void FixLockThisIssue(Script script, EntityDeclaration containerEntity, TypeDeclaration containerType)
{
bool isStatic = IsEntityStatic(containerEntity);
List <BlockStatement> synchronizedStatements = FixMethodsWithMethodImplAttribute(script, containerType, isStatic).ToList();
List <AstNode> linkNodes = new List <AstNode>();
var locksToModify = LocksToModify(containerType, synchronizedStatements);
List <AstNode> nodeContexts = new List <AstNode>(locksToModify);
foreach (var synchronizedStatement in synchronizedStatements)
{
if (synchronizedStatement.Statements.Count > 0)
{
nodeContexts.Add(synchronizedStatement.Statements.First());
if (!isStatic)
{
foreach (var childLock in synchronizedStatement.Descendants.OfType <LockStatement>())
{
if (IsThisReference(childLock.Expression))
{
nodeContexts.Add(childLock);
}
}
}
}
}
string proposedName = GetNameProposal(nodeContexts, "locker");
if (!isStatic)
{
foreach (var lockToModify in locksToModify)
{
var identifier = new IdentifierExpression(proposedName);
script.Replace(lockToModify.Expression, identifier);
linkNodes.Add(identifier);
}
}
foreach (var synchronizedStatement in synchronizedStatements)
{
if (synchronizedStatement.Statements.Count > 0)
{
var newBody = synchronizedStatement.Clone();
var outerLock = new LockStatement();
var outerLockIdentifier = new IdentifierExpression(proposedName);
outerLock.Expression = outerLockIdentifier;
outerLock.EmbeddedStatement = newBody;
linkNodes.Add(outerLockIdentifier);
if (!isStatic)
{
foreach (var childLock in newBody.Descendants.OfType <LockStatement>())
{
if (IsThisReference(childLock.Expression))
{
var identifier = new IdentifierExpression(proposedName);
childLock.Expression.ReplaceWith(identifier);
linkNodes.Add(identifier);
}
}
}
script.InsertBefore(synchronizedStatement.Statements.First(), outerLock);
foreach (var stmt in synchronizedStatement.Statements)
{
script.Remove(stmt);
}
}
}
if (linkNodes.Any())
{
var objectType = new PrimitiveType("object");
var lockerFieldDeclaration = new FieldDeclaration()
{
Modifiers = isStatic ? Modifiers.Static : Modifiers.None,
ReturnType = objectType.Clone()
};
var lockerVariable = new VariableInitializer(proposedName, new ObjectCreateExpression(objectType.Clone()));
lockerFieldDeclaration.Variables.Add(lockerVariable);
script.InsertBefore(containerEntity, lockerFieldDeclaration);
linkNodes.Add(lockerVariable.NameToken);
script.Link(linkNodes.ToArray());
}
}
