public RewriteQueryTraverseVisitor(IScopeAwareExpressionVisitor visitor, ScopeWalker walker)
{
_visitor = visitor ?? throw new ArgumentNullException(nameof(visitor));
_walker = walker;
}
private ScopeWalker(Scope scope, ScopeWalker parent)
: this(scope)
{
_parent = parent;
}
/// <summary>
/// Main function of the parsing thread.
/// This function waits on the queue of the parsing requests and build the parsing tree for
/// a specific file. The resulting tree is built using LibraryNode objects so that it can
/// be used inside the class view or object browser.
/// </summary>
private void ParseThread()
{
const int waitTimeout = 500;
// Define the array of events this function is interest in.
WaitHandle[] eventsToWait = new WaitHandle[] { requestPresent, shutDownStarted };
// Execute the tasks.
while (true)
{
// Wait for a task or a shutdown request.
int waitResult = WaitHandle.WaitAny(eventsToWait, waitTimeout, false);
if (1 == waitResult)
{
// The shutdown of this component is started, so exit the thread.
return;
}
LibraryTask task = null;
lock (requests) {
if (0 != requests.Count)
{
task = requests.Dequeue();
}
if (0 == requests.Count)
{
requestPresent.Reset();
}
}
if (null == task)
{
continue;
}
ScopeNode scope = null;
if (null == task.Text)
{
if (System.IO.File.Exists(task.FileName))
{
scope = ScopeWalker.GetScopesFromFile(task.FileName);
}
}
else
{
scope = ScopeWalker.GetScopesFromText(task.Text);
}
LibraryNode module = new LibraryNode(
System.IO.Path.GetFileName(task.FileName),
LibraryNode.LibraryNodeType.PhysicalContainer);
CreateModuleTree(module, module, scope, "", task.ModuleID);
if (null != task.ModuleID)
{
LibraryNode previousItem = null;
lock (files) {
if (files.TryGetValue(task.ModuleID, out previousItem))
{
files.Remove(task.ModuleID);
}
}
library.RemoveNode(previousItem);
}
library.AddNode(module);
if (null != task.ModuleID)
{
lock (files) {
files.Add(task.ModuleID, module);
}
}
}
}
public ToCSharpRewriteTreeTraverseVisitor(IToCSharpTranslationExpressionVisitor visitor, ScopeWalker walker)
{
_visitor = visitor ?? throw new ArgumentNullException(nameof(visitor));
_walker = walker;
}
