summaryrefslogtreecommitdiffstats
path: root/generic/tclExecute.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclExecute.c')
-rw-r--r--generic/tclExecute.c132
1 files changed, 118 insertions, 14 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c
index 5b42124..ac0ea12 100644
--- a/generic/tclExecute.c
+++ b/generic/tclExecute.c
@@ -4539,6 +4539,7 @@ TEBCresume(
Object *oPtr;
CallFrame *framePtr;
CallContext *contextPtr;
+ int skip, newDepth;
case INST_TCLOO_SELF:
framePtr = iPtr->varFramePtr;
@@ -4563,9 +4564,111 @@ 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)) {
@@ -4580,7 +4683,8 @@ TEBCresume(
}
contextPtr = framePtr->clientData;
- if (contextPtr->index+1 >= contextPtr->callPtr->numChain) {
+ 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
@@ -4605,33 +4709,31 @@ TEBCresume(
Tcl_SetErrorCode(interp, "TCL", "OO", "NOTHING_NEXT", NULL);
CACHE_STACK_INFO();
goto gotError;
- }
-
#ifdef TCL_COMPILE_DEBUG
- if (tclTraceExec >= 2) {
+ } else if (tclTraceExec >= 2) {
int i;
if (traceInstructions) {
strncpy(cmdNameBuf, TclGetString(objv[0]), 20);
- TRACE(("next_in_chain "));
} else {
- fprintf(stdout, "%d: (%u) invoking next_in_chain ",
+ fprintf(stdout, "%d: (%u) invoking ",
iPtr->numLevels, (unsigned)(pc - codePtr->codeStart));
}
- for (i = 0; i < objc; i++) {
+ 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) {
- ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv);
+ ArgumentBCEnter(interp, codePtr, TD, pc, opnd, objv);
}
pcAdjustment = 2;
@@ -4640,6 +4742,7 @@ TEBCresume(
iPtr->varFramePtr = framePtr->callerVarPtr;
pc += pcAdjustment;
TEBC_YIELD();
+
oPtr = contextPtr->oPtr;
if (oPtr->flags & FILTER_HANDLING) {
TclNRAddCallback(interp, FinalizeOONextFilter,
@@ -4650,20 +4753,21 @@ TEBCresume(
framePtr, contextPtr, INT2PTR(contextPtr->index),
INT2PTR(contextPtr->skip));
}
- if (contextPtr->callPtr->chain[++contextPtr->index].isFilter
+ 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;
}
- contextPtr->skip = 1;
+
{
register Method *const mPtr =
- contextPtr->callPtr->chain[contextPtr->index].mPtr;
+ contextPtr->callPtr->chain[newDepth].mPtr;
return mPtr->typePtr->callProc(mPtr->clientData, interp,
- (Tcl_ObjectContext) contextPtr, opnd,
- &OBJ_AT_DEPTH(opnd-1));
+ (Tcl_ObjectContext) contextPtr, opnd, objv);
}
case INST_TCLOO_IS_OBJECT: