private static bool CanBeMarkedAsConst(
SeparatedSyntaxList <VariableDeclaratorSyntax> variables,
SyntaxList <StatementSyntax> statements,
int startIndex)
{
MarkLocalVariableAsConstWalker walker = MarkLocalVariableAsConstWalker.GetInstance();
foreach (VariableDeclaratorSyntax variable in variables)
{
walker.Identifiers.Add(variable.Identifier.ValueText);
}
bool result = true;
for (int i = startIndex; i < statements.Count; i++)
{
walker.Visit(statements[i]);
if (walker.Result)
{
result = false;
break;
}
}
MarkLocalVariableAsConstWalker.Free(walker);
return(result);
}
public static void Free(MarkLocalVariableAsConstWalker walker)
{
walker.Identifiers.Clear();
walker.Result = false;
_cachedInstance = walker;
}
public static MarkLocalVariableAsConstWalker GetInstance()
{
MarkLocalVariableAsConstWalker walker = _cachedInstance;
if (walker != null)
{
_cachedInstance = null;
walker.Reset();
return(walker);
}
return(new MarkLocalVariableAsConstWalker());
}
public static MarkLocalVariableAsConstWalker GetInstance()
{
MarkLocalVariableAsConstWalker walker = _cachedInstance;
if (walker != null)
{
Debug.Assert(walker.Identifiers.Count == 0);
Debug.Assert(!walker.Result);
_cachedInstance = null;
return(walker);
}
return(new MarkLocalVariableAsConstWalker());
}
public static void Free(MarkLocalVariableAsConstWalker walker)
{
_cachedInstance = walker;
}