diff options
Diffstat (limited to 'generic/tclExecute.c')
| -rw-r--r-- | generic/tclExecute.c | 563 |
1 files changed, 175 insertions, 388 deletions
diff --git a/generic/tclExecute.c b/generic/tclExecute.c index 7f65262..ad80b28 100644 --- a/generic/tclExecute.c +++ b/generic/tclExecute.c @@ -20,10 +20,7 @@ #include "tclOOInt.h" #include "tommath.h" #include <math.h> - -#if NRE_ENABLE_ASSERTS #include <assert.h> -#endif /* * Hack to determine whether we may expect IEEE floating point. The hack is @@ -37,14 +34,14 @@ #endif /* - * A mask (should be 2**n-1) that is used to work out when the bytecode engine - * should call Tcl_AsyncReady() to see whether there is a signal that needs - * handling. + * A counter that is used to work out when the bytecode engine should call + * Tcl_AsyncReady() to see whether there is a signal that needs handling, and + * other expensive periodic operations. */ -#ifndef ASYNC_CHECK_COUNT_MASK -# define ASYNC_CHECK_COUNT_MASK 63 -#endif /* !ASYNC_CHECK_COUNT_MASK */ +#ifndef ASYNC_CHECK_COUNT +# define ASYNC_CHECK_COUNT 64 +#endif /* !ASYNC_CHECK_COUNT */ /* * Boolean flag indicating whether the Tcl bytecode interpreter has been @@ -328,7 +325,7 @@ VarHashCreateVar( NEXT_INST_F(((condition)? TclGetInt4AtPtr(pc+1) : 5), (cleanup), 0); \ default: \ if ((condition) < 0) { \ - TclNewIntObj(objResultPtr, -1); \ + TclNewLongObj(objResultPtr, -1); \ } else { \ objResultPtr = TCONST((condition) > 0); \ } \ @@ -349,7 +346,7 @@ VarHashCreateVar( NEXT_INST_V(((condition)? TclGetInt4AtPtr(pc+1) : 5), (cleanup), 0); \ default: \ if ((condition) < 0) { \ - TclNewIntObj(objResultPtr, -1); \ + TclNewLongObj(objResultPtr, -1); \ } else { \ objResultPtr = TCONST((condition) > 0); \ } \ @@ -360,7 +357,7 @@ VarHashCreateVar( #define JUMP_PEEPHOLE_F(condition, pcAdjustment, cleanup) \ do{ \ if ((condition) < 0) { \ - TclNewIntObj(objResultPtr, -1); \ + TclNewLongObj(objResultPtr, -1); \ } else { \ objResultPtr = TCONST((condition) > 0); \ } \ @@ -369,7 +366,7 @@ VarHashCreateVar( #define JUMP_PEEPHOLE_V(condition, pcAdjustment, cleanup) \ do{ \ if ((condition) < 0) { \ - TclNewIntObj(objResultPtr, -1); \ + TclNewLongObj(objResultPtr, -1); \ } else { \ objResultPtr = TCONST((condition) > 0); \ } \ @@ -515,7 +512,7 @@ VarHashCreateVar( (&((objPtr)->internalRep.doubleValue)), TCL_OK) : \ ((((objPtr)->typePtr == NULL) && ((objPtr)->bytes == NULL)) || \ (((objPtr)->bytes != NULL) && ((objPtr)->length == 0))) \ - ? (*(tPtr) = TCL_NUMBER_LONG),TCL_ERROR : \ + ? TCL_ERROR : \ TclGetNumberFromObj((interp), (objPtr), (ptrPtr), (tPtr))) #else /* !TCL_WIDE_INT_IS_LONG */ #define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \ @@ -535,7 +532,7 @@ VarHashCreateVar( (&((objPtr)->internalRep.doubleValue)), TCL_OK) : \ ((((objPtr)->typePtr == NULL) && ((objPtr)->bytes == NULL)) || \ (((objPtr)->bytes != NULL) && ((objPtr)->length == 0))) \ - ? (*(tPtr) = TCL_NUMBER_LONG),TCL_ERROR : \ + ? TCL_ERROR : \ TclGetNumberFromObj((interp), (objPtr), (ptrPtr), (tPtr))) #endif /* TCL_WIDE_INT_IS_LONG */ @@ -913,9 +910,9 @@ TclCreateExecEnv( + (size_t) (size-1) * sizeof(Tcl_Obj *)); eePtr->execStackPtr = esPtr; - TclNewBooleanObj(eePtr->constants[0], 0); + TclNewLongObj(eePtr->constants[0], 0); Tcl_IncrRefCount(eePtr->constants[0]); - TclNewBooleanObj(eePtr->constants[1], 1); + TclNewLongObj(eePtr->constants[1], 1); Tcl_IncrRefCount(eePtr->constants[1]); eePtr->interp = interp; eePtr->callbackPtr = NULL; @@ -930,7 +927,6 @@ TclCreateExecEnv( Tcl_MutexLock(&execMutex); if (!execInitialized) { - TclInitAuxDataTypeTable(); InitByteCodeExecution(interp); execInitialized = 1; } @@ -1029,7 +1025,6 @@ TclFinalizeExecution(void) Tcl_MutexLock(&execMutex); execInitialized = 0; Tcl_MutexUnlock(&execMutex); - TclFinalizeAuxDataTypeTable(); } /* @@ -1279,7 +1274,7 @@ TclStackFree( Tcl_Obj **markerPtr, *marker; if (iPtr == NULL || iPtr->execEnvPtr == NULL) { - ckfree((char *) freePtr); + ckfree(freePtr); return; } @@ -1503,11 +1498,9 @@ ExprObjCallback( * * Results: * A (ByteCode *) is returned pointing to the resulting ByteCode. - * The caller must manage its refCount and arrange for a call to - * TclCleanupByteCode() when the last reference disappears. * * Side effects: - * The Tcl_ObjType of objPtr is changed to the "bytecode" type, + * The Tcl_ObjType of objPtr is changed to the "exprcode" type, * and the ByteCode is kept in the internal rep (along with context * data for checking validity) for faster operations the next time * CompileExprObj is called on the same value. @@ -1540,7 +1533,7 @@ CompileExprObj( || (codePtr->nsPtr != namespacePtr) || (codePtr->nsEpoch != namespacePtr->resolverEpoch) || (codePtr->localCachePtr != iPtr->varFramePtr->localCachePtr)) { - FreeExprCodeInternalRep(objPtr); + TclFreeIntRep(objPtr); } } if (objPtr->typePtr != &exprCodeType) { @@ -1548,11 +1541,10 @@ CompileExprObj( * TIP #280: No invoker (yet) - Expression compilation. */ - int length; - const char *string = TclGetStringFromObj(objPtr, &length); + const char *string = TclGetString(objPtr); - TclInitCompileEnv(interp, &compEnv, string, length, NULL, 0); - TclCompileExpr(interp, string, length, &compEnv, 0); + TclInitCompileEnv(interp, &compEnv, string, objPtr->length, NULL, 0); + TclCompileExpr(interp, string, objPtr->length, &compEnv, 0); /* * Successful compilation. If the expression yielded no instructions, @@ -1560,7 +1552,7 @@ CompileExprObj( */ if (compEnv.codeNext == compEnv.codeStart) { - TclEmitPush(TclRegisterNewLiteral(&compEnv, "0", 1), + TclEmitPush(TclRegisterLiteral(&compEnv, "0", 1, 0), &compEnv); } @@ -1571,10 +1563,8 @@ CompileExprObj( */ TclEmitOpcode(INST_DONE, &compEnv); - TclInitByteCodeObj(objPtr, &compEnv); - objPtr->typePtr = &exprCodeType; + codePtr = TclInitByteCodeObj(objPtr, &exprCodeType, &compEnv); TclFreeCompileEnv(&compEnv); - codePtr = objPtr->internalRep.twoPtrValue.ptr1; if (iPtr->varFramePtr->localCachePtr) { codePtr->localCachePtr = iPtr->varFramePtr->localCachePtr; codePtr->localCachePtr->refCount++; @@ -1648,10 +1638,7 @@ FreeExprCodeInternalRep( { ByteCode *codePtr = objPtr->internalRep.twoPtrValue.ptr1; - objPtr->typePtr = NULL; - if (codePtr->refCount-- <= 1) { - TclCleanupByteCode(codePtr); - } + TclReleaseByteCode(codePtr); } /* @@ -2037,7 +2024,7 @@ TclNRExecuteByteCode( * sizeof(void *); int numWords = (size + sizeof(Tcl_Obj *) - 1) / sizeof(Tcl_Obj *); - codePtr->refCount++; + TclPreserveByteCode(codePtr); /* * Reserve the stack, setup the TEBCdataPtr (TD) and CallFrame @@ -2082,6 +2069,13 @@ TclNRExecuteByteCode( #endif /* + * Test namespace-50.9 demonstrates the need for this call. + * Use a --enable-symbols=mem bug to see. + */ + + TclResetRewriteEnsemble(interp, 1); + + /* * Push the callback for bytecode execution */ @@ -2119,8 +2113,14 @@ TEBCresume( * sporadically: no special need for speed. */ - int instructionCount = 0; /* Counter that is used to work out when to - * call Tcl_AsyncReady() */ + unsigned interruptCounter = 1; + /* Counter that is used to work out when to + * call Tcl_AsyncReady(). This must be 1 + * initially so that we call the async-check + * stanza early, otherwise there are command + * sequences that can make the interpreter + * busy-loop without an opportunity to + * recognise an interrupt. */ const char *curInstName; #ifdef TCL_COMPILE_DEBUG int traceInstructions; /* Whether we are doing instruction-level @@ -2318,10 +2318,11 @@ TEBCresume( /* * Check for asynchronous handlers [Bug 746722]; we do the check every - * ASYNC_CHECK_COUNT_MASK instruction, of the form (2**n-1). + * ASYNC_CHECK_COUNT instructions. */ - if ((instructionCount++ & ASYNC_CHECK_COUNT_MASK) == 0) { + if ((--interruptCounter) == 0) { + interruptCounter = ASYNC_CHECK_COUNT; DECACHE_STACK_INFO(); if (TclAsyncReady(iPtr)) { result = Tcl_AsyncInvoke(interp, result); @@ -2535,7 +2536,7 @@ TEBCresume( /* 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)); + TclGetString(valuePtr)); } fflush(stdout); } @@ -2682,154 +2683,18 @@ TEBCresume( NEXT_INST_F(5, 0, 0); } - case INST_STR_CONCAT1: { - int appendLen = 0; - char *bytes, *p; - Tcl_Obj **currPtr; - int onlyb = 1; + case INST_STR_CONCAT1: opnd = TclGetUInt1AtPtr(pc+1); - /* - * Detect only-bytearray-or-null case. - */ - - for (currPtr=&OBJ_AT_DEPTH(opnd-1); currPtr<=&OBJ_AT_TOS; currPtr++) { - if (((*currPtr)->typePtr != &tclByteArrayType) - && ((*currPtr)->bytes != tclEmptyStringRep)) { - onlyb = 0; - break; - } else if (((*currPtr)->typePtr == &tclByteArrayType) && - ((*currPtr)->bytes != NULL)) { - onlyb = 0; - break; - } - } - - /* - * Compute the length to be appended. - */ - - if (onlyb) { - for (currPtr = &OBJ_AT_DEPTH(opnd-2); - appendLen >= 0 && currPtr <= &OBJ_AT_TOS; currPtr++) { - if ((*currPtr)->bytes != tclEmptyStringRep) { - Tcl_GetByteArrayFromObj(*currPtr, &length); - appendLen += length; - } - } - } else { - for (currPtr = &OBJ_AT_DEPTH(opnd-2); - appendLen >= 0 && currPtr <= &OBJ_AT_TOS; currPtr++) { - bytes = TclGetStringFromObj(*currPtr, &length); - if (bytes != NULL) { - appendLen += length; - } - } - } - - if (appendLen < 0) { - /* TODO: convert panic to error ? */ - Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX); - } - - /* - * If nothing is to be appended, just return the first object by - * dropping all the others from the stack; this saves both the - * computation and copy of the string rep of the first object, - * enabling the fast '$x[set x {}]' idiom for 'K $x [set x {}]'. - */ - - if (appendLen == 0) { - TRACE_WITH_OBJ(("%u => ", opnd), objResultPtr); - NEXT_INST_V(2, (opnd-1), 0); - } - - /* - * If the first object is shared, we need a new obj for the result; - * otherwise, we can reuse the first object. In any case, make sure it - * has enough room to accomodate all the concatenated bytes. Note that - * if it is unshared its bytes are copied by ckrealloc, so that we set - * the loop parameters to avoid copying them again: p points to the - * end of the already copied bytes, currPtr to the second object. - */ - - objResultPtr = OBJ_AT_DEPTH(opnd-1); - if (!onlyb) { - bytes = TclGetStringFromObj(objResultPtr, &length); - if (length + appendLen < 0) { - /* TODO: convert panic to error ? */ - Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", - INT_MAX); - } -#ifndef TCL_COMPILE_DEBUG - if (bytes != tclEmptyStringRep && !Tcl_IsShared(objResultPtr)) { - TclFreeIntRep(objResultPtr); - objResultPtr->bytes = ckrealloc(bytes, length+appendLen+1); - objResultPtr->length = length + appendLen; - p = TclGetString(objResultPtr) + length; - currPtr = &OBJ_AT_DEPTH(opnd - 2); - } else -#endif - { - p = ckalloc(length + appendLen + 1); - TclNewObj(objResultPtr); - objResultPtr->bytes = p; - objResultPtr->length = length + appendLen; - currPtr = &OBJ_AT_DEPTH(opnd - 1); - } - - /* - * Append the remaining characters. - */ - - for (; currPtr <= &OBJ_AT_TOS; currPtr++) { - bytes = TclGetStringFromObj(*currPtr, &length); - if (bytes != NULL) { - memcpy(p, bytes, (size_t) length); - p += length; - } - } - *p = '\0'; - } else { - bytes = (char *) Tcl_GetByteArrayFromObj(objResultPtr, &length); - if (length + appendLen < 0) { - /* TODO: convert panic to error ? */ - Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", - INT_MAX); - } -#ifndef TCL_COMPILE_DEBUG - if (!Tcl_IsShared(objResultPtr)) { - bytes = (char *) Tcl_SetByteArrayLength(objResultPtr, - length + appendLen); - p = bytes + length; - currPtr = &OBJ_AT_DEPTH(opnd - 2); - } else -#endif - { - TclNewObj(objResultPtr); - bytes = (char *) Tcl_SetByteArrayLength(objResultPtr, - length + appendLen); - p = bytes; - currPtr = &OBJ_AT_DEPTH(opnd - 1); - } - - /* - * Append the remaining characters. - */ - - for (; currPtr <= &OBJ_AT_TOS; currPtr++) { - if ((*currPtr)->bytes != tclEmptyStringRep) { - bytes = (char *) Tcl_GetByteArrayFromObj(*currPtr,&length); - memcpy(p, bytes, (size_t) length); - p += length; - } - } + if (TCL_OK != TclStringCatObjv(interp, /* inPlace */ 1, + opnd, &OBJ_AT_DEPTH(opnd-1), &objResultPtr)) { + TRACE_ERROR(interp); + goto gotError; } TRACE_WITH_OBJ(("%u => ", opnd), objResultPtr); NEXT_INST_V(2, opnd, 1); - } case INST_CONCAT_STK: /* @@ -3157,35 +3022,34 @@ TEBCresume( fflush(stdout); } #endif /*TCL_COMPILE_DEBUG*/ - { - Tcl_Obj *copyPtr = Tcl_NewListObj(objc - opnd + 1, NULL); - register List *listRepPtr = copyPtr->internalRep.twoPtrValue.ptr1; - Tcl_Obj **copyObjv = &listRepPtr->elements; - int i; - listRepPtr->elemCount = objc - opnd + 1; - copyObjv[0] = objPtr; - memcpy(copyObjv+1, objv+opnd, sizeof(Tcl_Obj *) * (objc - opnd)); - for (i=1 ; i<objc-opnd+1 ; i++) { - Tcl_IncrRefCount(copyObjv[i]); - } - objPtr = copyPtr; - } bcFramePtr->data.tebc.pc = (char *) pc; iPtr->cmdFramePtr = bcFramePtr; if (iPtr->flags & INTERP_DEBUG_FRAME) { ArgumentBCEnter(interp, codePtr, TD, pc, objc, objv); } - iPtr->ensembleRewrite.sourceObjs = objv; - iPtr->ensembleRewrite.numRemovedObjs = opnd; - iPtr->ensembleRewrite.numInsertedObjs = 1; + + TclInitRewriteEnsemble(interp, opnd, 1, objv); + + { + Tcl_Obj *copyPtr = Tcl_NewListObj(objc - opnd + 1, NULL); + + Tcl_ListObjAppendElement(NULL, copyPtr, objPtr); + Tcl_ListObjReplace(NULL, copyPtr, LIST_MAX, 0, + objc - opnd, objv + opnd); + Tcl_DecrRefCount(objPtr); + objPtr = copyPtr; + } + DECACHE_STACK_INFO(); pc += 6; TEBC_YIELD(); TclMarkTailcall(interp); - TclNRAddCallback(interp, TclClearRootEnsemble, NULL,NULL,NULL,NULL); - return TclNREvalObjEx(interp, objPtr, TCL_EVAL_INVOKE, NULL, INT_MIN); + TclNRAddCallback(interp, TclClearRootEnsemble, NULL, NULL, NULL, NULL); + Tcl_ListObjGetElements(NULL, objPtr, &objc, &objv); + TclNRAddCallback(interp, TclNRReleaseValues, objPtr, NULL, NULL, NULL); + return TclNREvalObjv(interp, objc, objv, TCL_EVAL_INVOKE, NULL); /* * ----------------------------------------------------------------- @@ -4418,8 +4282,8 @@ TEBCresume( savedNsPtr = iPtr->varFramePtr->nsPtr; iPtr->varFramePtr->nsPtr = (Namespace *) nsPtr; otherPtr = TclObjLookupVarEx(interp, OBJ_AT_TOS, NULL, - (TCL_NAMESPACE_ONLY | TCL_LEAVE_ERR_MSG), "access", - /*createPart1*/ 1, /*createPart2*/ 1, &varPtr); + (TCL_NAMESPACE_ONLY|TCL_LEAVE_ERR_MSG|TCL_AVOID_RESOLVERS), + "access", /*createPart1*/ 1, /*createPart2*/ 1, &varPtr); iPtr->varFramePtr->nsPtr = savedNsPtr; if (!otherPtr) { TRACE_ERROR(interp); @@ -4664,7 +4528,7 @@ TEBCresume( NEXT_INST_F(1, 0, 1); } case INST_INFO_LEVEL_NUM: - TclNewIntObj(objResultPtr, iPtr->varFramePtr->level); + TclNewLongObj(objResultPtr, iPtr->varFramePtr->level); TRACE_WITH_OBJ(("=> "), objResultPtr); NEXT_INST_F(1, 0, 1); case INST_INFO_LEVEL_ARGS: { @@ -5033,7 +4897,7 @@ TEBCresume( TRACE_ERROR(interp); goto gotError; } - TclNewIntObj(objResultPtr, length); + TclNewLongObj(objResultPtr, length); TRACE_APPEND(("%d\n", length)); NEXT_INST_F(1, 1, 1); @@ -5281,23 +5145,10 @@ TEBCresume( toIdx = objc-1; } if (fromIdx == 0 && toIdx != objc-1 && !Tcl_IsShared(valuePtr)) { - /* - * BEWARE! This is looking inside the implementation of the - * list type. - */ - - List *listPtr = valuePtr->internalRep.twoPtrValue.ptr1; - - if (listPtr->refCount == 1) { - for (index=toIdx+1; index<objc ; index++) { - TclDecrRefCount(objv[index]); - } - listPtr->elemCount = toIdx+1; - listPtr->canonicalFlag = 1; - TclInvalidateStringRep(valuePtr); - TRACE_APPEND(("%.30s\n", O2S(valuePtr))); - NEXT_INST_F(9, 0, 0); - } + Tcl_ListObjReplace(interp, valuePtr, + toIdx + 1, LIST_MAX, 0, NULL); + TRACE_APPEND(("%.30s\n", O2S(valuePtr))); + NEXT_INST_F(9, 0, 0); } objResultPtr = Tcl_NewListObj(toIdx-fromIdx+1, objv+fromIdx); } else { @@ -5517,7 +5368,7 @@ TEBCresume( case INST_STR_LEN: valuePtr = OBJ_AT_TOS; length = Tcl_GetCharLength(valuePtr); - TclNewIntObj(objResultPtr, length); + TclNewLongObj(objResultPtr, length); TRACE(("\"%.20s\" => %d\n", O2S(valuePtr), length)); NEXT_INST_F(1, 1, 1); @@ -5723,17 +5574,6 @@ TEBCresume( length3 = Tcl_GetCharLength(value3Ptr); /* - * Remove substring. In-place. - */ - - if (length3 == 0 && !Tcl_IsShared(valuePtr) && toIdx == length) { - TclDecrRefCount(value3Ptr); - Tcl_SetObjLength(valuePtr, fromIdx); - TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); - NEXT_INST_F(1, 0, 0); - } - - /* * See if we can splice in place. This happens when the number of * characters being replaced is the same as the number of characters * in the string to be inserted. @@ -5744,59 +5584,27 @@ TEBCresume( if (Tcl_IsShared(valuePtr)) { objResultPtr = Tcl_DuplicateObj(valuePtr); - if (TclIsPureByteArray(objResultPtr) - && TclIsPureByteArray(value3Ptr)) { - bytes1 = Tcl_GetByteArrayFromObj(objResultPtr, NULL); - bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); - memcpy(bytes1 + fromIdx, bytes2, length3); - } else { - ustring1 = Tcl_GetUnicodeFromObj(objResultPtr, NULL); - ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); - memcpy(ustring1 + fromIdx, ustring2, - length3 * sizeof(Tcl_UniChar)); - - /* - * Magic! Flush the info in the string internal rep that - * refers to the about-to-be-invalidated UTF-8 rep. This - * sets the 'allocated' field of the String structure to 0 - * to indicate that a new buffer needs to be allocated. - * This is safe; we know we've got a tclStringTypePtr set - * at this point (post Tcl_GetUnicodeFromObj). - */ - - ((int *) objResultPtr->internalRep.twoPtrValue.ptr1)[1] = 0; - } - Tcl_InvalidateStringRep(objResultPtr); - TclDecrRefCount(value3Ptr); - TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); - NEXT_INST_F(1, 1, 1); } else { - if (TclIsPureByteArray(valuePtr) - && TclIsPureByteArray(value3Ptr)) { - bytes1 = Tcl_GetByteArrayFromObj(valuePtr, NULL); - bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); - memcpy(bytes1 + fromIdx, bytes2, length3); - } else { - ustring1 = Tcl_GetUnicodeFromObj(valuePtr, NULL); - ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); - memcpy(ustring1 + fromIdx, ustring2, - length3 * sizeof(Tcl_UniChar)); - - /* - * Magic! Flush the info in the string internal rep that - * refers to the about-to-be-invalidated UTF-8 rep. This - * sets the 'allocated' field of the String structure to 0 - * to indicate that a new buffer needs to be allocated. - * This is safe; we know we've got a tclStringTypePtr set - * at this point (post Tcl_GetUnicodeFromObj). - */ - - ((int *) objResultPtr->internalRep.twoPtrValue.ptr1)[1] = 0; - } - Tcl_InvalidateStringRep(valuePtr); - TclDecrRefCount(value3Ptr); - TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr))); + objResultPtr = valuePtr; + } + if (TclIsPureByteArray(objResultPtr) + && TclIsPureByteArray(value3Ptr)) { + bytes1 = Tcl_GetByteArrayFromObj(objResultPtr, NULL); + bytes2 = Tcl_GetByteArrayFromObj(value3Ptr, NULL); + memcpy(bytes1 + fromIdx, bytes2, length3); + } else { + ustring1 = Tcl_GetUnicodeFromObj(objResultPtr, NULL); + ustring2 = Tcl_GetUnicodeFromObj(value3Ptr, NULL); + memcpy(ustring1 + fromIdx, ustring2, + length3 * sizeof(Tcl_UniChar)); + } + Tcl_InvalidateStringRep(objResultPtr); + TclDecrRefCount(value3Ptr); + TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); + if (objResultPtr == valuePtr) { NEXT_INST_F(1, 0, 0); + } else { + NEXT_INST_F(1, 1, 1); } } @@ -5812,54 +5620,38 @@ TEBCresume( * Remove substring using copying. */ - if (length3 == 0) { - if (fromIdx > 0) { - objResultPtr = Tcl_NewUnicodeObj(ustring1, fromIdx); - if (toIdx < length) { - Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, - length - toIdx); - } - } else { - objResultPtr = Tcl_NewUnicodeObj(ustring1 + toIdx + 1, - length - toIdx); - } - TclDecrRefCount(value3Ptr); - TRACE_APPEND(("\"%.30s\"\n", O2S(objResultPtr))); - NEXT_INST_F(1, 1, 1); - } - - /* - * Splice string pieces by full copying. - */ - + objResultPtr = NULL; if (fromIdx > 0) { objResultPtr = Tcl_NewUnicodeObj(ustring1, fromIdx); - Tcl_AppendObjToObj(objResultPtr, value3Ptr); - if (toIdx < length) { - Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, - length - toIdx); + } + if (length3 > 0) { + if (objResultPtr) { + Tcl_AppendObjToObj(objResultPtr, value3Ptr); + } else if (Tcl_IsShared(value3Ptr)) { + objResultPtr = Tcl_DuplicateObj(value3Ptr); + } else { + objResultPtr = value3Ptr; } - } else if (Tcl_IsShared(value3Ptr)) { - objResultPtr = Tcl_DuplicateObj(value3Ptr); - if (toIdx < length) { + } + if (toIdx < length) { + if (objResultPtr) { Tcl_AppendUnicodeToObj(objResultPtr, ustring1 + toIdx + 1, length - toIdx); - } - } else { - /* - * Be careful with splicing the stack in this case; we have a - * refCount:1 object in value3Ptr and we want to append to it and - * make it be the refCount:1 object at the top of the stack - * afterwards. [Bug 82e7f67325] - */ - - if (toIdx < length) { - Tcl_AppendUnicodeToObj(value3Ptr, ustring1 + toIdx + 1, + } else { + objResultPtr = Tcl_NewUnicodeObj(ustring1 + toIdx + 1, length - toIdx); } + } + if (objResultPtr == NULL) { + /* This has to be the case [string replace $s 0 end {}] */ + /* which has result {} which is same as value3Ptr. */ + objResultPtr = value3Ptr; + } + if (objResultPtr == value3Ptr) { + /* See [Bug 82e7f67325] */ + TclDecrRefCount(OBJ_AT_TOS); + OBJ_AT_TOS = value3Ptr; TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr))); - TclDecrRefCount(valuePtr); - OBJ_AT_TOS = value3Ptr; /* Tricky! */ NEXT_INST_F(1, 0, 0); } TclDecrRefCount(value3Ptr); @@ -5927,45 +5719,19 @@ TEBCresume( NEXT_INST_V(1, 3, 1); case INST_STR_FIND: - ustring1 = Tcl_GetUnicodeFromObj(OBJ_AT_TOS, &length); /* Haystack */ - ustring2 = Tcl_GetUnicodeFromObj(OBJ_UNDER_TOS, &length2);/* Needle */ - - match = -1; - if (length2 > 0 && length2 <= length) { - end = ustring1 + length - length2 + 1; - for (p=ustring1 ; p<end ; p++) { - if ((*p == *ustring2) && - memcmp(ustring2,p,sizeof(Tcl_UniChar)*length2) == 0) { - match = p - ustring1; - break; - } - } - } + match = TclStringFind(OBJ_UNDER_TOS, OBJ_AT_TOS, 0); TRACE(("%.20s %.20s => %d\n", O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), match)); - TclNewIntObj(objResultPtr, match); + TclNewLongObj(objResultPtr, match); NEXT_INST_F(1, 2, 1); case INST_STR_FIND_LAST: - ustring1 = Tcl_GetUnicodeFromObj(OBJ_AT_TOS, &length); /* Haystack */ - ustring2 = Tcl_GetUnicodeFromObj(OBJ_UNDER_TOS, &length2);/* Needle */ - - match = -1; - if (length2 > 0 && length2 <= length) { - for (p=ustring1+length-length2 ; p>=ustring1 ; p--) { - if ((*p == *ustring2) && - memcmp(ustring2,p,sizeof(Tcl_UniChar)*length2) == 0) { - match = p - ustring1; - break; - } - } - } + match = TclStringLast(OBJ_UNDER_TOS, OBJ_AT_TOS, INT_MAX - 1); TRACE(("%.20s %.20s => %d\n", O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), match)); - - TclNewIntObj(objResultPtr, match); + TclNewLongObj(objResultPtr, match); NEXT_INST_F(1, 2, 1); case INST_STR_CLASS: @@ -6169,7 +5935,7 @@ TEBCresume( type1 = TCL_NUMBER_WIDE; } } - TclNewIntObj(objResultPtr, type1); + TclNewLongObj(objResultPtr, type1); TRACE(("\"%.20s\" => %d\n", O2S(OBJ_AT_TOS), type1)); NEXT_INST_F(1, 1, 1); @@ -6184,16 +5950,17 @@ TEBCresume( value2Ptr = OBJ_AT_TOS; valuePtr = OBJ_UNDER_TOS; - if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK) { + if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK + || GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2) != TCL_OK) { /* * At least one non-numeric argument - compare as strings. */ goto stringCompare; } - if (type1 == TCL_NUMBER_NAN) { + if (type1 == TCL_NUMBER_NAN || type2 == TCL_NUMBER_NAN) { /* - * NaN first arg: NaN != to everything, other compares are false. + * NaN arg: NaN != to everything, other compares are false. */ iResult = (*pc == INST_NEQ); @@ -6203,21 +5970,6 @@ TEBCresume( compare = MP_EQ; goto convertComparison; } - if (GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2) != TCL_OK) { - /* - * At least one non-numeric argument - compare as strings. - */ - - goto stringCompare; - } - if (type2 == TCL_NUMBER_NAN) { - /* - * NaN 2nd arg: NaN != to everything, other compares are false. - */ - - iResult = (*pc == INST_NEQ); - goto foundResult; - } if ((type1 == TCL_NUMBER_LONG) && (type2 == TCL_NUMBER_LONG)) { l1 = *((const long *)ptr1); l2 = *((const long *)ptr2); @@ -6376,7 +6128,7 @@ TEBCresume( if (l1 > 0L) { objResultPtr = TCONST(0); } else { - TclNewIntObj(objResultPtr, -1); + TclNewLongObj(objResultPtr, -1); } TRACE(("%s\n", O2S(objResultPtr))); NEXT_INST_F(1, 2, 1); @@ -7276,7 +7028,7 @@ TEBCresume( NEXT_INST_F(1, 0, -1); case INST_PUSH_RETURN_CODE: - TclNewIntObj(objResultPtr, result); + TclNewLongObj(objResultPtr, result); TRACE(("=> %u\n", result)); NEXT_INST_F(1, 0, 1); @@ -7720,6 +7472,7 @@ TEBCresume( goto gotError; } } + Tcl_IncrRefCount(dictPtr); if (TclListObjGetElements(interp, OBJ_AT_TOS, &length, &keyPtrPtr) != TCL_OK) { TRACE_ERROR(interp); @@ -7732,6 +7485,7 @@ TEBCresume( if (Tcl_DictObjGet(interp, dictPtr, keyPtrPtr[i], &valuePtr) != TCL_OK) { TRACE_ERROR(interp); + Tcl_DecrRefCount(dictPtr); goto gotError; } varPtr = LOCAL(duiPtr->varIndices[i]); @@ -7748,10 +7502,12 @@ TEBCresume( duiPtr->varIndices[i]) == NULL) { CACHE_STACK_INFO(); TRACE_ERROR(interp); + Tcl_DecrRefCount(dictPtr); goto gotError; } CACHE_STACK_INFO(); } + TclDecrRefCount(dictPtr); TRACE_APPEND(("OK\n")); NEXT_INST_F(9, 0, 0); @@ -7908,6 +7664,39 @@ TEBCresume( * ----------------------------------------------------------------- */ + case INST_CLOCK_READ: + { /* Read the wall clock */ + Tcl_WideInt wval; + Tcl_Time now; + switch(TclGetUInt1AtPtr(pc+1)) { + case 0: /* clicks */ +#ifdef TCL_WIDE_CLICKS + wval = TclpGetWideClicks(); +#else + wval = (Tcl_WideInt) TclpGetClicks(); +#endif + break; + case 1: /* microseconds */ + Tcl_GetTime(&now); + wval = (Tcl_WideInt) now.sec * 1000000 + now.usec; + break; + case 2: /* milliseconds */ + Tcl_GetTime(&now); + wval = (Tcl_WideInt) now.sec * 1000 + now.usec / 1000; + break; + case 3: /* seconds */ + Tcl_GetTime(&now); + wval = (Tcl_WideInt) now.sec; + break; + default: + Tcl_Panic("clockRead instruction with unknown clock#"); + } + /* TclNewWideObj(objResultPtr, wval); doesn't exist */ + objResultPtr = Tcl_NewWideIntObj(wval); + TRACE_WITH_OBJ(("=> "), objResultPtr); + NEXT_INST_F(2, 0, 1); + } + default: Tcl_Panic("TclNRExecuteByteCode: unrecognized opCode %u", *pc); } /* end of switch on opCode */ @@ -8196,9 +7985,7 @@ TEBCresume( } iPtr->cmdFramePtr = bcFramePtr->nextPtr; - if (codePtr->refCount-- <= 1) { - TclCleanupByteCode(codePtr); - } + TclReleaseByteCode(codePtr); TclStackFree(interp, TD); /* free my stack */ return result; @@ -9166,7 +8953,7 @@ ExecuteExtendedBinaryMathOp( } Tcl_TakeBignumFromObj(NULL, valuePtr, &big1); mp_init(&bigResult); - mp_expt_d(&big1, big2.dp[0], &bigResult); + mp_expt_d_ex(&big1, big2.dp[0], &bigResult, 1); mp_clear(&big1); mp_clear(&big2); BIG_RESULT(&bigResult); @@ -9690,9 +9477,9 @@ PrintByteCodeInfo( Proc *procPtr = codePtr->procPtr; Interp *iPtr = (Interp *) *codePtr->interpHandle; - fprintf(stdout, "\nExecuting ByteCode 0x%p, refCt %u, epoch %u, interp 0x%p (epoch %u)\n", - codePtr, codePtr->refCount, codePtr->compileEpoch, iPtr, - iPtr->compileEpoch); + fprintf(stdout, "\nExecuting ByteCode 0x%p, refCt %" TCL_LL_MODIFIER "u, epoch %" TCL_LL_MODIFIER "u, interp 0x%p (epoch %" TCL_LL_MODIFIER "u)\n", + codePtr, (Tcl_WideInt)codePtr->refCount, (Tcl_WideInt)codePtr->compileEpoch, iPtr, + (Tcl_WideInt)iPtr->compileEpoch); fprintf(stdout, " Source: "); TclPrintSource(stdout, codePtr->source, 60); @@ -9789,7 +9576,7 @@ ValidatePcAndStackTop( TclNewLiteralStringObj(message, "\n executing "); Tcl_IncrRefCount(message); Tcl_AppendLimitedToObj(message, cmd, numChars, 100, NULL); - fprintf(stderr,"%s\n", Tcl_GetString(message)); + fprintf(stderr,"%s\n", TclGetString(message)); Tcl_DecrRefCount(message); } else { fprintf(stderr, "\n"); @@ -9839,7 +9626,7 @@ IllegalExprOperandType( if (GetNumberFromObj(NULL, opndPtr, &ptr, &type) != TCL_OK) { int numBytes; - const char *bytes = Tcl_GetStringFromObj(opndPtr, &numBytes); + const char *bytes = TclGetStringFromObj(opndPtr, &numBytes); if (numBytes == 0) { description = "empty string"; @@ -10252,7 +10039,7 @@ TclExprFloatError( "unknown floating-point error, errno = %d", errno); Tcl_SetErrorCode(interp, "ARITH", "UNKNOWN", - Tcl_GetString(objPtr), NULL); + TclGetString(objPtr), NULL); Tcl_SetObjResult(interp, objPtr); } } @@ -10468,7 +10255,7 @@ EvalStatsCmd( if (entryPtr->objPtr->typePtr == &tclByteCodeType) { numByteCodeLits++; } - (void) Tcl_GetStringFromObj(entryPtr->objPtr, &length); + (void) TclGetStringFromObj(entryPtr->objPtr, &length); refCountSum += entryPtr->refCount; objBytesIfUnshared += (entryPtr->refCount * sizeof(Tcl_Obj)); strBytesIfUnshared += (entryPtr->refCount * (length+1)); @@ -10690,7 +10477,7 @@ EvalStatsCmd( Tcl_SetObjResult(interp, objPtr); } else { Tcl_Channel outChan; - char *str = Tcl_GetStringFromObj(objv[1], &length); + char *str = TclGetStringFromObj(objv[1], &length); if (length) { if (strcmp(str, "stdout") == 0) { |