示例#1
0
 override public void Visit(AST_read_statement read_statement)
 {
     base.Visit(read_statement);
     if (read_statement.Identifier.Declaration.Type.Kind == bool_type)
     {
         Error("Read statement requires int or string type.", read_statement.Identifier);
     }
 }
示例#2
0
        public override void Visit(AST_read_statement read_statement)
        {
            bool ok = false;

            while (!ok)
            {
                string input = Console.ReadLine();
                if (evaluateVisitor.SetVariable(read_statement.Identifier.Name, input))
                {
                    break;
                }
                Console.WriteLine("Not a valid integer.");
            }
        }
示例#3
0
        private AST_read_statement Parse_read_statement()
        {
            IncrementDepth();

            AST_read_statement read_statement;

            Match(read_Keyword);
            AST_identifier identifier = Parse_identifier(Semicolon);

            DebugPrint("read_statement, identifier = " + identifier.Name);

            read_statement = new AST_read_statement(identifier);

            DecrementDepth();

            return(read_statement);
        }
示例#4
0
 public virtual void Visit(AST_read_statement read_statement)
 {
     IncrementDepth();
     read_statement.Identifier.Accept(this);
     DecrementDepth();
 }