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|
%option noyywrap
/* itbl-lex.l
Copyright (C) 1997-2019 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 3, 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, 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
%{
#include "as.h"
#include "itbl-lex.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];
}
%%
|
