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/* $Header$ */ |
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/* |
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* tclAppInit.c -- |
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* |
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* Provides a default version of the main program and Tcl_AppInit |
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* procedure for Tcl applications (without Tk). Note that this |
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* program must be built in Win32 console mode to work properly. |
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* |
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* Copyright (c) 1996-1997 by Sun Microsystems, Inc. |
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* Copyright (c) 1998-1999 by Scriptics Corporation. |
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* |
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* See the file "license.terms" for information on usage and redistribution |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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* |
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* RCS: @(#) $Id: tclappinit.c,v 1.2 2002/01/27 12:01:32 dtashley Exp $ |
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*/ |
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|
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|
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#include "tcl.h" |
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#include <windows.h> |
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#include <locale.h> |
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|
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#ifdef TCL_TEST |
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extern int Procbodytest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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extern int Procbodytest_SafeInit _ANSI_ARGS_((Tcl_Interp *interp)); |
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extern int Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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extern int TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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#ifdef TCL_THREADS |
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extern int TclThread_Init _ANSI_ARGS_((Tcl_Interp *interp)); |
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#endif |
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#endif /* TCL_TEST */ |
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|
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static void setargv _ANSI_ARGS_((int *argcPtr, char ***argvPtr)); |
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|
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|
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/* |
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*---------------------------------------------------------------------- |
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* |
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* main -- |
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* |
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* This is the main program for the application. |
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* |
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* Results: |
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* None: Tcl_Main never returns here, so this procedure never |
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* returns either. |
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* |
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* Side effects: |
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* Whatever the application does. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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|
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int |
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TclBaseMain(argc, argv) |
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int argc; /* Number of command-line arguments. */ |
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char **argv; /* Values of command-line arguments. */ |
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{ |
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/* |
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* The following #if block allows you to change the AppInit |
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* function by using a #define of TCL_LOCAL_APPINIT instead |
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* of rewriting this entire file. The #if checks for that |
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* #define and uses Tcl_AppInit if it doesn't exist. |
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*/ |
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|
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#ifndef TCL_LOCAL_APPINIT |
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#define TCL_LOCAL_APPINIT Tcl_AppInit |
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#endif |
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extern int TCL_LOCAL_APPINIT _ANSI_ARGS_((Tcl_Interp *interp)); |
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|
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/* |
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* The following #if block allows you to change how Tcl finds the startup |
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* script, prime the library or encoding paths, fiddle with the argv, |
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* etc., without needing to rewrite Tcl_Main() |
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*/ |
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|
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#ifdef TCL_LOCAL_MAIN_HOOK |
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extern int TCL_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv)); |
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#endif |
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|
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char buffer[MAX_PATH +1]; |
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char *p; |
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/* |
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* Set up the default locale to be standard "C" locale so parsing |
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* is performed correctly. |
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*/ |
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|
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setlocale(LC_ALL, "C"); |
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setargv(&argc, &argv); |
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|
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/* |
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* Replace argv[0] with full pathname of executable, and forward |
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* slashes substituted for backslashes. |
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*/ |
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|
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GetModuleFileName(NULL, buffer, sizeof(buffer)); |
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argv[0] = buffer; |
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for (p = buffer; *p != '\0'; p++) { |
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if (*p == '\\') { |
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*p = '/'; |
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} |
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} |
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|
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#ifdef TCL_LOCAL_MAIN_HOOK |
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TCL_LOCAL_MAIN_HOOK(&argc, &argv); |
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#endif |
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|
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Tcl_Main(argc, argv, TCL_LOCAL_APPINIT); |
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|
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return 0; /* Needed only to prevent compiler warning. */ |
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} |
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|
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|
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/* |
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*---------------------------------------------------------------------- |
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* |
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* Tcl_AppInit -- |
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* |
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* This procedure performs application-specific initialization. |
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* Most applications, especially those that incorporate additional |
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* packages, will have their own version of this procedure. |
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* |
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* Results: |
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* Returns a standard Tcl completion code, and leaves an error |
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* message in the interp's result if an error occurs. |
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* |
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* Side effects: |
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* Depends on the startup script. |
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* |
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*---------------------------------------------------------------------- |
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*/ |
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|
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int |
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Tcl_AppInit(interp) |
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Tcl_Interp *interp; /* Interpreter for application. */ |
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{ |
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if (Tcl_Init(interp) == TCL_ERROR) { |
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return TCL_ERROR; |
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} |
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|
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#ifdef TCL_TEST |
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if (Tcltest_Init(interp) == TCL_ERROR) { |
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return TCL_ERROR; |
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} |
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Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init, |
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(Tcl_PackageInitProc *) NULL); |
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if (TclObjTest_Init(interp) == TCL_ERROR) { |
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return TCL_ERROR; |
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} |
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#ifdef TCL_THREADS |
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if (TclThread_Init(interp) == TCL_ERROR) { |
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return TCL_ERROR; |
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} |
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#endif |
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if (Procbodytest_Init(interp) == TCL_ERROR) { |
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return TCL_ERROR; |
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} |
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Tcl_StaticPackage(interp, "procbodytest", Procbodytest_Init, |
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Procbodytest_SafeInit); |
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#endif /* TCL_TEST */ |
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|
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/* |
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* Call the init procedures for included packages. Each call should |
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* look like this: |
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* |
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* if (Mod_Init(interp) == TCL_ERROR) { |
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* return TCL_ERROR; |
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* } |
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* |
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* where "Mod" is the name of the module. |
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*/ |
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|
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/* |
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* Call Tcl_CreateCommand for application-specific commands, if |
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* they weren't already created by the init procedures called above. |
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*/ |
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|
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/* |
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* Specify a user-specific startup file to invoke if the application |
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* is run interactively. Typically the startup file is "~/.apprc" |
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* where "app" is the name of the application. If this line is deleted |
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* then no user-specific startup file will be run under any conditions. |
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*/ |
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|
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Tcl_SetVar(interp, "tcl_rcFileName", "~/tclshrc.tcl", TCL_GLOBAL_ONLY); |
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return TCL_OK; |
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} |
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|
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/* |
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*------------------------------------------------------------------------- |
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* |
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* setargv -- |
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* |
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* Parse the Windows command line string into argc/argv. Done here |
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* because we don't trust the builtin argument parser in crt0. |
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* Windows applications are responsible for breaking their command |
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* line into arguments. |
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* |
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* 2N backslashes + quote -> N backslashes + begin quoted string |
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* 2N + 1 backslashes + quote -> literal |
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* N backslashes + non-quote -> literal |
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* quote + quote in a quoted string -> single quote |
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* quote + quote not in quoted string -> empty string |
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* quote -> begin quoted string |
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* |
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* Results: |
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* Fills argcPtr with the number of arguments and argvPtr with the |
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* array of arguments. |
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* |
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* Side effects: |
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* Memory allocated. |
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* |
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*-------------------------------------------------------------------------- |
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*/ |
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|
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static void |
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setargv(argcPtr, argvPtr) |
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int *argcPtr; /* Filled with number of argument strings. */ |
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char ***argvPtr; /* Filled with argument strings (malloc'd). */ |
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{ |
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char *cmdLine, *p, *arg, *argSpace; |
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char **argv; |
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int argc, size, inquote, copy, slashes; |
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|
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cmdLine = GetCommandLine(); /* INTL: BUG */ |
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|
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/* |
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* Precompute an overly pessimistic guess at the number of arguments |
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* in the command line by counting non-space spans. |
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*/ |
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|
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size = 2; |
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for (p = cmdLine; *p != '\0'; p++) { |
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if ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */ |
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size++; |
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while ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */ |
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p++; |
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} |
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if (*p == '\0') { |
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break; |
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} |
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} |
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} |
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argSpace = (char *) Tcl_Alloc( |
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(unsigned) (size * sizeof(char *) + strlen(cmdLine) + 1)); |
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argv = (char **) argSpace; |
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argSpace += size * sizeof(char *); |
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size--; |
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|
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p = cmdLine; |
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for (argc = 0; argc < size; argc++) { |
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argv[argc] = arg = argSpace; |
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while ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */ |
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p++; |
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} |
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if (*p == '\0') { |
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break; |
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} |
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|
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inquote = 0; |
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slashes = 0; |
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while (1) { |
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copy = 1; |
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while (*p == '\\') { |
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slashes++; |
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p++; |
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} |
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if (*p == '"') { |
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if ((slashes & 1) == 0) { |
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copy = 0; |
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if ((inquote) && (p[1] == '"')) { |
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p++; |
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copy = 1; |
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} else { |
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inquote = !inquote; |
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} |
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} |
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slashes >>= 1; |
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} |
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|
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while (slashes) { |
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*arg = '\\'; |
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arg++; |
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slashes--; |
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} |
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|
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if ((*p == '\0') |
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|| (!inquote && ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */ |
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break; |
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} |
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if (copy != 0) { |
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*arg = *p; |
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arg++; |
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} |
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p++; |
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} |
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*arg = '\0'; |
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argSpace = arg + 1; |
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} |
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argv[argc] = NULL; |
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|
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*argcPtr = argc; |
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*argvPtr = argv; |
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} |
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|
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/* End of tclappinit.c */ |
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