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Annotation of parser3/src/include/pa_exception.h, revision 1.11

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)
1.11    ! paf         5: 
1.7       paf         6:        Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
1.6       paf         7: 
1.11    ! paf         8:        $Id: pa_exception.h,v 1.10 2001/03/19 15:29:37 paf Exp $
1.1       paf         9: */
                     10: 
                     11: #ifndef PA_EXCEPTION_H
                     12: #define PA_EXCEPTION_H
                     13: 
                     14: #include <setjmp.h>
                     15: 
                     16: #include "pa_types.h"
                     17: #include "pa_string.h"
                     18: 
1.10      paf        19: /// Just simple longjump mechanizm dressed in class clothes. use Temp_exception
1.1       paf        20: class Exception {
                     21: public:
                     22: 
1.10      paf        23:        /**
                     24:                address for long jump to jump to 
                     25:                regretfully public:
                     26:                can't make local unless sure of inlining
                     27:                for to-die stack frame ruins it all
                     28:        */
1.5       paf        29:        mutable jmp_buf mark;
1.1       paf        30: 
1.10      paf        31:        /// throws an exception[really goes to mark-ed position
1.5       paf        32:        void _throw(
1.1       paf        33:                const String *atype, const String *acode,
                     34:                const String *aproblem_source, 
1.5       paf        35:                const char *comment_fmt, ...) const;
1.1       paf        36: 
1.10      paf        37:        /// extracts exception type
1.5       paf        38:        const String *type() const { return ftype; }
1.10      paf        39:        /// extracts exception code
1.5       paf        40:        const String *code() const { return fcode; }
1.10      paf        41:        /// extracts exception problem_source
1.5       paf        42:        const String *problem_source() const { return fproblem_source; }
1.10      paf        43:        /// extracts exception comment
1.5       paf        44:        const char *comment() const { return fcomment[0]?fcomment:0; }
1.1       paf        45: 
                     46: private:
                     47: 
1.5       paf        48:        mutable const String *ftype, *fcode, *fproblem_source;
                     49:        mutable char fcomment[MAX_STRING];
1.1       paf        50: };
                     51: 
                     52: #endif