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don't output extraneous comma in symbol sets

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This commit is contained in:
Sven M. Hallberg 2013-05-07 18:51:42 +02:00
parent 16f933013a
commit e31e03927a
1 changed files with 5 additions and 2 deletions
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7
src/backends/ll.c
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@ -509,14 +509,17 @@ void h_pprint_symbolset(FILE *file, const HCFGrammar *g, const HHashSet *set, in
// iterate over set
size_t i;
HHashTableEntry *hte;
const HCFChoice *a = NULL;
for(i=0; i < set->capacity; i++) {
for(hte = &set->contents[i]; hte; hte = hte->next) {
if(hte->key == NULL)
continue;
const HCFChoice *a = hte->key; // production's left-hand symbol
if(a != NULL) // we're not on the first element
fputc(',', file);
a = hte->key; // production's left-hand symbol
pprint_symbol(file, g, a);
fputc(',', file);
}
}