From bc7916909615af7fb34d626b2de7decddd9d804e Mon Sep 17 00:00:00 2001
From: NeilBrown <neil@brown.name>
Date: Fri, 5 Mar 2021 20:11:04 +1100
Subject: [PATCH] parsergen: change 'again' to 'check_again'.

Sometimes I use 'again', sometimes 'check_again'.
Change all to use 'check_again'.

Signed-off-by: NeilBrown <neil@brown.name>
---
 csrc/parsergen.mdc | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/csrc/parsergen.mdc b/csrc/parsergen.mdc
index e0a2167..86aa299 100644
--- a/csrc/parsergen.mdc
+++ b/csrc/parsergen.mdc
@@ -1097,10 +1097,10 @@ combine these two functions into a single loop.
 
 ###### follow code
 
-	for (again = 0, p = 0;
+	for (check_again = 0, p = 0;
 	     p < g->production_count;
 	     p < g->production_count-1
-	        ? p++ : again ? (again = 0, p = 0)
+	        ? p++ : check_again ? (check_again = 0, p = 0)
 			      : p++) {
 		struct production *pr = g->productions[p];
 		int b;
@@ -1111,7 +1111,7 @@ combine these two functions into a single loop.
 				break;
 			if (symset_union(&g->follow[bs->num],
 			                 &g->follow[pr->head->num]))
-				again = 1;
+				check_again = 1;
 			if (!bs->nullable)
 				break;
 		}
@@ -1126,7 +1126,7 @@ complete function.
 ###### functions
 	static void build_follow(struct grammar *g)
 	{
-		int s, again, p;
+		int s, check_again, p;
 		g->follow = calloc(g->num_syms, sizeof(g->follow[0]));
 		for (s = 0; s < g->num_syms; s++)
 			g->follow[s] = INIT_SYMSET;
@@ -1407,7 +1407,7 @@ so the item is ineffective.
 			continue;
 		if (s->line_like)
 			is->starts_line = 1;
-		again = 1;
+		check_again = 1;
 		if (type >= LALR) {
 			// Need the LA set.
 			int to_end;
@@ -1527,7 +1527,7 @@ with `TK_eof` as the LA set.
 	{
 		struct symset first = INIT_SYMSET;
 		struct itemset *is;
-		int again;
+		int check_again;
 		unsigned short la = 0;
 		if (type >= LALR) {
 			// LA set just has eof
@@ -1539,15 +1539,15 @@ with `TK_eof` as the LA set.
 		// production 0, offset 0 (with no data)
 		symset_add(&first, item_num(0, 0), la);
 		add_itemset(g, first, Non, 0, type);
-		for (again = 0, is = g->items;
+		for (check_again = 0, is = g->items;
 		     is;
-		     is = is->next ?: again ? (again = 0, g->items) : NULL) {
+		     is = is->next ?: check_again ? (check_again = 0, g->items) : NULL) {
 			int i;
 			struct symset done = INIT_SYMSET;
 			if (is->completed)
 				continue;
 			is->completed = 1;
-			again = 1;
+			check_again = 1;
 			## complete itemset
 			## derive itemsets
 			symset_free(done);
-- 
2.43.0