Add a mark-sweep garbage collector

1 files changed, 4 insertions, 5 deletions

diff --git a/parser.c b/parser.c
index dc86734..acca0cb 100644
--- a/parser.c
+++ b/parser.c
@@ -264,8 +264,8 @@ parseoperators(Term *list)
 	int i;
 	int length = termslength(list);
 	Term *t;
-	Term **terms = malloc(sizeof(Term *) * length);
-	OpInfo *infos = malloc(sizeof(OpInfo) * length);
+	Term **terms = gmalloc(sizeof(Term *) * length);
+	OpInfo *infos = gmalloc(sizeof(OpInfo) * length);
 
 	for(i = 0, t = list; i < length; i++){
 		Operator *op = getoperator(t->text);
@@ -346,8 +346,6 @@ parseoperators(Term *list)
 	}
 
 	Term *result = terms[0];
-	free(infos);
-	free(terms);
 	return result;
 }
 
@@ -409,6 +407,7 @@ initoperators(void)
 void
 addoperator(int level, int type, Rune *spelling)
 {
+	/* the operator table is never garbage collected, so just use normal malloc */
 	Operator *op = malloc(sizeof(Operator));
 	op->type = type;
 	op->level = level;
@@ -431,7 +430,7 @@ getoperator(Rune *spelling)
 		for(tmp = operators[level]; tmp != nil; tmp = tmp->next){
 			if(runestrcmp(tmp->spelling, spelling) == 0){
 				if(op == nil){
-					op = malloc(sizeof(Operator));
+					op = gmalloc(sizeof(Operator));
 					memcpy(op, tmp, sizeof(Operator));
 				}else
 					op->type |= tmp->type;