Annotation of parser3/src/include/pa_exception.h, revision 1.8
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:
1.8 ! paf 6: $Id: pa_exception.h,v 1.7 2001/03/11 08:16:32 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:
1.8 ! paf 20: Exception() : fhandled(false) {
! 21: }
! 22:
1.1 paf 23: // address for long jump to jump to
1.3 paf 24: // regretfully public:
25: // can't make local unless sure of inlining
26: // for to-die stack frame ruins it all
1.5 paf 27: mutable jmp_buf mark;
1.1 paf 28:
1.5 paf 29: void _throw(
1.1 paf 30: const String *atype, const String *acode,
31: const String *aproblem_source,
1.5 paf 32: const char *comment_fmt, ...) const;
1.1 paf 33:
1.5 paf 34: const String *type() const { return ftype; }
35: const String *code() const { return fcode; }
36: const String *problem_source() const { return fproblem_source; }
37: const char *comment() const { return fcomment[0]?fcomment:0; }
1.1 paf 38:
1.8 ! paf 39: bool is_handled() { return fhandled; }
! 40: void set_handled() { fhandled=true; }
! 41:
1.1 paf 42: private:
43:
1.8 ! paf 44: bool fhandled;
1.5 paf 45: mutable const String *ftype, *fcode, *fproblem_source;
46: mutable char fcomment[MAX_STRING];
1.1 paf 47: };
48:
1.5 paf 49: //#define EXCEPTION_TRY(e) (setjmp((e).mark)==0)
1.3 paf 50: // usage:
51: // if(EXCEPTION_TRY(e)) { ...; if(?) e.raise(?); ...; } else { catch-code }
1.1 paf 52:
53: #endif
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