Directly free structure managed by imemo tmpbuf

NODE_ARGS, NODE_ARYPTN, NODE_FNDPTN manage memory of their
structure by imemo tmpbuf Object.
However rb_ast_struct has reference to NODE. Then these
memory can be freed directly when rb_ast_struct is freed.

This commit reduces parser's dependency on CRuby functions.

1 files changed, 6 insertions, 16 deletions

diff --git a/parse.y b/parse.y
index a653ffa0b9..ab2cb603c3 100644
--- a/parse.y
+++ b/parse.y
@@ -12721,13 +12721,9 @@ static NODE*
 new_args_tail(struct parser_params *p, NODE *kw_args, ID kw_rest_arg, ID block, const YYLTYPE *kw_rest_loc)
 {
     int saved_line = p->ruby_sourceline;
-    NODE *node;
-    VALUE tmpbuf = rb_imemo_tmpbuf_auto_free_pointer();
+    NODE *node = NEW_NODE(NODE_ARGS, 0, 0, 0, &NULL_LOC);
     struct rb_args_info *args = ZALLOC(struct rb_args_info);
-    rb_imemo_tmpbuf_set_ptr(tmpbuf, args);
-    args->imemo = tmpbuf;
-    node = NEW_NODE(NODE_ARGS, 0, 0, args, &NULL_LOC);
-    RB_OBJ_WRITTEN(p->ast, Qnil, tmpbuf);
+    node->nd_ainfo = args;
     if (p->error_p) return node;
 
     args->block_arg      = block;
@@ -12818,12 +12814,9 @@ static NODE*
 new_array_pattern_tail(struct parser_params *p, NODE *pre_args, int has_rest, NODE *rest_arg, NODE *post_args, const YYLTYPE *loc)
 {
     int saved_line = p->ruby_sourceline;
-    NODE *node;
-    VALUE tmpbuf = rb_imemo_tmpbuf_auto_free_pointer();
+    NODE *node = NEW_NODE(NODE_ARYPTN, 0, 0, 0, loc);
     struct rb_ary_pattern_info *apinfo = ZALLOC(struct rb_ary_pattern_info);
-    rb_imemo_tmpbuf_set_ptr(tmpbuf, apinfo);
-    node = NEW_NODE(NODE_ARYPTN, 0, tmpbuf, apinfo, loc);
-    RB_OBJ_WRITTEN(p->ast, Qnil, tmpbuf);
+    node->nd_apinfo = apinfo;
 
     apinfo->pre_args = pre_args;
 
@@ -12852,12 +12845,9 @@ static NODE*
 new_find_pattern_tail(struct parser_params *p, NODE *pre_rest_arg, NODE *args, NODE *post_rest_arg, const YYLTYPE *loc)
 {
     int saved_line = p->ruby_sourceline;
-    NODE *node;
-    VALUE tmpbuf = rb_imemo_tmpbuf_auto_free_pointer();
+    NODE *node = NEW_NODE(NODE_FNDPTN, 0, 0, 0, loc);
     struct rb_fnd_pattern_info *fpinfo = ZALLOC(struct rb_fnd_pattern_info);
-    rb_imemo_tmpbuf_set_ptr(tmpbuf, fpinfo);
-    node = NEW_NODE(NODE_FNDPTN, 0, tmpbuf, fpinfo, loc);
-    RB_OBJ_WRITTEN(p->ast, Qnil, tmpbuf);
+    node->nd_fpinfo = fpinfo;
 
     fpinfo->pre_rest_arg = pre_rest_arg ? pre_rest_arg : NODE_SPECIAL_NO_NAME_REST;
     fpinfo->args = args;