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>
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above
20 * copyright notice, this list of conditions and the following
21 * disclaimer in the documentation and/or other materials
22 * provided with the distribution.
24 * THIS SOFTWARE IS PROVIDED BY THE JIM TCL PROJECT ``AS IS'' AND ANY
25 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
26 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
28 * JIM TCL PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
33 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
35 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37 * The views and conclusions contained in the software and documentation
38 * are those of the authors and should not be interpreted as representing
39 * official policies, either expressed or implied, of the Jim Tcl Project.
42 #define JIM_OPTIMIZATION /* comment to avoid optimizations and reduce size */
45 #include <pkgconf/jimtcl.h>
48 #define JIM_DYNLIB /* Dynamic library support for UNIX and WIN32 */
49 #endif /* JIM_ANSIC */
61 #include "replacements.h"
63 /* Include the platform dependent libraries for
64 * dynamic loading of libraries. */
66 #if defined(_WIN32) || defined(WIN32)
73 #define WIN32_LEAN_AND_MEAN
76 #pragma warning(disable:4146)
81 #endif /* JIM_DYNLIB */
84 #include <cyg/jimtcl/jim.h>
93 /* -----------------------------------------------------------------------------
95 * ---------------------------------------------------------------------------*/
97 /* A shared empty string for the objects string representation.
98 * Jim_InvalidateStringRep knows about it and don't try to free. */
99 static char *JimEmptyStringRep
= (char*) "";
101 /* -----------------------------------------------------------------------------
102 * Required prototypes of not exported functions
103 * ---------------------------------------------------------------------------*/
104 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
);
105 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
, int flags
);
106 static void JimRegisterCoreApi(Jim_Interp
*interp
);
108 static Jim_HashTableType JimVariablesHashTableType
;
110 /* -----------------------------------------------------------------------------
112 * ---------------------------------------------------------------------------*/
115 * Convert a string to a jim_wide INTEGER.
116 * This function originates from BSD.
118 * Ignores `locale' stuff. Assumes that the upper and lower case
119 * alphabets and digits are each contiguous.
121 #ifdef HAVE_LONG_LONG
122 #define JimIsAscii(c) (((c) & ~0x7f) == 0)
123 static jim_wide
JimStrtoll(const char *nptr
, char **endptr
, register int base
)
125 register const char *s
;
126 register unsigned jim_wide acc
;
127 register unsigned char c
;
128 register unsigned jim_wide qbase
, cutoff
;
129 register int neg
, any
, cutlim
;
132 * Skip white space and pick up leading +/- sign if any.
133 * If base is 0, allow 0x for hex and 0 for octal, else
134 * assume decimal; if base is already 16, allow 0x.
139 } while (isspace(c
));
148 if ((base
== 0 || base
== 16) &&
149 c
== '0' && (*s
== 'x' || *s
== 'X')) {
155 base
= c
== '0' ? 8 : 10;
158 * Compute the cutoff value between legal numbers and illegal
159 * numbers. That is the largest legal value, divided by the
160 * base. An input number that is greater than this value, if
161 * followed by a legal input character, is too big. One that
162 * is equal to this value may be valid or not; the limit
163 * between valid and invalid numbers is then based on the last
164 * digit. For instance, if the range for quads is
165 * [-9223372036854775808..9223372036854775807] and the input base
166 * is 10, cutoff will be set to 922337203685477580 and cutlim to
167 * either 7 (neg==0) or 8 (neg==1), meaning that if we have
168 * accumulated a value > 922337203685477580, or equal but the
169 * next digit is > 7 (or 8), the number is too big, and we will
170 * return a range error.
172 * Set any if any `digits' consumed; make it negative to indicate
175 qbase
= (unsigned)base
;
176 cutoff
= neg
? (unsigned jim_wide
)-(LLONG_MIN
+ LLONG_MAX
) + LLONG_MAX
178 cutlim
= (int)(cutoff
% qbase
);
180 for (acc
= 0, any
= 0;; c
= *s
++) {
186 c
-= isupper(c
) ? 'A' - 10 : 'a' - 10;
191 if (any
< 0 || acc
> cutoff
|| (acc
== cutoff
&& c
> cutlim
))
200 acc
= neg
? LLONG_MIN
: LLONG_MAX
;
205 *endptr
= (char *)(any
? s
- 1 : nptr
);
210 /* Glob-style pattern matching. */
211 static int JimStringMatch(const char *pattern
, int patternLen
,
212 const char *string
, int stringLen
, int nocase
)
217 while (pattern
[1] == '*') {
222 return 1; /* match */
224 if (JimStringMatch(pattern
+1, patternLen
-1,
225 string
, stringLen
, nocase
))
226 return 1; /* match */
230 return 0; /* no match */
234 return 0; /* no match */
244 not = pattern
[0] == '^';
251 if (pattern
[0] == '\\') {
254 if (pattern
[0] == string
[0])
256 } else if (pattern
[0] == ']') {
258 } else if (patternLen
== 0) {
262 } else if (pattern
[1] == '-' && patternLen
>= 3) {
263 int start
= pattern
[0];
264 int end
= pattern
[2];
272 start
= tolower(start
);
278 if (c
>= start
&& c
<= end
)
282 if (pattern
[0] == string
[0])
285 if (tolower((int)pattern
[0]) == tolower((int)string
[0]))
295 return 0; /* no match */
301 if (patternLen
>= 2) {
308 if (pattern
[0] != string
[0])
309 return 0; /* no match */
311 if (tolower((int)pattern
[0]) != tolower((int)string
[0]))
312 return 0; /* no match */
320 if (stringLen
== 0) {
321 while(*pattern
== '*') {
328 if (patternLen
== 0 && stringLen
== 0)
333 int JimStringCompare(const char *s1
, int l1
, const char *s2
, int l2
,
336 unsigned char *u1
= (unsigned char*) s1
, *u2
= (unsigned char*) s2
;
342 u1
++; u2
++; l1
--; l2
--;
344 if (!l1
&& !l2
) return 0;
348 if (tolower((int)*u1
) != tolower((int)*u2
))
349 return tolower((int)*u1
)-tolower((int)*u2
);
350 u1
++; u2
++; l1
--; l2
--;
352 if (!l1
&& !l2
) return 0;
357 /* Search 's1' inside 's2', starting to search from char 'index' of 's2'.
358 * The index of the first occurrence of s1 in s2 is returned.
359 * If s1 is not found inside s2, -1 is returned. */
360 int JimStringFirst(const char *s1
, int l1
, const char *s2
, int l2
, int index
)
364 if (!l1
|| !l2
|| l1
> l2
) return -1;
365 if (index
< 0) index
= 0;
367 for (i
= index
; i
<= l2
-l1
; i
++) {
368 if (memcmp(s2
, s1
, l1
) == 0)
375 int Jim_WideToString(char *buf
, jim_wide wideValue
)
377 const char *fmt
= "%" JIM_WIDE_MODIFIER
;
378 return sprintf(buf
, fmt
, wideValue
);
381 int Jim_StringToWide(const char *str
, jim_wide
*widePtr
, int base
)
385 #ifdef HAVE_LONG_LONG
386 *widePtr
= JimStrtoll(str
, &endptr
, base
);
388 *widePtr
= strtol(str
, &endptr
, base
);
390 if ((str
[0] == '\0') || (str
== endptr
) )
392 if (endptr
[0] != '\0') {
394 if (!isspace((int)*endptr
))
402 int Jim_StringToIndex(const char *str
, int *intPtr
)
406 *intPtr
= strtol(str
, &endptr
, 10);
407 if ( (str
[0] == '\0') || (str
== endptr
) )
409 if (endptr
[0] != '\0') {
411 if (!isspace((int)*endptr
))
419 /* The string representation of references has two features in order
420 * to make the GC faster. The first is that every reference starts
421 * with a non common character '~', in order to make the string matching
422 * fater. The second is that the reference string rep his 32 characters
423 * in length, this allows to avoid to check every object with a string
424 * repr < 32, and usually there are many of this objects. */
426 #define JIM_REFERENCE_SPACE (35+JIM_REFERENCE_TAGLEN)
428 static int JimFormatReference(char *buf
, Jim_Reference
*refPtr
, jim_wide id
)
430 const char *fmt
= "<reference.<%s>.%020" JIM_WIDE_MODIFIER
">";
431 sprintf(buf
, fmt
, refPtr
->tag
, id
);
432 return JIM_REFERENCE_SPACE
;
435 int Jim_DoubleToString(char *buf
, double doubleValue
)
440 len
= sprintf(buf
, "%.17g", doubleValue
);
443 if (*s
== '.') return len
;
446 /* Add a final ".0" if it's a number. But not
448 if (isdigit((int)buf
[0])
449 || ((buf
[0] == '-' || buf
[0] == '+')
450 && isdigit((int)buf
[1]))) {
459 int Jim_StringToDouble(const char *str
, double *doublePtr
)
463 *doublePtr
= strtod(str
, &endptr
);
464 if (str
[0] == '\0' || endptr
[0] != '\0' || (str
== endptr
) )
469 static jim_wide
JimPowWide(jim_wide b
, jim_wide e
)
472 if ((b
==0 && e
!=0) || (e
<0)) return 0;
473 for(i
=0; i
<e
; i
++) {res
*= b
;}
477 /* -----------------------------------------------------------------------------
479 * ---------------------------------------------------------------------------*/
481 /* Note that 'interp' may be NULL if not available in the
482 * context of the panic. It's only useful to get the error
483 * file descriptor, it will default to stderr otherwise. */
484 void Jim_Panic(Jim_Interp
*interp
, const char *fmt
, ...)
490 * Send it here first.. Assuming STDIO still works
492 fprintf(stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
493 vfprintf(stderr
, fmt
, ap
);
494 fprintf(stderr
, JIM_NL JIM_NL
);
497 #ifdef HAVE_BACKTRACE
503 size
= backtrace(array
, 40);
504 strings
= backtrace_symbols(array
, size
);
505 for (i
= 0; i
< size
; i
++)
506 fprintf(fp
,"[backtrace] %s" JIM_NL
, strings
[i
]);
507 fprintf(fp
,"[backtrace] Include the above lines and the output" JIM_NL
);
508 fprintf(fp
,"[backtrace] of 'nm <executable>' in the bug report." JIM_NL
);
512 /* This may actually crash... we do it last */
513 if( interp
&& interp
->cookie_stderr
){
514 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL
"JIM INTERPRETER PANIC: ");
515 Jim_vfprintf( interp
, interp
->cookie_stderr
, fmt
, ap
);
516 Jim_fprintf( interp
, interp
->cookie_stderr
, JIM_NL JIM_NL
);
521 /* -----------------------------------------------------------------------------
523 * ---------------------------------------------------------------------------*/
525 /* Macro used for memory debugging.
526 * In order for they to work you have to rename Jim_Alloc into _Jim_Alloc
527 * and similary for Jim_Realloc and Jim_Free */
529 #define Jim_Alloc(s) (printf("%s %d: Jim_Alloc(%d)\n",__FILE__,__LINE__,s),_Jim_Alloc(s))
530 #define Jim_Free(p) (printf("%s %d: Jim_Free(%p)\n",__FILE__,__LINE__,p),_Jim_Free(p))
531 #define Jim_Realloc(p,s) (printf("%s %d: Jim_Realloc(%p,%d)\n",__FILE__,__LINE__,p,s),_Jim_Realloc(p,s))
534 void *Jim_Alloc(int size
)
536 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
539 void *p
= malloc(size
);
541 Jim_Panic(NULL
,"malloc: Out of memory");
545 void Jim_Free(void *ptr
) {
549 void *Jim_Realloc(void *ptr
, int size
)
551 /* We allocate zero length arrayes, etc. to use a single orthogonal codepath */
554 void *p
= realloc(ptr
, size
);
556 Jim_Panic(NULL
,"realloc: Out of memory");
560 char *Jim_StrDup(const char *s
)
563 char *copy
= Jim_Alloc(l
+1);
565 memcpy(copy
, s
, l
+1);
569 char *Jim_StrDupLen(const char *s
, int l
)
571 char *copy
= Jim_Alloc(l
+1);
573 memcpy(copy
, s
, l
+1);
574 copy
[l
] = 0; /* Just to be sure, original could be substring */
578 /* -----------------------------------------------------------------------------
579 * Time related functions
580 * ---------------------------------------------------------------------------*/
581 /* Returns microseconds of CPU used since start. */
582 static jim_wide
JimClock(void)
584 #if (defined WIN32) && !(defined JIM_ANSIC)
586 QueryPerformanceFrequency(&f
);
587 QueryPerformanceCounter(&t
);
588 return (long)((t
.QuadPart
* 1000000) / f
.QuadPart
);
590 clock_t clocks
= clock();
592 return (long)(clocks
*(1000000/CLOCKS_PER_SEC
));
596 /* -----------------------------------------------------------------------------
598 * ---------------------------------------------------------------------------*/
600 /* -------------------------- private prototypes ---------------------------- */
601 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
);
602 static unsigned int JimHashTableNextPower(unsigned int size
);
603 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
);
605 /* -------------------------- hash functions -------------------------------- */
607 /* Thomas Wang's 32 bit Mix Function */
608 unsigned int Jim_IntHashFunction(unsigned int key
)
619 /* Identity hash function for integer keys */
620 unsigned int Jim_IdentityHashFunction(unsigned int key
)
625 /* Generic hash function (we are using to multiply by 9 and add the byte
627 unsigned int Jim_GenHashFunction(const unsigned char *buf
, int len
)
635 /* ----------------------------- API implementation ------------------------- */
636 /* reset an hashtable already initialized with ht_init().
637 * NOTE: This function should only called by ht_destroy(). */
638 static void JimResetHashTable(Jim_HashTable
*ht
)
647 /* Initialize the hash table */
648 int Jim_InitHashTable(Jim_HashTable
*ht
, Jim_HashTableType
*type
,
651 JimResetHashTable(ht
);
653 ht
->privdata
= privDataPtr
;
657 /* Resize the table to the minimal size that contains all the elements,
658 * but with the invariant of a USER/BUCKETS ration near to <= 1 */
659 int Jim_ResizeHashTable(Jim_HashTable
*ht
)
661 int minimal
= ht
->used
;
663 if (minimal
< JIM_HT_INITIAL_SIZE
)
664 minimal
= JIM_HT_INITIAL_SIZE
;
665 return Jim_ExpandHashTable(ht
, minimal
);
668 /* Expand or create the hashtable */
669 int Jim_ExpandHashTable(Jim_HashTable
*ht
, unsigned int size
)
671 Jim_HashTable n
; /* the new hashtable */
672 unsigned int realsize
= JimHashTableNextPower(size
), i
;
674 /* the size is invalid if it is smaller than the number of
675 * elements already inside the hashtable */
676 if (ht
->used
>= size
)
679 Jim_InitHashTable(&n
, ht
->type
, ht
->privdata
);
681 n
.sizemask
= realsize
-1;
682 n
.table
= Jim_Alloc(realsize
*sizeof(Jim_HashEntry
*));
684 /* Initialize all the pointers to NULL */
685 memset(n
.table
, 0, realsize
*sizeof(Jim_HashEntry
*));
687 /* Copy all the elements from the old to the new table:
688 * note that if the old hash table is empty ht->size is zero,
689 * so Jim_ExpandHashTable just creates an hash table. */
691 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
692 Jim_HashEntry
*he
, *nextHe
;
694 if (ht
->table
[i
] == NULL
) continue;
696 /* For each hash entry on this slot... */
702 /* Get the new element index */
703 h
= Jim_HashKey(ht
, he
->key
) & n
.sizemask
;
704 he
->next
= n
.table
[h
];
707 /* Pass to the next element */
711 assert(ht
->used
== 0);
714 /* Remap the new hashtable in the old */
719 /* Add an element to the target hash table */
720 int Jim_AddHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
723 Jim_HashEntry
*entry
;
725 /* Get the index of the new element, or -1 if
726 * the element already exists. */
727 if ((index
= JimInsertHashEntry(ht
, key
)) == -1)
730 /* Allocates the memory and stores key */
731 entry
= Jim_Alloc(sizeof(*entry
));
732 entry
->next
= ht
->table
[index
];
733 ht
->table
[index
] = entry
;
735 /* Set the hash entry fields. */
736 Jim_SetHashKey(ht
, entry
, key
);
737 Jim_SetHashVal(ht
, entry
, val
);
742 /* Add an element, discarding the old if the key already exists */
743 int Jim_ReplaceHashEntry(Jim_HashTable
*ht
, const void *key
, void *val
)
745 Jim_HashEntry
*entry
;
747 /* Try to add the element. If the key
748 * does not exists Jim_AddHashEntry will suceed. */
749 if (Jim_AddHashEntry(ht
, key
, val
) == JIM_OK
)
751 /* It already exists, get the entry */
752 entry
= Jim_FindHashEntry(ht
, key
);
753 /* Free the old value and set the new one */
754 Jim_FreeEntryVal(ht
, entry
);
755 Jim_SetHashVal(ht
, entry
, val
);
759 /* Search and remove an element */
760 int Jim_DeleteHashEntry(Jim_HashTable
*ht
, const void *key
)
763 Jim_HashEntry
*he
, *prevHe
;
767 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
772 if (Jim_CompareHashKeys(ht
, key
, he
->key
)) {
773 /* Unlink the element from the list */
775 prevHe
->next
= he
->next
;
777 ht
->table
[h
] = he
->next
;
778 Jim_FreeEntryKey(ht
, he
);
779 Jim_FreeEntryVal(ht
, he
);
787 return JIM_ERR
; /* not found */
790 /* Destroy an entire hash table */
791 int Jim_FreeHashTable(Jim_HashTable
*ht
)
795 /* Free all the elements */
796 for (i
= 0; i
< ht
->size
&& ht
->used
> 0; i
++) {
797 Jim_HashEntry
*he
, *nextHe
;
799 if ((he
= ht
->table
[i
]) == NULL
) continue;
802 Jim_FreeEntryKey(ht
, he
);
803 Jim_FreeEntryVal(ht
, he
);
809 /* Free the table and the allocated cache structure */
811 /* Re-initialize the table */
812 JimResetHashTable(ht
);
813 return JIM_OK
; /* never fails */
816 Jim_HashEntry
*Jim_FindHashEntry(Jim_HashTable
*ht
, const void *key
)
821 if (ht
->size
== 0) return NULL
;
822 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
825 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
832 Jim_HashTableIterator
*Jim_GetHashTableIterator(Jim_HashTable
*ht
)
834 Jim_HashTableIterator
*iter
= Jim_Alloc(sizeof(*iter
));
839 iter
->nextEntry
= NULL
;
843 Jim_HashEntry
*Jim_NextHashEntry(Jim_HashTableIterator
*iter
)
846 if (iter
->entry
== NULL
) {
849 (signed)iter
->ht
->size
) break;
850 iter
->entry
= iter
->ht
->table
[iter
->index
];
852 iter
->entry
= iter
->nextEntry
;
855 /* We need to save the 'next' here, the iterator user
856 * may delete the entry we are returning. */
857 iter
->nextEntry
= iter
->entry
->next
;
864 /* ------------------------- private functions ------------------------------ */
866 /* Expand the hash table if needed */
867 static int JimExpandHashTableIfNeeded(Jim_HashTable
*ht
)
869 /* If the hash table is empty expand it to the intial size,
870 * if the table is "full" dobule its size. */
872 return Jim_ExpandHashTable(ht
, JIM_HT_INITIAL_SIZE
);
873 if (ht
->size
== ht
->used
)
874 return Jim_ExpandHashTable(ht
, ht
->size
*2);
878 /* Our hash table capability is a power of two */
879 static unsigned int JimHashTableNextPower(unsigned int size
)
881 unsigned int i
= JIM_HT_INITIAL_SIZE
;
883 if (size
>= 2147483648U)
892 /* Returns the index of a free slot that can be populated with
893 * an hash entry for the given 'key'.
894 * If the key already exists, -1 is returned. */
895 static int JimInsertHashEntry(Jim_HashTable
*ht
, const void *key
)
900 /* Expand the hashtable if needed */
901 if (JimExpandHashTableIfNeeded(ht
) == JIM_ERR
)
903 /* Compute the key hash value */
904 h
= Jim_HashKey(ht
, key
) & ht
->sizemask
;
905 /* Search if this slot does not already contain the given key */
908 if (Jim_CompareHashKeys(ht
, key
, he
->key
))
915 /* ----------------------- StringCopy Hash Table Type ------------------------*/
917 static unsigned int JimStringCopyHTHashFunction(const void *key
)
919 return Jim_GenHashFunction(key
, strlen(key
));
922 static const void *JimStringCopyHTKeyDup(void *privdata
, const void *key
)
924 int len
= strlen(key
);
925 char *copy
= Jim_Alloc(len
+1);
926 JIM_NOTUSED(privdata
);
928 memcpy(copy
, key
, len
);
933 static void *JimStringKeyValCopyHTValDup(void *privdata
, const void *val
)
935 int len
= strlen(val
);
936 char *copy
= Jim_Alloc(len
+1);
937 JIM_NOTUSED(privdata
);
939 memcpy(copy
, val
, len
);
944 static int JimStringCopyHTKeyCompare(void *privdata
, const void *key1
,
947 JIM_NOTUSED(privdata
);
949 return strcmp(key1
, key2
) == 0;
952 static void JimStringCopyHTKeyDestructor(void *privdata
, const void *key
)
954 JIM_NOTUSED(privdata
);
956 Jim_Free((void*)key
); /* ATTENTION: const cast */
959 static void JimStringKeyValCopyHTValDestructor(void *privdata
, void *val
)
961 JIM_NOTUSED(privdata
);
963 Jim_Free((void*)val
); /* ATTENTION: const cast */
966 static Jim_HashTableType JimStringCopyHashTableType
= {
967 JimStringCopyHTHashFunction
, /* hash function */
968 JimStringCopyHTKeyDup
, /* key dup */
970 JimStringCopyHTKeyCompare
, /* key compare */
971 JimStringCopyHTKeyDestructor
, /* key destructor */
972 NULL
/* val destructor */
975 /* This is like StringCopy but does not auto-duplicate the key.
976 * It's used for intepreter's shared strings. */
977 static Jim_HashTableType JimSharedStringsHashTableType
= {
978 JimStringCopyHTHashFunction
, /* hash function */
981 JimStringCopyHTKeyCompare
, /* key compare */
982 JimStringCopyHTKeyDestructor
, /* key destructor */
983 NULL
/* val destructor */
986 /* This is like StringCopy but also automatically handle dynamic
987 * allocated C strings as values. */
988 static Jim_HashTableType JimStringKeyValCopyHashTableType
= {
989 JimStringCopyHTHashFunction
, /* hash function */
990 JimStringCopyHTKeyDup
, /* key dup */
991 JimStringKeyValCopyHTValDup
, /* val dup */
992 JimStringCopyHTKeyCompare
, /* key compare */
993 JimStringCopyHTKeyDestructor
, /* key destructor */
994 JimStringKeyValCopyHTValDestructor
, /* val destructor */
997 typedef struct AssocDataValue
{
998 Jim_InterpDeleteProc
*delProc
;
1002 static void JimAssocDataHashTableValueDestructor(void *privdata
, void *data
)
1004 AssocDataValue
*assocPtr
= (AssocDataValue
*)data
;
1005 if (assocPtr
->delProc
!= NULL
)
1006 assocPtr
->delProc((Jim_Interp
*)privdata
, assocPtr
->data
);
1010 static Jim_HashTableType JimAssocDataHashTableType
= {
1011 JimStringCopyHTHashFunction
, /* hash function */
1012 JimStringCopyHTKeyDup
, /* key dup */
1014 JimStringCopyHTKeyCompare
, /* key compare */
1015 JimStringCopyHTKeyDestructor
, /* key destructor */
1016 JimAssocDataHashTableValueDestructor
/* val destructor */
1019 /* -----------------------------------------------------------------------------
1020 * Stack - This is a simple generic stack implementation. It is used for
1021 * example in the 'expr' expression compiler.
1022 * ---------------------------------------------------------------------------*/
1023 void Jim_InitStack(Jim_Stack
*stack
)
1027 stack
->vector
= NULL
;
1030 void Jim_FreeStack(Jim_Stack
*stack
)
1032 Jim_Free(stack
->vector
);
1035 int Jim_StackLen(Jim_Stack
*stack
)
1040 void Jim_StackPush(Jim_Stack
*stack
, void *element
) {
1041 int neededLen
= stack
->len
+1;
1042 if (neededLen
> stack
->maxlen
) {
1043 stack
->maxlen
= neededLen
*2;
1044 stack
->vector
= Jim_Realloc(stack
->vector
, sizeof(void*)*stack
->maxlen
);
1046 stack
->vector
[stack
->len
] = element
;
1050 void *Jim_StackPop(Jim_Stack
*stack
)
1052 if (stack
->len
== 0) return NULL
;
1054 return stack
->vector
[stack
->len
];
1057 void *Jim_StackPeek(Jim_Stack
*stack
)
1059 if (stack
->len
== 0) return NULL
;
1060 return stack
->vector
[stack
->len
-1];
1063 void Jim_FreeStackElements(Jim_Stack
*stack
, void (*freeFunc
)(void *ptr
))
1067 for (i
= 0; i
< stack
->len
; i
++)
1068 freeFunc(stack
->vector
[i
]);
1071 /* -----------------------------------------------------------------------------
1073 * ---------------------------------------------------------------------------*/
1076 #define JIM_TT_NONE -1 /* No token returned */
1077 #define JIM_TT_STR 0 /* simple string */
1078 #define JIM_TT_ESC 1 /* string that needs escape chars conversion */
1079 #define JIM_TT_VAR 2 /* var substitution */
1080 #define JIM_TT_DICTSUGAR 3 /* Syntax sugar for [dict get], $foo(bar) */
1081 #define JIM_TT_CMD 4 /* command substitution */
1082 #define JIM_TT_SEP 5 /* word separator */
1083 #define JIM_TT_EOL 6 /* line separator */
1085 /* Additional token types needed for expressions */
1086 #define JIM_TT_SUBEXPR_START 7
1087 #define JIM_TT_SUBEXPR_END 8
1088 #define JIM_TT_EXPR_NUMBER 9
1089 #define JIM_TT_EXPR_OPERATOR 10
1092 #define JIM_PS_DEF 0 /* Default state */
1093 #define JIM_PS_QUOTE 1 /* Inside "" */
1095 /* Parser context structure. The same context is used both to parse
1096 * Tcl scripts and lists. */
1097 struct JimParserCtx
{
1098 const char *prg
; /* Program text */
1099 const char *p
; /* Pointer to the point of the program we are parsing */
1100 int len
; /* Left length of 'prg' */
1101 int linenr
; /* Current line number */
1103 const char *tend
; /* Returned token is at tstart-tend in 'prg'. */
1104 int tline
; /* Line number of the returned token */
1105 int tt
; /* Token type */
1106 int eof
; /* Non zero if EOF condition is true. */
1107 int state
; /* Parser state */
1108 int comment
; /* Non zero if the next chars may be a comment. */
1111 #define JimParserEof(c) ((c)->eof)
1112 #define JimParserTstart(c) ((c)->tstart)
1113 #define JimParserTend(c) ((c)->tend)
1114 #define JimParserTtype(c) ((c)->tt)
1115 #define JimParserTline(c) ((c)->tline)
1117 static int JimParseScript(struct JimParserCtx
*pc
);
1118 static int JimParseSep(struct JimParserCtx
*pc
);
1119 static int JimParseEol(struct JimParserCtx
*pc
);
1120 static int JimParseCmd(struct JimParserCtx
*pc
);
1121 static int JimParseVar(struct JimParserCtx
*pc
);
1122 static int JimParseBrace(struct JimParserCtx
*pc
);
1123 static int JimParseStr(struct JimParserCtx
*pc
);
1124 static int JimParseComment(struct JimParserCtx
*pc
);
1125 static char *JimParserGetToken(struct JimParserCtx
*pc
,
1126 int *lenPtr
, int *typePtr
, int *linePtr
);
1128 /* Initialize a parser context.
1129 * 'prg' is a pointer to the program text, linenr is the line
1130 * number of the first line contained in the program. */
1131 void JimParserInit(struct JimParserCtx
*pc
, const char *prg
,
1132 int len
, int linenr
)
1140 pc
->tt
= JIM_TT_NONE
;
1142 pc
->state
= JIM_PS_DEF
;
1143 pc
->linenr
= linenr
;
1147 int JimParseScript(struct JimParserCtx
*pc
)
1149 while(1) { /* the while is used to reiterate with continue if needed */
1153 pc
->tline
= pc
->linenr
;
1154 pc
->tt
= JIM_TT_EOL
;
1160 if (*(pc
->p
+1) == '\n')
1161 return JimParseSep(pc
);
1164 return JimParseStr(pc
);
1170 if (pc
->state
== JIM_PS_DEF
)
1171 return JimParseSep(pc
);
1174 return JimParseStr(pc
);
1180 if (pc
->state
== JIM_PS_DEF
)
1181 return JimParseEol(pc
);
1183 return JimParseStr(pc
);
1187 return JimParseCmd(pc
);
1191 if (JimParseVar(pc
) == JIM_ERR
) {
1192 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
1193 pc
->tline
= pc
->linenr
;
1194 pc
->tt
= JIM_TT_STR
;
1201 JimParseComment(pc
);
1204 return JimParseStr(pc
);
1208 return JimParseStr(pc
);
1215 int JimParseSep(struct JimParserCtx
*pc
)
1218 pc
->tline
= pc
->linenr
;
1219 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' ||
1220 (*pc
->p
== '\\' && *(pc
->p
+1) == '\n')) {
1221 if (*pc
->p
== '\\') {
1228 pc
->tt
= JIM_TT_SEP
;
1232 int JimParseEol(struct JimParserCtx
*pc
)
1235 pc
->tline
= pc
->linenr
;
1236 while (*pc
->p
== ' ' || *pc
->p
== '\n' ||
1237 *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== ';') {
1243 pc
->tt
= JIM_TT_EOL
;
1247 /* Todo. Don't stop if ']' appears inside {} or quoted.
1248 * Also should handle the case of puts [string length "]"] */
1249 int JimParseCmd(struct JimParserCtx
*pc
)
1254 pc
->tstart
= ++pc
->p
; pc
->len
--;
1255 pc
->tline
= pc
->linenr
;
1259 } else if (*pc
->p
== '[' && blevel
== 0) {
1261 } else if (*pc
->p
== ']' && blevel
== 0) {
1264 } else if (*pc
->p
== '\\') {
1266 } else if (*pc
->p
== '{') {
1268 } else if (*pc
->p
== '}') {
1271 } else if (*pc
->p
== '\n')
1276 pc
->tt
= JIM_TT_CMD
;
1277 if (*pc
->p
== ']') {
1283 int JimParseVar(struct JimParserCtx
*pc
)
1285 int brace
= 0, stop
= 0, ttype
= JIM_TT_VAR
;
1287 pc
->tstart
= ++pc
->p
; pc
->len
--; /* skip the $ */
1288 pc
->tline
= pc
->linenr
;
1289 if (*pc
->p
== '{') {
1290 pc
->tstart
= ++pc
->p
; pc
->len
--;
1295 if (*pc
->p
== '}' || pc
->len
== 0) {
1300 else if (*pc
->p
== '\n')
1310 if (!((*pc
->p
>= 'a' && *pc
->p
<= 'z') ||
1311 (*pc
->p
>= 'A' && *pc
->p
<= 'Z') ||
1312 (*pc
->p
>= '0' && *pc
->p
<= '9') || *pc
->p
== '_'))
1318 /* Parse [dict get] syntax sugar. */
1319 if (*pc
->p
== '(') {
1320 while (*pc
->p
!= ')' && pc
->len
) {
1322 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1323 pc
->p
+= 2; pc
->len
-= 2;
1326 if (*pc
->p
!= '\0') {
1329 ttype
= JIM_TT_DICTSUGAR
;
1333 /* Check if we parsed just the '$' character.
1334 * That's not a variable so an error is returned
1335 * to tell the state machine to consider this '$' just
1337 if (pc
->tstart
== pc
->p
) {
1345 int JimParseBrace(struct JimParserCtx
*pc
)
1349 pc
->tstart
= ++pc
->p
; pc
->len
--;
1350 pc
->tline
= pc
->linenr
;
1352 if (*pc
->p
== '\\' && pc
->len
>= 2) {
1356 } else if (*pc
->p
== '{') {
1358 } else if (pc
->len
== 0 || *pc
->p
== '}') {
1360 if (pc
->len
== 0 || level
== 0) {
1365 pc
->tt
= JIM_TT_STR
;
1368 } else if (*pc
->p
== '\n') {
1373 return JIM_OK
; /* unreached */
1376 int JimParseStr(struct JimParserCtx
*pc
)
1378 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1379 pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_STR
);
1380 if (newword
&& *pc
->p
== '{') {
1381 return JimParseBrace(pc
);
1382 } else if (newword
&& *pc
->p
== '"') {
1383 pc
->state
= JIM_PS_QUOTE
;
1387 pc
->tline
= pc
->linenr
;
1391 pc
->tt
= JIM_TT_ESC
;
1396 if (pc
->state
== JIM_PS_DEF
&&
1397 *(pc
->p
+1) == '\n') {
1399 pc
->tt
= JIM_TT_ESC
;
1409 pc
->tt
= JIM_TT_ESC
;
1416 if (pc
->state
== JIM_PS_DEF
) {
1418 pc
->tt
= JIM_TT_ESC
;
1420 } else if (*pc
->p
== '\n') {
1425 if (pc
->state
== JIM_PS_QUOTE
) {
1427 pc
->tt
= JIM_TT_ESC
;
1429 pc
->state
= JIM_PS_DEF
;
1436 return JIM_OK
; /* unreached */
1439 int JimParseComment(struct JimParserCtx
*pc
)
1442 if (*pc
->p
== '\n') {
1444 if (*(pc
->p
-1) != '\\') {
1454 /* xdigitval and odigitval are helper functions for JimParserGetToken() */
1455 static int xdigitval(int c
)
1457 if (c
>= '0' && c
<= '9') return c
-'0';
1458 if (c
>= 'a' && c
<= 'f') return c
-'a'+10;
1459 if (c
>= 'A' && c
<= 'F') return c
-'A'+10;
1463 static int odigitval(int c
)
1465 if (c
>= '0' && c
<= '7') return c
-'0';
1469 /* Perform Tcl escape substitution of 's', storing the result
1470 * string into 'dest'. The escaped string is guaranteed to
1471 * be the same length or shorted than the source string.
1472 * Slen is the length of the string at 's', if it's -1 the string
1473 * length will be calculated by the function.
1475 * The function returns the length of the resulting string. */
1476 static int JimEscape(char *dest
, const char *s
, int slen
)
1484 for (i
= 0; i
< slen
; i
++) {
1488 case 'a': *p
++ = 0x7; i
++; break;
1489 case 'b': *p
++ = 0x8; i
++; break;
1490 case 'f': *p
++ = 0xc; i
++; break;
1491 case 'n': *p
++ = 0xa; i
++; break;
1492 case 'r': *p
++ = 0xd; i
++; break;
1493 case 't': *p
++ = 0x9; i
++; break;
1494 case 'v': *p
++ = 0xb; i
++; break;
1495 case '\0': *p
++ = '\\'; i
++; break;
1496 case '\n': *p
++ = ' '; i
++; break;
1498 if (s
[i
+1] == 'x') {
1500 int c
= xdigitval(s
[i
+2]);
1507 c
= xdigitval(s
[i
+3]);
1517 } else if (s
[i
+1] >= '0' && s
[i
+1] <= '7')
1520 int c
= odigitval(s
[i
+1]);
1522 c
= odigitval(s
[i
+2]);
1529 c
= odigitval(s
[i
+3]);
1555 /* Returns a dynamically allocated copy of the current token in the
1556 * parser context. The function perform conversion of escapes if
1557 * the token is of type JIM_TT_ESC.
1559 * Note that after the conversion, tokens that are grouped with
1560 * braces in the source code, are always recognizable from the
1561 * identical string obtained in a different way from the type.
1563 * For exmple the string:
1567 * will return as first token "expand", of type JIM_TT_STR
1573 * will return as first token "expand", of type JIM_TT_ESC
1575 char *JimParserGetToken(struct JimParserCtx
*pc
,
1576 int *lenPtr
, int *typePtr
, int *linePtr
)
1578 const char *start
, *end
;
1582 start
= JimParserTstart(pc
);
1583 end
= JimParserTend(pc
);
1585 if (lenPtr
) *lenPtr
= 0;
1586 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1587 if (linePtr
) *linePtr
= JimParserTline(pc
);
1588 token
= Jim_Alloc(1);
1592 len
= (end
-start
)+1;
1593 token
= Jim_Alloc(len
+1);
1594 if (JimParserTtype(pc
) != JIM_TT_ESC
) {
1595 /* No escape conversion needed? Just copy it. */
1596 memcpy(token
, start
, len
);
1599 /* Else convert the escape chars. */
1600 len
= JimEscape(token
, start
, len
);
1602 if (lenPtr
) *lenPtr
= len
;
1603 if (typePtr
) *typePtr
= JimParserTtype(pc
);
1604 if (linePtr
) *linePtr
= JimParserTline(pc
);
1608 /* The following functin is not really part of the parsing engine of Jim,
1609 * but it somewhat related. Given an string and its length, it tries
1610 * to guess if the script is complete or there are instead " " or { }
1611 * open and not completed. This is useful for interactive shells
1612 * implementation and for [info complete].
1614 * If 'stateCharPtr' != NULL, the function stores ' ' on complete script,
1615 * '{' on scripts incomplete missing one or more '}' to be balanced.
1616 * '"' on scripts incomplete missing a '"' char.
1618 * If the script is complete, 1 is returned, otherwise 0. */
1619 int Jim_ScriptIsComplete(const char *s
, int len
, char *stateCharPtr
)
1633 } else if (state
== '"') {
1640 } else if (state
== ' ') {
1657 *stateCharPtr
= state
;
1658 return state
== ' ';
1661 /* -----------------------------------------------------------------------------
1663 * ---------------------------------------------------------------------------*/
1664 static int JimParseListSep(struct JimParserCtx
*pc
);
1665 static int JimParseListStr(struct JimParserCtx
*pc
);
1667 int JimParseList(struct JimParserCtx
*pc
)
1670 pc
->tstart
= pc
->tend
= pc
->p
;
1671 pc
->tline
= pc
->linenr
;
1672 pc
->tt
= JIM_TT_EOL
;
1681 if (pc
->state
== JIM_PS_DEF
)
1682 return JimParseListSep(pc
);
1684 return JimParseListStr(pc
);
1687 return JimParseListStr(pc
);
1693 int JimParseListSep(struct JimParserCtx
*pc
)
1696 pc
->tline
= pc
->linenr
;
1697 while (*pc
->p
== ' ' || *pc
->p
== '\t' || *pc
->p
== '\r' || *pc
->p
== '\n')
1702 pc
->tt
= JIM_TT_SEP
;
1706 int JimParseListStr(struct JimParserCtx
*pc
)
1708 int newword
= (pc
->tt
== JIM_TT_SEP
|| pc
->tt
== JIM_TT_EOL
||
1709 pc
->tt
== JIM_TT_NONE
);
1710 if (newword
&& *pc
->p
== '{') {
1711 return JimParseBrace(pc
);
1712 } else if (newword
&& *pc
->p
== '"') {
1713 pc
->state
= JIM_PS_QUOTE
;
1717 pc
->tline
= pc
->linenr
;
1721 pc
->tt
= JIM_TT_ESC
;
1732 if (pc
->state
== JIM_PS_DEF
) {
1734 pc
->tt
= JIM_TT_ESC
;
1736 } else if (*pc
->p
== '\n') {
1741 if (pc
->state
== JIM_PS_QUOTE
) {
1743 pc
->tt
= JIM_TT_ESC
;
1745 pc
->state
= JIM_PS_DEF
;
1752 return JIM_OK
; /* unreached */
1755 /* -----------------------------------------------------------------------------
1756 * Jim_Obj related functions
1757 * ---------------------------------------------------------------------------*/
1759 /* Return a new initialized object. */
1760 Jim_Obj
*Jim_NewObj(Jim_Interp
*interp
)
1764 /* -- Check if there are objects in the free list -- */
1765 if (interp
->freeList
!= NULL
) {
1766 /* -- Unlink the object from the free list -- */
1767 objPtr
= interp
->freeList
;
1768 interp
->freeList
= objPtr
->nextObjPtr
;
1770 /* -- No ready to use objects: allocate a new one -- */
1771 objPtr
= Jim_Alloc(sizeof(*objPtr
));
1774 /* Object is returned with refCount of 0. Every
1775 * kind of GC implemented should take care to don't try
1776 * to scan objects with refCount == 0. */
1777 objPtr
->refCount
= 0;
1778 /* All the other fields are left not initialized to save time.
1779 * The caller will probably want set they to the right
1782 /* -- Put the object into the live list -- */
1783 objPtr
->prevObjPtr
= NULL
;
1784 objPtr
->nextObjPtr
= interp
->liveList
;
1785 if (interp
->liveList
)
1786 interp
->liveList
->prevObjPtr
= objPtr
;
1787 interp
->liveList
= objPtr
;
1792 /* Free an object. Actually objects are never freed, but
1793 * just moved to the free objects list, where they will be
1794 * reused by Jim_NewObj(). */
1795 void Jim_FreeObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1797 /* Check if the object was already freed, panic. */
1798 if (objPtr
->refCount
!= 0) {
1799 Jim_Panic(interp
,"!!!Object %p freed with bad refcount %d", objPtr
,
1802 /* Free the internal representation */
1803 Jim_FreeIntRep(interp
, objPtr
);
1804 /* Free the string representation */
1805 if (objPtr
->bytes
!= NULL
) {
1806 if (objPtr
->bytes
!= JimEmptyStringRep
)
1807 Jim_Free(objPtr
->bytes
);
1809 /* Unlink the object from the live objects list */
1810 if (objPtr
->prevObjPtr
)
1811 objPtr
->prevObjPtr
->nextObjPtr
= objPtr
->nextObjPtr
;
1812 if (objPtr
->nextObjPtr
)
1813 objPtr
->nextObjPtr
->prevObjPtr
= objPtr
->prevObjPtr
;
1814 if (interp
->liveList
== objPtr
)
1815 interp
->liveList
= objPtr
->nextObjPtr
;
1816 /* Link the object into the free objects list */
1817 objPtr
->prevObjPtr
= NULL
;
1818 objPtr
->nextObjPtr
= interp
->freeList
;
1819 if (interp
->freeList
)
1820 interp
->freeList
->prevObjPtr
= objPtr
;
1821 interp
->freeList
= objPtr
;
1822 objPtr
->refCount
= -1;
1825 /* Invalidate the string representation of an object. */
1826 void Jim_InvalidateStringRep(Jim_Obj
*objPtr
)
1828 if (objPtr
->bytes
!= NULL
) {
1829 if (objPtr
->bytes
!= JimEmptyStringRep
)
1830 Jim_Free(objPtr
->bytes
);
1832 objPtr
->bytes
= NULL
;
1835 #define Jim_SetStringRep(o, b, l) \
1836 do { (o)->bytes = b; (o)->length = l; } while (0)
1838 /* Set the initial string representation for an object.
1839 * Does not try to free an old one. */
1840 void Jim_InitStringRep(Jim_Obj
*objPtr
, const char *bytes
, int length
)
1843 objPtr
->bytes
= JimEmptyStringRep
;
1846 objPtr
->bytes
= Jim_Alloc(length
+1);
1847 objPtr
->length
= length
;
1848 memcpy(objPtr
->bytes
, bytes
, length
);
1849 objPtr
->bytes
[length
] = '\0';
1853 /* Duplicate an object. The returned object has refcount = 0. */
1854 Jim_Obj
*Jim_DuplicateObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1858 dupPtr
= Jim_NewObj(interp
);
1859 if (objPtr
->bytes
== NULL
) {
1860 /* Object does not have a valid string representation. */
1861 dupPtr
->bytes
= NULL
;
1863 Jim_InitStringRep(dupPtr
, objPtr
->bytes
, objPtr
->length
);
1865 if (objPtr
->typePtr
!= NULL
) {
1866 if (objPtr
->typePtr
->dupIntRepProc
== NULL
) {
1867 dupPtr
->internalRep
= objPtr
->internalRep
;
1869 objPtr
->typePtr
->dupIntRepProc(interp
, objPtr
, dupPtr
);
1871 dupPtr
->typePtr
= objPtr
->typePtr
;
1873 dupPtr
->typePtr
= NULL
;
1878 /* Return the string representation for objPtr. If the object
1879 * string representation is invalid, calls the method to create
1880 * a new one starting from the internal representation of the object. */
1881 const char *Jim_GetString(Jim_Obj
*objPtr
, int *lenPtr
)
1883 if (objPtr
->bytes
== NULL
) {
1884 /* Invalid string repr. Generate it. */
1885 if (objPtr
->typePtr
->updateStringProc
== NULL
) {
1886 Jim_Panic(NULL
,"UpdataStringProc called against '%s' type.",
1887 objPtr
->typePtr
->name
);
1889 objPtr
->typePtr
->updateStringProc(objPtr
);
1892 *lenPtr
= objPtr
->length
;
1893 return objPtr
->bytes
;
1896 /* Just returns the length of the object's string rep */
1897 int Jim_Length(Jim_Obj
*objPtr
)
1901 Jim_GetString(objPtr
, &len
);
1905 /* -----------------------------------------------------------------------------
1907 * ---------------------------------------------------------------------------*/
1908 static void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
1909 static int SetStringFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
1911 static Jim_ObjType stringObjType
= {
1914 DupStringInternalRep
,
1916 JIM_TYPE_REFERENCES
,
1919 void DupStringInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
1921 JIM_NOTUSED(interp
);
1923 /* This is a bit subtle: the only caller of this function
1924 * should be Jim_DuplicateObj(), that will copy the
1925 * string representaion. After the copy, the duplicated
1926 * object will not have more room in teh buffer than
1927 * srcPtr->length bytes. So we just set it to length. */
1928 dupPtr
->internalRep
.strValue
.maxLength
= srcPtr
->length
;
1931 int SetStringFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
1933 /* Get a fresh string representation. */
1934 (void) Jim_GetString(objPtr
, NULL
);
1935 /* Free any other internal representation. */
1936 Jim_FreeIntRep(interp
, objPtr
);
1937 /* Set it as string, i.e. just set the maxLength field. */
1938 objPtr
->typePtr
= &stringObjType
;
1939 objPtr
->internalRep
.strValue
.maxLength
= objPtr
->length
;
1943 Jim_Obj
*Jim_NewStringObj(Jim_Interp
*interp
, const char *s
, int len
)
1945 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
1949 /* Alloc/Set the string rep. */
1951 objPtr
->bytes
= JimEmptyStringRep
;
1954 objPtr
->bytes
= Jim_Alloc(len
+1);
1955 objPtr
->length
= len
;
1956 memcpy(objPtr
->bytes
, s
, len
);
1957 objPtr
->bytes
[len
] = '\0';
1960 /* No typePtr field for the vanilla string object. */
1961 objPtr
->typePtr
= NULL
;
1965 /* This version does not try to duplicate the 's' pointer, but
1966 * use it directly. */
1967 Jim_Obj
*Jim_NewStringObjNoAlloc(Jim_Interp
*interp
, char *s
, int len
)
1969 Jim_Obj
*objPtr
= Jim_NewObj(interp
);
1973 Jim_SetStringRep(objPtr
, s
, len
);
1974 objPtr
->typePtr
= NULL
;
1978 /* Low-level string append. Use it only against objects
1979 * of type "string". */
1980 void StringAppendString(Jim_Obj
*objPtr
, const char *str
, int len
)
1986 needlen
= objPtr
->length
+ len
;
1987 if (objPtr
->internalRep
.strValue
.maxLength
< needlen
||
1988 objPtr
->internalRep
.strValue
.maxLength
== 0) {
1989 if (objPtr
->bytes
== JimEmptyStringRep
) {
1990 objPtr
->bytes
= Jim_Alloc((needlen
*2)+1);
1992 objPtr
->bytes
= Jim_Realloc(objPtr
->bytes
, (needlen
*2)+1);
1994 objPtr
->internalRep
.strValue
.maxLength
= needlen
*2;
1996 memcpy(objPtr
->bytes
+ objPtr
->length
, str
, len
);
1997 objPtr
->bytes
[objPtr
->length
+len
] = '\0';
1998 objPtr
->length
+= len
;
2001 /* Low-level wrapper to append an object. */
2002 void StringAppendObj(Jim_Obj
*objPtr
, Jim_Obj
*appendObjPtr
)
2007 str
= Jim_GetString(appendObjPtr
, &len
);
2008 StringAppendString(objPtr
, str
, len
);
2011 /* Higher level API to append strings to objects. */
2012 void Jim_AppendString(Jim_Interp
*interp
, Jim_Obj
*objPtr
, const char *str
,
2015 if (Jim_IsShared(objPtr
))
2016 Jim_Panic(interp
,"Jim_AppendString called with shared object");
2017 if (objPtr
->typePtr
!= &stringObjType
)
2018 SetStringFromAny(interp
, objPtr
);
2019 StringAppendString(objPtr
, str
, len
);
2022 void Jim_AppendObj(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2023 Jim_Obj
*appendObjPtr
)
2028 str
= Jim_GetString(appendObjPtr
, &len
);
2029 Jim_AppendString(interp
, objPtr
, str
, len
);
2032 void Jim_AppendStrings(Jim_Interp
*interp
, Jim_Obj
*objPtr
, ...)
2036 if (objPtr
->typePtr
!= &stringObjType
)
2037 SetStringFromAny(interp
, objPtr
);
2038 va_start(ap
, objPtr
);
2040 char *s
= va_arg(ap
, char*);
2042 if (s
== NULL
) break;
2043 Jim_AppendString(interp
, objPtr
, s
, -1);
2048 int Jim_StringEqObj(Jim_Obj
*aObjPtr
, Jim_Obj
*bObjPtr
, int nocase
)
2050 const char *aStr
, *bStr
;
2053 if (aObjPtr
== bObjPtr
) return 1;
2054 aStr
= Jim_GetString(aObjPtr
, &aLen
);
2055 bStr
= Jim_GetString(bObjPtr
, &bLen
);
2056 if (aLen
!= bLen
) return 0;
2058 return memcmp(aStr
, bStr
, aLen
) == 0;
2059 for (i
= 0; i
< aLen
; i
++) {
2060 if (tolower((int)aStr
[i
]) != tolower((int)bStr
[i
]))
2066 int Jim_StringMatchObj(Jim_Obj
*patternObjPtr
, Jim_Obj
*objPtr
,
2069 const char *pattern
, *string
;
2070 int patternLen
, stringLen
;
2072 pattern
= Jim_GetString(patternObjPtr
, &patternLen
);
2073 string
= Jim_GetString(objPtr
, &stringLen
);
2074 return JimStringMatch(pattern
, patternLen
, string
, stringLen
, nocase
);
2077 int Jim_StringCompareObj(Jim_Obj
*firstObjPtr
,
2078 Jim_Obj
*secondObjPtr
, int nocase
)
2080 const char *s1
, *s2
;
2083 s1
= Jim_GetString(firstObjPtr
, &l1
);
2084 s2
= Jim_GetString(secondObjPtr
, &l2
);
2085 return JimStringCompare(s1
, l1
, s2
, l2
, nocase
);
2088 /* Convert a range, as returned by Jim_GetRange(), into
2089 * an absolute index into an object of the specified length.
2090 * This function may return negative values, or values
2091 * bigger or equal to the length of the list if the index
2092 * is out of range. */
2093 static int JimRelToAbsIndex(int len
, int index
)
2100 /* Convert a pair of index as normalize by JimRelToAbsIndex(),
2101 * into a range stored in *firstPtr, *lastPtr, *rangeLenPtr, suitable
2102 * for implementation of commands like [string range] and [lrange].
2104 * The resulting range is guaranteed to address valid elements of
2106 static void JimRelToAbsRange(int len
, int first
, int last
,
2107 int *firstPtr
, int *lastPtr
, int *rangeLenPtr
)
2114 rangeLen
= last
-first
+1;
2121 rangeLen
-= (last
-(len
-1));
2126 if (rangeLen
< 0) rangeLen
= 0;
2130 *rangeLenPtr
= rangeLen
;
2133 Jim_Obj
*Jim_StringRangeObj(Jim_Interp
*interp
,
2134 Jim_Obj
*strObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
2140 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
2141 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
2143 str
= Jim_GetString(strObjPtr
, &len
);
2144 first
= JimRelToAbsIndex(len
, first
);
2145 last
= JimRelToAbsIndex(len
, last
);
2146 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
2147 return Jim_NewStringObj(interp
, str
+first
, rangeLen
);
2150 static Jim_Obj
*JimStringToLower(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2152 char *buf
= Jim_Alloc(strObjPtr
->length
+1);
2155 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2156 for (i
= 0; i
< strObjPtr
->length
; i
++)
2157 buf
[i
] = tolower(buf
[i
]);
2158 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2161 static Jim_Obj
*JimStringToUpper(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
)
2163 char *buf
= Jim_Alloc(strObjPtr
->length
+1);
2166 memcpy(buf
, strObjPtr
->bytes
, strObjPtr
->length
+1);
2167 for (i
= 0; i
< strObjPtr
->length
; i
++)
2168 buf
[i
] = toupper(buf
[i
]);
2169 return Jim_NewStringObjNoAlloc(interp
, buf
, strObjPtr
->length
);
2172 /* This is the core of the [format] command.
2173 * TODO: Lots of things work - via a hack
2174 * However, no format item can be >= JIM_MAX_FMT
2176 #define JIM_MAX_FMT 2048
2177 static Jim_Obj
*Jim_FormatString_Inner(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2178 int objc
, Jim_Obj
*const *objv
, char *sprintf_buf
)
2180 const char *fmt
, *_fmt
;
2185 fmt
= Jim_GetString(fmtObjPtr
, &fmtLen
);
2187 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
2189 const char *p
= fmt
;
2193 /* we cheat and use Sprintf()! */
2207 while (*fmt
!= '%' && fmtLen
) {
2210 Jim_AppendString(interp
, resObjPtr
, p
, fmt
-p
);
2213 fmt
++; fmtLen
--; /* skip '%' */
2222 prec
= -1; /* not found yet */
2229 case 'b': /* binary - not all printfs() do this */
2230 case 's': /* string */
2231 case 'i': /* integer */
2232 case 'd': /* decimal */
2234 case 'X': /* CAP hex */
2235 case 'c': /* char */
2236 case 'o': /* octal */
2237 case 'u': /* unsigned */
2238 case 'f': /* float */
2242 case '0': /* zero pad */
2252 case ' ': /* sign space */
2282 while( isdigit(*fmt
) && (fmtLen
> 0) ){
2283 accum
= (accum
* 10) + (*fmt
- '0');
2294 /* suck up the next item as an integer */
2298 goto not_enough_args
;
2300 if( Jim_GetWide(interp
,objv
[0],&wideValue
)== JIM_ERR
){
2301 Jim_FreeNewObj(interp
, resObjPtr
);
2308 /* man 3 printf says */
2309 /* if prec is negative, it is zero */
2328 Jim_FreeNewObj(interp
, resObjPtr
);
2329 Jim_SetResultString(interp
,
2330 "not enough arguments for all format specifiers", -1);
2338 * Create the formatter
2339 * cause we cheat and use sprintf()
2349 /* PLUS overrides */
2359 sprintf( cp
, "%d", width
);
2363 /* did we find a period? */
2367 /* did something occur after the period? */
2369 sprintf( cp
, "%d", prec
);
2375 /* here we do the work */
2376 /* actually - we make sprintf() do it for us */
2381 /* BUG: we do not handled embeded NULLs */
2382 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, Jim_GetString( objv
[0], NULL
));
2387 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2388 Jim_FreeNewObj(interp
, resObjPtr
);
2391 c
= (char) wideValue
;
2392 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, c
);
2402 if( Jim_GetDouble( interp
, objv
[0], &doubleValue
) == JIM_ERR
){
2403 Jim_FreeNewObj( interp
, resObjPtr
);
2406 snprintf( sprintf_buf
, JIM_MAX_FMT
, fmt_str
, doubleValue
);
2414 /* jim widevaluse are 64bit */
2415 if( sizeof(jim_wide
) == sizeof(long long) ){
2423 if (Jim_GetWide(interp
, objv
[0], &wideValue
) == JIM_ERR
) {
2424 Jim_FreeNewObj(interp
, resObjPtr
);
2427 snprintf(sprintf_buf
, JIM_MAX_FMT
, fmt_str
, wideValue
);
2430 sprintf_buf
[0] = '%';
2432 objv
--; /* undo the objv++ below */
2435 spec
[0] = *fmt
; spec
[1] = '\0';
2436 Jim_FreeNewObj(interp
, resObjPtr
);
2437 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2438 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2439 "bad field specifier \"", spec
, "\"", NULL
);
2442 /* force terminate */
2444 printf("FMT was: %s\n", fmt_str
);
2445 printf("RES was: |%s|\n", sprintf_buf
);
2448 sprintf_buf
[ JIM_MAX_FMT
- 1] = 0;
2449 Jim_AppendString( interp
, resObjPtr
, sprintf_buf
, strlen(sprintf_buf
) );
2458 Jim_Obj
*Jim_FormatString(Jim_Interp
*interp
, Jim_Obj
*fmtObjPtr
,
2459 int objc
, Jim_Obj
*const *objv
)
2461 char *sprintf_buf
=malloc(JIM_MAX_FMT
);
2462 Jim_Obj
*t
=Jim_FormatString_Inner(interp
, fmtObjPtr
, objc
, objv
, sprintf_buf
);
2467 /* -----------------------------------------------------------------------------
2468 * Compared String Object
2469 * ---------------------------------------------------------------------------*/
2471 /* This is strange object that allows to compare a C literal string
2472 * with a Jim object in very short time if the same comparison is done
2473 * multiple times. For example every time the [if] command is executed,
2474 * Jim has to check if a given argument is "else". This comparions if
2475 * the code has no errors are true most of the times, so we can cache
2476 * inside the object the pointer of the string of the last matching
2477 * comparison. Because most C compilers perform literal sharing,
2478 * so that: char *x = "foo", char *y = "foo", will lead to x == y,
2479 * this works pretty well even if comparisons are at different places
2480 * inside the C code. */
2482 static Jim_ObjType comparedStringObjType
= {
2487 JIM_TYPE_REFERENCES
,
2490 /* The only way this object is exposed to the API is via the following
2491 * function. Returns true if the string and the object string repr.
2492 * are the same, otherwise zero is returned.
2494 * Note: this isn't binary safe, but it hardly needs to be.*/
2495 int Jim_CompareStringImmediate(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2498 if (objPtr
->typePtr
== &comparedStringObjType
&&
2499 objPtr
->internalRep
.ptr
== str
)
2502 const char *objStr
= Jim_GetString(objPtr
, NULL
);
2503 if (strcmp(str
, objStr
) != 0) return 0;
2504 if (objPtr
->typePtr
!= &comparedStringObjType
) {
2505 Jim_FreeIntRep(interp
, objPtr
);
2506 objPtr
->typePtr
= &comparedStringObjType
;
2508 objPtr
->internalRep
.ptr
= (char*)str
; /*ATTENTION: const cast */
2513 int qsortCompareStringPointers(const void *a
, const void *b
)
2515 char * const *sa
= (char * const *)a
;
2516 char * const *sb
= (char * const *)b
;
2517 return strcmp(*sa
, *sb
);
2520 int Jim_GetEnum(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2521 const char * const *tablePtr
, int *indexPtr
, const char *name
, int flags
)
2523 const char * const *entryPtr
= NULL
;
2524 char **tablePtrSorted
;
2528 for (entryPtr
= tablePtr
, i
= 0; *entryPtr
!= NULL
; entryPtr
++, i
++) {
2529 if (Jim_CompareStringImmediate(interp
, objPtr
, *entryPtr
)) {
2533 count
++; /* If nothing matches, this will reach the len of tablePtr */
2535 if (flags
& JIM_ERRMSG
) {
2538 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
2539 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
2540 "bad ", name
, " \"", Jim_GetString(objPtr
, NULL
), "\": must be one of ",
2542 tablePtrSorted
= Jim_Alloc(sizeof(char*)*count
);
2543 memcpy(tablePtrSorted
, tablePtr
, sizeof(char*)*count
);
2544 qsort(tablePtrSorted
, count
, sizeof(char*), qsortCompareStringPointers
);
2545 for (i
= 0; i
< count
; i
++) {
2546 if (i
+1 == count
&& count
> 1)
2547 Jim_AppendString(interp
, Jim_GetResult(interp
), "or ", -1);
2548 Jim_AppendString(interp
, Jim_GetResult(interp
),
2549 tablePtrSorted
[i
], -1);
2551 Jim_AppendString(interp
, Jim_GetResult(interp
), ", ", -1);
2553 Jim_Free(tablePtrSorted
);
2558 int Jim_GetNvp(Jim_Interp
*interp
,
2560 const Jim_Nvp
*nvp_table
,
2561 const Jim_Nvp
** result
)
2566 e
= Jim_Nvp_name2value_obj( interp
, nvp_table
, objPtr
, &n
);
2571 /* Success? found? */
2574 *result
= (Jim_Nvp
*)n
;
2581 /* -----------------------------------------------------------------------------
2584 * This object is just a string from the language point of view, but
2585 * in the internal representation it contains the filename and line number
2586 * where this given token was read. This information is used by
2587 * Jim_EvalObj() if the object passed happens to be of type "source".
2589 * This allows to propagate the information about line numbers and file
2590 * names and give error messages with absolute line numbers.
2592 * Note that this object uses shared strings for filenames, and the
2593 * pointer to the filename together with the line number is taken into
2594 * the space for the "inline" internal represenation of the Jim_Object,
2595 * so there is almost memory zero-overhead.
2597 * Also the object will be converted to something else if the given
2598 * token it represents in the source file is not something to be
2599 * evaluated (not a script), and will be specialized in some other way,
2600 * so the time overhead is alzo null.
2601 * ---------------------------------------------------------------------------*/
2603 static void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2604 static void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2606 static Jim_ObjType sourceObjType
= {
2608 FreeSourceInternalRep
,
2609 DupSourceInternalRep
,
2611 JIM_TYPE_REFERENCES
,
2614 void FreeSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2616 Jim_ReleaseSharedString(interp
,
2617 objPtr
->internalRep
.sourceValue
.fileName
);
2620 void DupSourceInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2622 dupPtr
->internalRep
.sourceValue
.fileName
=
2623 Jim_GetSharedString(interp
,
2624 srcPtr
->internalRep
.sourceValue
.fileName
);
2625 dupPtr
->internalRep
.sourceValue
.lineNumber
=
2626 dupPtr
->internalRep
.sourceValue
.lineNumber
;
2627 dupPtr
->typePtr
= &sourceObjType
;
2630 static void JimSetSourceInfo(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
2631 const char *fileName
, int lineNumber
)
2633 if (Jim_IsShared(objPtr
))
2634 Jim_Panic(interp
,"JimSetSourceInfo called with shared object");
2635 if (objPtr
->typePtr
!= NULL
)
2636 Jim_Panic(interp
,"JimSetSourceInfo called with typePtr != NULL");
2637 objPtr
->internalRep
.sourceValue
.fileName
=
2638 Jim_GetSharedString(interp
, fileName
);
2639 objPtr
->internalRep
.sourceValue
.lineNumber
= lineNumber
;
2640 objPtr
->typePtr
= &sourceObjType
;
2643 /* -----------------------------------------------------------------------------
2645 * ---------------------------------------------------------------------------*/
2647 #define JIM_CMDSTRUCT_EXPAND -1
2649 static void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
2650 static void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
2651 static int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
2653 static Jim_ObjType scriptObjType
= {
2655 FreeScriptInternalRep
,
2656 DupScriptInternalRep
,
2658 JIM_TYPE_REFERENCES
,
2661 /* The ScriptToken structure represents every token into a scriptObj.
2662 * Every token contains an associated Jim_Obj that can be specialized
2663 * by commands operating on it. */
2664 typedef struct ScriptToken
{
2670 /* This is the script object internal representation. An array of
2671 * ScriptToken structures, with an associated command structure array.
2672 * The command structure is a pre-computed representation of the
2673 * command length and arguments structure as a simple liner array
2676 * For example the script:
2679 * set $i $x$y [foo]BAR
2681 * will produce a ScriptObj with the following Tokens:
2698 * This is a description of the tokens, separators, and of lines.
2699 * The command structure instead represents the number of arguments
2700 * of every command, followed by the tokens of which every argument
2701 * is composed. So for the example script, the cmdstruct array will
2706 * Because "puts hello" has two args (2), composed of single tokens (1 1)
2707 * While "set $i $x$y [foo]BAR" has four (4) args, the first two
2708 * composed of single tokens (1 1) and the last two of double tokens
2711 * The precomputation of the command structure makes Jim_Eval() faster,
2712 * and simpler because there aren't dynamic lengths / allocations.
2714 * -- {expand} handling --
2716 * Expand is handled in a special way. When a command
2717 * contains at least an argument with the {expand} prefix,
2718 * the command structure presents a -1 before the integer
2719 * describing the number of arguments. This is used in order
2720 * to send the command exection to a different path in case
2721 * of {expand} and guarantee a fast path for the more common
2722 * case. Also, the integers describing the number of tokens
2723 * are expressed with negative sign, to allow for fast check
2724 * of what's an {expand}-prefixed argument and what not.
2726 * For example the command:
2728 * list {expand}{1 2}
2730 * Will produce the following cmdstruct array:
2734 * -- the substFlags field of the structure --
2736 * The scriptObj structure is used to represent both "script" objects
2737 * and "subst" objects. In the second case, the cmdStruct related
2738 * fields are not used at all, but there is an additional field used
2739 * that is 'substFlags': this represents the flags used to turn
2740 * the string into the intenral representation used to perform the
2741 * substitution. If this flags are not what the application requires
2742 * the scriptObj is created again. For example the script:
2744 * subst -nocommands $string
2745 * subst -novariables $string
2747 * Will recreate the internal representation of the $string object
2750 typedef struct ScriptObj
{
2751 int len
; /* Length as number of tokens. */
2752 int commands
; /* number of top-level commands in script. */
2753 ScriptToken
*token
; /* Tokens array. */
2754 int *cmdStruct
; /* commands structure */
2755 int csLen
; /* length of the cmdStruct array. */
2756 int substFlags
; /* flags used for the compilation of "subst" objects */
2757 int inUse
; /* Used to share a ScriptObj. Currently
2758 only used by Jim_EvalObj() as protection against
2759 shimmering of the currently evaluated object. */
2763 void FreeScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
2766 struct ScriptObj
*script
= (void*) objPtr
->internalRep
.ptr
;
2769 if (script
->inUse
!= 0) return;
2770 for (i
= 0; i
< script
->len
; i
++) {
2771 if (script
->token
[i
].objPtr
!= NULL
)
2772 Jim_DecrRefCount(interp
, script
->token
[i
].objPtr
);
2774 Jim_Free(script
->token
);
2775 Jim_Free(script
->cmdStruct
);
2776 Jim_Free(script
->fileName
);
2780 void DupScriptInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
2782 JIM_NOTUSED(interp
);
2783 JIM_NOTUSED(srcPtr
);
2785 /* Just returns an simple string. */
2786 dupPtr
->typePtr
= NULL
;
2789 /* Add a new token to the internal repr of a script object */
2790 static void ScriptObjAddToken(Jim_Interp
*interp
, struct ScriptObj
*script
,
2791 char *strtoken
, int len
, int type
, char *filename
, int linenr
)
2794 struct ScriptToken
*token
;
2796 prevtype
= (script
->len
== 0) ? JIM_TT_EOL
: \
2797 script
->token
[script
->len
-1].type
;
2798 /* Skip tokens without meaning, like words separators
2799 * following a word separator or an end of command and
2801 if (prevtype
== JIM_TT_EOL
) {
2802 if (type
== JIM_TT_EOL
|| type
== JIM_TT_SEP
) {
2806 } else if (prevtype
== JIM_TT_SEP
) {
2807 if (type
== JIM_TT_SEP
) {
2810 } else if (type
== JIM_TT_EOL
) {
2811 /* If an EOL is following by a SEP, drop the previous
2814 Jim_DecrRefCount(interp
, script
->token
[script
->len
].objPtr
);
2816 } else if (prevtype
!= JIM_TT_EOL
&& prevtype
!= JIM_TT_SEP
&&
2817 type
== JIM_TT_ESC
&& len
== 0)
2819 /* Don't add empty tokens used in interpolation */
2823 /* Make space for a new istruction */
2825 script
->token
= Jim_Realloc(script
->token
,
2826 sizeof(ScriptToken
)*script
->len
);
2827 /* Initialize the new token */
2828 token
= script
->token
+(script
->len
-1);
2830 /* Every object is intially as a string, but the
2831 * internal type may be specialized during execution of the
2833 token
->objPtr
= Jim_NewStringObjNoAlloc(interp
, strtoken
, len
);
2834 /* To add source info to SEP and EOL tokens is useless because
2835 * they will never by called as arguments of Jim_EvalObj(). */
2836 if (filename
&& type
!= JIM_TT_SEP
&& type
!= JIM_TT_EOL
)
2837 JimSetSourceInfo(interp
, token
->objPtr
, filename
, linenr
);
2838 Jim_IncrRefCount(token
->objPtr
);
2839 token
->linenr
= linenr
;
2842 /* Add an integer into the command structure field of the script object. */
2843 static void ScriptObjAddInt(struct ScriptObj
*script
, int val
)
2846 script
->cmdStruct
= Jim_Realloc(script
->cmdStruct
,
2847 sizeof(int)*script
->csLen
);
2848 script
->cmdStruct
[script
->csLen
-1] = val
;
2851 /* Search a Jim_Obj contained in 'script' with the same stinrg repr.
2852 * of objPtr. Search nested script objects recursively. */
2853 static Jim_Obj
*ScriptSearchLiteral(Jim_Interp
*interp
, ScriptObj
*script
,
2854 ScriptObj
*scriptBarrier
, Jim_Obj
*objPtr
)
2858 for (i
= 0; i
< script
->len
; i
++) {
2859 if (script
->token
[i
].objPtr
!= objPtr
&&
2860 Jim_StringEqObj(script
->token
[i
].objPtr
, objPtr
, 0)) {
2861 return script
->token
[i
].objPtr
;
2863 /* Enter recursively on scripts only if the object
2864 * is not the same as the one we are searching for
2865 * shared occurrences. */
2866 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
&&
2867 script
->token
[i
].objPtr
!= objPtr
) {
2868 Jim_Obj
*foundObjPtr
;
2870 ScriptObj
*subScript
=
2871 script
->token
[i
].objPtr
->internalRep
.ptr
;
2872 /* Don't recursively enter the script we are trying
2873 * to make shared to avoid circular references. */
2874 if (subScript
== scriptBarrier
) continue;
2875 if (subScript
!= script
) {
2877 ScriptSearchLiteral(interp
, subScript
,
2878 scriptBarrier
, objPtr
);
2879 if (foundObjPtr
!= NULL
)
2887 /* Share literals of a script recursively sharing sub-scripts literals. */
2888 static void ScriptShareLiterals(Jim_Interp
*interp
, ScriptObj
*script
,
2889 ScriptObj
*topLevelScript
)
2894 /* Try to share with toplevel object. */
2895 if (topLevelScript
!= NULL
) {
2896 for (i
= 0; i
< script
->len
; i
++) {
2897 Jim_Obj
*foundObjPtr
;
2898 char *str
= script
->token
[i
].objPtr
->bytes
;
2900 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2901 if (script
->token
[i
].objPtr
->typePtr
== &scriptObjType
) continue;
2902 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2903 foundObjPtr
= ScriptSearchLiteral(interp
,
2905 script
, /* barrier */
2906 script
->token
[i
].objPtr
);
2907 if (foundObjPtr
!= NULL
) {
2908 Jim_IncrRefCount(foundObjPtr
);
2909 Jim_DecrRefCount(interp
,
2910 script
->token
[i
].objPtr
);
2911 script
->token
[i
].objPtr
= foundObjPtr
;
2915 /* Try to share locally */
2916 for (i
= 0; i
< script
->len
; i
++) {
2917 char *str
= script
->token
[i
].objPtr
->bytes
;
2919 if (script
->token
[i
].objPtr
->refCount
!= 1) continue;
2920 if (strchr(str
, ' ') || strchr(str
, '\n')) continue;
2921 for (j
= 0; j
< script
->len
; j
++) {
2922 if (script
->token
[i
].objPtr
!=
2923 script
->token
[j
].objPtr
&&
2924 Jim_StringEqObj(script
->token
[i
].objPtr
,
2925 script
->token
[j
].objPtr
, 0))
2927 Jim_IncrRefCount(script
->token
[j
].objPtr
);
2928 Jim_DecrRefCount(interp
,
2929 script
->token
[i
].objPtr
);
2930 script
->token
[i
].objPtr
=
2931 script
->token
[j
].objPtr
;
2937 /* This method takes the string representation of an object
2938 * as a Tcl script, and generates the pre-parsed internal representation
2940 int SetScriptFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
2943 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
2944 struct JimParserCtx parser
;
2945 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
2947 int args
, tokens
, start
, end
, i
;
2948 int initialLineNumber
;
2949 int propagateSourceInfo
= 0;
2953 script
->commands
= 0;
2954 script
->token
= NULL
;
2955 script
->cmdStruct
= NULL
;
2957 /* Try to get information about filename / line number */
2958 if (objPtr
->typePtr
== &sourceObjType
) {
2960 Jim_StrDup(objPtr
->internalRep
.sourceValue
.fileName
);
2961 initialLineNumber
= objPtr
->internalRep
.sourceValue
.lineNumber
;
2962 propagateSourceInfo
= 1;
2964 script
->fileName
= Jim_StrDup("?");
2965 initialLineNumber
= 1;
2968 JimParserInit(&parser
, scriptText
, scriptTextLen
, initialLineNumber
);
2969 while(!JimParserEof(&parser
)) {
2971 int len
, type
, linenr
;
2973 JimParseScript(&parser
);
2974 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
2975 ScriptObjAddToken(interp
, script
, token
, len
, type
,
2976 propagateSourceInfo
? script
->fileName
: NULL
,
2979 token
= script
->token
;
2981 /* Compute the command structure array
2982 * (see the ScriptObj struct definition for more info) */
2983 start
= 0; /* Current command start token index */
2984 end
= -1; /* Current command end token index */
2986 int expand
= 0; /* expand flag. set to 1 on {expand} form. */
2987 int interpolation
= 0; /* set to 1 if there is at least one
2988 argument of the command obtained via
2989 interpolation of more tokens. */
2990 /* Search for the end of command, while
2991 * count the number of args. */
2993 if (start
>= script
->len
) break;
2994 args
= 1; /* Number of args in current command */
2995 while (token
[end
].type
!= JIM_TT_EOL
) {
2996 if (end
== 0 || token
[end
-1].type
== JIM_TT_SEP
||
2997 token
[end
-1].type
== JIM_TT_EOL
)
2999 if (token
[end
].type
== JIM_TT_STR
&&
3000 token
[end
+1].type
!= JIM_TT_SEP
&&
3001 token
[end
+1].type
!= JIM_TT_EOL
&&
3002 (!strcmp(token
[end
].objPtr
->bytes
, "expand") ||
3003 !strcmp(token
[end
].objPtr
->bytes
, "*")))
3006 if (token
[end
].type
== JIM_TT_SEP
)
3010 interpolation
= !((end
-start
+1) == args
*2);
3011 /* Add the 'number of arguments' info into cmdstruct.
3012 * Negative value if there is list expansion involved. */
3014 ScriptObjAddInt(script
, -1);
3015 ScriptObjAddInt(script
, args
);
3016 /* Now add info about the number of tokens. */
3017 tokens
= 0; /* Number of tokens in current argument. */
3019 for (i
= start
; i
<= end
; i
++) {
3020 if (token
[i
].type
== JIM_TT_SEP
||
3021 token
[i
].type
== JIM_TT_EOL
)
3023 if (tokens
== 1 && expand
)
3025 ScriptObjAddInt(script
,
3026 expand
? -tokens
: tokens
);
3031 } else if (tokens
== 0 && token
[i
].type
== JIM_TT_STR
&&
3032 (!strcmp(token
[i
].objPtr
->bytes
, "expand") ||
3033 !strcmp(token
[i
].objPtr
->bytes
, "*")))
3040 /* Perform literal sharing, but only for objects that appear
3041 * to be scripts written as literals inside the source code,
3042 * and not computed at runtime. Literal sharing is a costly
3043 * operation that should be done only against objects that
3044 * are likely to require compilation only the first time, and
3045 * then are executed multiple times. */
3046 if (propagateSourceInfo
&& interp
->framePtr
->procBodyObjPtr
) {
3047 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
3048 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
3049 ScriptObj
*bodyScript
=
3050 bodyObjPtr
->internalRep
.ptr
;
3051 ScriptShareLiterals(interp
, script
, bodyScript
);
3053 } else if (propagateSourceInfo
) {
3054 ScriptShareLiterals(interp
, script
, NULL
);
3056 /* Free the old internal rep and set the new one. */
3057 Jim_FreeIntRep(interp
, objPtr
);
3058 Jim_SetIntRepPtr(objPtr
, script
);
3059 objPtr
->typePtr
= &scriptObjType
;
3063 ScriptObj
*Jim_GetScript(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3065 if (objPtr
->typePtr
!= &scriptObjType
) {
3066 SetScriptFromAny(interp
, objPtr
);
3068 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
3071 /* -----------------------------------------------------------------------------
3073 * ---------------------------------------------------------------------------*/
3075 /* Commands HashTable Type.
3077 * Keys are dynamic allocated strings, Values are Jim_Cmd structures. */
3078 static void Jim_CommandsHT_ValDestructor(void *interp
, void *val
)
3080 Jim_Cmd
*cmdPtr
= (void*) val
;
3082 if (cmdPtr
->cmdProc
== NULL
) {
3083 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3084 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3085 if (cmdPtr
->staticVars
) {
3086 Jim_FreeHashTable(cmdPtr
->staticVars
);
3087 Jim_Free(cmdPtr
->staticVars
);
3089 } else if (cmdPtr
->delProc
!= NULL
) {
3090 /* If it was a C coded command, call the delProc if any */
3091 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3096 static Jim_HashTableType JimCommandsHashTableType
= {
3097 JimStringCopyHTHashFunction
, /* hash function */
3098 JimStringCopyHTKeyDup
, /* key dup */
3100 JimStringCopyHTKeyCompare
, /* key compare */
3101 JimStringCopyHTKeyDestructor
, /* key destructor */
3102 Jim_CommandsHT_ValDestructor
/* val destructor */
3105 /* ------------------------- Commands related functions --------------------- */
3107 int Jim_CreateCommand(Jim_Interp
*interp
, const char *cmdName
,
3108 Jim_CmdProc cmdProc
, void *privData
, Jim_DelCmdProc delProc
)
3113 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3114 if (he
== NULL
) { /* New command to create */
3115 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3116 cmdPtr
->cmdProc
= cmdProc
;
3117 cmdPtr
->privData
= privData
;
3118 cmdPtr
->delProc
= delProc
;
3119 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3121 Jim_InterpIncrProcEpoch(interp
);
3122 /* Free the arglist/body objects if it was a Tcl procedure */
3124 if (cmdPtr
->cmdProc
== NULL
) {
3125 Jim_DecrRefCount(interp
, cmdPtr
->argListObjPtr
);
3126 Jim_DecrRefCount(interp
, cmdPtr
->bodyObjPtr
);
3127 if (cmdPtr
->staticVars
) {
3128 Jim_FreeHashTable(cmdPtr
->staticVars
);
3129 Jim_Free(cmdPtr
->staticVars
);
3131 cmdPtr
->staticVars
= NULL
;
3132 } else if (cmdPtr
->delProc
!= NULL
) {
3133 /* If it was a C coded command, call the delProc if any */
3134 cmdPtr
->delProc(interp
, cmdPtr
->privData
);
3136 cmdPtr
->cmdProc
= cmdProc
;
3137 cmdPtr
->privData
= privData
;
3139 /* There is no need to increment the 'proc epoch' because
3140 * creation of a new procedure can never affect existing
3141 * cached commands. We don't do negative caching. */
3145 int Jim_CreateProcedure(Jim_Interp
*interp
, const char *cmdName
,
3146 Jim_Obj
*argListObjPtr
, Jim_Obj
*staticsListObjPtr
, Jim_Obj
*bodyObjPtr
,
3147 int arityMin
, int arityMax
)
3151 cmdPtr
= Jim_Alloc(sizeof(*cmdPtr
));
3152 cmdPtr
->cmdProc
= NULL
; /* Not a C coded command */
3153 cmdPtr
->argListObjPtr
= argListObjPtr
;
3154 cmdPtr
->bodyObjPtr
= bodyObjPtr
;
3155 Jim_IncrRefCount(argListObjPtr
);
3156 Jim_IncrRefCount(bodyObjPtr
);
3157 cmdPtr
->arityMin
= arityMin
;
3158 cmdPtr
->arityMax
= arityMax
;
3159 cmdPtr
->staticVars
= NULL
;
3161 /* Create the statics hash table. */
3162 if (staticsListObjPtr
) {
3165 Jim_ListLength(interp
, staticsListObjPtr
, &len
);
3167 cmdPtr
->staticVars
= Jim_Alloc(sizeof(Jim_HashTable
));
3168 Jim_InitHashTable(cmdPtr
->staticVars
, &JimVariablesHashTableType
,
3170 for (i
= 0; i
< len
; i
++) {
3171 Jim_Obj
*objPtr
, *initObjPtr
, *nameObjPtr
;
3175 Jim_ListIndex(interp
, staticsListObjPtr
, i
, &objPtr
, JIM_NONE
);
3176 /* Check if it's composed of two elements. */
3177 Jim_ListLength(interp
, objPtr
, &subLen
);
3178 if (subLen
== 1 || subLen
== 2) {
3179 /* Try to get the variable value from the current
3181 Jim_ListIndex(interp
, objPtr
, 0, &nameObjPtr
, JIM_NONE
);
3183 initObjPtr
= Jim_GetVariable(interp
, nameObjPtr
,
3185 if (initObjPtr
== NULL
) {
3186 Jim_SetResult(interp
,
3187 Jim_NewEmptyStringObj(interp
));
3188 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3189 "variable for initialization of static \"",
3190 Jim_GetString(nameObjPtr
, NULL
),
3191 "\" not found in the local context",
3196 Jim_ListIndex(interp
, objPtr
, 1, &initObjPtr
, JIM_NONE
);
3198 varPtr
= Jim_Alloc(sizeof(*varPtr
));
3199 varPtr
->objPtr
= initObjPtr
;
3200 Jim_IncrRefCount(initObjPtr
);
3201 varPtr
->linkFramePtr
= NULL
;
3202 if (Jim_AddHashEntry(cmdPtr
->staticVars
,
3203 Jim_GetString(nameObjPtr
, NULL
),
3206 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3207 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3208 "static variable name \"",
3209 Jim_GetString(objPtr
, NULL
), "\"",
3210 " duplicated in statics list", NULL
);
3211 Jim_DecrRefCount(interp
, initObjPtr
);
3216 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3217 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3218 "too many fields in static specifier \"",
3219 objPtr
, "\"", NULL
);
3226 /* Add the new command */
3228 /* it may already exist, so we try to delete the old one */
3229 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) != JIM_ERR
) {
3230 /* There was an old procedure with the same name, this requires
3231 * a 'proc epoch' update. */
3232 Jim_InterpIncrProcEpoch(interp
);
3234 /* If a procedure with the same name didn't existed there is no need
3235 * to increment the 'proc epoch' because creation of a new procedure
3236 * can never affect existing cached commands. We don't do
3237 * negative caching. */
3238 Jim_AddHashEntry(&interp
->commands
, cmdName
, cmdPtr
);
3242 Jim_FreeHashTable(cmdPtr
->staticVars
);
3243 Jim_Free(cmdPtr
->staticVars
);
3244 Jim_DecrRefCount(interp
, argListObjPtr
);
3245 Jim_DecrRefCount(interp
, bodyObjPtr
);
3250 int Jim_DeleteCommand(Jim_Interp
*interp
, const char *cmdName
)
3252 if (Jim_DeleteHashEntry(&interp
->commands
, cmdName
) == JIM_ERR
)
3254 Jim_InterpIncrProcEpoch(interp
);
3258 int Jim_RenameCommand(Jim_Interp
*interp
, const char *oldName
,
3259 const char *newName
)
3263 Jim_Cmd
*copyCmdPtr
;
3265 if (newName
[0] == '\0') /* Delete! */
3266 return Jim_DeleteCommand(interp
, oldName
);
3268 he
= Jim_FindHashEntry(&interp
->commands
, oldName
);
3270 return JIM_ERR
; /* Invalid command name */
3272 copyCmdPtr
= Jim_Alloc(sizeof(Jim_Cmd
));
3273 *copyCmdPtr
= *cmdPtr
;
3274 /* In order to avoid that a procedure will get arglist/body/statics
3275 * freed by the hash table methods, fake a C-coded command
3276 * setting cmdPtr->cmdProc as not NULL */
3277 cmdPtr
->cmdProc
= (void*)1;
3278 /* Also make sure delProc is NULL. */
3279 cmdPtr
->delProc
= NULL
;
3280 /* Destroy the old command, and make sure the new is freed
3282 Jim_DeleteHashEntry(&interp
->commands
, oldName
);
3283 Jim_DeleteHashEntry(&interp
->commands
, newName
);
3284 /* Now the new command. We are sure it can't fail because
3285 * the target name was already freed. */
3286 Jim_AddHashEntry(&interp
->commands
, newName
, copyCmdPtr
);
3287 /* Increment the epoch */
3288 Jim_InterpIncrProcEpoch(interp
);
3292 /* -----------------------------------------------------------------------------
3294 * ---------------------------------------------------------------------------*/
3296 static int SetCommandFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3298 static Jim_ObjType commandObjType
= {
3303 JIM_TYPE_REFERENCES
,
3306 int SetCommandFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3309 const char *cmdName
;
3311 /* Get the string representation */
3312 cmdName
= Jim_GetString(objPtr
, NULL
);
3313 /* Lookup this name into the commands hash table */
3314 he
= Jim_FindHashEntry(&interp
->commands
, cmdName
);
3318 /* Free the old internal repr and set the new one. */
3319 Jim_FreeIntRep(interp
, objPtr
);
3320 objPtr
->typePtr
= &commandObjType
;
3321 objPtr
->internalRep
.cmdValue
.procEpoch
= interp
->procEpoch
;
3322 objPtr
->internalRep
.cmdValue
.cmdPtr
= (void*)he
->val
;
3326 /* This function returns the command structure for the command name
3327 * stored in objPtr. It tries to specialize the objPtr to contain
3328 * a cached info instead to perform the lookup into the hash table
3329 * every time. The information cached may not be uptodate, in such
3330 * a case the lookup is performed and the cache updated. */
3331 Jim_Cmd
*Jim_GetCommand(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
3333 if ((objPtr
->typePtr
!= &commandObjType
||
3334 objPtr
->internalRep
.cmdValue
.procEpoch
!= interp
->procEpoch
) &&
3335 SetCommandFromAny(interp
, objPtr
) == JIM_ERR
) {
3336 if (flags
& JIM_ERRMSG
) {
3337 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3338 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3339 "invalid command name \"", objPtr
->bytes
, "\"",
3344 return objPtr
->internalRep
.cmdValue
.cmdPtr
;
3347 /* -----------------------------------------------------------------------------
3349 * ---------------------------------------------------------------------------*/
3351 /* Variables HashTable Type.
3353 * Keys are dynamic allocated strings, Values are Jim_Var structures. */
3354 static void JimVariablesHTValDestructor(void *interp
, void *val
)
3356 Jim_Var
*varPtr
= (void*) val
;
3358 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3362 static Jim_HashTableType JimVariablesHashTableType
= {
3363 JimStringCopyHTHashFunction
, /* hash function */
3364 JimStringCopyHTKeyDup
, /* key dup */
3366 JimStringCopyHTKeyCompare
, /* key compare */
3367 JimStringCopyHTKeyDestructor
, /* key destructor */
3368 JimVariablesHTValDestructor
/* val destructor */
3371 /* -----------------------------------------------------------------------------
3373 * ---------------------------------------------------------------------------*/
3375 #define JIM_DICT_SUGAR 100 /* Only returned by SetVariableFromAny() */
3377 static int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
3379 static Jim_ObjType variableObjType
= {
3384 JIM_TYPE_REFERENCES
,
3387 /* Return true if the string "str" looks like syntax sugar for [dict]. I.e.
3388 * is in the form "varname(key)". */
3389 static int Jim_NameIsDictSugar(const char *str
, int len
)
3393 if (len
&& str
[len
-1] == ')' && strchr(str
, '(') != NULL
)
3398 /* This method should be called only by the variable API.
3399 * It returns JIM_OK on success (variable already exists),
3400 * JIM_ERR if it does not exists, JIM_DICT_GLUE if it's not
3401 * a variable name, but syntax glue for [dict] i.e. the last
3402 * character is ')' */
3403 int SetVariableFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
3406 const char *varName
;
3409 /* Check if the object is already an uptodate variable */
3410 if (objPtr
->typePtr
== &variableObjType
&&
3411 objPtr
->internalRep
.varValue
.callFrameId
== interp
->framePtr
->id
)
3412 return JIM_OK
; /* nothing to do */
3413 /* Get the string representation */
3414 varName
= Jim_GetString(objPtr
, &len
);
3415 /* Make sure it's not syntax glue to get/set dict. */
3416 if (Jim_NameIsDictSugar(varName
, len
))
3417 return JIM_DICT_SUGAR
;
3418 /* Lookup this name into the variables hash table */
3419 he
= Jim_FindHashEntry(&interp
->framePtr
->vars
, varName
);
3421 /* Try with static vars. */
3422 if (interp
->framePtr
->staticVars
== NULL
)
3424 if (!(he
= Jim_FindHashEntry(interp
->framePtr
->staticVars
, varName
)))
3427 /* Free the old internal repr and set the new one. */
3428 Jim_FreeIntRep(interp
, objPtr
);
3429 objPtr
->typePtr
= &variableObjType
;
3430 objPtr
->internalRep
.varValue
.callFrameId
= interp
->framePtr
->id
;
3431 objPtr
->internalRep
.varValue
.varPtr
= (void*)he
->val
;
3435 /* -------------------- Variables related functions ------------------------- */
3436 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
,
3437 Jim_Obj
*valObjPtr
);
3438 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*ObjPtr
);
3440 /* For now that's dummy. Variables lookup should be optimized
3441 * in many ways, with caching of lookups, and possibly with
3442 * a table of pre-allocated vars in every CallFrame for local vars.
3443 * All the caching should also have an 'epoch' mechanism similar
3444 * to the one used by Tcl for procedures lookup caching. */
3446 int Jim_SetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, Jim_Obj
*valObjPtr
)
3452 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3453 /* Check for [dict] syntax sugar. */
3454 if (err
== JIM_DICT_SUGAR
)
3455 return JimDictSugarSet(interp
, nameObjPtr
, valObjPtr
);
3456 /* New variable to create */
3457 name
= Jim_GetString(nameObjPtr
, NULL
);
3459 var
= Jim_Alloc(sizeof(*var
));
3460 var
->objPtr
= valObjPtr
;
3461 Jim_IncrRefCount(valObjPtr
);
3462 var
->linkFramePtr
= NULL
;
3463 /* Insert the new variable */
3464 Jim_AddHashEntry(&interp
->framePtr
->vars
, name
, var
);
3465 /* Make the object int rep a variable */
3466 Jim_FreeIntRep(interp
, nameObjPtr
);
3467 nameObjPtr
->typePtr
= &variableObjType
;
3468 nameObjPtr
->internalRep
.varValue
.callFrameId
=
3469 interp
->framePtr
->id
;
3470 nameObjPtr
->internalRep
.varValue
.varPtr
= var
;
3472 var
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3473 if (var
->linkFramePtr
== NULL
) {
3474 Jim_IncrRefCount(valObjPtr
);
3475 Jim_DecrRefCount(interp
, var
->objPtr
);
3476 var
->objPtr
= valObjPtr
;
3477 } else { /* Else handle the link */
3478 Jim_CallFrame
*savedCallFrame
;
3480 savedCallFrame
= interp
->framePtr
;
3481 interp
->framePtr
= var
->linkFramePtr
;
3482 err
= Jim_SetVariable(interp
, var
->objPtr
, valObjPtr
);
3483 interp
->framePtr
= savedCallFrame
;
3491 int Jim_SetVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3493 Jim_Obj
*nameObjPtr
;
3496 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3497 Jim_IncrRefCount(nameObjPtr
);
3498 result
= Jim_SetVariable(interp
, nameObjPtr
, objPtr
);
3499 Jim_DecrRefCount(interp
, nameObjPtr
);
3503 int Jim_SetGlobalVariableStr(Jim_Interp
*interp
, const char *name
, Jim_Obj
*objPtr
)
3505 Jim_CallFrame
*savedFramePtr
;
3508 savedFramePtr
= interp
->framePtr
;
3509 interp
->framePtr
= interp
->topFramePtr
;
3510 result
= Jim_SetVariableStr(interp
, name
, objPtr
);
3511 interp
->framePtr
= savedFramePtr
;
3515 int Jim_SetVariableStrWithStr(Jim_Interp
*interp
, const char *name
, const char *val
)
3517 Jim_Obj
*nameObjPtr
, *valObjPtr
;
3520 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3521 valObjPtr
= Jim_NewStringObj(interp
, val
, -1);
3522 Jim_IncrRefCount(nameObjPtr
);
3523 Jim_IncrRefCount(valObjPtr
);
3524 result
= Jim_SetVariable(interp
, nameObjPtr
, valObjPtr
);
3525 Jim_DecrRefCount(interp
, nameObjPtr
);
3526 Jim_DecrRefCount(interp
, valObjPtr
);
3530 int Jim_SetVariableLink(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3531 Jim_Obj
*targetNameObjPtr
, Jim_CallFrame
*targetCallFrame
)
3533 const char *varName
;
3536 /* Check for cycles. */
3537 if (interp
->framePtr
== targetCallFrame
) {
3538 Jim_Obj
*objPtr
= targetNameObjPtr
;
3540 /* Cycles are only possible with 'uplevel 0' */
3542 if (Jim_StringEqObj(objPtr
, nameObjPtr
, 0)) {
3543 Jim_SetResultString(interp
,
3544 "can't upvar from variable to itself", -1);
3547 if (SetVariableFromAny(interp
, objPtr
) != JIM_OK
)
3549 varPtr
= objPtr
->internalRep
.varValue
.varPtr
;
3550 if (varPtr
->linkFramePtr
!= targetCallFrame
) break;
3551 objPtr
= varPtr
->objPtr
;
3554 varName
= Jim_GetString(nameObjPtr
, &len
);
3555 if (Jim_NameIsDictSugar(varName
, len
)) {
3556 Jim_SetResultString(interp
,
3557 "Dict key syntax invalid as link source", -1);
3560 /* Perform the binding */
3561 Jim_SetVariable(interp
, nameObjPtr
, targetNameObjPtr
);
3562 /* We are now sure 'nameObjPtr' type is variableObjType */
3563 nameObjPtr
->internalRep
.varValue
.varPtr
->linkFramePtr
= targetCallFrame
;
3567 /* Return the Jim_Obj pointer associated with a variable name,
3568 * or NULL if the variable was not found in the current context.
3569 * The same optimization discussed in the comment to the
3570 * 'SetVariable' function should apply here. */
3571 Jim_Obj
*Jim_GetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3575 /* All the rest is handled here */
3576 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3577 /* Check for [dict] syntax sugar. */
3578 if (err
== JIM_DICT_SUGAR
)
3579 return JimDictSugarGet(interp
, nameObjPtr
);
3580 if (flags
& JIM_ERRMSG
) {
3581 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3582 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3583 "can't read \"", nameObjPtr
->bytes
,
3584 "\": no such variable", NULL
);
3590 Jim_CallFrame
*savedCallFrame
;
3592 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3593 if (varPtr
->linkFramePtr
== NULL
)
3594 return varPtr
->objPtr
;
3595 /* The variable is a link? Resolve it. */
3596 savedCallFrame
= interp
->framePtr
;
3597 interp
->framePtr
= varPtr
->linkFramePtr
;
3598 objPtr
= Jim_GetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3599 if (objPtr
== NULL
&& flags
& JIM_ERRMSG
) {
3600 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3601 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3602 "can't read \"", nameObjPtr
->bytes
,
3603 "\": no such variable", NULL
);
3605 interp
->framePtr
= savedCallFrame
;
3610 Jim_Obj
*Jim_GetGlobalVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
,
3613 Jim_CallFrame
*savedFramePtr
;
3616 savedFramePtr
= interp
->framePtr
;
3617 interp
->framePtr
= interp
->topFramePtr
;
3618 objPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3619 interp
->framePtr
= savedFramePtr
;
3624 Jim_Obj
*Jim_GetVariableStr(Jim_Interp
*interp
, const char *name
, int flags
)
3626 Jim_Obj
*nameObjPtr
, *varObjPtr
;
3628 nameObjPtr
= Jim_NewStringObj(interp
, name
, -1);
3629 Jim_IncrRefCount(nameObjPtr
);
3630 varObjPtr
= Jim_GetVariable(interp
, nameObjPtr
, flags
);
3631 Jim_DecrRefCount(interp
, nameObjPtr
);
3635 Jim_Obj
*Jim_GetGlobalVariableStr(Jim_Interp
*interp
, const char *name
,
3638 Jim_CallFrame
*savedFramePtr
;
3641 savedFramePtr
= interp
->framePtr
;
3642 interp
->framePtr
= interp
->topFramePtr
;
3643 objPtr
= Jim_GetVariableStr(interp
, name
, flags
);
3644 interp
->framePtr
= savedFramePtr
;
3649 /* Unset a variable.
3650 * Note: On success unset invalidates all the variable objects created
3651 * in the current call frame incrementing. */
3652 int Jim_UnsetVariable(Jim_Interp
*interp
, Jim_Obj
*nameObjPtr
, int flags
)
3658 if ((err
= SetVariableFromAny(interp
, nameObjPtr
)) != JIM_OK
) {
3659 /* Check for [dict] syntax sugar. */
3660 if (err
== JIM_DICT_SUGAR
)
3661 return JimDictSugarSet(interp
, nameObjPtr
, NULL
);
3662 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3663 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3664 "can't unset \"", nameObjPtr
->bytes
,
3665 "\": no such variable", NULL
);
3666 return JIM_ERR
; /* var not found */
3668 varPtr
= nameObjPtr
->internalRep
.varValue
.varPtr
;
3669 /* If it's a link call UnsetVariable recursively */
3670 if (varPtr
->linkFramePtr
) {
3673 Jim_CallFrame
*savedCallFrame
;
3675 savedCallFrame
= interp
->framePtr
;
3676 interp
->framePtr
= varPtr
->linkFramePtr
;
3677 retval
= Jim_UnsetVariable(interp
, varPtr
->objPtr
, JIM_NONE
);
3678 interp
->framePtr
= savedCallFrame
;
3679 if (retval
!= JIM_OK
&& flags
& JIM_ERRMSG
) {
3680 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
3681 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
3682 "can't unset \"", nameObjPtr
->bytes
,
3683 "\": no such variable", NULL
);
3687 name
= Jim_GetString(nameObjPtr
, NULL
);
3688 if (Jim_DeleteHashEntry(&interp
->framePtr
->vars
, name
)
3689 != JIM_OK
) return JIM_ERR
;
3690 /* Change the callframe id, invalidating var lookup caching */
3691 JimChangeCallFrameId(interp
, interp
->framePtr
);
3696 /* ---------- Dict syntax sugar (similar to array Tcl syntax) -------------- */
3698 /* Given a variable name for [dict] operation syntax sugar,
3699 * this function returns two objects, the first with the name
3700 * of the variable to set, and the second with the rispective key.
3701 * For example "foo(bar)" will return objects with string repr. of
3704 * The returned objects have refcount = 1. The function can't fail. */
3705 static void JimDictSugarParseVarKey(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3706 Jim_Obj
**varPtrPtr
, Jim_Obj
**keyPtrPtr
)
3708 const char *str
, *p
;
3710 int len
, keyLen
, nameLen
;
3711 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3713 str
= Jim_GetString(objPtr
, &len
);
3714 p
= strchr(str
, '(');
3716 keyLen
= len
-((p
-str
)+1);
3717 nameLen
= (p
-str
)-1;
3718 /* Create the objects with the variable name and key. */
3719 t
= Jim_Alloc(nameLen
+1);
3720 memcpy(t
, str
, nameLen
);
3722 varObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, nameLen
);
3724 t
= Jim_Alloc(keyLen
+1);
3725 memcpy(t
, p
, keyLen
);
3727 keyObjPtr
= Jim_NewStringObjNoAlloc(interp
, t
, keyLen
);
3729 Jim_IncrRefCount(varObjPtr
);
3730 Jim_IncrRefCount(keyObjPtr
);
3731 *varPtrPtr
= varObjPtr
;
3732 *keyPtrPtr
= keyObjPtr
;
3735 /* Helper of Jim_SetVariable() to deal with dict-syntax variable names.
3736 * Also used by Jim_UnsetVariable() with valObjPtr = NULL. */
3737 static int JimDictSugarSet(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
3740 Jim_Obj
*varObjPtr
, *keyObjPtr
;
3743 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3744 err
= Jim_SetDictKeysVector(interp
, varObjPtr
, &keyObjPtr
, 1,
3746 Jim_DecrRefCount(interp
, varObjPtr
);
3747 Jim_DecrRefCount(interp
, keyObjPtr
);
3751 /* Helper of Jim_GetVariable() to deal with dict-syntax variable names */
3752 static Jim_Obj
*JimDictSugarGet(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3754 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3756 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3757 dictObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
3762 if (Jim_DictKey(interp
, dictObjPtr
, keyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3767 Jim_DecrRefCount(interp
, varObjPtr
);
3768 Jim_DecrRefCount(interp
, keyObjPtr
);
3772 /* --------- $var(INDEX) substitution, using a specialized object ----------- */
3774 static void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
3775 static void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3778 static Jim_ObjType dictSubstObjType
= {
3779 "dict-substitution",
3780 FreeDictSubstInternalRep
,
3781 DupDictSubstInternalRep
,
3786 void FreeDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3788 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
);
3789 Jim_DecrRefCount(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
);
3792 void DupDictSubstInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
,
3795 JIM_NOTUSED(interp
);
3797 dupPtr
->internalRep
.dictSubstValue
.varNameObjPtr
=
3798 srcPtr
->internalRep
.dictSubstValue
.varNameObjPtr
;
3799 dupPtr
->internalRep
.dictSubstValue
.indexObjPtr
=
3800 srcPtr
->internalRep
.dictSubstValue
.indexObjPtr
;
3801 dupPtr
->typePtr
= &dictSubstObjType
;
3804 /* This function is used to expand [dict get] sugar in the form
3805 * of $var(INDEX). The function is mainly used by Jim_EvalObj()
3806 * to deal with tokens of type JIM_TT_DICTSUGAR. objPtr points to an
3807 * object that is *guaranteed* to be in the form VARNAME(INDEX).
3808 * The 'index' part is [subst]ituted, and is used to lookup a key inside
3809 * the [dict]ionary contained in variable VARNAME. */
3810 Jim_Obj
*Jim_ExpandDictSugar(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
3812 Jim_Obj
*varObjPtr
, *keyObjPtr
, *dictObjPtr
, *resObjPtr
;
3813 Jim_Obj
*substKeyObjPtr
= NULL
;
3815 if (objPtr
->typePtr
!= &dictSubstObjType
) {
3816 JimDictSugarParseVarKey(interp
, objPtr
, &varObjPtr
, &keyObjPtr
);
3817 Jim_FreeIntRep(interp
, objPtr
);
3818 objPtr
->typePtr
= &dictSubstObjType
;
3819 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
= varObjPtr
;
3820 objPtr
->internalRep
.dictSubstValue
.indexObjPtr
= keyObjPtr
;
3822 if (Jim_SubstObj(interp
, objPtr
->internalRep
.dictSubstValue
.indexObjPtr
,
3823 &substKeyObjPtr
, JIM_NONE
)
3825 substKeyObjPtr
= NULL
;
3828 Jim_IncrRefCount(substKeyObjPtr
);
3829 dictObjPtr
= Jim_GetVariable(interp
,
3830 objPtr
->internalRep
.dictSubstValue
.varNameObjPtr
, JIM_ERRMSG
);
3835 if (Jim_DictKey(interp
, dictObjPtr
, substKeyObjPtr
, &resObjPtr
, JIM_ERRMSG
)
3841 if (substKeyObjPtr
) Jim_DecrRefCount(interp
, substKeyObjPtr
);
3845 /* -----------------------------------------------------------------------------
3847 * ---------------------------------------------------------------------------*/
3849 static Jim_CallFrame
*JimCreateCallFrame(Jim_Interp
*interp
)
3852 if (interp
->freeFramesList
) {
3853 cf
= interp
->freeFramesList
;
3854 interp
->freeFramesList
= cf
->nextFramePtr
;
3856 cf
= Jim_Alloc(sizeof(*cf
));
3857 cf
->vars
.table
= NULL
;
3860 cf
->id
= interp
->callFrameEpoch
++;
3861 cf
->parentCallFrame
= NULL
;
3864 cf
->procArgsObjPtr
= NULL
;
3865 cf
->procBodyObjPtr
= NULL
;
3866 cf
->nextFramePtr
= NULL
;
3867 cf
->staticVars
= NULL
;
3868 if (cf
->vars
.table
== NULL
)
3869 Jim_InitHashTable(&cf
->vars
, &JimVariablesHashTableType
, interp
);
3873 /* Used to invalidate every caching related to callframe stability. */
3874 static void JimChangeCallFrameId(Jim_Interp
*interp
, Jim_CallFrame
*cf
)
3876 cf
->id
= interp
->callFrameEpoch
++;
3879 #define JIM_FCF_NONE 0 /* no flags */
3880 #define JIM_FCF_NOHT 1 /* don't free the hash table */
3881 static void JimFreeCallFrame(Jim_Interp
*interp
, Jim_CallFrame
*cf
,
3884 if (cf
->procArgsObjPtr
) Jim_DecrRefCount(interp
, cf
->procArgsObjPtr
);
3885 if (cf
->procBodyObjPtr
) Jim_DecrRefCount(interp
, cf
->procBodyObjPtr
);
3886 if (!(flags
& JIM_FCF_NOHT
))
3887 Jim_FreeHashTable(&cf
->vars
);
3890 Jim_HashEntry
**table
= cf
->vars
.table
, *he
;
3892 for (i
= 0; i
< JIM_HT_INITIAL_SIZE
; i
++) {
3894 while (he
!= NULL
) {
3895 Jim_HashEntry
*nextEntry
= he
->next
;
3896 Jim_Var
*varPtr
= (void*) he
->val
;
3898 Jim_DecrRefCount(interp
, varPtr
->objPtr
);
3900 Jim_Free((void*)he
->key
); /* ATTENTION: const cast */
3908 cf
->nextFramePtr
= interp
->freeFramesList
;
3909 interp
->freeFramesList
= cf
;
3912 /* -----------------------------------------------------------------------------
3914 * ---------------------------------------------------------------------------*/
3916 /* References HashTable Type.
3918 * Keys are jim_wide integers, dynamically allocated for now but in the
3919 * future it's worth to cache this 8 bytes objects. Values are poitners
3920 * to Jim_References. */
3921 static void JimReferencesHTValDestructor(void *interp
, void *val
)
3923 Jim_Reference
*refPtr
= (void*) val
;
3925 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
3926 if (refPtr
->finalizerCmdNamePtr
!= NULL
) {
3927 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
3932 unsigned int JimReferencesHTHashFunction(const void *key
)
3934 /* Only the least significant bits are used. */
3935 const jim_wide
*widePtr
= key
;
3936 unsigned int intValue
= (unsigned int) *widePtr
;
3937 return Jim_IntHashFunction(intValue
);
3940 unsigned int JimReferencesHTDoubleHashFunction(const void *key
)
3942 /* Only the least significant bits are used. */
3943 const jim_wide
*widePtr
= key
;
3944 unsigned int intValue
= (unsigned int) *widePtr
;
3945 return intValue
; /* identity function. */
3948 const void *JimReferencesHTKeyDup(void *privdata
, const void *key
)
3950 void *copy
= Jim_Alloc(sizeof(jim_wide
));
3951 JIM_NOTUSED(privdata
);
3953 memcpy(copy
, key
, sizeof(jim_wide
));
3957 int JimReferencesHTKeyCompare(void *privdata
, const void *key1
,
3960 JIM_NOTUSED(privdata
);
3962 return memcmp(key1
, key2
, sizeof(jim_wide
)) == 0;
3965 void JimReferencesHTKeyDestructor(void *privdata
, const void *key
)
3967 JIM_NOTUSED(privdata
);
3969 Jim_Free((void*)key
);
3972 static Jim_HashTableType JimReferencesHashTableType
= {
3973 JimReferencesHTHashFunction
, /* hash function */
3974 JimReferencesHTKeyDup
, /* key dup */
3976 JimReferencesHTKeyCompare
, /* key compare */
3977 JimReferencesHTKeyDestructor
, /* key destructor */
3978 JimReferencesHTValDestructor
/* val destructor */
3981 /* -----------------------------------------------------------------------------
3982 * Reference object type and References API
3983 * ---------------------------------------------------------------------------*/
3985 static void UpdateStringOfReference(struct Jim_Obj
*objPtr
);
3987 static Jim_ObjType referenceObjType
= {
3991 UpdateStringOfReference
,
3992 JIM_TYPE_REFERENCES
,
3995 void UpdateStringOfReference(struct Jim_Obj
*objPtr
)
3998 char buf
[JIM_REFERENCE_SPACE
+1];
3999 Jim_Reference
*refPtr
;
4001 refPtr
= objPtr
->internalRep
.refValue
.refPtr
;
4002 len
= JimFormatReference(buf
, refPtr
, objPtr
->internalRep
.refValue
.id
);
4003 objPtr
->bytes
= Jim_Alloc(len
+1);
4004 memcpy(objPtr
->bytes
, buf
, len
+1);
4005 objPtr
->length
= len
;
4008 /* returns true if 'c' is a valid reference tag character.
4009 * i.e. inside the range [_a-zA-Z0-9] */
4010 static int isrefchar(int c
)
4012 if (c
== '_' || (c
>= 'a' && c
<= 'z') || (c
>= 'A' && c
<= 'Z') ||
4013 (c
>= '0' && c
<= '9')) return 1;
4017 int SetReferenceFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4021 const char *str
, *start
, *end
;
4023 Jim_Reference
*refPtr
;
4026 /* Get the string representation */
4027 str
= Jim_GetString(objPtr
, &len
);
4028 /* Check if it looks like a reference */
4029 if (len
< JIM_REFERENCE_SPACE
) goto badformat
;
4033 while (*start
== ' ') start
++;
4034 while (*end
== ' ' && end
> start
) end
--;
4035 if (end
-start
+1 != JIM_REFERENCE_SPACE
) goto badformat
;
4036 /* <reference.<1234567>.%020> */
4037 if (memcmp(start
, "<reference.<", 12) != 0) goto badformat
;
4038 if (start
[12+JIM_REFERENCE_TAGLEN
] != '>' || end
[0] != '>') goto badformat
;
4039 /* The tag can't contain chars other than a-zA-Z0-9 + '_'. */
4040 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4041 if (!isrefchar(start
[12+i
])) goto badformat
;
4043 /* Extract info from the refernece. */
4044 memcpy(refId
, start
+14+JIM_REFERENCE_TAGLEN
, 20);
4046 /* Try to convert the ID into a jim_wide */
4047 if (Jim_StringToWide(refId
, &wideValue
, 10) != JIM_OK
) goto badformat
;
4048 /* Check if the reference really exists! */
4049 he
= Jim_FindHashEntry(&interp
->references
, &wideValue
);
4051 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4052 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4053 "Invalid reference ID \"", str
, "\"", NULL
);
4057 /* Free the old internal repr and set the new one. */
4058 Jim_FreeIntRep(interp
, objPtr
);
4059 objPtr
->typePtr
= &referenceObjType
;
4060 objPtr
->internalRep
.refValue
.id
= wideValue
;
4061 objPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4065 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4066 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4067 "expected reference but got \"", str
, "\"", NULL
);
4071 /* Returns a new reference pointing to objPtr, having cmdNamePtr
4072 * as finalizer command (or NULL if there is no finalizer).
4073 * The returned reference object has refcount = 0. */
4074 Jim_Obj
*Jim_NewReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*tagPtr
,
4075 Jim_Obj
*cmdNamePtr
)
4077 struct Jim_Reference
*refPtr
;
4078 jim_wide wideValue
= interp
->referenceNextId
;
4083 /* Perform the Garbage Collection if needed. */
4084 Jim_CollectIfNeeded(interp
);
4086 refPtr
= Jim_Alloc(sizeof(*refPtr
));
4087 refPtr
->objPtr
= objPtr
;
4088 Jim_IncrRefCount(objPtr
);
4089 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4091 Jim_IncrRefCount(cmdNamePtr
);
4092 Jim_AddHashEntry(&interp
->references
, &wideValue
, refPtr
);
4093 refObjPtr
= Jim_NewObj(interp
);
4094 refObjPtr
->typePtr
= &referenceObjType
;
4095 refObjPtr
->bytes
= NULL
;
4096 refObjPtr
->internalRep
.refValue
.id
= interp
->referenceNextId
;
4097 refObjPtr
->internalRep
.refValue
.refPtr
= refPtr
;
4098 interp
->referenceNextId
++;
4099 /* Set the tag. Trimmered at JIM_REFERENCE_TAGLEN. Everything
4100 * that does not pass the 'isrefchar' test is replaced with '_' */
4101 tag
= Jim_GetString(tagPtr
, &tagLen
);
4102 if (tagLen
> JIM_REFERENCE_TAGLEN
)
4103 tagLen
= JIM_REFERENCE_TAGLEN
;
4104 for (i
= 0; i
< JIM_REFERENCE_TAGLEN
; i
++) {
4106 refPtr
->tag
[i
] = tag
[i
];
4108 refPtr
->tag
[i
] = '_';
4110 refPtr
->tag
[JIM_REFERENCE_TAGLEN
] = '\0';
4114 Jim_Reference
*Jim_GetReference(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4116 if (objPtr
->typePtr
!= &referenceObjType
&&
4117 SetReferenceFromAny(interp
, objPtr
) == JIM_ERR
)
4119 return objPtr
->internalRep
.refValue
.refPtr
;
4122 int Jim_SetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
*cmdNamePtr
)
4124 Jim_Reference
*refPtr
;
4126 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4128 Jim_IncrRefCount(cmdNamePtr
);
4129 if (refPtr
->finalizerCmdNamePtr
)
4130 Jim_DecrRefCount(interp
, refPtr
->finalizerCmdNamePtr
);
4131 refPtr
->finalizerCmdNamePtr
= cmdNamePtr
;
4135 int Jim_GetFinalizer(Jim_Interp
*interp
, Jim_Obj
*objPtr
, Jim_Obj
**cmdNamePtrPtr
)
4137 Jim_Reference
*refPtr
;
4139 if ((refPtr
= Jim_GetReference(interp
, objPtr
)) == NULL
)
4141 *cmdNamePtrPtr
= refPtr
->finalizerCmdNamePtr
;
4145 /* -----------------------------------------------------------------------------
4146 * References Garbage Collection
4147 * ---------------------------------------------------------------------------*/
4149 /* This the hash table type for the "MARK" phase of the GC */
4150 static Jim_HashTableType JimRefMarkHashTableType
= {
4151 JimReferencesHTHashFunction
, /* hash function */
4152 JimReferencesHTKeyDup
, /* key dup */
4154 JimReferencesHTKeyCompare
, /* key compare */
4155 JimReferencesHTKeyDestructor
, /* key destructor */
4156 NULL
/* val destructor */
4159 /* #define JIM_DEBUG_GC 1 */
4161 /* Performs the garbage collection. */
4162 int Jim_Collect(Jim_Interp
*interp
)
4164 Jim_HashTable marks
;
4165 Jim_HashTableIterator
*htiter
;
4170 /* Avoid recursive calls */
4171 if (interp
->lastCollectId
== -1) {
4172 /* Jim_Collect() already running. Return just now. */
4175 interp
->lastCollectId
= -1;
4177 /* Mark all the references found into the 'mark' hash table.
4178 * The references are searched in every live object that
4179 * is of a type that can contain references. */
4180 Jim_InitHashTable(&marks
, &JimRefMarkHashTableType
, NULL
);
4181 objPtr
= interp
->liveList
;
4183 if (objPtr
->typePtr
== NULL
||
4184 objPtr
->typePtr
->flags
& JIM_TYPE_REFERENCES
) {
4185 const char *str
, *p
;
4188 /* If the object is of type reference, to get the
4189 * Id is simple... */
4190 if (objPtr
->typePtr
== &referenceObjType
) {
4191 Jim_AddHashEntry(&marks
,
4192 &objPtr
->internalRep
.refValue
.id
, NULL
);
4194 Jim_fprintf(interp
,interp
->cookie_stdout
,
4195 "MARK (reference): %d refcount: %d" JIM_NL
,
4196 (int) objPtr
->internalRep
.refValue
.id
,
4199 objPtr
= objPtr
->nextObjPtr
;
4202 /* Get the string repr of the object we want
4203 * to scan for references. */
4204 p
= str
= Jim_GetString(objPtr
, &len
);
4205 /* Skip objects too little to contain references. */
4206 if (len
< JIM_REFERENCE_SPACE
) {
4207 objPtr
= objPtr
->nextObjPtr
;
4210 /* Extract references from the object string repr. */
4216 if ((p
= strstr(p
, "<reference.<")) == NULL
)
4218 /* Check if it's a valid reference. */
4219 if (len
-(p
-str
) < JIM_REFERENCE_SPACE
) break;
4220 if (p
[41] != '>' || p
[19] != '>' || p
[20] != '.') break;
4221 for (i
= 21; i
<= 40; i
++)
4222 if (!isdigit((int)p
[i
]))
4225 memcpy(buf
, p
+21, 20);
4227 Jim_StringToWide(buf
, &id
, 10);
4229 /* Ok, a reference for the given ID
4230 * was found. Mark it. */
4231 Jim_AddHashEntry(&marks
, &id
, NULL
);
4233 Jim_fprintf(interp
,interp
->cookie_stdout
,"MARK: %d" JIM_NL
, (int)id
);
4235 p
+= JIM_REFERENCE_SPACE
;
4238 objPtr
= objPtr
->nextObjPtr
;
4241 /* Run the references hash table to destroy every reference that
4242 * is not referenced outside (not present in the mark HT). */
4243 htiter
= Jim_GetHashTableIterator(&interp
->references
);
4244 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
4245 const jim_wide
*refId
;
4246 Jim_Reference
*refPtr
;
4249 /* Check if in the mark phase we encountered
4250 * this reference. */
4251 if (Jim_FindHashEntry(&marks
, refId
) == NULL
) {
4253 Jim_fprintf(interp
,interp
->cookie_stdout
,"COLLECTING %d" JIM_NL
, (int)*refId
);
4256 /* Drop the reference, but call the
4257 * finalizer first if registered. */
4259 if (refPtr
->finalizerCmdNamePtr
) {
4260 char *refstr
= Jim_Alloc(JIM_REFERENCE_SPACE
+1);
4261 Jim_Obj
*objv
[3], *oldResult
;
4263 JimFormatReference(refstr
, refPtr
, *refId
);
4265 objv
[0] = refPtr
->finalizerCmdNamePtr
;
4266 objv
[1] = Jim_NewStringObjNoAlloc(interp
,
4268 objv
[2] = refPtr
->objPtr
;
4269 Jim_IncrRefCount(objv
[0]);
4270 Jim_IncrRefCount(objv
[1]);
4271 Jim_IncrRefCount(objv
[2]);
4273 /* Drop the reference itself */
4274 Jim_DeleteHashEntry(&interp
->references
, refId
);
4276 /* Call the finalizer. Errors ignored. */
4277 oldResult
= interp
->result
;
4278 Jim_IncrRefCount(oldResult
);
4279 Jim_EvalObjVector(interp
, 3, objv
);
4280 Jim_SetResult(interp
, oldResult
);
4281 Jim_DecrRefCount(interp
, oldResult
);
4283 Jim_DecrRefCount(interp
, objv
[0]);
4284 Jim_DecrRefCount(interp
, objv
[1]);
4285 Jim_DecrRefCount(interp
, objv
[2]);
4287 Jim_DeleteHashEntry(&interp
->references
, refId
);
4291 Jim_FreeHashTableIterator(htiter
);
4292 Jim_FreeHashTable(&marks
);
4293 interp
->lastCollectId
= interp
->referenceNextId
;
4294 interp
->lastCollectTime
= time(NULL
);
4298 #define JIM_COLLECT_ID_PERIOD 5000
4299 #define JIM_COLLECT_TIME_PERIOD 300
4301 void Jim_CollectIfNeeded(Jim_Interp
*interp
)
4306 elapsedId
= interp
->referenceNextId
- interp
->lastCollectId
;
4307 elapsedTime
= time(NULL
) - interp
->lastCollectTime
;
4310 if (elapsedId
> JIM_COLLECT_ID_PERIOD
||
4311 elapsedTime
> JIM_COLLECT_TIME_PERIOD
) {
4312 Jim_Collect(interp
);
4316 /* -----------------------------------------------------------------------------
4317 * Interpreter related functions
4318 * ---------------------------------------------------------------------------*/
4320 Jim_Interp
*Jim_CreateInterp(void)
4322 Jim_Interp
*i
= Jim_Alloc(sizeof(*i
));
4326 i
->errorFileName
= Jim_StrDup("");
4328 i
->maxNestingDepth
= JIM_MAX_NESTING_DEPTH
;
4329 i
->returnCode
= JIM_OK
;
4332 i
->callFrameEpoch
= 0;
4333 i
->liveList
= i
->freeList
= NULL
;
4334 i
->scriptFileName
= Jim_StrDup("");
4335 i
->referenceNextId
= 0;
4336 i
->lastCollectId
= 0;
4337 i
->lastCollectTime
= time(NULL
);
4338 i
->freeFramesList
= NULL
;
4339 i
->prngState
= NULL
;
4340 i
->evalRetcodeLevel
= -1;
4341 i
->cookie_stdin
= stdin
;
4342 i
->cookie_stdout
= stdout
;
4343 i
->cookie_stderr
= stderr
;
4344 i
->cb_fwrite
= ((size_t (*)( const void *, size_t, size_t, void *))(fwrite
));
4345 i
->cb_fread
= ((size_t (*)( void *, size_t, size_t, void *))(fread
));
4346 i
->cb_vfprintf
= ((int (*)( void *, const char *fmt
, va_list ))(vfprintf
));
4347 i
->cb_fflush
= ((int (*)( void *))(fflush
));
4348 i
->cb_fgets
= ((char * (*)( char *, int, void *))(fgets
));
4350 /* Note that we can create objects only after the
4351 * interpreter liveList and freeList pointers are
4352 * initialized to NULL. */
4353 Jim_InitHashTable(&i
->commands
, &JimCommandsHashTableType
, i
);
4354 Jim_InitHashTable(&i
->references
, &JimReferencesHashTableType
, i
);
4355 Jim_InitHashTable(&i
->sharedStrings
, &JimSharedStringsHashTableType
,
4357 Jim_InitHashTable(&i
->stub
, &JimStringCopyHashTableType
, NULL
);
4358 Jim_InitHashTable(&i
->assocData
, &JimAssocDataHashTableType
, i
);
4359 Jim_InitHashTable(&i
->packages
, &JimStringKeyValCopyHashTableType
, NULL
);
4360 i
->framePtr
= i
->topFramePtr
= JimCreateCallFrame(i
);
4361 i
->emptyObj
= Jim_NewEmptyStringObj(i
);
4362 i
->result
= i
->emptyObj
;
4363 i
->stackTrace
= Jim_NewListObj(i
, NULL
, 0);
4364 i
->unknown
= Jim_NewStringObj(i
, "unknown", -1);
4365 Jim_IncrRefCount(i
->emptyObj
);
4366 Jim_IncrRefCount(i
->result
);
4367 Jim_IncrRefCount(i
->stackTrace
);
4368 Jim_IncrRefCount(i
->unknown
);
4370 /* Initialize key variables every interpreter should contain */
4371 pathPtr
= Jim_NewStringObj(i
, "./", -1);
4372 Jim_SetVariableStr(i
, "jim_libpath", pathPtr
);
4373 Jim_SetVariableStrWithStr(i
, "jim_interactive", "0");
4375 /* Export the core API to extensions */
4376 JimRegisterCoreApi(i
);
4380 /* This is the only function Jim exports directly without
4381 * to use the STUB system. It is only used by embedders
4382 * in order to get an interpreter with the Jim API pointers
4384 Jim_Interp
*ExportedJimCreateInterp(void)
4386 return Jim_CreateInterp();
4389 void Jim_FreeInterp(Jim_Interp
*i
)
4391 Jim_CallFrame
*cf
= i
->framePtr
, *prevcf
, *nextcf
;
4392 Jim_Obj
*objPtr
, *nextObjPtr
;
4394 Jim_DecrRefCount(i
, i
->emptyObj
);
4395 Jim_DecrRefCount(i
, i
->result
);
4396 Jim_DecrRefCount(i
, i
->stackTrace
);
4397 Jim_DecrRefCount(i
, i
->unknown
);
4398 Jim_Free((void*)i
->errorFileName
);
4399 Jim_Free((void*)i
->scriptFileName
);
4400 Jim_FreeHashTable(&i
->commands
);
4401 Jim_FreeHashTable(&i
->references
);
4402 Jim_FreeHashTable(&i
->stub
);
4403 Jim_FreeHashTable(&i
->assocData
);
4404 Jim_FreeHashTable(&i
->packages
);
4405 Jim_Free(i
->prngState
);
4406 /* Free the call frames list */
4408 prevcf
= cf
->parentCallFrame
;
4409 JimFreeCallFrame(i
, cf
, JIM_FCF_NONE
);
4412 /* Check that the live object list is empty, otherwise
4413 * there is a memory leak. */
4414 if (i
->liveList
!= NULL
) {
4415 Jim_Obj
*objPtr
= i
->liveList
;
4417 Jim_fprintf( i
, i
->cookie_stdout
,JIM_NL
"-------------------------------------" JIM_NL
);
4418 Jim_fprintf( i
, i
->cookie_stdout
,"Objects still in the free list:" JIM_NL
);
4420 const char *type
= objPtr
->typePtr
?
4421 objPtr
->typePtr
->name
: "";
4422 Jim_fprintf( i
, i
->cookie_stdout
,"%p \"%-10s\": '%.20s' (refCount: %d)" JIM_NL
,
4424 objPtr
->bytes
? objPtr
->bytes
4425 : "(null)", objPtr
->refCount
);
4426 if (objPtr
->typePtr
== &sourceObjType
) {
4427 Jim_fprintf( i
, i
->cookie_stdout
, "FILE %s LINE %d" JIM_NL
,
4428 objPtr
->internalRep
.sourceValue
.fileName
,
4429 objPtr
->internalRep
.sourceValue
.lineNumber
);
4431 objPtr
= objPtr
->nextObjPtr
;
4433 Jim_fprintf( i
, i
->cookie_stdout
, "-------------------------------------" JIM_NL JIM_NL
);
4434 Jim_Panic(i
,"Live list non empty freeing the interpreter! Leak?");
4436 /* Free all the freed objects. */
4437 objPtr
= i
->freeList
;
4439 nextObjPtr
= objPtr
->nextObjPtr
;
4441 objPtr
= nextObjPtr
;
4443 /* Free cached CallFrame structures */
4444 cf
= i
->freeFramesList
;
4446 nextcf
= cf
->nextFramePtr
;
4447 if (cf
->vars
.table
!= NULL
)
4448 Jim_Free(cf
->vars
.table
);
4452 /* Free the sharedString hash table. Make sure to free it
4453 * after every other Jim_Object was freed. */
4454 Jim_FreeHashTable(&i
->sharedStrings
);
4455 /* Free the interpreter structure. */
4459 /* Store the call frame relative to the level represented by
4460 * levelObjPtr into *framePtrPtr. If levelObjPtr == NULL, the
4461 * level is assumed to be '1'.
4463 * If a newLevelptr int pointer is specified, the function stores
4464 * the absolute level integer value of the new target callframe into
4465 * *newLevelPtr. (this is used to adjust interp->numLevels
4466 * in the implementation of [uplevel], so that [info level] will
4467 * return a correct information).
4469 * This function accepts the 'level' argument in the form
4470 * of the commands [uplevel] and [upvar].
4472 * For a function accepting a relative integer as level suitable
4473 * for implementation of [info level ?level?] check the
4474 * GetCallFrameByInteger() function. */
4475 int Jim_GetCallFrameByLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4476 Jim_CallFrame
**framePtrPtr
, int *newLevelPtr
)
4480 Jim_CallFrame
*framePtr
;
4482 if (newLevelPtr
) *newLevelPtr
= interp
->numLevels
;
4484 str
= Jim_GetString(levelObjPtr
, NULL
);
4485 if (str
[0] == '#') {
4487 /* speedup for the toplevel (level #0) */
4488 if (str
[1] == '0' && str
[2] == '\0') {
4489 if (newLevelPtr
) *newLevelPtr
= 0;
4490 *framePtrPtr
= interp
->topFramePtr
;
4494 level
= strtol(str
+1, &endptr
, 0);
4495 if (str
[1] == '\0' || endptr
[0] != '\0' || level
< 0)
4497 /* An 'absolute' level is converted into the
4498 * 'number of levels to go back' format. */
4499 level
= interp
->numLevels
- level
;
4500 if (level
< 0) goto badlevel
;
4502 if (Jim_GetLong(interp
, levelObjPtr
, &level
) != JIM_OK
|| level
< 0)
4506 str
= "1"; /* Needed to format the error message. */
4510 framePtr
= interp
->framePtr
;
4511 if (newLevelPtr
) *newLevelPtr
= (*newLevelPtr
)-level
;
4513 framePtr
= framePtr
->parentCallFrame
;
4514 if (framePtr
== NULL
) goto badlevel
;
4516 *framePtrPtr
= framePtr
;
4519 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4520 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4521 "bad level \"", str
, "\"", NULL
);
4525 /* Similar to Jim_GetCallFrameByLevel() but the level is specified
4526 * as a relative integer like in the [info level ?level?] command. */
4527 static int JimGetCallFrameByInteger(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
4528 Jim_CallFrame
**framePtrPtr
)
4531 jim_wide relLevel
; /* level relative to the current one. */
4532 Jim_CallFrame
*framePtr
;
4534 if (Jim_GetWide(interp
, levelObjPtr
, &level
) != JIM_OK
)
4537 /* An 'absolute' level is converted into the
4538 * 'number of levels to go back' format. */
4539 relLevel
= interp
->numLevels
- level
;
4544 framePtr
= interp
->framePtr
;
4545 while (relLevel
--) {
4546 framePtr
= framePtr
->parentCallFrame
;
4547 if (framePtr
== NULL
) goto badlevel
;
4549 *framePtrPtr
= framePtr
;
4552 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4553 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4554 "bad level \"", Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
4558 static void JimSetErrorFileName(Jim_Interp
*interp
, char *filename
)
4560 Jim_Free((void*)interp
->errorFileName
);
4561 interp
->errorFileName
= Jim_StrDup(filename
);
4564 static void JimSetErrorLineNumber(Jim_Interp
*interp
, int linenr
)
4566 interp
->errorLine
= linenr
;
4569 static void JimResetStackTrace(Jim_Interp
*interp
)
4571 Jim_DecrRefCount(interp
, interp
->stackTrace
);
4572 interp
->stackTrace
= Jim_NewListObj(interp
, NULL
, 0);
4573 Jim_IncrRefCount(interp
->stackTrace
);
4576 static void JimAppendStackTrace(Jim_Interp
*interp
, const char *procname
,
4577 const char *filename
, int linenr
)
4579 if (Jim_IsShared(interp
->stackTrace
)) {
4580 interp
->stackTrace
=
4581 Jim_DuplicateObj(interp
, interp
->stackTrace
);
4582 Jim_IncrRefCount(interp
->stackTrace
);
4584 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4585 Jim_NewStringObj(interp
, procname
, -1));
4586 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4587 Jim_NewStringObj(interp
, filename
, -1));
4588 Jim_ListAppendElement(interp
, interp
->stackTrace
,
4589 Jim_NewIntObj(interp
, linenr
));
4592 int Jim_SetAssocData(Jim_Interp
*interp
, const char *key
, Jim_InterpDeleteProc
*delProc
, void *data
)
4594 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)Jim_Alloc(sizeof(AssocDataValue
));
4595 assocEntryPtr
->delProc
= delProc
;
4596 assocEntryPtr
->data
= data
;
4597 return Jim_AddHashEntry(&interp
->assocData
, key
, assocEntryPtr
);
4600 void *Jim_GetAssocData(Jim_Interp
*interp
, const char *key
)
4602 Jim_HashEntry
*entryPtr
= Jim_FindHashEntry(&interp
->assocData
, key
);
4603 if (entryPtr
!= NULL
) {
4604 AssocDataValue
*assocEntryPtr
= (AssocDataValue
*)entryPtr
->val
;
4605 return assocEntryPtr
->data
;
4610 int Jim_DeleteAssocData(Jim_Interp
*interp
, const char *key
)
4612 return Jim_DeleteHashEntry(&interp
->assocData
, key
);
4615 int Jim_GetExitCode(Jim_Interp
*interp
) {
4616 return interp
->exitCode
;
4619 void *Jim_SetStdin(Jim_Interp
*interp
, void *fp
)
4621 if (fp
!= NULL
) interp
->cookie_stdin
= fp
;
4622 return interp
->cookie_stdin
;
4625 void *Jim_SetStdout(Jim_Interp
*interp
, void *fp
)
4627 if (fp
!= NULL
) interp
->cookie_stdout
= fp
;
4628 return interp
->cookie_stdout
;
4631 void *Jim_SetStderr(Jim_Interp
*interp
, void *fp
)
4633 if (fp
!= NULL
) interp
->cookie_stderr
= fp
;
4634 return interp
->cookie_stderr
;
4637 /* -----------------------------------------------------------------------------
4639 * Every interpreter has an hash table where to put shared dynamically
4640 * allocate strings that are likely to be used a lot of times.
4641 * For example, in the 'source' object type, there is a pointer to
4642 * the filename associated with that object. Every script has a lot
4643 * of this objects with the identical file name, so it is wise to share
4646 * The API is trivial: Jim_GetSharedString(interp, "foobar")
4647 * returns the pointer to the shared string. Every time a reference
4648 * to the string is no longer used, the user should call
4649 * Jim_ReleaseSharedString(interp, stringPointer). Once no one is using
4650 * a given string, it is removed from the hash table.
4651 * ---------------------------------------------------------------------------*/
4652 const char *Jim_GetSharedString(Jim_Interp
*interp
, const char *str
)
4654 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4657 char *strCopy
= Jim_StrDup(str
);
4659 Jim_AddHashEntry(&interp
->sharedStrings
, strCopy
, (void*)1);
4662 long refCount
= (long) he
->val
;
4665 he
->val
= (void*) refCount
;
4670 void Jim_ReleaseSharedString(Jim_Interp
*interp
, const char *str
)
4673 Jim_HashEntry
*he
= Jim_FindHashEntry(&interp
->sharedStrings
, str
);
4676 Jim_Panic(interp
,"Jim_ReleaseSharedString called with "
4677 "unknown shared string '%s'", str
);
4678 refCount
= (long) he
->val
;
4680 if (refCount
== 0) {
4681 Jim_DeleteHashEntry(&interp
->sharedStrings
, str
);
4683 he
->val
= (void*) refCount
;
4687 /* -----------------------------------------------------------------------------
4689 * ---------------------------------------------------------------------------*/
4690 #define JIM_INTEGER_SPACE 24
4692 static void UpdateStringOfInt(struct Jim_Obj
*objPtr
);
4693 static int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
);
4695 static Jim_ObjType intObjType
= {
4703 void UpdateStringOfInt(struct Jim_Obj
*objPtr
)
4706 char buf
[JIM_INTEGER_SPACE
+1];
4708 len
= Jim_WideToString(buf
, objPtr
->internalRep
.wideValue
);
4709 objPtr
->bytes
= Jim_Alloc(len
+1);
4710 memcpy(objPtr
->bytes
, buf
, len
+1);
4711 objPtr
->length
= len
;
4714 int SetIntFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
4719 /* Get the string representation */
4720 str
= Jim_GetString(objPtr
, NULL
);
4721 /* Try to convert into a jim_wide */
4722 if (Jim_StringToWide(str
, &wideValue
, 0) != JIM_OK
) {
4723 if (flags
& JIM_ERRMSG
) {
4724 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4725 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4726 "expected integer but got \"", str
, "\"", NULL
);
4730 if ((wideValue
== JIM_WIDE_MIN
|| wideValue
== JIM_WIDE_MAX
) &&
4732 Jim_SetResultString(interp
,
4733 "Integer value too big to be represented", -1);
4736 /* Free the old internal repr and set the new one. */
4737 Jim_FreeIntRep(interp
, objPtr
);
4738 objPtr
->typePtr
= &intObjType
;
4739 objPtr
->internalRep
.wideValue
= wideValue
;
4743 int Jim_GetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide
*widePtr
)
4745 if (objPtr
->typePtr
!= &intObjType
&&
4746 SetIntFromAny(interp
, objPtr
, JIM_ERRMSG
) == JIM_ERR
)
4748 *widePtr
= objPtr
->internalRep
.wideValue
;
4752 /* Get a wide but does not set an error if the format is bad. */
4753 static int JimGetWideNoErr(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
4756 if (objPtr
->typePtr
!= &intObjType
&&
4757 SetIntFromAny(interp
, objPtr
, JIM_NONE
) == JIM_ERR
)
4759 *widePtr
= objPtr
->internalRep
.wideValue
;
4763 int Jim_GetLong(Jim_Interp
*interp
, Jim_Obj
*objPtr
, long *longPtr
)
4768 retval
= Jim_GetWide(interp
, objPtr
, &wideValue
);
4769 if (retval
== JIM_OK
) {
4770 *longPtr
= (long) wideValue
;
4776 void Jim_SetWide(Jim_Interp
*interp
, Jim_Obj
*objPtr
, jim_wide wideValue
)
4778 if (Jim_IsShared(objPtr
))
4779 Jim_Panic(interp
,"Jim_SetWide called with shared object");
4780 if (objPtr
->typePtr
!= &intObjType
) {
4781 Jim_FreeIntRep(interp
, objPtr
);
4782 objPtr
->typePtr
= &intObjType
;
4784 Jim_InvalidateStringRep(objPtr
);
4785 objPtr
->internalRep
.wideValue
= wideValue
;
4788 Jim_Obj
*Jim_NewIntObj(Jim_Interp
*interp
, jim_wide wideValue
)
4792 objPtr
= Jim_NewObj(interp
);
4793 objPtr
->typePtr
= &intObjType
;
4794 objPtr
->bytes
= NULL
;
4795 objPtr
->internalRep
.wideValue
= wideValue
;
4799 /* -----------------------------------------------------------------------------
4801 * ---------------------------------------------------------------------------*/
4802 #define JIM_DOUBLE_SPACE 30
4804 static void UpdateStringOfDouble(struct Jim_Obj
*objPtr
);
4805 static int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4807 static Jim_ObjType doubleObjType
= {
4811 UpdateStringOfDouble
,
4815 void UpdateStringOfDouble(struct Jim_Obj
*objPtr
)
4818 char buf
[JIM_DOUBLE_SPACE
+1];
4820 len
= Jim_DoubleToString(buf
, objPtr
->internalRep
.doubleValue
);
4821 objPtr
->bytes
= Jim_Alloc(len
+1);
4822 memcpy(objPtr
->bytes
, buf
, len
+1);
4823 objPtr
->length
= len
;
4826 int SetDoubleFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4831 /* Get the string representation */
4832 str
= Jim_GetString(objPtr
, NULL
);
4833 /* Try to convert into a double */
4834 if (Jim_StringToDouble(str
, &doubleValue
) != JIM_OK
) {
4835 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
4836 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
4837 "expected number but got '", str
, "'", NULL
);
4840 /* Free the old internal repr and set the new one. */
4841 Jim_FreeIntRep(interp
, objPtr
);
4842 objPtr
->typePtr
= &doubleObjType
;
4843 objPtr
->internalRep
.doubleValue
= doubleValue
;
4847 int Jim_GetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double *doublePtr
)
4849 if (objPtr
->typePtr
!= &doubleObjType
&&
4850 SetDoubleFromAny(interp
, objPtr
) == JIM_ERR
)
4852 *doublePtr
= objPtr
->internalRep
.doubleValue
;
4856 void Jim_SetDouble(Jim_Interp
*interp
, Jim_Obj
*objPtr
, double doubleValue
)
4858 if (Jim_IsShared(objPtr
))
4859 Jim_Panic(interp
,"Jim_SetDouble called with shared object");
4860 if (objPtr
->typePtr
!= &doubleObjType
) {
4861 Jim_FreeIntRep(interp
, objPtr
);
4862 objPtr
->typePtr
= &doubleObjType
;
4864 Jim_InvalidateStringRep(objPtr
);
4865 objPtr
->internalRep
.doubleValue
= doubleValue
;
4868 Jim_Obj
*Jim_NewDoubleObj(Jim_Interp
*interp
, double doubleValue
)
4872 objPtr
= Jim_NewObj(interp
);
4873 objPtr
->typePtr
= &doubleObjType
;
4874 objPtr
->bytes
= NULL
;
4875 objPtr
->internalRep
.doubleValue
= doubleValue
;
4879 /* -----------------------------------------------------------------------------
4881 * ---------------------------------------------------------------------------*/
4882 static void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
);
4883 static void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
4884 static void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
4885 static void UpdateStringOfList(struct Jim_Obj
*objPtr
);
4886 static int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
4888 /* Note that while the elements of the list may contain references,
4889 * the list object itself can't. This basically means that the
4890 * list object string representation as a whole can't contain references
4891 * that are not presents in the single elements. */
4892 static Jim_ObjType listObjType
= {
4894 FreeListInternalRep
,
4900 void FreeListInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
4904 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
4905 Jim_DecrRefCount(interp
, objPtr
->internalRep
.listValue
.ele
[i
]);
4907 Jim_Free(objPtr
->internalRep
.listValue
.ele
);
4910 void DupListInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
4913 JIM_NOTUSED(interp
);
4915 dupPtr
->internalRep
.listValue
.len
= srcPtr
->internalRep
.listValue
.len
;
4916 dupPtr
->internalRep
.listValue
.maxLen
= srcPtr
->internalRep
.listValue
.maxLen
;
4917 dupPtr
->internalRep
.listValue
.ele
=
4918 Jim_Alloc(sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.maxLen
);
4919 memcpy(dupPtr
->internalRep
.listValue
.ele
, srcPtr
->internalRep
.listValue
.ele
,
4920 sizeof(Jim_Obj
*)*srcPtr
->internalRep
.listValue
.len
);
4921 for (i
= 0; i
< dupPtr
->internalRep
.listValue
.len
; i
++) {
4922 Jim_IncrRefCount(dupPtr
->internalRep
.listValue
.ele
[i
]);
4924 dupPtr
->typePtr
= &listObjType
;
4927 /* The following function checks if a given string can be encoded
4928 * into a list element without any kind of quoting, surrounded by braces,
4929 * or using escapes to quote. */
4930 #define JIM_ELESTR_SIMPLE 0
4931 #define JIM_ELESTR_BRACE 1
4932 #define JIM_ELESTR_QUOTE 2
4933 static int ListElementQuotingType(const char *s
, int len
)
4935 int i
, level
, trySimple
= 1;
4937 /* Try with the SIMPLE case */
4938 if (len
== 0) return JIM_ELESTR_BRACE
;
4939 if (s
[0] == '"' || s
[0] == '{') {
4943 for (i
= 0; i
< len
; i
++) {
4963 return JIM_ELESTR_SIMPLE
;
4966 /* Test if it's possible to do with braces */
4967 if (s
[len
-1] == '\\' ||
4968 s
[len
-1] == ']') return JIM_ELESTR_QUOTE
;
4970 for (i
= 0; i
< len
; i
++) {
4972 case '{': level
++; break;
4974 if (level
< 0) return JIM_ELESTR_QUOTE
;
4978 return JIM_ELESTR_QUOTE
;
4980 if (s
[i
+1] != '\0') i
++;
4985 if (!trySimple
) return JIM_ELESTR_BRACE
;
4986 for (i
= 0; i
< len
; i
++) {
5000 return JIM_ELESTR_BRACE
;
5004 return JIM_ELESTR_SIMPLE
;
5006 return JIM_ELESTR_QUOTE
;
5009 /* Returns the malloc-ed representation of a string
5010 * using backslash to quote special chars. */
5011 char *BackslashQuoteString(const char *s
, int len
, int *qlenPtr
)
5013 char *q
= Jim_Alloc(len
*2+1), *p
;
5030 case '\n': *p
++ = '\\'; *p
++ = 'n'; s
++; break;
5031 case '\r': *p
++ = '\\'; *p
++ = 'r'; s
++; break;
5032 case '\t': *p
++ = '\\'; *p
++ = 't'; s
++; break;
5033 case '\f': *p
++ = '\\'; *p
++ = 'f'; s
++; break;
5034 case '\v': *p
++ = '\\'; *p
++ = 'v'; s
++; break;
5045 void UpdateStringOfList(struct Jim_Obj
*objPtr
)
5047 int i
, bufLen
, realLength
;
5051 Jim_Obj
**ele
= objPtr
->internalRep
.listValue
.ele
;
5053 /* (Over) Estimate the space needed. */
5054 quotingType
= Jim_Alloc(sizeof(int)*objPtr
->internalRep
.listValue
.len
+1);
5056 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5059 strRep
= Jim_GetString(ele
[i
], &len
);
5060 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5061 switch (quotingType
[i
]) {
5062 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5063 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5064 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5066 bufLen
++; /* elements separator. */
5070 /* Generate the string rep. */
5071 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5073 for (i
= 0; i
< objPtr
->internalRep
.listValue
.len
; i
++) {
5075 const char *strRep
= Jim_GetString(ele
[i
], &len
);
5078 switch(quotingType
[i
]) {
5079 case JIM_ELESTR_SIMPLE
:
5080 memcpy(p
, strRep
, len
);
5084 case JIM_ELESTR_BRACE
:
5086 memcpy(p
, strRep
, len
);
5089 realLength
+= len
+2;
5091 case JIM_ELESTR_QUOTE
:
5092 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5099 /* Add a separating space */
5100 if (i
+1 != objPtr
->internalRep
.listValue
.len
) {
5105 *p
= '\0'; /* nul term. */
5106 objPtr
->length
= realLength
;
5107 Jim_Free(quotingType
);
5110 int SetListFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5112 struct JimParserCtx parser
;
5116 /* Get the string representation */
5117 str
= Jim_GetString(objPtr
, &strLen
);
5119 /* Free the old internal repr just now and initialize the
5120 * new one just now. The string->list conversion can't fail. */
5121 Jim_FreeIntRep(interp
, objPtr
);
5122 objPtr
->typePtr
= &listObjType
;
5123 objPtr
->internalRep
.listValue
.len
= 0;
5124 objPtr
->internalRep
.listValue
.maxLen
= 0;
5125 objPtr
->internalRep
.listValue
.ele
= NULL
;
5127 /* Convert into a list */
5128 JimParserInit(&parser
, str
, strLen
, 1);
5129 while(!JimParserEof(&parser
)) {
5132 Jim_Obj
*elementPtr
;
5134 JimParseList(&parser
);
5135 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5136 JimParserTtype(&parser
) != JIM_TT_ESC
)
5138 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5139 elementPtr
= Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5140 ListAppendElement(objPtr
, elementPtr
);
5145 Jim_Obj
*Jim_NewListObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
,
5151 objPtr
= Jim_NewObj(interp
);
5152 objPtr
->typePtr
= &listObjType
;
5153 objPtr
->bytes
= NULL
;
5154 objPtr
->internalRep
.listValue
.ele
= NULL
;
5155 objPtr
->internalRep
.listValue
.len
= 0;
5156 objPtr
->internalRep
.listValue
.maxLen
= 0;
5157 for (i
= 0; i
< len
; i
++) {
5158 ListAppendElement(objPtr
, elements
[i
]);
5163 /* Return a vector of Jim_Obj with the elements of a Jim list, and the
5164 * length of the vector. Note that the user of this function should make
5165 * sure that the list object can't shimmer while the vector returned
5166 * is in use, this vector is the one stored inside the internal representation
5167 * of the list object. This function is not exported, extensions should
5168 * always access to the List object elements using Jim_ListIndex(). */
5169 static void JimListGetElements(Jim_Interp
*interp
, Jim_Obj
*listObj
, int *argc
,
5172 Jim_ListLength(interp
, listObj
, argc
);
5173 assert(listObj
->typePtr
== &listObjType
);
5174 *listVec
= listObj
->internalRep
.listValue
.ele
;
5177 /* ListSortElements type values */
5178 enum {JIM_LSORT_ASCII
, JIM_LSORT_NOCASE
, JIM_LSORT_ASCII_DECR
,
5179 JIM_LSORT_NOCASE_DECR
};
5181 /* Sort the internal rep of a list. */
5182 static int ListSortString(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5184 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0);
5187 static int ListSortStringDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5189 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 0) * -1;
5192 static int ListSortStringNoCase(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5194 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1);
5197 static int ListSortStringNoCaseDecr(Jim_Obj
**lhsObj
, Jim_Obj
**rhsObj
)
5199 return Jim_StringCompareObj(*lhsObj
, *rhsObj
, 1) * -1;
5202 /* Sort a list *in place*. MUST be called with non-shared objects. */
5203 static void ListSortElements(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, int type
)
5205 typedef int (qsort_comparator
)(const void *, const void *);
5206 int (*fn
)(Jim_Obj
**, Jim_Obj
**);
5210 if (Jim_IsShared(listObjPtr
))
5211 Jim_Panic(interp
,"Jim_ListSortElements called with shared object");
5212 if (listObjPtr
->typePtr
!= &listObjType
)
5213 SetListFromAny(interp
, listObjPtr
);
5215 vector
= listObjPtr
->internalRep
.listValue
.ele
;
5216 len
= listObjPtr
->internalRep
.listValue
.len
;
5218 case JIM_LSORT_ASCII
: fn
= ListSortString
; break;
5219 case JIM_LSORT_NOCASE
: fn
= ListSortStringNoCase
; break;
5220 case JIM_LSORT_ASCII_DECR
: fn
= ListSortStringDecr
; break;
5221 case JIM_LSORT_NOCASE_DECR
: fn
= ListSortStringNoCaseDecr
; break;
5223 fn
= NULL
; /* avoid warning */
5224 Jim_Panic(interp
,"ListSort called with invalid sort type");
5226 qsort(vector
, len
, sizeof(Jim_Obj
*), (qsort_comparator
*)fn
);
5227 Jim_InvalidateStringRep(listObjPtr
);
5230 /* This is the low-level function to append an element to a list.
5231 * The higher-level Jim_ListAppendElement() performs shared object
5232 * check and invalidate the string repr. This version is used
5233 * in the internals of the List Object and is not exported.
5235 * NOTE: this function can be called only against objects
5236 * with internal type of List. */
5237 void ListAppendElement(Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5239 int requiredLen
= listPtr
->internalRep
.listValue
.len
+ 1;
5241 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5242 int maxLen
= requiredLen
* 2;
5244 listPtr
->internalRep
.listValue
.ele
=
5245 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5246 sizeof(Jim_Obj
*)*maxLen
);
5247 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5249 listPtr
->internalRep
.listValue
.ele
[listPtr
->internalRep
.listValue
.len
] =
5251 listPtr
->internalRep
.listValue
.len
++;
5252 Jim_IncrRefCount(objPtr
);
5255 /* This is the low-level function to insert elements into a list.
5256 * The higher-level Jim_ListInsertElements() performs shared object
5257 * check and invalidate the string repr. This version is used
5258 * in the internals of the List Object and is not exported.
5260 * NOTE: this function can be called only against objects
5261 * with internal type of List. */
5262 void ListInsertElements(Jim_Obj
*listPtr
, int index
, int elemc
,
5263 Jim_Obj
*const *elemVec
)
5265 int currentLen
= listPtr
->internalRep
.listValue
.len
;
5266 int requiredLen
= currentLen
+ elemc
;
5270 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5271 int maxLen
= requiredLen
* 2;
5273 listPtr
->internalRep
.listValue
.ele
=
5274 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5275 sizeof(Jim_Obj
*)*maxLen
);
5276 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5278 point
= listPtr
->internalRep
.listValue
.ele
+ index
;
5279 memmove(point
+elemc
, point
, (currentLen
-index
) * sizeof(Jim_Obj
*));
5280 for (i
=0; i
< elemc
; ++i
) {
5281 point
[i
] = elemVec
[i
];
5282 Jim_IncrRefCount(point
[i
]);
5284 listPtr
->internalRep
.listValue
.len
+= elemc
;
5287 /* Appends every element of appendListPtr into listPtr.
5288 * Both have to be of the list type. */
5289 void ListAppendList(Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5291 int i
, oldLen
= listPtr
->internalRep
.listValue
.len
;
5292 int appendLen
= appendListPtr
->internalRep
.listValue
.len
;
5293 int requiredLen
= oldLen
+ appendLen
;
5295 if (requiredLen
> listPtr
->internalRep
.listValue
.maxLen
) {
5296 int maxLen
= requiredLen
* 2;
5298 listPtr
->internalRep
.listValue
.ele
=
5299 Jim_Realloc(listPtr
->internalRep
.listValue
.ele
,
5300 sizeof(Jim_Obj
*)*maxLen
);
5301 listPtr
->internalRep
.listValue
.maxLen
= maxLen
;
5303 for (i
= 0; i
< appendLen
; i
++) {
5304 Jim_Obj
*objPtr
= appendListPtr
->internalRep
.listValue
.ele
[i
];
5305 listPtr
->internalRep
.listValue
.ele
[oldLen
+i
] = objPtr
;
5306 Jim_IncrRefCount(objPtr
);
5308 listPtr
->internalRep
.listValue
.len
+= appendLen
;
5311 void Jim_ListAppendElement(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*objPtr
)
5313 if (Jim_IsShared(listPtr
))
5314 Jim_Panic(interp
,"Jim_ListAppendElement called with shared object");
5315 if (listPtr
->typePtr
!= &listObjType
)
5316 SetListFromAny(interp
, listPtr
);
5317 Jim_InvalidateStringRep(listPtr
);
5318 ListAppendElement(listPtr
, objPtr
);
5321 void Jim_ListAppendList(Jim_Interp
*interp
, Jim_Obj
*listPtr
, Jim_Obj
*appendListPtr
)
5323 if (Jim_IsShared(listPtr
))
5324 Jim_Panic(interp
,"Jim_ListAppendList called with shared object");
5325 if (listPtr
->typePtr
!= &listObjType
)
5326 SetListFromAny(interp
, listPtr
);
5327 Jim_InvalidateStringRep(listPtr
);
5328 ListAppendList(listPtr
, appendListPtr
);
5331 void Jim_ListLength(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int *intPtr
)
5333 if (listPtr
->typePtr
!= &listObjType
)
5334 SetListFromAny(interp
, listPtr
);
5335 *intPtr
= listPtr
->internalRep
.listValue
.len
;
5338 void Jim_ListInsertElements(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5339 int objc
, Jim_Obj
*const *objVec
)
5341 if (Jim_IsShared(listPtr
))
5342 Jim_Panic(interp
,"Jim_ListInsertElement called with shared object");
5343 if (listPtr
->typePtr
!= &listObjType
)
5344 SetListFromAny(interp
, listPtr
);
5345 if (index
>= 0 && index
> listPtr
->internalRep
.listValue
.len
)
5346 index
= listPtr
->internalRep
.listValue
.len
;
5347 else if (index
< 0 )
5349 Jim_InvalidateStringRep(listPtr
);
5350 ListInsertElements(listPtr
, index
, objc
, objVec
);
5353 int Jim_ListIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5354 Jim_Obj
**objPtrPtr
, int flags
)
5356 if (listPtr
->typePtr
!= &listObjType
)
5357 SetListFromAny(interp
, listPtr
);
5358 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5359 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5360 if (flags
& JIM_ERRMSG
) {
5361 Jim_SetResultString(interp
,
5362 "list index out of range", -1);
5367 index
= listPtr
->internalRep
.listValue
.len
+index
;
5368 *objPtrPtr
= listPtr
->internalRep
.listValue
.ele
[index
];
5372 static int ListSetIndex(Jim_Interp
*interp
, Jim_Obj
*listPtr
, int index
,
5373 Jim_Obj
*newObjPtr
, int flags
)
5375 if (listPtr
->typePtr
!= &listObjType
)
5376 SetListFromAny(interp
, listPtr
);
5377 if ((index
>= 0 && index
>= listPtr
->internalRep
.listValue
.len
) ||
5378 (index
< 0 && (-index
-1) >= listPtr
->internalRep
.listValue
.len
)) {
5379 if (flags
& JIM_ERRMSG
) {
5380 Jim_SetResultString(interp
,
5381 "list index out of range", -1);
5386 index
= listPtr
->internalRep
.listValue
.len
+index
;
5387 Jim_DecrRefCount(interp
, listPtr
->internalRep
.listValue
.ele
[index
]);
5388 listPtr
->internalRep
.listValue
.ele
[index
] = newObjPtr
;
5389 Jim_IncrRefCount(newObjPtr
);
5393 /* Modify the list stored into the variable named 'varNamePtr'
5394 * setting the element specified by the 'indexc' indexes objects in 'indexv',
5395 * with the new element 'newObjptr'. */
5396 int Jim_SetListIndex(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5397 Jim_Obj
*const *indexv
, int indexc
, Jim_Obj
*newObjPtr
)
5399 Jim_Obj
*varObjPtr
, *objPtr
, *listObjPtr
;
5400 int shared
, i
, index
;
5402 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5405 if ((shared
= Jim_IsShared(objPtr
)))
5406 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5407 for (i
= 0; i
< indexc
-1; i
++) {
5408 listObjPtr
= objPtr
;
5409 if (Jim_GetIndex(interp
, indexv
[i
], &index
) != JIM_OK
)
5411 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
5412 JIM_ERRMSG
) != JIM_OK
) {
5415 if (Jim_IsShared(objPtr
)) {
5416 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5417 ListSetIndex(interp
, listObjPtr
, index
, objPtr
, JIM_NONE
);
5419 Jim_InvalidateStringRep(listObjPtr
);
5421 if (Jim_GetIndex(interp
, indexv
[indexc
-1], &index
) != JIM_OK
)
5423 if (ListSetIndex(interp
, objPtr
, index
, newObjPtr
, JIM_ERRMSG
) == JIM_ERR
)
5425 Jim_InvalidateStringRep(objPtr
);
5426 Jim_InvalidateStringRep(varObjPtr
);
5427 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5429 Jim_SetResult(interp
, varObjPtr
);
5433 Jim_FreeNewObj(interp
, varObjPtr
);
5438 Jim_Obj
*Jim_ConcatObj(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
5442 /* If all the objects in objv are lists without string rep.
5443 * it's possible to return a list as result, that's the
5444 * concatenation of all the lists. */
5445 for (i
= 0; i
< objc
; i
++) {
5446 if (objv
[i
]->typePtr
!= &listObjType
|| objv
[i
]->bytes
)
5450 Jim_Obj
*objPtr
= Jim_NewListObj(interp
, NULL
, 0);
5451 for (i
= 0; i
< objc
; i
++)
5452 Jim_ListAppendList(interp
, objPtr
, objv
[i
]);
5455 /* Else... we have to glue strings together */
5456 int len
= 0, objLen
;
5459 /* Compute the length */
5460 for (i
= 0; i
< objc
; i
++) {
5461 Jim_GetString(objv
[i
], &objLen
);
5464 if (objc
) len
+= objc
-1;
5465 /* Create the string rep, and a stinrg object holding it. */
5466 p
= bytes
= Jim_Alloc(len
+1);
5467 for (i
= 0; i
< objc
; i
++) {
5468 const char *s
= Jim_GetString(objv
[i
], &objLen
);
5469 while (objLen
&& (*s
== ' ' || *s
== '\t' || *s
== '\n'))
5471 s
++; objLen
--; len
--;
5473 while (objLen
&& (s
[objLen
-1] == ' ' ||
5474 s
[objLen
-1] == '\n' || s
[objLen
-1] == '\t')) {
5477 memcpy(p
, s
, objLen
);
5479 if (objLen
&& i
+1 != objc
) {
5481 } else if (i
+1 != objc
) {
5482 /* Drop the space calcuated for this
5483 * element that is instead null. */
5488 return Jim_NewStringObjNoAlloc(interp
, bytes
, len
);
5492 /* Returns a list composed of the elements in the specified range.
5493 * first and start are directly accepted as Jim_Objects and
5494 * processed for the end?-index? case. */
5495 Jim_Obj
*Jim_ListRange(Jim_Interp
*interp
, Jim_Obj
*listObjPtr
, Jim_Obj
*firstObjPtr
, Jim_Obj
*lastObjPtr
)
5500 if (Jim_GetIndex(interp
, firstObjPtr
, &first
) != JIM_OK
||
5501 Jim_GetIndex(interp
, lastObjPtr
, &last
) != JIM_OK
)
5503 Jim_ListLength(interp
, listObjPtr
, &len
); /* will convert into list */
5504 first
= JimRelToAbsIndex(len
, first
);
5505 last
= JimRelToAbsIndex(len
, last
);
5506 JimRelToAbsRange(len
, first
, last
, &first
, &last
, &rangeLen
);
5507 return Jim_NewListObj(interp
,
5508 listObjPtr
->internalRep
.listValue
.ele
+first
, rangeLen
);
5511 /* -----------------------------------------------------------------------------
5513 * ---------------------------------------------------------------------------*/
5514 static void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
5515 static void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
5516 static void UpdateStringOfDict(struct Jim_Obj
*objPtr
);
5517 static int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5519 /* Dict HashTable Type.
5521 * Keys and Values are Jim objects. */
5523 unsigned int JimObjectHTHashFunction(const void *key
)
5526 Jim_Obj
*objPtr
= (Jim_Obj
*) key
;
5529 str
= Jim_GetString(objPtr
, &len
);
5530 h
= Jim_GenHashFunction((unsigned char*)str
, len
);
5534 int JimObjectHTKeyCompare(void *privdata
, const void *key1
, const void *key2
)
5536 JIM_NOTUSED(privdata
);
5538 return Jim_StringEqObj((Jim_Obj
*)key1
, (Jim_Obj
*)key2
, 0);
5541 static void JimObjectHTKeyValDestructor(void *interp
, void *val
)
5543 Jim_Obj
*objPtr
= val
;
5545 Jim_DecrRefCount(interp
, objPtr
);
5548 static Jim_HashTableType JimDictHashTableType
= {
5549 JimObjectHTHashFunction
, /* hash function */
5552 JimObjectHTKeyCompare
, /* key compare */
5553 (void(*)(void*, const void*)) /* ATTENTION: const cast */
5554 JimObjectHTKeyValDestructor
, /* key destructor */
5555 JimObjectHTKeyValDestructor
/* val destructor */
5558 /* Note that while the elements of the dict may contain references,
5559 * the list object itself can't. This basically means that the
5560 * dict object string representation as a whole can't contain references
5561 * that are not presents in the single elements. */
5562 static Jim_ObjType dictObjType
= {
5564 FreeDictInternalRep
,
5570 void FreeDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
5572 JIM_NOTUSED(interp
);
5574 Jim_FreeHashTable(objPtr
->internalRep
.ptr
);
5575 Jim_Free(objPtr
->internalRep
.ptr
);
5578 void DupDictInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
5580 Jim_HashTable
*ht
, *dupHt
;
5581 Jim_HashTableIterator
*htiter
;
5584 /* Create a new hash table */
5585 ht
= srcPtr
->internalRep
.ptr
;
5586 dupHt
= Jim_Alloc(sizeof(*dupHt
));
5587 Jim_InitHashTable(dupHt
, &JimDictHashTableType
, interp
);
5589 Jim_ExpandHashTable(dupHt
, ht
->size
);
5590 /* Copy every element from the source to the dup hash table */
5591 htiter
= Jim_GetHashTableIterator(ht
);
5592 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5593 const Jim_Obj
*keyObjPtr
= he
->key
;
5594 Jim_Obj
*valObjPtr
= he
->val
;
5596 Jim_IncrRefCount((Jim_Obj
*)keyObjPtr
); /* ATTENTION: const cast */
5597 Jim_IncrRefCount(valObjPtr
);
5598 Jim_AddHashEntry(dupHt
, keyObjPtr
, valObjPtr
);
5600 Jim_FreeHashTableIterator(htiter
);
5602 dupPtr
->internalRep
.ptr
= dupHt
;
5603 dupPtr
->typePtr
= &dictObjType
;
5606 void UpdateStringOfDict(struct Jim_Obj
*objPtr
)
5608 int i
, bufLen
, realLength
;
5611 int *quotingType
, objc
;
5613 Jim_HashTableIterator
*htiter
;
5617 /* Trun the hash table into a flat vector of Jim_Objects. */
5618 ht
= objPtr
->internalRep
.ptr
;
5620 objv
= Jim_Alloc(objc
*sizeof(Jim_Obj
*));
5621 htiter
= Jim_GetHashTableIterator(ht
);
5623 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
5624 objv
[i
++] = (Jim_Obj
*)he
->key
; /* ATTENTION: const cast */
5625 objv
[i
++] = he
->val
;
5627 Jim_FreeHashTableIterator(htiter
);
5628 /* (Over) Estimate the space needed. */
5629 quotingType
= Jim_Alloc(sizeof(int)*objc
);
5631 for (i
= 0; i
< objc
; i
++) {
5634 strRep
= Jim_GetString(objv
[i
], &len
);
5635 quotingType
[i
] = ListElementQuotingType(strRep
, len
);
5636 switch (quotingType
[i
]) {
5637 case JIM_ELESTR_SIMPLE
: bufLen
+= len
; break;
5638 case JIM_ELESTR_BRACE
: bufLen
+= len
+2; break;
5639 case JIM_ELESTR_QUOTE
: bufLen
+= len
*2; break;
5641 bufLen
++; /* elements separator. */
5645 /* Generate the string rep. */
5646 p
= objPtr
->bytes
= Jim_Alloc(bufLen
+1);
5648 for (i
= 0; i
< objc
; i
++) {
5650 const char *strRep
= Jim_GetString(objv
[i
], &len
);
5653 switch(quotingType
[i
]) {
5654 case JIM_ELESTR_SIMPLE
:
5655 memcpy(p
, strRep
, len
);
5659 case JIM_ELESTR_BRACE
:
5661 memcpy(p
, strRep
, len
);
5664 realLength
+= len
+2;
5666 case JIM_ELESTR_QUOTE
:
5667 q
= BackslashQuoteString(strRep
, len
, &qlen
);
5674 /* Add a separating space */
5680 *p
= '\0'; /* nul term. */
5681 objPtr
->length
= realLength
;
5682 Jim_Free(quotingType
);
5686 int SetDictFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
5688 struct JimParserCtx parser
;
5694 /* Get the string representation */
5695 str
= Jim_GetString(objPtr
, &strLen
);
5697 /* Free the old internal repr just now and initialize the
5698 * new one just now. The string->list conversion can't fail. */
5699 Jim_FreeIntRep(interp
, objPtr
);
5700 ht
= Jim_Alloc(sizeof(*ht
));
5701 Jim_InitHashTable(ht
, &JimDictHashTableType
, interp
);
5702 objPtr
->typePtr
= &dictObjType
;
5703 objPtr
->internalRep
.ptr
= ht
;
5705 /* Convert into a dict */
5706 JimParserInit(&parser
, str
, strLen
, 1);
5708 while(!JimParserEof(&parser
)) {
5712 JimParseList(&parser
);
5713 if (JimParserTtype(&parser
) != JIM_TT_STR
&&
5714 JimParserTtype(&parser
) != JIM_TT_ESC
)
5716 token
= JimParserGetToken(&parser
, &tokenLen
, &type
, NULL
);
5717 objv
[i
++] = Jim_NewStringObjNoAlloc(interp
, token
, tokenLen
);
5720 Jim_IncrRefCount(objv
[0]);
5721 Jim_IncrRefCount(objv
[1]);
5722 if (Jim_AddHashEntry(ht
, objv
[0], objv
[1]) != JIM_OK
) {
5724 he
= Jim_FindHashEntry(ht
, objv
[0]);
5725 Jim_DecrRefCount(interp
, objv
[0]);
5726 /* ATTENTION: const cast */
5727 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5733 Jim_FreeNewObj(interp
, objv
[0]);
5734 objPtr
->typePtr
= NULL
;
5735 Jim_FreeHashTable(ht
);
5736 Jim_SetResultString(interp
, "invalid dictionary value: must be a list with an even number of elements", -1);
5742 /* Dict object API */
5744 /* Add an element to a dict. objPtr must be of the "dict" type.
5745 * The higer-level exported function is Jim_DictAddElement().
5746 * If an element with the specified key already exists, the value
5747 * associated is replaced with the new one.
5749 * if valueObjPtr == NULL, the key is instead removed if it exists. */
5750 static void DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5751 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5753 Jim_HashTable
*ht
= objPtr
->internalRep
.ptr
;
5755 if (valueObjPtr
== NULL
) { /* unset */
5756 Jim_DeleteHashEntry(ht
, keyObjPtr
);
5759 Jim_IncrRefCount(keyObjPtr
);
5760 Jim_IncrRefCount(valueObjPtr
);
5761 if (Jim_AddHashEntry(ht
, keyObjPtr
, valueObjPtr
) != JIM_OK
) {
5762 Jim_HashEntry
*he
= Jim_FindHashEntry(ht
, keyObjPtr
);
5763 Jim_DecrRefCount(interp
, keyObjPtr
);
5764 /* ATTENTION: const cast */
5765 Jim_DecrRefCount(interp
, (Jim_Obj
*)he
->val
);
5766 he
->val
= valueObjPtr
;
5770 /* Add an element, higher-level interface for DictAddElement().
5771 * If valueObjPtr == NULL, the key is removed if it exists. */
5772 int Jim_DictAddElement(Jim_Interp
*interp
, Jim_Obj
*objPtr
,
5773 Jim_Obj
*keyObjPtr
, Jim_Obj
*valueObjPtr
)
5775 if (Jim_IsShared(objPtr
))
5776 Jim_Panic(interp
,"Jim_DictAddElement called with shared object");
5777 if (objPtr
->typePtr
!= &dictObjType
) {
5778 if (SetDictFromAny(interp
, objPtr
) != JIM_OK
)
5781 DictAddElement(interp
, objPtr
, keyObjPtr
, valueObjPtr
);
5782 Jim_InvalidateStringRep(objPtr
);
5786 Jim_Obj
*Jim_NewDictObj(Jim_Interp
*interp
, Jim_Obj
*const *elements
, int len
)
5792 Jim_Panic(interp
,"Jim_NewDicObj() 'len' argument must be even");
5794 objPtr
= Jim_NewObj(interp
);
5795 objPtr
->typePtr
= &dictObjType
;
5796 objPtr
->bytes
= NULL
;
5797 objPtr
->internalRep
.ptr
= Jim_Alloc(sizeof(Jim_HashTable
));
5798 Jim_InitHashTable(objPtr
->internalRep
.ptr
, &JimDictHashTableType
, interp
);
5799 for (i
= 0; i
< len
; i
+= 2)
5800 DictAddElement(interp
, objPtr
, elements
[i
], elements
[i
+1]);
5804 /* Return the value associated to the specified dict key */
5805 int Jim_DictKey(Jim_Interp
*interp
, Jim_Obj
*dictPtr
, Jim_Obj
*keyPtr
,
5806 Jim_Obj
**objPtrPtr
, int flags
)
5811 if (dictPtr
->typePtr
!= &dictObjType
) {
5812 if (SetDictFromAny(interp
, dictPtr
) != JIM_OK
)
5815 ht
= dictPtr
->internalRep
.ptr
;
5816 if ((he
= Jim_FindHashEntry(ht
, keyPtr
)) == NULL
) {
5817 if (flags
& JIM_ERRMSG
) {
5818 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
5819 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
5820 "key \"", Jim_GetString(keyPtr
, NULL
),
5821 "\" not found in dictionary", NULL
);
5825 *objPtrPtr
= he
->val
;
5829 /* Return the value associated to the specified dict keys */
5830 int Jim_DictKeysVector(Jim_Interp
*interp
, Jim_Obj
*dictPtr
,
5831 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
**objPtrPtr
, int flags
)
5837 *objPtrPtr
= dictPtr
;
5841 for (i
= 0; i
< keyc
; i
++) {
5842 if (Jim_DictKey(interp
, dictPtr
, keyv
[i
], &objPtr
, flags
)
5847 *objPtrPtr
= objPtr
;
5851 /* Modify the dict stored into the variable named 'varNamePtr'
5852 * setting the element specified by the 'keyc' keys objects in 'keyv',
5853 * with the new value of the element 'newObjPtr'.
5855 * If newObjPtr == NULL the operation is to remove the given key
5856 * from the dictionary. */
5857 int Jim_SetDictKeysVector(Jim_Interp
*interp
, Jim_Obj
*varNamePtr
,
5858 Jim_Obj
*const *keyv
, int keyc
, Jim_Obj
*newObjPtr
)
5860 Jim_Obj
*varObjPtr
, *objPtr
, *dictObjPtr
;
5863 varObjPtr
= objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
5864 if (objPtr
== NULL
) {
5865 if (newObjPtr
== NULL
) /* Cannot remove a key from non existing var */
5867 varObjPtr
= objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5868 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
5869 Jim_FreeNewObj(interp
, varObjPtr
);
5873 if ((shared
= Jim_IsShared(objPtr
)))
5874 varObjPtr
= objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5875 for (i
= 0; i
< keyc
-1; i
++) {
5876 dictObjPtr
= objPtr
;
5878 /* Check if it's a valid dictionary */
5879 if (dictObjPtr
->typePtr
!= &dictObjType
) {
5880 if (SetDictFromAny(interp
, dictObjPtr
) != JIM_OK
)
5883 /* Check if the given key exists. */
5884 Jim_InvalidateStringRep(dictObjPtr
);
5885 if (Jim_DictKey(interp
, dictObjPtr
, keyv
[i
], &objPtr
,
5886 newObjPtr
? JIM_NONE
: JIM_ERRMSG
) == JIM_OK
)
5888 /* This key exists at the current level.
5889 * Make sure it's not shared!. */
5890 if (Jim_IsShared(objPtr
)) {
5891 objPtr
= Jim_DuplicateObj(interp
, objPtr
);
5892 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5895 /* Key not found. If it's an [unset] operation
5896 * this is an error. Only the last key may not
5898 if (newObjPtr
== NULL
)
5900 /* Otherwise set an empty dictionary
5901 * as key's value. */
5902 objPtr
= Jim_NewDictObj(interp
, NULL
, 0);
5903 DictAddElement(interp
, dictObjPtr
, keyv
[i
], objPtr
);
5906 if (Jim_DictAddElement(interp
, objPtr
, keyv
[keyc
-1], newObjPtr
)
5909 Jim_InvalidateStringRep(objPtr
);
5910 Jim_InvalidateStringRep(varObjPtr
);
5911 if (Jim_SetVariable(interp
, varNamePtr
, varObjPtr
) != JIM_OK
)
5913 Jim_SetResult(interp
, varObjPtr
);
5917 Jim_FreeNewObj(interp
, varObjPtr
);
5922 /* -----------------------------------------------------------------------------
5924 * ---------------------------------------------------------------------------*/
5925 static void UpdateStringOfIndex(struct Jim_Obj
*objPtr
);
5926 static int SetIndexFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
5928 static Jim_ObjType indexObjType
= {
5932 UpdateStringOfIndex
,
5936 void UpdateStringOfIndex(struct Jim_Obj
*objPtr
)
5939 char buf
[JIM_INTEGER_SPACE
+1];
5941 if (objPtr
->internalRep
.indexValue
>= 0)
5942 len
= sprintf(buf
, "%d", objPtr
->internalRep
.indexValue
);
5943 else if (objPtr
->internalRep
.indexValue
== -1)
5944 len
= sprintf(buf
, "end");
5946 len
= sprintf(buf
, "end%d", objPtr
->internalRep
.indexValue
+1);
5948 objPtr
->bytes
= Jim_Alloc(len
+1);
5949 memcpy(objPtr
->bytes
, buf
, len
+1);
5950 objPtr
->length
= len
;
5953 int SetIndexFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
5958 /* Get the string representation */
5959 str
= Jim_GetString(objPtr
, NULL
);
5960 /* Try to convert into an index */
5961 if (!strcmp(str
, "end")) {
5965 if (!strncmp(str
, "end-", 4)) {
5969 if (Jim_StringToIndex(str
, &index
) != JIM_OK
) {
5970 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
5971 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
5972 "bad index \"", Jim_GetString(objPtr
, NULL
), "\": "
5973 "must be integer or end?-integer?", NULL
);
5982 } else if (!end
&& index
< 0)
5984 /* Free the old internal repr and set the new one. */
5985 Jim_FreeIntRep(interp
, objPtr
);
5986 objPtr
->typePtr
= &indexObjType
;
5987 objPtr
->internalRep
.indexValue
= index
;
5991 int Jim_GetIndex(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *indexPtr
)
5993 /* Avoid shimmering if the object is an integer. */
5994 if (objPtr
->typePtr
== &intObjType
) {
5995 jim_wide val
= objPtr
->internalRep
.wideValue
;
5996 if (!(val
< LONG_MIN
) && !(val
> LONG_MAX
)) {
5997 *indexPtr
= (val
< 0) ? -INT_MAX
: (long)val
;;
6001 if (objPtr
->typePtr
!= &indexObjType
&&
6002 SetIndexFromAny(interp
, objPtr
) == JIM_ERR
)
6004 *indexPtr
= objPtr
->internalRep
.indexValue
;
6008 /* -----------------------------------------------------------------------------
6009 * Return Code Object.
6010 * ---------------------------------------------------------------------------*/
6012 static int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6014 static Jim_ObjType returnCodeObjType
= {
6022 int SetReturnCodeFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6025 int strLen
, returnCode
;
6028 /* Get the string representation */
6029 str
= Jim_GetString(objPtr
, &strLen
);
6030 /* Try to convert into an integer */
6031 if (JimGetWideNoErr(interp
, objPtr
, &wideValue
) != JIM_ERR
)
6032 returnCode
= (int) wideValue
;
6033 else if (!JimStringCompare(str
, strLen
, "ok", 2, JIM_NOCASE
))
6034 returnCode
= JIM_OK
;
6035 else if (!JimStringCompare(str
, strLen
, "error", 5, JIM_NOCASE
))
6036 returnCode
= JIM_ERR
;
6037 else if (!JimStringCompare(str
, strLen
, "return", 6, JIM_NOCASE
))
6038 returnCode
= JIM_RETURN
;
6039 else if (!JimStringCompare(str
, strLen
, "break", 5, JIM_NOCASE
))
6040 returnCode
= JIM_BREAK
;
6041 else if (!JimStringCompare(str
, strLen
, "continue", 8, JIM_NOCASE
))
6042 returnCode
= JIM_CONTINUE
;
6043 else if (!JimStringCompare(str
, strLen
, "eval", 4, JIM_NOCASE
))
6044 returnCode
= JIM_EVAL
;
6045 else if (!JimStringCompare(str
, strLen
, "exit", 4, JIM_NOCASE
))
6046 returnCode
= JIM_EXIT
;
6048 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
6049 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
6050 "expected return code but got '", str
, "'",
6054 /* Free the old internal repr and set the new one. */
6055 Jim_FreeIntRep(interp
, objPtr
);
6056 objPtr
->typePtr
= &returnCodeObjType
;
6057 objPtr
->internalRep
.returnCode
= returnCode
;
6061 int Jim_GetReturnCode(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int *intPtr
)
6063 if (objPtr
->typePtr
!= &returnCodeObjType
&&
6064 SetReturnCodeFromAny(interp
, objPtr
) == JIM_ERR
)
6066 *intPtr
= objPtr
->internalRep
.returnCode
;
6070 /* -----------------------------------------------------------------------------
6071 * Expression Parsing
6072 * ---------------------------------------------------------------------------*/
6073 static int JimParseExprOperator(struct JimParserCtx
*pc
);
6074 static int JimParseExprNumber(struct JimParserCtx
*pc
);
6075 static int JimParseExprIrrational(struct JimParserCtx
*pc
);
6077 /* Exrp's Stack machine operators opcodes. */
6079 /* Binary operators (numbers) */
6080 #define JIM_EXPROP_BINARY_NUM_FIRST 0 /* first */
6081 #define JIM_EXPROP_MUL 0
6082 #define JIM_EXPROP_DIV 1
6083 #define JIM_EXPROP_MOD 2
6084 #define JIM_EXPROP_SUB 3
6085 #define JIM_EXPROP_ADD 4
6086 #define JIM_EXPROP_LSHIFT 5
6087 #define JIM_EXPROP_RSHIFT 6
6088 #define JIM_EXPROP_ROTL 7
6089 #define JIM_EXPROP_ROTR 8
6090 #define JIM_EXPROP_LT 9
6091 #define JIM_EXPROP_GT 10
6092 #define JIM_EXPROP_LTE 11
6093 #define JIM_EXPROP_GTE 12
6094 #define JIM_EXPROP_NUMEQ 13
6095 #define JIM_EXPROP_NUMNE 14
6096 #define JIM_EXPROP_BITAND 15
6097 #define JIM_EXPROP_BITXOR 16
6098 #define JIM_EXPROP_BITOR 17
6099 #define JIM_EXPROP_LOGICAND 18
6100 #define JIM_EXPROP_LOGICOR 19
6101 #define JIM_EXPROP_LOGICAND_LEFT 20
6102 #define JIM_EXPROP_LOGICOR_LEFT 21
6103 #define JIM_EXPROP_POW 22
6104 #define JIM_EXPROP_BINARY_NUM_LAST 22 /* last */
6106 /* Binary operators (strings) */
6107 #define JIM_EXPROP_STREQ 23
6108 #define JIM_EXPROP_STRNE 24
6110 /* Unary operators (numbers) */
6111 #define JIM_EXPROP_NOT 25
6112 #define JIM_EXPROP_BITNOT 26
6113 #define JIM_EXPROP_UNARYMINUS 27
6114 #define JIM_EXPROP_UNARYPLUS 28
6115 #define JIM_EXPROP_LOGICAND_RIGHT 29
6116 #define JIM_EXPROP_LOGICOR_RIGHT 30
6118 /* Ternary operators */
6119 #define JIM_EXPROP_TERNARY 31
6122 #define JIM_EXPROP_NUMBER 32
6123 #define JIM_EXPROP_COMMAND 33
6124 #define JIM_EXPROP_VARIABLE 34
6125 #define JIM_EXPROP_DICTSUGAR 35
6126 #define JIM_EXPROP_SUBST 36
6127 #define JIM_EXPROP_STRING 37
6129 /* Operators table */
6130 typedef struct Jim_ExprOperator
{
6137 /* name - precedence - arity - opcode */
6138 static struct Jim_ExprOperator Jim_ExprOperators
[] = {
6139 {"!", 300, 1, JIM_EXPROP_NOT
},
6140 {"~", 300, 1, JIM_EXPROP_BITNOT
},
6141 {"unarymin", 300, 1, JIM_EXPROP_UNARYMINUS
},
6142 {"unaryplus", 300, 1, JIM_EXPROP_UNARYPLUS
},
6144 {"**", 250, 2, JIM_EXPROP_POW
},
6146 {"*", 200, 2, JIM_EXPROP_MUL
},
6147 {"/", 200, 2, JIM_EXPROP_DIV
},
6148 {"%", 200, 2, JIM_EXPROP_MOD
},
6150 {"-", 100, 2, JIM_EXPROP_SUB
},
6151 {"+", 100, 2, JIM_EXPROP_ADD
},
6153 {"<<<", 90, 3, JIM_EXPROP_ROTL
},
6154 {">>>", 90, 3, JIM_EXPROP_ROTR
},
6155 {"<<", 90, 2, JIM_EXPROP_LSHIFT
},
6156 {">>", 90, 2, JIM_EXPROP_RSHIFT
},
6158 {"<", 80, 2, JIM_EXPROP_LT
},
6159 {">", 80, 2, JIM_EXPROP_GT
},
6160 {"<=", 80, 2, JIM_EXPROP_LTE
},
6161 {">=", 80, 2, JIM_EXPROP_GTE
},
6163 {"==", 70, 2, JIM_EXPROP_NUMEQ
},
6164 {"!=", 70, 2, JIM_EXPROP_NUMNE
},
6166 {"eq", 60, 2, JIM_EXPROP_STREQ
},
6167 {"ne", 60, 2, JIM_EXPROP_STRNE
},
6169 {"&", 50, 2, JIM_EXPROP_BITAND
},
6170 {"^", 49, 2, JIM_EXPROP_BITXOR
},
6171 {"|", 48, 2, JIM_EXPROP_BITOR
},
6173 {"&&", 10, 2, JIM_EXPROP_LOGICAND
},
6174 {"||", 10, 2, JIM_EXPROP_LOGICOR
},
6176 {"?", 5, 3, JIM_EXPROP_TERNARY
},
6177 /* private operators */
6178 {NULL
, 10, 2, JIM_EXPROP_LOGICAND_LEFT
},
6179 {NULL
, 10, 1, JIM_EXPROP_LOGICAND_RIGHT
},
6180 {NULL
, 10, 2, JIM_EXPROP_LOGICOR_LEFT
},
6181 {NULL
, 10, 1, JIM_EXPROP_LOGICOR_RIGHT
},
6184 #define JIM_EXPR_OPERATORS_NUM \
6185 (sizeof(Jim_ExprOperators)/sizeof(struct Jim_ExprOperator))
6187 int JimParseExpression(struct JimParserCtx
*pc
)
6189 /* Discard spaces and quoted newline */
6190 while(*(pc
->p
) == ' ' ||
6194 (*(pc
->p
) == '\\' && *(pc
->p
+1) == '\n')) {
6199 pc
->tstart
= pc
->tend
= pc
->p
;
6200 pc
->tline
= pc
->linenr
;
6201 pc
->tt
= JIM_TT_EOL
;
6207 pc
->tstart
= pc
->tend
= pc
->p
;
6208 pc
->tline
= pc
->linenr
;
6209 pc
->tt
= JIM_TT_SUBEXPR_START
;
6213 pc
->tstart
= pc
->tend
= pc
->p
;
6214 pc
->tline
= pc
->linenr
;
6215 pc
->tt
= JIM_TT_SUBEXPR_END
;
6219 return JimParseCmd(pc
);
6222 if (JimParseVar(pc
) == JIM_ERR
)
6223 return JimParseExprOperator(pc
);
6228 if ((pc
->tt
== JIM_TT_NONE
|| pc
->tt
== JIM_TT_EXPR_OPERATOR
) &&
6229 isdigit((int)*(pc
->p
+1)))
6230 return JimParseExprNumber(pc
);
6232 return JimParseExprOperator(pc
);
6234 case '0': case '1': case '2': case '3': case '4':
6235 case '5': case '6': case '7': case '8': case '9': case '.':
6236 return JimParseExprNumber(pc
);
6240 /* Here it's possible to reuse the List String parsing. */
6241 pc
->tt
= JIM_TT_NONE
; /* Make sure it's sensed as a new word. */
6242 return JimParseListStr(pc
);
6246 if (JimParseExprIrrational(pc
) == JIM_ERR
)
6247 return JimParseExprOperator(pc
);
6250 return JimParseExprOperator(pc
);
6256 int JimParseExprNumber(struct JimParserCtx
*pc
)
6262 pc
->tline
= pc
->linenr
;
6263 if (*pc
->p
== '-') {
6266 while ( isdigit((int)*pc
->p
)
6267 || (allowhex
&& isxdigit((int)*pc
->p
) )
6268 || (allowdot
&& *pc
->p
== '.')
6269 || (pc
->p
-pc
->tstart
== 1 && *pc
->tstart
== '0' &&
6270 (*pc
->p
== 'x' || *pc
->p
== 'X'))
6273 if ((*pc
->p
== 'x') || (*pc
->p
== 'X')) {
6280 if (!allowdot
&& *pc
->p
== 'e' && *(pc
->p
+1) == '-') {
6281 pc
->p
+= 2; pc
->len
-= 2;
6285 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6289 int JimParseExprIrrational(struct JimParserCtx
*pc
)
6291 const char *Tokens
[] = {"NaN", "nan", "NAN", "Inf", "inf", "INF", NULL
};
6293 for (token
= Tokens
; *token
!= NULL
; token
++) {
6294 int len
= strlen(*token
);
6295 if (strncmp(*token
, pc
->p
, len
) == 0) {
6297 pc
->tend
= pc
->p
+ len
- 1;
6298 pc
->p
+= len
; pc
->len
-= len
;
6299 pc
->tline
= pc
->linenr
;
6300 pc
->tt
= JIM_TT_EXPR_NUMBER
;
6307 int JimParseExprOperator(struct JimParserCtx
*pc
)
6310 int bestIdx
= -1, bestLen
= 0;
6312 /* Try to get the longest match. */
6313 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++) {
6317 opname
= Jim_ExprOperators
[i
].name
;
6318 if (opname
== NULL
) continue;
6319 oplen
= strlen(opname
);
6321 if (strncmp(opname
, pc
->p
, oplen
) == 0 && oplen
> bestLen
) {
6326 if (bestIdx
== -1) return JIM_ERR
;
6328 pc
->tend
= pc
->p
+ bestLen
- 1;
6329 pc
->p
+= bestLen
; pc
->len
-= bestLen
;
6330 pc
->tline
= pc
->linenr
;
6331 pc
->tt
= JIM_TT_EXPR_OPERATOR
;
6335 struct Jim_ExprOperator
*JimExprOperatorInfo(const char *opname
)
6338 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6339 if (Jim_ExprOperators
[i
].name
&&
6340 strcmp(opname
, Jim_ExprOperators
[i
].name
) == 0)
6341 return &Jim_ExprOperators
[i
];
6345 struct Jim_ExprOperator
*JimExprOperatorInfoByOpcode(int opcode
)
6348 for (i
= 0; i
< (signed)JIM_EXPR_OPERATORS_NUM
; i
++)
6349 if (Jim_ExprOperators
[i
].opcode
== opcode
)
6350 return &Jim_ExprOperators
[i
];
6354 /* -----------------------------------------------------------------------------
6356 * ---------------------------------------------------------------------------*/
6357 static void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
6358 static void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
6359 static int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
);
6361 static Jim_ObjType exprObjType
= {
6363 FreeExprInternalRep
,
6366 JIM_TYPE_REFERENCES
,
6369 /* Expr bytecode structure */
6370 typedef struct ExprByteCode
{
6371 int *opcode
; /* Integer array of opcodes. */
6372 Jim_Obj
**obj
; /* Array of associated Jim Objects. */
6373 int len
; /* Bytecode length */
6374 int inUse
; /* Used for sharing. */
6377 void FreeExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6380 ExprByteCode
*expr
= (void*) objPtr
->internalRep
.ptr
;
6383 if (expr
->inUse
!= 0) return;
6384 for (i
= 0; i
< expr
->len
; i
++)
6385 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6386 Jim_Free(expr
->opcode
);
6387 Jim_Free(expr
->obj
);
6391 void DupExprInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
6393 JIM_NOTUSED(interp
);
6394 JIM_NOTUSED(srcPtr
);
6396 /* Just returns an simple string. */
6397 dupPtr
->typePtr
= NULL
;
6400 /* Add a new instruction to an expression bytecode structure. */
6401 static void ExprObjAddInstr(Jim_Interp
*interp
, ExprByteCode
*expr
,
6402 int opcode
, char *str
, int len
)
6404 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+1));
6405 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+1));
6406 expr
->opcode
[expr
->len
] = opcode
;
6407 expr
->obj
[expr
->len
] = Jim_NewStringObjNoAlloc(interp
, str
, len
);
6408 Jim_IncrRefCount(expr
->obj
[expr
->len
]);
6412 /* Check if an expr program looks correct. */
6413 static int ExprCheckCorrectness(ExprByteCode
*expr
)
6418 /* Try to check if there are stack underflows,
6419 * and make sure at the end of the program there is
6420 * a single result on the stack. */
6421 for (i
= 0; i
< expr
->len
; i
++) {
6422 switch(expr
->opcode
[i
]) {
6423 case JIM_EXPROP_NUMBER
:
6424 case JIM_EXPROP_STRING
:
6425 case JIM_EXPROP_SUBST
:
6426 case JIM_EXPROP_VARIABLE
:
6427 case JIM_EXPROP_DICTSUGAR
:
6428 case JIM_EXPROP_COMMAND
:
6431 case JIM_EXPROP_NOT
:
6432 case JIM_EXPROP_BITNOT
:
6433 case JIM_EXPROP_UNARYMINUS
:
6434 case JIM_EXPROP_UNARYPLUS
:
6435 /* Unary operations */
6436 if (stacklen
< 1) return JIM_ERR
;
6438 case JIM_EXPROP_ADD
:
6439 case JIM_EXPROP_SUB
:
6440 case JIM_EXPROP_MUL
:
6441 case JIM_EXPROP_DIV
:
6442 case JIM_EXPROP_MOD
:
6445 case JIM_EXPROP_LTE
:
6446 case JIM_EXPROP_GTE
:
6447 case JIM_EXPROP_ROTL
:
6448 case JIM_EXPROP_ROTR
:
6449 case JIM_EXPROP_LSHIFT
:
6450 case JIM_EXPROP_RSHIFT
:
6451 case JIM_EXPROP_NUMEQ
:
6452 case JIM_EXPROP_NUMNE
:
6453 case JIM_EXPROP_STREQ
:
6454 case JIM_EXPROP_STRNE
:
6455 case JIM_EXPROP_BITAND
:
6456 case JIM_EXPROP_BITXOR
:
6457 case JIM_EXPROP_BITOR
:
6458 case JIM_EXPROP_LOGICAND
:
6459 case JIM_EXPROP_LOGICOR
:
6460 case JIM_EXPROP_POW
:
6461 /* binary operations */
6462 if (stacklen
< 2) return JIM_ERR
;
6466 Jim_Panic(NULL
,"Default opcode reached ExprCheckCorrectness");
6470 if (stacklen
!= 1) return JIM_ERR
;
6474 static void ExprShareLiterals(Jim_Interp
*interp
, ExprByteCode
*expr
,
6475 ScriptObj
*topLevelScript
)
6480 for (i
= 0; i
< expr
->len
; i
++) {
6481 Jim_Obj
*foundObjPtr
;
6483 if (expr
->obj
[i
] == NULL
) continue;
6484 foundObjPtr
= ScriptSearchLiteral(interp
, topLevelScript
,
6485 NULL
, expr
->obj
[i
]);
6486 if (foundObjPtr
!= NULL
) {
6487 Jim_IncrRefCount(foundObjPtr
);
6488 Jim_DecrRefCount(interp
, expr
->obj
[i
]);
6489 expr
->obj
[i
] = foundObjPtr
;
6494 /* This procedure converts every occurrence of || and && opereators
6495 * in lazy unary versions.
6497 * a b || is converted into:
6499 * a <offset> |L b |R
6501 * a b && is converted into:
6503 * a <offset> &L b &R
6505 * "|L" checks if 'a' is true:
6506 * 1) if it is true pushes 1 and skips <offset> istructions to reach
6507 * the opcode just after |R.
6508 * 2) if it is false does nothing.
6509 * "|R" checks if 'b' is true:
6510 * 1) if it is true pushes 1, otherwise pushes 0.
6512 * "&L" checks if 'a' is true:
6513 * 1) if it is true does nothing.
6514 * 2) If it is false pushes 0 and skips <offset> istructions to reach
6515 * the opcode just after &R
6516 * "&R" checks if 'a' is true:
6517 * if it is true pushes 1, otherwise pushes 0.
6519 static void ExprMakeLazy(Jim_Interp
*interp
, ExprByteCode
*expr
)
6522 int index
= -1, leftindex
, arity
, i
, offset
;
6523 Jim_ExprOperator
*op
;
6525 /* Search for || or && */
6526 for (i
= 0; i
< expr
->len
; i
++) {
6527 if (expr
->opcode
[i
] == JIM_EXPROP_LOGICAND
||
6528 expr
->opcode
[i
] == JIM_EXPROP_LOGICOR
) {
6533 if (index
== -1) return;
6534 /* Search for the end of the first operator */
6535 leftindex
= index
-1;
6538 switch(expr
->opcode
[leftindex
]) {
6539 case JIM_EXPROP_NUMBER
:
6540 case JIM_EXPROP_COMMAND
:
6541 case JIM_EXPROP_VARIABLE
:
6542 case JIM_EXPROP_DICTSUGAR
:
6543 case JIM_EXPROP_SUBST
:
6544 case JIM_EXPROP_STRING
:
6547 op
= JimExprOperatorInfoByOpcode(expr
->opcode
[i
]);
6549 Jim_Panic(interp
,"Default reached in ExprMakeLazy()");
6558 expr
->opcode
= Jim_Realloc(expr
->opcode
, sizeof(int)*(expr
->len
+2));
6559 expr
->obj
= Jim_Realloc(expr
->obj
, sizeof(Jim_Obj
*)*(expr
->len
+2));
6560 memmove(&expr
->opcode
[leftindex
+2], &expr
->opcode
[leftindex
],
6561 sizeof(int)*(expr
->len
-leftindex
));
6562 memmove(&expr
->obj
[leftindex
+2], &expr
->obj
[leftindex
],
6563 sizeof(Jim_Obj
*)*(expr
->len
-leftindex
));
6566 offset
= (index
-leftindex
)-1;
6567 Jim_DecrRefCount(interp
, expr
->obj
[index
]);
6568 if (expr
->opcode
[index
] == JIM_EXPROP_LOGICAND
) {
6569 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICAND_LEFT
;
6570 expr
->opcode
[index
] = JIM_EXPROP_LOGICAND_RIGHT
;
6571 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "&L", -1);
6572 expr
->obj
[index
] = Jim_NewStringObj(interp
, "&R", -1);
6574 expr
->opcode
[leftindex
+1] = JIM_EXPROP_LOGICOR_LEFT
;
6575 expr
->opcode
[index
] = JIM_EXPROP_LOGICOR_RIGHT
;
6576 expr
->obj
[leftindex
+1] = Jim_NewStringObj(interp
, "|L", -1);
6577 expr
->obj
[index
] = Jim_NewStringObj(interp
, "|R", -1);
6579 expr
->opcode
[leftindex
] = JIM_EXPROP_NUMBER
;
6580 expr
->obj
[leftindex
] = Jim_NewIntObj(interp
, offset
);
6581 Jim_IncrRefCount(expr
->obj
[index
]);
6582 Jim_IncrRefCount(expr
->obj
[leftindex
]);
6583 Jim_IncrRefCount(expr
->obj
[leftindex
+1]);
6587 /* This method takes the string representation of an expression
6588 * and generates a program for the Expr's stack-based VM. */
6589 int SetExprFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
)
6592 const char *exprText
= Jim_GetString(objPtr
, &exprTextLen
);
6593 struct JimParserCtx parser
;
6594 int i
, shareLiterals
;
6595 ExprByteCode
*expr
= Jim_Alloc(sizeof(*expr
));
6597 Jim_ExprOperator
*op
;
6599 /* Perform literal sharing with the current procedure
6600 * running only if this expression appears to be not generated
6602 shareLiterals
= objPtr
->typePtr
== &sourceObjType
;
6604 expr
->opcode
= NULL
;
6609 Jim_InitStack(&stack
);
6610 JimParserInit(&parser
, exprText
, exprTextLen
, 1);
6611 while(!JimParserEof(&parser
)) {
6615 if (JimParseExpression(&parser
) != JIM_OK
) {
6616 Jim_SetResultString(interp
, "Syntax error in expression", -1);
6619 token
= JimParserGetToken(&parser
, &len
, &type
, NULL
);
6620 if (type
== JIM_TT_EOL
) {
6626 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_STRING
, token
, len
);
6629 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_SUBST
, token
, len
);
6632 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_VARIABLE
, token
, len
);
6634 case JIM_TT_DICTSUGAR
:
6635 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_DICTSUGAR
, token
, len
);
6638 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_COMMAND
, token
, len
);
6640 case JIM_TT_EXPR_NUMBER
:
6641 ExprObjAddInstr(interp
, expr
, JIM_EXPROP_NUMBER
, token
, len
);
6643 case JIM_TT_EXPR_OPERATOR
:
6644 op
= JimExprOperatorInfo(token
);
6646 Jim_ExprOperator
*stackTopOp
;
6648 if (Jim_StackPeek(&stack
) != NULL
) {
6649 stackTopOp
= JimExprOperatorInfo(Jim_StackPeek(&stack
));
6653 if (Jim_StackLen(&stack
) && op
->arity
!= 1 &&
6654 stackTopOp
&& stackTopOp
->precedence
>= op
->precedence
)
6656 ExprObjAddInstr(interp
, expr
, stackTopOp
->opcode
,
6657 Jim_StackPeek(&stack
), -1);
6658 Jim_StackPop(&stack
);
6663 Jim_StackPush(&stack
, token
);
6665 case JIM_TT_SUBEXPR_START
:
6666 Jim_StackPush(&stack
, Jim_StrDup("("));
6669 case JIM_TT_SUBEXPR_END
:
6672 while(Jim_StackLen(&stack
)) {
6673 char *opstr
= Jim_StackPop(&stack
);
6674 if (!strcmp(opstr
, "(")) {
6679 op
= JimExprOperatorInfo(opstr
);
6680 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6683 Jim_SetResultString(interp
,
6684 "Unexpected close parenthesis", -1);
6691 Jim_Panic(interp
,"Default reached in SetExprFromAny()");
6695 while (Jim_StackLen(&stack
)) {
6696 char *opstr
= Jim_StackPop(&stack
);
6697 op
= JimExprOperatorInfo(opstr
);
6698 if (op
== NULL
&& !strcmp(opstr
, "(")) {
6700 Jim_SetResultString(interp
, "Missing close parenthesis", -1);
6703 ExprObjAddInstr(interp
, expr
, op
->opcode
, opstr
, -1);
6705 /* Check program correctness. */
6706 if (ExprCheckCorrectness(expr
) != JIM_OK
) {
6707 Jim_SetResultString(interp
, "Invalid expression", -1);
6711 /* Free the stack used for the compilation. */
6712 Jim_FreeStackElements(&stack
, Jim_Free
);
6713 Jim_FreeStack(&stack
);
6715 /* Convert || and && operators in unary |L |R and &L &R for lazyness */
6716 ExprMakeLazy(interp
, expr
);
6718 /* Perform literal sharing */
6719 if (shareLiterals
&& interp
->framePtr
->procBodyObjPtr
) {
6720 Jim_Obj
*bodyObjPtr
= interp
->framePtr
->procBodyObjPtr
;
6721 if (bodyObjPtr
->typePtr
== &scriptObjType
) {
6722 ScriptObj
*bodyScript
= bodyObjPtr
->internalRep
.ptr
;
6723 ExprShareLiterals(interp
, expr
, bodyScript
);
6727 /* Free the old internal rep and set the new one. */
6728 Jim_FreeIntRep(interp
, objPtr
);
6729 Jim_SetIntRepPtr(objPtr
, expr
);
6730 objPtr
->typePtr
= &exprObjType
;
6733 err
: /* we jump here on syntax/compile errors. */
6734 Jim_FreeStackElements(&stack
, Jim_Free
);
6735 Jim_FreeStack(&stack
);
6736 Jim_Free(expr
->opcode
);
6737 for (i
= 0; i
< expr
->len
; i
++) {
6738 Jim_DecrRefCount(interp
,expr
->obj
[i
]);
6740 Jim_Free(expr
->obj
);
6745 ExprByteCode
*Jim_GetExpression(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
6747 if (objPtr
->typePtr
!= &exprObjType
) {
6748 if (SetExprFromAny(interp
, objPtr
) != JIM_OK
)
6751 return (ExprByteCode
*) Jim_GetIntRepPtr(objPtr
);
6754 /* -----------------------------------------------------------------------------
6755 * Expressions evaluation.
6756 * Jim uses a specialized stack-based virtual machine for expressions,
6757 * that takes advantage of the fact that expr's operators
6758 * can't be redefined.
6760 * Jim_EvalExpression() uses the bytecode compiled by
6761 * SetExprFromAny() method of the "expression" object.
6763 * On success a Tcl Object containing the result of the evaluation
6764 * is stored into expResultPtrPtr (having refcount of 1), and JIM_OK is
6766 * On error the function returns a retcode != to JIM_OK and set a suitable
6767 * error on the interp.
6768 * ---------------------------------------------------------------------------*/
6769 #define JIM_EE_STATICSTACK_LEN 10
6771 int Jim_EvalExpression(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
,
6772 Jim_Obj
**exprResultPtrPtr
)
6775 Jim_Obj
**stack
, *staticStack
[JIM_EE_STATICSTACK_LEN
];
6776 int stacklen
= 0, i
, error
= 0, errRetCode
= JIM_ERR
;
6778 Jim_IncrRefCount(exprObjPtr
);
6779 expr
= Jim_GetExpression(interp
, exprObjPtr
);
6781 Jim_DecrRefCount(interp
, exprObjPtr
);
6782 return JIM_ERR
; /* error in expression. */
6784 /* In order to avoid that the internal repr gets freed due to
6785 * shimmering of the exprObjPtr's object, we make the internal rep
6789 /* The stack-based expr VM itself */
6791 /* Stack allocation. Expr programs have the feature that
6792 * a program of length N can't require a stack longer than
6794 if (expr
->len
> JIM_EE_STATICSTACK_LEN
)
6795 stack
= Jim_Alloc(sizeof(Jim_Obj
*)*expr
->len
);
6797 stack
= staticStack
;
6799 /* Execute every istruction */
6800 for (i
= 0; i
< expr
->len
; i
++) {
6801 Jim_Obj
*A
, *B
, *objPtr
;
6802 jim_wide wA
, wB
, wC
;
6804 const char *sA
, *sB
;
6805 int Alen
, Blen
, retcode
;
6806 int opcode
= expr
->opcode
[i
];
6808 if (opcode
== JIM_EXPROP_NUMBER
|| opcode
== JIM_EXPROP_STRING
) {
6809 stack
[stacklen
++] = expr
->obj
[i
];
6810 Jim_IncrRefCount(expr
->obj
[i
]);
6811 } else if (opcode
== JIM_EXPROP_VARIABLE
) {
6812 objPtr
= Jim_GetVariable(interp
, expr
->obj
[i
], JIM_ERRMSG
);
6813 if (objPtr
== NULL
) {
6817 stack
[stacklen
++] = objPtr
;
6818 Jim_IncrRefCount(objPtr
);
6819 } else if (opcode
== JIM_EXPROP_SUBST
) {
6820 if ((retcode
= Jim_SubstObj(interp
, expr
->obj
[i
],
6821 &objPtr
, JIM_NONE
)) != JIM_OK
)
6824 errRetCode
= retcode
;
6827 stack
[stacklen
++] = objPtr
;
6828 Jim_IncrRefCount(objPtr
);
6829 } else if (opcode
== JIM_EXPROP_DICTSUGAR
) {
6830 objPtr
= Jim_ExpandDictSugar(interp
, expr
->obj
[i
]);
6831 if (objPtr
== NULL
) {
6835 stack
[stacklen
++] = objPtr
;
6836 Jim_IncrRefCount(objPtr
);
6837 } else if (opcode
== JIM_EXPROP_COMMAND
) {
6838 if ((retcode
= Jim_EvalObj(interp
, expr
->obj
[i
])) != JIM_OK
) {
6840 errRetCode
= retcode
;
6843 stack
[stacklen
++] = interp
->result
;
6844 Jim_IncrRefCount(interp
->result
);
6845 } else if (opcode
>= JIM_EXPROP_BINARY_NUM_FIRST
&&
6846 opcode
<= JIM_EXPROP_BINARY_NUM_LAST
)
6848 /* Note that there isn't to increment the
6849 * refcount of objects. the references are moved
6850 * from stack to A and B. */
6851 B
= stack
[--stacklen
];
6852 A
= stack
[--stacklen
];
6854 /* --- Integer --- */
6855 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
6856 (B
->typePtr
== &doubleObjType
&& !B
->bytes
) ||
6857 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
||
6858 JimGetWideNoErr(interp
, B
, &wB
) != JIM_OK
) {
6861 Jim_DecrRefCount(interp
, A
);
6862 Jim_DecrRefCount(interp
, B
);
6863 switch(expr
->opcode
[i
]) {
6864 case JIM_EXPROP_ADD
: wC
= wA
+wB
; break;
6865 case JIM_EXPROP_SUB
: wC
= wA
-wB
; break;
6866 case JIM_EXPROP_MUL
: wC
= wA
*wB
; break;
6867 case JIM_EXPROP_LT
: wC
= wA
<wB
; break;
6868 case JIM_EXPROP_GT
: wC
= wA
>wB
; break;
6869 case JIM_EXPROP_LTE
: wC
= wA
<=wB
; break;
6870 case JIM_EXPROP_GTE
: wC
= wA
>=wB
; break;
6871 case JIM_EXPROP_LSHIFT
: wC
= wA
<<wB
; break;
6872 case JIM_EXPROP_RSHIFT
: wC
= wA
>>wB
; break;
6873 case JIM_EXPROP_NUMEQ
: wC
= wA
==wB
; break;
6874 case JIM_EXPROP_NUMNE
: wC
= wA
!=wB
; break;
6875 case JIM_EXPROP_BITAND
: wC
= wA
&wB
; break;
6876 case JIM_EXPROP_BITXOR
: wC
= wA
^wB
; break;
6877 case JIM_EXPROP_BITOR
: wC
= wA
|wB
; break;
6878 case JIM_EXPROP_POW
: wC
= JimPowWide(wA
,wB
); break;
6879 case JIM_EXPROP_LOGICAND_LEFT
:
6887 case JIM_EXPROP_LOGICOR_LEFT
:
6895 case JIM_EXPROP_DIV
:
6896 if (wB
== 0) goto divbyzero
;
6899 case JIM_EXPROP_MOD
:
6900 if (wB
== 0) goto divbyzero
;
6903 case JIM_EXPROP_ROTL
: {
6904 /* uint32_t would be better. But not everyone has inttypes.h?*/
6905 unsigned long uA
= (unsigned long)wA
;
6907 wC
= _rotl(uA
,(unsigned long)wB
);
6909 const unsigned int S
= sizeof(unsigned long) * 8;
6910 wC
= (unsigned long)((uA
<<wB
)|(uA
>>(S
-wB
)));
6914 case JIM_EXPROP_ROTR
: {
6915 unsigned long uA
= (unsigned long)wA
;
6917 wC
= _rotr(uA
,(unsigned long)wB
);
6919 const unsigned int S
= sizeof(unsigned long) * 8;
6920 wC
= (unsigned long)((uA
>>wB
)|(uA
<<(S
-wB
)));
6926 wC
= 0; /* avoid gcc warning */
6929 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
6930 Jim_IncrRefCount(stack
[stacklen
]);
6934 /* --- Double --- */
6935 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
||
6936 Jim_GetDouble(interp
, B
, &dB
) != JIM_OK
) {
6937 Jim_DecrRefCount(interp
, A
);
6938 Jim_DecrRefCount(interp
, B
);
6942 Jim_DecrRefCount(interp
, A
);
6943 Jim_DecrRefCount(interp
, B
);
6944 switch(expr
->opcode
[i
]) {
6945 case JIM_EXPROP_ROTL
:
6946 case JIM_EXPROP_ROTR
:
6947 case JIM_EXPROP_LSHIFT
:
6948 case JIM_EXPROP_RSHIFT
:
6949 case JIM_EXPROP_BITAND
:
6950 case JIM_EXPROP_BITXOR
:
6951 case JIM_EXPROP_BITOR
:
6952 case JIM_EXPROP_MOD
:
6953 case JIM_EXPROP_POW
:
6954 Jim_SetResultString(interp
,
6955 "Got floating-point value where integer was expected", -1);
6959 case JIM_EXPROP_ADD
: dC
= dA
+dB
; break;
6960 case JIM_EXPROP_SUB
: dC
= dA
-dB
; break;
6961 case JIM_EXPROP_MUL
: dC
= dA
*dB
; break;
6962 case JIM_EXPROP_LT
: dC
= dA
<dB
; break;
6963 case JIM_EXPROP_GT
: dC
= dA
>dB
; break;
6964 case JIM_EXPROP_LTE
: dC
= dA
<=dB
; break;
6965 case JIM_EXPROP_GTE
: dC
= dA
>=dB
; break;
6966 case JIM_EXPROP_NUMEQ
: dC
= dA
==dB
; break;
6967 case JIM_EXPROP_NUMNE
: dC
= dA
!=dB
; break;
6968 case JIM_EXPROP_LOGICAND_LEFT
:
6976 case JIM_EXPROP_LOGICOR_LEFT
:
6984 case JIM_EXPROP_DIV
:
6985 if (dB
== 0) goto divbyzero
;
6989 dC
= 0; /* avoid gcc warning */
6992 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
6993 Jim_IncrRefCount(stack
[stacklen
]);
6995 } else if (opcode
== JIM_EXPROP_STREQ
|| opcode
== JIM_EXPROP_STRNE
) {
6996 B
= stack
[--stacklen
];
6997 A
= stack
[--stacklen
];
6998 sA
= Jim_GetString(A
, &Alen
);
6999 sB
= Jim_GetString(B
, &Blen
);
7000 switch(expr
->opcode
[i
]) {
7001 case JIM_EXPROP_STREQ
:
7002 if (Alen
== Blen
&& memcmp(sA
, sB
, Alen
) ==0)
7007 case JIM_EXPROP_STRNE
:
7008 if (Alen
!= Blen
|| memcmp(sA
, sB
, Alen
) != 0)
7014 wC
= 0; /* avoid gcc warning */
7017 Jim_DecrRefCount(interp
, A
);
7018 Jim_DecrRefCount(interp
, B
);
7019 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7020 Jim_IncrRefCount(stack
[stacklen
]);
7022 } else if (opcode
== JIM_EXPROP_NOT
||
7023 opcode
== JIM_EXPROP_BITNOT
||
7024 opcode
== JIM_EXPROP_LOGICAND_RIGHT
||
7025 opcode
== JIM_EXPROP_LOGICOR_RIGHT
) {
7026 /* Note that there isn't to increment the
7027 * refcount of objects. the references are moved
7028 * from stack to A and B. */
7029 A
= stack
[--stacklen
];
7031 /* --- Integer --- */
7032 if ((A
->typePtr
== &doubleObjType
&& !A
->bytes
) ||
7033 JimGetWideNoErr(interp
, A
, &wA
) != JIM_OK
) {
7034 goto trydouble_unary
;
7036 Jim_DecrRefCount(interp
, A
);
7037 switch(expr
->opcode
[i
]) {
7038 case JIM_EXPROP_NOT
: wC
= !wA
; break;
7039 case JIM_EXPROP_BITNOT
: wC
= ~wA
; break;
7040 case JIM_EXPROP_LOGICAND_RIGHT
:
7041 case JIM_EXPROP_LOGICOR_RIGHT
: wC
= (wA
!= 0); break;
7043 wC
= 0; /* avoid gcc warning */
7046 stack
[stacklen
] = Jim_NewIntObj(interp
, wC
);
7047 Jim_IncrRefCount(stack
[stacklen
]);
7051 /* --- Double --- */
7052 if (Jim_GetDouble(interp
, A
, &dA
) != JIM_OK
) {
7053 Jim_DecrRefCount(interp
, A
);
7057 Jim_DecrRefCount(interp
, A
);
7058 switch(expr
->opcode
[i
]) {
7059 case JIM_EXPROP_NOT
: dC
= !dA
; break;
7060 case JIM_EXPROP_LOGICAND_RIGHT
:
7061 case JIM_EXPROP_LOGICOR_RIGHT
: dC
= (dA
!= 0); break;
7062 case JIM_EXPROP_BITNOT
:
7063 Jim_SetResultString(interp
,
7064 "Got floating-point value where integer was expected", -1);
7069 dC
= 0; /* avoid gcc warning */
7072 stack
[stacklen
] = Jim_NewDoubleObj(interp
, dC
);
7073 Jim_IncrRefCount(stack
[stacklen
]);
7076 Jim_Panic(interp
,"Unknown opcode in Jim_EvalExpression");
7080 /* There is no need to decerement the inUse field because
7081 * this reference is transfered back into the exprObjPtr. */
7082 Jim_FreeIntRep(interp
, exprObjPtr
);
7083 exprObjPtr
->typePtr
= &exprObjType
;
7084 Jim_SetIntRepPtr(exprObjPtr
, expr
);
7085 Jim_DecrRefCount(interp
, exprObjPtr
);
7087 *exprResultPtrPtr
= stack
[0];
7088 Jim_IncrRefCount(stack
[0]);
7089 errRetCode
= JIM_OK
;
7091 for (i
= 0; i
< stacklen
; i
++) {
7092 Jim_DecrRefCount(interp
, stack
[i
]);
7094 if (stack
!= staticStack
)
7099 Jim_SetResultString(interp
, "Division by zero", -1);
7103 int Jim_GetBoolFromExpr(Jim_Interp
*interp
, Jim_Obj
*exprObjPtr
, int *boolPtr
)
7108 Jim_Obj
*exprResultPtr
;
7110 retcode
= Jim_EvalExpression(interp
, exprObjPtr
, &exprResultPtr
);
7111 if (retcode
!= JIM_OK
)
7113 if (JimGetWideNoErr(interp
, exprResultPtr
, &wideValue
) != JIM_OK
) {
7114 if (Jim_GetDouble(interp
, exprResultPtr
, &doubleValue
) != JIM_OK
)
7116 Jim_DecrRefCount(interp
, exprResultPtr
);
7119 Jim_DecrRefCount(interp
, exprResultPtr
);
7120 *boolPtr
= doubleValue
!= 0;
7124 Jim_DecrRefCount(interp
, exprResultPtr
);
7125 *boolPtr
= wideValue
!= 0;
7129 /* -----------------------------------------------------------------------------
7130 * ScanFormat String Object
7131 * ---------------------------------------------------------------------------*/
7133 /* This Jim_Obj will held a parsed representation of a format string passed to
7134 * the Jim_ScanString command. For error diagnostics, the scanformat string has
7135 * to be parsed in its entirely first and then, if correct, can be used for
7136 * scanning. To avoid endless re-parsing, the parsed representation will be
7137 * stored in an internal representation and re-used for performance reason. */
7139 /* A ScanFmtPartDescr will held the information of /one/ part of the whole
7140 * scanformat string. This part will later be used to extract information
7141 * out from the string to be parsed by Jim_ScanString */
7143 typedef struct ScanFmtPartDescr
{
7144 char type
; /* Type of conversion (e.g. c, d, f) */
7145 char modifier
; /* Modify type (e.g. l - long, h - short */
7146 size_t width
; /* Maximal width of input to be converted */
7147 int pos
; /* -1 - no assign, 0 - natural pos, >0 - XPG3 pos */
7148 char *arg
; /* Specification of a CHARSET conversion */
7149 char *prefix
; /* Prefix to be scanned literally before conversion */
7152 /* The ScanFmtStringObj will held the internal representation of a scanformat
7153 * string parsed and separated in part descriptions. Furthermore it contains
7154 * the original string representation of the scanformat string to allow for
7155 * fast update of the Jim_Obj's string representation part.
7157 * As add-on the internal object representation add some scratch pad area
7158 * for usage by Jim_ScanString to avoid endless allocating and freeing of
7159 * memory for purpose of string scanning.
7161 * The error member points to a static allocated string in case of a mal-
7162 * formed scanformat string or it contains '0' (NULL) in case of a valid
7163 * parse representation.
7165 * The whole memory of the internal representation is allocated as a single
7166 * area of memory that will be internally separated. So freeing and duplicating
7167 * of such an object is cheap */
7169 typedef struct ScanFmtStringObj
{
7170 jim_wide size
; /* Size of internal repr in bytes */
7171 char *stringRep
; /* Original string representation */
7172 size_t count
; /* Number of ScanFmtPartDescr contained */
7173 size_t convCount
; /* Number of conversions that will assign */
7174 size_t maxPos
; /* Max position index if XPG3 is used */
7175 const char *error
; /* Ptr to error text (NULL if no error */
7176 char *scratch
; /* Some scratch pad used by Jim_ScanString */
7177 ScanFmtPartDescr descr
[1]; /* The vector of partial descriptions */
7181 static void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
);
7182 static void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
);
7183 static void UpdateStringOfScanFmt(Jim_Obj
*objPtr
);
7185 static Jim_ObjType scanFmtStringObjType
= {
7187 FreeScanFmtInternalRep
,
7188 DupScanFmtInternalRep
,
7189 UpdateStringOfScanFmt
,
7193 void FreeScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7195 JIM_NOTUSED(interp
);
7196 Jim_Free((char*)objPtr
->internalRep
.ptr
);
7197 objPtr
->internalRep
.ptr
= 0;
7200 void DupScanFmtInternalRep(Jim_Interp
*interp
, Jim_Obj
*srcPtr
, Jim_Obj
*dupPtr
)
7202 size_t size
= (size_t)((ScanFmtStringObj
*)srcPtr
->internalRep
.ptr
)->size
;
7203 ScanFmtStringObj
*newVec
= (ScanFmtStringObj
*)Jim_Alloc(size
);
7205 JIM_NOTUSED(interp
);
7206 memcpy(newVec
, srcPtr
->internalRep
.ptr
, size
);
7207 dupPtr
->internalRep
.ptr
= newVec
;
7208 dupPtr
->typePtr
= &scanFmtStringObjType
;
7211 void UpdateStringOfScanFmt(Jim_Obj
*objPtr
)
7213 char *bytes
= ((ScanFmtStringObj
*)objPtr
->internalRep
.ptr
)->stringRep
;
7215 objPtr
->bytes
= Jim_StrDup(bytes
);
7216 objPtr
->length
= strlen(bytes
);
7219 /* SetScanFmtFromAny will parse a given string and create the internal
7220 * representation of the format specification. In case of an error
7221 * the error data member of the internal representation will be set
7222 * to an descriptive error text and the function will be left with
7223 * JIM_ERR to indicate unsucessful parsing (aka. malformed scanformat
7226 static int SetScanFmtFromAny(Jim_Interp
*interp
, Jim_Obj
*objPtr
)
7228 ScanFmtStringObj
*fmtObj
;
7230 int maxCount
, i
, approxSize
, lastPos
= -1;
7231 const char *fmt
= objPtr
->bytes
;
7232 int maxFmtLen
= objPtr
->length
;
7233 const char *fmtEnd
= fmt
+ maxFmtLen
;
7236 Jim_FreeIntRep(interp
, objPtr
);
7237 /* Count how many conversions could take place maximally */
7238 for (i
=0, maxCount
=0; i
< maxFmtLen
; ++i
)
7241 /* Calculate an approximation of the memory necessary */
7242 approxSize
= sizeof(ScanFmtStringObj
) /* Size of the container */
7243 + (maxCount
+ 1) * sizeof(ScanFmtPartDescr
) /* Size of all partials */
7244 + maxFmtLen
* sizeof(char) + 3 + 1 /* Scratch + "%n" + '\0' */
7245 + maxFmtLen
* sizeof(char) + 1 /* Original stringrep */
7246 + maxFmtLen
* sizeof(char) /* Arg for CHARSETs */
7247 + (maxCount
+1) * sizeof(char) /* '\0' for every partial */
7248 + 1; /* safety byte */
7249 fmtObj
= (ScanFmtStringObj
*)Jim_Alloc(approxSize
);
7250 memset(fmtObj
, 0, approxSize
);
7251 fmtObj
->size
= approxSize
;
7253 fmtObj
->scratch
= (char*)&fmtObj
->descr
[maxCount
+1];
7254 fmtObj
->stringRep
= fmtObj
->scratch
+ maxFmtLen
+ 3 + 1;
7255 memcpy(fmtObj
->stringRep
, fmt
, maxFmtLen
);
7256 buffer
= fmtObj
->stringRep
+ maxFmtLen
+ 1;
7257 objPtr
->internalRep
.ptr
= fmtObj
;
7258 objPtr
->typePtr
= &scanFmtStringObjType
;
7259 for (i
=0, curr
=0; fmt
< fmtEnd
; ++fmt
) {
7261 ScanFmtPartDescr
*descr
= &fmtObj
->descr
[curr
];
7263 descr
->width
= 0; /* Assume width unspecified */
7264 /* Overread and store any "literal" prefix */
7265 if (*fmt
!= '%' || fmt
[1] == '%') {
7267 descr
->prefix
= &buffer
[i
];
7268 for (; fmt
< fmtEnd
; ++fmt
) {
7270 if (fmt
[1] != '%') break;
7277 /* Skip the conversion introducing '%' sign */
7279 /* End reached due to non-conversion literal only? */
7282 descr
->pos
= 0; /* Assume "natural" positioning */
7284 descr
->pos
= -1; /* Okay, conversion will not be assigned */
7287 fmtObj
->convCount
++; /* Otherwise count as assign-conversion */
7288 /* Check if next token is a number (could be width or pos */
7289 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7291 /* Was the number a XPG3 position specifier? */
7292 if (descr
->pos
!= -1 && *fmt
== '$') {
7297 /* Look if "natural" postioning and XPG3 one was mixed */
7298 if ((lastPos
== 0 && descr
->pos
> 0)
7299 || (lastPos
> 0 && descr
->pos
== 0)) {
7300 fmtObj
->error
= "cannot mix \"%\" and \"%n$\" conversion specifiers";
7303 /* Look if this position was already used */
7304 for (prev
=0; prev
< curr
; ++prev
) {
7305 if (fmtObj
->descr
[prev
].pos
== -1) continue;
7306 if (fmtObj
->descr
[prev
].pos
== descr
->pos
) {
7307 fmtObj
->error
= "same \"%n$\" conversion specifier "
7308 "used more than once";
7312 /* Try to find a width after the XPG3 specifier */
7313 if (sscanf(fmt
, "%d%n", &width
, &skip
) == 1) {
7314 descr
->width
= width
;
7317 if (descr
->pos
> 0 && (size_t)descr
->pos
> fmtObj
->maxPos
)
7318 fmtObj
->maxPos
= descr
->pos
;
7320 /* Number was not a XPG3, so it has to be a width */
7321 descr
->width
= width
;
7324 /* If positioning mode was undetermined yet, fix this */
7326 lastPos
= descr
->pos
;
7327 /* Handle CHARSET conversion type ... */
7329 int swapped
= 1, beg
= i
, end
, j
;
7331 descr
->arg
= &buffer
[i
];
7333 if (*fmt
== '^') buffer
[i
++] = *fmt
++;
7334 if (*fmt
== ']') buffer
[i
++] = *fmt
++;
7335 while (*fmt
&& *fmt
!= ']') buffer
[i
++] = *fmt
++;
7337 fmtObj
->error
= "unmatched [ in format string";
7342 /* In case a range fence was given "backwards", swap it */
7345 for (j
=beg
+1; j
< end
-1; ++j
) {
7346 if (buffer
[j
] == '-' && buffer
[j
-1] > buffer
[j
+1]) {
7347 char tmp
= buffer
[j
-1];
7348 buffer
[j
-1] = buffer
[j
+1];
7355 /* Remember any valid modifier if given */
7356 if (strchr("hlL", *fmt
) != 0)
7357 descr
->modifier
= tolower((int)*fmt
++);
7360 if (strchr("efgcsndoxui", *fmt
) == 0) {
7361 fmtObj
->error
= "bad scan conversion character";
7363 } else if (*fmt
== 'c' && descr
->width
!= 0) {
7364 fmtObj
->error
= "field width may not be specified in %c "
7367 } else if (*fmt
== 'u' && descr
->modifier
== 'l') {
7368 fmtObj
->error
= "unsigned wide not supported";
7375 if (fmtObj
->convCount
== 0) {
7376 fmtObj
->error
= "no any conversion specifier given";
7382 /* Some accessor macros to allow lowlevel access to fields of internal repr */
7384 #define FormatGetCnvCount(_fo_) \
7385 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->convCount
7386 #define FormatGetMaxPos(_fo_) \
7387 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->maxPos
7388 #define FormatGetError(_fo_) \
7389 ((ScanFmtStringObj*)((_fo_)->internalRep.ptr))->error
7391 /* Some Bit testing/setting/cleaning routines. For now only used in handling
7392 * charsets ([a-z123]) within scanning. Later on perhaps a base for a
7393 * bitvector implementation in Jim? */
7395 static int JimTestBit(const char *bitvec
, char ch
)
7397 div_t pos
= div(ch
-1, 8);
7398 return bitvec
[pos
.quot
] & (1 << pos
.rem
);
7401 static void JimSetBit(char *bitvec
, char ch
)
7403 div_t pos
= div(ch
-1, 8);
7404 bitvec
[pos
.quot
] |= (1 << pos
.rem
);
7407 #if 0 /* currently not used */
7408 static void JimClearBit(char *bitvec
, char ch
)
7410 div_t pos
= div(ch
-1, 8);
7411 bitvec
[pos
.quot
] &= ~(1 << pos
.rem
);
7415 /* JimScanAString is used to scan an unspecified string that ends with
7416 * next WS, or a string that is specified via a charset. The charset
7417 * is currently implemented in a way to only allow for usage with
7418 * ASCII. Whenever we will switch to UNICODE, another idea has to
7421 * FIXME: Works only with ASCII */
7424 JimScanAString(Jim_Interp
*interp
, const char *sdescr
, const char *str
)
7428 char charset
[256/8+1]; /* A Charset may contain max 256 chars */
7429 char *buffer
= Jim_Alloc(strlen(str
)+1), *anchor
= buffer
;
7431 /* First init charset to nothing or all, depending if a specified
7432 * or an unspecified string has to be parsed */
7433 memset(charset
, (sdescr
? 0 : 255), sizeof(charset
));
7435 /* There was a set description given, that means we are parsing
7436 * a specified string. So we have to build a corresponding
7437 * charset reflecting the description */
7439 /* Should the set be negated at the end? */
7440 if (*sdescr
== '^') {
7444 /* Here '-' is meant literally and not to define a range */
7445 if (*sdescr
== '-') {
7446 JimSetBit(charset
, '-');
7450 if (sdescr
[1] == '-' && sdescr
[2] != 0) {
7451 /* Handle range definitions */
7453 for (i
=sdescr
[0]; i
<= sdescr
[2]; ++i
)
7454 JimSetBit(charset
, (char)i
);
7457 /* Handle verbatim character definitions */
7458 JimSetBit(charset
, *sdescr
++);
7461 /* Negate the charset if there was a NOT given */
7462 for (i
=0; notFlag
&& i
< sizeof(charset
); ++i
)
7463 charset
[i
] = ~charset
[i
];
7465 /* And after all the mess above, the real work begin ... */
7466 while (str
&& *str
) {
7467 if (!sdescr
&& isspace((int)*str
))
7468 break; /* EOS via WS if unspecified */
7469 if (JimTestBit(charset
, *str
)) *buffer
++ = *str
++;
7470 else break; /* EOS via mismatch if specified scanning */
7472 *buffer
= 0; /* Close the string properly ... */
7473 result
= Jim_NewStringObj(interp
, anchor
, -1);
7474 Jim_Free(anchor
); /* ... and free it afer usage */
7478 /* ScanOneEntry will scan one entry out of the string passed as argument.
7479 * It use the sscanf() function for this task. After extracting and
7480 * converting of the value, the count of scanned characters will be
7481 * returned of -1 in case of no conversion tool place and string was
7482 * already scanned thru */
7484 static int ScanOneEntry(Jim_Interp
*interp
, const char *str
, long pos
,
7485 ScanFmtStringObj
*fmtObj
, long index
, Jim_Obj
**valObjPtr
)
7487 # define MAX_SIZE (sizeof(jim_wide) > sizeof(double) \
7488 ? sizeof(jim_wide) \
7490 char buffer
[MAX_SIZE
];
7491 char *value
= buffer
;
7493 const ScanFmtPartDescr
*descr
= &fmtObj
->descr
[index
];
7494 size_t sLen
= strlen(&str
[pos
]), scanned
= 0;
7495 size_t anchor
= pos
;
7498 /* First pessimiticly assume, we will not scan anything :-) */
7500 if (descr
->prefix
) {
7501 /* There was a prefix given before the conversion, skip it and adjust
7502 * the string-to-be-parsed accordingly */
7503 for (i
=0; str
[pos
] && descr
->prefix
[i
]; ++i
) {
7504 /* If prefix require, skip WS */
7505 if (isspace((int)descr
->prefix
[i
]))
7506 while (str
[pos
] && isspace((int)str
[pos
])) ++pos
;
7507 else if (descr
->prefix
[i
] != str
[pos
])
7508 break; /* Prefix do not match here, leave the loop */
7510 ++pos
; /* Prefix matched so far, next round */
7513 return -1; /* All of str consumed: EOF condition */
7514 else if (descr
->prefix
[i
] != 0)
7515 return 0; /* Not whole prefix consumed, no conversion possible */
7517 /* For all but following conversion, skip leading WS */
7518 if (descr
->type
!= 'c' && descr
->type
!= '[' && descr
->type
!= 'n')
7519 while (isspace((int)str
[pos
])) ++pos
;
7520 /* Determine how much skipped/scanned so far */
7521 scanned
= pos
- anchor
;
7522 if (descr
->type
== 'n') {
7523 /* Return pseudo conversion means: how much scanned so far? */
7524 *valObjPtr
= Jim_NewIntObj(interp
, anchor
+ scanned
);
7525 } else if (str
[pos
] == 0) {
7526 /* Cannot scan anything, as str is totally consumed */
7529 /* Processing of conversions follows ... */
7530 if (descr
->width
> 0) {
7531 /* Do not try to scan as fas as possible but only the given width.
7532 * To ensure this, we copy the part that should be scanned. */
7533 size_t tLen
= descr
->width
> sLen
? sLen
: descr
->width
;
7534 tok
= Jim_StrDupLen(&str
[pos
], tLen
);
7536 /* As no width was given, simply refer to the original string */
7539 switch (descr
->type
) {
7541 *valObjPtr
= Jim_NewIntObj(interp
, *tok
);
7544 case 'd': case 'o': case 'x': case 'u': case 'i': {
7545 char *endp
; /* Position where the number finished */
7546 int base
= descr
->type
== 'o' ? 8
7547 : descr
->type
== 'x' ? 16
7548 : descr
->type
== 'i' ? 0
7552 /* Try to scan a number with the given base */
7553 if (descr
->modifier
== 'l')
7554 #ifdef HAVE_LONG_LONG
7555 *(jim_wide
*)value
= JimStrtoll(tok
, &endp
, base
);
7557 *(jim_wide
*)value
= strtol(tok
, &endp
, base
);
7560 if (descr
->type
== 'u')
7561 *(long*)value
= strtoul(tok
, &endp
, base
);
7563 *(long*)value
= strtol(tok
, &endp
, base
);
7564 /* If scanning failed, and base was undetermined, simply
7565 * put it to 10 and try once more. This should catch the
7566 * case where %i begin to parse a number prefix (e.g.
7567 * '0x' but no further digits follows. This will be
7568 * handled as a ZERO followed by a char 'x' by Tcl */
7569 if (endp
== tok
&& base
== 0) base
= 10;
7573 /* There was some number sucessfully scanned! */
7574 if (descr
->modifier
== 'l')
7575 *valObjPtr
= Jim_NewIntObj(interp
, *(jim_wide
*)value
);
7577 *valObjPtr
= Jim_NewIntObj(interp
, *(long*)value
);
7578 /* Adjust the number-of-chars scanned so far */
7579 scanned
+= endp
- tok
;
7581 /* Nothing was scanned. We have to determine if this
7582 * happened due to e.g. prefix mismatch or input str
7584 scanned
= *tok
? 0 : -1;
7588 case 's': case '[': {
7589 *valObjPtr
= JimScanAString(interp
, descr
->arg
, tok
);
7590 scanned
+= Jim_Length(*valObjPtr
);
7593 case 'e': case 'f': case 'g': {
7596 *(double*)value
= strtod(tok
, &endp
);
7598 /* There was some number sucessfully scanned! */
7599 *valObjPtr
= Jim_NewDoubleObj(interp
, *(double*)value
);
7600 /* Adjust the number-of-chars scanned so far */
7601 scanned
+= endp
- tok
;
7603 /* Nothing was scanned. We have to determine if this
7604 * happened due to e.g. prefix mismatch or input str
7606 scanned
= *tok
? 0 : -1;
7611 /* If a substring was allocated (due to pre-defined width) do not
7612 * forget to free it */
7613 if (tok
!= &str
[pos
])
7614 Jim_Free((char*)tok
);
7619 /* Jim_ScanString is the workhorse of string scanning. It will scan a given
7620 * string and returns all converted (and not ignored) values in a list back
7621 * to the caller. If an error occured, a NULL pointer will be returned */
7623 Jim_Obj
*Jim_ScanString(Jim_Interp
*interp
, Jim_Obj
*strObjPtr
,
7624 Jim_Obj
*fmtObjPtr
, int flags
)
7628 const char *str
= Jim_GetString(strObjPtr
, 0);
7629 Jim_Obj
*resultList
= 0;
7630 Jim_Obj
**resultVec
;
7632 Jim_Obj
*emptyStr
= 0;
7633 ScanFmtStringObj
*fmtObj
;
7635 /* If format specification is not an object, convert it! */
7636 if (fmtObjPtr
->typePtr
!= &scanFmtStringObjType
)
7637 SetScanFmtFromAny(interp
, fmtObjPtr
);
7638 fmtObj
= (ScanFmtStringObj
*)fmtObjPtr
->internalRep
.ptr
;
7639 /* Check if format specification was valid */
7640 if (fmtObj
->error
!= 0) {
7641 if (flags
& JIM_ERRMSG
)
7642 Jim_SetResultString(interp
, fmtObj
->error
, -1);
7645 /* Allocate a new "shared" empty string for all unassigned conversions */
7646 emptyStr
= Jim_NewEmptyStringObj(interp
);
7647 Jim_IncrRefCount(emptyStr
);
7648 /* Create a list and fill it with empty strings up to max specified XPG3 */
7649 resultList
= Jim_NewListObj(interp
, 0, 0);
7650 if (fmtObj
->maxPos
> 0) {
7651 for (i
=0; i
< fmtObj
->maxPos
; ++i
)
7652 Jim_ListAppendElement(interp
, resultList
, emptyStr
);
7653 JimListGetElements(interp
, resultList
, &resultc
, &resultVec
);
7655 /* Now handle every partial format description */
7656 for (i
=0, pos
=0; i
< fmtObj
->count
; ++i
) {
7657 ScanFmtPartDescr
*descr
= &(fmtObj
->descr
[i
]);
7659 /* Only last type may be "literal" w/o conversion - skip it! */
7660 if (descr
->type
== 0) continue;
7661 /* As long as any conversion could be done, we will proceed */
7663 scanned
= ScanOneEntry(interp
, str
, pos
, fmtObj
, i
, &value
);
7664 /* In case our first try results in EOF, we will leave */
7665 if (scanned
== -1 && i
== 0)
7667 /* Advance next pos-to-be-scanned for the amount scanned already */
7669 /* value == 0 means no conversion took place so take empty string */
7671 value
= Jim_NewEmptyStringObj(interp
);
7672 /* If value is a non-assignable one, skip it */
7673 if (descr
->pos
== -1) {
7674 Jim_FreeNewObj(interp
, value
);
7675 } else if (descr
->pos
== 0)
7676 /* Otherwise append it to the result list if no XPG3 was given */
7677 Jim_ListAppendElement(interp
, resultList
, value
);
7678 else if (resultVec
[descr
->pos
-1] == emptyStr
) {
7679 /* But due to given XPG3, put the value into the corr. slot */
7680 Jim_DecrRefCount(interp
, resultVec
[descr
->pos
-1]);
7681 Jim_IncrRefCount(value
);
7682 resultVec
[descr
->pos
-1] = value
;
7684 /* Otherwise, the slot was already used - free obj and ERROR */
7685 Jim_FreeNewObj(interp
, value
);
7689 Jim_DecrRefCount(interp
, emptyStr
);
7692 Jim_DecrRefCount(interp
, emptyStr
);
7693 Jim_FreeNewObj(interp
, resultList
);
7694 return (Jim_Obj
*)EOF
;
7696 Jim_DecrRefCount(interp
, emptyStr
);
7697 Jim_FreeNewObj(interp
, resultList
);
7701 /* -----------------------------------------------------------------------------
7702 * Pseudo Random Number Generation
7703 * ---------------------------------------------------------------------------*/
7704 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7707 /* Initialize the sbox with the numbers from 0 to 255 */
7708 static void JimPrngInit(Jim_Interp
*interp
)
7711 unsigned int seed
[256];
7713 interp
->prngState
= Jim_Alloc(sizeof(Jim_PrngState
));
7714 for (i
= 0; i
< 256; i
++)
7715 seed
[i
] = (rand() ^ time(NULL
) ^ clock());
7716 JimPrngSeed(interp
, (unsigned char*) seed
, sizeof(int)*256);
7719 /* Generates N bytes of random data */
7720 static void JimRandomBytes(Jim_Interp
*interp
, void *dest
, unsigned int len
)
7722 Jim_PrngState
*prng
;
7723 unsigned char *destByte
= (unsigned char*) dest
;
7724 unsigned int si
, sj
, x
;
7726 /* initialization, only needed the first time */
7727 if (interp
->prngState
== NULL
)
7728 JimPrngInit(interp
);
7729 prng
= interp
->prngState
;
7730 /* generates 'len' bytes of pseudo-random numbers */
7731 for (x
= 0; x
< len
; x
++) {
7732 prng
->i
= (prng
->i
+1) & 0xff;
7733 si
= prng
->sbox
[prng
->i
];
7734 prng
->j
= (prng
->j
+ si
) & 0xff;
7735 sj
= prng
->sbox
[prng
->j
];
7736 prng
->sbox
[prng
->i
] = sj
;
7737 prng
->sbox
[prng
->j
] = si
;
7738 *destByte
++ = prng
->sbox
[(si
+sj
)&0xff];
7742 /* Re-seed the generator with user-provided bytes */
7743 static void JimPrngSeed(Jim_Interp
*interp
, const unsigned char *seed
,
7747 unsigned char buf
[256];
7748 Jim_PrngState
*prng
;
7750 /* initialization, only needed the first time */
7751 if (interp
->prngState
== NULL
)
7752 JimPrngInit(interp
);
7753 prng
= interp
->prngState
;
7755 /* Set the sbox[i] with i */
7756 for (i
= 0; i
< 256; i
++)
7758 /* Now use the seed to perform a random permutation of the sbox */
7759 for (i
= 0; i
< seedLen
; i
++) {
7762 t
= prng
->sbox
[i
&0xFF];
7763 prng
->sbox
[i
&0xFF] = prng
->sbox
[seed
[i
]];
7764 prng
->sbox
[seed
[i
]] = t
;
7766 prng
->i
= prng
->j
= 0;
7767 /* discard the first 256 bytes of stream. */
7768 JimRandomBytes(interp
, buf
, 256);
7771 /* -----------------------------------------------------------------------------
7772 * Dynamic libraries support (WIN32 not supported)
7773 * ---------------------------------------------------------------------------*/
7778 void * dlopen(const char *path
, int mode
)
7782 return (void *)LoadLibraryA(path
);
7784 int dlclose(void *handle
)
7786 FreeLibrary((HANDLE
)handle
);
7789 void *dlsym(void *handle
, const char *symbol
)
7791 return GetProcAddress((HMODULE
)handle
, symbol
);
7793 static char win32_dlerror_string
[121];
7794 const char *dlerror(void)
7796 FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM
, NULL
, GetLastError(),
7797 LANG_NEUTRAL
, win32_dlerror_string
, 120, NULL
);
7798 return win32_dlerror_string
;
7802 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7804 Jim_Obj
*libPathObjPtr
;
7807 int (*onload
)(Jim_Interp
*interp
);
7809 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
7810 if (libPathObjPtr
== NULL
) {
7812 libPathObjPtr
= NULL
;
7814 Jim_IncrRefCount(libPathObjPtr
);
7815 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
7818 for (i
= -1; i
< prefixc
; i
++) {
7820 handle
= dlopen(pathName
, RTLD_LAZY
);
7823 char buf
[JIM_PATH_LEN
];
7826 Jim_Obj
*prefixObjPtr
;
7829 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
7830 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
7832 prefix
= Jim_GetString(prefixObjPtr
, NULL
);
7833 prefixlen
= strlen(prefix
);
7834 if (prefixlen
+strlen(pathName
)+1 >= JIM_PATH_LEN
)
7836 if (prefixlen
&& prefix
[prefixlen
-1] == '/')
7837 sprintf(buf
, "%s%s", prefix
, pathName
);
7839 sprintf(buf
, "%s/%s", prefix
, pathName
);
7840 printf("opening '%s'\n", buf
);
7841 fp
= fopen(buf
, "r");
7845 handle
= dlopen(buf
, RTLD_LAZY
);
7846 printf("got handle %p\n", handle
);
7848 if (handle
== NULL
) {
7849 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7850 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7851 "error loading extension \"", pathName
,
7852 "\": ", dlerror(), NULL
);
7857 if ((onload
= dlsym(handle
, "Jim_OnLoad")) == NULL
) {
7858 Jim_SetResultString(interp
,
7859 "No Jim_OnLoad symbol found on extension", -1);
7862 if (onload(interp
) == JIM_ERR
) {
7866 Jim_SetEmptyResult(interp
);
7867 if (libPathObjPtr
!= NULL
)
7868 Jim_DecrRefCount(interp
, libPathObjPtr
);
7872 if (libPathObjPtr
!= NULL
)
7873 Jim_DecrRefCount(interp
, libPathObjPtr
);
7876 #else /* JIM_DYNLIB */
7877 int Jim_LoadLibrary(Jim_Interp
*interp
, const char *pathName
)
7879 JIM_NOTUSED(interp
);
7880 JIM_NOTUSED(pathName
);
7882 Jim_SetResultString(interp
, "the Jim binary has no support for [load]", -1);
7885 #endif/* JIM_DYNLIB */
7887 /* -----------------------------------------------------------------------------
7889 * ---------------------------------------------------------------------------*/
7891 #define JIM_PKG_ANY_VERSION -1
7893 /* Convert a string of the type "1.2" into an integer.
7894 * MAJOR.MINOR is converted as MAJOR*100+MINOR, so "1.2" is converted
7895 * to the integer with value 102 */
7896 static int JimPackageVersionToInt(Jim_Interp
*interp
, const char *v
,
7897 int *intPtr
, int flags
)
7900 jim_wide major
, minor
;
7901 char *majorStr
, *minorStr
, *p
;
7904 *intPtr
= JIM_PKG_ANY_VERSION
;
7908 copy
= Jim_StrDup(v
);
7909 p
= strchr(copy
, '.');
7910 if (p
== NULL
) goto badfmt
;
7915 if (Jim_StringToWide(majorStr
, &major
, 10) != JIM_OK
||
7916 Jim_StringToWide(minorStr
, &minor
, 10) != JIM_OK
)
7918 *intPtr
= (int)(major
*100+minor
);
7924 if (flags
& JIM_ERRMSG
) {
7925 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7926 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7927 "invalid package version '", v
, "'", NULL
);
7932 #define JIM_MATCHVER_EXACT (1<<JIM_PRIV_FLAG_SHIFT)
7933 static int JimPackageMatchVersion(int needed
, int actual
, int flags
)
7935 if (needed
== JIM_PKG_ANY_VERSION
) return 1;
7936 if (flags
& JIM_MATCHVER_EXACT
) {
7937 return needed
== actual
;
7939 return needed
/100 == actual
/100 && (needed
<= actual
);
7943 int Jim_PackageProvide(Jim_Interp
*interp
, const char *name
, const char *ver
,
7947 /* Check if the version format is ok */
7948 if (JimPackageVersionToInt(interp
, ver
, &intVersion
, JIM_ERRMSG
) != JIM_OK
)
7950 /* If the package was already provided returns an error. */
7951 if (Jim_FindHashEntry(&interp
->packages
, name
) != NULL
) {
7952 if (flags
& JIM_ERRMSG
) {
7953 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
7954 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
7955 "package '", name
, "' was already provided", NULL
);
7959 Jim_AddHashEntry(&interp
->packages
, name
, (char*) ver
);
7966 # include <sys/types.h>
7967 # include <dirent.h>
7970 /* Posix dirent.h compatiblity layer for WIN32.
7971 * Copyright Kevlin Henney, 1997, 2003. All rights reserved.
7972 * Copyright Salvatore Sanfilippo ,2005.
7974 * Permission to use, copy, modify, and distribute this software and its
7975 * documentation for any purpose is hereby granted without fee, provided
7976 * that this copyright and permissions notice appear in all copies and
7979 * This software is supplied "as is" without express or implied warranty.
7980 * This software was modified by Salvatore Sanfilippo for the Jim Interpreter.
7987 typedef struct DIR {
7988 long handle
; /* -1 for failed rewind */
7989 struct _finddata_t info
;
7990 struct dirent result
; /* d_name null iff first time */
7991 char *name
; /* null-terminated char string */
7994 DIR *opendir(const char *name
)
7998 if(name
&& name
[0]) {
7999 size_t base_length
= strlen(name
);
8000 const char *all
= /* search pattern must end with suitable wildcard */
8001 strchr("/\\", name
[base_length
- 1]) ? "*" : "/*";
8003 if((dir
= (DIR *) Jim_Alloc(sizeof *dir
)) != 0 &&
8004 (dir
->name
= (char *) Jim_Alloc(base_length
+ strlen(all
) + 1)) != 0)
8006 strcat(strcpy(dir
->name
, name
), all
);
8008 if((dir
->handle
= (long) _findfirst(dir
->name
, &dir
->info
)) != -1)
8009 dir
->result
.d_name
= 0;
8010 else { /* rollback */
8011 Jim_Free(dir
->name
);
8015 } else { /* rollback */
8026 int closedir(DIR *dir
)
8031 if(dir
->handle
!= -1)
8032 result
= _findclose(dir
->handle
);
8033 Jim_Free(dir
->name
);
8036 if(result
== -1) /* map all errors to EBADF */
8041 struct dirent
*readdir(DIR *dir
)
8043 struct dirent
*result
= 0;
8045 if(dir
&& dir
->handle
!= -1) {
8046 if(!dir
->result
.d_name
|| _findnext(dir
->handle
, &dir
->info
) != -1) {
8047 result
= &dir
->result
;
8048 result
->d_name
= dir
->info
.name
;
8058 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8059 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8061 int bestVer
= -1, i
;
8062 int pkgNameLen
= strlen(pkgName
);
8063 char *bestPackage
= NULL
;
8066 for (i
= 0; i
< prefixc
; i
++) {
8068 char buf
[JIM_PATH_LEN
];
8071 if (prefixes
[i
] == NULL
) continue;
8072 strncpy(buf
, prefixes
[i
], JIM_PATH_LEN
);
8073 buf
[JIM_PATH_LEN
-1] = '\0';
8074 prefixLen
= strlen(buf
);
8075 if (prefixLen
&& buf
[prefixLen
-1] == '/')
8076 buf
[prefixLen
-1] = '\0';
8078 if ((dir
= opendir(buf
)) == NULL
) continue;
8079 while ((de
= readdir(dir
)) != NULL
) {
8080 char *fileName
= de
->d_name
;
8081 int fileNameLen
= strlen(fileName
);
8083 if (strncmp(fileName
, "jim-", 4) == 0 &&
8084 strncmp(fileName
+4, pkgName
, pkgNameLen
) == 0 &&
8085 *(fileName
+4+pkgNameLen
) == '-' &&
8086 fileNameLen
> 4 && /* note that this is not really useful */
8087 (strncmp(fileName
+fileNameLen
-4, ".tcl", 4) == 0 ||
8088 strncmp(fileName
+fileNameLen
-4, ".dll", 4) == 0 ||
8089 strncmp(fileName
+fileNameLen
-3, ".so", 3) == 0))
8091 char ver
[6]; /* xx.yy<nulterm> */
8092 char *p
= strrchr(fileName
, '.');
8093 int verLen
, fileVer
;
8095 verLen
= p
- (fileName
+4+pkgNameLen
+1);
8096 if (verLen
< 3 || verLen
> 5) continue;
8097 memcpy(ver
, fileName
+4+pkgNameLen
+1, verLen
);
8099 if (JimPackageVersionToInt(interp
, ver
, &fileVer
, JIM_NONE
)
8100 != JIM_OK
) continue;
8101 if (JimPackageMatchVersion(pkgVer
, fileVer
, flags
) &&
8102 (bestVer
== -1 || bestVer
< fileVer
))
8105 Jim_Free(bestPackage
);
8106 bestPackage
= Jim_Alloc(strlen(buf
)+strlen(fileName
)+2);
8107 sprintf(bestPackage
, "%s/%s", buf
, fileName
);
8116 #else /* JIM_ANSIC */
8118 static char *JimFindBestPackage(Jim_Interp
*interp
, char **prefixes
,
8119 int prefixc
, const char *pkgName
, int pkgVer
, int flags
)
8121 JIM_NOTUSED(interp
);
8122 JIM_NOTUSED(prefixes
);
8123 JIM_NOTUSED(prefixc
);
8124 JIM_NOTUSED(pkgName
);
8125 JIM_NOTUSED(pkgVer
);
8130 #endif /* JIM_ANSIC */
8132 /* Search for a suitable package under every dir specified by jim_libpath
8133 * and load it if possible. If a suitable package was loaded with success
8134 * JIM_OK is returned, otherwise JIM_ERR is returned. */
8135 static int JimLoadPackage(Jim_Interp
*interp
, const char *name
, int ver
,
8138 Jim_Obj
*libPathObjPtr
;
8139 char **prefixes
, *best
;
8140 int prefixc
, i
, retCode
= JIM_OK
;
8142 libPathObjPtr
= Jim_GetGlobalVariableStr(interp
, "jim_libpath", JIM_NONE
);
8143 if (libPathObjPtr
== NULL
) {
8145 libPathObjPtr
= NULL
;
8147 Jim_IncrRefCount(libPathObjPtr
);
8148 Jim_ListLength(interp
, libPathObjPtr
, &prefixc
);
8151 prefixes
= Jim_Alloc(sizeof(char*)*prefixc
);
8152 for (i
= 0; i
< prefixc
; i
++) {
8153 Jim_Obj
*prefixObjPtr
;
8154 if (Jim_ListIndex(interp
, libPathObjPtr
, i
,
8155 &prefixObjPtr
, JIM_NONE
) != JIM_OK
)
8160 prefixes
[i
] = Jim_StrDup(Jim_GetString(prefixObjPtr
, NULL
));
8162 /* Scan every directory to find the "best" package. */
8163 best
= JimFindBestPackage(interp
, prefixes
, prefixc
, name
, ver
, flags
);
8165 char *p
= strrchr(best
, '.');
8166 /* Try to load/source it */
8167 if (p
&& strcmp(p
, ".tcl") == 0) {
8168 retCode
= Jim_EvalFile(interp
, best
);
8170 retCode
= Jim_LoadLibrary(interp
, best
);
8176 for (i
= 0; i
< prefixc
; i
++)
8177 Jim_Free(prefixes
[i
]);
8180 Jim_DecrRefCount(interp
, libPathObjPtr
);
8184 const char *Jim_PackageRequire(Jim_Interp
*interp
, const char *name
,
8185 const char *ver
, int flags
)
8190 if (JimPackageVersionToInt(interp
, ver
, &requiredVer
, JIM_ERRMSG
) != JIM_OK
)
8192 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8194 /* Try to load the package. */
8195 if (JimLoadPackage(interp
, name
, requiredVer
, flags
) == JIM_OK
) {
8196 he
= Jim_FindHashEntry(&interp
->packages
, name
);
8202 /* No way... return an error. */
8203 if (flags
& JIM_ERRMSG
) {
8204 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8205 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8206 "Can't find package '", name
, "'", NULL
);
8211 if (JimPackageVersionToInt(interp
, he
->val
, &actualVer
, JIM_ERRMSG
)
8216 /* Check if version matches. */
8217 if (JimPackageMatchVersion(requiredVer
, actualVer
, flags
) == 0) {
8218 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8219 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8220 "Package '", name
, "' already loaded, but with version ",
8228 /* -----------------------------------------------------------------------------
8230 * ---------------------------------------------------------------------------*/
8231 #define JIM_EVAL_SARGV_LEN 8 /* static arguments vector length */
8232 #define JIM_EVAL_SINTV_LEN 8 /* static interpolation vector length */
8234 static int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8235 Jim_Obj
*const *argv
);
8237 /* Handle calls to the [unknown] command */
8238 static int JimUnknown(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
8240 Jim_Obj
**v
, *sv
[JIM_EVAL_SARGV_LEN
];
8243 /* If the [unknown] command does not exists returns
8245 if (Jim_GetCommand(interp
, interp
->unknown
, JIM_NONE
) == NULL
)
8248 /* The object interp->unknown just contains
8249 * the "unknown" string, it is used in order to
8250 * avoid to lookup the unknown command every time
8251 * but instread to cache the result. */
8252 if (argc
+1 <= JIM_EVAL_SARGV_LEN
)
8255 v
= Jim_Alloc(sizeof(Jim_Obj
*)*(argc
+1));
8256 /* Make a copy of the arguments vector, but shifted on
8257 * the right of one position. The command name of the
8258 * command will be instead the first argument of the
8259 * [unknonw] call. */
8260 memcpy(v
+1, argv
, sizeof(Jim_Obj
*)*argc
);
8261 v
[0] = interp
->unknown
;
8263 retCode
= Jim_EvalObjVector(interp
, argc
+1, v
);
8270 /* Eval the object vector 'objv' composed of 'objc' elements.
8271 * Every element is used as single argument.
8272 * Jim_EvalObj() will call this function every time its object
8273 * argument is of "list" type, with no string representation.
8275 * This is possible because the string representation of a
8276 * list object generated by the UpdateStringOfList is made
8277 * in a way that ensures that every list element is a different
8278 * command argument. */
8279 int Jim_EvalObjVector(Jim_Interp
*interp
, int objc
, Jim_Obj
*const *objv
)
8284 /* Incr refcount of arguments. */
8285 for (i
= 0; i
< objc
; i
++)
8286 Jim_IncrRefCount(objv
[i
]);
8287 /* Command lookup */
8288 cmdPtr
= Jim_GetCommand(interp
, objv
[0], JIM_ERRMSG
);
8289 if (cmdPtr
== NULL
) {
8290 retcode
= JimUnknown(interp
, objc
, objv
);
8292 /* Call it -- Make sure result is an empty object. */
8293 Jim_SetEmptyResult(interp
);
8294 if (cmdPtr
->cmdProc
) {
8295 interp
->cmdPrivData
= cmdPtr
->privData
;
8296 retcode
= cmdPtr
->cmdProc(interp
, objc
, objv
);
8298 retcode
= JimCallProcedure(interp
, cmdPtr
, objc
, objv
);
8299 if (retcode
== JIM_ERR
) {
8300 JimAppendStackTrace(interp
,
8301 Jim_GetString(objv
[0], NULL
), "?", 1);
8305 /* Decr refcount of arguments and return the retcode */
8306 for (i
= 0; i
< objc
; i
++)
8307 Jim_DecrRefCount(interp
, objv
[i
]);
8311 /* Interpolate the given tokens into a unique Jim_Obj returned by reference
8312 * via *objPtrPtr. This function is only called by Jim_EvalObj().
8313 * The returned object has refcount = 0. */
8314 int Jim_InterpolateTokens(Jim_Interp
*interp
, ScriptToken
*token
,
8315 int tokens
, Jim_Obj
**objPtrPtr
)
8317 int totlen
= 0, i
, retcode
;
8319 Jim_Obj
*sintv
[JIM_EVAL_SINTV_LEN
];
8323 if (tokens
<= JIM_EVAL_SINTV_LEN
)
8326 intv
= Jim_Alloc(sizeof(Jim_Obj
*)*
8328 /* Compute every token forming the argument
8329 * in the intv objects vector. */
8330 for (i
= 0; i
< tokens
; i
++) {
8331 switch(token
[i
].type
) {
8334 intv
[i
] = token
[i
].objPtr
;
8337 intv
[i
] = Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
8343 case JIM_TT_DICTSUGAR
:
8344 intv
[i
] = Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8351 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8352 if (retcode
!= JIM_OK
)
8354 intv
[i
] = Jim_GetResult(interp
);
8358 "default token type reached "
8359 "in Jim_InterpolateTokens().");
8362 Jim_IncrRefCount(intv
[i
]);
8363 /* Make sure there is a valid
8364 * string rep, and add the string
8365 * length to the total legnth. */
8366 Jim_GetString(intv
[i
], NULL
);
8367 totlen
+= intv
[i
]->length
;
8369 /* Concatenate every token in an unique
8371 objPtr
= Jim_NewStringObjNoAlloc(interp
,
8373 s
= objPtr
->bytes
= Jim_Alloc(totlen
+1);
8374 objPtr
->length
= totlen
;
8375 for (i
= 0; i
< tokens
; i
++) {
8376 memcpy(s
, intv
[i
]->bytes
, intv
[i
]->length
);
8377 s
+= intv
[i
]->length
;
8378 Jim_DecrRefCount(interp
, intv
[i
]);
8380 objPtr
->bytes
[totlen
] = '\0';
8381 /* Free the intv vector if not static. */
8382 if (tokens
> JIM_EVAL_SINTV_LEN
)
8384 *objPtrPtr
= objPtr
;
8389 Jim_DecrRefCount(interp
, intv
[i
]);
8390 if (tokens
> JIM_EVAL_SINTV_LEN
)
8395 /* Helper of Jim_EvalObj() to perform argument expansion.
8396 * Basically this function append an argument to 'argv'
8397 * (and increments argc by reference accordingly), performing
8398 * expansion of the list object if 'expand' is non-zero, or
8399 * just adding objPtr to argv if 'expand' is zero. */
8400 void Jim_ExpandArgument(Jim_Interp
*interp
, Jim_Obj
***argv
,
8401 int *argcPtr
, int expand
, Jim_Obj
*objPtr
)
8404 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+1));
8405 /* refcount of objPtr not incremented because
8406 * we are actually transfering a reference from
8407 * the old 'argv' to the expanded one. */
8408 (*argv
)[*argcPtr
] = objPtr
;
8413 Jim_ListLength(interp
, objPtr
, &len
);
8414 (*argv
) = Jim_Realloc(*argv
, sizeof(Jim_Obj
*)*((*argcPtr
)+len
));
8415 for (i
= 0; i
< len
; i
++) {
8416 (*argv
)[*argcPtr
] = objPtr
->internalRep
.listValue
.ele
[i
];
8417 Jim_IncrRefCount(objPtr
->internalRep
.listValue
.ele
[i
]);
8420 /* The original object reference is no longer needed,
8421 * after the expansion it is no longer present on
8422 * the argument vector, but the single elements are
8424 Jim_DecrRefCount(interp
, objPtr
);
8428 int Jim_EvalObj(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8433 int *cs
; /* command structure array */
8434 int retcode
= JIM_OK
;
8435 Jim_Obj
*sargv
[JIM_EVAL_SARGV_LEN
], **argv
= NULL
, *tmpObjPtr
;
8437 interp
->errorFlag
= 0;
8439 /* If the object is of type "list" and there is no
8440 * string representation for this object, we can call
8441 * a specialized version of Jim_EvalObj() */
8442 if (scriptObjPtr
->typePtr
== &listObjType
&&
8443 scriptObjPtr
->internalRep
.listValue
.len
&&
8444 scriptObjPtr
->bytes
== NULL
) {
8445 Jim_IncrRefCount(scriptObjPtr
);
8446 retcode
= Jim_EvalObjVector(interp
,
8447 scriptObjPtr
->internalRep
.listValue
.len
,
8448 scriptObjPtr
->internalRep
.listValue
.ele
);
8449 Jim_DecrRefCount(interp
, scriptObjPtr
);
8453 Jim_IncrRefCount(scriptObjPtr
); /* Make sure it's shared. */
8454 script
= Jim_GetScript(interp
, scriptObjPtr
);
8455 /* Now we have to make sure the internal repr will not be
8456 * freed on shimmering.
8458 * Think for example to this:
8460 * set x {llength $x; ... some more code ...}; eval $x
8462 * In order to preserve the internal rep, we increment the
8463 * inUse field of the script internal rep structure. */
8466 token
= script
->token
;
8468 cs
= script
->cmdStruct
;
8469 i
= 0; /* 'i' is the current token index. */
8471 /* Reset the interpreter result. This is useful to
8472 * return the emtpy result in the case of empty program. */
8473 Jim_SetEmptyResult(interp
);
8475 /* Execute every command sequentially, returns on
8476 * error (i.e. if a command does not return JIM_OK) */
8479 int argc
= *cs
++; /* Get the number of arguments */
8482 /* Set the expand flag if needed. */
8487 /* Allocate the arguments vector */
8488 if (argc
<= JIM_EVAL_SARGV_LEN
)
8491 argv
= Jim_Alloc(sizeof(Jim_Obj
*)*argc
);
8492 /* Populate the arguments objects. */
8493 for (j
= 0; j
< argc
; j
++) {
8496 /* tokens is negative if expansion is needed.
8497 * for this argument. */
8499 tokens
= (-tokens
)-1;
8503 /* Fast path if the token does not
8504 * need interpolation */
8505 switch(token
[i
].type
) {
8508 argv
[j
] = token
[i
].objPtr
;
8511 tmpObjPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
,
8517 argv
[j
] = tmpObjPtr
;
8519 case JIM_TT_DICTSUGAR
:
8520 tmpObjPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
8525 argv
[j
] = tmpObjPtr
;
8528 retcode
= Jim_EvalObj(interp
, token
[i
].objPtr
);
8529 if (retcode
!= JIM_OK
)
8531 argv
[j
] = Jim_GetResult(interp
);
8535 "default token type reached "
8536 "in Jim_EvalObj().");
8539 Jim_IncrRefCount(argv
[j
]);
8542 /* For interpolation we call an helper
8543 * function doing the work for us. */
8544 if ((retcode
= Jim_InterpolateTokens(interp
,
8545 token
+i
, tokens
, &tmpObjPtr
)) != JIM_OK
)
8549 argv
[j
] = tmpObjPtr
;
8550 Jim_IncrRefCount(argv
[j
]);
8554 /* Handle {expand} expansion */
8556 int *ecs
= cs
- argc
;
8558 Jim_Obj
**eargv
= NULL
;
8560 for (j
= 0; j
< argc
; j
++) {
8561 Jim_ExpandArgument( interp
, &eargv
, &eargc
,
8562 ecs
[j
] < 0, argv
[j
]);
8570 /* Nothing to do with zero args. */
8575 /* Lookup the command to call */
8576 cmd
= Jim_GetCommand(interp
, argv
[0], JIM_ERRMSG
);
8578 /* Call it -- Make sure result is an empty object. */
8579 Jim_SetEmptyResult(interp
);
8581 interp
->cmdPrivData
= cmd
->privData
;
8582 retcode
= cmd
->cmdProc(interp
, argc
, argv
);
8584 retcode
= JimCallProcedure(interp
, cmd
, argc
, argv
);
8585 if (retcode
== JIM_ERR
) {
8586 JimAppendStackTrace(interp
,
8587 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8588 token
[i
-argc
*2].linenr
);
8592 /* Call [unknown] */
8593 retcode
= JimUnknown(interp
, argc
, argv
);
8594 if (retcode
== JIM_ERR
) {
8595 JimAppendStackTrace(interp
,
8596 Jim_GetString(argv
[0], NULL
), script
->fileName
,
8597 token
[i
-argc
*2].linenr
);
8600 if (retcode
!= JIM_OK
) {
8601 i
-= argc
*2; /* point to the command name. */
8604 /* Decrement the arguments count */
8605 for (j
= 0; j
< argc
; j
++) {
8606 Jim_DecrRefCount(interp
, argv
[j
]);
8609 if (argv
!= sargv
) {
8614 /* Note that we don't have to decrement inUse, because the
8615 * following code transfers our use of the reference again to
8616 * the script object. */
8617 j
= 0; /* on normal termination, the argv array is already
8618 Jim_DecrRefCount-ed. */
8620 /* Handle errors. */
8621 if (retcode
== JIM_ERR
&& !interp
->errorFlag
) {
8622 interp
->errorFlag
= 1;
8623 JimSetErrorFileName(interp
, script
->fileName
);
8624 JimSetErrorLineNumber(interp
, token
[i
].linenr
);
8625 JimResetStackTrace(interp
);
8627 Jim_FreeIntRep(interp
, scriptObjPtr
);
8628 scriptObjPtr
->typePtr
= &scriptObjType
;
8629 Jim_SetIntRepPtr(scriptObjPtr
, script
);
8630 Jim_DecrRefCount(interp
, scriptObjPtr
);
8631 for (i
= 0; i
< j
; i
++) {
8632 Jim_DecrRefCount(interp
, argv
[i
]);
8639 /* Call a procedure implemented in Tcl.
8640 * It's possible to speed-up a lot this function, currently
8641 * the callframes are not cached, but allocated and
8642 * destroied every time. What is expecially costly is
8643 * to create/destroy the local vars hash table every time.
8645 * This can be fixed just implementing callframes caching
8646 * in JimCreateCallFrame() and JimFreeCallFrame(). */
8647 int JimCallProcedure(Jim_Interp
*interp
, Jim_Cmd
*cmd
, int argc
,
8648 Jim_Obj
*const *argv
)
8651 Jim_CallFrame
*callFramePtr
;
8654 if (argc
< cmd
->arityMin
|| (cmd
->arityMax
!= -1 &&
8655 argc
> cmd
->arityMax
)) {
8656 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
8657 Jim_AppendStrings(interp
, objPtr
,
8658 "wrong # args: should be \"", Jim_GetString(argv
[0], NULL
),
8659 (cmd
->arityMin
> 1) ? " " : "",
8660 Jim_GetString(cmd
->argListObjPtr
, NULL
), "\"", NULL
);
8661 Jim_SetResult(interp
, objPtr
);
8664 /* Check if there are too nested calls */
8665 if (interp
->numLevels
== interp
->maxNestingDepth
) {
8666 Jim_SetResultString(interp
,
8667 "Too many nested calls. Infinite recursion?", -1);
8670 /* Create a new callframe */
8671 callFramePtr
= JimCreateCallFrame(interp
);
8672 callFramePtr
->parentCallFrame
= interp
->framePtr
;
8673 callFramePtr
->argv
= argv
;
8674 callFramePtr
->argc
= argc
;
8675 callFramePtr
->procArgsObjPtr
= cmd
->argListObjPtr
;
8676 callFramePtr
->procBodyObjPtr
= cmd
->bodyObjPtr
;
8677 callFramePtr
->staticVars
= cmd
->staticVars
;
8678 Jim_IncrRefCount(cmd
->argListObjPtr
);
8679 Jim_IncrRefCount(cmd
->bodyObjPtr
);
8680 interp
->framePtr
= callFramePtr
;
8681 interp
->numLevels
++;
8683 for (i
= 0; i
< cmd
->arityMin
-1; i
++) {
8686 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &objPtr
, JIM_NONE
);
8687 Jim_SetVariable(interp
, objPtr
, argv
[i
+1]);
8689 if (cmd
->arityMax
== -1) {
8690 Jim_Obj
*listObjPtr
, *objPtr
;
8692 listObjPtr
= Jim_NewListObj(interp
, argv
+cmd
->arityMin
,
8693 argc
-cmd
->arityMin
);
8694 Jim_ListIndex(interp
, cmd
->argListObjPtr
, i
, &objPtr
, JIM_NONE
);
8695 Jim_SetVariable(interp
, objPtr
, listObjPtr
);
8698 retcode
= Jim_EvalObj(interp
, cmd
->bodyObjPtr
);
8700 /* Destroy the callframe */
8701 interp
->numLevels
--;
8702 interp
->framePtr
= interp
->framePtr
->parentCallFrame
;
8703 if (callFramePtr
->vars
.size
!= JIM_HT_INITIAL_SIZE
) {
8704 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NONE
);
8706 JimFreeCallFrame(interp
, callFramePtr
, JIM_FCF_NOHT
);
8708 /* Handle the JIM_EVAL return code */
8709 if (retcode
== JIM_EVAL
&& interp
->evalRetcodeLevel
!= interp
->numLevels
) {
8710 int savedLevel
= interp
->evalRetcodeLevel
;
8712 interp
->evalRetcodeLevel
= interp
->numLevels
;
8713 while (retcode
== JIM_EVAL
) {
8714 Jim_Obj
*resultScriptObjPtr
= Jim_GetResult(interp
);
8715 Jim_IncrRefCount(resultScriptObjPtr
);
8716 retcode
= Jim_EvalObj(interp
, resultScriptObjPtr
);
8717 Jim_DecrRefCount(interp
, resultScriptObjPtr
);
8719 interp
->evalRetcodeLevel
= savedLevel
;
8721 /* Handle the JIM_RETURN return code */
8722 if (retcode
== JIM_RETURN
) {
8723 retcode
= interp
->returnCode
;
8724 interp
->returnCode
= JIM_OK
;
8729 int Jim_Eval(Jim_Interp
*interp
, const char *script
)
8731 Jim_Obj
*scriptObjPtr
= Jim_NewStringObj(interp
, script
, -1);
8734 Jim_IncrRefCount(scriptObjPtr
);
8735 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8736 Jim_DecrRefCount(interp
, scriptObjPtr
);
8740 /* Execute script in the scope of the global level */
8741 int Jim_EvalGlobal(Jim_Interp
*interp
, const char *script
)
8743 Jim_CallFrame
*savedFramePtr
;
8746 savedFramePtr
= interp
->framePtr
;
8747 interp
->framePtr
= interp
->topFramePtr
;
8748 retval
= Jim_Eval(interp
, script
);
8749 interp
->framePtr
= savedFramePtr
;
8753 int Jim_EvalObjBackground(Jim_Interp
*interp
, Jim_Obj
*scriptObjPtr
)
8755 Jim_CallFrame
*savedFramePtr
;
8758 savedFramePtr
= interp
->framePtr
;
8759 interp
->framePtr
= interp
->topFramePtr
;
8760 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8761 interp
->framePtr
= savedFramePtr
;
8762 /* Try to report the error (if any) via the bgerror proc */
8763 if (retval
!= JIM_OK
) {
8766 objv
[0] = Jim_NewStringObj(interp
, "bgerror", -1);
8767 objv
[1] = Jim_GetResult(interp
);
8768 Jim_IncrRefCount(objv
[0]);
8769 Jim_IncrRefCount(objv
[1]);
8770 if (Jim_EvalObjVector(interp
, 2, objv
) != JIM_OK
) {
8771 /* Report the error to stderr. */
8772 Jim_fprintf( interp
, interp
->cookie_stderr
, "Background error:" JIM_NL
);
8773 Jim_PrintErrorMessage(interp
);
8775 Jim_DecrRefCount(interp
, objv
[0]);
8776 Jim_DecrRefCount(interp
, objv
[1]);
8781 int Jim_EvalFile(Jim_Interp
*interp
, const char *filename
)
8785 int nread
, totread
, maxlen
, buflen
;
8787 Jim_Obj
*scriptObjPtr
;
8789 if ((fp
= fopen(filename
, "r")) == NULL
) {
8790 const int cwd_len
=2048;
8791 char *cwd
=malloc(cwd_len
);
8792 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
8793 getcwd( cwd
, cwd_len
);
8794 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
8795 "Error loading script \"", filename
, "\"",
8797 " err: ", strerror(errno
), NULL
);
8802 maxlen
= totread
= 0;
8804 if (maxlen
< totread
+buflen
+1) {
8805 maxlen
= totread
+buflen
+1;
8806 prg
= Jim_Realloc(prg
, maxlen
);
8808 /* do not use Jim_fread() - this is really a file */
8809 if ((nread
= fread(prg
+totread
, 1, buflen
, fp
)) == 0) break;
8812 prg
[totread
] = '\0';
8813 /* do not use Jim_fclose() - this is really a file */
8816 scriptObjPtr
= Jim_NewStringObjNoAlloc(interp
, prg
, totread
);
8817 JimSetSourceInfo(interp
, scriptObjPtr
, filename
, 1);
8818 Jim_IncrRefCount(scriptObjPtr
);
8819 retval
= Jim_EvalObj(interp
, scriptObjPtr
);
8820 Jim_DecrRefCount(interp
, scriptObjPtr
);
8824 /* -----------------------------------------------------------------------------
8826 * ---------------------------------------------------------------------------*/
8827 static int JimParseSubstStr(struct JimParserCtx
*pc
)
8830 pc
->tline
= pc
->linenr
;
8831 while (*pc
->p
&& *pc
->p
!= '$' && *pc
->p
!= '[') {
8835 pc
->tt
= JIM_TT_ESC
;
8839 static int JimParseSubst(struct JimParserCtx
*pc
, int flags
)
8844 pc
->tstart
= pc
->tend
= pc
->p
;
8845 pc
->tline
= pc
->linenr
;
8846 pc
->tt
= JIM_TT_EOL
;
8852 retval
= JimParseCmd(pc
);
8853 if (flags
& JIM_SUBST_NOCMD
) {
8856 pc
->tt
= (flags
& JIM_SUBST_NOESC
) ?
8857 JIM_TT_STR
: JIM_TT_ESC
;
8862 if (JimParseVar(pc
) == JIM_ERR
) {
8863 pc
->tstart
= pc
->tend
= pc
->p
++; pc
->len
--;
8864 pc
->tline
= pc
->linenr
;
8865 pc
->tt
= JIM_TT_STR
;
8867 if (flags
& JIM_SUBST_NOVAR
) {
8869 if (flags
& JIM_SUBST_NOESC
)
8870 pc
->tt
= JIM_TT_STR
;
8872 pc
->tt
= JIM_TT_ESC
;
8873 if (*pc
->tstart
== '{') {
8882 retval
= JimParseSubstStr(pc
);
8883 if (flags
& JIM_SUBST_NOESC
)
8884 pc
->tt
= JIM_TT_STR
;
8891 /* The subst object type reuses most of the data structures and functions
8892 * of the script object. Script's data structures are a bit more complex
8893 * for what is needed for [subst]itution tasks, but the reuse helps to
8894 * deal with a single data structure at the cost of some more memory
8895 * usage for substitutions. */
8896 static Jim_ObjType substObjType
= {
8898 FreeScriptInternalRep
,
8899 DupScriptInternalRep
,
8901 JIM_TYPE_REFERENCES
,
8904 /* This method takes the string representation of an object
8905 * as a Tcl string where to perform [subst]itution, and generates
8906 * the pre-parsed internal representation. */
8907 int SetSubstFromAny(Jim_Interp
*interp
, struct Jim_Obj
*objPtr
, int flags
)
8910 const char *scriptText
= Jim_GetString(objPtr
, &scriptTextLen
);
8911 struct JimParserCtx parser
;
8912 struct ScriptObj
*script
= Jim_Alloc(sizeof(*script
));
8916 script
->commands
= 0;
8917 script
->token
= NULL
;
8918 script
->cmdStruct
= NULL
;
8920 script
->substFlags
= flags
;
8921 script
->fileName
= NULL
;
8923 JimParserInit(&parser
, scriptText
, scriptTextLen
, 1);
8926 int len
, type
, linenr
;
8928 JimParseSubst(&parser
, flags
);
8929 if (JimParserEof(&parser
)) break;
8930 token
= JimParserGetToken(&parser
, &len
, &type
, &linenr
);
8931 ScriptObjAddToken(interp
, script
, token
, len
, type
,
8934 /* Free the old internal rep and set the new one. */
8935 Jim_FreeIntRep(interp
, objPtr
);
8936 Jim_SetIntRepPtr(objPtr
, script
);
8937 objPtr
->typePtr
= &scriptObjType
;
8941 ScriptObj
*Jim_GetSubst(Jim_Interp
*interp
, Jim_Obj
*objPtr
, int flags
)
8943 struct ScriptObj
*script
= Jim_GetIntRepPtr(objPtr
);
8945 if (objPtr
->typePtr
!= &substObjType
|| script
->substFlags
!= flags
)
8946 SetSubstFromAny(interp
, objPtr
, flags
);
8947 return (ScriptObj
*) Jim_GetIntRepPtr(objPtr
);
8950 /* Performs commands,variables,blackslashes substitution,
8951 * storing the result object (with refcount 0) into
8953 int Jim_SubstObj(Jim_Interp
*interp
, Jim_Obj
*substObjPtr
,
8954 Jim_Obj
**resObjPtrPtr
, int flags
)
8958 int i
, len
, retcode
= JIM_OK
;
8959 Jim_Obj
*resObjPtr
, *savedResultObjPtr
;
8961 script
= Jim_GetSubst(interp
, substObjPtr
, flags
);
8962 #ifdef JIM_OPTIMIZATION
8963 /* Fast path for a very common case with array-alike syntax,
8964 * that's: $foo($bar) */
8965 if (script
->len
== 1 && script
->token
[0].type
== JIM_TT_VAR
) {
8966 Jim_Obj
*varObjPtr
= script
->token
[0].objPtr
;
8968 Jim_IncrRefCount(varObjPtr
);
8969 resObjPtr
= Jim_GetVariable(interp
, varObjPtr
, JIM_ERRMSG
);
8970 if (resObjPtr
== NULL
) {
8971 Jim_DecrRefCount(interp
, varObjPtr
);
8974 Jim_DecrRefCount(interp
, varObjPtr
);
8975 *resObjPtrPtr
= resObjPtr
;
8980 Jim_IncrRefCount(substObjPtr
); /* Make sure it's shared. */
8981 /* In order to preserve the internal rep, we increment the
8982 * inUse field of the script internal rep structure. */
8985 token
= script
->token
;
8988 /* Save the interp old result, to set it again before
8990 savedResultObjPtr
= interp
->result
;
8991 Jim_IncrRefCount(savedResultObjPtr
);
8993 /* Perform the substitution. Starts with an empty object
8994 * and adds every token (performing the appropriate
8995 * var/command/escape substitution). */
8996 resObjPtr
= Jim_NewStringObj(interp
, "", 0);
8997 for (i
= 0; i
< len
; i
++) {
9000 switch(token
[i
].type
) {
9003 Jim_AppendObj(interp
, resObjPtr
, token
[i
].objPtr
);
9006 objPtr
= Jim_GetVariable(interp
, token
[i
].objPtr
, JIM_ERRMSG
);
9007 if (objPtr
== NULL
) goto err
;
9008 Jim_IncrRefCount(objPtr
);
9009 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
9010 Jim_DecrRefCount(interp
, objPtr
);
9012 case JIM_TT_DICTSUGAR
:
9013 objPtr
= Jim_ExpandDictSugar(interp
, token
[i
].objPtr
);
9020 if (Jim_EvalObj(interp
, token
[i
].objPtr
) != JIM_OK
)
9022 Jim_AppendObj(interp
, resObjPtr
, interp
->result
);
9026 "default token type (%d) reached "
9027 "in Jim_SubstObj().", token
[i
].type
);
9032 if (retcode
== JIM_OK
)
9033 Jim_SetResult(interp
, savedResultObjPtr
);
9034 Jim_DecrRefCount(interp
, savedResultObjPtr
);
9035 /* Note that we don't have to decrement inUse, because the
9036 * following code transfers our use of the reference again to
9037 * the script object. */
9038 Jim_FreeIntRep(interp
, substObjPtr
);
9039 substObjPtr
->typePtr
= &scriptObjType
;
9040 Jim_SetIntRepPtr(substObjPtr
, script
);
9041 Jim_DecrRefCount(interp
, substObjPtr
);
9042 *resObjPtrPtr
= resObjPtr
;
9045 Jim_FreeNewObj(interp
, resObjPtr
);
9050 /* -----------------------------------------------------------------------------
9051 * API Input/Export functions
9052 * ---------------------------------------------------------------------------*/
9054 int Jim_GetApi(Jim_Interp
*interp
, const char *funcname
, void *targetPtrPtr
)
9058 he
= Jim_FindHashEntry(&interp
->stub
, funcname
);
9061 memcpy(targetPtrPtr
, &he
->val
, sizeof(void*));
9065 int Jim_RegisterApi(Jim_Interp
*interp
, const char *funcname
, void *funcptr
)
9067 return Jim_AddHashEntry(&interp
->stub
, funcname
, funcptr
);
9070 #define JIM_REGISTER_API(name) \
9071 Jim_RegisterApi(interp, "Jim_" #name, (void *)Jim_ ## name)
9073 void JimRegisterCoreApi(Jim_Interp
*interp
)
9075 interp
->getApiFuncPtr
= Jim_GetApi
;
9076 JIM_REGISTER_API(Alloc
);
9077 JIM_REGISTER_API(Free
);
9078 JIM_REGISTER_API(Eval
);
9079 JIM_REGISTER_API(EvalGlobal
);
9080 JIM_REGISTER_API(EvalFile
);
9081 JIM_REGISTER_API(EvalObj
);
9082 JIM_REGISTER_API(EvalObjBackground
);
9083 JIM_REGISTER_API(EvalObjVector
);
9084 JIM_REGISTER_API(InitHashTable
);
9085 JIM_REGISTER_API(ExpandHashTable
);
9086 JIM_REGISTER_API(AddHashEntry
);
9087 JIM_REGISTER_API(ReplaceHashEntry
);
9088 JIM_REGISTER_API(DeleteHashEntry
);
9089 JIM_REGISTER_API(FreeHashTable
);
9090 JIM_REGISTER_API(FindHashEntry
);
9091 JIM_REGISTER_API(ResizeHashTable
);
9092 JIM_REGISTER_API(GetHashTableIterator
);
9093 JIM_REGISTER_API(NextHashEntry
);
9094 JIM_REGISTER_API(NewObj
);
9095 JIM_REGISTER_API(FreeObj
);
9096 JIM_REGISTER_API(InvalidateStringRep
);
9097 JIM_REGISTER_API(InitStringRep
);
9098 JIM_REGISTER_API(DuplicateObj
);
9099 JIM_REGISTER_API(GetString
);
9100 JIM_REGISTER_API(Length
);
9101 JIM_REGISTER_API(InvalidateStringRep
);
9102 JIM_REGISTER_API(NewStringObj
);
9103 JIM_REGISTER_API(NewStringObjNoAlloc
);
9104 JIM_REGISTER_API(AppendString
);
9105 JIM_REGISTER_API(AppendObj
);
9106 JIM_REGISTER_API(AppendStrings
);
9107 JIM_REGISTER_API(StringEqObj
);
9108 JIM_REGISTER_API(StringMatchObj
);
9109 JIM_REGISTER_API(StringRangeObj
);
9110 JIM_REGISTER_API(FormatString
);
9111 JIM_REGISTER_API(CompareStringImmediate
);
9112 JIM_REGISTER_API(NewReference
);
9113 JIM_REGISTER_API(GetReference
);
9114 JIM_REGISTER_API(SetFinalizer
);
9115 JIM_REGISTER_API(GetFinalizer
);
9116 JIM_REGISTER_API(CreateInterp
);
9117 JIM_REGISTER_API(FreeInterp
);
9118 JIM_REGISTER_API(GetExitCode
);
9119 JIM_REGISTER_API(SetStdin
);
9120 JIM_REGISTER_API(SetStdout
);
9121 JIM_REGISTER_API(SetStderr
);
9122 JIM_REGISTER_API(CreateCommand
);
9123 JIM_REGISTER_API(CreateProcedure
);
9124 JIM_REGISTER_API(DeleteCommand
);
9125 JIM_REGISTER_API(RenameCommand
);
9126 JIM_REGISTER_API(GetCommand
);
9127 JIM_REGISTER_API(SetVariable
);
9128 JIM_REGISTER_API(SetVariableStr
);
9129 JIM_REGISTER_API(SetGlobalVariableStr
);
9130 JIM_REGISTER_API(SetVariableStrWithStr
);
9131 JIM_REGISTER_API(SetVariableLink
);
9132 JIM_REGISTER_API(GetVariable
);
9133 JIM_REGISTER_API(GetCallFrameByLevel
);
9134 JIM_REGISTER_API(Collect
);
9135 JIM_REGISTER_API(CollectIfNeeded
);
9136 JIM_REGISTER_API(GetIndex
);
9137 JIM_REGISTER_API(NewListObj
);
9138 JIM_REGISTER_API(ListAppendElement
);
9139 JIM_REGISTER_API(ListAppendList
);
9140 JIM_REGISTER_API(ListLength
);
9141 JIM_REGISTER_API(ListIndex
);
9142 JIM_REGISTER_API(SetListIndex
);
9143 JIM_REGISTER_API(ConcatObj
);
9144 JIM_REGISTER_API(NewDictObj
);
9145 JIM_REGISTER_API(DictKey
);
9146 JIM_REGISTER_API(DictKeysVector
);
9147 JIM_REGISTER_API(GetIndex
);
9148 JIM_REGISTER_API(GetReturnCode
);
9149 JIM_REGISTER_API(EvalExpression
);
9150 JIM_REGISTER_API(GetBoolFromExpr
);
9151 JIM_REGISTER_API(GetWide
);
9152 JIM_REGISTER_API(GetLong
);
9153 JIM_REGISTER_API(SetWide
);
9154 JIM_REGISTER_API(NewIntObj
);
9155 JIM_REGISTER_API(GetDouble
);
9156 JIM_REGISTER_API(SetDouble
);
9157 JIM_REGISTER_API(NewDoubleObj
);
9158 JIM_REGISTER_API(WrongNumArgs
);
9159 JIM_REGISTER_API(SetDictKeysVector
);
9160 JIM_REGISTER_API(SubstObj
);
9161 JIM_REGISTER_API(RegisterApi
);
9162 JIM_REGISTER_API(PrintErrorMessage
);
9163 JIM_REGISTER_API(InteractivePrompt
);
9164 JIM_REGISTER_API(RegisterCoreCommands
);
9165 JIM_REGISTER_API(GetSharedString
);
9166 JIM_REGISTER_API(ReleaseSharedString
);
9167 JIM_REGISTER_API(Panic
);
9168 JIM_REGISTER_API(StrDup
);
9169 JIM_REGISTER_API(UnsetVariable
);
9170 JIM_REGISTER_API(GetVariableStr
);
9171 JIM_REGISTER_API(GetGlobalVariable
);
9172 JIM_REGISTER_API(GetGlobalVariableStr
);
9173 JIM_REGISTER_API(GetAssocData
);
9174 JIM_REGISTER_API(SetAssocData
);
9175 JIM_REGISTER_API(DeleteAssocData
);
9176 JIM_REGISTER_API(GetEnum
);
9177 JIM_REGISTER_API(ScriptIsComplete
);
9178 JIM_REGISTER_API(PackageRequire
);
9179 JIM_REGISTER_API(PackageProvide
);
9180 JIM_REGISTER_API(InitStack
);
9181 JIM_REGISTER_API(FreeStack
);
9182 JIM_REGISTER_API(StackLen
);
9183 JIM_REGISTER_API(StackPush
);
9184 JIM_REGISTER_API(StackPop
);
9185 JIM_REGISTER_API(StackPeek
);
9186 JIM_REGISTER_API(FreeStackElements
);
9187 JIM_REGISTER_API(fprintf
);
9188 JIM_REGISTER_API(vfprintf
);
9189 JIM_REGISTER_API(fwrite
);
9190 JIM_REGISTER_API(fread
);
9191 JIM_REGISTER_API(fflush
);
9192 JIM_REGISTER_API(fgets
);
9193 JIM_REGISTER_API(GetNvp
);
9194 JIM_REGISTER_API(Nvp_name2value
);
9195 JIM_REGISTER_API(Nvp_name2value_simple
);
9196 JIM_REGISTER_API(Nvp_name2value_obj
);
9197 JIM_REGISTER_API(Nvp_name2value_nocase
);
9198 JIM_REGISTER_API(Nvp_name2value_obj_nocase
);
9200 JIM_REGISTER_API(Nvp_value2name
);
9201 JIM_REGISTER_API(Nvp_value2name_simple
);
9202 JIM_REGISTER_API(Nvp_value2name_obj
);
9204 JIM_REGISTER_API(GetOpt_Setup
);
9205 JIM_REGISTER_API(GetOpt_Debug
);
9206 JIM_REGISTER_API(GetOpt_Obj
);
9207 JIM_REGISTER_API(GetOpt_String
);
9208 JIM_REGISTER_API(GetOpt_Double
);
9209 JIM_REGISTER_API(GetOpt_Wide
);
9210 JIM_REGISTER_API(GetOpt_Nvp
);
9211 JIM_REGISTER_API(GetOpt_NvpUnknown
);
9212 JIM_REGISTER_API(GetOpt_Enum
);
9214 JIM_REGISTER_API(Debug_ArgvString
);
9215 JIM_REGISTER_API(SetResult_sprintf
);
9216 JIM_REGISTER_API(SetResult_NvpUnknown
);
9220 /* -----------------------------------------------------------------------------
9221 * Core commands utility functions
9222 * ---------------------------------------------------------------------------*/
9223 void Jim_WrongNumArgs(Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
,
9227 Jim_Obj
*objPtr
= Jim_NewEmptyStringObj(interp
);
9229 Jim_AppendString(interp
, objPtr
, "wrong # args: should be \"", -1);
9230 for (i
= 0; i
< argc
; i
++) {
9231 Jim_AppendObj(interp
, objPtr
, argv
[i
]);
9232 if (!(i
+1 == argc
&& msg
[0] == '\0'))
9233 Jim_AppendString(interp
, objPtr
, " ", 1);
9235 Jim_AppendString(interp
, objPtr
, msg
, -1);
9236 Jim_AppendString(interp
, objPtr
, "\"", 1);
9237 Jim_SetResult(interp
, objPtr
);
9240 static Jim_Obj
*JimCommandsList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
)
9242 Jim_HashTableIterator
*htiter
;
9244 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9245 const char *pattern
;
9248 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9249 htiter
= Jim_GetHashTableIterator(&interp
->commands
);
9250 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9251 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9252 strlen((const char*)he
->key
), 0))
9254 Jim_ListAppendElement(interp
, listObjPtr
,
9255 Jim_NewStringObj(interp
, he
->key
, -1));
9257 Jim_FreeHashTableIterator(htiter
);
9261 #define JIM_VARLIST_GLOBALS 0
9262 #define JIM_VARLIST_LOCALS 1
9263 #define JIM_VARLIST_VARS 2
9265 static Jim_Obj
*JimVariablesList(Jim_Interp
*interp
, Jim_Obj
*patternObjPtr
,
9268 Jim_HashTableIterator
*htiter
;
9270 Jim_Obj
*listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
9271 const char *pattern
;
9274 pattern
= patternObjPtr
? Jim_GetString(patternObjPtr
, &patternLen
) : NULL
;
9275 if (mode
== JIM_VARLIST_GLOBALS
) {
9276 htiter
= Jim_GetHashTableIterator(&interp
->topFramePtr
->vars
);
9278 /* For [info locals], if we are at top level an emtpy list
9279 * is returned. I don't agree, but we aim at compatibility (SS) */
9280 if (mode
== JIM_VARLIST_LOCALS
&&
9281 interp
->framePtr
== interp
->topFramePtr
)
9283 htiter
= Jim_GetHashTableIterator(&interp
->framePtr
->vars
);
9285 while ((he
= Jim_NextHashEntry(htiter
)) != NULL
) {
9286 Jim_Var
*varPtr
= (Jim_Var
*) he
->val
;
9287 if (mode
== JIM_VARLIST_LOCALS
) {
9288 if (varPtr
->linkFramePtr
!= NULL
)
9291 if (pattern
&& !JimStringMatch(pattern
, patternLen
, he
->key
,
9292 strlen((const char*)he
->key
), 0))
9294 Jim_ListAppendElement(interp
, listObjPtr
,
9295 Jim_NewStringObj(interp
, he
->key
, -1));
9297 Jim_FreeHashTableIterator(htiter
);
9301 static int JimInfoLevel(Jim_Interp
*interp
, Jim_Obj
*levelObjPtr
,
9302 Jim_Obj
**objPtrPtr
)
9304 Jim_CallFrame
*targetCallFrame
;
9306 if (JimGetCallFrameByInteger(interp
, levelObjPtr
, &targetCallFrame
)
9309 /* No proc call at toplevel callframe */
9310 if (targetCallFrame
== interp
->topFramePtr
) {
9311 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
9312 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
9314 Jim_GetString(levelObjPtr
, NULL
), "\"", NULL
);
9317 *objPtrPtr
= Jim_NewListObj(interp
,
9318 targetCallFrame
->argv
,
9319 targetCallFrame
->argc
);
9323 /* -----------------------------------------------------------------------------
9325 * ---------------------------------------------------------------------------*/
9327 /* fake [puts] -- not the real puts, just for debugging. */
9328 static int Jim_PutsCoreCommand(Jim_Interp
*interp
, int argc
,
9329 Jim_Obj
*const *argv
)
9332 int len
, nonewline
= 0;
9334 if (argc
!= 2 && argc
!= 3) {
9335 Jim_WrongNumArgs(interp
, 1, argv
, "-nonewline string");
9339 if (!Jim_CompareStringImmediate(interp
, argv
[1], "-nonewline"))
9341 Jim_SetResultString(interp
, "The second argument must "
9342 "be -nonewline", -1);
9349 str
= Jim_GetString(argv
[1], &len
);
9350 Jim_fwrite(interp
, str
, 1, len
, interp
->cookie_stdout
);
9351 if (!nonewline
) Jim_fprintf( interp
, interp
->cookie_stdout
, JIM_NL
);
9355 /* Helper for [+] and [*] */
9356 static int Jim_AddMulHelper(Jim_Interp
*interp
, int argc
,
9357 Jim_Obj
*const *argv
, int op
)
9359 jim_wide wideValue
, res
;
9360 double doubleValue
, doubleRes
;
9363 res
= (op
== JIM_EXPROP_ADD
) ? 0 : 1;
9365 for (i
= 1; i
< argc
; i
++) {
9366 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
)
9368 if (op
== JIM_EXPROP_ADD
)
9373 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9376 doubleRes
= (double) res
;
9377 for (;i
< argc
; i
++) {
9378 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9380 if (op
== JIM_EXPROP_ADD
)
9381 doubleRes
+= doubleValue
;
9383 doubleRes
*= doubleValue
;
9385 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9389 /* Helper for [-] and [/] */
9390 static int Jim_SubDivHelper(Jim_Interp
*interp
, int argc
,
9391 Jim_Obj
*const *argv
, int op
)
9393 jim_wide wideValue
, res
= 0;
9394 double doubleValue
, doubleRes
= 0;
9398 Jim_WrongNumArgs(interp
, 1, argv
, "number ?number ... number?");
9400 } else if (argc
== 2) {
9401 /* The arity = 2 case is different. For [- x] returns -x,
9402 * while [/ x] returns 1/x. */
9403 if (Jim_GetWide(interp
, argv
[1], &wideValue
) != JIM_OK
) {
9404 if (Jim_GetDouble(interp
, argv
[1], &doubleValue
) !=
9409 if (op
== JIM_EXPROP_SUB
)
9410 doubleRes
= -doubleValue
;
9412 doubleRes
= 1.0/doubleValue
;
9413 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9418 if (op
== JIM_EXPROP_SUB
) {
9420 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9422 doubleRes
= 1.0/wideValue
;
9423 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
,
9428 if (Jim_GetWide(interp
, argv
[1], &res
) != JIM_OK
) {
9429 if (Jim_GetDouble(interp
, argv
[1], &doubleRes
)
9437 for (i
= 2; i
< argc
; i
++) {
9438 if (Jim_GetWide(interp
, argv
[i
], &wideValue
) != JIM_OK
) {
9439 doubleRes
= (double) res
;
9442 if (op
== JIM_EXPROP_SUB
)
9447 Jim_SetResult(interp
, Jim_NewIntObj(interp
, res
));
9450 for (;i
< argc
; i
++) {
9451 if (Jim_GetDouble(interp
, argv
[i
], &doubleValue
) != JIM_OK
)
9453 if (op
== JIM_EXPROP_SUB
)
9454 doubleRes
-= doubleValue
;
9456 doubleRes
/= doubleValue
;
9458 Jim_SetResult(interp
, Jim_NewDoubleObj(interp
, doubleRes
));
9464 static int Jim_AddCoreCommand(Jim_Interp
*interp
, int argc
,
9465 Jim_Obj
*const *argv
)
9467 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_ADD
);
9471 static int Jim_MulCoreCommand(Jim_Interp
*interp
, int argc
,
9472 Jim_Obj
*const *argv
)
9474 return Jim_AddMulHelper(interp
, argc
, argv
, JIM_EXPROP_MUL
);
9478 static int Jim_SubCoreCommand(Jim_Interp
*interp
, int argc
,
9479 Jim_Obj
*const *argv
)
9481 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_SUB
);
9485 static int Jim_DivCoreCommand(Jim_Interp
*interp
, int argc
,
9486 Jim_Obj
*const *argv
)
9488 return Jim_SubDivHelper(interp
, argc
, argv
, JIM_EXPROP_DIV
);
9492 static int Jim_SetCoreCommand(Jim_Interp
*interp
, int argc
,
9493 Jim_Obj
*const *argv
)
9495 if (argc
!= 2 && argc
!= 3) {
9496 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?newValue?");
9501 objPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9504 Jim_SetResult(interp
, objPtr
);
9507 /* argc == 3 case. */
9508 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
9510 Jim_SetResult(interp
, argv
[2]);
9515 static int Jim_UnsetCoreCommand(Jim_Interp
*interp
, int argc
,
9516 Jim_Obj
*const *argv
)
9521 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
9524 for (i
= 1; i
< argc
; i
++) {
9525 if (Jim_UnsetVariable(interp
, argv
[i
], JIM_ERRMSG
) != JIM_OK
)
9532 static int Jim_IncrCoreCommand(Jim_Interp
*interp
, int argc
,
9533 Jim_Obj
*const *argv
)
9535 jim_wide wideValue
, increment
= 1;
9538 if (argc
!= 2 && argc
!= 3) {
9539 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?increment?");
9543 if (Jim_GetWide(interp
, argv
[2], &increment
) != JIM_OK
)
9546 intObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
9547 if (!intObjPtr
) return JIM_ERR
;
9548 if (Jim_GetWide(interp
, intObjPtr
, &wideValue
) != JIM_OK
)
9550 if (Jim_IsShared(intObjPtr
)) {
9551 intObjPtr
= Jim_NewIntObj(interp
, wideValue
+increment
);
9552 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9553 Jim_FreeNewObj(interp
, intObjPtr
);
9557 Jim_SetWide(interp
, intObjPtr
, wideValue
+increment
);
9558 /* The following step is required in order to invalidate the
9559 * string repr of "FOO" if the var name is on the form of "FOO(IDX)" */
9560 if (Jim_SetVariable(interp
, argv
[1], intObjPtr
) != JIM_OK
) {
9564 Jim_SetResult(interp
, intObjPtr
);
9569 static int Jim_WhileCoreCommand(Jim_Interp
*interp
, int argc
,
9570 Jim_Obj
*const *argv
)
9573 Jim_WrongNumArgs(interp
, 1, argv
, "condition body");
9576 /* Try to run a specialized version of while if the expression
9577 * is in one of the following forms:
9579 * $a < CONST, $a < $b
9580 * $a <= CONST, $a <= $b
9581 * $a > CONST, $a > $b
9582 * $a >= CONST, $a >= $b
9583 * $a != CONST, $a != $b
9584 * $a == CONST, $a == $b
9590 #ifdef JIM_OPTIMIZATION
9593 Jim_Obj
*varAObjPtr
= NULL
, *varBObjPtr
= NULL
, *objPtr
;
9594 int exprLen
, retval
;
9596 /* STEP 1 -- Check if there are the conditions to run the specialized
9597 * version of while */
9599 if ((expr
= Jim_GetExpression(interp
, argv
[1])) == NULL
) goto noopt
;
9600 if (expr
->len
<= 0 || expr
->len
> 3) goto noopt
;
9603 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
&&
9604 expr
->opcode
[0] != JIM_EXPROP_NUMBER
)
9608 if (expr
->opcode
[1] != JIM_EXPROP_NOT
||
9609 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
)
9613 if (expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9614 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9615 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
))
9617 switch(expr
->opcode
[2]) {
9619 case JIM_EXPROP_LTE
:
9621 case JIM_EXPROP_GTE
:
9622 case JIM_EXPROP_NUMEQ
:
9623 case JIM_EXPROP_NUMNE
:
9632 "Unexpected default reached in Jim_WhileCoreCommand()");
9636 /* STEP 2 -- conditions meet. Initialization. Take different
9637 * branches for different expression lengths. */
9638 exprLen
= expr
->len
;
9643 if (expr
->opcode
[0] == JIM_EXPROP_VARIABLE
) {
9644 varAObjPtr
= expr
->obj
[0];
9645 Jim_IncrRefCount(varAObjPtr
);
9647 if (Jim_GetWide(interp
, expr
->obj
[0], &wideValue
) != JIM_OK
)
9653 Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9654 Jim_GetWide(interp
, objPtr
, &wideValue
) != JIM_OK
)
9656 Jim_DecrRefCount(interp
, varAObjPtr
);
9660 if (!wideValue
) break;
9661 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9665 Jim_DecrRefCount(interp
, varAObjPtr
);
9673 Jim_DecrRefCount(interp
, varAObjPtr
);
9679 Jim_DecrRefCount(interp
, varAObjPtr
);
9680 } else if (exprLen
== 3) {
9681 jim_wide wideValueA
, wideValueB
, cmpRes
= 0;
9682 int cmpType
= expr
->opcode
[2];
9684 varAObjPtr
= expr
->obj
[0];
9685 Jim_IncrRefCount(varAObjPtr
);
9686 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9687 varBObjPtr
= expr
->obj
[1];
9688 Jim_IncrRefCount(varBObjPtr
);
9690 if (Jim_GetWide(interp
, expr
->obj
[1], &wideValueB
) != JIM_OK
)
9694 if (!(objPtr
= Jim_GetVariable(interp
, varAObjPtr
, JIM_NONE
)) ||
9695 Jim_GetWide(interp
, objPtr
, &wideValueA
) != JIM_OK
)
9697 Jim_DecrRefCount(interp
, varAObjPtr
);
9699 Jim_DecrRefCount(interp
, varBObjPtr
);
9704 Jim_GetVariable(interp
, varBObjPtr
, JIM_NONE
)) ||
9705 Jim_GetWide(interp
, objPtr
, &wideValueB
) != JIM_OK
)
9707 Jim_DecrRefCount(interp
, varAObjPtr
);
9709 Jim_DecrRefCount(interp
, varBObjPtr
);
9715 cmpRes
= wideValueA
< wideValueB
; break;
9716 case JIM_EXPROP_LTE
:
9717 cmpRes
= wideValueA
<= wideValueB
; break;
9719 cmpRes
= wideValueA
> wideValueB
; break;
9720 case JIM_EXPROP_GTE
:
9721 cmpRes
= wideValueA
>= wideValueB
; break;
9722 case JIM_EXPROP_NUMEQ
:
9723 cmpRes
= wideValueA
== wideValueB
; break;
9724 case JIM_EXPROP_NUMNE
:
9725 cmpRes
= wideValueA
!= wideValueB
; break;
9728 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9731 Jim_DecrRefCount(interp
, varAObjPtr
);
9733 Jim_DecrRefCount(interp
, varBObjPtr
);
9740 Jim_DecrRefCount(interp
, varAObjPtr
);
9742 Jim_DecrRefCount(interp
, varBObjPtr
);
9747 Jim_DecrRefCount(interp
, varAObjPtr
);
9749 Jim_DecrRefCount(interp
, varBObjPtr
);
9751 /* TODO: case for len == 2 */
9754 Jim_SetEmptyResult(interp
);
9760 /* The general purpose implementation of while starts here */
9762 int boolean
, retval
;
9764 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[1],
9765 &boolean
)) != JIM_OK
)
9767 if (!boolean
) break;
9768 if ((retval
= Jim_EvalObj(interp
, argv
[2])) != JIM_OK
) {
9782 Jim_SetEmptyResult(interp
);
9787 static int Jim_ForCoreCommand(Jim_Interp
*interp
, int argc
,
9788 Jim_Obj
*const *argv
)
9793 Jim_WrongNumArgs(interp
, 1, argv
, "start test next body");
9796 /* Check if the for is on the form:
9797 * for {set i CONST} {$i < CONST} {incr i}
9798 * for {set i CONST} {$i < $j} {incr i}
9799 * for {set i CONST} {$i <= CONST} {incr i}
9800 * for {set i CONST} {$i <= $j} {incr i}
9801 * XXX: NOTE: if variable traces are implemented, this optimization
9802 * need to be modified to check for the proc epoch at every variable
9804 #ifdef JIM_OPTIMIZATION
9806 ScriptObj
*initScript
, *incrScript
;
9808 jim_wide start
, stop
, currentVal
;
9809 unsigned jim_wide procEpoch
= interp
->procEpoch
;
9810 Jim_Obj
*varNamePtr
, *stopVarNamePtr
= NULL
, *objPtr
;
9812 struct Jim_Cmd
*cmdPtr
;
9814 /* Do it only if there aren't shared arguments */
9815 if (argv
[1] == argv
[2] || argv
[2] == argv
[3] || argv
[1] == argv
[3])
9817 initScript
= Jim_GetScript(interp
, argv
[1]);
9818 expr
= Jim_GetExpression(interp
, argv
[2]);
9819 incrScript
= Jim_GetScript(interp
, argv
[3]);
9821 /* Ensure proper lengths to start */
9822 if (initScript
->len
!= 6) goto evalstart
;
9823 if (incrScript
->len
!= 4) goto evalstart
;
9824 if (expr
->len
!= 3) goto evalstart
;
9825 /* Ensure proper token types. */
9826 if (initScript
->token
[2].type
!= JIM_TT_ESC
||
9827 initScript
->token
[4].type
!= JIM_TT_ESC
||
9828 incrScript
->token
[2].type
!= JIM_TT_ESC
||
9829 expr
->opcode
[0] != JIM_EXPROP_VARIABLE
||
9830 (expr
->opcode
[1] != JIM_EXPROP_NUMBER
&&
9831 expr
->opcode
[1] != JIM_EXPROP_VARIABLE
) ||
9832 (expr
->opcode
[2] != JIM_EXPROP_LT
&&
9833 expr
->opcode
[2] != JIM_EXPROP_LTE
))
9835 cmpType
= expr
->opcode
[2];
9836 /* Initialization command must be [set] */
9837 cmdPtr
= Jim_GetCommand(interp
, initScript
->token
[0].objPtr
, JIM_NONE
);
9838 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_SetCoreCommand
)
9840 /* Update command must be incr */
9841 cmdPtr
= Jim_GetCommand(interp
, incrScript
->token
[0].objPtr
, JIM_NONE
);
9842 if (cmdPtr
== NULL
|| cmdPtr
->cmdProc
!= Jim_IncrCoreCommand
)
9844 /* set, incr, expression must be about the same variable */
9845 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
9846 incrScript
->token
[2].objPtr
, 0))
9848 if (!Jim_StringEqObj(initScript
->token
[2].objPtr
,
9851 /* Check that the initialization and comparison are valid integers */
9852 if (Jim_GetWide(interp
, initScript
->token
[4].objPtr
, &start
) == JIM_ERR
)
9854 if (expr
->opcode
[1] == JIM_EXPROP_NUMBER
&&
9855 Jim_GetWide(interp
, expr
->obj
[1], &stop
) == JIM_ERR
)
9860 /* Initialization */
9861 varNamePtr
= expr
->obj
[0];
9862 if (expr
->opcode
[1] == JIM_EXPROP_VARIABLE
) {
9863 stopVarNamePtr
= expr
->obj
[1];
9864 Jim_IncrRefCount(stopVarNamePtr
);
9866 Jim_IncrRefCount(varNamePtr
);
9868 /* --- OPTIMIZED FOR --- */
9870 objPtr
= Jim_NewIntObj(interp
, start
);
9871 if (Jim_SetVariable(interp
, varNamePtr
, objPtr
) != JIM_OK
) {
9872 Jim_DecrRefCount(interp
, varNamePtr
);
9873 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
9874 Jim_FreeNewObj(interp
, objPtr
);
9878 /* === Check condition === */
9880 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_NONE
);
9881 if (objPtr
== NULL
||
9882 Jim_GetWide(interp
, objPtr
, ¤tVal
) != JIM_OK
)
9884 Jim_DecrRefCount(interp
, varNamePtr
);
9885 if (stopVarNamePtr
) Jim_DecrRefCount(interp
, stopVarNamePtr
);
9888 /* Immediate or Variable? get the 'stop' value if the latter. */
9889 if (stopVarNamePtr
) {
9890 objPtr
= Jim_GetVariable(interp
, stopVarNamePtr
, JIM_NONE
);
9891 if (objPtr
== NULL
||
9892 Jim_GetWide(interp
, objPtr
, &stop
) != JIM_OK
)
9894 Jim_DecrRefCount(interp
, varNamePtr
);
9895 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9899 if (cmpType
== JIM_EXPROP_LT
) {
9900 if (currentVal
>= stop
) break;
9902 if (currentVal
> stop
) break;
9905 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
9909 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9910 Jim_DecrRefCount(interp
, varNamePtr
);
9917 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9918 Jim_DecrRefCount(interp
, varNamePtr
);
9922 /* If there was a change in procedures/command continue
9923 * with the usual [for] command implementation */
9924 if (procEpoch
!= interp
->procEpoch
) {
9926 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9927 Jim_DecrRefCount(interp
, varNamePtr
);
9931 objPtr
= Jim_GetVariable(interp
, varNamePtr
, JIM_ERRMSG
);
9932 if (objPtr
->refCount
== 1 && objPtr
->typePtr
== &intObjType
) {
9933 objPtr
->internalRep
.wideValue
++;
9934 Jim_InvalidateStringRep(objPtr
);
9938 if (Jim_GetWide(interp
, objPtr
, ¤tVal
) == JIM_ERR
) {
9940 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9941 Jim_DecrRefCount(interp
, varNamePtr
);
9944 auxObjPtr
= Jim_NewIntObj(interp
, currentVal
+1);
9945 if (Jim_SetVariable(interp
, varNamePtr
, auxObjPtr
) == JIM_ERR
) {
9947 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9948 Jim_DecrRefCount(interp
, varNamePtr
);
9949 Jim_FreeNewObj(interp
, auxObjPtr
);
9955 Jim_DecrRefCount(interp
, stopVarNamePtr
);
9956 Jim_DecrRefCount(interp
, varNamePtr
);
9957 Jim_SetEmptyResult(interp
);
9963 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
9968 /* Test the condition */
9969 if ((retval
= Jim_GetBoolFromExpr(interp
, argv
[2], &boolean
))
9972 if (!boolean
) break;
9974 if ((retval
= Jim_EvalObj(interp
, argv
[4])) != JIM_OK
) {
9988 if ((retval
= Jim_EvalObj(interp
, argv
[3])) != JIM_OK
) {
10002 Jim_SetEmptyResult(interp
);
10006 /* foreach + lmap implementation. */
10007 static int JimForeachMapHelper(Jim_Interp
*interp
, int argc
,
10008 Jim_Obj
*const *argv
, int doMap
)
10010 int result
= JIM_ERR
, i
, nbrOfLists
, *listsIdx
, *listsEnd
;
10011 int nbrOfLoops
= 0;
10012 Jim_Obj
*emptyStr
, *script
, *mapRes
= NULL
;
10014 if (argc
< 4 || argc
% 2 != 0) {
10015 Jim_WrongNumArgs(interp
, 1, argv
, "varList list ?varList list ...? script");
10019 mapRes
= Jim_NewListObj(interp
, NULL
, 0);
10020 Jim_IncrRefCount(mapRes
);
10022 emptyStr
= Jim_NewEmptyStringObj(interp
);
10023 Jim_IncrRefCount(emptyStr
);
10024 script
= argv
[argc
-1]; /* Last argument is a script */
10025 nbrOfLists
= (argc
- 1 - 1) / 2; /* argc - 'foreach' - script */
10026 listsIdx
= (int*)Jim_Alloc(nbrOfLists
* sizeof(int));
10027 listsEnd
= (int*)Jim_Alloc(nbrOfLists
*2 * sizeof(int));
10028 /* Initialize iterators and remember max nbr elements each list */
10029 memset(listsIdx
, 0, nbrOfLists
* sizeof(int));
10030 /* Remember lengths of all lists and calculate how much rounds to loop */
10031 for (i
=0; i
< nbrOfLists
*2; i
+= 2) {
10034 Jim_ListLength(interp
, argv
[i
+1], &listsEnd
[i
]);
10035 Jim_ListLength(interp
, argv
[i
+2], &listsEnd
[i
+1]);
10036 if (listsEnd
[i
] == 0) {
10037 Jim_SetResultString(interp
, "foreach varlist is empty", -1);
10040 cnt
= div(listsEnd
[i
+1], listsEnd
[i
]);
10041 count
= cnt
.quot
+ (cnt
.rem
? 1 : 0);
10042 if (count
> nbrOfLoops
)
10043 nbrOfLoops
= count
;
10045 for (; nbrOfLoops
-- > 0; ) {
10046 for (i
=0; i
< nbrOfLists
; ++i
) {
10047 int varIdx
= 0, var
= i
* 2;
10048 while (varIdx
< listsEnd
[var
]) {
10049 Jim_Obj
*varName
, *ele
;
10050 int lst
= i
* 2 + 1;
10051 if (Jim_ListIndex(interp
, argv
[var
+1], varIdx
, &varName
, JIM_ERRMSG
)
10054 if (listsIdx
[i
] < listsEnd
[lst
]) {
10055 if (Jim_ListIndex(interp
, argv
[lst
+1], listsIdx
[i
], &ele
, JIM_ERRMSG
)
10058 if (Jim_SetVariable(interp
, varName
, ele
) != JIM_OK
) {
10059 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10062 ++listsIdx
[i
]; /* Remember next iterator of current list */
10063 } else if (Jim_SetVariable(interp
, varName
, emptyStr
) != JIM_OK
) {
10064 Jim_SetResultString(interp
, "couldn't set loop variable: ", -1);
10067 ++varIdx
; /* Next variable */
10070 switch (result
= Jim_EvalObj(interp
, script
)) {
10073 Jim_ListAppendElement(interp
, mapRes
, interp
->result
);
10087 Jim_SetResult(interp
, mapRes
);
10089 Jim_SetEmptyResult(interp
);
10092 Jim_DecrRefCount(interp
, mapRes
);
10093 Jim_DecrRefCount(interp
, emptyStr
);
10094 Jim_Free(listsIdx
);
10095 Jim_Free(listsEnd
);
10100 static int Jim_ForeachCoreCommand(Jim_Interp
*interp
, int argc
,
10101 Jim_Obj
*const *argv
)
10103 return JimForeachMapHelper(interp
, argc
, argv
, 0);
10107 static int Jim_LmapCoreCommand(Jim_Interp
*interp
, int argc
,
10108 Jim_Obj
*const *argv
)
10110 return JimForeachMapHelper(interp
, argc
, argv
, 1);
10114 static int Jim_IfCoreCommand(Jim_Interp
*interp
, int argc
,
10115 Jim_Obj
*const *argv
)
10117 int boolean
, retval
, current
= 1, falsebody
= 0;
10120 /* Far not enough arguments given! */
10121 if (current
>= argc
) goto err
;
10122 if ((retval
= Jim_GetBoolFromExpr(interp
,
10123 argv
[current
++], &boolean
))
10126 /* There lacks something, isn't it? */
10127 if (current
>= argc
) goto err
;
10128 if (Jim_CompareStringImmediate(interp
, argv
[current
],
10129 "then")) current
++;
10130 /* Tsk tsk, no then-clause? */
10131 if (current
>= argc
) goto err
;
10133 return Jim_EvalObj(interp
, argv
[current
]);
10134 /* Ok: no else-clause follows */
10135 if (++current
>= argc
) {
10136 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10139 falsebody
= current
++;
10140 if (Jim_CompareStringImmediate(interp
, argv
[falsebody
],
10142 /* IIICKS - else-clause isn't last cmd? */
10143 if (current
!= argc
-1) goto err
;
10144 return Jim_EvalObj(interp
, argv
[current
]);
10145 } else if (Jim_CompareStringImmediate(interp
,
10146 argv
[falsebody
], "elseif"))
10147 /* Ok: elseif follows meaning all the stuff
10148 * again (how boring...) */
10150 /* OOPS - else-clause is not last cmd?*/
10151 else if (falsebody
!= argc
-1)
10153 return Jim_EvalObj(interp
, argv
[falsebody
]);
10158 Jim_WrongNumArgs(interp
, 1, argv
, "condition ?then? trueBody ?elseif ...? ?else? falseBody");
10162 enum {SWITCH_EXACT
, SWITCH_GLOB
, SWITCH_RE
, SWITCH_CMD
, SWITCH_UNKNOWN
};
10165 static int Jim_SwitchCoreCommand(Jim_Interp
*interp
, int argc
,
10166 Jim_Obj
*const *argv
)
10168 int retcode
= JIM_ERR
, matchOpt
= SWITCH_EXACT
, opt
=1, patCount
, i
;
10169 Jim_Obj
*command
= 0, *const *caseList
= 0, *strObj
;
10170 Jim_Obj
*script
= 0;
10171 if (argc
< 3) goto wrongnumargs
;
10172 for (opt
=1; opt
< argc
; ++opt
) {
10173 const char *option
= Jim_GetString(argv
[opt
], 0);
10174 if (*option
!= '-') break;
10175 else if (strncmp(option
, "--", 2) == 0) { ++opt
; break; }
10176 else if (strncmp(option
, "-exact", 2) == 0) matchOpt
= SWITCH_EXACT
;
10177 else if (strncmp(option
, "-glob", 2) == 0) matchOpt
= SWITCH_GLOB
;
10178 else if (strncmp(option
, "-regexp", 2) == 0) matchOpt
= SWITCH_RE
;
10179 else if (strncmp(option
, "-command", 2) == 0) { matchOpt
= SWITCH_CMD
;
10180 if ((argc
- opt
) < 2) goto wrongnumargs
;
10181 command
= argv
[++opt
];
10183 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10184 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10185 "bad option \"", option
, "\": must be -exact, -glob, "
10186 "-regexp, -command procname or --", 0);
10189 if ((argc
- opt
) < 2) goto wrongnumargs
;
10191 strObj
= argv
[opt
++];
10192 patCount
= argc
- opt
;
10193 if (patCount
== 1) {
10195 JimListGetElements(interp
, argv
[opt
], &patCount
, &vector
);
10198 caseList
= &argv
[opt
];
10199 if (patCount
== 0 || patCount
% 2 != 0) goto wrongnumargs
;
10200 for (i
=0; script
== 0 && i
< patCount
; i
+= 2) {
10201 Jim_Obj
*patObj
= caseList
[i
];
10202 if (!Jim_CompareStringImmediate(interp
, patObj
, "default")
10203 || i
< (patCount
-2)) {
10204 switch (matchOpt
) {
10206 if (Jim_StringEqObj(strObj
, patObj
, 0))
10207 script
= caseList
[i
+1];
10210 if (Jim_StringMatchObj(patObj
, strObj
, 0))
10211 script
= caseList
[i
+1];
10214 command
= Jim_NewStringObj(interp
, "regexp", -1);
10215 /* Fall thru intentionally */
10217 Jim_Obj
*parms
[] = {command
, patObj
, strObj
};
10218 int rc
= Jim_EvalObjVector(interp
, 3, parms
);
10220 /* After the execution of a command we need to
10221 * make sure to reconvert the object into a list
10222 * again. Only for the single-list style [switch]. */
10223 if (argc
-opt
== 1) {
10225 JimListGetElements(interp
, argv
[opt
], &patCount
,
10229 /* command is here already decref'd */
10230 if (rc
!= JIM_OK
) {
10234 rc
= Jim_GetLong(interp
, Jim_GetResult(interp
), &matching
);
10235 if (rc
!= JIM_OK
) {
10240 script
= caseList
[i
+1];
10244 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10245 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10246 "internal error: no such option implemented", 0);
10250 script
= caseList
[i
+1];
10253 for(; i
< patCount
&& Jim_CompareStringImmediate(interp
, script
, "-");
10255 script
= caseList
[i
+1];
10256 if (script
&& Jim_CompareStringImmediate(interp
, script
, "-")) {
10257 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
10258 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
10259 "no body specified for pattern \"",
10260 Jim_GetString(caseList
[i
-2], 0), "\"", 0);
10264 Jim_SetEmptyResult(interp
);
10266 retcode
= Jim_EvalObj(interp
, script
);
10269 Jim_WrongNumArgs(interp
, 1, argv
, "?options? string "
10270 "pattern body ... ?default body? or "
10271 "{pattern body ?pattern body ...?}");
10277 static int Jim_ListCoreCommand(Jim_Interp
*interp
, int argc
,
10278 Jim_Obj
*const *argv
)
10280 Jim_Obj
*listObjPtr
;
10282 listObjPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10283 Jim_SetResult(interp
, listObjPtr
);
10288 static int Jim_LindexCoreCommand(Jim_Interp
*interp
, int argc
,
10289 Jim_Obj
*const *argv
)
10291 Jim_Obj
*objPtr
, *listObjPtr
;
10296 Jim_WrongNumArgs(interp
, 1, argv
, "list index ?...?");
10300 Jim_IncrRefCount(objPtr
);
10301 for (i
= 2; i
< argc
; i
++) {
10302 listObjPtr
= objPtr
;
10303 if (Jim_GetIndex(interp
, argv
[i
], &index
) != JIM_OK
) {
10304 Jim_DecrRefCount(interp
, listObjPtr
);
10307 if (Jim_ListIndex(interp
, listObjPtr
, index
, &objPtr
,
10308 JIM_NONE
) != JIM_OK
) {
10309 /* Returns an empty object if the index
10310 * is out of range. */
10311 Jim_DecrRefCount(interp
, listObjPtr
);
10312 Jim_SetEmptyResult(interp
);
10315 Jim_IncrRefCount(objPtr
);
10316 Jim_DecrRefCount(interp
, listObjPtr
);
10318 Jim_SetResult(interp
, objPtr
);
10319 Jim_DecrRefCount(interp
, objPtr
);
10324 static int Jim_LlengthCoreCommand(Jim_Interp
*interp
, int argc
,
10325 Jim_Obj
*const *argv
)
10330 Jim_WrongNumArgs(interp
, 1, argv
, "list");
10333 Jim_ListLength(interp
, argv
[1], &len
);
10334 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
10339 static int Jim_LappendCoreCommand(Jim_Interp
*interp
, int argc
,
10340 Jim_Obj
*const *argv
)
10342 Jim_Obj
*listObjPtr
;
10346 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10349 listObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10351 /* Create the list if it does not exists */
10352 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10353 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10354 Jim_FreeNewObj(interp
, listObjPtr
);
10358 shared
= Jim_IsShared(listObjPtr
);
10360 listObjPtr
= Jim_DuplicateObj(interp
, listObjPtr
);
10361 for (i
= 2; i
< argc
; i
++)
10362 Jim_ListAppendElement(interp
, listObjPtr
, argv
[i
]);
10363 if (Jim_SetVariable(interp
, argv
[1], listObjPtr
) != JIM_OK
) {
10365 Jim_FreeNewObj(interp
, listObjPtr
);
10368 Jim_SetResult(interp
, listObjPtr
);
10373 static int Jim_LinsertCoreCommand(Jim_Interp
*interp
, int argc
,
10374 Jim_Obj
*const *argv
)
10380 Jim_WrongNumArgs(interp
, 1, argv
, "list index element "
10385 if (Jim_IsShared(listPtr
))
10386 listPtr
= Jim_DuplicateObj(interp
, listPtr
);
10387 if (Jim_GetIndex(interp
, argv
[2], &index
) != JIM_OK
)
10389 Jim_ListLength(interp
, listPtr
, &len
);
10392 else if (index
< 0)
10393 index
= len
+ index
+ 1;
10394 Jim_ListInsertElements(interp
, listPtr
, index
, argc
-3, &argv
[3]);
10395 Jim_SetResult(interp
, listPtr
);
10398 if (listPtr
!= argv
[1]) {
10399 Jim_FreeNewObj(interp
, listPtr
);
10405 static int Jim_LsetCoreCommand(Jim_Interp
*interp
, int argc
,
10406 Jim_Obj
*const *argv
)
10409 Jim_WrongNumArgs(interp
, 1, argv
, "listVar ?index...? newVal");
10411 } else if (argc
== 3) {
10412 if (Jim_SetVariable(interp
, argv
[1], argv
[2]) != JIM_OK
)
10414 Jim_SetResult(interp
, argv
[2]);
10417 if (Jim_SetListIndex(interp
, argv
[1], argv
+2, argc
-3, argv
[argc
-1])
10418 == JIM_ERR
) return JIM_ERR
;
10423 static int Jim_LsortCoreCommand(Jim_Interp
*interp
, int argc
, Jim_Obj
*const argv
[])
10425 const char *options
[] = {
10426 "-ascii", "-nocase", "-increasing", "-decreasing", NULL
10428 enum {OPT_ASCII
, OPT_NOCASE
, OPT_INCREASING
, OPT_DECREASING
};
10430 int i
, lsortType
= JIM_LSORT_ASCII
; /* default sort type */
10431 int decreasing
= 0;
10434 Jim_WrongNumArgs(interp
, 1, argv
, "?options? list");
10437 for (i
= 1; i
< (argc
-1); i
++) {
10440 if (Jim_GetEnum(interp
, argv
[i
], options
, &option
, "option", JIM_ERRMSG
)
10444 case OPT_ASCII
: lsortType
= JIM_LSORT_ASCII
; break;
10445 case OPT_NOCASE
: lsortType
= JIM_LSORT_NOCASE
; break;
10446 case OPT_INCREASING
: decreasing
= 0; break;
10447 case OPT_DECREASING
: decreasing
= 1; break;
10451 switch(lsortType
) {
10452 case JIM_LSORT_ASCII
: lsortType
= JIM_LSORT_ASCII_DECR
; break;
10453 case JIM_LSORT_NOCASE
: lsortType
= JIM_LSORT_NOCASE_DECR
; break;
10456 resObj
= Jim_DuplicateObj(interp
, argv
[argc
-1]);
10457 ListSortElements(interp
, resObj
, lsortType
);
10458 Jim_SetResult(interp
, resObj
);
10463 static int Jim_AppendCoreCommand(Jim_Interp
*interp
, int argc
,
10464 Jim_Obj
*const *argv
)
10466 Jim_Obj
*stringObjPtr
;
10470 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?value value ...?");
10474 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_ERRMSG
);
10475 if (!stringObjPtr
) return JIM_ERR
;
10477 stringObjPtr
= Jim_GetVariable(interp
, argv
[1], JIM_NONE
);
10478 if (!stringObjPtr
) {
10479 /* Create the string if it does not exists */
10480 stringObjPtr
= Jim_NewEmptyStringObj(interp
);
10481 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
)
10483 Jim_FreeNewObj(interp
, stringObjPtr
);
10488 shared
= Jim_IsShared(stringObjPtr
);
10490 stringObjPtr
= Jim_DuplicateObj(interp
, stringObjPtr
);
10491 for (i
= 2; i
< argc
; i
++)
10492 Jim_AppendObj(interp
, stringObjPtr
, argv
[i
]);
10493 if (Jim_SetVariable(interp
, argv
[1], stringObjPtr
) != JIM_OK
) {
10495 Jim_FreeNewObj(interp
, stringObjPtr
);
10498 Jim_SetResult(interp
, stringObjPtr
);
10503 static int Jim_DebugCoreCommand(Jim_Interp
*interp
, int argc
,
10504 Jim_Obj
*const *argv
)
10506 const char *options
[] = {
10507 "refcount", "objcount", "objects", "invstr", "scriptlen", "exprlen",
10512 OPT_REFCOUNT
, OPT_OBJCOUNT
, OPT_OBJECTS
, OPT_INVSTR
, OPT_SCRIPTLEN
,
10513 OPT_EXPRLEN
, OPT_EXPRBC
10518 Jim_WrongNumArgs(interp
, 1, argv
, "option ?...?");
10521 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
10522 JIM_ERRMSG
) != JIM_OK
)
10524 if (option
== OPT_REFCOUNT
) {
10526 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10529 Jim_SetResult(interp
, Jim_NewIntObj(interp
, argv
[2]->refCount
));
10531 } else if (option
== OPT_OBJCOUNT
) {
10532 int freeobj
= 0, liveobj
= 0;
10537 Jim_WrongNumArgs(interp
, 2, argv
, "");
10540 /* Count the number of free objects. */
10541 objPtr
= interp
->freeList
;
10544 objPtr
= objPtr
->nextObjPtr
;
10546 /* Count the number of live objects. */
10547 objPtr
= interp
->liveList
;
10550 objPtr
= objPtr
->nextObjPtr
;
10552 /* Set the result string and return. */
10553 sprintf(buf
, "free %d used %d", freeobj
, liveobj
);
10554 Jim_SetResultString(interp
, buf
, -1);
10556 } else if (option
== OPT_OBJECTS
) {
10557 Jim_Obj
*objPtr
, *listObjPtr
, *subListObjPtr
;
10558 /* Count the number of live objects. */
10559 objPtr
= interp
->liveList
;
10560 listObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10563 const char *type
= objPtr
->typePtr
?
10564 objPtr
->typePtr
->name
: "";
10565 subListObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
10566 sprintf(buf
, "%p", objPtr
);
10567 Jim_ListAppendElement(interp
, subListObjPtr
,
10568 Jim_NewStringObj(interp
, buf
, -1));
10569 Jim_ListAppendElement(interp
, subListObjPtr
,
10570 Jim_NewStringObj(interp
, type
, -1));
10571 Jim_ListAppendElement(interp
, subListObjPtr
,
10572 Jim_NewIntObj(interp
, objPtr
->refCount
));
10573 Jim_ListAppendElement(interp
, subListObjPtr
, objPtr
);
10574 Jim_ListAppendElement(interp
, listObjPtr
, subListObjPtr
);
10575 objPtr
= objPtr
->nextObjPtr
;
10577 Jim_SetResult(interp
, listObjPtr
);
10579 } else if (option
== OPT_INVSTR
) {
10583 Jim_WrongNumArgs(interp
, 2, argv
, "object");
10587 if (objPtr
->typePtr
!= NULL
)
10588 Jim_InvalidateStringRep(objPtr
);
10589 Jim_SetEmptyResult(interp
);
10591 } else if (option
== OPT_SCRIPTLEN
) {
10594 Jim_WrongNumArgs(interp
, 2, argv
, "script");
10597 script
= Jim_GetScript(interp
, argv
[2]);
10598 Jim_SetResult(interp
, Jim_NewIntObj(interp
, script
->len
));
10600 } else if (option
== OPT_EXPRLEN
) {
10601 ExprByteCode
*expr
;
10603 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10606 expr
= Jim_GetExpression(interp
, argv
[2]);
10609 Jim_SetResult(interp
, Jim_NewIntObj(interp
, expr
->len
));
10611 } else if (option
== OPT_EXPRBC
) {
10613 ExprByteCode
*expr
;
10617 Jim_WrongNumArgs(interp
, 2, argv
, "expression");
10620 expr
= Jim_GetExpression(interp
, argv
[2]);
10623 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
10624 for (i
= 0; i
< expr
->len
; i
++) {
10626 Jim_ExprOperator
*op
;
10628 switch(expr
->opcode
[i
]) {
10629 case JIM_EXPROP_NUMBER
: type
= "number"; break;
10630 case JIM_EXPROP_COMMAND
: type
= "command"; break;
10631 case JIM_EXPROP_VARIABLE
: type
= "variable"; break;
10632 case JIM_EXPROP_DICTSUGAR
: type
= "dictsugar"; break;
10633 case JIM_EXPROP_SUBST
: type
= "subst"; break;
10634 case JIM_EXPROP_STRING
: type
= "string"; break;
10636 op
= JimExprOperatorInfo(Jim_GetString(expr
->obj
[i
], NULL
));
10644 Jim_ListAppendElement(interp
, objPtr
,
10645 Jim_NewStringObj(interp
, type
, -1));
10646 Jim_ListAppendElement(interp
, objPtr
, expr
->obj
[i
]);
10648 Jim_SetResult(interp
, objPtr
);
10651 Jim_SetResultString(interp
,
10652 "bad option. Valid options are refcount, "
10653 "objcount, objects, invstr", -1);
10656 return JIM_OK
; /* unreached */
10660 static int Jim_EvalCoreCommand(Jim_Interp
*interp
, int argc
,
10661 Jim_Obj
*const *argv
)
10664 return Jim_EvalObj(interp
, argv
[1]);
10665 } else if (argc
> 2) {
10669 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10670 Jim_IncrRefCount(objPtr
);
10671 retcode
= Jim_EvalObj(interp
, objPtr
);
10672 Jim_DecrRefCount(interp
, objPtr
);
10675 Jim_WrongNumArgs(interp
, 1, argv
, "script ?...?");
10681 static int Jim_UplevelCoreCommand(Jim_Interp
*interp
, int argc
,
10682 Jim_Obj
*const *argv
)
10685 int retcode
, newLevel
, oldLevel
;
10686 Jim_CallFrame
*savedCallFrame
, *targetCallFrame
;
10690 /* Save the old callframe pointer */
10691 savedCallFrame
= interp
->framePtr
;
10693 /* Lookup the target frame pointer */
10694 str
= Jim_GetString(argv
[1], NULL
);
10695 if ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#')
10697 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10699 &newLevel
) != JIM_OK
)
10704 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10706 &newLevel
) != JIM_OK
)
10712 Jim_WrongNumArgs(interp
, 1, argv
,
10713 "?level? command ?arg ...?");
10716 /* Eval the code in the target callframe. */
10717 interp
->framePtr
= targetCallFrame
;
10718 oldLevel
= interp
->numLevels
;
10719 interp
->numLevels
= newLevel
;
10721 retcode
= Jim_EvalObj(interp
, argv
[1]);
10723 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10724 Jim_IncrRefCount(objPtr
);
10725 retcode
= Jim_EvalObj(interp
, objPtr
);
10726 Jim_DecrRefCount(interp
, objPtr
);
10728 interp
->numLevels
= oldLevel
;
10729 interp
->framePtr
= savedCallFrame
;
10732 Jim_WrongNumArgs(interp
, 1, argv
, "?level? command ?arg ...?");
10738 static int Jim_ExprCoreCommand(Jim_Interp
*interp
, int argc
,
10739 Jim_Obj
*const *argv
)
10741 Jim_Obj
*exprResultPtr
;
10745 retcode
= Jim_EvalExpression(interp
, argv
[1], &exprResultPtr
);
10746 } else if (argc
> 2) {
10749 objPtr
= Jim_ConcatObj(interp
, argc
-1, argv
+1);
10750 Jim_IncrRefCount(objPtr
);
10751 retcode
= Jim_EvalExpression(interp
, objPtr
, &exprResultPtr
);
10752 Jim_DecrRefCount(interp
, objPtr
);
10754 Jim_WrongNumArgs(interp
, 1, argv
, "expression ?...?");
10757 if (retcode
!= JIM_OK
) return retcode
;
10758 Jim_SetResult(interp
, exprResultPtr
);
10759 Jim_DecrRefCount(interp
, exprResultPtr
);
10764 static int Jim_BreakCoreCommand(Jim_Interp
*interp
, int argc
,
10765 Jim_Obj
*const *argv
)
10768 Jim_WrongNumArgs(interp
, 1, argv
, "");
10775 static int Jim_ContinueCoreCommand(Jim_Interp
*interp
, int argc
,
10776 Jim_Obj
*const *argv
)
10779 Jim_WrongNumArgs(interp
, 1, argv
, "");
10782 return JIM_CONTINUE
;
10786 static int Jim_ReturnCoreCommand(Jim_Interp
*interp
, int argc
,
10787 Jim_Obj
*const *argv
)
10791 } else if (argc
== 2) {
10792 Jim_SetResult(interp
, argv
[1]);
10793 interp
->returnCode
= JIM_OK
;
10795 } else if (argc
== 3 || argc
== 4) {
10797 if (Jim_GetReturnCode(interp
, argv
[2], &returnCode
) == JIM_ERR
)
10799 interp
->returnCode
= returnCode
;
10801 Jim_SetResult(interp
, argv
[3]);
10804 Jim_WrongNumArgs(interp
, 1, argv
, "?-code code? ?result?");
10807 return JIM_RETURN
; /* unreached */
10811 static int Jim_TailcallCoreCommand(Jim_Interp
*interp
, int argc
,
10812 Jim_Obj
*const *argv
)
10816 objPtr
= Jim_NewListObj(interp
, argv
+1, argc
-1);
10817 Jim_SetResult(interp
, objPtr
);
10822 static int Jim_ProcCoreCommand(Jim_Interp
*interp
, int argc
,
10823 Jim_Obj
*const *argv
)
10826 int arityMin
, arityMax
;
10828 if (argc
!= 4 && argc
!= 5) {
10829 Jim_WrongNumArgs(interp
, 1, argv
, "name arglist ?statics? body");
10832 Jim_ListLength(interp
, argv
[2], &argListLen
);
10833 arityMin
= arityMax
= argListLen
+1;
10837 Jim_Obj
*lastArgPtr
;
10839 Jim_ListIndex(interp
, argv
[2], argListLen
-1, &lastArgPtr
, JIM_NONE
);
10840 str
= Jim_GetString(lastArgPtr
, &len
);
10841 if (len
== 4 && memcmp(str
, "args", 4) == 0) {
10847 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
10848 argv
[2], NULL
, argv
[3], arityMin
, arityMax
);
10850 return Jim_CreateProcedure(interp
, Jim_GetString(argv
[1], NULL
),
10851 argv
[2], argv
[3], argv
[4], arityMin
, arityMax
);
10856 static int Jim_ConcatCoreCommand(Jim_Interp
*interp
, int argc
,
10857 Jim_Obj
*const *argv
)
10859 Jim_SetResult(interp
, Jim_ConcatObj(interp
, argc
-1, argv
+1));
10864 static int Jim_UpvarCoreCommand(Jim_Interp
*interp
, int argc
,
10865 Jim_Obj
*const *argv
)
10869 Jim_CallFrame
*targetCallFrame
;
10871 /* Lookup the target frame pointer */
10872 str
= Jim_GetString(argv
[1], NULL
);
10874 ((str
[0] >= '0' && str
[0] <= '9') || str
[0] == '#'))
10876 if (Jim_GetCallFrameByLevel(interp
, argv
[1],
10877 &targetCallFrame
, NULL
) != JIM_OK
)
10882 if (Jim_GetCallFrameByLevel(interp
, NULL
,
10883 &targetCallFrame
, NULL
) != JIM_OK
)
10886 /* Check for arity */
10887 if (argc
< 3 || ((argc
-1)%2) != 0) {
10888 Jim_WrongNumArgs(interp
, 1, argv
, "?level? otherVar localVar ?otherVar localVar ...?");
10891 /* Now... for every other/local couple: */
10892 for (i
= 1; i
< argc
; i
+= 2) {
10893 if (Jim_SetVariableLink(interp
, argv
[i
+1], argv
[i
],
10894 targetCallFrame
) != JIM_OK
) return JIM_ERR
;
10900 static int Jim_GlobalCoreCommand(Jim_Interp
*interp
, int argc
,
10901 Jim_Obj
*const *argv
)
10906 Jim_WrongNumArgs(interp
, 1, argv
, "varName ?varName ...?");
10909 /* Link every var to the toplevel having the same name */
10910 if (interp
->numLevels
== 0) return JIM_OK
; /* global at toplevel... */
10911 for (i
= 1; i
< argc
; i
++) {
10912 if (Jim_SetVariableLink(interp
, argv
[i
], argv
[i
],
10913 interp
->topFramePtr
) != JIM_OK
) return JIM_ERR
;
10918 /* does the [string map] operation. On error NULL is returned,
10919 * otherwise a new string object with the result, having refcount = 0,
10921 static Jim_Obj
*JimStringMap(Jim_Interp
*interp
, Jim_Obj
*mapListObjPtr
,
10922 Jim_Obj
*objPtr
, int nocase
)
10925 const char **key
, *str
, *noMatchStart
= NULL
;
10927 int *keyLen
, strLen
, i
;
10928 Jim_Obj
*resultObjPtr
;
10930 Jim_ListLength(interp
, mapListObjPtr
, &numMaps
);
10932 Jim_SetResultString(interp
,
10933 "list must contain an even number of elements", -1);
10936 /* Initialization */
10938 key
= Jim_Alloc(sizeof(char*)*numMaps
);
10939 keyLen
= Jim_Alloc(sizeof(int)*numMaps
);
10940 value
= Jim_Alloc(sizeof(Jim_Obj
*)*numMaps
);
10941 resultObjPtr
= Jim_NewStringObj(interp
, "", 0);
10942 for (i
= 0; i
< numMaps
; i
++) {
10943 Jim_Obj
*eleObjPtr
;
10945 Jim_ListIndex(interp
, mapListObjPtr
, i
*2, &eleObjPtr
, JIM_NONE
);
10946 key
[i
] = Jim_GetString(eleObjPtr
, &keyLen
[i
]);
10947 Jim_ListIndex(interp
, mapListObjPtr
, i
*2+1, &eleObjPtr
, JIM_NONE
);
10948 value
[i
] = eleObjPtr
;
10950 str
= Jim_GetString(objPtr
, &strLen
);
10953 for (i
= 0; i
< numMaps
; i
++) {
10954 if (strLen
>= keyLen
[i
] && keyLen
[i
]) {
10955 if (!JimStringCompare(str
, keyLen
[i
], key
[i
], keyLen
[i
],
10958 if (noMatchStart
) {
10959 Jim_AppendString(interp
, resultObjPtr
,
10960 noMatchStart
, str
-noMatchStart
);
10961 noMatchStart
= NULL
;
10963 Jim_AppendObj(interp
, resultObjPtr
, value
[i
]);
10965 strLen
-= keyLen
[i
];
10970 if (i
== numMaps
) { /* no match */
10971 if (noMatchStart
== NULL
)
10972 noMatchStart
= str
;
10977 if (noMatchStart
) {
10978 Jim_AppendString(interp
, resultObjPtr
,
10979 noMatchStart
, str
-noMatchStart
);
10981 Jim_Free((void*)key
);
10984 return resultObjPtr
;
10988 static int Jim_StringCoreCommand(Jim_Interp
*interp
, int argc
,
10989 Jim_Obj
*const *argv
)
10992 const char *options
[] = {
10993 "length", "compare", "match", "equal", "range", "map", "repeat",
10994 "index", "first", "tolower", "toupper", NULL
10997 OPT_LENGTH
, OPT_COMPARE
, OPT_MATCH
, OPT_EQUAL
, OPT_RANGE
,
10998 OPT_MAP
, OPT_REPEAT
, OPT_INDEX
, OPT_FIRST
, OPT_TOLOWER
, OPT_TOUPPER
11002 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11005 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11006 JIM_ERRMSG
) != JIM_OK
)
11009 if (option
== OPT_LENGTH
) {
11013 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11016 Jim_GetString(argv
[2], &len
);
11017 Jim_SetResult(interp
, Jim_NewIntObj(interp
, len
));
11019 } else if (option
== OPT_COMPARE
) {
11021 if ((argc
!= 4 && argc
!= 5) ||
11022 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11023 argv
[2], "-nocase") == 0)) {
11024 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11031 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11032 Jim_StringCompareObj(argv
[2],
11033 argv
[3], nocase
)));
11035 } else if (option
== OPT_MATCH
) {
11037 if ((argc
!= 4 && argc
!= 5) ||
11038 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11039 argv
[2], "-nocase") == 0)) {
11040 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? pattern "
11048 Jim_SetResult(interp
,
11049 Jim_NewIntObj(interp
, Jim_StringMatchObj(argv
[2],
11050 argv
[3], nocase
)));
11052 } else if (option
== OPT_EQUAL
) {
11054 Jim_WrongNumArgs(interp
, 2, argv
, "string1 string2");
11057 Jim_SetResult(interp
,
11058 Jim_NewIntObj(interp
, Jim_StringEqObj(argv
[2],
11061 } else if (option
== OPT_RANGE
) {
11065 Jim_WrongNumArgs(interp
, 2, argv
, "string first last");
11068 objPtr
= Jim_StringRangeObj(interp
, argv
[2], argv
[3], argv
[4]);
11069 if (objPtr
== NULL
)
11071 Jim_SetResult(interp
, objPtr
);
11073 } else if (option
== OPT_MAP
) {
11077 if ((argc
!= 4 && argc
!= 5) ||
11078 (argc
== 5 && Jim_CompareStringImmediate(interp
,
11079 argv
[2], "-nocase") == 0)) {
11080 Jim_WrongNumArgs(interp
, 2, argv
, "?-nocase? mapList "
11088 objPtr
= JimStringMap(interp
, argv
[2], argv
[3], nocase
);
11089 if (objPtr
== NULL
)
11091 Jim_SetResult(interp
, objPtr
);
11093 } else if (option
== OPT_REPEAT
) {
11098 Jim_WrongNumArgs(interp
, 2, argv
, "string count");
11101 if (Jim_GetWide(interp
, argv
[3], &count
) != JIM_OK
)
11103 objPtr
= Jim_NewStringObj(interp
, "", 0);
11105 Jim_AppendObj(interp
, objPtr
, argv
[2]);
11107 Jim_SetResult(interp
, objPtr
);
11109 } else if (option
== OPT_INDEX
) {
11114 Jim_WrongNumArgs(interp
, 2, argv
, "string index");
11117 if (Jim_GetIndex(interp
, argv
[3], &index
) != JIM_OK
)
11119 str
= Jim_GetString(argv
[2], &len
);
11120 if (index
!= INT_MIN
&& index
!= INT_MAX
)
11121 index
= JimRelToAbsIndex(len
, index
);
11122 if (index
< 0 || index
>= len
) {
11123 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11126 Jim_SetResult(interp
, Jim_NewStringObj(interp
, str
+index
, 1));
11129 } else if (option
== OPT_FIRST
) {
11130 int index
= 0, l1
, l2
;
11131 const char *s1
, *s2
;
11133 if (argc
!= 4 && argc
!= 5) {
11134 Jim_WrongNumArgs(interp
, 2, argv
, "subString string ?startIndex?");
11137 s1
= Jim_GetString(argv
[2], &l1
);
11138 s2
= Jim_GetString(argv
[3], &l2
);
11140 if (Jim_GetIndex(interp
, argv
[4], &index
) != JIM_OK
)
11142 index
= JimRelToAbsIndex(l2
, index
);
11144 Jim_SetResult(interp
, Jim_NewIntObj(interp
,
11145 JimStringFirst(s1
, l1
, s2
, l2
, index
)));
11147 } else if (option
== OPT_TOLOWER
) {
11149 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11152 Jim_SetResult(interp
, JimStringToLower(interp
, argv
[2]));
11153 } else if (option
== OPT_TOUPPER
) {
11155 Jim_WrongNumArgs(interp
, 2, argv
, "string");
11158 Jim_SetResult(interp
, JimStringToUpper(interp
, argv
[2]));
11164 static int Jim_TimeCoreCommand(Jim_Interp
*interp
, int argc
,
11165 Jim_Obj
*const *argv
)
11168 jim_wide start
, elapsed
;
11170 const char *fmt
= "%" JIM_WIDE_MODIFIER
" microseconds per iteration";
11173 Jim_WrongNumArgs(interp
, 1, argv
, "script ?count?");
11177 if (Jim_GetLong(interp
, argv
[2], &count
) != JIM_OK
)
11183 start
= JimClock();
11187 if ((retval
= Jim_EvalObj(interp
, argv
[1])) != JIM_OK
)
11190 elapsed
= JimClock() - start
;
11191 sprintf(buf
, fmt
, elapsed
/count
);
11192 Jim_SetResultString(interp
, buf
, -1);
11197 static int Jim_ExitCoreCommand(Jim_Interp
*interp
, int argc
,
11198 Jim_Obj
*const *argv
)
11203 Jim_WrongNumArgs(interp
, 1, argv
, "?exitCode?");
11207 if (Jim_GetLong(interp
, argv
[1], &exitCode
) != JIM_OK
)
11210 interp
->exitCode
= exitCode
;
11215 static int Jim_CatchCoreCommand(Jim_Interp
*interp
, int argc
,
11216 Jim_Obj
*const *argv
)
11220 if (argc
!= 2 && argc
!= 3) {
11221 Jim_WrongNumArgs(interp
, 1, argv
, "script ?varName?");
11224 exitCode
= Jim_EvalObj(interp
, argv
[1]);
11226 if (Jim_SetVariable(interp
, argv
[2], Jim_GetResult(interp
))
11230 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exitCode
));
11235 static int Jim_RefCoreCommand(Jim_Interp
*interp
, int argc
,
11236 Jim_Obj
*const *argv
)
11238 if (argc
!= 3 && argc
!= 4) {
11239 Jim_WrongNumArgs(interp
, 1, argv
, "string tag ?finalizer?");
11243 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2], NULL
));
11245 Jim_SetResult(interp
, Jim_NewReference(interp
, argv
[1], argv
[2],
11252 static int Jim_GetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11253 Jim_Obj
*const *argv
)
11255 Jim_Reference
*refPtr
;
11258 Jim_WrongNumArgs(interp
, 1, argv
, "reference");
11261 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11263 Jim_SetResult(interp
, refPtr
->objPtr
);
11268 static int Jim_SetrefCoreCommand(Jim_Interp
*interp
, int argc
,
11269 Jim_Obj
*const *argv
)
11271 Jim_Reference
*refPtr
;
11274 Jim_WrongNumArgs(interp
, 1, argv
, "reference newValue");
11277 if ((refPtr
= Jim_GetReference(interp
, argv
[1])) == NULL
)
11279 Jim_IncrRefCount(argv
[2]);
11280 Jim_DecrRefCount(interp
, refPtr
->objPtr
);
11281 refPtr
->objPtr
= argv
[2];
11282 Jim_SetResult(interp
, argv
[2]);
11287 static int Jim_CollectCoreCommand(Jim_Interp
*interp
, int argc
,
11288 Jim_Obj
*const *argv
)
11291 Jim_WrongNumArgs(interp
, 1, argv
, "");
11294 Jim_SetResult(interp
, Jim_NewIntObj(interp
, Jim_Collect(interp
)));
11298 /* [finalize] reference ?newValue? */
11299 static int Jim_FinalizeCoreCommand(Jim_Interp
*interp
, int argc
,
11300 Jim_Obj
*const *argv
)
11302 if (argc
!= 2 && argc
!= 3) {
11303 Jim_WrongNumArgs(interp
, 1, argv
, "reference ?finalizerProc?");
11307 Jim_Obj
*cmdNamePtr
;
11309 if (Jim_GetFinalizer(interp
, argv
[1], &cmdNamePtr
) != JIM_OK
)
11311 if (cmdNamePtr
!= NULL
) /* otherwise the null string is returned. */
11312 Jim_SetResult(interp
, cmdNamePtr
);
11314 if (Jim_SetFinalizer(interp
, argv
[1], argv
[2]) != JIM_OK
)
11316 Jim_SetResult(interp
, argv
[2]);
11322 /* [info references] (list of all the references/finalizers) */
11325 static int Jim_RenameCoreCommand(Jim_Interp
*interp
, int argc
,
11326 Jim_Obj
*const *argv
)
11328 const char *oldName
, *newName
;
11331 Jim_WrongNumArgs(interp
, 1, argv
, "oldName newName");
11334 oldName
= Jim_GetString(argv
[1], NULL
);
11335 newName
= Jim_GetString(argv
[2], NULL
);
11336 if (Jim_RenameCommand(interp
, oldName
, newName
) != JIM_OK
) {
11337 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11338 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11339 "can't rename \"", oldName
, "\": ",
11340 "command doesn't exist", NULL
);
11347 static int Jim_DictCoreCommand(Jim_Interp
*interp
, int argc
,
11348 Jim_Obj
*const *argv
)
11351 const char *options
[] = {
11352 "create", "get", "set", "unset", "exists", NULL
11355 OPT_CREATE
, OPT_GET
, OPT_SET
, OPT_UNSET
, OPT_EXIST
11359 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11363 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11364 JIM_ERRMSG
) != JIM_OK
)
11367 if (option
== OPT_CREATE
) {
11371 Jim_WrongNumArgs(interp
, 2, argv
, "?key value ...?");
11374 objPtr
= Jim_NewDictObj(interp
, argv
+2, argc
-2);
11375 Jim_SetResult(interp
, objPtr
);
11377 } else if (option
== OPT_GET
) {
11380 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11381 JIM_ERRMSG
) != JIM_OK
)
11383 Jim_SetResult(interp
, objPtr
);
11385 } else if (option
== OPT_SET
) {
11387 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...? value");
11390 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-4,
11392 } else if (option
== OPT_UNSET
) {
11394 Jim_WrongNumArgs(interp
, 2, argv
, "varName key ?key ...?");
11397 return Jim_SetDictKeysVector(interp
, argv
[2], argv
+3, argc
-3,
11399 } else if (option
== OPT_EXIST
) {
11403 if (Jim_DictKeysVector(interp
, argv
[2], argv
+3, argc
-3, &objPtr
,
11404 JIM_ERRMSG
) == JIM_OK
)
11408 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
));
11411 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11412 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11413 "bad option \"", Jim_GetString(argv
[1], NULL
), "\":",
11414 " must be create, get, set", NULL
);
11421 static int Jim_LoadCoreCommand(Jim_Interp
*interp
, int argc
,
11422 Jim_Obj
*const *argv
)
11425 Jim_WrongNumArgs(interp
, 1, argv
, "libaryFile");
11428 return Jim_LoadLibrary(interp
, Jim_GetString(argv
[1], NULL
));
11432 static int Jim_SubstCoreCommand(Jim_Interp
*interp
, int argc
,
11433 Jim_Obj
*const *argv
)
11439 Jim_WrongNumArgs(interp
, 1, argv
,
11440 "?-nobackslashes? ?-nocommands? ?-novariables? string");
11445 if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11447 flags
|= JIM_SUBST_NOESC
;
11448 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11450 flags
|= JIM_SUBST_NOVAR
;
11451 else if (Jim_CompareStringImmediate(interp
, argv
[i
+1],
11453 flags
|= JIM_SUBST_NOCMD
;
11455 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11456 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11457 "bad option \"", Jim_GetString(argv
[i
+1], NULL
),
11458 "\": must be -nobackslashes, -nocommands, or "
11459 "-novariables", NULL
);
11463 if (Jim_SubstObj(interp
, argv
[argc
-1], &objPtr
, flags
) != JIM_OK
)
11465 Jim_SetResult(interp
, objPtr
);
11470 static int Jim_InfoCoreCommand(Jim_Interp
*interp
, int argc
,
11471 Jim_Obj
*const *argv
)
11473 int cmd
, result
= JIM_OK
;
11474 static const char *commands
[] = {
11475 "body", "commands", "exists", "globals", "level", "locals",
11476 "vars", "version", "complete", "args", NULL
11478 enum {INFO_BODY
, INFO_COMMANDS
, INFO_EXISTS
, INFO_GLOBALS
, INFO_LEVEL
,
11479 INFO_LOCALS
, INFO_VARS
, INFO_VERSION
, INFO_COMPLETE
, INFO_ARGS
};
11482 Jim_WrongNumArgs(interp
, 1, argv
, "command ?args ...?");
11485 if (Jim_GetEnum(interp
, argv
[1], commands
, &cmd
, "command", JIM_ERRMSG
)
11490 if (cmd
== INFO_COMMANDS
) {
11491 if (argc
!= 2 && argc
!= 3) {
11492 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11496 Jim_SetResult(interp
,JimCommandsList(interp
, argv
[2]));
11498 Jim_SetResult(interp
, JimCommandsList(interp
, NULL
));
11499 } else if (cmd
== INFO_EXISTS
) {
11502 Jim_WrongNumArgs(interp
, 2, argv
, "varName");
11505 exists
= Jim_GetVariable(interp
, argv
[2], 0);
11506 Jim_SetResult(interp
, Jim_NewIntObj(interp
, exists
!= 0));
11507 } else if (cmd
== INFO_GLOBALS
|| cmd
== INFO_LOCALS
|| cmd
== INFO_VARS
) {
11510 case INFO_GLOBALS
: mode
= JIM_VARLIST_GLOBALS
; break;
11511 case INFO_LOCALS
: mode
= JIM_VARLIST_LOCALS
; break;
11512 case INFO_VARS
: mode
= JIM_VARLIST_VARS
; break;
11513 default: mode
= 0; /* avoid warning */; break;
11515 if (argc
!= 2 && argc
!= 3) {
11516 Jim_WrongNumArgs(interp
, 2, argv
, "?pattern?");
11520 Jim_SetResult(interp
,JimVariablesList(interp
, argv
[2], mode
));
11522 Jim_SetResult(interp
, JimVariablesList(interp
, NULL
, mode
));
11523 } else if (cmd
== INFO_LEVEL
) {
11527 Jim_SetResult(interp
,
11528 Jim_NewIntObj(interp
, interp
->numLevels
));
11531 if (JimInfoLevel(interp
, argv
[2], &objPtr
) != JIM_OK
)
11533 Jim_SetResult(interp
, objPtr
);
11536 Jim_WrongNumArgs(interp
, 2, argv
, "?levelNum?");
11539 } else if (cmd
== INFO_BODY
|| cmd
== INFO_ARGS
) {
11543 Jim_WrongNumArgs(interp
, 2, argv
, "procname");
11546 if ((cmdPtr
= Jim_GetCommand(interp
, argv
[2], JIM_ERRMSG
)) == NULL
)
11548 if (cmdPtr
->cmdProc
!= NULL
) {
11549 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11550 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11551 "command \"", Jim_GetString(argv
[2], NULL
),
11552 "\" is not a procedure", NULL
);
11555 if (cmd
== INFO_BODY
)
11556 Jim_SetResult(interp
, cmdPtr
->bodyObjPtr
);
11558 Jim_SetResult(interp
, cmdPtr
->argListObjPtr
);
11559 } else if (cmd
== INFO_VERSION
) {
11560 char buf
[(JIM_INTEGER_SPACE
* 2) + 1];
11561 sprintf(buf
, "%d.%d",
11562 JIM_VERSION
/ 100, JIM_VERSION
% 100);
11563 Jim_SetResultString(interp
, buf
, -1);
11564 } else if (cmd
== INFO_COMPLETE
) {
11569 Jim_WrongNumArgs(interp
, 2, argv
, "script");
11572 s
= Jim_GetString(argv
[2], &len
);
11573 Jim_SetResult(interp
,
11574 Jim_NewIntObj(interp
, Jim_ScriptIsComplete(s
, len
, NULL
)));
11580 static int Jim_SplitCoreCommand(Jim_Interp
*interp
, int argc
,
11581 Jim_Obj
*const *argv
)
11583 const char *str
, *splitChars
, *noMatchStart
;
11584 int splitLen
, strLen
, i
;
11585 Jim_Obj
*resObjPtr
;
11587 if (argc
!= 2 && argc
!= 3) {
11588 Jim_WrongNumArgs(interp
, 1, argv
, "string ?splitChars?");
11593 splitChars
= " \n\t\r";
11596 splitChars
= Jim_GetString(argv
[2], &splitLen
);
11598 str
= Jim_GetString(argv
[1], &strLen
);
11599 if (!strLen
) return JIM_OK
;
11600 noMatchStart
= str
;
11601 resObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11605 for (i
= 0; i
< splitLen
; i
++) {
11606 if (*str
== splitChars
[i
]) {
11609 objPtr
= Jim_NewStringObj(interp
, noMatchStart
,
11610 (str
-noMatchStart
));
11611 Jim_ListAppendElement(interp
, resObjPtr
, objPtr
);
11612 noMatchStart
= str
+1;
11619 Jim_ListAppendElement(interp
, resObjPtr
,
11620 Jim_NewStringObj(interp
, noMatchStart
, (str
-noMatchStart
)));
11622 /* This handles the special case of splitchars eq {}. This
11623 * is trivial but we want to perform object sharing as Tcl does. */
11624 Jim_Obj
*objCache
[256];
11625 const unsigned char *u
= (unsigned char*) str
;
11626 memset(objCache
, 0, sizeof(objCache
));
11627 for (i
= 0; i
< strLen
; i
++) {
11630 if (objCache
[c
] == NULL
)
11631 objCache
[c
] = Jim_NewStringObj(interp
, (char*)u
+i
, 1);
11632 Jim_ListAppendElement(interp
, resObjPtr
, objCache
[c
]);
11635 Jim_SetResult(interp
, resObjPtr
);
11640 static int Jim_JoinCoreCommand(Jim_Interp
*interp
, int argc
,
11641 Jim_Obj
*const *argv
)
11643 const char *joinStr
;
11644 int joinStrLen
, i
, listLen
;
11645 Jim_Obj
*resObjPtr
;
11647 if (argc
!= 2 && argc
!= 3) {
11648 Jim_WrongNumArgs(interp
, 1, argv
, "list ?joinString?");
11656 joinStr
= Jim_GetString(argv
[2], &joinStrLen
);
11658 Jim_ListLength(interp
, argv
[1], &listLen
);
11659 resObjPtr
= Jim_NewStringObj(interp
, NULL
, 0);
11661 for (i
= 0; i
< listLen
; i
++) {
11664 Jim_ListIndex(interp
, argv
[1], i
, &objPtr
, JIM_NONE
);
11665 Jim_AppendObj(interp
, resObjPtr
, objPtr
);
11666 if (i
+1 != listLen
) {
11667 Jim_AppendString(interp
, resObjPtr
, joinStr
, joinStrLen
);
11670 Jim_SetResult(interp
, resObjPtr
);
11675 static int Jim_FormatCoreCommand(Jim_Interp
*interp
, int argc
,
11676 Jim_Obj
*const *argv
)
11681 Jim_WrongNumArgs(interp
, 1, argv
, "formatString ?arg arg ...?");
11684 objPtr
= Jim_FormatString(interp
, argv
[1], argc
-2, argv
+2);
11685 if (objPtr
== NULL
)
11687 Jim_SetResult(interp
, objPtr
);
11692 static int Jim_ScanCoreCommand(Jim_Interp
*interp
, int argc
,
11693 Jim_Obj
*const *argv
)
11695 Jim_Obj
*listPtr
, **outVec
;
11696 int outc
, i
, count
= 0;
11699 Jim_WrongNumArgs(interp
, 1, argv
, "string formatString ?varName ...?");
11702 if (argv
[2]->typePtr
!= &scanFmtStringObjType
)
11703 SetScanFmtFromAny(interp
, argv
[2]);
11704 if (FormatGetError(argv
[2]) != 0) {
11705 Jim_SetResultString(interp
, FormatGetError(argv
[2]), -1);
11709 int maxPos
= FormatGetMaxPos(argv
[2]);
11710 int count
= FormatGetCnvCount(argv
[2]);
11711 if (maxPos
> argc
-3) {
11712 Jim_SetResultString(interp
, "\"%n$\" argument index out of range", -1);
11714 } else if (count
!= 0 && count
< argc
-3) {
11715 Jim_SetResultString(interp
, "variable is not assigned by any "
11716 "conversion specifiers", -1);
11718 } else if (count
> argc
-3) {
11719 Jim_SetResultString(interp
, "different numbers of variable names and "
11720 "field specifiers", -1);
11724 listPtr
= Jim_ScanString(interp
, argv
[1], argv
[2], JIM_ERRMSG
);
11729 if (listPtr
!= 0 && listPtr
!= (Jim_Obj
*)EOF
)
11730 Jim_ListLength(interp
, listPtr
, &len
);
11731 if (listPtr
== (Jim_Obj
*)EOF
|| len
== 0) { // XXX
11732 Jim_SetResult(interp
, Jim_NewIntObj(interp
, -1));
11735 JimListGetElements(interp
, listPtr
, &outc
, &outVec
);
11736 for (i
= 0; i
< outc
; ++i
) {
11737 if (Jim_Length(outVec
[i
]) > 0) {
11739 if (Jim_SetVariable(interp
, argv
[3+i
], outVec
[i
]) != JIM_OK
)
11743 Jim_FreeNewObj(interp
, listPtr
);
11744 Jim_SetResult(interp
, Jim_NewIntObj(interp
, count
));
11746 if (listPtr
== (Jim_Obj
*)EOF
) {
11747 Jim_SetResult(interp
, Jim_NewListObj(interp
, 0, 0));
11750 Jim_SetResult(interp
, listPtr
);
11754 Jim_FreeNewObj(interp
, listPtr
);
11759 static int Jim_ErrorCoreCommand(Jim_Interp
*interp
, int argc
,
11760 Jim_Obj
*const *argv
)
11763 Jim_WrongNumArgs(interp
, 1, argv
, "message");
11766 Jim_SetResult(interp
, argv
[1]);
11771 static int Jim_LrangeCoreCommand(Jim_Interp
*interp
, int argc
,
11772 Jim_Obj
*const *argv
)
11777 Jim_WrongNumArgs(interp
, 1, argv
, "list first last");
11780 if ((objPtr
= Jim_ListRange(interp
, argv
[1], argv
[2], argv
[3])) == NULL
)
11782 Jim_SetResult(interp
, objPtr
);
11787 static int Jim_EnvCoreCommand(Jim_Interp
*interp
, int argc
,
11788 Jim_Obj
*const *argv
)
11794 Jim_WrongNumArgs(interp
, 1, argv
, "varName");
11797 key
= Jim_GetString(argv
[1], NULL
);
11800 Jim_SetResult(interp
, Jim_NewEmptyStringObj(interp
));
11801 Jim_AppendStrings(interp
, Jim_GetResult(interp
),
11802 "environment variable \"",
11803 key
, "\" does not exist", NULL
);
11806 Jim_SetResult(interp
, Jim_NewStringObj(interp
, val
, -1));
11811 static int Jim_SourceCoreCommand(Jim_Interp
*interp
, int argc
,
11812 Jim_Obj
*const *argv
)
11817 Jim_WrongNumArgs(interp
, 1, argv
, "fileName");
11820 retval
= Jim_EvalFile(interp
, Jim_GetString(argv
[1], NULL
));
11821 if (retval
== JIM_RETURN
)
11827 static int Jim_LreverseCoreCommand(Jim_Interp
*interp
, int argc
,
11828 Jim_Obj
*const *argv
)
11830 Jim_Obj
*revObjPtr
, **ele
;
11834 Jim_WrongNumArgs(interp
, 1, argv
, "list");
11837 JimListGetElements(interp
, argv
[1], &len
, &ele
);
11839 revObjPtr
= Jim_NewListObj(interp
, NULL
, 0);
11841 ListAppendElement(revObjPtr
, ele
[len
--]);
11842 Jim_SetResult(interp
, revObjPtr
);
11846 static int JimRangeLen(jim_wide start
, jim_wide end
, jim_wide step
)
11850 if (step
== 0) return -1;
11851 if (start
== end
) return 0;
11852 else if (step
> 0 && start
> end
) return -1;
11853 else if (step
< 0 && end
> start
) return -1;
11855 if (len
< 0) len
= -len
; /* abs(len) */
11856 if (step
< 0) step
= -step
; /* abs(step) */
11857 len
= 1 + ((len
-1)/step
);
11858 /* We can truncate safely to INT_MAX, the range command
11859 * will always return an error for a such long range
11860 * because Tcl lists can't be so long. */
11861 if (len
> INT_MAX
) len
= INT_MAX
;
11862 return (int)((len
< 0) ? -1 : len
);
11866 static int Jim_RangeCoreCommand(Jim_Interp
*interp
, int argc
,
11867 Jim_Obj
*const *argv
)
11869 jim_wide start
= 0, end
, step
= 1;
11873 if (argc
< 2 || argc
> 4) {
11874 Jim_WrongNumArgs(interp
, 1, argv
, "?start? end ?step?");
11878 if (Jim_GetWide(interp
, argv
[1], &end
) != JIM_OK
)
11881 if (Jim_GetWide(interp
, argv
[1], &start
) != JIM_OK
||
11882 Jim_GetWide(interp
, argv
[2], &end
) != JIM_OK
)
11884 if (argc
== 4 && Jim_GetWide(interp
, argv
[3], &step
) != JIM_OK
)
11887 if ((len
= JimRangeLen(start
, end
, step
)) == -1) {
11888 Jim_SetResultString(interp
, "Invalid (infinite?) range specified", -1);
11891 objPtr
= Jim_NewListObj(interp
, NULL
, 0);
11892 for (i
= 0; i
< len
; i
++)
11893 ListAppendElement(objPtr
, Jim_NewIntObj(interp
, start
+i
*step
));
11894 Jim_SetResult(interp
, objPtr
);
11899 static int Jim_RandCoreCommand(Jim_Interp
*interp
, int argc
,
11900 Jim_Obj
*const *argv
)
11902 jim_wide min
= 0, max
, len
, maxMul
;
11904 if (argc
< 1 || argc
> 3) {
11905 Jim_WrongNumArgs(interp
, 1, argv
, "?min? max");
11909 max
= JIM_WIDE_MAX
;
11910 } else if (argc
== 2) {
11911 if (Jim_GetWide(interp
, argv
[1], &max
) != JIM_OK
)
11913 } else if (argc
== 3) {
11914 if (Jim_GetWide(interp
, argv
[1], &min
) != JIM_OK
||
11915 Jim_GetWide(interp
, argv
[2], &max
) != JIM_OK
)
11920 Jim_SetResultString(interp
, "Invalid arguments (max < min)", -1);
11923 maxMul
= JIM_WIDE_MAX
- (len
? (JIM_WIDE_MAX
%len
) : 0);
11927 JimRandomBytes(interp
, &r
, sizeof(jim_wide
));
11928 if (r
< 0 || r
>= maxMul
) continue;
11929 r
= (len
== 0) ? 0 : r
%len
;
11930 Jim_SetResult(interp
, Jim_NewIntObj(interp
, min
+r
));
11936 static int Jim_PackageCoreCommand(Jim_Interp
*interp
, int argc
,
11937 Jim_Obj
*const *argv
)
11940 const char *options
[] = {
11941 "require", "provide", NULL
11943 enum {OPT_REQUIRE
, OPT_PROVIDE
};
11946 Jim_WrongNumArgs(interp
, 1, argv
, "option ?arguments ...?");
11949 if (Jim_GetEnum(interp
, argv
[1], options
, &option
, "option",
11950 JIM_ERRMSG
) != JIM_OK
)
11953 if (option
== OPT_REQUIRE
) {
11957 if (Jim_CompareStringImmediate(interp
, argv
[2], "-exact")) {
11962 if (argc
!= 3 && argc
!= 4) {
11963 Jim_WrongNumArgs(interp
, 2, argv
, "?-exact? package ?version?");
11966 ver
= Jim_PackageRequire(interp
, Jim_GetString(argv
[2], NULL
),
11967 argc
== 4 ? Jim_GetString(argv
[3], NULL
) : "",
11971 Jim_SetResultString(interp
, ver
, -1);
11972 } else if (option
== OPT_PROVIDE
) {
11974 Jim_WrongNumArgs(interp
, 2, argv
, "package version");
11977 return Jim_PackageProvide(interp
, Jim_GetString(argv
[2], NULL
),
11978 Jim_GetString(argv
[3], NULL
), JIM_ERRMSG
);
11985 Jim_CmdProc cmdProc
;
11986 } Jim_CoreCommandsTable
[] = {
11987 {"set", Jim_SetCoreCommand
},
11988 {"unset", Jim_UnsetCoreCommand
},
11989 {"puts", Jim_PutsCoreCommand
},
11990 {"+", Jim_AddCoreCommand
},
11991 {"*", Jim_MulCoreCommand
},
11992 {"-", Jim_SubCoreCommand
},
11993 {"/", Jim_DivCoreCommand
},
11994 {"incr", Jim_IncrCoreCommand
},
11995 {"while", Jim_WhileCoreCommand
},
11996 {"for", Jim_ForCoreCommand
},
11997 {"foreach", Jim_ForeachCoreCommand
},
11998 {"lmap", Jim_LmapCoreCommand
},
11999 {"if", Jim_IfCoreCommand
},
12000 {"switch", Jim_SwitchCoreCommand
},
12001 {"list", Jim_ListCoreCommand
},
12002 {"lindex", Jim_LindexCoreCommand
},
12003 {"lset", Jim_LsetCoreCommand
},
12004 {"llength", Jim_LlengthCoreCommand
},
12005 {"lappend", Jim_LappendCoreCommand
},
12006 {"linsert", Jim_LinsertCoreCommand
},
12007 {"lsort", Jim_LsortCoreCommand
},
12008 {"append", Jim_AppendCoreCommand
},
12009 {"debug", Jim_DebugCoreCommand
},
12010 {"eval", Jim_EvalCoreCommand
},
12011 {"uplevel", Jim_UplevelCoreCommand
},
12012 {"expr", Jim_ExprCoreCommand
},
12013 {"break", Jim_BreakCoreCommand
},
12014 {"continue", Jim_ContinueCoreCommand
},
12015 {"proc", Jim_ProcCoreCommand
},
12016 {"concat", Jim_ConcatCoreCommand
},
12017 {"return", Jim_ReturnCoreCommand
},
12018 {"upvar", Jim_UpvarCoreCommand
},
12019 {"global", Jim_GlobalCoreCommand
},
12020 {"string", Jim_StringCoreCommand
},
12021 {"time", Jim_TimeCoreCommand
},
12022 {"exit", Jim_ExitCoreCommand
},
12023 {"catch", Jim_CatchCoreCommand
},
12024 {"ref", Jim_RefCoreCommand
},
12025 {"getref", Jim_GetrefCoreCommand
},
12026 {"setref", Jim_SetrefCoreCommand
},
12027 {"finalize", Jim_FinalizeCoreCommand
},
12028 {"collect", Jim_CollectCoreCommand
},
12029 {"rename", Jim_RenameCoreCommand
},
12030 {"dict", Jim_DictCoreCommand
},
12031 {"load", Jim_LoadCoreCommand
},
12032 {"subst", Jim_SubstCoreCommand
},
12033 {"info", Jim_InfoCoreCommand
},
12034 {"split", Jim_SplitCoreCommand
},
12035 {"join", Jim_JoinCoreCommand
},
12036 {"format", Jim_FormatCoreCommand
},
12037 {"scan", Jim_ScanCoreCommand
},
12038 {"error", Jim_ErrorCoreCommand
},
12039 {"lrange", Jim_LrangeCoreCommand
},
12040 {"env", Jim_EnvCoreCommand
},
12041 {"source", Jim_SourceCoreCommand
},
12042 {"lreverse", Jim_LreverseCoreCommand
},
12043 {"range", Jim_RangeCoreCommand
},
12044 {"rand", Jim_RandCoreCommand
},
12045 {"package", Jim_PackageCoreCommand
},
12046 {"tailcall", Jim_TailcallCoreCommand
},
12050 /* Some Jim core command is actually a procedure written in Jim itself. */
12051 static void Jim_RegisterCoreProcedures(Jim_Interp
*interp
)
12053 Jim_Eval(interp
, (char*)
12054 "proc lambda {arglist args} {\n"
12055 " set name [ref {} function lambdaFinalizer]\n"
12056 " uplevel 1 [list proc $name $arglist {expand}$args]\n"
12059 "proc lambdaFinalizer {name val} {\n"
12060 " rename $name {}\n"
12065 void Jim_RegisterCoreCommands(Jim_Interp
*interp
)
12069 while(Jim_CoreCommandsTable
[i
].name
!= NULL
) {
12070 Jim_CreateCommand(interp
,
12071 Jim_CoreCommandsTable
[i
].name
,
12072 Jim_CoreCommandsTable
[i
].cmdProc
,
12076 Jim_RegisterCoreProcedures(interp
);
12079 /* -----------------------------------------------------------------------------
12080 * Interactive prompt
12081 * ---------------------------------------------------------------------------*/
12082 void Jim_PrintErrorMessage(Jim_Interp
*interp
)
12086 Jim_fprintf(interp
, interp
->cookie_stderr
, "Runtime error, file \"%s\", line %d:" JIM_NL
,
12087 interp
->errorFileName
, interp
->errorLine
);
12088 Jim_fprintf(interp
,interp
->cookie_stderr
, " %s" JIM_NL
,
12089 Jim_GetString(interp
->result
, NULL
));
12090 Jim_ListLength(interp
, interp
->stackTrace
, &len
);
12091 for (i
= len
-3; i
>= 0; i
-= 3) {
12093 const char *proc
, *file
, *line
;
12095 Jim_ListIndex(interp
, interp
->stackTrace
, i
, &objPtr
, JIM_NONE
);
12096 proc
= Jim_GetString(objPtr
, NULL
);
12097 Jim_ListIndex(interp
, interp
->stackTrace
, i
+1, &objPtr
,
12099 file
= Jim_GetString(objPtr
, NULL
);
12100 Jim_ListIndex(interp
, interp
->stackTrace
, i
+2, &objPtr
,
12102 line
= Jim_GetString(objPtr
, NULL
);
12103 Jim_fprintf( interp
, interp
->cookie_stderr
,
12104 "In procedure '%s' called at file \"%s\", line %s" JIM_NL
,
12109 int Jim_InteractivePrompt(Jim_Interp
*interp
)
12111 int retcode
= JIM_OK
;
12112 Jim_Obj
*scriptObjPtr
;
12114 Jim_fprintf(interp
,interp
->cookie_stdout
, "Welcome to Jim version %d.%d, "
12115 "Copyright (c) 2005-8 Salvatore Sanfilippo" JIM_NL
,
12116 JIM_VERSION
/ 100, JIM_VERSION
% 100);
12117 Jim_SetVariableStrWithStr(interp
, "jim_interactive", "1");
12120 const char *result
;
12121 const char *retcodestr
[] = {
12122 "ok", "error", "return", "break", "continue", "eval", "exit"
12126 if (retcode
!= 0) {
12127 if (retcode
>= 2 && retcode
<= 6)
12128 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%s] . ", retcodestr
[retcode
]);
12130 Jim_fprintf(interp
,interp
->cookie_stdout
, "[%d] . ", retcode
);
12132 Jim_fprintf( interp
, interp
->cookie_stdout
, ". ");
12133 Jim_fflush( interp
, interp
->cookie_stdout
);
12134 scriptObjPtr
= Jim_NewStringObj(interp
, "", 0);
12135 Jim_IncrRefCount(scriptObjPtr
);
12141 if ( Jim_fgets(interp
, buf
, 1024, interp
->cookie_stdin
) == NULL
) {
12142 Jim_DecrRefCount(interp
, scriptObjPtr
);
12145 Jim_AppendString(interp
, scriptObjPtr
, buf
, -1);
12146 str
= Jim_GetString(scriptObjPtr
, &len
);
12147 if (Jim_ScriptIsComplete(str
, len
, &state
))
12149 Jim_fprintf( interp
, interp
->cookie_stdout
, "%c> ", state
);
12150 Jim_fflush( interp
, interp
->cookie_stdout
);
12152 retcode
= Jim_EvalObj(interp
, scriptObjPtr
);
12153 Jim_DecrRefCount(interp
, scriptObjPtr
);
12154 result
= Jim_GetString(Jim_GetResult(interp
), &reslen
);
12155 if (retcode
== JIM_ERR
) {
12156 Jim_PrintErrorMessage(interp
);
12157 } else if (retcode
== JIM_EXIT
) {
12158 exit(Jim_GetExitCode(interp
));
12161 Jim_fwrite( interp
, result
, 1, reslen
, interp
->cookie_stdout
);
12162 Jim_fprintf( interp
,interp
->cookie_stdout
, JIM_NL
);
12170 /* -----------------------------------------------------------------------------
12171 * Jim's idea of STDIO..
12172 * ---------------------------------------------------------------------------*/
12174 int Jim_fprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, ... )
12180 r
= Jim_vfprintf( interp
, cookie
, fmt
,ap
);
12185 int Jim_vfprintf( Jim_Interp
*interp
, void *cookie
, const char *fmt
, va_list ap
)
12187 if( (interp
== NULL
) || (interp
->cb_vfprintf
== NULL
) ){
12191 return (*(interp
->cb_vfprintf
))( cookie
, fmt
, ap
);
12194 size_t Jim_fwrite( Jim_Interp
*interp
, const void *ptr
, size_t size
, size_t n
, void *cookie
)
12196 if( (interp
== NULL
) || (interp
->cb_fwrite
== NULL
) ){
12200 return (*(interp
->cb_fwrite
))( ptr
, size
, n
, cookie
);
12203 size_t Jim_fread( Jim_Interp
*interp
, void *ptr
, size_t size
, size_t n
, void *cookie
)
12205 if( (interp
== NULL
) || (interp
->cb_fread
== NULL
) ){
12209 return (*(interp
->cb_fread
))( ptr
, size
, n
, cookie
);
12212 int Jim_fflush( Jim_Interp
*interp
, void *cookie
)
12214 if( (interp
== NULL
) || (interp
->cb_fflush
== NULL
) ){
12215 /* pretend all is well */
12218 return (*(interp
->cb_fflush
))( cookie
);
12221 char* Jim_fgets( Jim_Interp
*interp
, char *s
, int size
, void *cookie
)
12223 if( (interp
== NULL
) || (interp
->cb_fgets
== NULL
) ){
12227 return (*(interp
->cb_fgets
))( s
, size
, cookie
);
12231 Jim_Nvp_name2value_simple( const Jim_Nvp
*p
, const char *name
)
12234 if( 0 == strcmp( name
, p
->name
) ){
12239 return ((Jim_Nvp
*)(p
));
12243 Jim_Nvp_name2value_nocase_simple( const Jim_Nvp
*p
, const char *name
)
12246 if( 0 == strcasecmp( name
, p
->name
) ){
12251 return ((Jim_Nvp
*)(p
));
12255 Jim_Nvp_name2value_obj( Jim_Interp
*interp
,
12260 return Jim_Nvp_name2value( interp
, p
, Jim_GetString( o
, NULL
), result
);
12265 Jim_Nvp_name2value( Jim_Interp
*interp
,
12272 p
= Jim_Nvp_name2value_simple( _p
, name
);
12276 *result
= (Jim_Nvp
*)(p
);
12288 Jim_Nvp_name2value_obj_nocase( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**puthere
)
12290 return Jim_Nvp_name2value_nocase( interp
, p
, Jim_GetString( o
, NULL
), puthere
);
12294 Jim_Nvp_name2value_nocase( Jim_Interp
*interp
, const Jim_Nvp
*_p
, const char *name
, Jim_Nvp
**puthere
)
12298 p
= Jim_Nvp_name2value_nocase_simple( _p
, name
);
12301 *puthere
= (Jim_Nvp
*)(p
);
12313 Jim_Nvp_value2name_obj( Jim_Interp
*interp
, const Jim_Nvp
*p
, Jim_Obj
*o
, Jim_Nvp
**result
)
12318 e
= Jim_GetWide( interp
, o
, &w
);
12323 return Jim_Nvp_value2name( interp
, p
, w
, result
);
12327 Jim_Nvp_value2name_simple( const Jim_Nvp
*p
, int value
)
12330 if( value
== p
->value
){
12335 return ((Jim_Nvp
*)(p
));
12340 Jim_Nvp_value2name( Jim_Interp
*interp
, const Jim_Nvp
*_p
, int value
, Jim_Nvp
**result
)
12344 p
= Jim_Nvp_value2name_simple( _p
, value
);
12347 *result
= (Jim_Nvp
*)(p
);
12359 Jim_GetOpt_Setup( Jim_GetOptInfo
*p
, Jim_Interp
*interp
, int argc
, Jim_Obj
* const * argv
)
12361 memset( p
, 0, sizeof(*p
) );
12362 p
->interp
= interp
;
12370 Jim_GetOpt_Debug( Jim_GetOptInfo
*p
)
12374 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "---args---\n");
12375 for( x
= 0 ; x
< p
->argc
; x
++ ){
12376 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
,
12379 Jim_GetString( p
->argv
[x
], NULL
) );
12381 Jim_fprintf( p
->interp
, p
->interp
->cookie_stderr
, "-------\n");
12386 Jim_GetOpt_Obj( Jim_GetOptInfo
*goi
, Jim_Obj
**puthere
)
12390 o
= NULL
; // failure
12408 Jim_GetOpt_String( Jim_GetOptInfo
*goi
, char **puthere
, int *len
)
12415 r
= Jim_GetOpt_Obj( goi
, &o
);
12417 cp
= Jim_GetString( o
, len
);
12420 *puthere
= (char *)(cp
);
12427 Jim_GetOpt_Double( Jim_GetOptInfo
*goi
, double *puthere
)
12433 if( puthere
== NULL
){
12437 r
= Jim_GetOpt_Obj( goi
, &o
);
12439 r
= Jim_GetDouble( goi
->interp
, o
, puthere
);
12441 Jim_SetResult_sprintf( goi
->interp
,
12442 "not a number: %s",
12443 Jim_GetString( o
, NULL
) );
12450 Jim_GetOpt_Wide( Jim_GetOptInfo
*goi
, jim_wide
*puthere
)
12456 if( puthere
== NULL
){
12460 r
= Jim_GetOpt_Obj( goi
, &o
);
12462 r
= Jim_GetWide( goi
->interp
, o
, puthere
);
12467 int Jim_GetOpt_Nvp( Jim_GetOptInfo
*goi
,
12468 const Jim_Nvp
*nvp
,
12475 if( puthere
== NULL
){
12479 e
= Jim_GetOpt_Obj( goi
, &o
);
12481 e
= Jim_Nvp_name2value_obj( goi
->interp
,
12491 Jim_GetOpt_NvpUnknown( Jim_GetOptInfo
*goi
,
12492 const Jim_Nvp
*nvptable
,
12496 Jim_SetResult_NvpUnknown( goi
->interp
,
12501 Jim_SetResult_NvpUnknown( goi
->interp
,
12510 Jim_GetOpt_Enum( Jim_GetOptInfo
*goi
,
12511 const char * const * lookup
,
12518 if( puthere
== NULL
){
12521 e
= Jim_GetOpt_Obj( goi
, &o
);
12523 e
= Jim_GetEnum( goi
->interp
,
12536 Jim_SetResult_sprintf( Jim_Interp
*interp
, const char *fmt
,... )
12539 #ifndef HAVE_VASPRINTF
12544 vsnprintf( buf
, sizeof(buf
), fmt
, ap
);
12546 /* garentee termination */
12548 Jim_SetResultString( interp
, buf
, -1 );
12553 vasprintf( &buf
, fmt
, ap
);
12556 Jim_SetResultString( interp
, buf
, -1 );
12565 Jim_SetResult_NvpUnknown( Jim_Interp
*interp
,
12566 Jim_Obj
*param_name
,
12567 Jim_Obj
*param_value
,
12568 const Jim_Nvp
*nvp
)
12571 Jim_SetResult_sprintf( interp
,
12572 "%s: Unknown: %s, try one of: ",
12573 Jim_GetString( param_name
, NULL
),
12574 Jim_GetString( param_value
, NULL
) );
12576 Jim_SetResult_sprintf( interp
,
12577 "Unknown param: %s, try one of: ",
12578 Jim_GetString( param_value
, NULL
) );
12580 while( nvp
->name
){
12584 if( (nvp
+1)->name
){
12591 Jim_AppendStrings( interp
,
12592 Jim_GetResult(interp
),
12599 static Jim_Obj
*debug_string_obj
;
12602 Jim_Debug_ArgvString( Jim_Interp
*interp
, int argc
, Jim_Obj
*const *argv
)
12606 if( debug_string_obj
){
12607 Jim_FreeObj( interp
, debug_string_obj
);
12610 debug_string_obj
= Jim_NewEmptyStringObj( interp
);
12611 for( x
= 0 ; x
< argc
; x
++ ){
12612 Jim_AppendStrings( interp
,
12614 Jim_GetString( argv
[x
], NULL
),
12619 return Jim_GetString( debug_string_obj
, NULL
);
12625 * Local Variables: ***
12626 * c-basic-offset: 4 ***