--- parser3/src/include/pa_exception.h 2001/03/13 11:15:03 1.8 +++ parser3/src/include/pa_exception.h 2001/09/26 10:32:25 1.13 @@ -1,53 +1,50 @@ -/* - Parser +/** @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 1.8 2001/03/13 11:15:03 paf Exp $ + $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: - Exception() : fhandled(false) { - } - - // 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 + /** + 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; + /// 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; + /// 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; } - bool is_handled() { return fhandled; } - void set_handled() { fhandled=true; } - private: - bool fhandled; mutable const String *ftype, *fcode, *fproblem_source; mutable char fcomment[MAX_STRING]; }; -//#define EXCEPTION_TRY(e) (setjmp((e).mark)==0) -// usage: -// if(EXCEPTION_TRY(e)) { ...; if(?) e.raise(?); ...; } else { catch-code } - #endif