Update[but this file cannot be compiled]

2019-10-11 00:10:58 -05:00
parent 0384e19323
commit 305de47723
2 changed files with 67 additions and 53 deletions
@@ -13,7 +13,7 @@ class abstract_syntax_tree
 	public:
 		abstract_syntax_tree()
 		{
-			ast_node_type=__root;
+			ast_node_type=0;
 			statement_list.clear();
 			children.clear();
 			var_number=0;
@@ -34,6 +34,12 @@ class abstract_syntax_tree
 			var_number=temp.var_number;
 			var_string=temp.var_string;
 		}
+		void tree_set_clear()
+		{
+			statement_list.clear();
+			children.clear();
+			return;
+		}
 		void print_ast_node(int tab_num)
 		{
 			for(int i=0;i<tab_num;++i)
@@ -60,6 +66,12 @@ class abstract_syntax_tree
 			std::cout<<"}"<<std::endl;
 			return;
 		}
+		// for root node
+		void set_root()
+		{
+			ast_node_type=__root;
+			return;
+		}
 		// for if
 		void set_if_expr(abstract_syntax_tree condition,abstract_syntax_tree statements)
 		{