Ejemplo n.º 1
0
void
Tcl_Main(
    int argc,			/* Number of arguments. */
    char **argv,		/* Array of argument strings. */
    Tcl_AppInitProc *appInitProc)
				/* Application-specific initialization
				 * function to call after most initialization
				 * but before starting to execute commands. */
{
    Tcl_Obj *path, *resultPtr, *argvPtr, *commandPtr = NULL;
    const char *encodingName = NULL;
    PromptType prompt = PROMPT_START;
    int code, length, tty, exitCode = 0;
    Tcl_Channel inChannel, outChannel, errChannel;
    Tcl_Interp *interp;
    Tcl_DString appName;

    Tcl_FindExecutable(argv[0]);

    interp = Tcl_CreateInterp();
    Tcl_InitMemory(interp);

    /*
     * If the application has not already set a startup script, parse the
     * first few command line arguments to determine the script path and
     * encoding.
     */

    if (NULL == Tcl_GetStartupScript(NULL)) {
	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 * 	-encoding ENCODING FILENAME
	 * or like
	 * 	FILENAME
	 */

	if ((argc > 3) && (0 == strcmp("-encoding", argv[1]))
		&& ('-' != argv[3][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && ('-' != argv[1][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (path == NULL) {
	Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName);
    } else {
	const char *pathName = Tcl_GetStringFromObj(path, &length);

	Tcl_ExternalToUtfDString(NULL, pathName, length, &appName);
	path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1);
	Tcl_SetStartupScript(path, encodingName);
    }
    Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&appName), TCL_GLOBAL_ONLY);
    Tcl_DStringFree(&appName);
    argc--;
    argv++;

    Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_DString ds;

	Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds);
	Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj(
		Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)));
	Tcl_DStringFree(&ds);
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

    /*
     * Set the "tcl_interactive" variable.
     */

    tty = isatty(0);
    Tcl_SetVar(interp, "tcl_interactive", ((path == NULL) && tty) ? "1" : "0",
	    TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    Tcl_Preserve(interp);
    if (appInitProc(interp) != TCL_OK) {
	errChannel = Tcl_GetStdChannel(TCL_STDERR);
	if (errChannel) {
	    Tcl_WriteChars(errChannel,
		    "application-specific initialization failed: ", -1);
	    Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
	    Tcl_WriteChars(errChannel, "\n", 1);
	}
    }
    if (Tcl_InterpDeleted(interp)) {
	goto done;
    }
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }

    /*
     * If a script file was specified then just source that file and quit.
     * Must fetch it again, as the appInitProc might have reset it.
     */

    path = Tcl_GetStartupScript(&encodingName);
    if (path != NULL) {
	code = Tcl_FSEvalFileEx(interp, path, encodingName);
	if (code != TCL_OK) {
	    errChannel = Tcl_GetStdChannel(TCL_STDERR);
	    if (errChannel) {
		Tcl_Obj *options = Tcl_GetReturnOptions(interp, code);
		Tcl_Obj *keyPtr, *valuePtr;

		TclNewLiteralStringObj(keyPtr, "-errorinfo");
		Tcl_IncrRefCount(keyPtr);
		Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr);
		Tcl_DecrRefCount(keyPtr);

		if (valuePtr) {
		    Tcl_WriteObj(errChannel, valuePtr);
		}
		Tcl_WriteChars(errChannel, "\n", 1);
	    }
	    exitCode = 1;
	}
	goto done;
    }

    /*
     * We're running interactively. Source a user-specific startup file if the
     * application specified one and if the file exists.
     */

    Tcl_SourceRCFile(interp);
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }

    /*
     * Process commands from stdin until there's an end-of-file. Note that we
     * need to fetch the standard channels again after every eval, since they
     * may have been changed.
     */

    commandPtr = Tcl_NewObj();
    Tcl_IncrRefCount(commandPtr);

    /*
     * Get a new value for tty if anyone writes to ::tcl_interactive
     */

    Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty, TCL_LINK_BOOLEAN);
    inChannel = Tcl_GetStdChannel(TCL_STDIN);
    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
    while ((inChannel != NULL) && !Tcl_InterpDeleted(interp)) {
	if (mainLoopProc == NULL) {
	    if (tty) {
		Prompt(interp, &prompt);
		if (Tcl_InterpDeleted(interp)) {
		    break;
		}
		if (Tcl_LimitExceeded(interp)) {
		    break;
		}
		inChannel = Tcl_GetStdChannel(TCL_STDIN);
		if (inChannel == NULL) {
		    break;
		}
	    }
	    if (Tcl_IsShared(commandPtr)) {
		Tcl_DecrRefCount(commandPtr);
		commandPtr = Tcl_DuplicateObj(commandPtr);
		Tcl_IncrRefCount(commandPtr);
	    }
	    length = Tcl_GetsObj(inChannel, commandPtr);
	    if (length < 0) {
		if (Tcl_InputBlocked(inChannel)) {
		    /*
		     * This can only happen if stdin has been set to
		     * non-blocking. In that case cycle back and try again.
		     * This sets up a tight polling loop (since we have no
		     * event loop running). If this causes bad CPU hogging, we
		     * might try toggling the blocking on stdin instead.
		     */

		    continue;
		}

		/*
		 * Either EOF, or an error on stdin; we're done
		 */

		break;
	    }

	    /*
	     * Add the newline removed by Tcl_GetsObj back to the string. Have
	     * to add it back before testing completeness, because it can make
	     * a difference. [Bug 1775878]
	     */

	    if (Tcl_IsShared(commandPtr)) {
		Tcl_DecrRefCount(commandPtr);
		commandPtr = Tcl_DuplicateObj(commandPtr);
		Tcl_IncrRefCount(commandPtr);
	    }
	    Tcl_AppendToObj(commandPtr, "\n", 1);
	    if (!TclObjCommandComplete(commandPtr)) {
		prompt = PROMPT_CONTINUE;
		continue;
	    }

	    prompt = PROMPT_START;

	    /*
	     * The final newline is syntactically redundant, and causes some
	     * error messages troubles deeper in, so lop it back off.
	     */

	    Tcl_GetStringFromObj(commandPtr, &length);
	    Tcl_SetObjLength(commandPtr, --length);
	    code = Tcl_RecordAndEvalObj(interp, commandPtr, TCL_EVAL_GLOBAL);
	    inChannel = Tcl_GetStdChannel(TCL_STDIN);
	    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
	    errChannel = Tcl_GetStdChannel(TCL_STDERR);
	    Tcl_DecrRefCount(commandPtr);
	    commandPtr = Tcl_NewObj();
	    Tcl_IncrRefCount(commandPtr);
	    if (code != TCL_OK) {
		if (errChannel) {
		    Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
		    Tcl_WriteChars(errChannel, "\n", 1);
		}
 	    } else if (tty) {
		resultPtr = Tcl_GetObjResult(interp);
		Tcl_IncrRefCount(resultPtr);
		Tcl_GetStringFromObj(resultPtr, &length);
		if ((length > 0) && outChannel) {
		    Tcl_WriteObj(outChannel, resultPtr);
		    Tcl_WriteChars(outChannel, "\n", 1);
		}
		Tcl_DecrRefCount(resultPtr);
	    }
	} else {	/* (mainLoopProc != NULL) */
	    /*
	     * If a main loop has been defined while running interactively, we
	     * want to start a fileevent based prompt by establishing a
	     * channel handler for stdin.
	     */

	    InteractiveState *isPtr = NULL;

	    if (inChannel) {
		if (tty) {
		    Prompt(interp, &prompt);
		}
		isPtr = (InteractiveState *)
			ckalloc(sizeof(InteractiveState));
		isPtr->input = inChannel;
		isPtr->tty = tty;
		isPtr->commandPtr = commandPtr;
		isPtr->prompt = prompt;
		isPtr->interp = interp;

		Tcl_UnlinkVar(interp, "tcl_interactive");
		Tcl_LinkVar(interp, "tcl_interactive", (char *) &(isPtr->tty),
			TCL_LINK_BOOLEAN);

		Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
			isPtr);
	    }

	    mainLoopProc();
	    mainLoopProc = NULL;

	    if (inChannel) {
		tty = isPtr->tty;
		Tcl_UnlinkVar(interp, "tcl_interactive");
		Tcl_LinkVar(interp, "tcl_interactive", (char *) &tty,
			TCL_LINK_BOOLEAN);
		prompt = isPtr->prompt;
		commandPtr = isPtr->commandPtr;
		if (isPtr->input != NULL) {
		    Tcl_DeleteChannelHandler(isPtr->input, StdinProc, isPtr);
		}
		ckfree((char *) isPtr);
	    }
	    inChannel = Tcl_GetStdChannel(TCL_STDIN);
	    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
	    errChannel = Tcl_GetStdChannel(TCL_STDERR);
	}
#ifdef TCL_MEM_DEBUG

	/*
	 * This code here only for the (unsupported and deprecated) [checkmem]
	 * command.
	 */

	if (tclMemDumpFileName != NULL) {
	    mainLoopProc = NULL;
	    Tcl_DeleteInterp(interp);
	}
#endif
    }

  done:
    if ((exitCode == 0) && (mainLoopProc != NULL)
	    && !Tcl_LimitExceeded(interp)) {
	/*
	 * If everything has gone OK so far, call the main loop proc, if it
	 * exists. Packages (like Tk) can set it to start processing events at
	 * this point.
	 */

	mainLoopProc();
	mainLoopProc = NULL;
    }
    if (commandPtr != NULL) {
	Tcl_DecrRefCount(commandPtr);
    }

    /*
     * Rather than calling exit, invoke the "exit" command so that users can
     * replace "exit" with some other command to do additional cleanup on
     * exit. The Tcl_EvalObjEx call should never return.
     */

    if (!Tcl_InterpDeleted(interp)) {
	if (!Tcl_LimitExceeded(interp)) {
	    Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode);

	    Tcl_IncrRefCount(cmd);
	    Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL);
	    Tcl_DecrRefCount(cmd);
	}

	/*
	 * If Tcl_EvalObjEx returns, trying to eval [exit], something unusual
	 * is happening. Maybe interp has been deleted; maybe [exit] was
	 * redefined, maybe we've blown up because of an exceeded limit. We
	 * still want to cleanup and exit.
	 */

	if (!Tcl_InterpDeleted(interp)) {
	    Tcl_DeleteInterp(interp);
	}
    }
    Tcl_SetStartupScript(NULL, NULL);

    /*
     * If we get here, the master interp has been deleted. Allow its
     * destruction with the last matching Tcl_Release.
     */

    Tcl_Release(interp);
    Tcl_Exit(exitCode);
}
Ejemplo n.º 2
0
void
Tcl_MainEx(
    int argc,			/* Number of arguments. */
    TCHAR **argv,		/* Array of argument strings. */
    Tcl_AppInitProc *appInitProc,
				/* Application-specific initialization
				 * function to call after most initialization
				 * but before starting to execute commands. */
    Tcl_Interp *interp)
{
    Tcl_Obj *path, *resultPtr, *argvPtr, *appName;
    const char *encodingName = NULL;
    int code, exitCode = 0;
    Tcl_MainLoopProc *mainLoopProc;
    Tcl_Channel chan;
    InteractiveState is;

    TclpSetInitialEncodings();
    TclpFindExecutable((const char *)argv[0]);

    Tcl_InitMemory(interp);

    is.interp = interp;
    is.prompt = PROMPT_START;
    is.commandPtr = Tcl_NewObj();

    /*
     * If the application has not already set a startup script, parse the
     * first few command line arguments to determine the script path and
     * encoding.
     */

    if (NULL == Tcl_GetStartupScript(NULL)) {
	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 *  -encoding ENCODING FILENAME
	 * or like
	 *  FILENAME
	 */

	if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
		&& ('-' != argv[3][0])) {
	    Tcl_Obj *value = NewNativeObj(argv[2], -1);
	    Tcl_SetStartupScript(NewNativeObj(argv[3], -1),
		    Tcl_GetString(value));
	    Tcl_DecrRefCount(value);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && ('-' != argv[1][0])) {
	    Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (path == NULL) {
	appName = NewNativeObj(argv[0], -1);
    } else {
	appName = path;
    }
    Tcl_SetVar2Ex(interp, "argv0", NULL, appName, TCL_GLOBAL_ONLY);
    argc--;
    argv++;

    Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_ListObjAppendElement(NULL, argvPtr, NewNativeObj(*argv++, -1));
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

    /*
     * Set the "tcl_interactive" variable.
     */

    is.tty = isatty(0);
    Tcl_SetVar2Ex(interp, "tcl_interactive", NULL,
	    Tcl_NewIntObj(!path && is.tty), TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    Tcl_Preserve(interp);
    if (appInitProc(interp) != TCL_OK) {
	chan = Tcl_GetStdChannel(TCL_STDERR);
	if (chan) {
	    Tcl_WriteChars(chan,
		    "application-specific initialization failed: ", -1);
	    Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
	    Tcl_WriteChars(chan, "\n", 1);
	}
    }
    if (Tcl_InterpDeleted(interp)) {
	goto done;
    }
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }
    if (TclFullFinalizationRequested()) {
	/*
	 * Arrange for final deletion of the main interp
	 */

	/* ARGH Munchhausen effect */
	Tcl_CreateExitHandler(FreeMainInterp, interp);
    }

    /*
     * Invoke the script specified on the command line, if any. Must fetch it
     * again, as the appInitProc might have reset it.
     */

    path = Tcl_GetStartupScript(&encodingName);
    if (path != NULL) {
	Tcl_ResetResult(interp);
	code = Tcl_FSEvalFileEx(interp, path, encodingName);
	if (code != TCL_OK) {
	    chan = Tcl_GetStdChannel(TCL_STDERR);
	    if (chan) {
		Tcl_Obj *options = Tcl_GetReturnOptions(interp, code);
		Tcl_Obj *keyPtr, *valuePtr;

		TclNewLiteralStringObj(keyPtr, "-errorinfo");
		Tcl_IncrRefCount(keyPtr);
		Tcl_DictObjGet(NULL, options, keyPtr, &valuePtr);
		Tcl_DecrRefCount(keyPtr);

		if (valuePtr) {
		    Tcl_WriteObj(chan, valuePtr);
		}
		Tcl_WriteChars(chan, "\n", 1);
		Tcl_DecrRefCount(options);
	    }
	    exitCode = 1;
	}
	goto done;
    }

    /*
     * We're running interactively. Source a user-specific startup file if the
     * application specified one and if the file exists.
     */

    Tcl_SourceRCFile(interp);
    if (Tcl_LimitExceeded(interp)) {
	goto done;
    }

    /*
     * Process commands from stdin until there's an end-of-file. Note that we
     * need to fetch the standard channels again after every eval, since they
     * may have been changed.
     */

    Tcl_IncrRefCount(is.commandPtr);

    /*
     * Get a new value for tty if anyone writes to ::tcl_interactive
     */

    Tcl_LinkVar(interp, "tcl_interactive", (char *) &is.tty, TCL_LINK_BOOLEAN);
    is.input = Tcl_GetStdChannel(TCL_STDIN);
    while ((is.input != NULL) && !Tcl_InterpDeleted(interp)) {
	mainLoopProc = TclGetMainLoop();
	if (mainLoopProc == NULL) {
	    int length;

	    if (is.tty) {
		Prompt(interp, &is);
		if (Tcl_InterpDeleted(interp)) {
		    break;
		}
		if (Tcl_LimitExceeded(interp)) {
		    break;
		}
		is.input = Tcl_GetStdChannel(TCL_STDIN);
		if (is.input == NULL) {
		    break;
		}
	    }
	    if (Tcl_IsShared(is.commandPtr)) {
		Tcl_DecrRefCount(is.commandPtr);
		is.commandPtr = Tcl_DuplicateObj(is.commandPtr);
		Tcl_IncrRefCount(is.commandPtr);
	    }
	    length = Tcl_GetsObj(is.input, is.commandPtr);
	    if (length < 0) {
		if (Tcl_InputBlocked(is.input)) {
		    /*
		     * This can only happen if stdin has been set to
		     * non-blocking. In that case cycle back and try again.
		     * This sets up a tight polling loop (since we have no
		     * event loop running). If this causes bad CPU hogging, we
		     * might try toggling the blocking on stdin instead.
		     */

		    continue;
		}

		/*
		 * Either EOF, or an error on stdin; we're done
		 */

		break;
	    }

	    /*
	     * Add the newline removed by Tcl_GetsObj back to the string. Have
	     * to add it back before testing completeness, because it can make
	     * a difference. [Bug 1775878]
	     */

	    if (Tcl_IsShared(is.commandPtr)) {
		Tcl_DecrRefCount(is.commandPtr);
		is.commandPtr = Tcl_DuplicateObj(is.commandPtr);
		Tcl_IncrRefCount(is.commandPtr);
	    }
	    Tcl_AppendToObj(is.commandPtr, "\n", 1);
	    if (!TclObjCommandComplete(is.commandPtr)) {
		is.prompt = PROMPT_CONTINUE;
		continue;
	    }

	    is.prompt = PROMPT_START;

	    /*
	     * The final newline is syntactically redundant, and causes some
	     * error messages troubles deeper in, so lop it back off.
	     */

	    Tcl_GetStringFromObj(is.commandPtr, &length);
	    Tcl_SetObjLength(is.commandPtr, --length);
	    code = Tcl_RecordAndEvalObj(interp, is.commandPtr,
		    TCL_EVAL_GLOBAL);
	    is.input = Tcl_GetStdChannel(TCL_STDIN);
	    Tcl_DecrRefCount(is.commandPtr);
	    is.commandPtr = Tcl_NewObj();
	    Tcl_IncrRefCount(is.commandPtr);
	    if (code != TCL_OK) {
		chan = Tcl_GetStdChannel(TCL_STDERR);
		if (chan) {
		    Tcl_WriteObj(chan, Tcl_GetObjResult(interp));
		    Tcl_WriteChars(chan, "\n", 1);
		}
	    } else if (is.tty) {
		resultPtr = Tcl_GetObjResult(interp);
		Tcl_IncrRefCount(resultPtr);
		Tcl_GetStringFromObj(resultPtr, &length);
		chan = Tcl_GetStdChannel(TCL_STDOUT);
		if ((length > 0) && chan) {
		    Tcl_WriteObj(chan, resultPtr);
		    Tcl_WriteChars(chan, "\n", 1);
		}
		Tcl_DecrRefCount(resultPtr);
	    }
	} else {	/* (mainLoopProc != NULL) */
	    /*
	     * If a main loop has been defined while running interactively, we
	     * want to start a fileevent based prompt by establishing a
	     * channel handler for stdin.
	     */

	    if (is.input) {
		if (is.tty) {
		    Prompt(interp, &is);
		}

		Tcl_CreateChannelHandler(is.input, TCL_READABLE,
			StdinProc, &is);
	    }

	    mainLoopProc();
	    Tcl_SetMainLoop(NULL);

	    if (is.input) {
		Tcl_DeleteChannelHandler(is.input, StdinProc, &is);
	    }
	    is.input = Tcl_GetStdChannel(TCL_STDIN);
	}

	/*
	 * This code here only for the (unsupported and deprecated) [checkmem]
	 * command.
	 */

#ifdef TCL_MEM_DEBUG
	if (tclMemDumpFileName != NULL) {
	    Tcl_SetMainLoop(NULL);
	    Tcl_DeleteInterp(interp);
	}
#endif /* TCL_MEM_DEBUG */
    }

  done:
    mainLoopProc = TclGetMainLoop();
    if ((exitCode == 0) && mainLoopProc && !Tcl_LimitExceeded(interp)) {
	/*
	 * If everything has gone OK so far, call the main loop proc, if it
	 * exists. Packages (like Tk) can set it to start processing events at
	 * this point.
	 */

	mainLoopProc();
	Tcl_SetMainLoop(NULL);
    }
    if (is.commandPtr != NULL) {
	Tcl_DecrRefCount(is.commandPtr);
    }

    /*
     * Rather than calling exit, invoke the "exit" command so that users can
     * replace "exit" with some other command to do additional cleanup on
     * exit. The Tcl_EvalObjEx call should never return.
     */

    if (!Tcl_InterpDeleted(interp) && !Tcl_LimitExceeded(interp)) {
	Tcl_Obj *cmd = Tcl_ObjPrintf("exit %d", exitCode);

	Tcl_IncrRefCount(cmd);
	Tcl_EvalObjEx(interp, cmd, TCL_EVAL_GLOBAL);
	Tcl_DecrRefCount(cmd);
    }

    /*
     * If Tcl_EvalObjEx returns, trying to eval [exit], something unusual is
     * happening. Maybe interp has been deleted; maybe [exit] was redefined,
     * maybe we've blown up because of an exceeded limit. We still want to
     * cleanup and exit.
     */

    Tcl_Exit(exitCode);
}
Ejemplo n.º 3
0
void
Tk_MainEx(
    int argc,			/* Number of arguments. */
    TCHAR **argv,		/* Array of argument strings. */
    Tcl_AppInitProc *appInitProc,
				/* Application-specific initialization
				 * function to call after most initialization
				 * but before starting to execute commands. */
    Tcl_Interp *interp)
{
    Tcl_Obj *path, *argvPtr, *appName;
    const char *encodingName;
    int code, nullStdin = 0;
    Tcl_Channel chan;
    InteractiveState is;

    /*
     * Ensure that we are getting a compatible version of Tcl. This is really
     * only an issue when Tk is loaded dynamically.
     */

    if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
	abort();
    }

#if defined(__WIN32__) && !defined(__WIN64__) && !defined(UNICODE) && !defined(STATIC_BUILD)

    if (tclStubsPtr->reserved9) {
	/* We are running win32 Tk under Cygwin, so let's check
	 * whether the env("DISPLAY") variable or the -display
	 * argument is set. If so, we really want to run the
	 * Tk_MainEx function of libtk8.?.dll, not this one. */
	if (Tcl_GetVar2(interp, "env", "DISPLAY", TCL_GLOBAL_ONLY)) {
	loadCygwinTk:
	    if (TkCygwinMainEx(argc, argv, appInitProc, interp)) {
		/* Should never reach here. */
		return;
	    }
	} else {
	    int i;

	    for (i = 1; i < argc; ++i) {
		if (!_tcscmp(argv[i], TEXT("-display"))) {
		    goto loadCygwinTk;
		}
	    }
	}
    }
#endif

    Tcl_InitMemory(interp);

    is.interp = interp;
    is.gotPartial = 0;
    Tcl_Preserve(interp);

#if defined(__WIN32__) && !defined(__CYGWIN__)
    Tk_InitConsoleChannels(interp);
#endif

#ifdef MAC_OSX_TK
    if (Tcl_GetStartupScript(NULL) == NULL) {
	TkMacOSXDefaultStartupScript();
    }
#endif

    /*
     * If the application has not already set a startup script, parse the
     * first few command line arguments to determine the script path and
     * encoding.
     */

    if (NULL == Tcl_GetStartupScript(NULL)) {
	size_t length;

	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 *  -encoding ENCODING FILENAME
	 * or like
	 *  FILENAME
	 * or like
	 *  -file FILENAME		(ancient history support only)
	 */

	if ((argc > 3) && (0 == _tcscmp(TEXT("-encoding"), argv[1]))
		&& (TEXT('-') != argv[3][0])) {
		Tcl_Obj *value = NewNativeObj(argv[2], -1);
	    Tcl_SetStartupScript(NewNativeObj(argv[3], -1), Tcl_GetString(value));
	    Tcl_DecrRefCount(value);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && (TEXT('-') != argv[1][0])) {
	    Tcl_SetStartupScript(NewNativeObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	} else if ((argc > 2) && (length = _tcslen(argv[1]))
		&& (length > 1) && (0 == _tcsncmp(TEXT("-file"), argv[1], length))
		&& (TEXT('-') != argv[2][0])) {
	    Tcl_SetStartupScript(NewNativeObj(argv[2], -1), NULL);
	    argc -= 2;
	    argv += 2;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (path == NULL) {
	appName = NewNativeObj(argv[0], -1);
    } else {
	appName = path;
    }
    Tcl_SetVar2Ex(interp, "argv0", NULL, appName, TCL_GLOBAL_ONLY);
    argc--;
    argv++;

    Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_ListObjAppendElement(NULL, argvPtr, NewNativeObj(*argv++, -1));
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

    /*
     * Set the "tcl_interactive" variable.
     */

    is.tty = isatty(0);
#if defined(MAC_OSX_TK)
    /*
     * On TkAqua, if we don't have a TTY and stdin is a special character file
     * of length 0, (e.g. /dev/null, which is what Finder sets when double
     * clicking Wish) then use the GUI console.
     */

    if (!is.tty) {
	struct stat st;

	nullStdin = fstat(0, &st) || (S_ISCHR(st.st_mode) && !st.st_blocks);
    }
#endif
    Tcl_SetVar2Ex(interp, "tcl_interactive", NULL,
	    Tcl_NewIntObj(!path && (is.tty || nullStdin)), TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    if (appInitProc(interp) != TCL_OK) {
	TkpDisplayWarning(Tcl_GetStringResult(interp),
		"application-specific initialization failed");
    }

    /*
     * Invoke the script specified on the command line, if any. Must fetch it
     * again, as the appInitProc might have reset it.
     */

    path = Tcl_GetStartupScript(&encodingName);
    if (path != NULL) {
	Tcl_ResetResult(interp);
	code = Tcl_FSEvalFileEx(interp, path, encodingName);
	if (code != TCL_OK) {
	    /*
	     * The following statement guarantees that the errorInfo variable
	     * is set properly.
	     */

	    Tcl_AddErrorInfo(interp, "");
	    TkpDisplayWarning(Tcl_GetVar(interp, "errorInfo",
		    TCL_GLOBAL_ONLY), "Error in startup script");
	    Tcl_DeleteInterp(interp);
	    Tcl_Exit(1);
	}
	is.tty = 0;
    } else {

	/*
	 * Evaluate the .rc file, if one has been specified.
	 */

	Tcl_SourceRCFile(interp);

	/*
	 * Establish a channel handler for stdin.
	 */

	is.input = Tcl_GetStdChannel(TCL_STDIN);
	if (is.input) {
	    Tcl_CreateChannelHandler(is.input, TCL_READABLE, StdinProc, &is);
	}
	if (is.tty) {
	    Prompt(interp, &is);
	}
    }

    chan = Tcl_GetStdChannel(TCL_STDOUT);
    if (chan) {
	Tcl_Flush(chan);
    }
    Tcl_DStringInit(&is.command);
    Tcl_DStringInit(&is.line);
    Tcl_ResetResult(interp);

    /*
     * Loop infinitely, waiting for commands to execute. When there are no
     * windows left, Tk_MainLoop returns and we exit.
     */

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_Release(interp);
    Tcl_SetStartupScript(NULL, NULL);
    Tcl_Exit(0);
}
Ejemplo n.º 4
0
TclTextInterp::TclTextInterp(VMDApp *vmdapp, int guienabled, int mpienabled)
: app(vmdapp) {
  
  interp = Tcl_CreateInterp();
#if 0
  Tcl_InitMemory(interp); // enable Tcl memory debugging features
                          // when compiled with TCL_MEM_DEBUG
#endif

  commandPtr = Tcl_NewObj();
  Tcl_IncrRefCount(commandPtr);
  consoleisatty = vmd_isatty(0); // whether we're interactive or not
  ignorestdin = 0;
  gotPartial = 0;
  needPrompt = 1;
  callLevel = 0;
  starttime = delay = 0;

#if defined(VMDMPI)
  //
  // MPI builds of VMD cannot try to read any command input from the 
  // console because it creates shutdown problems, at least with MPICH.
  // File-based command input is fine however.
  //
  // don't check for interactive console input if running in parallel
  if (mpienabled)
    ignorestdin = 1;
#endif

#if defined(ANDROIDARMV7A)
  //
  // For the time being, the Android builds won't attempt to get any
  // console input.  Any input we're going to get is going to come via
  // some means other than stdin, such as a network socket, text box, etc.
  //
  // Don't check for interactive console input if compiled for Android
  ignorestdin = 1;
#endif

  // set tcl_interactive, lets us run unix commands as from a shell
#if !defined(VMD_NANOHUB)
  Tcl_SetVar(interp, "tcl_interactive", "1", 0);
#else
  Tcl_SetVar(interp, "tcl_interactive", "0", 0);

  Tcl_Channel channel;
#define CLIENT_READ	(3)
#define CLIENT_WRITE	(4)
  channel = Tcl_MakeFileChannel((ClientData)CLIENT_READ, TCL_READABLE);
  if (channel != NULL) {
      const char *result;

      Tcl_RegisterChannel(interp, channel);
      result = Tcl_SetVar2(interp, "vmd_client", "read", 
		Tcl_GetChannelName(channel), 
		TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG);
      if (result == NULL) {
	  fprintf(stderr, "can't create variable for client read channel\n");
      }
  }
  channel = Tcl_MakeFileChannel((ClientData)CLIENT_WRITE, TCL_WRITABLE);
  if (channel != NULL) {
      const char *result;

      Tcl_RegisterChannel(interp, channel);
      result = Tcl_SetVar2(interp, "vmd_client", "write", 
		Tcl_GetChannelName(channel), 
		TCL_GLOBAL_ONLY | TCL_LEAVE_ERR_MSG);
      if (result == NULL) {
	  fprintf(stderr, "can't create variable for client write channel\n");
      }
  }
  write(CLIENT_WRITE, "vmd 1.0\n", 8);
#endif


  // pass our instance of VMDApp to a hash table assoc. with the interpreter 
  Tcl_SetAssocData(interp, "VMDApp", NULL, app);
 
  // Set up argc, argv0, and argv variables
  {
    char argcbuf[20];
    sprintf(argcbuf, "%d", app->argc_m);
    Tcl_SetVar(interp, "argc", argcbuf, TCL_GLOBAL_ONLY);
    // it might be better to use the same thing that was passed to
    // Tcl_FindExecutable, but this is now
    Tcl_SetVar(interp, "argv0", app->argv_m[0], TCL_GLOBAL_ONLY);
    char *args = Tcl_Merge(app->argc_m-1, app->argv_m+1);
    Tcl_SetVar(interp, "argv", args, TCL_GLOBAL_ONLY);
    Tcl_Free(args);
  }

#if defined(_MSC_VER) && TCL_MINOR_VERSION >= 4
  // The Windows versions of Tcl 8.5.x have trouble finding
  // the Tcl library subdirectory for unknown reasons.
  // We force the appropriate env variables to be set in Tcl, 
  // despite Windows.
  {
    char vmdinitscript[4096];
    char * tcl_library = getenv("TCL_LIBRARY");
    char * tk_library = getenv("TK_LIBRARY");

    if (tcl_library) {
      sprintf(vmdinitscript, "set env(TCL_LIBRARY) {%s}", tcl_library);
      if (Tcl_Eval(interp, vmdinitscript) != TCL_OK) {
        msgErr << Tcl_GetStringResult(interp) << sendmsg;
      }
    }
    if (tk_library) {
      sprintf(vmdinitscript, "set env(TK_LIBRARY) {%s}", tk_library);
      if (Tcl_Eval(interp, vmdinitscript) != TCL_OK) {
        msgErr << Tcl_GetStringResult(interp) << sendmsg;
      }
    }
  }
#endif

  if (Tcl_Init(interp) == TCL_ERROR) {  // new with 7.6
    msgErr << "Tcl startup error: " << Tcl_GetStringResult(interp) << sendmsg;
  }

#ifdef VMDTK
  // and the Tk commands (but only if a GUI is available!)
  if (guienabled) {
    if (Tk_Init(interp) == TCL_ERROR) {
      msgErr << "Tk startup error: " << Tcl_GetStringResult(interp) << sendmsg;
    } else {
      Tcl_StaticPackage(interp,  "Tk",
                        (Tcl_PackageInitProc *) Tk_Init,
                        (Tcl_PackageInitProc *) NULL);
    }
  } // end of check that GUI is allowed
#endif
  add_commands();
}
Ejemplo n.º 5
0
TclInterpreter::TclInterpreter(int argc, char **argv)
    :wrapper(), cmds(this)
{

  /* fmk - beginning of modifications for OpenSees */
  fprintf(stderr,"\n\n\t OpenSees -- Open System For Earthquake Engineering Simulation");
  fprintf(stderr,"\n\tPacific Earthquake Engineering Research Center -- 3.0.0\n\n");
  
  fprintf(stderr,"\t    (c) Copyright 1999,2000 The Regents of the University of California");
  fprintf(stderr,"\n\t\t\t\t All Rights Reserved\n");    
  fprintf(stderr,"    (Copyright and Disclaimer @ http://www.berkeley.edu/OpenSees/copyright.html)\n\n\n");
  
  Tcl_FindExecutable(argv[0]);
  interp = Tcl_CreateInterp();
  
#ifdef TCL_MEM_DEBUG
  Tcl_InitMemory(interp);
#endif
  
  /*
   * Make command-line arguments available in the Tcl variables "argc"
   * and "argv".  If the first argument doesn't start with a "-" then
   * strip it off and use it as the name of a script file to process.
   */
  
  if (tclStartupScriptFileName == NULL) {
    if ((argc > 1) && (argv[1][0] != '-')) {
      tclStartupScriptFileName = argv[1];
      argc--;
      argv++;
    }
  }
  
  args = Tcl_Merge(argc-1, argv+1);
  Tcl_ExternalToUtfDString(NULL, args, -1, &argString);
  Tcl_SetVar(interp, "argv", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);
  Tcl_DStringFree(&argString);
  ckfree(args);
  
  
  if (tclStartupScriptFileName == NULL) {
    Tcl_ExternalToUtfDString(NULL, argv[0], -1, &argString);
  } else {
    tclStartupScriptFileName = Tcl_ExternalToUtfDString(NULL,
							tclStartupScriptFileName, -1, &argString);
  }
  
  TclFormatInt(buffer, argc-1);
  Tcl_SetVar(interp, "argc", buffer, TCL_GLOBAL_ONLY);
  Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);
  
  /*
   * Set the "tcl_interactive" variable.
   */
  
  tty = isatty(0);
  char one[2] = "1";
  char zero[2] = "0";
  
  Tcl_SetVar(interp, "tcl_interactive",
	     ((tclStartupScriptFileName == NULL) && tty) ? one : zero,
	     TCL_GLOBAL_ONLY);
  
  /*
   * Invoke application-specific initialization.
   */
  
#ifndef TCL_LOCAL_APPINIT
#define TCL_LOCAL_APPINIT Tcl_AppInit    
#endif
  
  if ((*Tcl_AppInit)(interp) != TCL_OK) {
    errChannel = Tcl_GetStdChannel(TCL_STDERR);
    if (errChannel) {
      Tcl_WriteChars(errChannel,
		     "application-specific initialization failed: ", -1);
      Tcl_WriteObj(errChannel, Tcl_GetObjResult(interp));
      Tcl_WriteChars(errChannel, "\n", 1);
	}
  }
 
  wrapper.addOpenSeesCommands(interp);
}
Ejemplo n.º 6
0
/*
 *----------------------------------------------------------------------
 *
 * Tk_MainOpenSees --
 *
 *	Main program for Wish and most other Tk-based applications.
 *
 * Results:
 *	None. This procedure never returns (it exits the process when
 *	it's done.
 *
 * Side effects:
 *	This procedure initializes the Tk world and then starts
 *	interpreting commands;  almost anything could happen, depending
 *	on the script being interpreted.
 *
 *----------------------------------------------------------------------
 */
void
Tk_MainOpenSees(int argc, char **argv, Tcl_AppInitProc *appInitProc, Tcl_Interp *interp)
{
    char *args, *fileName;
    char buf[TCL_INTEGER_SPACE];
    int code;
    size_t length;
    Tcl_Channel inChannel, outChannel;
    Tcl_DString argString;
    ThreadSpecificData *tsdPtr;

#ifdef __WIN32__
    HANDLE handle;
#endif

    /* fmk - beginning of modifications for OpenSees */
    fprintf(stderr,"\n\n\t OpenSees -- Open System For Earthquake Engineering Simulation");
    fprintf(stderr,"\n\tPacific Earthquake Engineering Research Center -- %s\n\n", OPS_VERSION);
    
    fprintf(stderr,"\t    (c) Copyright 1999 The Regents of the University of California");
    fprintf(stderr,"\n\t\t\t\t All Rights Reserved \n\n\n");    
    fprintf(stderr,"\t(Copyright statement @ http://www.berkeley.edu/OpenSees/copyright.html)\n\n\n");
    /* fmk - end of modifications for OpenSees */

    /*
     * Ensure that we are getting the matching version of Tcl.  This is
     * really only an issue when Tk is loaded dynamically.
     */

    if (Tcl_InitStubs(interp, TCL_VERSION, 1) == NULL) {
	abort();
    }

    tsdPtr = (ThreadSpecificData *) 
	Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
    
    Tcl_FindExecutable(argv[0]);
    tsdPtr->interp = interp;

#if (defined(__WIN32__) || defined(MAC_TCL))
    Tk_InitConsoleChannels(interp);
#endif
    
#ifdef TCL_MEM_DEBUG
    Tcl_InitMemory(interp);
#endif

    /*
     * Parse command-line arguments.  A leading "-file" argument is
     * ignored (a historical relic from the distant past).  If the
     * next argument doesn't start with a "-" then strip it off and
     * use it as the name of a script file to process.
     */

    fileName = TclGetStartupScriptFileName();

    if (argc > 1) {
	length = strlen(argv[1]);
	if ((length >= 2) && (strncmp(argv[1], "-file", length) == 0)) {
	    argc--;
	    argv++;
	}
    }
    if (fileName == NULL) {
	if ((argc > 1) && (argv[1][0] != '-')) {
	    fileName = argv[1];
	    argc--;
	    argv++;
	}
    }
    
	OpenSeesParseArgv(argc, argv);

    /*
     * Make command-line arguments available in the Tcl variables "argc"
     * and "argv".
     */

    args = Tcl_Merge(argc-1, argv+1);
    Tcl_ExternalToUtfDString(NULL, args, -1, &argString);
    Tcl_SetVar(interp, "argv", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);
    Tcl_DStringFree(&argString);
    ckfree(args);
    sprintf(buf, "%d", argc-1);

    if (fileName == NULL) {
	Tcl_ExternalToUtfDString(NULL, argv[0], -1, &argString);
    } else {
	fileName = Tcl_ExternalToUtfDString(NULL, fileName, -1, &argString);
    }
    Tcl_SetVar(interp, "argc", buf, TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&argString), TCL_GLOBAL_ONLY);

    /*
     * Set the "tcl_interactive" variable.
     */

    /*
     * For now, under Windows, we assume we are not running as a console mode
     * app, so we need to use the GUI console.  In order to enable this, we
     * always claim to be running on a tty.  This probably isn't the right
     * way to do it.
     */

#ifdef __WIN32__
    handle = GetStdHandle(STD_INPUT_HANDLE);

    if ((handle == INVALID_HANDLE_VALUE) || (handle == 0) 
	     || (GetFileType(handle) == FILE_TYPE_UNKNOWN)) {
	/*
	 * If it's a bad or closed handle, then it's been connected
	 * to a wish console window.
	 */

	tsdPtr->tty = 1;
    } else if (GetFileType(handle) == FILE_TYPE_CHAR) {
	/*
	 * A character file handle is a tty by definition.
	 */

	tsdPtr->tty = 1;
    } else {
	tsdPtr->tty = 0;
    }

#else
    tsdPtr->tty = isatty(0);
#endif
    char one[2] = "1";
    char zero[2] = "0";
    Tcl_SetVar(interp, "tcl_interactive",
	    ((fileName == NULL) && tsdPtr->tty) ? one : zero, TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */
	if ((*appInitProc)(interp) != TCL_OK) {
      TkpDisplayWarning(Tcl_GetStringResult(interp), "Application Inititialization Failed");
	}
    /*
     * Invoke the script specified on the command line, if any.
     */

    if (fileName != NULL) {
	Tcl_ResetResult(interp);
	code = Tcl_EvalFile(interp, fileName);
	if (code != TCL_OK) {
	    /*
	     * The following statement guarantees that the errorInfo
	     * variable is set properly.
	     */

	    Tcl_AddErrorInfo(interp, "");
	    TkpDisplayWarning(Tcl_GetVar(interp, "error Info",
					 TCL_GLOBAL_ONLY), "Error in startup script");
	    Tcl_DeleteInterp(interp);
	    Tcl_Exit(1);
	}
	tsdPtr->tty = 0;
    } else {

	/*
	 * Evaluate the .rc file, if one has been specified.
	 */

	Tcl_SourceRCFile(interp);

	/*
	 * Establish a channel handler for stdin.
	 */

	inChannel = Tcl_GetStdChannel(TCL_STDIN);
	if (inChannel) {
	    Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
		    (ClientData) inChannel);
	}
	if (tsdPtr->tty) {
	    Prompt(interp, 0);
	}
    }
    Tcl_DStringFree(&argString);

    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
    if (outChannel) {
	Tcl_Flush(outChannel);
    }
    Tcl_DStringInit(&tsdPtr->command);
    Tcl_DStringInit(&tsdPtr->line);
    Tcl_ResetResult(interp);

    /*
     * Loop infinitely, waiting for commands to execute.  When there
     * are no windows left, Tk_MainLoop returns and we exit.
     */

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_Exit(0);
}
Ejemplo n.º 7
0
void
Tk_MainEx(
    int argc,			/* Number of arguments. */
    char **argv,		/* Array of argument strings. */
    Tcl_AppInitProc *appInitProc,
				/* Application-specific initialization
				 * function to call after most initialization
				 * but before starting to execute commands. */
    Tcl_Interp *interp)
{
    Tcl_Obj *path, *argvPtr;
    const char *encodingName;
    int code, nullStdin = 0;
    Tcl_Channel inChannel, outChannel;
    ThreadSpecificData *tsdPtr;
#ifdef __WIN32__
    HANDLE handle;
#endif
    Tcl_DString appName;

    /*
     * Ensure that we are getting a compatible version of Tcl. This is really
     * only an issue when Tk is loaded dynamically.
     */

    if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
	abort();
    }

    tsdPtr = Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));

    Tcl_FindExecutable(argv[0]);
    tsdPtr->interp = interp;
    Tcl_Preserve(interp);

#if defined(__WIN32__)
    Tk_InitConsoleChannels(interp);
#endif

#ifdef MAC_OSX_TK
    if (Tcl_GetStartupScript(NULL) == NULL) {
	TkMacOSXDefaultStartupScript();
    }
#endif

#ifdef TCL_MEM_DEBUG
    Tcl_InitMemory(interp);
#endif

    /*
     * If the application has not already set a startup script, parse the
     * first few command line arguments to determine the script path and
     * encoding.
     */

    if (NULL == Tcl_GetStartupScript(NULL)) {
	size_t length;

	/*
	 * Check whether first 3 args (argv[1] - argv[3]) look like
	 * 	-encoding ENCODING FILENAME
	 * or like
	 * 	FILENAME
	 * or like
	 *	-file FILENAME		(ancient history support only)
	 */

	if ((argc > 3) && (0 == strcmp("-encoding", argv[1]))
		&& ('-' != argv[3][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[3], -1), argv[2]);
	    argc -= 3;
	    argv += 3;
	} else if ((argc > 1) && ('-' != argv[1][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[1], -1), NULL);
	    argc--;
	    argv++;
	} else if ((argc > 2) && (length = strlen(argv[1]))
		&& (length > 1) && (0 == strncmp("-file", argv[1], length))
		&& ('-' != argv[2][0])) {
	    Tcl_SetStartupScript(Tcl_NewStringObj(argv[2], -1), NULL);
	    argc -= 2;
	    argv += 2;
	}
    }

    path = Tcl_GetStartupScript(&encodingName);
    if (NULL == path) {
	Tcl_ExternalToUtfDString(NULL, argv[0], -1, &appName);
    } else {
	int numBytes;
	const char *pathName = Tcl_GetStringFromObj(path, &numBytes);

	Tcl_ExternalToUtfDString(NULL, pathName, numBytes, &appName);
	path = Tcl_NewStringObj(Tcl_DStringValue(&appName), -1);
	Tcl_SetStartupScript(path, encodingName);
    }
    Tcl_SetVar(interp, "argv0", Tcl_DStringValue(&appName), TCL_GLOBAL_ONLY);
    Tcl_DStringFree(&appName);
    argc--;
    argv++;

    Tcl_SetVar2Ex(interp, "argc", NULL, Tcl_NewIntObj(argc), TCL_GLOBAL_ONLY);

    argvPtr = Tcl_NewListObj(0, NULL);
    while (argc--) {
	Tcl_DString ds;

	Tcl_ExternalToUtfDString(NULL, *argv++, -1, &ds);
	Tcl_ListObjAppendElement(NULL, argvPtr, Tcl_NewStringObj(
		Tcl_DStringValue(&ds), Tcl_DStringLength(&ds)));
	Tcl_DStringFree(&ds);
    }
    Tcl_SetVar2Ex(interp, "argv", NULL, argvPtr, TCL_GLOBAL_ONLY);

    /*
     * Set the "tcl_interactive" variable.
     */

#ifdef __WIN32__
    /*
     * For now, under Windows, we assume we are not running as a console mode
     * app, so we need to use the GUI console. In order to enable this, we
     * always claim to be running on a tty. This probably isn't the right way
     * to do it.
     */

    handle = GetStdHandle(STD_INPUT_HANDLE);

    if ((handle == INVALID_HANDLE_VALUE) || (handle == 0)
	     || (GetFileType(handle) == FILE_TYPE_UNKNOWN)) {
	/*
	 * If it's a bad or closed handle, then it's been connected to a wish
	 * console window.
	 */

	tsdPtr->tty = 1;
    } else if (GetFileType(handle) == FILE_TYPE_CHAR) {
	/*
	 * A character file handle is a tty by definition.
	 */

	tsdPtr->tty = 1;
    } else {
	tsdPtr->tty = 0;
    }

#else
    tsdPtr->tty = isatty(0);
#endif
#if defined(MAC_OSX_TK)
    /*
     * On TkAqua, if we don't have a TTY and stdin is a special character file
     * of length 0, (e.g. /dev/null, which is what Finder sets when double
     * clicking Wish) then use the GUI console.
     */
    
    if (!tsdPtr->tty) {
	struct stat st;

	nullStdin = fstat(0, &st) || (S_ISCHR(st.st_mode) && !st.st_blocks);
    }
#endif
    Tcl_SetVar(interp, "tcl_interactive",
	    ((path == NULL) && (tsdPtr->tty || nullStdin)) ? "1" : "0",
	    TCL_GLOBAL_ONLY);

    /*
     * Invoke application-specific initialization.
     */

    if (appInitProc(interp) != TCL_OK) {
	TkpDisplayWarning(Tcl_GetStringResult(interp),
		"Application initialization failed");
    }

    /*
     * Invoke the script specified on the command line, if any. Must fetch it
     * again, as the appInitProc might have reset it.
     */

    path = Tcl_GetStartupScript(&encodingName);
    if (path != NULL) {
	Tcl_ResetResult(interp);
	code = Tcl_FSEvalFileEx(interp, path, encodingName);
	if (code != TCL_OK) {
	    /*
	     * The following statement guarantees that the errorInfo variable
	     * is set properly.
	     */

	    Tcl_AddErrorInfo(interp, "");
	    TkpDisplayWarning(Tcl_GetVar(interp, "errorInfo",
		    TCL_GLOBAL_ONLY), "Error in startup script");
	    Tcl_DeleteInterp(interp);
	    Tcl_Exit(1);
	}
	tsdPtr->tty = 0;
    } else {

	/*
	 * Evaluate the .rc file, if one has been specified.
	 */

	Tcl_SourceRCFile(interp);

	/*
	 * Establish a channel handler for stdin.
	 */

	inChannel = Tcl_GetStdChannel(TCL_STDIN);
	if (inChannel) {
	    Tcl_CreateChannelHandler(inChannel, TCL_READABLE, StdinProc,
		    inChannel);
	}
	if (tsdPtr->tty) {
	    Prompt(interp, 0);
	}
    }

    outChannel = Tcl_GetStdChannel(TCL_STDOUT);
    if (outChannel) {
	Tcl_Flush(outChannel);
    }
    Tcl_DStringInit(&tsdPtr->command);
    Tcl_DStringInit(&tsdPtr->line);
    Tcl_ResetResult(interp);

    /*
     * Loop infinitely, waiting for commands to execute. When there are no
     * windows left, Tk_MainLoop returns and we exit.
     */

    Tk_MainLoop();
    Tcl_DeleteInterp(interp);
    Tcl_Release(interp);
    Tcl_SetStartupScript(NULL, NULL);
    Tcl_Exit(0);
}
Ejemplo n.º 8
0
int
ui_init(int *argc, char **argv)
{
    char buf[MAXCLINE];
    int i;
    Tk_Window tk = 0;
    Tcl_FindExecutable(argv[0]);  
    interp = Tcl_CreateInterp();
#ifdef TCL_MEM_DEBUG
    Tcl_InitMemory(interp);
#endif

    /*
     * Parse command-line arguments.
     */

    if (Tk_ParseArgv(interp, (Tk_Window) NULL, argc, argv, argTable, 0)
	    != TCL_OK) {
	fprintf(stderr, "%s\n", interp->result);
	exit(1);
    }

    /*
     * If a display was specified, put it into the DISPLAY
     * environment variable so that it will be available for
     * any sub-processes created by us.
     */

    if (display != NULL) {
	Tcl_SetVar2(interp, "env", "DISPLAY", display, TCL_GLOBAL_ONLY);
    }

    Tcl_SetVar(interp, "argv0", argv[0], TCL_GLOBAL_ONLY);
    strcpy(buf, "-name sdr");
    for(i=1;i<*argc;i++)
      {
        strncat(buf, " ", MAXCLINE-strlen(buf));
        strncat(buf, argv[i], MAXCLINE-strlen(buf));
      }
    buf[MAXCLINE-1] = '\0';
    Tcl_SetVar(interp, "argv", buf, TCL_GLOBAL_ONLY);

    if (gui==GUI) {
        /* There is no easy way of preventing the Init functions from
	 * loading the library files. Ignore error returns and load
	 * built in versions.
	 */
	if (Tcl_Init(interp) != TCL_OK) {
                fprintf(stderr, "%s\n", Tcl_GetStringResult(interp));
                exit(-1);
        }
        if (Tk_Init(interp) != TCL_OK) {
                fprintf(stderr, "%s\n", Tcl_GetStringResult(interp));
                exit(-1);
        }
        tk = mainWindow = Tk_MainWindow(interp);
	if (tk == 0) {
            fprintf(stderr, "%s\n", Tcl_GetStringResult(interp));
            exit(-1);
	}    
}
#ifdef WIN32
    {
	/*
	 * under windows, there's no useful notion of stdout or stderr
	 * so redefine the 'puts' command to put up a dialog box (otherwise
	 * we'll never see any of the intialization errors).
	 */
	/*extern int WinPutsCmd(ClientData, Tcl_Interp*, int, char **);
	Tcl_CreateCommand(interp, "puts", WinPutsCmd, 0, 0);*/
	extern int Debug(ClientData, Tcl_Interp*, int, char **);
	Tcl_CreateCommand(interp, "Debug", Debug, (ClientData) mainWindow, 0);
    }
#endif

    /*
     * Add a few application-specific commands to the application's
     * interpreter.
     */
    for(i=0;i<MAX_UI_FN;i++)
      Tcl_CreateCommand(interp, (char *)ui_fn_name[i], (Tcl_CmdProc *)ui_fn[i],
                      (ClientData) mainWindow, 0);
    return 1;

}
Ejemplo n.º 9
0
	void Init(CCore* Root) {
		const char * const *argv;

		CModuleImplementation::Init(Root);

		g_Bouncer = Root;

		const char *ConfigFile = g_Bouncer->BuildPathConfig("sbnc.tcl");
		struct stat statbuf;

		if (stat(ConfigFile, &statbuf) < 0) {
			FILE *ConfigFd = fopen(ConfigFile, "wb");

			if (ConfigFd == NULL) {
				g_Bouncer->Log("Could not create 'sbnc.tcl' file.");
				g_Bouncer->Fatal();
			}

			const char *ConfigDistFile = g_Bouncer->BuildPathShared("scripts/sbnc.tcl.dist");

			FILE *ConfigDistFd = fopen(ConfigDistFile, "rb");

			if (ConfigDistFd == NULL) {
				ConfigFile = g_Bouncer->BuildPathConfig("sbnc.tcl");
				unlink(ConfigFile);

				g_Bouncer->Log("Could not open 'sbnc.tcl.dist' file.");
				g_Bouncer->Fatal();
			}

			while (!feof(ConfigDistFd) && !ferror(ConfigDistFd)) {
				size_t Count;
				char Buffer[1024];

				Count = fread(Buffer, 1, sizeof(Buffer), ConfigDistFd);

				if (fwrite(Buffer, 1, Count, ConfigFd) < Count) {
					g_Bouncer->Log("Could not write to 'sbnc.tcl' file.");
					g_Bouncer->Fatal();
				}
			}

			fclose(ConfigDistFd);
			fclose(ConfigFd);
		}

		const char *ScriptsDir = g_Bouncer->BuildPathConfig("scripts");

		if (mkdir(ScriptsDir) < 0 && errno != EEXIST) {
			g_Bouncer->Log("Could not create 'scripts' directory.");
			g_Bouncer->Fatal();
		}

		g_TclListeners = new CHashtable<CTclSocket*, false>();
		g_TclClientSockets = new CHashtable<CTclClientSocket*, false>();

		argv = GetCore()->GetArgV();

		Tcl_FindExecutable(argv[0]);

		Tcl_SetSystemEncoding(NULL, "ISO8859-1");

		g_Encoding = Tcl_GetEncoding(g_Interp, "ISO8859-1");

		g_Interp = Tcl_CreateInterp();

		Tcl_InitMemory(g_Interp);

		Tcl_SetVar(g_Interp, "tcl_interactive", "0", TCL_GLOBAL_ONLY);

		Tcl_AppInit(g_Interp);

		Tcl_Preserve(g_Interp);

		Tcl_Eval(g_Interp,
"rename source tcl_source\n"
"\n"
"# TODO: add support for -rsrc and -rsrcid\n"
"proc source {args} {\n"
"	set file [lindex $args end]\n"
"\n"
"	set has_shared_file [file isfile [file join [bncshareddir] $file]]\n"
"	set has_user_file [file isfile [file join [bncconfigdir] $file]]\n"
"\n"
"	if {!$has_user_file && $has_shared_file} {\n"
"		set file [file join [bncshareddir] $file]\n"
"	}\n"
"\n"
"	uplevel 1 tcl_source [lreplace $args end end $file]\n"
"}");

		Tcl_EvalFile(g_Interp, "./sbnc.tcl");
	}