Tcl Source Code

    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
    }
#endif
................................................................................
    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
    }
#endif
................................................................................
    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
    }
#endif
................................................................................
    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    d = irPtr->doubleValue;
	    Tcl_ResetResult(interp);
	    code = TCL_OK;
	}
    }
................................................................................
    if (objc != 3) {
	MathFuncWrongNumArgs(interp, 3, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d1);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    d1 = irPtr->doubleValue;
	    Tcl_ResetResult(interp);
	    code = TCL_OK;
	}
    }
................................................................................
#endif
    if (code != TCL_OK) {
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[2], &d2);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    d2 = irPtr->doubleValue;
	    Tcl_ResetResult(interp);
	    code = TCL_OK;
	}
    }
................................................................................

    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    if (Tcl_GetDoubleFromObj(interp, objv[1], &dResult) != TCL_OK) {
#ifdef ACCEPT_NAN
	if (Tcl_FetchIntRep(objv[1], &tclDoubleType)) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
#endif
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_NewDoubleObj(dResult));

    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
    }
#endif
................................................................................
    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
    }
#endif
................................................................................
    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
    }
#endif
................................................................................
    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    d = irPtr->doubleValue;
	    Tcl_ResetResult(interp);
	    code = TCL_OK;
	}
    }
................................................................................
    if (objc != 3) {
	MathFuncWrongNumArgs(interp, 3, objc, objv);
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[1], &d1);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    d1 = irPtr->doubleValue;
	    Tcl_ResetResult(interp);
	    code = TCL_OK;
	}
    }
................................................................................
#endif
    if (code != TCL_OK) {
	return TCL_ERROR;
    }
    code = Tcl_GetDoubleFromObj(interp, objv[2], &d2);
#ifdef ACCEPT_NAN
    if (code != TCL_OK) {
	const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objv[1], &tclDoubleType);

	if (irPtr) {
	    d2 = irPtr->doubleValue;
	    Tcl_ResetResult(interp);
	    code = TCL_OK;
	}
    }
................................................................................

    if (objc != 2) {
	MathFuncWrongNumArgs(interp, 2, objc, objv);
	return TCL_ERROR;
    }
    if (Tcl_GetDoubleFromObj(interp, objv[1], &dResult) != TCL_OK) {
#ifdef ACCEPT_NAN
	if (objv[1]->typePtr == &tclDoubleType) {
	    Tcl_SetObjResult(interp, objv[1]);
	    return TCL_OK;
	}
#endif
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, Tcl_NewDoubleObj(dResult));

#define SET_BYTEARRAY(irPtr, baPtr) \
		(irPtr)->twoPtrValue.ptr1 = (void *) (baPtr)

int
TclIsPureByteArray(
    Tcl_Obj * objPtr)
{
    return (NULL != Tcl_FetchIntRep(objPtr, &properByteArrayType));
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_NewByteArrayObj --
 *
................................................................................
unsigned char *
Tcl_GetByteArrayFromObj(
    Tcl_Obj *objPtr,		/* The ByteArray object. */
    int *lengthPtr)		/* If non-NULL, filled with length of the
				 * array of bytes in the ByteArray object. */
{
    ByteArray *baPtr;
    const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);

    if (irPtr == NULL) {
	irPtr = Tcl_FetchIntRep(objPtr, &tclByteArrayType);
	if (irPtr == NULL) {
	    SetByteArrayFromAny(NULL, objPtr);
	    irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);
	    if (irPtr == NULL) {
		irPtr = Tcl_FetchIntRep(objPtr, &tclByteArrayType);
	    }
	}
    }
    baPtr = GET_BYTEARRAY(irPtr);

    if (lengthPtr != NULL) {
	*lengthPtr = baPtr->used;
................................................................................
    ByteArray *byteArrayPtr;
    Tcl_ObjIntRep *irPtr;

    if (Tcl_IsShared(objPtr)) {
	Tcl_Panic("%s called with shared object", "Tcl_SetByteArrayLength");
    }

    irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);
    if (irPtr == NULL) {
	irPtr = Tcl_FetchIntRep(objPtr, &tclByteArrayType);
	if (irPtr == NULL) {
	    SetByteArrayFromAny(NULL, objPtr);
	    irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);
	    if (irPtr == NULL) {
		irPtr = Tcl_FetchIntRep(objPtr, &tclByteArrayType);
	    }
	}
    }

    byteArrayPtr = GET_BYTEARRAY(irPtr);
    if (length > byteArrayPtr->allocated) {
	byteArrayPtr = Tcl_Realloc(byteArrayPtr, BYTEARRAY_SIZE(length));
................................................................................
    size_t length;
    int improper = 0;
    const char *src, *srcEnd;
    unsigned char *dst;
    ByteArray *byteArrayPtr;
    Tcl_ObjIntRep ir;

    if (Tcl_FetchIntRep(objPtr, &properByteArrayType)) {
	return TCL_OK;
    }
    if (Tcl_FetchIntRep(objPtr, &tclByteArrayType)) {
	return TCL_OK;
    }

    src = TclGetString(objPtr);
    length = objPtr->length;
    srcEnd = src + length;

................................................................................
 *----------------------------------------------------------------------
 */

static void
FreeByteArrayInternalRep(
    Tcl_Obj *objPtr)		/* Object with internal rep to free. */
{
    Tcl_Free(GET_BYTEARRAY(Tcl_FetchIntRep(objPtr, &tclByteArrayType)));
}

static void
FreeProperByteArrayInternalRep(
    Tcl_Obj *objPtr)		/* Object with internal rep to free. */
{
    Tcl_Free(GET_BYTEARRAY(Tcl_FetchIntRep(objPtr, &properByteArrayType)));
}
 
/*
 *----------------------------------------------------------------------
 *
 * DupByteArrayInternalRep --
 *
................................................................................
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
    Tcl_Obj *copyPtr)		/* Object with internal rep to set. */
{
    size_t length;
    ByteArray *srcArrayPtr, *copyArrayPtr;
    Tcl_ObjIntRep ir;

    srcArrayPtr = GET_BYTEARRAY(Tcl_FetchIntRep(srcPtr, &tclByteArrayType));
    length = srcArrayPtr->used;

    copyArrayPtr = Tcl_Alloc(BYTEARRAY_SIZE(length));
    copyArrayPtr->used = length;
    copyArrayPtr->allocated = length;
    memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, length);

................................................................................
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
    Tcl_Obj *copyPtr)		/* Object with internal rep to set. */
{
    size_t length;
    ByteArray *srcArrayPtr, *copyArrayPtr;
    Tcl_ObjIntRep ir;

    srcArrayPtr = GET_BYTEARRAY(Tcl_FetchIntRep(srcPtr, &properByteArrayType));
    length = srcArrayPtr->used;

    copyArrayPtr = Tcl_Alloc(BYTEARRAY_SIZE(length));
    copyArrayPtr->used = length;
    copyArrayPtr->allocated = length;
    memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, length);

................................................................................
 */

static void
UpdateStringOfByteArray(
    Tcl_Obj *objPtr)		/* ByteArray object whose string rep to
				 * update. */
{
    const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);
    ByteArray *byteArrayPtr = GET_BYTEARRAY(irPtr);
    unsigned char *src = byteArrayPtr->bytes;
    size_t i, length = byteArrayPtr->used;
    size_t size = length;

    /*
     * How much space will string rep need?
................................................................................
		"TclAppendBytesToByteArray");
    }
    if (len == 0) {
	/* Append zero bytes is a no-op. */
	return;
    }

    irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);
    if (irPtr == NULL) {
	irPtr = Tcl_FetchIntRep(objPtr, &tclByteArrayType);
	if (irPtr == NULL) {
	    SetByteArrayFromAny(NULL, objPtr);
	    irPtr = Tcl_FetchIntRep(objPtr, &properByteArrayType);
	    if (irPtr == NULL) {
		irPtr = Tcl_FetchIntRep(objPtr, &tclByteArrayType);
	    }
	}
    }
    byteArrayPtr = GET_BYTEARRAY(irPtr);

    if (len > UINT_MAX - byteArrayPtr->used) {
	Tcl_Panic("max size for a Tcl value (%u bytes) exceeded", UINT_MAX);
................................................................................
	/*
	 * Double-precision floating point values. Tcl_GetDoubleFromObj
	 * returns TCL_ERROR for NaN, but we can check by comparing the
	 * object's type pointer.
	 */

	if (Tcl_GetDoubleFromObj(interp, src, &dvalue) != TCL_OK) {
	    const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(src, &tclDoubleType);
	    if (irPtr == NULL) {
		return TCL_ERROR;
	    }
	    dvalue = irPtr->doubleValue;
	}
	CopyNumber(&dvalue, *cursorPtr, sizeof(double), type);
	*cursorPtr += sizeof(double);
................................................................................
	/*
	 * Single-precision floating point values. Tcl_GetDoubleFromObj
	 * returns TCL_ERROR for NaN, but we can check by comparing the
	 * object's type pointer.
	 */

	if (Tcl_GetDoubleFromObj(interp, src, &dvalue) != TCL_OK) {
	    const Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(src, &tclDoubleType);
	    if (irPtr == NULL) {
		return TCL_ERROR;
	    }
	    dvalue = irPtr->doubleValue;
	}

	/*

#define SET_BYTEARRAY(irPtr, baPtr) \
		(irPtr)->twoPtrValue.ptr1 = (void *) (baPtr)

int
TclIsPureByteArray(
    Tcl_Obj * objPtr)
{
    return objPtr->typePtr == &properByteArrayType;
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_NewByteArrayObj --
 *
................................................................................
unsigned char *
Tcl_GetByteArrayFromObj(
    Tcl_Obj *objPtr,		/* The ByteArray object. */
    int *lengthPtr)		/* If non-NULL, filled with length of the
				 * array of bytes in the ByteArray object. */
{
    ByteArray *baPtr;
    const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objPtr, &properByteArrayType);

    if (irPtr == NULL) {
	irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);
	if (irPtr == NULL) {
	    SetByteArrayFromAny(NULL, objPtr);
	    irPtr = TclFetchIntRep(objPtr, &properByteArrayType);
	    if (irPtr == NULL) {
		irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);
	    }
	}
    }
    baPtr = GET_BYTEARRAY(irPtr);

    if (lengthPtr != NULL) {
	*lengthPtr = baPtr->used;
................................................................................
    ByteArray *byteArrayPtr;
    Tcl_ObjIntRep *irPtr;

    if (Tcl_IsShared(objPtr)) {
	Tcl_Panic("%s called with shared object", "Tcl_SetByteArrayLength");
    }

    irPtr = TclFetchIntRep(objPtr, &properByteArrayType);
    if (irPtr == NULL) {
	irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);
	if (irPtr == NULL) {
	    SetByteArrayFromAny(NULL, objPtr);
	    irPtr = TclFetchIntRep(objPtr, &properByteArrayType);
	    if (irPtr == NULL) {
		irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);
	    }
	}
    }

    byteArrayPtr = GET_BYTEARRAY(irPtr);
    if (length > byteArrayPtr->allocated) {
	byteArrayPtr = Tcl_Realloc(byteArrayPtr, BYTEARRAY_SIZE(length));
................................................................................
    size_t length;
    int improper = 0;
    const char *src, *srcEnd;
    unsigned char *dst;
    ByteArray *byteArrayPtr;
    Tcl_ObjIntRep ir;

    if (objPtr->typePtr == &properByteArrayType) {
	return TCL_OK;
    }
    if (objPtr->typePtr == &tclByteArrayType) {
	return TCL_OK;
    }

    src = TclGetString(objPtr);
    length = objPtr->length;
    srcEnd = src + length;

................................................................................
 *----------------------------------------------------------------------
 */

static void
FreeByteArrayInternalRep(
    Tcl_Obj *objPtr)		/* Object with internal rep to free. */
{
    Tcl_Free(GET_BYTEARRAY(TclFetchIntRep(objPtr, &tclByteArrayType)));
}

static void
FreeProperByteArrayInternalRep(
    Tcl_Obj *objPtr)		/* Object with internal rep to free. */
{
    Tcl_Free(GET_BYTEARRAY(TclFetchIntRep(objPtr, &properByteArrayType)));
}
 
/*
 *----------------------------------------------------------------------
 *
 * DupByteArrayInternalRep --
 *
................................................................................
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
    Tcl_Obj *copyPtr)		/* Object with internal rep to set. */
{
    size_t length;
    ByteArray *srcArrayPtr, *copyArrayPtr;
    Tcl_ObjIntRep ir;

    srcArrayPtr = GET_BYTEARRAY(TclFetchIntRep(srcPtr, &tclByteArrayType));
    length = srcArrayPtr->used;

    copyArrayPtr = Tcl_Alloc(BYTEARRAY_SIZE(length));
    copyArrayPtr->used = length;
    copyArrayPtr->allocated = length;
    memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, length);

................................................................................
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
    Tcl_Obj *copyPtr)		/* Object with internal rep to set. */
{
    size_t length;
    ByteArray *srcArrayPtr, *copyArrayPtr;
    Tcl_ObjIntRep ir;

    srcArrayPtr = GET_BYTEARRAY(TclFetchIntRep(srcPtr, &properByteArrayType));
    length = srcArrayPtr->used;

    copyArrayPtr = Tcl_Alloc(BYTEARRAY_SIZE(length));
    copyArrayPtr->used = length;
    copyArrayPtr->allocated = length;
    memcpy(copyArrayPtr->bytes, srcArrayPtr->bytes, length);

................................................................................
 */

static void
UpdateStringOfByteArray(
    Tcl_Obj *objPtr)		/* ByteArray object whose string rep to
				 * update. */
{
    const Tcl_ObjIntRep *irPtr = TclFetchIntRep(objPtr, &properByteArrayType);
    ByteArray *byteArrayPtr = GET_BYTEARRAY(irPtr);
    unsigned char *src = byteArrayPtr->bytes;
    size_t i, length = byteArrayPtr->used;
    size_t size = length;

    /*
     * How much space will string rep need?
................................................................................
		"TclAppendBytesToByteArray");
    }
    if (len == 0) {
	/* Append zero bytes is a no-op. */
	return;
    }

    irPtr = TclFetchIntRep(objPtr, &properByteArrayType);
    if (irPtr == NULL) {
	irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);
	if (irPtr == NULL) {
	    SetByteArrayFromAny(NULL, objPtr);
	    irPtr = TclFetchIntRep(objPtr, &properByteArrayType);
	    if (irPtr == NULL) {
		irPtr = TclFetchIntRep(objPtr, &tclByteArrayType);
	    }
	}
    }
    byteArrayPtr = GET_BYTEARRAY(irPtr);

    if (len > UINT_MAX - byteArrayPtr->used) {
	Tcl_Panic("max size for a Tcl value (%u bytes) exceeded", UINT_MAX);
................................................................................
	/*
	 * Double-precision floating point values. Tcl_GetDoubleFromObj
	 * returns TCL_ERROR for NaN, but we can check by comparing the
	 * object's type pointer.
	 */

	if (Tcl_GetDoubleFromObj(interp, src, &dvalue) != TCL_OK) {
	    const Tcl_ObjIntRep *irPtr = TclFetchIntRep(src, &tclDoubleType);
	    if (irPtr == NULL) {
		return TCL_ERROR;
	    }
	    dvalue = irPtr->doubleValue;
	}
	CopyNumber(&dvalue, *cursorPtr, sizeof(double), type);
	*cursorPtr += sizeof(double);
................................................................................
	/*
	 * Single-precision floating point values. Tcl_GetDoubleFromObj
	 * returns TCL_ERROR for NaN, but we can check by comparing the
	 * object's type pointer.
	 */

	if (Tcl_GetDoubleFromObj(interp, src, &dvalue) != TCL_OK) {
	    const Tcl_ObjIntRep *irPtr = TclFetchIntRep(src, &tclDoubleType);
	    if (irPtr == NULL) {
		return TCL_ERROR;
	    }
	    dvalue = irPtr->doubleValue;
	}

	/*

    }

    /*
     * fields.seconds could be an unsigned number that overflowed. Make sure
     * that it isn't.
     */

    if (Tcl_FetchIntRep(objv[1], &tclBignumType)) {
	Tcl_SetObjResult(interp, literals[LIT_INTEGER_VALUE_TOO_LARGE]);
	return TCL_ERROR;
    }

    /*
     * Convert UTC time to local.
     */

    }

    /*
     * fields.seconds could be an unsigned number that overflowed. Make sure
     * that it isn't.
     */

    if (objv[1]->typePtr == &tclBignumType) {
	Tcl_SetObjResult(interp, literals[LIT_INTEGER_VALUE_TOO_LARGE]);
	return TCL_ERROR;
    }

    /*
     * Convert UTC time to local.
     */

	}
	break;
    }
    case STR_IS_DIGIT:
	chcomp = Tcl_UniCharIsDigit;
	break;
    case STR_IS_DOUBLE: {
	if (Tcl_FetchIntRep(objPtr, &tclDoubleType) ||
		Tcl_FetchIntRep(objPtr, &tclIntType) ||
		Tcl_FetchIntRep(objPtr, &tclBignumType)) {
	    break;
	}
	string1 = TclGetStringFromObj(objPtr, &length1);
	if (length1 == 0) {
	    if (strict) {
		result = 0;
	    }
................................................................................
	break;
    }
    case STR_IS_GRAPH:
	chcomp = Tcl_UniCharIsGraph;
	break;
    case STR_IS_INT:
    case STR_IS_ENTIER:
	if (Tcl_FetchIntRep(objPtr, &tclIntType) ||
		Tcl_FetchIntRep(objPtr, &tclBignumType)) {
	    break;
	}
	string1 = TclGetStringFromObj(objPtr, &length1);
	if (length1 == 0) {
	    if (strict) {
		result = 0;
	    }
................................................................................

    /*
     * This test is tricky, but has to be that way or you get other strange
     * inconsistencies (see test string-10.20.1 for illustration why!)
     */

    if (!TclHasStringRep(objv[objc-2])
	    && Tcl_FetchIntRep(objv[objc-2], &tclDictType)){
	int i, done;
	Tcl_DictSearch search;

	/*
	 * We know the type exactly, so all dict operations will succeed for
	 * sure. This shortens this code quite a bit.
	 */

	}
	break;
    }
    case STR_IS_DIGIT:
	chcomp = Tcl_UniCharIsDigit;
	break;
    case STR_IS_DOUBLE: {
	if ((objPtr->typePtr == &tclDoubleType) ||
		(objPtr->typePtr == &tclIntType) ||
		(objPtr->typePtr == &tclBignumType)) {
	    break;
	}
	string1 = TclGetStringFromObj(objPtr, &length1);
	if (length1 == 0) {
	    if (strict) {
		result = 0;
	    }
................................................................................
	break;
    }
    case STR_IS_GRAPH:
	chcomp = Tcl_UniCharIsGraph;
	break;
    case STR_IS_INT:
    case STR_IS_ENTIER:
	if ((objPtr->typePtr == &tclIntType) ||
		(objPtr->typePtr == &tclBignumType)) {
	    break;
	}
	string1 = TclGetStringFromObj(objPtr, &length1);
	if (length1 == 0) {
	    if (strict) {
		result = 0;
	    }
................................................................................

    /*
     * This test is tricky, but has to be that way or you get other strange
     * inconsistencies (see test string-10.20.1 for illustration why!)
     */

    if (!TclHasStringRep(objv[objc-2])
	    && (objv[objc-2]->typePtr == &tclDictType)){
	int i, done;
	Tcl_DictSearch search;

	/*
	 * We know the type exactly, so all dict operations will succeed for
	 * sure. This shortens this code quite a bit.
	 */

    } while (0)



#define ByteCodeGetIntRep(objPtr, typePtr, codePtr)			\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), (typePtr));			\
	(codePtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)
 
/*
 * Opcodes for the Tcl bytecode instructions. These must correspond to the
 * entries in the table of instruction descriptions, tclInstructionTable, in
 * tclCompile.c. Also, the order and number of the expression opcodes (e.g.,

    } while (0)



#define ByteCodeGetIntRep(objPtr, typePtr, codePtr)			\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), (typePtr));			\
	(codePtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)
 
/*
 * Opcodes for the Tcl bytecode instructions. These must correspond to the
 * entries in the table of instruction descriptions, tclInstructionTable, in
 * tclCompile.c. Also, the order and number of the expression opcodes (e.g.,

        ir.twoPtrValue.ptr2 = NULL;                                     \
        Tcl_StoreIntRep((objPtr), &tclDictType, &ir);                   \
    } while (0)

#define DictGetIntRep(objPtr, dictRepPtr)				\
    do {                                                                \
        const Tcl_ObjIntRep *irPtr;                                     \
        irPtr = Tcl_FetchIntRep((objPtr), &tclDictType);                \
        (dictRepPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;          \
    } while (0)

/*
 * The type of the specially adapted version of the Tcl_Obj*-containing hash
 * table defined in the tclObj.c code. This version differs in that it
 * allocates a bit more space in each hash entry in order to hold the pointers
................................................................................

    /*
     * Since lists and dictionaries have very closely-related string
     * representations (i.e. the same parsing code) we can safely special-case
     * the conversion from lists to dictionaries.
     */

    if (Tcl_FetchIntRep(objPtr, &tclListType)) {
	int objc, i;
	Tcl_Obj **objv;

	/* Cannot fail, we already know the Tcl_ObjType is "list". */
	TclListObjGetElements(NULL, objPtr, &objc, &objv);
	if (objc & 1) {
	    goto missingValue;

        ir.twoPtrValue.ptr2 = NULL;                                     \
        Tcl_StoreIntRep((objPtr), &tclDictType, &ir);                   \
    } while (0)

#define DictGetIntRep(objPtr, dictRepPtr)				\
    do {                                                                \
        const Tcl_ObjIntRep *irPtr;                                     \
        irPtr = TclFetchIntRep((objPtr), &tclDictType);                \
        (dictRepPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;          \
    } while (0)

/*
 * The type of the specially adapted version of the Tcl_Obj*-containing hash
 * table defined in the tclObj.c code. This version differs in that it
 * allocates a bit more space in each hash entry in order to hold the pointers
................................................................................

    /*
     * Since lists and dictionaries have very closely-related string
     * representations (i.e. the same parsing code) we can safely special-case
     * the conversion from lists to dictionaries.
     */

    if (objPtr->typePtr == &tclListType) {
	int objc, i;
	Tcl_Obj **objv;

	/* Cannot fail, we already know the Tcl_ObjType is "list". */
	TclListObjGetElements(NULL, objPtr, &objc, &objv);
	if (objc & 1) {
	    goto missingValue;

	ir.wideValue = (inst);					\
	Tcl_StoreIntRep((objPtr), &instNameType, &ir);		\
    } while (0)

#define InstNameGetIntRep(objPtr, inst)				\
    do {							\
	const Tcl_ObjIntRep *irPtr;				\
	irPtr = Tcl_FetchIntRep((objPtr), &instNameType);	\
	assert(irPtr != NULL);					\
	(inst) = (size_t)irPtr->wideValue;			\
    } while (0)

 
/*
 *----------------------------------------------------------------------
................................................................................
	 */

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "script");
	    return TCL_ERROR;
	}

	if ((NULL == Tcl_FetchIntRep(objv[2], &tclByteCodeType)) && (TCL_OK
		!= TclSetByteCodeFromAny(interp, objv[2], NULL, NULL))) {
	    return TCL_ERROR;
	}
	codeObjPtr = objv[2];
	break;

    case DISAS_CLASS_CONSTRUCTOR:
................................................................................
	if (procPtr == NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "body not available for this kind of method", -1));
	    Tcl_SetErrorCode(interp, "TCL", "OPERATION", "DISASSEMBLE",
		    "METHODTYPE", NULL);
	    return TCL_ERROR;
	}
	if (NULL == Tcl_FetchIntRep(procPtr->bodyPtr, &tclByteCodeType)) {
	    Command cmd;

	    /*
	     * Yes, this is ugly, but we need to pass the namespace in to the
	     * compiler in two places.
	     */

	ir.wideValue = (inst);					\
	Tcl_StoreIntRep((objPtr), &instNameType, &ir);		\
    } while (0)

#define InstNameGetIntRep(objPtr, inst)				\
    do {							\
	const Tcl_ObjIntRep *irPtr;				\
	irPtr = TclFetchIntRep((objPtr), &instNameType);	\
	assert(irPtr != NULL);					\
	(inst) = (size_t)irPtr->wideValue;			\
    } while (0)

 
/*
 *----------------------------------------------------------------------
................................................................................
	 */

	if (objc != 3) {
	    Tcl_WrongNumArgs(interp, 2, objv, "script");
	    return TCL_ERROR;
	}

	if ((objv[2]->typePtr != &tclByteCodeType) && (TCL_OK
		!= TclSetByteCodeFromAny(interp, objv[2], NULL, NULL))) {
	    return TCL_ERROR;
	}
	codeObjPtr = objv[2];
	break;

    case DISAS_CLASS_CONSTRUCTOR:
................................................................................
	if (procPtr == NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "body not available for this kind of method", -1));
	    Tcl_SetErrorCode(interp, "TCL", "OPERATION", "DISASSEMBLE",
		    "METHODTYPE", NULL);
	    return TCL_ERROR;
	}
	if (procPtr->bodyPtr->typePtr != &tclByteCodeType) {
	    Command cmd;

	    /*
	     * Yes, this is ugly, but we need to pass the namespace in to the
	     * compiler in two places.
	     */

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &encodingType, &ir);			\
    } while (0)

#define EncodingGetIntRep(objPtr, encoding)				\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep ((objPtr), &encodingType);		\
	(encoding) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

 
/*
 *----------------------------------------------------------------------
 *

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &encodingType, &ir);			\
    } while (0)

#define EncodingGetIntRep(objPtr, encoding)				\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep ((objPtr), &encodingType);		\
	(encoding) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

 
/*
 *----------------------------------------------------------------------
 *

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &ensembleCmdType, &ir);		\
    } while (0)

#define ECRGetIntRep(objPtr, ecRepPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &ensembleCmdType);		\
	(ecRepPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

/*
 * The internal rep for caching ensemble subcommand lookups and spelling
 * corrections.
 */

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &ensembleCmdType, &ir);		\
    } while (0)

#define ECRGetIntRep(objPtr, ecRepPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &ensembleCmdType);		\
	(ecRepPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

/*
 * The internal rep for caching ensemble subcommand lookups and spelling
 * corrections.
 */

ReleaseDictIterator(
    Tcl_Obj *objPtr)
{
    Tcl_DictSearch *searchPtr;
    Tcl_Obj *dictPtr;
    const Tcl_ObjIntRep *irPtr;

    irPtr = Tcl_FetchIntRep(objPtr, &dictIteratorType);
    assert(irPtr != NULL);

    /*
     * First kill the search, and then release the reference to the dictionary
     * that we were holding.
     */

................................................................................
	TRACE(("\"%.30s\" \"%.30s\" => ", O2S(valuePtr), O2S(value2Ptr)));

	/*
	 * Extract the desired list element.
	 */

	if ((TclListObjGetElements(interp, valuePtr, &objc, &objv) == TCL_OK)
		&& (NULL == Tcl_FetchIntRep(value2Ptr, &tclListType))
		&& (TclGetIntForIndexM(NULL, value2Ptr, objc-1,
			&index) == TCL_OK)) {
	    TclDecrRefCount(value2Ptr);
	    tosPtr--;
	    pcAdjustment = 1;
	    goto lindexFastPath;
	}
................................................................................
	    TclNewObj(statePtr);
	    ir.twoPtrValue.ptr1 = searchPtr;
	    ir.twoPtrValue.ptr2 = dictPtr;
	    Tcl_StoreIntRep(statePtr, &dictIteratorType, &ir);
	}
	varPtr = LOCAL(opnd);
	if (varPtr->value.objPtr) {
	    if (Tcl_FetchIntRep(varPtr->value.objPtr, &dictIteratorType)) {
		Tcl_Panic("mis-issued dictFirst!");
	    }
	    TclDecrRefCount(varPtr->value.objPtr);
	}
	varPtr->value.objPtr = statePtr;
	Tcl_IncrRefCount(statePtr);
	goto pushDictIteratorResult;
................................................................................
	opnd = TclGetUInt4AtPtr(pc+1);
	TRACE(("%u => ", opnd));
	statePtr = (*LOCAL(opnd)).value.objPtr;
	{
	    const Tcl_ObjIntRep *irPtr;

	    if (statePtr &&
		    (irPtr = Tcl_FetchIntRep(statePtr, &dictIteratorType))) {
		searchPtr = irPtr->twoPtrValue.ptr1;
		Tcl_DictObjNext(searchPtr, &keyPtr, &valuePtr, &done);
	    } else {
		Tcl_Panic("mis-issued dictNext!");
	    }
	}
    pushDictIteratorResult:
................................................................................
    objBytesIfUnshared = 0.0;
    strBytesIfUnshared = 0.0;
    strBytesSharedMultX = 0.0;
    strBytesSharedOnce = 0.0;
    for (i = 0;  i < globalTablePtr->numBuckets;  i++) {
	for (entryPtr = globalTablePtr->buckets[i];  entryPtr != NULL;
		entryPtr = entryPtr->nextPtr) {
	    if (NULL != Tcl_FetchIntRep(entryPtr->objPtr, &tclByteCodeType)) {
		numByteCodeLits++;
	    }
	    (void) TclGetStringFromObj(entryPtr->objPtr, &length);
	    refCountSum += entryPtr->refCount;
	    objBytesIfUnshared += (entryPtr->refCount * sizeof(Tcl_Obj));
	    strBytesIfUnshared += (entryPtr->refCount * (length+1));
	    if (entryPtr->refCount > 1) {

ReleaseDictIterator(
    Tcl_Obj *objPtr)
{
    Tcl_DictSearch *searchPtr;
    Tcl_Obj *dictPtr;
    const Tcl_ObjIntRep *irPtr;

    irPtr = TclFetchIntRep(objPtr, &dictIteratorType);
    assert(irPtr != NULL);

    /*
     * First kill the search, and then release the reference to the dictionary
     * that we were holding.
     */

................................................................................
	TRACE(("\"%.30s\" \"%.30s\" => ", O2S(valuePtr), O2S(value2Ptr)));

	/*
	 * Extract the desired list element.
	 */

	if ((TclListObjGetElements(interp, valuePtr, &objc, &objv) == TCL_OK)
		&& (value2Ptr->typePtr != &tclListType)
		&& (TclGetIntForIndexM(NULL, value2Ptr, objc-1,
			&index) == TCL_OK)) {
	    TclDecrRefCount(value2Ptr);
	    tosPtr--;
	    pcAdjustment = 1;
	    goto lindexFastPath;
	}
................................................................................
	    TclNewObj(statePtr);
	    ir.twoPtrValue.ptr1 = searchPtr;
	    ir.twoPtrValue.ptr2 = dictPtr;
	    Tcl_StoreIntRep(statePtr, &dictIteratorType, &ir);
	}
	varPtr = LOCAL(opnd);
	if (varPtr->value.objPtr) {
	    if (varPtr->value.objPtr->typePtr == &dictIteratorType) {
		Tcl_Panic("mis-issued dictFirst!");
	    }
	    TclDecrRefCount(varPtr->value.objPtr);
	}
	varPtr->value.objPtr = statePtr;
	Tcl_IncrRefCount(statePtr);
	goto pushDictIteratorResult;
................................................................................
	opnd = TclGetUInt4AtPtr(pc+1);
	TRACE(("%u => ", opnd));
	statePtr = (*LOCAL(opnd)).value.objPtr;
	{
	    const Tcl_ObjIntRep *irPtr;

	    if (statePtr &&
		    (irPtr = TclFetchIntRep(statePtr, &dictIteratorType))) {
		searchPtr = irPtr->twoPtrValue.ptr1;
		Tcl_DictObjNext(searchPtr, &keyPtr, &valuePtr, &done);
	    } else {
		Tcl_Panic("mis-issued dictNext!");
	    }
	}
    pushDictIteratorResult:
................................................................................
    objBytesIfUnshared = 0.0;
    strBytesIfUnshared = 0.0;
    strBytesSharedMultX = 0.0;
    strBytesSharedOnce = 0.0;
    for (i = 0;  i < globalTablePtr->numBuckets;  i++) {
	for (entryPtr = globalTablePtr->buckets[i];  entryPtr != NULL;
		entryPtr = entryPtr->nextPtr) {
	    if (entryPtr->objPtr->typePtr == &tclByteCodeType) {
		numByteCodeLits++;
	    }
	    (void) TclGetStringFromObj(entryPtr->objPtr, &length);
	    refCountSum += entryPtr->refCount;
	    objBytesIfUnshared += (entryPtr->refCount * sizeof(Tcl_Obj));
	    strBytesIfUnshared += (entryPtr->refCount * (length+1));
	    if (entryPtr->refCount > 1) {

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &chanObjType, &ir);			\
    } while (0)

#define ChanGetIntRep(objPtr, resPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &chanObjType);		\
	(resPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

#define BUSY_STATE(st, fl) \
     ((((st)->csPtrR) && ((fl) & TCL_READABLE)) || \
      (((st)->csPtrW) && ((fl) & TCL_WRITABLE)))

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &chanObjType, &ir);			\
    } while (0)

#define ChanGetIntRep(objPtr, resPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &chanObjType);		\
	(resPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

#define BUSY_STATE(st, fl) \
     ((((st)->csPtrR) && ((fl) & TCL_READABLE)) || \
      (((st)->csPtrW) && ((fl) & TCL_WRITABLE)))

	offset = sizeof(char *);
    }
    /*
     * See if there is a valid cached result from a previous lookup.
     */

    if (!(flags & INDEX_TEMP_TABLE)) {
    irPtr = Tcl_FetchIntRep(objPtr, &indexType);
    if (irPtr) {
	indexRep = irPtr->twoPtrValue.ptr1;
	if (indexRep->tablePtr==tablePtr && indexRep->offset==offset) {
	    *indexPtr = indexRep->index;
	    return TCL_OK;
	}
    }
................................................................................
    /*
     * Cache the found representation. Note that we want to avoid allocating a
     * new internal-rep if at all possible since that is potentially a slow
     * operation.
     */

    if (!(flags & INDEX_TEMP_TABLE)) {
    irPtr = Tcl_FetchIntRep(objPtr, &indexType);
    if (irPtr) {
	indexRep = irPtr->twoPtrValue.ptr1;
    } else {
	Tcl_ObjIntRep ir;

	indexRep = Tcl_Alloc(sizeof(IndexRep));
	ir.twoPtrValue.ptr1 = indexRep;
................................................................................
 *----------------------------------------------------------------------
 */

static void
UpdateStringOfIndex(
    Tcl_Obj *objPtr)
{
    IndexRep *indexRep = Tcl_FetchIntRep(objPtr, &indexType)->twoPtrValue.ptr1;
    register const char *indexStr = EXPAND_OF(indexRep);

    Tcl_InitStringRep(objPtr, indexStr, strlen(indexStr));
}
 
/*
 *----------------------------------------------------------------------
................................................................................
DupIndex(
    Tcl_Obj *srcPtr,
    Tcl_Obj *dupPtr)
{
    Tcl_ObjIntRep ir;
    IndexRep *dupIndexRep = Tcl_Alloc(sizeof(IndexRep));

    memcpy(dupIndexRep, Tcl_FetchIntRep(srcPtr, &indexType)->twoPtrValue.ptr1,
	    sizeof(IndexRep));

    ir.twoPtrValue.ptr1 = dupIndexRep;
    Tcl_StoreIntRep(dupPtr, &indexType, &ir);
}
 
/*
................................................................................
 *----------------------------------------------------------------------
 */

static void
FreeIndex(
    Tcl_Obj *objPtr)
{
    Tcl_Free(Tcl_FetchIntRep(objPtr, &indexType)->twoPtrValue.ptr1);
    objPtr->typePtr = NULL;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclInitPrefixCmd --
................................................................................

	for (i=0 ; i<toPrint ; i++) {
	    /*
	     * Add the element, quoting it if necessary.
	     */
	    const Tcl_ObjIntRep *irPtr;

	    if ((irPtr = Tcl_FetchIntRep(origObjv[i], &indexType))) {
		register IndexRep *indexRep = irPtr->twoPtrValue.ptr1;

		elementStr = EXPAND_OF(indexRep);
		elemLen = strlen(elementStr);
	    } else {
		elementStr = TclGetStringFromObj(origObjv[i], &elemLen);
	    }
................................................................................
	/*
	 * If the object is an index type use the index table which allows for
	 * the correct error message even if the subcommand was abbreviated.
	 * Otherwise, just use the string rep.
	 */
	const Tcl_ObjIntRep *irPtr;

	if ((irPtr = Tcl_FetchIntRep(objv[i], &indexType))) {
	    register IndexRep *indexRep = irPtr->twoPtrValue.ptr1;

	    Tcl_AppendStringsToObj(objPtr, EXPAND_OF(indexRep), NULL);
	} else {
	    /*
	     * Quote the argument if it contains spaces (Bug 942757).
	     */

	offset = sizeof(char *);
    }
    /*
     * See if there is a valid cached result from a previous lookup.
     */

    if (!(flags & INDEX_TEMP_TABLE)) {
    irPtr = TclFetchIntRep(objPtr, &indexType);
    if (irPtr) {
	indexRep = irPtr->twoPtrValue.ptr1;
	if (indexRep->tablePtr==tablePtr && indexRep->offset==offset) {
	    *indexPtr = indexRep->index;
	    return TCL_OK;
	}
    }
................................................................................
    /*
     * Cache the found representation. Note that we want to avoid allocating a
     * new internal-rep if at all possible since that is potentially a slow
     * operation.
     */

    if (!(flags & INDEX_TEMP_TABLE)) {
    irPtr = TclFetchIntRep(objPtr, &indexType);
    if (irPtr) {
	indexRep = irPtr->twoPtrValue.ptr1;
    } else {
	Tcl_ObjIntRep ir;

	indexRep = Tcl_Alloc(sizeof(IndexRep));
	ir.twoPtrValue.ptr1 = indexRep;
................................................................................
 *----------------------------------------------------------------------
 */

static void
UpdateStringOfIndex(
    Tcl_Obj *objPtr)
{
    IndexRep *indexRep = TclFetchIntRep(objPtr, &indexType)->twoPtrValue.ptr1;
    register const char *indexStr = EXPAND_OF(indexRep);

    Tcl_InitStringRep(objPtr, indexStr, strlen(indexStr));
}
 
/*
 *----------------------------------------------------------------------
................................................................................
DupIndex(
    Tcl_Obj *srcPtr,
    Tcl_Obj *dupPtr)
{
    Tcl_ObjIntRep ir;
    IndexRep *dupIndexRep = Tcl_Alloc(sizeof(IndexRep));

    memcpy(dupIndexRep, TclFetchIntRep(srcPtr, &indexType)->twoPtrValue.ptr1,
	    sizeof(IndexRep));

    ir.twoPtrValue.ptr1 = dupIndexRep;
    Tcl_StoreIntRep(dupPtr, &indexType, &ir);
}
 
/*
................................................................................
 *----------------------------------------------------------------------
 */

static void
FreeIndex(
    Tcl_Obj *objPtr)
{
    Tcl_Free(TclFetchIntRep(objPtr, &indexType)->twoPtrValue.ptr1);
    objPtr->typePtr = NULL;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclInitPrefixCmd --
................................................................................

	for (i=0 ; i<toPrint ; i++) {
	    /*
	     * Add the element, quoting it if necessary.
	     */
	    const Tcl_ObjIntRep *irPtr;

	    if ((irPtr = TclFetchIntRep(origObjv[i], &indexType))) {
		register IndexRep *indexRep = irPtr->twoPtrValue.ptr1;

		elementStr = EXPAND_OF(indexRep);
		elemLen = strlen(elementStr);
	    } else {
		elementStr = TclGetStringFromObj(origObjv[i], &elemLen);
	    }
................................................................................
	/*
	 * If the object is an index type use the index table which allows for
	 * the correct error message even if the subcommand was abbreviated.
	 * Otherwise, just use the string rep.
	 */
	const Tcl_ObjIntRep *irPtr;

	if ((irPtr = TclFetchIntRep(objv[i], &indexType))) {
	    register IndexRep *indexRep = irPtr->twoPtrValue.ptr1;

	    Tcl_AppendStringsToObj(objPtr, EXPAND_OF(indexRep), NULL);
	} else {
	    /*
	     * Quote the argument if it contains spaces (Bug 942757).
	     */

 * MODULE_SCOPE int	TclIsPureByteArray(Tcl_Obj *objPtr);
 *----------------------------------------------------------------
 */

MODULE_SCOPE int	TclIsPureByteArray(Tcl_Obj *objPtr);
#define TclIsPureDict(objPtr) \
	(((objPtr)->bytes==NULL) && ((objPtr)->typePtr==&tclDictType))




/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to compare Unicode strings. On big-endian
 * systems we can use the more efficient memcmp, but this would not be
 * lexically correct on little-endian systems. The ANSI C "prototype" for

 * MODULE_SCOPE int	TclIsPureByteArray(Tcl_Obj *objPtr);
 *----------------------------------------------------------------
 */

MODULE_SCOPE int	TclIsPureByteArray(Tcl_Obj *objPtr);
#define TclIsPureDict(objPtr) \
	(((objPtr)->bytes==NULL) && ((objPtr)->typePtr==&tclDictType))
#define TclFetchIntRep(objPtr, type) \
	(((objPtr)->typePtr == type) ? &((objPtr)->internalRep) : NULL)


/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to compare Unicode strings. On big-endian
 * systems we can use the more efficient memcmp, but this would not be
 * lexically correct on little-endian systems. The ANSI C "prototype" for

	}
	LinkedVar(Tcl_WideInt) = linkPtr->lastValue.w;
	break;

    case TCL_LINK_DOUBLE:
	if (Tcl_GetDoubleFromObj(NULL, valueObj, &linkPtr->lastValue.d) != TCL_OK) {
#ifdef ACCEPT_NAN
	    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(valueObj, &tclDoubleType);
	    if (irPtr == NULL) {
#endif
		if (GetInvalidDoubleFromObj(valueObj, &linkPtr->lastValue.d) != TCL_OK) {
		    Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
			TCL_GLOBAL_ONLY);
		    return (char *) "variable must have real value";
		}

	}
	LinkedVar(Tcl_WideInt) = linkPtr->lastValue.w;
	break;

    case TCL_LINK_DOUBLE:
	if (Tcl_GetDoubleFromObj(NULL, valueObj, &linkPtr->lastValue.d) != TCL_OK) {
#ifdef ACCEPT_NAN
	    Tcl_ObjIntRep *irPtr = TclFetchIntRep(valueObj, &tclDoubleType);
	    if (irPtr == NULL) {
#endif
		if (GetInvalidDoubleFromObj(valueObj, &linkPtr->lastValue.d) != TCL_OK) {
		    Tcl_ObjSetVar2(interp, linkPtr->varName, NULL, ObjValue(linkPtr),
			TCL_GLOBAL_ONLY);
		    return (char *) "variable must have real value";
		}

	(listRepPtr)->refCount++;					\
	Tcl_StoreIntRep((objPtr), &tclListType, &ir);			\
    } while (0)

#define ListGetIntRep(objPtr, listRepPtr)				\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &tclListType);		\
	(listRepPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

#define ListResetIntRep(objPtr, listRepPtr) \
    Tcl_FetchIntRep((objPtr), &tclListType)->twoPtrValue.ptr1 = (listRepPtr)

#ifndef TCL_MIN_ELEMENT_GROWTH
#define TCL_MIN_ELEMENT_GROWTH TCL_MIN_GROWTH/sizeof(Tcl_Obj *)
#endif
 
/*
 *----------------------------------------------------------------------
................................................................................
	     * variable.  Later on, when we set valuePtr in its proper place,
	     * then all containing lists will have their values changed, and
	     * will need their string reps spoiled.  We maintain a list of all
	     * those Tcl_Obj's (via a little intrep surgery) so we can spoil
	     * them at that time.
	     */

	    irPtr = Tcl_FetchIntRep(parentList, &tclListType);
	    irPtr->twoPtrValue.ptr2 = chainPtr;
	    chainPtr = parentList;
	}
    } while (indexCount > 0);

    /*
     * Either we've detected and error condition, and exited the loop with
................................................................................
	Tcl_Obj *objPtr = chainPtr;
	List *listRepPtr;

	/*
	 * Clear away our intrep surgery mess.
	 */

	irPtr = Tcl_FetchIntRep(objPtr, &tclListType);
	listRepPtr = irPtr->twoPtrValue.ptr1;
	chainPtr = irPtr->twoPtrValue.ptr2;

	if (result == TCL_OK) {

	    /*
	     * We're going to store valuePtr, so spoil string reps of all
................................................................................
     * Dictionaries are a special case; they have a string representation such
     * that *all* valid dictionaries are valid lists. Hence we can convert
     * more directly. Only do this when there's no existing string rep; if
     * there is, it is the string rep that's authoritative (because it could
     * describe duplicate keys).
     */

    if (!TclHasStringRep(objPtr) && Tcl_FetchIntRep(objPtr, &tclDictType)) {
	Tcl_Obj *keyPtr, *valuePtr;
	Tcl_DictSearch search;
	int done, size;

	/*
	 * Create the new list representation. Note that we do not need to do
	 * anything with the string representation as the transformation (and

	(listRepPtr)->refCount++;					\
	Tcl_StoreIntRep((objPtr), &tclListType, &ir);			\
    } while (0)

#define ListGetIntRep(objPtr, listRepPtr)				\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &tclListType);		\
	(listRepPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

#define ListResetIntRep(objPtr, listRepPtr) \
    TclFetchIntRep((objPtr), &tclListType)->twoPtrValue.ptr1 = (listRepPtr)

#ifndef TCL_MIN_ELEMENT_GROWTH
#define TCL_MIN_ELEMENT_GROWTH TCL_MIN_GROWTH/sizeof(Tcl_Obj *)
#endif
 
/*
 *----------------------------------------------------------------------
................................................................................
	     * variable.  Later on, when we set valuePtr in its proper place,
	     * then all containing lists will have their values changed, and
	     * will need their string reps spoiled.  We maintain a list of all
	     * those Tcl_Obj's (via a little intrep surgery) so we can spoil
	     * them at that time.
	     */

	    irPtr = TclFetchIntRep(parentList, &tclListType);
	    irPtr->twoPtrValue.ptr2 = chainPtr;
	    chainPtr = parentList;
	}
    } while (indexCount > 0);

    /*
     * Either we've detected and error condition, and exited the loop with
................................................................................
	Tcl_Obj *objPtr = chainPtr;
	List *listRepPtr;

	/*
	 * Clear away our intrep surgery mess.
	 */

	irPtr = TclFetchIntRep(objPtr, &tclListType);
	listRepPtr = irPtr->twoPtrValue.ptr1;
	chainPtr = irPtr->twoPtrValue.ptr2;

	if (result == TCL_OK) {

	    /*
	     * We're going to store valuePtr, so spoil string reps of all
................................................................................
     * Dictionaries are a special case; they have a string representation such
     * that *all* valid dictionaries are valid lists. Hence we can convert
     * more directly. Only do this when there's no existing string rep; if
     * there is, it is the string rep that's authoritative (because it could
     * describe duplicate keys).
     */

    if (!TclHasStringRep(objPtr) && (objPtr->typePtr == &tclDictType)) {
	Tcl_Obj *keyPtr, *valuePtr;
	Tcl_DictSearch search;
	int done, size;

	/*
	 * Create the new list representation. Note that we do not need to do
	 * anything with the string representation as the transformation (and

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &nsNameType, &ir);			\
    } while (0)

#define NsNameGetIntRep(objPtr, nnPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &nsNameType);			\
	(nnPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

/*
 * Array of values describing how to implement each standard subcommand of the
 * "namespace" command.
 */

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &nsNameType, &ir);			\
    } while (0)

#define NsNameGetIntRep(objPtr, nnPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &nsNameType);			\
	(nnPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

/*
 * Array of values describing how to implement each standard subcommand of the
 * "namespace" command.
 */

static void
DupMethodNameRep(
    Tcl_Obj *srcPtr,
    Tcl_Obj *dstPtr)
{
    StashCallChain(dstPtr,
	    Tcl_FetchIntRep(srcPtr, &methodNameType)->twoPtrValue.ptr1);
}

static void
FreeMethodNameRep(
    Tcl_Obj *objPtr)
{
    TclOODeleteChain(
	    Tcl_FetchIntRep(objPtr, &methodNameType)->twoPtrValue.ptr1);
}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOInvokeContext --
 *
................................................................................
	 * there are multiple different layers of cache (in the Tcl_Obj, in
	 * the object, and in the class).
	 */

	const Tcl_ObjIntRep *irPtr;
	const int reuseMask = (WANT_PUBLIC(flags) ? ~0 : ~PUBLIC_METHOD);

	if ((irPtr = Tcl_FetchIntRep(cacheInThisObj, &methodNameType))) {
	    callPtr = irPtr->twoPtrValue.ptr1;
	    if (IsStillValid(callPtr, oPtr, flags, reuseMask)) {
		callPtr->refCount++;
		goto returnContext;
	    }
	    Tcl_StoreIntRep(cacheInThisObj, &methodNameType, NULL);
	}

static void
DupMethodNameRep(
    Tcl_Obj *srcPtr,
    Tcl_Obj *dstPtr)
{
    StashCallChain(dstPtr,
	    TclFetchIntRep(srcPtr, &methodNameType)->twoPtrValue.ptr1);
}

static void
FreeMethodNameRep(
    Tcl_Obj *objPtr)
{
    TclOODeleteChain(
	    TclFetchIntRep(objPtr, &methodNameType)->twoPtrValue.ptr1);
}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOInvokeContext --
 *
................................................................................
	 * there are multiple different layers of cache (in the Tcl_Obj, in
	 * the object, and in the class).
	 */

	const Tcl_ObjIntRep *irPtr;
	const int reuseMask = (WANT_PUBLIC(flags) ? ~0 : ~PUBLIC_METHOD);

	if ((irPtr = TclFetchIntRep(cacheInThisObj, &methodNameType))) {
	    callPtr = irPtr->twoPtrValue.ptr1;
	    if (IsStillValid(callPtr, oPtr, flags, reuseMask)) {
		callPtr->refCount++;
		goto returnContext;
	    }
	    Tcl_StoreIntRep(cacheInThisObj, &methodNameType, NULL);
	}

 */

Tcl_ObjIntRep *
Tcl_FetchIntRep(
    Tcl_Obj *objPtr,		/* Object to fetch from. */
    const Tcl_ObjType *typePtr)	/* Requested type */
{
    /* If objPtr type doesn't match request, nothing can be fetched */
    if (objPtr->typePtr != typePtr) {
	return NULL;
    }

    /* Type match! objPtr IntRep is the one sought. */
    return &(objPtr->internalRep);
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_FreeIntRep --
 *

 */

Tcl_ObjIntRep *
Tcl_FetchIntRep(
    Tcl_Obj *objPtr,		/* Object to fetch from. */
    const Tcl_ObjType *typePtr)	/* Requested type */
{
    return TclFetchIntRep(objPtr, typePtr);






}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_FreeIntRep --
 *

#define TCLPATH_NEEDNORM 4

/*
 * Define some macros to give us convenient access to path-object specific
 * fields.
 */

#define PATHOBJ(pathPtr) ((FsPath *) (Tcl_FetchIntRep((pathPtr), &fsPathType)->twoPtrValue.ptr1))
#define SETPATHOBJ(pathPtr,fsPathPtr) \
	do {							\
		Tcl_ObjIntRep ir;				\
		ir.twoPtrValue.ptr1 = (void *) (fsPathPtr);	\
		ir.twoPtrValue.ptr2 = NULL;			\
		Tcl_StoreIntRep((pathPtr), &fsPathType, &ir);	\
	} while (0)
................................................................................

Tcl_Obj *
TclPathPart(
    Tcl_Interp *interp,		/* Used for error reporting */
    Tcl_Obj *pathPtr,		/* Path to take dirname of */
    Tcl_PathPart portion)	/* Requested portion of name */
{
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	FsPath *fsPathPtr = PATHOBJ(pathPtr);

	if (PATHFLAGS(pathPtr) != 0) {
	    switch (portion) {
	    case TCL_PATH_DIRNAME: {
................................................................................
	return Tcl_NewObj();
    }

    assert ( elements > 0 );

    if (elements == 2) {
	Tcl_Obj *elt = objv[0];
	Tcl_ObjIntRep *eltIr = Tcl_FetchIntRep(elt, &fsPathType);

	/*
	 * This is a special case where we can be much more efficient, where
	 * we are joining a single relative path onto an object that is
	 * already of path type. The 'TclNewFSPathObj' call below creates an
	 * object which can be normalized more efficiently. Currently we only
	 * use the special case when we have exactly two elements, but we
................................................................................
int
Tcl_FSConvertToPathType(
    Tcl_Interp *interp,		/* Interpreter in which to store error message
				 * (if necessary). */
    Tcl_Obj *pathPtr)		/* Object to convert to a valid, current path
				 * type. */
{
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    /*
     * While it is bad practice to examine an object's type directly, this is
     * actually the best thing to do here. The reason is that if we are
     * converting this object to FsPath type for the first time, we don't need
     * to worry whether the 'cwd' has changed. On the other hand, if this
     * object is already of FsPath type, and is a relative path, we do have to
................................................................................
TclFSMakePathRelative(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
    Tcl_Obj *pathPtr,		/* The path we have. */
    Tcl_Obj *cwdPtr)		/* Make it relative to this. */
{
    int cwdLen, len;
    const char *tempStr;
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	FsPath *fsPathPtr = PATHOBJ(pathPtr);

	if (PATHFLAGS(pathPtr) != 0 && fsPathPtr->cwdPtr == cwdPtr) {
	    return fsPathPtr->normPathPtr;
	}
................................................................................

static int
MakePathFromNormalized(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
    Tcl_Obj *pathPtr)		/* The object to convert. */
{
    FsPath *fsPathPtr;
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	return TCL_OK;
    }

    fsPathPtr = Tcl_Alloc(sizeof(FsPath));

................................................................................
	    if (translatedCwdPtr == NULL) {
		return NULL;
	    }

	    retObj = Tcl_FSJoinToPath(translatedCwdPtr, 1,
		    &srcFsPathPtr->normPathPtr);
	    Tcl_IncrRefCount(srcFsPathPtr->translatedPathPtr = retObj);
	    translatedCwdIrPtr = Tcl_FetchIntRep(translatedCwdPtr, &fsPathType);
	    if (translatedCwdIrPtr) {
		srcFsPathPtr->filesystemEpoch
			= PATHOBJ(translatedCwdPtr)->filesystemEpoch;
	    } else {
		srcFsPathPtr->filesystemEpoch = 0;
	    }
	    Tcl_DecrRefCount(translatedCwdPtr);
................................................................................

int
TclFSEnsureEpochOk(
    Tcl_Obj *pathPtr,
    const Tcl_Filesystem **fsPtrPtr)
{
    FsPath *srcFsPathPtr;
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    if (irPtr == NULL) {
	return TCL_OK;
    }

    srcFsPathPtr = PATHOBJ(pathPtr);

................................................................................
void
TclFSSetPathDetails(
    Tcl_Obj *pathPtr,
    const Tcl_Filesystem *fsPtr,
    ClientData clientData)
{
    FsPath *srcFsPathPtr;
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);;

    /*
     * Make sure pathPtr is of the correct type.
     */

    if (irPtr == NULL) {
	if (SetFsPathFromAny(NULL, pathPtr) != TCL_OK) {
................................................................................
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
    Tcl_Obj *pathPtr)		/* The object to convert. */
{
    size_t len;
    FsPath *fsPathPtr;
    Tcl_Obj *transPtr;
    char *name;
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	return TCL_OK;
    }

    /*
     * First step is to translate the filename. This is similar to
................................................................................
 */

int
TclNativePathInFilesystem(
    Tcl_Obj *pathPtr,
    ClientData *clientDataPtr)
{
    Tcl_ObjIntRep *irPtr = Tcl_FetchIntRep(pathPtr, &fsPathType);

    /*
     * A special case is required to handle the empty path "". This is a valid
     * path (i.e. the user should be able to do 'file exists ""' without
     * throwing an error), but equally the path doesn't exist. Those are the
     * semantics of Tcl (at present anyway), so we have to abide by them here.
     */

#define TCLPATH_NEEDNORM 4

/*
 * Define some macros to give us convenient access to path-object specific
 * fields.
 */

#define PATHOBJ(pathPtr) ((FsPath *) (TclFetchIntRep((pathPtr), &fsPathType)->twoPtrValue.ptr1))
#define SETPATHOBJ(pathPtr,fsPathPtr) \
	do {							\
		Tcl_ObjIntRep ir;				\
		ir.twoPtrValue.ptr1 = (void *) (fsPathPtr);	\
		ir.twoPtrValue.ptr2 = NULL;			\
		Tcl_StoreIntRep((pathPtr), &fsPathType, &ir);	\
	} while (0)
................................................................................

Tcl_Obj *
TclPathPart(
    Tcl_Interp *interp,		/* Used for error reporting */
    Tcl_Obj *pathPtr,		/* Path to take dirname of */
    Tcl_PathPart portion)	/* Requested portion of name */
{
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	FsPath *fsPathPtr = PATHOBJ(pathPtr);

	if (PATHFLAGS(pathPtr) != 0) {
	    switch (portion) {
	    case TCL_PATH_DIRNAME: {
................................................................................
	return Tcl_NewObj();
    }

    assert ( elements > 0 );

    if (elements == 2) {
	Tcl_Obj *elt = objv[0];
	Tcl_ObjIntRep *eltIr = TclFetchIntRep(elt, &fsPathType);

	/*
	 * This is a special case where we can be much more efficient, where
	 * we are joining a single relative path onto an object that is
	 * already of path type. The 'TclNewFSPathObj' call below creates an
	 * object which can be normalized more efficiently. Currently we only
	 * use the special case when we have exactly two elements, but we
................................................................................
int
Tcl_FSConvertToPathType(
    Tcl_Interp *interp,		/* Interpreter in which to store error message
				 * (if necessary). */
    Tcl_Obj *pathPtr)		/* Object to convert to a valid, current path
				 * type. */
{
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    /*
     * While it is bad practice to examine an object's type directly, this is
     * actually the best thing to do here. The reason is that if we are
     * converting this object to FsPath type for the first time, we don't need
     * to worry whether the 'cwd' has changed. On the other hand, if this
     * object is already of FsPath type, and is a relative path, we do have to
................................................................................
TclFSMakePathRelative(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
    Tcl_Obj *pathPtr,		/* The path we have. */
    Tcl_Obj *cwdPtr)		/* Make it relative to this. */
{
    int cwdLen, len;
    const char *tempStr;
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	FsPath *fsPathPtr = PATHOBJ(pathPtr);

	if (PATHFLAGS(pathPtr) != 0 && fsPathPtr->cwdPtr == cwdPtr) {
	    return fsPathPtr->normPathPtr;
	}
................................................................................

static int
MakePathFromNormalized(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
    Tcl_Obj *pathPtr)		/* The object to convert. */
{
    FsPath *fsPathPtr;
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	return TCL_OK;
    }

    fsPathPtr = Tcl_Alloc(sizeof(FsPath));

................................................................................
	    if (translatedCwdPtr == NULL) {
		return NULL;
	    }

	    retObj = Tcl_FSJoinToPath(translatedCwdPtr, 1,
		    &srcFsPathPtr->normPathPtr);
	    Tcl_IncrRefCount(srcFsPathPtr->translatedPathPtr = retObj);
	    translatedCwdIrPtr = TclFetchIntRep(translatedCwdPtr, &fsPathType);
	    if (translatedCwdIrPtr) {
		srcFsPathPtr->filesystemEpoch
			= PATHOBJ(translatedCwdPtr)->filesystemEpoch;
	    } else {
		srcFsPathPtr->filesystemEpoch = 0;
	    }
	    Tcl_DecrRefCount(translatedCwdPtr);
................................................................................

int
TclFSEnsureEpochOk(
    Tcl_Obj *pathPtr,
    const Tcl_Filesystem **fsPtrPtr)
{
    FsPath *srcFsPathPtr;
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    if (irPtr == NULL) {
	return TCL_OK;
    }

    srcFsPathPtr = PATHOBJ(pathPtr);

................................................................................
void
TclFSSetPathDetails(
    Tcl_Obj *pathPtr,
    const Tcl_Filesystem *fsPtr,
    ClientData clientData)
{
    FsPath *srcFsPathPtr;
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);;

    /*
     * Make sure pathPtr is of the correct type.
     */

    if (irPtr == NULL) {
	if (SetFsPathFromAny(NULL, pathPtr) != TCL_OK) {
................................................................................
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
    Tcl_Obj *pathPtr)		/* The object to convert. */
{
    size_t len;
    FsPath *fsPathPtr;
    Tcl_Obj *transPtr;
    char *name;
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    if (irPtr) {
	return TCL_OK;
    }

    /*
     * First step is to translate the filename. This is similar to
................................................................................
 */

int
TclNativePathInFilesystem(
    Tcl_Obj *pathPtr,
    ClientData *clientDataPtr)
{
    Tcl_ObjIntRep *irPtr = TclFetchIntRep(pathPtr, &fsPathType);

    /*
     * A special case is required to handle the empty path "". This is a valid
     * path (i.e. the user should be able to do 'file exists ""' without
     * throwing an error), but equally the path doesn't exist. Those are the
     * semantics of Tcl (at present anyway), so we have to abide by them here.
     */

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &tclProcBodyType, &ir);		\
    } while (0)

#define ProcGetIntRep(objPtr, procPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &tclProcBodyType);		\
	(procPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

/*
 * The [upvar]/[uplevel] level reference type. Uses the longValue field
 * to remember the integer value of a parsed #<integer> format.
 *
................................................................................
	Tcl_IncrRefCount((nsObjPtr));					\
	Tcl_StoreIntRep((objPtr), &lambdaType, &ir);			\
    } while (0)

#define LambdaGetIntRep(objPtr, procPtr, nsObjPtr)			\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &lambdaType);			\
	(procPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
	(nsObjPtr) = irPtr ? irPtr->twoPtrValue.ptr2 : NULL;		\
    } while (0)

 
/*
 *----------------------------------------------------------------------
................................................................................
     *	   seem to make a lot of sense to verify the number of arguments we
     *	   are about to ignore ...
     *	 - could be enhanced to handle also non-empty bodies that contain only
     *	   comments; however, parsing the body will slow down the compilation
     *	   of all procs whose argument list is just _args_
     */

    if (Tcl_FetchIntRep(objv[3], &tclProcBodyType)) {
	goto done;
    }

    procArgs = TclGetString(objv[2]);

    while (*procArgs == ' ') {
	procArgs++;
................................................................................
	Tcl_GetWideIntFromObj(NULL, objPtr, &w);
	if (w < 0 || w > INT_MAX || curLevel > w + INT_MAX) {
	    result = -1;
	} else {
	    level = curLevel - level;
	    result = 1;
	}
    } else if ((irPtr = Tcl_FetchIntRep(objPtr, &levelReferenceType))) {
	level = irPtr->wideValue;
	result = 1;
    } else {
	name = TclGetString(objPtr);
	if (name[0] == '#') {
	    if (TCL_OK == Tcl_GetInt(NULL, name+1, &level)) {
		if (level < 0 || (level > 0 && name[1] == '-')) {

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &tclProcBodyType, &ir);		\
    } while (0)

#define ProcGetIntRep(objPtr, procPtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &tclProcBodyType);		\
	(procPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

/*
 * The [upvar]/[uplevel] level reference type. Uses the longValue field
 * to remember the integer value of a parsed #<integer> format.
 *
................................................................................
	Tcl_IncrRefCount((nsObjPtr));					\
	Tcl_StoreIntRep((objPtr), &lambdaType, &ir);			\
    } while (0)

#define LambdaGetIntRep(objPtr, procPtr, nsObjPtr)			\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &lambdaType);			\
	(procPtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
	(nsObjPtr) = irPtr ? irPtr->twoPtrValue.ptr2 : NULL;		\
    } while (0)

 
/*
 *----------------------------------------------------------------------
................................................................................
     *	   seem to make a lot of sense to verify the number of arguments we
     *	   are about to ignore ...
     *	 - could be enhanced to handle also non-empty bodies that contain only
     *	   comments; however, parsing the body will slow down the compilation
     *	   of all procs whose argument list is just _args_
     */

    if (TclFetchIntRep(objv[3], &tclProcBodyType)) {
	goto done;
    }

    procArgs = TclGetString(objv[2]);

    while (*procArgs == ' ') {
	procArgs++;
................................................................................
	Tcl_GetWideIntFromObj(NULL, objPtr, &w);
	if (w < 0 || w > INT_MAX || curLevel > w + INT_MAX) {
	    result = -1;
	} else {
	    level = curLevel - level;
	    result = 1;
	}
    } else if ((irPtr = TclFetchIntRep(objPtr, &levelReferenceType))) {
	level = irPtr->wideValue;
	result = 1;
    } else {
	name = TclGetString(objPtr);
	if (name[0] == '#') {
	    if (TCL_OK == Tcl_GetInt(NULL, name+1, &level)) {
		if (level < 0 || (level > 0 && name[1] == '-')) {

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &tclRegexpType, &ir);			\
    } while (0)

#define RegexpGetIntRep(objPtr, rePtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &tclRegexpType);		\
	(rePtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

 
/*
 *----------------------------------------------------------------------
 *

	ir.twoPtrValue.ptr2 = NULL;					\
	Tcl_StoreIntRep((objPtr), &tclRegexpType, &ir);			\
    } while (0)

#define RegexpGetIntRep(objPtr, rePtr)					\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &tclRegexpType);		\
	(rePtr) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
    } while (0)

 
/*
 *----------------------------------------------------------------------
 *

		Tcl_DecrRefCount(objPtr);
		string = end;
	    } else {
		double dvalue;
		if (Tcl_GetDoubleFromObj(NULL, objPtr, &dvalue) != TCL_OK) {
#ifdef ACCEPT_NAN
		    const Tcl_ObjIntRep *irPtr
			    = Tcl_FetchIntRep(objPtr, &tclDoubleType);
		    if (irPtr) {
			dvalue = irPtr->doubleValue;
		    } else
#endif
		    {
			Tcl_DecrRefCount(objPtr);
			goto done;

		Tcl_DecrRefCount(objPtr);
		string = end;
	    } else {
		double dvalue;
		if (Tcl_GetDoubleFromObj(NULL, objPtr, &dvalue) != TCL_OK) {
#ifdef ACCEPT_NAN
		    const Tcl_ObjIntRep *irPtr
			    = TclFetchIntRep(objPtr, &tclDoubleType);
		    if (irPtr) {
			dvalue = irPtr->doubleValue;
		    } else
#endif
		    {
			Tcl_DecrRefCount(objPtr);
			goto done;

                                 * "objPtr" holds "end". */
    Tcl_WideInt *widePtr)       /* Location filled in with an integer
                                 * representing an index. */
{
    Tcl_ObjIntRep *irPtr;
    Tcl_WideInt offset = 0;	/* Offset in the "end-offset" expression */

    while ((irPtr = Tcl_FetchIntRep(objPtr, &endOffsetType)) == NULL) {
	Tcl_ObjIntRep ir;
	size_t length;
	const char *bytes = TclGetStringFromObj(objPtr, &length);

	if ((length < 3) || (length == 4)) {
	    /* Too short to be "end" or to be "end-$integer" */
	    return TCL_ERROR;

                                 * "objPtr" holds "end". */
    Tcl_WideInt *widePtr)       /* Location filled in with an integer
                                 * representing an index. */
{
    Tcl_ObjIntRep *irPtr;
    Tcl_WideInt offset = 0;	/* Offset in the "end-offset" expression */

    while ((irPtr = TclFetchIntRep(objPtr, &endOffsetType)) == NULL) {
	Tcl_ObjIntRep ir;
	size_t length;
	const char *bytes = TclGetStringFromObj(objPtr, &length);

	if ((length < 3) || (length == 4)) {
	    /* Too short to be "end" or to be "end-$integer" */
	    return TCL_ERROR;

	ir.twoPtrValue.ptr2 = INT2PTR(index);				\
	Tcl_StoreIntRep((objPtr), &localVarNameType, &ir);		\
    } while (0)

#define LocalGetIntRep(objPtr, index, name)				\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &localVarNameType);		\
	(name) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
	(index) = irPtr ? PTR2INT(irPtr->twoPtrValue.ptr2) : -1;	\
    } while (0)

static const Tcl_ObjType parsedVarNameType = {
    "parsedVarName",
    FreeParsedVarName, DupParsedVarName, NULL, NULL
................................................................................
	ir.twoPtrValue.ptr2 = ptr2;					\
	Tcl_StoreIntRep((objPtr), &parsedVarNameType, &ir);		\
    } while (0)

#define ParsedGetIntRep(objPtr, parsed, array, elem)			\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = Tcl_FetchIntRep((objPtr), &parsedVarNameType);		\
	(parsed) = (irPtr != NULL);					\
	(array) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
	(elem) = irPtr ? irPtr->twoPtrValue.ptr2 : NULL;		\
    } while (0)
 
Var *
TclVarHashCreateVar(

	ir.twoPtrValue.ptr2 = INT2PTR(index);				\
	Tcl_StoreIntRep((objPtr), &localVarNameType, &ir);		\
    } while (0)

#define LocalGetIntRep(objPtr, index, name)				\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &localVarNameType);		\
	(name) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
	(index) = irPtr ? PTR2INT(irPtr->twoPtrValue.ptr2) : -1;	\
    } while (0)

static const Tcl_ObjType parsedVarNameType = {
    "parsedVarName",
    FreeParsedVarName, DupParsedVarName, NULL, NULL
................................................................................
	ir.twoPtrValue.ptr2 = ptr2;					\
	Tcl_StoreIntRep((objPtr), &parsedVarNameType, &ir);		\
    } while (0)

#define ParsedGetIntRep(objPtr, parsed, array, elem)			\
    do {								\
	const Tcl_ObjIntRep *irPtr;					\
	irPtr = TclFetchIntRep((objPtr), &parsedVarNameType);		\
	(parsed) = (irPtr != NULL);					\
	(array) = irPtr ? irPtr->twoPtrValue.ptr1 : NULL;		\
	(elem) = irPtr ? irPtr->twoPtrValue.ptr2 : NULL;		\
    } while (0)
 
Var *
TclVarHashCreateVar(