Annotation of parser3/src/include/pa_exception.h, revision 1.7
1.1 paf 1: /*
1.6 paf 2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.7 ! paf 4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.6 paf 5:
1.7 ! paf 6: $Id: pa_exception.h,v 1.6 2001/03/10 16:34:35 paf Exp $
1.1 paf 7: */
8:
9: #ifndef PA_EXCEPTION_H
10: #define PA_EXCEPTION_H
11:
12: #include <setjmp.h>
13:
14: #include "pa_types.h"
15: #include "pa_string.h"
16:
17: class Exception {
18: public:
19:
20: // address for long jump to jump to
1.3 paf 21: // regretfully public:
22: // can't make local unless sure of inlining
23: // for to-die stack frame ruins it all
1.5 paf 24: mutable jmp_buf mark;
1.1 paf 25:
1.5 paf 26: void _throw(
1.1 paf 27: const String *atype, const String *acode,
28: const String *aproblem_source,
1.5 paf 29: const char *comment_fmt, ...) const;
1.1 paf 30:
1.5 paf 31: const String *type() const { return ftype; }
32: const String *code() const { return fcode; }
33: const String *problem_source() const { return fproblem_source; }
34: const char *comment() const { return fcomment[0]?fcomment:0; }
1.1 paf 35:
36: private:
37:
1.5 paf 38: mutable const String *ftype, *fcode, *fproblem_source;
39: mutable char fcomment[MAX_STRING];
1.1 paf 40: };
41:
1.5 paf 42: //#define EXCEPTION_TRY(e) (setjmp((e).mark)==0)
1.3 paf 43: // usage:
44: // if(EXCEPTION_TRY(e)) { ...; if(?) e.raise(?); ...; } else { catch-code }
1.1 paf 45:
46: #endif
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