projects / bison.git / blame
| Commit | Line | Data |
|---|---|---|
| f7d4d87a | 1 | /* Token type definitions for bison's input reader, |
| aa7815f5 | 2 | Copyright 1984, 1989, 1992, 2000 Free Software Foundation, Inc. |
| abadc117 AD |
3 | |
| 4 | This file is part of Bison, the GNU Compiler Compiler. | |
| 5 | ||
| 6 | Bison is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2, or (at your option) | |
| 9 | any later version. | |
| 10 | ||
| 11 | Bison is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with Bison; see the file COPYING. If not, write to | |
| 18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 19 | Boston, MA 02111-1307, USA. */ | |
| 20 | ||
| 21 | #ifndef LEX_H_ | |
| 22 | # define LEX_H_ | |
| 23 | ||
| 24 | /* Token-type codes. */ | |
| 25 | # define ENDFILE 0 | |
| 26 | # define IDENTIFIER 1 | |
| 27 | # define COMMA 2 | |
| 28 | # define COLON 3 | |
| 29 | # define SEMICOLON 4 | |
| 30 | # define BAR 5 | |
| 31 | # define LEFT_CURLY 6 | |
| 32 | # define TWO_PERCENTS 7 | |
| 33 | # define PERCENT_LEFT_CURLY 8 | |
| 34 | # define TOKEN 9 | |
| 35 | # define NTERM 10 | |
| 36 | # define GUARD 11 | |
| 37 | # define TYPE 12 | |
| 38 | # define UNION 13 | |
| 39 | # define START 14 | |
| 40 | # define LEFT 15 | |
| 41 | # define RIGHT 16 | |
| 42 | # define NONASSOC 17 | |
| 43 | # define PREC 18 | |
| 44 | # define SEMANTIC_PARSER 19 | |
| 45 | # define PURE_PARSER 20 | |
| 46 | # define TYPENAME 21 | |
| 47 | # define NUMBER 22 | |
| 48 | # define EXPECT 23 | |
| 49 | # define THONG 24 | |
| 50 | # define NOOP 25 | |
| 51 | # define SETOPT 26 | |
| 52 | # define ILLEGAL 27 | |
| 53 | ||
| 54 | # define MAXTOKEN 1024 | |
| 55 | ||
| 340ef489 AD |
56 | |
| 57 | /* Allocated size of token_buffer, not including space for terminator. */ | |
| 58 | extern int maxtoken; | |
| 59 | extern char *token_buffer; | |
| abadc117 | 60 | char *grow_token_buffer PARAMS ((char *)); |
| 340ef489 AD |
61 | |
| 62 | void init_lex PARAMS ((void)); | |
| abadc117 AD |
63 | int skip_white_space PARAMS ((void)); |
| 64 | void unlex PARAMS ((int)); | |
| f282676b | 65 | void read_type_name PARAMS ((FILE *fin)); |
| abadc117 AD |
66 | |
| 67 | /* Return one of the token-type codes. When an identifier is seen, | |
| 68 | the code IDENTIFIER is returned and the name is looked up in the | |
| 69 | symbol table using symtab.c; symval is set to a pointer to the | |
| 70 | entry found. */ | |
| 71 | ||
| 72 | int lex PARAMS ((void)); | |
| 73 | ||
| 74 | int parse_percent_token PARAMS ((void)); | |
| 75 | ||
| 340ef489 AD |
76 | extern bucket *symval; |
| 77 | extern int numval; | |
| abadc117 AD |
78 | |
| 79 | #endif /* !LEX_H_ */ |