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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /gas/itbl-lex.l
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19990502 sourceware importbinu_ss_19990502
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+/* itbl-lex.l
+ Copyright (C) 1997 Free Software Foundation, Inc.
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS 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, or (at your option)
+ any later version.
+
+ GAS 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 GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+%{
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include "itbl-parse.h"
+
+#ifdef DEBUG
+#define DBG(x) printf x
+#define MDBG(x) printf x
+#else
+#define DBG(x)
+#define MDBG(x)
+#endif
+
+int insntbl_line = 1;
+%}
+
+ALNUM [A-Za-z0-9_]
+DIGIT [0-9]
+ALPHA [A-Za-z_]
+HEX [0-9A-Fa-f]
+
+%%
+
+"creg"|"CREG" {
+ return CREG;
+ }
+"dreg"|"DREG" {
+ return DREG;
+ }
+"greg"|"GREG" {
+ return GREG;
+ }
+"immed"|"IMMED" {
+ return IMMED;
+ }
+"addr"|"ADDR" {
+ return ADDR;
+ }
+"insn"|"INSN" {
+ return INSN;
+ }
+"p"{DIGIT} {
+ yytext[yyleng] = 0;
+ yylval.processor = strtoul (yytext+1, 0, 0);
+ return PNUM;
+ }
+{DIGIT}+ {
+ yytext[yyleng] = 0;
+ yylval.num = strtoul (yytext, 0, 0);
+ return NUM;
+ }
+"0x"{HEX}+ {
+ yytext[yyleng] = 0;
+ yylval.num = strtoul (yytext, 0, 0);
+ return NUM;
+ }
+{ALPHA}{ALNUM}* {
+ yytext[yyleng] = 0;
+ yylval.str = strdup (yytext);
+ return ID;
+ }
+";"|"#" {
+ int c;
+ while ((c = input ()) != EOF)
+ {
+ if (c == '\n')
+ {
+ unput (c);
+ break;
+ }
+ }
+ }
+"\n" {
+ insntbl_line++;
+ MDBG (("in lex, NL = %d (x%x)\n", NL, NL));
+ return NL;
+ }
+" "|"\t" {
+ }
+. {
+ MDBG (("char = %x, %d\n", yytext[0], yytext[0]));
+ return yytext[0];
+ }
+%%
+
+#ifndef yywrap
+int
+yywrap ()
+ {
+ return 1;
+ }
+#endif