/// <summary>
/// fun_arg = identifier ":" [ "ref" ] type
/// </summary>
private FunctionArgument parseFunSingleArg(bool required = false)
{
if (!peek(LexemType.Identifier))
return null;
var node = new FunctionArgument();
node.Name = getValue();
if (!check(LexemType.Colon))
{
if (required)
error(ParserMessages.SymbolExpected, ":");
else
return null;
}
node.IsRefArgument = check(LexemType.Ref);
node.TypeSignature = ensure(parseType, ParserMessages.ArgTypeExpected);
return node;
}
/// <summary>
/// fun_arg = identifier [ ":" [ "ref" ] type [ "... " ] ]
/// </summary>
private FunctionArgument parseFunSingleArg(bool required = false)
{
if (!peek(LexemType.Identifier))
return null;
var node = new FunctionArgument();
node.Name = getValue();
if (!check(LexemType.Colon))
{
if (required)
error(ParserMessages.SymbolExpected, ":");
node.Type = typeof (UnspecifiedType);
return node;
}
node.IsRefArgument = check(LexemType.Ref);
node.TypeSignature = ensure(parseType, ParserMessages.ArgTypeExpected);
if (check(LexemType.Ellipsis))
{
if(node.IsRefArgument)
error(ParserMessages.VariadicByRef);
node.IsVariadic = true;
}
return node;
}
protected bool Equals(FunctionArgument other)
{
return(string.Equals(Name, other.Name) && string.Equals(TypeSignature, other.TypeSignature));
}
protected bool Equals(FunctionArgument other)
{
return string.Equals(Name, other.Name) && string.Equals(TypeSignature, other.TypeSignature);
}
