914 lines
23 KiB
C
914 lines
23 KiB
C
/***************************************************************************
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* Copyright (C) 2005 by Dominic Rath *
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* Dominic.Rath@gmx.de *
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* *
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* Copyright (C) 2007,2008 Øyvind Harboe *
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* oyvind.harboe@zylin.com *
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* *
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* Copyright (C) 2008, Duane Ellis *
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* openocd@duaneeellis.com *
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* *
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* part of this file is taken from libcli (libcli.sourceforge.net) *
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* Copyright (C) David Parrish (david@dparrish.com) *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#if !BUILD_ECOSBOARD
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/* see Embedder-HOWTO.txt in Jim Tcl project hosted on BerliOS*/
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#define JIM_EMBEDDED
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#endif
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// @todo the inclusion of target.h here is a layering violation
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#include "target.h"
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#include "command.h"
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#include "configuration.h"
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#include "log.h"
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#include "time_support.h"
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#include "jim-eventloop.h"
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int fast_and_dangerous = 0;
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Jim_Interp *interp = NULL;
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int handle_sleep_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
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int run_command(command_context_t *context, command_t *c, char *words[], int num_words);
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static void tcl_output(void *privData, const char *file, int line, const char *function, const char *string)
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{
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Jim_Obj *tclOutput=(Jim_Obj *)privData;
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Jim_AppendString(interp, tclOutput, string, strlen(string));
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}
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extern command_context_t *global_cmd_ctx;
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void script_debug(Jim_Interp *interp, const char *name, int argc, Jim_Obj *const *argv)
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{
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int i;
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LOG_DEBUG("command - %s", name);
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for (i = 0; i < argc; i++) {
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int len;
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const char *w = Jim_GetString(argv[i], &len);
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/* end of line comment? */
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if (*w == '#')
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break;
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LOG_DEBUG("%s - argv[%d]=%s", name, i, w);
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}
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}
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static int script_command(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
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{
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/* the private data is stashed in the interp structure */
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command_t *c;
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command_context_t *context;
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int retval;
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int i;
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int nwords;
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char **words;
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/* DANGER!!!! be careful what we invoke here, since interp->cmdPrivData might
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* get overwritten by running other Jim commands! Treat it as an
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* emphemeral global variable that is used in lieu of an argument
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* to the fn and fish it out manually.
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*/
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c = interp->cmdPrivData;
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if (c==NULL)
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{
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LOG_ERROR("BUG: interp->cmdPrivData==NULL");
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return JIM_ERR;
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}
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target_call_timer_callbacks_now();
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LOG_USER_N("%s", ""); /* Keep GDB connection alive*/
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script_debug(interp, c->name, argc, argv);
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words = malloc(sizeof(char *) * argc);
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for (i = 0; i < argc; i++)
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{
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int len;
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const char *w=Jim_GetString(argv[i], &len);
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if (*w=='#')
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{
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/* hit an end of line comment */
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break;
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}
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words[i] = strdup(w);
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if (words[i] == NULL)
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{
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return JIM_ERR;
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}
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}
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nwords = i;
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/* grab the command context from the associated data */
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context = Jim_GetAssocData(interp, "context");
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if (context == NULL)
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{
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/* Tcl can invoke commands directly instead of via command_run_line(). This would
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* happen when the Jim Tcl interpreter is provided by eCos.
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*/
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context = global_cmd_ctx;
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}
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/* capture log output and return it */
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Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
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/* a garbage collect can happen, so we need a reference count to this object */
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Jim_IncrRefCount(tclOutput);
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log_add_callback(tcl_output, tclOutput);
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retval = run_command(context, c, words, nwords);
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log_remove_callback(tcl_output, tclOutput);
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/* We dump output into this local variable */
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Jim_SetResult(interp, tclOutput);
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Jim_DecrRefCount(interp, tclOutput);
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for (i = 0; i < nwords; i++)
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free(words[i]);
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free(words);
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int *return_retval = Jim_GetAssocData(interp, "retval");
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if (return_retval != NULL)
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{
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*return_retval = retval;
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}
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return (retval==ERROR_OK)?JIM_OK:JIM_ERR;
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}
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/* nice short description of source file */
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#define __THIS__FILE__ "command.c"
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command_t* register_command(command_context_t *context, command_t *parent, char *name, int (*handler)(struct command_context_s *context, char* name, char** args, int argc), enum command_mode mode, char *help)
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{
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command_t *c, *p;
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if (!context || !name)
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return NULL;
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c = malloc(sizeof(command_t));
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c->name = strdup(name);
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c->parent = parent;
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c->children = NULL;
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c->handler = handler;
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c->mode = mode;
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if (!help)
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help="";
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c->next = NULL;
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/* place command in tree */
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if (parent)
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{
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if (parent->children)
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{
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/* find last child */
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for (p = parent->children; p && p->next; p = p->next);
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if (p)
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p->next = c;
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}
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else
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{
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parent->children = c;
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}
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}
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else
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{
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if (context->commands)
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{
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/* find last command */
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for (p = context->commands; p && p->next; p = p->next);
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if (p)
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p->next = c;
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}
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else
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{
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context->commands = c;
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}
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}
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/* just a placeholder, no handler */
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if (c->handler==NULL)
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return c;
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/* If this is a two level command, e.g. "flash banks", then the
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* "unknown" proc in startup.tcl must redirect to this command.
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*
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* "flash banks" is translated by "unknown" to "flash_banks"
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* if such a proc exists
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*/
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/* Print help for command */
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const char *t1="";
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const char *t2="";
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const char *t3="";
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/* maximum of two levels :-) */
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if (c->parent!=NULL)
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{
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t1=c->parent->name;
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t2="_";
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}
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t3=c->name;
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const char *full_name=alloc_printf("ocd_%s%s%s", t1, t2, t3);
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Jim_CreateCommand(interp, full_name, script_command, c, NULL);
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free((void *)full_name);
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/* we now need to add an overrideable proc */
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const char *override_name=alloc_printf("proc %s%s%s {args} {if {[catch {eval ocd_%s%s%s $args}]==0} {return \"\"} else { return -code error }", t1, t2, t3, t1, t2, t3);
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Jim_Eval_Named(interp, override_name, __THIS__FILE__, __LINE__ );
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free((void *)override_name);
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/* accumulate help text in Tcl helptext list. */
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Jim_Obj *helptext=Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
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if (Jim_IsShared(helptext))
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helptext = Jim_DuplicateObj(interp, helptext);
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Jim_Obj *cmd_entry=Jim_NewListObj(interp, NULL, 0);
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Jim_Obj *cmd_list=Jim_NewListObj(interp, NULL, 0);
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/* maximum of two levels :-) */
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if (c->parent!=NULL)
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{
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Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->parent->name, -1));
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}
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Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, c->name, -1));
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Jim_ListAppendElement(interp, cmd_entry, cmd_list);
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Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
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Jim_ListAppendElement(interp, helptext, cmd_entry);
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return c;
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}
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int unregister_all_commands(command_context_t *context)
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{
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command_t *c, *c2;
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if (context == NULL)
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return ERROR_OK;
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while(NULL != context->commands)
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{
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c = context->commands;
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while(NULL != c->children)
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{
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c2 = c->children;
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c->children = c->children->next;
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free(c2->name);
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c2->name = NULL;
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free(c2);
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c2 = NULL;
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}
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context->commands = context->commands->next;
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free(c->name);
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c->name = NULL;
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free(c);
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c = NULL;
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}
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return ERROR_OK;
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}
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int unregister_command(command_context_t *context, char *name)
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{
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command_t *c, *p = NULL, *c2;
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if ((!context) || (!name))
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return ERROR_INVALID_ARGUMENTS;
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/* find command */
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c = context->commands;
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while(NULL != c)
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{
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if (strcmp(name, c->name) == 0)
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{
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/* unlink command */
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if (p)
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{
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p->next = c->next;
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}
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else
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{
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/* first element in command list */
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context->commands = c->next;
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}
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/* unregister children */
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while(NULL != c->children)
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{
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c2 = c->children;
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c->children = c->children->next;
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free(c2->name);
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c2->name = NULL;
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free(c2);
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c2 = NULL;
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}
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/* delete command */
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free(c->name);
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c->name = NULL;
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free(c);
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c = NULL;
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return ERROR_OK;
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}
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/* remember the last command for unlinking */
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p = c;
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c = c->next;
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}
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return ERROR_OK;
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}
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void command_output_text(command_context_t *context, const char *data)
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{
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if( context && context->output_handler && data ){
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context->output_handler( context, data );
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}
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}
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void command_print_sameline(command_context_t *context, const char *format, ...)
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{
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char *string;
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va_list ap;
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va_start(ap, format);
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string = alloc_vprintf(format, ap);
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if (string != NULL)
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{
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/* we want this collected in the log + we also want to pick it up as a tcl return
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* value.
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*
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* The latter bit isn't precisely neat, but will do for now.
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*/
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LOG_USER_N("%s", string);
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/* We already printed it above */
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/* command_output_text(context, string); */
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free(string);
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}
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va_end(ap);
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}
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void command_print(command_context_t *context, const char *format, ...)
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{
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char *string;
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va_list ap;
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va_start(ap, format);
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string = alloc_vprintf(format, ap);
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if (string != NULL)
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{
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strcat(string, "\n"); /* alloc_vprintf guaranteed the buffer to be at least one char longer */
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/* we want this collected in the log + we also want to pick it up as a tcl return
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* value.
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*
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* The latter bit isn't precisely neat, but will do for now.
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*/
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LOG_USER_N("%s", string);
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/* We already printed it above */
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/* command_output_text(context, string); */
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free(string);
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}
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va_end(ap);
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}
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int run_command(command_context_t *context, command_t *c, char *words[], int num_words)
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{
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int start_word=0;
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if (!((context->mode == COMMAND_CONFIG) || (c->mode == COMMAND_ANY) || (c->mode == context->mode) ))
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{
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/* Config commands can not run after the config stage */
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LOG_ERROR("Command '%s' only runs during configuration stage", c->name);
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return ERROR_FAIL;
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}
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int retval = c->handler(context, c->name, words + start_word + 1, num_words - start_word - 1);
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if (retval == ERROR_COMMAND_SYNTAX_ERROR)
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{
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/* Print help for command */
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const char *t1="";
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const char *t2="";
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const char *t3="";
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/* maximum of two levels :-) */
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if (c->parent!=NULL)
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{
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t1=c->parent->name;
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t2=" ";
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}
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t3=c->name;
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command_run_linef(context, "help {%s%s%s}", t1, t2, t3);
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}
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else if (retval == ERROR_COMMAND_CLOSE_CONNECTION)
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{
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/* just fall through for a shutdown request */
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}
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else if (retval != ERROR_OK)
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{
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/* we do not print out an error message because the command *should*
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* have printed out an error
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*/
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LOG_DEBUG("Command failed with error code %d", retval);
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}
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return retval;
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}
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int command_run_line(command_context_t *context, char *line)
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{
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/* all the parent commands have been registered with the interpreter
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* so, can just evaluate the line as a script and check for
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* results
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*/
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/* run the line thru a script engine */
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int retval=ERROR_FAIL;
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int retcode;
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/* Beware! This code needs to be reentrant. It is also possible
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* for OpenOCD commands to be invoked directly from Tcl. This would
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* happen when the Jim Tcl interpreter is provided by eCos for
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* instance.
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*/
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Jim_DeleteAssocData(interp, "context");
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retcode = Jim_SetAssocData(interp, "context", NULL, context);
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if (retcode == JIM_OK)
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{
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/* associated the return value */
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Jim_DeleteAssocData(interp, "retval");
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retcode = Jim_SetAssocData(interp, "retval", NULL, &retval);
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if (retcode == JIM_OK)
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{
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retcode = Jim_Eval_Named(interp, line, __THIS__FILE__, __LINE__ );
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Jim_DeleteAssocData(interp, "retval");
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}
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Jim_DeleteAssocData(interp, "context");
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}
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if (retcode == JIM_ERR) {
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if (retval!=ERROR_COMMAND_CLOSE_CONNECTION)
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{
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/* We do not print the connection closed error message */
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Jim_PrintErrorMessage(interp);
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}
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if (retval==ERROR_OK)
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{
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/* It wasn't a low level OpenOCD command that failed */
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return ERROR_FAIL;
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}
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return retval;
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} else if (retcode == JIM_EXIT) {
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/* ignore. */
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/* exit(Jim_GetExitCode(interp)); */
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} else {
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const char *result;
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int reslen;
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result = Jim_GetString(Jim_GetResult(interp), &reslen);
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if (reslen>0)
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{
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int i;
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char buff[256+1];
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for (i = 0; i < reslen; i += 256)
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{
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int chunk;
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chunk = reslen - i;
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if (chunk > 256)
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chunk = 256;
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strncpy(buff, result+i, chunk);
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buff[chunk] = 0;
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LOG_USER_N("%s", buff);
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}
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LOG_USER_N("%s", "\n");
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}
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retval=ERROR_OK;
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}
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return retval;
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}
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int command_run_linef(command_context_t *context, const char *format, ...)
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{
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int retval=ERROR_FAIL;
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char *string;
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va_list ap;
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va_start(ap, format);
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string = alloc_vprintf(format, ap);
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if (string!=NULL)
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{
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retval=command_run_line(context, string);
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}
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va_end(ap);
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return retval;
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}
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void command_set_output_handler(command_context_t* context, int (*output_handler)(struct command_context_s *context, const char* line), void *priv)
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{
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context->output_handler = output_handler;
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context->output_handler_priv = priv;
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}
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command_context_t* copy_command_context(command_context_t* context)
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|
{
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command_context_t* copy_context = malloc(sizeof(command_context_t));
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*copy_context = *context;
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return copy_context;
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}
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|
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int command_done(command_context_t *context)
|
|
{
|
|
free(context);
|
|
context = NULL;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
/* find full path to file */
|
|
static int jim_find(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
|
{
|
|
if (argc != 2)
|
|
return JIM_ERR;
|
|
const char *file = Jim_GetString(argv[1], NULL);
|
|
char *full_path = find_file(file);
|
|
if (full_path == NULL)
|
|
return JIM_ERR;
|
|
Jim_Obj *result = Jim_NewStringObj(interp, full_path, strlen(full_path));
|
|
free(full_path);
|
|
|
|
Jim_SetResult(interp, result);
|
|
return JIM_OK;
|
|
}
|
|
|
|
static int jim_echo(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
|
{
|
|
if (argc != 2)
|
|
return JIM_ERR;
|
|
const char *str = Jim_GetString(argv[1], NULL);
|
|
LOG_USER("%s", str);
|
|
return JIM_OK;
|
|
}
|
|
|
|
static size_t openocd_jim_fwrite(const void *_ptr, size_t size, size_t n, void *cookie)
|
|
{
|
|
size_t nbytes;
|
|
const char *ptr;
|
|
Jim_Interp *interp;
|
|
|
|
/* make it a char easier to read code */
|
|
ptr = _ptr;
|
|
interp = cookie;
|
|
nbytes = size * n;
|
|
if (ptr == NULL || interp == NULL || nbytes == 0) {
|
|
return 0;
|
|
}
|
|
|
|
/* do we have to chunk it? */
|
|
if (ptr[nbytes] == 0)
|
|
{
|
|
/* no it is a C style string */
|
|
LOG_USER_N("%s", ptr);
|
|
return strlen(ptr);
|
|
}
|
|
/* GRR we must chunk - not null terminated */
|
|
while (nbytes) {
|
|
char chunk[128+1];
|
|
int x;
|
|
|
|
x = nbytes;
|
|
if (x > 128) {
|
|
x = 128;
|
|
}
|
|
/* copy it */
|
|
memcpy(chunk, ptr, x);
|
|
/* terminate it */
|
|
chunk[n] = 0;
|
|
/* output it */
|
|
LOG_USER_N("%s", chunk);
|
|
ptr += x;
|
|
nbytes -= x;
|
|
}
|
|
|
|
return n;
|
|
}
|
|
|
|
static size_t openocd_jim_fread(void *ptr, size_t size, size_t n, void *cookie)
|
|
{
|
|
/* TCL wants to read... tell him no */
|
|
return 0;
|
|
}
|
|
|
|
static int openocd_jim_vfprintf(void *cookie, const char *fmt, va_list ap)
|
|
{
|
|
char *cp;
|
|
int n;
|
|
Jim_Interp *interp;
|
|
|
|
n = -1;
|
|
interp = cookie;
|
|
if (interp == NULL)
|
|
return n;
|
|
|
|
cp = alloc_vprintf(fmt, ap);
|
|
if (cp)
|
|
{
|
|
LOG_USER_N("%s", cp);
|
|
n = strlen(cp);
|
|
free(cp);
|
|
}
|
|
return n;
|
|
}
|
|
|
|
static int openocd_jim_fflush(void *cookie)
|
|
{
|
|
/* nothing to flush */
|
|
return 0;
|
|
}
|
|
|
|
static char* openocd_jim_fgets(char *s, int size, void *cookie)
|
|
{
|
|
/* not supported */
|
|
errno = ENOTSUP;
|
|
return NULL;
|
|
}
|
|
|
|
static int jim_capture(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
|
|
{
|
|
if (argc != 2)
|
|
return JIM_ERR;
|
|
int retcode;
|
|
const char *str = Jim_GetString(argv[1], NULL);
|
|
|
|
/* capture log output and return it */
|
|
Jim_Obj *tclOutput = Jim_NewStringObj(interp, "", 0);
|
|
/* a garbage collect can happen, so we need a reference count to this object */
|
|
Jim_IncrRefCount(tclOutput);
|
|
|
|
log_add_callback(tcl_output, tclOutput);
|
|
|
|
retcode = Jim_Eval_Named(interp, str, __THIS__FILE__, __LINE__ );
|
|
|
|
log_remove_callback(tcl_output, tclOutput);
|
|
|
|
/* We dump output into this local variable */
|
|
Jim_SetResult(interp, tclOutput);
|
|
Jim_DecrRefCount(interp, tclOutput);
|
|
|
|
return retcode;
|
|
}
|
|
|
|
command_context_t* command_init()
|
|
{
|
|
command_context_t* context = malloc(sizeof(command_context_t));
|
|
extern const char startup_tcl[];
|
|
const char *HostOs;
|
|
|
|
context->mode = COMMAND_EXEC;
|
|
context->commands = NULL;
|
|
context->current_target = 0;
|
|
context->output_handler = NULL;
|
|
context->output_handler_priv = NULL;
|
|
|
|
#if !BUILD_ECOSBOARD
|
|
Jim_InitEmbedded();
|
|
/* Create an interpreter */
|
|
interp = Jim_CreateInterp();
|
|
/* Add all the Jim core commands */
|
|
Jim_RegisterCoreCommands(interp);
|
|
#endif
|
|
|
|
#if defined( _MSC_VER )
|
|
/* WinXX - is generic, the forward
|
|
* looking problem is this:
|
|
*
|
|
* "win32" or "win64"
|
|
*
|
|
* "winxx" is generic.
|
|
*/
|
|
HostOs = "winxx";
|
|
#elif defined( __LINUX__)
|
|
HostOs = "linux";
|
|
#elif defined( __DARWIN__ )
|
|
HostOs = "darwin";
|
|
#elif defined( __CYGWIN__ )
|
|
HostOs = "cygwin";
|
|
#elif defined( __MINGW32__ )
|
|
HostOs = "mingw32";
|
|
#else
|
|
HostOs = "other";
|
|
#endif
|
|
Jim_SetGlobalVariableStr( interp, "ocd_HOSTOS", Jim_NewStringObj( interp, HostOs , strlen(HostOs)) );
|
|
|
|
Jim_CreateCommand(interp, "ocd_find", jim_find, NULL, NULL);
|
|
Jim_CreateCommand(interp, "echo", jim_echo, NULL, NULL);
|
|
Jim_CreateCommand(interp, "capture", jim_capture, NULL, NULL);
|
|
|
|
/* Set Jim's STDIO */
|
|
interp->cookie_stdin = interp;
|
|
interp->cookie_stdout = interp;
|
|
interp->cookie_stderr = interp;
|
|
interp->cb_fwrite = openocd_jim_fwrite;
|
|
interp->cb_fread = openocd_jim_fread ;
|
|
interp->cb_vfprintf = openocd_jim_vfprintf;
|
|
interp->cb_fflush = openocd_jim_fflush;
|
|
interp->cb_fgets = openocd_jim_fgets;
|
|
|
|
add_default_dirs();
|
|
|
|
#if !BUILD_ECOSBOARD
|
|
Jim_EventLoopOnLoad(interp);
|
|
#endif
|
|
if (Jim_Eval_Named(interp, startup_tcl, "embedded:startup.tcl",1)==JIM_ERR)
|
|
{
|
|
LOG_ERROR("Failed to run startup.tcl (embedded into OpenOCD compile time)");
|
|
Jim_PrintErrorMessage(interp);
|
|
exit(-1);
|
|
}
|
|
|
|
register_command(context, NULL, "sleep", handle_sleep_command,
|
|
COMMAND_ANY, "<n> [busy] - sleep for n milliseconds. \"busy\" means busy wait");
|
|
|
|
register_command(context, NULL, "fast", handle_fast_command,
|
|
COMMAND_ANY, "fast <enable/disable> - place at beginning of config files. Sets defaults to fast and dangerous.");
|
|
|
|
return context;
|
|
}
|
|
|
|
int command_context_mode(command_context_t *cmd_ctx, enum command_mode mode)
|
|
{
|
|
if (!cmd_ctx)
|
|
return ERROR_INVALID_ARGUMENTS;
|
|
|
|
cmd_ctx->mode = mode;
|
|
return ERROR_OK;
|
|
}
|
|
|
|
/* sleep command sleeps for <n> miliseconds
|
|
* this is useful in target startup scripts
|
|
*/
|
|
int handle_sleep_command(struct command_context_s *cmd_ctx,
|
|
char *cmd, char **args, int argc)
|
|
{
|
|
bool busy = false;
|
|
if (argc == 2)
|
|
{
|
|
if (strcmp(args[1], "busy") == 0)
|
|
busy = true;
|
|
else
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
}
|
|
else if (argc < 1 || argc > 2)
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
unsigned long duration = 0;
|
|
int retval = parse_ulong(args[0], &duration);
|
|
if (ERROR_OK != retval)
|
|
return retval;
|
|
|
|
if (!busy)
|
|
{
|
|
long long then = timeval_ms();
|
|
while (timeval_ms() - then < (long long)duration)
|
|
{
|
|
target_call_timer_callbacks_now();
|
|
usleep(1000);
|
|
}
|
|
}
|
|
else
|
|
busy_sleep(duration);
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
int handle_fast_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
|
|
{
|
|
if (argc!=1)
|
|
return ERROR_COMMAND_SYNTAX_ERROR;
|
|
|
|
fast_and_dangerous = strcmp("enable", args[0])==0;
|
|
|
|
return ERROR_OK;
|
|
}
|
|
|
|
void process_jim_events(void)
|
|
{
|
|
#if !BUILD_ECOSBOARD
|
|
static int recursion = 0;
|
|
|
|
if (!recursion)
|
|
{
|
|
recursion++;
|
|
Jim_ProcessEvents (interp, JIM_ALL_EVENTS|JIM_DONT_WAIT);
|
|
recursion--;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void register_jim(struct command_context_s *cmd_ctx, const char *name, int (*cmd)(Jim_Interp *interp, int argc, Jim_Obj *const *argv), const char *help)
|
|
{
|
|
Jim_CreateCommand(interp, name, cmd, NULL, NULL);
|
|
|
|
/* FIX!!! it would be prettier to invoke add_help_text...
|
|
* accumulate help text in Tcl helptext list. */
|
|
Jim_Obj *helptext=Jim_GetGlobalVariableStr(interp, "ocd_helptext", JIM_ERRMSG);
|
|
if (Jim_IsShared(helptext))
|
|
helptext = Jim_DuplicateObj(interp, helptext);
|
|
|
|
Jim_Obj *cmd_entry=Jim_NewListObj(interp, NULL, 0);
|
|
|
|
Jim_Obj *cmd_list=Jim_NewListObj(interp, NULL, 0);
|
|
Jim_ListAppendElement(interp, cmd_list, Jim_NewStringObj(interp, name, -1));
|
|
|
|
Jim_ListAppendElement(interp, cmd_entry, cmd_list);
|
|
Jim_ListAppendElement(interp, cmd_entry, Jim_NewStringObj(interp, help, -1));
|
|
Jim_ListAppendElement(interp, helptext, cmd_entry);
|
|
}
|
|
|
|
/* return global variable long value or 0 upon failure */
|
|
long jim_global_long(const char *variable)
|
|
{
|
|
Jim_Obj *objPtr=Jim_GetGlobalVariableStr(interp, variable, JIM_ERRMSG);
|
|
long t;
|
|
if (Jim_GetLong(interp, objPtr, &t)==JIM_OK)
|
|
{
|
|
return t;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define DEFINE_PARSE_NUM_TYPE(name, type, func, min, max) \
|
|
int parse##name(const char *str, type *ul) \
|
|
{ \
|
|
if (!*str) \
|
|
return ERROR_COMMAND_ARGUMENT_INVALID; \
|
|
char *end; \
|
|
*ul = func(str, &end, 0); \
|
|
if (*end) \
|
|
return ERROR_COMMAND_ARGUMENT_INVALID; \
|
|
if ((max == *ul) && (ERANGE == errno)) \
|
|
return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
|
|
if (min && (min == *ul) && (ERANGE == errno)) \
|
|
return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
|
|
return ERROR_OK; \
|
|
}
|
|
DEFINE_PARSE_NUM_TYPE(_ulong, unsigned long , strtoul, 0, ULONG_MAX)
|
|
DEFINE_PARSE_NUM_TYPE(_ullong, unsigned long long, strtoull, 0, ULLONG_MAX)
|
|
DEFINE_PARSE_NUM_TYPE(_long, long , strtol, LONG_MIN, LONG_MAX)
|
|
DEFINE_PARSE_NUM_TYPE(_llong, long long, strtoll, LLONG_MIN, LLONG_MAX)
|
|
|
|
#define DEFINE_PARSE_WRAPPER(name, type, min, max, functype, funcname) \
|
|
int parse##name(const char *str, type *ul) \
|
|
{ \
|
|
functype n; \
|
|
int retval = parse##funcname(str, &n); \
|
|
if (ERROR_OK != retval) \
|
|
return retval; \
|
|
if (n > max) \
|
|
return ERROR_COMMAND_ARGUMENT_OVERFLOW; \
|
|
if (min) \
|
|
return ERROR_COMMAND_ARGUMENT_UNDERFLOW; \
|
|
*ul = n; \
|
|
return ERROR_OK; \
|
|
}
|
|
|
|
#define DEFINE_PARSE_ULONG(name, type, min, max) \
|
|
DEFINE_PARSE_WRAPPER(name, type, min, max, unsigned long, _ulong)
|
|
DEFINE_PARSE_ULONG(_uint, unsigned, 0, UINT_MAX)
|
|
DEFINE_PARSE_ULONG(_u32, uint32_t, 0, UINT32_MAX)
|
|
DEFINE_PARSE_ULONG(_u16, uint16_t, 0, UINT16_MAX)
|
|
DEFINE_PARSE_ULONG(_u8, uint8_t, 0, UINT8_MAX)
|
|
|
|
#define DEFINE_PARSE_LONG(name, type, min, max) \
|
|
DEFINE_PARSE_WRAPPER(name, type, min, max, long, _long)
|
|
DEFINE_PARSE_LONG(_int, int, n < INT_MIN, INT_MAX)
|
|
DEFINE_PARSE_LONG(_s32, int32_t, n < INT32_MIN, INT32_MAX)
|
|
DEFINE_PARSE_LONG(_s16, int16_t, n < INT16_MIN, INT16_MAX)
|
|
DEFINE_PARSE_LONG(_s8, int8_t, n < INT8_MIN, INT8_MAX)
|