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Diffstat (limited to 'generic/tclExecute.c')
-rw-r--r--generic/tclExecute.c62
1 files changed, 38 insertions, 24 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index d3a0d32..f8ed667 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -721,7 +721,7 @@ static ExceptionRange * GetExceptRangeForPc(const unsigned char *pc,
int catchOnly, ByteCode *codePtr);
static const char * GetSrcInfoForPc(const unsigned char *pc,
ByteCode *codePtr, int *lengthPtr,
- const unsigned char **pcBeg);
+ const unsigned char **pcBeg, int *cmdIdxPtr);
static Tcl_Obj ** GrowEvaluationStack(ExecEnv *eePtr, int growth,
int move);
static void IllegalExprOperandType(Tcl_Interp *interp,
@@ -1426,17 +1426,12 @@ Tcl_NRExprObj(
Tcl_Obj *resultPtr)
{
ByteCode *codePtr;
+ Tcl_InterpState state = Tcl_SaveInterpState(interp, TCL_OK);
- /* TODO: consider saving whole state? */
- Tcl_Obj *saveObjPtr = Tcl_GetObjResult(interp);
-
- Tcl_IncrRefCount(saveObjPtr);
-
+ Tcl_ResetResult(interp);
codePtr = CompileExprObj(interp, objPtr);
- /* TODO: Confirm reset not required? */
- /*Tcl_ResetResult(interp);*/
- Tcl_NRAddCallback(interp, ExprObjCallback, saveObjPtr, resultPtr,
+ Tcl_NRAddCallback(interp, ExprObjCallback, state, resultPtr,
NULL, NULL);
return TclNRExecuteByteCode(interp, codePtr);
}
@@ -1447,14 +1442,15 @@ ExprObjCallback(
Tcl_Interp *interp,
int result)
{
- Tcl_Obj *saveObjPtr = data[0];
+ Tcl_InterpState state = data[0];
Tcl_Obj *resultPtr = data[1];
if (result == TCL_OK) {
TclSetDuplicateObj(resultPtr, Tcl_GetObjResult(interp));
- Tcl_SetObjResult(interp, saveObjPtr);
+ (void) Tcl_RestoreInterpState(interp, state);
+ } else {
+ Tcl_DiscardInterpState(state);
}
- TclDecrRefCount(saveObjPtr);
return result;
}
@@ -2435,8 +2431,11 @@ TEBCresume(
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, pc - codePtr->codeStart);
+ int cmd;
+ if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
+ TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
+ codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
+ }
}
pc++;
@@ -2889,8 +2888,11 @@ TEBCresume(
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, pc - codePtr->codeStart);
+ int cmd;
+ if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
+ TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
+ codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
+ }
}
DECACHE_STACK_INFO();
@@ -3035,8 +3037,11 @@ TEBCresume(
bcFramePtr->data.tebc.pc = (char *) pc;
iPtr->cmdFramePtr = bcFramePtr;
if (iPtr->flags & INTERP_DEBUG_FRAME) {
- TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
- codePtr, bcFramePtr, pc - codePtr->codeStart);
+ int cmd;
+ if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) {
+ TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc,
+ codePtr, bcFramePtr, cmd, pc - codePtr->codeStart);
+ }
}
iPtr->ensembleRewrite.sourceObjs = objv;
iPtr->ensembleRewrite.numRemovedObjs = opnd;
@@ -6971,7 +6976,7 @@ TEBCresume(
if ((result == TCL_ERROR) && !(iPtr->flags & ERR_ALREADY_LOGGED)) {
const unsigned char *pcBeg;
- bytes = GetSrcInfoForPc(pc, codePtr, &length, &pcBeg);
+ bytes = GetSrcInfoForPc(pc, codePtr, &length, &pcBeg, NULL);
DECACHE_STACK_INFO();
TclLogCommandInfo(interp, codePtr->source, bytes,
bytes ? length : 0, pcBeg, tosPtr);
@@ -7153,7 +7158,7 @@ TEBCresume(
}
codePtr->flags |= TCL_BYTECODE_RECOMPILE;
- bytes = GetSrcInfoForPc(pc, codePtr, &length, NULL);
+ bytes = GetSrcInfoForPc(pc, codePtr, &length, NULL, NULL);
opnd = TclGetUInt4AtPtr(pc+1);
pc += (opnd-1);
PUSH_OBJECT(Tcl_NewStringObj(bytes, length));
@@ -8646,7 +8651,7 @@ ValidatePcAndStackTop(
if (checkStack &&
((stackTop < 0) || (stackTop > stackUpperBound))) {
int numChars;
- const char *cmd = GetSrcInfoForPc(pc, codePtr, &numChars, NULL);
+ const char *cmd = GetSrcInfoForPc(pc, codePtr, &numChars, NULL, NULL);
fprintf(stderr, "\nBad stack top %d at pc %u in TclNRExecuteByteCode (min 0, max %i)",
stackTop, relativePc, stackUpperBound);
@@ -8760,7 +8765,7 @@ TclGetSrcInfoForCmd(
ByteCode *codePtr = (ByteCode *) cfPtr->data.tebc.codePtr;
return GetSrcInfoForPc((unsigned char *) cfPtr->data.tebc.pc,
- codePtr, lenPtr, NULL);
+ codePtr, lenPtr, NULL, NULL);
}
void
@@ -8772,7 +8777,7 @@ TclGetSrcInfoForPc(
if (cfPtr->cmd.str.cmd == NULL) {
cfPtr->cmd.str.cmd = GetSrcInfoForPc(
(unsigned char *) cfPtr->data.tebc.pc, codePtr,
- &cfPtr->cmd.str.len, NULL);
+ &cfPtr->cmd.str.len, NULL, NULL);
}
if (cfPtr->cmd.str.cmd != NULL) {
@@ -8832,9 +8837,12 @@ GetSrcInfoForPc(
int *lengthPtr, /* If non-NULL, the location where the length
* of the command's source should be stored.
* If NULL, no length is stored. */
- const unsigned char **pcBeg)/* If non-NULL, the bytecode location
+ const unsigned char **pcBeg,/* If non-NULL, the bytecode location
* where the current instruction starts.
* If NULL; no pointer is stored. */
+ int *cmdIdxPtr) /* If non-NULL, the location where the index
+ * of the command containing the pc should
+ * be stored. */
{
register int pcOffset = (pc - codePtr->codeStart);
int numCmds = codePtr->numCommands;
@@ -8844,6 +8852,7 @@ GetSrcInfoForPc(
int bestDist = INT_MAX; /* Distance of pc to best cmd's start pc. */
int bestSrcOffset = -1; /* Initialized to avoid compiler warning. */
int bestSrcLength = -1; /* Initialized to avoid compiler warning. */
+ int bestCmdIdx = -1;
if ((pcOffset < 0) || (pcOffset >= codePtr->numCodeBytes)) {
if (pcBeg != NULL) *pcBeg = NULL;
@@ -8911,6 +8920,7 @@ GetSrcInfoForPc(
bestDist = dist;
bestSrcOffset = srcOffset;
bestSrcLength = srcLen;
+ bestCmdIdx = i;
}
}
}
@@ -8940,6 +8950,10 @@ GetSrcInfoForPc(
*lengthPtr = bestSrcLength;
}
+ if (cmdIdxPtr != NULL) {
+ *cmdIdxPtr = bestCmdIdx;
+ }
+
return (codePtr->source + bestSrcOffset);
}