private static AssignmentExpressionSyntax CreateNewExpression(InitializerExpressionSyntax initializer)
{
SeparatedSyntaxList <ExpressionSyntax> expressions = initializer.Expressions;
SyntaxToken openBracket = Token(
initializer.OpenBraceToken.LeadingTrivia,
SyntaxKind.OpenBracketToken,
initializer.OpenBraceToken.TrailingTrivia.EmptyIfWhitespace());
ImplicitElementAccessSyntax implicitElementAccess = ImplicitElementAccess(
BracketedArgumentList(
openBracket,
SingletonSeparatedList(Argument(expressions[0].TrimTrivia())),
CloseBracketToken()));
SyntaxToken comma = initializer.ChildTokens().FirstOrDefault(f => f.IsKind(SyntaxKind.CommaToken));
SyntaxTriviaList commaLeading = comma.LeadingTrivia;
SyntaxToken equalsToken = Token(
(commaLeading.Any()) ? commaLeading : TriviaList(Space),
SyntaxKind.EqualsToken,
comma.TrailingTrivia);
ExpressionSyntax valueExpression = expressions[1];
valueExpression = valueExpression.AppendToTrailingTrivia(initializer.CloseBraceToken.LeadingTrivia.EmptyIfWhitespace());
return(SimpleAssignmentExpression(implicitElementAccess, equalsToken, valueExpression)
.WithTriviaFrom(initializer));
}
public static Task <Document> RefactorAsync(
Document document,
InitializerExpressionSyntax initializer,
CancellationToken cancellationToken)
{
SeparatedSyntaxList <ExpressionSyntax> expressions = initializer.Expressions;
SyntaxTriviaList openBraceTrailing = initializer.OpenBraceToken.TrailingTrivia;
SyntaxTriviaList closeBraceLeading = initializer.CloseBraceToken.LeadingTrivia;
SyntaxToken openBracket = Token(
initializer.OpenBraceToken.LeadingTrivia,
SyntaxKind.OpenBracketToken,
(openBraceTrailing.All(f => f.IsWhitespaceTrivia())) ? default(SyntaxTriviaList) : openBraceTrailing);
ImplicitElementAccessSyntax implicitElementAccess = ImplicitElementAccess(
BracketedArgumentList(
openBracket,
SingletonSeparatedList(Argument(expressions[0])),
CloseBracketToken()));
SyntaxToken comma = initializer.ChildTokens().FirstOrDefault(f => f.IsKind(SyntaxKind.CommaToken));
SyntaxTriviaList commaLeading = comma.LeadingTrivia;
SyntaxToken equalsToken = Token(
(commaLeading.Any()) ? commaLeading : TriviaList(Space),
SyntaxKind.EqualsToken,
comma.TrailingTrivia);
ExpressionSyntax valueExpression = expressions[1];
if (closeBraceLeading.Any(f => !f.IsWhitespaceTrivia()))
{
valueExpression = valueExpression.AppendToTrailingTrivia(closeBraceLeading);
}
AssignmentExpressionSyntax assignment = SimpleAssignmentExpression(implicitElementAccess, equalsToken, valueExpression)
.WithTriviaFrom(initializer);
return(document.ReplaceNodeAsync(initializer, assignment, cancellationToken));
}