Files
bison/src/scan-skel.l
Akim Demaille 6e40b4ebd4 #line should have quoted strings.
Ideally, this should be done by m4_quotearg.
* src/scan-skel.l: Include quotearg.h.
Quote __ofile__.
* src/output.c (symbol_printers_output)
(symbol_destructors_output): Quote the file name.
2002-11-06 16:22:04 +00:00

74 lines
2.0 KiB
C

/* Scan Bison Skeletons. -*- C -*-
Copyright (C) 2001, 2002 Free Software Foundation, Inc.
This file is part of Bison, the GNU Compiler Compiler.
Bison 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.
Bison 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 Bison; see the file COPYING. If not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
%option nodefault noyywrap nounput never-interactive
%option prefix="skel_" outfile="lex.yy.c"
%{
#include "system.h"
#include "quotearg.h"
#include "error.h"
#include "getargs.h"
#include "files.h"
int skel_lex (void);
static int yylineno = 1;
static char *yyoutname = NULL;
%}
%%
/* This is an approximation, but we don't need more. */
^"#output \""[^\"]+\"\n {
yytext[yyleng - 2] = '\0';
XFREE (yyoutname);
yyoutname = xstrdup (yytext + strlen ("#output \""));
yyout = xfopen (yyoutname, "w");
yylineno = 1;
}
"@<:@" fputc ('[', yyout);
"@:>@" fputc (']', yyout);
"__oline__" fprintf (yyout, "%d", yylineno+1);
"__ofile__" fprintf (yyout, "%s", quotearg_style (escape_quoting_style, yyoutname));
[^@_\n]+ ECHO;
\n+ yylineno += yyleng; ECHO;
. ECHO;
<<EOF>> xfclose (yyout); free (yyoutname); return EOF;
%%
/*------------------------.
| Scan a Bison skeleton. |
`------------------------*/
void scan_skel (FILE *);
void
scan_skel (FILE *in)
{
skel_in = in;
skel_lex ();
/* Reclaim Flex's buffers. */
yy_delete_buffer (YY_CURRENT_BUFFER);
}