1 /*
2   GuidoAR Library
3   Copyright (C) 2008  Grame
4 
5   This library is free software; you can redistribute it and/or
6   modify it under the terms of the GNU Lesser General Public
7   License as published by the Free Software Foundation; either
8   version 2.1 of the License, or (at your option) any later version.
9 
10   This library is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   Lesser General Public License for more details.
14 
15   You should have received a copy of the GNU Lesser General Public
16   License along with this library; if not, write to the Free Software
17   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18 
19   Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
20   research@grame.fr
21 
22 */
23 
24 #ifndef __exceptions__
25 #define __exceptions__
26 
27 //______________________________________________________________________________
28 typedef struct TException {
29 
TExceptionTException30 	TException(int n, const char* s, const char* f, int ln)
31 		: num(n), msg(s), file(f), line(ln) {}
32 
33 	const int	num;		// the exception number
34 	const char* msg;		// the message associated to the exception
35 	const char* file;		// the file where the exception occured
36 	const int	line;		// the line number within the file
37 }TException;
38 
39 //______________________________________________________________________________
40 // a macro to automatically catch the file name and line number
41 #define eMsg(n)				kExceptionMsg[n]
42 #define newMsgException(n,msg)	TException(n,msg,__FILE__,__LINE__)
43 #define newException(n)			TException(n,eMsg(n),__FILE__,__LINE__)
44 
45 //______________________________________________________________________________
46 // exceptions definitions
47 enum ExceptionNum {
48 	kNoException,				// no exception - shouldn't be triggered
49 	kUndefinedCompOperation,	// undefined composition operator called
50 	kNullValue,					// got an unexpected null value
51 	kNullEnvironment,			// got a null environment
52 	kNullIdent,					// got a null identificator within a lambda abstraction
53 	kNullBody,					// got a null body within a lambda abstraction
54 	kMissingArgument			// an expression argument is missing
55 };
56 
57 extern const char* kExceptionMsg[];	// and the associates messages
58 
59 #endif
60