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# DebugListener.hpp

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    00001 /*
    00002  * Copyright (c) 2001, 2008,
    00003  *     DecisionSoft Limited. All rights reserved.
    00004  * Copyright (c) 2004, 2015 Oracle and/or its affiliates. All rights reserved.
    00005  *
    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
    00020 #ifndef _DEBUGLISTENER_HPP
    00021 #define _DEBUGLISTENER_HPP
    00022
    00023 #include <xqilla/framework/XQillaExport.hpp>
    00024 #include <xqilla/exceptions/XQException.hpp>
    00025 #include <xercesc/util/XercesDefs.hpp>
    00026
    00027 class StackFrame;
    00028 class DynamicContext;
    00029 class XQException;
    00030
    00034 class XQILLA_API DebugListener {
    00035 public:
    00036   virtual ~DebugListener() {}
    00037
    00038   virtual void start(const StackFrame *stack, const DynamicContext *context) {}
    00039   virtual void end(const StackFrame *stack, const DynamicContext *context) {}
    00040   virtual void enter(const StackFrame *stack, const DynamicContext *context) {}
    00041   virtual void exit(const StackFrame *stack, const DynamicContext *context) {}
    00042   virtual void error(const XQException &error, const StackFrame *stack, const DynamicContext *context) { throw error; }
    00043
    00044   virtual bool doLazyEvaluation() const { return true; }
    00045   virtual bool doFocusOptimizations() const { return true; }
    00046 };
    00047
    00048 #endif