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DebugListener.hpp
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1 /*
2  * Copyright (c) 2001-2008
3  * DecisionSoft Limited. All rights reserved.
4  * Copyright (c) 2004-2008
5  * Oracle. All rights reserved.
6  *
7  * Licensed under the Apache License, Version 2.0 (the "License");
8  * you may not use this file except in compliance with the License.
9  * You may obtain a copy of the License at
10  *
11  * http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing, software
14  * distributed under the License is distributed on an "AS IS" BASIS,
15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16  * See the License for the specific language governing permissions and
17  * limitations under the License.
18  *
19  * $Id: MessageListener.hpp 475 2008-01-08 18:47:44Z jpcs $
20  */
21 
22 #ifndef _DEBUGLISTENER_HPP
23 #define _DEBUGLISTENER_HPP
24 
25 #include <xqilla/framework/XQillaExport.hpp>
27 #include <xercesc/util/XercesDefs.hpp>
28 
29 class StackFrame;
30 class DynamicContext;
31 class XQException;
32 
36 class XQILLA_API DebugListener {
37 public:
38  virtual ~DebugListener() {}
39 
40  virtual void start(const StackFrame *stack, const DynamicContext *context) {}
41  virtual void end(const StackFrame *stack, const DynamicContext *context) {}
42  virtual void enter(const StackFrame *stack, const DynamicContext *context) {}
43  virtual void exit(const StackFrame *stack, const DynamicContext *context) {}
44  virtual void error(const XQException &error, const StackFrame *stack, const DynamicContext *context) { throw error; }
45 
46  virtual bool doLazyEvaluation() const { return true; }
47  virtual bool doFocusOptimizations() const { return true; }
48 };
49 
50 #endif