diff options
Diffstat (limited to 'generic/tclBasic.c')
| -rw-r--r-- | generic/tclBasic.c | 600 |
1 files changed, 293 insertions, 307 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 788b853..2fbe858 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -13,7 +13,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclBasic.c,v 1.232 2006/12/13 16:33:26 dkf Exp $ + * RCS: @(#) $Id: tclBasic.c,v 1.233 2006/12/13 16:54:59 dgp Exp $ */ #include "tclInt.h" @@ -49,46 +49,49 @@ typedef struct OldMathFuncData { * Static functions in this file: */ -static char * CallCommandTraces(Interp *iPtr, Command *cmdPtr, +static char * CallCommandTraces (Interp *iPtr, Command *cmdPtr, CONST char *oldName, CONST char* newName, int flags); -static int CheckDoubleResult(Tcl_Interp *interp, double dResult); -static void DeleteInterpProc(Tcl_Interp *interp); +static int CheckDoubleResult (Tcl_Interp *interp, double dResult); +static void DeleteInterpProc (Tcl_Interp *interp); static void DeleteOpCmdClientData(ClientData clientData); -static void ProcessUnexpectedResult(Tcl_Interp *interp, int returnCode); -static int OldMathFuncProc(ClientData clientData, Tcl_Interp *interp, +static void ProcessUnexpectedResult (Tcl_Interp *interp, int returnCode); + +static int OldMathFuncProc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static void OldMathFuncDeleteProc(ClientData clientData); -static int ExprAbsFunc(ClientData clientData, Tcl_Interp *interp, + +static void OldMathFuncDeleteProc (ClientData clientData); + +static int ExprAbsFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprBinaryFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprBinaryFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprBoolFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprBoolFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprCeilFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprCeilFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprDoubleFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprDoubleFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprEntierFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprEntierFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprFloorFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprFloorFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprIntFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprIntFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprIsqrtFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprIsqrtFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprRandFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprRandFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprRoundFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprRoundFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprSqrtFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprSqrtFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprSrandFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprSrandFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprUnaryFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprUnaryFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static int ExprWideFunc(ClientData clientData, Tcl_Interp *interp, +static int ExprWideFunc (ClientData clientData, Tcl_Interp *interp, int argc, Tcl_Obj *CONST *objv); -static void MathFuncWrongNumArgs(Tcl_Interp* interp, int expected, +static void MathFuncWrongNumArgs (Tcl_Interp* interp, int expected, int actual, Tcl_Obj *CONST *objv); extern TclStubs tclStubs; @@ -124,7 +127,7 @@ static const CmdInfo builtInCmds[] = { */ {"append", Tcl_AppendObjCmd, TclCompileAppendCmd, 1}, - {"apply", Tcl_ApplyObjCmd, NULL, 1}, + {"apply", Tcl_ApplyObjCmd, NULL, 1}, {"array", Tcl_ArrayObjCmd, NULL, 1}, {"binary", Tcl_BinaryObjCmd, NULL, 1}, {"break", Tcl_BreakObjCmd, TclCompileBreakCmd, 1}, @@ -377,19 +380,18 @@ Tcl_CreateInterp(void) iPtr->numLevels = 0; iPtr->maxNestingDepth = MAX_NESTING_DEPTH; - iPtr->framePtr = NULL; /* Initialise as soon as :: is available */ - iPtr->varFramePtr = NULL; /* Initialise as soon as :: is available */ + iPtr->framePtr = NULL; /* initialise as soon as :: is available */ + iPtr->varFramePtr = NULL; /* initialise as soon as :: is available */ /* * TIP #280 - Initialize the arrays used to extend the ByteCode and * Proc structures. */ - - iPtr->cmdFramePtr = NULL; - iPtr->linePBodyPtr = (Tcl_HashTable *) ckalloc(sizeof(Tcl_HashTable)); - iPtr->lineBCPtr = (Tcl_HashTable *) ckalloc(sizeof(Tcl_HashTable)); + iPtr->cmdFramePtr = NULL; + iPtr->linePBodyPtr = (Tcl_HashTable*) ckalloc (sizeof (Tcl_HashTable)); + iPtr->lineBCPtr = (Tcl_HashTable*) ckalloc (sizeof (Tcl_HashTable)); Tcl_InitHashTable(iPtr->linePBodyPtr, TCL_ONE_WORD_KEYS); - Tcl_InitHashTable(iPtr->lineBCPtr, TCL_ONE_WORD_KEYS); + Tcl_InitHashTable(iPtr->lineBCPtr, TCL_ONE_WORD_KEYS); iPtr->activeVarTracePtr = NULL; @@ -403,7 +405,7 @@ Tcl_CreateInterp(void) iPtr->returnLevel = 1; iPtr->returnCode = TCL_OK; - iPtr->rootFramePtr = NULL; /* Initialise as soon as :: is available */ + iPtr->rootFramePtr = NULL; /* initialise as soon as :: is available */ iPtr->lookupNsPtr = NULL; iPtr->appendResult = NULL; @@ -433,13 +435,13 @@ Tcl_CreateInterp(void) iPtr->activeCmdTracePtr = NULL; iPtr->activeInterpTracePtr = NULL; iPtr->assocData = NULL; - iPtr->execEnvPtr = NULL; /* Set after namespaces initialized */ - iPtr->emptyObjPtr = Tcl_NewObj(); /* Another empty object */ + iPtr->execEnvPtr = NULL; /* set after namespaces initialized */ + iPtr->emptyObjPtr = Tcl_NewObj(); /* another empty object */ Tcl_IncrRefCount(iPtr->emptyObjPtr); iPtr->resultSpace[0] = 0; iPtr->threadId = Tcl_GetCurrentThread(); - iPtr->globalNsPtr = NULL; /* Force creation of global ns below */ + iPtr->globalNsPtr = NULL; /* force creation of global ns below */ iPtr->globalNsPtr = (Namespace *) Tcl_CreateNamespace(interp, "", (ClientData) NULL, NULL); if (iPtr->globalNsPtr == NULL) { @@ -544,7 +546,7 @@ Tcl_CreateInterp(void) */ for (cmdInfoPtr = builtInCmds; cmdInfoPtr->name != NULL; cmdInfoPtr++) { - int isNew; + int new; Tcl_HashEntry *hPtr; if ((cmdInfoPtr->objProc == NULL) @@ -553,8 +555,8 @@ Tcl_CreateInterp(void) } hPtr = Tcl_CreateHashEntry(&iPtr->globalNsPtr->cmdTable, - cmdInfoPtr->name, &isNew); - if (isNew) { + cmdInfoPtr->name, &new); + if (new) { cmdPtr = (Command *) ckalloc(sizeof(Command)); cmdPtr->hPtr = hPtr; cmdPtr->nsPtr = iPtr->globalNsPtr; @@ -587,20 +589,19 @@ Tcl_CreateInterp(void) Tcl_CreateObjCommand(interp, cmdInfo2Ptr->name2, cmdInfo2Ptr->objProc, NULL, NULL); } - /* TIP #208 */ Tcl_CreateObjCommand(interp, "::tcl::chan::Truncate", - TclChanTruncateObjCmd, NULL, NULL); - + TclChanTruncateObjCmd, (ClientData) NULL, NULL); /* TIP #219 */ Tcl_CreateObjCommand(interp, "::tcl::chan::rCreate", - TclChanCreateObjCmd, NULL, NULL); + TclChanCreateObjCmd, (ClientData) NULL, NULL); + Tcl_CreateObjCommand(interp, "::tcl::chan::rPostevent", - TclChanPostEventObjCmd, NULL, NULL); + TclChanPostEventObjCmd, (ClientData) NULL, NULL); /* TIP #287 */ Tcl_CreateObjCommand(interp, "::tcl::chan::Pending", - TclChanPendingObjCmd, NULL, NULL); + TclChanPendingObjCmd, (ClientData) NULL, NULL); /* * Register the built-in functions. This is empty now that they are @@ -644,8 +645,8 @@ Tcl_CreateInterp(void) (void) Tcl_Export(interp, mathopNSPtr, "*", 1); strcpy(mathFuncName, "::tcl::mathop::"); for (opcmdInfoPtr=mathOpCmds ; opcmdInfoPtr->name!=NULL ; opcmdInfoPtr++) { - TclOpCmdClientData *occdPtr = (TclOpCmdClientData *) - ckalloc(sizeof(TclOpCmdClientData)); + TclOpCmdClientData *occdPtr + = (TclOpCmdClientData *) ckalloc(sizeof(TclOpCmdClientData)); occdPtr->operator = opcmdInfoPtr->name; occdPtr->numArgs = opcmdInfoPtr->numArgs; occdPtr->expected = opcmdInfoPtr->expected; @@ -701,7 +702,7 @@ Tcl_CreateInterp(void) Tcl_SetVar(interp, "tcl_version", TCL_VERSION, TCL_GLOBAL_ONLY); Tcl_TraceVar2(interp, "tcl_precision", NULL, TCL_GLOBAL_ONLY|TCL_TRACE_READS|TCL_TRACE_WRITES|TCL_TRACE_UNSETS, - TclPrecTraceProc, NULL); + TclPrecTraceProc, (ClientData) NULL); TclpSetVariables(interp); #ifdef TCL_THREADS @@ -738,7 +739,7 @@ static void DeleteOpCmdClientData( ClientData clientData) { - TclOpCmdClientData *occdPtr = (TclOpCmdClientData *) clientData; + TclOpCmdClientData *occdPtr = (TclOpCmdClientData *)clientData; ckfree((char *)occdPtr); } @@ -813,7 +814,7 @@ Tcl_CallWhenDeleted( Interp *iPtr = (Interp *) interp; static Tcl_ThreadDataKey assocDataCounterKey; int *assocDataCounterPtr = - Tcl_GetThreadData(&assocDataCounterKey, (int) sizeof(int)); + Tcl_GetThreadData(&assocDataCounterKey, (int)sizeof(int)); int new; char buffer[32 + TCL_INTEGER_SPACE]; AssocData *dPtr = (AssocData *) ckalloc(sizeof(AssocData)); @@ -962,7 +963,7 @@ Tcl_DeleteAssocData( } dPtr = (AssocData *) Tcl_GetHashValue(hPtr); if (dPtr->proc != NULL) { - (dPtr->proc)(dPtr->clientData, interp); + (dPtr->proc) (dPtr->clientData, interp); } ckfree((char *) dPtr); Tcl_DeleteHashEntry(hPtr); @@ -1142,7 +1143,7 @@ DeleteInterpProc( */ if (iPtr->chanMsg != NULL) { - Tcl_DecrRefCount(iPtr->chanMsg); + Tcl_DecrRefCount (iPtr->chanMsg); iPtr->chanMsg = NULL; } @@ -1276,57 +1277,57 @@ DeleteInterpProc( TclDeleteLiteralTable(interp, &(iPtr->literalTable)); - /* - * TIP #280 - Release the arrays for ByteCode/Proc extension, and - * contents. + /* TIP #280 - Release the arrays for ByteCode/Proc extension, and contents. */ - { - Tcl_HashEntry *hPtr; + Tcl_HashEntry *hPtr; Tcl_HashSearch hSearch; - int i; + CmdFrame* cfPtr; + ExtCmdLoc* eclPtr; + int i; for (hPtr = Tcl_FirstHashEntry(iPtr->linePBodyPtr, &hSearch); - hPtr != NULL; - hPtr = Tcl_NextHashEntry(&hSearch)) { - CmdFrame *cfPtr = (CmdFrame*) Tcl_GetHashValue(hPtr); + hPtr != NULL; + hPtr = Tcl_NextHashEntry(&hSearch)) { + + cfPtr = (CmdFrame*) Tcl_GetHashValue (hPtr); if (cfPtr->type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(cfPtr->data.eval.path); + Tcl_DecrRefCount (cfPtr->data.eval.path); } - ckfree((char *) cfPtr->line); - ckfree((char *) cfPtr); - Tcl_DeleteHashEntry(hPtr); + ckfree ((char*) cfPtr->line); + ckfree ((char*) cfPtr); + Tcl_DeleteHashEntry (hPtr); + } - Tcl_DeleteHashTable(iPtr->linePBodyPtr); - ckfree((char *) iPtr->linePBodyPtr); + Tcl_DeleteHashTable (iPtr->linePBodyPtr); + ckfree ((char*) iPtr->linePBodyPtr); iPtr->linePBodyPtr = NULL; - /* - * See also tclCompile.c, TclCleanupByteCode - */ + /* See also tclCompile.c, TclCleanupByteCode */ for (hPtr = Tcl_FirstHashEntry(iPtr->lineBCPtr, &hSearch); - hPtr != NULL; - hPtr = Tcl_NextHashEntry(&hSearch)) { - ExtCmdLoc *eclPtr = (ExtCmdLoc *) Tcl_GetHashValue(hPtr); + hPtr != NULL; + hPtr = Tcl_NextHashEntry(&hSearch)) { + + eclPtr = (ExtCmdLoc*) Tcl_GetHashValue (hPtr); if (eclPtr->type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(eclPtr->path); + Tcl_DecrRefCount (eclPtr->path); } for (i=0; i< eclPtr->nuloc; i++) { - ckfree((char *) eclPtr->loc[i].line); + ckfree ((char*) eclPtr->loc[i].line); } - if (eclPtr->loc != NULL) { - ckfree((char *) eclPtr->loc); + if (eclPtr->loc != NULL) { + ckfree ((char*) eclPtr->loc); } - ckfree((char *) eclPtr); - Tcl_DeleteHashEntry(hPtr); + ckfree ((char*) eclPtr); + Tcl_DeleteHashEntry (hPtr); } - Tcl_DeleteHashTable(iPtr->lineBCPtr); - ckfree((char *) iPtr->lineBCPtr); + Tcl_DeleteHashTable (iPtr->lineBCPtr); + ckfree((char*) iPtr->lineBCPtr); iPtr->lineBCPtr = NULL; } ckfree((char *) iPtr); @@ -1785,7 +1786,7 @@ Tcl_CreateCommand( cmdPtr->importRefPtr = oldRefPtr; while (oldRefPtr != NULL) { refCmdPtr = oldRefPtr->importedCmdPtr; - dataPtr = (ImportedCmdData *) refCmdPtr->objClientData; + dataPtr = (ImportedCmdData*)refCmdPtr->objClientData; dataPtr->realCmdPtr = cmdPtr; oldRefPtr = oldRefPtr->nextPtr; } @@ -1957,7 +1958,7 @@ Tcl_CreateObjCommand( cmdPtr->importRefPtr = oldRefPtr; while (oldRefPtr != NULL) { refCmdPtr = oldRefPtr->importedCmdPtr; - dataPtr = (ImportedCmdData *) refCmdPtr->objClientData; + dataPtr = (ImportedCmdData*)refCmdPtr->objClientData; dataPtr->realCmdPtr = cmdPtr; oldRefPtr = oldRefPtr->nextPtr; } @@ -3024,7 +3025,7 @@ OldMathFuncProc( Tcl_Obj *CONST *objv) /* Parameter vector */ { Tcl_Obj *valuePtr; - OldMathFuncData *dataPtr = clientData; + OldMathFuncData* dataPtr = (OldMathFuncData*) clientData; Tcl_Value args[MAX_MATH_ARGS]; Tcl_Value funcResult; int result; @@ -3211,9 +3212,9 @@ static void OldMathFuncDeleteProc( ClientData clientData) { - OldMathFuncData *dataPtr = clientData; - ckfree((void *) dataPtr->argTypes); - ckfree((void *) dataPtr); + OldMathFuncData *dataPtr = (OldMathFuncData *) clientData; + Tcl_Free((void *) dataPtr->argTypes); + Tcl_Free((void *) dataPtr); } /* @@ -3326,7 +3327,7 @@ Tcl_ListMathFuncs( Tcl_Interp *interp, CONST char *pattern) { - Namespace *globalNsPtr = (Namespace *) Tcl_GetGlobalNamespace(interp); + Namespace *globalNsPtr = (Namespace*) Tcl_GetGlobalNamespace(interp); Namespace *nsPtr; Namespace *dummy1NsPtr; Namespace *dummy2NsPtr; @@ -3522,8 +3523,8 @@ TclEvalObjvInternal( * registered unknown command handler * for the current namespace * (TIP 181). */ - int newObjc, handlerObjc; - Tcl_Obj **handlerObjv; + int newObjc, handlerObjc; + Tcl_Obj **handlerObjv; currNsPtr = varFramePtr->nsPtr; if ((currNsPtr == NULL) || (currNsPtr->unknownHandlerPtr == NULL)) { @@ -3538,10 +3539,10 @@ TclEvalObjvInternal( * handler. If so, reset it to "::unknown". */ - if (currNsPtr->unknownHandlerPtr == NULL) { - currNsPtr->unknownHandlerPtr = Tcl_NewStringObj("::unknown", -1); - Tcl_IncrRefCount(currNsPtr->unknownHandlerPtr); - } + if (currNsPtr->unknownHandlerPtr == NULL) { + currNsPtr->unknownHandlerPtr = Tcl_NewStringObj("::unknown", -1); + Tcl_IncrRefCount(currNsPtr->unknownHandlerPtr); + } /* * Get the list of words for the unknown handler and allocate enough @@ -3549,23 +3550,23 @@ TclEvalObjvInternal( * invokation itself. */ - Tcl_ListObjGetElements(NULL, currNsPtr->unknownHandlerPtr, + Tcl_ListObjGetElements(NULL, currNsPtr->unknownHandlerPtr, &handlerObjc, &handlerObjv); - newObjc = objc + handlerObjc; + newObjc = objc + handlerObjc; newObjv = (Tcl_Obj **) TclStackAlloc(interp, (int) sizeof(Tcl_Obj *) * newObjc); - /* + /* * Copy command prefix from unknown handler and add on the real * command's full argument list. Note that we only use memcpy() once * because we have to increment the reference count of all the handler * arguments anyway. */ - for (i = 0; i < handlerObjc; ++i) { - newObjv[i] = handlerObjv[i]; + for (i = 0; i < handlerObjc; ++i) { + newObjv[i] = handlerObjv[i]; Tcl_IncrRefCount(newObjv[i]); - } + } memcpy(newObjv+handlerObjc, objv, sizeof(Tcl_Obj *) * (unsigned)objc); /* @@ -3592,9 +3593,9 @@ TclEvalObjvInternal( * call. */ - for (i = 0; i < handlerObjc; ++i) { + for (i = 0; i < handlerObjc; ++i) { Tcl_DecrRefCount(newObjv[i]); - } + } TclStackFree(interp); if (savedNsPtr) { varFramePtr->nsPtr = savedNsPtr; @@ -3745,7 +3746,7 @@ Tcl_EvalObjv( * TCL_EVAL_GLOBAL and TCL_EVAL_INVOKE are * currently supported. */ { - Interp *iPtr = (Interp *) interp; + Interp *iPtr = (Interp *)interp; Trace *tracePtr; Tcl_DString cmdBuf; char *cmdString = ""; /* A command string is only necessary for @@ -3931,51 +3932,55 @@ Tcl_EvalEx( * evaluation of the script. Only * TCL_EVAL_GLOBAL is currently supported. */ { - return TclEvalEx(interp, script, numBytes, flags, 1); + return TclEvalEx (interp, script, numBytes, flags, 1); } int -TclEvalEx( - Tcl_Interp *interp, /* Interpreter in which to evaluate the - * script. Also used for error reporting. */ - CONST char *script, /* First character of script to evaluate. */ - int numBytes, /* Number of bytes in script. If < 0, the +TclEvalEx(interp, script, numBytes, flags, line) + Tcl_Interp *interp; /* Interpreter in which to evaluate the + * script. Also used for error reporting. */ + CONST char *script; /* First character of script to evaluate. */ + int numBytes; /* Number of bytes in script. If < 0, the * script consists of all bytes up to the - * first NUL character. */ - int flags, /* Collection of OR-ed bits that control the - * evaluation of the script. Only - * TCL_EVAL_GLOBAL is currently supported. */ - int line) /* The line the script starts on. */ + * first null character. */ + int flags; /* Collection of OR-ed bits that control + * the evaluation of the script. Only + * TCL_EVAL_GLOBAL is currently + * supported. */ + int line; /* The line the script starts on. */ { Interp *iPtr = (Interp *) interp; CONST char *p, *next; Tcl_Parse parse; #define NUM_STATIC_OBJS 20 Tcl_Obj *staticObjArray[NUM_STATIC_OBJS], **objv, **objvSpace; - int expandStatic[NUM_STATIC_OBJS], *expand; - int linesStatic[NUM_STATIC_OBJS], *lines, *lineSpace; + int expandStatic [NUM_STATIC_OBJS], *expand; + int linesStatic [NUM_STATIC_OBJS], *lines, *lineSpace; Tcl_Token *tokenPtr; int code = TCL_OK; int i, commandLength, bytesLeft, expandRequested; CallFrame *savedVarFramePtr;/* Saves old copy of iPtr->varFramePtr in case * TCL_EVAL_GLOBAL was set. */ int allowExceptions = (iPtr->evalFlags & TCL_ALLOW_EXCEPTIONS); - int gotParse = 0, objectsUsed = 0; - /* These variables keep track of how much - * state has been allocated while evaluating - * the script, so that it can be freed - * properly if an error occurs. */ - CmdFrame eeFrame; /* TIP #280 Structures for tracking of command - * locations. */ + + /* TIP #280. The array 'expand' has become tri-valued. + * 0 = no expansion + * 1 = expansion, value is dynamically constructed ($var, [cmd]). + * 2 = NEW expansion of a literal value. Here the system determines + * the actual line numbers within the literal. + */ /* - * TIP #280. The array 'expand' has become tri-valued. - * 0 = No expansion - * 1 = Expansion, value is dynamically constructed ($var, [cmd]). - * 2 = NEW Expansion of a literal value. Here the system determines the - * actual line numbers within the literal. + * The variables below keep track of how much state has been allocated + * while evaluating the script, so that it can be freed properly if an + * error occurs. */ + int gotParse = 0, objectsUsed = 0; + + /* TIP #280 Structures for tracking of command locations. */ + CmdFrame eeFrame; + if (numBytes < 0) { numBytes = strlen(script); } @@ -3991,14 +3996,13 @@ TclEvalEx( * the script and then executes it. */ - objv = objvSpace = staticObjArray; - lines = lineSpace = linesStatic; - expand = expandStatic; - p = script; + objv = objvSpace = staticObjArray; + lines = lineSpace = linesStatic; + expand = expandStatic; + p = script; bytesLeft = numBytes; - /* - * TIP #280 Initialize tracking. Do not push on the frame stack yet. + /* TIP #280 Initialize tracking. Do not push on the frame stack yet. * * We may cont. counting based on a specific context (CTX), or open a new * context, either for a sourced script, or 'eval'. For sourced files we @@ -4009,54 +4013,47 @@ TclEvalEx( */ if (iPtr->evalFlags & TCL_EVAL_CTX) { - /* - * Path information comes out of the context. - */ + /* Path information comes out of the context. */ - eeFrame.type = TCL_LOCATION_SOURCE; + eeFrame.type = TCL_LOCATION_SOURCE; eeFrame.data.eval.path = iPtr->invokeCmdFramePtr->data.eval.path; - Tcl_IncrRefCount(eeFrame.data.eval.path); + Tcl_IncrRefCount (eeFrame.data.eval.path); } else if (iPtr->evalFlags & TCL_EVAL_FILE) { - /* - * Set up for a sourced file. - */ + /* Set up for a sourced file */ - eeFrame.type = TCL_LOCATION_SOURCE; + eeFrame.type = TCL_LOCATION_SOURCE; if (iPtr->scriptFile) { - /* - * Normalization here, to have the correct pwd. Should have + /* Normalization here, to have the correct pwd. Should have * negligible impact on performance, as the norm should have been * done already by the 'source' invoking us, and it caches the * result. */ - Tcl_Obj *norm = Tcl_FSGetNormalizedPath(interp, iPtr->scriptFile); + Tcl_Obj* norm = Tcl_FSGetNormalizedPath (interp, iPtr->scriptFile); if (!norm) { - /* - * Error message in the interp result. - */ + /* Error message in the interp result */ return TCL_ERROR; } eeFrame.data.eval.path = norm; - Tcl_IncrRefCount(eeFrame.data.eval.path); + Tcl_IncrRefCount (eeFrame.data.eval.path); } else { - eeFrame.data.eval.path = Tcl_NewStringObj("", -1); + eeFrame.data.eval.path = Tcl_NewStringObj ("",-1); } } else { - /* - * Set up for plain eval. - */ + /* Set up for plain eval */ - eeFrame.type = TCL_LOCATION_EVAL; + eeFrame.type = TCL_LOCATION_EVAL; eeFrame.data.eval.path = NULL; } - eeFrame.level = (iPtr->cmdFramePtr==NULL? 1 : iPtr->cmdFramePtr->level+1); - eeFrame.framePtr = iPtr->framePtr; - eeFrame.nextPtr = iPtr->cmdFramePtr; - eeFrame.nline = 0; - eeFrame.line = NULL; + eeFrame.level = (iPtr->cmdFramePtr == NULL + ? 1 + : iPtr->cmdFramePtr->level + 1); + eeFrame.framePtr = iPtr->framePtr; + eeFrame.nextPtr = iPtr->cmdFramePtr; + eeFrame.nline = 0; + eeFrame.line = NULL; iPtr->evalFlags = 0; do { @@ -4071,7 +4068,7 @@ TclEvalEx( * block. */ - TclAdvanceLines(&line, p, parse.commandStart); + TclAdvanceLines (&line, p, parse.commandStart); gotParse = 1; if (parse.numWords > 0) { @@ -4080,8 +4077,8 @@ TclEvalEx( * command. */ - int wordLine = line; - CONST char *wordStart = parse.commandStart; + int wordLine = line; + CONST char* wordStart = parse.commandStart; /* * Generate an array of objects for the words of the command. @@ -4091,36 +4088,37 @@ TclEvalEx( if (parse.numWords > NUM_STATIC_OBJS) { expand = (int *) - ckalloc((unsigned) parse.numWords * sizeof(int)); + ckalloc((unsigned) (parse.numWords * sizeof(int))); objvSpace = (Tcl_Obj **) - ckalloc((unsigned) parse.numWords * sizeof(Tcl_Obj *)); - lineSpace = (int *) - ckalloc((unsigned) parse.numWords * sizeof(int)); + ckalloc((unsigned) (parse.numWords * sizeof(Tcl_Obj *))); + lineSpace = (int*) + ckalloc((unsigned) (parse.numWords * sizeof(int))); } expandRequested = 0; - objv = objvSpace; + objv = objvSpace; lines = lineSpace; for (objectsUsed = 0, tokenPtr = parse.tokenPtr; objectsUsed < parse.numWords; objectsUsed++, tokenPtr += (tokenPtr->numComponents + 1)) { - /* - * TIP #280. Track lines to current word. Save the information - * on a per-word basis, signaling dynamic words as needed. - * Make the information available to the recursively called - * evaluator as well, including the type of context (source - * vs. eval). + + /* + * TIP #280. Track lines to current word. Save the + * information on a per-word basis, signaling dynamic words as + * needed. Make the information available to the recursively + * called evaluator as well, including the type of context + * (source vs. eval). */ - TclAdvanceLines(&wordLine, wordStart, tokenPtr->start); + TclAdvanceLines (&wordLine, wordStart, tokenPtr->start); wordStart = tokenPtr->start; - lines[objectsUsed] = - (TclWordKnownAtCompileTime(tokenPtr, NULL) - || TclWordSimpleExpansion(tokenPtr)) - ? wordLine : -1; + lines [objectsUsed] = ((TclWordKnownAtCompileTime (tokenPtr, NULL) || + TclWordSimpleExpansion (tokenPtr)) + ? wordLine + : -1); - if (eeFrame.type == TCL_LOCATION_SOURCE) { + if (eeFrame.type == TCL_LOCATION_SOURCE) { iPtr->evalFlags |= TCL_EVAL_FILE; } @@ -4137,8 +4135,8 @@ TclEvalEx( if (tokenPtr->type == TCL_TOKEN_EXPAND_WORD) { int numElements; - code = Tcl_ListObjLength(interp, objv[objectsUsed], - &numElements); + code = Tcl_ListObjLength(interp, + objv[objectsUsed], &numElements); if (code == TCL_ERROR) { /* * Attempt to expand a non-list. @@ -4150,8 +4148,9 @@ TclEvalEx( goto error; } expandRequested = 1; - expand[objectsUsed] = - TclWordSimpleExpansion(tokenPtr) ? 2 : 1; + expand[objectsUsed] = (TclWordSimpleExpansion (tokenPtr) + ? 2 + : 1); objectsNeeded += (numElements ? numElements : 1); } else { @@ -4164,26 +4163,25 @@ TclEvalEx( * Some word expansion was requested. Check for objv resize. */ - Tcl_Obj **copy = objvSpace; - int *lcopy = lineSpace; + Tcl_Obj **copy = objvSpace; + int *lcopy = lineSpace; int wordIdx = parse.numWords; - int objIdx = objectsNeeded - 1; + int objIdx = objectsNeeded - 1; if ((parse.numWords > NUM_STATIC_OBJS) || (objectsNeeded > NUM_STATIC_OBJS)) { - objv = objvSpace = (Tcl_Obj **) - ckalloc((unsigned)objectsNeeded*sizeof(Tcl_Obj*)); - lines = lineSpace = (int*) - ckalloc((unsigned) objectsNeeded * sizeof(int)); + objv = objvSpace = (Tcl_Obj **) ckalloc((unsigned) + (objectsNeeded * sizeof(Tcl_Obj *))); + lines = lineSpace = (int*) ckalloc((unsigned) + (objectsNeeded * sizeof(int))); } objectsUsed = 0; while (wordIdx--) { if (expand[wordIdx] == 2) { - /* - * TIP #280. The expansion is for a simple literal. - * Not only crack the list into its elements, - * determine the line numbers within it as well. + /* TIP #280. The expansion is for a simple literal. Not only + * crack the list into its elements, determine the + * line numbers within it as well. * * The qualification of 'simple' ensures that the word * does not contain backslash-subst, no way to get @@ -4192,36 +4190,40 @@ TclEvalEx( int numElements; Tcl_Obj **elements, *temp = copy[wordIdx]; - int *eline; + int* eline; - TclListObjGetElements(temp, numElements, elements); - eline = (int *) ckalloc(numElements * sizeof(int)); - TclListLines(TclGetString(temp),lcopy[wordIdx], - numElements, eline); + Tcl_ListObjGetElements(NULL, temp, + &numElements, &elements); + + eline = (int*) ckalloc (numElements * sizeof(int)); + TclListLines (TclGetString(temp),lcopy[wordIdx], + numElements, eline); objectsUsed += numElements; while (numElements--) { - lines[objIdx] = eline[numElements]; - objv[objIdx--] = elements[numElements]; + lines[objIdx] = eline [numElements]; + objv [objIdx--] = elements[numElements]; Tcl_IncrRefCount(elements[numElements]); } Tcl_DecrRefCount(temp); - ckfree((char *) eline); + ckfree((char*) eline); + } else if (expand[wordIdx]) { int numElements; Tcl_Obj **elements, *temp = copy[wordIdx]; - TclListObjGetElements(temp, numElements, elements); + Tcl_ListObjGetElements(NULL, temp, + &numElements, &elements); objectsUsed += numElements; while (numElements--) { - lines[objIdx] = -1; + lines[objIdx] = -1; objv [objIdx--] = elements[numElements]; Tcl_IncrRefCount(elements[numElements]); } Tcl_DecrRefCount(temp); } else { - lines[objIdx] = lcopy[wordIdx]; - objv[objIdx--] = copy[wordIdx]; + lines[objIdx] = lcopy[wordIdx]; + objv [objIdx--] = copy [wordIdx]; objectsUsed++; } } @@ -4249,11 +4251,11 @@ TclEvalEx( eeFrame.cmd.str.len = parse.commandSize; if (parse.term == parse.commandStart + parse.commandSize - 1) { - eeFrame.cmd.str.len--; + eeFrame.cmd.str.len --; } eeFrame.nline = objectsUsed; - eeFrame.line = lines; + eeFrame.line = lines; iPtr->cmdFramePtr = &eeFrame; iPtr->numLevels++; @@ -4262,7 +4264,7 @@ TclEvalEx( iPtr->numLevels--; iPtr->cmdFramePtr = iPtr->cmdFramePtr->nextPtr; - eeFrame.line = NULL; + eeFrame.line = NULL; eeFrame.nline = 0; if (code != TCL_OK) { @@ -4300,7 +4302,7 @@ TclEvalEx( next = parse.commandStart + parse.commandSize; bytesLeft -= next - p; p = next; - TclAdvanceLines(&line, parse.commandStart, p); + TclAdvanceLines (&line, parse.commandStart, p); Tcl_FreeParse(&parse); gotParse = 0; } while (bytesLeft > 0); @@ -4349,23 +4351,20 @@ TclEvalEx( } if (objvSpace != staticObjArray) { ckfree((char *) objvSpace); - ckfree((char *) lineSpace); + ckfree ((char*) lineSpace); } if (expand != expandStatic) { ckfree((char *) expand); } iPtr->varFramePtr = savedVarFramePtr; - cleanup_return: - /* - * TIP #280. Release the local CmdFrame, and its contents. - */ + /* TIP #280. Release the local CmdFrame, and its contents. */ if (eeFrame.line != NULL) { - ckfree((char *) eeFrame.line); + ckfree ((char*) eeFrame.line); } if (eeFrame.type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(eeFrame.data.eval.path); + Tcl_DecrRefCount (eeFrame.data.eval.path); } return code; } @@ -4375,8 +4374,8 @@ TclEvalEx( * * TclAdvanceLines -- * - * This function is a helper which counts the number of lines in a block - * of text and advances an external counter. + * This procedure is a helper which counts the number of lines + * in a block of text and advances an external counter. * * Results: * None. @@ -4389,16 +4388,15 @@ TclEvalEx( */ void -TclAdvanceLines( - int *line, - CONST char *start, - CONST char *end) +TclAdvanceLines (line,start,end) + int* line; + CONST char* start; + CONST char* end; { - CONST char *p; - + CONST char* p; for (p = start; p < end; p++) { - if (*p == '\n') { - (*line)++; + if (*p == '\n') { + (*line) ++; } } } @@ -4511,20 +4509,23 @@ Tcl_EvalObjEx( * evaluation of the script. Supported values * are TCL_EVAL_GLOBAL and TCL_EVAL_DIRECT. */ { - return TclEvalObjEx(interp, objPtr, flags, NULL, 0); + return TclEvalObjEx (interp, objPtr, flags, NULL, 0); } int -TclEvalObjEx( - Tcl_Interp *interp, /* Token for command interpreter (returned by - * a previous call to Tcl_CreateInterp). */ - register Tcl_Obj *objPtr, /* Pointer to object containing commands to - * execute. */ - int flags, /* Collection of OR-ed bits that control the - * evaluation of the script. Supported values - * are TCL_EVAL_GLOBAL and TCL_EVAL_DIRECT. */ - CONST CmdFrame *invoker, /* Frame of the command doing the eval. */ - int word) /* Index of the word which is in objPtr. */ +TclEvalObjEx(interp, objPtr, flags, invoker, word) + Tcl_Interp *interp; /* Token for command interpreter + * (returned by a previous call to + * Tcl_CreateInterp). */ + register Tcl_Obj *objPtr; /* Pointer to object containing + * commands to execute. */ + int flags; /* Collection of OR-ed bits that + * control the evaluation of the + * script. Supported values are + * TCL_EVAL_GLOBAL and + * TCL_EVAL_DIRECT. */ + CONST CmdFrame* invoker; /* Frame of the command doing the eval */ + int word; /* Index of the word which is in objPtr */ { register Interp *iPtr = (Interp *) interp; char *script; @@ -4561,27 +4562,27 @@ TclEvalObjEx( if (objPtr->bytes == NULL || /* ...without a string rep */ listRepPtr->canonicalFlag) {/* ...or that is canonical */ - /* - * TIP #280 Structures for tracking lines. As we know that - * this is dynamic execution we ignore the invoker, even if - * known. - */ - int line, i; - char *w; + /* TIP #280 Structures for tracking lines. + * As we know that this is dynamic execution we ignore the + * invoker, even if known. + */ + int line, i; + char* w; CmdFrame eoFrame; - Tcl_Obj **elements = &listRepPtr->elements; + Tcl_Obj **elements = &listRepPtr->elements; - eoFrame.type = TCL_LOCATION_EVAL_LIST; - eoFrame.level = (iPtr->cmdFramePtr == NULL? - 1 : iPtr->cmdFramePtr->level + 1); + eoFrame.type = TCL_LOCATION_EVAL_LIST; + eoFrame.level = (iPtr->cmdFramePtr == NULL ? + 1 : + iPtr->cmdFramePtr->level + 1); eoFrame.framePtr = iPtr->framePtr; - eoFrame.nextPtr = iPtr->cmdFramePtr; - eoFrame.nline = listRepPtr->elemCount; - eoFrame.line = (int *) ckalloc(eoFrame.nline * sizeof(int)); + eoFrame.nextPtr = iPtr->cmdFramePtr; + eoFrame.nline = listRepPtr->elemCount; + eoFrame.line = (int*) ckalloc (eoFrame.nline * sizeof (int)); eoFrame.cmd.listPtr = objPtr; - Tcl_IncrRefCount(eoFrame.cmd.listPtr); + Tcl_IncrRefCount (eoFrame.cmd.listPtr); eoFrame.data.eval.path = NULL; /* @@ -4589,8 +4590,8 @@ TclEvalObjEx( * avoid a segfault if objPtr loses its List internal rep [Bug * 1119369] * - * TIP #280 Computes all the line numbers for the words in the - * command. + * TIP #280 Computes all the line numbers for the + * words in the command. */ listRepPtr->refCount++; @@ -4598,8 +4599,8 @@ TclEvalObjEx( line = 1; for (i=0; i < eoFrame.nline; i++) { eoFrame.line [i] = line; - w = Tcl_GetString(elements[i]); - TclAdvanceLines(&line, w, w + strlen(w)); + w = Tcl_GetString (elements[i]); + TclAdvanceLines (&line, w, w + strlen(w)); } iPtr->cmdFramePtr = &eoFrame; @@ -4607,7 +4608,7 @@ TclEvalObjEx( &listRepPtr->elements, flags); iPtr->cmdFramePtr = iPtr->cmdFramePtr->nextPtr; - Tcl_DecrRefCount(eoFrame.cmd.listPtr); + Tcl_DecrRefCount (eoFrame.cmd.listPtr); /* * If we are the last users of listRepPtr, free it. @@ -4623,8 +4624,8 @@ TclEvalObjEx( ckfree((char *) listRepPtr); } - ckfree((char *) eoFrame.line); - eoFrame.line = NULL; + ckfree ((char*) eoFrame.line); + eoFrame.line = NULL; eoFrame.nline = 0; goto done; @@ -4642,15 +4643,11 @@ TclEvalObjEx( */ if (invoker == NULL) { - /* - * No context, force opening of our own. - */ - + /* No context, force opening of our own */ script = Tcl_GetStringFromObj(objPtr, &numSrcBytes); result = Tcl_EvalEx(interp, script, numSrcBytes, flags); } else { - /* - * We have an invoker, describing the command asking for the + /* We have an invoker, describing the command asking for the * evaluation of a subordinate script. This script may originate * in a literal word, or from a variable, etc. Using the line * array we now check if we have good line information for the @@ -4663,57 +4660,43 @@ TclEvalObjEx( */ if ((invoker->nline <= word) || (invoker->line[word] < 0)) { - /* - * Dynamic script, or dynamic context, force our own - * context. - */ + /* Dynamic script, or dynamic context, force our own + * context */ script = Tcl_GetStringFromObj(objPtr, &numSrcBytes); - result = Tcl_EvalEx(interp, script, numSrcBytes, flags); + result = Tcl_EvalEx(interp, script, numSrcBytes, flags); } else { - /* - * Try to get an absolute context for the evaluation. + /* Try to get an absolute context for the evaluation */ CmdFrame ctx = *invoker; - int pc = 0; + int pc = 0; if (invoker->type == TCL_LOCATION_BC) { - /* - * Note: Type BC => ctx.data.eval.path is not used. - * ctx.data.tebc.codePtr is used instead. + /* Note: Type BC => ctx.data.eval.path is not used. + * ctx.data.tebc.codePtr is used instead. */ - - TclGetSrcInfoForPc(&ctx); + TclGetSrcInfoForPc (&ctx); pc = 1; } if (ctx.type == TCL_LOCATION_SOURCE) { - /* - * Absolute context to reuse. - */ + /* Absolute context to reuse. */ iPtr->invokeCmdFramePtr = &ctx; iPtr->evalFlags |= TCL_EVAL_CTX; script = Tcl_GetStringFromObj(objPtr, &numSrcBytes); - result = TclEvalEx(interp, script, numSrcBytes, flags, - ctx.line[word]); + result = TclEvalEx(interp, script, numSrcBytes, flags, ctx.line [word]); if (pc) { - /* - * Death of SrcInfo reference. - */ - - Tcl_DecrRefCount(ctx.data.eval.path); + /* Death of SrcInfo reference */ + Tcl_DecrRefCount (ctx.data.eval.path); } } else { - /* - * Dynamic context or script, easier to make our own as - * well. - */ - + /* Dynamic context or script, easier to make our own as + * well */ script = Tcl_GetStringFromObj(objPtr, &numSrcBytes); result = Tcl_EvalEx(interp, script, numSrcBytes, flags); } @@ -4723,8 +4706,8 @@ TclEvalObjEx( /* * Let the compiler/engine subsystem do the evaluation. * - * TIP #280 The invoker provides us with the context for the script. - * We transfer this to the byte code compiler. + * TIP #280 The invoker provides us with the context for the + * script. We transfer this to the byte code compiler. */ savedVarFramePtr = iPtr->varFramePtr; @@ -5678,28 +5661,27 @@ ExprIsqrtFunc( * represented in a double as an exact * integer */ - /* - * Check syntax. - */ - + /* Check syntax */ if (objc != 2) { MathFuncWrongNumArgs(interp, 2, objc, objv); return TCL_ERROR; } - /* - * Make sure that the arg is a number. - */ - + /* Make sure that the arg is a number */ if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) { return TCL_ERROR; } switch (type) { + case TCL_NUMBER_NAN: + { Tcl_GetDoubleFromObj(interp, objv[1], &d); return TCL_ERROR; + } + case TCL_NUMBER_DOUBLE: + { d = *((CONST double *)ptr); if (d < 0) { goto negarg; @@ -5715,7 +5697,9 @@ ExprIsqrtFunc( } } break; + } case TCL_NUMBER_BIG: + { if (Tcl_GetBignumFromObj(interp, objv[1], &big) != TCL_OK) { return TCL_ERROR; } @@ -5724,7 +5708,10 @@ ExprIsqrtFunc( goto negarg; } break; + } + default: + { if (Tcl_GetWideIntFromObj(interp, objv[1], &w) != TCL_OK) { return TCL_ERROR; } @@ -5742,12 +5729,12 @@ ExprIsqrtFunc( } break; } + } if (exact) { Tcl_SetObjResult(interp, Tcl_NewWideIntObj((Tcl_WideInt) sqrt(d))); } else { mp_int root; - mp_init(&root); mp_sqrt(&big, &root); mp_clear(&big); @@ -5758,7 +5745,7 @@ ExprIsqrtFunc( negarg: Tcl_SetObjResult(interp, - Tcl_NewStringObj("square root of negative argument", -1)); + Tcl_NewStringObj("square root of negative argument", -1)); return TCL_ERROR; } @@ -5791,7 +5778,6 @@ ExprSqrtFunc( if ((d >= 0.0) && TclIsInfinite(d) && (Tcl_GetBignumFromObj(NULL, objv[1], &big) == TCL_OK)) { mp_int root; - mp_init(&root); mp_sqrt(&big, &root); mp_clear(&big); |