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47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
/* Scan User Actions. -*- C -*-
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Copyright (C) 2002 Free Software Foundation, Inc.
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This file is part of Bison, the GNU Compiler Compiler.
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Bison is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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Bison 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 a copy of the GNU General Public License
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along with Bison; see the file COPYING. If not, write to the Free
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Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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%option nodefault noyywrap nounput
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%option prefix="action_" outfile="lex.yy.c"
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%{
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#include "system.h"
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#include "files.h"
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int skel_lex (void);
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static int yylineno = 1;
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%}
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%x DOLLAR
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ID [a-zA-Z]+
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NUM -?[0-9]+
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%%
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$(-?[0-9])+ { fprintf (action_out, "yylsp[%s]", yytext + 1) ;}
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@(-?[0-9])+ { fprintf (action_out, "yylsp[%s]", yytext + 1) ;}
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$<{ID} { action_type = xstrndup (yytext + 2, yyleng - 2); BEGIN DOLLAR;}
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$ { BEGIN DOLLAR;}
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<DOLLAR>
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{
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{NUM}> { fprintf (action_out, "yyvsp[%s]", NUM }
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}
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%%
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