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Handle define of macro without value.

This commit is contained in:
steve 2000-03-29 04:36:42 +00:00
parent 995f61ace4
commit 995f7e89d1
1 changed files with 11 additions and 1 deletions
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12
ivlpp/lexor.lex
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@ -19,7 +19,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/ */
#if !defined(WINNT) #if !defined(WINNT)
#ident "$Id: lexor.lex,v 1.16 2000/03/18 06:12:26 steve Exp $" #ident "$Id: lexor.lex,v 1.17 2000/03/29 04:36:42 steve Exp $"
#endif #endif
# include <stdio.h> # include <stdio.h>
@ -35,6 +35,7 @@ static void output_init();
static void def_match(); static void def_match();
static void def_start(); static void def_start();
static void def_finish();
static void def_undefine(); static void def_undefine();
static void do_define(); static void do_define();
static int is_defined(const char*name); static int is_defined(const char*name);
@ -135,12 +136,14 @@ W [ \t\b\f]+
<PPDEFINE>.* { do_define(); } <PPDEFINE>.* { do_define(); }
<PPDEFINE>\n { <PPDEFINE>\n {
def_finish();
istack->lineno += 1; istack->lineno += 1;
fputc('\n', yyout); fputc('\n', yyout);
BEGIN(0); BEGIN(0);
} }
<PPDEFINE><<EOF>> { <PPDEFINE><<EOF>> {
def_finish();
istack->lineno += 1; istack->lineno += 1;
fputc('\n', yyout); fputc('\n', yyout);
BEGIN(0); BEGIN(0);
@ -326,6 +329,13 @@ static void do_define()
} }
define_macro(def_name, yytext); define_macro(def_name, yytext);
def_name[0] = 0;
}
static void def_finish()
{
if (def_name[0])
define_macro(def_name, "1");
} }
static void def_undefine() static void def_undefine()