diff options
Diffstat (limited to 'generic/tclProc.c')
| -rw-r--r-- | generic/tclProc.c | 1136 |
1 files changed, 589 insertions, 547 deletions
diff --git a/generic/tclProc.c b/generic/tclProc.c index 713ee18..ce1c767 100644 --- a/generic/tclProc.c +++ b/generic/tclProc.c @@ -11,13 +11,11 @@ * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. - * - * RCS: @(#) $Id: tclProc.c,v 1.150 2008/07/21 03:43:32 msofer Exp $ */ #include "tclInt.h" #include "tclCompile.h" -#include "tclNRE.h" +#include "tclOOInt.h" /* * Variables that are part of the [apply] command implementation and which @@ -41,23 +39,20 @@ static int InitArgsAndLocals(Tcl_Interp *interp, Tcl_Obj *procNameObj, int skip); static void InitResolvedLocals(Tcl_Interp *interp, ByteCode *codePtr, Var *defPtr, - Namespace *nsPtr); -static void InitLocalCache(Proc *procPtr); + Namespace *nsPtr); +static void InitLocalCache(Proc *procPtr); static int PushProcCallFrame(ClientData clientData, register Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], int isLambda); static void ProcBodyDup(Tcl_Obj *srcPtr, Tcl_Obj *dupPtr); static void ProcBodyFree(Tcl_Obj *objPtr); -static int ProcWrongNumArgs(Tcl_Interp *interp, int skip); +static int ProcWrongNumArgs(Tcl_Interp *interp, int skip); static void MakeProcError(Tcl_Interp *interp, Tcl_Obj *procNameObj); static void MakeLambdaError(Tcl_Interp *interp, Tcl_Obj *procNameObj); static int SetLambdaFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr); -static int ProcCompileProc(Tcl_Interp *interp, Proc *procPtr, - Tcl_Obj *bodyPtr, Namespace *nsPtr, - const char *description, const char *procName, - Proc **procPtrPtr); + static Tcl_NRPostProc ApplyNR2; static Tcl_NRPostProc InterpProcNR2; static Tcl_NRPostProc Uplevel_Callback; @@ -66,7 +61,7 @@ static Tcl_NRPostProc Uplevel_Callback; * The ProcBodyObjType type */ -Tcl_ObjType tclProcBodyType = { +const Tcl_ObjType tclProcBodyType = { "procbody", /* name for this type */ ProcBodyFree, /* FreeInternalRep function */ ProcBodyDup, /* DupInternalRep function */ @@ -78,15 +73,15 @@ Tcl_ObjType tclProcBodyType = { }; /* - * The [upvar]/[uplevel] level reference type. Uses the twoPtrValue field, - * encoding the type of level reference in ptr1 and the actual parsed out - * offset in ptr2. + * The [upvar]/[uplevel] level reference type. Uses the ptrAndLongRep field, + * encoding the type of level reference in ptr and the actual parsed out + * offset in value. * * Uses the default behaviour throughout, and never disposes of the string * rep; it's just a cache type. */ -static Tcl_ObjType levelReferenceType = { +static const Tcl_ObjType levelReferenceType = { "levelReference", NULL, NULL, NULL, NULL }; @@ -100,7 +95,7 @@ static Tcl_ObjType levelReferenceType = { * will execute within. */ -static Tcl_ObjType lambdaType = { +static const Tcl_ObjType lambdaType = { "lambdaExpr", /* name */ FreeLambdaInternalRep, /* freeIntRepProc */ DupLambdaInternalRep, /* dupIntRepProc */ @@ -135,7 +130,7 @@ Tcl_ProcObjCmd( { register Interp *iPtr = (Interp *) interp; Proc *procPtr; - char *fullName; + const char *fullName; const char *procName, *procArgs, *procBody; Namespace *nsPtr, *altNsPtr, *cxtNsPtr; Tcl_Command cmd; @@ -157,20 +152,25 @@ Tcl_ProcObjCmd( &nsPtr, &altNsPtr, &cxtNsPtr, &procName); if (nsPtr == NULL) { - Tcl_AppendResult(interp, "can't create procedure \"", fullName, - "\": unknown namespace", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't create procedure \"%s\": unknown namespace", + fullName)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "COMMAND", NULL); return TCL_ERROR; } if (procName == NULL) { - Tcl_AppendResult(interp, "can't create procedure \"", fullName, - "\": bad procedure name", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't create procedure \"%s\": bad procedure name", + fullName)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "COMMAND", NULL); return TCL_ERROR; } if ((nsPtr != iPtr->globalNsPtr) && (procName != NULL) && (procName[0] == ':')) { - Tcl_AppendResult(interp, "can't create procedure \"", procName, - "\" in non-global namespace with name starting with \":\"", - NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't create procedure \"%s\" in non-global namespace with" + " name starting with \":\"", procName)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "COMMAND", NULL); return TCL_ERROR; } @@ -196,7 +196,7 @@ Tcl_ProcObjCmd( Tcl_DStringInit(&ds); if (nsPtr != iPtr->globalNsPtr) { Tcl_DStringAppend(&ds, nsPtr->fullName, -1); - Tcl_DStringAppend(&ds, "::", 2); + TclDStringAppendLiteral(&ds, "::"); } Tcl_DStringAppend(&ds, procName, -1); @@ -227,11 +227,9 @@ Tcl_ProcObjCmd( */ if (iPtr->cmdFramePtr) { - CmdFrame *contextPtr; + CmdFrame *contextPtr = TclStackAlloc(interp, sizeof(CmdFrame)); - contextPtr = (CmdFrame *) TclStackAlloc(interp, sizeof(CmdFrame)); *contextPtr = *iPtr->cmdFramePtr; - if (contextPtr->type == TCL_LOCATION_BC) { /* * Retrieve source information from the bytecode, if possible. If @@ -259,11 +257,12 @@ Tcl_ProcObjCmd( if (contextPtr->line && (contextPtr->nline >= 4) && (contextPtr->line[3] >= 0)) { int isNew; - CmdFrame *cfPtr = (CmdFrame *) ckalloc(sizeof(CmdFrame)); + Tcl_HashEntry *hePtr; + CmdFrame *cfPtr = ckalloc(sizeof(CmdFrame)); cfPtr->level = -1; cfPtr->type = contextPtr->type; - cfPtr->line = (int *) ckalloc(sizeof(int)); + cfPtr->line = ckalloc(sizeof(int)); cfPtr->line[0] = contextPtr->line[3]; cfPtr->nline = 1; cfPtr->framePtr = NULL; @@ -272,16 +271,35 @@ Tcl_ProcObjCmd( cfPtr->data.eval.path = contextPtr->data.eval.path; Tcl_IncrRefCount(cfPtr->data.eval.path); - cfPtr->cmd.str.cmd = NULL; - cfPtr->cmd.str.len = 0; + cfPtr->cmd = NULL; + cfPtr->len = 0; - Tcl_SetHashValue(Tcl_CreateHashEntry(iPtr->linePBodyPtr, - (char *) procPtr, &isNew), cfPtr); + hePtr = Tcl_CreateHashEntry(iPtr->linePBodyPtr, + procPtr, &isNew); + if (!isNew) { + /* + * Get the old command frame and release it. See also + * TclProcCleanupProc in this file. Currently it seems as + * if only the procbodytest::proc command of the testsuite + * is able to trigger this situation. + */ + + CmdFrame *cfOldPtr = Tcl_GetHashValue(hePtr); + + if (cfOldPtr->type == TCL_LOCATION_SOURCE) { + Tcl_DecrRefCount(cfOldPtr->data.eval.path); + cfOldPtr->data.eval.path = NULL; + } + ckfree(cfOldPtr->line); + cfOldPtr->line = NULL; + ckfree(cfOldPtr); + } + Tcl_SetHashValue(hePtr, cfPtr); } /* - * 'contextPtr' is going out of scope; account for the reference that - * it's holding to the path name. + * 'contextPtr' is going out of scope; account for the reference + * that it's holding to the path name. */ Tcl_DecrRefCount(contextPtr->data.eval.path); @@ -317,8 +335,10 @@ Tcl_ProcObjCmd( } if ((procArgs[0] == 'a') && (strncmp(procArgs, "args", 4) == 0)) { + int numBytes; + procArgs +=4; - while(*procArgs != '\0') { + while (*procArgs != '\0') { if (*procArgs != ' ') { goto done; } @@ -329,12 +349,9 @@ Tcl_ProcObjCmd( * The argument list is just "args"; check the body */ - procBody = TclGetString(objv[3]); - while (*procBody != '\0') { - if (!isspace(UCHAR(*procBody))) { - goto done; - } - procBody++; + procBody = Tcl_GetStringFromObj(objv[3], &numBytes); + if (TclParseAllWhiteSpace(procBody, numBytes) < numBytes) { + goto done; } /* @@ -404,7 +421,7 @@ TclCreateProc( * will be holding a reference to it. */ - procPtr = bodyPtr->internalRep.otherValuePtr; + procPtr = bodyPtr->internalRep.twoPtrValue.ptr1; procPtr->iPtr = iPtr; procPtr->refCount++; precompiled = 1; @@ -425,8 +442,18 @@ TclCreateProc( */ if (Tcl_IsShared(bodyPtr)) { + Tcl_Obj *sharedBodyPtr = bodyPtr; + bytes = TclGetStringFromObj(bodyPtr, &length); bodyPtr = Tcl_NewStringObj(bytes, length); + + /* + * TIP #280. + * Ensure that the continuation line data for the original body is + * not lost and applies to the new body as well. + */ + + TclContinuationsCopy(bodyPtr, sharedBodyPtr); } /* @@ -437,7 +464,7 @@ TclCreateProc( Tcl_IncrRefCount(bodyPtr); - procPtr = (Proc *) ckalloc(sizeof(Proc)); + procPtr = ckalloc(sizeof(Proc)); procPtr->iPtr = iPtr; procPtr->refCount = 1; procPtr->bodyPtr = bodyPtr; @@ -468,6 +495,8 @@ TclCreateProc( "procedure \"%s\": arg list contains %d entries, " "precompiled header expects %d", procName, numArgs, procPtr->numArgs)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "BYTECODELIES", NULL); goto procError; } localPtr = procPtr->firstLocalPtr; @@ -490,15 +519,20 @@ TclCreateProc( goto procError; } if (fieldCount > 2) { - ckfree((char *) fieldValues); - Tcl_AppendResult(interp, - "too many fields in argument specifier \"", - argArray[i], "\"", NULL); + ckfree(fieldValues); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "too many fields in argument specifier \"%s\"", + argArray[i])); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "FORMALARGUMENTFORMAT", NULL); goto procError; } if ((fieldCount == 0) || (*fieldValues[0] == 0)) { - ckfree((char *) fieldValues); - Tcl_AppendResult(interp, "argument with no name", NULL); + ckfree(fieldValues); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "argument with no name", -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "FORMALARGUMENTFORMAT", NULL); goto procError; } @@ -522,17 +556,21 @@ TclCreateProc( } while (*q != '\0'); q--; if (*q == ')') { /* We have an array element. */ - Tcl_AppendResult(interp, "formal parameter \"", - fieldValues[0], - "\" is an array element", NULL); - ckfree((char *) fieldValues); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "formal parameter \"%s\" is an array element", + fieldValues[0])); + ckfree(fieldValues); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "FORMALARGUMENTFORMAT", NULL); goto procError; } } else if ((*p == ':') && (*(p+1) == ':')) { - Tcl_AppendResult(interp, "formal parameter \"", - fieldValues[0], - "\" is not a simple name", NULL); - ckfree((char *) fieldValues); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "formal parameter \"%s\" is not a simple name", + fieldValues[0])); + ckfree(fieldValues); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "FORMALARGUMENTFORMAT", NULL); goto procError; } p++; @@ -559,7 +597,9 @@ TclCreateProc( Tcl_SetObjResult(interp, Tcl_ObjPrintf( "procedure \"%s\": formal parameter %d is " "inconsistent with precompiled body", procName, i)); - ckfree((char *) fieldValues); + ckfree(fieldValues); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "BYTECODELIES", NULL); goto procError; } @@ -569,7 +609,7 @@ TclCreateProc( if (localPtr->defValuePtr != NULL) { int tmpLength; - char *tmpPtr = TclGetStringFromObj(localPtr->defValuePtr, + const char *tmpPtr = TclGetStringFromObj(localPtr->defValuePtr, &tmpLength); if ((valueLength != tmpLength) || @@ -578,7 +618,9 @@ TclCreateProc( "procedure \"%s\": formal parameter \"%s\" has " "default value inconsistent with precompiled body", procName, fieldValues[0])); - ckfree((char *) fieldValues); + ckfree(fieldValues); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "BYTECODELIES", NULL); goto procError; } } @@ -596,9 +638,7 @@ TclCreateProc( * local variables for the argument. */ - localPtr = (CompiledLocal *) ckalloc((unsigned) - (sizeof(CompiledLocal) - sizeof(localPtr->name) - + nameLength + 1)); + localPtr = ckalloc(TclOffset(CompiledLocal, name) + nameLength+1); if (procPtr->firstLocalPtr == NULL) { procPtr->firstLocalPtr = procPtr->lastLocalPtr = localPtr; } else { @@ -618,7 +658,7 @@ TclCreateProc( } else { localPtr->defValuePtr = NULL; } - strcpy(localPtr->name, fieldValues[0]); + memcpy(localPtr->name, fieldValues[0], nameLength + 1); if ((i == numArgs - 1) && (localPtr->nameLength == 4) && (localPtr->name[0] == 'a') @@ -627,11 +667,11 @@ TclCreateProc( } } - ckfree((char *) fieldValues); + ckfree(fieldValues); } *procPtrPtr = procPtr; - ckfree((char *) argArray); + ckfree(argArray); return TCL_OK; procError: @@ -648,12 +688,12 @@ TclCreateProc( Tcl_DecrRefCount(defPtr); } - ckfree((char *) localPtr); + ckfree(localPtr); } - ckfree((char *) procPtr); + ckfree(procPtr); } if (argArray != NULL) { - ckfree((char *) argArray); + ckfree(argArray); } return TCL_ERROR; } @@ -732,8 +772,8 @@ TclGetFrame( return result; levelError: - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad level \"", name, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf("bad level \"%s\"", name)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "STACKLEVEL", NULL); return -1; } @@ -772,7 +812,7 @@ TclObjGetFrame( register Interp *iPtr = (Interp *) interp; int curLevel, level, result; CallFrame *framePtr; - const char *name = TclGetString(objPtr); + const char *name; /* * Parse object to figure out which level number to go to. @@ -780,18 +820,24 @@ TclObjGetFrame( result = 1; curLevel = iPtr->varFramePtr->level; + if (objPtr == NULL) { + name = "1"; + goto haveLevel1; + } + + name = TclGetString(objPtr); if (objPtr->typePtr == &levelReferenceType) { - if (PTR2INT(objPtr->internalRep.twoPtrValue.ptr1)) { - level = curLevel - PTR2INT(objPtr->internalRep.twoPtrValue.ptr2); + if (objPtr->internalRep.ptrAndLongRep.ptr != NULL) { + level = curLevel - objPtr->internalRep.ptrAndLongRep.value; } else { - level = PTR2INT(objPtr->internalRep.twoPtrValue.ptr2); + level = objPtr->internalRep.ptrAndLongRep.value; } if (level < 0) { goto levelError; } /* TODO: Consider skipping the typePtr checks */ } else if (objPtr->typePtr == &tclIntType -#ifndef NO_WIDE_TYPE +#ifndef TCL_WIDE_INT_IS_LONG || objPtr->typePtr == &tclWideIntType #endif ) { @@ -812,8 +858,8 @@ TclObjGetFrame( TclFreeIntRep(objPtr); objPtr->typePtr = &levelReferenceType; - objPtr->internalRep.twoPtrValue.ptr1 = (void *) 0; - objPtr->internalRep.twoPtrValue.ptr2 = INT2PTR(level); + objPtr->internalRep.ptrAndLongRep.ptr = NULL; + objPtr->internalRep.ptrAndLongRep.value = level; } else if (isdigit(UCHAR(*name))) { /* INTL: digit */ if (Tcl_GetInt(interp, name, &level) != TCL_OK) { return -1; @@ -827,14 +873,16 @@ TclObjGetFrame( TclFreeIntRep(objPtr); objPtr->typePtr = &levelReferenceType; - objPtr->internalRep.twoPtrValue.ptr1 = (void *) 1; - objPtr->internalRep.twoPtrValue.ptr2 = INT2PTR(level); + objPtr->internalRep.ptrAndLongRep.ptr = (void *) 1; /* non-NULL */ + objPtr->internalRep.ptrAndLongRep.value = level; level = curLevel - level; } else { /* - * Don't cache as the object *isn't* a level reference. + * Don't cache as the object *isn't* a level reference (might even be + * NULL...) */ + haveLevel1: level = curLevel - 1; result = 0; } @@ -856,8 +904,8 @@ TclObjGetFrame( return result; levelError: - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "bad level \"", name, "\"", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf("bad level \"%s\"", name)); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "STACKLEVEL", NULL); return -1; } @@ -888,7 +936,7 @@ Uplevel_Callback( if (result == TCL_ERROR) { Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( - "\n (\"uplevel\" body line %d)", interp->errorLine)); + "\n (\"uplevel\" body line %d)", Tcl_GetErrorLine(interp))); } /* @@ -919,6 +967,8 @@ TclNRUplevelObjCmd( { register Interp *iPtr = (Interp *) interp; + CmdFrame *invoker = NULL; + int word = 0; int result; CallFrame *savedVarFramePtr, *framePtr; Tcl_Obj *objPtr; @@ -937,11 +987,11 @@ TclNRUplevelObjCmd( if (result == -1) { return TCL_ERROR; } - objc -= (result+1); + objc -= result + 1; if (objc == 0) { goto uplevelSyntax; } - objv += (result+1); + objv += result + 1; /* * Modify the interpreter state to execute in the given frame. @@ -955,7 +1005,13 @@ TclNRUplevelObjCmd( */ if (objc == 1) { + /* + * TIP #280. Make actual argument location available to eval'd script + */ + + TclArgumentGet(interp, objv[0], &invoker, &word); objPtr = objv[0]; + } else { /* * More than one argument: concatenate them together with spaces @@ -968,7 +1024,7 @@ TclNRUplevelObjCmd( TclNRAddCallback(interp, Uplevel_Callback, savedVarFramePtr, NULL, NULL, NULL); - return TclNREvalObjEx(interp, objPtr, 0, NULL, 0); + return TclNREvalObjEx(interp, objPtr, 0, invoker, word); } /* @@ -1033,41 +1089,21 @@ Proc * TclIsProc( Command *cmdPtr) /* Command to test. */ { - Tcl_Command origCmd; + Tcl_Command origCmd = TclGetOriginalCommand((Tcl_Command) cmdPtr); - origCmd = TclGetOriginalCommand((Tcl_Command) cmdPtr); if (origCmd != NULL) { cmdPtr = (Command *) origCmd; } if (cmdPtr->deleteProc == TclProcDeleteProc) { - return (Proc *) cmdPtr->objClientData; + return cmdPtr->objClientData; } - return (Proc *) 0; + return NULL; } -/* - *---------------------------------------------------------------------- - * - * InitArgsAndLocals -- - * - * This routine is invoked in order to initialize the arguments and other - * compiled locals table for a new call frame. - * - * Results: - * A standard Tcl result. - * - * Side effects: - * Allocates memory on the stack for the compiled local variables, the - * caller is responsible for freeing them. Initialises all variables. May - * invoke various name resolvers in order to determine which variables - * are being referenced at runtime. - * - *---------------------------------------------------------------------- - */ - static int ProcWrongNumArgs( - Tcl_Interp *interp, int skip) + Tcl_Interp *interp, + int skip) { CallFrame *framePtr = ((Interp *)interp)->varFramePtr; register Proc *procPtr = framePtr->procPtr; @@ -1075,22 +1111,26 @@ ProcWrongNumArgs( int localCt = procPtr->numCompiledLocals, numArgs, i; Tcl_Obj **desiredObjs; const char *final = NULL; - + /* * Build up desired argument list for Tcl_WrongNumArgs */ numArgs = framePtr->procPtr->numArgs; - desiredObjs = (Tcl_Obj **) TclStackAlloc(interp, + desiredObjs = TclStackAlloc(interp, (int) sizeof(Tcl_Obj *) * (numArgs+1)); + if (framePtr->isProcCallFrame & FRAME_IS_LAMBDA) { + desiredObjs[0] = Tcl_NewStringObj("lambdaExpr", -1); + } else { + ((Interp *) interp)->ensembleRewrite.numInsertedObjs -= skip - 1; + #ifdef AVOID_HACKS_FOR_ITCL - desiredObjs[0] = framePtr->objv[skip-1]; + desiredObjs[0] = framePtr->objv[skip-1]; #else - desiredObjs[0] = ((framePtr->isProcCallFrame & FRAME_IS_LAMBDA) - ? framePtr->objv[skip-1] - : Tcl_NewListObj(skip, framePtr->objv)); + desiredObjs[0] = Tcl_NewListObj(skip, framePtr->objv); #endif /* AVOID_HACKS_FOR_ITCL */ + } Tcl_IncrRefCount(desiredObjs[0]); defPtr = (Var *) (&framePtr->localCachePtr->varName0 + localCt); @@ -1133,7 +1173,6 @@ ProcWrongNumArgs( * DEPRECATED: functionality has been inlined elsewhere; this function * remains to insure binary compatibility with Itcl. * - * Results: * None. * @@ -1143,6 +1182,7 @@ ProcWrongNumArgs( * *---------------------------------------------------------------------- */ + void TclInitCompiledLocals( Tcl_Interp *interp, /* Current interpreter. */ @@ -1157,7 +1197,7 @@ TclInitCompiledLocals( if (bodyPtr->typePtr != &tclByteCodeType) { Tcl_Panic("body object for proc attached to frame is not a byte code type"); } - codePtr = bodyPtr->internalRep.otherValuePtr; + codePtr = bodyPtr->internalRep.twoPtrValue.ptr1; if (framePtr->numCompiledLocals) { if (!codePtr->localCachePtr) { @@ -1165,7 +1205,7 @@ TclInitCompiledLocals( } framePtr->localCachePtr = codePtr->localCachePtr; framePtr->localCachePtr->refCount++; - } + } InitResolvedLocals(interp, codePtr, varPtr, nsPtr); } @@ -1212,64 +1252,34 @@ InitResolvedLocals( } if (!(haveResolvers && (codePtr->flags & TCL_BYTECODE_RESOLVE_VARS))) { - /* - * Initialize the array of local variables stored in the call frame. - * Some variables may have special resolution rules. In that case, we - * call their "resolver" procs to get our hands on the variable, and - * we make the compiled local a link to the real variable. - */ - - doInitResolvedLocals: - for (; localPtr != NULL; varPtr++, localPtr = localPtr->nextPtr) { - varPtr->flags = 0; - varPtr->value.objPtr = NULL; - - /* - * Now invoke the resolvers to determine the exact variables - * that should be used. - */ - - resVarInfo = localPtr->resolveInfo; - if (resVarInfo && resVarInfo->fetchProc) { - Var *resolvedVarPtr = (Var *) - (*resVarInfo->fetchProc)(interp, resVarInfo); - if (resolvedVarPtr) { - if (TclIsVarInHash(resolvedVarPtr)) { - VarHashRefCount(resolvedVarPtr)++; - } - varPtr->flags = VAR_LINK; - varPtr->value.linkPtr = resolvedVarPtr; - } - } - } - return; + goto doInitResolvedLocals; } /* * This is the first run after a recompile, or else the resolver epoch * has changed: update the resolver cache. */ - + firstLocalPtr = localPtr; for (; localPtr != NULL; localPtr = localPtr->nextPtr) { if (localPtr->resolveInfo) { if (localPtr->resolveInfo->deleteProc) { localPtr->resolveInfo->deleteProc(localPtr->resolveInfo); } else { - ckfree((char *) localPtr->resolveInfo); + ckfree(localPtr->resolveInfo); } localPtr->resolveInfo = NULL; } localPtr->flags &= ~VAR_RESOLVED; - + if (haveResolvers && !(localPtr->flags & (VAR_ARGUMENT|VAR_TEMPORARY))) { ResolverScheme *resPtr = iPtr->resolverPtr; Tcl_ResolvedVarInfo *vinfo; int result; - + if (nsPtr->compiledVarResProc) { - result = (*nsPtr->compiledVarResProc)(nsPtr->interp, + result = nsPtr->compiledVarResProc(nsPtr->interp, localPtr->name, localPtr->nameLength, (Tcl_Namespace *) nsPtr, &vinfo); } else { @@ -1278,7 +1288,7 @@ InitResolvedLocals( while ((result == TCL_CONTINUE) && resPtr) { if (resPtr->compiledVarResProc) { - result = (*resPtr->compiledVarResProc)(nsPtr->interp, + result = resPtr->compiledVarResProc(nsPtr->interp, localPtr->name, localPtr->nameLength, (Tcl_Namespace *) nsPtr, &vinfo); } @@ -1292,9 +1302,40 @@ InitResolvedLocals( } localPtr = firstLocalPtr; codePtr->flags &= ~TCL_BYTECODE_RESOLVE_VARS; - goto doInitResolvedLocals; -} + /* + * Initialize the array of local variables stored in the call frame. Some + * variables may have special resolution rules. In that case, we call + * their "resolver" procs to get our hands on the variable, and we make + * the compiled local a link to the real variable. + */ + + doInitResolvedLocals: + for (; localPtr != NULL; varPtr++, localPtr = localPtr->nextPtr) { + varPtr->flags = 0; + varPtr->value.objPtr = NULL; + + /* + * Now invoke the resolvers to determine the exact variables that + * should be used. + */ + + resVarInfo = localPtr->resolveInfo; + if (resVarInfo && resVarInfo->fetchProc) { + register Var *resolvedVarPtr = (Var *) + resVarInfo->fetchProc(interp, resVarInfo); + + if (resolvedVarPtr) { + if (TclIsVarInHash(resolvedVarPtr)) { + VarHashRefCount(resolvedVarPtr)++; + } + varPtr->flags = VAR_LINK; + varPtr->value.linkPtr = resolvedVarPtr; + } + } + } +} + void TclFreeLocalCache( Tcl_Interp *interp, @@ -1304,28 +1345,22 @@ TclFreeLocalCache( Tcl_Obj **namePtrPtr = &localCachePtr->varName0; for (i = 0; i < localCachePtr->numVars; i++, namePtrPtr++) { - Tcl_Obj *objPtr = *namePtrPtr; - /* - * Note that this can be called with interp==NULL, on interp - * deletion. In that case, the literal table and objects go away - * on their own. - */ + register Tcl_Obj *objPtr = *namePtrPtr; + if (objPtr) { - if (interp) { - TclReleaseLiteral(interp, objPtr); - } else { - Tcl_DecrRefCount(objPtr); - } + /* TclReleaseLiteral calls Tcl_DecrRefCount for us */ + TclReleaseLiteral(interp, objPtr); } } - ckfree((char *) localCachePtr); + ckfree(localCachePtr); } - + static void -InitLocalCache(Proc *procPtr) +InitLocalCache( + Proc *procPtr) { Interp *iPtr = procPtr->iPtr; - ByteCode *codePtr = procPtr->bodyPtr->internalRep.otherValuePtr; + ByteCode *codePtr = procPtr->bodyPtr->internalRep.twoPtrValue.ptr1; int localCt = procPtr->numCompiledLocals; int numArgs = procPtr->numArgs, i = 0; @@ -1341,9 +1376,9 @@ InitLocalCache(Proc *procPtr) * for future calls. */ - localCachePtr = (LocalCache *) ckalloc(sizeof(LocalCache) - + (localCt-1)*sizeof(Tcl_Obj *) - + numArgs*sizeof(Var)); + localCachePtr = ckalloc(sizeof(LocalCache) + + (localCt - 1) * sizeof(Tcl_Obj *) + + numArgs * sizeof(Var)); namePtr = &localCachePtr->varName0; varPtr = (Var *) (namePtr + localCt); @@ -1365,12 +1400,32 @@ InitLocalCache(Proc *procPtr) i++; } namePtr++; - localPtr=localPtr->nextPtr; + localPtr = localPtr->nextPtr; } codePtr->localCachePtr = localCachePtr; localCachePtr->refCount = 1; - localCachePtr->numVars = localCt; + localCachePtr->numVars = localCt; } + +/* + *---------------------------------------------------------------------- + * + * InitArgsAndLocals -- + * + * This routine is invoked in order to initialize the arguments and other + * compiled locals table for a new call frame. + * + * Results: + * A standard Tcl result. + * + * Side effects: + * Allocates memory on the stack for the compiled local variables, the + * caller is responsible for freeing them. Initialises all variables. May + * invoke various name resolvers in order to determine which variables + * are being referenced at runtime. + * + *---------------------------------------------------------------------- + */ static int InitArgsAndLocals( @@ -1382,11 +1437,11 @@ InitArgsAndLocals( { CallFrame *framePtr = ((Interp *)interp)->varFramePtr; register Proc *procPtr = framePtr->procPtr; - ByteCode *codePtr = procPtr->bodyPtr->internalRep.otherValuePtr; + ByteCode *codePtr = procPtr->bodyPtr->internalRep.twoPtrValue.ptr1; register Var *varPtr, *defPtr; int localCt = procPtr->numCompiledLocals, numArgs, argCt, i, imax; Tcl_Obj *const *argObjs; - + /* * Make sure that the local cache of variable names and initial values has * been initialised properly . @@ -1402,14 +1457,14 @@ InitArgsAndLocals( } else { defPtr = NULL; } - + /* * Create the "compiledLocals" array. Make sure it is large enough to hold * all the procedure's compiled local variables, including its formal * parameters. */ - varPtr = (Var *) TclStackAlloc(interp, (int)(localCt * sizeof(Var))); + varPtr = TclStackAlloc(interp, (int)(localCt * sizeof(Var))); framePtr->compiledLocals = varPtr; framePtr->numCompiledLocals = localCt; @@ -1432,7 +1487,7 @@ InitArgsAndLocals( } } imax = ((argCt < numArgs-1) ? argCt : numArgs-1); - for (i = 0; i < imax; i++, varPtr++, defPtr++) { + for (i = 0; i < imax; i++, varPtr++, defPtr ? defPtr++ : defPtr) { /* * "Normal" arguments; last formal is special, depends on it being * 'args'. @@ -1444,21 +1499,20 @@ InitArgsAndLocals( varPtr->value.objPtr = objPtr; Tcl_IncrRefCount(objPtr); /* Local var is a reference. */ } - for (; i < numArgs-1; i++, varPtr++, defPtr++) { + for (; i < numArgs-1; i++, varPtr++, defPtr ? defPtr++ : defPtr) { /* * This loop is entered if argCt < (numArgs-1). Set default values; * last formal is special. */ - Tcl_Obj *objPtr = defPtr->value.objPtr; + Tcl_Obj *objPtr = defPtr ? defPtr->value.objPtr : NULL; - if (objPtr) { - varPtr->flags = 0; - varPtr->value.objPtr = objPtr; - Tcl_IncrRefCount(objPtr); /* Local var reference. */ - } else { + if (!objPtr) { goto incorrectArgs; } + varPtr->flags = 0; + varPtr->value.objPtr = objPtr; + Tcl_IncrRefCount(objPtr); /* Local var reference. */ } /* @@ -1467,7 +1521,7 @@ InitArgsAndLocals( */ varPtr->flags = 0; - if (defPtr->flags & VAR_IS_ARGS) { + if (defPtr && defPtr->flags & VAR_IS_ARGS) { Tcl_Obj *listPtr = Tcl_NewListObj(argCt-i, argObjs+i); varPtr->value.objPtr = listPtr; @@ -1477,7 +1531,7 @@ InitArgsAndLocals( varPtr->value.objPtr = objPtr; Tcl_IncrRefCount(objPtr); /* Local var is a reference. */ - } else if ((argCt < numArgs) && (defPtr->value.objPtr != NULL)) { + } else if ((argCt < numArgs) && defPtr && defPtr->value.objPtr) { Tcl_Obj *objPtr = defPtr->value.objPtr; varPtr->value.objPtr = objPtr; @@ -1534,7 +1588,7 @@ InitArgsAndLocals( static int PushProcCallFrame( - ClientData clientData, /* Record describing procedure to be + ClientData clientData, /* Record describing procedure to be * interpreted. */ register Tcl_Interp *interp,/* Interpreter in which procedure was * invoked. */ @@ -1544,7 +1598,7 @@ PushProcCallFrame( int isLambda) /* 1 if this is a call by ApplyObjCmd: it * needs special rules for error msg */ { - Proc *procPtr = (Proc *) clientData; + Proc *procPtr = clientData; Namespace *nsPtr = procPtr->cmdPtr->nsPtr; CallFrame *framePtr, **framePtrPtr; int result; @@ -1570,8 +1624,8 @@ PushProcCallFrame( * commands and/or resolver changes are considered). */ - codePtr = procPtr->bodyPtr->internalRep.otherValuePtr; - if (((Interp *) *codePtr->interpHandle != iPtr) + codePtr = procPtr->bodyPtr->internalRep.twoPtrValue.ptr1; + if (((Interp *) *codePtr->interpHandle != iPtr) || (codePtr->compileEpoch != iPtr->compileEpoch) || (codePtr->nsPtr != nsPtr) || (codePtr->nsEpoch != nsPtr->resolverEpoch)) { @@ -1579,9 +1633,9 @@ PushProcCallFrame( } } else { doCompilation: - result = ProcCompileProc(interp, procPtr, procPtr->bodyPtr, nsPtr, + result = TclProcCompileProc(interp, procPtr, procPtr->bodyPtr, nsPtr, (isLambda ? "body of lambda term" : "body of proc"), - TclGetString(objv[isLambda]), &procPtr); + TclGetString(objv[isLambda])); if (result != TCL_OK) { return result; } @@ -1610,23 +1664,6 @@ PushProcCallFrame( return TCL_OK; } -static int -Tcl_NRBC( - Tcl_Interp *interp, - ByteCode *codePtr, - Tcl_NRPostProc *postProcPtr, - Tcl_Obj *procNameObj, - ProcErrorProc errorProc) -{ - TEOV_record *recordPtr = TOP_RECORD(interp); - - recordPtr->type = TCL_NR_BC_TYPE; - recordPtr->data.codePtr = codePtr; - TclNRAddCallback(interp, postProcPtr, procNameObj, errorProc, NULL, - NULL); - return TCL_OK; -} - /* *---------------------------------------------------------------------- * @@ -1646,7 +1683,7 @@ Tcl_NRBC( int TclObjInterpProc( - ClientData clientData, /* Record describing procedure to be + ClientData clientData, /* Record describing procedure to be * interpreted. */ register Tcl_Interp *interp,/* Interpreter in which procedure was * invoked. */ @@ -1655,21 +1692,15 @@ TclObjInterpProc( Tcl_Obj *const objv[]) /* Argument value objects. */ { /* - * Not used in the core; external interface for iTcl and XOTcl + * Not used much in the core; external interface for iTcl */ - - int result = PushProcCallFrame(clientData, interp, objc, objv, - /*isLambda*/ 0); - if (result != TCL_OK) { - return TCL_ERROR; - } - return TclObjInterpProcCore(interp, objv[0], 1, &MakeProcError); + return Tcl_NRCallObjProc(interp, TclNRInterpProc, clientData, objc, objv); } int TclNRInterpProc( - ClientData clientData, /* Record describing procedure to be + ClientData clientData, /* Record describing procedure to be * interpreted. */ register Tcl_Interp *interp,/* Interpreter in which procedure was * invoked. */ @@ -1689,7 +1720,7 @@ TclNRInterpProc( /* *---------------------------------------------------------------------- * - * TclObjInterpProcCore -- + * TclNRInterpProcCore -- * * When a Tcl procedure, lambda term or anything else that works like a * procedure gets invoked during bytecode evaluation, this object-based @@ -1705,56 +1736,13 @@ TclNRInterpProc( */ int -TclObjInterpProcCore( - register Tcl_Interp *interp,/* Interpreter in which procedure was - * invoked. */ - Tcl_Obj *procNameObj, /* Procedure name for error reporting. */ - int skip, /* Number of initial arguments to be skipped, - * i.e., words in the "command name". */ - ProcErrorProc errorProc) /* How to convert results from the script into - * results of the overall procedure. */ -{ - /* - * Not used in the core; external interface for TclOO - */ - - Interp *iPtr = (Interp *) interp; - TEOV_record record, *rootPtr; - int result; - - /* - * Put a top record NOT ON THE TCL STACK! Note that TclNRInterpProcCore - * assumes it can free the CallFrame in the error case, there cannot be - * anything else on top of that. We use a C-stack record, it could also be - * ckalloc'ed or anything else, just NOT TclStackAlloc. - */ - - rootPtr = TOP_RECORD(iPtr); - TOP_RECORD(iPtr) = &record; - result = TclNRInterpProcCore(interp, procNameObj, skip, errorProc); - TOP_RECORD(iPtr) = rootPtr; - - if (result == TCL_OK) { - result = TclExecuteByteCode(interp, record.data.codePtr); - result = TclEvalObjv_NR2(interp, result, rootPtr); - if (TOP_RECORD(iPtr) != rootPtr) { - /* FIXME NRE & tailcalls */ - Tcl_Panic("TclObjInterpProcCore not yet prepared to deal with evals in callbacks!"); - } - result = InterpProcNR2(record.callbackPtr->data, interp, result); - TclSmallFree(record.callbackPtr); - } - return result; -} - -int TclNRInterpProcCore( register Tcl_Interp *interp,/* Interpreter in which procedure was * invoked. */ Tcl_Obj *procNameObj, /* Procedure name for error reporting. */ int skip, /* Number of initial arguments to be skipped, * i.e., words in the "command name". */ - ProcErrorProc errorProc) /* How to convert results from the script into + ProcErrorProc *errorProc) /* How to convert results from the script into * results of the overall procedure. */ { Interp *iPtr = (Interp *) interp; @@ -1768,7 +1756,7 @@ TclNRInterpProcCore( freePtr = iPtr->framePtr; Tcl_PopCallFrame(interp); /* Pop but do not free. */ TclStackFree(interp, freePtr->compiledLocals); - /* Free compiledLocals. */ + /* Free compiledLocals. */ TclStackFree(interp, freePtr); /* Free CallFrame. */ return TCL_ERROR; } @@ -1792,13 +1780,14 @@ TclNRInterpProcCore( } #endif /*TCL_COMPILE_DEBUG*/ +#ifdef USE_DTRACE if (TCL_DTRACE_PROC_ARGS_ENABLED()) { - char *a[10]; - int i; int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0; + const char *a[10]; + int i; - for (i=0 ; i<10 ; i++) { - a[i] = (l < iPtr->varFramePtr->objc ? + for (i = 0 ; i < 10 ; i++) { + a[i] = (l < iPtr->varFramePtr->objc ? TclGetString(iPtr->varFramePtr->objv[l]) : NULL); l++; } @@ -1807,30 +1796,40 @@ TclNRInterpProcCore( } if (TCL_DTRACE_PROC_INFO_ENABLED() && iPtr->cmdFramePtr) { Tcl_Obj *info = TclInfoFrame(interp, iPtr->cmdFramePtr); - char *a[4]; int i[2]; - + const char *a[6]; int i[2]; + TclDTraceInfo(info, a, i); - TCL_DTRACE_PROC_INFO(a[0], a[1], a[2], a[3], i[0], i[1]); + TCL_DTRACE_PROC_INFO(a[0], a[1], a[2], a[3], i[0], i[1], a[4], a[5]); TclDecrRefCount(info); } + if (TCL_DTRACE_PROC_ENTRY_ENABLED()) { + int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0; + + TCL_DTRACE_PROC_ENTRY(l < iPtr->varFramePtr->objc ? + TclGetString(iPtr->varFramePtr->objv[l]) : NULL, + iPtr->varFramePtr->objc - l - 1, + (Tcl_Obj **)(iPtr->varFramePtr->objv + l + 1)); + } + if (TCL_DTRACE_PROC_ENTRY_ENABLED()) { + int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0; + + TCL_DTRACE_PROC_ENTRY(l < iPtr->varFramePtr->objc ? + TclGetString(iPtr->varFramePtr->objv[l]) : NULL, + iPtr->varFramePtr->objc - l - 1, + (Tcl_Obj **)(iPtr->varFramePtr->objv + l + 1)); + } +#endif /* USE_DTRACE */ /* * Invoke the commands in the procedure's body. */ procPtr->refCount++; - codePtr = procPtr->bodyPtr->internalRep.otherValuePtr; - if (TCL_DTRACE_PROC_ENTRY_ENABLED()) { - int l; - - l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 2 : 1; - TCL_DTRACE_PROC_ENTRY(TclGetString(procNameObj), - iPtr->varFramePtr->objc - l, - (Tcl_Obj **)(iPtr->varFramePtr->objv + l)); - } + codePtr = procPtr->bodyPtr->internalRep.twoPtrValue.ptr1; - Tcl_NRBC(interp, codePtr, InterpProcNR2, procNameObj, errorProc); - return TCL_OK; + TclNRAddCallback(interp, InterpProcNR2, procNameObj, errorProc, + NULL, NULL); + return TclNRExecuteByteCode(interp, codePtr); } static int @@ -1843,19 +1842,52 @@ InterpProcNR2( Proc *procPtr = iPtr->varFramePtr->procPtr; CallFrame *freePtr; Tcl_Obj *procNameObj = data[0]; - ProcErrorProc errorProc = data[1]; - + ProcErrorProc *errorProc = (ProcErrorProc *)data[1]; + if (TCL_DTRACE_PROC_RETURN_ENABLED()) { - TCL_DTRACE_PROC_RETURN(TclGetString(procNameObj), result); + int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0; + + TCL_DTRACE_PROC_RETURN(l < iPtr->varFramePtr->objc ? + TclGetString(iPtr->varFramePtr->objv[l]) : NULL, result); } if (--procPtr->refCount <= 0) { TclProcCleanupProc(procPtr); } /* - * Process the result code. + * Free the stack-allocated compiled locals and CallFrame. It is important + * to pop the call frame without freeing it first: the compiledLocals + * cannot be freed before the frame is popped, as the local variables must + * be deleted. But the compiledLocals must be freed first, as they were + * allocated later on the stack. */ + if (result != TCL_OK) { + goto process; + } + + done: + if (TCL_DTRACE_PROC_RESULT_ENABLED()) { + int l = iPtr->varFramePtr->isProcCallFrame & FRAME_IS_LAMBDA ? 1 : 0; + Tcl_Obj *r = Tcl_GetObjResult(interp); + + TCL_DTRACE_PROC_RESULT(l < iPtr->varFramePtr->objc ? + TclGetString(iPtr->varFramePtr->objv[l]) : NULL, result, + TclGetString(r), r); + } + + freePtr = iPtr->framePtr; + Tcl_PopCallFrame(interp); /* Pop but do not free. */ + TclStackFree(interp, freePtr->compiledLocals); + /* Free compiledLocals. */ + TclStackFree(interp, freePtr); /* Free CallFrame. */ + return result; + + /* + * Process any non-TCL_OK result code. + */ + + process: switch (result) { case TCL_RETURN: /* @@ -1872,10 +1904,10 @@ InterpProcNR2( * transform to an error now. */ - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "invoked \"", - ((result == TCL_BREAK) ? "break" : "continue"), - "\" outside of a loop", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "invoked \"%s\" outside of a loop", + ((result == TCL_BREAK) ? "break" : "continue"))); + Tcl_SetErrorCode(interp, "TCL", "RESULT", "UNEXPECTED", NULL); result = TCL_ERROR; /* @@ -1889,46 +1921,9 @@ InterpProcNR2( * function handed to us as an argument. */ - (*errorProc)(interp, procNameObj); - - default: - /* - * Process other results (OK and non-standard) by doing nothing - * special, skipping directly to the code afterwards that cleans up - * associated memory. - * - * Non-standard results are processed by passing them through quickly. - * This means they all work as exceptions, unwinding the stack quickly - * and neatly. Who knows how well they are handled by third-party code - * though... - */ - - (void) 0; /* do nothing */ - } - - if (TCL_DTRACE_PROC_RESULT_ENABLED()) { - Tcl_Obj *r; - - r = Tcl_GetObjResult(interp); - TCL_DTRACE_PROC_RESULT(TclGetString(procNameObj), result, - TclGetString(r), r); + errorProc(interp, procNameObj); } - - /* - * Free the stack-allocated compiled locals and CallFrame. It is important - * to pop the call frame without freeing it first: the compiledLocals - * cannot be freed before the frame is popped, as the local variables must - * be deleted. But the compiledLocals must be freed first, as they were - * allocated later on the stack. - */ - - freePtr = iPtr->framePtr; - Tcl_PopCallFrame(interp); /* Pop but do not free. */ - TclStackFree(interp, freePtr->compiledLocals); - /* Free compiledLocals. */ - TclStackFree(interp, freePtr); /* Free CallFrame. */ - - return result; + goto done; } /* @@ -1956,35 +1951,15 @@ TclProcCompileProc( Tcl_Interp *interp, /* Interpreter containing procedure. */ Proc *procPtr, /* Data associated with procedure. */ Tcl_Obj *bodyPtr, /* Body of proc. (Usually procPtr->bodyPtr, - * but could be any code fragment compiled in - * the context of this procedure.) */ + * but could be any code fragment compiled in + * the context of this procedure.) */ Namespace *nsPtr, /* Namespace containing procedure. */ const char *description, /* string describing this body of code. */ const char *procName) /* Name of this procedure. */ { - return ProcCompileProc(interp, procPtr, bodyPtr, nsPtr, description, - procName, NULL); -} - -static int -ProcCompileProc( - Tcl_Interp *interp, /* Interpreter containing procedure. */ - Proc *procPtr, /* Data associated with procedure. */ - Tcl_Obj *bodyPtr, /* Body of proc. (Usually procPtr->bodyPtr, - * but could be any code fragment compiled in - * the context of this procedure.) */ - Namespace *nsPtr, /* Namespace containing procedure. */ - const char *description, /* string describing this body of code. */ - const char *procName, /* Name of this procedure. */ - Proc **procPtrPtr) /* Points to storage where a replacement - * (Proc *) value may be written. */ -{ Interp *iPtr = (Interp *) interp; - int i; Tcl_CallFrame *framePtr; - Proc *saveProcPtr; - ByteCode *codePtr = bodyPtr->internalRep.otherValuePtr; - CompiledLocal *localPtr; + ByteCode *codePtr = bodyPtr->internalRep.twoPtrValue.ptr1; /* * If necessary, compile the procedure's body. The compiler will allocate @@ -2001,7 +1976,7 @@ ProcCompileProc( */ if (bodyPtr->typePtr == &tclByteCodeType) { - if (((Interp *) *codePtr->interpHandle == iPtr) + if (((Interp *) *codePtr->interpHandle == iPtr) && (codePtr->compileEpoch == iPtr->compileEpoch) && (codePtr->nsPtr == nsPtr) && (codePtr->nsEpoch == nsPtr->resolverEpoch)) { @@ -2010,27 +1985,28 @@ ProcCompileProc( if (codePtr->flags & TCL_BYTECODE_PRECOMPILED) { if ((Interp *) *codePtr->interpHandle != iPtr) { - Tcl_AppendResult(interp, - "a precompiled script jumped interps", NULL); + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "a precompiled script jumped interps", -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "PROC", + "CROSSINTERPBYTECODE", NULL); return TCL_ERROR; } codePtr->compileEpoch = iPtr->compileEpoch; codePtr->nsPtr = nsPtr; } else { - bodyPtr->typePtr->freeIntRepProc(bodyPtr); - bodyPtr->typePtr = NULL; - } + TclFreeIntRep(bodyPtr); + } } if (bodyPtr->typePtr != &tclByteCodeType) { Tcl_HashEntry *hePtr; #ifdef TCL_COMPILE_DEBUG - if (tclTraceCompile >= 1) { - /* - * Display a line summarizing the top level command we are about - * to compile. - */ + if (tclTraceCompile >= 1) { + /* + * Display a line summarizing the top level command we are about + * to compile. + */ Tcl_Obj *message; @@ -2038,87 +2014,57 @@ ProcCompileProc( Tcl_IncrRefCount(message); Tcl_AppendStringsToObj(message, description, " \"", NULL); Tcl_AppendLimitedToObj(message, procName, -1, 50, NULL); - fprintf(stdout, "%s\"\n", TclGetString(message)); + fprintf(stdout, "%s\"\n", TclGetString(message)); Tcl_DecrRefCount(message); - } + } #endif - /* - * Plug the current procPtr into the interpreter and coerce the code - * body to byte codes. The interpreter needs to know which proc it's - * compiling so that it can access its list of compiled locals. - * - * TRICKY NOTE: Be careful to push a call frame with the proper - * namespace context, so that the byte codes are compiled in the - * appropriate class context. - */ - - saveProcPtr = iPtr->compiledProcPtr; - - if (procPtrPtr != NULL && procPtr->refCount > 1) { - Tcl_Command token; - Tcl_CmdInfo info; - Proc *newProc = (Proc *) ckalloc(sizeof(Proc)); - - newProc->iPtr = procPtr->iPtr; - newProc->refCount = 1; - newProc->cmdPtr = procPtr->cmdPtr; - token = (Tcl_Command) newProc->cmdPtr; - newProc->bodyPtr = Tcl_DuplicateObj(bodyPtr); - bodyPtr = newProc->bodyPtr; - Tcl_IncrRefCount(bodyPtr); - newProc->numArgs = procPtr->numArgs; - - newProc->numCompiledLocals = newProc->numArgs; - newProc->firstLocalPtr = NULL; - newProc->lastLocalPtr = NULL; - localPtr = procPtr->firstLocalPtr; - for (i=0; i<newProc->numArgs; i++, localPtr=localPtr->nextPtr) { - CompiledLocal *copy = (CompiledLocal *) ckalloc((unsigned) - (sizeof(CompiledLocal) - sizeof(localPtr->name) - + localPtr->nameLength + 1)); - - if (newProc->firstLocalPtr == NULL) { - newProc->firstLocalPtr = newProc->lastLocalPtr = copy; - } else { - newProc->lastLocalPtr->nextPtr = copy; - newProc->lastLocalPtr = copy; - } - copy->nextPtr = NULL; - copy->nameLength = localPtr->nameLength; - copy->frameIndex = localPtr->frameIndex; - copy->flags = localPtr->flags; - copy->defValuePtr = localPtr->defValuePtr; - if (copy->defValuePtr) { - Tcl_IncrRefCount(copy->defValuePtr); - } - copy->resolveInfo = localPtr->resolveInfo; - strcpy(copy->name, localPtr->name); - } + /* + * Plug the current procPtr into the interpreter and coerce the code + * body to byte codes. The interpreter needs to know which proc it's + * compiling so that it can access its list of compiled locals. + * + * TRICKY NOTE: Be careful to push a call frame with the proper + * namespace context, so that the byte codes are compiled in the + * appropriate class context. + */ - /* - * Reset the ClientData - */ + iPtr->compiledProcPtr = procPtr; - Tcl_GetCommandInfoFromToken(token, &info); - if (info.objClientData == (ClientData) procPtr) { - info.objClientData = (ClientData) newProc; + if (procPtr->numCompiledLocals > procPtr->numArgs) { + CompiledLocal *clPtr = procPtr->firstLocalPtr; + CompiledLocal *lastPtr = NULL; + int i, numArgs = procPtr->numArgs; + + for (i = 0; i < numArgs; i++) { + lastPtr = clPtr; + clPtr = clPtr->nextPtr; } - if (info.clientData == (ClientData) procPtr) { - info.clientData = (ClientData) newProc; + + if (lastPtr) { + lastPtr->nextPtr = NULL; + } else { + procPtr->firstLocalPtr = NULL; } - if (info.deleteData == (ClientData) procPtr) { - info.deleteData = (ClientData) newProc; + procPtr->lastLocalPtr = lastPtr; + while (clPtr) { + CompiledLocal *toFree = clPtr; + + clPtr = clPtr->nextPtr; + if (toFree->resolveInfo) { + if (toFree->resolveInfo->deleteProc) { + toFree->resolveInfo->deleteProc(toFree->resolveInfo); + } else { + ckfree(toFree->resolveInfo); + } + } + ckfree(toFree); } - Tcl_SetCommandInfoFromToken(token, &info); - - procPtr->refCount--; - *procPtrPtr = procPtr = newProc; + procPtr->numCompiledLocals = procPtr->numArgs; } - iPtr->compiledProcPtr = procPtr; - (void) TclPushStackFrame(interp, &framePtr, - (Tcl_Namespace *) nsPtr, /* isProcCallFrame */ 0); + TclPushStackFrame(interp, &framePtr, (Tcl_Namespace *) nsPtr, + /* isProcCallFrame */ 0); /* * TIP #280: We get the invoking context from the cmdFrame which @@ -2132,12 +2078,10 @@ ProcCompileProc( */ iPtr->invokeWord = 0; - iPtr->invokeCmdFramePtr = - (hePtr ? (CmdFrame *) Tcl_GetHashValue(hePtr) : NULL); - (void) tclByteCodeType.setFromAnyProc(interp, bodyPtr); + iPtr->invokeCmdFramePtr = (hePtr ? Tcl_GetHashValue(hePtr) : NULL); + TclSetByteCodeFromAny(interp, bodyPtr, NULL, NULL); iPtr->invokeCmdFramePtr = NULL; TclPopStackFrame(interp); - iPtr->compiledProcPtr = saveProcPtr; } else if (codePtr->nsEpoch != nsPtr->resolverEpoch) { /* * The resolver epoch has changed, but we only need to invalidate the @@ -2182,7 +2126,7 @@ MakeProcError( Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (procedure \"%.*s%s\" line %d)", (overflow ? limit : nameLen), procName, - (overflow ? "..." : ""), interp->errorLine)); + (overflow ? "..." : ""), Tcl_GetErrorLine(interp))); } /* @@ -2209,7 +2153,7 @@ void TclProcDeleteProc( ClientData clientData) /* Procedure to be deleted. */ { - Proc *procPtr = (Proc *) clientData; + Proc *procPtr = clientData; procPtr->refCount--; if (procPtr->refCount <= 0) { @@ -2255,9 +2199,9 @@ TclProcCleanupProc( resVarInfo = localPtr->resolveInfo; if (resVarInfo) { if (resVarInfo->deleteProc) { - (*resVarInfo->deleteProc)(resVarInfo); + resVarInfo->deleteProc(resVarInfo); } else { - ckfree((char *) resVarInfo); + ckfree(resVarInfo); } } @@ -2265,18 +2209,18 @@ TclProcCleanupProc( defPtr = localPtr->defValuePtr; Tcl_DecrRefCount(defPtr); } - ckfree((char *) localPtr); + ckfree(localPtr); localPtr = nextPtr; } - ckfree((char *) procPtr); + ckfree(procPtr); /* * TIP #280: Release the location data associated with this Proc * structure, if any. The interpreter may not exist (For example for - * procbody structurues created by tbcload. + * procbody structures created by tbcload. */ - if (!iPtr) { + if (iPtr == NULL) { return; } @@ -2285,15 +2229,17 @@ TclProcCleanupProc( return; } - cfPtr = (CmdFrame *) Tcl_GetHashValue(hePtr); + cfPtr = Tcl_GetHashValue(hePtr); - if (cfPtr->type == TCL_LOCATION_SOURCE) { - Tcl_DecrRefCount(cfPtr->data.eval.path); - cfPtr->data.eval.path = NULL; + if (cfPtr) { + if (cfPtr->type == TCL_LOCATION_SOURCE) { + Tcl_DecrRefCount(cfPtr->data.eval.path); + cfPtr->data.eval.path = NULL; + } + ckfree(cfPtr->line); + cfPtr->line = NULL; + ckfree(cfPtr); } - ckfree((char *) cfPtr->line); - cfPtr->line = NULL; - ckfree((char *) cfPtr); Tcl_DeleteHashEntry(hePtr); } @@ -2330,9 +2276,14 @@ TclUpdateReturnInfo( if (iPtr->returnLevel == 0) { /* * Now we've reached the level to return the requested -code. + * Since iPtr->returnLevel and iPtr->returnCode have completed + * their task, we now reset them to default values so that any + * bare "return TCL_RETURN" that may follow will work [Bug 2152286]. */ code = iPtr->returnCode; + iPtr->returnLevel = 1; + iPtr->returnCode = TCL_OK; if (code == TCL_ERROR) { iPtr->flags |= ERR_LEGACY_COPY; } @@ -2398,7 +2349,7 @@ TclNewProcBodyObj( TclNewObj(objPtr); if (objPtr) { objPtr->typePtr = &tclProcBodyType; - objPtr->internalRep.otherValuePtr = procPtr; + objPtr->internalRep.twoPtrValue.ptr1 = procPtr; procPtr->refCount++; } @@ -2428,10 +2379,10 @@ ProcBodyDup( Tcl_Obj *srcPtr, /* Object to copy. */ Tcl_Obj *dupPtr) /* Target object for the duplication. */ { - Proc *procPtr = srcPtr->internalRep.otherValuePtr; + Proc *procPtr = srcPtr->internalRep.twoPtrValue.ptr1; dupPtr->typePtr = &tclProcBodyType; - dupPtr->internalRep.otherValuePtr = procPtr; + dupPtr->internalRep.twoPtrValue.ptr1 = procPtr; procPtr->refCount++; } @@ -2458,10 +2409,9 @@ static void ProcBodyFree( Tcl_Obj *objPtr) /* The object to clean up. */ { - Proc *procPtr = objPtr->internalRep.otherValuePtr; + Proc *procPtr = objPtr->internalRep.twoPtrValue.ptr1; - procPtr->refCount--; - if (procPtr->refCount <= 0) { + if (procPtr->refCount-- < 2) { TclProcCleanupProc(procPtr); } } @@ -2509,6 +2459,7 @@ FreeLambdaInternalRep( TclProcCleanupProc(procPtr); } TclDecrRefCount(nsObjPtr); + objPtr->typePtr = NULL; } static int @@ -2517,22 +2468,27 @@ SetLambdaFromAny( register Tcl_Obj *objPtr) /* The object to convert. */ { Interp *iPtr = (Interp *) interp; - char *name; - Tcl_Obj *argsPtr, *bodyPtr, *nsObjPtr, **objv, *errPtr; - int objc, result; + const char *name; + Tcl_Obj *argsPtr, *bodyPtr, *nsObjPtr, **objv; + int isNew, objc, result; + CmdFrame *cfPtr = NULL; Proc *procPtr; + if (interp == NULL) { + return TCL_ERROR; + } + /* * Convert objPtr to list type first; if it cannot be converted, or if its * length is not 2, then it cannot be converted to lambdaType. */ - result = TclListObjGetElements(interp, objPtr, &objc, &objv); + result = TclListObjGetElements(NULL, objPtr, &objc, &objv); if ((result != TCL_OK) || ((objc != 2) && (objc != 3))) { - TclNewLiteralStringObj(errPtr, "can't interpret \""); - Tcl_AppendObjToObj(errPtr, objPtr); - Tcl_AppendToObj(errPtr, "\" as a lambda expression", -1); - Tcl_SetObjResult(interp, errPtr); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "can't interpret \"%s\" as a lambda expression", + Tcl_GetString(objPtr))); + Tcl_SetErrorCode(interp, "TCL", "VALUE", "LAMBDA", NULL); return TCL_ERROR; } @@ -2581,11 +2537,9 @@ SetLambdaFromAny( */ if (iPtr->cmdFramePtr) { - CmdFrame *contextPtr; + CmdFrame *contextPtr = TclStackAlloc(interp, sizeof(CmdFrame)); - contextPtr = (CmdFrame *) TclStackAlloc(interp, sizeof(CmdFrame)); *contextPtr = *iPtr->cmdFramePtr; - if (contextPtr->type == TCL_LOCATION_BC) { /* * Retrieve the source context from the bytecode. This call @@ -2612,19 +2566,19 @@ SetLambdaFromAny( if (contextPtr->line && (contextPtr->nline >= 2) && (contextPtr->line[1] >= 0)) { - int isNew, buf[2]; - CmdFrame *cfPtr = (CmdFrame *) ckalloc(sizeof(CmdFrame)); + int buf[2]; /* * Move from approximation (line of list cmd word) to actual * location (line of 2nd list element). */ - TclListLines(name, contextPtr->line[1], 2, buf); + cfPtr = ckalloc(sizeof(CmdFrame)); + TclListLines(objPtr, contextPtr->line[1], 2, buf, NULL); cfPtr->level = -1; cfPtr->type = contextPtr->type; - cfPtr->line = (int *) ckalloc(sizeof(int)); + cfPtr->line = ckalloc(sizeof(int)); cfPtr->line[0] = buf[1]; cfPtr->nline = 1; cfPtr->framePtr = NULL; @@ -2633,11 +2587,8 @@ SetLambdaFromAny( cfPtr->data.eval.path = contextPtr->data.eval.path; Tcl_IncrRefCount(cfPtr->data.eval.path); - cfPtr->cmd.str.cmd = NULL; - cfPtr->cmd.str.len = 0; - - Tcl_SetHashValue(Tcl_CreateHashEntry(iPtr->linePBodyPtr, - (char *) procPtr, &isNew), cfPtr); + cfPtr->cmd = NULL; + cfPtr->len = 0; } /* @@ -2649,6 +2600,8 @@ SetLambdaFromAny( } TclStackFree(interp, contextPtr); } + Tcl_SetHashValue(Tcl_CreateHashEntry(iPtr->linePBodyPtr, procPtr, + &isNew), cfPtr); /* * Set the namespace for this lambda: given by objv[2] understood as a @@ -2658,7 +2611,7 @@ SetLambdaFromAny( if (objc == 2) { TclNewLiteralStringObj(nsObjPtr, "::"); } else { - char *nsName = TclGetString(objv[2]); + const char *nsName = TclGetString(objv[2]); if ((*nsName != ':') || (*(nsName+1) != ':')) { TclNewLiteralStringObj(nsObjPtr, "::"); @@ -2676,7 +2629,7 @@ SetLambdaFromAny( * conversion to lambdaType. */ - objPtr->typePtr->freeIntRepProc(objPtr); + TclFreeIntRep(objPtr); objPtr->internalRep.twoPtrValue.ptr1 = procPtr; objPtr->internalRep.twoPtrValue.ptr2 = nsObjPtr; @@ -2746,12 +2699,11 @@ TclNRApplyObjCmd( * ENABLE! Leaving here as reminder to (a) TIP the suggestion, and (b) adapt * the code. (MS) */ - + #if JOE_EXTENSION else { /* * Joe English's suggestion to allow cmdNames to function as lambdas. - * Also requires making tclCmdNameType non-static in tclObj.c */ Tcl_Obj *elemPtr; @@ -2792,11 +2744,11 @@ TclNRApplyObjCmd( /* * TIP#280 (semi-)HACK! * - * Using cmd.clientData to tell [info frame] how to render the - * 'lambdaPtr'. The InfoFrameCmd will detect this case by testing cmd.hPtr - * for NULL. This condition holds here because of the 'memset' above, and - * nowhere else (in the core). Regular commands always have a valid - * 'hPtr', and lambda's never. + * Using cmd.clientData to tell [info frame] how to render the lambdaPtr. + * The InfoFrameCmd will detect this case by testing cmd.hPtr for NULL. + * This condition holds here because of the memset() above, and nowhere + * else (in the core). Regular commands always have a valid hPtr, and + * lambda's never. */ extraPtr->efi.length = 1; @@ -2815,23 +2767,10 @@ TclNRApplyObjCmd( } extraPtr->isRootEnsemble = isRootEnsemble; - result = PushProcCallFrame((ClientData) procPtr, interp, objc, objv, 1); + result = PushProcCallFrame(procPtr, interp, objc, objv, 1); if (result == TCL_OK) { + TclNRAddCallback(interp, ApplyNR2, extraPtr, NULL, NULL, NULL); result = TclNRInterpProcCore(interp, objv[1], 2, &MakeLambdaError); - if (result == TCL_OK) { - /* Fix the recordPtr! */ - - TEOV_record *recordPtr = TOP_RECORD(iPtr); - - recordPtr->callbackPtr->procPtr = ApplyNR2; - recordPtr->callbackPtr->data[2] = extraPtr; - } - } - if (result != TCL_OK) { - if (isRootEnsemble) { - iPtr->ensembleRewrite.sourceObjs = NULL; - } - TclStackFree(interp, extraPtr); } return result; } @@ -2842,9 +2781,7 @@ ApplyNR2( Tcl_Interp *interp, int result) { - ApplyExtraData *extraPtr = data[2]; - - result = InterpProcNR2(data, interp, result); + ApplyExtraData *extraPtr = data[0]; if (extraPtr->isRootEnsemble) { ((Interp *) interp)->ensembleRewrite.sourceObjs = NULL; @@ -2886,7 +2823,7 @@ MakeLambdaError( Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (lambda term \"%.*s%s\" line %d)", (overflow ? limit : nameLen), procName, - (overflow ? "..." : ""), interp->errorLine)); + (overflow ? "..." : ""), Tcl_GetErrorLine(interp))); } /* @@ -2909,16 +2846,21 @@ Tcl_DisassembleObjCmd( int objc, /* Number of arguments. */ Tcl_Obj *const objv[]) /* Argument objects. */ { - static const char *types[] = { - "lambda", "proc", "script", NULL + static const char *const types[] = { + "lambda", "method", "objmethod", "proc", "script", NULL }; enum Types { - DISAS_LAMBDA, DISAS_PROC, DISAS_SCRIPT + DISAS_LAMBDA, DISAS_CLASS_METHOD, DISAS_OBJECT_METHOD, DISAS_PROC, + DISAS_SCRIPT }; int idx, result; + Tcl_Obj *codeObjPtr = NULL; + Proc *procPtr = NULL; + Tcl_HashEntry *hPtr; + Object *oPtr; - if (objc != 3) { - Tcl_WrongNumArgs(interp, 1, objv, "type procName|lambdaTerm|script"); + if (objc < 2) { + Tcl_WrongNumArgs(interp, 1, objv, "type ..."); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], types, "type", 0, &idx)!=TCL_OK){ @@ -2927,7 +2869,6 @@ Tcl_DisassembleObjCmd( switch ((enum Types) idx) { case DISAS_LAMBDA: { - Proc *procPtr = NULL; Command cmd; Tcl_Obj *nsObjPtr; Tcl_Namespace *nsPtr; @@ -2936,6 +2877,10 @@ Tcl_DisassembleObjCmd( * Compile (if uncompiled) and disassemble a lambda term. */ + if (objc != 3) { + Tcl_WrongNumArgs(interp, 2, objv, "lambdaTerm"); + return TCL_ERROR; + } if (objv[2]->typePtr == &lambdaType) { procPtr = objv[2]->internalRep.twoPtrValue.ptr1; } @@ -2960,21 +2905,21 @@ Tcl_DisassembleObjCmd( return result; } TclPopStackFrame(interp); - if (((ByteCode *) procPtr->bodyPtr->internalRep.otherValuePtr)->flags - & TCL_BYTECODE_PRECOMPILED) { - Tcl_AppendResult(interp, "may not disassemble prebuilt bytecode", - NULL); - return TCL_ERROR; - } - Tcl_SetObjResult(interp, TclDisassembleByteCodeObj(procPtr->bodyPtr)); + codeObjPtr = procPtr->bodyPtr; break; } - case DISAS_PROC: { - Proc *procPtr = TclFindProc((Interp *) interp, TclGetString(objv[2])); + case DISAS_PROC: + if (objc != 3) { + Tcl_WrongNumArgs(interp, 2, objv, "procName"); + return TCL_ERROR; + } + procPtr = TclFindProc((Interp *) interp, TclGetString(objv[2])); if (procPtr == NULL) { - Tcl_AppendResult(interp, "\"", TclGetString(objv[2]), - "\" isn't a procedure", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" isn't a procedure", TclGetString(objv[2]))); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "PROC", + TclGetString(objv[2]), NULL); return TCL_ERROR; } @@ -2987,28 +2932,125 @@ Tcl_DisassembleObjCmd( return result; } TclPopStackFrame(interp); - if (((ByteCode *) procPtr->bodyPtr->internalRep.otherValuePtr)->flags - & TCL_BYTECODE_PRECOMPILED) { - Tcl_AppendResult(interp, "may not disassemble prebuilt bytecode", - NULL); - return TCL_ERROR; - } - Tcl_SetObjResult(interp, TclDisassembleByteCodeObj(procPtr->bodyPtr)); + codeObjPtr = procPtr->bodyPtr; break; - } case DISAS_SCRIPT: /* * Compile and disassemble a script. */ - if (objv[2]->typePtr != &tclByteCodeType) { - if (TclSetByteCodeFromAny(interp, objv[2], NULL, NULL) != TCL_OK){ - return TCL_ERROR; + if (objc != 3) { + Tcl_WrongNumArgs(interp, 2, objv, "script"); + return TCL_ERROR; + } + if ((objv[2]->typePtr != &tclByteCodeType) + && (TclSetByteCodeFromAny(interp, objv[2], NULL, NULL) != TCL_OK)) { + return TCL_ERROR; + } + codeObjPtr = objv[2]; + break; + + case DISAS_CLASS_METHOD: + if (objc != 4) { + Tcl_WrongNumArgs(interp, 2, objv, "className methodName"); + return TCL_ERROR; + } + + /* + * Look up the body of a class method. + */ + + oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[2]); + if (oPtr == NULL) { + return TCL_ERROR; + } + if (oPtr->classPtr == NULL) { + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" is not a class", TclGetString(objv[2]))); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "CLASS", + TclGetString(objv[2]), NULL); + return TCL_ERROR; + } + hPtr = Tcl_FindHashEntry(&oPtr->classPtr->classMethods, + (char *) objv[3]); + goto methodBody; + case DISAS_OBJECT_METHOD: + if (objc != 4) { + Tcl_WrongNumArgs(interp, 2, objv, "objectName methodName"); + return TCL_ERROR; + } + + /* + * Look up the body of an instance method. + */ + + oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[2]); + if (oPtr == NULL) { + return TCL_ERROR; + } + if (oPtr->methodsPtr == NULL) { + goto unknownMethod; + } + hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[3]); + + /* + * Compile (if necessary) and disassemble a method body. + */ + + methodBody: + if (hPtr == NULL) { + unknownMethod: + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "unknown method \"%s\"", TclGetString(objv[3]))); + Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", + TclGetString(objv[3]), NULL); + return TCL_ERROR; + } + procPtr = TclOOGetProcFromMethod(Tcl_GetHashValue(hPtr)); + if (procPtr == NULL) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "body not available for this kind of method", -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "DISASSEMBLE", + "METHODTYPE", NULL); + return TCL_ERROR; + } + if (procPtr->bodyPtr->typePtr != &tclByteCodeType) { + Command cmd; + + /* + * Yes, this is ugly, but we need to pass the namespace in to the + * compiler in two places. + */ + + cmd.nsPtr = (Namespace *) oPtr->namespacePtr; + procPtr->cmdPtr = &cmd; + result = TclProcCompileProc(interp, procPtr, procPtr->bodyPtr, + (Namespace *) oPtr->namespacePtr, "body of method", + TclGetString(objv[3])); + procPtr->cmdPtr = NULL; + if (result != TCL_OK) { + return result; } } - Tcl_SetObjResult(interp, TclDisassembleByteCodeObj(objv[2])); + codeObjPtr = procPtr->bodyPtr; break; + default: + CLANG_ASSERT(0); + } + + /* + * Do the actual disassembly. + */ + + if (((ByteCode *) codeObjPtr->internalRep.twoPtrValue.ptr1)->flags + & TCL_BYTECODE_PRECOMPILED) { + Tcl_SetObjResult(interp, Tcl_NewStringObj( + "may not disassemble prebuilt bytecode", -1)); + Tcl_SetErrorCode(interp, "TCL", "OPERATION", "DISASSEMBLE", + "BYTECODE", NULL); + return TCL_ERROR; } + Tcl_SetObjResult(interp, TclDisassembleByteCodeObj(codeObjPtr)); return TCL_OK; } |