Tcl Source Code

    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;
		    }

    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;
		    }

	     * 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;

    /*

	     * 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;

    /*

    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;
}
 
/*
 *----------------------------------------------------------------------
 *

    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;
}
 
/*
 *----------------------------------------------------------------------
 *

		    /*
		     * 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.

		    /*
		     * 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.

		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:

		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:

	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;

	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;

		 * 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 --
 *

		 * 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 --
 *

/*
 * 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. */

/*
 * 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. */

				 * 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.
	 */

				 * 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.
	 */

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,

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,

	    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);

	    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);

     */

    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

     */

    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

				 * 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) {

				 * 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) {

    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);

    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);

    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");

    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");

	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;

	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;

	     * 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);
		    }

	     * 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);
		    }

    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));

    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));

    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;
}
 

    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;
}
 

    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;

    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;

    }

    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);

    }

    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);

    }

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

    if (compDictObj != NULL) {
	int len;

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

    }

    /*
     * 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);
    }