diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 2114 |
1 files changed, 1585 insertions, 529 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 8a68e9b..2f9aac3 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -174,34 +174,32 @@ 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. */ - int checkInterp; - 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) #define PUSH_TAUX_OBJ(objPtr) \ do { \ + if (auxObjList) { \ + objPtr->length += auxObjList->length; \ + } \ objPtr->internalRep.ptrAndLongRep.ptr = auxObjList; \ auxObjList = objPtr; \ } while (0) @@ -257,7 +255,7 @@ VarHashCreateVar( /* Verify the stack depth, only when no expansion is in progress */ -#if TCL_COMPILE_DEBUG +#ifdef TCL_COMPILE_DEBUG #define CHECK_STACK() \ do { \ ValidatePcAndStackTop(codePtr, pc, CURR_DEPTH, \ @@ -290,12 +288,14 @@ VarHashCreateVar( switch (nCleanup) { \ case 1: goto cleanup1_pushObjResultPtr; \ case 2: goto cleanup2_pushObjResultPtr; \ + case 0: break; \ } \ } else { \ pc += (pcAdjustment); \ switch (nCleanup) { \ case 1: goto cleanup1; \ case 2: goto cleanup2; \ + case 0: break; \ } \ } \ } while (0) @@ -315,6 +315,70 @@ VarHashCreateVar( } \ } while (0) +#ifndef TCL_COMPILE_DEBUG +#define JUMP_PEEPHOLE_F(condition, pcAdjustment, cleanup) \ + do { \ + pc += (pcAdjustment); \ + switch (*pc) { \ + case INST_JUMP_FALSE1: \ + NEXT_INST_F(((condition)? 2 : TclGetInt1AtPtr(pc+1)), (cleanup), 0); \ + case INST_JUMP_TRUE1: \ + NEXT_INST_F(((condition)? TclGetInt1AtPtr(pc+1) : 2), (cleanup), 0); \ + case INST_JUMP_FALSE4: \ + NEXT_INST_F(((condition)? 5 : TclGetInt4AtPtr(pc+1)), (cleanup), 0); \ + case INST_JUMP_TRUE4: \ + NEXT_INST_F(((condition)? TclGetInt4AtPtr(pc+1) : 5), (cleanup), 0); \ + default: \ + if ((condition) < 0) { \ + TclNewIntObj(objResultPtr, -1); \ + } else { \ + objResultPtr = TCONST((condition) > 0); \ + } \ + NEXT_INST_F(0, (cleanup), 1); \ + } \ + } while (0) +#define JUMP_PEEPHOLE_V(condition, pcAdjustment, cleanup) \ + do { \ + pc += (pcAdjustment); \ + switch (*pc) { \ + case INST_JUMP_FALSE1: \ + NEXT_INST_V(((condition)? 2 : TclGetInt1AtPtr(pc+1)), (cleanup), 0); \ + case INST_JUMP_TRUE1: \ + NEXT_INST_V(((condition)? TclGetInt1AtPtr(pc+1) : 2), (cleanup), 0); \ + case INST_JUMP_FALSE4: \ + NEXT_INST_V(((condition)? 5 : TclGetInt4AtPtr(pc+1)), (cleanup), 0); \ + case INST_JUMP_TRUE4: \ + NEXT_INST_V(((condition)? TclGetInt4AtPtr(pc+1) : 5), (cleanup), 0); \ + default: \ + if ((condition) < 0) { \ + TclNewIntObj(objResultPtr, -1); \ + } else { \ + objResultPtr = TCONST((condition) > 0); \ + } \ + NEXT_INST_V(0, (cleanup), 1); \ + } \ + } while (0) +#else /* TCL_COMPILE_DEBUG */ +#define JUMP_PEEPHOLE_F(condition, pcAdjustment, cleanup) \ + do{ \ + if ((condition) < 0) { \ + TclNewIntObj(objResultPtr, -1); \ + } else { \ + objResultPtr = TCONST((condition) > 0); \ + } \ + NEXT_INST_F((pcAdjustment), (cleanup), 1); \ + } while (0) +#define JUMP_PEEPHOLE_V(condition, pcAdjustment, cleanup) \ + do{ \ + if ((condition) < 0) { \ + TclNewIntObj(objResultPtr, -1); \ + } else { \ + objResultPtr = TCONST((condition) > 0); \ + } \ + NEXT_INST_V((pcAdjustment), (cleanup), 1); \ + } while (0) +#endif + /* * Macros used to cache often-referenced Tcl evaluation stack information * in local variables. Note that a DECACHE_STACK_INFO()-CACHE_STACK_INFO() @@ -357,6 +421,8 @@ VarHashCreateVar( #define CURR_DEPTH ((ptrdiff_t) (tosPtr - initTosPtr)) +#define STACK_BASE(esPtr) ((esPtr)->stackWords - 1) + /* * Macros used to trace instruction execution. The macros TRACE, * TRACE_WITH_OBJ, and O2S are only used inside TclNRExecuteByteCode. O2S is @@ -378,6 +444,8 @@ VarHashCreateVar( printf a; \ break; \ } +# define TRACE_ERROR(interp) \ + TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); # define TRACE_WITH_OBJ(a, objPtr) \ while (traceInstructions) { \ fprintf(stdout, "%2d: %2d (%u) %s ", iPtr->numLevels, \ @@ -394,6 +462,7 @@ VarHashCreateVar( #else /* !TCL_COMPILE_DEBUG */ # define TRACE(a) # define TRACE_APPEND(a) +# define TRACE_ERROR(interp) # define TRACE_WITH_OBJ(a, objPtr) # define O2S(objPtr) #endif /* TCL_COMPILE_DEBUG */ @@ -434,7 +503,7 @@ VarHashCreateVar( * ClientData *ptrPtr, int *tPtr); */ -#ifdef NO_WIDE_TYPE +#ifdef TCL_WIDE_INT_IS_LONG #define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \ (((objPtr)->typePtr == &tclIntType) \ ? (*(tPtr) = TCL_NUMBER_LONG, \ @@ -448,9 +517,9 @@ VarHashCreateVar( (&((objPtr)->internalRep.doubleValue)), TCL_OK) : \ ((((objPtr)->typePtr == NULL) && ((objPtr)->bytes == NULL)) || \ (((objPtr)->bytes != NULL) && ((objPtr)->length == 0))) \ - ? TCL_ERROR : \ + ? (*(tPtr) = TCL_NUMBER_LONG),TCL_ERROR : \ TclGetNumberFromObj((interp), (objPtr), (ptrPtr), (tPtr))) -#else /* !NO_WIDE_TYPE */ +#else /* !TCL_WIDE_INT_IS_LONG */ #define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \ (((objPtr)->typePtr == &tclIntType) \ ? (*(tPtr) = TCL_NUMBER_LONG, \ @@ -468,9 +537,9 @@ VarHashCreateVar( (&((objPtr)->internalRep.doubleValue)), TCL_OK) : \ ((((objPtr)->typePtr == NULL) && ((objPtr)->bytes == NULL)) || \ (((objPtr)->bytes != NULL) && ((objPtr)->length == 0))) \ - ? TCL_ERROR : \ + ? (*(tPtr) = TCL_NUMBER_LONG),TCL_ERROR : \ TclGetNumberFromObj((interp), (objPtr), (ptrPtr), (tPtr))) -#endif /* NO_WIDE_TYPE */ +#endif /* TCL_WIDE_INT_IS_LONG */ /* * Macro used in this file to save a function call for common uses of @@ -487,30 +556,6 @@ VarHashCreateVar( : Tcl_GetBooleanFromObj((interp), (objPtr), (boolPtr))) /* - * Macro used in this file to save a function call for common uses of - * Tcl_GetWideIntFromObj(). The ANSI C "prototype" is: - * - * MODULE_SCOPE int TclGetWideIntFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr, - * Tcl_WideInt *wideIntPtr); - */ - -#ifdef NO_WIDE_TYPE -#define TclGetWideIntFromObj(interp, objPtr, wideIntPtr) \ - (((objPtr)->typePtr == &tclIntType) \ - ? (*(wideIntPtr) = (Tcl_WideInt) \ - ((objPtr)->internalRep.longValue), TCL_OK) : \ - Tcl_GetWideIntFromObj((interp), (objPtr), (wideIntPtr))) -#else /* !NO_WIDE_TYPE */ -#define TclGetWideIntFromObj(interp, objPtr, wideIntPtr) \ - (((objPtr)->typePtr == &tclWideIntType) \ - ? (*(wideIntPtr) = (objPtr)->internalRep.wideValue, TCL_OK) : \ - ((objPtr)->typePtr == &tclIntType) \ - ? (*(wideIntPtr) = (Tcl_WideInt) \ - ((objPtr)->internalRep.longValue), TCL_OK) : \ - Tcl_GetWideIntFromObj((interp), (objPtr), (wideIntPtr))) -#endif /* NO_WIDE_TYPE */ - -/* * Macro used to make the check for type overflow more mnemonic. This works by * comparing sign bits; the rest of the word is irrelevant. The ANSI C * "prototype" (where inttype_t is any integer type) is: @@ -718,20 +763,21 @@ 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, const unsigned char *pc, Tcl_Obj *opndPtr); static void InitByteCodeExecution(Tcl_Interp *interp); -static inline int OFFSET(void *ptr); +static inline int wordSkip(void *ptr); static void ReleaseDictIterator(Tcl_Obj *objPtr); /* Useful elsewhere, make available in tclInt.h or stubs? */ 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; /* @@ -882,7 +928,7 @@ TclCreateExecEnv( esPtr->nextPtr = NULL; esPtr->markerPtr = NULL; esPtr->endPtr = &esPtr->stackWords[size-1]; - esPtr->tosPtr = &esPtr->stackWords[-1]; + esPtr->tosPtr = STACK_BASE(esPtr); Tcl_MutexLock(&execMutex); if (!execInitialized) { @@ -1001,13 +1047,13 @@ TclFinalizeExecution(void) (TCL_ALLOCALIGN/sizeof(Tcl_Obj *)) /* - * OFFSET computes how many words have to be skipped until the next aligned + * wordSkip computes how many words have to be skipped until the next aligned * word. Note that we are only interested in the low order bits of ptr, so * that any possible information loss in PTR2INT is of no consequence. */ static inline int -OFFSET( +wordSkip( void *ptr) { int mask = TCL_ALLOCALIGN-1; @@ -1020,7 +1066,7 @@ OFFSET( */ #define MEMSTART(markerPtr) \ - ((markerPtr) + OFFSET(markerPtr)) + ((markerPtr) + wordSkip(markerPtr)) /* *---------------------------------------------------------------------- @@ -1065,7 +1111,7 @@ GrowEvaluationStack( } else { #ifndef PURIFY Tcl_Obj **tmpMarkerPtr = esPtr->tosPtr + 1; - int offset = OFFSET(tmpMarkerPtr); + int offset = wordSkip(tmpMarkerPtr); if (needed + offset < 0) { /* @@ -1103,8 +1149,8 @@ GrowEvaluationStack( if (esPtr->nextPtr) { oldPtr = esPtr; esPtr = oldPtr->nextPtr; - currElems = esPtr->endPtr - &esPtr->stackWords[-1]; - if (esPtr->markerPtr || (esPtr->tosPtr != &esPtr->stackWords[-1])) { + currElems = esPtr->endPtr - STACK_BASE(esPtr); + if (esPtr->markerPtr || (esPtr->tosPtr != STACK_BASE(esPtr))) { Tcl_Panic("STACK: Stack after current is in use"); } if (esPtr->nextPtr) { @@ -1116,7 +1162,7 @@ GrowEvaluationStack( DeleteExecStack(esPtr); esPtr = oldPtr; } else { - currElems = esPtr->endPtr - &esPtr->stackWords[-1]; + currElems = esPtr->endPtr - STACK_BASE(esPtr); } /* @@ -1270,10 +1316,10 @@ TclStackFree( while (esPtr->nextPtr) { esPtr = esPtr->nextPtr; } - esPtr->tosPtr = &esPtr->stackWords[-1]; + esPtr->tosPtr = STACK_BASE(esPtr); while (esPtr->prevPtr) { ExecStack *tmpPtr = esPtr->prevPtr; - if (tmpPtr->tosPtr == &tmpPtr->stackWords[-1]) { + if (tmpPtr->tosPtr == STACK_BASE(tmpPtr)) { DeleteExecStack(tmpPtr); } else { break; @@ -1423,17 +1469,12 @@ 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); } @@ -1444,14 +1485,15 @@ 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; } @@ -1494,7 +1536,7 @@ CompileExprObj( if (objPtr->typePtr == &exprCodeType) { Namespace *namespacePtr = iPtr->varFramePtr->nsPtr; - codePtr = objPtr->internalRep.otherValuePtr; + codePtr = objPtr->internalRep.twoPtrValue.ptr1; if (((Interp *) *codePtr->interpHandle != iPtr) || (codePtr->compileEpoch != iPtr->compileEpoch) || (codePtr->nsPtr != namespacePtr) @@ -1534,7 +1576,7 @@ CompileExprObj( TclInitByteCodeObj(objPtr, &compEnv); objPtr->typePtr = &exprCodeType; TclFreeCompileEnv(&compEnv); - codePtr = objPtr->internalRep.otherValuePtr; + codePtr = objPtr->internalRep.twoPtrValue.ptr1; if (iPtr->varFramePtr->localCachePtr) { codePtr->localCachePtr = iPtr->varFramePtr->localCachePtr; codePtr->localCachePtr->refCount++; @@ -1606,10 +1648,9 @@ static void FreeExprCodeInternalRep( Tcl_Obj *objPtr) { - ByteCode *codePtr = objPtr->internalRep.otherValuePtr; + ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1; objPtr->typePtr = NULL; - objPtr->internalRep.otherValuePtr = NULL; codePtr->refCount--; if (codePtr->refCount <= 0) { TclCleanupByteCode(codePtr); @@ -1667,7 +1708,7 @@ TclCompileObj( * here. */ - codePtr = objPtr->internalRep.otherValuePtr; + codePtr = objPtr->internalRep.twoPtrValue.ptr1; if (((Interp *) *codePtr->interpHandle != iPtr) || (codePtr->compileEpoch != iPtr->compileEpoch) || (codePtr->nsPtr != namespacePtr) @@ -1795,7 +1836,7 @@ TclCompileObj( iPtr->invokeWord = word; TclSetByteCodeFromAny(interp, objPtr, NULL, NULL); iPtr->invokeCmdFramePtr = NULL; - codePtr = objPtr->internalRep.otherValuePtr; + codePtr = objPtr->internalRep.twoPtrValue.ptr1; if (iPtr->varFramePtr->localCachePtr) { codePtr->localCachePtr = iPtr->varFramePtr->localCachePtr; codePtr->localCachePtr->refCount++; @@ -1869,7 +1910,7 @@ TclIncrObj( TclSetLongObj(valuePtr, sum); return TCL_OK; } -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG { Tcl_WideInt w1 = (Tcl_WideInt) augend; Tcl_WideInt w2 = (Tcl_WideInt) addend; @@ -1902,7 +1943,7 @@ TclIncrObj( return TCL_ERROR; } -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if ((type1 != TCL_NUMBER_BIG) && (type2 != TCL_NUMBER_BIG)) { Tcl_WideInt w1, w2, sum; @@ -1932,6 +1973,41 @@ 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 @@ -1964,10 +2040,6 @@ TclNRExecuteByteCode( * sizeof(void *); int numWords = (size + sizeof(Tcl_Obj *) - 1) / sizeof(Tcl_Obj *); - if (iPtr->execEnvPtr->rewind) { - return TCL_ERROR; - } - codePtr->refCount++; /* @@ -1986,11 +2058,8 @@ TclNRExecuteByteCode( esPtr->tosPtr = initTosPtr; TD->codePtr = codePtr; - TD->pc = codePtr->codeStart; TD->catchTop = initCatchTop; - TD->cleanup = 0; TD->auxObjList = NULL; - TD->checkInterp = 0; /* * TIP #280: Initialize the frame. Do not push it yet: it will be pushed @@ -2000,7 +2069,6 @@ TclNRExecuteByteCode( bcFramePtr->type = ((codePtr->flags & TCL_BYTECODE_PRECOMPILED) ? TCL_LOCATION_PREBC : TCL_LOCATION_BC); bcFramePtr->level = (iPtr->cmdFramePtr ? iPtr->cmdFramePtr->level+1 : 1); - bcFramePtr->numLevels = iPtr->numLevels; bcFramePtr->framePtr = iPtr->framePtr; bcFramePtr->nextPtr = iPtr->cmdFramePtr; bcFramePtr->nline = 0; @@ -2008,8 +2076,9 @@ TclNRExecuteByteCode( bcFramePtr->litarg = NULL; bcFramePtr->data.tebc.codePtr = codePtr; bcFramePtr->data.tebc.pc = NULL; - bcFramePtr->cmd.str.cmd = NULL; - bcFramePtr->cmd.str.len = 0; + bcFramePtr->cmdObj = NULL; + bcFramePtr->cmd = NULL; + bcFramePtr->len = 0; #ifdef TCL_COMPILE_STATS iPtr->stats.numExecutions++; @@ -2019,8 +2088,8 @@ 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; } @@ -2076,9 +2145,6 @@ TEBCresume( #define auxObjList (TD->auxObjList) #define catchTop (TD->catchTop) #define codePtr (TD->codePtr) -#define checkInterp (TD->checkInterp) - /* Indicates when a check of interp readyness is - * necessary. Set by CACHE_STACK_INFO() */ /* * Globals: variables that store state, must remain valid at all times. @@ -2086,7 +2152,8 @@ 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 */ /* @@ -2094,8 +2161,10 @@ 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() */ /* * Locals - variables that are used within opcodes or bounded sections of @@ -2120,82 +2189,77 @@ 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] /* resume from invocation */) { + if (!pc) { + /* bytecode is starting from scratch */ + checkInterp = 0; + pc = codePtr->codeStart; + goto cleanup0; + } else { + /* resume from invocation */ + CACHE_STACK_INFO(); if (iPtr->execEnvPtr->rewind) { result = TCL_ERROR; + goto abnormalReturn; } + NRE_ASSERT(iPtr->cmdFramePtr == bcFramePtr); + if (bcFramePtr->cmdObj) { + Tcl_DecrRefCount(bcFramePtr->cmdObj); + bcFramePtr->cmdObj = NULL; + bcFramePtr->cmd = NULL; + } 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; codePtr->flags &= ~TCL_BYTECODE_RECOMPILE; } - CACHE_STACK_INFO(); - if (result == TCL_OK) { -#ifndef TCL_COMPILE_DEBUG - if (*pc == INST_POP) { - NEXT_INST_V(1, cleanup, 0); - } -#endif - /* - * Push the call's object result and continue execution with the - * next instruction. - */ - - TRACE_WITH_OBJ(("%u => ... after \"%.20s\": TCL_OK, result=", - objc, cmdNameBuf), Tcl_GetObjResult(interp)); - - objResultPtr = Tcl_GetObjResult(interp); - - /* - * Reset the interp's result to avoid possible duplications of - * large objects [Bug 781585]. We do not call Tcl_ResetResult to - * avoid any side effects caused by the resetting of errorInfo and - * errorCode [Bug 804681], which are not needed here. We chose - * instead to manipulate the interp's object result directly. - * - * Note that the result object is now in objResultPtr, it keeps - * the refCount it had in its role of iPtr->objResultPtr. - */ - - TclNewObj(objPtr); - Tcl_IncrRefCount(objPtr); - iPtr->objResultPtr = objPtr; - NEXT_INST_V(0, cleanup, -1); + if (result != TCL_OK) { + pc--; + goto processExceptionReturn; } /* - * Result not TCL_OK: fall through + * Push the call's object result and continue execution with the next + * instruction. */ - } - - if (iPtr->execEnvPtr->rewind) { - result = TCL_ERROR; - goto abnormalReturn; - } - if (result != TCL_OK) { - pc--; - goto processExceptionReturn; - } + TRACE_WITH_OBJ(("%u => ... after \"%.20s\": TCL_OK, result=", + objc, cmdNameBuf), Tcl_GetObjResult(interp)); - /* - * Loop executing instructions until a "done" instruction, a TCL_RETURN, - * or some error. - */ + /* + * Reset the interp's result to avoid possible duplications of large + * objects [Bug 781585]. We do not call Tcl_ResetResult to avoid any + * side effects caused by the resetting of errorInfo and errorCode + * [Bug 804681], which are not needed here. We chose instead to + * manipulate the interp's object result directly. + * + * Note that the result object is now in objResultPtr, it keeps the + * refCount it had in its role of iPtr->objResultPtr. + */ - goto cleanup0; + objResultPtr = Tcl_GetObjResult(interp); + TclNewObj(objPtr); + Tcl_IncrRefCount(objPtr); + iPtr->objResultPtr = objPtr; +#ifndef TCL_COMPILE_DEBUG + if (*pc == INST_POP) { + TclDecrRefCount(objResultPtr); + NEXT_INST_V(1, cleanup, 0); + } +#endif + NEXT_INST_V(0, cleanup, -1); + } /* * Targets for standard instruction endings; unrolled for speed in the @@ -2321,7 +2385,7 @@ TEBCresume( goto instLoadScalar1; } else if (inst == INST_PUSH1) { PUSH_OBJECT(codePtr->objArrayPtr[TclGetUInt1AtPtr(pc+1)]); - TRACE_WITH_OBJ(("%u => ", TclGetInt1AtPtr(pc+1)), OBJ_AT_TOS); + TRACE_WITH_OBJ(("%u => ", TclGetUInt1AtPtr(pc+1)), OBJ_AT_TOS); inst = *(pc += 2); goto peepholeStart; } else if (inst == INST_START_CMD) { @@ -2332,13 +2396,22 @@ TEBCresume( iPtr->cmdCount += TclGetUInt4AtPtr(pc+5); if (checkInterp) { checkInterp = 0; - if ((codePtr->compileEpoch != iPtr->compileEpoch) - || (codePtr->nsEpoch != iPtr->varFramePtr->nsPtr->resolverEpoch)) { + if (((codePtr->compileEpoch != iPtr->compileEpoch) || + (codePtr->nsEpoch != iPtr->varFramePtr->nsPtr->resolverEpoch)) && + !(codePtr->flags & TCL_BYTECODE_PRECOMPILED)) { goto instStartCmdFailed; } } inst = *(pc += 9); goto peepholeStart; + } else if (inst == INST_NOP) { +#ifndef TCL_COMPILE_DEBUG + while (inst == INST_NOP) +#endif + { + inst = *++pc; + } + goto peepholeStart; } switch (inst) { @@ -2354,7 +2427,7 @@ TEBCresume( TRACE(("%u %u => ", code, level)); result = TclProcessReturn(interp, code, level, OBJ_AT_TOS); if (result == TCL_OK) { - TRACE_APPEND(("continuing to next instruction (result=\"%.30s\")", + TRACE_APPEND(("continuing to next instruction (result=\"%.30s\")\n", O2S(objResultPtr))); NEXT_INST_F(9, 1, 0); } @@ -2363,6 +2436,7 @@ TEBCresume( iPtr->flags &= ~ERR_ALREADY_LOGGED; } cleanup = 2; + TRACE_APPEND(("\n")); goto processExceptionReturn; } @@ -2370,36 +2444,119 @@ TEBCresume( TRACE(("=> ")); objResultPtr = POP_OBJECT(); result = Tcl_SetReturnOptions(interp, OBJ_AT_TOS); - Tcl_DecrRefCount(OBJ_AT_TOS); - OBJ_AT_TOS = objResultPtr; if (result == TCL_OK) { - TRACE_APPEND(("continuing to next instruction (result=\"%.30s\")", + Tcl_DecrRefCount(OBJ_AT_TOS); + OBJ_AT_TOS = objResultPtr; + TRACE_APPEND(("continuing to next instruction (result=\"%.30s\")\n", O2S(objResultPtr))); NEXT_INST_F(1, 0, 0); + } else if (result == TCL_ERROR) { + /* + * BEWARE! Must do this in this order, because an error in the + * option dictionary overrides the result (and can be verified by + * test). + */ + + Tcl_SetObjResult(interp, objResultPtr); + Tcl_SetReturnOptions(interp, OBJ_AT_TOS); + Tcl_DecrRefCount(OBJ_AT_TOS); + OBJ_AT_TOS = objResultPtr; + } else { + Tcl_DecrRefCount(OBJ_AT_TOS); + OBJ_AT_TOS = objResultPtr; + Tcl_SetObjResult(interp, objResultPtr); } - Tcl_SetObjResult(interp, objResultPtr); cleanup = 1; + 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")); Tcl_SetObjResult(interp, Tcl_NewStringObj( "yield can only be called in a coroutine", -1)); + DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "TCL", "COROUTINE", "ILLEGAL_YIELD", NULL); + CACHE_STACK_INFO(); goto gotError; } #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. */ @@ -2408,18 +2565,14 @@ TEBCresume( iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, 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; } @@ -2432,11 +2585,14 @@ TEBCresume( TRACE(("%d => ERROR: tailcall in non-proc context\n", opnd)); Tcl_SetObjResult(interp, Tcl_NewStringObj( "tailcall can only be called from a proc or lambda", -1)); + DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "TCL", "TAILCALL", "ILLEGAL", NULL); + CACHE_STACK_INFO(); goto gotError; } #ifdef TCL_COMPILE_DEBUG + /* FIXME: What is the right thing to trace? */ { register int i; @@ -2502,9 +2658,6 @@ TEBCresume( TclDecrRefCount(objPtr); NEXT_INST_F(1, 0, 0); - case INST_NOP: - NEXT_INST_F(1, 0, 0); - case INST_DUP: objResultPtr = OBJ_AT_TOS; TRACE_WITH_OBJ(("=> "), objResultPtr); @@ -2513,7 +2666,7 @@ TEBCresume( case INST_OVER: opnd = TclGetUInt4AtPtr(pc+1); objResultPtr = OBJ_AT_DEPTH(opnd); - TRACE_WITH_OBJ(("=> "), objResultPtr); + TRACE_WITH_OBJ(("%u => ", opnd), objResultPtr); NEXT_INST_F(5, 0, 1); case INST_REVERSE: { @@ -2528,10 +2681,11 @@ TEBCresume( *b = tmpPtr; a++; b--; } + TRACE(("%u => OK\n", opnd)); NEXT_INST_F(5, 0, 0); } - case INST_CONCAT1: { + case INST_STR_CONCAT1: { int appendLen = 0; char *bytes, *p; Tcl_Obj **currPtr; @@ -2611,7 +2765,7 @@ TEBCresume( Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX); } -#if !TCL_COMPILE_DEBUG +#ifndef TCL_COMPILE_DEBUG if (bytes != tclEmptyStringRep && !Tcl_IsShared(objResultPtr)) { TclFreeIntRep(objResultPtr); objResultPtr->bytes = ckrealloc(bytes, length+appendLen+1); @@ -2647,7 +2801,7 @@ TEBCresume( Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX); } -#if !TCL_COMPILE_DEBUG +#ifndef TCL_COMPILE_DEBUG if (!Tcl_IsShared(objResultPtr)) { bytes = (char *) Tcl_SetByteArrayLength(objResultPtr, length + appendLen); @@ -2680,6 +2834,17 @@ TEBCresume( NEXT_INST_V(2, opnd, 1); } + case INST_CONCAT_STK: + /* + * Pop the opnd (objc) top stack elements, run through Tcl_ConcatObj, + * and then decrement their ref counts. + */ + + opnd = TclGetUInt4AtPtr(pc+1); + objResultPtr = Tcl_ConcatObj(opnd, &OBJ_AT_DEPTH(opnd-1)); + TRACE_WITH_OBJ(("%u => ", opnd), objResultPtr); + NEXT_INST_V(5, opnd, 1); + case INST_EXPAND_START: /* * Push an element to the auxObjList. This records the current @@ -2696,9 +2861,28 @@ TEBCresume( TclNewObj(objPtr); objPtr->internalRep.ptrAndLongRep.value = CURR_DEPTH; + objPtr->length = 0; PUSH_TAUX_OBJ(objPtr); + TRACE(("=> mark depth as %d\n", (int) CURR_DEPTH)); NEXT_INST_F(1, 0, 0); + case INST_EXPAND_DROP: + /* + * Drops an element of the auxObjList, popping stack elements to + * restore the stack to the state before the point where the aux + * element was created. + */ + + CLANG_ASSERT(auxObjList); + objc = CURR_DEPTH - auxObjList->internalRep.ptrAndLongRep.value; + POP_TAUX_OBJ(); +#ifdef TCL_COMPILE_DEBUG + /* Ugly abuse! */ + starting = 1; +#endif + TRACE(("=> drop %d items\n", objc)); + NEXT_INST_V(1, objc, 0); + case INST_EXPAND_STKTOP: { int i; ptrdiff_t moved; @@ -2710,9 +2894,9 @@ TEBCresume( */ objPtr = OBJ_AT_TOS; + TRACE(("\"%.30s\" => ", O2S(objPtr))); if (TclListObjGetElements(interp, objPtr, &objc, &objv) != TCL_OK) { - TRACE_WITH_OBJ(("%.30s => ERROR: ", O2S(objPtr)), - Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } (void) POP_OBJECT(); @@ -2724,22 +2908,27 @@ TEBCresume( * stack depth, as seen by the compiler. */ - length = objc + (codePtr->maxStackDepth - TclGetInt4AtPtr(pc+1)); - DECACHE_STACK_INFO(); - moved = GrowEvaluationStack(iPtr->execEnvPtr, length, 1) - - (Tcl_Obj **) TD; - if (moved) { - /* - * Change the global data to point to the new stack: move the - * TEBCdataPtr TD, recompute the position of every other - * stack-allocated parameter, update the stack pointers. - */ + auxObjList->length += objc - 1; + if ((objc > 1) && (auxObjList->length > 0)) { + length = auxObjList->length /* Total expansion room we need */ + + codePtr->maxStackDepth /* Beyond the original max */ + - CURR_DEPTH; /* Relative to where we are */ + DECACHE_STACK_INFO(); + moved = GrowEvaluationStack(iPtr->execEnvPtr, length, 1) + - (Tcl_Obj **) TD; + if (moved) { + /* + * Change the global data to point to the new stack: move the + * TEBCdataPtr TD, recompute the position of every other + * stack-allocated parameter, update the stack pointers. + */ - esPtr = iPtr->execEnvPtr->execStackPtr; - TD = (TEBCdata *) (((Tcl_Obj **)TD) + moved); + esPtr = iPtr->execEnvPtr->execStackPtr; + TD = (TEBCdata *) (((Tcl_Obj **)TD) + moved); - catchTop += moved; - tosPtr += moved; + catchTop += moved; + tosPtr += moved; + } } /* @@ -2751,6 +2940,7 @@ TEBCresume( PUSH_OBJECT(objv[i]); } + TRACE_APPEND(("OK\n")); Tcl_DecrRefCount(objPtr); NEXT_INST_F(5, 0, 0); } @@ -2843,8 +3033,7 @@ TEBCresume( iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, pc - codePtr->codeStart); + ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv); } DECACHE_STACK_INFO(); @@ -2852,7 +3041,7 @@ TEBCresume( pc += pcAdjustment; TEBC_YIELD(); return TclNREvalObjv(interp, objc, objv, - TCL_EVAL_NOERR, NULL); + TCL_EVAL_NOERR | TCL_EVAL_SOURCE_IN_FRAME, NULL); #if TCL_SUPPORT_84_BYTECODE case INST_CALL_BUILTIN_FUNC1: @@ -2989,8 +3178,7 @@ 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); + ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv); } iPtr->ensembleRewrite.sourceObjs = objv; iPtr->ensembleRewrite.numRemovedObjs = opnd; @@ -3089,7 +3277,7 @@ TEBCresume( varPtr = TclLookupArrayElement(interp, part1Ptr, part2Ptr, TCL_LEAVE_ERR_MSG, "read", 0, 1, arrayPtr, opnd); if (varPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } cleanup = 1; @@ -3115,7 +3303,7 @@ TEBCresume( TCL_LEAVE_ERR_MSG, "read", /*createPart1*/0, /*createPart2*/1, &arrayPtr); if (!varPtr) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } @@ -3142,7 +3330,7 @@ TEBCresume( part1Ptr, part2Ptr, TCL_LEAVE_ERR_MSG, opnd); CACHE_STACK_INFO(); if (!objResultPtr) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); @@ -3291,7 +3479,7 @@ TEBCresume( varPtr = TclObjLookupVarEx(interp, objPtr,part2Ptr, TCL_LEAVE_ERR_MSG, "set", /*createPart1*/ 1, /*createPart2*/ 1, &arrayPtr); if (!varPtr) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } cleanup = ((part2Ptr == NULL)? 2 : 3); @@ -3341,7 +3529,7 @@ TEBCresume( varPtr = TclLookupArrayElement(interp, part1Ptr, part2Ptr, TCL_LEAVE_ERR_MSG, "set", 1, 1, arrayPtr, opnd); if (!varPtr) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } goto doCallPtrSetVar; @@ -3389,7 +3577,7 @@ TEBCresume( part1Ptr, part2Ptr, valuePtr, storeFlags, opnd); CACHE_STACK_INFO(); if (!objResultPtr) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } #ifndef TCL_COMPILE_DEBUG @@ -3415,7 +3603,7 @@ TEBCresume( { Tcl_Obj *incrPtr; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG Tcl_WideInt w; #endif long increment; @@ -3464,9 +3652,11 @@ TEBCresume( varPtr = TclObjLookupVarEx(interp, objPtr, part2Ptr, TCL_LEAVE_ERR_MSG, "read", 1, 1, &arrayPtr); if (!varPtr) { - Tcl_AddObjErrorInfo(interp, - "\n (reading value of variable to increment)", -1); - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + DECACHE_STACK_INFO(); + Tcl_AddErrorInfo(interp, + "\n (reading value of variable to increment)"); + CACHE_STACK_INFO(); + TRACE_ERROR(interp); Tcl_DecrRefCount(incrPtr); goto gotError; } @@ -3492,7 +3682,7 @@ TEBCresume( varPtr = TclLookupArrayElement(interp, part1Ptr, part2Ptr, TCL_LEAVE_ERR_MSG, "read", 1, 1, arrayPtr, opnd); if (!varPtr) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); Tcl_DecrRefCount(incrPtr); goto gotError; } @@ -3537,7 +3727,7 @@ TEBCresume( } goto doneIncr; } -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG w = (Tcl_WideInt)augend; TRACE(("%u %ld => ", opnd, increment)); @@ -3559,7 +3749,7 @@ TEBCresume( goto doneIncr; #endif } /* end if (type == TCL_NUMBER_LONG) */ -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if (type == TCL_NUMBER_WIDE) { Tcl_WideInt sum; @@ -3604,8 +3794,7 @@ TEBCresume( TclNewLongObj(incrPtr, increment); if (TclIncrObj(interp, objResultPtr, incrPtr) != TCL_OK) { Tcl_DecrRefCount(incrPtr); - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } Tcl_DecrRefCount(incrPtr); @@ -3627,7 +3816,7 @@ TEBCresume( arrayPtr = NULL; part1Ptr = part2Ptr = NULL; cleanup = 0; - TRACE(("%u %ld => ", opnd, increment)); + TRACE(("%u %s => ", opnd, Tcl_GetString(incrPtr))); doIncrVar: if (TclIsVarDirectModifyable2(varPtr, arrayPtr)) { @@ -3642,8 +3831,7 @@ TEBCresume( } if (TclIncrObj(interp, objResultPtr, incrPtr) != TCL_OK) { Tcl_DecrRefCount(incrPtr); - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } Tcl_DecrRefCount(incrPtr); @@ -3654,8 +3842,7 @@ TEBCresume( CACHE_STACK_INFO(); Tcl_DecrRefCount(incrPtr); if (objResultPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -3676,6 +3863,8 @@ TEBCresume( */ case INST_EXIST_SCALAR: + cleanup = 0; + pcAdjustment = 5; opnd = TclGetUInt4AtPtr(pc+1); varPtr = LOCAL(opnd); while (TclIsVarLink(varPtr)) { @@ -3692,16 +3881,11 @@ TEBCresume( varPtr = NULL; } } - - /* - * Tricky! Arrays always exist. - */ - - objResultPtr = TCONST(!varPtr || TclIsVarUndefined(varPtr) ? 0 : 1); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); - NEXT_INST_F(5, 0, 1); + goto afterExistsPeephole; case INST_EXIST_ARRAY: + cleanup = 1; + pcAdjustment = 5; opnd = TclGetUInt4AtPtr(pc+1); part2Ptr = OBJ_AT_TOS; arrayPtr = LOCAL(opnd); @@ -3712,7 +3896,7 @@ TEBCresume( if (TclIsVarArray(arrayPtr) && !ReadTraced(arrayPtr)) { varPtr = VarHashFindVar(arrayPtr->value.tablePtr, part2Ptr); if (!varPtr || !ReadTraced(varPtr)) { - goto doneExistArray; + goto afterExistsPeephole; } } varPtr = TclLookupArrayElement(interp, NULL, part2Ptr, 0, "access", @@ -3729,13 +3913,11 @@ TEBCresume( varPtr = NULL; } } - doneExistArray: - objResultPtr = TCONST(!varPtr || TclIsVarUndefined(varPtr) ? 0 : 1); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); - NEXT_INST_F(5, 1, 1); + goto afterExistsPeephole; case INST_EXIST_ARRAY_STK: cleanup = 2; + pcAdjustment = 1; part2Ptr = OBJ_AT_TOS; /* element name */ part1Ptr = OBJ_UNDER_TOS; /* array name */ TRACE(("\"%.30s(%.30s)\" => ", O2S(part1Ptr), O2S(part2Ptr))); @@ -3743,6 +3925,7 @@ TEBCresume( case INST_EXIST_STK: cleanup = 1; + pcAdjustment = 1; part2Ptr = NULL; part1Ptr = OBJ_AT_TOS; /* variable name */ TRACE(("\"%.30s\" => ", O2S(part1Ptr))); @@ -3762,9 +3945,17 @@ TEBCresume( varPtr = NULL; } } - objResultPtr = TCONST(!varPtr || TclIsVarUndefined(varPtr) ? 0 : 1); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); - NEXT_INST_V(1, cleanup, 1); + + /* + * Peep-hole optimisation: if you're about to jump, do jump from here. + */ + + afterExistsPeephole: { + int found = (varPtr && !TclIsVarUndefined(varPtr)); + + TRACE_APPEND(("%d\n", found ? 1 : 0)); + JUMP_PEEPHOLE_V(found, pcAdjustment, cleanup); + } /* * End of INST_EXIST instructions. @@ -3782,7 +3973,7 @@ TEBCresume( while (TclIsVarLink(varPtr)) { varPtr = varPtr->value.linkPtr; } - TRACE(("%s %u\n", (flags?"normal":"noerr"), opnd)); + TRACE(("%s %u => ", (flags ? "normal" : "noerr"), opnd)); if (TclIsVarDirectUnsettable(varPtr) && !TclIsVarInHash(varPtr)) { /* * No errors, no traces, no searches: just make the variable cease @@ -3795,6 +3986,7 @@ TEBCresume( goto slowUnsetScalar; } varPtr->value.objPtr = NULL; + TRACE_APPEND(("OK\n")); NEXT_INST_F(6, 0, 0); } @@ -3815,7 +4007,7 @@ TEBCresume( while (TclIsVarLink(arrayPtr)) { arrayPtr = arrayPtr->value.linkPtr; } - TRACE(("%s %u \"%.30s\"\n", + TRACE(("%s %u \"%.30s\" => ", (flags ? "normal" : "noerr"), opnd, O2S(part2Ptr))); if (TclIsVarArray(arrayPtr) && !UnsetTraced(arrayPtr)) { varPtr = VarHashFindVar(arrayPtr->value.tablePtr, part2Ptr); @@ -3831,12 +4023,14 @@ TEBCresume( goto slowUnsetArray; } varPtr->value.objPtr = NULL; + TRACE_APPEND(("OK\n")); NEXT_INST_F(6, 1, 0); } else if (!varPtr && !(flags & TCL_LEAVE_ERR_MSG)) { /* * Don't need to do anything here. */ + TRACE_APPEND(("OK\n")); NEXT_INST_F(6, 1, 0); } } @@ -3860,7 +4054,7 @@ TEBCresume( cleanup = 2; part2Ptr = OBJ_AT_TOS; /* element name */ part1Ptr = OBJ_UNDER_TOS; /* array name */ - TRACE(("%s \"%.30s(%.30s)\"\n", (flags?"normal":"noerr"), + TRACE(("%s \"%.30s(%.30s)\" => ", (flags ? "normal" : "noerr"), O2S(part1Ptr), O2S(part2Ptr))); goto doUnsetStk; @@ -3869,7 +4063,8 @@ TEBCresume( cleanup = 1; part2Ptr = NULL; part1Ptr = OBJ_AT_TOS; /* variable name */ - TRACE(("%s \"%.30s\"\n", (flags?"normal":"noerr"), O2S(part1Ptr))); + TRACE(("%s \"%.30s\" => ", (flags ? "normal" : "noerr"), + O2S(part1Ptr))); doUnsetStk: DECACHE_STACK_INFO(); @@ -3878,11 +4073,12 @@ TEBCresume( goto errorInUnset; } CACHE_STACK_INFO(); + TRACE_APPEND(("OK\n")); NEXT_INST_V(2, cleanup, 0); errorInUnset: CACHE_STACK_INFO(); - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; /* @@ -3891,7 +4087,7 @@ TEBCresume( case INST_DICT_DONE: opnd = TclGetUInt4AtPtr(pc+1); - TRACE(("%u\n", opnd)); + TRACE(("%u => OK\n", opnd)); varPtr = LOCAL(opnd); while (TclIsVarLink(varPtr)) { varPtr = varPtr->value.linkPtr; @@ -3944,8 +4140,7 @@ TEBCresume( TCL_GLOBAL_ONLY|TCL_TRACE_ARRAY), 1, opnd); CACHE_STACK_INFO(); if (result == TCL_ERROR) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -3978,7 +4173,7 @@ TEBCresume( varPtr = TclObjLookupVarEx(interp, part1Ptr, NULL, TCL_LEAVE_ERR_MSG, "set", /*createPart1*/1, /*createPart2*/0, &arrayPtr); if (varPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } doArrayMake: @@ -3990,9 +4185,10 @@ TEBCresume( TclObjVarErrMsg(interp, part1Ptr, NULL, "array set", "variable isn't array", opnd); + DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "TCL", "WRITE", "ARRAY", NULL); - TRACE_APPEND(("ERROR: bad array ref: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + CACHE_STACK_INFO(); + TRACE_ERROR(interp); goto gotError; } TclSetVarArray(varPtr); @@ -4020,9 +4216,11 @@ TEBCresume( Namespace *savedNsPtr; case INST_UPVAR: - TRACE_WITH_OBJ(("upvar "), OBJ_UNDER_TOS); + TRACE(("%d %.30s %.30s => ", TclGetInt4AtPtr(pc+1), + O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS))); if (TclObjGetFrame(interp, OBJ_UNDER_TOS, &framePtr) == -1) { + TRACE_ERROR(interp); goto gotError; } @@ -4037,13 +4235,16 @@ TEBCresume( /*createPart2*/ 1, &varPtr); iPtr->varFramePtr = savedFramePtr; if (!otherPtr) { + TRACE_ERROR(interp); goto gotError; } goto doLinkVars; case INST_NSUPVAR: - TRACE_WITH_OBJ(("nsupvar "), OBJ_UNDER_TOS); + TRACE(("%d %.30s %.30s => ", TclGetInt4AtPtr(pc+1), + O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS))); if (TclGetNamespaceFromObj(interp, OBJ_UNDER_TOS, &nsPtr) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } @@ -4058,16 +4259,18 @@ TEBCresume( /*createPart1*/ 1, /*createPart2*/ 1, &varPtr); iPtr->varFramePtr->nsPtr = savedNsPtr; if (!otherPtr) { + TRACE_ERROR(interp); goto gotError; } goto doLinkVars; case INST_VARIABLE: - TRACE(("variable ")); + TRACE(("%d, %.30s => ", TclGetInt4AtPtr(pc+1), O2S(OBJ_AT_TOS))); otherPtr = TclObjLookupVarEx(interp, OBJ_AT_TOS, NULL, (TCL_NAMESPACE_ONLY | TCL_LEAVE_ERR_MSG), "access", /*createPart1*/ 1, /*createPart2*/ 1, &varPtr); if (!otherPtr) { + TRACE_ERROR(interp); goto gotError; } @@ -4085,7 +4288,7 @@ TEBCresume( * if there are no errors; otherwise, let it handle the case. */ - opnd = TclGetInt4AtPtr(pc+1);; + opnd = TclGetInt4AtPtr(pc+1); varPtr = LOCAL(opnd); if ((varPtr != otherPtr) && !TclIsVarTraced(varPtr) && (TclIsVarUndefined(varPtr) || TclIsVarLink(varPtr))) { @@ -4097,6 +4300,7 @@ TEBCresume( Var *linkPtr = varPtr->value.linkPtr; if (linkPtr == otherPtr) { + TRACE_APPEND(("already linked\n")); NEXT_INST_F(5, 1, 0); } if (TclIsVarInHash(linkPtr)) { @@ -4113,6 +4317,7 @@ TEBCresume( } } else if (TclPtrObjMakeUpvar(interp, otherPtr, NULL, 0, opnd) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } @@ -4121,6 +4326,7 @@ TEBCresume( * variables - and [variable] did not push it at all. */ + TRACE_APPEND(("link made\n")); NEXT_INST_F(5, 1, 0); } @@ -4167,32 +4373,30 @@ TEBCresume( doCondJump: valuePtr = OBJ_AT_TOS; + TRACE(("%d => ", jmpOffset[ + (*pc==INST_JUMP_FALSE1 || *pc==INST_JUMP_FALSE4) ? 0 : 1])); /* TODO - check claim that taking address of b harms performance */ /* TODO - consider optimization search for constants */ if (TclGetBooleanFromObj(interp, valuePtr, &b) != TCL_OK) { - TRACE_WITH_OBJ(("%d => ERROR: ", jmpOffset[ - ((*pc == INST_JUMP_FALSE1) || (*pc == INST_JUMP_FALSE4)) - ? 0 : 1]), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } #ifdef TCL_COMPILE_DEBUG if (b) { if ((*pc == INST_JUMP_TRUE1) || (*pc == INST_JUMP_TRUE4)) { - TRACE(("%d => %.20s true, new pc %u\n", jmpOffset[1], - O2S(valuePtr), + TRACE_APPEND(("%.20s true, new pc %u\n", O2S(valuePtr), (unsigned)(pc + jmpOffset[1] - codePtr->codeStart))); } else { - TRACE(("%d => %.20s true\n", jmpOffset[0], O2S(valuePtr))); + TRACE_APPEND(("%.20s true\n", O2S(valuePtr))); } } else { if ((*pc == INST_JUMP_TRUE1) || (*pc == INST_JUMP_TRUE4)) { - TRACE(("%d => %.20s false\n", jmpOffset[0], O2S(valuePtr))); + TRACE_APPEND(("%.20s false\n", O2S(valuePtr))); } else { - TRACE(("%d => %.20s false, new pc %u\n", jmpOffset[0], - O2S(valuePtr), - (unsigned)(pc + jmpOffset[1] - codePtr->codeStart))); + TRACE_APPEND(("%.20s false, new pc %u\n", O2S(valuePtr), + (unsigned)(pc + jmpOffset[0] - codePtr->codeStart))); } } #endif @@ -4210,7 +4414,7 @@ TEBCresume( opnd = TclGetInt4AtPtr(pc+1); jtPtr = (JumptableInfo *) codePtr->auxDataArrayPtr[opnd].clientData; - TRACE(("%d => %.20s ", opnd, O2S(OBJ_AT_TOS))); + TRACE(("%d \"%.20s\" => ", opnd, O2S(OBJ_AT_TOS))); hPtr = Tcl_FindHashEntry(&jtPtr->hashTable, TclGetString(OBJ_AT_TOS)); if (hPtr != NULL) { int jumpOffset = PTR2INT(Tcl_GetHashValue(hPtr)); @@ -4305,13 +4509,11 @@ TEBCresume( register CallFrame *framePtr = iPtr->varFramePtr; register CallFrame *rootFramePtr = iPtr->rootFramePtr; - valuePtr = OBJ_AT_TOS; - if (TclGetIntFromObj(interp, valuePtr, &level) != TCL_OK) { - TRACE_WITH_OBJ(("%.30s => ERROR: ", O2S(valuePtr)), - Tcl_GetObjResult(interp)); + TRACE(("\"%.30s\" => ", O2S(OBJ_AT_TOS))); + if (TclGetIntFromObj(interp, OBJ_AT_TOS, &level) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } - TRACE(("%d => ", level)); if (level <= 0) { level += framePtr->level; } @@ -4320,38 +4522,76 @@ TEBCresume( /* Empty loop body */ } if (framePtr == rootFramePtr) { - Tcl_AppendResult(interp, "bad level \"", TclGetString(valuePtr), - "\"", NULL); - TRACE_APPEND(("ERROR: bad level\n")); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "bad level \"%s\"", TclGetString(OBJ_AT_TOS))); + TRACE_ERROR(interp); + DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "STACK_LEVEL", - TclGetString(valuePtr), NULL); + TclGetString(OBJ_AT_TOS), NULL); + CACHE_STACK_INFO(); goto gotError; } objResultPtr = Tcl_NewListObj(framePtr->objc, framePtr->objv); TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } - case INST_RESOLVE_COMMAND: { - Tcl_Command cmd = Tcl_GetCommandFromObj(interp, OBJ_AT_TOS); + { + Tcl_Command cmd, origCmd; + case INST_RESOLVE_COMMAND: + cmd = Tcl_GetCommandFromObj(interp, OBJ_AT_TOS); TclNewObj(objResultPtr); if (cmd != NULL) { Tcl_GetCommandFullName(interp, cmd, objResultPtr); } TRACE_WITH_OBJ(("\"%.20s\" => ", O2S(OBJ_AT_TOS)), objResultPtr); NEXT_INST_F(1, 1, 1); + + case INST_ORIGIN_COMMAND: + TRACE(("\"%.30s\" => ", O2S(OBJ_AT_TOS))); + cmd = Tcl_GetCommandFromObj(interp, OBJ_AT_TOS); + if (cmd == NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "invalid command name \"%s\"", TclGetString(OBJ_AT_TOS))); + DECACHE_STACK_INFO(); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "COMMAND", + TclGetString(OBJ_AT_TOS), NULL); + CACHE_STACK_INFO(); + TRACE_APPEND(("ERROR: not command\n")); + goto gotError; + } + origCmd = TclGetOriginalCommand(cmd); + if (origCmd == NULL) { + origCmd = cmd; + } + TclNewObj(objResultPtr); + Tcl_GetCommandFullName(interp, origCmd, objResultPtr); + TRACE_APPEND(("\"%.30s\"", O2S(OBJ_AT_TOS))); + NEXT_INST_F(1, 1, 1); } - case INST_TCLOO_SELF: { - CallFrame *framePtr = iPtr->varFramePtr; + + /* + * ----------------------------------------------------------------- + * Start of TclOO support instructions. + */ + + { + Object *oPtr; + CallFrame *framePtr; CallContext *contextPtr; + int skip, newDepth; + case INST_TCLOO_SELF: + framePtr = iPtr->varFramePtr; if (framePtr == NULL || !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { TRACE(("=> ERROR: no TclOO call context\n")); Tcl_SetObjResult(interp, Tcl_NewStringObj( "self 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; @@ -4363,9 +4603,212 @@ TEBCresume( objResultPtr = TclOOObjectName(interp, contextPtr->oPtr); TRACE_WITH_OBJ(("=> "), objResultPtr); NEXT_INST_F(1, 0, 1); - } - { - Object *oPtr; + + 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)) { + TRACE_APPEND(("ERROR: no TclOO call context\n")); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "next 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; + + 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) { + ArgumentBCEnter(interp, codePtr, TD, pc, opnd, objv); + } + + pcAdjustment = 2; + cleanup = opnd; + DECACHE_STACK_INFO(); + iPtr->varFramePtr = framePtr->callerVarPtr; + pc += pcAdjustment; + TEBC_YIELD(); + + 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); @@ -4399,6 +4842,7 @@ TEBCresume( } /* + * End of TclOO support instructions. * ----------------------------------------------------------------- * Start of INST_LIST and related instructions. */ @@ -4420,19 +4864,19 @@ TEBCresume( NEXT_INST_V(5, opnd, 1); case INST_LIST_LENGTH: - valuePtr = OBJ_AT_TOS; - if (TclListObjLength(interp, valuePtr, &length) != TCL_OK) { - TRACE_WITH_OBJ(("%.30s => ERROR: ", O2S(valuePtr)), - Tcl_GetObjResult(interp)); + TRACE(("\"%.30s\" => ", O2S(OBJ_AT_TOS))); + if (TclListObjLength(interp, OBJ_AT_TOS, &length) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } TclNewIntObj(objResultPtr, length); - TRACE(("%.20s => %d\n", O2S(valuePtr), length)); + TRACE_APPEND(("%d\n", length)); NEXT_INST_F(1, 1, 1); case INST_LIST_INDEX: /* lindex with objc == 3 */ value2Ptr = OBJ_AT_TOS; valuePtr = OBJ_UNDER_TOS; + TRACE(("\"%.30s\" \"%.30s\" => ", O2S(valuePtr), O2S(value2Ptr))); /* * Extract the desired list element. @@ -4450,8 +4894,7 @@ TEBCresume( objResultPtr = TclLindexList(interp, valuePtr, value2Ptr); if (!objResultPtr) { - TRACE_WITH_OBJ(("%.30s %.30s => ERROR: ", O2S(valuePtr), - O2S(value2Ptr)), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4459,8 +4902,7 @@ TEBCresume( * Stash the list element on the stack. */ - TRACE(("%.20s %.20s => %s\n", - O2S(valuePtr), O2S(value2Ptr), O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 2, -1); /* Already has the correct refCount */ case INST_LIST_INDEX_IMM: /* lindex with objc==3 and index in bytecode @@ -4472,6 +4914,7 @@ TEBCresume( valuePtr = OBJ_AT_TOS; opnd = TclGetInt4AtPtr(pc+1); + TRACE(("\%.30s\" %d => ", O2S(valuePtr), opnd)); /* * Get the contents of the list, making sure that it really is a list @@ -4479,8 +4922,7 @@ TEBCresume( */ if (TclListObjGetElements(interp, valuePtr, &objc, &objv) != TCL_OK) { - TRACE_WITH_OBJ(("\"%.30s\" %d => ERROR: ", O2S(valuePtr), opnd), - Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4503,8 +4945,7 @@ TEBCresume( TclNewObj(objResultPtr); } - TRACE_WITH_OBJ(("\"%.30s\" %d => ", O2S(valuePtr), opnd), - objResultPtr); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(pcAdjustment, 1, 1); case INST_LIST_INDEX_MULTI: /* 'lindex' with multiple index args */ @@ -4519,10 +4960,11 @@ TEBCresume( * Do the 'lindex' operation. */ + TRACE(("%d => ", opnd)); objResultPtr = TclLindexFlat(interp, OBJ_AT_DEPTH(numIndices), numIndices, &OBJ_AT_DEPTH(numIndices - 1)); if (!objResultPtr) { - TRACE_WITH_OBJ(("%d => ERROR: ", opnd), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4530,7 +4972,7 @@ TEBCresume( * Set result. */ - TRACE(("%d => %s\n", opnd, O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_V(5, opnd, -1); case INST_LSET_FLAT: @@ -4540,6 +4982,7 @@ TEBCresume( opnd = TclGetUInt4AtPtr(pc + 1); numIndices = opnd - 2; + TRACE(("%d => ", opnd)); /* * Get the old value of variable, and remove the stack ref. This is @@ -4558,7 +5001,7 @@ TEBCresume( objResultPtr = TclLsetFlat(interp, valuePtr, numIndices, &OBJ_AT_DEPTH(numIndices), OBJ_AT_TOS); if (!objResultPtr) { - TRACE_WITH_OBJ(("%d => ERROR: ", opnd), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4566,7 +5009,7 @@ TEBCresume( * Set result. */ - TRACE(("%d => %s\n", opnd, O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_V(5, numIndices+1, -1); case INST_LSET_LIST: /* 'lset' with 4 args */ @@ -4586,6 +5029,8 @@ TEBCresume( valuePtr = OBJ_AT_TOS; value2Ptr = OBJ_UNDER_TOS; + TRACE(("\"%.30s\" \"%.30s\" \"%.30s\" => ", + O2S(value2Ptr), O2S(valuePtr), O2S(objPtr))); /* * Compute the new variable value. @@ -4593,8 +5038,7 @@ TEBCresume( objResultPtr = TclLsetList(interp, objPtr, value2Ptr, valuePtr); if (!objResultPtr) { - TRACE_WITH_OBJ(("\"%.30s\" => ERROR: ", O2S(value2Ptr)), - Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4602,7 +5046,7 @@ TEBCresume( * Set result. */ - TRACE(("=> %s\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 2, -1); case INST_LIST_RANGE_IMM: /* lrange with objc==4 and both indices in @@ -4615,6 +5059,8 @@ TEBCresume( valuePtr = OBJ_AT_TOS; fromIdx = TclGetInt4AtPtr(pc+1); toIdx = TclGetInt4AtPtr(pc+5); + TRACE(("\"%.30s\" %d %d => ", O2S(valuePtr), TclGetInt4AtPtr(pc+1), + TclGetInt4AtPtr(pc+5))); /* * Get the contents of the list, making sure that it really is a list @@ -4622,8 +5068,7 @@ TEBCresume( */ if (TclListObjGetElements(interp, valuePtr, &objc, &objv) != TCL_OK) { - TRACE_WITH_OBJ(("\"%.30s\" %d %d => ERROR: ", O2S(valuePtr), - fromIdx, toIdx), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4680,9 +5125,7 @@ TEBCresume( List *listPtr = valuePtr->internalRep.twoPtrValue.ptr1; if (listPtr->refCount == 1) { - TRACE(("\"%.30s\" %d %d => ", O2S(valuePtr), - TclGetInt4AtPtr(pc+1), TclGetInt4AtPtr(pc+5))); - for (index=toIdx+1 ; index<objc-1 ; index++) { + for (index=toIdx+1; index<objc ; index++) { TclDecrRefCount(objv[index]); } listPtr->elemCount = toIdx+1; @@ -4697,8 +5140,7 @@ TEBCresume( TclNewObj(objResultPtr); } - TRACE_WITH_OBJ(("\"%.30s\" %d %d => ", O2S(valuePtr), - TclGetInt4AtPtr(pc+1), TclGetInt4AtPtr(pc+5)), objResultPtr); + TRACE_APPEND(("\"%.30s\"", O2S(objResultPtr))); NEXT_INST_F(9, 1, 1); case INST_LIST_IN: @@ -4707,9 +5149,9 @@ TEBCresume( valuePtr = OBJ_UNDER_TOS; s1 = TclGetStringFromObj(valuePtr, &s1len); + TRACE(("\"%.30s\" \"%.30s\" => ", O2S(valuePtr), O2S(value2Ptr))); if (TclListObjLength(interp, value2Ptr, &length) != TCL_OK) { - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ERROR: ", O2S(valuePtr), - O2S(value2Ptr)), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } match = 0; @@ -4740,7 +5182,7 @@ TEBCresume( match = !match; } - TRACE(("%.20s %.20s => %d\n", O2S(valuePtr), O2S(value2Ptr), match)); + TRACE_APPEND(("%d\n", match)); /* * Peep-hole optimisation: if you're about to jump, do jump from here. @@ -4748,21 +5190,30 @@ TEBCresume( * for branching. */ - pc++; -#ifndef TCL_COMPILE_DEBUG - switch (*pc) { - case INST_JUMP_FALSE1: - NEXT_INST_F((match ? 2 : TclGetInt1AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE1: - NEXT_INST_F((match ? TclGetInt1AtPtr(pc+1) : 2), 2, 0); - case INST_JUMP_FALSE4: - NEXT_INST_F((match ? 5 : TclGetInt4AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE4: - NEXT_INST_F((match ? TclGetInt4AtPtr(pc+1) : 5), 2, 0); + JUMP_PEEPHOLE_F(match, 1, 2); + + case INST_LIST_CONCAT: + value2Ptr = OBJ_AT_TOS; + valuePtr = OBJ_UNDER_TOS; + TRACE(("\"%.30s\" \"%.30s\" => ", O2S(valuePtr), O2S(value2Ptr))); + if (Tcl_IsShared(valuePtr)) { + objResultPtr = Tcl_DuplicateObj(valuePtr); + if (Tcl_ListObjAppendList(interp, objResultPtr, + value2Ptr) != TCL_OK) { + TRACE_ERROR(interp); + TclDecrRefCount(objResultPtr); + goto gotError; + } + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 2, 1); + } else { + if (Tcl_ListObjAppendList(interp, valuePtr, value2Ptr) != TCL_OK){ + TRACE_ERROR(interp); + goto gotError; + } + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); + NEXT_INST_F(1, 1, 0); } -#endif - objResultPtr = TCONST(match); - NEXT_INST_F(0, 2, 1); /* * End of INST_LIST and related instructions. @@ -4892,25 +5343,74 @@ TEBCresume( break; } } - if (match < 0) { - TclNewIntObj(objResultPtr, -1); - } else { - objResultPtr = TCONST(match > 0); - } - TRACE(("%.20s %.20s => %s\n", O2S(valuePtr), O2S(value2Ptr), - O2S(objResultPtr))); - NEXT_INST_F(1, 2, 1); + + TRACE(("\"%.20s\" \"%.20s\" => %d\n", O2S(valuePtr), O2S(value2Ptr), + (match < 0 ? -1 : match > 0 ? 1 : 0))); + JUMP_PEEPHOLE_F(match, 1, 2); case INST_STR_LEN: valuePtr = OBJ_AT_TOS; length = Tcl_GetCharLength(valuePtr); TclNewIntObj(objResultPtr, length); - TRACE(("%.20s => %d\n", O2S(valuePtr), length)); + TRACE(("\"%.20s\" => %d\n", O2S(valuePtr), length)); NEXT_INST_F(1, 1, 1); + case INST_STR_UPPER: + valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); + if (Tcl_IsShared(valuePtr)) { + s1 = TclGetStringFromObj(valuePtr, &length); + TclNewStringObj(objResultPtr, s1, length); + length = Tcl_UtfToUpper(TclGetString(objResultPtr)); + Tcl_SetObjLength(objResultPtr, length); + TRACE_APPEND(("\"%.20s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 1, 1); + } else { + length = Tcl_UtfToUpper(TclGetString(valuePtr)); + Tcl_SetObjLength(valuePtr, length); + TclFreeIntRep(valuePtr); + TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr))); + NEXT_INST_F(1, 0, 0); + } + case INST_STR_LOWER: + valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); + if (Tcl_IsShared(valuePtr)) { + s1 = TclGetStringFromObj(valuePtr, &length); + TclNewStringObj(objResultPtr, s1, length); + length = Tcl_UtfToLower(TclGetString(objResultPtr)); + Tcl_SetObjLength(objResultPtr, length); + TRACE_APPEND(("\"%.20s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 1, 1); + } else { + length = Tcl_UtfToLower(TclGetString(valuePtr)); + Tcl_SetObjLength(valuePtr, length); + TclFreeIntRep(valuePtr); + TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr))); + NEXT_INST_F(1, 0, 0); + } + case INST_STR_TITLE: + valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); + if (Tcl_IsShared(valuePtr)) { + s1 = TclGetStringFromObj(valuePtr, &length); + TclNewStringObj(objResultPtr, s1, length); + length = Tcl_UtfToTitle(TclGetString(objResultPtr)); + Tcl_SetObjLength(objResultPtr, length); + TRACE_APPEND(("\"%.20s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 1, 1); + } else { + length = Tcl_UtfToTitle(TclGetString(valuePtr)); + Tcl_SetObjLength(valuePtr, length); + TclFreeIntRep(valuePtr); + TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr))); + NEXT_INST_F(1, 0, 0); + } + case INST_STR_INDEX: value2Ptr = OBJ_AT_TOS; valuePtr = OBJ_UNDER_TOS; + TRACE(("\"%.20s\" %.20s => ", O2S(valuePtr), O2S(value2Ptr))); /* * Get char length to calulate what 'end' means. @@ -4918,6 +5418,7 @@ TEBCresume( length = Tcl_GetCharLength(valuePtr); if (TclGetIntForIndexM(interp, value2Ptr, length-1, &index)!=TCL_OK) { + TRACE_ERROR(interp); goto gotError; } @@ -4943,18 +5444,18 @@ TEBCresume( objResultPtr = Tcl_NewStringObj(buf, length); } - TRACE(("%.20s %.20s => %s\n", O2S(valuePtr), O2S(value2Ptr), - O2S(objResultPtr))); + TRACE_APPEND(("\"%s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 2, 1); case INST_STR_RANGE: - TRACE(("\"%.20s\" %s %s =>", + TRACE(("\"%.20s\" %.20s %.20s =>", O2S(OBJ_AT_DEPTH(2)), O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS))); length = Tcl_GetCharLength(OBJ_AT_DEPTH(2)) - 1; if (TclGetIntForIndexM(interp, OBJ_UNDER_TOS, length, &fromIdx) != TCL_OK || TclGetIntForIndexM(interp, OBJ_AT_TOS, length, &toIdx) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } @@ -5014,33 +5515,216 @@ TEBCresume( int length3; Tcl_Obj *value3Ptr; + case INST_STR_REPLACE: + value3Ptr = POP_OBJECT(); + valuePtr = OBJ_AT_DEPTH(2); + length = Tcl_GetCharLength(valuePtr) - 1; + TRACE(("\"%.20s\" %s %s \"%.20s\" => ", O2S(valuePtr), + O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), O2S(value3Ptr))); + if (TclGetIntForIndexM(interp, OBJ_UNDER_TOS, length, + &fromIdx) != TCL_OK + || TclGetIntForIndexM(interp, OBJ_AT_TOS, length, + &toIdx) != TCL_OK) { + TclDecrRefCount(value3Ptr); + TRACE_ERROR(interp); + goto gotError; + } + TclDecrRefCount(OBJ_AT_TOS); + (void) POP_OBJECT(); + TclDecrRefCount(OBJ_AT_TOS); + (void) POP_OBJECT(); + if (fromIdx < 0) { + fromIdx = 0; + } + + if (fromIdx > toIdx || fromIdx > length) { + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); + TclDecrRefCount(value3Ptr); + NEXT_INST_F(1, 0, 0); + } + + if (toIdx > length) { + toIdx = length; + } + + if (fromIdx == 0 && toIdx == length) { + TclDecrRefCount(OBJ_AT_TOS); + OBJ_AT_TOS = value3Ptr; + TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr))); + NEXT_INST_F(1, 0, 0); + } + + length3 = Tcl_GetCharLength(value3Ptr); + + /* + * Remove substring. In-place. + */ + + if (length3 == 0 && !Tcl_IsShared(valuePtr) && toIdx == length) { + TclDecrRefCount(value3Ptr); + Tcl_SetObjLength(valuePtr, fromIdx); + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); + NEXT_INST_F(1, 0, 0); + } + + /* + * See if we can splice in place. This happens when the number of + * characters being replaced is the same as the number of characters + * in the string to be inserted. + */ + + if (length3 - 1 == toIdx - fromIdx) { + unsigned char *bytes1, *bytes2; + + if (Tcl_IsShared(valuePtr)) { + objResultPtr = Tcl_DuplicateObj(valuePtr); + if (TclIsPureByteArray(objResultPtr) + && TclIsPureByteArray(value3Ptr)) { + bytes1 = Tcl_GetByteArrayFromObj(objResultPtr, NULL); + bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); + memcpy(bytes1 + fromIdx, bytes2, length3); + } else { + ustring1 = Tcl_GetUnicodeFromObj(objResultPtr, NULL); + ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); + memcpy(ustring1 + fromIdx, ustring2, + length3 * sizeof(Tcl_UniChar)); + + /* + * Magic! Flush the info in the string internal rep that + * refers to the about-to-be-invalidated UTF-8 rep. This + * sets the 'allocated' field of the String structure to 0 + * to indicate that a new buffer needs to be allocated. + * This is safe; we know we've got a tclStringTypePtr set + * at this point (post Tcl_GetUnicodeFromObj). + */ + + ((int *) objResultPtr->internalRep.otherValuePtr)[1] = 0; + } + Tcl_InvalidateStringRep(objResultPtr); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 1, 1); + } else { + if (TclIsPureByteArray(valuePtr) + && TclIsPureByteArray(value3Ptr)) { + bytes1 = Tcl_GetByteArrayFromObj(valuePtr, NULL); + bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); + memcpy(bytes1 + fromIdx, bytes2, length3); + } else { + ustring1 = Tcl_GetUnicodeFromObj(valuePtr, NULL); + ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); + memcpy(ustring1 + fromIdx, ustring2, + length3 * sizeof(Tcl_UniChar)); + + /* + * Magic! Flush the info in the string internal rep that + * refers to the about-to-be-invalidated UTF-8 rep. This + * sets the 'allocated' field of the String structure to 0 + * to indicate that a new buffer needs to be allocated. + * This is safe; we know we've got a tclStringTypePtr set + * at this point (post Tcl_GetUnicodeFromObj). + */ + + ((int *) objResultPtr->internalRep.otherValuePtr)[1] = 0; + } + Tcl_InvalidateStringRep(valuePtr); + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); + NEXT_INST_F(1, 0, 0); + } + } + + /* + * Get the unicode representation; this is where we guarantee to lose + * bytearrays. + */ + + ustring1 = Tcl_GetUnicodeFromObj(valuePtr, &length); + length--; + + /* + * Remove substring using copying. + */ + + if (length3 == 0) { + if (fromIdx > 0) { + objResultPtr = Tcl_NewUnicodeObj(ustring1, fromIdx); + if (toIdx < length) { + Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, + length - toIdx); + } + } else { + objResultPtr = Tcl_NewUnicodeObj(ustring1 + toIdx + 1, + length - toIdx); + } + TclDecrRefCount(value3Ptr); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 1, 1); + } + + /* + * Splice string pieces by full copying. + */ + + if (fromIdx > 0) { + objResultPtr = Tcl_NewUnicodeObj(ustring1, fromIdx); + Tcl_AppendObjToObj(objResultPtr, value3Ptr); + if (toIdx < length) { + Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, + length - toIdx); + } + } else if (Tcl_IsShared(value3Ptr)) { + objResultPtr = Tcl_DuplicateObj(value3Ptr); + if (toIdx < length) { + Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, + length - toIdx); + } + } else { + /* + * Be careful with splicing the stack in this case; we have a + * refCount:1 object in value3Ptr and we want to append to it and + * make it be the refCount:1 object at the top of the stack + * afterwards. [Bug 82e7f67325] + */ + + if (toIdx < length) { + Tcl_AppendUnicodeToObj(value3Ptr, ustring1 + toIdx + 1, + length - toIdx); + } + TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr))); + TclDecrRefCount(valuePtr); + OBJ_AT_TOS = value3Ptr; /* Tricky! */ + NEXT_INST_F(1, 0, 0); + } + TclDecrRefCount(value3Ptr); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); + NEXT_INST_F(1, 1, 1); + case INST_STR_MAP: valuePtr = OBJ_AT_TOS; /* "Main" string. */ value3Ptr = OBJ_UNDER_TOS; /* "Target" string. */ value2Ptr = OBJ_AT_DEPTH(2); /* "Source" string. */ if (value3Ptr == value2Ptr) { objResultPtr = valuePtr; - NEXT_INST_V(1, 3, 1); + goto doneStringMap; } else if (valuePtr == value2Ptr) { objResultPtr = value3Ptr; - NEXT_INST_V(1, 3, 1); + goto doneStringMap; } ustring1 = Tcl_GetUnicodeFromObj(valuePtr, &length); if (length == 0) { objResultPtr = valuePtr; - NEXT_INST_V(1, 3, 1); + goto doneStringMap; } ustring2 = Tcl_GetUnicodeFromObj(value2Ptr, &length2); if (length2 > length || length2 == 0) { objResultPtr = valuePtr; - NEXT_INST_V(1, 3, 1); + goto doneStringMap; } else if (length2 == length) { if (memcmp(ustring1, ustring2, sizeof(Tcl_UniChar) * length)) { objResultPtr = valuePtr; } else { objResultPtr = value3Ptr; } - NEXT_INST_V(1, 3, 1); + goto doneStringMap; } ustring3 = Tcl_GetUnicodeFromObj(value3Ptr, &length3); @@ -5069,6 +5753,7 @@ TEBCresume( Tcl_AppendUnicodeToObj(objResultPtr, p, ustring1 - p); } + doneStringMap: TRACE_WITH_OBJ(("%.20s %.20s %.20s => ", O2S(value2Ptr), O2S(value3Ptr), O2S(valuePtr)), objResultPtr); NEXT_INST_V(1, 3, 1); @@ -5091,7 +5776,6 @@ TEBCresume( TRACE(("%.20s %.20s => %d\n", O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), match)); - TclNewIntObj(objResultPtr, match); NEXT_INST_F(1, 2, 1); @@ -5115,6 +5799,25 @@ 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: @@ -5157,26 +5860,77 @@ TEBCresume( * Peep-hole optimisation: if you're about to jump, do jump from here. */ - pc += 2; -#ifndef TCL_COMPILE_DEBUG - switch (*pc) { - case INST_JUMP_FALSE1: - NEXT_INST_F((match? 2 : TclGetInt1AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE1: - NEXT_INST_F((match? TclGetInt1AtPtr(pc+1) : 2), 2, 0); - case INST_JUMP_FALSE4: - NEXT_INST_F((match? 5 : TclGetInt4AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE4: - NEXT_INST_F((match? TclGetInt4AtPtr(pc+1) : 5), 2, 0); + JUMP_PEEPHOLE_F(match, 2, 2); + + { + const char *string1, *string2; + int trim1, trim2; + + case INST_STR_TRIM_LEFT: + valuePtr = OBJ_UNDER_TOS; /* String */ + value2Ptr = OBJ_AT_TOS; /* TrimSet */ + string2 = TclGetStringFromObj(value2Ptr, &length2); + string1 = TclGetStringFromObj(valuePtr, &length); + trim1 = TclTrimLeft(string1, length, string2, length2); + trim2 = 0; + goto createTrimmedString; + case INST_STR_TRIM_RIGHT: + valuePtr = OBJ_UNDER_TOS; /* String */ + value2Ptr = OBJ_AT_TOS; /* TrimSet */ + string2 = TclGetStringFromObj(value2Ptr, &length2); + string1 = TclGetStringFromObj(valuePtr, &length); + trim2 = TclTrimRight(string1, length, string2, length2); + trim1 = 0; + goto createTrimmedString; + case INST_STR_TRIM: + valuePtr = OBJ_UNDER_TOS; /* String */ + value2Ptr = OBJ_AT_TOS; /* TrimSet */ + string2 = TclGetStringFromObj(value2Ptr, &length2); + string1 = TclGetStringFromObj(valuePtr, &length); + trim1 = TclTrimLeft(string1, length, string2, length2); + if (trim1 < length) { + trim2 = TclTrimRight(string1, length, string2, length2); + } else { + trim2 = 0; + } + createTrimmedString: + /* + * Careful here; trim set often contains non-ASCII characters so we + * take care when printing. [Bug 971cb4f1db] + */ + +#ifdef TCL_COMPILE_DEBUG + if (traceInstructions) { + TRACE(("\"%.30s\" ", O2S(valuePtr))); + TclPrintObject(stdout, value2Ptr, 30); + printf(" => "); } #endif - objResultPtr = TCONST(match); - NEXT_INST_F(0, 2, 1); + if (trim1 == 0 && trim2 == 0) { +#ifdef TCL_COMPILE_DEBUG + if (traceInstructions) { + TclPrintObject(stdout, valuePtr, 30); + printf("\n"); + } +#endif + NEXT_INST_F(1, 1, 0); + } else { + objResultPtr = Tcl_NewStringObj(string1+trim1, length-trim1-trim2); +#ifdef TCL_COMPILE_DEBUG + if (traceInstructions) { + TclPrintObject(stdout, objResultPtr, 30); + printf("\n"); + } +#endif + NEXT_INST_F(1, 2, 1); + } + } case INST_REGEXP: cflags = TclGetInt1AtPtr(pc+1); /* RE compile flages like NOCASE */ valuePtr = OBJ_AT_TOS; /* String */ value2Ptr = OBJ_UNDER_TOS; /* Pattern */ + TRACE(("\"%.30s\" \"%.30s\" => ", O2S(valuePtr), O2S(value2Ptr))); /* * Compile and match the regular expression. @@ -5187,44 +5941,24 @@ TEBCresume( Tcl_GetRegExpFromObj(interp, value2Ptr, cflags); if (regExpr == NULL) { - goto regexpFailure; + TRACE_ERROR(interp); + goto gotError; } - match = Tcl_RegExpExecObj(interp, regExpr, valuePtr, 0, 0, 0); - if (match < 0) { - regexpFailure: -#ifdef TCL_COMPILE_DEBUG - objResultPtr = Tcl_GetObjResult(interp); - TRACE_WITH_OBJ(("%.20s %.20s => ERROR: ", - O2S(valuePtr), O2S(value2Ptr)), objResultPtr); -#endif + TRACE_ERROR(interp); goto gotError; } } - TRACE(("%.20s %.20s => %d\n", O2S(valuePtr), O2S(value2Ptr), match)); + TRACE_APPEND(("%d\n", match)); /* * Peep-hole optimisation: if you're about to jump, do jump from here. * Adjustment is 2 due to the nocase byte. */ - pc += 2; -#ifndef TCL_COMPILE_DEBUG - switch (*pc) { - case INST_JUMP_FALSE1: - NEXT_INST_F((match? 2 : TclGetInt1AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE1: - NEXT_INST_F((match? TclGetInt1AtPtr(pc+1) : 2), 2, 0); - case INST_JUMP_FALSE4: - NEXT_INST_F((match? 5 : TclGetInt4AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE4: - NEXT_INST_F((match? TclGetInt4AtPtr(pc+1) : 5), 2, 0); - } -#endif - objResultPtr = TCONST(match); - NEXT_INST_F(0, 2, 1); + JUMP_PEEPHOLE_F(match, 2, 2); } /* @@ -5238,6 +5972,39 @@ TEBCresume( int type1, type2; long l1, l2, lResult; + case INST_NUM_TYPE: + if (GetNumberFromObj(NULL, OBJ_AT_TOS, &ptr1, &type1) != TCL_OK) { + type1 = 0; + } else if (type1 == TCL_NUMBER_LONG) { + /* value is between LONG_MIN and LONG_MAX */ + /* [string is integer] is -UINT_MAX to UINT_MAX range */ + int i; + + if (Tcl_GetIntFromObj(NULL, OBJ_AT_TOS, &i) != TCL_OK) { + type1 = TCL_NUMBER_WIDE; + } +#ifndef TCL_WIDE_INT_IS_LONG + } else if (type1 == TCL_NUMBER_WIDE) { + /* value is between WIDE_MIN and WIDE_MAX */ + /* [string is wideinteger] is -UWIDE_MAX to UWIDE_MAX range */ + int i; + if (Tcl_GetIntFromObj(NULL, OBJ_AT_TOS, &i) == TCL_OK) { + type1 = TCL_NUMBER_LONG; + } +#endif + } else if (type1 == TCL_NUMBER_BIG) { + /* value is an integer outside the WIDE_MIN to WIDE_MAX range */ + /* [string is wideinteger] is -UWIDE_MAX to UWIDE_MAX range */ + Tcl_WideInt w; + + if (Tcl_GetWideIntFromObj(NULL, OBJ_AT_TOS, &w) == TCL_OK) { + type1 = TCL_NUMBER_WIDE; + } + } + 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: @@ -5322,21 +6089,9 @@ TEBCresume( */ foundResult: - pc++; -#ifndef TCL_COMPILE_DEBUG - switch (*pc) { - case INST_JUMP_FALSE1: - NEXT_INST_F((iResult? 2 : TclGetInt1AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE1: - NEXT_INST_F((iResult? TclGetInt1AtPtr(pc+1) : 2), 2, 0); - case INST_JUMP_FALSE4: - NEXT_INST_F((iResult? 5 : TclGetInt4AtPtr(pc+1)), 2, 0); - case INST_JUMP_TRUE4: - NEXT_INST_F((iResult? TclGetInt4AtPtr(pc+1) : 5), 2, 0); - } -#endif - objResultPtr = TCONST(iResult); - NEXT_INST_F(0, 2, 1); + TRACE(("\"%.20s\" \"%.20s\" => %d\n", O2S(valuePtr), O2S(value2Ptr), + iResult)); + JUMP_PEEPHOLE_F(iResult, 1, 2); } case INST_MOD: @@ -5423,13 +6178,13 @@ TEBCresume( if (l2 < 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "negative shift argument", -1)); -#if 0 +#ifdef ERROR_CODE_FOR_EARLY_DETECTED_ARITH_ERROR DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "ARITH", "DOMAIN", "domain error: argument not in valid range", NULL); CACHE_STACK_INFO(); -#endif +#endif /* ERROR_CODE_FOR_EARLY_DETECTED_ARITH_ERROR */ goto gotError; } else if (l1 == 0) { TRACE(("%s %s => ", O2S(valuePtr), O2S(value2Ptr))); @@ -5471,13 +6226,13 @@ TEBCresume( if (l2 < 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "negative shift argument", -1)); -#if 0 +#ifdef ERROR_CODE_FOR_EARLY_DETECTED_ARITH_ERROR DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "ARITH", "DOMAIN", "domain error: argument not in valid range", NULL); CACHE_STACK_INFO(); -#endif +#endif /* ERROR_CODE_FOR_EARLY_DETECTED_ARITH_ERROR */ goto gotError; } else if (l1 == 0) { TRACE(("%s %s => ", O2S(valuePtr), O2S(value2Ptr))); @@ -5494,12 +6249,12 @@ TEBCresume( Tcl_SetObjResult(interp, Tcl_NewStringObj( "integer value too large to represent", -1)); -#if 0 +#ifdef ERROR_CODE_FOR_EARLY_DETECTED_ARITH_ERROR DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "ARITH", "IOVERFLOW", "integer value too large to represent", NULL); CACHE_STACK_INFO(); -#endif +#endif /* ERROR_CODE_FOR_EARLY_DETECTED_ARITH_ERROR */ goto gotError; } else { int shift = (int) l2; @@ -5557,8 +6312,7 @@ TEBCresume( TRACE_APPEND(("DIVIDE BY ZERO\n")); goto divideByZero; } else if (objResultPtr == GENERAL_ARITHMETIC_ERROR) { - TRACE_APPEND(("ERROR: %s\n", - TclGetString(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } else if (objResultPtr == NULL) { TRACE_APPEND(("%s\n", O2S(valuePtr))); @@ -5635,7 +6389,7 @@ TEBCresume( w1 = (Tcl_WideInt) l1; w2 = (Tcl_WideInt) l2; wResult = w1 + w2; -#ifdef NO_WIDE_TYPE +#ifdef TCL_WIDE_INT_IS_LONG /* * Check for overflow. */ @@ -5650,7 +6404,7 @@ TEBCresume( w1 = (Tcl_WideInt) l1; w2 = (Tcl_WideInt) l2; wResult = w1 - w2; -#ifdef NO_WIDE_TYPE +#ifdef TCL_WIDE_INT_IS_LONG /* * Must check for overflow. The macro tests for overflows in * sums by looking at the sign bits. As we have a subtraction @@ -5730,8 +6484,7 @@ TEBCresume( TRACE_APPEND(("EXPONENT OF ZERO\n")); goto exponOfZero; } else if (objResultPtr == GENERAL_ARITHMETIC_ERROR) { - TRACE_APPEND(("ERROR: %s\n", - TclGetString(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } else if (objResultPtr == NULL) { TRACE_APPEND(("%s\n", O2S(valuePtr))); @@ -5749,7 +6502,7 @@ TEBCresume( /* TODO - check claim that taking address of b harms performance */ /* TODO - consider optimization search for constants */ if (TclGetBooleanFromObj(NULL, valuePtr, &b) != TCL_OK) { - TRACE(("\"%.20s\" => ILLEGAL TYPE %s\n", O2S(valuePtr), + TRACE(("\"%.20s\" => ERROR: illegal type %s\n", O2S(valuePtr), (valuePtr->typePtr? valuePtr->typePtr->name : "null"))); DECACHE_STACK_INFO(); IllegalExprOperandType(interp, pc, valuePtr); @@ -5758,18 +6511,20 @@ TEBCresume( } /* TODO: Consider peephole opt. */ objResultPtr = TCONST(!b); + TRACE_WITH_OBJ(("%s => ", O2S(valuePtr)), objResultPtr); NEXT_INST_F(1, 1, 1); } case INST_BITNOT: valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); if ((GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK) || (type1==TCL_NUMBER_NAN) || (type1==TCL_NUMBER_DOUBLE)) { /* * ... ~$NonInteger => raise an error. */ - TRACE(("\"%.20s\" => ILLEGAL TYPE %s \n", O2S(valuePtr), + TRACE_APPEND(("ERROR: illegal type %s\n", (valuePtr->typePtr? valuePtr->typePtr->name : "null"))); DECACHE_STACK_INFO(); IllegalExprOperandType(interp, pc, valuePtr); @@ -5780,23 +6535,28 @@ TEBCresume( l1 = *((const long *) ptr1); if (Tcl_IsShared(valuePtr)) { TclNewLongObj(objResultPtr, ~l1); + TRACE_APPEND(("%s\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } TclSetLongObj(valuePtr, ~l1); + TRACE_APPEND(("%s\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } objResultPtr = ExecuteExtendedUnaryMathOp(*pc, valuePtr); if (objResultPtr != NULL) { + TRACE_APPEND(("%s\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } else { + TRACE_APPEND(("%s\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } case INST_UMINUS: valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); if ((GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK) || IsErroringNaNType(type1)) { - TRACE(("\"%.20s\" => ILLEGAL TYPE %s \n", O2S(valuePtr), + TRACE_APPEND(("ERROR: illegal type %s \n", (valuePtr->typePtr? valuePtr->typePtr->name : "null"))); DECACHE_STACK_INFO(); IllegalExprOperandType(interp, pc, valuePtr); @@ -5806,23 +6566,28 @@ TEBCresume( switch (type1) { case TCL_NUMBER_NAN: /* -NaN => NaN */ + TRACE_APPEND(("%s\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); case TCL_NUMBER_LONG: l1 = *((const long *) ptr1); if (l1 != LONG_MIN) { if (Tcl_IsShared(valuePtr)) { TclNewLongObj(objResultPtr, -l1); + TRACE_APPEND(("%s\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } TclSetLongObj(valuePtr, -l1); + TRACE_APPEND(("%s\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } /* FALLTHROUGH */ } objResultPtr = ExecuteExtendedUnaryMathOp(*pc, valuePtr); if (objResultPtr != NULL) { + TRACE_APPEND(("%s\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } else { + TRACE_APPEND(("%s\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } @@ -5835,6 +6600,7 @@ TEBCresume( */ valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK) { if (*pc == INST_UPLUS) { @@ -5842,7 +6608,7 @@ TEBCresume( * ... +$NonNumeric => raise an error. */ - TRACE(("\"%.20s\" => ILLEGAL TYPE %s \n", O2S(valuePtr), + TRACE_APPEND(("ERROR: illegal type %s\n", (valuePtr->typePtr? valuePtr->typePtr->name:"null"))); DECACHE_STACK_INFO(); IllegalExprOperandType(interp, pc, valuePtr); @@ -5851,7 +6617,7 @@ TEBCresume( } /* ... TryConvertToNumeric($NonNumeric) is acceptable */ - TRACE(("\"%.20s\" => not numeric\n", O2S(valuePtr))); + TRACE_APPEND(("not numeric\n")); NEXT_INST_F(1, 0, 0); } if (IsErroringNaNType(type1)) { @@ -5860,7 +6626,7 @@ TEBCresume( * ... +$NonNumeric => raise an error. */ - TRACE(("\"%.20s\" => ILLEGAL TYPE %s \n", O2S(valuePtr), + TRACE_APPEND(("ERROR: illegal type %s\n", (valuePtr->typePtr? valuePtr->typePtr->name:"null"))); DECACHE_STACK_INFO(); IllegalExprOperandType(interp, pc, valuePtr); @@ -5870,8 +6636,7 @@ TEBCresume( * Numeric conversion of NaN -> error. */ - TRACE(("\"%.20s\" => IEEE FLOATING PT ERROR\n", - O2S(objResultPtr))); + TRACE_APPEND(("ERROR: IEEE floating pt error\n")); DECACHE_STACK_INFO(); TclExprFloatError(interp, *((const double *) ptr1)); CACHE_STACK_INFO(); @@ -5889,7 +6654,7 @@ TEBCresume( */ if (valuePtr->bytes == NULL) { - TRACE(("\"%.20s\" => numeric, same Tcl_Obj\n", O2S(valuePtr))); + TRACE_APPEND(("numeric, same Tcl_Obj\n")); NEXT_INST_F(1, 0, 0); } if (Tcl_IsShared(valuePtr)) { @@ -5904,11 +6669,11 @@ TEBCresume( valuePtr->bytes = NULL; objResultPtr = Tcl_DuplicateObj(valuePtr); valuePtr->bytes = savedString; - TRACE(("\"%.20s\" => numeric, new Tcl_Obj\n", O2S(valuePtr))); + TRACE_APPEND(("numeric, new Tcl_Obj\n")); NEXT_INST_F(1, 1, 1); } TclInvalidateStringRep(valuePtr); - TRACE(("\"%.20s\" => numeric, same Tcl_Obj\n", O2S(valuePtr))); + TRACE_APPEND(("numeric, same Tcl_Obj\n")); NEXT_INST_F(1, 0, 0); } @@ -5917,6 +6682,17 @@ 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(); @@ -5925,6 +6701,7 @@ TEBCresume( */ result = TCL_BREAK; cleanup = 0; + TRACE(("=> BREAK!\n")); goto processExceptionReturn; case INST_CONTINUE: @@ -5935,6 +6712,7 @@ TEBCresume( */ result = TCL_CONTINUE; cleanup = 0; + TRACE(("=> CONTINUE!\n")); goto processExceptionReturn; { @@ -5946,7 +6724,7 @@ TEBCresume( int varIndex, valIndex, continueLoop, j, iterTmpIndex; long i; - case INST_FOREACH_START4: + case INST_FOREACH_START4: /* DEPRECATED */ /* * Initialize the temporary local var that holds the count of the * number of iterations of the loop body to -1. @@ -5979,13 +6757,14 @@ TEBCresume( NEXT_INST_F(5, 0, 0); #endif - case INST_FOREACH_STEP4: + case INST_FOREACH_STEP4: /* DEPRECATED */ /* * "Step" a foreach loop (i.e., begin its next iteration) by assigning * the next value list element to each loop var. */ opnd = TclGetUInt4AtPtr(pc+1); + TRACE(("%u => ", opnd)); infoPtr = codePtr->auxDataArrayPtr[opnd].clientData; numLists = infoPtr->numLists; @@ -6012,8 +6791,8 @@ TEBCresume( listVarPtr = LOCAL(listTmpIndex); listPtr = listVarPtr->value.objPtr; if (TclListObjLength(interp, listPtr, &listLen) != TCL_OK) { - TRACE_WITH_OBJ(("%u => ERROR converting list %ld, \"%s\": ", - opnd, i, O2S(listPtr)), Tcl_GetObjResult(interp)); + TRACE_APPEND(("ERROR converting list %ld, \"%.30s\": %s\n", + i, O2S(listPtr), O2S(Tcl_GetObjResult(interp)))); goto gotError; } if (listLen > iterNum * numVars) { @@ -6068,9 +6847,9 @@ TEBCresume( if (TclPtrSetVar(interp, varPtr, NULL, NULL, NULL, valuePtr, TCL_LEAVE_ERR_MSG, varIndex)==NULL){ CACHE_STACK_INFO(); - TRACE_WITH_OBJ(( - "%u => ERROR init. index temp %d: ", - opnd,varIndex), Tcl_GetObjResult(interp)); + TRACE_APPEND(( + "ERROR init. index temp %d: %s\n", + varIndex, O2S(Tcl_GetObjResult(interp)))); TclDecrRefCount(listPtr); goto gotError; } @@ -6082,8 +6861,8 @@ TEBCresume( listTmpIndex++; } } - TRACE(("%u => %d lists, iter %d, %s loop\n", opnd, numLists, - iterNum, (continueLoop? "continue" : "exit"))); + TRACE_APPEND(("%d lists, iter %d, %s loop\n", + numLists, iterNum, (continueLoop? "continue" : "exit"))); /* * Run-time peep-hole optimisation: the compiler ALWAYS follows @@ -6097,6 +6876,200 @@ TEBCresume( } else { NEXT_INST_F((continueLoop? 5 : TclGetInt4AtPtr(pc+1)), 0, 0); } + + } + { + ForeachInfo *infoPtr; + Tcl_Obj *listPtr, **elements, *tmpPtr; + ForeachVarList *varListPtr; + int numLists, iterMax, listLen, numVars; + int iterTmp, iterNum, listTmpDepth; + int varIndex, valIndex, j; + long i; + + case INST_FOREACH_START: + /* + * Initialize the data for the looping construct, pushing the + * corresponding Tcl_Objs to the stack. + */ + + opnd = TclGetUInt4AtPtr(pc+1); + infoPtr = codePtr->auxDataArrayPtr[opnd].clientData; + numLists = infoPtr->numLists; + TRACE(("%u => ", opnd)); + + /* + * Compute the number of iterations that will be run: iterMax + */ + + iterMax = 0; + listTmpDepth = numLists-1; + for (i = 0; i < numLists; i++) { + varListPtr = infoPtr->varLists[i]; + numVars = varListPtr->numVars; + listPtr = OBJ_AT_DEPTH(listTmpDepth); + if (TclListObjLength(interp, listPtr, &listLen) != TCL_OK) { + TRACE_APPEND(("ERROR converting list %ld, \"%s\": %s", + i, O2S(listPtr), O2S(Tcl_GetObjResult(interp)))); + goto gotError; + } + if (Tcl_IsShared(listPtr)) { + objPtr = TclListObjCopy(NULL, listPtr); + Tcl_IncrRefCount(objPtr); + Tcl_DecrRefCount(listPtr); + OBJ_AT_DEPTH(listTmpDepth) = objPtr; + } + iterTmp = (listLen + (numVars - 1))/numVars; + if (iterTmp > iterMax) { + iterMax = iterTmp; + } + listTmpDepth--; + } + + /* + * Store the iterNum and iterMax in a single Tcl_Obj; we keep a + * nul-string obj with the pointer stored in the ptrValue so that the + * thing is properly garbage collected. THIS OBJ MAKES NO SENSE, but + * it will never leave this scope and is read-only. + */ + + TclNewObj(tmpPtr); + tmpPtr->internalRep.twoPtrValue.ptr1 = INT2PTR(0); + tmpPtr->internalRep.twoPtrValue.ptr2 = INT2PTR(iterMax); + PUSH_OBJECT(tmpPtr); /* iterCounts object */ + + /* + * Store a pointer to the ForeachInfo struct; same dirty trick + * as above + */ + + TclNewObj(tmpPtr); + tmpPtr->internalRep.otherValuePtr = infoPtr; + PUSH_OBJECT(tmpPtr); /* infoPtr object */ + TRACE_APPEND(("jump to loop step\n")); + + /* + * Jump directly to the INST_FOREACH_STEP instruction; the C code just + * falls through. + */ + + pc += 5 - infoPtr->loopCtTemp; + + case INST_FOREACH_STEP: + /* + * "Step" a foreach loop (i.e., begin its next iteration) by assigning + * the next value list element to each loop var. + */ + + tmpPtr = OBJ_AT_TOS; + infoPtr = tmpPtr->internalRep.otherValuePtr; + numLists = infoPtr->numLists; + TRACE(("=> ")); + + tmpPtr = OBJ_AT_DEPTH(1); + iterNum = PTR2INT(tmpPtr->internalRep.twoPtrValue.ptr1); + iterMax = PTR2INT(tmpPtr->internalRep.twoPtrValue.ptr2); + + /* + * If some list still has a remaining list element iterate one more + * time. Assign to var the next element from its value list. + */ + + if (iterNum < iterMax) { + /* + * Set the variables and jump back to run the body + */ + + tmpPtr->internalRep.twoPtrValue.ptr1 = INT2PTR(iterNum + 1); + + listTmpDepth = numLists + 1; + + for (i = 0; i < numLists; i++) { + varListPtr = infoPtr->varLists[i]; + numVars = varListPtr->numVars; + + listPtr = OBJ_AT_DEPTH(listTmpDepth); + TclListObjGetElements(interp, listPtr, &listLen, &elements); + + valIndex = (iterNum * numVars); + for (j = 0; j < numVars; j++) { + if (valIndex >= listLen) { + TclNewObj(valuePtr); + } else { + valuePtr = elements[valIndex]; + } + + varIndex = varListPtr->varIndexes[j]; + varPtr = LOCAL(varIndex); + while (TclIsVarLink(varPtr)) { + varPtr = varPtr->value.linkPtr; + } + if (TclIsVarDirectWritable(varPtr)) { + value2Ptr = varPtr->value.objPtr; + if (valuePtr != value2Ptr) { + if (value2Ptr != NULL) { + TclDecrRefCount(value2Ptr); + } + varPtr->value.objPtr = valuePtr; + Tcl_IncrRefCount(valuePtr); + } + } else { + DECACHE_STACK_INFO(); + if (TclPtrSetVar(interp, varPtr, NULL, NULL, NULL, + valuePtr, TCL_LEAVE_ERR_MSG, varIndex)==NULL){ + CACHE_STACK_INFO(); + TRACE_APPEND(("ERROR init. index temp %d: %.30s", + varIndex, O2S(Tcl_GetObjResult(interp)))); + goto gotError; + } + CACHE_STACK_INFO(); + } + valIndex++; + } + listTmpDepth--; + } + TRACE_APPEND(("jump to loop start\n")); + /* loopCtTemp being 'misused' for storing the jump size */ + NEXT_INST_F(infoPtr->loopCtTemp, 0, 0); + } + + TRACE_APPEND(("loop has no more iterations\n")); +#ifdef TCL_COMPILE_DEBUG + NEXT_INST_F(1, 0, 0); +#else + /* + * FALL THROUGH + */ + pc++; +#endif + + case INST_FOREACH_END: + /* THIS INSTRUCTION IS ONLY CALLED AS A BREAK TARGET */ + tmpPtr = OBJ_AT_TOS; + infoPtr = tmpPtr->internalRep.otherValuePtr; + numLists = infoPtr->numLists; + TRACE(("=> loop terminated\n")); + NEXT_INST_V(1, numLists+2, 0); + + case INST_LMAP_COLLECT: + /* + * This instruction is only issued by lmap. The stack is: + * - result + * - infoPtr + * - loop counters + * - valLists + * - collecting obj (unshared) + * The instruction lappends the result to the collecting obj. + */ + + tmpPtr = OBJ_AT_DEPTH(1); + infoPtr = tmpPtr->internalRep.otherValuePtr; + numLists = infoPtr->numLists; + TRACE_APPEND(("=> appending to list at depth %d\n", 3 + numLists)); + + objPtr = OBJ_AT_DEPTH(3 + numLists); + Tcl_ListObjAppendElement(NULL, objPtr, OBJ_AT_TOS); + NEXT_INST_F(1, 1, 0); } case INST_BEGIN_CATCH4: @@ -6158,7 +7131,8 @@ TEBCresume( if (code < TCL_ERROR || code > TCL_CONTINUE) { code = TCL_CONTINUE + 1; } - NEXT_INST_F(2*code -1, 1, 0); + TRACE(("\"%s\" => jump offset %d\n", O2S(OBJ_AT_TOS), 2*code-1)); + NEXT_INST_F(2*code-1, 1, 0); } /* @@ -6175,10 +7149,10 @@ TEBCresume( case INST_DICT_VERIFY: dictPtr = OBJ_AT_TOS; - TRACE(("=> ")); + TRACE(("\"%.30s\" => ", O2S(dictPtr))); if (Tcl_DictObjSize(interp, dictPtr, &done) != TCL_OK) { - TRACE_APPEND(("ERROR verifying dictionary nature of \"%s\": %s\n", - O2S(OBJ_AT_DEPTH(opnd)), O2S(Tcl_GetObjResult(interp)))); + TRACE_APPEND(("ERROR verifying dictionary nature of \"%.30s\": %s\n", + O2S(dictPtr), O2S(Tcl_GetObjResult(interp)))); goto gotError; } TRACE_APPEND(("OK\n")); @@ -6187,6 +7161,7 @@ TEBCresume( case INST_DICT_GET: case INST_DICT_EXISTS: { register Tcl_Interp *interp2 = interp; + register int found; opnd = TclGetUInt4AtPtr(pc+1); TRACE(("%u => ", opnd)); @@ -6199,10 +7174,11 @@ TEBCresume( &OBJ_AT_DEPTH(opnd-1), DICT_PATH_READ); if (dictPtr == NULL) { if (*pc == INST_DICT_EXISTS) { - goto dictNotExists; + found = 0; + goto afterDictExists; } TRACE_WITH_OBJ(( - "ERROR tracing dictionary path into \"%s\": ", + "ERROR tracing dictionary path into \"%.30s\": ", O2S(OBJ_AT_DEPTH(opnd))), Tcl_GetObjResult(interp)); goto gotError; @@ -6211,34 +7187,40 @@ TEBCresume( if (Tcl_DictObjGet(interp2, dictPtr, OBJ_AT_TOS, &objResultPtr) == TCL_OK) { if (*pc == INST_DICT_EXISTS) { - objResultPtr = TCONST(objResultPtr ? 1 : 0); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); - NEXT_INST_V(5, opnd+1, 1); + found = (objResultPtr ? 1 : 0); + goto afterDictExists; } - if (objResultPtr) { - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); - NEXT_INST_V(5, opnd+1, 1); + if (!objResultPtr) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "key \"%s\" not known in dictionary", + TclGetString(OBJ_AT_TOS))); + DECACHE_STACK_INFO(); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "DICT", + TclGetString(OBJ_AT_TOS), NULL); + CACHE_STACK_INFO(); + TRACE_ERROR(interp); + goto gotError; } - DECACHE_STACK_INFO(); - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "key \"%s\" not known in dictionary", - TclGetString(OBJ_AT_TOS))); - Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "DICT", - TclGetString(OBJ_AT_TOS), NULL); - CACHE_STACK_INFO(); - TRACE_WITH_OBJ(("%u => ERROR ", opnd), Tcl_GetObjResult(interp)); + TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + NEXT_INST_V(5, opnd+1, 1); + } else if (*pc != INST_DICT_EXISTS) { + TRACE_APPEND(("ERROR reading leaf dictionary key \"%.30s\": %s", + O2S(dictPtr), O2S(Tcl_GetObjResult(interp)))); + goto gotError; } else { - if (*pc == INST_DICT_EXISTS) { - dictNotExists: - objResultPtr = TCONST(0); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); - NEXT_INST_V(5, opnd+1, 1); - } - TRACE_WITH_OBJ(( - "%u => ERROR reading leaf dictionary key \"%s\": ", - opnd, O2S(dictPtr)), Tcl_GetObjResult(interp)); + found = 0; } - goto gotError; + afterDictExists: + TRACE_APPEND(("%d\n", found)); + + /* + * The INST_DICT_EXISTS instruction is usually followed by a + * conditional jump, so we can take advantage of this to do some + * peephole optimization (note that we're careful to not close out + * someone doing something else). + */ + + JUMP_PEEPHOLE_V(found, 5, opnd+1); } case INST_DICT_SET: @@ -6312,8 +7294,8 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } - TRACE_WITH_OBJ(("%u %u => ERROR updating dictionary: ", - opnd, opnd2), Tcl_GetObjResult(interp)); + TRACE_APPEND(("ERROR updating dictionary: %s\n", + O2S(Tcl_GetObjResult(interp)))); goto checkForCatch; } @@ -6335,8 +7317,7 @@ TEBCresume( CACHE_STACK_INFO(); TclDecrRefCount(dictPtr); if (objResultPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -6345,7 +7326,7 @@ TEBCresume( NEXT_INST_V(10, cleanup, 0); } #endif - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_V(9, cleanup, 1); case INST_DICT_APPEND: @@ -6378,6 +7359,7 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } @@ -6426,6 +7408,7 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } Tcl_DictObjPut(NULL, dictPtr, OBJ_UNDER_TOS, valuePtr); @@ -6435,6 +7418,7 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } @@ -6471,8 +7455,7 @@ TEBCresume( CACHE_STACK_INFO(); TclDecrRefCount(dictPtr); if (objResultPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -6491,7 +7474,16 @@ TEBCresume( searchPtr = ckalloc(sizeof(Tcl_DictSearch)); if (Tcl_DictObjFirst(interp, dictPtr, searchPtr, &keyPtr, &valuePtr, &done) != TCL_OK) { + + /* + * dictPtr is no longer on the stack, and we're not + * moving it into the intrep of an iterator. We need + * to drop the refcount [Tcl Bug 9b352768e6]. + */ + + Tcl_DecrRefCount(dictPtr); ckfree(searchPtr); + TRACE_ERROR(interp); goto gotError; } TclNewObj(statePtr); @@ -6527,8 +7519,9 @@ TEBCresume( PUSH_OBJECT(valuePtr); PUSH_OBJECT(keyPtr); } + TRACE_APPEND(("\"%.30s\" \"%.30s\" %d\n", + O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), done)); -#ifndef TCL_COMPILE_DEBUG /* * The INST_DICT_FIRST and INST_DICT_NEXT instructsions are always * followed by a conditional jump, so we can take advantage of this to @@ -6536,37 +7529,17 @@ TEBCresume( * out someone doing something else). */ - pc += 5; - switch (*pc) { - case INST_JUMP_FALSE1: - NEXT_INST_F((done ? 2 : TclGetInt1AtPtr(pc+1)), 0, 0); - case INST_JUMP_FALSE4: - NEXT_INST_F((done ? 5 : TclGetInt4AtPtr(pc+1)), 0, 0); - case INST_JUMP_TRUE1: - NEXT_INST_F((done ? TclGetInt1AtPtr(pc+1) : 2), 0, 0); - case INST_JUMP_TRUE4: - NEXT_INST_F((done ? TclGetInt4AtPtr(pc+1) : 5), 0, 0); - default: - pc -= 5; - /* fall through to non-debug handling */ - } -#endif - - TRACE_APPEND(("\"%.30s\" \"%.30s\" %d", - O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), done)); - objResultPtr = TCONST(done); - /* TODO: consider opt like INST_FOREACH_STEP4 */ - NEXT_INST_F(5, 0, 1); + JUMP_PEEPHOLE_F(done, 5, 0); case INST_DICT_UPDATE_START: opnd = TclGetUInt4AtPtr(pc+1); opnd2 = TclGetUInt4AtPtr(pc+5); + TRACE(("%u => ", opnd)); varPtr = LOCAL(opnd); duiPtr = codePtr->auxDataArrayPtr[opnd2].clientData; while (TclIsVarLink(varPtr)) { varPtr = varPtr->value.linkPtr; } - TRACE(("%u => ", opnd)); if (TclIsVarDirectReadable(varPtr)) { dictPtr = varPtr->value.objPtr; } else { @@ -6575,11 +7548,13 @@ TEBCresume( TCL_LEAVE_ERR_MSG, opnd); CACHE_STACK_INFO(); if (dictPtr == NULL) { + TRACE_ERROR(interp); goto gotError; } } if (TclListObjGetElements(interp, OBJ_AT_TOS, &length, &keyPtrPtr) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } if (length != duiPtr->length) { @@ -6588,6 +7563,7 @@ TEBCresume( for (i=0 ; i<length ; i++) { if (Tcl_DictObjGet(interp, dictPtr, keyPtrPtr[i], &valuePtr) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } varPtr = LOCAL(duiPtr->varIndices[i]); @@ -6603,21 +7579,23 @@ TEBCresume( valuePtr, TCL_LEAVE_ERR_MSG, duiPtr->varIndices[i]) == NULL) { CACHE_STACK_INFO(); + TRACE_ERROR(interp); goto gotError; } CACHE_STACK_INFO(); } + TRACE_APPEND(("OK\n")); NEXT_INST_F(9, 0, 0); case INST_DICT_UPDATE_END: opnd = TclGetUInt4AtPtr(pc+1); opnd2 = TclGetUInt4AtPtr(pc+5); + TRACE(("%u => ", opnd)); varPtr = LOCAL(opnd); duiPtr = codePtr->auxDataArrayPtr[opnd2].clientData; while (TclIsVarLink(varPtr)) { varPtr = varPtr->value.linkPtr; } - TRACE(("%u => ", opnd)); if (TclIsVarDirectReadable(varPtr)) { dictPtr = varPtr->value.objPtr; } else { @@ -6626,11 +7604,13 @@ TEBCresume( CACHE_STACK_INFO(); } if (dictPtr == NULL) { + TRACE_APPEND(("storage was unset\n")); NEXT_INST_F(9, 1, 0); } if (Tcl_DictObjSize(interp, dictPtr, &length) != TCL_OK || TclListObjGetElements(interp, OBJ_AT_TOS, &length, &keyPtrPtr) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } allocdict = Tcl_IsShared(dictPtr); @@ -6676,26 +7656,27 @@ TEBCresume( if (allocdict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } } + TRACE_APPEND(("written back\n")); NEXT_INST_F(9, 1, 0); case INST_DICT_EXPAND: dictPtr = OBJ_UNDER_TOS; listPtr = OBJ_AT_TOS; + TRACE(("\"%.30s\" \"%.30s\" =>", O2S(dictPtr), O2S(listPtr))); if (TclListObjGetElements(interp, listPtr, &objc, &objv) != TCL_OK) { - TRACE_WITH_OBJ(("%.30s %.30s => ERROR: ", - O2S(dictPtr), O2S(listPtr)), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } objResultPtr = TclDictWithInit(interp, dictPtr, objc, objv); if (objResultPtr == NULL) { - TRACE_WITH_OBJ(("%.30s %.30s => ERROR: ", - O2S(dictPtr), O2S(listPtr)), Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 2, 1); case INST_DICT_RECOMBINE_STK: @@ -6705,14 +7686,14 @@ TEBCresume( TRACE(("\"%.30s\" \"%.30s\" \"%.30s\" => ", O2S(varNamePtr), O2S(valuePtr), O2S(keysPtr))); if (TclListObjGetElements(interp, listPtr, &objc, &objv) != TCL_OK) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); TclDecrRefCount(keysPtr); goto gotError; } varPtr = TclObjLookupVarEx(interp, varNamePtr, NULL, TCL_LEAVE_ERR_MSG, "set", 1, 1, &arrayPtr); if (varPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); TclDecrRefCount(keysPtr); goto gotError; } @@ -6722,7 +7703,7 @@ TEBCresume( CACHE_STACK_INFO(); TclDecrRefCount(keysPtr); if (result != TCL_OK) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } TRACE_APPEND(("OK\n")); @@ -6736,7 +7717,7 @@ TEBCresume( TRACE(("%u <- \"%.30s\" \"%.30s\" => ", opnd, O2S(valuePtr), O2S(keysPtr))); if (TclListObjGetElements(interp, listPtr, &objc, &objv) != TCL_OK) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } while (TclIsVarLink(varPtr)) { @@ -6747,7 +7728,7 @@ TEBCresume( objc, objv, keysPtr); CACHE_STACK_INFO(); if (result != TCL_OK) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } TRACE_APPEND(("OK\n")); @@ -6782,7 +7763,7 @@ TEBCresume( */ processExceptionReturn: -#if TCL_COMPILE_DEBUG +#ifdef TCL_COMPILE_DEBUG switch (*pc) { case INST_INVOKE_STK1: opnd = TclGetUInt1AtPtr(pc+1); @@ -6839,14 +7820,14 @@ TEBCresume( rangePtr->codeOffset, rangePtr->continueOffset)); NEXT_INST_F(0, 0, 0); } -#if TCL_COMPILE_DEBUG +#ifdef TCL_COMPILE_DEBUG if (traceInstructions) { objPtr = Tcl_GetObjResult(interp); if ((result != TCL_ERROR) && (result != TCL_RETURN)) { - TRACE_APPEND(("OTHER RETURN CODE %d, result= \"%s\"\n ", + TRACE_APPEND(("OTHER RETURN CODE %d, result=\"%.30s\"\n ", result, O2S(objPtr))); } else { - TRACE_APPEND(("%s, result= \"%s\"\n", + TRACE_APPEND(("%s, result=\"%.30s\"\n", StringForResultCode(result), O2S(objPtr))); } } @@ -6859,8 +7840,8 @@ TEBCresume( */ divideByZero: - DECACHE_STACK_INFO(); Tcl_SetObjResult(interp, Tcl_NewStringObj("divide by zero", -1)); + DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "ARITH", "DIVZERO", "divide by zero", NULL); CACHE_STACK_INFO(); goto gotError; @@ -6871,9 +7852,9 @@ TEBCresume( */ exponOfZero: - DECACHE_STACK_INFO(); Tcl_SetObjResult(interp, Tcl_NewStringObj( "exponentiation of zero by negative power", -1)); + DECACHE_STACK_INFO(); Tcl_SetErrorCode(interp, "ARITH", "DOMAIN", "exponentiation of zero by negative power", NULL); CACHE_STACK_INFO(); @@ -6901,7 +7882,7 @@ 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); @@ -7083,12 +8064,11 @@ 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)); goto instEvalStk; - NEXT_INST_F(9, 0, 0); } } @@ -7100,6 +8080,58 @@ 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; +} /* *---------------------------------------------------------------------- @@ -7196,7 +8228,7 @@ ExecuteExtendedBinaryMathOp( return constants[0]; } } -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if (type1 == TCL_NUMBER_WIDE) { w1 = *((const Tcl_WideInt *)ptr1); if (type2 != TCL_NUMBER_BIG) { @@ -7271,7 +8303,7 @@ ExecuteExtendedBinaryMathOp( case TCL_NUMBER_LONG: invalid = (*((const long *)ptr2) < 0L); break; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: invalid = (*((const Tcl_WideInt *)ptr2) < (Tcl_WideInt)0); break; @@ -7355,7 +8387,7 @@ ExecuteExtendedBinaryMathOp( case TCL_NUMBER_LONG: zero = (*(const long *)ptr1 > 0L); break; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: zero = (*(const Tcl_WideInt *)ptr1 > (Tcl_WideInt)0); break; @@ -7376,7 +8408,7 @@ ExecuteExtendedBinaryMathOp( } shift = (int)(*(const long *)ptr2); -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG /* * Handle shifts within the native wide range. */ @@ -7559,7 +8591,7 @@ ExecuteExtendedBinaryMathOp( BIG_RESULT(&bigResult); } -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if ((type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_WIDE)) { TclGetWideIntFromObj(NULL, valuePtr, &w1); TclGetWideIntFromObj(NULL, value2Ptr, &w2); @@ -7637,7 +8669,7 @@ ExecuteExtendedBinaryMathOp( negativeExponent = (l2 < 0); oddExponent = (int) (l2 & 1); break; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: w2 = *((const Tcl_WideInt *)ptr2); negativeExponent = (w2 < 0); @@ -7829,7 +8861,7 @@ ExecuteExtendedBinaryMathOp( #if (LONG_MAX > 0x7fffffff) || !defined(TCL_WIDE_INT_IS_LONG) if (type1 == TCL_NUMBER_LONG) { w1 = l1; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG } else if (type1 == TCL_NUMBER_WIDE) { w1 = *((const Tcl_WideInt *) ptr1); #endif @@ -8032,7 +9064,7 @@ ExecuteExtendedBinaryMathOp( switch (opcode) { case INST_ADD: wResult = w1 + w2; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if ((type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_WIDE)) #endif { @@ -8048,7 +9080,7 @@ ExecuteExtendedBinaryMathOp( case INST_SUB: wResult = w1 - w2; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if ((type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_WIDE)) #endif { @@ -8174,7 +9206,7 @@ ExecuteExtendedUnaryMathOp( switch (opcode) { case INST_BITNOT: -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG if (type == TCL_NUMBER_WIDE) { w = *((const Tcl_WideInt *) ptr); WIDE_RESULT(~w); @@ -8196,7 +9228,7 @@ ExecuteExtendedUnaryMathOp( } TclBNInitBignumFromLong(&big, *(const long *) ptr); break; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: w = *((const Tcl_WideInt *) ptr); if (w != LLONG_MIN) { @@ -8248,7 +9280,7 @@ TclCompareTwoNumbers( mp_int big1, big2; double d1, d2, tmp; long l1, l2; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG Tcl_WideInt w1, w2; #endif @@ -8263,7 +9295,7 @@ TclCompareTwoNumbers( l2 = *((const long *)ptr2); longCompare: return (l1 < l2) ? MP_LT : ((l1 > l2) ? MP_GT : MP_EQ); -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: w2 = *((const Tcl_WideInt *)ptr2); w1 = (Tcl_WideInt)l1; @@ -8315,7 +9347,7 @@ TclCompareTwoNumbers( return compare; } -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: w1 = *((const Tcl_WideInt *)ptr1); switch (type2) { @@ -8376,7 +9408,7 @@ TclCompareTwoNumbers( } l1 = (long) d1; goto longCompare; -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: w2 = *((const Tcl_WideInt *)ptr2); d2 = (double) w2; @@ -8420,7 +9452,7 @@ TclCompareTwoNumbers( case TCL_NUMBER_BIG: Tcl_TakeBignumFromObj(NULL, valuePtr, &big1); switch (type2) { -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG case TCL_NUMBER_WIDE: #endif case TCL_NUMBER_LONG: @@ -8577,7 +9609,7 @@ 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); @@ -8627,10 +9659,12 @@ IllegalExprOperandType( ClientData ptr; int type; const unsigned char opcode = *pc; - const char *description, *operator = operatorStrings[opcode - INST_LOR]; + const char *description, *operator = "unknown"; if (opcode == INST_EXPON) { operator = "**"; + } else if (opcode <= INST_STR_NEQ) { + operator = operatorStrings[opcode - INST_LOR]; } if (GetNumberFromObj(NULL, opndPtr, &ptr, &type) != TCL_OK) { @@ -8661,7 +9695,7 @@ IllegalExprOperandType( /* *---------------------------------------------------------------------- * - * TclGetSrcInfoForPc, GetSrcInfoForPc, TclGetSrcInfoForCmd -- + * TclGetSrcInfoForPc, GetSrcInfoForPc, TclGetSourceFromFrame -- * * Given a program counter value, finds the closest command in the * bytecode code unit's CmdLocation array and returns information about @@ -8682,16 +9716,26 @@ IllegalExprOperandType( *---------------------------------------------------------------------- */ -const char * -TclGetSrcInfoForCmd( - Interp *iPtr, - int *lenPtr) +Tcl_Obj * +TclGetSourceFromFrame( + CmdFrame *cfPtr, + int objc, + Tcl_Obj *const objv[]) { - CmdFrame *cfPtr = iPtr->cmdFramePtr; - ByteCode *codePtr = (ByteCode *) cfPtr->data.tebc.codePtr; - - return GetSrcInfoForPc((unsigned char *) cfPtr->data.tebc.pc, - codePtr, lenPtr, NULL); + if (cfPtr == NULL) { + return Tcl_NewListObj(objc, objv); + } + if (cfPtr->cmdObj == NULL) { + if (cfPtr->cmd == NULL) { + ByteCode *codePtr = (ByteCode *) cfPtr->data.tebc.codePtr; + + cfPtr->cmd = GetSrcInfoForPc((unsigned char *) + cfPtr->data.tebc.pc, codePtr, &cfPtr->len, NULL, NULL); + } + cfPtr->cmdObj = Tcl_NewStringObj(cfPtr->cmd, cfPtr->len); + Tcl_IncrRefCount(cfPtr->cmdObj); + } + return cfPtr->cmdObj; } void @@ -8700,13 +9744,16 @@ TclGetSrcInfoForPc( { ByteCode *codePtr = (ByteCode *) cfPtr->data.tebc.codePtr; - if (cfPtr->cmd.str.cmd == NULL) { - cfPtr->cmd.str.cmd = GetSrcInfoForPc( + assert(cfPtr->type == TCL_LOCATION_BC); + + if (cfPtr->cmd == NULL) { + + cfPtr->cmd = GetSrcInfoForPc( (unsigned char *) cfPtr->data.tebc.pc, codePtr, - &cfPtr->cmd.str.len, NULL); + &cfPtr->len, NULL, NULL); } - if (cfPtr->cmd.str.cmd != NULL) { + if (cfPtr->cmd != NULL) { /* * We now have the command. We can get the srcOffset back and from * there find the list of word locations for this command. @@ -8723,7 +9770,7 @@ TclGetSrcInfoForPc( return; } - srcOffset = cfPtr->cmd.str.cmd - codePtr->source; + srcOffset = cfPtr->cmd - codePtr->source; eclPtr = Tcl_GetHashValue(hePtr); for (i=0; i < eclPtr->nuloc; i++) { @@ -8763,9 +9810,12 @@ 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; @@ -8775,6 +9825,7 @@ 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; @@ -8842,6 +9893,7 @@ GetSrcInfoForPc( bestDist = dist; bestSrcOffset = srcOffset; bestSrcLength = srcLen; + bestCmdIdx = i; } } } @@ -8871,6 +9923,10 @@ GetSrcInfoForPc( *lengthPtr = bestSrcLength; } + if (cmdIdxPtr != NULL) { + *cmdIdxPtr = bestCmdIdx; + } + return (codePtr->source + bestSrcOffset); } |