public static Node.Continuation Parse()
{
Node.Continuation n;
if (IsLookahead(1, Tokens.Operator, Lexemes.ParenOpen))
{
Match(Tokens.Operator, Lexemes.ParenOpen);
Node.Sequence sequence = Parser.Sequence.Parse();
Match(Tokens.Operator, Lexemes.ParenClose);
n = new Node.Call
{
S = sequence,
C = Parser.Continuation.Parse()
};
}
else if (IsLookahead(1, Tokens.Operator, Lexemes.Dot))
{
Match(Tokens.Operator, Lexemes.Dot);
Match(Tokens.Identifier);
Token identifier = Parser.Lexer.Current();
n = new Node.Access
{
Id = new Node.Identifier
{
id = (string)identifier.Attribute
},
C = Parser.Continuation.Parse()
};
}
else if (IsLookahead(1, Tokens.Operator, Lexemes.Assign))
{
Match(Tokens.Operator, Lexemes.Assign);
n = new Node.Assign
{
E = Parser.Expression.Parse()
};
}
else
{
n = null;
}
return(n);
}
private Types.Object EvaluateAssign(Node.Assign node)
{
return(Evaluate(node.E));
}