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-rw-r--r--win/winMain.c300
1 files changed, 200 insertions, 100 deletions
diff --git a/win/winMain.c b/win/winMain.c
index 01a5e23..62bcbd8 100644
--- a/win/winMain.c
+++ b/win/winMain.c
@@ -1,29 +1,29 @@
/*
* winMain.c --
*
- * Main entry point for wish and other Tk-based applications.
+ * Provides a default version of the main program and Tcl_AppInit
+ * procedure for wish and other Tk-based applications.
*
- * Copyright (c) 1995-1997 Sun Microsystems, Inc.
- * Copyright (c) 1998-1999 by Scriptics Corporation.
+ * Copyright (c) 1993 The Regents of the University of California.
+ * Copyright (c) 1994-1997 Sun Microsystems, Inc.
+ * Copyright (c) 1998-1999 Scriptics Corporation.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
-#include "tkInt.h"
+#include "tk.h"
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#undef WIN32_LEAN_AND_MEAN
#include <locale.h>
+#include <stdlib.h>
+#include <tchar.h>
#if defined(__GNUC__)
int _CRT_glob = 0;
#endif /* __GNUC__ */
-/*
- * The following declarations refer to internal Tk routines. These interfaces
- * are available for use, but are not supported.
- */
#ifdef TK_TEST
extern Tcl_PackageInitProc Tktest_Init;
#endif /* TK_TEST */
@@ -34,12 +34,14 @@ extern Tcl_PackageInitProc Dde_Init;
extern Tcl_PackageInitProc Dde_SafeInit;
#endif
+#ifdef TCL_BROKEN_MAINARGS
+static void setargv(int *argcPtr, TCHAR ***argvPtr);
+#endif
+
/*
* Forward declarations for procedures defined later in this file:
*/
-static void WishPanic(CONST char *format, ...);
-
static BOOL consoleRequired = TRUE;
/*
@@ -51,7 +53,10 @@ static BOOL consoleRequired = TRUE;
#ifndef TK_LOCAL_APPINIT
#define TK_LOCAL_APPINIT Tcl_AppInit
#endif
-extern int TK_LOCAL_APPINIT(Tcl_Interp *interp);
+#ifndef MODULE_SCOPE
+# define MODULE_SCOPE extern
+#endif
+MODULE_SCOPE int TK_LOCAL_APPINIT(Tcl_Interp *interp);
/*
* The following #if block allows you to change how Tcl finds the startup
@@ -60,13 +65,17 @@ extern int TK_LOCAL_APPINIT(Tcl_Interp *interp);
*/
#ifdef TK_LOCAL_MAIN_HOOK
-extern int TK_LOCAL_MAIN_HOOK(int *argc, char ***argv);
+MODULE_SCOPE int TK_LOCAL_MAIN_HOOK(int *argc, TCHAR ***argv);
#endif
+
+/* Make sure the stubbed variants of those are never used. */
+#undef Tcl_ObjSetVar2
+#undef Tcl_NewStringObj
/*
*----------------------------------------------------------------------
*
- * WinMain --
+ * _tWinMain --
*
* Main entry point from Windows.
*
@@ -80,17 +89,23 @@ extern int TK_LOCAL_MAIN_HOOK(int *argc, char ***argv);
*/
int APIENTRY
+#ifdef TCL_BROKEN_MAINARGS
WinMain(
HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpszCmdLine,
int nCmdShow)
+#else
+_tWinMain(
+ HINSTANCE hInstance,
+ HINSTANCE hPrevInstance,
+ LPTSTR lpszCmdLine,
+ int nCmdShow)
+#endif
{
- char **argv;
+ TCHAR **argv;
int argc;
- char *p;
-
- Tcl_SetPanicProc(WishPanic);
+ TCHAR *p;
/*
* Create the console channels and install them as the standard channels.
@@ -111,8 +126,12 @@ WinMain(
* Get our args from the c-runtime. Ignore lpszCmdLine.
*/
+#if defined(TCL_BROKEN_MAINARGS)
+ setargv(&argc, &argv);
+#else
argc = __argc;
- argv = __argv;
+ argv = __targv;
+#endif
/*
* Forward slashes substituted for backslashes.
@@ -129,7 +148,7 @@ WinMain(
#endif
Tk_Main(argc, argv, TK_LOCAL_APPINIT);
- return 1;
+ return 0; /* Needed only to prevent compiler warning. */
}
/*
@@ -155,14 +174,11 @@ int
Tcl_AppInit(
Tcl_Interp *interp) /* Interpreter for application. */
{
-#define TK_MAX_WARN_LEN 1024
- WCHAR msgString[TK_MAX_WARN_LEN + 5];
-
- if (Tcl_Init(interp) == TCL_ERROR) {
- goto error;
+ if ((Tcl_Init)(interp) == TCL_ERROR) {
+ return TCL_ERROR;
}
if (Tk_Init(interp) == TCL_ERROR) {
- goto error;
+ return TCL_ERROR;
}
Tcl_StaticPackage(interp, "Tk", Tk_Init, Tk_SafeInit);
@@ -173,26 +189,26 @@ Tcl_AppInit(
if (consoleRequired) {
if (Tk_CreateConsoleWindow(interp) == TCL_ERROR) {
- goto error;
+ return TCL_ERROR;
}
}
#if defined(STATIC_BUILD) && TCL_USE_STATIC_PACKAGES
if (Registry_Init(interp) == TCL_ERROR) {
- goto error;
+ return TCL_ERROR;
}
- Tcl_StaticPackage(interp, "registry", Registry_Init, NULL);
+ Tcl_StaticPackage(interp, "registry", Registry_Init, 0);
if (Dde_Init(interp) == TCL_ERROR) {
- goto error;
+ return TCL_ERROR;
}
- Tcl_StaticPackage(interp, "dde", Dde_Init, NULL);
+ Tcl_StaticPackage(interp, "dde", Dde_Init, Dde_SafeInit);
#endif
#ifdef TK_TEST
if (Tktest_Init(interp) == TCL_ERROR) {
- goto error;
+ return TCL_ERROR;
}
- Tcl_StaticPackage(interp, "Tktest", Tktest_Init, NULL);
+ Tcl_StaticPackage(interp, "Tktest", Tktest_Init, 0);
#endif /* TK_TEST */
/*
@@ -208,7 +224,7 @@ Tcl_AppInit(
*/
/*
- * Call Tcl_CreateCommand for application-specific commands, if they
+ * Call Tcl_CreateObjCommand for application-specific commands, if they
* weren't already created by the init procedures called above.
*/
@@ -219,76 +235,16 @@ Tcl_AppInit(
* specific startup file will be run under any conditions.
*/
- Tcl_SetVar(interp, "tcl_rcFileName", "~/wishrc.tcl", TCL_GLOBAL_ONLY);
+ Tcl_ObjSetVar2(interp, Tcl_NewStringObj("tcl_rcFileName", -1), NULL,
+ Tcl_NewStringObj("~/wishrc.tcl", -1), TCL_GLOBAL_ONLY);
return TCL_OK;
-
-error:
- MultiByteToWideChar(CP_UTF8, 0, Tcl_GetStringResult(interp), -1,
- msgString, TK_MAX_WARN_LEN);
- /*
- * Truncate MessageBox string if it is too long to not overflow the screen
- * and cause possible oversized window error.
- */
- memcpy(msgString + TK_MAX_WARN_LEN, L" ...", 5 * sizeof(WCHAR));
- MessageBeep(MB_ICONEXCLAMATION);
- MessageBoxW(NULL, msgString, L"Error in Wish",
- MB_ICONSTOP | MB_OK | MB_TASKMODAL | MB_SETFOREGROUND);
- ExitProcess(1);
-
- /*
- * We won't reach this, but we need the return.
- */
-
- return TCL_ERROR;
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * WishPanic --
- *
- * Display a message and exit.
- *
- * Results:
- * None.
- *
- * Side effects:
- * Exits the program.
- *
- *----------------------------------------------------------------------
- */
-
-void
-WishPanic(
- CONST char *format, ...)
-{
- va_list argList;
- char buf[TK_MAX_WARN_LEN];
- WCHAR msgString[TK_MAX_WARN_LEN + 5];
-
- va_start(argList, format);
- vsprintf(buf, format, argList);
-
- MultiByteToWideChar(CP_UTF8, 0, buf, -1, msgString, TK_MAX_WARN_LEN);
- /*
- * Truncate MessageBox string if it is too long to not overflow the screen
- * and cause possible oversized window error.
- */
- memcpy(msgString + TK_MAX_WARN_LEN, L" ...", 5 * sizeof(WCHAR));
- MessageBeep(MB_ICONEXCLAMATION);
- MessageBoxW(NULL, msgString, L"Fatal Error in Wish",
- MB_ICONSTOP | MB_OK | MB_TASKMODAL | MB_SETFOREGROUND);
-#ifdef _MSC_VER
- DebugBreak();
-#endif
- ExitProcess(1);
}
#if defined(TK_TEST)
/*
*----------------------------------------------------------------------
*
- * main --
+ * _tmain --
*
* Main entry point from the console.
*
@@ -302,13 +258,20 @@ WishPanic(
*----------------------------------------------------------------------
*/
+#ifdef TCL_BROKEN_MAINARGS
int
main(
int argc,
- char **argv)
+ char **dummy)
{
- Tcl_SetPanicProc(WishPanic);
-
+ TCHAR **argv;
+#else
+int
+_tmain(
+ int argc,
+ TCHAR **argv)
+{
+#endif
/*
* Set up the default locale to be standard "C" locale so parsing is
* performed correctly.
@@ -316,6 +279,13 @@ main(
setlocale(LC_ALL, "C");
+#ifdef TCL_BROKEN_MAINARGS
+ /*
+ * Get our args from the c-runtime. Ignore argc/argv.
+ */
+
+ setargv(&argc, &argv);
+#endif
/*
* Console emulation widget not required as this entry is from the
* console subsystem, thus stdin,out,err already have end-points.
@@ -323,10 +293,140 @@ main(
consoleRequired = FALSE;
+#ifdef TK_LOCAL_MAIN_HOOK
+ TK_LOCAL_MAIN_HOOK(&argc, &argv);
+#endif
+
Tk_Main(argc, argv, Tcl_AppInit);
return 0;
}
-#endif /* TK_TEST */
+#endif /* !__GNUC__ || TK_TEST */
+
+
+/*
+ *-------------------------------------------------------------------------
+ *
+ * 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.
+ *
+ * 2N backslashes + quote -> N backslashes + begin quoted string
+ * 2N + 1 backslashes + quote -> literal
+ * N backslashes + non-quote -> literal
+ * quote + quote in a quoted string -> single quote
+ * quote + quote not in quoted string -> empty string
+ * quote -> begin quoted string
+ *
+ * Results:
+ * Fills argcPtr with the number of arguments and argvPtr with the array
+ * of arguments.
+ *
+ * Side effects:
+ * Memory allocated.
+ *
+ *--------------------------------------------------------------------------
+ */
+
+#ifdef TCL_BROKEN_MAINARGS
+static void
+setargv(
+ int *argcPtr, /* Filled with number of argument strings. */
+ TCHAR ***argvPtr) /* Filled with argument strings (malloc'd). */
+{
+ TCHAR *cmdLine, *p, *arg, *argSpace;
+ TCHAR **argv;
+ int argc, size, inquote, copy, slashes;
+
+ cmdLine = GetCommandLine();
+
+ /*
+ * Precompute an overly pessimistic guess at the number of arguments in
+ * the command line by counting non-space spans.
+ */
+
+ size = 2;
+ for (p = cmdLine; *p != '\0'; p++) {
+ if ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */
+ size++;
+ while ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */
+ p++;
+ }
+ if (*p == '\0') {
+ break;
+ }
+ }
+ }
+
+ /* Make sure we don't call ckalloc through the (not yet initialized) stub table */
+ #undef Tcl_Alloc
+ #undef Tcl_DbCkalloc
+
+ argSpace = ckalloc(size * sizeof(char *)
+ + (_tcslen(cmdLine) * sizeof(TCHAR)) + sizeof(TCHAR));
+ argv = (TCHAR **) argSpace;
+ argSpace += size * (sizeof(char *)/sizeof(TCHAR));
+ size--;
+
+ p = cmdLine;
+ for (argc = 0; argc < size; argc++) {
+ argv[argc] = arg = argSpace;
+ while ((*p == ' ') || (*p == '\t')) { /* INTL: ISO space. */
+ p++;
+ }
+ if (*p == '\0') {
+ break;
+ }
+
+ inquote = 0;
+ slashes = 0;
+ while (1) {
+ copy = 1;
+ while (*p == '\\') {
+ slashes++;
+ p++;
+ }
+ if (*p == '"') {
+ if ((slashes & 1) == 0) {
+ copy = 0;
+ if ((inquote) && (p[1] == '"')) {
+ p++;
+ copy = 1;
+ } else {
+ inquote = !inquote;
+ }
+ }
+ slashes >>= 1;
+ }
+
+ while (slashes) {
+ *arg = '\\';
+ arg++;
+ slashes--;
+ }
+
+ if ((*p == '\0') || (!inquote &&
+ ((*p == ' ') || (*p == '\t')))) { /* INTL: ISO space. */
+ break;
+ }
+ if (copy != 0) {
+ *arg = *p;
+ arg++;
+ }
+ p++;
+ }
+ *arg = '\0';
+ argSpace = arg + 1;
+ }
+ argv[argc] = NULL;
+
+ *argcPtr = argc;
+ *argvPtr = argv;
+}
+#endif /* TCL_BROKEN_MAINARGS */
+
/*
* Local Variables:
* mode: c