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lazily allocate the mark array

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This commit is contained in:
Aaron Patterson 2019-09-04 16:21:05 -07:00
parent 429ed8d587
commit 01aa2462b5
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GPG Key ID: 953170BCB4FFAFC6
1 changed files with 4 additions and 3 deletions
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7
node.c
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@ -1149,7 +1149,7 @@ rb_node_buffer_new(void)
node_buffer_t *nb = xmalloc(sizeof(node_buffer_t) + (bucket_size * 2)); node_buffer_t *nb = xmalloc(sizeof(node_buffer_t) + (bucket_size * 2));
init_node_buffer_list(&nb->unmarkable, (node_buffer_elem_t*)&nb[1]); init_node_buffer_list(&nb->unmarkable, (node_buffer_elem_t*)&nb[1]);
init_node_buffer_list(&nb->markable, (node_buffer_elem_t*)((size_t)nb->unmarkable.head + bucket_size)); init_node_buffer_list(&nb->markable, (node_buffer_elem_t*)((size_t)nb->unmarkable.head + bucket_size));
nb->mark_ary = rb_ary_tmp_new(0); nb->mark_ary = Qnil;
return nb; return nb;
} }
@ -1222,9 +1222,7 @@ rb_ast_t *
rb_ast_new(void) rb_ast_new(void)
{ {
node_buffer_t *nb = rb_node_buffer_new(); node_buffer_t *nb = rb_node_buffer_new();
VALUE mark_ary = nb->mark_ary;
rb_ast_t *ast = (rb_ast_t *)rb_imemo_new(imemo_ast, 0, 0, 0, (VALUE)nb); rb_ast_t *ast = (rb_ast_t *)rb_imemo_new(imemo_ast, 0, 0, 0, (VALUE)nb);
RB_OBJ_WRITTEN(ast, Qnil, mark_ary);
return ast; return ast;
} }
@ -1337,5 +1335,8 @@ rb_ast_dispose(rb_ast_t *ast)
void void
rb_ast_add_mark_object(rb_ast_t *ast, VALUE obj) rb_ast_add_mark_object(rb_ast_t *ast, VALUE obj)
{ {
if (NIL_P(ast->node_buffer->mark_ary)) {
RB_OBJ_WRITE(ast, &ast->node_buffer->mark_ary, rb_ary_tmp_new(0));
}
rb_ary_push(ast->node_buffer->mark_ary, obj); rb_ary_push(ast->node_buffer->mark_ary, obj);
} }