Tcl Source Code

2013-06-27  Jan Nijtmans  <[email protected]>

	* generic/tclConfig.c: Bug [9b2e636361]: Tcl_CreateInterp() needs initialized
	* generic/tclMain.c:   encodings.

2013-06-18  Jan Nijtmans  <[email protected]>

	* generic/tclEvent.c: Bug [3611974]: InitSubsystems multiple thread issue.

2013-06-17  Jan Nijtmans  <[email protected]>

	* generic/regc_locale.c: Bug [a876646efe]: re_expr character class

}
declare 228 {
    void Tcl_SetErrorCode(Tcl_Interp *interp, ...)
}
declare 229 {
    void Tcl_SetMaxBlockTime(const Tcl_Time *timePtr)
}
# Removed (from stubtable only) in 9.0:
#declare 230 {
#    void Tcl_SetPanicProc(Tcl_PanicProc *panicProc)

#}
declare 231 {
    int Tcl_SetRecursionLimit(Tcl_Interp *interp, int depth)
}
declare 232 {
    void Tcl_SetResult(Tcl_Interp *interp, char *result,
	    Tcl_FreeProc *freeProc)
}

/*
 * Public functions that are not accessible via the stubs table.
 * Tcl_GetMemoryInfo is needed for AOLserver. [Bug 1868171]
 */

#define Tcl_Main(argc, argv, proc) Tcl_MainEx(argc, argv, proc, \
	    ((Tcl_CreateInterp)()))
TCLAPI void		Tcl_FindExecutable(const char *argv0);
TCLAPI void		Tcl_SetPanicProc(Tcl_PanicProc *panicProc);
TCLAPI void		Tcl_MainEx(int argc, char **argv,
			    Tcl_AppInitProc *appInitProc, Tcl_Interp *interp);
TCLAPI const char *	Tcl_PkgInitStubsCheck(Tcl_Interp *interp,
			    const char *version, int exact);
#if defined(TCL_THREADS) && defined(USE_THREAD_ALLOC)
TCLAPI void		Tcl_GetMemoryInfo(Tcl_DString *dsPtr);
#endif

		TclEmitPush(TclAddLiteralObj(envPtr, literal, NULL), envPtr);
	    }
	    (*litObjvPtr)++;
	    break;
	}
	case OT_TOKENS:
	    CompileTokens(envPtr, tokenPtr, interp);

	    tokenPtr += tokenPtr->numComponents + 1;
	    break;
	default:
	    if (optimize && nodes[next].constant) {
		Tcl_InterpState save = Tcl_SaveInterpState(interp, TCL_OK);

		if (ExecConstantExprTree(interp, nodes, next, litObjvPtr)

		envPtr->clNext = eclPtr->loc[wlineat].next[wordIdx];

		if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
		    /*
		     * The word is not a simple string of characters.
		     */

		    CompileTokens(envPtr, tokenPtr, interp);

		    if (expand && tokenPtr->type == TCL_TOKEN_EXPAND_WORD) {
			TclEmitInstInt4(INST_EXPAND_STKTOP,
				envPtr->currStackDepth, envPtr);
		    }
		    continue;
		}

		TclEmitPush(objIndex, envPtr);
	    } /* for loop */

	    /*
	     * Emit an invoke instruction for the command. We skip this if a
	     * compile procedure was found for the command.
	     */
	    assert(wordIdx > 0);

	    if (expand) {
		/*
		 * The stack depth during argument expansion can only be
		 * managed at runtime, as the number of elements in the
		 * expanded lists is not known at compile time. We adjust here
		 * the stack depth estimate so that it is correct after the

		 * is being prepared and run, INST_EXPAND_STKTOP is not
		 * stack-neutral in general.
		 */

		TclEmitOpcode(INST_INVOKE_EXPANDED, envPtr);
		envPtr->expandCount--;
		TclAdjustStackDepth(1 - wordIdx, envPtr);
	    } else {
		/*
		 * Save PC -> command map for the TclArgumentBC* functions.
		 */

		int isnew;
		Tcl_HashEntry *hePtr = Tcl_CreateHashEntry(&eclPtr->litInfo,
			INT2PTR(envPtr->codeNext - envPtr->codeStart),

    /*
     * Emit code to call the expr command proc at runtime. Concatenate the
     * (already substituted once) expr tokens with a space between each.
     */

    wordPtr = tokenPtr;
    for (i = 0;  i < numWords;  i++) {
	CompileTokens(envPtr, wordPtr, interp);
	if (i < (numWords - 1)) {
	    PushStringLiteral(envPtr, " ");
	}
	wordPtr += wordPtr->numComponents + 1;
    }
    concatItems = 2*numWords - 1;
    while (concatItems > 255) {

    int i;

    tokenPtr = parsePtr->tokenPtr;
    for (i = 1; i < parsePtr->numWords; i++) {
	tokenPtr = tokenPtr + tokenPtr->numComponents + 1;

	if (tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) {
	    CompileTokens(envPtr, tokenPtr, interp);

	    TclEmitOpcode(INST_POP, envPtr);
	}
    }
    PushStringLiteral(envPtr, "");
    return TCL_OK;
}


 * values are in UTF-8, converted from the external representation given to us
 * by the caller.
 */

#define ASSOC_KEY	"tclPackageAboutDict"

/*
 * A ClientData struct for the QueryConfig command.  Store the three bits
 * of data we need; the package name for which we store a config dict,
 * the (Tcl_Interp *) in which it is stored, and the encoding.
 */

typedef struct {
    Tcl_Obj *pkg;
    Tcl_Interp *interp;
    char *encoding;
} QCCD;

/*
 * Static functions in this file:
 */

static int		QueryConfigObjCmd(ClientData clientData,

    const char *pkgName,	/* Name of the package registering the
				 * embedded configuration. ASCII, thus in
				 * UTF-8 too. */
    const Tcl_Config *configuration,	/* Embedded configuration. */
    const char *valEncoding)	/* Name of the encoding used to store the
				 * configuration values, ASCII, thus UTF-8. */
{
    Tcl_Obj *pDB, *pkgDict;
    Tcl_DString cmdName;
    const Tcl_Config *cfg;

    QCCD *cdPtr = ckalloc(sizeof(QCCD));

    cdPtr->interp = interp;
    if (valEncoding) {
	cdPtr->encoding = ckalloc(strlen(valEncoding)+1);
	strcpy(cdPtr->encoding, valEncoding);
    } else {
	cdPtr->encoding = NULL;
    }
    cdPtr->pkg = Tcl_NewStringObj(pkgName, -1);

    /*
     * Phase I: Adding the provided information to the internal database of
     * package meta data.
     *
     * Phase II: Create a command for querying this database, specific to the
     * package registering its configuration. This is the approved interface
     * in TIP 59. In the future a more general interface should be done, as
     * follow-up to TIP 59. Simply because our database is now general across
     * packages, and not a structure tied to one package.
     *
     * Note, the created command will have a reference through its clientdata.
     */

    Tcl_IncrRefCount(cdPtr->pkg);

    /*
     * For venc == NULL aka bogus encoding we skip the step setting up the
     * dictionaries visible at Tcl level. I.e. they are not filled
     */


    pDB = GetConfigDict(interp);

    /*
     * Retrieve package specific configuration...
     */

    if (Tcl_DictObjGet(interp, pDB, cdPtr->pkg, &pkgDict) != TCL_OK
	    || (pkgDict == NULL)) {
	pkgDict = Tcl_NewDictObj();
    } else if (Tcl_IsShared(pkgDict)) {
	pkgDict = Tcl_DuplicateObj(pkgDict);
    }

    /*
     * Extend the package configuration...
     * We cannot assume that the encodings are initialized, therefore
     * store the value as-is in a byte array. See Bug [9b2e636361].
     */

    for (cfg=configuration ; cfg->key!=NULL && cfg->key[0]!='\0' ; cfg++) {









	Tcl_DictObjPut(interp, pkgDict, Tcl_NewStringObj(cfg->key, -1),



		Tcl_NewByteArrayObj((unsigned char *)cfg->value, strlen(cfg->value)));



    }


    /*
     * Write the changes back into the overall database.
     */

    Tcl_DictObjPut(interp, pDB, cdPtr->pkg, pkgDict);


    /*
     * Now create the interface command for retrieval of the package
     * information.
     */

    Tcl_DStringInit(&cmdName);

    int n, index;
    static const char *const subcmdStrings[] = {
	"get", "list", NULL
    };
    enum subcmds {
	CFG_GET, CFG_LIST
    };
    Tcl_DString conv;
    Tcl_Encoding venc = NULL;
    CONST char *value;

    if ((objc < 2) || (objc > 3)) {
	Tcl_WrongNumArgs(interp, 1, objv, "subcommand ?arg?");
	return TCL_ERROR;
    }
    if (Tcl_GetIndexFromObjStruct(interp, objv[1], subcmdStrings,
	    sizeof(char *), "subcommand", 0, &index) != TCL_OK) {

		|| val == NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj("key not known", -1));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "CONFIG",
		    Tcl_GetString(objv[2]), NULL);
	    return TCL_ERROR;
	}

	if (cdPtr->encoding) {
	    venc = Tcl_GetEncoding(interp, cdPtr->encoding);
	    if (!venc) {
		return TCL_ERROR;
	    }
	}
	/*
	 * Value is stored as-is in a byte array, see Bug [9b2e636361],
	 * so we have to decode it first.
	 */
	value = (const char *) Tcl_GetByteArrayFromObj(val, &n);
	value = Tcl_ExternalToUtfDString(venc, value, n, &conv);
	Tcl_SetObjResult(interp, Tcl_NewStringObj(value,
		Tcl_DStringLength(&conv)));
	Tcl_DStringFree(&conv);
	return TCL_OK;

    case CFG_LIST:
	if (objc != 2) {
	    Tcl_WrongNumArgs(interp, 2, objv, NULL);
	    return TCL_ERROR;
	}

{
    QCCD *cdPtr = clientData;
    Tcl_Obj *pkgName = cdPtr->pkg;
    Tcl_Obj *pDB = GetConfigDict(cdPtr->interp);

    Tcl_DictObjRemove(NULL, pDB, pkgName);
    Tcl_DecrRefCount(pkgName);
    if (cdPtr->encoding) {
	ckfree((char *)cdPtr->encoding);
    }
    ckfree((char *)cdPtr);
}

/*
 *-------------------------------------------------------------------------
 *
 * GetConfigDict --
 *

/*
 *----------------------------------------------------------------------
 *
 * ConfigDictDeleteProc --
 *
 *	This function is associated with the "Package About dict" assoc data
 *	for an interpreter; it is invoked when the interpreter is deleted in
 *	order to free the information associated with any pending error
 *	reports.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The package metadata database is freed.

				const Tcl_CmdInfo *infoPtr);
/* 227 */
TCLAPI void		Tcl_SetErrno(int err);
/* 228 */
TCLAPI void		Tcl_SetErrorCode(Tcl_Interp *interp, ...);
/* 229 */
TCLAPI void		Tcl_SetMaxBlockTime(const Tcl_Time *timePtr);
/* Slot 230 is reserved */

/* 231 */
TCLAPI int		Tcl_SetRecursionLimit(Tcl_Interp *interp, int depth);
/* 232 */
TCLAPI void		Tcl_SetResult(Tcl_Interp *interp, char *result,
				Tcl_FreeProc *freeProc);
/* 233 */
TCLAPI int		Tcl_SetServiceMode(int mode);

    void (*tcl_SetAssocData) (Tcl_Interp *interp, const char *name, Tcl_InterpDeleteProc *proc, ClientData clientData); /* 223 */
    void (*tcl_SetChannelBufferSize) (Tcl_Channel chan, int sz); /* 224 */
    int (*tcl_SetChannelOption) (Tcl_Interp *interp, Tcl_Channel chan, const char *optionName, const char *newValue); /* 225 */
    int (*tcl_SetCommandInfo) (Tcl_Interp *interp, const char *cmdName, const Tcl_CmdInfo *infoPtr); /* 226 */
    void (*tcl_SetErrno) (int err); /* 227 */
    void (*tcl_SetErrorCode) (Tcl_Interp *interp, ...); /* 228 */
    void (*tcl_SetMaxBlockTime) (const Tcl_Time *timePtr); /* 229 */
    void (*reserved230)(void);
    int (*tcl_SetRecursionLimit) (Tcl_Interp *interp, int depth); /* 231 */
    void (*tcl_SetResult) (Tcl_Interp *interp, char *result, Tcl_FreeProc *freeProc); /* 232 */
    int (*tcl_SetServiceMode) (int mode); /* 233 */
    void (*tcl_SetObjErrorCode) (Tcl_Interp *interp, Tcl_Obj *errorObjPtr); /* 234 */
    void (*tcl_SetObjResult) (Tcl_Interp *interp, Tcl_Obj *resultObjPtr); /* 235 */
    void (*tcl_SetStdChannel) (Tcl_Channel channel, int type); /* 236 */
    void (*reserved237)(void);

	(tclStubsPtr->tcl_SetCommandInfo) /* 226 */
#define Tcl_SetErrno \
	(tclStubsPtr->tcl_SetErrno) /* 227 */
#define Tcl_SetErrorCode \
	(tclStubsPtr->tcl_SetErrorCode) /* 228 */
#define Tcl_SetMaxBlockTime \
	(tclStubsPtr->tcl_SetMaxBlockTime) /* 229 */

/* Slot 230 is reserved */
#define Tcl_SetRecursionLimit \
	(tclStubsPtr->tcl_SetRecursionLimit) /* 231 */
#define Tcl_SetResult \
	(tclStubsPtr->tcl_SetResult) /* 232 */
#define Tcl_SetServiceMode \
	(tclStubsPtr->tcl_SetServiceMode) /* 233 */
#define Tcl_SetObjErrorCode \

/* !END!: Do not edit above this line. */

#if defined(USE_TCL_STUBS)
#   undef Tcl_CreateInterp
#   undef Tcl_FindExecutable
#   undef Tcl_GetStringResult
#   undef Tcl_Init

#   undef Tcl_ObjSetVar2
#   undef Tcl_StaticPackage
#   undef TclFSGetNativePath
#   define Tcl_CreateInterp() (tclStubsPtr->tcl_CreateInterp())
#   define Tcl_GetStringResult(interp) (tclStubsPtr->tcl_GetStringResult(interp))
#   define Tcl_Init(interp) (tclStubsPtr->tcl_Init(interp))

#   define Tcl_ObjSetVar2(interp, part1, part2, newValue, flags) \
	    (tclStubsPtr->tcl_ObjSetVar2(interp, part1, part2, newValue, flags))
#endif

#if defined(_WIN32) && defined(UNICODE)
#   define Tcl_FindExecutable(arg) ((Tcl_FindExecutable)((const char *)(arg)))
#   define Tcl_MainEx Tcl_MainExW

     * We must be sure the encoding finalization doesn't need to examine the
     * filesystem in any way. Since it only needs to clean up internal data
     * structures, this is fine.
     */

    TclFinalizeEncodingSubsystem();



    /*
     * Repeat finalization of the thread local storage once more. Although
     * this step is already done by the Tcl_FinalizeThread call above, series
     * of events happening afterwards may re-initialize TSD slots. Those need
     * to be finalized again, otherwise we're leaking memory chunks. Very
     * important to note is that things happening afterwards should not
     * reference anything which may re-initialize TSD's. This includes freeing

	 * Make sure there is enough room in the stack to expand this list
	 * *and* process the rest of the command (at least up to the next
	 * argument expansion or command end). The operand is the current
	 * stack depth, as seen by the compiler.
	 */

	auxObjList->length += objc - 1;
	if ((objc > 1) && (auxObjList->length > 0)) {
	    length = auxObjList->length /* Total expansion room we need */
		    + codePtr->maxStackDepth /* Beyond the original max */
		    - CURR_DEPTH;	/* Relative to where we are */
	    DECACHE_STACK_INFO();
	    moved = GrowEvaluationStack(iPtr->execEnvPtr, length, 1)
		    - (Tcl_Obj **) TD;
	    if (moved) {

    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();

    /*

    LocateTargetAddresses(envPtr, &targets);
    for (currentInstPtr = envPtr->codeStart ;
	    currentInstPtr < envPtr->codeNext ; currentInstPtr += size) {
	int blank = 0, i, nextInst;

	size = AddrLength(currentInstPtr);
	while ((currentInstPtr + size < envPtr->codeNext)
		&& *(currentInstPtr+size) == INST_NOP) {
	    if (IsTargetAddress(&targets, currentInstPtr + size)) {
		break;
	    }
	    size += InstLength(INST_NOP);
	}
	if (IsTargetAddress(&targets, currentInstPtr + size)) {
	    continue;

void
Tcl_SetPanicProc(
    Tcl_PanicProc *proc)
{
#if defined(_WIN32)
    /* tclWinDebugPanic only installs if there is no panicProc yet. */
    if ((proc != tclWinDebugPanic) || (panicProc == NULL))
#elif defined(__CYGWIN__)
    if (proc == NULL)
	panicProc = tclWinDebugPanic;
    else
#endif
    panicProc = proc;
}

/*
 *----------------------------------------------------------------------
 *

    Tcl_SetAssocData, /* 223 */
    Tcl_SetChannelBufferSize, /* 224 */
    Tcl_SetChannelOption, /* 225 */
    Tcl_SetCommandInfo, /* 226 */
    Tcl_SetErrno, /* 227 */
    Tcl_SetErrorCode, /* 228 */
    Tcl_SetMaxBlockTime, /* 229 */
    0, /* 230 */
    Tcl_SetRecursionLimit, /* 231 */
    Tcl_SetResult, /* 232 */
    Tcl_SetServiceMode, /* 233 */
    Tcl_SetObjErrorCode, /* 234 */
    Tcl_SetObjResult, /* 235 */
    Tcl_SetStdChannel, /* 236 */
    0, /* 237 */