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examples: simplify computation of yydebug

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* examples/c/lexcalc/parse.y: here.
This commit is contained in:
Akim Demaille
2018-12-10 06:33:50 +01:00
parent 81dbd0d82e
commit afdefecab6
1 changed files with 2 additions and 3 deletions
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5
examples/c/lexcalc/parse.y
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@@ -86,9 +86,8 @@ void yyerror(int *nerrs, const char *msg)
int main (void) int main (void)
{ {
int nerrs = 0; int nerrs = 0;
// Enable parser runtime debugging. // Possibly enable parser runtime debugging.
if (!!getenv ("YYDEBUG")) yydebug = !!getenv ("YYDEBUG");
yydebug = 1;
yyparse (&nerrs); yyparse (&nerrs);
// Exit on failure if there were errors. // Exit on failure if there were errors.
return !!nerrs; return !!nerrs;