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Annotation of parser3/src/include/pa_exception.h, revision 1.13

1.10      paf         1: /** @file
1.11      paf         2:        Parser: exception decls.
                      3: 
1.6       paf         4:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
1.7       paf         5:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.6       paf         6: 
1.13    ! parser      7:        $Id: pa_exception.h,v 1.12 2001/05/17 10:22:24 parser Exp $
1.1       paf         8: */
                      9: 
                     10: #ifndef PA_EXCEPTION_H
                     11: #define PA_EXCEPTION_H
                     12: 
1.12      parser     13: #include "pa_config_includes.h"
1.1       paf        14: #include "pa_types.h"
                     15: #include "pa_string.h"
                     16: 
1.10      paf        17: /// Just simple longjump mechanizm dressed in class clothes. use Temp_exception
1.1       paf        18: class Exception {
                     19: public:
                     20: 
1.10      paf        21:        /**
                     22:                address for long jump to jump to 
                     23:                regretfully public:
                     24:                can't make local unless sure of inlining
                     25:                for to-die stack frame ruins it all
                     26:        */
1.5       paf        27:        mutable jmp_buf mark;
1.1       paf        28: 
1.10      paf        29:        /// throws an exception[really goes to mark-ed position
1.5       paf        30:        void _throw(
1.1       paf        31:                const String *atype, const String *acode,
                     32:                const String *aproblem_source, 
1.5       paf        33:                const char *comment_fmt, ...) const;
1.1       paf        34: 
1.10      paf        35:        /// extracts exception type
1.5       paf        36:        const String *type() const { return ftype; }
1.10      paf        37:        /// extracts exception code
1.5       paf        38:        const String *code() const { return fcode; }
1.10      paf        39:        /// extracts exception problem_source
1.5       paf        40:        const String *problem_source() const { return fproblem_source; }
1.10      paf        41:        /// extracts exception comment
1.5       paf        42:        const char *comment() const { return fcomment[0]?fcomment:0; }
1.1       paf        43: 
                     44: private:
                     45: 
1.5       paf        46:        mutable const String *ftype, *fcode, *fproblem_source;
                     47:        mutable char fcomment[MAX_STRING];
1.1       paf        48: };
                     49: 
                     50: #endif