/* * tclOODefineCmds.c -- * * This file contains the implementation of the ::oo-related [info] * subcommands. * * Copyright (c) 2006-2011 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" static inline Class * GetClassFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr); static Tcl_ObjCmdProc InfoObjectCallCmd; static Tcl_ObjCmdProc InfoObjectClassCmd; static Tcl_ObjCmdProc InfoObjectDefnCmd; static Tcl_ObjCmdProc InfoObjectFiltersCmd; static Tcl_ObjCmdProc InfoObjectForwardCmd; static Tcl_ObjCmdProc InfoObjectIsACmd; static Tcl_ObjCmdProc InfoObjectMethodsCmd; static Tcl_ObjCmdProc InfoObjectMethodTypeCmd; static Tcl_ObjCmdProc InfoObjectMixinsCmd; static Tcl_ObjCmdProc InfoObjectNsCmd; static Tcl_ObjCmdProc InfoObjectVarsCmd; static Tcl_ObjCmdProc InfoObjectVariablesCmd; static Tcl_ObjCmdProc InfoClassCallCmd; static Tcl_ObjCmdProc InfoClassConstrCmd; static Tcl_ObjCmdProc InfoClassDefnCmd; static Tcl_ObjCmdProc InfoClassDestrCmd; static Tcl_ObjCmdProc InfoClassFiltersCmd; static Tcl_ObjCmdProc InfoClassForwardCmd; static Tcl_ObjCmdProc InfoClassInstancesCmd; static Tcl_ObjCmdProc InfoClassMethodsCmd; static Tcl_ObjCmdProc InfoClassMethodTypeCmd; static Tcl_ObjCmdProc InfoClassMixinsCmd; static Tcl_ObjCmdProc InfoClassSubsCmd; static Tcl_ObjCmdProc InfoClassSupersCmd; static Tcl_ObjCmdProc InfoClassVariablesCmd; /* * List of commands that are used to implement the [info object] subcommands. */ static const EnsembleImplMap infoObjectCmds[] = { {"call", InfoObjectCallCmd, NULL, NULL, NULL, 0}, {"class", InfoObjectClassCmd, TclCompileInfoObjectClassCmd, NULL, NULL, 0}, {"definition", InfoObjectDefnCmd, NULL, NULL, NULL, 0}, {"filters", InfoObjectFiltersCmd, NULL, NULL, NULL, 0}, {"forward", InfoObjectForwardCmd, NULL, NULL, NULL, 0}, {"isa", InfoObjectIsACmd, NULL, NULL, NULL, 0}, {"methods", InfoObjectMethodsCmd, NULL, NULL, NULL, 0}, {"methodtype", InfoObjectMethodTypeCmd, NULL, NULL, NULL, 0}, {"mixins", InfoObjectMixinsCmd, NULL, NULL, NULL, 0}, {"namespace", InfoObjectNsCmd, TclCompileInfoObjectNamespaceCmd, NULL, NULL, 0}, {"variables", InfoObjectVariablesCmd, NULL, NULL, NULL, 0}, {"vars", InfoObjectVarsCmd, NULL, NULL, NULL, 0}, {NULL, NULL, NULL, NULL, NULL, 0} }; /* * List of commands that are used to implement the [info class] subcommands. */ static const EnsembleImplMap infoClassCmds[] = { {"call", InfoClassCallCmd, NULL, NULL, NULL, 0}, {"constructor", InfoClassConstrCmd, NULL, NULL, NULL, 0}, {"definition", InfoClassDefnCmd, NULL, NULL, NULL, 0}, {"destructor", InfoClassDestrCmd, NULL, NULL, NULL, 0}, {"filters", InfoClassFiltersCmd, NULL, NULL, NULL, 0}, {"forward", InfoClassForwardCmd, NULL, NULL, NULL, 0}, {"instances", InfoClassInstancesCmd, NULL, NULL, NULL, 0}, {"methods", InfoClassMethodsCmd, NULL, NULL, NULL, 0}, {"methodtype", InfoClassMethodTypeCmd, NULL, NULL, NULL, 0}, {"mixins", InfoClassMixinsCmd, NULL, NULL, NULL, 0}, {"subclasses", InfoClassSubsCmd, NULL, NULL, NULL, 0}, {"superclasses", InfoClassSupersCmd, NULL, NULL, NULL, 0}, {"variables", InfoClassVariablesCmd, NULL, NULL, NULL, 0}, {NULL, NULL, NULL, NULL, NULL, 0} }; /* * ---------------------------------------------------------------------- * * TclOOInitInfo -- * * Adjusts the Tcl core [info] command to contain subcommands ("object" * and "class") for introspection of objects and classes. * * ---------------------------------------------------------------------- */ void TclOOInitInfo( Tcl_Interp *interp) { Tcl_Command infoCmd; /* * Build the ensembles used to implement [info object] and [info class]. */ TclMakeEnsemble(interp, "::oo::InfoObject", infoObjectCmds); TclMakeEnsemble(interp, "::oo::InfoClass", infoClassCmds); /* * Install into the master [info] ensemble. */ infoCmd = Tcl_FindCommand(interp, "info", NULL, TCL_GLOBAL_ONLY); if (infoCmd != NULL && Tcl_IsEnsemble(infoCmd)) { Tcl_Obj *mapDict, *objectObj, *classObj; Tcl_GetEnsembleMappingDict(NULL, infoCmd, &mapDict); if (mapDict != NULL) { objectObj = Tcl_NewStringObj("object", -1); classObj = Tcl_NewStringObj("class", -1); Tcl_IncrRefCount(objectObj); Tcl_IncrRefCount(classObj); Tcl_DictObjPut(NULL, mapDict, objectObj, Tcl_NewStringObj("::oo::InfoObject", -1)); Tcl_DictObjPut(NULL, mapDict, classObj, Tcl_NewStringObj("::oo::InfoClass", -1)); Tcl_DecrRefCount(objectObj); Tcl_DecrRefCount(classObj); Tcl_SetEnsembleMappingDict(interp, infoCmd, mapDict); } } } /* * ---------------------------------------------------------------------- * * GetClassFromObj -- * * How to correctly get a class from a Tcl_Obj. Just a wrapper round * Tcl_GetObjectFromObj, but this is an idiom that was used heavily. * * ---------------------------------------------------------------------- */ static inline Class * GetClassFromObj( Tcl_Interp *interp, Tcl_Obj *objPtr) { Object *oPtr = (Object *) Tcl_GetObjectFromObj(interp, objPtr); if (oPtr == NULL) { return NULL; } if (oPtr->classPtr == NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "\"%s\" is not a class", TclGetString(objPtr))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "CLASS", TclGetString(objPtr), NULL); return NULL; } return oPtr->classPtr; } /* * ---------------------------------------------------------------------- * * InfoObjectClassCmd -- * * Implements [info object class $objName ?$className?] * * ---------------------------------------------------------------------- */ static int InfoObjectClassCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; if (objc != 2 && objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "objName ?className?"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } if (objc == 2) { Tcl_SetObjResult(interp, TclOOObjectName(interp, oPtr->selfCls->thisPtr)); return TCL_OK; } else { Class *mixinPtr, *o2clsPtr; int i; o2clsPtr = GetClassFromObj(interp, objv[2]); if (o2clsPtr == NULL) { return TCL_ERROR; } FOREACH(mixinPtr, oPtr->mixins) { if (TclOOIsReachable(o2clsPtr, mixinPtr)) { Tcl_SetObjResult(interp, Tcl_NewIntObj(1)); return TCL_OK; } } Tcl_SetObjResult(interp, Tcl_NewIntObj( TclOOIsReachable(o2clsPtr, oPtr->selfCls))); return TCL_OK; } } /* * ---------------------------------------------------------------------- * * InfoObjectDefnCmd -- * * Implements [info object definition $objName $methodName] * * ---------------------------------------------------------------------- */ static int InfoObjectDefnCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; Tcl_HashEntry *hPtr; Proc *procPtr; CompiledLocal *localPtr; Tcl_Obj *resultObjs[2]; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "objName methodName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } if (!oPtr->methodsPtr) { goto unknownMethod; } hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: Tcl_SetObjResult(interp, Tcl_ObjPrintf( "unknown method \"%s\"", TclGetString(objv[2]))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } procPtr = TclOOGetProcFromMethod(Tcl_GetHashValue(hPtr)); if (procPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "definition not available for this kind of method", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } resultObjs[0] = Tcl_NewObj(); for (localPtr=procPtr->firstLocalPtr; localPtr!=NULL; localPtr=localPtr->nextPtr) { if (TclIsVarArgument(localPtr)) { Tcl_Obj *argObj; 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, resultObjs[0], argObj); } } resultObjs[1] = TclOOGetMethodBody(Tcl_GetHashValue(hPtr)); Tcl_SetObjResult(interp, Tcl_NewListObj(2, resultObjs)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectFiltersCmd -- * * Implements [info object filters $objName] * * ---------------------------------------------------------------------- */ static int InfoObjectFiltersCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { int i; Tcl_Obj *filterObj, *resultObj; Object *oPtr; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "objName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(filterObj, oPtr->filters) { Tcl_ListObjAppendElement(NULL, resultObj, filterObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectForwardCmd -- * * Implements [info object forward $objName $methodName] * * ---------------------------------------------------------------------- */ static int InfoObjectForwardCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; Tcl_HashEntry *hPtr; Tcl_Obj *prefixObj; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "objName methodName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } if (!oPtr->methodsPtr) { goto unknownMethod; } hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: Tcl_SetObjResult(interp, Tcl_ObjPrintf( "unknown method \"%s\"", TclGetString(objv[2]))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } prefixObj = TclOOGetFwdFromMethod(Tcl_GetHashValue(hPtr)); if (prefixObj == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "prefix argument list not available for this kind of method", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } Tcl_SetObjResult(interp, prefixObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectIsACmd -- * * Implements [info object isa $category $objName ...] * * ---------------------------------------------------------------------- */ static int InfoObjectIsACmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { static const char *const categories[] = { "class", "metaclass", "mixin", "object", "typeof", NULL }; enum IsACats { IsClass, IsMetaclass, IsMixin, IsObject, IsType }; Object *oPtr, *o2Ptr; int idx, i; if (objc < 3) { Tcl_WrongNumArgs(interp, 1, objv, "category objName ?arg ...?"); return TCL_ERROR; } if (Tcl_GetIndexFromObj(interp, objv[1], categories, "category", 0, &idx) != TCL_OK) { return TCL_ERROR; } if (idx == IsObject) { int ok = (Tcl_GetObjectFromObj(interp, objv[2]) != NULL); if (!ok) { Tcl_ResetResult(interp); } Tcl_SetObjResult(interp, Tcl_NewIntObj(ok ? 1 : 0)); return TCL_OK; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[2]); if (oPtr == NULL) { return TCL_ERROR; } switch ((enum IsACats) idx) { case IsClass: if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "objName"); return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_NewIntObj(oPtr->classPtr ? 1 : 0)); return TCL_OK; case IsMetaclass: if (objc != 3) { Tcl_WrongNumArgs(interp, 2, objv, "objName"); return TCL_ERROR; } if (oPtr->classPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewIntObj(0)); } else { Class *classCls = TclOOGetFoundation(interp)->classCls; Tcl_SetObjResult(interp, Tcl_NewIntObj( TclOOIsReachable(classCls, oPtr->classPtr) ? 1 : 0)); } return TCL_OK; case IsMixin: if (objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "objName className"); return TCL_ERROR; } o2Ptr = (Object *) Tcl_GetObjectFromObj(interp, objv[3]); if (o2Ptr == NULL) { return TCL_ERROR; } if (o2Ptr->classPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "non-classes cannot be mixins", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "NONCLASS", NULL); return TCL_ERROR; } else { Class *mixinPtr; FOREACH(mixinPtr, oPtr->mixins) { if (mixinPtr == o2Ptr->classPtr) { Tcl_SetObjResult(interp, Tcl_NewIntObj(1)); return TCL_OK; } } } Tcl_SetObjResult(interp, Tcl_NewIntObj(0)); return TCL_OK; case IsType: if (objc != 4) { Tcl_WrongNumArgs(interp, 2, objv, "objName className"); return TCL_ERROR; } o2Ptr = (Object *) Tcl_GetObjectFromObj(interp, objv[3]); if (o2Ptr == NULL) { return TCL_ERROR; } if (o2Ptr->classPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "non-classes cannot be types", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "NONCLASS", NULL); return TCL_ERROR; } if (TclOOIsReachable(o2Ptr->classPtr, oPtr->selfCls)) { Tcl_SetObjResult(interp, Tcl_NewIntObj(1)); } else { Tcl_SetObjResult(interp, Tcl_NewIntObj(0)); } return TCL_OK; case IsObject: Tcl_Panic("unexpected fallthrough"); } return TCL_ERROR; } /* * ---------------------------------------------------------------------- * * InfoObjectMethodsCmd -- * * Implements [info object methods $objName ?$option ...?] * * ---------------------------------------------------------------------- */ static int InfoObjectMethodsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; int flag = PUBLIC_METHOD, recurse = 0; FOREACH_HASH_DECLS; Tcl_Obj *namePtr, *resultObj; Method *mPtr; static const char *const options[] = { "-all", "-localprivate", "-private", NULL }; enum Options { OPT_ALL, OPT_LOCALPRIVATE, OPT_PRIVATE }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "objName ?-option value ...?"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } if (objc != 2) { int i, idx; for (i=2 ; i 0) { ckfree(names); } } else if (oPtr->methodsPtr) { FOREACH_HASH(namePtr, mPtr, oPtr->methodsPtr) { if (mPtr->typePtr != NULL && (mPtr->flags & flag) == flag) { Tcl_ListObjAppendElement(NULL, resultObj, namePtr); } } } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectMethodTypeCmd -- * * Implements [info object methodtype $objName $methodName] * * ---------------------------------------------------------------------- */ static int InfoObjectMethodTypeCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; Tcl_HashEntry *hPtr; Method *mPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "objName methodName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } if (!oPtr->methodsPtr) { goto unknownMethod; } hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: Tcl_SetObjResult(interp, Tcl_ObjPrintf( "unknown method \"%s\"", TclGetString(objv[2]))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } mPtr = Tcl_GetHashValue(hPtr); if (mPtr->typePtr == NULL) { /* * Special entry for visibility control: pretend the method doesnt * exist. */ goto unknownMethod; } Tcl_SetObjResult(interp, Tcl_NewStringObj(mPtr->typePtr->name, -1)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectMixinsCmd -- * * Implements [info object mixins $objName] * * ---------------------------------------------------------------------- */ static int InfoObjectMixinsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Class *mixinPtr; Object *oPtr; Tcl_Obj *resultObj; int i; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "objName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(mixinPtr, oPtr->mixins) { Tcl_ListObjAppendElement(NULL, resultObj, TclOOObjectName(interp, mixinPtr->thisPtr)); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectNsCmd -- * * Implements [info object namespace $objName] * * ---------------------------------------------------------------------- */ static int InfoObjectNsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "objName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } Tcl_SetObjResult(interp, Tcl_NewStringObj(oPtr->namespacePtr->fullName, -1)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectVariablesCmd -- * * Implements [info object variables $objName] * * ---------------------------------------------------------------------- */ static int InfoObjectVariablesCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; Tcl_Obj *variableObj, *resultObj; int i; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "objName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(variableObj, oPtr->variables) { Tcl_ListObjAppendElement(NULL, resultObj, variableObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectVarsCmd -- * * Implements [info object vars $objName ?$pattern?] * * ---------------------------------------------------------------------- */ static int InfoObjectVarsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; const char *pattern = NULL; FOREACH_HASH_DECLS; VarInHash *vihPtr; Tcl_Obj *nameObj, *resultObj; if (objc != 2 && objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "objName ?pattern?"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } if (objc == 3) { pattern = TclGetString(objv[2]); } resultObj = Tcl_NewObj(); /* * Extract the information we need from the object's namespace's table of * variables. Note that this involves horrific knowledge of the guts of * tclVar.c, so we can't leverage our hash-iteration macros properly. */ FOREACH_HASH_VALUE(vihPtr, &((Namespace *) oPtr->namespacePtr)->varTable.table) { nameObj = vihPtr->entry.key.objPtr; if (TclIsVarUndefined(&vihPtr->var) || !TclIsVarNamespaceVar(&vihPtr->var)) { continue; } if (pattern != NULL && !Tcl_StringMatch(TclGetString(nameObj), pattern)) { continue; } Tcl_ListObjAppendElement(NULL, resultObj, nameObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassConstrCmd -- * * Implements [info class constructor $clsName] * * ---------------------------------------------------------------------- */ static int InfoClassConstrCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Proc *procPtr; CompiledLocal *localPtr; Tcl_Obj *resultObjs[2]; Class *clsPtr; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "className"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } if (clsPtr->constructorPtr == NULL) { return TCL_OK; } procPtr = TclOOGetProcFromMethod(clsPtr->constructorPtr); if (procPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "definition not available for this kind of method", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "METHOD_TYPE", NULL); return TCL_ERROR; } resultObjs[0] = Tcl_NewObj(); for (localPtr=procPtr->firstLocalPtr; localPtr!=NULL; localPtr=localPtr->nextPtr) { if (TclIsVarArgument(localPtr)) { Tcl_Obj *argObj; 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, resultObjs[0], argObj); } } resultObjs[1] = TclOOGetMethodBody(clsPtr->constructorPtr); Tcl_SetObjResult(interp, Tcl_NewListObj(2, resultObjs)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassDefnCmd -- * * Implements [info class definition $clsName $methodName] * * ---------------------------------------------------------------------- */ static int InfoClassDefnCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Tcl_HashEntry *hPtr; Proc *procPtr; CompiledLocal *localPtr; Tcl_Obj *resultObjs[2]; Class *clsPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "className methodName"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]); if (hPtr == NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "unknown method \"%s\"", TclGetString(objv[2]))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } procPtr = TclOOGetProcFromMethod(Tcl_GetHashValue(hPtr)); if (procPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "definition not available for this kind of method", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } resultObjs[0] = Tcl_NewObj(); for (localPtr=procPtr->firstLocalPtr; localPtr!=NULL; localPtr=localPtr->nextPtr) { if (TclIsVarArgument(localPtr)) { Tcl_Obj *argObj; 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, resultObjs[0], argObj); } } resultObjs[1] = TclOOGetMethodBody(Tcl_GetHashValue(hPtr)); Tcl_SetObjResult(interp, Tcl_NewListObj(2, resultObjs)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassDestrCmd -- * * Implements [info class destructor $clsName] * * ---------------------------------------------------------------------- */ static int InfoClassDestrCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Proc *procPtr; Class *clsPtr; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "className"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } if (clsPtr->destructorPtr == NULL) { return TCL_OK; } procPtr = TclOOGetProcFromMethod(clsPtr->destructorPtr); if (procPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "definition not available for this kind of method", -1)); Tcl_SetErrorCode(interp, "TCL", "OO", "METHOD_TYPE", NULL); return TCL_ERROR; } Tcl_SetObjResult(interp, TclOOGetMethodBody(clsPtr->destructorPtr)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassFiltersCmd -- * * Implements [info class filters $clsName] * * ---------------------------------------------------------------------- */ static int InfoClassFiltersCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { int i; Tcl_Obj *filterObj, *resultObj; Class *clsPtr; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "className"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(filterObj, clsPtr->filters) { Tcl_ListObjAppendElement(NULL, resultObj, filterObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassForwardCmd -- * * Implements [info class forward $clsName $methodName] * * ---------------------------------------------------------------------- */ static int InfoClassForwardCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Tcl_HashEntry *hPtr; Tcl_Obj *prefixObj; Class *clsPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "className methodName"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]); if (hPtr == NULL) { Tcl_SetObjResult(interp, Tcl_ObjPrintf( "unknown method \"%s\"", TclGetString(objv[2]))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } prefixObj = TclOOGetFwdFromMethod(Tcl_GetHashValue(hPtr)); if (prefixObj == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "prefix argument list not available for this kind of method", -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } Tcl_SetObjResult(interp, prefixObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassInstancesCmd -- * * Implements [info class instances $clsName ?$pattern?] * * ---------------------------------------------------------------------- */ static int InfoClassInstancesCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; Class *clsPtr; int i; const char *pattern = NULL; Tcl_Obj *resultObj; if (objc != 2 && objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "className ?pattern?"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } if (objc == 3) { pattern = TclGetString(objv[2]); } resultObj = Tcl_NewObj(); FOREACH(oPtr, clsPtr->instances) { Tcl_Obj *tmpObj = TclOOObjectName(interp, oPtr); if (pattern && !Tcl_StringMatch(TclGetString(tmpObj), pattern)) { continue; } Tcl_ListObjAppendElement(NULL, resultObj, tmpObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassMethodsCmd -- * * Implements [info class methods $clsName ?-private?] * * ---------------------------------------------------------------------- */ static int InfoClassMethodsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { int flag = PUBLIC_METHOD, recurse = 0; Tcl_Obj *namePtr, *resultObj; Method *mPtr; Class *clsPtr; static const char *const options[] = { "-all", "-localprivate", "-private", NULL }; enum Options { OPT_ALL, OPT_LOCALPRIVATE, OPT_PRIVATE }; if (objc < 2) { Tcl_WrongNumArgs(interp, 1, objv, "className ?-option value ...?"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } if (objc != 2) { int i, idx; for (i=2 ; i 0) { ckfree(names); } } else { FOREACH_HASH_DECLS; FOREACH_HASH(namePtr, mPtr, &clsPtr->classMethods) { if (mPtr->typePtr != NULL && (mPtr->flags & flag) == flag) { Tcl_ListObjAppendElement(NULL, resultObj, namePtr); } } } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassMethodTypeCmd -- * * Implements [info class methodtype $clsName $methodName] * * ---------------------------------------------------------------------- */ static int InfoClassMethodTypeCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Tcl_HashEntry *hPtr; Method *mPtr; Class *clsPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "className methodName"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: Tcl_SetObjResult(interp, Tcl_ObjPrintf( "unknown method \"%s\"", TclGetString(objv[2]))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; } mPtr = Tcl_GetHashValue(hPtr); if (mPtr->typePtr == NULL) { /* * Special entry for visibility control: pretend the method doesnt * exist. */ goto unknownMethod; } Tcl_SetObjResult(interp, Tcl_NewStringObj(mPtr->typePtr->name, -1)); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassMixinsCmd -- * * Implements [info class mixins $clsName] * * ---------------------------------------------------------------------- */ static int InfoClassMixinsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Class *clsPtr, *mixinPtr; Tcl_Obj *resultObj; int i; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "className"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(mixinPtr, clsPtr->mixins) { Tcl_ListObjAppendElement(NULL, resultObj, TclOOObjectName(interp, mixinPtr->thisPtr)); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassSubsCmd -- * * Implements [info class subclasses $clsName ?$pattern?] * * ---------------------------------------------------------------------- */ static int InfoClassSubsCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Class *clsPtr, *subclassPtr; Tcl_Obj *resultObj; int i; const char *pattern = NULL; if (objc != 2 && objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "className ?pattern?"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } if (objc == 3) { pattern = TclGetString(objv[2]); } resultObj = Tcl_NewObj(); FOREACH(subclassPtr, clsPtr->subclasses) { Tcl_Obj *tmpObj = TclOOObjectName(interp, subclassPtr->thisPtr); if (pattern && !Tcl_StringMatch(TclGetString(tmpObj), pattern)) { continue; } Tcl_ListObjAppendElement(NULL, resultObj, tmpObj); } FOREACH(subclassPtr, clsPtr->mixinSubs) { Tcl_Obj *tmpObj = TclOOObjectName(interp, subclassPtr->thisPtr); if (pattern && !Tcl_StringMatch(TclGetString(tmpObj), pattern)) { continue; } Tcl_ListObjAppendElement(NULL, resultObj, tmpObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassSupersCmd -- * * Implements [info class superclasses $clsName] * * ---------------------------------------------------------------------- */ static int InfoClassSupersCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Class *clsPtr, *superPtr; Tcl_Obj *resultObj; int i; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "className"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(superPtr, clsPtr->superclasses) { Tcl_ListObjAppendElement(NULL, resultObj, TclOOObjectName(interp, superPtr->thisPtr)); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassVariablesCmd -- * * Implements [info class variables $clsName] * * ---------------------------------------------------------------------- */ static int InfoClassVariablesCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Class *clsPtr; Tcl_Obj *variableObj, *resultObj; int i; if (objc != 2) { Tcl_WrongNumArgs(interp, 1, objv, "className"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } resultObj = Tcl_NewObj(); FOREACH(variableObj, clsPtr->variables) { Tcl_ListObjAppendElement(NULL, resultObj, variableObj); } Tcl_SetObjResult(interp, resultObj); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoObjectCallCmd -- * * Implements [info object call $objName $methodName] * * ---------------------------------------------------------------------- */ static int InfoObjectCallCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Object *oPtr; CallContext *contextPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "objName methodName"); return TCL_ERROR; } oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]); if (oPtr == NULL) { return TCL_ERROR; } /* * Get the call context and render its call chain. */ contextPtr = TclOOGetCallContext(oPtr, objv[2], PUBLIC_METHOD, NULL); if (contextPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "cannot construct any call chain", -1)); return TCL_ERROR; } Tcl_SetObjResult(interp, TclOORenderCallChain(interp, contextPtr->callPtr)); TclOODeleteContext(contextPtr); return TCL_OK; } /* * ---------------------------------------------------------------------- * * InfoClassCallCmd -- * * Implements [info class call $clsName $methodName] * * ---------------------------------------------------------------------- */ static int InfoClassCallCmd( ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]) { Class *clsPtr; CallChain *callPtr; if (objc != 3) { Tcl_WrongNumArgs(interp, 1, objv, "className methodName"); return TCL_ERROR; } clsPtr = GetClassFromObj(interp, objv[1]); if (clsPtr == NULL) { return TCL_ERROR; } /* * Get an render the stereotypical call chain. */ callPtr = TclOOGetStereotypeCallChain(clsPtr, objv[2], PUBLIC_METHOD); if (callPtr == NULL) { Tcl_SetObjResult(interp, Tcl_NewStringObj( "cannot construct any call chain", -1)); return TCL_ERROR; } Tcl_SetObjResult(interp, TclOORenderCallChain(interp, callPtr)); TclOODeleteChain(callPtr); return TCL_OK; } /* * Local Variables: * mode: c * c-basic-offset: 4 * fill-column: 78 * End: */