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Lex Description | 1992-05-27 | 2.2 KB | 83 lines |
- %{
- /* arlex.l - Strange script language lexer */
-
- /* Copyright (C) 1992 Free Software Foundation, Inc.
-
- This file is part of GNU Binutils.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-
- /* Contributed by Steve Chamberlain
- sac@cygnus.com
-
- */
- #define DONTDECLARE_MALLOC
- #include <ansidecl.h>
- #include "arparse.h"
- extern char *strdup();
- int linenumber;
- %}
- %%
-
- "ADDLIB" { return ADDLIB; }
- "ADDMOD" { return ADDMOD; }
- "CLEAR" { return CLEAR; }
- "CREATE" { return CREATE; }
- "DELETE" { return DELETE; }
- "DIRECTORY" { return DIRECTORY; }
- "END" { return END; }
- "EXTRACT" { return EXTRACT; }
- "FULLDIR" { return FULLDIR; }
- "HELP" { return HELP; }
- "LIST" { return LIST; }
- "OPEN" { return OPEN; }
- "REPLACE" { return REPLACE; }
- "VERBOSE" { return VERBOSE; }
- "SAVE" { return SAVE; }
- "addlib" { return ADDLIB; }
- "addmod" { return ADDMOD; }
- "clear" { return CLEAR; }
- "create" { return CREATE; }
- "delete" { return DELETE; }
- "directory" { return DIRECTORY; }
- "end" { return END; }
- "extract" { return EXTRACT; }
- "fulldir" { return FULLDIR; }
- "help" { return HELP; }
- "list" { return LIST; }
- "open" { return OPEN; }
- "replace" { return REPLACE; }
- "verbose" { return VERBOSE; }
- "save" { return SAVE; }
- "+\n" { linenumber ++; }
- "(" { return '('; }
- ")" { return ')'; }
- "," { return ','; }
- [A-Za-z0-9/$:.\-\_]+ {
- yylval.name = strdup(yytext);
- return FILENAME;
- }
- "*".* { }
- ";".* { }
- " " { }
- "\n" { linenumber ++; return NEWLINE; }
-
- %%
- #ifndef yywrap
- /* Needed for lex, though not flex. */
- int yywrap() { return 1; }
- #endif
-