diff options
Diffstat (limited to 'generic/tclBasic.c')
-rw-r--r-- | generic/tclBasic.c | 759 |
1 files changed, 23 insertions, 736 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 2a334c4..6dc8d56 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -41,18 +41,6 @@ #endif /* - * The following structure defines the client data for a math function - * registered with Tcl_CreateMathFunc - */ - -typedef struct OldMathFuncData { - Tcl_MathProc *proc; /* Handler function */ - int numArgs; /* Number of args expected */ - Tcl_ValueType *argTypes; /* Types of the args */ - ClientData clientData; /* Client data for the handler function */ -} OldMathFuncData; - -/* * This is the script cancellation struct and hash table. The hash table is * used to keep track of the information necessary to process script * cancellation requests, including the original interp, asynchronous handler @@ -133,8 +121,6 @@ static Tcl_NRPostProc NRCoroutineCallerCallback; static Tcl_NRPostProc NRCoroutineExitCallback; static int NRCommand(ClientData data[], Tcl_Interp *interp, int result); -static Tcl_ObjCmdProc OldMathFuncProc; -static void OldMathFuncDeleteProc(ClientData clientData); static void ProcessUnexpectedResult(Tcl_Interp *interp, int returnCode); static int RewindCoroutine(CoroutineData *corPtr, int result); @@ -207,9 +193,6 @@ static const CmdInfo builtInCmds[] = { {"append", Tcl_AppendObjCmd, TclCompileAppendCmd, NULL, CMD_IS_SAFE}, {"apply", Tcl_ApplyObjCmd, NULL, TclNRApplyObjCmd, CMD_IS_SAFE}, {"break", Tcl_BreakObjCmd, TclCompileBreakCmd, NULL, CMD_IS_SAFE}, -#ifndef EXCLUDE_OBSOLETE_COMMANDS - {"case", Tcl_CaseObjCmd, NULL, NULL, CMD_IS_SAFE}, -#endif {"catch", Tcl_CatchObjCmd, TclCompileCatchCmd, TclNRCatchObjCmd, CMD_IS_SAFE}, {"concat", Tcl_ConcatObjCmd, TclCompileConcatCmd, NULL, CMD_IS_SAFE}, {"continue", Tcl_ContinueObjCmd, TclCompileContinueCmd, NULL, CMD_IS_SAFE}, @@ -516,9 +499,12 @@ Tcl_CreateInterp(void) iPtr = ckalloc(sizeof(Interp)); interp = (Tcl_Interp *) iPtr; - iPtr->result = iPtr->resultSpace; - iPtr->freeProc = NULL; + iPtr->legacyResult = NULL; + /* Special invalid value: Any attempt to free the legacy result + * will cause a crash. */ + iPtr->legacyFreeProc = (void (*) (void))-1; iPtr->errorLine = 0; + iPtr->stubTable = &tclStubs; iPtr->objResultPtr = Tcl_NewObj(); Tcl_IncrRefCount(iPtr->objResultPtr); iPtr->handle = TclHandleCreate(iPtr); @@ -526,8 +512,7 @@ Tcl_CreateInterp(void) iPtr->hiddenCmdTablePtr = NULL; iPtr->interpInfo = NULL; - TCL_CT_ASSERT(sizeof(iPtr->extra) <= sizeof(Tcl_HashTable)); - iPtr->extra.optimizer = TclOptimizeBytecode; + iPtr->optimizer = TclOptimizeBytecode; iPtr->numLevels = 0; iPtr->maxNestingDepth = MAX_NESTING_DEPTH; @@ -576,10 +561,6 @@ Tcl_CreateInterp(void) iPtr->rootFramePtr = NULL; /* Initialise as soon as :: is available */ iPtr->lookupNsPtr = NULL; - iPtr->appendResult = NULL; - iPtr->appendAvl = 0; - iPtr->appendUsed = 0; - Tcl_InitHashTable(&iPtr->packageTable, TCL_STRING_KEYS); iPtr->packageUnknown = NULL; @@ -607,7 +588,6 @@ Tcl_CreateInterp(void) iPtr->emptyObjPtr = Tcl_NewObj(); /* Another empty object. */ Tcl_IncrRefCount(iPtr->emptyObjPtr); - iPtr->resultSpace[0] = 0; iPtr->threadId = Tcl_GetCurrentThread(); /* TIP #378 */ @@ -721,12 +701,6 @@ Tcl_CreateInterp(void) #endif /* TCL_COMPILE_STATS */ /* - * Initialise the stub table pointer. - */ - - iPtr->stubTable = &tclStubs; - - /* * Initialize the ensemble error message rewriting support. */ @@ -1512,7 +1486,6 @@ DeleteInterpProc( */ Tcl_FreeResult(interp); - iPtr->result = NULL; Tcl_DecrRefCount(iPtr->objResultPtr); iPtr->objResultPtr = NULL; Tcl_DecrRefCount(iPtr->ecVar); @@ -1534,10 +1507,6 @@ DeleteInterpProc( if (iPtr->returnOpts) { Tcl_DecrRefCount(iPtr->returnOpts); } - if (iPtr->appendResult != NULL) { - ckfree(iPtr->appendResult); - iPtr->appendResult = NULL; - } TclFreePackageInfo(iPtr); while (iPtr->tracePtr != NULL) { Tcl_DeleteTrace((Tcl_Interp *) iPtr, (Tcl_Trace) iPtr->tracePtr); @@ -2429,7 +2398,7 @@ TclInvokeStringCommand( * in the Command structure. * * Results: - * A standard Tcl string result value. + * A standard Tcl result value. * * Side effects: * Besides those side effects of the called Tcl_ObjCmdProc, @@ -2470,13 +2439,6 @@ TclInvokeObjectCommand( } /* - * Move the interpreter's object result to the string result, then reset - * the object result. - */ - - (void) Tcl_GetStringResult(interp); - - /* * Decrement the ref counts for the argument objects created above, then * free the objv array if malloc'ed storage was used. */ @@ -3409,360 +3371,6 @@ TclCleanupCommand( /* *---------------------------------------------------------------------- * - * Tcl_CreateMathFunc -- - * - * Creates a new math function for expressions in a given interpreter. - * - * Results: - * None. - * - * Side effects: - * The Tcl function defined by "name" is created or redefined. If the - * function already exists then its definition is replaced; this includes - * the builtin functions. Redefining a builtin function forces all - * existing code to be invalidated since that code may be compiled using - * an instruction specific to the replaced function. In addition, - * redefioning a non-builtin function will force existing code to be - * invalidated if the number of arguments has changed. - * - *---------------------------------------------------------------------- - */ - -void -Tcl_CreateMathFunc( - Tcl_Interp *interp, /* Interpreter in which function is to be - * available. */ - const char *name, /* Name of function (e.g. "sin"). */ - int numArgs, /* Nnumber of arguments required by - * function. */ - Tcl_ValueType *argTypes, /* Array of types acceptable for each - * argument. */ - Tcl_MathProc *proc, /* C function that implements the math - * function. */ - ClientData clientData) /* Additional value to pass to the - * function. */ -{ - Tcl_DString bigName; - OldMathFuncData *data = ckalloc(sizeof(OldMathFuncData)); - - data->proc = proc; - data->numArgs = numArgs; - data->argTypes = ckalloc(numArgs * sizeof(Tcl_ValueType)); - memcpy(data->argTypes, argTypes, numArgs * sizeof(Tcl_ValueType)); - data->clientData = clientData; - - Tcl_DStringInit(&bigName); - TclDStringAppendLiteral(&bigName, "::tcl::mathfunc::"); - Tcl_DStringAppend(&bigName, name, -1); - - Tcl_CreateObjCommand(interp, Tcl_DStringValue(&bigName), - OldMathFuncProc, data, OldMathFuncDeleteProc); - Tcl_DStringFree(&bigName); -} - -/* - *---------------------------------------------------------------------- - * - * OldMathFuncProc -- - * - * Dispatch to a math function created with Tcl_CreateMathFunc - * - * Results: - * Returns a standard Tcl result. - * - * Side effects: - * Whatever the math function does. - * - *---------------------------------------------------------------------- - */ - -static int -OldMathFuncProc( - ClientData clientData, /* Ponter to OldMathFuncData describing the - * function being called */ - Tcl_Interp *interp, /* Tcl interpreter */ - int objc, /* Actual parameter count */ - Tcl_Obj *const *objv) /* Parameter vector */ -{ - Tcl_Obj *valuePtr; - OldMathFuncData *dataPtr = clientData; - Tcl_Value funcResult, *args; - int result; - int j, k; - double d; - - /* - * Check argument count. - */ - - if (objc != dataPtr->numArgs + 1) { - MathFuncWrongNumArgs(interp, dataPtr->numArgs+1, objc, objv); - return TCL_ERROR; - } - - /* - * Convert arguments from Tcl_Obj's to Tcl_Value's. - */ - - args = ckalloc(dataPtr->numArgs * sizeof(Tcl_Value)); - for (j = 1, k = 0; j < objc; ++j, ++k) { - /* TODO: Convert to TclGetNumberFromObj? */ - valuePtr = objv[j]; - result = Tcl_GetDoubleFromObj(NULL, valuePtr, &d); -#ifdef ACCEPT_NAN - if ((result != TCL_OK) && (valuePtr->typePtr == &tclDoubleType)) { - d = valuePtr->internalRep.doubleValue; - result = TCL_OK; - } -#endif - if (result != TCL_OK) { - /* - * We have a non-numeric argument. - */ - - Tcl_SetObjResult(interp, Tcl_NewStringObj( - "argument to math function didn't have numeric value", - -1)); - TclCheckBadOctal(interp, Tcl_GetString(valuePtr)); - ckfree(args); - return TCL_ERROR; - } - - /* - * Copy the object's numeric value to the argument record, converting - * it if necessary. - * - * NOTE: no bignum support; use the new mathfunc interface for that. - */ - - args[k].type = dataPtr->argTypes[k]; - switch (args[k].type) { - case TCL_EITHER: - if (Tcl_GetLongFromObj(NULL, valuePtr, &args[k].intValue) - == TCL_OK) { - args[k].type = TCL_INT; - break; - } - if (Tcl_GetWideIntFromObj(interp, valuePtr, &args[k].wideValue) - == TCL_OK) { - args[k].type = TCL_WIDE_INT; - break; - } - args[k].type = TCL_DOUBLE; - /* FALLTHROUGH */ - - case TCL_DOUBLE: - args[k].doubleValue = d; - break; - case TCL_INT: - if (ExprIntFunc(NULL, interp, 2, &objv[j-1]) != TCL_OK) { - ckfree(args); - return TCL_ERROR; - } - valuePtr = Tcl_GetObjResult(interp); - Tcl_GetLongFromObj(NULL, valuePtr, &args[k].intValue); - Tcl_ResetResult(interp); - break; - case TCL_WIDE_INT: - if (ExprWideFunc(NULL, interp, 2, &objv[j-1]) != TCL_OK) { - ckfree(args); - return TCL_ERROR; - } - valuePtr = Tcl_GetObjResult(interp); - Tcl_GetWideIntFromObj(NULL, valuePtr, &args[k].wideValue); - Tcl_ResetResult(interp); - break; - } - } - - /* - * Call the function. - */ - - errno = 0; - result = dataPtr->proc(dataPtr->clientData, interp, args, &funcResult); - ckfree(args); - if (result != TCL_OK) { - return result; - } - - /* - * Return the result of the call. - */ - - if (funcResult.type == TCL_INT) { - TclNewLongObj(valuePtr, funcResult.intValue); - } else if (funcResult.type == TCL_WIDE_INT) { - valuePtr = Tcl_NewWideIntObj(funcResult.wideValue); - } else { - return CheckDoubleResult(interp, funcResult.doubleValue); - } - Tcl_SetObjResult(interp, valuePtr); - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * OldMathFuncDeleteProc -- - * - * Cleans up after deleting a math function registered with - * Tcl_CreateMathFunc - * - * Results: - * None. - * - * Side effects: - * Frees allocated memory. - * - *---------------------------------------------------------------------- - */ - -static void -OldMathFuncDeleteProc( - ClientData clientData) -{ - OldMathFuncData *dataPtr = clientData; - - ckfree(dataPtr->argTypes); - ckfree(dataPtr); -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_GetMathFuncInfo -- - * - * Discovers how a particular math function was created in a given - * interpreter. - * - * Results: - * TCL_OK if it succeeds, TCL_ERROR else (leaving an error message in the - * interpreter result if that happens.) - * - * Side effects: - * If this function succeeds, the variables pointed to by the numArgsPtr - * and argTypePtr arguments will be updated to detail the arguments - * allowed by the function. The variable pointed to by the procPtr - * argument will be set to NULL if the function is a builtin function, - * and will be set to the address of the C function used to implement the - * math function otherwise (in which case the variable pointed to by the - * clientDataPtr argument will also be updated.) - * - *---------------------------------------------------------------------- - */ - -int -Tcl_GetMathFuncInfo( - Tcl_Interp *interp, - const char *name, - int *numArgsPtr, - Tcl_ValueType **argTypesPtr, - Tcl_MathProc **procPtr, - ClientData *clientDataPtr) -{ - Tcl_Obj *cmdNameObj; - Command *cmdPtr; - - /* - * Get the command that implements the math function. - */ - - TclNewLiteralStringObj(cmdNameObj, "tcl::mathfunc::"); - Tcl_AppendToObj(cmdNameObj, name, -1); - Tcl_IncrRefCount(cmdNameObj); - cmdPtr = (Command *) Tcl_GetCommandFromObj(interp, cmdNameObj); - Tcl_DecrRefCount(cmdNameObj); - - /* - * Report unknown functions. - */ - - if (cmdPtr == NULL) { - Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "unknown math function \"%s\"", name)); - Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "MATHFUNC", name, NULL); - *numArgsPtr = -1; - *argTypesPtr = NULL; - *procPtr = NULL; - *clientDataPtr = NULL; - return TCL_ERROR; - } - - /* - * Retrieve function info for user defined functions; return dummy - * information for builtins. - */ - - if (cmdPtr->objProc == &OldMathFuncProc) { - OldMathFuncData *dataPtr = cmdPtr->clientData; - - *procPtr = dataPtr->proc; - *numArgsPtr = dataPtr->numArgs; - *argTypesPtr = dataPtr->argTypes; - *clientDataPtr = dataPtr->clientData; - } else { - *procPtr = NULL; - *numArgsPtr = -1; - *argTypesPtr = NULL; - *procPtr = NULL; - *clientDataPtr = NULL; - } - return TCL_OK; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_ListMathFuncs -- - * - * Produces a list of all the math functions defined in a given - * interpreter. - * - * Results: - * A pointer to a Tcl_Obj structure with a reference count of zero, or - * NULL in the case of an error (in which case a suitable error message - * will be left in the interpreter result.) - * - * Side effects: - * None. - * - *---------------------------------------------------------------------- - */ - -Tcl_Obj * -Tcl_ListMathFuncs( - Tcl_Interp *interp, - const char *pattern) -{ - Tcl_Obj *script = Tcl_NewStringObj("::info functions ", -1); - Tcl_Obj *result; - Tcl_InterpState state; - - if (pattern) { - Tcl_Obj *patternObj = Tcl_NewStringObj(pattern, -1); - Tcl_Obj *arg = Tcl_NewListObj(1, &patternObj); - - Tcl_AppendObjToObj(script, arg); - Tcl_DecrRefCount(arg); /* Should tear down patternObj too */ - } - - state = Tcl_SaveInterpState(interp, TCL_OK); - Tcl_IncrRefCount(script); - if (TCL_OK == Tcl_EvalObjEx(interp, script, 0)) { - result = Tcl_DuplicateObj(Tcl_GetObjResult(interp)); - } else { - result = Tcl_NewObj(); - } - Tcl_DecrRefCount(script); - Tcl_RestoreInterpState(interp, state); - - return result; -} - -/* - *---------------------------------------------------------------------- - * * TclInterpReady -- * * Check if an interpreter is ready to eval commands or scripts, i.e., if @@ -3773,7 +3381,7 @@ Tcl_ListMathFuncs( * otherwise. * * Side effects: - * The interpreters object and string results are cleared. + * The interpreter's result is cleared. * *---------------------------------------------------------------------- */ @@ -3785,8 +3393,8 @@ TclInterpReady( register Interp *iPtr = (Interp *) interp; /* - * Reset both the interpreter's string and object results and clear out - * any previous error information. + * Reset the interpreter's result and clear out any previous error + * information. */ Tcl_ResetResult(interp); @@ -4365,24 +3973,9 @@ TclNRRunCallbacks( /* All callbacks down to rootPtr not inclusive * are to be run. */ { - Interp *iPtr = (Interp *) interp; NRE_callback *callbackPtr; Tcl_NRPostProc *procPtr; - /* - * If the interpreter has a non-empty string result, the result object is - * either empty or stale because some function set interp->result - * directly. If so, move the string result to the result object, then - * reset the string result. - * - * This only needs to be done for the first item in the list: all other - * are for NR function calls, and those are Tcl_Obj based. - */ - - if (*(iPtr->result) != 0) { - (void) Tcl_GetObjResult(interp); - } - while (TOP_CB(interp) != rootPtr) { callbackPtr = TOP_CB(interp); procPtr = callbackPtr->procPtr; @@ -4843,54 +4436,6 @@ Tcl_EvalTokensStandard( /* *---------------------------------------------------------------------- * - * Tcl_EvalTokens -- - * - * Given an array of tokens parsed from a Tcl command (e.g., the tokens - * that make up a word or the index for an array variable) this function - * evaluates the tokens and concatenates their values to form a single - * result value. - * - * Results: - * The return value is a pointer to a newly allocated Tcl_Obj containing - * the value of the array of tokens. The reference count of the returned - * object has been incremented. If an error occurs in evaluating the - * tokens then a NULL value is returned and an error message is left in - * interp's result. - * - * Side effects: - * A new object is allocated to hold the result. - * - *---------------------------------------------------------------------- - * - * This uses a non-standard return convention; its use is now deprecated. It - * is a wrapper for the new function Tcl_EvalTokensStandard, and is not used - * in the core any longer. It is only kept for backward compatibility. - */ - -Tcl_Obj * -Tcl_EvalTokens( - Tcl_Interp *interp, /* Interpreter in which to lookup variables, - * execute nested commands, and report - * errors. */ - Tcl_Token *tokenPtr, /* Pointer to first in an array of tokens to - * evaluate and concatenate. */ - int count) /* Number of tokens to consider at tokenPtr. - * Must be at least 1. */ -{ - Tcl_Obj *resPtr; - - if (Tcl_EvalTokensStandard(interp, tokenPtr, count) != TCL_OK) { - return NULL; - } - resPtr = Tcl_GetObjResult(interp); - Tcl_IncrRefCount(resPtr); - Tcl_ResetResult(interp); - return resPtr; -} - -/* - *---------------------------------------------------------------------- - * * Tcl_EvalEx, TclEvalEx -- * * This function evaluates a Tcl script without using the compiler or @@ -5824,81 +5369,6 @@ TclArgumentGet( /* *---------------------------------------------------------------------- * - * Tcl_Eval -- - * - * Execute a Tcl command in a string. This function executes the script - * directly, rather than compiling it to bytecodes. Before the arrival of - * the bytecode compiler in Tcl 8.0 Tcl_Eval was the main function used - * for executing Tcl commands, but nowadays it isn't used much. - * - * Results: - * The return value is one of the return codes defined in tcl.h (such as - * TCL_OK), and interp's result contains a value to supplement the return - * code. The value of the result will persist only until the next call to - * Tcl_Eval or Tcl_EvalObj: you must copy it or lose it! - * - * Side effects: - * Can be almost arbitrary, depending on the commands in the script. - * - *---------------------------------------------------------------------- - */ - -#undef Tcl_Eval -int -Tcl_Eval( - Tcl_Interp *interp, /* Token for command interpreter (returned by - * previous call to Tcl_CreateInterp). */ - const char *script) /* Pointer to TCL command to execute. */ -{ - int code = Tcl_EvalEx(interp, script, -1, 0); - - /* - * For backwards compatibility with old C code that predates the object - * system in Tcl 8.0, we have to mirror the object result back into the - * string result (some callers may expect it there). - */ - - (void) Tcl_GetStringResult(interp); - return code; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_EvalObj, Tcl_GlobalEvalObj -- - * - * These functions are deprecated but we keep them around for backwards - * compatibility reasons. - * - * Results: - * See the functions they call. - * - * Side effects: - * See the functions they call. - * - *---------------------------------------------------------------------- - */ - -#undef Tcl_EvalObj -int -Tcl_EvalObj( - Tcl_Interp *interp, - Tcl_Obj *objPtr) -{ - return Tcl_EvalObjEx(interp, objPtr, 0); -} -#undef Tcl_GlobalEvalObj -int -Tcl_GlobalEvalObj( - Tcl_Interp *interp, - Tcl_Obj *objPtr) -{ - return Tcl_EvalObjEx(interp, objPtr, TCL_EVAL_GLOBAL); -} - -/* - *---------------------------------------------------------------------- - * * Tcl_EvalObjEx, TclEvalObjEx -- * * Execute Tcl commands stored in a Tcl object. These commands are @@ -6281,9 +5751,6 @@ Tcl_ExprLong( Tcl_IncrRefCount(exprPtr); result = Tcl_ExprLongObj(interp, exprPtr, ptr); Tcl_DecrRefCount(exprPtr); - if (result != TCL_OK) { - (void) Tcl_GetStringResult(interp); - } } return result; } @@ -6310,9 +5777,6 @@ Tcl_ExprDouble( result = Tcl_ExprDoubleObj(interp, exprPtr, ptr); Tcl_DecrRefCount(exprPtr); /* Discard the expression object. */ - if (result != TCL_OK) { - (void) Tcl_GetStringResult(interp); - } } return result; } @@ -6338,14 +5802,6 @@ Tcl_ExprBoolean( Tcl_IncrRefCount(exprPtr); result = Tcl_ExprBooleanObj(interp, exprPtr, ptr); Tcl_DecrRefCount(exprPtr); - if (result != TCL_OK) { - /* - * Move the interpreter's object result to the string result, then - * reset the object result. - */ - - (void) Tcl_GetStringResult(interp); - } return result; } } @@ -6664,52 +6120,12 @@ Tcl_ExprString( Tcl_DecrRefCount(resultPtr); } } - - /* - * Force the string rep of the interp result. - */ - - (void) Tcl_GetStringResult(interp); return code; } /* *---------------------------------------------------------------------- * - * Tcl_AppendObjToErrorInfo -- - * - * Add a Tcl_Obj value to the errorInfo field that describes the current - * error. - * - * Results: - * None. - * - * Side effects: - * The value of the Tcl_obj is appended to the errorInfo field. If we are - * just starting to log an error, errorInfo is initialized from the error - * message in the interpreter's result. - * - *---------------------------------------------------------------------- - */ - -#undef Tcl_AddObjErrorInfo -void -Tcl_AppendObjToErrorInfo( - Tcl_Interp *interp, /* Interpreter to which error information - * pertains. */ - Tcl_Obj *objPtr) /* Message to record. */ -{ - int length; - const char *message = TclGetStringFromObj(objPtr, &length); - - Tcl_IncrRefCount(objPtr); - Tcl_AddObjErrorInfo(interp, message, length); - Tcl_DecrRefCount(objPtr); -} - -/* - *---------------------------------------------------------------------- - * * Tcl_AddErrorInfo -- * * Add information to the errorInfo field that describes the current @@ -6733,24 +6149,22 @@ Tcl_AddErrorInfo( * pertains. */ const char *message) /* Message to record. */ { - Tcl_AddObjErrorInfo(interp, message, -1); + Tcl_AppendObjToErrorInfo((interp), Tcl_NewStringObj((message), -1)); } /* *---------------------------------------------------------------------- * - * Tcl_AddObjErrorInfo -- + * Tcl_AppendObjToErrorInfo -- * - * Add information to the errorInfo field that describes the current - * error. This routine differs from Tcl_AddErrorInfo by taking a byte - * pointer and length. + * Add a Tcl_Obj value to the errorInfo field that describes the current + * error. * * Results: * None. * * Side effects: - * "length" bytes from "message" are appended to the errorInfo field. If - * "length" is negative, use bytes up to the first NULL byte. If we are + * The value of the Tcl_obj is appended to the errorInfo field. If we are * just starting to log an error, errorInfo is initialized from the error * message in the interpreter's result. * @@ -6758,15 +6172,16 @@ Tcl_AddErrorInfo( */ void -Tcl_AddObjErrorInfo( +Tcl_AppendObjToErrorInfo( Tcl_Interp *interp, /* Interpreter to which error information * pertains. */ - const char *message, /* Points to the first byte of an array of - * bytes of the message. */ - int length) /* The number of bytes in the message. If < 0, - * then append all bytes up to a NULL byte. */ + Tcl_Obj *objPtr) /* Message to record. */ { + int length; register Interp *iPtr = (Interp *) interp; + const char *message = TclGetStringFromObj(objPtr, &length); + + Tcl_IncrRefCount(objPtr); /* * If we are just starting to log an error, errorInfo is initialized from @@ -6775,19 +6190,7 @@ Tcl_AddObjErrorInfo( iPtr->flags |= ERR_LEGACY_COPY; if (iPtr->errorInfo == NULL) { - if (iPtr->result[0] != 0) { - /* - * The interp's string result is set, apparently by some extension - * making a deprecated direct write to it. That extension may - * expect interp->result to continue to be set, so we'll take - * special pains to avoid clearing it, until we drop support for - * interp->result completely. - */ - - iPtr->errorInfo = Tcl_NewStringObj(iPtr->result, -1); - } else { - iPtr->errorInfo = iPtr->objResultPtr; - } + iPtr->errorInfo = iPtr->objResultPtr; Tcl_IncrRefCount(iPtr->errorInfo); if (!iPtr->errorCode) { Tcl_SetErrorCode(interp, "NONE", NULL); @@ -6806,123 +6209,7 @@ Tcl_AddObjErrorInfo( } Tcl_AppendToObj(iPtr->errorInfo, message, length); } -} - -/* - *--------------------------------------------------------------------------- - * - * Tcl_VarEvalVA -- - * - * Given a variable number of string arguments, concatenate them all - * together and execute the result as a Tcl command. - * - * Results: - * A standard Tcl return result. An error message or other result may be - * left in the interp's result. - * - * Side effects: - * Depends on what was done by the command. - * - *--------------------------------------------------------------------------- - */ - -int -Tcl_VarEvalVA( - Tcl_Interp *interp, /* Interpreter in which to evaluate command */ - va_list argList) /* Variable argument list. */ -{ - Tcl_DString buf; - char *string; - int result; - - /* - * Copy the strings one after the other into a single larger string. Use - * stack-allocated space for small commands, but if the command gets too - * large than call ckalloc to create the space. - */ - - Tcl_DStringInit(&buf); - while (1) { - string = va_arg(argList, char *); - if (string == NULL) { - break; - } - Tcl_DStringAppend(&buf, string, -1); - } - - result = Tcl_Eval(interp, Tcl_DStringValue(&buf)); - Tcl_DStringFree(&buf); - return result; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_VarEval -- - * - * Given a variable number of string arguments, concatenate them all - * together and execute the result as a Tcl command. - * - * Results: - * A standard Tcl return result. An error message or other result may be - * left in interp->result. - * - * Side effects: - * Depends on what was done by the command. - * - *---------------------------------------------------------------------- - */ - /* ARGSUSED */ -int -Tcl_VarEval( - Tcl_Interp *interp, - ...) -{ - va_list argList; - int result; - - va_start(argList, interp); - result = Tcl_VarEvalVA(interp, argList); - va_end(argList); - - return result; -} - -/* - *---------------------------------------------------------------------- - * - * Tcl_GlobalEval -- - * - * Evaluate a command at global level in an interpreter. - * - * Results: - * A standard Tcl result is returned, and the interp's result is modified - * accordingly. - * - * Side effects: - * The command string is executed in interp, and the execution is carried - * out in the variable context of global level (no functions active), - * just as if an "uplevel #0" command were being executed. - * - *---------------------------------------------------------------------- - */ - -#undef Tcl_GlobalEval -int -Tcl_GlobalEval( - Tcl_Interp *interp, /* Interpreter in which to evaluate - * command. */ - const char *command) /* Command to evaluate. */ -{ - register Interp *iPtr = (Interp *) interp; - int result; - CallFrame *savedVarFramePtr; - - savedVarFramePtr = iPtr->varFramePtr; - iPtr->varFramePtr = iPtr->rootFramePtr; - result = Tcl_Eval(interp, command); - iPtr->varFramePtr = savedVarFramePtr; - return result; + Tcl_DecrRefCount(objPtr); } /* |