private static SyntaxNode SimplifyParentheses(
ParenthesizedExpressionSyntax node,
SemanticModel semanticModel,
OptionSet optionSet,
CancellationToken cancellationToken)
{
if (node.CanRemoveParentheses(semanticModel))
{
// TODO(DustinCa): We should not be skipping elastic trivia below.
// However, the formatter seems to mess up trailing trivia in some
// cases if elastic trivia is there -- and it's not clear why.
// Specifically remove the elastic trivia formatting rule doesn't
// have any effect.
var resultNode = CSharpSyntaxFactsService.Instance.Unparenthesize(node);
return(SimplificationHelpers.CopyAnnotations(from: node, to: resultNode));
}
// We don't know how to simplify this.
return(node);
}
private static SyntaxNode SimplifyParentheses(
ParenthesizedExpressionSyntax node,
SemanticModel semanticModel,
OptionSet optionSet,
CancellationToken cancellationToken)
{
if (node.CanRemoveParentheses(semanticModel))
{
// TODO(DustinCa): We should not be skipping elastic trivia below.
// However, the formatter seems to mess up trailing trivia in some
// cases if elastic trivia is there -- and it's not clear why.
// Specifically remove the elastic trivia formatting rule doesn't
// have any effect.
var leadingTrivia = node.OpenParenToken.LeadingTrivia
.Concat(node.OpenParenToken.TrailingTrivia)
.Where(t => !t.IsElastic())
.Concat(node.Expression.GetLeadingTrivia());
var trailingTrivia = node.Expression.GetTrailingTrivia()
.Concat(node.CloseParenToken.LeadingTrivia)
.Where(t => !t.IsElastic())
.Concat(node.CloseParenToken.TrailingTrivia);
var resultNode = node.Expression
.WithLeadingTrivia(leadingTrivia)
.WithTrailingTrivia(trailingTrivia);
resultNode = SimplificationHelpers.CopyAnnotations(from: node, to: resultNode);
return(resultNode);
}
// We don't know how to simplify this.
return(node);
}
private static SyntaxNode SimplifyParentheses(
ParenthesizedExpressionSyntax node,
SemanticModel semanticModel,
OptionSet optionSet,
CancellationToken cancellationToken)
{
if (node.CanRemoveParentheses())
{
// TODO(DustinCa): We should not be skipping elastic trivia below.
// However, the formatter seems to mess up trailing trivia in some
// cases if elastic trivia is there -- and it's not clear why.
// Specifically remove the elastic trivia formatting rule doesn't
// have any effect.
var leadingTrivia = node.OpenParenToken.LeadingTrivia
.Concat(node.OpenParenToken.TrailingTrivia)
.Where(t => !t.IsElastic())
.Concat(node.Expression.GetLeadingTrivia());
var trailingTrivia = node.Expression.GetTrailingTrivia()
.Concat(node.CloseParenToken.LeadingTrivia)
.Where(t => !t.IsElastic())
.Concat(node.CloseParenToken.TrailingTrivia);
var resultNode = node.Expression
.WithLeadingTrivia(leadingTrivia)
.WithTrailingTrivia(trailingTrivia);
resultNode = SimplificationHelpers.CopyAnnotations(from: node, to: resultNode);
return resultNode;
}
// We don't know how to simplifiy this.
return node;
}