mirror of
https://github.com/openharmony/third_party_elfutils.git
synced 2026-08-26 20:37:33 -04:00
lizhenlin
131 lines
2.6 KiB
Plaintext
131 lines
2.6 KiB
Plaintext
%top{
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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}
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%{
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/* Copyright (C) 2004, 2005, 2007, 2008 Red Hat, Inc.
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Written by Ulrich Drepper <drepper@redhat.com>, 2004.
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This file is free software; you can redistribute it and/or modify
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it under the terms of either
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at
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your option) any later version
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at
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your option) any later version
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or both in parallel, as here.
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elfutils is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see <http://www.gnu.org/licenses/>. */
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#include <ctype.h>
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#include <libeu.h>
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#include "system.h"
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#include "i386_parse.h"
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static void eat_to_eol (void);
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static void invalid_char (int ch);
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%}
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ID [a-zA-Z_][a-zA-Z0-9_/]*
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ID2 [a-zA-Z0-9_:/]*
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NUMBER [0-9]+
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WHITE [[:space:]]+
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%option yylineno
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%option never-interactive
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%option noyywrap
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%x MAIN
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%%
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"%mask" { return kMASK; }
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"%prefix" { return kPREFIX; }
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"%suffix" { return kSUFFIX; }
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"%synonym" { return kSYNONYM; }
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{NUMBER} { i386_lval.num = strtoul (yytext, NULL, 10);
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return kNUMBER; }
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"%%" { BEGIN (MAIN); return kPERCPERC; }
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<MAIN>"0" { return '0'; }
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<MAIN>"1" { return '1'; }
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<INITIAL,MAIN>"{"{ID2}"}" { i386_lval.str = xstrndup (yytext + 1,
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yyleng - 2);
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return kBITFIELD; }
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<MAIN>"INVALID" { i386_lval.str = (void *) -1l;
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return kID; }
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<MAIN>{ID} { i386_lval.str = xstrndup (yytext, yyleng);
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return kID; }
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<MAIN>"," { return ','; }
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<MAIN>":" { return ':'; }
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<INITIAL,MAIN>^"\n" { /* IGNORE */ }
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<INITIAL,MAIN>"\n" { return '\n'; }
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<INITIAL,MAIN>^"#" { eat_to_eol (); }
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{WHITE} { /* IGNORE */ }
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<MAIN>{WHITE} { return kSPACE; }
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<MAIN>. { i386_lval.ch = *yytext; return kCHAR; }
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. { invalid_char (*yytext); }
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%%
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static void
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eat_to_eol (void)
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{
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while (1)
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{
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int c = input ();
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if (c == EOF || c == '\n')
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break;
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}
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}
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static void
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invalid_char (int ch)
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{
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error (0, 0, (isascii (ch)
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? _("invalid character '%c' at line %d; ignored")
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: _("invalid character '\\%o' at line %d; ignored")),
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ch, yylineno);
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}
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// Local Variables:
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// mode: C
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// End:
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