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Overview
Comment:Merge trunk through 2019-01-24
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Timelines: family | ancestors | descendants | both | dgp-refactor
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SHA3-256:2b8ce74f702775944d9c39187264532bf1c1de3357a1631e0ed895107edc611c
User & Date: dgp 2019-02-13 18:14:26
Context
2019-02-13
20:14
Merge trunk through 2019-01-25 check-in: 495691b47d user: dgp tags: dgp-refactor
18:14
Merge trunk through 2019-01-24 check-in: 2b8ce74f70 user: dgp tags: dgp-refactor
2019-02-07
20:31
Merge trunk through 2019-01-18. check-in: b31474d208 user: dgp tags: dgp-refactor
2019-01-24
20:50
Fix handling of 'a'/'A' in previous commit: Sinze TclGetByteArrayFromObj is a macro evaluating its a... check-in: 3b04e31a96 user: jan.nijtmans tags: trunk
Changes
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Changes to generic/tclBasic.c.

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    if (type == TCL_NUMBER_INT) {
	Tcl_WideInt l = *((const Tcl_WideInt *) ptr);

	if (l > (Tcl_WideInt)0) {
	    goto unChanged;
	} else if (l == (Tcl_WideInt)0) {
	    if (TclHasStringRep(objv[1])) {
		int numBytes;
		const char *bytes = TclGetStringFromObj(objv[1], &numBytes);

		while (numBytes) {
		    if (*bytes == '-') {
			Tcl_SetObjResult(interp, Tcl_NewWideIntObj(0));
			return TCL_OK;
		    }







|







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    if (type == TCL_NUMBER_INT) {
	Tcl_WideInt l = *((const Tcl_WideInt *) ptr);

	if (l > (Tcl_WideInt)0) {
	    goto unChanged;
	} else if (l == (Tcl_WideInt)0) {
	    if (TclHasStringRep(objv[1])) {
		size_t numBytes;
		const char *bytes = TclGetStringFromObj(objv[1], &numBytes);

		while (numBytes) {
		    if (*bytes == '-') {
			Tcl_SetObjResult(interp, Tcl_NewWideIntObj(0));
			return TCL_OK;
		    }

Changes to generic/tclBinary.c.

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	     * of bytes in a single argument.
	     */

	    if (arg >= objc) {
		goto badIndex;
	    }
	    if (count == BINARY_ALL) {
		Tcl_GetByteArrayFromObj(objv[arg], &count);
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    arg++;
	    if (cmd == 'a' || cmd == 'A') {
		offset += count;
	    } else if (cmd == 'b' || cmd == 'B') {
................................................................................
	}
	switch (cmd) {
	case 'a':
	case 'A': {
	    char pad = (char) (cmd == 'a' ? '\0' : ' ');
	    unsigned char *bytes;

	    bytes = Tcl_GetByteArrayFromObj(objv[arg++], &length);

	    if (count == BINARY_ALL) {
		count = length;
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    if (length >= count) {
		memcpy(cursor, bytes, (size_t) count);
................................................................................
    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"value formatString ?varName ...?");
	return TCL_ERROR;
    }
    numberCachePtr = &numberCacheHash;
    Tcl_InitHashTable(numberCachePtr, TCL_ONE_WORD_KEYS);
    buffer = Tcl_GetByteArrayFromObj(objv[1], &length);
    format = TclGetString(objv[2]);
    arg = 3;
    offset = 0;
    while (*format != '\0') {
	str = format;
	flags = 0;
	if (!GetFormatSpec(&format, &cmd, &count, &flags)) {
................................................................................

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "data");
	return TCL_ERROR;
    }

    TclNewObj(resultObj);
    data = Tcl_GetByteArrayFromObj(objv[1], &count);
    cursor = Tcl_SetByteArrayLength(resultObj, count * 2);
    for (offset = 0; offset < count; ++offset) {
	*cursor++ = HexDigits[((data[offset] >> 4) & 0x0f)];
	*cursor++ = HexDigits[(data[offset] & 0x0f)];
    }
    Tcl_SetObjResult(interp, resultObj);
    return TCL_OK;
................................................................................
		maxlen = 0;
	    }
	    break;
	}
    }

    resultObj = Tcl_NewObj();
    data = Tcl_GetByteArrayFromObj(objv[objc-1], &count);
    if (count > 0) {
	size = (((count * 4) / 3) + 3) & ~3; /* ensure 4 byte chunks */
	if (maxlen > 0 && size > maxlen) {
	    int adjusted = size + (wrapcharlen * (size / maxlen));

	    if (size % maxlen == 0) {
		adjusted -= wrapcharlen;
................................................................................
			"line length out of range", -1));
		Tcl_SetErrorCode(interp, "TCL", "BINARY", "ENCODE",
			"LINE_LENGTH", NULL);
		return TCL_ERROR;
	    }
	    break;
	case OPT_WRAPCHAR:
	    wrapchar = Tcl_GetByteArrayFromObj(objv[i+1], &wrapcharlen);
	    break;
	}
    }

    /*
     * Allocate the buffer. This is a little bit too long, but is "good
     * enough".
     */

    resultObj = Tcl_NewObj();
    offset = 0;
    data = Tcl_GetByteArrayFromObj(objv[objc-1], &count);
    rawLength = (lineLength - 1) * 3 / 4;
    start = cursor = Tcl_SetByteArrayLength(resultObj,
	    (lineLength + wrapcharlen) *
	    ((count + (rawLength - 1)) / rawLength));
    n = bits = 0;

    /*







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	     * of bytes in a single argument.
	     */

	    if (arg >= objc) {
		goto badIndex;
	    }
	    if (count == BINARY_ALL) {
		TclGetByteArrayFromObj(objv[arg], &count);
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    arg++;
	    if (cmd == 'a' || cmd == 'A') {
		offset += count;
	    } else if (cmd == 'b' || cmd == 'B') {
................................................................................
	}
	switch (cmd) {
	case 'a':
	case 'A': {
	    char pad = (char) (cmd == 'a' ? '\0' : ' ');
	    unsigned char *bytes;

	    bytes = TclGetByteArrayFromObj(objv[arg], &length);
	    arg++;
	    if (count == BINARY_ALL) {
		count = length;
	    } else if (count == BINARY_NOCOUNT) {
		count = 1;
	    }
	    if (length >= count) {
		memcpy(cursor, bytes, (size_t) count);
................................................................................
    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv,
		"value formatString ?varName ...?");
	return TCL_ERROR;
    }
    numberCachePtr = &numberCacheHash;
    Tcl_InitHashTable(numberCachePtr, TCL_ONE_WORD_KEYS);
    buffer = TclGetByteArrayFromObj(objv[1], &length);
    format = TclGetString(objv[2]);
    arg = 3;
    offset = 0;
    while (*format != '\0') {
	str = format;
	flags = 0;
	if (!GetFormatSpec(&format, &cmd, &count, &flags)) {
................................................................................

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "data");
	return TCL_ERROR;
    }

    TclNewObj(resultObj);
    data = TclGetByteArrayFromObj(objv[1], &count);
    cursor = Tcl_SetByteArrayLength(resultObj, count * 2);
    for (offset = 0; offset < count; ++offset) {
	*cursor++ = HexDigits[((data[offset] >> 4) & 0x0f)];
	*cursor++ = HexDigits[(data[offset] & 0x0f)];
    }
    Tcl_SetObjResult(interp, resultObj);
    return TCL_OK;
................................................................................
		maxlen = 0;
	    }
	    break;
	}
    }

    resultObj = Tcl_NewObj();
    data = TclGetByteArrayFromObj(objv[objc-1], &count);
    if (count > 0) {
	size = (((count * 4) / 3) + 3) & ~3; /* ensure 4 byte chunks */
	if (maxlen > 0 && size > maxlen) {
	    int adjusted = size + (wrapcharlen * (size / maxlen));

	    if (size % maxlen == 0) {
		adjusted -= wrapcharlen;
................................................................................
			"line length out of range", -1));
		Tcl_SetErrorCode(interp, "TCL", "BINARY", "ENCODE",
			"LINE_LENGTH", NULL);
		return TCL_ERROR;
	    }
	    break;
	case OPT_WRAPCHAR:
	    wrapchar = TclGetByteArrayFromObj(objv[i+1], &wrapcharlen);
	    break;
	}
    }

    /*
     * Allocate the buffer. This is a little bit too long, but is "good
     * enough".
     */

    resultObj = Tcl_NewObj();
    offset = 0;
    data = TclGetByteArrayFromObj(objv[objc-1], &count);
    rawLength = (lineLength - 1) * 3 / 4;
    start = cursor = Tcl_SetByteArrayLength(resultObj,
	    (lineLength + wrapcharlen) *
	    ((count + (rawLength - 1)) / rawLength));
    n = bits = 0;

    /*

Changes to generic/tclCmdIL.c.

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    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    register Interp *iPtr = (Interp *) interp;
    const char *name, *bytes;
    Proc *procPtr;
    int numBytes;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "procname");
	return TCL_ERROR;
    }

    name = TclGetString(objv[1]);
................................................................................
     * bytecompiled - in that case, the return was a copy of the body's string
     * rep. In order to better isolate the implementation details of the
     * compiler/engine subsystem, we now always return a copy of the string
     * rep. It is important to return a copy so that later manipulations of
     * the object do not invalidate the internal rep.
     */

    bytes = Tcl_GetStringFromObj(procPtr->bodyPtr, &numBytes);
    Tcl_SetObjResult(interp, Tcl_NewStringObj(bytes, numBytes));
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *







|







 







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    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    register Interp *iPtr = (Interp *) interp;
    const char *name, *bytes;
    Proc *procPtr;
    size_t numBytes;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "procname");
	return TCL_ERROR;
    }

    name = TclGetString(objv[1]);
................................................................................
     * bytecompiled - in that case, the return was a copy of the body's string
     * rep. In order to better isolate the implementation details of the
     * compiler/engine subsystem, we now always return a copy of the string
     * rep. It is important to return a copy so that later manipulations of
     * the object do not invalidate the internal rep.
     */

    bytes = TclGetStringFromObj(procPtr->bodyPtr, &numBytes);
    Tcl_SetObjResult(interp, Tcl_NewStringObj(bytes, numBytes));
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *

Changes to generic/tclCompExpr.c.

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		    /*
		     * Don't generate a string rep, but if we have one
		     * already, then use it to share via the literal table.
		     */

		    if (TclHasStringRep(objPtr)) {
			Tcl_Obj *tableValue;
			int numBytes;
			const char *bytes
				= Tcl_GetStringFromObj(objPtr, &numBytes);

			index = TclRegisterLiteral(envPtr, bytes, numBytes, 0);
			tableValue = TclFetchLiteral(envPtr, index);
			if ((tableValue->typePtr == NULL) &&
				(objPtr->typePtr != NULL)) {
			    /*
			     * Same intrep surgery as for OT_LITERAL.







|

|







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		    /*
		     * Don't generate a string rep, but if we have one
		     * already, then use it to share via the literal table.
		     */

		    if (TclHasStringRep(objPtr)) {
			Tcl_Obj *tableValue;
			size_t numBytes;
			const char *bytes
				= TclGetStringFromObj(objPtr, &numBytes);

			index = TclRegisterLiteral(envPtr, bytes, numBytes, 0);
			tableValue = TclFetchLiteral(envPtr, index);
			if ((tableValue->typePtr == NULL) &&
				(objPtr->typePtr != NULL)) {
			    /*
			     * Same intrep surgery as for OT_LITERAL.

Changes to generic/tclConfig.c.

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		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:







|







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		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 *) TclGetByteArrayFromObj(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:

Changes to generic/tclFileName.c.

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	globTypes = TclStackAlloc(interp, sizeof(Tcl_GlobTypeData));
	globTypes->type = 0;
	globTypes->perm = 0;
	globTypes->macType = NULL;
	globTypes->macCreator = NULL;

	while (--length >= 0) {
	    int len;
	    const char *str;

	    Tcl_ListObjIndex(interp, typePtr, length, &look);
	    str = TclGetStringFromObj(look, &len);
	    if (strcmp("readonly", str) == 0) {
		globTypes->perm |= TCL_GLOB_PERM_RONLY;
	    } else if (strcmp("hidden", str) == 0) {
................................................................................
		    goto badMacTypesArg;
		}
		globTypes->macType = look;
		Tcl_IncrRefCount(look);

	    } else {
		Tcl_Obj *item;


		if ((Tcl_ListObjLength(NULL, look, &len) == TCL_OK)
			&& (len == 3)) {
		    Tcl_ListObjIndex(interp, look, 0, &item);
		    if (!strcmp("macintosh", Tcl_GetString(item))) {
			Tcl_ListObjIndex(interp, look, 1, &item);
			if (!strcmp("type", Tcl_GetString(item))) {
			    Tcl_ListObjIndex(interp, look, 2, &item);
			    if (globTypes->macType != NULL) {
				goto badMacTypesArg;







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>

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	globTypes = TclStackAlloc(interp, sizeof(Tcl_GlobTypeData));
	globTypes->type = 0;
	globTypes->perm = 0;
	globTypes->macType = NULL;
	globTypes->macCreator = NULL;

	while (--length >= 0) {
	    size_t len;
	    const char *str;

	    Tcl_ListObjIndex(interp, typePtr, length, &look);
	    str = TclGetStringFromObj(look, &len);
	    if (strcmp("readonly", str) == 0) {
		globTypes->perm |= TCL_GLOB_PERM_RONLY;
	    } else if (strcmp("hidden", str) == 0) {
................................................................................
		    goto badMacTypesArg;
		}
		globTypes->macType = look;
		Tcl_IncrRefCount(look);

	    } else {
		Tcl_Obj *item;
		int llen;

		if ((Tcl_ListObjLength(NULL, look, &llen) == TCL_OK)
			&& (llen == 3)) {
		    Tcl_ListObjIndex(interp, look, 0, &item);
		    if (!strcmp("macintosh", Tcl_GetString(item))) {
			Tcl_ListObjIndex(interp, look, 1, &item);
			if (!strcmp("type", Tcl_GetString(item))) {
			    Tcl_ListObjIndex(interp, look, 2, &item);
			    if (globTypes->macType != NULL) {
				goto badMacTypesArg;

Changes to generic/tclIO.c.

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		 * Decrement the refcount which was earlier artificially
		 * bumped up to keep the channel from being closed.
		 */

		statePtr->refCount--;
	    }

	    if (statePtr->refCount <= 0) {
		/*
		 * Close it only if the refcount indicates that the channel is
		 * not referenced from any interpreter. If it is, that
		 * interpreter will close the channel when it gets destroyed.
		 */

		(void) Tcl_Close(NULL, (Tcl_Channel) chanPtr);
................................................................................
{
    ChannelState *statePtr = ((Channel *) chan)->state;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    if (tsdPtr->stdinInitialized == 1
	    && tsdPtr->stdinChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdinChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stdinChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stdoutInitialized == 1
	    && tsdPtr->stdoutChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdoutChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stdoutChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stderrInitialized == 1
	    && tsdPtr->stderrChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stderrChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stderrChannel = NULL;
	    return;
	}
    }
}
 
................................................................................

    CheckForStdChannelsBeingClosed(chan);

    /*
     * If the refCount reached zero, close the actual channel.
     */

    if (statePtr->refCount <= 0) {
	Tcl_Preserve(statePtr);
	if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
	    /*
	     * We don't want to re-enter Tcl_Close().
	     */

	    if (!GotFlag(statePtr, CHANNEL_CLOSED)) {
................................................................................
    }
}

static void
ChannelFree(
    Channel *chanPtr)
{
    if (chanPtr->refCount == 0) {
	Tcl_Free(chanPtr);
	return;
    }
    chanPtr->typePtr = NULL;
}
 
/*
................................................................................
	}
    } else {
	/*
	 * This channel does not cover another one. Simply do a close, if
	 * necessary.
	 */

	if (statePtr->refCount <= 0) {
	    if (Tcl_Close(interp, chan) != TCL_OK) {
		/*
		 * TIP #219, Tcl Channel Reflection API.
		 * "TclChanCaughtErrorBypass" is not required here, it was
		 * done already by "Tcl_Close".
		 */

................................................................................
    return bufPtr;
}

static void
PreserveChannelBuffer(
    ChannelBuffer *bufPtr)
{
    if (bufPtr->refCount == 0) {
	Tcl_Panic("Reuse of ChannelBuffer! %p", bufPtr);
    }
    bufPtr->refCount++;
}

static void
ReleaseChannelBuffer(
................................................................................
    Tcl_Free(bufPtr);
}

static int
IsShared(
    ChannelBuffer *bufPtr)
{
    return bufPtr->refCount > 1;
}
 
/*
 *----------------------------------------------------------------------
 *
 * RecycleBuffer --
 *
................................................................................

    /*
     * If the channel is flagged as closed, delete it when the refCount drops
     * to zero, the output queue is empty and there is no output in the
     * current output buffer.
     */

    if (GotFlag(statePtr, CHANNEL_CLOSED) && (statePtr->refCount <= 0) &&
	    (statePtr->outQueueHead == NULL) &&
	    ((statePtr->curOutPtr == NULL) ||
	    IsBufferEmpty(statePtr->curOutPtr))) {
	errorCode = CloseChannel(interp, chanPtr, errorCode);
	goto done;
    }

................................................................................
     * This operation should occur at the top of a channel stack.
     */

    chanPtr = (Channel *) chan;
    statePtr = chanPtr->state;
    chanPtr = statePtr->topChanPtr;

    if (statePtr->refCount > 0) {
	Tcl_Panic("called Tcl_Close on channel with refCount > 0");
    }

    if (GotFlag(statePtr, CHANNEL_INCLOSE)) {
	if (interp) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
                    "illegal recursive call to close through close-handler"
................................................................................

    int factor = *factorPtr;
    int dstLimit = TCL_UTF_MAX - 1 + toRead * factor / UTF_EXPANSION_FACTOR;

    (void) TclGetStringFromObj(objPtr, &numBytes);
    Tcl_AppendToObj(objPtr, NULL, dstLimit);
    if (toRead == srcLen) {
	unsigned int size;

	dst = TclGetStringStorage(objPtr, &size) + numBytes;
	dstLimit = size - numBytes;
    } else {
	dst = TclGetString(objPtr) + numBytes;
    }

................................................................................
int
Tcl_IsChannelShared(
    Tcl_Channel chan)		/* The channel to query */
{
    ChannelState *statePtr = ((Channel *) chan)->state;
				/* State of real channel structure. */

    return ((statePtr->refCount > 1) ? 1 : 0);
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_IsChannelExisting --
 *







|







 







|







|







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







 







|







669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
....
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
....
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
....
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
....
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
....
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
....
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
....
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
....
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
....
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117
6118
.....
10355
10356
10357
10358
10359
10360
10361
10362
10363
10364
10365
10366
10367
10368
10369
		 * Decrement the refcount which was earlier artificially
		 * bumped up to keep the channel from being closed.
		 */

		statePtr->refCount--;
	    }

	    if (statePtr->refCount + 1 <= 1) {
		/*
		 * Close it only if the refcount indicates that the channel is
		 * not referenced from any interpreter. If it is, that
		 * interpreter will close the channel when it gets destroyed.
		 */

		(void) Tcl_Close(NULL, (Tcl_Channel) chanPtr);
................................................................................
{
    ChannelState *statePtr = ((Channel *) chan)->state;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    if (tsdPtr->stdinInitialized == 1
	    && tsdPtr->stdinChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdinChannel)->state) {
	if (statePtr->refCount + 1 < 3) {
	    statePtr->refCount = 0;
	    tsdPtr->stdinChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stdoutInitialized == 1
	    && tsdPtr->stdoutChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdoutChannel)->state) {
	if (statePtr->refCount + 1 < 3) {
	    statePtr->refCount = 0;
	    tsdPtr->stdoutChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stderrInitialized == 1
	    && tsdPtr->stderrChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stderrChannel)->state) {
	if (statePtr->refCount + 1 < 3) {
	    statePtr->refCount = 0;
	    tsdPtr->stderrChannel = NULL;
	    return;
	}
    }
}
 
................................................................................

    CheckForStdChannelsBeingClosed(chan);

    /*
     * If the refCount reached zero, close the actual channel.
     */

    if (statePtr->refCount + 1 <= 1) {
	Tcl_Preserve(statePtr);
	if (!GotFlag(statePtr, BG_FLUSH_SCHEDULED)) {
	    /*
	     * We don't want to re-enter Tcl_Close().
	     */

	    if (!GotFlag(statePtr, CHANNEL_CLOSED)) {
................................................................................
    }
}

static void
ChannelFree(
    Channel *chanPtr)
{
    if (!chanPtr->refCount) {
	Tcl_Free(chanPtr);
	return;
    }
    chanPtr->typePtr = NULL;
}
 
/*
................................................................................
	}
    } else {
	/*
	 * This channel does not cover another one. Simply do a close, if
	 * necessary.
	 */

	if (statePtr->refCount + 1 <= 1) {
	    if (Tcl_Close(interp, chan) != TCL_OK) {
		/*
		 * TIP #219, Tcl Channel Reflection API.
		 * "TclChanCaughtErrorBypass" is not required here, it was
		 * done already by "Tcl_Close".
		 */

................................................................................
    return bufPtr;
}

static void
PreserveChannelBuffer(
    ChannelBuffer *bufPtr)
{
    if (!bufPtr->refCount) {
	Tcl_Panic("Reuse of ChannelBuffer! %p", bufPtr);
    }
    bufPtr->refCount++;
}

static void
ReleaseChannelBuffer(
................................................................................
    Tcl_Free(bufPtr);
}

static int
IsShared(
    ChannelBuffer *bufPtr)
{
    return bufPtr->refCount + 1 > 2;
}
 
/*
 *----------------------------------------------------------------------
 *
 * RecycleBuffer --
 *
................................................................................

    /*
     * If the channel is flagged as closed, delete it when the refCount drops
     * to zero, the output queue is empty and there is no output in the
     * current output buffer.
     */

    if (GotFlag(statePtr, CHANNEL_CLOSED) && (statePtr->refCount + 1 <= 1) &&
	    (statePtr->outQueueHead == NULL) &&
	    ((statePtr->curOutPtr == NULL) ||
	    IsBufferEmpty(statePtr->curOutPtr))) {
	errorCode = CloseChannel(interp, chanPtr, errorCode);
	goto done;
    }

................................................................................
     * This operation should occur at the top of a channel stack.
     */

    chanPtr = (Channel *) chan;
    statePtr = chanPtr->state;
    chanPtr = statePtr->topChanPtr;

    if (statePtr->refCount + 1 > 1) {
	Tcl_Panic("called Tcl_Close on channel with refCount > 0");
    }

    if (GotFlag(statePtr, CHANNEL_INCLOSE)) {
	if (interp) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
                    "illegal recursive call to close through close-handler"
................................................................................

    int factor = *factorPtr;
    int dstLimit = TCL_UTF_MAX - 1 + toRead * factor / UTF_EXPANSION_FACTOR;

    (void) TclGetStringFromObj(objPtr, &numBytes);
    Tcl_AppendToObj(objPtr, NULL, dstLimit);
    if (toRead == srcLen) {
	size_t size;

	dst = TclGetStringStorage(objPtr, &size) + numBytes;
	dstLimit = size - numBytes;
    } else {
	dst = TclGetString(objPtr) + numBytes;
    }

................................................................................
int
Tcl_IsChannelShared(
    Tcl_Channel chan)		/* The channel to query */
{
    ChannelState *statePtr = ((Channel *) chan)->state;
				/* State of real channel structure. */

    return ((statePtr->refCount + 1 > 2) ? 1 : 0);
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_IsChannelExisting --
 *

Changes to generic/tclIO.h.

32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
...
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
...
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/*
 * struct ChannelBuffer:
 *
 * Buffers data being sent to or from a channel.
 */

typedef struct ChannelBuffer {
    int refCount;		/* Current uses count */
    int nextAdded;		/* The next position into which a character
				 * will be put in the buffer. */
    int nextRemoved;		/* Position of next byte to be removed from
				 * the buffer. */
    int bufLength;		/* How big is the buffer? */
    struct ChannelBuffer *nextPtr;
    				/* Next buffer in chain. */
................................................................................
     * Intermediate buffers to hold pre-read data for consumption by a newly
     * stacked transformation. See 'Tcl_StackChannel'.
     */

    ChannelBuffer *inQueueHead;	/* Points at first buffer in input queue. */
    ChannelBuffer *inQueueTail;	/* Points at last buffer in input queue. */

    int refCount;
} Channel;

/*
 * struct ChannelState:
 *
 * One of these structures is allocated for each open channel. It contains
 * data specific to the channel but which belongs to the generic part of the
................................................................................
    int inEofChar;		/* If nonzero, use this as a signal of EOF on
				 * input. */
    int outEofChar;		/* If nonzero, append this to the channel when
				 * it is closed if it is open for writing. */
    int unreportedError;	/* Non-zero if an error report was deferred
				 * because it happened in the background. The
				 * value is the POSIX error code. */
    int refCount;		/* How many interpreters hold references to
				 * this IO channel? */
    struct CloseCallback *closeCbPtr;
				/* Callbacks registered to be called when the
				 * channel is closed. */
    char *outputStage;		/* Temporary staging buffer used when
				 * translating EOL before converting from
				 * UTF-8 to external form. */







|







 







|







 







|







32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
...
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
...
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
/*
 * struct ChannelBuffer:
 *
 * Buffers data being sent to or from a channel.
 */

typedef struct ChannelBuffer {
    size_t refCount;		/* Current uses count */
    int nextAdded;		/* The next position into which a character
				 * will be put in the buffer. */
    int nextRemoved;		/* Position of next byte to be removed from
				 * the buffer. */
    int bufLength;		/* How big is the buffer? */
    struct ChannelBuffer *nextPtr;
    				/* Next buffer in chain. */
................................................................................
     * Intermediate buffers to hold pre-read data for consumption by a newly
     * stacked transformation. See 'Tcl_StackChannel'.
     */

    ChannelBuffer *inQueueHead;	/* Points at first buffer in input queue. */
    ChannelBuffer *inQueueTail;	/* Points at last buffer in input queue. */

    size_t refCount;
} Channel;

/*
 * struct ChannelState:
 *
 * One of these structures is allocated for each open channel. It contains
 * data specific to the channel but which belongs to the generic part of the
................................................................................
    int inEofChar;		/* If nonzero, use this as a signal of EOF on
				 * input. */
    int outEofChar;		/* If nonzero, append this to the channel when
				 * it is closed if it is open for writing. */
    int unreportedError;	/* Non-zero if an error report was deferred
				 * because it happened in the background. The
				 * value is the POSIX error code. */
    size_t refCount;		/* How many interpreters hold references to
				 * this IO channel? */
    struct CloseCallback *closeCbPtr;
				/* Callbacks registered to be called when the
				 * channel is closed. */
    char *outputStage;		/* Temporary staging buffer used when
				 * translating EOL before converting from
				 * UTF-8 to external form. */

Changes to generic/tclIOGT.c.

374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
...
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
				 * callback is sent to the underlying channel
				 * or not. */
    int preserve)		/* Flag. If true the procedure will preserve
				 * the result state of all accessed
				 * interpreters. */
{
    Tcl_Obj *resObj;		/* See below, switch (transmit). */
    int resLen;
    unsigned char *resBuf;
    Tcl_InterpState state = NULL;
    int res = TCL_OK;
    Tcl_Obj *command = TclListObjCopy(NULL, dataPtr->command);
    Tcl_Interp *eval = dataPtr->interp;

    Tcl_Preserve(eval);
................................................................................
	break;

    case TRANSMIT_DOWN:
	if (dataPtr->self == NULL) {
	    break;
	}
	resObj = Tcl_GetObjResult(eval);
	resBuf = Tcl_GetByteArrayFromObj(resObj, &resLen);
	Tcl_WriteRaw(Tcl_GetStackedChannel(dataPtr->self), (char *) resBuf,
		resLen);
	break;

    case TRANSMIT_SELF:
	if (dataPtr->self == NULL) {
	    break;
	}
	resObj = Tcl_GetObjResult(eval);
	resBuf = Tcl_GetByteArrayFromObj(resObj, &resLen);
	Tcl_WriteRaw(dataPtr->self, (char *) resBuf, resLen);
	break;

    case TRANSMIT_IBUF:
	resObj = Tcl_GetObjResult(eval);
	resBuf = Tcl_GetByteArrayFromObj(resObj, &resLen);
	ResultAdd(&dataPtr->result, resBuf, resLen);
	break;

    case TRANSMIT_NUM:
	/*
	 * Interpret result as integer number.
	 */







|







 







|









|





|







374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
...
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
				 * callback is sent to the underlying channel
				 * or not. */
    int preserve)		/* Flag. If true the procedure will preserve
				 * the result state of all accessed
				 * interpreters. */
{
    Tcl_Obj *resObj;		/* See below, switch (transmit). */
    size_t resLen;
    unsigned char *resBuf;
    Tcl_InterpState state = NULL;
    int res = TCL_OK;
    Tcl_Obj *command = TclListObjCopy(NULL, dataPtr->command);
    Tcl_Interp *eval = dataPtr->interp;

    Tcl_Preserve(eval);
................................................................................
	break;

    case TRANSMIT_DOWN:
	if (dataPtr->self == NULL) {
	    break;
	}
	resObj = Tcl_GetObjResult(eval);
	resBuf = TclGetByteArrayFromObj(resObj, &resLen);
	Tcl_WriteRaw(Tcl_GetStackedChannel(dataPtr->self), (char *) resBuf,
		resLen);
	break;

    case TRANSMIT_SELF:
	if (dataPtr->self == NULL) {
	    break;
	}
	resObj = Tcl_GetObjResult(eval);
	resBuf = TclGetByteArrayFromObj(resObj, &resLen);
	Tcl_WriteRaw(dataPtr->self, (char *) resBuf, resLen);
	break;

    case TRANSMIT_IBUF:
	resObj = Tcl_GetObjResult(eval);
	resBuf = TclGetByteArrayFromObj(resObj, &resLen);
	ResultAdd(&dataPtr->result, resBuf, resLen);
	break;

    case TRANSMIT_NUM:
	/*
	 * Interpret result as integer number.
	 */

Changes to generic/tclInt.h.

3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
MODULE_SCOPE int	TclGetOpenModeEx(Tcl_Interp *interp,
			    const char *modeString, int *seekFlagPtr,
			    int *binaryPtr);
MODULE_SCOPE Tcl_Obj *	TclGetProcessGlobalValue(ProcessGlobalValue *pgvPtr);
MODULE_SCOPE Tcl_Obj *	TclGetSourceFromFrame(CmdFrame *cfPtr, int objc,
			    Tcl_Obj *const objv[]);
MODULE_SCOPE char *	TclGetStringStorage(Tcl_Obj *objPtr,
			    unsigned int *sizePtr);
MODULE_SCOPE int	TclGetLoadedPackagesEx(Tcl_Interp *interp,
				const char *targetName,
				const char *packageName);
MODULE_SCOPE int	TclGetWideBitsFromObj(Tcl_Interp *, Tcl_Obj *,
				Tcl_WideInt *);
MODULE_SCOPE int	TclGlob(Tcl_Interp *interp, char *pattern,
			    Tcl_Obj *unquotedPrefix, int globFlags,







|







3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
MODULE_SCOPE int	TclGetOpenModeEx(Tcl_Interp *interp,
			    const char *modeString, int *seekFlagPtr,
			    int *binaryPtr);
MODULE_SCOPE Tcl_Obj *	TclGetProcessGlobalValue(ProcessGlobalValue *pgvPtr);
MODULE_SCOPE Tcl_Obj *	TclGetSourceFromFrame(CmdFrame *cfPtr, int objc,
			    Tcl_Obj *const objv[]);
MODULE_SCOPE char *	TclGetStringStorage(Tcl_Obj *objPtr,
			    size_t *sizePtr);
MODULE_SCOPE int	TclGetLoadedPackagesEx(Tcl_Interp *interp,
				const char *targetName,
				const char *packageName);
MODULE_SCOPE int	TclGetWideBitsFromObj(Tcl_Interp *, Tcl_Obj *,
				Tcl_WideInt *);
MODULE_SCOPE int	TclGlob(Tcl_Interp *interp, char *pattern,
			    Tcl_Obj *unquotedPrefix, int globFlags,

Changes to generic/tclInterp.c.

4560
4561
4562
4563
4564
4565
4566

4567
4568
4569
4570
4571
4572
4573
4574
....
4765
4766
4767
4768
4769
4770
4771

4772
4773
4774
4775
4776
4777
4778
4779
	    break;
	}
	return TCL_OK;
    } else if ((objc-consumedObjc) & 1 /* isOdd(objc-consumedObjc) */) {
	Tcl_WrongNumArgs(interp, consumedObjc, objv, "?-option value ...?");
	return TCL_ERROR;
    } else {

	int i, scriptLen = 0, limitLen = 0;
	Tcl_Obj *scriptObj = NULL, *granObj = NULL, *limitObj = NULL;
	int gran = 0, limit = 0;

	for (i=consumedObjc ; i<objc ; i+=2) {
	    if (Tcl_GetIndexFromObj(interp, objv[i], options, "option", 0,
		    &index) != TCL_OK) {
		return TCL_ERROR;
................................................................................
	    break;
	}
	return TCL_OK;
    } else if ((objc-consumedObjc) & 1 /* isOdd(objc-consumedObjc) */) {
	Tcl_WrongNumArgs(interp, consumedObjc, objv, "?-option value ...?");
	return TCL_ERROR;
    } else {

	int i, scriptLen = 0, milliLen = 0, secLen = 0;
	Tcl_Obj *scriptObj = NULL, *granObj = NULL;
	Tcl_Obj *milliObj = NULL, *secObj = NULL;
	int gran = 0;
	Tcl_Time limitMoment;
	int tmp;

	Tcl_LimitGetTime(slaveInterp, &limitMoment);







>
|







 







>
|







4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
....
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
	    break;
	}
	return TCL_OK;
    } else if ((objc-consumedObjc) & 1 /* isOdd(objc-consumedObjc) */) {
	Tcl_WrongNumArgs(interp, consumedObjc, objv, "?-option value ...?");
	return TCL_ERROR;
    } else {
	int i;
	size_t scriptLen = 0, limitLen = 0;
	Tcl_Obj *scriptObj = NULL, *granObj = NULL, *limitObj = NULL;
	int gran = 0, limit = 0;

	for (i=consumedObjc ; i<objc ; i+=2) {
	    if (Tcl_GetIndexFromObj(interp, objv[i], options, "option", 0,
		    &index) != TCL_OK) {
		return TCL_ERROR;
................................................................................
	    break;
	}
	return TCL_OK;
    } else if ((objc-consumedObjc) & 1 /* isOdd(objc-consumedObjc) */) {
	Tcl_WrongNumArgs(interp, consumedObjc, objv, "?-option value ...?");
	return TCL_ERROR;
    } else {
	int i;
	size_t scriptLen = 0, milliLen = 0, secLen = 0;
	Tcl_Obj *scriptObj = NULL, *granObj = NULL;
	Tcl_Obj *milliObj = NULL, *secObj = NULL;
	int gran = 0;
	Tcl_Time limitMoment;
	int tmp;

	Tcl_LimitGetTime(slaveInterp, &limitMoment);

Changes to generic/tclMain.c.

463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
...
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
...
749
750
751
752
753
754
755
756

757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
     */

    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)) {
................................................................................
	    }
	    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.
................................................................................

    /* ARGSUSED */
static void
StdinProc(
    ClientData clientData,	/* The state of interactive cmd line */
    int mask)			/* Not used. */
{
    int code, length;

    InteractiveState *isPtr = clientData;
    Tcl_Channel chan = isPtr->input;
    Tcl_Obj *commandPtr = isPtr->commandPtr;
    Tcl_Interp *interp = isPtr->interp;

    if (Tcl_IsShared(commandPtr)) {
	Tcl_DecrRefCount(commandPtr);
	commandPtr = Tcl_DuplicateObj(commandPtr);
	Tcl_IncrRefCount(commandPtr);
    }
    length = Tcl_GetsObj(chan, commandPtr);
    if (length < 0) {
	if (Tcl_InputBlocked(chan)) {
	    return;
	}
	if (isPtr->tty) {
	    /*
	     * Would be better to find a way to exit the mainLoop? Or perhaps
	     * evaluate [exit]? Leaving as is for now due to compatibility







|







 







|







 







|
>











|







463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
...
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
...
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
     */

    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) {
	    size_t length;

	    if (is.tty) {
		Prompt(interp, &is);
		if (Tcl_InterpDeleted(interp)) {
		    break;
		}
		if (Tcl_LimitExceeded(interp)) {
................................................................................
	    }
	    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 == (size_t)-1) {
		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.
................................................................................

    /* ARGSUSED */
static void
StdinProc(
    ClientData clientData,	/* The state of interactive cmd line */
    int mask)			/* Not used. */
{
    int code;
    size_t length;
    InteractiveState *isPtr = clientData;
    Tcl_Channel chan = isPtr->input;
    Tcl_Obj *commandPtr = isPtr->commandPtr;
    Tcl_Interp *interp = isPtr->interp;

    if (Tcl_IsShared(commandPtr)) {
	Tcl_DecrRefCount(commandPtr);
	commandPtr = Tcl_DuplicateObj(commandPtr);
	Tcl_IncrRefCount(commandPtr);
    }
    length = Tcl_GetsObj(chan, commandPtr);
    if (length == (size_t)-1) {
	if (Tcl_InputBlocked(chan)) {
	    return;
	}
	if (isPtr->tty) {
	    /*
	     * Would be better to find a way to exit the mainLoop? Or perhaps
	     * evaluate [exit]? Leaving as is for now due to compatibility

Changes to generic/tclOOBasic.c.

244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
				 * also used for error reporting. */
    Tcl_ObjectContext context,	/* The object/call context. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const *objv)	/* The actual arguments. */
{
    Object *oPtr = (Object *) Tcl_ObjectContextObject(context);
    const char *objName, *nsName;
    int len;

    /*
     * Sanity check; should not be possible to invoke this method on a
     * non-class.
     */

    if (oPtr->classPtr == NULL) {







|







244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
				 * also used for error reporting. */
    Tcl_ObjectContext context,	/* The object/call context. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const *objv)	/* The actual arguments. */
{
    Object *oPtr = (Object *) Tcl_ObjectContextObject(context);
    const char *objName, *nsName;
    size_t len;

    /*
     * Sanity check; should not be possible to invoke this method on a
     * non-class.
     */

    if (oPtr->classPtr == NULL) {

Changes to generic/tclOODefineCmds.c.

685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
...
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
....
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
....
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)
{
    Namespace *nsPtr = (Namespace *) Tcl_GetCurrentNamespace(interp);
    Tcl_HashSearch search;
    Tcl_HashEntry *hPtr;
    int soughtLen;
    const char *soughtStr, *matchedStr = NULL;

    if (objc < 2) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"bad call of unknown handler", -1));
	Tcl_SetErrorCode(interp, "TCL", "OO", "BAD_UNKNOWN", NULL);
	return TCL_ERROR;
................................................................................

static Tcl_Command
FindCommand(
    Tcl_Interp *interp,
    Tcl_Obj *stringObj,
    Tcl_Namespace *const namespacePtr)
{
    int length;
    const char *nameStr, *string = TclGetStringFromObj(stringObj, &length);
    register Namespace *const nsPtr = (Namespace *) namespacePtr;
    FOREACH_HASH_DECLS;
    Tcl_Command cmd, cmd2;

    /*
     * If someone is playing games, we stop playing right now.
................................................................................
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)
{
    Object *oPtr;
    Class *clsPtr;
    Tcl_Method method;
    int bodyLength;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "arguments body");
	return TCL_ERROR;
    }

    /*
................................................................................
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)
{
    Object *oPtr;
    Class *clsPtr;
    Tcl_Method method;
    int bodyLength;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "body");
	return TCL_ERROR;
    }

    oPtr = (Object *) TclOOGetDefineCmdContext(interp);







|







 







|







 







|







 







|







685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
...
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
....
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
....
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)
{
    Namespace *nsPtr = (Namespace *) Tcl_GetCurrentNamespace(interp);
    Tcl_HashSearch search;
    Tcl_HashEntry *hPtr;
    size_t soughtLen;
    const char *soughtStr, *matchedStr = NULL;

    if (objc < 2) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"bad call of unknown handler", -1));
	Tcl_SetErrorCode(interp, "TCL", "OO", "BAD_UNKNOWN", NULL);
	return TCL_ERROR;
................................................................................

static Tcl_Command
FindCommand(
    Tcl_Interp *interp,
    Tcl_Obj *stringObj,
    Tcl_Namespace *const namespacePtr)
{
    size_t length;
    const char *nameStr, *string = TclGetStringFromObj(stringObj, &length);
    register Namespace *const nsPtr = (Namespace *) namespacePtr;
    FOREACH_HASH_DECLS;
    Tcl_Command cmd, cmd2;

    /*
     * If someone is playing games, we stop playing right now.
................................................................................
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)
{
    Object *oPtr;
    Class *clsPtr;
    Tcl_Method method;
    size_t bodyLength;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "arguments body");
	return TCL_ERROR;
    }

    /*
................................................................................
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)
{
    Object *oPtr;
    Class *clsPtr;
    Tcl_Method method;
    size_t bodyLength;

    if (objc != 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "body");
	return TCL_ERROR;
    }

    oPtr = (Object *) TclOOGetDefineCmdContext(interp);

Changes to generic/tclOOMethod.c.

989
990
991
992
993
994
995
996

997
998
999
1000
1001
1002
1003
....
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
....
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
....
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
    OOResVarInfo *infoPtr = (OOResVarInfo *) rPtr;
    Interp *iPtr = (Interp *) interp;
    CallFrame *framePtr = iPtr->varFramePtr;
    CallContext *contextPtr;
    Tcl_Obj *variableObj;
    PrivateVariableMapping *privateVar;
    Tcl_HashEntry *hPtr;
    int i, isNew, cacheIt, varLen, len;

    const char *match, *varName;

    /*
     * Check that the variable is being requested in a context that is also a
     * method call; if not (i.e. we're evaluating in the object's namespace or
     * in a procedure of that namespace) then we do nothing.
     */
................................................................................
 *	suitable formatting contexts.
 *
 * ----------------------------------------------------------------------
 */

#define LIMIT 60
#define ELLIPSIFY(str,len) \
	((len) > LIMIT ? LIMIT : ((int)len)), (str), ((len) > LIMIT ? "..." : "")

static void
MethodErrorHandler(
    Tcl_Interp *interp,
    Tcl_Obj *methodNameObj)
{
    size_t nameLen, objectNameLen;
................................................................................
    Tcl_Interp *interp,
    Tcl_Obj *methodNameObj)
{
    CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData;
    Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr;
    Object *declarerPtr;
    const char *objectName, *kindName;
    int objectNameLen;

    if (mPtr->declaringObjectPtr != NULL) {
	declarerPtr = mPtr->declaringObjectPtr;
	kindName = "object";
    } else {
	if (mPtr->declaringClassPtr == NULL) {
	    Tcl_Panic("method not declared in class or object");
................................................................................
    Tcl_Interp *interp,
    Tcl_Obj *methodNameObj)
{
    CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData;
    Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr;
    Object *declarerPtr;
    const char *objectName, *kindName;
    int objectNameLen;

    if (mPtr->declaringObjectPtr != NULL) {
	declarerPtr = mPtr->declaringObjectPtr;
	kindName = "object";
    } else {
	if (mPtr->declaringClassPtr == NULL) {
	    Tcl_Panic("method not declared in class or object");







|
>







 







|







 







|







 







|







989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
....
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
....
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
....
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
    OOResVarInfo *infoPtr = (OOResVarInfo *) rPtr;
    Interp *iPtr = (Interp *) interp;
    CallFrame *framePtr = iPtr->varFramePtr;
    CallContext *contextPtr;
    Tcl_Obj *variableObj;
    PrivateVariableMapping *privateVar;
    Tcl_HashEntry *hPtr;
    int i, isNew, cacheIt;
    size_t varLen, len;
    const char *match, *varName;

    /*
     * Check that the variable is being requested in a context that is also a
     * method call; if not (i.e. we're evaluating in the object's namespace or
     * in a procedure of that namespace) then we do nothing.
     */
................................................................................
 *	suitable formatting contexts.
 *
 * ----------------------------------------------------------------------
 */

#define LIMIT 60
#define ELLIPSIFY(str,len) \
	((len) > LIMIT ? LIMIT : (int)(len)), (str), ((len) > LIMIT ? "..." : "")

static void
MethodErrorHandler(
    Tcl_Interp *interp,
    Tcl_Obj *methodNameObj)
{
    size_t nameLen, objectNameLen;
................................................................................
    Tcl_Interp *interp,
    Tcl_Obj *methodNameObj)
{
    CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData;
    Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr;
    Object *declarerPtr;
    const char *objectName, *kindName;
    size_t objectNameLen;

    if (mPtr->declaringObjectPtr != NULL) {
	declarerPtr = mPtr->declaringObjectPtr;
	kindName = "object";
    } else {
	if (mPtr->declaringClassPtr == NULL) {
	    Tcl_Panic("method not declared in class or object");
................................................................................
    Tcl_Interp *interp,
    Tcl_Obj *methodNameObj)
{
    CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData;
    Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr;
    Object *declarerPtr;
    const char *objectName, *kindName;
    size_t objectNameLen;

    if (mPtr->declaringObjectPtr != NULL) {
	declarerPtr = mPtr->declaringObjectPtr;
	kindName = "object";
    } else {
	if (mPtr->declaringClassPtr == NULL) {
	    Tcl_Panic("method not declared in class or object");

Changes to generic/tclOptimize.c.

226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
...
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
	case INST_PUSH1:
	    if (nextInst == INST_POP) {
		blank = size + InstLength(nextInst);
	    } else if (nextInst == INST_STR_CONCAT1
		    && TclGetUInt1AtPtr(currentInstPtr + size + 1) == 2) {
		Tcl_Obj *litPtr = TclFetchLiteral(envPtr,
			TclGetUInt1AtPtr(currentInstPtr + 1));
		int numBytes;

		(void) TclGetStringFromObj(litPtr, &numBytes);
		if (numBytes == 0) {
		    blank = size + InstLength(nextInst);
		}
	    }
	    break;
................................................................................
	case INST_PUSH4:
	    if (nextInst == INST_POP) {
		blank = size + 1;
	    } else if (nextInst == INST_STR_CONCAT1
		    && TclGetUInt1AtPtr(currentInstPtr + size + 1) == 2) {
		Tcl_Obj *litPtr = TclFetchLiteral(envPtr,
			TclGetUInt4AtPtr(currentInstPtr + 1));
		int numBytes;

		(void) TclGetStringFromObj(litPtr, &numBytes);
		if (numBytes == 0) {
		    blank = size + InstLength(nextInst);
		}
	    }
	    break;







|







 







|







226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
...
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
	case INST_PUSH1:
	    if (nextInst == INST_POP) {
		blank = size + InstLength(nextInst);
	    } else if (nextInst == INST_STR_CONCAT1
		    && TclGetUInt1AtPtr(currentInstPtr + size + 1) == 2) {
		Tcl_Obj *litPtr = TclFetchLiteral(envPtr,
			TclGetUInt1AtPtr(currentInstPtr + 1));
		size_t numBytes;

		(void) TclGetStringFromObj(litPtr, &numBytes);
		if (numBytes == 0) {
		    blank = size + InstLength(nextInst);
		}
	    }
	    break;
................................................................................
	case INST_PUSH4:
	    if (nextInst == INST_POP) {
		blank = size + 1;
	    } else if (nextInst == INST_STR_CONCAT1
		    && TclGetUInt1AtPtr(currentInstPtr + size + 1) == 2) {
		Tcl_Obj *litPtr = TclFetchLiteral(envPtr,
			TclGetUInt4AtPtr(currentInstPtr + 1));
		size_t numBytes;

		(void) TclGetStringFromObj(litPtr, &numBytes);
		if (numBytes == 0) {
		    blank = size + InstLength(nextInst);
		}
	    }
	    break;

Changes to generic/tclParse.c.

2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
	     * everything, just the number of lines we have to add as
	     * correction.
	     */

	    if ((appendByteLength == 1) && (utfCharBytes[0] == ' ')
		    && (tokenPtr->start[1] == '\n')) {
		if (isLiteral) {
		    int clPos;

		    if (result == 0) {
			clPos = 0;
		    } else {
			(void)TclGetStringFromObj(result, &clPos);
		    }








|







2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
	     * everything, just the number of lines we have to add as
	     * correction.
	     */

	    if ((appendByteLength == 1) && (utfCharBytes[0] == ' ')
		    && (tokenPtr->start[1] == '\n')) {
		if (isLiteral) {
		    size_t clPos;

		    if (result == 0) {
			clPos = 0;
		    } else {
			(void)TclGetStringFromObj(result, &clPos);
		    }

Changes to generic/tclPkg.c.

1950
1951
1952
1953
1954
1955
1956

1957
1958
1959
1960
1961
1962
1963
1964
    Tcl_Interp *interp,
    int reqc,			/* Requirements constraining the desired
				 * version. */
    Tcl_Obj *const reqv[])	/* 0 means to use the latest version
				 * available. */
{
    Tcl_Obj *result = Tcl_GetObjResult(interp);

    int i, length;

    for (i = 0; i < reqc; i++) {
	const char *v = TclGetStringFromObj(reqv[i], &length);

	if ((length & 0x1) && (v[length/2] == '-')
		&& (strncmp(v, v+((length+1)/2), length/2) == 0)) {
	    Tcl_AppendPrintfToObj(result, " exactly %s", v+((length+1)/2));







>
|







1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
    Tcl_Interp *interp,
    int reqc,			/* Requirements constraining the desired
				 * version. */
    Tcl_Obj *const reqv[])	/* 0 means to use the latest version
				 * available. */
{
    Tcl_Obj *result = Tcl_GetObjResult(interp);
    int i;
    size_t length;

    for (i = 0; i < reqc; i++) {
	const char *v = TclGetStringFromObj(reqv[i], &length);

	if ((length & 0x1) && (v[length/2] == '-')
		&& (strncmp(v, v+((length+1)/2), length/2) == 0)) {
	    Tcl_AppendPrintfToObj(result, " exactly %s", v+((length+1)/2));

Changes to generic/tclStringObj.c.

1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719

1720
1721
1722
1723
1724
1725
1726
....
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
....
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
    Tcl_Interp *interp,
    Tcl_Obj *appendObj,
    const char *format,
    int objc,
    Tcl_Obj *const objv[])
{
    const char *span = format, *msg, *errCode;
    int numBytes = 0, objIndex = 0, gotXpg = 0, gotSequential = 0;
    int originalLength, limit;
    Tcl_UniChar ch = 0;
    static const char *mixedXPG =
	    "cannot mix \"%\" and \"%n$\" conversion specifiers";
    static const char *const badIndex[2] = {
	"not enough arguments for all format specifiers",
	"\"%n$\" argument index out of range"
    };
    static const char *overflow = "max size for a Tcl value exceeded";

    if (Tcl_IsShared(appendObj)) {
	Tcl_Panic("%s called with shared object", "Tcl_AppendFormatToObj");
    }
    (void)TclGetStringFromObj(appendObj, &originalLength);
    limit = INT_MAX - originalLength;

    /*
     * Format string is NUL-terminated.
     */

    while (*format != '\0') {
	char *end;
	int gotMinus = 0, gotHash = 0, gotZero = 0, gotSpace = 0, gotPlus = 0;
	int width, gotPrecision, precision, sawFlag, useShort = 0, useBig = 0;
#ifndef TCL_WIDE_INT_IS_LONG
	int useWide = 0;
#endif
	int newXpg, numChars, allocSegment = 0, segmentLimit, segmentNumBytes;

	Tcl_Obj *segment;
	int step = TclUtfToUniChar(format, &ch);

	format += step;
	if (ch != '%') {
	    numBytes += step;
	    continue;
................................................................................
		width = -width;
		gotMinus = 1;
	    }
	    objIndex++;
	    format += step;
	    step = TclUtfToUniChar(format, &ch);
	}
	if (width > limit) {
	    msg = overflow;
	    errCode = "OVERFLOW";
	    goto errorMsg;
	}

	/*
	 * Step 4. Precision.
................................................................................
 *
 *---------------------------------------------------------------------------
 */

char *
TclGetStringStorage(
    Tcl_Obj *objPtr,
    unsigned int *sizePtr)
{
    String *stringPtr;

    if (objPtr->typePtr != &tclStringType || objPtr->bytes == NULL) {
	return TclGetStringFromObj(objPtr, (int *)sizePtr);
    }

    stringPtr = GET_STRING(objPtr);
    *sizePtr = stringPtr->allocated;
    return objPtr->bytes;
}
 







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>







 







|







 







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|







1684
1685
1686
1687
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1689
1690
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1698
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1703
1704
1705
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1713
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1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
....
1845
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1848
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1850
1851
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1853
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1855
1856
1857
1858
1859
....
2718
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2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
    Tcl_Interp *interp,
    Tcl_Obj *appendObj,
    const char *format,
    int objc,
    Tcl_Obj *const objv[])
{
    const char *span = format, *msg, *errCode;
    int objIndex = 0, gotXpg = 0, gotSequential = 0;
    size_t originalLength, limit, numBytes = 0;
    Tcl_UniChar ch = 0;
    static const char *mixedXPG =
	    "cannot mix \"%\" and \"%n$\" conversion specifiers";
    static const char *const badIndex[2] = {
	"not enough arguments for all format specifiers",
	"\"%n$\" argument index out of range"
    };
    static const char *overflow = "max size for a Tcl value exceeded";

    if (Tcl_IsShared(appendObj)) {
	Tcl_Panic("%s called with shared object", "Tcl_AppendFormatToObj");
    }
    (void)TclGetStringFromObj(appendObj, &originalLength);
    limit = (size_t)INT_MAX - originalLength;

    /*
     * Format string is NUL-terminated.
     */

    while (*format != '\0') {
	char *end;
	int gotMinus = 0, gotHash = 0, gotZero = 0, gotSpace = 0, gotPlus = 0;
	int width, gotPrecision, precision, sawFlag, useShort = 0, useBig = 0;
#ifndef TCL_WIDE_INT_IS_LONG
	int useWide = 0;
#endif
	int newXpg, numChars, allocSegment = 0, segmentLimit;
	size_t segmentNumBytes;
	Tcl_Obj *segment;
	int step = TclUtfToUniChar(format, &ch);

	format += step;
	if (ch != '%') {
	    numBytes += step;
	    continue;
................................................................................
		width = -width;
		gotMinus = 1;
	    }
	    objIndex++;
	    format += step;
	    step = TclUtfToUniChar(format, &ch);
	}
	if (width > (int) limit) {
	    msg = overflow;
	    errCode = "OVERFLOW";
	    goto errorMsg;
	}

	/*
	 * Step 4. Precision.
................................................................................
 *
 *---------------------------------------------------------------------------
 */

char *
TclGetStringStorage(
    Tcl_Obj *objPtr,
    size_t *sizePtr)
{
    String *stringPtr;

    if (objPtr->typePtr != &tclStringType || objPtr->bytes == NULL) {
	return TclGetStringFromObj(objPtr, sizePtr);
    }

    stringPtr = GET_STRING(objPtr);
    *sizePtr = stringPtr->allocated;
    return objPtr->bytes;
}
 

Changes to generic/tclUtil.c.

3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
    size_t endValue,		/* The value to be stored at "indexPtr" if
				 * "objPtr" holds "end". */
    int *indexPtr)		/* Location filled in with an integer
				 * representing an index. */
{
    Tcl_WideInt wide;

    /* Use platform-related size_t to wide-int to consider negative value 
     * ((size_t)-1) if wide-int and size_t have different dimensions. */
    if (GetWideForIndex(interp, objPtr, TclWideIntFromSize(endValue),
	   &wide) == TCL_ERROR) {
	return TCL_ERROR;
    }
    if (wide < 0) {
	*indexPtr = -1;







|







3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
    size_t endValue,		/* The value to be stored at "indexPtr" if
				 * "objPtr" holds "end". */
    int *indexPtr)		/* Location filled in with an integer
				 * representing an index. */
{
    Tcl_WideInt wide;

    /* Use platform-related size_t to wide-int to consider negative value
     * ((size_t)-1) if wide-int and size_t have different dimensions. */
    if (GetWideForIndex(interp, objPtr, TclWideIntFromSize(endValue),
	   &wide) == TCL_ERROR) {
	return TCL_ERROR;
    }
    if (wide < 0) {
	*indexPtr = -1;

Changes to generic/tclVar.c.

661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
...
836
837
838
839
840
841
842
843

844
845
846
847
848
849
850
...
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
    }

    if (!parsed) {
	/*
	 * part1Ptr is possibly an unparsed array element.
	 */

	int len;
	const char *part1 = TclGetStringFromObj(part1Ptr, &len);

	if ((len > 1) && (part1[len - 1] == ')')) {
	    const char *part2 = strchr(part1, '(');

	    if (part2) {
		if (part2Ptr != NULL) {
................................................................................
    TclVarHashTable *tablePtr;	/* Points to the hashtable, if any, in which
				 * to look up the variable. */
    Tcl_Var var;		/* Used to search for global names. */
    Var *varPtr;		/* Points to the Var structure returned for
				 * the variable. */
    Namespace *varNsPtr, *cxtNsPtr, *dummy1Ptr, *dummy2Ptr;
    ResolverScheme *resPtr;
    int isNew, i, result, varLen;

    const char *varName = TclGetStringFromObj(varNamePtr, &varLen);

    varPtr = NULL;
    varNsPtr = NULL;		/* Set non-NULL if a nonlocal variable. */
    *indexPtr = -3;

    if (flags & TCL_GLOBAL_ONLY) {
................................................................................
	}
    } else {			/* Local var: look in frame varFramePtr. */
	int localCt = varFramePtr->numCompiledLocals;

	if (localCt > 0) {
	    Tcl_Obj **objPtrPtr = &varFramePtr->localCachePtr->varName0;
	    const char *localNameStr;
	    int localLen;

	    for (i=0 ; i<localCt ; i++, objPtrPtr++) {
		register Tcl_Obj *objPtr = *objPtrPtr;

		if (objPtr) {
		    localNameStr = TclGetStringFromObj(objPtr, &localLen);








|







 







|
>







 







|







661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
...
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
...
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
    }

    if (!parsed) {
	/*
	 * part1Ptr is possibly an unparsed array element.
	 */

	size_t len;
	const char *part1 = TclGetStringFromObj(part1Ptr, &len);

	if ((len > 1) && (part1[len - 1] == ')')) {
	    const char *part2 = strchr(part1, '(');

	    if (part2) {
		if (part2Ptr != NULL) {
................................................................................
    TclVarHashTable *tablePtr;	/* Points to the hashtable, if any, in which
				 * to look up the variable. */
    Tcl_Var var;		/* Used to search for global names. */
    Var *varPtr;		/* Points to the Var structure returned for
				 * the variable. */
    Namespace *varNsPtr, *cxtNsPtr, *dummy1Ptr, *dummy2Ptr;
    ResolverScheme *resPtr;
    int isNew, i, result;
    size_t varLen;
    const char *varName = TclGetStringFromObj(varNamePtr, &varLen);

    varPtr = NULL;
    varNsPtr = NULL;		/* Set non-NULL if a nonlocal variable. */
    *indexPtr = -3;

    if (flags & TCL_GLOBAL_ONLY) {
................................................................................
	}
    } else {			/* Local var: look in frame varFramePtr. */
	int localCt = varFramePtr->numCompiledLocals;

	if (localCt > 0) {
	    Tcl_Obj **objPtrPtr = &varFramePtr->localCachePtr->varName0;
	    const char *localNameStr;
	    size_t localLen;

	    for (i=0 ; i<localCt ; i++, objPtrPtr++) {
		register Tcl_Obj *objPtr = *objPtrPtr;

		if (objPtr) {
		    localNameStr = TclGetStringFromObj(objPtr, &localLen);

Changes to generic/tclZlib.c.

2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
    }

    /*
     * Set the compression dictionary if requested.
     */

    if (compDictObj != NULL) {
	int len;

	(void) TclGetByteArrayFromObj(compDictObj, &len);
	if (len == 0) {
	    compDictObj = NULL;
	}
	Tcl_ZlibStreamSetCompressionDictionary(zstream, compDictObj);
    }







|







2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
    }

    /*
     * Set the compression dictionary if requested.
     */

    if (compDictObj != NULL) {
	size_t len;

	(void) TclGetByteArrayFromObj(compDictObj, &len);
	if (len == 0) {
	    compDictObj = NULL;
	}
	Tcl_ZlibStreamSetCompressionDictionary(zstream, compDictObj);
    }