115 lines
2.1 KiB
Plaintext
115 lines
2.1 KiB
Plaintext
/* 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
|