diff options
Diffstat (limited to 'generic/tclCompile.c')
| -rw-r--r-- | generic/tclCompile.c | 192 |
1 files changed, 106 insertions, 86 deletions
diff --git a/generic/tclCompile.c b/generic/tclCompile.c index 309682d..5427759 100644 --- a/generic/tclCompile.c +++ b/generic/tclCompile.c @@ -529,6 +529,11 @@ InstructionDesc const tclInstructionTable[] = { /* Forces the variable indexed by opnd to be an array. Does not touch * the stack. */ + {"invokeReplace", 6, INT_MIN, 2, {OPERAND_UINT4,OPERAND_UINT1}}, + /* Invoke command named objv[0], replacing the first two words with + * the word at the top of the stack; + * <objc,objv> = <op4,top op4 after popping 1> */ + {NULL, 0, 0, 0, {OPERAND_NONE}} }; @@ -552,6 +557,7 @@ static int GetCmdLocEncodingSize(CompileEnv *envPtr); #ifdef TCL_COMPILE_STATS static void RecordByteCodeStats(ByteCode *codePtr); #endif /* TCL_COMPILE_STATS */ +static void RegisterAuxDataType(const AuxDataType *typePtr); static int SetByteCodeFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr); static int FormatInstruction(ByteCode *codePtr, @@ -568,6 +574,7 @@ static void EnterCmdWordData(ExtCmdLoc *eclPtr, int srcOffset, Tcl_Token *tokenPtr, const char *cmd, int len, int numWords, int line, int *clNext, int **lines, CompileEnv *envPtr); +static void ReleaseCmdWordData(ExtCmdLoc *eclPtr); /* * The structure below defines the bytecode Tcl object type by means of @@ -645,9 +652,6 @@ TclSetByteCodeFromAny( Interp *iPtr = (Interp *) interp; CompileEnv compEnv; /* Compilation environment structure allocated * in frame. */ - register const AuxData *auxDataPtr; - LiteralEntry *entryPtr; - register int i; int length, result = TCL_OK; const char *stringPtr; ContLineLoc *clLocPtr; @@ -717,35 +721,14 @@ TclSetByteCodeFromAny( TclVerifyLocalLiteralTable(&compEnv); #endif /*TCL_COMPILE_DEBUG*/ - TclInitByteCodeObj(objPtr, &compEnv); -#ifdef TCL_COMPILE_DEBUG - if (tclTraceCompile >= 2) { - TclPrintByteCodeObj(interp, objPtr); - fflush(stdout); - } -#endif /* TCL_COMPILE_DEBUG */ - - if (result != TCL_OK) { - /* - * Handle any error from the hookProc - */ - - entryPtr = compEnv.literalArrayPtr; - for (i = 0; i < compEnv.literalArrayNext; i++) { - TclReleaseLiteral(interp, entryPtr->objPtr); - entryPtr++; - } + if (result == TCL_OK) { + TclInitByteCodeObj(objPtr, &compEnv); #ifdef TCL_COMPILE_DEBUG - TclVerifyGlobalLiteralTable(iPtr); -#endif /*TCL_COMPILE_DEBUG*/ - - auxDataPtr = compEnv.auxDataArrayPtr; - for (i = 0; i < compEnv.auxDataArrayNext; i++) { - if (auxDataPtr->type->freeProc != NULL) { - auxDataPtr->type->freeProc(auxDataPtr->clientData); - } - auxDataPtr++; + if (tclTraceCompile >= 2) { + TclPrintByteCodeObj(interp, objPtr); + fflush(stdout); } +#endif /* TCL_COMPILE_DEBUG */ } TclFreeCompileEnv(&compEnv); @@ -784,8 +767,7 @@ SetByteCodeFromAny( if (interp == NULL) { return TCL_ERROR; } - TclSetByteCodeFromAny(interp, objPtr, NULL, NULL); - return TCL_OK; + return TclSetByteCodeFromAny(interp, objPtr, NULL, NULL); } /* @@ -839,10 +821,9 @@ static void FreeByteCodeInternalRep( register Tcl_Obj *objPtr) /* Object whose internal rep to free. */ { - register ByteCode *codePtr = objPtr->internalRep.otherValuePtr; + register ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1; objPtr->typePtr = NULL; - objPtr->internalRep.otherValuePtr = NULL; codePtr->refCount--; if (codePtr->refCount <= 0) { TclCleanupByteCode(codePtr); @@ -862,9 +843,8 @@ FreeByteCodeInternalRep( * None. * * Side effects: - * Frees objPtr's bytecode internal representation and sets its type and - * objPtr->internalRep.otherValuePtr NULL. Also releases its literals and - * frees its auxiliary data items. + * Frees objPtr's bytecode internal representation and sets its type NULL + * Also releases its literals and frees its auxiliary data items. * *---------------------------------------------------------------------- */ @@ -939,7 +919,7 @@ TclCleanupByteCode( * released. */ - if ((codePtr->flags & TCL_BYTECODE_PRECOMPILED) || (interp == NULL)) { + if (codePtr->flags & TCL_BYTECODE_PRECOMPILED) { objArrayPtr = codePtr->objArrayPtr; for (i = 0; i < numLitObjects; i++) { @@ -952,17 +932,9 @@ TclCleanupByteCode( codePtr->numLitObjects = 0; } else { objArrayPtr = codePtr->objArrayPtr; - for (i = 0; i < numLitObjects; i++) { - /* - * TclReleaseLiteral sets a ByteCode's object array entry NULL to - * indicate that it has already freed the literal. - */ - - objPtr = *objArrayPtr; - if (objPtr != NULL) { - TclReleaseLiteral(interp, objPtr); - } - objArrayPtr++; + while (numLitObjects--) { + /* TclReleaseLiteral calls Tcl_DecrRefCount() for us */ + TclReleaseLiteral(interp, *objArrayPtr++); } } @@ -987,22 +959,7 @@ TclCleanupByteCode( (char *) codePtr); if (hePtr) { - ExtCmdLoc *eclPtr = Tcl_GetHashValue(hePtr); - - if (eclPtr->type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(eclPtr->path); - } - for (i=0 ; i<eclPtr->nuloc ; i++) { - ckfree(eclPtr->loc[i].line); - } - - if (eclPtr->loc != NULL) { - ckfree(eclPtr->loc); - } - - Tcl_DeleteHashTable(&eclPtr->litInfo); - - ckfree(eclPtr); + ReleaseCmdWordData(Tcl_GetHashValue(hePtr)); Tcl_DeleteHashEntry(hePtr); } } @@ -1139,7 +1096,7 @@ CompileSubstObj( objPtr->typePtr = &substCodeType; TclFreeCompileEnv(&compEnv); - codePtr = objPtr->internalRep.otherValuePtr; + codePtr = objPtr->internalRep.twoPtrValue.ptr1; objPtr->internalRep.ptrAndLongRep.ptr = codePtr; objPtr->internalRep.ptrAndLongRep.value = flags; if (iPtr->varFramePtr->localCachePtr) { @@ -1178,12 +1135,33 @@ FreeSubstCodeInternalRep( register ByteCode *codePtr = objPtr->internalRep.ptrAndLongRep.ptr; objPtr->typePtr = NULL; - objPtr->internalRep.otherValuePtr = NULL; codePtr->refCount--; if (codePtr->refCount <= 0) { TclCleanupByteCode(codePtr); } } + +static void +ReleaseCmdWordData( + ExtCmdLoc *eclPtr) +{ + int i; + + if (eclPtr->type == TCL_LOCATION_SOURCE) { + Tcl_DecrRefCount(eclPtr->path); + } + for (i=0 ; i<eclPtr->nuloc ; i++) { + ckfree((char *) eclPtr->loc[i].line); + } + + if (eclPtr->loc != NULL) { + ckfree((char *) eclPtr->loc); + } + + Tcl_DeleteHashTable (&eclPtr->litInfo); + + ckfree((char *) eclPtr); +} /* *---------------------------------------------------------------------- @@ -1417,6 +1395,32 @@ TclFreeCompileEnv( ckfree(envPtr->localLitTable.buckets); envPtr->localLitTable.buckets = envPtr->localLitTable.staticBuckets; } + if (envPtr->iPtr) { + /* + * We never converted to Bytecode, so free the things we would + * have transferred to it. + */ + + int i; + LiteralEntry *entryPtr = envPtr->literalArrayPtr; + AuxData *auxDataPtr = envPtr->auxDataArrayPtr; + + for (i = 0; i < envPtr->literalArrayNext; i++) { + TclReleaseLiteral((Tcl_Interp *)envPtr->iPtr, entryPtr->objPtr); + entryPtr++; + } + +#ifdef TCL_COMPILE_DEBUG + TclVerifyGlobalLiteralTable(envPtr->iPtr); +#endif /*TCL_COMPILE_DEBUG*/ + + for (i = 0; i < envPtr->auxDataArrayNext; i++) { + if (auxDataPtr->type->freeProc != NULL) { + auxDataPtr->type->freeProc(auxDataPtr->clientData); + } + auxDataPtr++; + } + } if (envPtr->mallocedCodeArray) { ckfree(envPtr->codeStart); } @@ -1433,7 +1437,8 @@ TclFreeCompileEnv( ckfree(envPtr->auxDataArrayPtr); } if (envPtr->extCmdMapPtr) { - ckfree(envPtr->extCmdMapPtr); + ReleaseCmdWordData(envPtr->extCmdMapPtr); + envPtr->extCmdMapPtr = NULL; } /* @@ -1575,6 +1580,10 @@ TclCompileScript( int *wlines, wlineat, cmdLine, *clNext; Tcl_Parse *parsePtr = TclStackAlloc(interp, sizeof(Tcl_Parse)); + if (envPtr->iPtr == NULL) { + Tcl_Panic("TclCompileScript() called on uninitialized CompileEnv"); + } + Tcl_DStringInit(&ds); if (numBytes < 0) { @@ -1887,8 +1896,7 @@ TclCompileScript( tokenPtr[1].start, tokenPtr[1].size); if (cmdPtr != NULL) { TclSetCmdNameObj(interp, - envPtr->literalArrayPtr[objIndex].objPtr, - cmdPtr); + TclFetchLiteral(envPtr, objIndex), cmdPtr); } } else { /* @@ -1905,7 +1913,7 @@ TclCompileScript( if (envPtr->clNext) { TclContinuationsEnterDerived( - envPtr->literalArrayPtr[objIndex].objPtr, + TclFetchLiteral(envPtr, objIndex), tokenPtr[1].start - envPtr->source, eclPtr->loc[wlineat].next[wordIdx]); } @@ -2214,9 +2222,8 @@ TclCompileTokens( Tcl_DStringFree(&textBuffer); if (numCL) { - TclContinuationsEnter( - envPtr->literalArrayPtr[literal].objPtr, numCL, - clPosition); + TclContinuationsEnter(TclFetchLiteral(envPtr, literal), + numCL, clPosition); } numCL = 0; } @@ -2262,7 +2269,7 @@ TclCompileTokens( TclEmitPush(literal, envPtr); numObjsToConcat++; if (numCL) { - TclContinuationsEnter(envPtr->literalArrayPtr[literal].objPtr, + TclContinuationsEnter(TclFetchLiteral(envPtr, literal), numCL, clPosition); } numCL = 0; @@ -2509,6 +2516,10 @@ TclInitByteCodeObj( int i, isNew; Interp *iPtr; + if (envPtr->iPtr == NULL) { + Tcl_Panic("TclInitByteCodeObj() called on uninitialized CompileEnv"); + } + iPtr = envPtr->iPtr; codeBytes = envPtr->codeNext - envPtr->codeStart; @@ -2566,7 +2577,9 @@ TclInitByteCodeObj( p += TCL_ALIGN(codeBytes); /* align object array */ codePtr->objArrayPtr = (Tcl_Obj **) p; for (i = 0; i < numLitObjects; i++) { - if (objPtr == envPtr->literalArrayPtr[i].objPtr) { + Tcl_Obj *fetched = TclFetchLiteral(envPtr, i); + + if (objPtr == fetched) { /* * Prevent circular reference where the bytecode intrep of * a value contains a literal which is that same value. @@ -2585,7 +2598,7 @@ TclInitByteCodeObj( Tcl_IncrRefCount(codePtr->objArrayPtr[i]); Tcl_DecrRefCount(objPtr); } else { - codePtr->objArrayPtr[i] = envPtr->literalArrayPtr[i].objPtr; + codePtr->objArrayPtr[i] = fetched; } } @@ -2634,7 +2647,7 @@ TclInitByteCodeObj( */ TclFreeIntRep(objPtr); - objPtr->internalRep.otherValuePtr = codePtr; + objPtr->internalRep.twoPtrValue.ptr1 = codePtr; objPtr->typePtr = &tclByteCodeType; /* @@ -2646,6 +2659,9 @@ TclInitByteCodeObj( &isNew), envPtr->extCmdMapPtr); envPtr->extCmdMapPtr = NULL; + /* We've used up the CompileEnv. Mark as uninitialized. */ + envPtr->iPtr = NULL; + codePtr->localCachePtr = NULL; } @@ -3558,7 +3574,7 @@ TclGetInstructionTable(void) /* *-------------------------------------------------------------- * - * TclRegisterAuxDataType -- + * RegisterAuxDataType -- * * This procedure is called to register a new AuxData type in the table * of all AuxData types supported by Tcl. @@ -3574,8 +3590,8 @@ TclGetInstructionTable(void) *-------------------------------------------------------------- */ -void -TclRegisterAuxDataType( +static void +RegisterAuxDataType( const AuxDataType *typePtr) /* Information about object type; storage must * be statically allocated (must live forever; * will not be deallocated). */ @@ -3679,9 +3695,9 @@ TclInitAuxDataTypeTable(void) * There are only two AuxData type at this time, so register them here. */ - TclRegisterAuxDataType(&tclForeachInfoType); - TclRegisterAuxDataType(&tclJumptableInfoType); - TclRegisterAuxDataType(&tclDictUpdateInfoType); + RegisterAuxDataType(&tclForeachInfoType); + RegisterAuxDataType(&tclJumptableInfoType); + RegisterAuxDataType(&tclDictUpdateInfoType); } /* @@ -4053,7 +4069,7 @@ Tcl_Obj * TclDisassembleByteCodeObj( Tcl_Obj *objPtr) /* The bytecode object to disassemble. */ { - ByteCode *codePtr = objPtr->internalRep.otherValuePtr; + ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1; unsigned char *codeStart, *codeLimit, *pc; unsigned char *codeDeltaNext, *codeLengthNext; unsigned char *srcDeltaNext, *srcLengthNext; @@ -4558,7 +4574,11 @@ TclGetInnerContext( if (!objPtr) { Tcl_Panic("InnerContext: bad tos -- appending null object"); } - if (objPtr->refCount<=0 || objPtr->refCount==0x61616161) { + if ((objPtr->refCount<=0) +#ifdef TCL_MEM_DEBUG + || (objPtr->refCount==0x61616161) +#endif + ) { Tcl_Panic("InnerContext: bad tos -- appending freed object %p", objPtr); } |