projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 252b5132 | 1 | /* itbl-lex.l |
| 3882b010 | 2 | Copyright 1997, 1998, 2001 Free Software Foundation, Inc. |
| 252b5132 RH |
3 | |
| 4 | This file is part of GAS, the GNU Assembler. | |
| 5 | ||
| 6 | GAS 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 | GAS 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 GAS; see the file COPYING. If not, write to the Free | |
| 18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
| 19 | 02111-1307, USA. */ | |
| 20 | ||
| 21 | %{ | |
| 22 | #include <stdio.h> | |
| 23 | #include <string.h> | |
| 24 | #include <stdlib.h> | |
| 252b5132 RH |
25 | #include "itbl-parse.h" |
| 26 | ||
| 27 | #ifdef DEBUG | |
| 28 | #define DBG(x) printf x | |
| 29 | #define MDBG(x) printf x | |
| 30 | #else | |
| 31 | #define DBG(x) | |
| 32 | #define MDBG(x) | |
| 33 | #endif | |
| 34 | ||
| 35 | int insntbl_line = 1; | |
| 36 | %} | |
| 37 | ||
| 38 | ALNUM [A-Za-z0-9_] | |
| 39 | DIGIT [0-9] | |
| 40 | ALPHA [A-Za-z_] | |
| 41 | HEX [0-9A-Fa-f] | |
| 42 | ||
| 43 | %% | |
| 44 | ||
| 45 | "creg"|"CREG" { | |
| 46 | return CREG; | |
| 47 | } | |
| 48 | "dreg"|"DREG" { | |
| 49 | return DREG; | |
| 50 | } | |
| 51 | "greg"|"GREG" { | |
| 52 | return GREG; | |
| 53 | } | |
| 54 | "immed"|"IMMED" { | |
| 55 | return IMMED; | |
| 56 | } | |
| 57 | "addr"|"ADDR" { | |
| 58 | return ADDR; | |
| 59 | } | |
| 60 | "insn"|"INSN" { | |
| 61 | return INSN; | |
| 62 | } | |
| 63 | "p"{DIGIT} { | |
| 64 | yytext[yyleng] = 0; | |
| 65 | yylval.processor = strtoul (yytext+1, 0, 0); | |
| 66 | return PNUM; | |
| 67 | } | |
| 68 | {DIGIT}+ { | |
| 69 | yytext[yyleng] = 0; | |
| 70 | yylval.num = strtoul (yytext, 0, 0); | |
| 71 | return NUM; | |
| 72 | } | |
| 73 | "0x"{HEX}+ { | |
| 74 | yytext[yyleng] = 0; | |
| 75 | yylval.num = strtoul (yytext, 0, 0); | |
| 76 | return NUM; | |
| 77 | } | |
| 78 | {ALPHA}{ALNUM}* { | |
| 79 | yytext[yyleng] = 0; | |
| 80 | yylval.str = strdup (yytext); | |
| 81 | return ID; | |
| 82 | } | |
| 83 | ";"|"#" { | |
| 84 | int c; | |
| 85 | while ((c = input ()) != EOF) | |
| 86 | { | |
| 87 | if (c == '\n') | |
| 88 | { | |
| 89 | unput (c); | |
| 90 | break; | |
| 91 | } | |
| 92 | } | |
| 93 | } | |
| 94 | "\n" { | |
| 95 | insntbl_line++; | |
| 96 | MDBG (("in lex, NL = %d (x%x)\n", NL, NL)); | |
| 97 | return NL; | |
| 98 | } | |
| 99 | " "|"\t" { | |
| 100 | } | |
| 101 | . { | |
| 102 | MDBG (("char = %x, %d\n", yytext[0], yytext[0])); | |
| 103 | return yytext[0]; | |
| 104 | } | |
| 105 | %% | |
| 106 | ||
| 107 | #ifndef yywrap | |
| 108 | int | |
| 109 | yywrap () | |
| 110 | { | |
| 111 | return 1; | |
| 112 | } | |
| 113 | #endif |