public static void ComputeRefactorings(RefactoringContext context, SyntaxToken semicolonToken)
{
if (!semicolonToken.IsKind(SyntaxKind.SemicolonToken))
{
return;
}
if (semicolonToken.IsMissing)
{
return;
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandExpressionBody))
{
ArrowExpressionClauseSyntax arrowExpressionClause = GetArrowExpressionClause(semicolonToken);
if (arrowExpressionClause?.IsMissing == false &&
ExpandExpressionBodyAnalysis.IsFixable(arrowExpressionClause))
{
context.RegisterRefactoring(
"Expand expression body",
cancellationToken => ExpandExpressionBodyRefactoring.RefactorAsync(context.Document, arrowExpressionClause, cancellationToken));
}
}
}
public static async Task <Document> RefactorAsync(
Document document,
MemberDeclarationListSelection selectedMembers,
CancellationToken cancellationToken)
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
IEnumerable <MemberDeclarationSyntax> newMembers = selectedMembers
.UnderlyingList
.ModifyRange(
selectedMembers.FirstIndex,
selectedMembers.Count,
member =>
{
ArrowExpressionClauseSyntax expressionBody = CSharpUtility.GetExpressionBody(member);
if (expressionBody != null &&
ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return((MemberDeclarationSyntax)Refactor(expressionBody, semanticModel, cancellationToken)
.WithFormatterAnnotation());
}
return(member);
});
return(await document.ReplaceMembersAsync(SyntaxInfo.MemberDeclarationListInfo(selectedMembers.Parent), newMembers, cancellationToken).ConfigureAwait(false));
}
public static void ComputeRefactorings(RefactoringContext context, SyntaxToken semicolonToken)
{
if (!semicolonToken.IsKind(SyntaxKind.SemicolonToken))
{
return;
}
if (semicolonToken.IsMissing)
{
return;
}
if (context.IsRefactoringEnabled(RefactoringDescriptors.ConvertExpressionBodyToBlockBody))
{
ArrowExpressionClauseSyntax arrowExpressionClause = GetArrowExpressionClause(semicolonToken);
if (arrowExpressionClause?.IsMissing == false &&
ExpandExpressionBodyAnalysis.IsFixable(arrowExpressionClause))
{
context.RegisterRefactoring(
ConvertExpressionBodyToBlockBodyRefactoring.Title,
ct => ConvertExpressionBodyToBlockBodyRefactoring.RefactorAsync(context.Document, arrowExpressionClause, ct),
RefactoringDescriptors.ConvertExpressionBodyToBlockBody);
}
}
}
public static void ComputeRefactorings(RefactoringContext context, ArrowExpressionClauseSyntax arrowExpressionClause)
{
ExpressionSyntax expression = arrowExpressionClause.Expression;
if (context.IsRefactoringEnabled(RefactoringDescriptors.ConvertExpressionBodyToBlockBody) &&
(context.Span.IsEmptyAndContainedInSpan(arrowExpressionClause) || context.Span.IsBetweenSpans(expression)) &&
ExpandExpressionBodyAnalysis.IsFixable(arrowExpressionClause))
{
context.RegisterRefactoring(
ConvertExpressionBodyToBlockBodyRefactoring.Title,
ct => ConvertExpressionBodyToBlockBodyRefactoring.RefactorAsync(context.Document, arrowExpressionClause, ct),
RefactoringDescriptors.ConvertExpressionBodyToBlockBody);
}
}
public static async Task ComputeRefactoringsAsync(RefactoringContext context, ArrowExpressionClauseSyntax arrowExpressionClause)
{
ExpressionSyntax expression = arrowExpressionClause.Expression;
if (context.IsRefactoringEnabled(RefactoringIdentifiers.CallToMethod))
{
await ReturnExpressionRefactoring.ComputeRefactoringsAsync(context, expression).ConfigureAwait(false);
}
if (context.IsRefactoringEnabled(RefactoringIdentifiers.ExpandExpressionBody) &&
(context.Span.IsEmptyAndContainedInSpan(arrowExpressionClause) || context.Span.IsBetweenSpans(expression)) &&
ExpandExpressionBodyAnalysis.IsFixable(arrowExpressionClause))
{
context.RegisterRefactoring(
"Expand expression body",
cancellationToken => ExpandExpressionBodyRefactoring.RefactorAsync(context.Document, arrowExpressionClause, cancellationToken));
}
}
private static RefactoringDescriptor GetRefactoringDescriptor(MemberDeclarationSyntax memberDeclaration)
{
switch (memberDeclaration)
{
case MethodDeclarationSyntax methodDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = methodDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringDescriptors.ConvertExpressionBodyToBlockBody);
}
}
else if (ConvertBlockBodyToExpressionBodyRefactoring.CanRefactor(methodDeclaration))
{
return(RefactoringDescriptors.ConvertBlockBodyToExpressionBody);
}
return(default);
}
private static string GetRefactoringId(MemberDeclarationSyntax memberDeclaration)
{
switch (memberDeclaration)
{
case MethodDeclarationSyntax methodDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = methodDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(methodDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case PropertyDeclarationSyntax propertyDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = propertyDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(propertyDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case IndexerDeclarationSyntax indexerDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = indexerDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(indexerDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case OperatorDeclarationSyntax operatorDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = operatorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(operatorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case ConversionOperatorDeclarationSyntax conversionOperatorDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = conversionOperatorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(conversionOperatorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case ConstructorDeclarationSyntax constructorDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = constructorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(constructorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case DestructorDeclarationSyntax destructorDeclaration:
{
ArrowExpressionClauseSyntax expressionBody = destructorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(destructorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
}
return(null);
}
private static string GetRefactoringId(MemberDeclarationSyntax memberDeclaration)
{
switch (memberDeclaration.Kind())
{
case SyntaxKind.MethodDeclaration:
{
var methodDeclaration = (MethodDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = methodDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(methodDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case SyntaxKind.PropertyDeclaration:
{
var propertyDeclaration = (PropertyDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = propertyDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(propertyDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case SyntaxKind.IndexerDeclaration:
{
var indexerDeclaration = (IndexerDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = indexerDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(indexerDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case SyntaxKind.OperatorDeclaration:
{
var operatorDeclaration = (OperatorDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = operatorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(operatorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case SyntaxKind.ConversionOperatorDeclaration:
{
var conversionOperatorDeclaration = (ConversionOperatorDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = conversionOperatorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(conversionOperatorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case SyntaxKind.ConstructorDeclaration:
{
var constructorDeclaration = (ConstructorDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = constructorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(constructorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
case SyntaxKind.DestructorDeclaration:
{
var destructorDeclaration = (DestructorDeclarationSyntax)memberDeclaration;
ArrowExpressionClauseSyntax expressionBody = destructorDeclaration.ExpressionBody;
if (expressionBody != null)
{
if (ExpandExpressionBodyAnalysis.IsFixable(expressionBody))
{
return(RefactoringIdentifiers.ExpandExpressionBody);
}
}
else if (UseExpressionBodiedMemberRefactoring.CanRefactor(destructorDeclaration))
{
return(RefactoringIdentifiers.UseExpressionBodiedMember);
}
return(null);
}
}
return(null);
}
