public Task <SyntaxNode> ReplaceAsync(SyntaxNode memberDeclaration, CancellationToken cancellationToken)
{
var editor = new SyntaxEditor(memberDeclaration, CSharpSyntaxGenerator.Instance);
foreach (var child in memberDeclaration.DescendantNodes())
{
if (child is LocalDeclarationStatementSyntax localDeclarationStatement &&
localDeclarationStatement.Declaration.Variables.Any(IsDiscardDeclaration))
{
RemoveDiscardHelper.ProcessDeclarationStatement(localDeclarationStatement, editor);
}
public Task <SyntaxNode> ReplaceAsync(
SyntaxNode memberDeclaration,
SemanticModel semanticModel,
Workspace workspace,
CancellationToken cancellationToken
)
{
var editor = new SyntaxEditor(memberDeclaration, workspace);
foreach (var child in memberDeclaration.DescendantNodes())
{
switch (child)
{
case LocalDeclarationStatementSyntax localDeclarationStatement:
if (
localDeclarationStatement.Declaration.Variables.Any(
IsDiscardDeclaration
)
)
{
RemoveDiscardHelper.ProcessDeclarationStatement(
localDeclarationStatement,
editor
);
}
break;
case CatchDeclarationSyntax catchDeclaration:
if (IsDiscardDeclaration(catchDeclaration))
{
// "catch (Exception _)" => "catch (Exception)"
editor.ReplaceNode(
catchDeclaration,
catchDeclaration.WithIdentifier(default)
);
}
break;
