public static void Free(UseAsyncAwaitWalker walker)
{
walker._shouldVisit = true;
walker._usingDeclarations.Clear();
walker.ReturnStatement = null;
walker.SemanticModel = null;
walker.CancellationToken = default;
_cachedInstance = walker;
}
private static bool IsFixable(BlockSyntax body)
{
UseAsyncAwaitWalker walker = UseAsyncAwaitWalker.GetInstance();
walker.VisitBlock(body);
ReturnStatementSyntax returnStatement = walker.ReturnStatement;
UseAsyncAwaitWalker.Free(walker);
return(returnStatement != null);
}
public static UseAsyncAwaitWalker GetInstance()
{
UseAsyncAwaitWalker walker = _cachedInstance;
if (walker != null)
{
_cachedInstance = null;
return(walker);
}
return(new UseAsyncAwaitWalker());
}
public static UseAsyncAwaitWalker GetInstance()
{
UseAsyncAwaitWalker walker = _cachedInstance;
if (walker != null)
{
Debug.Assert(walker.ReturnStatement == null);
_cachedInstance = null;
return(walker);
}
return(new UseAsyncAwaitWalker());
}
public static UseAsyncAwaitWalker GetInstance(SemanticModel semanticModel, CancellationToken cancellationToken)
{
UseAsyncAwaitWalker walker = _cachedInstance;
if (walker != null)
{
_cachedInstance = null;
}
else
{
walker = new UseAsyncAwaitWalker();
}
walker.SemanticModel = semanticModel;
walker.CancellationToken = cancellationToken;
return(walker);
}
private static bool IsFixable(BlockSyntax body, SyntaxNodeAnalysisContext context)
{
UseAsyncAwaitWalker walker = null;
try
{
walker = UseAsyncAwaitWalker.GetInstance(context.SemanticModel, context.CancellationToken);
walker.VisitBlock(body);
return(walker.ReturnStatement != null);
}
finally
{
if (walker != null)
{
UseAsyncAwaitWalker.Free(walker);
}
}
}
public static void Free(UseAsyncAwaitWalker walker)
{
walker.Reset();
_cachedInstance = walker;
}
