From e31e03927ab0dce3f08a472d36fb82b7ea763899 Mon Sep 17 00:00:00 2001
From: "Sven M. Hallberg" <pesco@khjk.org>
Date: Tue, 7 May 2013 18:51:42 +0200
Subject: [PATCH] don't output extraneous comma in symbol sets
---
src/backends/ll.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/backends/ll.c b/src/backends/ll.c
index d791517c..5e68a3af 100644
--- a/src/backends/ll.c
+++ b/src/backends/ll.c
@@ -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);
}
}
--
GitLab