwise append it to the result list if no XPG3 was given */
7775 Jim_ListAppendElement(interp
, resultList
, value
);
7776 else if (resultVec
[descr
->pos
-1] == emptyStr
) {
7777 /* But due to given XPG3, put the value into the corr. slot */
7778 Jim_DecrRefCount(interp
, resultVec
[descr
->pos
-1]);
7779 Jim_IncrRefCount(value
);
7780 resultVec
[descr
->pos
-1] = value
;
7782 /* Otherwise, the slot was already used - free obj and ERROR */
7783 Jim_FreeNewObj(interp
, value
);
7787 Jim_DecrRefCount(interp
, emptyStr
);
7790 Jim_DecrRefCount(interp
, emptyStr
);
7791 Jim_FreeNewObj(interp
, resultList
);
7792 return (Jim_Obj
*)EOF
;
7794 Jim_DecrRefCount(interp
, emptyStr
);
7795 Jim_FreeNewObj(interp
, resultList
);
7799 /* -----------------------------------------------------------------------------
7800 * Pseudo Random Number Generation
7801 * ---------------------------------------------------------------------------*/
7802 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7805 /* Initialize the sbox with the numbers from 0 to 255 */
7806 static void JimPrngInit(Jim_Interp
*interp
)
7809 unsigned int seed
[256];
7811 interp
->prngState
= Jim_Alloc(sizeof(Jim_PrngState
));
7812 for (i
= 0; i
< 256; i
++)
7813 seed
[i
] = (rand() ^ time(NULL
) ^ clock());
7814 JimPrngSeed(interp
, (unsigned char*) seed
, sizeof(int)*256);
7817 /* Generates N bytes of random data */
7818 static void JimRandomBytes(Jim_Interp
*interp
, void *dest
, unsigned int len
)
7820 Jim_PrngState
*prng
;
7821 unsigned char *destByte
= (unsigned char*) dest
;
7822 unsigned int si
, sj
, x
;
7824 /* initialization, only needed the first time */
7825 if (interp
->prngState
== NULL
)
7826 JimPrngInit(interp
);
7827 prng
= interp
->prngState
;
7828 /* generates 'len' bytes of pseudo-random numbers */
7829 for (x
= 0; x
< len
; x
++) {
7830 prng
->i
= (prng
->i
+1) & 0xff;
7831 si
= prng
->sbox
[prng
->i
];
7832 prng
->j
= (prng
->j
+ si
) & 0xff;
7833 sj
= prng
->sbox
[prng
->j
];
7834 prng
->sbox
[prng
->i
] = sj
;
7835 prng
->sbox
[prng
->j
] = si
;
7836 *destByte
++ = prng
->sbox
[(si
+sj
)&0xff];
7840 /* Re-seed the generator with user-provided bytes */
7841 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7845 unsigned char buf
[256];
7846 Jim_PrngState
*prng
;
7848 /* initialization, only needed the first time */
7849 if (interp
->prngState
== NULL
)
7850 JimPrngInit(interp
);
7851 prng
= interp
->prngState
;
7853 /* Set the sbox[i] with i */
7854 for (i
= 0; i
< 256; i
++)
7856 /* Now use the seed to perform a random permutation of the sbox */
7857 for (i
= 0; i
< seedLen
; i
++) {
7860 t
= prng
->sbox
[i
&0xFF];
7861 prng
->sbox
[i
&0xFF] = prng
->sbox
[seed
[i
]];
7862 prng
->sbox
[seed
[i
]] = t
;
7864 prng
->i
= prng
->j
= 0;
7865 /* discard the first 256 bytes of stream. */
7866 JimRandomBytes(interp
, buf
, 256);
7869 /* -----------------------------------------------------------------------------
7870 * Dynamic libraries support (WIN32 not supported)
7871 * ---------------------------------------------------------------------------*/
7876 void * dlopen(const char *path
, int mode
)
7880 return (void *)LoadLibraryA(path
);
7882 int dlclose(void *handle
)
7884 FreeLibrary((HANDLE
)handle
);
7887 void *dlsym(void *handle
, const char *symbol
)
7889 return GetProcAddress((HMODULE
)handle
, symbol
);
7891 static char win32_dlerror_string
[121];
7892 const char *dlerror(void)
7894 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM
, NULL
, GetLastError(),
7895 LANG_NEUTRAL
, win32_dlerror_string
, 120, NULL
);
7896 return win32_dlerror_string
;
7900 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7902 Jim_Obj
*libPathObjPtr
;
7905 int (*onload
)(Jim_Interp
*interp
);
7907 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
7908 if (libPathObjPtr
== NULL
) {
7910 libPathObjPtr
= NULL
;
7912 Jim_IncrRefCount(libPathObjPtr
);
7913 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
7916 for (i
= -1; i
< prefixc
; i
++) {
7918 handle
= dlopen(pathName
, RTLD_LAZY
);
7921 char buf
[JIM_PATH_LEN
];
7924 Jim_Obj
*prefixObjPtr
;
7927 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
7928 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
7930 prefix
= Jim_GetString(prefixObjPtr
, &prefixlen
);
7931 if (prefixlen
+strlen(pathName
)+1 >= JIM_PATH_LEN
)
7933 if (*pathName
== '/') {
7934 strcpy(buf
, pathName
);
7936 else if (prefixlen
&& prefix
[prefixlen
-1] == '/')
7937 sprintf(buf
, "%s%s", prefix
, pathName
);
7939 sprintf(buf
, "%s/%s", prefix
, pathName
);
7940 fp
= fopen(buf
, "r");
7944 handle
= dlopen(buf
, RTLD_LAZY
);
7946 if (handle
== NULL
) {
7947 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7948 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7949 "error loading extension \"", pathName
,
7950 "\": ", dlerror(), NULL
);
7955 if ((onload
= dlsym(handle
, "Jim_OnLoad")) == NULL
) {
7956 Jim_SetResultString(interp
,
7957 "No Jim_OnLoad symbol found on extension", -1);
7960 if (onload(interp
) == JIM_ERR
) {
7964 Jim_SetEmptyResult(interp
);
7965 if (libPathObjPtr
!= NULL
)
7966 Jim_DecrRefCount(interp
, libPathObjPtr
);
7970 if (libPathObjPtr
!= NULL
)
7971 Jim_DecrRefCount(interp
, libPathObjPtr
);
7974 #else /* JIM_DYNLIB */
7975 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7977 JIM_NOTUSED(interp
);
7978 JIM_NOTUSED(pathName
);
7980 Jim_SetResultString(interp
, "the Jim binary has no support for [load]", -1);
7983 #endif/* JIM_DYNLIB */
7985 /* -----------------------------------------------------------------------------
7987 * ---------------------------------------------------------------------------*/
7989 #define JIM_PKG_ANY_VERSION -1
7991 /* Convert a string of the type "1.2" into an integer.
7992 * MAJOR.MINOR is converted as MAJOR*100+MINOR, so "1.2" is converted
7993 * to the integer with value 102 */
7994 static int JimPackageVersionToInt(Jim_Interp
*interp
, const char *v
,
7995 int *intPtr
, int flags
)
7998 jim_wide major
, minor
;
7999 char *majorStr
, *minorStr
, *p
;
8002 *intPtr
= JIM_PKG_ANY_VERSION
;
8006 copy
= Jim_StrDup(v
);
8007 p
= strchr(copy
, '.');
8008 if (p
== NULL
) goto badfmt
;
8013 if (Jim_StringToWide(majorStr
, &major
, 10) != JIM_OK
||
8014 Jim_StringToWide(minorStr
, &minor
, 10) != JIM_OK
)
8016 *intPtr
= (int)(major
*100+minor
);
8022 if (flags
& JIM_ERRMSG
) {
8023 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8024 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8025 "invalid package version '", v
, "'", NULL
);
8030 #define JIM_MATCHVER_EXACT (1<<JIM_PRIV_FLAG_SHIFT)
8031 static int JimPackageMatchVersion(int needed
, int actual
, int flags
)
8033 if (needed
== JIM_PKG_ANY_VERSION
) return 1;
8034 if (flags
& JIM_MATCHVER_EXACT
) {
8035 return needed
== actual
;
8037 return needed
/100 == actual
/100 && (needed
<= actual
);
8041 int Jim_PackageProvide(Jim_Interp
*interp
, const char *name
, const char *ver
,
8045 /* Check if the version format is ok */
8046 if (JimPackageVersionToInt(interp
, ver
, &intVersion
, JIM_ERRMSG
) != JIM_OK
)
8048 /* If the package was already provided returns an error. */
8049 if (Jim_FindHashEntry(&interp
->packages
, name
) != NULL
) {
8050 if (flags
& JIM_ERRMSG
) {
8051 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8052 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8053 "package '", name
, "' was already provided", NULL
);
8057 Jim_AddHashEntry(&interp
->packages
, name
, (char*) ver
);
8064 # include <sys/types.h>
8065 # include <dirent.h>
8068 /* Posix dirent.h compatiblity layer for WIN32.
8069 * Copyright Kevlin Henney, 1997, 2003. All rights reserved.
8070 * Copyright Salvatore Sanfilippo ,2005.
8072 * Permission to use, copy, modify, and distribute this software and its
8073 * documentation for any purpose is hereby granted without fee, provided
8074 * that this copyright and permissions notice appear in all copies and
8077 * This software is supplied "as is" without express or implied warranty.
8078 * This software was modified by Salvatore Sanfilippo for the Jim Interpreter.
8085 typedef struct DIR {
8086 long handle
; /* -1 for failed rewind */
8087 struct _finddata_t info
;
8088 struct dirent result
; /* d_name null iff first time */
8089 char *name
; /* null-terminated char string */
8092 DIR *opendir(const char *name
)
8096 if(name
&& name
[0]) {
8097 size_t base_length
= strlen(name
);
8098 const char *all
= /* search pattern must end with suitable wildcard */
8099 strchr("/\\", name
[base_length
- 1]) ? "*" : "/*";
8101 if((dir
= (DIR *) Jim_Alloc(sizeof *dir
)) != 0 &&
8102 (dir
->name
= (char *) Jim_Alloc(base_length
+ strlen(all
) + 1)) != 0)
8104 strcat(strcpy(dir
->name
, name
), all
);
8106 if((dir
->handle
= (long) _findfirst(dir
->name
, &dir
->info
)) != -1)
8107 dir
->result
.d_name
= 0;
8108 else { /* rollback */
8109 Jim_Free(dir
->name
);
8113 } else { /* rollback */
8124 int closedir(DIR *dir
)
8129 if(dir
->handle
!= -1)
8130 result
= _findclose(dir
->handle
);
8131 Jim_Free(dir
->name
);
8134 if(result
== -1) /* map all errors to EBADF */
8139 struct dirent
*readdir(DIR *dir
)
8141 struct dirent
*result
= 0;
8143 if(dir
&& dir
->handle
!= -1) {
8144 if(!dir
->result
.d_name
|| _findnext(dir
->handle
, &dir
->info
) != -1) {
8145 result
= &dir
->result
;
8146 result
->d_name
= dir
->info
.name
;
8156 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8157 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8159 int bestVer
= -1, i
;
8160 int pkgNameLen
= strlen(pkgName
);
8161 char *bestPackage
= NULL
;
8164 for (i
= 0; i
< prefixc
; i
++) {
8166 char buf
[JIM_PATH_LEN
];
8169 if (prefixes
[i
] == NULL
) continue;
8170 strncpy(buf
, prefixes
[i
], JIM_PATH_LEN
);
8171 buf
[JIM_PATH_LEN
-1] = '\0';
8172 prefixLen
= strlen(buf
);
8173 if (prefixLen
&& buf
[prefixLen
-1] == '/')
8174 buf
[prefixLen
-1] = '\0';
8176 if ((dir
= opendir(buf
)) == NULL
) continue;
8177 while ((de
= readdir(dir
)) != NULL
) {
8178 char *fileName
= de
->d_name
;
8179 int fileNameLen
= strlen(fileName
);
8181 if (strncmp(fileName
, "jim-", 4) == 0 &&
8182 strncmp(fileName
+4, pkgName
, pkgNameLen
) == 0 &&
8183 *(fileName
+4+pkgNameLen
) == '-' &&
8184 fileNameLen
> 4 && /* note that this is not really useful */
8185 (strncmp(fileName
+fileNameLen
-4, ".tcl", 4) == 0 ||
8186 strncmp(fileName
+fileNameLen
-4, ".dll", 4) == 0 ||
8187 strncmp(fileName
+fileNameLen
-3, ".so", 3) == 0))
8189 char ver
[6]; /* xx.yy<nulterm> */
8190 char *p
= strrchr(fileName
, '.');
8191 int verLen
, fileVer
;
8193 verLen
= p
- (fileName
+4+pkgNameLen
+1);
8194 if (verLen
< 3 || verLen
> 5) continue;
8195 memcpy(ver
, fileName
+4+pkgNameLen
+1, verLen
);
8197 if (JimPackageVersionToInt(interp
, ver
, &fileVer
, JIM_NONE
)
8198 != JIM_OK
) continue;
8199 if (JimPackageMatchVersion(pkgVer
, fileVer
, flags
) &&
8200 (bestVer
== -1 || bestVer
< fileVer
))
8203 Jim_Free(bestPackage
);
8204 bestPackage
= Jim_Alloc(strlen(buf
)+strlen(fileName
)+2);
8205 sprintf(bestPackage
, "%s/%s", buf
, fileName
);
8214 #else /* JIM_ANSIC */
8216 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8217 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8219 JIM_NOTUSED(interp
);
8220 JIM_NOTUSED(prefixes
);
8221 JIM_NOTUSED(prefixc
);
8222 JIM_NOTUSED(pkgName
);
8223 JIM_NOTUSED(pkgVer
);
8228 #endif /* JIM_ANSIC */
8230 /* Search for a suitable package under every dir specified by jim_libpath
8231 * and load it if possible. If a suitable package was loaded with success
8232 * JIM_OK is returned, otherwise JIM_ERR is returned. */
8233 static int JimLoadPackage(Jim_Interp
*interp
, const char *name
, int ver
,
8236 Jim_Obj
*libPathObjPtr
;
8237 char **prefixes
, *best
;
8238 int prefixc
, i
, retCode
= JIM_OK
;
8240 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
8241 if (libPathObjPtr
== NULL
) {
8243 libPathObjPtr
= NULL
;
8245 Jim_IncrRefCount(libPathObjPtr
);
8246 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
8249 prefixes
= Jim_Alloc(sizeof(char*)*prefixc
);
8250 for (i
= 0; i
< prefixc
; i
++) {
8251 Jim_Obj
*prefixObjPtr
;
8252 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
8253 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
8258 prefixes
[i
] = Jim_StrDup(Jim_GetString(prefixObjPtr
, NULL
));
8260 /* Scan every directory to find the "best" package. */
8261 best
= JimFindBestPackage(interp
, prefixes
, prefixc
, name
, ver
, flags
);
8263 char *p
= strrchr(best
, '.');
8264 /* Try to load/source it */
8265 if (p
&& strcmp(p
, ".tcl") == 0) {
8266 retCode
= Jim_EvalFile(interp
, best
);
8268 retCode
= Jim_LoadLibrary(interp
, best
);
8274 for (i
= 0; i
< prefixc
; i
++)
8275 Jim_Free(prefixes
[i
]);
8278 Jim_DecrRefCount(interp
, libPathObjPtr
);
8282 const char *Jim_PackageRequire(Jim_Interp
*interp
, const char *name
,
8283 const char *ver
, int flags
)
8288 /* Start with an empty error string */
8289 Jim_SetResultString(interp
, "", 0);
8291 if (JimPackageVersionToInt(interp
, ver
, &requiredVer
, JIM_ERRMSG
) != JIM_OK
)
8293 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8295 /* Try to load the package. */
8296 if (JimLoadPackage(interp
, name
, requiredVer
, flags
) == JIM_OK
) {
8297 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8303 /* No way... return an error. */
8304 if (flags
& JIM_ERRMSG
) {
8306 Jim_GetString(Jim_GetResult(interp
), &len
);
8307 Jim_AppendStrings(interp
, Jim_GetResult(interp
), len
? "\n" : "",
8308 "Can't find package '", name
, "'", NULL
);
8313 if (JimPackageVersionToInt(interp
, he
->val
, &actualVer
, JIM_ERRMSG
)
8318 /* Check if version matches. */
8319 if (JimPackageMatchVersion(requiredVer
, actualVer
, flags
) == 0) {
8320 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8321 "Package '", name
, "' already loaded, but with version ",
8329 /* -----------------------------------------------------------------------------
8331 * ---------------------------------------------------------------------------*/
8332 #define JIM_EVAL_SARGV_LEN 8 /* static arguments vector length */
8333 #define JIM_EVAL_SINTV_LEN 8 /* static interpolation vector length */
8335 static int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8336 Jim_Obj
*const *argv
);
8338 /* Handle calls to the [unknown] command */
8339 static int JimUnknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
8341 Jim_Obj
**v
, *sv
[JIM_EVAL_SARGV_LEN
];
8344 /* If JimUnknown() is recursively called (e.g. error in the unknown proc,
8347 if (interp
->unknown_called
) {
8351 /* If the [unknown] command does not exists returns
8353 if (Jim_GetCommand(interp
, interp
->unknown
, JIM_NONE
) == NULL
)
8356 /* The object interp->unknown just contains
8357 * the "unknown" string, it is used in order to
8358 * avoid to lookup the unknown command every time
8359 * but instread to cache the result. */
8360 if (argc
+1 <= JIM_EVAL_SARGV_LEN
)
8363 v
= Jim_Alloc(sizeof(Jim_Obj
*)*(argc
+1));
8364 /* Make a copy of the arguments vector, but shifted on
8365 * the right of one position. The command name of the
8366 * command will be instead the first argument of the
8367 * [unknonw] call. */
8368 memcpy(v
+1, argv
, sizeof(Jim_Obj
*)*argc
);
8369 v
[0] = interp
->unknown
;
8371 interp
->unknown_called
++;
8372 retCode
= Jim_EvalObjVector(interp
, argc
+1, v
);
8373 interp
->unknown_called
--;
8381 /* Eval the object vector 'objv' composed of 'objc' elements.
8382 * Every element is used as single argument.
8383 * Jim_EvalObj() will call this function every time its object
8384 * argument is of "list" type, with no string representation.
8386 * This is possible because the string representation of a
8387 * list object generated by the UpdateStringOfList is made
8388 * in a way that ensures that every list element is a different
8389 * command argument. */
8390 int Jim_EvalObjVector(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
8395 /* Incr refcount of arguments. */
8396 for (i
= 0; i
< objc
; i
++)
8397 Jim_IncrRefCount(objv
[i
]);
8398 /* Command lookup */
8399 cmdPtr
= Jim_GetCommand(interp
, objv
[0], JIM_ERRMSG
);
8400 if (cmdPtr
== NULL
) {
8401 retcode
= JimUnknown(interp
, objc
, objv
);
8403 /* Call it -- Make sure result is an empty object. */
8404 Jim_SetEmptyResult(interp
);
8405 if (cmdPtr
->cmdProc
) {
8406 interp
->cmdPrivData
= cmdPtr
->privData
;
8407 retcode
= cmdPtr
->cmdProc(interp
, objc
, objv
);
8408 if (retcode
== JIM_ERR_ADDSTACK
) {
8409 //JimAppendStackTrace(interp, "", script->fileName, token[i-argc*2].linenr);
8413 retcode
= JimCallProcedure(interp
, cmdPtr
, objc
, objv
);
8414 if (retcode
== JIM_ERR
) {
8415 JimAppendStackTrace(interp
,
8416 Jim_GetString(objv
[0], NULL
), "", 1);
8420 /* Decr refcount of arguments and return the retcode */
8421 for (i
= 0; i
< objc
; i
++)
8422 Jim_DecrRefCount(interp
, objv
[i
]);
8426 /* Interpolate the given tokens into a unique Jim_Obj returned by reference
8427 * via *objPtrPtr. This function is only called by Jim_EvalObj().
8428 * The returned object has refcount = 0. */
8429 int Jim_InterpolateTokens(Jim_Interp
*interp
, ScriptToken
*token
,
8430 int tokens
, Jim_Obj
**objPtrPtr
)
8432 int totlen
= 0, i
, retcode
;
8434 Jim_Obj
*sintv
[JIM_EVAL_SINTV_LEN
];
8438 if (tokens
<= JIM_EVAL_SINTV_LEN
)
8441 intv
= Jim_Alloc(sizeof(Jim_Obj
*)*
8443 /* Compute every token forming the argument
8444 * in the intv objects vector. */
8445 for (i
= 0; i
< tokens
; i
++) {
8446 switch(token
[i
].type
) {
8449 intv
[i
] = token
[i
].objPtr
;
8452 intv
[i
] = Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
8458 case JIM_TT_DICTSUGAR
:
8459 intv
[i
] = Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8466 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8467 if (retcode
!= JIM_OK
)
8469 intv
[i
] = Jim_GetResult(interp
);
8473 "default token type reached "
8474 "in Jim_InterpolateTokens().");
8477 Jim_IncrRefCount(intv
[i
]);
8478 /* Make sure there is a valid
8479 * string rep, and add the string
8480 * length to the total legnth. */
8481 Jim_GetString(intv
[i
], NULL
);
8482 totlen
+= intv
[i
]->length
;
8484 /* Concatenate every token in an unique
8486 objPtr
= Jim_NewStringObjNoAlloc(interp
,
8488 s
= objPtr
->bytes
= Jim_Alloc(totlen
+1);
8489 objPtr
->length
= totlen
;
8490 for (i
= 0; i
< tokens
; i
++) {
8491 memcpy(s
, intv
[i
]->bytes
, intv
[i
]->length
);
8492 s
+= intv
[i
]->length
;
8493 Jim_DecrRefCount(interp
, intv
[i
]);
8495 objPtr
->bytes
[totlen
] = '\0';
8496 /* Free the intv vector if not static. */
8497 if (tokens
> JIM_EVAL_SINTV_LEN
)
8499 *objPtrPtr
= objPtr
;
8504 Jim_DecrRefCount(interp
, intv
[i
]);
8505 if (tokens
> JIM_EVAL_SINTV_LEN
)
8510 /* Helper of Jim_EvalObj() to perform argument expansion.
8511 * Basically this function append an argument to 'argv'
8512 * (and increments argc by reference accordingly), performing
8513 * expansion of the list object if 'expand' is non-zero, or
8514 * just adding objPtr to argv if 'expand' is zero. */
8515 void Jim_ExpandArgument(Jim_Interp
*interp
, Jim_Obj
***argv
,
8516 int *argcPtr
, int expand
, Jim_Obj
*objPtr
)
8519 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+1));
8520 /* refcount of objPtr not incremented because
8521 * we are actually transfering a reference from
8522 * the old 'argv' to the expanded one. */
8523 (*argv
)[*argcPtr
] = objPtr
;
8528 Jim_ListLength(interp
, objPtr
, &len
);
8529 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+len
));
8530 for (i
= 0; i
< len
; i
++) {
8531 (*argv
)[*argcPtr
] = objPtr
->internalRep
.listValue
.ele
[i
];
8532 Jim_IncrRefCount(objPtr
->internalRep
.listValue
.ele
[i
]);
8535 /* The original object reference is no longer needed,
8536 * after the expansion it is no longer present on
8537 * the argument vector, but the single elements are
8539 Jim_DecrRefCount(interp
, objPtr
);
8543 int Jim_EvalObj(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8548 int *cs
; /* command structure array */
8549 int retcode
= JIM_OK
;
8550 Jim_Obj
*sargv
[JIM_EVAL_SARGV_LEN
], **argv
= NULL
, *tmpObjPtr
;
8552 interp
->errorFlag
= 0;
8554 /* If the object is of type "list" and there is no
8555 * string representation for this object, we can call
8556 * a specialized version of Jim_EvalObj() */
8557 if (scriptObjPtr
->typePtr
== &listObjType
&&
8558 scriptObjPtr
->internalRep
.listValue
.len
&&
8559 scriptObjPtr
->bytes
== NULL
) {
8560 Jim_IncrRefCount(scriptObjPtr
);
8561 retcode
= Jim_EvalObjVector(interp
,
8562 scriptObjPtr
->internalRep
.listValue
.len
,
8563 scriptObjPtr
->internalRep
.listValue
.ele
);
8564 Jim_DecrRefCount(interp
, scriptObjPtr
);
8568 Jim_IncrRefCount(scriptObjPtr
); /* Make sure it's shared. */
8569 script
= Jim_GetScript(interp
, scriptObjPtr
);
8570 /* Now we have to make sure the internal repr will not be
8571 * freed on shimmering.
8573 * Think for example to this:
8575 * set x {llength $x; ... some more code ...}; eval $x
8577 * In order to preserve the internal rep, we increment the
8578 * inUse field of the script internal rep structure. */
8581 token
= script
->token
;
8583 cs
= script
->cmdStruct
;
8584 i
= 0; /* 'i' is the current token index. */
8586 /* Reset the interpreter result. This is useful to
8587 * return the emtpy result in the case of empty program. */
8588 Jim_SetEmptyResult(interp
);
8590 /* Execute every command sequentially, returns on
8591 * error (i.e. if a command does not return JIM_OK) */
8594 int argc
= *cs
++; /* Get the number of arguments */
8597 /* Set the expand flag if needed. */
8602 /* Allocate the arguments vector */
8603 if (argc
<= JIM_EVAL_SARGV_LEN
)
8606 argv
= Jim_Alloc(sizeof(Jim_Obj
*)*argc
);
8607 /* Populate the arguments objects. */
8608 for (j
= 0; j
< argc
; j
++) {
8611 /* tokens is negative if expansion is needed.
8612 * for this argument. */
8614 tokens
= (-tokens
)-1;
8618 /* Fast path if the token does not
8619 * need interpolation */
8620 switch(token
[i
].type
) {
8623 argv
[j
] = token
[i
].objPtr
;
8626 tmpObjPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
,
8632 argv
[j
] = tmpObjPtr
;
8634 case JIM_TT_DICTSUGAR
:
8635 tmpObjPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8640 argv
[j
] = tmpObjPtr
;
8643 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8644 if (retcode
!= JIM_OK
)
8646 argv
[j
] = Jim_GetResult(interp
);
8650 "default token type reached "
8651 "in Jim_EvalObj().");
8654 Jim_IncrRefCount(argv
[j
]);
8657 /* For interpolation we call an helper
8658 * function doing the work for us. */
8659 if ((retcode
= Jim_InterpolateTokens(interp
,
8660 token
+i
, tokens
, &tmpObjPtr
)) != JIM_OK
)
8664 argv
[j
] = tmpObjPtr
;
8665 Jim_IncrRefCount(argv
[j
]);
8669 /* Handle {expand} expansion */
8671 int *ecs
= cs
- argc
;
8673 Jim_Obj
**eargv
= NULL
;
8675 for (j
= 0; j
< argc
; j
++) {
8676 Jim_ExpandArgument( interp
, &eargv
, &eargc
,
8677 ecs
[j
] < 0, argv
[j
]);
8685 /* Nothing to do with zero args. */
8690 /* Lookup the command to call */
8691 cmd
= Jim_GetCommand(interp
, argv
[0], JIM_ERRMSG
);
8693 /* Call it -- Make sure result is an empty object. */
8694 Jim_SetEmptyResult(interp
);
8696 interp
->cmdPrivData
= cmd
->privData
;
8697 retcode
= cmd
->cmdProc(interp
, argc
, argv
);
8698 if ((retcode
== JIM_ERR
)||(retcode
== JIM_ERR_ADDSTACK
)) {
8699 JimAppendStackTrace(interp
, "", script
->fileName
, token
[i
-argc
*2].linenr
);
8703 retcode
= JimCallProcedure(interp
, cmd
, argc
, argv
);
8704 if (retcode
== JIM_ERR
) {
8705 JimAppendStackTrace(interp
,
8706 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8707 token
[i
-argc
*2].linenr
);
8711 /* Call [unknown] */
8712 retcode
= JimUnknown(interp
, argc
, argv
);
8713 if (retcode
== JIM_ERR
) {
8714 JimAppendStackTrace(interp
,
8715 "", script
->fileName
,
8716 token
[i
-argc
*2].linenr
);
8719 if (retcode
!= JIM_OK
) {
8720 i
-= argc
*2; /* point to the command name. */
8723 /* Decrement the arguments count */
8724 for (j
= 0; j
< argc
; j
++) {
8725 Jim_DecrRefCount(interp
, argv
[j
]);
8728 if (argv
!= sargv
) {
8733 /* Note that we don't have to decrement inUse, because the
8734 * following code transfers our use of the reference again to
8735 * the script object. */
8736 j
= 0; /* on normal termination, the argv array is already
8737 Jim_DecrRefCount-ed. */
8739 /* Handle errors. */
8740 if (retcode
== JIM_ERR
&& !interp
->errorFlag
) {
8741 interp
->errorFlag
= 1;
8742 JimSetErrorFileName(interp
, script
->fileName
);
8743 JimSetErrorLineNumber(interp
, token
[i
].linenr
);
8744 JimResetStackTrace(interp
);
8746 Jim_FreeIntRep(interp
, scriptObjPtr
);
8747 scriptObjPtr
->typePtr
= &scriptObjType
;
8748 Jim_SetIntRepPtr(scriptObjPtr
, script
);
8749 Jim_DecrRefCount(interp
, scriptObjPtr
);
8750 for (i
= 0; i
< j
; i
++) {
8751 Jim_DecrRefCount(interp
, argv
[i
]);
8758 /* Call a procedure implemented in Tcl.
8759 * It's possible to speed-up a lot this function, currently
8760 * the callframes are not cached, but allocated and
8761 * destroied every time. What is expecially costly is
8762 * to create/destroy the local vars hash table every time.
8764 * This can be fixed just implementing callframes caching
8765 * in JimCreateCallFrame() and JimFreeCallFrame(). */
8766 int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8767 Jim_Obj
*const *argv
)
8770 Jim_CallFrame
*callFramePtr
;
8774 if (argc
< cmd
->arityMin
|| (cmd
->arityMax
!= -1 &&
8775 argc
> cmd
->arityMax
)) {
8776 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
8777 Jim_AppendStrings(interp
, objPtr
,
8778 "wrong # args: should be \"", Jim_GetString(argv
[0], NULL
),
8779 (cmd
->arityMin
> 1) ? " " : "",
8780 Jim_GetString(cmd
->argListObjPtr
, NULL
), "\"", NULL
);
8781 Jim_SetResult(interp
, objPtr
);
8784 /* Check if there are too nested calls */
8785 if (interp
->numLevels
== interp
->maxNestingDepth
) {
8786 Jim_SetResultString(interp
,
8787 "Too many nested calls. Infinite recursion?", -1);
8790 /* Create a new callframe */
8791 callFramePtr
= JimCreateCallFrame(interp
);
8792 callFramePtr
->parentCallFrame
= interp
->framePtr
;
8793 callFramePtr
->argv
= argv
;
8794 callFramePtr
->argc
= argc
;
8795 callFramePtr
->procArgsObjPtr
= cmd
->argListObjPtr
;
8796 callFramePtr
->procBodyObjPtr
= cmd
->bodyObjPtr
;
8797 callFramePtr
->staticVars
= cmd
->staticVars
;
8798 Jim_IncrRefCount(cmd
->argListObjPtr
);
8799 Jim_IncrRefCount(cmd
->bodyObjPtr
);
8800 interp
->framePtr
= callFramePtr
;
8801 interp
->numLevels
++;
8804 Jim_ListLength(interp
, cmd
->argListObjPtr
, &num_args
);
8806 /* If last argument is 'args', don't set it here */
8807 if (cmd
->arityMax
== -1) {
8811 for (i
= 0; i
< num_args
; i
++) {
8813 Jim_Obj
*nameObjPtr
;
8814 Jim_Obj
*valueObjPtr
;
8816 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &argObjPtr
, JIM_NONE
);
8817 if (i
+ 1 >= cmd
->arityMin
) {
8818 /* The name is the first element of the list */
8819 Jim_ListIndex(interp
, argObjPtr
, 0, &nameObjPtr
, JIM_NONE
);
8822 /* The element arg is the name */
8823 nameObjPtr
= argObjPtr
;
8826 if (i
+ 1 >= argc
) {
8827 /* No more values, so use default */
8828 /* The value is the second element of the list */
8829 Jim_ListIndex(interp
, argObjPtr
, 1, &valueObjPtr
, JIM_NONE
);
8832 valueObjPtr
= argv
[i
+1];
8834 Jim_SetVariable(interp
, nameObjPtr
, valueObjPtr
);
8836 /* Set optional arguments */
8837 if (cmd
->arityMax
== -1) {
8838 Jim_Obj
*listObjPtr
, *objPtr
;
8841 listObjPtr
= Jim_NewListObj(interp
, argv
+i
, argc
-i
);
8842 Jim_ListIndex(interp
, cmd
->argListObjPtr
, num_args
, &objPtr
, JIM_NONE
);
8843 Jim_SetVariable(interp
, objPtr
, listObjPtr
);
8846 retcode
= Jim_EvalObj(interp
, cmd
->bodyObjPtr
);
8848 /* Destroy the callframe */
8849 interp
->numLevels
--;
8850 interp
->framePtr
= interp
->framePtr
->parentCallFrame
;
8851 if (callFramePtr
->vars
.size
!= JIM_HT_INITIAL_SIZE
) {
8852 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NONE
);
8854 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NOHT
);
8856 /* Handle the JIM_EVAL return code */
8857 if (retcode
== JIM_EVAL
&& interp
->evalRetcodeLevel
!= interp
->numLevels
) {
8858 int savedLevel
= interp
->evalRetcodeLevel
;
8860 interp
->evalRetcodeLevel
= interp
->numLevels
;
8861 while (retcode
== JIM_EVAL
) {
8862 Jim_Obj
*resultScriptObjPtr
= Jim_GetResult(interp
);
8863 Jim_IncrRefCount(resultScriptObjPtr
);
8864 retcode
= Jim_EvalObj(interp
, resultScriptObjPtr
);
8865 Jim_DecrRefCount(interp
, resultScriptObjPtr
);
8867 interp
->evalRetcodeLevel
= savedLevel
;
8869 /* Handle the JIM_RETURN return code */
8870 if (retcode
== JIM_RETURN
) {
8871 retcode
= interp
->returnCode
;
8872 interp
->returnCode
= JIM_OK
;
8877 int Jim_Eval_Named(Jim_Interp
*interp
, const char *script
, const char *filename
, int lineno
)
8880 Jim_Obj
*scriptObjPtr
;
8882 scriptObjPtr
= Jim_NewStringObj(interp
, script
, -1);
8883 Jim_IncrRefCount(scriptObjPtr
);
8887 JimSetSourceInfo( interp
, scriptObjPtr
, filename
, lineno
);
8890 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8891 Jim_DecrRefCount(interp
, scriptObjPtr
);
8895 int Jim_Eval(Jim_Interp
*interp
, const char *script
)
8897 return Jim_Eval_Named( interp
, script
, NULL
, 0 );
8902 /* Execute script in the scope of the global level */
8903 int Jim_EvalGlobal(Jim_Interp
*interp
, const char *script
)
8905 Jim_CallFrame
*savedFramePtr
;
8908 savedFramePtr
= interp
->framePtr
;
8909 interp
->framePtr
= interp
->topFramePtr
;
8910 retval
= Jim_Eval(interp
, script
);
8911 interp
->framePtr
= savedFramePtr
;
8915 int Jim_EvalObjBackground(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8917 Jim_CallFrame
*savedFramePtr
;
8920 savedFramePtr
= interp
->framePtr
;
8921 interp
->framePtr
= interp
->topFramePtr
;
8922 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8923 interp
->framePtr
= savedFramePtr
;
8924 /* Try to report the error (if any) via the bgerror proc */
8925 if (retval
!= JIM_OK
) {
8928 objv
[0] = Jim_NewStringObj(interp
, "bgerror", -1);
8929 objv
[1] = Jim_GetResult(interp
);
8930 Jim_IncrRefCount(objv
[0]);
8931 Jim_IncrRefCount(objv
[1]);
8932 if (Jim_EvalObjVector(interp
, 2, objv
) != JIM_OK
) {
8933 /* Report the error to stderr. */
8934 Jim_fprintf( interp
, interp
->cookie_stderr
, "Background error:" JIM_NL
);
8935 Jim_PrintErrorMessage(interp
);
8937 Jim_DecrRefCount(interp
, objv
[0]);
8938 Jim_DecrRefCount(interp
, objv
[1]);
8943 int Jim_EvalFile(Jim_Interp
*interp
, const char *filename
)
8947 int nread
, totread
, maxlen
, buflen
;
8949 Jim_Obj
*scriptObjPtr
;
8951 if ((fp
= fopen(filename
, "r")) == NULL
) {
8952 const int cwd_len
=2048;
8953 char *cwd
=malloc(cwd_len
);
8954 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8955 getcwd( cwd
, cwd_len
);
8956 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8957 "Error loading script \"", filename
, "\"",
8959 " err: ", strerror(errno
), NULL
);
8964 maxlen
= totread
= 0;
8966 if (maxlen
< totread
+buflen
+1) {
8967 maxlen
= totread
+buflen
+1;
8968 prg
= Jim_Realloc(prg
, maxlen
);
8970 /* do not use Jim_fread() - this is really a file */
8971 if ((nread
= fread(prg
+totread
, 1, buflen
, fp
)) == 0) break;
8974 prg
[totread
] = '\0';
8975 /* do not use Jim_fclose() - this is really a file */
8978 scriptObjPtr
= Jim_NewStringObjNoAlloc(interp
, prg
, totread
);
8979 JimSetSourceInfo(interp
, scriptObjPtr
, filename
, 1);
8980 Jim_IncrRefCount(scriptObjPtr
);
8981 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8982 Jim_DecrRefCount(interp
, scriptObjPtr
);
8986 /* -----------------------------------------------------------------------------
8988 * ---------------------------------------------------------------------------*/
8989 static int JimParseSubstStr(struct JimParserCtx
*pc
)
8992 pc
->tline
= pc
->linenr
;
8993 while (*pc
->p
&& *pc
->p
!= '$' && *pc
->p
!= '[') {
8997 pc
->tt
= JIM_TT_ESC
;
9001 static int JimParseSubst(struct JimParserCtx
*pc
, int flags
)
9006 pc
->tstart
= pc
->tend
= pc
->p
;
9007 pc
->tline
= pc
->linenr
;
9008 pc
->tt
= JIM_TT_EOL
;
9014 retval
= JimParseCmd(pc
);
9015 if (flags
& JIM_SUBST_NOCMD
) {
9018 pc
->tt
= (flags
& JIM_SUBST_NOESC
) ?
9019 JIM_TT_STR
: JIM_TT_ESC
;
9024 if (JimParseVar(pc
) == JIM_ERR
) {
9025 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
9026 pc
->tline
= pc
->linenr
;
9027 pc
->tt
= JIM_TT_STR
;
9029 if (flags
& JIM_SUBST_NOVAR
) {
9031 if (flags
& JIM_SUBST_NOESC
)
9032 pc
->tt
= JIM_TT_STR
;
9034 pc
->tt
= JIM_TT_ESC
;
9035 if (*pc
->tstart
== '{') {
9044 retval
= JimParseSubstStr(pc
);
9045 if (flags
& JIM_SUBST_NOESC
)
9046 pc
->tt
= JIM_TT_STR
;
9053 /* The subst object type reuses most of the data structures and functions
9054 * of the script object. Script's data structures are a bit more complex
9055 * for what is needed for [subst]itution tasks, but the reuse helps to
9056 * deal with a single data structure at the cost of some more memory
9057 * usage for substitutions. */
9058 static Jim_ObjType substObjType
= {
9060 FreeScriptInternalRep
,
9061 DupScriptInternalRep
,
9063 JIM_TYPE_REFERENCES
,
9066 /* This method takes the string representation of an object
9067 * as a Tcl string where to perform [subst]itution, and generates
9068 * the pre-parsed internal representation. */
9069 int SetSubstFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
, int flags
)
9072 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
9073 struct JimParserCtx parser
;
9074 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
9078 script
->commands
= 0;
9079 script
->token
= NULL
;
9080 script
->cmdStruct
= NULL
;
9082 script
->substFlags
= flags
;
9083 script
->fileName
= NULL
;
9085 JimParserInit(&parser
, scriptText
, scriptTextLen
, 1);
9088 int len
, type
, linenr
;
9090 JimParseSubst(&parser
, flags
);
9091 if (JimParserEof(&parser
)) break;
9092 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
9093 ScriptObjAddToken(interp
, script
, token
, len
, type
,
9096 /* Free the old internal rep and set the new one. */
9097 Jim_FreeIntRep(interp
, objPtr
);
9098 Jim_SetIntRepPtr(objPtr
, script
);
9099 objPtr
->typePtr
= &scriptObjType
;
9103 ScriptObj
*Jim_GetSubst(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
9105 struct ScriptObj
*script
= Jim_GetIntRepPtr(objPtr
);
9107 if (objPtr
->typePtr
!= &substObjType
|| script
->substFlags
!= flags
)
9108 SetSubstFromAny(interp
, objPtr
, flags
);
9109 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
9112 /* Performs commands,variables,blackslashes substitution,
9113 * storing the result object (with refcount 0) into
9115 int Jim_SubstObj(Jim_Interp
*interp
, Jim_Obj
*substObjPtr
,
9116 Jim_Obj
**resObjPtrPtr
, int flags
)
9120 int i
, len
, retcode
= JIM_OK
;
9121 Jim_Obj
*resObjPtr
, *savedResultObjPtr
;
9123 script
= Jim_GetSubst(interp
, substObjPtr
, flags
);
9124 #ifdef JIM_OPTIMIZATION
9125 /* Fast path for a very common case with array-alike syntax,
9126 * that's: $foo($bar) */
9127 if (script
->len
== 1 && script
->token
[0].type
== JIM_TT_VAR
) {
9128 Jim_Obj
*varObjPtr
= script
->token
[0].objPtr
;
9130 Jim_IncrRefCount(varObjPtr
);
9131 resObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
9132 if (resObjPtr
== NULL
) {
9133 Jim_DecrRefCount(interp
, varObjPtr
);
9136 Jim_DecrRefCount(interp
, varObjPtr
);
9137 *resObjPtrPtr
= resObjPtr
;
9142 Jim_IncrRefCount(substObjPtr
); /* Make sure it's shared. */
9143 /* In order to preserve the internal rep, we increment the
9144 * inUse field of the script internal rep structure. */
9147 token
= script
->token
;
9150 /* Save the interp old result, to set it again before
9152 savedResultObjPtr
= interp
->result
;
9153 Jim_IncrRefCount(savedResultObjPtr
);
9155 /* Perform the substitution. Starts with an empty object
9156 * and adds every token (performing the appropriate
9157 * var/command/escape substitution). */
9158 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
9159 for (i
= 0; i
< len
; i
++) {
9162 switch(token
[i
].type
) {
9165 Jim_AppendObj(interp
, resObjPtr
, token
[i
].objPtr
);
9168 objPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
9169 if (objPtr
== NULL
) goto err
;
9170 Jim_IncrRefCount(objPtr
);
9171 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
9172 Jim_DecrRefCount(interp
, objPtr
);
9174 case JIM_TT_DICTSUGAR
:
9175 objPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
9182 if (Jim_EvalObj(interp
, token
[i
].objPtr
) != JIM_OK
)
9184 Jim_AppendObj(interp
, resObjPtr
, interp
->result
);
9188 "default token type (%d) reached "
9189 "in Jim_SubstObj().", token
[i
].type
);
9194 if (retcode
== JIM_OK
)
9195 Jim_SetResult(interp
, savedResultObjPtr
);
9196 Jim_DecrRefCount(interp
, savedResultObjPtr
);
9197 /* Note that we don't have to decrement inUse, because the
9198 * following code transfers our use of the reference again to
9199 * the script object. */
9200 Jim_FreeIntRep(interp
, substObjPtr
);
9201 substObjPtr
->typePtr
= &scriptObjType
;
9202 Jim_SetIntRepPtr(substObjPtr
, script
);
9203 Jim_DecrRefCount(interp
, substObjPtr
);
9204 *resObjPtrPtr
= resObjPtr
;
9207 Jim_FreeNewObj(interp
, resObjPtr
);
9212 /* -----------------------------------------------------------------------------
9213 * API Input/Export functions
9214 * ---------------------------------------------------------------------------*/
9216 int Jim_GetApi(Jim_Interp
*interp
, const char *funcname
, void *targetPtrPtr
)
9220 he
= Jim_FindHashEntry(&interp
->stub
, funcname
);
9223 memcpy(targetPtrPtr
, &he
->val
, sizeof(void*));
9227 int Jim_RegisterApi(Jim_Interp
*interp
, const char *funcname
, void *funcptr
)
9229 return Jim_AddHashEntry(&interp
->stub
, funcname
, funcptr
);
9232 #define JIM_REGISTER_API(name) \
9233 Jim_RegisterApi(interp, "Jim_" #name, (void *)Jim_ ## name)
9235 void JimRegisterCoreApi(Jim_Interp
*interp
)
9237 interp
->getApiFuncPtr
= Jim_GetApi
;
9238 JIM_REGISTER_API(Alloc
);
9239 JIM_REGISTER_API(Free
);
9240 JIM_REGISTER_API(Eval
);
9241 JIM_REGISTER_API(Eval_Named
);
9242 JIM_REGISTER_API(EvalGlobal
);
9243 JIM_REGISTER_API(EvalFile
);
9244 JIM_REGISTER_API(EvalObj
);
9245 JIM_REGISTER_API(EvalObjBackground
);
9246 JIM_REGISTER_API(EvalObjVector
);
9247 JIM_REGISTER_API(InitHashTable
);
9248 JIM_REGISTER_API(ExpandHashTable
);
9249 JIM_REGISTER_API(AddHashEntry
);
9250 JIM_REGISTER_API(ReplaceHashEntry
);
9251 JIM_REGISTER_API(DeleteHashEntry
);
9252 JIM_REGISTER_API(FreeHashTable
);
9253 JIM_REGISTER_API(FindHashEntry
);
9254 JIM_REGISTER_API(ResizeHashTable
);
9255 JIM_REGISTER_API(GetHashTableIterator
);
9256 JIM_REGISTER_API(NextHashEntry
);
9257 JIM_REGISTER_API(NewObj
);
9258 JIM_REGISTER_API(FreeObj
);
9259 JIM_REGISTER_API(InvalidateStringRep
);
9260 JIM_REGISTER_API(InitStringRep
);
9261 JIM_REGISTER_API(DuplicateObj
);
9262 JIM_REGISTER_API(GetString
);
9263 JIM_REGISTER_API(Length
);
9264 JIM_REGISTER_API(InvalidateStringRep
);
9265 JIM_REGISTER_API(NewStringObj
);
9266 JIM_REGISTER_API(NewStringObjNoAlloc
);
9267 JIM_REGISTER_API(AppendString
);
9268 JIM_REGISTER_API(AppendString_sprintf
);
9269 JIM_REGISTER_API(AppendObj
);
9270 JIM_REGISTER_API(AppendStrings
);
9271 JIM_REGISTER_API(StringEqObj
);
9272 JIM_REGISTER_API(StringMatchObj
);
9273 JIM_REGISTER_API(StringRangeObj
);
9274 JIM_REGISTER_API(FormatString
);
9275 JIM_REGISTER_API(CompareStringImmediate
);
9276 JIM_REGISTER_API(NewReference
);
9277 JIM_REGISTER_API(GetReference
);
9278 JIM_REGISTER_API(SetFinalizer
);
9279 JIM_REGISTER_API(GetFinalizer
);
9280 JIM_REGISTER_API(CreateInterp
);
9281 JIM_REGISTER_API(FreeInterp
);
9282 JIM_REGISTER_API(GetExitCode
);
9283 JIM_REGISTER_API(SetStdin
);
9284 JIM_REGISTER_API(SetStdout
);
9285 JIM_REGISTER_API(SetStderr
);
9286 JIM_REGISTER_API(CreateCommand
);
9287 JIM_REGISTER_API(CreateProcedure
);
9288 JIM_REGISTER_API(DeleteCommand
);
9289 JIM_REGISTER_API(RenameCommand
);
9290 JIM_REGISTER_API(GetCommand
);
9291 JIM_REGISTER_API(SetVariable
);
9292 JIM_REGISTER_API(SetVariableStr
);
9293 JIM_REGISTER_API(SetGlobalVariableStr
);
9294 JIM_REGISTER_API(SetVariableStrWithStr
);
9295 JIM_REGISTER_API(SetVariableLink
);
9296 JIM_REGISTER_API(GetVariable
);
9297 JIM_REGISTER_API(GetCallFrameByLevel
);
9298 JIM_REGISTER_API(Collect
);
9299 JIM_REGISTER_API(CollectIfNeeded
);
9300 JIM_REGISTER_API(GetIndex
);
9301 JIM_REGISTER_API(NewListObj
);
9302 JIM_REGISTER_API(ListAppendElement
);
9303 JIM_REGISTER_API(ListAppendList
);
9304 JIM_REGISTER_API(ListLength
);
9305 JIM_REGISTER_API(ListIndex
);
9306 JIM_REGISTER_API(SetListIndex
);
9307 JIM_REGISTER_API(ConcatObj
);
9308 JIM_REGISTER_API(NewDictObj
);
9309 JIM_REGISTER_API(DictKey
);
9310 JIM_REGISTER_API(DictKeysVector
);
9311 JIM_REGISTER_API(GetIndex
);
9312 JIM_REGISTER_API(GetReturnCode
);
9313 JIM_REGISTER_API(EvalExpression
);
9314 JIM_REGISTER_API(GetBoolFromExpr
);
9315 JIM_REGISTER_API(GetWide
);
9316 JIM_REGISTER_API(GetLong
);
9317 JIM_REGISTER_API(SetWide
);
9318 JIM_REGISTER_API(NewIntObj
);
9319 JIM_REGISTER_API(GetDouble
);
9320 JIM_REGISTER_API(SetDouble
);
9321 JIM_REGISTER_API(NewDoubleObj
);
9322 JIM_REGISTER_API(WrongNumArgs
);
9323 JIM_REGISTER_API(SetDictKeysVector
);
9324 JIM_REGISTER_API(SubstObj
);
9325 JIM_REGISTER_API(RegisterApi
);
9326 JIM_REGISTER_API(PrintErrorMessage
);
9327 JIM_REGISTER_API(InteractivePrompt
);
9328 JIM_REGISTER_API(RegisterCoreCommands
);
9329 JIM_REGISTER_API(GetSharedString
);
9330 JIM_REGISTER_API(ReleaseSharedString
);
9331 JIM_REGISTER_API(Panic
);
9332 JIM_REGISTER_API(StrDup
);
9333 JIM_REGISTER_API(UnsetVariable
);
9334 JIM_REGISTER_API(GetVariableStr
);
9335 JIM_REGISTER_API(GetGlobalVariable
);
9336 JIM_REGISTER_API(GetGlobalVariableStr
);
9337 JIM_REGISTER_API(GetAssocData
);
9338 JIM_REGISTER_API(SetAssocData
);
9339 JIM_REGISTER_API(DeleteAssocData
);
9340 JIM_REGISTER_API(GetEnum
);
9341 JIM_REGISTER_API(ScriptIsComplete
);
9342 JIM_REGISTER_API(PackageRequire
);
9343 JIM_REGISTER_API(PackageProvide
);
9344 JIM_REGISTER_API(InitStack
);
9345 JIM_REGISTER_API(FreeStack
);
9346 JIM_REGISTER_API(StackLen
);
9347 JIM_REGISTER_API(StackPush
);
9348 JIM_REGISTER_API(StackPop
);
9349 JIM_REGISTER_API(StackPeek
);
9350 JIM_REGISTER_API(FreeStackElements
);
9351 JIM_REGISTER_API(fprintf
);
9352 JIM_REGISTER_API(vfprintf
);
9353 JIM_REGISTER_API(fwrite
);
9354 JIM_REGISTER_API(fread
);
9355 JIM_REGISTER_API(fflush
);
9356 JIM_REGISTER_API(fgets
);
9357 JIM_REGISTER_API(GetNvp
);
9358 JIM_REGISTER_API(Nvp_name2value
);
9359 JIM_REGISTER_API(Nvp_name2value_simple
);
9360 JIM_REGISTER_API(Nvp_name2value_obj
);
9361 JIM_REGISTER_API(Nvp_name2value_nocase
);
9362 JIM_REGISTER_API(Nvp_name2value_obj_nocase
);
9364 JIM_REGISTER_API(Nvp_value2name
);
9365 JIM_REGISTER_API(Nvp_value2name_simple
);
9366 JIM_REGISTER_API(Nvp_value2name_obj
);
9368 JIM_REGISTER_API(GetOpt_Setup
);
9369 JIM_REGISTER_API(GetOpt_Debug
);
9370 JIM_REGISTER_API(GetOpt_Obj
);
9371 JIM_REGISTER_API(GetOpt_String
);
9372 JIM_REGISTER_API(GetOpt_Double
);
9373 JIM_REGISTER_API(GetOpt_Wide
);
9374 JIM_REGISTER_API(GetOpt_Nvp
);
9375 JIM_REGISTER_API(GetOpt_NvpUnknown
);
9376 JIM_REGISTER_API(GetOpt_Enum
);
9378 JIM_REGISTER_API(Debug_ArgvString
);
9379 JIM_REGISTER_API(SetResult_sprintf
);
9380 JIM_REGISTER_API(SetResult_NvpUnknown
);
9384 /* -----------------------------------------------------------------------------
9385 * Core commands utility functions
9386 * ---------------------------------------------------------------------------*/
9387 void Jim_WrongNumArgs(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
,
9391 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
9393 Jim_AppendString(interp
, objPtr
, "wrong # args: should be \"", -1);
9394 for (i
= 0; i
< argc
; i
++) {
9395 Jim_AppendObj(interp
, objPtr
, argv
[i
]);
9396 if (!(i
+1 == argc
&& msg
[0] == '\0'))
9397 Jim_AppendString(interp
, objPtr
, " ", 1);
9399 Jim_AppendString(interp
, objPtr
, msg
, -1);
9400 Jim_AppendString(interp
, objPtr
, "\"", 1);
9401 Jim_SetResult(interp
, objPtr
);
9404 static Jim_Obj
*JimCommandsList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
)
9406 Jim_HashTableIterator
*htiter
;
9408 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9409 const char *pattern
;
9412 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9413 htiter
= Jim_GetHashTableIterator(&interp
->commands
);
9414 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9415 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9416 strlen((const char*)he
->key
), 0))
9418 Jim_ListAppendElement(interp
, listObjPtr
,
9419 Jim_NewStringObj(interp
, he
->key
, -1));
9421 Jim_FreeHashTableIterator(htiter
);
9425 #define JIM_VARLIST_GLOBALS 0
9426 #define JIM_VARLIST_LOCALS 1
9427 #define JIM_VARLIST_VARS 2
9429 static Jim_Obj
*JimVariablesList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
,
9432 Jim_HashTableIterator
*htiter
;
9434 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9435 const char *pattern
;
9438 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9439 if (mode
== JIM_VARLIST_GLOBALS
) {
9440 htiter
= Jim_GetHashTableIterator(&interp
->topFramePtr
->vars
);
9442 /* For [info locals], if we are at top level an emtpy list
9443 * is returned. I don't agree, but we aim at compatibility (SS) */
9444 if (mode
== JIM_VARLIST_LOCALS
&&
9445 interp
->framePtr
== interp
->topFramePtr
)
9447 htiter
= Jim_GetHashTableIterator(&interp
->framePtr
->vars
);
9449 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9450 Jim_Var
*varPtr
= (Jim_Var
*) he
->val
;
9451 if (mode
== JIM_VARLIST_LOCALS
) {
9452 if (varPtr
->linkFramePtr
!= NULL
)
9455 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9456 strlen((const char*)he
->key
), 0))
9458 Jim_ListAppendElement(interp
, listObjPtr
,
9459 Jim_NewStringObj(interp
, he
->key
, -1));
9461 Jim_FreeHashTableIterator(htiter
);
9465 static int JimInfoLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
9466 Jim_Obj
**objPtrPtr
)
9468 Jim_CallFrame
*targetCallFrame
;
9470 if (JimGetCallFrameByInteger(interp
, levelObjPtr
, &targetCallFrame
)
9473 /* No proc call at toplevel callframe */
9474 if (targetCallFrame
== interp
->topFramePtr
) {
9475 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
9476 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
9478 Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
9481 *objPtrPtr
= Jim_NewListObj(interp
,
9482 targetCallFrame
->argv
,
9483 targetCallFrame
->argc
);
9487 /* -----------------------------------------------------------------------------
9489 * ---------------------------------------------------------------------------*/
9491 /* fake [puts] -- not the real puts, just for debugging. */
9492 static int Jim_PutsCoreCommand(Jim_Interp
*interp
, int argc
,
9493 Jim_Obj
*const *argv
)
9496 int len
, nonewline
= 0;
9498 if (argc
!= 2 && argc
!= 3) {
9499 Jim_WrongNumArgs(interp
, 1, argv
, "-nonewline string");
9503 if (!Jim_CompareStringImmediate(interp
, argv
[1], "-nonewline"))
9505 Jim_SetResultString(interp
, "The second argument must "
9506 "be -nonewline", -1);
9513 str
= Jim_GetString(argv
[1], &len
);
9514 Jim_fwrite(interp
, str
, 1, len
, interp
->cookie_stdout
);
9515 if (!nonewline
) Jim_fprintf( interp
, interp
->cookie_stdout
, JIM_NL
);
9519 /* Helper for [+] and [*] */
9520 static int Jim_AddMulHelper(Jim_Interp
*interp
, int argc
,
9521 Jim_Obj
*const *argv
, int op
)
9523 jim_wide wideValue
, res
;
9524 double doubleValue
, doubleRes
;
9527 res
= (op
== JIM_EXPROP_ADD
) ? 0 : 1;
9529 for (i
= 1; i
< argc
; i
++) {
9530 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
)
9532 if (op
== JIM_EXPROP_ADD
)
9537 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9540 doubleRes
= (double) res
;
9541 for (;i
< argc
; i
++) {
9542 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9544 if (op
== JIM_EXPROP_ADD
)
9545 doubleRes
+= doubleValue
;
9547 doubleRes
*= doubleValue
;
9549 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9553 /* Helper for [-] and [/] */
9554 static int Jim_SubDivHelper(Jim_Interp
*interp
, int argc
,
9555 Jim_Obj
*const *argv
, int op
)
9557 jim_wide wideValue
, res
= 0;
9558 double doubleValue
, doubleRes
= 0;
9562 Jim_WrongNumArgs(interp
, 1, argv
, "number ?number ... number?");
9564 } else if (argc
== 2) {
9565 /* The arity = 2 case is different. For [- x] returns -x,
9566 * while [/ x] returns 1/x. */
9567 if (Jim_GetWide(interp
, argv
[1], &wideValue
) != JIM_OK
) {
9568 if (Jim_GetDouble(interp
, argv
[1], &doubleValue
) !=
9573 if (op
== JIM_EXPROP_SUB
)
9574 doubleRes
= -doubleValue
;
9576 doubleRes
= 1.0/doubleValue
;
9577 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9582 if (op
== JIM_EXPROP_SUB
) {
9584 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9586 doubleRes
= 1.0/wideValue
;
9587 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9592 if (Jim_GetWide(interp
, argv
[1], &res
) != JIM_OK
) {
9593 if (Jim_GetDouble(interp
, argv
[1], &doubleRes
)
9601 for (i
= 2; i
< argc
; i
++) {
9602 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
) {
9603 doubleRes
= (double) res
;
9606 if (op
== JIM_EXPROP_SUB
)
9611 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9614 for (;i
< argc
; i
++) {
9615 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9617 if (op
== JIM_EXPROP_SUB
)
9618 doubleRes
-= doubleValue
;
9620 doubleRes
/= doubleValue
;
9622 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9628 static int Jim_AddCoreCommand(Jim_Interp
*interp
, int argc
,
9629 Jim_Obj
*const *argv
)
9631 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_ADD
);
9635 static int Jim_MulCoreCommand(Jim_Interp
*interp
, int argc
,
9636 Jim_Obj
*const *argv
)
9638 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_MUL
);
9642 static int Jim_SubCoreCommand(Jim_Interp
*interp
, int argc
,
9643 Jim_Obj
*const *argv
)
9645 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_SUB
);
9649 static int Jim_DivCoreCommand(Jim_Interp
*interp
, int argc
,
9650 Jim_Obj
*const *argv
)
9652 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_DIV
);
9656 static int Jim_SetCoreCommand(Jim_Interp
*interp
, int argc
,
9657 Jim_Obj
*const *argv
)
9659 if (argc
!= 2 && argc
!= 3) {
9660 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?newValue?");
9665 objPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9668 Jim_SetResult(interp
, objPtr
);
9671 /* argc == 3 case. */
9672 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
9674 Jim_SetResult(interp
, argv
[2]);
9679 static int Jim_UnsetCoreCommand(Jim_Interp
*interp
, int argc
,
9680 Jim_Obj
*const *argv
)
9685 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
9688 for (i
= 1; i
< argc
; i
++) {
9689 if (Jim_UnsetVariable(interp
, argv
[i
], JIM_ERRMSG
) != JIM_OK
)
9696 static int Jim_IncrCoreCommand(Jim_Interp
*interp
, int argc
,
9697 Jim_Obj
*const *argv
)
9699 jim_wide wideValue
, increment
= 1;
9702 if (argc
!= 2 && argc
!= 3) {
9703 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?increment?");
9707 if (Jim_GetWide(interp
, argv
[2], &increment
) != JIM_OK
)
9710 intObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9711 if (!intObjPtr
) return JIM_ERR
;
9712 if (Jim_GetWide(interp
, intObjPtr
, &wideValue
) != JIM_OK
)
9714 if (Jim_IsShared(intObjPtr
)) {
9715 intObjPtr
= Jim_NewIntObj(interp
, wideValue
+increment
);
9716 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9717 Jim_FreeNewObj(interp
, intObjPtr
);
9721 Jim_SetWide(interp
, intObjPtr
, wideValue
+increment
);
9722 /* The following step is required in order to invalidate the
9723 * string repr of "FOO" if the var name is on the form of "FOO(IDX)" */
9724 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9728 Jim_SetResult(interp
, intObjPtr
);
9733 static int Jim_WhileCoreCommand(Jim_Interp
*interp
, int argc
,
9734 Jim_Obj
*const *argv
)
9737 Jim_WrongNumArgs(interp
, 1, argv
, "condition body");
9740 /* Try to run a specialized version of while if the expression
9741 * is in one of the following forms:
9743 * $a < CONST, $a < $b
9744 * $a <= CONST, $a <= $b
9745 * $a > CONST, $a > $b
9746 * $a >= CONST, $a >= $b
9747 * $a != CONST, $a != $b
9748 * $a == CONST, $a == $b
9754 #ifdef JIM_OPTIMIZATION
9757 Jim_Obj
*varAObjPtr
= NULL
, *varBObjPtr
= NULL
, *objPtr
;
9758 int exprLen
, retval
;
9760 /* STEP 1 -- Check if there are the conditions to run the specialized
9761 * version of while */
9763 if ((expr
= Jim_GetExpression(interp
, argv
[1])) == NULL
) goto noopt
;
9764 if (expr
->len
<= 0 || expr
->len
> 3) goto noopt
;
9767 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
&&
9768 expr
->opcode
[0] != JIM_EXPROP_NUMBER
)
9772 if (expr
->opcode
[1] != JIM_EXPROP_NOT
||
9773 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
)
9777 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9778 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9779 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
))
9781 switch(expr
->opcode
[2]) {
9783 case JIM_EXPROP_LTE
:
9785 case JIM_EXPROP_GTE
:
9786 case JIM_EXPROP_NUMEQ
:
9787 case JIM_EXPROP_NUMNE
:
9796 "Unexpected default reached in Jim_WhileCoreCommand()");
9800 /* STEP 2 -- conditions meet. Initialization. Take different
9801 * branches for different expression lengths. */
9802 exprLen
= expr
->len
;
9807 if (expr
->opcode
[0] == JIM_EXPROP_VARIABLE
) {
9808 varAObjPtr
= expr
->obj
[0];
9809 Jim_IncrRefCount(varAObjPtr
);
9811 if (Jim_GetWide(interp
, expr
->obj
[0], &wideValue
) != JIM_OK
)
9817 Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9818 Jim_GetWide(interp
, objPtr
, &wideValue
) != JIM_OK
)
9820 Jim_DecrRefCount(interp
, varAObjPtr
);
9824 if (!wideValue
) break;
9825 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9829 Jim_DecrRefCount(interp
, varAObjPtr
);
9837 Jim_DecrRefCount(interp
, varAObjPtr
);
9843 Jim_DecrRefCount(interp
, varAObjPtr
);
9844 } else if (exprLen
== 3) {
9845 jim_wide wideValueA
, wideValueB
, cmpRes
= 0;
9846 int cmpType
= expr
->opcode
[2];
9848 varAObjPtr
= expr
->obj
[0];
9849 Jim_IncrRefCount(varAObjPtr
);
9850 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9851 varBObjPtr
= expr
->obj
[1];
9852 Jim_IncrRefCount(varBObjPtr
);
9854 if (Jim_GetWide(interp
, expr
->obj
[1], &wideValueB
) != JIM_OK
)
9858 if (!(objPtr
= Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9859 Jim_GetWide(interp
, objPtr
, &wideValueA
) != JIM_OK
)
9861 Jim_DecrRefCount(interp
, varAObjPtr
);
9863 Jim_DecrRefCount(interp
, varBObjPtr
);
9868 Jim_GetVariable(interp
, varBObjPtr
, JIM_NONE
)) ||
9869 Jim_GetWide(interp
, objPtr
, &wideValueB
) != JIM_OK
)
9871 Jim_DecrRefCount(interp
, varAObjPtr
);
9873 Jim_DecrRefCount(interp
, varBObjPtr
);
9879 cmpRes
= wideValueA
< wideValueB
; break;
9880 case JIM_EXPROP_LTE
:
9881 cmpRes
= wideValueA
<= wideValueB
; break;
9883 cmpRes
= wideValueA
> wideValueB
; break;
9884 case JIM_EXPROP_GTE
:
9885 cmpRes
= wideValueA
>= wideValueB
; break;
9886 case JIM_EXPROP_NUMEQ
:
9887 cmpRes
= wideValueA
== wideValueB
; break;
9888 case JIM_EXPROP_NUMNE
:
9889 cmpRes
= wideValueA
!= wideValueB
; break;
9892 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9895 Jim_DecrRefCount(interp
, varAObjPtr
);
9897 Jim_DecrRefCount(interp
, varBObjPtr
);
9904 Jim_DecrRefCount(interp
, varAObjPtr
);
9906 Jim_DecrRefCount(interp
, varBObjPtr
);
9911 Jim_DecrRefCount(interp
, varAObjPtr
);
9913 Jim_DecrRefCount(interp
, varBObjPtr
);
9915 /* TODO: case for len == 2 */
9918 Jim_SetEmptyResult(interp
);
9924 /* The general purpose implementation of while starts here */
9926 int boolean
, retval
;
9928 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[1],
9929 &boolean
)) != JIM_OK
)
9931 if (!boolean
) break;
9932 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9946 Jim_SetEmptyResult(interp
);
9951 static int Jim_ForCoreCommand(Jim_Interp
*interp
, int argc
,
9952 Jim_Obj
*const *argv
)
9957 Jim_WrongNumArgs(interp
, 1, argv
, "start test next body");
9960 /* Check if the for is on the form:
9961 * for {set i CONST} {$i < CONST} {incr i}
9962 * for {set i CONST} {$i < $j} {incr i}
9963 * for {set i CONST} {$i <= CONST} {incr i}
9964 * for {set i CONST} {$i <= $j} {incr i}
9965 * XXX: NOTE: if variable traces are implemented, this optimization
9966 * need to be modified to check for the proc epoch at every variable
9968 #ifdef JIM_OPTIMIZATION
9970 ScriptObj
*initScript
, *incrScript
;
9972 jim_wide start
, stop
, currentVal
;
9973 unsigned jim_wide procEpoch
= interp
->procEpoch
;
9974 Jim_Obj
*varNamePtr
, *stopVarNamePtr
= NULL
, *objPtr
;
9976 struct Jim_Cmd
*cmdPtr
;
9978 /* Do it only if there aren't shared arguments */
9979 if (argv
[1] == argv
[2] || argv
[2] == argv
[3] || argv
[1] == argv
[3])
9981 initScript
= Jim_GetScript(interp
, argv
[1]);
9982 expr
= Jim_GetExpression(interp
, argv
[2]);
9983 incrScript
= Jim_GetScript(interp
, argv
[3]);
9985 /* Ensure proper lengths to start */
9986 if (initScript
->len
!= 6) goto evalstart
;
9987 if (incrScript
->len
!= 4) goto evalstart
;
9988 if (expr
->len
!= 3) goto evalstart
;
9989 /* Ensure proper token types. */
9990 if (initScript
->token
[2].type
!= JIM_TT_ESC
||
9991 initScript
->token
[4].type
!= JIM_TT_ESC
||
9992 incrScript
->token
[2].type
!= JIM_TT_ESC
||
9993 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9994 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9995 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
) ||
9996 (expr
->opcode
[2] != JIM_EXPROP_LT
&&
9997 expr
->opcode
[2] != JIM_EXPROP_LTE
))
9999 cmpType
= expr
->opcode
[2];
10000 /* Initialization command must be [set] */
10001 cmdPtr
= Jim_GetCommand(interp
, initScript
->token
[0].objPtr
, JIM_NONE
);
10002 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_SetCoreCommand
)
10004 /* Update command must be incr */
10005 cmdPtr
= Jim_GetCommand(interp
, incrScript
->token
[0].objPtr
, JIM_NONE
);
10006 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_IncrCoreCommand
)
10008 /* set, incr, expression must be about the same variable */
10009 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
10010 incrScript
->token
[2].objPtr
, 0))
10012 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
10015 /* Check that the initialization and comparison are valid integers */
10016 if (Jim_GetWide(interp
, initScript
->token
[4].objPtr
, &start
) == JIM_ERR
)
10018 if (expr
->opcode
[1] == JIM_EXPROP_NUMBER
&&
10019 Jim_GetWide(interp
, expr
->obj
[1], &stop
) == JIM_ERR
)
10024 /* Initialization */
10025 varNamePtr
= expr
->obj
[0];
10026 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
10027 stopVarNamePtr
= expr
->obj
[1];
10028 Jim_IncrRefCount(stopVarNamePtr
);
10030 Jim_IncrRefCount(varNamePtr
);
10032 /* --- OPTIMIZED FOR --- */
10033 /* Start to loop */
10034 objPtr
= Jim_NewIntObj(interp
, start
);
10035 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
10036 Jim_DecrRefCount(interp
, varNamePtr
);
10037 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
10038 Jim_FreeNewObj(interp
, objPtr
);
10042 /* === Check condition === */
10044 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_NONE
);
10045 if (objPtr
== NULL
||
10046 Jim_GetWide(interp
, objPtr
, ¤tVal
) != JIM_OK
)
10048 Jim_DecrRefCount(interp
, varNamePtr
);
10049 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
10052 /* Immediate or Variable? get the 'stop' value if the latter. */
10053 if (stopVarNamePtr
) {
10054 objPtr
= Jim_GetVariable(interp
, stopVarNamePtr
, JIM_NONE
);
10055 if (objPtr
== NULL
||
10056 Jim_GetWide(interp
, objPtr
, &stop
) != JIM_OK
)
10058 Jim_DecrRefCount(interp
, varNamePtr
);
10059 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10063 if (cmpType
== JIM_EXPROP_LT
) {
10064 if (currentVal
>= stop
) break;
10066 if (currentVal
> stop
) break;
10069 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10072 if (stopVarNamePtr
)
10073 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10074 Jim_DecrRefCount(interp
, varNamePtr
);
10077 /* nothing to do */
10080 if (stopVarNamePtr
)
10081 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10082 Jim_DecrRefCount(interp
, varNamePtr
);
10086 /* If there was a change in procedures/command continue
10087 * with the usual [for] command implementation */
10088 if (procEpoch
!= interp
->procEpoch
) {
10089 if (stopVarNamePtr
)
10090 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10091 Jim_DecrRefCount(interp
, varNamePtr
);
10095 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
10096 if (objPtr
->refCount
== 1 && objPtr
->typePtr
== &intObjType
) {
10097 objPtr
->internalRep
.wideValue
++;
10098 Jim_InvalidateStringRep(objPtr
);
10100 Jim_Obj
*auxObjPtr
;
10102 if (Jim_GetWide(interp
, objPtr
, ¤tVal
) == JIM_ERR
) {
10103 if (stopVarNamePtr
)
10104 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10105 Jim_DecrRefCount(interp
, varNamePtr
);
10108 auxObjPtr
= Jim_NewIntObj(interp
, currentVal
+1);
10109 if (Jim_SetVariable(interp
, varNamePtr
, auxObjPtr
) == JIM_ERR
) {
10110 if (stopVarNamePtr
)
10111 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10112 Jim_DecrRefCount(interp
, varNamePtr
);
10113 Jim_FreeNewObj(interp
, auxObjPtr
);
10118 if (stopVarNamePtr
)
10119 Jim_DecrRefCount(interp
, stopVarNamePtr
);
10120 Jim_DecrRefCount(interp
, varNamePtr
);
10121 Jim_SetEmptyResult(interp
);
10127 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
10132 /* Test the condition */
10133 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[2], &boolean
))
10136 if (!boolean
) break;
10138 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
10144 /* Nothing to do */
10152 if ((retval
= Jim_EvalObj(interp
, argv
[3])) != JIM_OK
) {
10166 Jim_SetEmptyResult(interp
);
10170 /* foreach + lmap implementation. */
10171 static int JimForeachMapHelper(Jim_Interp
*interp
, int argc
,
10172 Jim_Obj
*const *argv
, int doMap
)
10174 int result
= JIM_ERR
, i
, nbrOfLists
, *listsIdx
, *listsEnd
;
10175 int nbrOfLoops
= 0;
10176 Jim_Obj
*emptyStr
, *script
, *mapRes
= NULL
;
10178 if (argc
< 4 || argc
% 2 != 0) {
10179 Jim_WrongNumArgs(interp
, 1, argv
, "varList list ?varList list ...? script");
10183 mapRes
= Jim_NewListObj(interp
, NULL
, 0);
10184 Jim_IncrRefCount(mapRes
);
10186 emptyStr
= Jim_NewEmptyStringObj(interp
);
10187 Jim_IncrRefCount(emptyStr
);
10188 script
= argv
[argc
-1]; /* Last argument is a script */
10189 nbrOfLists
= (argc
- 1 - 1) / 2; /* argc - 'foreach' - script */
10190 listsIdx
= (int*)Jim_Alloc(nbrOfLists
* sizeof(int));
10191 listsEnd
= (int*)Jim_Alloc(nbrOfLists
*2 * sizeof(int));
10192 /* Initialize iterators and remember max nbr elements each list */
10193 memset(listsIdx
, 0, nbrOfLists
* sizeof(int));
10194 /* Remember lengths of all lists and calculate how much rounds to loop */
10195 for (i
=0; i
< nbrOfLists
*2; i
+= 2) {
10198 Jim_ListLength(interp
, argv
[i
+1], &listsEnd
[i
]);
10199 Jim_ListLength(interp
, argv
[i
+2], &listsEnd
[i
+1]);
10200 if (listsEnd
[i
] == 0) {
10201 Jim_SetResultString(interp
, "foreach varlist is empty", -1);
10204 cnt
= div(listsEnd
[i
+1], listsEnd
[i
]);
10205 count
= cnt
.quot
+ (cnt
.rem
? 1 : 0);
10206 if (count
> nbrOfLoops
)
10207 nbrOfLoops
= count
;
10209 for (; nbrOfLoops
-- > 0; ) {
10210 for (i
=0; i
< nbrOfLists
; ++i
) {
10211 int varIdx
= 0, var
= i
* 2;
10212 while (varIdx
< listsEnd
[var
]) {
10213 Jim_Obj
*varName
, *ele
;
10214 int lst
= i
* 2 + 1;
10215 if (Jim_ListIndex(interp
, argv
[var
+1], varIdx
, &varName
, JIM_ERRMSG
)
10218 if (listsIdx
[i
] < listsEnd
[lst
]) {
10219 if (Jim_ListIndex(interp
, argv
[lst
+1], listsIdx
[i
], &ele
, JIM_ERRMSG
)
10222 if (Jim_SetVariable(interp
, varName
, ele
) != JIM_OK
) {
10223 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10226 ++listsIdx
[i
]; /* Remember next iterator of current list */
10227 } else if (Jim_SetVariable(interp
, varName
, emptyStr
) != JIM_OK
) {
10228 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10231 ++varIdx
; /* Next variable */
10234 switch (result
= Jim_EvalObj(interp
, script
)) {
10237 Jim_ListAppendElement(interp
, mapRes
, interp
->result
);
10251 Jim_SetResult(interp
, mapRes
);
10253 Jim_SetEmptyResult(interp
);
10256 Jim_DecrRefCount(interp
, mapRes
);
10257 Jim_DecrRefCount(interp
, emptyStr
);
10258 Jim_Free(listsIdx
);
10259 Jim_Free(listsEnd
);
10264 static int Jim_ForeachCoreCommand(Jim_Interp
*interp
, int argc
,
10265 Jim_Obj
*const *argv
)
10267 return JimForeachMapHelper(interp
, argc
, argv
, 0);
10271 static int Jim_LmapCoreCommand(Jim_Interp
*interp
, int argc
,
10272 Jim_Obj
*const *argv
)
10274 return JimForeachMapHelper(interp
, argc
, argv
, 1);
10278 static int Jim_IfCoreCommand(Jim_Interp
*interp
, int argc
,
10279 Jim_Obj
*const *argv
)
10281 int boolean
, retval
, current
= 1, falsebody
= 0;
10284 /* Far not enough arguments given! */
10285 if (current
>= argc
) goto err
;
10286 if ((retval
= Jim_GetBoolFromExpr(interp
,
10287 argv
[current
++], &boolean
))
10290 /* There lacks something, isn't it? */
10291 if (current
>= argc
) goto err
;
10292 if (Jim_CompareStringImmediate(interp
, argv
[current
],
10293 "then")) current
++;
10294 /* Tsk tsk, no then-clause? */
10295 if (current
>= argc
) goto err
;
10297 return Jim_EvalObj(interp
, argv
[current
]);
10298 /* Ok: no else-clause follows */
10299 if (++current
>= argc
) {
10300 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10303 falsebody
= current
++;
10304 if (Jim_CompareStringImmediate(interp
, argv
[falsebody
],
10306 /* IIICKS - else-clause isn't last cmd? */
10307 if (current
!= argc
-1) goto err
;
10308 return Jim_EvalObj(interp
, argv
[current
]);
10309 } else if (Jim_CompareStringImmediate(interp
,
10310 argv
[falsebody
], "elseif"))
10311 /* Ok: elseif follows meaning all the stuff
10312 * again (how boring...) */
10314 /* OOPS - else-clause is not last cmd?*/
10315 else if (falsebody
!= argc
-1)
10317 return Jim_EvalObj(interp
, argv
[falsebody
]);
10322 Jim_WrongNumArgs(interp
, 1, argv
, "condition ?then? trueBody ?elseif ...? ?else? falseBody");
10326 enum {SWITCH_EXACT
, SWITCH_GLOB
, SWITCH_RE
, SWITCH_CMD
, SWITCH_UNKNOWN
};
10329 static int Jim_SwitchCoreCommand(Jim_Interp
*interp
, int argc
,
10330 Jim_Obj
*const *argv
)
10332 int retcode
= JIM_ERR
, matchOpt
= SWITCH_EXACT
, opt
=1, patCount
, i
;
10333 Jim_Obj
*command
= 0, *const *caseList
= 0, *strObj
;
10334 Jim_Obj
*script
= 0;
10335 if (argc
< 3) goto wrongnumargs
;
10336 for (opt
=1; opt
< argc
; ++opt
) {
10337 const char *option
= Jim_GetString(argv
[opt
], 0);
10338 if (*option
!= '-') break;
10339 else if (strncmp(option
, "--", 2) == 0) { ++opt
; break; }
10340 else if (strncmp(option
, "-exact", 2) == 0) matchOpt
= SWITCH_EXACT
;
10341 else if (strncmp(option
, "-glob", 2) == 0) matchOpt
= SWITCH_GLOB
;
10342 else if (strncmp(option
, "-regexp", 2) == 0) matchOpt
= SWITCH_RE
;
10343 else if (strncmp(option
, "-command", 2) == 0) { matchOpt
= SWITCH_CMD
;
10344 if ((argc
- opt
) < 2) goto wrongnumargs
;
10345 command
= argv
[++opt
];
10347 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10348 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10349 "bad option \"", option
, "\": must be -exact, -glob, "
10350 "-regexp, -command procname or --", 0);
10353 if ((argc
- opt
) < 2) goto wrongnumargs
;
10355 strObj
= argv
[opt
++];
10356 patCount
= argc
- opt
;
10357 if (patCount
== 1) {
10359 JimListGetElements(interp
, argv
[opt
], &patCount
, &vector
);
10362 caseList
= &argv
[opt
];
10363 if (patCount
== 0 || patCount
% 2 != 0) goto wrongnumargs
;
10364 for (i
=0; script
== 0 && i
< patCount
; i
+= 2) {
10365 Jim_Obj
*patObj
= caseList
[i
];
10366 if (!Jim_CompareStringImmediate(interp
, patObj
, "default")
10367 || i
< (patCount
-2)) {
10368 switch (matchOpt
) {
10370 if (Jim_StringEqObj(strObj
, patObj
, 0))
10371 script
= caseList
[i
+1];
10374 if (Jim_StringMatchObj(patObj
, strObj
, 0))
10375 script
= caseList
[i
+1];
10378 command
= Jim_NewStringObj(interp
, "regexp", -1);
10379 /* Fall thru intentionally */
10381 Jim_Obj
*parms
[] = {command
, patObj
, strObj
};
10382 int rc
= Jim_EvalObjVector(interp
, 3, parms
);
10384 /* After the execution of a command we need to
10385 * make sure to reconvert the object into a list
10386 * again. Only for the single-list style [switch]. */
10387 if (argc
-opt
== 1) {
10389 JimListGetElements(interp
, argv
[opt
], &patCount
,
10393 /* command is here already decref'd */
10394 if (rc
!= JIM_OK
) {
10398 rc
= Jim_GetLong(interp
, Jim_GetResult(interp
), &matching
);
10399 if (rc
!= JIM_OK
) {
10404 script
= caseList
[i
+1];
10408 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10409 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10410 "internal error: no such option implemented", 0);
10414 script
= caseList
[i
+1];
10417 for(; i
< patCount
&& Jim_CompareStringImmediate(interp
, script
, "-");
10419 script
= caseList
[i
+1];
10420 if (script
&& Jim_CompareStringImmediate(interp
, script
, "-")) {
10421 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10422 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10423 "no body specified for pattern \"",
10424 Jim_GetString(caseList
[i
-2], 0), "\"", 0);
10428 Jim_SetEmptyResult(interp
);
10430 retcode
= Jim_EvalObj(interp
, script
);
10433 Jim_WrongNumArgs(interp
, 1, argv
, "?options? string "
10434 "pattern body ... ?default body? or "
10435 "{pattern body ?pattern body ...?}");
10441 static int Jim_ListCoreCommand(Jim_Interp
*interp
, int argc
,
10442 Jim_Obj
*const *argv
)
10444 Jim_Obj
*listObjPtr
;
10446 listObjPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10447 Jim_SetResult(interp
, listObjPtr
);
10452 static int Jim_LindexCoreCommand(Jim_Interp
*interp
, int argc
,
10453 Jim_Obj
*const *argv
)
10455 Jim_Obj
*objPtr
, *listObjPtr
;
10460 Jim_WrongNumArgs(interp
, 1, argv
, "list index ?...?");
10464 Jim_IncrRefCount(objPtr
);
10465 for (i
= 2; i
< argc
; i
++) {
10466 listObjPtr
= objPtr
;
10467 if (Jim_GetIndex(interp
, argv
[i
], &index
) != JIM_OK
) {
10468 Jim_DecrRefCount(interp
, listObjPtr
);
10471 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
10472 JIM_NONE
) != JIM_OK
) {
10473 /* Returns an empty object if the index
10474 * is out of range. */
10475 Jim_DecrRefCount(interp
, listObjPtr
);
10476 Jim_SetEmptyResult(interp
);
10479 Jim_IncrRefCount(objPtr
);
10480 Jim_DecrRefCount(interp
, listObjPtr
);
10482 Jim_SetResult(interp
, objPtr
);
10483 Jim_DecrRefCount(interp
, objPtr
);
10488 static int Jim_LlengthCoreCommand(Jim_Interp
*interp
, int argc
,
10489 Jim_Obj
*const *argv
)
10494 Jim_WrongNumArgs(interp
, 1, argv
, "list");
10497 Jim_ListLength(interp
, argv
[1], &len
);
10498 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
10503 static int Jim_LappendCoreCommand(Jim_Interp
*interp
, int argc
,
10504 Jim_Obj
*const *argv
)
10506 Jim_Obj
*listObjPtr
;
10510 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10513 listObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10515 /* Create the list if it does not exists */
10516 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10517 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10518 Jim_FreeNewObj(interp
, listObjPtr
);
10522 shared
= Jim_IsShared(listObjPtr
);
10524 listObjPtr
= Jim_DuplicateObj(interp
, listObjPtr
);
10525 for (i
= 2; i
< argc
; i
++)
10526 Jim_ListAppendElement(interp
, listObjPtr
, argv
[i
]);
10527 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10529 Jim_FreeNewObj(interp
, listObjPtr
);
10532 Jim_SetResult(interp
, listObjPtr
);
10537 static int Jim_LinsertCoreCommand(Jim_Interp
*interp
, int argc
,
10538 Jim_Obj
*const *argv
)
10544 Jim_WrongNumArgs(interp
, 1, argv
, "list index element "
10549 if (Jim_IsShared(listPtr
))
10550 listPtr
= Jim_DuplicateObj(interp
, listPtr
);
10551 if (Jim_GetIndex(interp
, argv
[2], &index
) != JIM_OK
)
10553 Jim_ListLength(interp
, listPtr
, &len
);
10556 else if (index
< 0)
10557 index
= len
+ index
+ 1;
10558 Jim_ListInsertElements(interp
, listPtr
, index
, argc
-3, &argv
[3]);
10559 Jim_SetResult(interp
, listPtr
);
10562 if (listPtr
!= argv
[1]) {
10563 Jim_FreeNewObj(interp
, listPtr
);
10569 static int Jim_LsetCoreCommand(Jim_Interp
*interp
, int argc
,
10570 Jim_Obj
*const *argv
)
10573 Jim_WrongNumArgs(interp
, 1, argv
, "listVar ?index...? newVal");
10575 } else if (argc
== 3) {
10576 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
10578 Jim_SetResult(interp
, argv
[2]);
10581 if (Jim_SetListIndex(interp
, argv
[1], argv
+2, argc
-3, argv
[argc
-1])
10582 == JIM_ERR
) return JIM_ERR
;
10587 static int Jim_LsortCoreCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const argv
[])
10589 const char *options
[] = {
10590 "-ascii", "-nocase", "-increasing", "-decreasing", NULL
10592 enum {OPT_ASCII
, OPT_NOCASE
, OPT_INCREASING
, OPT_DECREASING
};
10594 int i
, lsortType
= JIM_LSORT_ASCII
; /* default sort type */
10595 int decreasing
= 0;
10598 Jim_WrongNumArgs(interp
, 1, argv
, "?options? list");
10601 for (i
= 1; i
< (argc
-1); i
++) {
10604 if (Jim_GetEnum(interp
, argv
[i
], options
, &option
, "option", JIM_ERRMSG
)
10608 case OPT_ASCII
: lsortType
= JIM_LSORT_ASCII
; break;
10609 case OPT_NOCASE
: lsortType
= JIM_LSORT_NOCASE
; break;
10610 case OPT_INCREASING
: decreasing
= 0; break;
10611 case OPT_DECREASING
: decreasing
= 1; break;
10615 switch(lsortType
) {
10616 case JIM_LSORT_ASCII
: lsortType
= JIM_LSORT_ASCII_DECR
; break;
10617 case JIM_LSORT_NOCASE
: lsortType
= JIM_LSORT_NOCASE_DECR
; break;
10620 resObj
= Jim_DuplicateObj(interp
, argv
[argc
-1]);
10621 ListSortElements(interp
, resObj
, lsortType
);
10622 Jim_SetResult(interp
, resObj
);
10627 static int Jim_AppendCoreCommand(Jim_Interp
*interp
, int argc
,
10628 Jim_Obj
*const *argv
)
10630 Jim_Obj
*stringObjPtr
;
10634 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10638 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
10639 if (!stringObjPtr
) return JIM_ERR
;
10641 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10642 if (!stringObjPtr
) {
10643 /* Create the string if it does not exists */
10644 stringObjPtr
= Jim_NewEmptyStringObj(interp
);
10645 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
)
10647 Jim_FreeNewObj(interp
, stringObjPtr
);
10652 shared
= Jim_IsShared(stringObjPtr
);
10654 stringObjPtr
= Jim_DuplicateObj(interp
, stringObjPtr
);
10655 for (i
= 2; i
< argc
; i
++)
10656 Jim_AppendObj(interp
, stringObjPtr
, argv
[i
]);
10657 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
) != JIM_OK
) {
10659 Jim_FreeNewObj(interp
, stringObjPtr
);
10662 Jim_SetResult(interp
, stringObjPtr
);
10667 static int Jim_DebugCoreCommand(Jim_Interp
*interp
, int argc
,
10668 Jim_Obj
*const *argv
)
10670 const char *options
[] = {
10671 "refcount", "objcount", "objects", "invstr", "scriptlen", "exprlen",
10676 OPT_REFCOUNT
, OPT_OBJCOUNT
, OPT_OBJECTS
, OPT_INVSTR
, OPT_SCRIPTLEN
,
10677 OPT_EXPRLEN
, OPT_EXPRBC
10682 Jim_WrongNumArgs(interp
, 1, argv
, "option ?...?");
10685 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
10686 JIM_ERRMSG
) != JIM_OK
)
10688 if (option
== OPT_REFCOUNT
) {
10690 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10693 Jim_SetResult(interp
, Jim_NewIntObj(interp
, argv
[2]->refCount
));
10695 } else if (option
== OPT_OBJCOUNT
) {
10696 int freeobj
= 0, liveobj
= 0;
10701 Jim_WrongNumArgs(interp
, 2, argv
, "");
10704 /* Count the number of free objects. */
10705 objPtr
= interp
->freeList
;
10708 objPtr
= objPtr
->nextObjPtr
;
10710 /* Count the number of live objects. */
10711 objPtr
= interp
->liveList
;
10714 objPtr
= objPtr
->nextObjPtr
;
10716 /* Set the result string and return. */
10717 sprintf(buf
, "free %d used %d", freeobj
, liveobj
);
10718 Jim_SetResultString(interp
, buf
, -1);
10720 } else if (option
== OPT_OBJECTS
) {
10721 Jim_Obj
*objPtr
, *listObjPtr
, *subListObjPtr
;
10722 /* Count the number of live objects. */
10723 objPtr
= interp
->liveList
;
10724 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10727 const char *type
= objPtr
->typePtr
?
10728 objPtr
->typePtr
->name
: "";
10729 subListObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10730 sprintf(buf
, "%p", objPtr
);
10731 Jim_ListAppendElement(interp
, subListObjPtr
,
10732 Jim_NewStringObj(interp
, buf
, -1));
10733 Jim_ListAppendElement(interp
, subListObjPtr
,
10734 Jim_NewStringObj(interp
, type
, -1));
10735 Jim_ListAppendElement(interp
, subListObjPtr
,
10736 Jim_NewIntObj(interp
, objPtr
->refCount
));
10737 Jim_ListAppendElement(interp
, subListObjPtr
, objPtr
);
10738 Jim_ListAppendElement(interp
, listObjPtr
, subListObjPtr
);
10739 objPtr
= objPtr
->nextObjPtr
;
10741 Jim_SetResult(interp
, listObjPtr
);
10743 } else if (option
== OPT_INVSTR
) {
10747 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10751 if (objPtr
->typePtr
!= NULL
)
10752 Jim_InvalidateStringRep(objPtr
);
10753 Jim_SetEmptyResult(interp
);
10755 } else if (option
== OPT_SCRIPTLEN
) {
10758 Jim_WrongNumArgs(interp
, 2, argv
, "script");
10761 script
= Jim_GetScript(interp
, argv
[2]);
10762 Jim_SetResult(interp
, Jim_NewIntObj(interp
, script
->len
));
10764 } else if (option
== OPT_EXPRLEN
) {
10765 ExprByteCode
*expr
;
10767 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10770 expr
= Jim_GetExpression(interp
, argv
[2]);
10773 Jim_SetResult(interp
, Jim_NewIntObj(interp
, expr
->len
));
10775 } else if (option
== OPT_EXPRBC
) {
10777 ExprByteCode
*expr
;
10781 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10784 expr
= Jim_GetExpression(interp
, argv
[2]);
10787 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
10788 for (i
= 0; i
< expr
->len
; i
++) {
10790 Jim_ExprOperator
*op
;
10792 switch(expr
->opcode
[i
]) {
10793 case JIM_EXPROP_NUMBER
: type
= "number"; break;
10794 case JIM_EXPROP_COMMAND
: type
= "command"; break;
10795 case JIM_EXPROP_VARIABLE
: type
= "variable"; break;
10796 case JIM_EXPROP_DICTSUGAR
: type
= "dictsugar"; break;
10797 case JIM_EXPROP_SUBST
: type
= "subst"; break;
10798 case JIM_EXPROP_STRING
: type
= "string"; break;
10800 op
= JimExprOperatorInfo(Jim_GetString(expr
->obj
[i
], NULL
));
10808 Jim_ListAppendElement(interp
, objPtr
,
10809 Jim_NewStringObj(interp
, type
, -1));
10810 Jim_ListAppendElement(interp
, objPtr
, expr
->obj
[i
]);
10812 Jim_SetResult(interp
, objPtr
);
10815 Jim_SetResultString(interp
,
10816 "bad option. Valid options are refcount, "
10817 "objcount, objects, invstr", -1);
10820 return JIM_OK
; /* unreached */
10824 static int Jim_EvalCoreCommand(Jim_Interp
*interp
, int argc
,
10825 Jim_Obj
*const *argv
)
10828 return Jim_EvalObj(interp
, argv
[1]);
10829 } else if (argc
> 2) {
10833 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10834 Jim_IncrRefCount(objPtr
);
10835 retcode
= Jim_EvalObj(interp
, objPtr
);
10836 Jim_DecrRefCount(interp
, objPtr
);
10839 Jim_WrongNumArgs(interp
, 1, argv
, "script ?...?");
10845 static int Jim_UplevelCoreCommand(Jim_Interp
*interp
, int argc
,
10846 Jim_Obj
*const *argv
)
10849 int retcode
, newLevel
, oldLevel
;
10850 Jim_CallFrame
*savedCallFrame
, *targetCallFrame
;
10854 /* Save the old callframe pointer */
10855 savedCallFrame
= interp
->framePtr
;
10857 /* Lookup the target frame pointer */
10858 str
= Jim_GetString(argv
[1], NULL
);
10859 if ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#')
10861 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10863 &newLevel
) != JIM_OK
)
10868 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10870 &newLevel
) != JIM_OK
)
10876 Jim_WrongNumArgs(interp
, 1, argv
,
10877 "?level? command ?arg ...?");
10880 /* Eval the code in the target callframe. */
10881 interp
->framePtr
= targetCallFrame
;
10882 oldLevel
= interp
->numLevels
;
10883 interp
->numLevels
= newLevel
;
10885 retcode
= Jim_EvalObj(interp
, argv
[1]);
10887 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10888 Jim_IncrRefCount(objPtr
);
10889 retcode
= Jim_EvalObj(interp
, objPtr
);
10890 Jim_DecrRefCount(interp
, objPtr
);
10892 interp
->numLevels
= oldLevel
;
10893 interp
->framePtr
= savedCallFrame
;
10896 Jim_WrongNumArgs(interp
, 1, argv
, "?level? command ?arg ...?");
10902 static int Jim_ExprCoreCommand(Jim_Interp
*interp
, int argc
,
10903 Jim_Obj
*const *argv
)
10905 Jim_Obj
*exprResultPtr
;
10909 retcode
= Jim_EvalExpression(interp
, argv
[1], &exprResultPtr
);
10910 } else if (argc
> 2) {
10913 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10914 Jim_IncrRefCount(objPtr
);
10915 retcode
= Jim_EvalExpression(interp
, objPtr
, &exprResultPtr
);
10916 Jim_DecrRefCount(interp
, objPtr
);
10918 Jim_WrongNumArgs(interp
, 1, argv
, "expression ?...?");
10921 if (retcode
!= JIM_OK
) return retcode
;
10922 Jim_SetResult(interp
, exprResultPtr
);
10923 Jim_DecrRefCount(interp
, exprResultPtr
);
10928 static int Jim_BreakCoreCommand(Jim_Interp
*interp
, int argc
,
10929 Jim_Obj
*const *argv
)
10932 Jim_WrongNumArgs(interp
, 1, argv
, "");
10939 static int Jim_ContinueCoreCommand(Jim_Interp
*interp
, int argc
,
10940 Jim_Obj
*const *argv
)
10943 Jim_WrongNumArgs(interp
, 1, argv
, "");
10946 return JIM_CONTINUE
;
10950 static int Jim_ReturnCoreCommand(Jim_Interp
*interp
, int argc
,
10951 Jim_Obj
*const *argv
)
10955 } else if (argc
== 2) {
10956 Jim_SetResult(interp
, argv
[1]);
10957 interp
->returnCode
= JIM_OK
;
10959 } else if (argc
== 3 || argc
== 4) {
10961 if (Jim_GetReturnCode(interp
, argv
[2], &returnCode
) == JIM_ERR
)
10963 interp
->returnCode
= returnCode
;
10965 Jim_SetResult(interp
, argv
[3]);
10968 Jim_WrongNumArgs(interp
, 1, argv
, "?-code code? ?result?");
10971 return JIM_RETURN
; /* unreached */
10975 static int Jim_TailcallCoreCommand(Jim_Interp
*interp
, int argc
,
10976 Jim_Obj
*const *argv
)
10980 objPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10981 Jim_SetResult(interp
, objPtr
);
10986 static int Jim_ProcCoreCommand(Jim_Interp
*interp
, int argc
,
10987 Jim_Obj
*const *argv
)
10990 int arityMin
, arityMax
;
10992 if (argc
!= 4 && argc
!= 5) {
10993 Jim_WrongNumArgs(interp
, 1, argv
, "name arglist ?statics? body");
10996 Jim_ListLength(interp
, argv
[2], &argListLen
);
10997 arityMin
= arityMax
= argListLen
+1;
11004 /* Check for 'args' and adjust arityMin and arityMax if necessary */
11005 Jim_ListIndex(interp
, argv
[2], argListLen
-1, &argPtr
, JIM_NONE
);
11006 str
= Jim_GetString(argPtr
, &len
);
11007 if (len
== 4 && memcmp(str
, "args", 4) == 0) {
11012 /* Check for default arguments and reduce arityMin if necessary */
11013 while (arityMin
> 1) {
11015 Jim_ListIndex(interp
, argv
[2], arityMin
- 2, &argPtr
, JIM_NONE
);
11016 Jim_ListLength(interp
, argPtr
, &len
);
11018 /* No default argument */
11025 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
11026 argv
[2], NULL
, argv
[3], arityMin
, arityMax
);
11028 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
11029 argv
[2], argv
[3], argv
[4], arityMin
, arityMax
);
11034 static int Jim_ConcatCoreCommand(Jim_Interp
*interp
, int argc
,
11035 Jim_Obj
*const *argv
)
11037 Jim_SetResult(interp
, Jim_ConcatObj(interp
, argc
-1, argv
+1));
11042 static int Jim_UpvarCoreCommand(Jim_Interp
*interp
, int argc
,
11043 Jim_Obj
*const *argv
)
11047 Jim_CallFrame
*targetCallFrame
;
11049 /* Lookup the target frame pointer */
11050 str
= Jim_GetString(argv
[1], NULL
);
11052 ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#'))
11054 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
11055 &targetCallFrame
, NULL
) != JIM_OK
)
11060 if (Jim_GetCallFrameByLevel(interp
, NULL
,
11061 &targetCallFrame
, NULL
) != JIM_OK
)
11064 /* Check for arity */
11065 if (argc
< 3 || ((argc
-1)%2) != 0) {
11066 Jim_WrongNumArgs(interp
, 1, argv
, "?level? otherVar localVar ?otherVar localVar ...?");
11069 /* Now... for every other/local couple: */
11070 for (i
= 1; i
< argc
; i
+= 2) {
11071 if (Jim_SetVariableLink(interp
, argv
[i
+1], argv
[i
],
11072 targetCallFrame
) != JIM_OK
) return JIM_ERR
;
11078 static int Jim_GlobalCoreCommand(Jim_Interp
*interp
, int argc
,
11079 Jim_Obj
*const *argv
)
11084 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
11087 /* Link every var to the toplevel having the same name */
11088 if (interp
->numLevels
== 0) return JIM_OK
; /* global at toplevel... */
11089 for (i
= 1; i
< argc
; i
++) {
11090 if (Jim_SetVariableLink(interp
, argv
[i
], argv
[i
],
11091 interp
->topFramePtr
) != JIM_OK
) return JIM_ERR
;
11096 /* does the [string map] operation. On error NULL is returned,
11097 * otherwise a new string object with the result, having refcount = 0,
11099 static Jim_Obj
*JimStringMap(Jim_Interp
*interp
, Jim_Obj
*mapListObjPtr
,
11100 Jim_Obj
*objPtr
, int nocase
)
11103 const char **key
, *str
, *noMatchStart
= NULL
;
11105 int *keyLen
, strLen
, i
;
11106 Jim_Obj
*resultObjPtr
;
11108 Jim_ListLength(interp
, mapListObjPtr
, &numMaps
);
11110 Jim_SetResultString(interp
,
11111 "list must contain an even number of elements", -1);
11114 /* Initialization */
11116 key
= Jim_Alloc(sizeof(char*)*numMaps
);
11117 keyLen
= Jim_Alloc(sizeof(int)*numMaps
);
11118 value
= Jim_Alloc(sizeof(Jim_Obj
*)*numMaps
);
11119 resultObjPtr
= Jim_NewStringObj(interp
, "", 0);
11120 for (i
= 0; i
< numMaps
; i
++) {
11121 Jim_Obj
*eleObjPtr
;
11123 Jim_ListIndex(interp
, mapListObjPtr
, i
*2, &eleObjPtr
, JIM_NONE
);
11124 key
[i
] = Jim_GetString(eleObjPtr
, &keyLen
[i
]);
11125 Jim_ListIndex(interp
, mapListObjPtr
, i
*2+1, &eleObjPtr
, JIM_NONE
);
11126 value
[i
] = eleObjPtr
;
11128 str
= Jim_GetString(objPtr
, &strLen
);
11131 for (i
= 0; i
< numMaps
; i
++) {
11132 if (strLen
>= keyLen
[i
] && keyLen
[i
]) {
11133 if (!JimStringCompare(str
, keyLen
[i
], key
[i
], keyLen
[i
],
11136 if (noMatchStart
) {
11137 Jim_AppendString(interp
, resultObjPtr
,
11138 noMatchStart
, str
-noMatchStart
);
11139 noMatchStart
= NULL
;
11141 Jim_AppendObj(interp
, resultObjPtr
, value
[i
]);
11143 strLen
-= keyLen
[i
];
11148 if (i
== numMaps
) { /* no match */
11149 if (noMatchStart
== NULL
)
11150 noMatchStart
= str
;
11155 if (noMatchStart
) {
11156 Jim_AppendString(interp
, resultObjPtr
,
11157 noMatchStart
, str
-noMatchStart
);
11159 Jim_Free((void*)key
);
11162 return resultObjPtr
;
11166 static int Jim_StringCoreCommand(Jim_Interp
*interp
, int argc
,
11167 Jim_Obj
*const *argv
)
11170 const char *options
[] = {
11171 "length", "compare", "match", "equal", "range", "map", "repeat",
11172 "index", "first", "tolower", "toupper", NULL
11175 OPT_LENGTH
, OPT_COMPARE
, OPT_MATCH
, OPT_EQUAL
, OPT_RANGE
,
11176 OPT_MAP
, OPT_REPEAT
, OPT_INDEX
, OPT_FIRST
, OPT_TOLOWER
, OPT_TOUPPER
11180 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11183 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11184 JIM_ERRMSG
) != JIM_OK
)
11187 if (option
== OPT_LENGTH
) {
11191 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11194 Jim_GetString(argv
[2], &len
);
11195 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
11197 } else if (option
== OPT_COMPARE
) {
11199 if ((argc
!= 4 && argc
!= 5) ||
11200 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11201 argv
[2], "-nocase") == 0)) {
11202 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11209 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11210 Jim_StringCompareObj(argv
[2],
11211 argv
[3], nocase
)));
11213 } else if (option
== OPT_MATCH
) {
11215 if ((argc
!= 4 && argc
!= 5) ||
11216 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11217 argv
[2], "-nocase") == 0)) {
11218 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? pattern "
11226 Jim_SetResult(interp
,
11227 Jim_NewIntObj(interp
, Jim_StringMatchObj(argv
[2],
11228 argv
[3], nocase
)));
11230 } else if (option
== OPT_EQUAL
) {
11232 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11235 Jim_SetResult(interp
,
11236 Jim_NewIntObj(interp
, Jim_StringEqObj(argv
[2],
11239 } else if (option
== OPT_RANGE
) {
11243 Jim_WrongNumArgs(interp
, 2, argv
, "string first last");
11246 objPtr
= Jim_StringRangeObj(interp
, argv
[2], argv
[3], argv
[4]);
11247 if (objPtr
== NULL
)
11249 Jim_SetResult(interp
, objPtr
);
11251 } else if (option
== OPT_MAP
) {
11255 if ((argc
!= 4 && argc
!= 5) ||
11256 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11257 argv
[2], "-nocase") == 0)) {
11258 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? mapList "
11266 objPtr
= JimStringMap(interp
, argv
[2], argv
[3], nocase
);
11267 if (objPtr
== NULL
)
11269 Jim_SetResult(interp
, objPtr
);
11271 } else if (option
== OPT_REPEAT
) {
11276 Jim_WrongNumArgs(interp
, 2, argv
, "string count");
11279 if (Jim_GetWide(interp
, argv
[3], &count
) != JIM_OK
)
11281 objPtr
= Jim_NewStringObj(interp
, "", 0);
11283 Jim_AppendObj(interp
, objPtr
, argv
[2]);
11285 Jim_SetResult(interp
, objPtr
);
11287 } else if (option
== OPT_INDEX
) {
11292 Jim_WrongNumArgs(interp
, 2, argv
, "string index");
11295 if (Jim_GetIndex(interp
, argv
[3], &index
) != JIM_OK
)
11297 str
= Jim_GetString(argv
[2], &len
);
11298 if (index
!= INT_MIN
&& index
!= INT_MAX
)
11299 index
= JimRelToAbsIndex(len
, index
);
11300 if (index
< 0 || index
>= len
) {
11301 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11304 Jim_SetResult(interp
, Jim_NewStringObj(interp
, str
+index
, 1));
11307 } else if (option
== OPT_FIRST
) {
11308 int index
= 0, l1
, l2
;
11309 const char *s1
, *s2
;
11311 if (argc
!= 4 && argc
!= 5) {
11312 Jim_WrongNumArgs(interp
, 2, argv
, "subString string ?startIndex?");
11315 s1
= Jim_GetString(argv
[2], &l1
);
11316 s2
= Jim_GetString(argv
[3], &l2
);
11318 if (Jim_GetIndex(interp
, argv
[4], &index
) != JIM_OK
)
11320 index
= JimRelToAbsIndex(l2
, index
);
11322 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11323 JimStringFirst(s1
, l1
, s2
, l2
, index
)));
11325 } else if (option
== OPT_TOLOWER
) {
11327 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11330 Jim_SetResult(interp
, JimStringToLower(interp
, argv
[2]));
11331 } else if (option
== OPT_TOUPPER
) {
11333 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11336 Jim_SetResult(interp
, JimStringToUpper(interp
, argv
[2]));
11342 static int Jim_TimeCoreCommand(Jim_Interp
*interp
, int argc
,
11343 Jim_Obj
*const *argv
)
11346 jim_wide start
, elapsed
;
11348 const char *fmt
= "%" JIM_WIDE_MODIFIER
" microseconds per iteration";
11351 Jim_WrongNumArgs(interp
, 1, argv
, "script ?count?");
11355 if (Jim_GetLong(interp
, argv
[2], &count
) != JIM_OK
)
11361 start
= JimClock();
11365 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
11368 elapsed
= JimClock() - start
;
11369 sprintf(buf
, fmt
, elapsed
/count
);
11370 Jim_SetResultString(interp
, buf
, -1);
11375 static int Jim_ExitCoreCommand(Jim_Interp
*interp
, int argc
,
11376 Jim_Obj
*const *argv
)
11381 Jim_WrongNumArgs(interp
, 1, argv
, "?exitCode?");
11385 if (Jim_GetLong(interp
, argv
[1], &exitCode
) != JIM_OK
)
11388 interp
->exitCode
= exitCode
;
11393 static int Jim_CatchCoreCommand(Jim_Interp
*interp
, int argc
,
11394 Jim_Obj
*const *argv
)
11398 if (argc
!= 2 && argc
!= 3) {
11399 Jim_WrongNumArgs(interp
, 1, argv
, "script ?varName?");
11402 exitCode
= Jim_EvalObj(interp
, argv
[1]);
11404 if (Jim_SetVariable(interp
, argv
[2], Jim_GetResult(interp
))
11408 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exitCode
));
11413 static int Jim_RefCoreCommand(Jim_Interp
*interp
, int argc
,
11414 Jim_Obj
*const *argv
)
11416 if (argc
!= 3 && argc
!= 4) {
11417 Jim_WrongNumArgs(interp
, 1, argv
, "string tag ?finalizer?");
11421 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2], NULL
));
11423 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2],
11430 static int Jim_GetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11431 Jim_Obj
*const *argv
)
11433 Jim_Reference
*refPtr
;
11436 Jim_WrongNumArgs(interp
, 1, argv
, "reference");
11439 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11441 Jim_SetResult(interp
, refPtr
->objPtr
);
11446 static int Jim_SetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11447 Jim_Obj
*const *argv
)
11449 Jim_Reference
*refPtr
;
11452 Jim_WrongNumArgs(interp
, 1, argv
, "reference newValue");
11455 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11457 Jim_IncrRefCount(argv
[2]);
11458 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
11459 refPtr
->objPtr
= argv
[2];
11460 Jim_SetResult(interp
, argv
[2]);
11465 static int Jim_CollectCoreCommand(Jim_Interp
*interp
, int argc
,
11466 Jim_Obj
*const *argv
)
11469 Jim_WrongNumArgs(interp
, 1, argv
, "");
11472 Jim_SetResult(interp
, Jim_NewIntObj(interp
, Jim_Collect(interp
)));
11476 /* [finalize] reference ?newValue? */
11477 static int Jim_FinalizeCoreCommand(Jim_Interp
*interp
, int argc
,
11478 Jim_Obj
*const *argv
)
11480 if (argc
!= 2 && argc
!= 3) {
11481 Jim_WrongNumArgs(interp
, 1, argv
, "reference ?finalizerProc?");
11485 Jim_Obj
*cmdNamePtr
;
11487 if (Jim_GetFinalizer(interp
, argv
[1], &cmdNamePtr
) != JIM_OK
)
11489 if (cmdNamePtr
!= NULL
) /* otherwise the null string is returned. */
11490 Jim_SetResult(interp
, cmdNamePtr
);
11492 if (Jim_SetFinalizer(interp
, argv
[1], argv
[2]) != JIM_OK
)
11494 Jim_SetResult(interp
, argv
[2]);
11500 /* [info references] (list of all the references/finalizers) */
11503 static int Jim_RenameCoreCommand(Jim_Interp
*interp
, int argc
,
11504 Jim_Obj
*const *argv
)
11506 const char *oldName
, *newName
;
11509 Jim_WrongNumArgs(interp
, 1, argv
, "oldName newName");
11512 oldName
= Jim_GetString(argv
[1], NULL
);
11513 newName
= Jim_GetString(argv
[2], NULL
);
11514 if (Jim_RenameCommand(interp
, oldName
, newName
) != JIM_OK
) {
11515 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11516 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11517 "can't rename \"", oldName
, "\": ",
11518 "command doesn't exist", NULL
);
11525 static int Jim_DictCoreCommand(Jim_Interp
*interp
, int argc
,
11526 Jim_Obj
*const *argv
)
11529 const char *options
[] = {
11530 "create", "get", "set", "unset", "exists", NULL
11533 OPT_CREATE
, OPT_GET
, OPT_SET
, OPT_UNSET
, OPT_EXIST
11537 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11541 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11542 JIM_ERRMSG
) != JIM_OK
)
11545 if (option
== OPT_CREATE
) {
11549 Jim_WrongNumArgs(interp
, 2, argv
, "?key value ...?");
11552 objPtr
= Jim_NewDictObj(interp
, argv
+2, argc
-2);
11553 Jim_SetResult(interp
, objPtr
);
11555 } else if (option
== OPT_GET
) {
11558 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11559 JIM_ERRMSG
) != JIM_OK
)
11561 Jim_SetResult(interp
, objPtr
);
11563 } else if (option
== OPT_SET
) {
11565 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...? value");
11568 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-4,
11570 } else if (option
== OPT_UNSET
) {
11572 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...?");
11575 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-3,
11577 } else if (option
== OPT_EXIST
) {
11581 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11582 JIM_ERRMSG
) == JIM_OK
)
11586 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
));
11589 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11590 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11591 "bad option \"", Jim_GetString(argv
[1], NULL
), "\":",
11592 " must be create, get, set", NULL
);
11599 static int Jim_LoadCoreCommand(Jim_Interp
*interp
, int argc
,
11600 Jim_Obj
*const *argv
)
11603 Jim_WrongNumArgs(interp
, 1, argv
, "libaryFile");
11606 return Jim_LoadLibrary(interp
, Jim_GetString(argv
[1], NULL
));
11610 static int Jim_SubstCoreCommand(Jim_Interp
*interp
, int argc
,
11611 Jim_Obj
*const *argv
)
11617 Jim_WrongNumArgs(interp
, 1, argv
,
11618 "?-nobackslashes? ?-nocommands? ?-novariables? string");
11623 if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11625 flags
|= JIM_SUBST_NOESC
;
11626 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11628 flags
|= JIM_SUBST_NOVAR
;
11629 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11631 flags
|= JIM_SUBST_NOCMD
;
11633 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11634 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11635 "bad option \"", Jim_GetString(argv
[i
+1], NULL
),
11636 "\": must be -nobackslashes, -nocommands, or "
11637 "-novariables", NULL
);
11641 if (Jim_SubstObj(interp
, argv
[argc
-1], &objPtr
, flags
) != JIM_OK
)
11643 Jim_SetResult(interp
, objPtr
);
11648 static int Jim_InfoCoreCommand(Jim_Interp
*interp
, int argc
,
11649 Jim_Obj
*const *argv
)
11651 int cmd
, result
= JIM_OK
;
11652 static const char *commands
[] = {
11653 "body", "commands", "exists", "globals", "level", "locals",
11654 "vars", "version", "complete", "args", "hostname", NULL
11656 enum {INFO_BODY
, INFO_COMMANDS
, INFO_EXISTS
, INFO_GLOBALS
, INFO_LEVEL
,
11657 INFO_LOCALS
, INFO_VARS
, INFO_VERSION
, INFO_COMPLETE
, INFO_ARGS
, INFO_HOSTNAME
};
11660 Jim_WrongNumArgs(interp
, 1, argv
, "command ?args ...?");
11663 if (Jim_GetEnum(interp
, argv
[1], commands
, &cmd
, "command", JIM_ERRMSG
)
11668 if (cmd
== INFO_COMMANDS
) {
11669 if (argc
!= 2 && argc
!= 3) {
11670 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11674 Jim_SetResult(interp
,JimCommandsList(interp
, argv
[2]));
11676 Jim_SetResult(interp
, JimCommandsList(interp
, NULL
));
11677 } else if (cmd
== INFO_EXISTS
) {
11680 Jim_WrongNumArgs(interp
, 2, argv
, "varName");
11683 exists
= Jim_GetVariable(interp
, argv
[2], 0);
11684 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
!= 0));
11685 } else if (cmd
== INFO_GLOBALS
|| cmd
== INFO_LOCALS
|| cmd
== INFO_VARS
) {
11688 case INFO_GLOBALS
: mode
= JIM_VARLIST_GLOBALS
; break;
11689 case INFO_LOCALS
: mode
= JIM_VARLIST_LOCALS
; break;
11690 case INFO_VARS
: mode
= JIM_VARLIST_VARS
; break;
11691 default: mode
= 0; /* avoid warning */; break;
11693 if (argc
!= 2 && argc
!= 3) {
11694 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11698 Jim_SetResult(interp
,JimVariablesList(interp
, argv
[2], mode
));
11700 Jim_SetResult(interp
, JimVariablesList(interp
, NULL
, mode
));
11701 } else if (cmd
== INFO_LEVEL
) {
11705 Jim_SetResult(interp
,
11706 Jim_NewIntObj(interp
, interp
->numLevels
));
11709 if (JimInfoLevel(interp
, argv
[2], &objPtr
) != JIM_OK
)
11711 Jim_SetResult(interp
, objPtr
);
11714 Jim_WrongNumArgs(interp
, 2, argv
, "?levelNum?");
11717 } else if (cmd
== INFO_BODY
|| cmd
== INFO_ARGS
) {
11721 Jim_WrongNumArgs(interp
, 2, argv
, "procname");
11724 if ((cmdPtr
= Jim_GetCommand(interp
, argv
[2], JIM_ERRMSG
)) == NULL
)
11726 if (cmdPtr
->cmdProc
!= NULL
) {
11727 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11728 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11729 "command \"", Jim_GetString(argv
[2], NULL
),
11730 "\" is not a procedure", NULL
);
11733 if (cmd
== INFO_BODY
)
11734 Jim_SetResult(interp
, cmdPtr
->bodyObjPtr
);
11736 Jim_SetResult(interp
, cmdPtr
->argListObjPtr
);
11737 } else if (cmd
== INFO_VERSION
) {
11738 char buf
[(JIM_INTEGER_SPACE
* 2) + 1];
11739 sprintf(buf
, "%d.%d",
11740 JIM_VERSION
/ 100, JIM_VERSION
% 100);
11741 Jim_SetResultString(interp
, buf
, -1);
11742 } else if (cmd
== INFO_COMPLETE
) {
11747 Jim_WrongNumArgs(interp
, 2, argv
, "script");
11750 s
= Jim_GetString(argv
[2], &len
);
11751 Jim_SetResult(interp
,
11752 Jim_NewIntObj(interp
, Jim_ScriptIsComplete(s
, len
, NULL
)));
11753 } else if (cmd
== INFO_HOSTNAME
) {
11754 /* Redirect to os.hostname if it exists */
11755 Jim_Obj
*command
= Jim_NewStringObj(interp
, "os.gethostname", -1);
11756 result
= Jim_EvalObjVector(interp
, 1, &command
);
11762 static int Jim_SplitCoreCommand(Jim_Interp
*interp
, int argc
,
11763 Jim_Obj
*const *argv
)
11765 const char *str
, *splitChars
, *noMatchStart
;
11766 int splitLen
, strLen
, i
;
11767 Jim_Obj
*resObjPtr
;
11769 if (argc
!= 2 && argc
!= 3) {
11770 Jim_WrongNumArgs(interp
, 1, argv
, "string ?splitChars?");
11775 splitChars
= " \n\t\r";
11778 splitChars
= Jim_GetString(argv
[2], &splitLen
);
11780 str
= Jim_GetString(argv
[1], &strLen
);
11781 if (!strLen
) return JIM_OK
;
11782 noMatchStart
= str
;
11783 resObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11787 for (i
= 0; i
< splitLen
; i
++) {
11788 if (*str
== splitChars
[i
]) {
11791 objPtr
= Jim_NewStringObj(interp
, noMatchStart
,
11792 (str
-noMatchStart
));
11793 Jim_ListAppendElement(interp
, resObjPtr
, objPtr
);
11794 noMatchStart
= str
+1;
11801 Jim_ListAppendElement(interp
, resObjPtr
,
11802 Jim_NewStringObj(interp
, noMatchStart
, (str
-noMatchStart
)));
11804 /* This handles the special case of splitchars eq {}. This
11805 * is trivial but we want to perform object sharing as Tcl does. */
11806 Jim_Obj
*objCache
[256];
11807 const unsigned char *u
= (unsigned char*) str
;
11808 memset(objCache
, 0, sizeof(objCache
));
11809 for (i
= 0; i
< strLen
; i
++) {
11812 if (objCache
[c
] == NULL
)
11813 objCache
[c
] = Jim_NewStringObj(interp
, (char*)u
+i
, 1);
11814 Jim_ListAppendElement(interp
, resObjPtr
, objCache
[c
]);
11817 Jim_SetResult(interp
, resObjPtr
);
11822 static int Jim_JoinCoreCommand(Jim_Interp
*interp
, int argc
,
11823 Jim_Obj
*const *argv
)
11825 const char *joinStr
;
11826 int joinStrLen
, i
, listLen
;
11827 Jim_Obj
*resObjPtr
;
11829 if (argc
!= 2 && argc
!= 3) {
11830 Jim_WrongNumArgs(interp
, 1, argv
, "list ?joinString?");
11838 joinStr
= Jim_GetString(argv
[2], &joinStrLen
);
11840 Jim_ListLength(interp
, argv
[1], &listLen
);
11841 resObjPtr
= Jim_NewStringObj(interp
, NULL
, 0);
11843 for (i
= 0; i
< listLen
; i
++) {
11846 Jim_ListIndex(interp
, argv
[1], i
, &objPtr
, JIM_NONE
);
11847 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
11848 if (i
+1 != listLen
) {
11849 Jim_AppendString(interp
, resObjPtr
, joinStr
, joinStrLen
);
11852 Jim_SetResult(interp
, resObjPtr
);
11857 static int Jim_FormatCoreCommand(Jim_Interp
*interp
, int argc
,
11858 Jim_Obj
*const *argv
)
11863 Jim_WrongNumArgs(interp
, 1, argv
, "formatString ?arg arg ...?");
11866 objPtr
= Jim_FormatString(interp
, argv
[1], argc
-2, argv
+2);
11867 if (objPtr
== NULL
)
11869 Jim_SetResult(interp
, objPtr
);
11874 static int Jim_ScanCoreCommand(Jim_Interp
*interp
, int argc
,
11875 Jim_Obj
*const *argv
)
11877 Jim_Obj
*listPtr
, **outVec
;
11878 int outc
, i
, count
= 0;
11881 Jim_WrongNumArgs(interp
, 1, argv
, "string formatString ?varName ...?");
11884 if (argv
[2]->typePtr
!= &scanFmtStringObjType
)
11885 SetScanFmtFromAny(interp
, argv
[2]);
11886 if (FormatGetError(argv
[2]) != 0) {
11887 Jim_SetResultString(interp
, FormatGetError(argv
[2]), -1);
11891 int maxPos
= FormatGetMaxPos(argv
[2]);
11892 int count
= FormatGetCnvCount(argv
[2]);
11893 if (maxPos
> argc
-3) {
11894 Jim_SetResultString(interp
, "\"%n$\" argument index out of range", -1);
11896 } else if (count
!= 0 && count
< argc
-3) {
11897 Jim_SetResultString(interp
, "variable is not assigned by any "
11898 "conversion specifiers", -1);
11900 } else if (count
> argc
-3) {
11901 Jim_SetResultString(interp
, "different numbers of variable names and "
11902 "field specifiers", -1);
11906 listPtr
= Jim_ScanString(interp
, argv
[1], argv
[2], JIM_ERRMSG
);
11911 if (listPtr
!= 0 && listPtr
!= (Jim_Obj
*)EOF
)
11912 Jim_ListLength(interp
, listPtr
, &len
);
11913 if (listPtr
== (Jim_Obj
*)EOF
|| len
== 0) { // XXX
11914 Jim_SetResult(interp
, Jim_NewIntObj(interp
, -1));
11917 JimListGetElements(interp
, listPtr
, &outc
, &outVec
);
11918 for (i
= 0; i
< outc
; ++i
) {
11919 if (Jim_Length(outVec
[i
]) > 0) {
11921 if (Jim_SetVariable(interp
, argv
[3+i
], outVec
[i
]) != JIM_OK
)
11925 Jim_FreeNewObj(interp
, listPtr
);
11926 Jim_SetResult(interp
, Jim_NewIntObj(interp
, count
));
11928 if (listPtr
== (Jim_Obj
*)EOF
) {
11929 Jim_SetResult(interp
, Jim_NewListObj(interp
, 0, 0));
11932 Jim_SetResult(interp
, listPtr
);
11936 Jim_FreeNewObj(interp
, listPtr
);
11941 static int Jim_ErrorCoreCommand(Jim_Interp
*interp
, int argc
,
11942 Jim_Obj
*const *argv
)
11945 Jim_WrongNumArgs(interp
, 1, argv
, "message");
11948 Jim_SetResult(interp
, argv
[1]);
11953 static int Jim_LrangeCoreCommand(Jim_Interp
*interp
, int argc
,
11954 Jim_Obj
*const *argv
)
11959 Jim_WrongNumArgs(interp
, 1, argv
, "list first last");
11962 if ((objPtr
= Jim_ListRange(interp
, argv
[1], argv
[2], argv
[3])) == NULL
)
11964 Jim_SetResult(interp
, objPtr
);
11969 static int Jim_EnvCoreCommand(Jim_Interp
*interp
, int argc
,
11970 Jim_Obj
*const *argv
)
11976 extern char **environ
;
11979 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11981 for (i
= 0; environ
[i
]; i
++) {
11982 const char *equals
= strchr(environ
[i
], '=');
11984 Jim_ListAppendElement(interp
, listObjPtr
, Jim_NewStringObj(interp
, environ
[i
], equals
- environ
[i
]));
11985 Jim_ListAppendElement(interp
, listObjPtr
, Jim_NewStringObj(interp
, equals
+ 1, -1));
11989 Jim_SetResult(interp
, listObjPtr
);
11994 Jim_WrongNumArgs(interp
, 1, argv
, "varName");
11997 key
= Jim_GetString(argv
[1], NULL
);
12000 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
12001 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
12002 "environment variable \"",
12003 key
, "\" does not exist", NULL
);
12006 Jim_SetResult(interp
, Jim_NewStringObj(interp
, val
, -1));
12011 static int Jim_SourceCoreCommand(Jim_Interp
*interp
, int argc
,
12012 Jim_Obj
*const *argv
)
12017 Jim_WrongNumArgs(interp
, 1, argv
, "fileName");
12020 retval
= Jim_EvalFile(interp
, Jim_GetString(argv
[1], NULL
));
12021 if (retval
== JIM_ERR
) {
12022 return JIM_ERR_ADDSTACK
;
12024 if (retval
== JIM_RETURN
)
12030 static int Jim_LreverseCoreCommand(Jim_Interp
*interp
, int argc
,
12031 Jim_Obj
*const *argv
)
12033 Jim_Obj
*revObjPtr
, **ele
;
12037 Jim_WrongNumArgs(interp
, 1, argv
, "list");
12040 JimListGetElements(interp
, argv
[1], &len
, &ele
);
12042 revObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
12044 ListAppendElement(revObjPtr
, ele
[len
--]);
12045 Jim_SetResult(interp
, revObjPtr
);
12049 static int JimRangeLen(jim_wide start
, jim_wide end
, jim_wide step
)
12053 if (step
== 0) return -1;
12054 if (start
== end
) return 0;
12055 else if (step
> 0 && start
> end
) return -1;
12056 else if (step
< 0 && end
> start
) return -1;
12058 if (len
< 0) len
= -len
; /* abs(len) */
12059 if (step
< 0) step
= -step
; /* abs(step) */
12060 len
= 1 + ((len
-1)/step
);
12061 /* We can truncate safely to INT_MAX, the range command
12062 * will always return an error for a such long range
12063 * because Tcl lists can't be so long. */
12064 if (len
> INT_MAX
) len
= INT_MAX
;
12065 return (int)((len
< 0) ? -1 : len
);
12069 static int Jim_RangeCoreCommand(Jim_Interp
*interp
, int argc
,
12070 Jim_Obj
*const *argv
)
12072 jim_wide start
= 0, end
, step
= 1;
12076 if (argc
< 2 || argc
> 4) {
12077 Jim_WrongNumArgs(interp
, 1, argv
, "?start? end ?step?");
12081 if (Jim_GetWide(interp
, argv
[1], &end
) != JIM_OK
)
12084 if (Jim_GetWide(interp
, argv
[1], &start
) != JIM_OK
||
12085 Jim_GetWide(interp
, argv
[2], &end
) != JIM_OK
)
12087 if (argc
== 4 && Jim_GetWide(interp
, argv
[3], &step
) != JIM_OK
)
12090 if ((len
= JimRangeLen(start
, end
, step
)) == -1) {
12091 Jim_SetResultString(interp
, "Invalid (infinite?) range specified", -1);
12094 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
12095 for (i
= 0; i
< len
; i
++)
12096 ListAppendElement(objPtr
, Jim_NewIntObj(interp
, start
+i
*step
));
12097 Jim_SetResult(interp
, objPtr
);
12102 static int Jim_RandCoreCommand(Jim_Interp
*interp
, int argc
,
12103 Jim_Obj
*const *argv
)
12105 jim_wide min
= 0, max
, len
, maxMul
;
12107 if (argc
< 1 || argc
> 3) {
12108 Jim_WrongNumArgs(interp
, 1, argv
, "?min? max");
12112 max
= JIM_WIDE_MAX
;
12113 } else if (argc
== 2) {
12114 if (Jim_GetWide(interp
, argv
[1], &max
) != JIM_OK
)
12116 } else if (argc
== 3) {
12117 if (Jim_GetWide(interp
, argv
[1], &min
) != JIM_OK
||
12118 Jim_GetWide(interp
, argv
[2], &max
) != JIM_OK
)
12123 Jim_SetResultString(interp
, "Invalid arguments (max < min)", -1);
12126 maxMul
= JIM_WIDE_MAX
- (len
? (JIM_WIDE_MAX
%len
) : 0);
12130 JimRandomBytes(interp
, &r
, sizeof(jim_wide
));
12131 if (r
< 0 || r
>= maxMul
) continue;
12132 r
= (len
== 0) ? 0 : r
%len
;
12133 Jim_SetResult(interp
, Jim_NewIntObj(interp
, min
+r
));
12139 static int Jim_PackageCoreCommand(Jim_Interp
*interp
, int argc
,
12140 Jim_Obj
*const *argv
)
12143 const char *options
[] = {
12144 "require", "provide", NULL
12146 enum {OPT_REQUIRE
, OPT_PROVIDE
};
12149 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
12152 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
12153 JIM_ERRMSG
) != JIM_OK
)
12156 if (option
== OPT_REQUIRE
) {
12160 if (Jim_CompareStringImmediate(interp
, argv
[2], "-exact")) {
12165 if (argc
!= 3 && argc
!= 4) {
12166 Jim_WrongNumArgs(interp
, 2, argv
, "?-exact? package ?version?");
12169 ver
= Jim_PackageRequire(interp
, Jim_GetString(argv
[2], NULL
),
12170 argc
== 4 ? Jim_GetString(argv
[3], NULL
) : "",
12173 return JIM_ERR_ADDSTACK
;
12174 Jim_SetResultString(interp
, ver
, -1);
12175 } else if (option
== OPT_PROVIDE
) {
12177 Jim_WrongNumArgs(interp
, 2, argv
, "package version");
12180 return Jim_PackageProvide(interp
, Jim_GetString(argv
[2], NULL
),
12181 Jim_GetString(argv
[3], NULL
), JIM_ERRMSG
);
12188 Jim_CmdProc cmdProc
;
12189 } Jim_CoreCommandsTable
[] = {
12190 {"set", Jim_SetCoreCommand
},
12191 {"unset", Jim_UnsetCoreCommand
},
12192 {"puts", Jim_PutsCoreCommand
},
12193 {"+", Jim_AddCoreCommand
},
12194 {"*", Jim_MulCoreCommand
},
12195 {"-", Jim_SubCoreCommand
},
12196 {"/", Jim_DivCoreCommand
},
12197 {"incr", Jim_IncrCoreCommand
},
12198 {"while", Jim_WhileCoreCommand
},
12199 {"for", Jim_ForCoreCommand
},
12200 {"foreach", Jim_ForeachCoreCommand
},
12201 {"lmap", Jim_LmapCoreCommand
},
12202 {"if", Jim_IfCoreCommand
},
12203 {"switch", Jim_SwitchCoreCommand
},
12204 {"list", Jim_ListCoreCommand
},
12205 {"lindex", Jim_LindexCoreCommand
},
12206 {"lset", Jim_LsetCoreCommand
},
12207 {"llength", Jim_LlengthCoreCommand
},
12208 {"lappend", Jim_LappendCoreCommand
},
12209 {"linsert", Jim_LinsertCoreCommand
},
12210 {"lsort", Jim_LsortCoreCommand
},
12211 {"append", Jim_AppendCoreCommand
},
12212 {"debug", Jim_DebugCoreCommand
},
12213 {"eval", Jim_EvalCoreCommand
},
12214 {"uplevel", Jim_UplevelCoreCommand
},
12215 {"expr", Jim_ExprCoreCommand
},
12216 {"break", Jim_BreakCoreCommand
},
12217 {"continue", Jim_ContinueCoreCommand
},
12218 {"proc", Jim_ProcCoreCommand
},
12219 {"concat", Jim_ConcatCoreCommand
},
12220 {"return", Jim_ReturnCoreCommand
},
12221 {"upvar", Jim_UpvarCoreCommand
},
12222 {"global", Jim_GlobalCoreCommand
},
12223 {"string", Jim_StringCoreCommand
},
12224 {"time", Jim_TimeCoreCommand
},
12225 {"exit", Jim_ExitCoreCommand
},
12226 {"catch", Jim_CatchCoreCommand
},
12227 {"ref", Jim_RefCoreCommand
},
12228 {"getref", Jim_GetrefCoreCommand
},
12229 {"setref", Jim_SetrefCoreCommand
},
12230 {"finalize", Jim_FinalizeCoreCommand
},
12231 {"collect", Jim_CollectCoreCommand
},
12232 {"rename", Jim_RenameCoreCommand
},
12233 {"dict", Jim_DictCoreCommand
},
12234 {"load", Jim_LoadCoreCommand
},
12235 {"subst", Jim_SubstCoreCommand
},
12236 {"info", Jim_InfoCoreCommand
},
12237 {"split", Jim_SplitCoreCommand
},
12238 {"join", Jim_JoinCoreCommand
},
12239 {"format", Jim_FormatCoreCommand
},
12240 {"scan", Jim_ScanCoreCommand
},
12241 {"error", Jim_ErrorCoreCommand
},
12242 {"lrange", Jim_LrangeCoreCommand
},
12243 {"env", Jim_EnvCoreCommand
},
12244 {"source", Jim_SourceCoreCommand
},
12245 {"lreverse", Jim_LreverseCoreCommand
},
12246 {"range", Jim_RangeCoreCommand
},
12247 {"rand", Jim_RandCoreCommand
},
12248 {"package", Jim_PackageCoreCommand
},
12249 {"tailcall", Jim_TailcallCoreCommand
},
12253 /* Some Jim core command is actually a procedure written in Jim itself. */
12254 static void Jim_RegisterCoreProcedures(Jim_Interp
*interp
)
12256 Jim_Eval(interp
, (char*)
12257 "proc lambda {arglist args} {\n"
12258 " set name [ref {} function lambdaFinalizer]\n"
12259 " uplevel 1 [list proc $name $arglist {expand}$args]\n"
12262 "proc lambdaFinalizer {name val} {\n"
12263 " rename $name {}\n"
12268 void Jim_RegisterCoreCommands(Jim_Interp
*interp
)
12272 while(Jim_CoreCommandsTable
[i
].name
!= NULL
) {
12273 Jim_CreateCommand(interp
,
12274 Jim_CoreCommandsTable
[i
].name
,
12275 Jim_CoreCommandsTable
[i
].cmdProc
,
12279 Jim_RegisterCoreProcedures(interp
);
12282 /* -----------------------------------------------------------------------------
12283 * Interactive prompt
12284 * ---------------------------------------------------------------------------*/
12285 void Jim_PrintErrorMessage(Jim_Interp
*interp
)
12289 if (*interp
->errorFileName
) {
12290 Jim_fprintf(interp
, interp
->cookie_stderr
, "Runtime error, file \"%s\", line %d:" JIM_NL
" ",
12291 interp
->errorFileName
, interp
->errorLine
);
12293 Jim_fprintf(interp
,interp
->cookie_stderr
, "%s" JIM_NL
,
12294 Jim_GetString(interp
->result
, NULL
));
12295 Jim_ListLength(interp
, interp
->stackTrace
, &len
);
12296 for (i
= len
-3; i
>= 0; i
-= 3) {
12298 const char *proc
, *file
, *line
;
12300 Jim_ListIndex(interp
, interp
->stackTrace
, i
, &objPtr
, JIM_NONE
);
12301 proc
= Jim_GetString(objPtr
, NULL
);
12302 Jim_ListIndex(interp
, interp
->stackTrace
, i
+1, &objPtr
,
12304 file
= Jim_GetString(objPtr
, NULL
);
12305 Jim_ListIndex(interp
, interp
->stackTrace
, i
+2, &objPtr
,
12307 line
= Jim_GetString(objPtr
, NULL
);
12309 Jim_fprintf( interp
, interp
->cookie_stderr
,
12310 "in procedure '%s' ", proc
);
12313 Jim_fprintf( interp
, interp
->cookie_stderr
,
12314 "called at file \"%s\", line %s",
12317 if (*file
|| *proc
) {
12318 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
);
12323 int Jim_InteractivePrompt(Jim_Interp
*interp
)
12325 int retcode
= JIM_OK
;
12326 Jim_Obj
*scriptObjPtr
;
12328 Jim_fprintf(interp
,interp
->cookie_stdout
, "Welcome to Jim version %d.%d, "
12329 "Copyright (c) 2005-8 Salvatore Sanfilippo" JIM_NL
,
12330 JIM_VERSION
/ 100, JIM_VERSION
% 100);
12331 Jim_SetVariableStrWithStr(interp
, "jim_interactive", "1");
12334 const char *result
;
12335 const char *retcodestr
[] = {
12336 "ok", "error", "return", "break", "continue", "eval", "exit"
12340 if (retcode
!= 0) {
12341 if (retcode
>= 2 && retcode
<= 6)
12342 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%s] . ", retcodestr
[retcode
]);
12344 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%d] . ", retcode
);
12346 Jim_fprintf( interp
, interp
->cookie_stdout
, ". ");
12347 Jim_fflush( interp
, interp
->cookie_stdout
);
12348 scriptObjPtr
= Jim_NewStringObj(interp
, "", 0);
12349 Jim_IncrRefCount(scriptObjPtr
);
12355 if ( Jim_fgets(interp
, buf
, 1024, interp
->cookie_stdin
) == NULL
) {
12356 Jim_DecrRefCount(interp
, scriptObjPtr
);
12359 Jim_AppendString(interp
, scriptObjPtr
, buf
, -1);
12360 str
= Jim_GetString(scriptObjPtr
, &len
);
12361 if (Jim_ScriptIsComplete(str
, len
, &state
))
12363 Jim_fprintf( interp
, interp
->cookie_stdout
, "%c> ", state
);
12364 Jim_fflush( interp
, interp
->cookie_stdout
);
12366 retcode
= Jim_EvalObj(interp
, scriptObjPtr
);
12367 Jim_DecrRefCount(interp
, scriptObjPtr
);
12368 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
12369 if (retcode
== JIM_ERR
) {
12370 Jim_PrintErrorMessage(interp
);
12371 } else if (retcode
== JIM_EXIT
) {
12372 exit(Jim_GetExitCode(interp
));
12375 Jim_fwrite( interp
, result
, 1, reslen
, interp
->cookie_stdout
);
12376 Jim_fprintf( interp
,interp
->cookie_stdout
, JIM_NL
);
12384 /* -----------------------------------------------------------------------------
12385 * Jim's idea of STDIO..
12386 * ---------------------------------------------------------------------------*/
12388 int Jim_fprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, ... )
12394 r
= Jim_vfprintf( interp
, cookie
, fmt
,ap
);
12399 int Jim_vfprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, va_list ap
)
12401 if( (interp
== NULL
) || (interp
->cb_vfprintf
== NULL
) ){
12405 return (*(interp
->cb_vfprintf
))( cookie
, fmt
, ap
);
12408 size_t Jim_fwrite( Jim_Interp
*interp
, const void *ptr
, size_t size
, size_t n
, void *cookie
)
12410 if( (interp
== NULL
) || (interp
->cb_fwrite
== NULL
) ){
12414 return (*(interp
->cb_fwrite
))( ptr
, size
, n
, cookie
);
12417 size_t Jim_fread( Jim_Interp
*interp
, void *ptr
, size_t size
, size_t n
, void *cookie
)
12419 if( (interp
== NULL
) || (interp
->cb_fread
== NULL
) ){
12423 return (*(interp
->cb_fread
))( ptr
, size
, n
, cookie
);
12426 int Jim_fflush( Jim_Interp
*interp
, void *cookie
)
12428 if( (interp
== NULL
) || (interp
->cb_fflush
== NULL
) ){
12429 /* pretend all is well */
12432 return (*(interp
->cb_fflush
))( cookie
);
12435 char* Jim_fgets( Jim_Interp
*interp
, char *s
, int size
, void *cookie
)
12437 if( (interp
== NULL
) || (interp
->cb_fgets
== NULL
) ){
12441 return (*(interp
->cb_fgets
))( s
, size
, cookie
);
12444 Jim_Nvp_name2value_simple( const Jim_Nvp
*p
, const char *name
)
12447 if( 0 == strcmp( name
, p
->name
) ){
12452 return ((Jim_Nvp
*)(p
));
12456 Jim_Nvp_name2value_nocase_simple( const Jim_Nvp
*p
, const char *name
)
12459 if( 0 == strcasecmp( name
, p
->name
) ){
12464 return ((Jim_Nvp
*)(p
));
12468 Jim_Nvp_name2value_obj( Jim_Interp
*interp
,
12473 return Jim_Nvp_name2value( interp
, p
, Jim_GetString( o
, NULL
), result
);
12478 Jim_Nvp_name2value( Jim_Interp
*interp
,
12485 p
= Jim_Nvp_name2value_simple( _p
, name
);
12489 *result
= (Jim_Nvp
*)(p
);
12501 Jim_Nvp_name2value_obj_nocase( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**puthere
)
12503 return Jim_Nvp_name2value_nocase( interp
, p
, Jim_GetString( o
, NULL
), puthere
);
12507 Jim_Nvp_name2value_nocase( Jim_Interp
*interp
, const Jim_Nvp
*_p
, const char *name
, Jim_Nvp
**puthere
)
12511 p
= Jim_Nvp_name2value_nocase_simple( _p
, name
);
12514 *puthere
= (Jim_Nvp
*)(p
);
12526 Jim_Nvp_value2name_obj( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**result
)
12531 e
= Jim_GetWide( interp
, o
, &w
);
12536 return Jim_Nvp_value2name( interp
, p
, w
, result
);
12540 Jim_Nvp_value2name_simple( const Jim_Nvp
*p
, int value
)
12543 if( value
== p
->value
){
12548 return ((Jim_Nvp
*)(p
));
12553 Jim_Nvp_value2name( Jim_Interp
*interp
, const Jim_Nvp
*_p
, int value
, Jim_Nvp
**result
)
12557 p
= Jim_Nvp_value2name_simple( _p
, value
);
12560 *result
= (Jim_Nvp
*)(p
);
12572 Jim_GetOpt_Setup( Jim_GetOptInfo
*p
, Jim_Interp
*interp
, int argc
, Jim_Obj
* const * argv
)
12574 memset( p
, 0, sizeof(*p
) );
12575 p
->interp
= interp
;
12583 Jim_GetOpt_Debug( Jim_GetOptInfo
*p
)
12587 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "---args---\n");
12588 for( x
= 0 ; x
< p
->argc
; x
++ ){
12589 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
,
12592 Jim_GetString( p
->argv
[x
], NULL
) );
12594 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "-------\n");
12599 Jim_GetOpt_Obj( Jim_GetOptInfo
*goi
, Jim_Obj
**puthere
)
12603 o
= NULL
; // failure
12621 Jim_GetOpt_String( Jim_GetOptInfo
*goi
, char **puthere
, int *len
)
12628 r
= Jim_GetOpt_Obj( goi
, &o
);
12630 cp
= Jim_GetString( o
, len
);
12633 *puthere
= (char *)(cp
);
12640 Jim_GetOpt_Double( Jim_GetOptInfo
*goi
, double *puthere
)
12646 if( puthere
== NULL
){
12650 r
= Jim_GetOpt_Obj( goi
, &o
);
12652 r
= Jim_GetDouble( goi
->interp
, o
, puthere
);
12654 Jim_SetResult_sprintf( goi
->interp
,
12655 "not a number: %s",
12656 Jim_GetString( o
, NULL
) );
12663 Jim_GetOpt_Wide( Jim_GetOptInfo
*goi
, jim_wide
*puthere
)
12669 if( puthere
== NULL
){
12673 r
= Jim_GetOpt_Obj( goi
, &o
);
12675 r
= Jim_GetWide( goi
->interp
, o
, puthere
);
12680 int Jim_GetOpt_Nvp( Jim_GetOptInfo
*goi
,
12681 const Jim_Nvp
*nvp
,
12688 if( puthere
== NULL
){
12692 e
= Jim_GetOpt_Obj( goi
, &o
);
12694 e
= Jim_Nvp_name2value_obj( goi
->interp
,
12704 Jim_GetOpt_NvpUnknown( Jim_GetOptInfo
*goi
,
12705 const Jim_Nvp
*nvptable
,
12709 Jim_SetResult_NvpUnknown( goi
->interp
,
12714 Jim_SetResult_NvpUnknown( goi
->interp
,
12723 Jim_GetOpt_Enum( Jim_GetOptInfo
*goi
,
12724 const char * const * lookup
,
12731 if( puthere
== NULL
){
12734 e
= Jim_GetOpt_Obj( goi
, &o
);
12736 e
= Jim_GetEnum( goi
->interp
,
12749 Jim_SetResult_sprintf( Jim_Interp
*interp
, const char *fmt
,... )
12755 buf
= jim_vasprintf( fmt
, ap
);
12758 Jim_SetResultString( interp
, buf
, -1 );
12759 jim_vasprintf_done(buf
);
12766 Jim_SetResult_NvpUnknown( Jim_Interp
*interp
,
12767 Jim_Obj
*param_name
,
12768 Jim_Obj
*param_value
,
12769 const Jim_Nvp
*nvp
)
12772 Jim_SetResult_sprintf( interp
,
12773 "%s: Unknown: %s, try one of: ",
12774 Jim_GetString( param_name
, NULL
),
12775 Jim_GetString( param_value
, NULL
) );
12777 Jim_SetResult_sprintf( interp
,
12778 "Unknown param: %s, try one of: ",
12779 Jim_GetString( param_value
, NULL
) );
12781 while( nvp
->name
){
12785 if( (nvp
+1)->name
){
12792 Jim_AppendStrings( interp
,
12793 Jim_GetResult(interp
),
12800 static Jim_Obj
*debug_string_obj
;
12803 Jim_Debug_ArgvString( Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
12807 if( debug_string_obj
){
12808 Jim_FreeObj( interp
, debug_string_obj
);
12811 debug_string_obj
= Jim_NewEmptyStringObj( interp
);
12812 for( x
= 0 ; x
< argc
; x
++ ){
12813 Jim_AppendStrings( interp
,
12815 Jim_GetString( argv
[x
], NULL
),
12820 return Jim_GetString( debug_string_obj
, NULL
);
12826 * Local Variables: ***
12827 * c-basic-offset: 4 ***