public bool Visit(WriteStatementNode node)
{
//todo: rmk when add pointers
foreach (var arg in node.Args)
{
arg.Accept(this);
var realType = arg.Type;
if (realType is SymTypeAlias symTypeAlias)
{
realType = symTypeAlias.Type;
}
switch (realType)
{
case SymInt _:
case SymChar _:
case SymString _:
case SymDouble _:
case SymBool _:
break;
default:
var t = ExprNode.GetClosestToken(arg);
throw new WritelnUnsupportedType(realType, t.Lexeme, t.Line, t.Column);
}
}
//todo: function cal return lvalues
return(true);
}
public PrinterNode Visit(WriteStatementNode node)
{
var pNode = new PrinterNode("Wrtite" + (node.IsLn ? "ln" : ""));
foreach (var arg in node.Args)
{
pNode.AddChild(arg.Accept(this));
}
return(pNode);
}