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| version 1.12, 2001/05/17 10:22:24 | version 1.50, 2007/08/28 09:26:52 |
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| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: exception decls. | Parser: exception decls. |
| Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001-2005 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | |
| Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf) | |
| $Id$ | |
| */ | */ |
| #ifndef PA_EXCEPTION_H | #ifndef PA_EXCEPTION_H |
| #define PA_EXCEPTION_H | #define PA_EXCEPTION_H |
| #include "pa_config_includes.h" | static const char * const IDENT_EXCEPTION_H="$Date$"; |
| #include "pa_types.h" | |
| #include "pa_string.h" | const char* const PARSER_RUNTIME = "parser.runtime"; |
| const char* const NAME_MUST_BE_STRING = "name must be string"; | |
| const char* const FILE_NAME_MUST_BE_STRING = "file name must be string"; | |
| const char* const NAMESPACEURI_MUST_BE_STRING = "namespaceURI must be string"; | |
| const char* const DATA_MUST_BE_STRING = "data must be string"; | |
| const char* const LOCALNAME_MUST_BE_STRING = "localName must be string"; | |
| const char* const VALUE_MUST_BE_STRING = "value must be string"; | |
| const char* const PARAMETER_MUST_BE_STRING = "parameter must be string"; | |
| const char* const COLUMN_NAME_MUST_BE_STRING = "column name must be string"; | |
| const char* const FILE_NAME_MUST_NOT_BE_CODE = "file name must not be code"; | |
| const char* const COORDINATES_MUST_NOT_BE_CODE = "coordinates must not be code"; | |
| // includes | |
| #include "pa_memory.h" | |
| // forwards | |
| class String; | |
| // defines | |
| /// Just simple longjump mechanizm dressed in class clothes. use Temp_exception | |
| class Exception { | class Exception { |
| public: | public: |
| /** | Exception(); |
| address for long jump to jump to | Exception( |
| regretfully public: | const char* atype, |
| can't make local unless sure of inlining | const String* aproblem_source, |
| for to-die stack frame ruins it all | const char* comment_fmt, ...); |
| */ | Exception(const Exception& src); |
| mutable jmp_buf mark; | operator bool() { return ftype || fproblem_source || fcomment; } |
| Exception& operator =(const Exception& src); | |
| /// 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 | /// extracts exception type |
| const String *type() const { return ftype; } | const char* type(bool can_be_empty=false) const { |
| /// extracts exception code | if(can_be_empty) |
| const String *code() const { return fcode; } | return ftype; |
| else | |
| return ftype?ftype:"<no type>"; | |
| } | |
| /// extracts exception problem_source | /// extracts exception problem_source |
| const String *problem_source() const { return fproblem_source; } | const String* problem_source() const; |
| /// extracts exception comment | /// 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; | |
| private: | if(can_be_empty) |
| return result; | |
| else | |
| return result?result:"<no comment>"; | |
| } | |
| protected: | |
| const char* ftype; | |
| const String* fproblem_source; | |
| char* fcomment; | |
| mutable const String *ftype, *fcode, *fproblem_source; | |
| mutable char fcomment[MAX_STRING]; | |
| }; | }; |
| #endif | #endif |