public static async Task ComputeRefactoringAsync(RefactoringContext context, StatementListSelection selectedStatements)
{
if (!(selectedStatements.Last() is WhileStatementSyntax whileStatement))
{
return;
}
if (selectedStatements.Count == 1)
{
context.RegisterRefactoring(
Title,
cancellationToken => RefactorAsync(context.Document, whileStatement, cancellationToken),
RefactoringIdentifiers.ConvertWhileToFor);
}
else
{
SyntaxKind kind = selectedStatements.First().Kind();
if (kind == SyntaxKind.LocalDeclarationStatement)
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
if (FindLocalDeclarationStatementIndex(
whileStatement,
selectedStatements.UnderlyingList,
selectedStatements.FirstIndex,
selectedStatements.Count,
mustBeReferencedInsideWhileStatement: false,
semanticModel: semanticModel,
cancellationToken: context.CancellationToken) == selectedStatements.FirstIndex)
{
List <LocalDeclarationStatementSyntax> localDeclarations = selectedStatements
.Take(selectedStatements.Count - 1)
.Cast <LocalDeclarationStatementSyntax>()
.ToList();
context.RegisterRefactoring(
Title,
cancellationToken => RefactorAsync(context.Document, whileStatement, localDeclarations, cancellationToken),
RefactoringIdentifiers.ConvertWhileToFor);
}
}
else if (kind == SyntaxKind.ExpressionStatement)
{
if (VerifyExpressionStatements(selectedStatements))
{
List <ExpressionStatementSyntax> expressionStatements = selectedStatements
.Take(selectedStatements.Count - 1)
.Cast <ExpressionStatementSyntax>()
.ToList();
context.RegisterRefactoring(
Title,
cancellationToken => RefactorAsync(context.Document, whileStatement, expressionStatements, cancellationToken),
RefactoringIdentifiers.ConvertWhileToFor);
}
}
}
}
public static async Task ComputeRefactoringAsync(RefactoringContext context, StatementListSelection selectedStatements)
{
if (!(selectedStatements.Last() is WhileStatementSyntax whileStatement))
{
return;
}
if (selectedStatements.Count == 1)
{
context.RegisterRefactoring(
Title,
cancellationToken => RefactorAsync(context.Document, whileStatement, cancellationToken));
}
else
{
SyntaxKind kind = selectedStatements.First().Kind();
if (kind == SyntaxKind.LocalDeclarationStatement)
{
SemanticModel semanticModel = await context.GetSemanticModelAsync().ConfigureAwait(false);
if (VerifyLocalDeclarationStatements(selectedStatements, semanticModel, context.CancellationToken))
{
List <LocalDeclarationStatementSyntax> localDeclarations = selectedStatements
.Take(selectedStatements.Count - 1)
.Cast <LocalDeclarationStatementSyntax>()
.ToList();
context.RegisterRefactoring(
Title,
cancellationToken => RefactorAsync(context.Document, whileStatement, localDeclarations, cancellationToken));
}
}
else if (kind == SyntaxKind.ExpressionStatement)
{
if (VerifyExpressionStatements(selectedStatements))
{
List <ExpressionStatementSyntax> expressionStatements = selectedStatements
.Take(selectedStatements.Count - 1)
.Cast <ExpressionStatementSyntax>()
.ToList();
context.RegisterRefactoring(
Title,
cancellationToken => RefactorAsync(context.Document, whileStatement, expressionStatements, cancellationToken));
}
}
}
}