1 #ifndef __CORE_EXCEPTION_H__
2 #define __CORE_EXCEPTION_H__
3 
4 /* M-runtime for c++
5  * Copyright (C) 2005-2008 Vladimir Menshakov
6  *
7  * This library is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11 
12  * This library is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with this library; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21 
22 #include <stdio.h>
23 #include <string>
24 #include <exception>
25 #include "fmt.h"
26 #include "logger.h"
27 #include "export_mrt.h"
28 
29 namespace mrt {
30 
31 class MRTAPI Exception : public std::exception {
32 public:
33 	Exception();
34 	void add_message(const char *file, const int line);
35 	void add_message(const std::string &msg);
36 	virtual const std::string get_custom_message();
37 	virtual const char* what() const throw();
38 	virtual ~Exception() throw();
39 private:
40 	std::string _error;
41 };
42 
43 }
44 
45 #define DERIVE_EXCEPTION(export, name) \
46 	class export name : public mrt::Exception { \
47 		public: \
48 		name(); \
49 		const std::string get_custom_message(); \
50 		virtual ~name() throw(); \
51 	}
52 
53 #define DERIVE_EXCEPTION_NO_DEFAULT(export, name, ctor, data) \
54 	class export name : public mrt::Exception { \
55 		public: \
56 		name ctor; \
57 		const std::string get_custom_message(); \
58 		virtual ~name() throw(); \
59 		private: \
60 		data \
61 	}
62 
63 #define throw_generic(name, str) { name e; e.add_message(__FILE__, __LINE__); e.add_message(mrt::format_string str); e.add_message(e.get_custom_message()); throw e; }
64 #define throw_generic_no_default(name, str, args) { name e args; e.add_message(__FILE__, __LINE__); e.add_message(mrt::format_string str); e.add_message(e.get_custom_message()); throw e; }
65 #define throw_ex(str) throw_generic(mrt::Exception, str)
66 
67 #define TRY try
68 
69 #if defined _WINDOWS && defined DEBUG
70 #	define CATCH_D(where, code) /* bye bye */
71 #else
72 #	define CATCH_D(where, code) catch(...) {\
73 		LOG_ERROR(("%s: unknown error", where));\
74 		code;\
75 		}
76 #endif
77 
78 #define CATCH(where, code)  catch(const char * _e) {\
79 		LOG_ERROR(("%s: (const char*) %s", where, _e)); \
80 		code;\
81 	} catch(const std::exception &_e) {\
82 		LOG_ERROR(("%s: %s", where, _e.what())); \
83 		code;\
84 	}
85 
86 #endif
87