Add a working GC with mark-and-sweep

1 files changed, 0 insertions, 35 deletions

diff --git a/src/bootstrap/objects.c b/src/bootstrap/objects.c
index 2bd5b1a..09076db 100644
--- a/src/bootstrap/objects.c
+++ b/src/bootstrap/objects.c
@@ -116,41 +116,6 @@ append_string(Object *obj, const StringView sv) {
     obj->string_n += sv.n;
 }
 
-Object *
-obj_duplicate(Object *obj) {
-    Object *copy = obj_err;
-    switch (obj->type) {
-        case OBJ_TYPE_BOOL:
-        case OBJ_TYPE_NIL:
-        case OBJ_TYPE_PROCEDURE:
-        case OBJ_TYPE_LAMBDA: // TODO: should we duplicate everything inside?
-        case OBJ_TYPE_ERR: {
-            copy = obj;
-        } break;
-        case OBJ_TYPE_FIXNUM: {
-            copy = make_fixnum(obj->fixnum);
-        } break;
-        case OBJ_TYPE_SYMBOL: {
-            copy = make_symbol((StringView){obj->symbol, obj->symbol_n});
-        } break;
-        case OBJ_TYPE_STRING: {
-            copy = make_string();
-            append_string(copy, (StringView){obj->string, obj->string_n});
-        } break;
-        case OBJ_TYPE_PAIR: {
-            Object *root = make_pair(obj_duplicate(obj->car), obj_nil);
-            copy = root;
-            obj = obj->cdr;
-            while (obj != obj_nil) {
-                root->cdr = make_pair(obj_duplicate(obj->car), obj_nil);
-                root = root->cdr;
-                obj = obj->cdr;
-            }
-        } break;
-    }
-    return copy;
-}
-
 void display(Object *root);
 
 void