diff options
Diffstat (limited to 'win/tclAppInit.c')
| -rw-r--r-- | win/tclAppInit.c | 282 |
1 files changed, 73 insertions, 209 deletions
diff --git a/win/tclAppInit.c b/win/tclAppInit.c index 4578ea8..289a3c3 100644 --- a/win/tclAppInit.c +++ b/win/tclAppInit.c @@ -2,14 +2,14 @@ * tclAppInit.c -- * * Provides a default version of the main program and Tcl_AppInit - * procedure for Tcl applications (without Tk). Note that this - * program must be built in Win32 console mode to work properly. + * function for Tcl applications (without Tk). Note that this program + * must be built in Win32 console mode to work properly. * * Copyright (c) 1996-1997 by Sun Microsystems, Inc. * Copyright (c) 1998-1999 by Scriptics Corporation. * - * See the file "license.terms" for information on usage and redistribution - * of this file, and for a DISCLAIMER OF ALL WARRANTIES. + * See the file "license.terms" for information on usage and redistribution of + * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #include "tcl.h" @@ -17,24 +17,15 @@ #include <locale.h> #ifdef TCL_TEST -extern int Procbodytest_Init _ANSI_ARGS_((Tcl_Interp *interp)); -extern int Procbodytest_SafeInit _ANSI_ARGS_((Tcl_Interp *interp)); -extern int Tcltest_Init _ANSI_ARGS_((Tcl_Interp *interp)); -extern int TclObjTest_Init _ANSI_ARGS_((Tcl_Interp *interp)); -#ifdef TCL_THREADS -extern int TclThread_Init _ANSI_ARGS_((Tcl_Interp *interp)); -#endif +extern Tcl_PackageInitProc Procbodytest_Init; +extern Tcl_PackageInitProc Procbodytest_SafeInit; +extern Tcl_PackageInitProc Tcltest_Init; +extern Tcl_PackageInitProc TclObjTest_Init; #endif /* TCL_TEST */ -static void setargv _ANSI_ARGS_((int *argcPtr, char ***argvPtr)); -static BOOL __stdcall sigHandler (DWORD fdwCtrlType); -static Tcl_AsyncProc asyncExit; -static void AppInitExitHandler(ClientData clientData); - -static char ** argvSave = NULL; -static Tcl_AsyncHandler exitToken = NULL; -static DWORD exitErrorCode = 0; - +#if defined(__GNUC__) +static void setargv(int *argcPtr, char ***argvPtr); +#endif /* __GNUC__ */ /* *---------------------------------------------------------------------- @@ -44,8 +35,8 @@ static DWORD exitErrorCode = 0; * This is the main program for the application. * * Results: - * None: Tcl_Main never returns here, so this procedure never - * returns either. + * None: Tcl_Main never returns here, so this function never returns + * either. * * Side effects: * Whatever the application does. @@ -54,15 +45,15 @@ static DWORD exitErrorCode = 0; */ int -main(argc, argv) - int argc; /* Number of command-line arguments. */ - char **argv; /* Values of command-line arguments. */ +main( + int argc, + char *argv[]) { /* - * The following #if block allows you to change the AppInit - * function by using a #define of TCL_LOCAL_APPINIT instead - * of rewriting this entire file. The #if checks for that - * #define and uses Tcl_AppInit if it doesn't exist. + * The following #if block allows you to change the AppInit function by + * using a #define of TCL_LOCAL_APPINIT instead of rewriting this entire + * file. The #if checks for that #define and uses Tcl_AppInit if it + * doesn't exist. */ #ifndef TCL_LOCAL_APPINIT @@ -80,29 +71,23 @@ main(argc, argv) extern int TCL_LOCAL_MAIN_HOOK _ANSI_ARGS_((int *argc, char ***argv)); #endif - char buffer[MAX_PATH +1]; char *p; + /* - * Set up the default locale to be standard "C" locale so parsing - * is performed correctly. + * Set up the default locale to be standard "C" locale so parsing is + * performed correctly. */ +#if defined(__GNUC__) + setargv( &argc, &argv ); +#endif setlocale(LC_ALL, "C"); - setargv(&argc, &argv); /* - * Save this for later, so we can free it. + * Forward slashes substituted for backslashes. */ - argvSave = argv; - /* - * Replace argv[0] with full pathname of executable, and forward - * slashes substituted for backslashes. - */ - - GetModuleFileName(NULL, buffer, sizeof(buffer)); - argv[0] = buffer; - for (p = buffer; *p != '\0'; p++) { + for (p = argv[0]; *p != '\0'; p++) { if (*p == '\\') { *p = '/'; } @@ -116,20 +101,19 @@ main(argc, argv) return 0; /* Needed only to prevent compiler warning. */ } - /* *---------------------------------------------------------------------- * * Tcl_AppInit -- * - * This procedure performs application-specific initialization. - * Most applications, especially those that incorporate additional - * packages, will have their own version of this procedure. + * This function performs application-specific initialization. Most + * applications, especially those that incorporate additional packages, + * will have their own version of this function. * * Results: - * Returns a standard Tcl completion code, and leaves an error - * message in the interp's result if an error occurs. + * Returns a standard Tcl completion code, and leaves an error message in + * the interp's result if an error occurs. * * Side effects: * Depends on the startup script. @@ -138,50 +122,33 @@ main(argc, argv) */ int -Tcl_AppInit(interp) - Tcl_Interp *interp; /* Interpreter for application. */ +Tcl_AppInit( + Tcl_Interp *interp) /* Interpreter for application. */ { if (Tcl_Init(interp) == TCL_ERROR) { return TCL_ERROR; } - /* - * Install a signal handler to the win32 console tclsh is running in. - */ - SetConsoleCtrlHandler(sigHandler, TRUE); - exitToken = Tcl_AsyncCreate(asyncExit, NULL); - - /* - * This exit handler will be used to free the - * resources allocated in this file. - */ - Tcl_CreateExitHandler(AppInitExitHandler, NULL); - #ifdef TCL_TEST if (Tcltest_Init(interp) == TCL_ERROR) { return TCL_ERROR; } - Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init, - (Tcl_PackageInitProc *) NULL); + Tcl_StaticPackage(interp, "Tcltest", Tcltest_Init, NULL); if (TclObjTest_Init(interp) == TCL_ERROR) { return TCL_ERROR; } -#ifdef TCL_THREADS - if (TclThread_Init(interp) == TCL_ERROR) { - return TCL_ERROR; - } -#endif if (Procbodytest_Init(interp) == TCL_ERROR) { return TCL_ERROR; } Tcl_StaticPackage(interp, "procbodytest", Procbodytest_Init, - Procbodytest_SafeInit); + Procbodytest_SafeInit); #endif /* TCL_TEST */ -#if defined(STATIC_BUILD) && defined(TCL_USE_STATIC_PACKAGES) +#if defined(STATIC_BUILD) && TCL_USE_STATIC_PACKAGES { extern Tcl_PackageInitProc Registry_Init; extern Tcl_PackageInitProc Dde_Init; + extern Tcl_PackageInitProc Dde_SafeInit; if (Registry_Init(interp) == TCL_ERROR) { return TCL_ERROR; @@ -191,13 +158,13 @@ Tcl_AppInit(interp) if (Dde_Init(interp) == TCL_ERROR) { return TCL_ERROR; } - Tcl_StaticPackage(interp, "dde", Dde_Init, NULL); + Tcl_StaticPackage(interp, "dde", Dde_Init, Dde_SafeInit); } #endif /* - * Call the init procedures for included packages. Each call should - * look like this: + * Call the init functions for included packages. Each call should look + * like this: * * if (Mod_Init(interp) == TCL_ERROR) { * return TCL_ERROR; @@ -207,15 +174,15 @@ Tcl_AppInit(interp) */ /* - * Call Tcl_CreateCommand for application-specific commands, if - * they weren't already created by the init procedures called above. + * Call Tcl_CreateCommand for application-specific commands, if they + * weren't already created by the init functions called above. */ /* - * Specify a user-specific startup file to invoke if the application - * is run interactively. Typically the startup file is "~/.apprc" - * where "app" is the name of the application. If this line is deleted - * then no user-specific startup file will be run under any conditions. + * Specify a user-specific startup file to invoke if the application is + * run interactively. Typically the startup file is "~/.apprc" where "app" + * is the name of the application. If this line is deleted then no + * user-specific startup file will be run under any conditions. */ Tcl_SetVar(interp, "tcl_rcFileName", "~/tclshrc.tcl", TCL_GLOBAL_ONLY); @@ -223,50 +190,14 @@ Tcl_AppInit(interp) } /* - *---------------------------------------------------------------------- - * - * AppInitExitHandler -- - * - * This function is called to cleanup the app init resources before - * Tcl is unloaded. - * - * Results: - * None. - * - * Side effects: - * Frees the saved argv and deletes the async exit handler. - * - *---------------------------------------------------------------------- - */ - -static void -AppInitExitHandler( - ClientData clientData) -{ - if (argvSave != NULL) { - ckfree((char *)argvSave); - argvSave = NULL; - } - - if (exitToken != NULL) { - /* - * This should be safe to do even if we - * are in an async exit right now. - */ - Tcl_AsyncDelete(exitToken); - exitToken = NULL; - } -} - -/* *------------------------------------------------------------------------- * * setargv -- * - * Parse the Windows command line string into argc/argv. Done here - * because we don't trust the builtin argument parser in crt0. - * Windows applications are responsible for breaking their command - * line into arguments. + * Parse the Windows command line string into argc/argv. Done here + * because we don't trust the builtin argument parser in crt0. Windows + * applications are responsible for breaking their command line into + * arguments. * * 2N backslashes + quote -> N backslashes + begin quoted string * 2N + 1 backslashes + quote -> literal @@ -276,8 +207,8 @@ AppInitExitHandler( * quote -> begin quoted string * * Results: - * Fills argcPtr with the number of arguments and argvPtr with the - * array of arguments. + * Fills argcPtr with the number of arguments and argvPtr with the array + * of arguments. * * Side effects: * Memory allocated. @@ -285,10 +216,11 @@ AppInitExitHandler( *-------------------------------------------------------------------------- */ +#if defined(__GNUC__) static void -setargv(argcPtr, argvPtr) - int *argcPtr; /* Filled with number of argument strings. */ - char ***argvPtr; /* Filled with argument strings (malloc'd). */ +setargv( + int *argcPtr, /* Filled with number of argument strings. */ + char ***argvPtr) /* Filled with argument strings (malloc'd). */ { char *cmdLine, *p, *arg, *argSpace; char **argv; @@ -297,8 +229,8 @@ setargv(argcPtr, argvPtr) cmdLine = GetCommandLine(); /* INTL: BUG */ /* - * Precompute an overly pessimistic guess at the number of arguments - * in the command line by counting non-space spans. + * Precompute an overly pessimistic guess at the number of arguments in + * the command line by counting non-space spans. */ size = 2; @@ -346,18 +278,18 @@ setargv(argcPtr, argvPtr) } else { inquote = !inquote; } - } - slashes >>= 1; - } + } + slashes >>= 1; + } - while (slashes) { + while (slashes) { *arg = '\\'; arg++; slashes--; } - if ((*p == '\0') - || (!inquote && ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */ + if ((*p == '\0') || (!inquote && + ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */ break; } if (copy != 0) { @@ -365,7 +297,7 @@ setargv(argcPtr, argvPtr) arg++; } p++; - } + } *arg = '\0'; argSpace = arg + 1; } @@ -374,80 +306,12 @@ setargv(argcPtr, argvPtr) *argcPtr = argc; *argvPtr = argv; } +#endif /* __GNUC__ */ /* - *---------------------------------------------------------------------- - * - * asyncExit -- - * - * The AsyncProc for the exitToken. - * - * Results: - * doesn't actually return. - * - * Side effects: - * tclsh cleanly exits. - * - *---------------------------------------------------------------------- + * Local Variables: + * mode: c + * c-basic-offset: 4 + * fill-column: 78 + * End: */ - -int -asyncExit (ClientData clientData, Tcl_Interp *interp, int code) -{ - Tcl_Exit((int)exitErrorCode); - - /* NOTREACHED */ - return code; -} - -/* - *---------------------------------------------------------------------- - * - * sigHandler -- - * - * Signal handler for the Win32 OS. Catches Ctrl+C, Ctrl+Break and - * other exits. This is needed so tclsh can do it's real clean-up - * and not an unclean crash terminate. - * - * Results: - * TRUE. - * - * Side effects: - * Effects the way the app exits from a signal. This is an - * operating system supplied thread and unsafe to call ANY - * Tcl commands except for Tcl_AsyncMark. - * - *---------------------------------------------------------------------- - */ - -BOOL __stdcall -sigHandler(DWORD fdwCtrlType) -{ - HANDLE hStdIn; - - if (!exitToken) { - /* Async token must have been destroyed, punt gracefully. */ - return FALSE; - } - - /* - * If Tcl is currently executing some bytecode or in the eventloop, - * this will cause Tcl to enter asyncExit at the next command - * boundry. - */ - exitErrorCode = fdwCtrlType; - Tcl_AsyncMark(exitToken); - - /* - * This will cause Tcl_Gets in Tcl_Main() to drop-out with an <EOF> - * should it be blocked on input and our Tcl_AsyncMark didn't grab - * the attention of the interpreter. - */ - hStdIn = GetStdHandle(STD_INPUT_HANDLE); - if (hStdIn) { - CloseHandle(hStdIn); - } - - /* indicate to the OS not to call the default terminator */ - return TRUE; -} |