--- parser3/src/include/pa_exception.h 2001/09/26 10:32:25 1.13 +++ parser3/src/include/pa_exception.h 2002/04/29 06:27:29 1.35 @@ -1,50 +1,66 @@ /** @file Parser: exception decls. - Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) - Author: Alexander Petrosyan (http://design.ru/paf) + Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) + Author: Alexandr Petrosian (http://paf.design.ru) - $Id: pa_exception.h,v 1.13 2001/09/26 10:32:25 parser Exp $ + $Id: pa_exception.h,v 1.35 2002/04/29 06:27:29 paf Exp $ */ #ifndef PA_EXCEPTION_H #define PA_EXCEPTION_H -#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 Pool; + +// defines + class Exception { public: - /** - 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, + Exception(); + Exception( + const char *atype, + const String *aproblem_source, + const char *comment_fmt, ...); + Exception(const Exception& src); + Exception& operator =(const Exception& src); + ~Exception(); + +#ifdef XML + Exception( const String *aproblem_source, - const char *comment_fmt, ...) const; + GdomeException& exc); +#endif /// extracts exception type - const String *type() const { return ftype; } - /// extracts exception code - const String *code() const { return fcode; } + const char *type(bool can_be_empty=false) const { + if(can_be_empty) + return ftype; + else + return ftype?ftype:""; + } /// extracts exception problem_source - const String *problem_source() const { return fproblem_source; } + const String *problem_source() const { + return fproblem_source && fproblem_source->size()?fproblem_source:0; + } /// extracts exception comment - const char *comment() const { return fcomment[0]?fcomment:0; } + const char *comment(bool can_be_empty=false) const { + const char *result=fcomment && *fcomment?fcomment:0; + if(can_be_empty) + return result; + else + return result?result:""; + } private: - mutable const String *ftype, *fcode, *fproblem_source; - mutable char fcomment[MAX_STRING]; + const char *ftype; + const String *fproblem_source; + bool owns_comment; char *fcomment; + }; #endif