| 1 | /* itbl-lex.l
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| 2 | Copyright 1997, 1998, 2001 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is part of GAS, the GNU Assembler.
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| 5 |
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| 6 | GAS is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 2, or (at your option)
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| 9 | any later version.
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| 10 |
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| 11 | GAS is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with GAS; see the file COPYING. If not, write to the Free
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| 18 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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| 19 | 02111-1307, USA. */
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| 20 |
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| 21 | %{
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| 22 | #include <stdio.h>
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| 23 | #include <string.h>
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| 24 | #include <stdlib.h>
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| 25 |
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| 26 | #include <itbl-parse.h>
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| 27 |
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| 28 | #ifdef DEBUG
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| 29 | #define DBG(x) printf x
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| 30 | #define MDBG(x) printf x
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| 31 | #else
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| 32 | #define DBG(x)
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| 33 | #define MDBG(x)
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| 34 | #endif
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| 35 |
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| 36 | int insntbl_line = 1;
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| 37 | %}
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| 38 |
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| 39 | ALNUM [A-Za-z0-9_]
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| 40 | DIGIT [0-9]
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| 41 | ALPHA [A-Za-z_]
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| 42 | HEX [0-9A-Fa-f]
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| 43 |
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| 44 | %%
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| 45 |
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| 46 | "creg"|"CREG" {
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| 47 | return CREG;
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| 48 | }
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| 49 | "dreg"|"DREG" {
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| 50 | return DREG;
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| 51 | }
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| 52 | "greg"|"GREG" {
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| 53 | return GREG;
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| 54 | }
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| 55 | "immed"|"IMMED" {
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| 56 | return IMMED;
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| 57 | }
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| 58 | "addr"|"ADDR" {
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| 59 | return ADDR;
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| 60 | }
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| 61 | "insn"|"INSN" {
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| 62 | return INSN;
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| 63 | }
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| 64 | "p"{DIGIT} {
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| 65 | yytext[yyleng] = 0;
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| 66 | yylval.processor = strtoul (yytext+1, 0, 0);
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| 67 | return PNUM;
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| 68 | }
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| 69 | {DIGIT}+ {
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| 70 | yytext[yyleng] = 0;
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| 71 | yylval.num = strtoul (yytext, 0, 0);
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| 72 | return NUM;
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| 73 | }
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| 74 | "0x"{HEX}+ {
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| 75 | yytext[yyleng] = 0;
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| 76 | yylval.num = strtoul (yytext, 0, 0);
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| 77 | return NUM;
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| 78 | }
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| 79 | {ALPHA}{ALNUM}* {
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| 80 | yytext[yyleng] = 0;
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| 81 | yylval.str = strdup (yytext);
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| 82 | return ID;
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| 83 | }
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| 84 | ";"|"#" {
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| 85 | int c;
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| 86 | while ((c = input ()) != EOF)
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| 87 | {
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| 88 | if (c == '\n')
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| 89 | {
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| 90 | unput (c);
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| 91 | break;
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| 92 | }
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| 93 | }
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| 94 | }
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| 95 | "\n" {
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| 96 | insntbl_line++;
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| 97 | MDBG (("in lex, NL = %d (x%x)\n", NL, NL));
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| 98 | return NL;
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| 99 | }
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| 100 | " "|"\t" {
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| 101 | }
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| 102 | . {
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| 103 | MDBG (("char = %x, %d\n", yytext[0], yytext[0]));
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| 104 | return yytext[0];
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| 105 | }
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| 106 | %%
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| 107 |
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| 108 | #ifndef yywrap
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| 109 | int
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| 110 | yywrap ()
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| 111 | {
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| 112 | return 1;
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| 113 | }
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| 114 | #endif
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