// Compiles a method signature for an infix operator.
static void InfixSignature(Compiler c, Signature signature)
{
// Add the RHS parameter.
signature.Type = SignatureType.Method;
signature.Arity = 1;
// Parse the parameter name.
c.Consume(TokenType.LeftParen, "Expect '(' after operator name.");
c.DeclareNamedVariable();
c.Consume(TokenType.RightParen, "Expect ')' after parameter name.");
}
// Compiles a method signature for an operator that can either be unary or
// infix (i.e. "-").
private static void MixedSignature(Compiler c, Signature signature)
{
signature.Type = SignatureType.Getter;
// If there is a parameter, it's an infix operator, otherwise it's unary.
if (c.Match(TokenType.LeftParen))
{
// Add the RHS parameter.
signature.Type = SignatureType.Method;
signature.Arity = 1;
// Parse the parameter name.
c.DeclareNamedVariable();
c.Consume(TokenType.RightParen, "Expect ')' after parameter name.");
}
}
