#ifndef COMMAND_H
#define COMMAND_H
-#include "types.h"
+#include <helper/types.h>
/* Integrate the JIM TCL interpretor into the command processing. */
#if BUILD_ECOSBOARD
/* Jim is provied by eCos */
#include <cyg/jimtcl/jim.h>
#else
-#include "jim.h"
+#include <helper/jim.h>
#endif
/* To achieve C99 printf compatibility in MinGW, gnu_printf should be
struct command_context
{
+ Jim_Interp *interp;
enum command_mode mode;
struct command *commands;
int current_target;
- /* Execute a command.
- *
- * If the command fails, it *MUST* return a value != ERROR_OK
- * (many commands break this rule, patches welcome!)
- *
- * This is *especially* important for commands such as writing
- * to flash or verifying memory. The reason is that those commands
- * can be used by programs to determine if the operation succeded
- * or not. If the operation failed, then a program can try
- * an alternative approach.
- *
- * Returning ERROR_COMMAND_SYNTAX_ERROR will have the effect of
- * printing out the syntax of the command.
- */
command_output_handler_t output_handler;
void *output_handler_priv;
};
#define CMD_DATA CMD_CURRENT->jim_handler_data
-/// The type signature for commands' handler functions.
+/**
+ * The type signature for command handling functions. They are
+ * usually registered as part of command_registration, providing
+ * a high-level means for executing a command.
+ *
+ * If the command fails, it *MUST* return a value != ERROR_OK
+ * (many commands break this rule, patches welcome!)
+ *
+ * This is *especially* important for commands such as writing
+ * to flash or verifying memory. The reason is that those commands
+ * can be used by programs to determine if the operation succeded
+ * or not. If the operation failed, then a program can try
+ * an alternative approach.
+ *
+ * Returning ERROR_COMMAND_SYNTAX_ERROR will have the effect of
+ * printing out the syntax of the command.
+ */
typedef __COMMAND_HANDLER((*command_handler_t));
struct command
struct command* register_command(struct command_context *cmd_ctx,
struct command *parent, const struct command_registration *rec);
-#define COMMAND_REGISTER(_cmd_ctx, _parent, _name, _handler, _mode, _help) \
- ({ \
- struct command_registration cr = { \
- .name = _name, \
- .handler = _handler, \
- .mode = _mode, \
- .help = _help, \
- }; \
- register_command(_cmd_ctx, _parent, &cr); \
- })
-
/**
* Register one or more commands in the specified context, as children
* of @c parent (or top-level commends, if NULL). In a registration's
void command_set_output_handler(struct command_context* context,
command_output_handler_t output_handler, void *priv);
-struct command_context* copy_command_context(struct command_context* context);
int command_context_mode(struct command_context *context, enum command_mode mode);
+/* Return the current command context associated with the Jim interpreter or
+ * alternatively the global default command interpreter
+ */
+struct command_context *current_command_context(Jim_Interp *interp);
+/**
+ * Creates a new command context using the startup TCL provided and
+ * the existing Jim interpreter, if any. If interp == NULL, then command_init
+ * creates a command interpreter.
+ */
+struct command_context* command_init(const char *startup_tcl, Jim_Interp *interp);
/**
- * Creates a new command context using the startup TCL provided.
+ * Creates a copy of an existing command context. This does not create
+ * a deep copy of the command list, so modifications in one context will
+ * affect all shared contexts. The caller must track reference counting
+ * and ensure the commands are freed before destroying the last instance.
+ * @param cmd_ctx The command_context that will be copied.
+ * @returns A new command_context with the same state as the original.
*/
-struct command_context* command_init(const char *startup_tcl);
-int command_done(struct command_context *context);
+struct command_context* copy_command_context(struct command_context* cmd_ctx);
+/**
+ * Frees the resources associated with a command context. The commands
+ * are not removed, so unregister_all_commands() must be called first.
+ * @param context The command_context that will be destroyed.
+ */
+void command_done(struct command_context *context);
void command_print(struct command_context *context, const char *format, ...)
__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 2, 3)));
__attribute__ ((format (PRINTF_ATTRIBUTE_FORMAT, 2, 3)));
void command_output_text(struct command_context *context, const char *data);
-void process_jim_events(void);
+void process_jim_events(struct command_context *cmd_ctx);
#define ERROR_COMMAND_CLOSE_CONNECTION (-600)
#define ERROR_COMMAND_SYNTAX_ERROR (-601)
#define ERROR_COMMAND_ARGUMENT_OVERFLOW (-604)
#define ERROR_COMMAND_ARGUMENT_UNDERFLOW (-605)
-extern Jim_Interp *interp;
-
int parse_ulong(const char *str, unsigned long *ul);
int parse_ullong(const char *str, unsigned long long *ul);
*/
#define COMMAND_PARSE_NUMBER(type, in, out) \
do { \
- int retval = parse_##type(in, &(out)); \
- if (ERROR_OK != retval) { \
+ int retval_macro_tmp = parse_##type(in, &(out)); \
+ if (ERROR_OK != retval_macro_tmp) { \
command_print(CMD_CTX, stringify(out) \
" option value ('%s') is not valid", in); \
- return retval; \
+ return retval_macro_tmp; \
} \
} while (0)
#define COMMAND_PARSE_BOOL(in, out, on, off) \
do { \
bool value; \
- int retval = command_parse_bool_arg(in, &value); \
- if (ERROR_OK != retval) { \
+ int retval_macro_tmp = command_parse_bool_arg(in, &value); \
+ if (ERROR_OK != retval_macro_tmp) { \
command_print(CMD_CTX, stringify(out) \
" option value ('%s') is not valid", in); \
command_print(CMD_CTX, " choices are '%s' or '%s'", \
on, off); \
- return retval; \
+ return retval_macro_tmp; \
} \
out = value; \
} while (0)
Code Review / openocd.git / blobdiff