--- parser3/src/include/pa_exception.h 2001/01/30 13:07:31 1.2 +++ parser3/src/include/pa_exception.h 2001/09/26 10:32:25 1.13 @@ -1,39 +1,50 @@ -/* - $Id: pa_exception.h,v 1.2 2001/01/30 13:07:31 paf Exp $ +/** @file + Parser: exception decls. + + Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexander Petrosyan (http://design.ru/paf) + + $Id: pa_exception.h,v 1.13 2001/09/26 10:32:25 parser Exp $ */ #ifndef PA_EXCEPTION_H #define PA_EXCEPTION_H -#include - +#include "pa_config_includes.h" #include "pa_types.h" #include "pa_string.h" +/// Just simple longjump mechanizm dressed in class clothes. use Temp_exception class Exception { public: - // address for long jump to jump to - jmp_buf mark; + /** + address for long jump to jump to + regretfully public: + can't make local unless sure of inlining + for to-die stack frame ruins it all + */ + mutable jmp_buf mark; - Exception(); - static void die(char *acomment); - void raise( + /// throws an exception[really goes to mark-ed position + void _throw( const String *atype, const String *acode, const String *aproblem_source, - const char *comment_fmt, ...); + const char *comment_fmt, ...) const; - const String *type() { return ftype; } - const String *code() { return fcode; } - const String *problem_source() { return fproblem_source; } - const char *comment() { return fcomment[0]?fcomment:0; } + /// extracts exception type + const String *type() const { return ftype; } + /// extracts exception code + const String *code() const { return fcode; } + /// extracts exception problem_source + const String *problem_source() const { return fproblem_source; } + /// extracts exception comment + const char *comment() const { return fcomment[0]?fcomment:0; } private: - const String *ftype, *fcode, *fproblem_source; - char fcomment[MAX_STRING]; + mutable const String *ftype, *fcode, *fproblem_source; + mutable char fcomment[MAX_STRING]; }; -#define EXCEPTION_TRY(e) (setjmp(e.mark)==0) - #endif