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-rw-r--r--generic/tclExecute.c461
1 files changed, 398 insertions, 63 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 65d6e89..58d85e1 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -174,28 +174,24 @@ static BuiltinFunc const tclBuiltinFuncTable[] = {
typedef struct TEBCdata {
ByteCode *codePtr; /* Constant until the BC returns */
/* -----------------------------------------*/
- const unsigned char *pc; /* These fields are used on return TO this */
- ptrdiff_t *catchTop; /* this level: they record the state when a */
- int cleanup; /* new codePtr was received for NR */
- Tcl_Obj *auxObjList; /* execution. */
- CmdFrame cmdFrame;
+ ptrdiff_t *catchTop; /* These fields are used on return TO this */
+ Tcl_Obj *auxObjList; /* this level: they record the state when a */
+ CmdFrame cmdFrame; /* new codePtr was received for NR */
+ /* execution. */
void *stack[1]; /* Start of the actual combined catch and obj
* stacks; the struct will be expanded as
* necessary */
} TEBCdata;
#define TEBC_YIELD() \
- do { \
- esPtr->tosPtr = tosPtr; \
- TD->pc = pc; \
- TD->cleanup = cleanup; \
- TclNRAddCallback(interp, TEBCresume, TD, INT2PTR(1), NULL, NULL); \
+ do { \
+ esPtr->tosPtr = tosPtr; \
+ TclNRAddCallback(interp, TEBCresume, \
+ TD, pc, INT2PTR(cleanup), NULL); \
} while (0)
#define TEBC_DATA_DIG() \
do { \
- pc = TD->pc; \
- cleanup = TD->cleanup; \
tosPtr = esPtr->tosPtr; \
} while (0)
@@ -804,7 +800,8 @@ static Tcl_Obj ** StackAllocWords(Tcl_Interp *interp, int numWords);
static Tcl_Obj ** StackReallocWords(Tcl_Interp *interp, int numWords);
static Tcl_NRPostProc CopyCallback;
static Tcl_NRPostProc ExprObjCallback;
-
+static Tcl_NRPostProc FinalizeOONext;
+static Tcl_NRPostProc FinalizeOONextFilter;
static Tcl_NRPostProc TEBCresume;
/*
@@ -2000,6 +1997,41 @@ TclIncrObj(
/*
*----------------------------------------------------------------------
*
+ * ArgumentBCEnter --
+ *
+ * This is a helper for TclNRExecuteByteCode/TEBCresume that encapsulates
+ * a code sequence that is fairly common in the code but *not* commonly
+ * called.
+ *
+ * Results:
+ * None
+ *
+ * Side effects:
+ * May register information about the bytecode in the command frame.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static void
+ArgumentBCEnter(
+ Tcl_Interp *interp,
+ ByteCode *codePtr,
+ TEBCdata *tdPtr,
+ const unsigned char *pc,
+ int objc,
+ Tcl_Obj **objv)
+{
+ int cmd;
+
+ if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
+ TclArgumentBCEnter(interp, objv, objc, codePtr, &tdPtr->cmdFrame, cmd,
+ pc - codePtr->codeStart);
+ }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
* TclNRExecuteByteCode --
*
* This procedure executes the instructions of a ByteCode structure. It
@@ -2032,10 +2064,6 @@ TclNRExecuteByteCode(
* sizeof(void *);
int numWords = (size + sizeof(Tcl_Obj *) - 1) / sizeof(Tcl_Obj *);
- if (iPtr->execEnvPtr->rewind) {
- return TCL_ERROR;
- }
-
codePtr->refCount++;
/*
@@ -2054,9 +2082,7 @@ TclNRExecuteByteCode(
esPtr->tosPtr = initTosPtr;
TD->codePtr = codePtr;
- TD->pc = codePtr->codeStart;
TD->catchTop = initCatchTop;
- TD->cleanup = 0;
TD->auxObjList = NULL;
/*
@@ -2086,8 +2112,8 @@ TclNRExecuteByteCode(
* Push the callback for bytecode execution
*/
- TclNRAddCallback(interp, TEBCresume, TD, /*resume*/ INT2PTR(0),
- NULL, NULL);
+ TclNRAddCallback(interp, TEBCresume, TD, /* pc */ NULL,
+ /* cleanup */ INT2PTR(0), NULL);
return TCL_OK;
}
@@ -2150,7 +2176,8 @@ TEBCresume(
Tcl_Obj **tosPtr; /* Cached pointer to top of evaluation
* stack. */
- const unsigned char *pc; /* The current program counter. */
+ const unsigned char *pc = data[1];
+ /* The current program counter. */
unsigned char inst; /* The currently running instruction */
/*
@@ -2158,7 +2185,7 @@ TEBCresume(
* executing an instruction.
*/
- int cleanup = 0;
+ int cleanup = PTR2INT(data[2]);
Tcl_Obj *objResultPtr;
int checkInterp; /* Indicates when a check of interp readyness
* is necessary. Set by CACHE_STACK_INFO() */
@@ -2186,16 +2213,17 @@ TEBCresume(
TEBC_DATA_DIG();
#ifdef TCL_COMPILE_DEBUG
- if (!data[1] && (tclTraceExec >= 2)) {
+ if (!pc && (tclTraceExec >= 2)) {
PrintByteCodeInfo(codePtr);
fprintf(stdout, " Starting stack top=%d\n", (int) CURR_DEPTH);
fflush(stdout);
}
#endif
- if (!data[1]) {
+ if (!pc) {
/* bytecode is starting from scratch */
checkInterp = 0;
+ pc = codePtr->codeStart;
goto cleanup0;
} else {
/* resume from invocation */
@@ -2213,7 +2241,7 @@ TEBCresume(
}
iPtr->cmdFramePtr = bcFramePtr->nextPtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- TclArgumentBCRelease((Tcl_Interp *) iPtr, bcFramePtr);
+ TclArgumentBCRelease(interp, bcFramePtr);
}
if (codePtr->flags & TCL_BYTECODE_RECOMPILE) {
iPtr->flags |= ERR_ALREADY_LOGGED;
@@ -2466,9 +2494,12 @@ TEBCresume(
TRACE_APPEND(("\n"));
goto processExceptionReturn;
- case INST_YIELD: {
- CoroutineData *corPtr = iPtr->execEnvPtr->corPtr;
+ {
+ CoroutineData *corPtr;
+ int yieldParameter;
+ case INST_YIELD:
+ corPtr = iPtr->execEnvPtr->corPtr;
TRACE(("%.30s => ", O2S(OBJ_AT_TOS)));
if (!corPtr) {
TRACE_APPEND(("ERROR: yield outside coroutine\n"));
@@ -2482,11 +2513,74 @@ TEBCresume(
}
#ifdef TCL_COMPILE_DEBUG
- TRACE_WITH_OBJ(("yield, result="), iPtr->objResultPtr);
- if (traceInstructions) {
- fprintf(stdout, "\n");
+ if (tclTraceExec >= 2) {
+ if (traceInstructions) {
+ TRACE_APPEND(("YIELD...\n"));
+ } else {
+ fprintf(stdout, "%d: (%u) yielding value \"%.30s\"\n",
+ iPtr->numLevels, (unsigned)(pc - codePtr->codeStart),
+ Tcl_GetString(OBJ_AT_TOS));
+ }
+ fflush(stdout);
}
#endif
+ yieldParameter = 0;
+ Tcl_SetObjResult(interp, OBJ_AT_TOS);
+ goto doYield;
+
+ case INST_YIELD_TO_INVOKE:
+ corPtr = iPtr->execEnvPtr->corPtr;
+ valuePtr = OBJ_AT_TOS;
+ if (!corPtr) {
+ TRACE(("[%.30s] => ERROR: yield outside coroutine\n",
+ O2S(valuePtr)));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "yieldto can only be called in a coroutine", -1));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "ILLEGAL_YIELD",
+ NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+ if (((Namespace *)TclGetCurrentNamespace(interp))->flags & NS_DYING) {
+ TRACE(("[%.30s] => ERROR: yield in deleted\n",
+ O2S(valuePtr)));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "yieldto called in deleted namespace", -1));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "YIELDTO_IN_DELETED",
+ NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+
+#ifdef TCL_COMPILE_DEBUG
+ if (tclTraceExec >= 2) {
+ if (traceInstructions) {
+ TRACE(("[%.30s] => YIELD...\n", O2S(valuePtr)));
+ } else {
+ /* FIXME: What is the right thing to trace? */
+ fprintf(stdout, "%d: (%u) yielding to [%.30s]\n",
+ iPtr->numLevels, (unsigned)(pc - codePtr->codeStart),
+ Tcl_GetString(valuePtr));
+ }
+ fflush(stdout);
+ }
+#endif
+
+ /*
+ * Install a tailcall record in the caller and continue with the
+ * yield. The yield is switched into multi-return mode (via the
+ * 'yieldParameter').
+ */
+
+ Tcl_IncrRefCount(valuePtr);
+ iPtr->execEnvPtr = corPtr->callerEEPtr;
+ TclSetTailcall(interp, valuePtr);
+ iPtr->execEnvPtr = corPtr->eePtr;
+ yieldParameter = (PTR2INT(NULL)+1); /*==CORO_ACTIVATE_YIELDM*/
+
+ doYield:
/* TIP #280: Record the last piece of info needed by
* 'TclGetSrcInfoForPc', and push the frame.
*/
@@ -2495,21 +2589,14 @@ TEBCresume(
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
}
pc++;
cleanup = 1;
TEBC_YIELD();
-
- Tcl_SetObjResult(interp, OBJ_AT_TOS);
TclNRAddCallback(interp, TclNRCoroutineActivateCallback, corPtr,
- INT2PTR(0), NULL, NULL);
-
+ INT2PTR(yieldParameter), NULL, NULL);
return TCL_OK;
}
@@ -2529,6 +2616,7 @@ TEBCresume(
}
#ifdef TCL_COMPILE_DEBUG
+ /* FIXME: What is the right thing to trace? */
{
register int i;
@@ -2969,11 +3057,7 @@ TEBCresume(
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
}
DECACHE_STACK_INFO();
@@ -3118,11 +3202,7 @@ TEBCresume(
bcFramePtr->data.tebc.pc = (char *) pc;
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
}
iPtr->ensembleRewrite.sourceObjs = objv;
iPtr->ensembleRewrite.numRemovedObjs = opnd;
@@ -4520,8 +4600,10 @@ TEBCresume(
*/
{
+ Object *oPtr;
CallFrame *framePtr;
CallContext *contextPtr;
+ int skip, newDepth;
case INST_TCLOO_SELF:
framePtr = iPtr->varFramePtr;
@@ -4546,9 +4628,111 @@ TEBCresume(
TRACE_WITH_OBJ(("=> "), objResultPtr);
NEXT_INST_F(1, 0, 1);
+ case INST_TCLOO_NEXT_CLASS:
+ opnd = TclGetUInt1AtPtr(pc+1);
+ framePtr = iPtr->varFramePtr;
+ valuePtr = OBJ_AT_DEPTH(opnd - 2);
+ objv = &OBJ_AT_DEPTH(opnd - 1);
+ skip = 2;
+ TRACE(("%d => ", opnd));
+ if (framePtr == NULL ||
+ !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) {
+ TRACE_APPEND(("ERROR: no TclOO call context\n"));
+ Tcl_SetObjResult(interp, Tcl_NewStringObj(
+ "nextto may only be called from inside a method",
+ -1));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CONTEXT_REQUIRED", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+ contextPtr = framePtr->clientData;
+
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, valuePtr);
+ if (oPtr == NULL) {
+ TRACE_APPEND(("ERROR: \"%.30s\" not object\n", O2S(valuePtr)));
+ goto gotError;
+ } else {
+ Class *classPtr = oPtr->classPtr;
+ struct MInvoke *miPtr;
+ int i;
+ const char *methodType;
+
+ if (classPtr == NULL) {
+ TRACE_APPEND(("ERROR: \"%.30s\" not class\n", O2S(valuePtr)));
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "\"%s\" is not a class", TclGetString(valuePtr)));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_REQUIRED", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+
+ for (i=contextPtr->index+1 ; i<contextPtr->callPtr->numChain ; i++) {
+ miPtr = contextPtr->callPtr->chain + i;
+ if (!miPtr->isFilter &&
+ miPtr->mPtr->declaringClassPtr == classPtr) {
+ newDepth = i;
+#ifdef TCL_COMPILE_DEBUG
+ if (tclTraceExec >= 2) {
+ if (traceInstructions) {
+ strncpy(cmdNameBuf, TclGetString(objv[0]), 20);
+ } else {
+ fprintf(stdout, "%d: (%u) invoking ",
+ iPtr->numLevels,
+ (unsigned)(pc - codePtr->codeStart));
+ }
+ for (i = 0; i < opnd; i++) {
+ TclPrintObject(stdout, objv[i], 15);
+ fprintf(stdout, " ");
+ }
+ fprintf(stdout, "\n");
+ fflush(stdout);
+ }
+#endif /*TCL_COMPILE_DEBUG*/
+ goto doInvokeNext;
+ }
+ }
+
+ if (contextPtr->callPtr->flags & CONSTRUCTOR) {
+ methodType = "constructor";
+ } else if (contextPtr->callPtr->flags & DESTRUCTOR) {
+ methodType = "destructor";
+ } else {
+ methodType = "method";
+ }
+
+ TRACE_APPEND(("ERROR: \"%.30s\" not on reachable chain\n",
+ O2S(valuePtr)));
+ for (i=contextPtr->index ; i>=0 ; i--) {
+ miPtr = contextPtr->callPtr->chain + i;
+ if (miPtr->isFilter
+ || miPtr->mPtr->declaringClassPtr != classPtr) {
+ continue;
+ }
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "%s implementation by \"%s\" not reachable from here",
+ methodType, TclGetString(valuePtr)));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_NOT_REACHABLE",
+ NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "%s has no non-filter implementation by \"%s\"",
+ methodType, TclGetString(valuePtr)));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "CLASS_NOT_THERE", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+ }
+
case INST_TCLOO_NEXT:
opnd = TclGetUInt1AtPtr(pc+1);
+ objv = &OBJ_AT_DEPTH(opnd - 1);
framePtr = iPtr->varFramePtr;
+ skip = 1;
TRACE(("%d => ", opnd));
if (framePtr == NULL ||
!(framePtr->isProcCallFrame & FRAME_IS_METHOD)) {
@@ -4563,15 +4747,57 @@ TEBCresume(
}
contextPtr = framePtr->clientData;
+ newDepth = contextPtr->index + 1;
+ if (newDepth >= contextPtr->callPtr->numChain) {
+ /*
+ * We're at the end of the chain; generate an error message unless
+ * the interpreter is being torn down, in which case we might be
+ * getting here because of methods/destructors doing a [next] (or
+ * equivalent) unexpectedly.
+ */
+
+ const char *methodType;
+
+ if (contextPtr->callPtr->flags & CONSTRUCTOR) {
+ methodType = "constructor";
+ } else if (contextPtr->callPtr->flags & DESTRUCTOR) {
+ methodType = "destructor";
+ } else {
+ methodType = "method";
+ }
+
+ TRACE_APPEND(("ERROR: no TclOO next impl\n"));
+ Tcl_SetObjResult(interp, Tcl_ObjPrintf(
+ "no next %s implementation", methodType));
+ DECACHE_STACK_INFO();
+ Tcl_SetErrorCode(interp, "TCL", "OO", "NOTHING_NEXT", NULL);
+ CACHE_STACK_INFO();
+ goto gotError;
+#ifdef TCL_COMPILE_DEBUG
+ } else if (tclTraceExec >= 2) {
+ int i;
+
+ if (traceInstructions) {
+ strncpy(cmdNameBuf, TclGetString(objv[0]), 20);
+ } else {
+ fprintf(stdout, "%d: (%u) invoking ",
+ iPtr->numLevels, (unsigned)(pc - codePtr->codeStart));
+ }
+ for (i = 0; i < opnd; i++) {
+ TclPrintObject(stdout, objv[i], 15);
+ fprintf(stdout, " ");
+ }
+ fprintf(stdout, "\n");
+ fflush(stdout);
+#endif /*TCL_COMPILE_DEBUG*/
+ }
+
+ doInvokeNext:
bcFramePtr->data.tebc.pc = (char *) pc;
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- int cmd;
- if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
- }
+ ArgumentBCEnter(interp, codePtr, TD, pc, opnd, objv);
}
pcAdjustment = 2;
@@ -4580,14 +4806,33 @@ TEBCresume(
iPtr->varFramePtr = framePtr->callerVarPtr;
pc += pcAdjustment;
TEBC_YIELD();
- TclNRAddCallback(interp, TclOONextRestoreFrame, framePtr,
- NULL, NULL, NULL);
- /* TODO: consider merging another layer of processing */
- return TclNRObjectContextInvokeNext(interp,
- (Tcl_ObjectContext) contextPtr, opnd, &OBJ_AT_DEPTH(opnd-1), 1);
- }
- {
- Object *oPtr;
+
+ oPtr = contextPtr->oPtr;
+ if (oPtr->flags & FILTER_HANDLING) {
+ TclNRAddCallback(interp, FinalizeOONextFilter,
+ framePtr, contextPtr, INT2PTR(contextPtr->index),
+ INT2PTR(contextPtr->skip));
+ } else {
+ TclNRAddCallback(interp, FinalizeOONext,
+ framePtr, contextPtr, INT2PTR(contextPtr->index),
+ INT2PTR(contextPtr->skip));
+ }
+ contextPtr->skip = skip;
+ contextPtr->index = newDepth;
+ if (contextPtr->callPtr->chain[newDepth].isFilter
+ || contextPtr->callPtr->flags & FILTER_HANDLING) {
+ oPtr->flags |= FILTER_HANDLING;
+ } else {
+ oPtr->flags &= ~FILTER_HANDLING;
+ }
+
+ {
+ register Method *const mPtr =
+ contextPtr->callPtr->chain[newDepth].mPtr;
+
+ return mPtr->typePtr->callProc(mPtr->clientData, interp,
+ (Tcl_ObjectContext) contextPtr, opnd, objv);
+ }
case INST_TCLOO_IS_OBJECT:
oPtr = (Object *) Tcl_GetObjectFromObj(interp, OBJ_AT_TOS);
@@ -5565,6 +5810,25 @@ TEBCresume(
TclNewIntObj(objResultPtr, match);
NEXT_INST_F(1, 2, 1);
+
+ case INST_STR_CLASS:
+ opnd = TclGetInt1AtPtr(pc+1);
+ valuePtr = OBJ_AT_TOS;
+ TRACE(("%s \"%.30s\" => ", tclStringClassTable[opnd].name,
+ O2S(valuePtr)));
+ ustring1 = Tcl_GetUnicodeFromObj(valuePtr, &length);
+ match = 1;
+ if (length > 0) {
+ end = ustring1 + length;
+ for (p=ustring1 ; p<end ; p++) {
+ if (!tclStringClassTable[opnd].comparator(*p)) {
+ match = 0;
+ break;
+ }
+ }
+ }
+ TRACE_APPEND(("%d\n", match));
+ JUMP_PEEPHOLE_F(match, 2, 1);
}
case INST_STR_MATCH:
@@ -5699,6 +5963,14 @@ TEBCresume(
int type1, type2;
long l1, l2, lResult;
+ case INST_NUM_TYPE:
+ if (GetNumberFromObj(NULL, OBJ_AT_TOS, &ptr1, &type1) != TCL_OK) {
+ type1 = 0;
+ }
+ TclNewIntObj(objResultPtr, type1);
+ TRACE(("\"%.20s\" => %d\n", O2S(OBJ_AT_TOS), type1));
+ NEXT_INST_F(1, 1, 1);
+
case INST_EQ:
case INST_NEQ:
case INST_LT:
@@ -6376,6 +6648,17 @@ TEBCresume(
* -----------------------------------------------------------------
*/
+ case INST_TRY_CVT_TO_BOOLEAN:
+ valuePtr = OBJ_AT_TOS;
+ if (valuePtr->typePtr == &tclBooleanType) {
+ objResultPtr = TCONST(1);
+ } else {
+ int result = (TclSetBooleanFromAny(NULL, valuePtr) == TCL_OK);
+ objResultPtr = TCONST(result);
+ }
+ TRACE_WITH_OBJ(("\"%.30s\" => ", O2S(valuePtr)), objResultPtr);
+ NEXT_INST_F(1, 0, 1);
+
case INST_BREAK:
/*
DECACHE_STACK_INFO();
@@ -7755,6 +8038,58 @@ TEBCresume(
#undef auxObjList
#undef catchTop
#undef TCONST
+
+static int
+FinalizeOONext(
+ ClientData data[],
+ Tcl_Interp *interp,
+ int result)
+{
+ Interp *iPtr = (Interp *) interp;
+ CallContext *contextPtr = data[1];
+
+ /*
+ * Reset the variable lookup frame.
+ */
+
+ iPtr->varFramePtr = data[0];
+
+ /*
+ * Restore the call chain context index as we've finished the inner invoke
+ * and want to operate in the outer context again.
+ */
+
+ contextPtr->index = PTR2INT(data[2]);
+ contextPtr->skip = PTR2INT(data[3]);
+ contextPtr->oPtr->flags &= ~FILTER_HANDLING;
+ return result;
+}
+
+static int
+FinalizeOONextFilter(
+ ClientData data[],
+ Tcl_Interp *interp,
+ int result)
+{
+ Interp *iPtr = (Interp *) interp;
+ CallContext *contextPtr = data[1];
+
+ /*
+ * Reset the variable lookup frame.
+ */
+
+ iPtr->varFramePtr = data[0];
+
+ /*
+ * Restore the call chain context index as we've finished the inner invoke
+ * and want to operate in the outer context again.
+ */
+
+ contextPtr->index = PTR2INT(data[2]);
+ contextPtr->skip = PTR2INT(data[3]);
+ contextPtr->oPtr->flags |= FILTER_HANDLING;
+ return result;
+}
/*
*----------------------------------------------------------------------
generated by cgit v0.12 at 2024-11-16 15:30:35 (GMT)