public static void ComputeRefactorings(RefactoringContext context, BinaryExpressionSyntax binaryExpression)
{
binaryExpression = GetBinaryExpression(binaryExpression, context.Span);
if (binaryExpression != null &&
IsFormattableKind(binaryExpression.Kind()))
{
string title = "Format binary expression";
if (binaryExpression.IsSingleLine())
{
title += " on multiple lines";
context.RegisterRefactoring(
title,
cancellationToken => CSharpFormatter.ToMultiLineAsync(context.Document, binaryExpression, cancellationToken));
}
else
{
title += " on a single line";
context.RegisterRefactoring(
title,
cancellationToken => CSharpFormatter.ToSingleLineAsync(context.Document, binaryExpression, cancellationToken));
}
}
}
public static void ComputeRefactorings(RefactoringContext context, AccessorDeclarationSyntax accessor)
{
BlockSyntax body = accessor.Body;
if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatAccessorBraces) &&
body?.Span.Contains(context.Span) == true &&
!body.OpenBraceToken.IsMissing &&
!body.CloseBraceToken.IsMissing)
{
if (body.IsSingleLine())
{
context.RegisterRefactoring(
"Format braces on multiple lines",
cancellationToken => CSharpFormatter.ToMultiLineAsync(context.Document, accessor, cancellationToken));
}
else
{
SyntaxList <StatementSyntax> statements = body.Statements;
if (statements.Count == 1 &&
statements[0].IsSingleLine())
{
context.RegisterRefactoring(
"Format braces on a single line",
cancellationToken => CSharpFormatter.ToSingleLineAsync(context.Document, accessor, cancellationToken));
}
}
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.UseExpressionBodiedMember) &&
context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(accessor) &&
context.SupportsCSharp6 &&
UseExpressionBodiedMemberRefactoring.CanRefactor(accessor))
{
SyntaxNode node = accessor;
var accessorList = accessor.Parent as AccessorListSyntax;
if (accessorList != null)
{
SyntaxList <AccessorDeclarationSyntax> accessors = accessorList.Accessors;
if (accessors.Count == 1 &&
accessors.First().IsKind(SyntaxKind.GetAccessorDeclaration))
{
var parent = accessorList.Parent as MemberDeclarationSyntax;
if (parent != null)
{
node = parent;
}
}
}
context.RegisterRefactoring(
"Use expression-bodied member",
cancellationToken => UseExpressionBodiedMemberRefactoring.RefactorAsync(context.Document, node, cancellationToken));
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, ConditionalExpressionSyntax conditionalExpression)
{
if (context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(conditionalExpression))
{
if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatConditionalExpression))
{
if (conditionalExpression.IsSingleLine())
{
context.RegisterRefactoring(
"Format ?: on separate lines",
cancellationToken =>
{
return(CSharpFormatter.ToMultiLineAsync(
context.Document,
conditionalExpression,
cancellationToken));
});
}
else
{
context.RegisterRefactoring(
"Format ?: on a single line",
cancellationToken =>
{
return(CSharpFormatter.ToSingleLineAsync(
context.Document,
conditionalExpression,
cancellationToken));
});
}
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.UseIfElseInsteadOfConditionalExpression))
{
await UseIfElseInsteadOfConditionalExpressionRefactoring.ComputeRefactoringAsync(context, conditionalExpression).ConfigureAwait(false);
}
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.SwapExpressionsInConditionalExpression) &&
(context.Span.IsBetweenSpans(conditionalExpression) ||
context.Span.IsEmptyAndContainedInSpan(conditionalExpression.QuestionToken) ||
context.Span.IsEmptyAndContainedInSpan(conditionalExpression.ColonToken)) &&
SwapExpressionsInConditionalExpressionRefactoring.CanRefactor(conditionalExpression))
{
context.RegisterRefactoring(
"Swap expressions in ?:",
cancellationToken =>
{
return(SwapExpressionsInConditionalExpressionRefactoring.RefactorAsync(
context.Document,
conditionalExpression,
cancellationToken));
});
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, InitializerExpressionSyntax initializer)
{
if (initializer.IsKind(SyntaxKind.ComplexElementInitializerExpression) &&
initializer.IsParentKind(SyntaxKind.CollectionInitializerExpression))
{
initializer = (InitializerExpressionSyntax)initializer.Parent;
}
if (context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(initializer) ||
context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(initializer.Expressions))
{
SeparatedSyntaxList <ExpressionSyntax> expressions = initializer.Expressions;
if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatInitializer) &&
expressions.Any() &&
!initializer.IsKind(SyntaxKind.ComplexElementInitializerExpression) &&
initializer.IsParentKind(
SyntaxKind.ArrayCreationExpression,
SyntaxKind.ImplicitArrayCreationExpression,
SyntaxKind.ObjectCreationExpression,
SyntaxKind.CollectionInitializerExpression))
{
if (initializer.IsSingleLine(includeExteriorTrivia: false))
{
context.RegisterRefactoring(
"Format initializer on multiple lines",
cancellationToken => CSharpFormatter.ToMultiLineAsync(
context.Document,
initializer,
cancellationToken));
}
else if (expressions.All(expression => expression.IsSingleLine()))
{
context.RegisterRefactoring(
"Format initializer on a single line",
cancellationToken => CSharpFormatter.ToSingleLineAsync(
context.Document,
initializer,
cancellationToken));
}
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandInitializer))
{
await ExpandInitializerRefactoring.ComputeRefactoringsAsync(context, initializer).ConfigureAwait(false);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.UseCSharp6DictionaryInitializer) &&
context.SupportsCSharp6)
{
await UseCSharp6DictionaryInitializerRefactoring.ComputeRefactoringAsync(context, initializer).ConfigureAwait(false);
}
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, ArgumentListSyntax argumentList)
{
SeparatedSyntaxList <ArgumentSyntax> arguments = argumentList.Arguments;
if (arguments.Count == 0)
{
return;
}
await ArgumentParameterNameRefactoring.ComputeRefactoringsAsync(context, argumentList).ConfigureAwait(false);
if (context.IsRefactoringEnabled(RefactoringIdentifiers.DuplicateArgument))
{
var refactoring = new DuplicateArgumentRefactoring(argumentList);
refactoring.ComputeRefactoring(context);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatArgumentList) &&
(context.Span.IsEmpty || context.Span.IsBetweenSpans(argumentList)))
{
if (argumentList.IsSingleLine())
{
if (arguments.Count > 1)
{
context.RegisterRefactoring(
"Format each argument on a separate line",
cancellationToken =>
{
return(CSharpFormatter.ToMultiLineAsync(
context.Document,
argumentList,
cancellationToken));
});
}
}
else
{
string title = (arguments.Count == 1)
? "Format argument on a single line"
: "Format all arguments on a single line";
context.RegisterRefactoring(
title,
cancellationToken =>
{
return(CSharpFormatter.ToSingleLineAsync(
context.Document,
argumentList,
cancellationToken));
});
}
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, ParameterListSyntax parameterList)
{
SeparatedSyntaxList <ParameterSyntax> parameters = parameterList.Parameters;
if (parameters.Any())
{
if (context.IsRefactoringEnabled(RefactoringIdentifiers.DuplicateParameter))
{
var refactoring = new DuplicateParameterRefactoring(parameterList);
refactoring.ComputeRefactoring(context);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.CheckParameterForNull))
{
await CheckParameterForNullRefactoring.ComputeRefactoringAsync(context, parameterList).ConfigureAwait(false);
}
if (context.IsAnyRefactoringEnabled(
RefactoringIdentifiers.IntroduceAndInitializeField,
RefactoringIdentifiers.IntroduceAndInitializeProperty))
{
IntroduceAndInitializeRefactoring.ComputeRefactoring(context, parameterList);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatParameterList) &&
(context.Span.IsEmpty || context.Span.IsBetweenSpans(parameterList)))
{
if (parameterList.IsSingleLine())
{
if (parameters.Count > 1)
{
context.RegisterRefactoring(
"Format each parameter on a separate line",
cancellationToken => CSharpFormatter.ToMultiLineAsync(context.Document, parameterList, cancellationToken));
}
}
else
{
string title = (parameters.Count == 1)
? "Format parameter on a single line"
: "Format all parameters on a single line";
context.RegisterRefactoring(
title,
cancellationToken => CSharpFormatter.ToSingleLineAsync(context.Document, parameterList, cancellationToken));
}
}
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, AttributeArgumentListSyntax argumentList)
{
if (!argumentList.Arguments.Any())
{
return;
}
await AttributeArgumentParameterNameRefactoring.ComputeRefactoringsAsync(context, argumentList).ConfigureAwait(false);
if (context.IsRefactoringEnabled(RefactoringIdentifiers.DuplicateArgument))
{
DuplicateAttributeArgumentRefactoring.ComputeRefactoring(context, argumentList);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.FormatArgumentList) &&
context.Span.IsEmptyAndContainedInSpanOrBetweenSpans(argumentList))
{
if (argumentList.IsSingleLine())
{
if (argumentList.Arguments.Count > 1)
{
context.RegisterRefactoring(
"Format arguments on separate lines",
cancellationToken =>
{
return(CSharpFormatter.ToMultiLineAsync(
context.Document,
argumentList,
cancellationToken));
});
}
}
else
{
context.RegisterRefactoring(
"Format arguments on a single line",
cancellationToken =>
{
return(CSharpFormatter.ToSingleLineAsync(
context.Document,
argumentList,
cancellationToken));
});
}
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, MemberAccessExpressionSyntax memberAccessExpression)
{
if (context.Span.IsEmpty &&
memberAccessExpression.Span.Contains(context.Span) &&
memberAccessExpression.IsKind(SyntaxKind.SimpleMemberAccessExpression))
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
List <MemberAccessExpressionSyntax> expressions = GetChain(memberAccessExpression, semanticModel, context.CancellationToken);
if (expressions.Count > 1)
{
if (expressions[0].IsSingleLine(includeExteriorTrivia: false))
{
context.RegisterRefactoring(
"Format expression chain on multiple lines",
cancellationToken =>
{
return(CSharpFormatter.ToMultiLineAsync(
context.Document,
expressions.ToArray(),
cancellationToken));
});
}
else
{
context.RegisterRefactoring(
"Format expression chain on a single line",
cancellationToken =>
{
return(CSharpFormatter.ToSingleLineAsync(
context.Document,
expressions[0],
cancellationToken));
});
}
}
}
}