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authornijtmans <nijtmans>2010-09-29 20:04:09 (GMT)
committernijtmans <nijtmans>2010-09-29 20:04:09 (GMT)
commitc240909716db63ba2036f34e975de5905b2871dd (patch)
tree55bb63d8046fe563ffbe8af794dd61e4f43e0903 /generic
parent4a8ffe9702aa6da7c488be032ac605a65f0cde6f (diff)
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tclMain.c: make compilable with -DUNICODE as well
Diffstat (limited to 'generic')
-rw-r--r--generic/tclMain.c96
1 files changed, 72 insertions, 24 deletions
diff --git a/generic/tclMain.c b/generic/tclMain.c
index b274f41..6fb67ac 100644
--- a/generic/tclMain.c
+++ b/generic/tclMain.c
@@ -10,9 +10,19 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclMain.c,v 1.51 2010/09/23 18:08:35 dgp Exp $
+ * RCS: @(#) $Id: tclMain.c,v 1.52 2010/09/29 20:04:09 nijtmans Exp $
*/
+/**
+ * On Windows, this file needs to be compiled twice, once with
+ * TCL_ASCII_MAIN defined. This way both Tcl_Main and Tcl_MainExW
+ * can be implemented, sharing the same source code.
+ */
+#ifndef TCL_ASCII_MAIN
+# undef UNICODE
+# undef _UNICODE
+#endif
+
#include "tclInt.h"
/*
@@ -22,6 +32,36 @@
#define DEFAULT_PRIMARY_PROMPT "% "
/*
+ * This file can be compiled on Windows in UNICODE mode, as well as
+ * on all other platforms using the native encoding. This is done
+ * by using the normal Windows functions like _tcscmp, but on
+ * platforms which don't have <tchar.h> we have to translate that
+ * to strcmp here.
+ */
+#ifndef __WIN32__
+# define TCHAR char
+# define TEXT(arg) arg
+# define _tcscmp strcmp
+# define _tcslen strlen
+# define _tcsncmp strncmp
+#endif
+
+/*
+ * Further on, in UNICODE mode, we need to use functions like
+ * Tcl_GetUnicodeFromObj, while otherwise Tcl_GetStringFromObj
+ * is needed. Those macro's assure that the right functions
+ * are used depending on the mode.
+ */
+#ifndef UNICODE
+# undef Tcl_GetUnicodeFromObj
+# define Tcl_GetUnicodeFromObj Tcl_GetStringFromObj
+# undef Tcl_NewUnicodeObj
+# define Tcl_NewUnicodeObj Tcl_NewStringObj
+# undef Tcl_WinTCharToUtf
+# define Tcl_WinTCharToUtf(a,b,c) Tcl_ExternalToUtfDString(NULL,a,b,c)
+#endif /* !UNICODE */
+
+/*
* Declarations for various library functions and variables (don't want to
* include tclPort.h here, because people might copy this file out of the Tcl
* source directory to make their own modified versions).
@@ -43,7 +83,6 @@ typedef struct {
/* Any installed main loop handler. The main
* extension that installs these is Tk. */
} ThreadSpecificData;
-static Tcl_ThreadDataKey dataKey;
/*
* Structure definition for information used to keep the state of an
@@ -74,10 +113,12 @@ typedef struct InteractiveState {
* Forward declarations for functions defined later in this file.
*/
-static Tcl_MainLoopProc * GetMainLoop(void);
+MODULE_SCOPE Tcl_MainLoopProc *TclGetMainLoop(void);
static void Prompt(Tcl_Interp *interp, PromptType *promptPtr);
static void StdinProc(ClientData clientData, int mask);
+#ifndef TCL_ASCII_MAIN
+static Tcl_ThreadDataKey dataKey;
/*
*----------------------------------------------------------------------
*
@@ -220,6 +261,7 @@ Tcl_SourceRCFile(
Tcl_DStringFree(&temp);
}
}
+#endif /* !TCL_ASCII_MAIN */
/*----------------------------------------------------------------------
*
@@ -242,7 +284,7 @@ Tcl_SourceRCFile(
void
Tcl_Main(
int argc, /* Number of arguments. */
- char **argv, /* Array of argument strings. */
+ TCHAR **argv, /* Array of argument strings. */
Tcl_AppInitProc *appInitProc)
/* Application-specific initialization
* function to call after most initialization
@@ -271,18 +313,20 @@ Tcl_Main(
if (NULL == Tcl_GetStartupScript(NULL)) {
/*
* Check whether first 3 args (argv[1] - argv[3]) look like
- * -encoding ENCODING FILENAME
+ * -encoding ENCODING FILENAME
* or like
- * FILENAME
+ * FILENAME
*/
- if ((argc > 3) && (0 == strcmp("-encoding", argv[1]))
- && ('-' != argv[3][0])) {
- Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]);
+ if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
+ && (TEXT('-') != argv[3][0])) {
+ Tcl_Obj *value = Tcl_NewUnicodeObj(argv[2], -1);
+ Tcl_SetStartupScript(Tcl_NewUnicodeObj(argv[3], -1), Tcl_GetString(value));
+ Tcl_DecrRefCount(value);
argc -= 3;
argv += 3;
- } else if ((argc > 1) && ('-' != argv[1][0])) {
- Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL);
+ } else if ((argc > 1) && (TEXT('-') != argv[1][0])) {
+ Tcl_SetStartupScript(Tcl_NewUnicodeObj(argv[1], -1), NULL);
argc--;
argv++;
}
@@ -290,11 +334,11 @@ Tcl_Main(
path = Tcl_GetStartupScript(&encodingName);
if (path == NULL) {
- Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName);
+ Tcl_WinTCharToUtf(argv[0], -1, &appName);
} else {
- const char *pathName = Tcl_GetStringFromObj(path, &length);
+ const TCHAR *pathName = Tcl_GetUnicodeFromObj(path, &length);
- Tcl_ExternalToUtfDString(NULL, pathName, length, &appName);
+ Tcl_WinTCharToUtf(pathName, length * sizeof(TCHAR), &appName);
path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1);
Tcl_SetStartupScript(path, encodingName);
}
@@ -309,7 +353,7 @@ Tcl_Main(
while (argc--) {
Tcl_DString ds;
- Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds);
+ Tcl_WinTCharToUtf(*argv++, -1, &ds);
Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj(
Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)));
Tcl_DStringFree(&ds);
@@ -402,7 +446,7 @@ Tcl_Main(
inChannel = Tcl_GetStdChannel(TCL_STDIN);
outChannel = Tcl_GetStdChannel(TCL_STDOUT);
while ((inChannel != NULL) && !Tcl_InterpDeleted(interp)) {
- mainLoopProc = GetMainLoop();
+ mainLoopProc = TclGetMainLoop();
if (mainLoopProc == NULL) {
if (tty) {
Prompt(interp, &prompt);
@@ -554,7 +598,7 @@ Tcl_Main(
}
done:
- mainLoopProc = GetMainLoop();
+ mainLoopProc = TclGetMainLoop();
if ((exitCode == 0) && (mainLoopProc != NULL)
&& !Tcl_LimitExceeded(interp)) {
/*
@@ -607,6 +651,7 @@ Tcl_Main(
Tcl_Exit(exitCode);
}
+#ifndef TCL_ASCII_MAIN
/*
*---------------------------------------------------------------
*
@@ -636,7 +681,7 @@ Tcl_SetMainLoop(
/*
*---------------------------------------------------------------
*
- * GetMainLoop --
+ * TclGetMainLoop --
*
* Returns the current alternative main loop function.
*
@@ -652,13 +697,14 @@ Tcl_SetMainLoop(
*---------------------------------------------------------------
*/
-static Tcl_MainLoopProc *
-GetMainLoop(void)
+Tcl_MainLoopProc *
+TclGetMainLoop(void)
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
return tsdPtr->mainLoopProc;
}
+#endif /* !TCL_ASCII_MAIN */
/*
*----------------------------------------------------------------------
@@ -816,10 +862,12 @@ Prompt(
}
if (promptCmdPtr == NULL) {
defaultPrompt:
- outChannel = Tcl_GetStdChannel(TCL_STDOUT);
- if ((*promptPtr == PROMPT_START) && (outChannel != NULL)) {
- Tcl_WriteChars(outChannel, DEFAULT_PRIMARY_PROMPT,
- strlen(DEFAULT_PRIMARY_PROMPT));
+ if (*promptPtr == PROMPT_START) {
+ outChannel = Tcl_GetStdChannel(TCL_STDOUT);
+ if (outChannel != NULL) {
+ Tcl_WriteChars(outChannel, DEFAULT_PRIMARY_PROMPT,
+ strlen(DEFAULT_PRIMARY_PROMPT));
+ }
}
} else {
code = Tcl_EvalObjEx(interp, promptCmdPtr, TCL_EVAL_GLOBAL);