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/* Jimsh - An interactive shell for Jim
* Copyright 2005 Salvatore Sanfilippo <antirez@invece.org>
* Copyright 2009 Steve Bennett <steveb@workware.net.au>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* A copy of the license is also included in the source distribution
* of Jim, as a TXT file name called LICENSE.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "jim.h"
#include "jimautoconf.h"
/* Script to help initialise jimsh */
static const char jimsh_init[] = \
"proc _init {} {\n"
"\trename _init {}\n"
/* XXX This is a big ugly */
#if defined(__MINGW32__)
"\tlappend p {*}[split [env JIMLIB {}] {;}]\n"
#else
"\tlappend p {*}[split [env JIMLIB {}] :]\n"
#endif
"\tlappend p {*}$::auto_path\n"
"\tlappend p [file dirname [info nameofexecutable]]\n"
"\tset ::auto_path $p\n"
"\n"
"\tif {$::tcl_interactive && [env HOME {}] ne \"\"} {\n"
"\t\tforeach src {.jimrc jimrc.tcl} {\n"
"\t\t\tif {[file exists [env HOME]/$src]} {\n"
"\t\t\t\tuplevel #0 source [env HOME]/$src\n"
"\t\t\t\tbreak\n"
"\t\t\t}\n"
"\t\t}\n"
"\t}\n"
"}\n"
/* XXX This is a big ugly */
#if defined(__MINGW32__)
"set jim_argv0 [string map {\\\\ /} $jim_argv0]\n"
#endif
"_init\n";
static void JimSetArgv(Jim_Interp *interp, int argc, char *const argv[])
{
int n;
Jim_Obj *listObj = Jim_NewListObj(interp, NULL, 0);
/* Populate argv global var */
for (n = 0; n < argc; n++) {
Jim_Obj *obj = Jim_NewStringObj(interp, argv[n], -1);
Jim_ListAppendElement(interp, listObj, obj);
}
Jim_SetVariableStr(interp, "argv", listObj);
Jim_SetVariableStr(interp, "argc", Jim_NewIntObj(interp, argc));
}
int main(int argc, char *const argv[])
{
int retcode;
Jim_Interp *interp;
if (argc > 1 && strcmp(argv[1], "--version") == 0) {
printf("%d.%d\n", JIM_VERSION / 100, JIM_VERSION % 100);
return 0;
}
/* Create and initialize the interpreter */
interp = Jim_CreateInterp();
Jim_RegisterCoreCommands(interp);
/* Register static extensions */
if (Jim_InitStaticExtensions(interp) != JIM_OK) {
Jim_MakeErrorMessage(interp);
fprintf(stderr, "%s\n", Jim_String(Jim_GetResult(interp)));
}
Jim_SetVariableStrWithStr(interp, "jim_argv0", argv[0]);
Jim_SetVariableStrWithStr(interp, JIM_INTERACTIVE, argc == 1 ? "1" : "0");
retcode = Jim_Eval(interp, jimsh_init);
if (argc == 1) {
if (retcode == JIM_ERR) {
Jim_MakeErrorMessage(interp);
fprintf(stderr, "%s\n", Jim_String(Jim_GetResult(interp)));
}
if (retcode != JIM_EXIT) {
JimSetArgv(interp, 0, NULL);
retcode = Jim_InteractivePrompt(interp);
}
}
else {
if (argc > 2 && strcmp(argv[1], "-e") == 0) {
JimSetArgv(interp, argc - 3, argv + 3);
retcode = Jim_Eval(interp, argv[2]);
if (retcode != JIM_ERR) {
printf("%s\n", Jim_String(Jim_GetResult(interp)));
}
}
else {
Jim_SetVariableStr(interp, "argv0", Jim_NewStringObj(interp, argv[1], -1));
JimSetArgv(interp, argc - 2, argv + 2);
retcode = Jim_EvalFile(interp, argv[1]);
}
if (retcode == JIM_ERR) {
Jim_MakeErrorMessage(interp);
fprintf(stderr, "%s\n", Jim_String(Jim_GetResult(interp)));
}
}
if (retcode == JIM_EXIT) {
retcode = Jim_GetExitCode(interp);
}
else if (retcode == JIM_ERR) {
retcode = 1;
}
else {
retcode = 0;
}
Jim_FreeInterp(interp);
return retcode;
}
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