diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 1412 |
1 files changed, 952 insertions, 460 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index bbc3731..4ecca5b 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -174,29 +174,24 @@ static BuiltinFunc const tclBuiltinFuncTable[] = { typedef struct TEBCdata { ByteCode *codePtr; /* Constant until the BC returns */ /* -----------------------------------------*/ - const unsigned char *pc; /* These fields are used on return TO this */ - ptrdiff_t *catchTop; /* this level: they record the state when a */ - int cleanup; /* new codePtr was received for NR */ - Tcl_Obj *auxObjList; /* execution. */ - 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) @@ -320,6 +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() @@ -385,6 +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, \ @@ -401,6 +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 */ @@ -738,7 +800,8 @@ static Tcl_Obj ** StackAllocWords(Tcl_Interp *interp, int numWords); static Tcl_Obj ** StackReallocWords(Tcl_Interp *interp, int numWords); static Tcl_NRPostProc CopyCallback; static Tcl_NRPostProc ExprObjCallback; - +static Tcl_NRPostProc FinalizeOONext; +static Tcl_NRPostProc FinalizeOONextFilter; static Tcl_NRPostProc TEBCresume; /* @@ -1934,6 +1997,41 @@ TclIncrObj( /* *---------------------------------------------------------------------- * + * ArgumentBCEnter -- + * + * This is a helper for TclNRExecuteByteCode/TEBCresume that encapsulates + * a code sequence that is fairly common in the code but *not* commonly + * called. + * + * Results: + * None + * + * Side effects: + * May register information about the bytecode in the command frame. + * + *---------------------------------------------------------------------- + */ + +static void +ArgumentBCEnter( + Tcl_Interp *interp, + ByteCode *codePtr, + TEBCdata *tdPtr, + const unsigned char *pc, + int objc, + Tcl_Obj **objv) +{ + int cmd; + + if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { + TclArgumentBCEnter(interp, objv, objc, codePtr, &tdPtr->cmdFrame, cmd, + pc - codePtr->codeStart); + } +} + +/* + *---------------------------------------------------------------------- + * * TclNRExecuteByteCode -- * * This procedure executes the instructions of a ByteCode structure. It @@ -1966,10 +2064,6 @@ TclNRExecuteByteCode( * sizeof(void *); int numWords = (size + sizeof(Tcl_Obj *) - 1) / sizeof(Tcl_Obj *); - if (iPtr->execEnvPtr->rewind) { - return TCL_ERROR; - } - codePtr->refCount++; /* @@ -1988,11 +2082,8 @@ 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 @@ -2021,8 +2112,8 @@ TclNRExecuteByteCode( * Push the callback for bytecode execution */ - TclNRAddCallback(interp, TEBCresume, TD, /*resume*/ INT2PTR(0), - NULL, NULL); + TclNRAddCallback(interp, TEBCresume, TD, /* pc */ NULL, + /* cleanup */ INT2PTR(0), NULL); return TCL_OK; } @@ -2078,9 +2169,6 @@ 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. @@ -2088,7 +2176,8 @@ TEBCresume( Tcl_Obj **tosPtr; /* Cached pointer to top of evaluation * stack. */ - const unsigned char *pc; /* The current program counter. */ + const unsigned char *pc = data[1]; + /* The current program counter. */ unsigned char inst; /* The currently running instruction */ /* @@ -2096,8 +2185,10 @@ 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 @@ -2122,17 +2213,26 @@ 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); @@ -2141,68 +2241,49 @@ TEBCresume( } iPtr->cmdFramePtr = bcFramePtr->nextPtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - TclArgumentBCRelease((Tcl_Interp *) iPtr, bcFramePtr); + TclArgumentBCRelease(interp, bcFramePtr); } if (codePtr->flags & TCL_BYTECODE_RECOMPILE) { iPtr->flags |= ERR_ALREADY_LOGGED; codePtr->flags &= ~TCL_BYTECODE_RECOMPILE; } - CACHE_STACK_INFO(); - if (result == TCL_OK) { - /* - * 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)); - - /* - * 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. - */ - - 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); + 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; - } + TRACE_WITH_OBJ(("%u => ... after \"%.20s\": TCL_OK, result=", + objc, cmdNameBuf), Tcl_GetObjResult(interp)); - if (result != TCL_OK) { - pc--; - goto processExceptionReturn; - } - - /* - * 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 @@ -2413,25 +2494,93 @@ TEBCresume( TRACE_APPEND(("\n")); goto processExceptionReturn; - case INST_YIELD: { - CoroutineData *corPtr = iPtr->execEnvPtr->corPtr; + { + CoroutineData *corPtr; + int yieldParameter; + case INST_YIELD: + corPtr = iPtr->execEnvPtr->corPtr; TRACE(("%.30s => ", O2S(OBJ_AT_TOS))); if (!corPtr) { TRACE_APPEND(("ERROR: yield outside coroutine\n")); 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. */ @@ -2440,21 +2589,14 @@ TEBCresume( iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - int cmd; - if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, cmd, pc - codePtr->codeStart); - } + ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv); } pc++; cleanup = 1; TEBC_YIELD(); - - Tcl_SetObjResult(interp, OBJ_AT_TOS); TclNRAddCallback(interp, TclNRCoroutineActivateCallback, corPtr, - INT2PTR(0), NULL, NULL); - + INT2PTR(yieldParameter), NULL, NULL); return TCL_OK; } @@ -2467,11 +2609,14 @@ 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; @@ -2545,7 +2690,7 @@ 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: { @@ -2560,6 +2705,7 @@ TEBCresume( *b = tmpPtr; a++; b--; } + TRACE(("%u => OK\n", opnd)); NEXT_INST_F(5, 0, 0); } @@ -2741,6 +2887,7 @@ TEBCresume( 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: @@ -2757,6 +2904,7 @@ TEBCresume( /* Ugly abuse! */ starting = 1; #endif + TRACE(("=> drop %d items\n", objc)); NEXT_INST_V(1, objc, 0); case INST_EXPAND_STKTOP: { @@ -2770,9 +2918,9 @@ 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(); @@ -2816,6 +2964,7 @@ TEBCresume( PUSH_OBJECT(objv[i]); } + TRACE_APPEND(("OK\n")); Tcl_DecrRefCount(objPtr); NEXT_INST_F(5, 0, 0); } @@ -2908,11 +3057,7 @@ TEBCresume( iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - int cmd; - if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, cmd, pc - codePtr->codeStart); - } + ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv); } DECACHE_STACK_INFO(); @@ -3057,11 +3202,7 @@ TEBCresume( bcFramePtr->data.tebc.pc = (char *) pc; iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { - int cmd; - if (GetSrcInfoForPc(pc, codePtr, NULL, NULL, &cmd)) { - TclArgumentBCEnter((Tcl_Interp *) iPtr, objv, objc, - codePtr, bcFramePtr, cmd, pc - codePtr->codeStart); - } + ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv); } iPtr->ensembleRewrite.sourceObjs = objv; iPtr->ensembleRewrite.numRemovedObjs = opnd; @@ -3160,7 +3301,7 @@ 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; @@ -3186,7 +3327,7 @@ 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; } @@ -3213,7 +3354,7 @@ 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))); @@ -3362,7 +3503,7 @@ 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); @@ -3412,7 +3553,7 @@ 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; @@ -3460,7 +3601,7 @@ 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 @@ -3535,9 +3676,11 @@ TEBCresume( varPtr = TclObjLookupVarEx(interp, objPtr, part2Ptr, TCL_LEAVE_ERR_MSG, "read", 1, 1, &arrayPtr); if (!varPtr) { + DECACHE_STACK_INFO(); Tcl_AddErrorInfo(interp, "\n (reading value of variable to increment)"); - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + CACHE_STACK_INFO(); + TRACE_ERROR(interp); Tcl_DecrRefCount(incrPtr); goto gotError; } @@ -3563,7 +3706,7 @@ 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; } @@ -3675,8 +3818,7 @@ 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); @@ -3713,8 +3855,7 @@ 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); @@ -3725,8 +3866,7 @@ TEBCresume( CACHE_STACK_INFO(); Tcl_DecrRefCount(incrPtr); if (objResultPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -3747,6 +3887,8 @@ TEBCresume( */ case INST_EXIST_SCALAR: + cleanup = 0; + pcAdjustment = 5; opnd = TclGetUInt4AtPtr(pc+1); varPtr = LOCAL(opnd); while (TclIsVarLink(varPtr)) { @@ -3763,16 +3905,11 @@ 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); @@ -3783,7 +3920,7 @@ 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", @@ -3800,13 +3937,11 @@ 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))); @@ -3814,6 +3949,7 @@ TEBCresume( case INST_EXIST_STK: cleanup = 1; + pcAdjustment = 1; part2Ptr = NULL; part1Ptr = OBJ_AT_TOS; /* variable name */ TRACE(("\"%.30s\" => ", O2S(part1Ptr))); @@ -3833,9 +3969,17 @@ 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. @@ -3853,7 +3997,7 @@ 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 @@ -3866,6 +4010,7 @@ TEBCresume( goto slowUnsetScalar; } varPtr->value.objPtr = NULL; + TRACE_APPEND(("OK\n")); NEXT_INST_F(6, 0, 0); } @@ -3886,7 +4031,7 @@ 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); @@ -3902,12 +4047,14 @@ 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); } } @@ -3931,7 +4078,7 @@ 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; @@ -3940,7 +4087,8 @@ 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(); @@ -3949,11 +4097,12 @@ 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; /* @@ -3962,7 +4111,7 @@ 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; @@ -4015,8 +4164,7 @@ 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; } } @@ -4049,7 +4197,7 @@ 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: @@ -4061,9 +4209,10 @@ 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); @@ -4091,9 +4240,11 @@ 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; } @@ -4108,13 +4259,16 @@ 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; } @@ -4129,16 +4283,18 @@ 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; } @@ -4156,7 +4312,7 @@ 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))) { @@ -4168,6 +4324,7 @@ TEBCresume( Var *linkPtr = varPtr->value.linkPtr; if (linkPtr == otherPtr) { + TRACE_APPEND(("already linked\n")); NEXT_INST_F(5, 1, 0); } if (TclIsVarInHash(linkPtr)) { @@ -4184,6 +4341,7 @@ TEBCresume( } } else if (TclPtrObjMakeUpvar(interp, otherPtr, NULL, 0, opnd) != TCL_OK) { + TRACE_ERROR(interp); goto gotError; } @@ -4192,6 +4350,7 @@ TEBCresume( * variables - and [variable] did not push it at all. */ + TRACE_APPEND(("link made\n")); NEXT_INST_F(5, 1, 0); } @@ -4238,31 +4397,29 @@ 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), + TRACE_APPEND(("%.20s false, new pc %u\n", O2S(valuePtr), (unsigned)(pc + jmpOffset[0] - codePtr->codeStart))); } } @@ -4281,7 +4438,7 @@ 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)); @@ -4376,13 +4533,11 @@ 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; } @@ -4391,38 +4546,76 @@ 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; @@ -4434,9 +4627,212 @@ 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); @@ -4470,6 +4866,7 @@ TEBCresume( } /* + * End of TclOO support instructions. * ----------------------------------------------------------------- * Start of INST_LIST and related instructions. */ @@ -4491,19 +4888,19 @@ 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. @@ -4521,8 +4918,7 @@ 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; } @@ -4530,8 +4926,7 @@ 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 @@ -4543,6 +4938,7 @@ 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 @@ -4550,8 +4946,7 @@ 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; } @@ -4574,8 +4969,7 @@ 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 */ @@ -4590,10 +4984,11 @@ 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; } @@ -4601,7 +4996,7 @@ 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: @@ -4611,6 +5006,7 @@ TEBCresume( opnd = TclGetUInt4AtPtr(pc + 1); numIndices = opnd - 2; + TRACE(("%d => ", opnd)); /* * Get the old value of variable, and remove the stack ref. This is @@ -4629,7 +5025,7 @@ 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; } @@ -4637,7 +5033,7 @@ 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 */ @@ -4657,6 +5053,8 @@ TEBCresume( valuePtr = OBJ_AT_TOS; value2Ptr = OBJ_UNDER_TOS; + TRACE(("\"%.30s\" \"%.30s\" \"%.30s\" => ", + O2S(value2Ptr), O2S(valuePtr), O2S(objPtr))); /* * Compute the new variable value. @@ -4664,8 +5062,7 @@ TEBCresume( objResultPtr = TclLsetList(interp, objPtr, value2Ptr, valuePtr); if (!objResultPtr) { - TRACE_WITH_OBJ(("\"%.30s\" => ERROR: ", O2S(value2Ptr)), - Tcl_GetObjResult(interp)); + TRACE_ERROR(interp); goto gotError; } @@ -4673,7 +5070,7 @@ 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 @@ -4686,6 +5083,8 @@ 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 @@ -4693,8 +5092,7 @@ 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; } @@ -4751,8 +5149,6 @@ 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 ; index++) { TclDecrRefCount(objv[index]); } @@ -4768,8 +5164,7 @@ 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: @@ -4778,9 +5173,9 @@ 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; @@ -4811,7 +5206,7 @@ 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. @@ -4819,21 +5214,7 @@ 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); - } -#endif - objResultPtr = TCONST(match); - NEXT_INST_F(0, 2, 1); + JUMP_PEEPHOLE_F(match, 1, 2); case INST_LIST_CONCAT: value2Ptr = OBJ_AT_TOS; @@ -4843,7 +5224,7 @@ TEBCresume( objResultPtr = Tcl_DuplicateObj(valuePtr); if (Tcl_ListObjAppendList(interp, objResultPtr, value2Ptr) != TCL_OK) { - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); TclDecrRefCount(objResultPtr); goto gotError; } @@ -4851,7 +5232,7 @@ TEBCresume( NEXT_INST_F(1, 2, 1); } else { if (Tcl_ListObjAppendList(interp, valuePtr, value2Ptr) != TCL_OK){ - TRACE_APPEND(("ERROR: %.30s\n", O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); @@ -4986,74 +5367,74 @@ 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(("\"%.25s\" => ", O2S(valuePtr))); + 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(("\"%.25s\"\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.20s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } else { length = Tcl_UtfToUpper(TclGetString(valuePtr)); Tcl_SetObjLength(valuePtr, length); - TRACE_APPEND(("\"%.25s\"\n", O2S(valuePtr))); + TclFreeIntRep(valuePtr); + TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } case INST_STR_LOWER: valuePtr = OBJ_AT_TOS; - TRACE(("\"%.25s\" => ", O2S(valuePtr))); + 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(("\"%.25s\"\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.20s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } else { length = Tcl_UtfToLower(TclGetString(valuePtr)); Tcl_SetObjLength(valuePtr, length); - TRACE_APPEND(("\"%.25s\"\n", O2S(valuePtr))); + TclFreeIntRep(valuePtr); + TRACE_APPEND(("\"%.20s\"\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } case INST_STR_TITLE: valuePtr = OBJ_AT_TOS; - TRACE(("\"%.25s\" => ", O2S(valuePtr))); + 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(("\"%.25s\"\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.20s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } else { length = Tcl_UtfToTitle(TclGetString(valuePtr)); Tcl_SetObjLength(valuePtr, length); - TRACE_APPEND(("\"%.25s\"\n", O2S(valuePtr))); + 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. @@ -5061,6 +5442,7 @@ TEBCresume( length = Tcl_GetCharLength(valuePtr); if (TclGetIntForIndexM(interp, value2Ptr, length-1, &index)!=TCL_OK) { + TRACE_ERROR(interp); goto gotError; } @@ -5086,18 +5468,18 @@ 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; } @@ -5168,6 +5550,7 @@ TEBCresume( || TclGetIntForIndexM(interp, OBJ_AT_TOS, length, &toIdx) != TCL_OK) { TclDecrRefCount(value3Ptr); + TRACE_ERROR(interp); goto gotError; } TclDecrRefCount(OBJ_AT_TOS); @@ -5179,7 +5562,7 @@ TEBCresume( } if (fromIdx > toIdx || fromIdx > length) { - TRACE_APPEND(("%.30s\n", O2S(valuePtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); TclDecrRefCount(value3Ptr); NEXT_INST_F(1, 0, 0); } @@ -5191,7 +5574,7 @@ TEBCresume( if (fromIdx == 0 && toIdx == length) { TclDecrRefCount(OBJ_AT_TOS); OBJ_AT_TOS = value3Ptr; - TRACE_APPEND(("%.30s\n", O2S(value3Ptr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr))); NEXT_INST_F(1, 0, 0); } @@ -5204,7 +5587,7 @@ TEBCresume( if (length3 == 0 && !Tcl_IsShared(valuePtr) && toIdx == length) { TclDecrRefCount(value3Ptr); Tcl_SetObjLength(valuePtr, fromIdx); - TRACE_APPEND(("%.30s\n", O2S(valuePtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } @@ -5242,7 +5625,7 @@ TEBCresume( ((int *) objResultPtr->internalRep.otherValuePtr)[1] = 0; } Tcl_InvalidateStringRep(objResultPtr); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } else { if (TclIsPureByteArray(valuePtr) @@ -5268,7 +5651,7 @@ TEBCresume( ((int *) objResultPtr->internalRep.otherValuePtr)[1] = 0; } Tcl_InvalidateStringRep(valuePtr); - TRACE_APPEND(("%.30s\n", O2S(valuePtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); NEXT_INST_F(1, 0, 0); } } @@ -5297,7 +5680,7 @@ TEBCresume( length - toIdx); } TclDecrRefCount(value3Ptr); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); } @@ -5319,14 +5702,24 @@ TEBCresume( length - toIdx); } } else { - objResultPtr = value3Ptr; + /* + * 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(objResultPtr, ustring1 + toIdx + 1, + 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))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 1, 1); case INST_STR_MAP: @@ -5335,27 +5728,27 @@ TEBCresume( 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); @@ -5384,6 +5777,7 @@ 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); @@ -5406,7 +5800,6 @@ TEBCresume( TRACE(("%.20s %.20s => %d\n", O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), match)); - TclNewIntObj(objResultPtr, match); NEXT_INST_F(1, 2, 1); @@ -5430,6 +5823,25 @@ 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: @@ -5472,77 +5884,68 @@ 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); - } -#endif - objResultPtr = TCONST(match); - NEXT_INST_F(0, 2, 1); + JUMP_PEEPHOLE_F(match, 2, 2); { const char *string1, *string2; int trim1, trim2; - case INST_STR_TRIM: + 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); - if (trim1 < length) { - trim2 = TclTrimRight(string1, length, string2, length2); - } else { - trim2 = 0; - } - if (trim1 == 0 && trim2 == 0) { - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ", - O2S(valuePtr), O2S(value2Ptr)), valuePtr); - NEXT_INST_F(1, 1, 0); - } else { - objResultPtr = Tcl_NewStringObj(string1+trim1, length-trim1-trim2); - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ", - O2S(valuePtr), O2S(value2Ptr)), objResultPtr); - NEXT_INST_F(1, 2, 1); - } - case INST_STR_TRIM_LEFT: + 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); - trim1 = TclTrimLeft(string1, length, string2, length2); - if (trim1 == 0) { - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ", - O2S(valuePtr), O2S(value2Ptr)), valuePtr); - NEXT_INST_F(1, 1, 0); - } else { - objResultPtr = Tcl_NewStringObj(string1+trim1, length-trim1); - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ", - O2S(valuePtr), O2S(value2Ptr)), objResultPtr); - NEXT_INST_F(1, 2, 1); - } - case INST_STR_TRIM_RIGHT: + 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); - trim2 = TclTrimRight(string1, length, string2, length2); - if (trim2 == 0) { - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ", - O2S(valuePtr), O2S(value2Ptr)), valuePtr); + 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 + 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, length-trim2); - TRACE_WITH_OBJ(("\"%.30s\" \"%.30s\" => ", - O2S(valuePtr), O2S(value2Ptr)), objResultPtr); + 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); } } @@ -5551,6 +5954,7 @@ TEBCresume( 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. @@ -5561,44 +5965,24 @@ 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); } /* @@ -5612,6 +5996,39 @@ 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: @@ -5696,21 +6113,9 @@ 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: @@ -5797,13 +6202,13 @@ 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))); @@ -5845,13 +6250,13 @@ 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))); @@ -5868,12 +6273,12 @@ 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; @@ -5931,8 +6336,7 @@ 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))); @@ -6104,8 +6508,7 @@ 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))); @@ -6123,7 +6526,7 @@ 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); @@ -6132,18 +6535,20 @@ 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); @@ -6154,23 +6559,28 @@ 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); @@ -6180,23 +6590,28 @@ 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); } @@ -6209,6 +6624,7 @@ TEBCresume( */ valuePtr = OBJ_AT_TOS; + TRACE(("\"%.20s\" => ", O2S(valuePtr))); if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK) { if (*pc == INST_UPLUS) { @@ -6216,7 +6632,7 @@ 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); @@ -6225,7 +6641,7 @@ TEBCresume( } /* ... TryConvertToNumeric($NonNumeric) is acceptable */ - TRACE(("\"%.20s\" => not numeric\n", O2S(valuePtr))); + TRACE_APPEND(("not numeric\n")); NEXT_INST_F(1, 0, 0); } if (IsErroringNaNType(type1)) { @@ -6234,7 +6650,7 @@ TEBCresume( * ... +$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); @@ -6244,8 +6660,7 @@ 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(); @@ -6263,7 +6678,7 @@ 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)) { @@ -6278,11 +6693,11 @@ 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); } @@ -6291,6 +6706,17 @@ 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(); @@ -6299,6 +6725,7 @@ TEBCresume( */ result = TCL_BREAK; cleanup = 0; + TRACE(("=> BREAK!\n")); goto processExceptionReturn; case INST_CONTINUE: @@ -6309,6 +6736,7 @@ TEBCresume( */ result = TCL_CONTINUE; cleanup = 0; + TRACE(("=> CONTINUE!\n")); goto processExceptionReturn; { @@ -6360,6 +6788,7 @@ TEBCresume( */ opnd = TclGetUInt4AtPtr(pc+1); + TRACE(("%u => ", opnd)); infoPtr = codePtr->auxDataArrayPtr[opnd].clientData; numLists = infoPtr->numLists; @@ -6386,8 +6815,8 @@ 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) { @@ -6442,9 +6871,9 @@ 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; } @@ -6456,8 +6885,8 @@ 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 @@ -6491,6 +6920,7 @@ TEBCresume( 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 @@ -6503,8 +6933,8 @@ TEBCresume( numVars = varListPtr->numVars; listPtr = OBJ_AT_DEPTH(listTmpDepth); 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, \"%s\": %s", + i, O2S(listPtr), O2S(Tcl_GetObjResult(interp)))); goto gotError; } if (Tcl_IsShared(listPtr)) { @@ -6540,6 +6970,7 @@ TEBCresume( 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 @@ -6557,6 +6988,7 @@ TEBCresume( tmpPtr = OBJ_AT_TOS; infoPtr = tmpPtr->internalRep.otherValuePtr; numLists = infoPtr->numLists; + TRACE(("=> ")); tmpPtr = OBJ_AT_DEPTH(1); iterNum = PTR2INT(tmpPtr->internalRep.twoPtrValue.ptr1); @@ -6610,9 +7042,8 @@ 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: %.30s", + varIndex, O2S(Tcl_GetObjResult(interp)))); goto gotError; } CACHE_STACK_INFO(); @@ -6621,20 +7052,27 @@ TEBCresume( } 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: @@ -6651,6 +7089,7 @@ TEBCresume( 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); @@ -6716,7 +7155,8 @@ 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); } /* @@ -6733,10 +7173,10 @@ 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")); @@ -6745,6 +7185,7 @@ TEBCresume( case INST_DICT_GET: case INST_DICT_EXISTS: { register Tcl_Interp *interp2 = interp; + register int found; opnd = TclGetUInt4AtPtr(pc+1); TRACE(("%u => ", opnd)); @@ -6757,10 +7198,11 @@ 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; @@ -6769,34 +7211,40 @@ 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: @@ -6870,8 +7318,8 @@ 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; } @@ -6893,8 +7341,7 @@ TEBCresume( CACHE_STACK_INFO(); TclDecrRefCount(dictPtr); if (objResultPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -6903,7 +7350,7 @@ 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: @@ -6936,6 +7383,7 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } @@ -6984,6 +7432,7 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } Tcl_DictObjPut(NULL, dictPtr, OBJ_UNDER_TOS, valuePtr); @@ -6993,6 +7442,7 @@ TEBCresume( if (allocateDict) { TclDecrRefCount(dictPtr); } + TRACE_ERROR(interp); goto gotError; } @@ -7029,8 +7479,7 @@ TEBCresume( CACHE_STACK_INFO(); TclDecrRefCount(dictPtr); if (objResultPtr == NULL) { - TRACE_APPEND(("ERROR: %.30s\n", - O2S(Tcl_GetObjResult(interp)))); + TRACE_ERROR(interp); goto gotError; } } @@ -7050,6 +7499,7 @@ TEBCresume( if (Tcl_DictObjFirst(interp, dictPtr, searchPtr, &keyPtr, &valuePtr, &done) != TCL_OK) { ckfree(searchPtr); + TRACE_ERROR(interp); goto gotError; } TclNewObj(statePtr); @@ -7085,8 +7535,9 @@ 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 @@ -7094,37 +7545,17 @@ 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\n", - 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 => \n", opnd)); if (TclIsVarDirectReadable(varPtr)) { dictPtr = varPtr->value.objPtr; } else { @@ -7133,11 +7564,13 @@ 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) { @@ -7146,6 +7579,7 @@ 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]); @@ -7161,21 +7595,23 @@ 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 { @@ -7184,11 +7620,13 @@ 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); @@ -7234,27 +7672,27 @@ 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((" => ")); - TRACE_APPEND(("%.30s\n", O2S(objResultPtr))); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); NEXT_INST_F(1, 2, 1); case INST_DICT_RECOMBINE_STK: @@ -7264,14 +7702,14 @@ 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; } @@ -7281,7 +7719,7 @@ 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")); @@ -7295,7 +7733,7 @@ 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)) { @@ -7306,7 +7744,7 @@ 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")); @@ -7402,10 +7840,10 @@ TEBCresume( 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))); } } @@ -7418,8 +7856,8 @@ 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; @@ -7430,9 +7868,9 @@ 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(); @@ -7658,6 +8096,58 @@ 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; +} /* *---------------------------------------------------------------------- @@ -9185,10 +9675,12 @@ 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) { |
