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-rw-r--r--generic/tclOOInfo.c1271
1 files changed, 1271 insertions, 0 deletions
diff --git a/generic/tclOOInfo.c b/generic/tclOOInfo.c
new file mode 100644
index 0000000..bded40c
--- /dev/null
+++ b/generic/tclOOInfo.c
@@ -0,0 +1,1271 @@
+/*
+ * tclOODefineCmds.c --
+ *
+ * This file contains the implementation of the ::oo-related [info]
+ * subcommands.
+ *
+ * Copyright (c) 2006-2008 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 1.4 2008/05/31 11:42:18 dkf Exp $
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include "tclInt.h"
+#include "tclOOInt.h"
+
+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 InfoObjectMixinsCmd;
+static Tcl_ObjCmdProc InfoObjectVarsCmd;
+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 InfoClassMixinsCmd;
+static Tcl_ObjCmdProc InfoClassSubsCmd;
+static Tcl_ObjCmdProc InfoClassSupersCmd;
+
+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::mixins", InfoObjectMixinsCmd},
+ {"::oo::InfoObject::vars", InfoObjectVarsCmd},
+ {NULL, NULL}
+};
+
+/*
+ * 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::mixins", InfoClassMixinsCmd},
+ {"::oo::InfoClass::subclasses", InfoClassSubsCmd},
+ {"::oo::InfoClass::superclasses", InfoClassSupersCmd},
+ {NULL, NULL}
+};
+
+/*
+ * ----------------------------------------------------------------------
+ *
+ * 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_Namespace *nsPtr;
+ Tcl_Command infoCmd;
+ int i;
+
+ /*
+ * Build the ensemble used to implement [info object].
+ */
+
+ 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);
+ }
+
+ /*
+ * 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);
+ }
+ }
+}
+
+/*
+ * ----------------------------------------------------------------------
+ *
+ * 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 {
+ Object *o2Ptr;
+ Class *mixinPtr;
+ 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);
+ return TCL_ERROR;
+ }
+
+ FOREACH(mixinPtr, oPtr->mixins) {
+ if (TclOOIsReachable(o2Ptr->classPtr, mixinPtr)) {
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(1));
+ return TCL_OK;
+ }
+ }
+ Tcl_SetObjResult(interp, Tcl_NewIntObj(
+ TclOOIsReachable(o2Ptr->classPtr, 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 *argsObj;
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 3, 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_AppendResult(interp, "unknown 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);
+ return TCL_ERROR;
+ }
+
+ argsObj = 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, argsObj, argObj);
+ }
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), argsObj);
+
+ /*
+ * This is copied from the [info body] implementation. See the comments
+ * there for why this copy has to be done here.
+ */
+
+ if (procPtr->bodyPtr->bytes == NULL) {
+ (void) Tcl_GetString(procPtr->bodyPtr);
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ Tcl_NewStringObj(procPtr->bodyPtr->bytes,
+ procPtr->bodyPtr->length));
+ 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;
+ 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;
+ }
+
+ FOREACH(filterObj, oPtr->filters) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), filterObj);
+ }
+ 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_AppendResult(interp, "unknown method \"", TclGetString(objv[2]),
+ "\"", NULL);
+ return TCL_ERROR;
+ }
+ prefixObj = TclOOGetFwdFromMethod(Tcl_GetHashValue(hPtr));
+ if (prefixObj == NULL) {
+ Tcl_AppendResult(interp,
+ "prefix argument list not available for this kind of method",
+ 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 *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_AppendResult(interp, "non-classes cannot be mixins", 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_AppendResult(interp, "non-classes cannot be types", 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;
+ Method *mPtr;
+ static const char *options[] = {
+ "-all", "-localprivate", "-private", NULL
+ };
+ enum Options {
+ OPT_ALL, OPT_LOCALPRIVATE, OPT_PRIVATE
+ };
+
+ if (objc < 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "objName ?options...?");
+ 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<objc ; i++) {
+ if (Tcl_GetIndexFromObj(interp, objv[i], options, "option", 0,
+ &idx) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ switch ((enum Options) idx) {
+ case OPT_ALL:
+ recurse = 1;
+ break;
+ case OPT_LOCALPRIVATE:
+ flag = PRIVATE_METHOD;
+ break;
+ case OPT_PRIVATE:
+ flag = 0;
+ break;
+ }
+ }
+ }
+
+ if (recurse) {
+ const char **names;
+ int i, numNames = TclOOGetSortedMethodList(oPtr, flag, &names);
+ Tcl_Obj *resultObj = Tcl_NewObj();
+
+ for (i=0 ; i<numNames ; i++) {
+ Tcl_ListObjAppendElement(NULL, resultObj,
+ Tcl_NewStringObj(names[i], -1));
+ }
+ ckfree((char *) names);
+ Tcl_SetObjResult(interp, resultObj);
+ return TCL_OK;
+ }
+
+ if (oPtr->methodsPtr) {
+ FOREACH_HASH(namePtr, mPtr, oPtr->methodsPtr) {
+ if (mPtr->typePtr != NULL && (mPtr->flags & flag) == flag) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ namePtr);
+ }
+ }
+ }
+ 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;
+ int i;
+
+ if (objc != 2) {
+ Tcl_WrongNumArgs(interp, 3, objv, "objName");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+
+ FOREACH(mixinPtr, oPtr->mixins) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ TclOOObjectName(interp, mixinPtr->thisPtr));
+ }
+ 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 *argsObj;
+ Object *oPtr;
+ Class *clsPtr;
+
+ if (objc != 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ if (clsPtr->constructorPtr == NULL) {
+ return TCL_OK;
+ }
+ procPtr = TclOOGetProcFromMethod(clsPtr->constructorPtr);
+ if (procPtr == NULL) {
+ Tcl_AppendResult(interp,
+ "definition not available for this kind of method", NULL);
+ return TCL_ERROR;
+ }
+
+ argsObj = 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, argsObj, argObj);
+ }
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), argsObj);
+ if (procPtr->bodyPtr->bytes == NULL) {
+ (void) Tcl_GetString(procPtr->bodyPtr);
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ Tcl_NewStringObj(procPtr->bodyPtr->bytes,
+ procPtr->bodyPtr->length));
+ 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 *argsObj;
+ Object *oPtr;
+ Class *clsPtr;
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className methodName");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]);
+ if (hPtr == NULL) {
+ Tcl_AppendResult(interp, "unknown 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);
+ return TCL_ERROR;
+ }
+
+ argsObj = 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, argsObj, argObj);
+ }
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), argsObj);
+ if (procPtr->bodyPtr->bytes == NULL) {
+ (void) Tcl_GetString(procPtr->bodyPtr);
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ Tcl_NewStringObj(procPtr->bodyPtr->bytes,
+ procPtr->bodyPtr->length));
+ 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;
+ Object *oPtr;
+ Class *clsPtr;
+
+ if (objc != 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ if (clsPtr->destructorPtr == NULL) {
+ return TCL_OK;
+ }
+ procPtr = TclOOGetProcFromMethod(clsPtr->destructorPtr);
+ if (procPtr == NULL) {
+ Tcl_AppendResult(interp,
+ "definition not available for this kind of method", NULL);
+ return TCL_ERROR;
+ }
+
+ if (procPtr->bodyPtr->bytes == NULL) {
+ (void) Tcl_GetString(procPtr->bodyPtr);
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ Tcl_NewStringObj(procPtr->bodyPtr->bytes,
+ procPtr->bodyPtr->length));
+ 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;
+ Object *oPtr;
+ Class *clsPtr;
+
+ if (objc != 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ FOREACH(filterObj, clsPtr->filters) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), filterObj);
+ }
+ 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;
+ Object *oPtr;
+ Class *clsPtr;
+
+ if (objc != 3) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className methodName");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ hPtr = Tcl_FindHashEntry(&clsPtr->classMethods, (char *) objv[2]);
+ if (hPtr == NULL) {
+ Tcl_AppendResult(interp, "unknown method \"", TclGetString(objv[2]),
+ "\"", NULL);
+ return TCL_ERROR;
+ }
+ prefixObj = TclOOGetFwdFromMethod(Tcl_GetHashValue(hPtr));
+ if (prefixObj == NULL) {
+ Tcl_AppendResult(interp,
+ "prefix argument list not available for this kind of method",
+ 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;
+
+ if (objc != 2 && objc != 3) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className ?pattern?");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+ if (objc == 3) {
+ pattern = TclGetString(objv[2]);
+ }
+
+ FOREACH(oPtr, clsPtr->instances) {
+ Tcl_Obj *tmpObj = TclOOObjectName(interp, oPtr);
+
+ if (pattern && !Tcl_StringMatch(TclGetString(tmpObj), pattern)) {
+ continue;
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), tmpObj);
+ }
+ 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;
+ FOREACH_HASH_DECLS;
+ Tcl_Obj *namePtr;
+ Method *mPtr;
+ Object *oPtr;
+ Class *clsPtr;
+ static const char *options[] = {
+ "-all", "-localprivate", "-private", NULL
+ };
+ enum Options {
+ OPT_ALL, OPT_LOCALPRIVATE, OPT_PRIVATE
+ };
+
+ if (objc < 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className ?options...?");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+ if (objc != 2) {
+ int i, idx;
+
+ for (i=2 ; i<objc ; i++) {
+ if (Tcl_GetIndexFromObj(interp, objv[i], options, "option", 0,
+ &idx) != TCL_OK) {
+ return TCL_ERROR;
+ }
+ switch ((enum Options) idx) {
+ case OPT_ALL:
+ recurse = 1;
+ break;
+ case OPT_LOCALPRIVATE:
+ flag = PRIVATE_METHOD;
+ break;
+ case OPT_PRIVATE:
+ flag = 0;
+ break;
+ }
+ }
+ }
+
+ if (recurse) {
+ const char **names;
+ int i, numNames = TclOOGetSortedClassMethodList(clsPtr, flag, &names);
+ Tcl_Obj *resultObj = Tcl_NewObj();
+
+ for (i=0 ; i<numNames ; i++) {
+ Tcl_ListObjAppendElement(NULL, resultObj,
+ Tcl_NewStringObj(names[i], -1));
+ }
+ ckfree((char *) names);
+ Tcl_SetObjResult(interp, resultObj);
+ return TCL_OK;
+ }
+
+ FOREACH_HASH(namePtr, mPtr, &clsPtr->classMethods) {
+ if (mPtr->typePtr != NULL && (mPtr->flags & flag) == flag) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), namePtr);
+ }
+ }
+ return TCL_OK;
+}
+
+/*
+ * ----------------------------------------------------------------------
+ *
+ * InfoClassMixinsCmd --
+ *
+ * Implements [info class mixins $clsName]
+ *
+ * ----------------------------------------------------------------------
+ */
+
+static int
+InfoClassMixinsCmd(
+ ClientData clientData,
+ Tcl_Interp *interp,
+ int objc,
+ Tcl_Obj *const objv[])
+{
+ Object *oPtr;
+ Class *clsPtr, *mixinPtr;
+ int i;
+
+ if (objc != 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ FOREACH(mixinPtr, clsPtr->mixins) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ TclOOObjectName(interp, mixinPtr->thisPtr));
+ }
+ return TCL_OK;
+}
+
+/*
+ * ----------------------------------------------------------------------
+ *
+ * InfoClassSubsCmd --
+ *
+ * Implements [info class subclasses $clsName ?$pattern?]
+ *
+ * ----------------------------------------------------------------------
+ */
+
+static int
+InfoClassSubsCmd(
+ ClientData clientData,
+ Tcl_Interp *interp,
+ int objc,
+ Tcl_Obj *const objv[])
+{
+ Object *oPtr;
+ Class *clsPtr, *subclassPtr;
+ int i;
+ const char *pattern = NULL;
+
+ if (objc != 2 && objc != 3) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className ?pattern?");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+ if (objc == 3) {
+ pattern = TclGetString(objv[2]);
+ }
+
+ FOREACH(subclassPtr, clsPtr->subclasses) {
+ Tcl_Obj *tmpObj = TclOOObjectName(interp, subclassPtr->thisPtr);
+
+ if (pattern && !Tcl_StringMatch(TclGetString(tmpObj), pattern)) {
+ continue;
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), tmpObj);
+ }
+ FOREACH(subclassPtr, clsPtr->mixinSubs) {
+ Tcl_Obj *tmpObj = TclOOObjectName(interp, subclassPtr->thisPtr);
+
+ if (pattern && !Tcl_StringMatch(TclGetString(tmpObj), pattern)) {
+ continue;
+ }
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp), tmpObj);
+ }
+ return TCL_OK;
+}
+
+/*
+ * ----------------------------------------------------------------------
+ *
+ * InfoClassSupersCmd --
+ *
+ * Implements [info class superclasses $clsName]
+ *
+ * ----------------------------------------------------------------------
+ */
+
+static int
+InfoClassSupersCmd(
+ ClientData clientData,
+ Tcl_Interp *interp,
+ int objc,
+ Tcl_Obj *const objv[])
+{
+ Object *oPtr;
+ Class *clsPtr, *superPtr;
+ int i;
+
+ if (objc != 2) {
+ Tcl_WrongNumArgs(interp, 1, objv, "className");
+ return TCL_ERROR;
+ }
+ oPtr = (Object *) Tcl_GetObjectFromObj(interp, objv[1]);
+ if (oPtr == NULL) {
+ return TCL_ERROR;
+ }
+ if (oPtr->classPtr == NULL) {
+ Tcl_AppendResult(interp, "\"", TclGetString(objv[1]),
+ "\" is not a class", NULL);
+ return TCL_ERROR;
+ }
+ clsPtr = oPtr->classPtr;
+
+ FOREACH(superPtr, clsPtr->superclasses) {
+ Tcl_ListObjAppendElement(NULL, Tcl_GetObjResult(interp),
+ TclOOObjectName(interp, superPtr->thisPtr));
+ }
+ return TCL_OK;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */