00001 /* 00002 * Copyright (c) 2001-2008 00003 * DecisionSoft Limited. All rights reserved. 00004 * Copyright (c) 2004-2008 00005 * Oracle. All rights reserved. 00006 * 00007 * Licensed under the Apache License, Version 2.0 (the "License"); 00008 * you may not use this file except in compliance with the License. 00009 * You may obtain a copy of the License at 00010 * 00011 * http://www.apache.org/licenses/LICENSE-2.0 00012 * 00013 * Unless required by applicable law or agreed to in writing, software 00014 * distributed under the License is distributed on an "AS IS" BASIS, 00015 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00016 * See the License for the specific language governing permissions and 00017 * limitations under the License. 00018 * 00019 * $Id: MessageListener.hpp 475 2008-01-08 18:47:44Z jpcs $ 00020 */ 00021 00022 #ifndef _DEBUGLISTENER_HPP 00023 #define _DEBUGLISTENER_HPP 00024 00025 #include <xqilla/framework/XQillaExport.hpp> 00026 #include <xqilla/exceptions/XQException.hpp> 00027 #include <xercesc/util/XercesDefs.hpp> 00028 00029 class StackFrame; 00030 class DynamicContext; 00031 class XQException; 00032 00036 class XQILLA_API DebugListener { 00037 public: 00038 virtual ~DebugListener() {} 00039 00040 virtual void start(const StackFrame *stack, const DynamicContext *context) {} 00041 virtual void end(const StackFrame *stack, const DynamicContext *context) {} 00042 virtual void enter(const StackFrame *stack, const DynamicContext *context) {} 00043 virtual void exit(const StackFrame *stack, const DynamicContext *context) {} 00044 virtual void error(const XQException &error, const StackFrame *stack, const DynamicContext *context) { throw error; } 00045 00046 virtual bool doLazyEvaluation() const { return true; } 00047 virtual bool doFocusOptimizations() const { return true; } 00048 }; 00049 00050 #endif