/// toplevelexpr ::= expression
public FunctionAST ParseTopLevelExpr()
{
ExprAST e = ParseExpression();
if(e != null)
{
PrototypeAST proto = new PrototypeAST("", new string[0]);
return new FunctionAST(proto, e);
}
return null;
}
public FunctionAST(PrototypeAST proto, ExprAST body)
{
this.Proto = proto;
this.Body = body;
}