public override SyntaxNode VisitExpressionStatement(ExpressionStatementSyntax node)
{
if (node.ToString().Length < 110)
{
return(base.VisitExpressionStatement(node));
}
var m = node.Expression;
var rewritableToken = new List <SyntaxToken>();
var trivia = new SyntaxTriviaList(SyntaxFactory.EndOfLine("\n"));
trivia = trivia.AddRange(node.GetLeadingTrivia().Reverse()
.TakeWhile(x => x.IsDirective ^ !x.IsKind(SyntaxKind.EndOfLineTrivia)));
trivia = trivia.Add(SyntaxFactory.Whitespace(" "));
var newExpression = SyntaxFactory.ParseExpression("");
while (m != null && m.ChildNodes().Any())
{
var m2 = m.ChildNodes();
if (m2.FirstOrDefault() is MemberAccessExpressionSyntax &&
m2.LastOrDefault() is ArgumentListSyntax)
{
var methodName = m2.FirstOrDefault().As <MemberAccessExpressionSyntax>();
var arguments = m2.LastOrDefault().As <ArgumentListSyntax>();
m = m2.FirstOrDefault().As <MemberAccessExpressionSyntax>()?.Expression;
if (newExpression.ToString() == "")
{
newExpression = SyntaxFactory.InvocationExpression(methodName.Name, arguments)
.WithoutTrailingTrivia();
}
else
{
newExpression = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression,
SyntaxFactory.InvocationExpression(methodName.Name, arguments).WithoutTrailingTrivia(),
SyntaxFactory.Token(SyntaxKind.DotToken).WithLeadingTrivia(trivia), SyntaxFactory.IdentifierName(newExpression.ToString()));
}
}
else if (m2.FirstOrDefault() is IdentifierNameSyntax &&
m2.LastOrDefault() is ArgumentListSyntax)
{
var identifierName = m2.FirstOrDefault() as IdentifierNameSyntax;
var arguments = m2.LastOrDefault() as ArgumentListSyntax;
m = null;
if (newExpression.ToString() == "")
{
newExpression = SyntaxFactory.InvocationExpression(identifierName, arguments).WithoutTrailingTrivia();
}
else
{
newExpression = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression,
SyntaxFactory.InvocationExpression(identifierName.WithoutTrailingTrivia(), arguments.WithoutTrailingTrivia()),
SyntaxFactory.Token(SyntaxKind.DotToken).WithLeadingTrivia(trivia), SyntaxFactory.IdentifierName(newExpression.ToString()));
}
}
else
{
if (newExpression.ToString() == "")
{
newExpression = m.WithoutTrailingTrivia();
}
else
{
newExpression = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression,
m.WithoutTrailingTrivia(), SyntaxFactory.Token(SyntaxKind.DotToken).WithLeadingTrivia(trivia), SyntaxFactory.IdentifierName(newExpression.ToString()));
}
m = null;
}
}
if (m != null)
{
newExpression = SyntaxFactory.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression,
m, SyntaxFactory.IdentifierName(newExpression.ToString()));
}
if (!newExpression.ToFullString().Equals(node.ToFullString()))
{
var lineSpan = node.GetFileLinePosSpan();
AddReport(new ChangesReport(node)
{
LineNumber = lineSpan.StartLinePosition.Line,
Column = lineSpan.StartLinePosition.Character,
Message = "your expression should be multi lined",
Generator = nameof(MultiLineExpressionRewriter)
});
}
return(SyntaxFactory.ExpressionStatement(newExpression)
.WithLeadingTrivia(node.GetLeadingTrivia())
.WithTrailingTrivia(node.GetTrailingTrivia()));
}
