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cleanup pic_read

This commit is contained in:
Yuichi Nishiwaki 2015-06-29 02:04:55 +09:00
parent 5138ab4a8c
commit f6a727beb4
1 changed files with 8 additions and 11 deletions
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19
extlib/benz/read.c
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@ -857,23 +857,20 @@ pic_read(pic_state *pic, struct pic_port *port)
{
size_t ai = pic_gc_arena_preserve(pic);
pic_value val;
int c = next(pic, port);
int c;
retry:
c = skip(pic, port, c);
while ((c = skip(pic, port, next(pic, port))) != EOF) {
val = read_nullable(pic, port, c);
if (! pic_invalid_p(val)) {
break;
}
pic_gc_arena_restore(pic, ai);
}
if (c == EOF) {
return pic_eof_object();
}
val = read_nullable(pic, port, c);
if (pic_invalid_p(val)) {
c = next(pic, port);
pic_gc_arena_restore(pic, ai);
goto retry;
}
pic_gc_arena_restore(pic, ai);
return pic_gc_protect(pic, val);
}