diff options
Diffstat (limited to 'generic/tclOOInfo.c')
| -rw-r--r-- | generic/tclOOInfo.c | 288 |
1 files changed, 172 insertions, 116 deletions
diff --git a/generic/tclOOInfo.c b/generic/tclOOInfo.c index b8679b3..5be9b01 100644 --- a/generic/tclOOInfo.c +++ b/generic/tclOOInfo.c @@ -4,12 +4,10 @@ * This file contains the implementation of the ::oo-related [info] * subcommands. * - * Copyright (c) 2006-2008 by Donal K. Fellows + * 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. - * - * RCS: @(#) $Id: tclOOInfo.c,v 1.14 2010/03/24 13:21:11 dkf Exp $ */ #ifdef HAVE_CONFIG_H @@ -19,6 +17,7 @@ #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; @@ -30,6 +29,7 @@ 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; @@ -43,45 +43,45 @@ static Tcl_ObjCmdProc InfoClassSubsCmd; static Tcl_ObjCmdProc InfoClassSupersCmd; static Tcl_ObjCmdProc InfoClassVariablesCmd; -struct NameProcMap { const char *name; Tcl_ObjCmdProc *proc; }; - /* * List of commands that are used to implement the [info object] subcommands. */ -static const struct NameProcMap infoObjectCmds[] = { - {"::oo::InfoObject::class", InfoObjectClassCmd}, - {"::oo::InfoObject::definition", InfoObjectDefnCmd}, - {"::oo::InfoObject::filters", InfoObjectFiltersCmd}, - {"::oo::InfoObject::forward", InfoObjectForwardCmd}, - {"::oo::InfoObject::isa", InfoObjectIsACmd}, - {"::oo::InfoObject::methods", InfoObjectMethodsCmd}, - {"::oo::InfoObject::methodtype", InfoObjectMethodTypeCmd}, - {"::oo::InfoObject::mixins", InfoObjectMixinsCmd}, - {"::oo::InfoObject::namespace", InfoObjectNsCmd}, - {"::oo::InfoObject::variables", InfoObjectVariablesCmd}, - {"::oo::InfoObject::vars", InfoObjectVarsCmd}, - {NULL, NULL} +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, TclCompileInfoObjectIsACmd, 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 struct NameProcMap infoClassCmds[] = { - {"::oo::InfoClass::constructor", InfoClassConstrCmd}, - {"::oo::InfoClass::definition", InfoClassDefnCmd}, - {"::oo::InfoClass::destructor", InfoClassDestrCmd}, - {"::oo::InfoClass::filters", InfoClassFiltersCmd}, - {"::oo::InfoClass::forward", InfoClassForwardCmd}, - {"::oo::InfoClass::instances", InfoClassInstancesCmd}, - {"::oo::InfoClass::methods", InfoClassMethodsCmd}, - {"::oo::InfoClass::methodtype", InfoClassMethodTypeCmd}, - {"::oo::InfoClass::mixins", InfoClassMixinsCmd}, - {"::oo::InfoClass::subclasses", InfoClassSubsCmd}, - {"::oo::InfoClass::superclasses", InfoClassSupersCmd}, - {"::oo::InfoClass::variables", InfoClassVariablesCmd}, - {NULL, NULL} +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} }; /* @@ -99,58 +99,27 @@ void TclOOInitInfo( Tcl_Interp *interp) { - Tcl_Namespace *nsPtr; Tcl_Command infoCmd; - int i; + Tcl_Obj *mapDict; /* - * Build the ensemble used to implement [info object]. + * Build the ensembles used to implement [info object] and [info class]. */ - nsPtr = Tcl_CreateNamespace(interp, "::oo::InfoObject", NULL, NULL); - Tcl_CreateEnsemble(interp, nsPtr->fullName, nsPtr, TCL_ENSEMBLE_PREFIX); - Tcl_Export(interp, nsPtr, "[a-z]*", 1); - for (i=0 ; infoObjectCmds[i].name!=NULL ; i++) { - Tcl_CreateObjCommand(interp, infoObjectCmds[i].name, - infoObjectCmds[i].proc, NULL, NULL); - } - - /* - * Build the ensemble used to implement [info class]. - */ - - nsPtr = Tcl_CreateNamespace(interp, "::oo::InfoClass", NULL, NULL); - Tcl_CreateEnsemble(interp, nsPtr->fullName, nsPtr, TCL_ENSEMBLE_PREFIX); - Tcl_Export(interp, nsPtr, "[a-z]*", 1); - for (i=0 ; infoClassCmds[i].name!=NULL ; i++) { - Tcl_CreateObjCommand(interp, infoClassCmds[i].name, - infoClassCmds[i].proc, NULL, NULL); - } + 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); - } - } + Tcl_GetEnsembleMappingDict(NULL, infoCmd, &mapDict); + Tcl_DictObjPut(NULL, mapDict, Tcl_NewStringObj("object", -1), + Tcl_NewStringObj("::oo::InfoObject", -1)); + Tcl_DictObjPut(NULL, mapDict, Tcl_NewStringObj("class", -1), + Tcl_NewStringObj("::oo::InfoClass", -1)); + Tcl_SetEnsembleMappingDict(interp, infoCmd, mapDict); } /* @@ -175,8 +144,8 @@ GetClassFromObj( return NULL; } if (oPtr->classPtr == NULL) { - Tcl_AppendResult(interp, "\"", TclGetString(objPtr), - "\" is not a class", NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "\"%s\" is not a class", TclGetString(objPtr))); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "CLASS", TclGetString(objPtr), NULL); return NULL; @@ -218,30 +187,22 @@ InfoObjectClassCmd( TclOOObjectName(interp, oPtr->selfCls->thisPtr)); return TCL_OK; } else { - Object *o2Ptr; - Class *mixinPtr; + Class *mixinPtr, *o2clsPtr; int i; - o2Ptr = (Object *) Tcl_GetObjectFromObj(interp, objv[2]); - if (o2Ptr == NULL) { - return TCL_ERROR; - } - if (o2Ptr->classPtr == NULL) { - Tcl_AppendResult(interp, "object \"", TclGetString(objv[2]), - "\" is not a class", NULL); - Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "CLASS", - TclGetString(objv[2]), NULL); + o2clsPtr = GetClassFromObj(interp, objv[2]); + if (o2clsPtr == NULL) { return TCL_ERROR; } FOREACH(mixinPtr, oPtr->mixins) { - if (TclOOIsReachable(o2Ptr->classPtr, mixinPtr)) { + if (TclOOIsReachable(o2clsPtr, mixinPtr)) { Tcl_SetObjResult(interp, Tcl_NewIntObj(1)); return TCL_OK; } } Tcl_SetObjResult(interp, Tcl_NewIntObj( - TclOOIsReachable(o2Ptr->classPtr, oPtr->selfCls))); + TclOOIsReachable(o2clsPtr, oPtr->selfCls))); return TCL_OK; } } @@ -285,16 +246,16 @@ InfoObjectDefnCmd( hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]), - "\"", 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_AppendResult(interp, - "definition not available for this kind of method", 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; @@ -396,17 +357,17 @@ InfoObjectForwardCmd( hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]), - "\"", 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_AppendResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "prefix argument list not available for this kind of method", - NULL); + -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; @@ -497,7 +458,9 @@ InfoObjectIsACmd( return TCL_ERROR; } if (o2Ptr->classPtr == NULL) { - Tcl_AppendResult(interp, "non-classes cannot be mixins", 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; @@ -521,7 +484,9 @@ InfoObjectIsACmd( return TCL_ERROR; } if (o2Ptr->classPtr == NULL) { - Tcl_AppendResult(interp, "non-classes cannot be types", 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)) { @@ -605,7 +570,7 @@ InfoObjectMethodsCmd( Tcl_NewStringObj(names[i], -1)); } if (numNames > 0) { - ckfree((char *) names); + ckfree(names); } } else if (oPtr->methodsPtr) { FOREACH_HASH(namePtr, mPtr, oPtr->methodsPtr) { @@ -655,8 +620,8 @@ InfoObjectMethodTypeCmd( hPtr = Tcl_FindHashEntry(oPtr->methodsPtr, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]), - "\"", 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; @@ -882,8 +847,9 @@ InfoClassConstrCmd( } procPtr = TclOOGetProcFromMethod(clsPtr->constructorPtr); if (procPtr == NULL) { - Tcl_AppendResult(interp, - "definition not available for this kind of method", 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; } @@ -940,16 +906,16 @@ InfoClassDefnCmd( } hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]); if (hPtr == NULL) { - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]), - "\"", 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_AppendResult(interp, - "definition not available for this kind of method", 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; @@ -1009,8 +975,9 @@ InfoClassDestrCmd( } procPtr = TclOOGetProcFromMethod(clsPtr->destructorPtr); if (procPtr == NULL) { - Tcl_AppendResult(interp, - "definition not available for this kind of method", 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; } @@ -1087,17 +1054,17 @@ InfoClassForwardCmd( } hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]); if (hPtr == NULL) { - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]), - "\"", 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_AppendResult(interp, + Tcl_SetObjResult(interp, Tcl_NewStringObj( "prefix argument list not available for this kind of method", - NULL); + -1)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "METHOD", TclGetString(objv[2]), NULL); return TCL_ERROR; @@ -1223,7 +1190,7 @@ InfoClassMethodsCmd( Tcl_NewStringObj(names[i], -1)); } if (numNames > 0) { - ckfree((char *) names); + ckfree(names); } } else { FOREACH_HASH_DECLS; @@ -1271,8 +1238,8 @@ InfoClassMethodTypeCmd( hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]); if (hPtr == NULL) { unknownMethod: - Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]), - "\"", 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; @@ -1462,6 +1429,95 @@ InfoClassVariablesCmd( } /* + * ---------------------------------------------------------------------- + * + * 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 |