/* * Copyright (c) 2007 The Akuma Project * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * $Id: lexer.h 133 2007-05-29 14:32:04Z asmodai $ */ /* Crown Copyright (c) 1997 This TenDRA(r) Computer Program is subject to Copyright owned by the United Kingdom Secretary of State for Defence acting through the Defence Evaluation and Research Agency (DERA). It is made available to Recipients with a royalty-free licence for its use, reproduction, transfer to other parties and amendment for any purpose not excluding product development provided that any such use et cetera shall be deemed to be acceptance of the following conditions:- (1) Its Recipients shall ensure that this Notice is reproduced upon any copies or amended versions of it; (2) Any amended version of it shall be clearly marked to show both the nature of and the organisation responsible for the relevant amendment or amendments; (3) Its onward transfer from a recipient to another party shall be deemed to be that party's acceptance of these conditions; (4) DERA gives no warranty or assurance as to its quality or suitability for any purpose and DERA accepts no liability whatsoever in relation to any use to which it may be put. */ /*** lexer.h --- SID lexical analyser. * ** Author: Steve Folkes * *** Commentary: * * See the file "lexer.c" for more information. * *** Change Log: * $Log: lexer.h,v $ * Revision 1.1.1.1 1998/01/17 15:57:42 release * First version to be checked into rolling release. * * Revision 1.2 1994/12/15 09:57:28 smf * Brought into line with OSSG C Coding Standards Document, as per * "CR94_178.sid+tld-update". * * Revision 1.1.1.1 1994/07/25 16:04:24 smf * Initial import of SID 1.8 non shared files. * **/ /****************************************************************************/ #ifndef H_LEXER #define H_LEXER #include "os-interface.h" #include "dstring.h" #include "istream.h" /**** Note: * * It is important that any changes to this enumerated type declaration are * reflected in the "parser.sid" file. **/ #ifdef FS_NO_ENUM typedef int LexerTokenT, *LexerTokenP; #define LEXER_TOK_BLT_TYPES (0) #define LEXER_TOK_BLT_TERMINALS (1) #define LEXER_TOK_BLT_PRODUCTIONS (2) #define LEXER_TOK_BLT_ENTRY (3) #define LEXER_TOK_IDENTIFIER (4) #define LEXER_TOK_TYPEMARK (5) #define LEXER_TOK_OPEN_TUPLE (6) #define LEXER_TOK_CLOSE_TUPLE (7) #define LEXER_TOK_ARROW (8) #define LEXER_TOK_TERMINATOR (9) #define LEXER_TOK_BEGIN_ACTION (10) #define LEXER_TOK_END_ACTION (11) #define LEXER_TOK_DEFINE (12) #define LEXER_TOK_BEGIN_RULE (13) #define LEXER_TOK_END_RULE (14) #define LEXER_TOK_ALT_SEP (15) #define LEXER_TOK_HANDLER_SEP (16) #define LEXER_TOK_EMPTY (17) #define LEXER_TOK_PRED_RESULT (18) #define LEXER_TOK_IGNORE (19) #define LEXER_TOK_SCOPEMARK (20) #define LEXER_TOK_BEGIN_SCOPE (21) #define LEXER_TOK_END_SCOPE (22) #define LEXER_TOK_SEPARATOR (23) #define LEXER_TOK_REFERENCE (24) #define LEXER_TOK_EOF (25) #define LEXER_TOK_ERROR (26) #else typedef enum { LEXER_TOK_BLT_TYPES, LEXER_TOK_BLT_TERMINALS, LEXER_TOK_BLT_PRODUCTIONS, LEXER_TOK_BLT_ENTRY, LEXER_TOK_IDENTIFIER, LEXER_TOK_TYPEMARK, LEXER_TOK_OPEN_TUPLE, LEXER_TOK_CLOSE_TUPLE, LEXER_TOK_ARROW, LEXER_TOK_TERMINATOR, LEXER_TOK_BEGIN_ACTION, LEXER_TOK_END_ACTION, LEXER_TOK_DEFINE, LEXER_TOK_BEGIN_RULE, LEXER_TOK_END_RULE, LEXER_TOK_ALT_SEP, LEXER_TOK_HANDLER_SEP, LEXER_TOK_EMPTY, LEXER_TOK_PRED_RESULT, LEXER_TOK_IGNORE, LEXER_TOK_SCOPEMARK, LEXER_TOK_BEGIN_SCOPE, LEXER_TOK_END_SCOPE, LEXER_TOK_SEPARATOR, LEXER_TOK_REFERENCE, LEXER_TOK_EOF, LEXER_TOK_ERROR } LexerTokenT, *LexerTokenP; #endif /* defined (FS_NO_ENUM) */ typedef struct LexT { LexerTokenT t; union { NStringT string; } u; } LexT, *LexP; typedef struct LexerStreamT { IStreamT istream; LexT token; LexerTokenT saved_terminal; } LexerStreamT, *LexerStreamP; /*--------------------------------------------------------------------------*/ extern void lexer_init(LexerStreamP, IStreamP); extern void lexer_close(LexerStreamP); extern CStringP lexer_stream_name(LexerStreamP); extern unsigned lexer_stream_line(LexerStreamP); extern LexerTokenT lexer_get_terminal(LexerStreamP); extern void lexer_next_token(LexerStreamP); extern NStringP lexer_string_value(LexerStreamP); extern void lexer_save_terminal(LexerStreamP, LexerTokenT); extern void lexer_restore_terminal(LexerStreamP); /*--------------------------------------------------------------------------*/ #ifdef FS_FAST #define lexer_close(s) (istream_close(&((s)->istream))) #define lexer_stream_name(s) (istream_name(&((s)->istream))) #define lexer_stream_line(s) (istream_line(&((s)->istream))) #define lexer_get_terminal(s) ((s)->token.t) #define lexer_string_value(s) (&((s)->token.u.string)) #endif /* defined (FS_FAST) */ #endif /* !defined (H_LEXER) */ /* * Local variables(smf): * eval: (include::add-path-entry "../os-interface" "../library") * eval: (include::add-path-entry "../transforms" "../generated") * end: **/