X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/be2a1a68efe93f7046f77b81346e4c740c14fb40..78bcec17c82fe777c90f86717773de35bb5018e7:/src/scan-skel.l diff --git a/src/scan-skel.l b/src/scan-skel.l index 82f9ed1a..e56d3723 100644 --- a/src/scan-skel.l +++ b/src/scan-skel.l @@ -18,26 +18,52 @@ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -%option nodefault noyywrap nounput +%option nodefault noyywrap nounput never-interactive %option prefix="skel_" outfile="lex.yy.c" %{ #include "system.h" +#include "error.h" +#include "getargs.h" #include "files.h" -int skel_lex PARAMS ((void)); +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'; - skel_out = xfopen (yytext + strlen ("#output \""), "w"); + XFREE (yyoutname); + yyoutname = xstrdup (yytext + strlen ("#output \"")); + yyout = xfopen (yyoutname, "w"); yylineno = 1; } -"__oline__" fprintf (yyout, "%d", yylineno); -[^_\n]+ ECHO; +"@<:@" fputc ('[', yyout); +"@:>@" fputc (']', yyout); + +"__oline__" fprintf (yyout, "%d", yylineno+1); +"__ofile__" fprintf (yyout, "%s", yyoutname); +[^@_\n]+ ECHO; \n+ yylineno += yyleng; ECHO; . ECHO; +<> 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); +}