private ExpressionSyntax ParsePostFixExpression(ExpressionSyntax expr)
{
Debug.Assert(expr != null);
while (true)
{
SyntaxKind tk = this.CurrentToken.Kind;
switch (tk)
{
case SyntaxKind.OpenParenToken:
expr = _syntaxFactory.InvocationExpression(expr, this.ParseParenthesizedArgumentList());
break;
case SyntaxKind.OpenBracketToken:
expr = _syntaxFactory.ElementAccessExpression(expr, this.ParseBracketedArgumentList());
break;
case SyntaxKind.PlusPlusToken:
case SyntaxKind.MinusMinusToken:
expr = _syntaxFactory.PostfixUnaryExpression(SyntaxKindFacts.GetPostfixUnaryExpression(tk), expr, this.EatToken());
break;
case SyntaxKind.ColonColonToken:
if (this.PeekToken(1).Kind == SyntaxKind.IdentifierToken)
{
// replace :: with missing dot and annotate with skipped text "::" and error
var ccToken = this.EatToken();
ccToken = this.AddError(ccToken, ErrorCode.ERR_UnexpectedAliasedName);
var dotToken = this.ConvertToMissingWithTrailingTrivia(ccToken, SyntaxKind.DotToken);
expr = _syntaxFactory.MemberAccessExpression(
expr,
dotToken,
this.ParseSimpleName(NameOptions.InExpression));
}
else
{
// just some random trailing :: ?
expr = AddTrailingSkippedSyntax(expr, this.EatTokenWithPrejudice(SyntaxKind.DotToken));
}
break;
//case SyntaxKind.MinusGreaterThanToken:
// expr = _syntaxFactory.MemberAccessExpression(SyntaxKind.PointerMemberAccessExpression,
// expr,
// this.EatToken(),
// this.ParseSimpleName(NameOptions.InExpression));
// break;
case SyntaxKind.DotToken:
expr = _syntaxFactory.MemberAccessExpression(
expr,
this.EatToken(SyntaxKind.DotToken),
this.ParseSimpleName(NameOptions.InExpression));
break;
default:
return(expr);
}
}
}
