X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/3fc16193d99d8ae347fa44d31edd884279d78310..4f6e011e2eececfe5fb2c467da542615f26439bc:/src/scan-skel.l diff --git a/src/scan-skel.l b/src/scan-skel.l index 47b696da..06370fa6 100644 --- a/src/scan-skel.l +++ b/src/scan-skel.l @@ -1,6 +1,6 @@ /* Scan Bison Skeletons. -*- C -*- - Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. @@ -16,22 +16,27 @@ 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. */ + Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301, USA. */ %option nodefault noyywrap nounput never-interactive debug %option prefix="skel_" outfile="lex.yy.c" %{ +/* Work around a bug in flex 2.5.31. See Debian bug 333231 + . */ +#undef skel_wrap +#define skel_wrap() 1 + #include "system.h" #include #include +#include "complain.h" #include "getargs.h" #include "files.h" - -int skel_lex (void); +#include "scan-skel.h" #define QPUTS(String) \ fputs (quotearg_style (c_quoting_style, (String)), yyout) @@ -45,22 +50,25 @@ int skel_lex (void); %} "@output ".*\n { - char const *filename = yytext + sizeof "@output " - 1; + char const *file_name = yytext + sizeof "@output " - 1; yytext[yyleng - 1] = '\0'; - if (*filename == '@') + if (*file_name == '@') { - if (strcmp (filename, "@output_header_name@") == 0) - filename = spec_defines_file; - else if (strcmp (filename, "@output_parser_name@") == 0) - filename = parser_file_name; + if (strcmp (file_name, "@output_header_name@") == 0) + file_name = spec_defines_file; + else if (strcmp (file_name, "@output_parser_name@") == 0) + file_name = parser_file_name; else fatal ("invalid token in skeleton: %s", yytext); } - XFREE (outname); - outname = xstrdup (filename); - xfclose (yyout); + if (outname) + { + free (outname); + xfclose (yyout); + } + outname = xstrdup (file_name); yyout = xfopen (outname, "w"); lineno = 1; } @@ -71,23 +79,29 @@ int skel_lex (void); "@oline@" fprintf (yyout, "%d", lineno + 1); "@ofile@" QPUTS (outname); +"@dir_prefix@" QPUTS (dir_prefix); "@output_parser_name@" QPUTS (parser_file_name); -"@output_header_name@" QPUTS (spec_defines_file); +"@output_header_name@" QPUTS (spec_defines_file); /* This pattern must not match more than the previous @ patterns. */ @[^{}@\n]* fatal ("invalid @ in skeleton: %s", yytext); \n lineno++; ECHO; [^@\n]+ ECHO; -<> xfclose (yyout); free (outname); return EOF; +<> { + if (outname) + { + free (outname); + xfclose (yyout); + } + return EOF; +} %% /*------------------------. | Scan a Bison skeleton. | `------------------------*/ -void scan_skel (FILE *); - void scan_skel (FILE *in) {