diff options
author | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1997-05-29 09:30:28 +0000 |
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committer | Niklas Hallqvist <niklas@cvs.openbsd.org> | 1997-05-29 09:30:28 +0000 |
commit | 5e8c4117fd51ae22bed414c7358df77884a216cf (patch) | |
tree | 11a6818390376768cc2c91b0c9a929723b71bebe /gnu/usr.bin/binutils/gas/itbl-lex.l | |
parent | 0939272cc89838d2549c2e7bcd4c5cf92eba738c (diff) |
Import of binutils-2.8.1 from Cygnus/FSF
Diffstat (limited to 'gnu/usr.bin/binutils/gas/itbl-lex.l')
-rw-r--r-- | gnu/usr.bin/binutils/gas/itbl-lex.l | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gas/itbl-lex.l b/gnu/usr.bin/binutils/gas/itbl-lex.l new file mode 100644 index 00000000000..1703eda0ba7 --- /dev/null +++ b/gnu/usr.bin/binutils/gas/itbl-lex.l @@ -0,0 +1,112 @@ +/* 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]; + } +%% + +int +yywrap () + { + return 1; + } |