hdf5.git - Mirror from: https://github.com/HDFGroup/hdf5.git

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Diffstat (limited to 'tools/h5repack/testh5repack_make.c')

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208

1 files changed, 104 insertions, 104 deletions

/* * tclOOMethod.c -- * * This file contains code to create and manage methods. * * Copyright (c) 2005-2011 by Donal K. Fellows * * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "tclInt.h" #include "tclOOInt.h" #include "tclCompile.h" /* * Structure used to help delay computing names of objects or classes for * [info frame] until needed, making invokation faster in the normal case. */ struct PNI { Tcl_Interp *interp; /* Interpreter in which to compute the name of * a method. */ Tcl_Method method; /* Method to compute the name of. */ }; /* * Structure used to contain all the information needed about a call frame * used in a procedure-like method. */ typedef struct { CallFrame *framePtr; /* Reference to the call frame itself (it's * actually allocated on the Tcl stack). */ ProcErrorProc *errProc; /* The error handler for the body. */ Tcl_Obj *nameObj; /* The "name" of the command. */ Command cmd; /* The command structure. Mostly bogus. */ ExtraFrameInfo efi; /* Extra information used for [info frame]. */ Command *oldCmdPtr; /* Saved cmdPtr so that we can be safe after a * recursive call returns. */ struct PNI pni; /* Specialist information used in the efi * field for this type of call. */ } PMFrameData; /* * Structure used to pass information about variable resolution to the * on-the-ground resolvers used when working with resolved compiled variables. */ typedef struct { Tcl_ResolvedVarInfo info; /* "Type" information so that the compiled * variable can be linked to the namespace * variable at the right time. */ Tcl_Obj *variableObj; /* The name of the variable. */ Tcl_Var cachedObjectVar; /* TODO: When to flush this cache? Can class * variables be cached? */ } OOResVarInfo; /* * Function declarations for things defined in this file. */ static Tcl_Obj ** InitEnsembleRewrite(Tcl_Interp *interp, int objc, Tcl_Obj *const *objv, int toRewrite, int rewriteLength, Tcl_Obj *const *rewriteObjs, int *lengthPtr); static int InvokeProcedureMethod(ClientData clientData, Tcl_Interp *interp, Tcl_ObjectContext context, int objc, Tcl_Obj *const *objv); static Tcl_NRPostProc FinalizeForwardCall; static Tcl_NRPostProc FinalizePMCall; static int PushMethodCallFrame(Tcl_Interp *interp, CallContext *contextPtr, ProcedureMethod *pmPtr, int objc, Tcl_Obj *const *objv, PMFrameData *fdPtr); static void DeleteProcedureMethodRecord(ProcedureMethod *pmPtr); static void DeleteProcedureMethod(ClientData clientData); static int CloneProcedureMethod(Tcl_Interp *interp, ClientData clientData, ClientData *newClientData); static void MethodErrorHandler(Tcl_Interp *interp, Tcl_Obj *procNameObj); static void ConstructorErrorHandler(Tcl_Interp *interp, Tcl_Obj *procNameObj); static void DestructorErrorHandler(Tcl_Interp *interp, Tcl_Obj *procNameObj); static Tcl_Obj * RenderDeclarerName(ClientData clientData); static int InvokeForwardMethod(ClientData clientData, Tcl_Interp *interp, Tcl_ObjectContext context, int objc, Tcl_Obj *const *objv); static void DeleteForwardMethod(ClientData clientData); static int CloneForwardMethod(Tcl_Interp *interp, ClientData clientData, ClientData *newClientData); static int ProcedureMethodVarResolver(Tcl_Interp *interp, const char *varName, Tcl_Namespace *contextNs, int flags, Tcl_Var *varPtr); static int ProcedureMethodCompiledVarResolver(Tcl_Interp *interp, const char *varName, int length, Tcl_Namespace *contextNs, Tcl_ResolvedVarInfo **rPtrPtr); /* * The types of methods defined by the core OO system. */ static const Tcl_MethodType procMethodType = { TCL_OO_METHOD_VERSION_CURRENT, "method", InvokeProcedureMethod, DeleteProcedureMethod, CloneProcedureMethod }; static const Tcl_MethodType fwdMethodType = { TCL_OO_METHOD_VERSION_CURRENT, "forward", InvokeForwardMethod, DeleteForwardMethod, CloneForwardMethod }; /* * Helper macros (derived from things private to tclVar.c) */ #define TclVarTable(contextNs) \ ((Tcl_HashTable *) (&((Namespace *) (contextNs))->varTable)) #define TclVarHashGetValue(hPtr) \ ((Tcl_Var) ((char *)hPtr - TclOffset(VarInHash, entry))) /* * ---------------------------------------------------------------------- * * Tcl_NewInstanceMethod -- * * Attach a method to an object instance. * * ---------------------------------------------------------------------- */ Tcl_Method Tcl_NewInstanceMethod( Tcl_Interp *interp, /* Unused? */ Tcl_Object object, /* The object that has the method attached to * it. */ Tcl_Obj *nameObj, /* The name of the method. May be NULL; if so, * up to caller to manage storage (e.g., when * it is a constructor or destructor). */ int flags, /* Whether this is a public method. */ const Tcl_MethodType *typePtr, /* The type of method this is, which defines * how to invoke, delete and clone the * method. */ ClientData clientData) /* Some data associated with the particular * method to be created. */ { register Object *oPtr = (Object *) object; register Method *mPtr; Tcl_HashEntry *hPtr; int isNew; if (nameObj == NULL) { mPtr = ckalloc(sizeof(Method)); mPtr->namePtr = NULL; mPtr->refCount = 1; goto populate; } if (!oPtr->methodsPtr) { oPtr->methodsPtr = ckalloc(sizeof(Tcl_HashTable)); Tcl_InitObjHashTable(oPtr->methodsPtr); oPtr->flags &= ~USE_CLASS_CACHE; } hPtr = Tcl_CreateHashEntry(oPtr->methodsPtr, (char *) nameObj, &isNew); if (isNew) { mPtr = ckalloc(sizeof(Method)); mPtr->namePtr = nameObj; mPtr->refCount = 1; Tcl_IncrRefCount(nameObj); Tcl_SetHashValue(hPtr, mPtr); } else { mPtr = Tcl_GetHashValue(hPtr); if (mPtr->typePtr != NULL && mPtr->typePtr->deleteProc != NULL) { mPtr->typePtr->deleteProc(mPtr->clientData); } } populate: mPtr->typePtr = typePtr; mPtr->clientData = clientData; mPtr->flags = 0; mPtr->declaringObjectPtr = oPtr; mPtr->declaringClassPtr = NULL; if (flags) { mPtr->flags |= flags & (PUBLIC_METHOD | PRIVATE_METHOD); } oPtr->epoch++; return (Tcl_Method) mPtr; } /* * ---------------------------------------------------------------------- * * Tcl_NewMethod -- * * Attach a method to a class. * * ---------------------------------------------------------------------- */ Tcl_Method Tcl_NewMethod( Tcl_Interp *interp, /* The interpreter containing the class. */ Tcl_Class cls, /* The class to attach the method to. */ Tcl_Obj *nameObj, /* The name of the object. May be NULL (e.g., * for constructors or destructors); if so, up * to caller to manage storage. */ int flags, /* Whether this is a public method. */ const Tcl_MethodType *typePtr, /* The type of method this is, which defines * how to invoke, delete and clone the * method. */ ClientData clientData) /* Some data associated with the particular * method to be created. */ { register Class *clsPtr = (Class *) cls; register Method *mPtr; Tcl_HashEntry *hPtr; int isNew; if (nameObj == NULL) { mPtr = ckalloc(sizeof(Method)); mPtr->namePtr = NULL; mPtr->refCount = 1; goto populate; } hPtr = Tcl_CreateHashEntry(&clsPtr->classMethods, (char *)nameObj,&isNew); if (isNew) { mPtr = ckalloc(sizeof(Method)); mPtr->refCount = 1; mPtr->namePtr = nameObj; Tcl_IncrRefCount(nameObj); Tcl_SetHashValue(hPtr, mPtr); } else { mPtr = Tcl_GetHashValue(hPtr); if (mPtr->typePtr != NULL && mPtr->typePtr->deleteProc != NULL) { mPtr->typePtr->deleteProc(mPtr->clientData); } } populate: clsPtr->thisPtr->fPtr->epoch++; mPtr->typePtr = typePtr; mPtr->clientData = clientData; mPtr->flags = 0; mPtr->declaringObjectPtr = NULL; mPtr->declaringClassPtr = clsPtr; if (flags) { mPtr->flags |= flags & (PUBLIC_METHOD | PRIVATE_METHOD); } return (Tcl_Method) mPtr; } /* * ---------------------------------------------------------------------- * * TclOODelMethodRef -- * * How to delete a method. * * ---------------------------------------------------------------------- */ void TclOODelMethodRef( Method *mPtr) { if ((mPtr != NULL) && (mPtr->refCount-- <= 1)) { if (mPtr->typePtr != NULL && mPtr->typePtr->deleteProc != NULL) { mPtr->typePtr->deleteProc(mPtr->clientData); } if (mPtr->namePtr != NULL) { Tcl_DecrRefCount(mPtr->namePtr); } ckfree(mPtr); } } /* * ---------------------------------------------------------------------- * * TclOONewBasicMethod -- * * Helper that makes it cleaner to create very simple methods during * basic system initialization. Not suitable for general use. * * ---------------------------------------------------------------------- */ void TclOONewBasicMethod( Tcl_Interp *interp, Class *clsPtr, /* Class to attach the method to. */ const DeclaredClassMethod *dcm) /* Name of the method, whether it is public, * and the function to implement it. */ { Tcl_Obj *namePtr = Tcl_NewStringObj(dcm->name, -1); Tcl_IncrRefCount(namePtr); Tcl_NewMethod(interp, (Tcl_Class) clsPtr, namePtr, (dcm->isPublic ? PUBLIC_METHOD : 0), &dcm->definition, NULL); Tcl_DecrRefCount(namePtr); } /* * ---------------------------------------------------------------------- * * TclOONewProcInstanceMethod -- * * Create a new procedure-like method for an object. * * ---------------------------------------------------------------------- */ Method * TclOONewProcInstanceMethod( Tcl_Interp *interp, /* The interpreter containing the object. */ Object *oPtr, /* The object to modify. */ int flags, /* Whether this is a public method. */ Tcl_Obj *nameObj, /* The name of the method, which must not be * NULL. */ Tcl_Obj *argsObj, /* The formal argument list for the method, * which must not be NULL. */ Tcl_Obj *bodyObj, /* The body of the method, which must not be * NULL. */ ProcedureMethod **pmPtrPtr) /* Place to write pointer to procedure method * structure to allow for deeper tuning of the * structure's contents. NULL if caller is not * interested. */ { int argsLen; register ProcedureMethod *pmPtr; Tcl_Method method; if (Tcl_ListObjLength(interp, argsObj, &argsLen) != TCL_OK) { return NULL; } pmPtr = ckalloc(sizeof(ProcedureMethod)); memset(pmPtr, 0, sizeof(ProcedureMethod)); pmPtr->version = TCLOO_PROCEDURE_METHOD_VERSION; pmPtr->flags = flags & USE_DECLARER_NS; pmPtr->refCount = 1; method = TclOOMakeProcInstanceMethod(interp, oPtr, flags, nameObj, argsObj, bodyObj, &procMethodType, pmPtr, &pmPtr->procPtr); if (method == NULL) { ckfree(pmPtr); } else if (pmPtrPtr != NULL) { *pmPtrPtr = pmPtr; } return (Method *) method; } /* * ---------------------------------------------------------------------- * * TclOONewProcMethod -- * * Create a new procedure-like method for a class. * * ---------------------------------------------------------------------- */ Method * TclOONewProcMethod( Tcl_Interp *interp, /* The interpreter containing the class. */ Class *clsPtr, /* The class to modify. */ int flags, /* Whether this is a public method. */ Tcl_Obj *nameObj, /* The name of the method, which may be NULL; * if so, up to caller to manage storage * (e.g., because it is a constructor or * destructor). */ Tcl_Obj *argsObj, /* The formal argument list for the method, * which may be NULL; if so, it is equivalent * to an empty list. */ Tcl_Obj *bodyObj, /* The body of the method, which must not be * NULL. */ ProcedureMethod **pmPtrPtr) /* Place to write pointer to procedure method * structure to allow for deeper tuning of the * structure's contents. NULL if caller is not * interested. */ { int argsLen; /* -1 => delete argsObj before exit */ register ProcedureMethod *pmPtr; const char *procName; Tcl_Method method; if (argsObj == NULL) { argsLen = -1; argsObj = Tcl_NewObj(); Tcl_IncrRefCount(argsObj); procName = "<destructor>"; } else if (Tcl_ListObjLength(interp, argsObj, &argsLen) != TCL_OK) { return NULL; } else { procName = (nameObj==NULL ? "<constructor>" : TclGetString(nameObj)); } pmPtr = ckalloc(sizeof(ProcedureMethod)); memset(pmPtr, 0, sizeof(ProcedureMethod)); pmPtr->version = TCLOO_PROCEDURE_METHOD_VERSION; pmPtr->flags = flags & USE_DECLARER_NS; pmPtr->refCount = 1; method = TclOOMakeProcMethod(interp, clsPtr, flags, nameObj, procName, argsObj, bodyObj, &procMethodType, pmPtr, &pmPtr->procPtr); if (argsLen == -1) { Tcl_DecrRefCount(argsObj); } if (method == NULL) { ckfree(pmPtr); } else if (pmPtrPtr != NULL) { *pmPtrPtr = pmPtr; } return (Method *) method; } /* * ---------------------------------------------------------------------- * * TclOOMakeProcInstanceMethod -- * * The guts of the code to make a procedure-like method for an object. * Split apart so that it is easier for other extensions to reuse (in * particular, it frees them from having to pry so deeply into Tcl's * guts). * * ---------------------------------------------------------------------- */ Tcl_Method TclOOMakeProcInstanceMethod( Tcl_Interp *interp, /* The interpreter containing the object. */ Object *oPtr, /* The object to modify. */ int flags, /* Whether this is a public method. */ Tcl_Obj *nameObj, /* The name of the method, which _must not_ be * NULL. */ Tcl_Obj *argsObj, /* The formal argument list for the method, * which _must not_ be NULL. */ Tcl_Obj *bodyObj, /* The body of the method, which _must not_ be * NULL. */ const Tcl_MethodType *typePtr, /* The type of the method to create. */ ClientData clientData, /* The per-method type-specific data. */ Proc **procPtrPtr) /* A pointer to the variable in which to write * the procedure record reference. Presumably * inside the structure indicated by the * pointer in clientData. */ { Interp *iPtr = (Interp *) interp; Proc *procPtr; if (TclCreateProc(interp, NULL, TclGetString(nameObj), argsObj, bodyObj, procPtrPtr) != TCL_OK) { return NULL; } procPtr = *procPtrPtr; procPtr->cmdPtr = NULL; if (iPtr->cmdFramePtr) { CmdFrame context = *iPtr->cmdFramePtr; if (context.type == TCL_LOCATION_BC) { /* * Retrieve source information from the bytecode, if possible. If * the information is retrieved successfully, context.type will be * TCL_LOCATION_SOURCE and the reference held by * context.data.eval.path will be counted. */ TclGetSrcInfoForPc(&context); } else if (context.type == TCL_LOCATION_SOURCE) { /* * The copy into 'context' up above has created another reference * to 'context.data.eval.path'; account for it. */ Tcl_IncrRefCount(context.data.eval.path); } if (context.type == TCL_LOCATION_SOURCE) { /* * We can account for source location within a proc only if the * proc body was not created by substitution. * (FIXME: check that this is sane and correct!) */ if (context.line && (context.nline >= 4) && (context.line[3] >= 0)) { int isNew; CmdFrame *cfPtr = ckalloc(sizeof(CmdFrame)); Tcl_HashEntry *hPtr; cfPtr->level = -1; cfPtr->type = context.type; cfPtr->line = ckalloc(sizeof(int)); cfPtr->line[0] = context.line[3]; cfPtr->nline = 1; cfPtr->framePtr = NULL; cfPtr->nextPtr = NULL; cfPtr->data.eval.path = context.data.eval.path; Tcl_IncrRefCount(cfPtr->data.eval.path); cfPtr->cmd = NULL; cfPtr->len = 0; hPtr = Tcl_CreateHashEntry(iPtr->linePBodyPtr, (char *) procPtr, &isNew); Tcl_SetHashValue(hPtr, cfPtr); } /* * 'context' is going out of scope; account for the reference that * it's holding to the path name. */ Tcl_DecrRefCount(context.data.eval.path); context.data.eval.path = NULL; } } return Tcl_NewInstanceMethod(interp, (Tcl_Object) oPtr, nameObj, flags, typePtr, clientData); } /* * ---------------------------------------------------------------------- * * TclOOMakeProcMethod -- * * The guts of the code to make a procedure-like method for a class. * Split apart so that it is easier for other extensions to reuse (in * particular, it frees them from having to pry so deeply into Tcl's * guts). * * ---------------------------------------------------------------------- */ Tcl_Method TclOOMakeProcMethod( Tcl_Interp *interp, /* The interpreter containing the class. */ Class *clsPtr, /* The class to modify. */ int flags, /* Whether this is a public method. */ Tcl_Obj *nameObj, /* The name of the method, which may be NULL; * if so, up to caller to manage storage * (e.g., because it is a constructor or * destructor). */ const char *namePtr, /* The name of the method as a string, which * _must not_ be NULL. */ Tcl_Obj *argsObj, /* The formal argument list for the method, * which _must not_ be NULL. */ Tcl_Obj *bodyObj, /* The body of the method, which _must not_ be * NULL. */ const Tcl_MethodType *typePtr, /* The type of the method to create. */ ClientData clientData, /* The per-method type-specific data. */ Proc **procPtrPtr) /* A pointer to the variable in which to write * the procedure record reference. Presumably * inside the structure indicated by the * pointer in clientData. */ { Interp *iPtr = (Interp *) interp; Proc *procPtr; if (TclCreateProc(interp, NULL, namePtr, argsObj, bodyObj, procPtrPtr) != TCL_OK) { return NULL; } procPtr = *procPtrPtr; procPtr->cmdPtr = NULL; if (iPtr->cmdFramePtr) { CmdFrame context = *iPtr->cmdFramePtr; if (context.type == TCL_LOCATION_BC) { /* * Retrieve source information from the bytecode, if possible. If * the information is retrieved successfully, context.type will be * TCL_LOCATION_SOURCE and the reference held by * context.data.eval.path will be counted. */ TclGetSrcInfoForPc(&context); } else if (context.type == TCL_LOCATION_SOURCE) { /* * The copy into 'context' up above has created another reference * to 'context.data.eval.path'; account for it. */ Tcl_IncrRefCount(context.data.eval.path); } if (context.type == TCL_LOCATION_SOURCE) { /* * We can account for source location within a proc only if the * proc body was not created by substitution. * (FIXME: check that this is sane and correct!) */ if (context.line && (context.nline >= 4) && (context.line[3] >= 0)) { int isNew; CmdFrame *cfPtr = ckalloc(sizeof(CmdFrame)); Tcl_HashEntry *hPtr; cfPtr->level = -1; cfPtr->type = context.type; cfPtr->line = ckalloc(sizeof(int)); cfPtr->line[0] = context.line[3]; cfPtr->nline = 1; cfPtr->framePtr = NULL; cfPtr->nextPtr = NULL; cfPtr->data.eval.path = context.data.eval.path; Tcl_IncrRefCount(cfPtr->data.eval.path); cfPtr->cmd = NULL; cfPtr->len = 0; hPtr = Tcl_CreateHashEntry(iPtr->linePBodyPtr, (char *) procPtr, &isNew); Tcl_SetHashValue(hPtr, cfPtr); } /* * 'context' is going out of scope; account for the reference that * it's holding to the path name. */ Tcl_DecrRefCount(context.data.eval.path); context.data.eval.path = NULL; } } return Tcl_NewMethod(interp, (Tcl_Class) clsPtr, nameObj, flags, typePtr, clientData); } /* * ---------------------------------------------------------------------- * * InvokeProcedureMethod, PushMethodCallFrame -- * * How to invoke a procedure-like method. * * ---------------------------------------------------------------------- */ static int InvokeProcedureMethod( ClientData clientData, /* Pointer to some per-method context. */ Tcl_Interp *interp, Tcl_ObjectContext context, /* The method calling context. */ int objc, /* Number of arguments. */ Tcl_Obj *const *objv) /* Arguments as actually seen. */ { ProcedureMethod *pmPtr = clientData; int result; PMFrameData *fdPtr; /* Important data that has to have a lifetime * matched by this function (or rather, by the * call frame's lifetime). */ /* * If the interpreter was deleted, we just skip to the next thing in the * chain. */ if (Tcl_InterpDeleted(interp)) { return TclNRObjectContextInvokeNext(interp, context, objc, objv, Tcl_ObjectContextSkippedArgs(context)); } /* * Allocate the special frame data. */ fdPtr = TclStackAlloc(interp, sizeof(PMFrameData)); /* * Create a call frame for this method. */ result = PushMethodCallFrame(interp, (CallContext *) context, pmPtr, objc, objv, fdPtr); if (result != TCL_OK) { TclStackFree(interp, fdPtr); return result; } pmPtr->refCount++; /* * Give the pre-call callback a chance to do some setup and, possibly, * veto the call. */ if (pmPtr->preCallProc != NULL) { int isFinished; result = pmPtr->preCallProc(pmPtr->clientData, interp, context, (Tcl_CallFrame *) fdPtr->framePtr, &isFinished); if (isFinished || result != TCL_OK) { /* * Restore the old cmdPtr so that a subsequent use of [info frame] * won't crash on us. [Bug 3001438] */ pmPtr->procPtr->cmdPtr = fdPtr->oldCmdPtr; Tcl_PopCallFrame(interp); TclStackFree(interp, fdPtr->framePtr); if (pmPtr->refCount-- <= 1) { DeleteProcedureMethodRecord(pmPtr); } TclStackFree(interp, fdPtr); return result; } } /* * Now invoke the body of the method. */ TclNRAddCallback(interp, FinalizePMCall, pmPtr, context, fdPtr, NULL); return TclNRInterpProcCore(interp, fdPtr->nameObj, Tcl_ObjectContextSkippedArgs(context), fdPtr->errProc); } static int FinalizePMCall( ClientData data[], Tcl_Interp *interp, int result) { ProcedureMethod *pmPtr = data[0]; Tcl_ObjectContext context = data[1]; PMFrameData *fdPtr = data[2]; /* * Give the post-call callback a chance to do some cleanup. Note that at * this point the call frame itself is invalid; it's already been popped. */ if (pmPtr->postCallProc) { result = pmPtr->postCallProc(pmPtr->clientData, interp, context, Tcl_GetObjectNamespace(Tcl_ObjectContextObject(context)), result); } /* * Restore the old cmdPtr so that a subsequent use of [info frame] won't * crash on us. [Bug 3001438] */ pmPtr->procPtr->cmdPtr = fdPtr->oldCmdPtr; /* * Scrap the special frame data now that we're done with it. Note that we * are inlining DeleteProcedureMethod() here; this location is highly * sensitive when it comes to performance! */ if (pmPtr->refCount-- <= 1) { DeleteProcedureMethodRecord(pmPtr); } TclStackFree(interp, fdPtr); return result; } static int PushMethodCallFrame( Tcl_Interp *interp, /* Current interpreter. */ CallContext *contextPtr, /* Current method call context. */ ProcedureMethod *pmPtr, /* Information about this procedure-like * method. */ int objc, /* Number of arguments. */ Tcl_Obj *const *objv, /* Array of arguments. */ PMFrameData *fdPtr) /* Place to store information about the call * frame. */ { Namespace *nsPtr = (Namespace *) contextPtr->oPtr->namespacePtr; register int result; const char *namePtr; CallFrame **framePtrPtr = &fdPtr->framePtr; /* * Compute basic information on the basis of the type of method it is. */ if (contextPtr->callPtr->flags & CONSTRUCTOR) { namePtr = "<constructor>"; fdPtr->nameObj = contextPtr->oPtr->fPtr->constructorName; fdPtr->errProc = ConstructorErrorHandler; } else if (contextPtr->callPtr->flags & DESTRUCTOR) { namePtr = "<destructor>"; fdPtr->nameObj = contextPtr->oPtr->fPtr->destructorName; fdPtr->errProc = DestructorErrorHandler; } else { fdPtr->nameObj = Tcl_MethodName( Tcl_ObjectContextMethod((Tcl_ObjectContext) contextPtr)); namePtr = TclGetString(fdPtr->nameObj); fdPtr->errProc = MethodErrorHandler; } if (pmPtr->errProc != NULL) { fdPtr->errProc = pmPtr->errProc; } /* * Magic to enable things like [incr Tcl], which wants methods to run in * their class's namespace. */ if (pmPtr->flags & USE_DECLARER_NS) { register Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr; if (mPtr->declaringClassPtr != NULL) { nsPtr = (Namespace *) mPtr->declaringClassPtr->thisPtr->namespacePtr; } else { nsPtr = (Namespace *) mPtr->declaringObjectPtr->namespacePtr; } } /* * Save the old cmdPtr so that when this recursive call returns, we can * restore it. To do otherwise causes crashes in [info frame] after we * return from a recursive call. [Bug 3001438] */ fdPtr->oldCmdPtr = pmPtr->procPtr->cmdPtr; /* * Compile the body. This operation may fail. */ fdPtr->efi.length = 2; memset(&fdPtr->cmd, 0, sizeof(Command)); fdPtr->cmd.nsPtr = nsPtr; fdPtr->cmd.clientData = &fdPtr->efi; pmPtr->procPtr->cmdPtr = &fdPtr->cmd; /* * [Bug 2037727] Always call TclProcCompileProc so that we check not only * that we have bytecode, but also that it remains valid. Note that we set * the namespace of the code here directly; this is a hack, but the * alternative is *so* slow... */ if (pmPtr->procPtr->bodyPtr->typePtr == &tclByteCodeType) { ByteCode *codePtr = pmPtr->procPtr->bodyPtr->internalRep.twoPtrValue.ptr1; codePtr->nsPtr = nsPtr; } result = TclProcCompileProc(interp, pmPtr->procPtr, pmPtr->procPtr->bodyPtr, nsPtr, "body of method", namePtr); if (result != TCL_OK) { goto failureReturn; } /* * Make the stack frame and fill it out with information about this call. * This operation may fail. */ (void) TclPushStackFrame(interp, (Tcl_CallFrame **) framePtrPtr, (Tcl_Namespace *) nsPtr, FRAME_IS_PROC|FRAME_IS_METHOD); fdPtr->framePtr->clientData = contextPtr; fdPtr->framePtr->objc = objc; fdPtr->framePtr->objv = objv; fdPtr->framePtr->procPtr = pmPtr->procPtr; /* * Finish filling out the extra frame info so that [info frame] works. */ fdPtr->efi.fields[0].name = "method"; fdPtr->efi.fields[0].proc = NULL; fdPtr->efi.fields[0].clientData = fdPtr->nameObj; if (pmPtr->gfivProc != NULL) { fdPtr->efi.fields[1].name = ""; fdPtr->efi.fields[1].proc = pmPtr->gfivProc; fdPtr->efi.fields[1].clientData = pmPtr; } else { register Tcl_Method method = Tcl_ObjectContextMethod((Tcl_ObjectContext) contextPtr); if (Tcl_MethodDeclarerObject(method) != NULL) { fdPtr->efi.fields[1].name = "object"; } else { fdPtr->efi.fields[1].name = "class"; } fdPtr->efi.fields[1].proc = RenderDeclarerName; fdPtr->efi.fields[1].clientData = &fdPtr->pni; fdPtr->pni.interp = interp; fdPtr->pni.method = method; } return TCL_OK; /* * Restore the old cmdPtr so that a subsequent use of [info frame] won't * crash on us. [Bug 3001438] */ failureReturn: pmPtr->procPtr->cmdPtr = fdPtr->oldCmdPtr; return result; } /* * ---------------------------------------------------------------------- * * TclOOSetupVariableResolver, etc. -- * * Variable resolution engine used to connect declared variables to local * variables used in methods. The compiled variable resolver is more * important, but both are needed as it is possible to have a variable * that is only referred to in ways that aren't compilable and we can't * force LVT presence. [TIP #320] * * ---------------------------------------------------------------------- */ void TclOOSetupVariableResolver( Tcl_Namespace *nsPtr) { Tcl_ResolverInfo info; Tcl_GetNamespaceResolvers(nsPtr, &info); if (info.compiledVarResProc == NULL) { Tcl_SetNamespaceResolvers(nsPtr, NULL, ProcedureMethodVarResolver, ProcedureMethodCompiledVarResolver); } } static int ProcedureMethodVarResolver( Tcl_Interp *interp, const char *varName, Tcl_Namespace *contextNs, int flags, Tcl_Var *varPtr) { int result; Tcl_ResolvedVarInfo *rPtr = NULL; result = ProcedureMethodCompiledVarResolver(interp, varName, strlen(varName), contextNs, &rPtr); if (result != TCL_OK) { return result; } *varPtr = rPtr->fetchProc(interp, rPtr); /* * Must not retain reference to resolved information. [Bug 3105999] */ if (rPtr != NULL) { rPtr->deleteProc(rPtr); } return (*varPtr? TCL_OK : TCL_CONTINUE); } static Tcl_Var ProcedureMethodCompiledVarConnect( Tcl_Interp *interp, Tcl_ResolvedVarInfo *rPtr) { OOResVarInfo *infoPtr = (OOResVarInfo *) rPtr; Interp *iPtr = (Interp *) interp; CallFrame *framePtr = iPtr->varFramePtr; CallContext *contextPtr; Tcl_Obj *variableObj; Tcl_HashEntry *hPtr; int i, isNew, cacheIt, varLen, len; const char *match, *varName; /* * Check that the variable is being requested in a context that is also a * method call; if not (i.e. we're evaluating in the object's namespace or * in a procedure of that namespace) then we do nothing. */ if (framePtr == NULL || !(framePtr->isProcCallFrame & FRAME_IS_METHOD)) { return NULL; } contextPtr = framePtr->clientData; /* * If we've done the work before (in a comparable context) then reuse that * rather than performing resolution ourselves. */ if (infoPtr->cachedObjectVar) { return infoPtr->cachedObjectVar; } /* * Check if the variable is one we want to resolve at all (i.e. whether it * is in the list provided by the user). If not, we mustn't do anything * either. */ varName = TclGetStringFromObj(infoPtr->variableObj, &varLen); if (contextPtr->callPtr->chain[contextPtr->index] .mPtr->declaringClassPtr != NULL) { FOREACH(variableObj, contextPtr->callPtr->chain[contextPtr->index] .mPtr->declaringClassPtr->variables) { match = TclGetStringFromObj(variableObj, &len); if ((len == varLen) && !memcmp(match, varName, len)) { cacheIt = 0; goto gotMatch; } } } else { FOREACH(variableObj, contextPtr->oPtr->variables) { match = TclGetStringFromObj(variableObj, &len); if ((len == varLen) && !memcmp(match, varName, len)) { cacheIt = 1; goto gotMatch; } } } return NULL; /* * It is a variable we want to resolve, so resolve it. */ gotMatch: hPtr = Tcl_CreateHashEntry(TclVarTable(contextPtr->oPtr->namespacePtr), (char *) variableObj, &isNew); if (isNew) { TclSetVarNamespaceVar((Var *) TclVarHashGetValue(hPtr)); } if (cacheIt) { infoPtr->cachedObjectVar = TclVarHashGetValue(hPtr); /* * We must keep a reference to the variable so everything will * continue to work correctly even if it is unset; being unset does * not end the life of the variable at this level. [Bug 3185009] */ VarHashRefCount(infoPtr->cachedObjectVar)++; } return TclVarHashGetValue(hPtr); } static void ProcedureMethodCompiledVarDelete( Tcl_ResolvedVarInfo *rPtr) { OOResVarInfo *infoPtr = (OOResVarInfo *) rPtr; /* * Release the reference to the variable if we were holding it. */ if (infoPtr->cachedObjectVar) { VarHashRefCount(infoPtr->cachedObjectVar)--; TclCleanupVar((Var *) infoPtr->cachedObjectVar, NULL); } Tcl_DecrRefCount(infoPtr->variableObj); ckfree(infoPtr); } static int ProcedureMethodCompiledVarResolver( Tcl_Interp *interp, const char *varName, int length, Tcl_Namespace *contextNs, Tcl_ResolvedVarInfo **rPtrPtr) { OOResVarInfo *infoPtr; Tcl_Obj *variableObj = Tcl_NewStringObj(varName, length); /* * Do not create resolvers for cases that contain namespace separators or * which look like array accesses. Both will lead us astray. */ if (strstr(Tcl_GetString(variableObj), "::") != NULL || Tcl_StringMatch(Tcl_GetString(variableObj), "*(*)")) { Tcl_DecrRefCount(variableObj); return TCL_CONTINUE; } infoPtr = ckalloc(sizeof(OOResVarInfo)); infoPtr->info.fetchProc = ProcedureMethodCompiledVarConnect; infoPtr->info.deleteProc = ProcedureMethodCompiledVarDelete; infoPtr->cachedObjectVar = NULL; infoPtr->variableObj = variableObj; Tcl_IncrRefCount(variableObj); *rPtrPtr = &infoPtr->info; return TCL_OK; } /* * ---------------------------------------------------------------------- * * RenderDeclarerName -- * * Returns the name of the entity (object or class) which declared a * method. Used for producing information for [info frame] in such a way * that the expensive part of this (generating the object or class name * itself) isn't done until it is needed. * * ---------------------------------------------------------------------- */ static Tcl_Obj * RenderDeclarerName( ClientData clientData) { struct PNI *pni = clientData; Tcl_Object object = Tcl_MethodDeclarerObject(pni->method); if (object == NULL) { object = Tcl_GetClassAsObject(Tcl_MethodDeclarerClass(pni->method)); } return TclOOObjectName(pni->interp, (Object *) object); } /* * ---------------------------------------------------------------------- * * MethodErrorHandler, ConstructorErrorHandler, DestructorErrorHandler -- * * How to fill in the stack trace correctly upon error in various forms * of procedure-like methods. LIMIT is how long the inserted strings in * the error traces should get before being converted to have ellipses, * and ELLIPSIFY is a macro to do the conversion (with the help of a * %.*s%s format field). Note that ELLIPSIFY is only safe for use in * suitable formatting contexts. * * ---------------------------------------------------------------------- */ #define LIMIT 60 #define ELLIPSIFY(str,len) \ ((len) > LIMIT ? LIMIT : (len)), (str), ((len) > LIMIT ? "..." : "") static void MethodErrorHandler( Tcl_Interp *interp, Tcl_Obj *methodNameObj) { int nameLen, objectNameLen; CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData; Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr; const char *objectName, *kindName, *methodName = TclGetStringFromObj(mPtr->namePtr, &nameLen); Object *declarerPtr; if (mPtr->declaringObjectPtr != NULL) { declarerPtr = mPtr->declaringObjectPtr; kindName = "object"; } else { if (mPtr->declaringClassPtr == NULL) { Tcl_Panic("method not declared in class or object"); } declarerPtr = mPtr->declaringClassPtr->thisPtr; kindName = "class"; } objectName = Tcl_GetStringFromObj(TclOOObjectName(interp, declarerPtr), &objectNameLen); Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (%s \"%.*s%s\" method \"%.*s%s\" line %d)", kindName, ELLIPSIFY(objectName, objectNameLen), ELLIPSIFY(methodName, nameLen), Tcl_GetErrorLine(interp))); } static void ConstructorErrorHandler( Tcl_Interp *interp, Tcl_Obj *methodNameObj) { CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData; Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr; Object *declarerPtr; const char *objectName, *kindName; int objectNameLen; if (mPtr->declaringObjectPtr != NULL) { declarerPtr = mPtr->declaringObjectPtr; kindName = "object"; } else { if (mPtr->declaringClassPtr == NULL) { Tcl_Panic("method not declared in class or object"); } declarerPtr = mPtr->declaringClassPtr->thisPtr; kindName = "class"; } objectName = Tcl_GetStringFromObj(TclOOObjectName(interp, declarerPtr), &objectNameLen); Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (%s \"%.*s%s\" constructor line %d)", kindName, ELLIPSIFY(objectName, objectNameLen), Tcl_GetErrorLine(interp))); } static void DestructorErrorHandler( Tcl_Interp *interp, Tcl_Obj *methodNameObj) { CallContext *contextPtr = ((Interp *) interp)->varFramePtr->clientData; Method *mPtr = contextPtr->callPtr->chain[contextPtr->index].mPtr; Object *declarerPtr; const char *objectName, *kindName; int objectNameLen; if (mPtr->declaringObjectPtr != NULL) { declarerPtr = mPtr->declaringObjectPtr; kindName = "object"; } else { if (mPtr->declaringClassPtr == NULL) { Tcl_Panic("method not declared in class or object"); } declarerPtr = mPtr->declaringClassPtr->thisPtr; kindName = "class"; } objectName = Tcl_GetStringFromObj(TclOOObjectName(interp, declarerPtr), &objectNameLen); Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf( "\n (%s \"%.*s%s\" destructor line %d)", kindName, ELLIPSIFY(objectName, objectNameLen), Tcl_GetErrorLine(interp))); } /* * ---------------------------------------------------------------------- * * DeleteProcedureMethod, CloneProcedureMethod -- * * How to delete and clone procedure-like methods. * * ---------------------------------------------------------------------- */ static void DeleteProcedureMethodRecord( ProcedureMethod *pmPtr) { TclProcDeleteProc(pmPtr->procPtr); if (pmPtr->deleteClientdataProc) { pmPtr->deleteClientdataProc(pmPtr->clientData); } ckfree(pmPtr); } static void DeleteProcedureMethod( ClientData clientData) { register ProcedureMethod *pmPtr = clientData; if (pmPtr->refCount-- <= 1) { DeleteProcedureMethodRecord(pmPtr); } } static int CloneProcedureMethod( Tcl_Interp *interp, ClientData clientData, ClientData *newClientData) { ProcedureMethod *pmPtr = clientData; ProcedureMethod *pm2Ptr; Tcl_Obj *bodyObj, *argsObj; CompiledLocal *localPtr; /* * Copy the argument list. */ argsObj = Tcl_NewObj(); for (localPtr=pmPtr->procPtr->firstLocalPtr; localPtr!=NULL; localPtr=localPtr->nextPtr) { if (TclIsVarArgument(localPtr)) { Tcl_Obj *argObj = Tcl_NewObj(); Tcl_ListObjAppendElement(NULL, argObj, Tcl_NewStringObj(localPtr->name, -1)); if (localPtr->defValuePtr != NULL) { Tcl_ListObjAppendElement(NULL, argObj, localPtr->defValuePtr); } Tcl_ListObjAppendElement(NULL, argsObj, argObj); } } /* * Must strip the internal representation in order to ensure that any * bound references to instance variables are removed. [Bug 3609693] */ bodyObj = Tcl_DuplicateObj(pmPtr->procPtr->bodyPtr); TclFreeIntRep(bodyObj); /* * Create the actual copy of the method record, manufacturing a new proc * record. */ pm2Ptr = ckalloc(sizeof(ProcedureMethod)); memcpy(pm2Ptr, pmPtr, sizeof(ProcedureMethod)); pm2Ptr->refCount = 1; Tcl_IncrRefCount(argsObj); Tcl_IncrRefCount(bodyObj); if (TclCreateProc(interp, NULL, "", argsObj, bodyObj, &pm2Ptr->procPtr) != TCL_OK) { Tcl_DecrRefCount(argsObj); Tcl_DecrRefCount(bodyObj); ckfree(pm2Ptr); return TCL_ERROR; } Tcl_DecrRefCount(argsObj); Tcl_DecrRefCount(bodyObj); if (pmPtr->cloneClientdataProc) { pm2Ptr->clientData = pmPtr->cloneClientdataProc(pmPtr->clientData); } *newClientData = pm2Ptr; return TCL_OK; } /* * ---------------------------------------------------------------------- * * TclOONewForwardInstanceMethod -- * * Create a forwarded method for an object. * * ---------------------------------------------------------------------- */ Method * TclOONewForwardInstanceMethod( Tcl_Interp *interp, /* Interpreter for error reporting. */ Object *oPtr, /* The object to attach the method to. */ int flags, /* Whether the method is public or not. */ Tcl_Obj *nameObj, /* The name of the method. */ Tcl_Obj *prefixObj) /* List of arguments that form the command * prefix to forward to. */ { int prefixLen; register ForwardMethod *fmPtr; if (Tcl_ListObjLength(interp, prefixObj, &prefixLen) != TCL_OK) { return NULL; } if (prefixLen < 1) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "method forward prefix must be non-empty", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "BAD_FORWARD", NULL); return NULL; } fmPtr = ckalloc(sizeof(ForwardMethod)); fmPtr->prefixObj = prefixObj; Tcl_IncrRefCount(prefixObj); return (Method *) Tcl_NewInstanceMethod(interp, (Tcl_Object) oPtr, nameObj, flags, &fwdMethodType, fmPtr); } /* * ---------------------------------------------------------------------- * * TclOONewForwardMethod -- * * Create a new forwarded method for a class. * * ---------------------------------------------------------------------- */ Method * TclOONewForwardMethod( Tcl_Interp *interp, /* Interpreter for error reporting. */ Class *clsPtr, /* The class to attach the method to. */ int flags, /* Whether the method is public or not. */ Tcl_Obj *nameObj, /* The name of the method. */ Tcl_Obj *prefixObj) /* List of arguments that form the command * prefix to forward to. */ { int prefixLen; register ForwardMethod *fmPtr; if (Tcl_ListObjLength(interp, prefixObj, &prefixLen) != TCL_OK) { return NULL; } if (prefixLen < 1) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "method forward prefix must be non-empty", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "BAD_FORWARD", NULL); return NULL; } fmPtr = ckalloc(sizeof(ForwardMethod)); fmPtr->prefixObj = prefixObj; Tcl_IncrRefCount(prefixObj); return (Method *) Tcl_NewMethod(interp, (Tcl_Class) clsPtr, nameObj, flags, &fwdMethodType, fmPtr); } /* * ---------------------------------------------------------------------- * * InvokeForwardMethod -- * * How to invoke a forwarded method. Works by doing some ensemble-like * command rearranging and then invokes some other Tcl command. * * ---------------------------------------------------------------------- */ static int InvokeForwardMethod( ClientData clientData, /* Pointer to some per-method context. */ Tcl_Interp *interp, Tcl_ObjectContext context, /* The method calling context. */ int objc, /* Number of arguments. */ Tcl_Obj *const *objv) /* Arguments as actually seen. */ { CallContext *contextPtr = (CallContext *) context; ForwardMethod *fmPtr = clientData; Tcl_Obj **argObjs, **prefixObjs; int numPrefixes, len, skip = contextPtr->skip; /* * Build the real list of arguments to use. Note that we know that the * prefixObj field of the ForwardMethod structure holds a reference to a * non-empty list, so there's a whole class of failures ("not a list") we * can ignore here. */ Tcl_ListObjGetElements(NULL, fmPtr->prefixObj, &numPrefixes, &prefixObjs); argObjs = InitEnsembleRewrite(interp, objc, objv, skip, numPrefixes, prefixObjs, &len); Tcl_NRAddCallback(interp, FinalizeForwardCall, argObjs, NULL, NULL, NULL); /* * NOTE: The combination of direct set of iPtr->lookupNsPtr and the use * of the TCL_EVAL_NOERR flag results in an evaluation configuration * very much like TCL_EVAL_INVOKE. */ ((Interp *)interp)->lookupNsPtr = (Namespace *) contextPtr->oPtr->namespacePtr; return TclNREvalObjv(interp, len, argObjs, TCL_EVAL_NOERR, NULL); } static int FinalizeForwardCall( ClientData data[], Tcl_Interp *interp, int result) { Tcl_Obj **argObjs = data[0]; TclStackFree(interp, argObjs); return result; } /* * ---------------------------------------------------------------------- * * DeleteForwardMethod, CloneForwardMethod -- * * How to delete and clone forwarded methods. * * ---------------------------------------------------------------------- */ static void DeleteForwardMethod( ClientData clientData) { ForwardMethod *fmPtr = clientData; Tcl_DecrRefCount(fmPtr->prefixObj); ckfree(fmPtr); } static int CloneForwardMethod( Tcl_Interp *interp, ClientData clientData, ClientData *newClientData) { ForwardMethod *fmPtr = clientData; ForwardMethod *fm2Ptr = ckalloc(sizeof(ForwardMethod)); fm2Ptr->prefixObj = fmPtr->prefixObj; Tcl_IncrRefCount(fm2Ptr->prefixObj); *newClientData = fm2Ptr; return TCL_OK; } /* * ---------------------------------------------------------------------- * * TclOOGetProcFromMethod, TclOOGetFwdFromMethod -- * * Utility functions used for procedure-like and forwarding method * introspection. * * ---------------------------------------------------------------------- */ Proc * TclOOGetProcFromMethod( Method *mPtr) { if (mPtr->typePtr == &procMethodType) { ProcedureMethod *pmPtr = mPtr->clientData; return pmPtr->procPtr; } return NULL; } Tcl_Obj * TclOOGetMethodBody( Method *mPtr) { if (mPtr->typePtr == &procMethodType) { ProcedureMethod *pmPtr = mPtr->clientData; if (pmPtr->procPtr->bodyPtr->bytes == NULL) { (void) Tcl_GetString(pmPtr->procPtr->bodyPtr); } return pmPtr->procPtr->bodyPtr; } return NULL; } Tcl_Obj * TclOOGetFwdFromMethod( Method *mPtr) { if (mPtr->typePtr == &fwdMethodType) { ForwardMethod *fwPtr = mPtr->clientData; return fwPtr->prefixObj; } return NULL; } /* * ---------------------------------------------------------------------- * * InitEnsembleRewrite -- * * Utility function that wraps up a lot of the complexity involved in * doing ensemble-like command forwarding. Here is a picture of memory * management plan: * * <-----------------objc----------------------> * objv: |=============|===============================| * <-toRewrite-> | * \ * <-rewriteLength-> \ * rewriteObjs: |=================| \ * | | * V V * argObjs: |=================|===============================| * <------------------*lengthPtr-------------------> * * ---------------------------------------------------------------------- */ static Tcl_Obj ** InitEnsembleRewrite( Tcl_Interp *interp, /* Place to log the rewrite info. */ int objc, /* Number of real arguments. */ Tcl_Obj *const *objv, /* The real arguments. */ int toRewrite, /* Number of real arguments to replace. */ int rewriteLength, /* Number of arguments to insert instead. */ Tcl_Obj *const *rewriteObjs,/* Arguments to insert instead. */ int *lengthPtr) /* Where to write the resulting length of the * array of rewritten arguments. */ { unsigned len = rewriteLength + objc - toRewrite; Tcl_Obj **argObjs = TclStackAlloc(interp, sizeof(Tcl_Obj *) * len); memcpy(argObjs, rewriteObjs, rewriteLength * sizeof(Tcl_Obj *)); memcpy(argObjs + rewriteLength, objv + toRewrite, sizeof(Tcl_Obj *) * (objc - toRewrite)); /* * Now plumb this into the core ensemble rewrite logging system so that * Tcl_WrongNumArgs() can rewrite its result appropriately. The rules for * how to store the rewrite rules get complex solely because of the case * where an ensemble rewrites itself out of the picture; when that * happens, the quality of the error message rewrite falls drastically * (and unavoidably). */ if (TclInitRewriteEnsemble(interp, toRewrite, rewriteLength, objv)) { TclNRAddCallback(interp, TclClearRootEnsemble, NULL, NULL, NULL, NULL); } *lengthPtr = len; return argObjs; } /* * ---------------------------------------------------------------------- * * assorted trivial 'getter' functions * * ---------------------------------------------------------------------- */ Tcl_Object Tcl_MethodDeclarerObject( Tcl_Method method) { return (Tcl_Object) ((Method *) method)->declaringObjectPtr; } Tcl_Class Tcl_MethodDeclarerClass( Tcl_Method method) { return (Tcl_Class) ((Method *) method)->declaringClassPtr; } Tcl_Obj * Tcl_MethodName( Tcl_Method method) { return ((Method *) method)->namePtr; } int Tcl_MethodIsType( Tcl_Method method, const Tcl_MethodType *typePtr, ClientData *clientDataPtr) { Method *mPtr = (Method *) method; if (mPtr->typePtr == typePtr) { if (clientDataPtr != NULL) { *clientDataPtr = mPtr->clientData; } return 1; } return 0; } int Tcl_MethodIsPublic( Tcl_Method method) { return (((Method *)method)->flags & PUBLIC_METHOD) ? 1 : 0; } /* * Extended method construction for itcl-ng. */ Tcl_Method TclOONewProcInstanceMethodEx( Tcl_Interp *interp, /* The interpreter containing the object. */ Tcl_Object oPtr, /* The object to modify. */ TclOO_PreCallProc *preCallPtr, TclOO_PostCallProc *postCallPtr, ProcErrorProc *errProc, ClientData clientData, Tcl_Obj *nameObj, /* The name of the method, which must not be * NULL. */ Tcl_Obj *argsObj, /* The formal argument list for the method, * which must not be NULL. */ Tcl_Obj *bodyObj, /* The body of the method, which must not be * NULL. */ int flags, /* Whether this is a public method. */ void **internalTokenPtr) /* If non-NULL, points to a variable that gets * the reference to the ProcedureMethod * structure. */ { ProcedureMethod *pmPtr; Tcl_Method method = (Tcl_Method) TclOONewProcInstanceMethod(interp, (Object *) oPtr, flags, nameObj, argsObj, bodyObj, &pmPtr); if (method == NULL) { return NULL; } pmPtr->flags = flags & USE_DECLARER_NS; pmPtr->preCallProc = preCallPtr; pmPtr->postCallProc = postCallPtr; pmPtr->errProc = errProc; pmPtr->clientData = clientData; if (internalTokenPtr != NULL) { *internalTokenPtr = pmPtr; } return method; } Tcl_Method TclOONewProcMethodEx( Tcl_Interp *interp, /* The interpreter containing the class. */ Tcl_Class clsPtr, /* The class to modify. */ TclOO_PreCallProc *preCallPtr, TclOO_PostCallProc *postCallPtr, ProcErrorProc *errProc, ClientData clientData, Tcl_Obj *nameObj, /* The name of the method, which may be NULL; * if so, up to caller to manage storage * (e.g., because it is a constructor or * destructor). */ Tcl_Obj *argsObj, /* The formal argument list for the method, * which may be NULL; if so, it is equivalent * to an empty list. */ Tcl_Obj *bodyObj, /* The body of the method, which must not be * NULL. */ int flags, /* Whether this is a public method. */ void **internalTokenPtr) /* If non-NULL, points to a variable that gets * the reference to the ProcedureMethod * structure. */ { ProcedureMethod *pmPtr; Tcl_Method method = (Tcl_Method) TclOONewProcMethod(interp, (Class *) clsPtr, flags, nameObj, argsObj, bodyObj, &pmPtr); if (method == NULL) { return NULL; } pmPtr->flags = flags & USE_DECLARER_NS; pmPtr->preCallProc = preCallPtr; pmPtr->postCallProc = postCallPtr; pmPtr->errProc = errProc; pmPtr->clientData = clientData; if (internalTokenPtr != NULL) { *internalTokenPtr = pmPtr; } return method; } /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */


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