public Scope NextScope ()
{
if (CurrentScope == null)
CurrentScope = globalScope;
CurrentScope = CurrentScope.NextScope;
return CurrentScope;
}
/// <summary>
/// Leaves the scope.
/// </summary>
/// <returns>The scope.</returns>
public Scope LeaveScope ()
{
Scope old = CurrentScope;
CurrentScope = old.ParentScope;
CurrentScope.NextScope = old.NextScope;
return CurrentScope;
}
/// <summary>
/// Begins a new scope.
/// </summary>
/// <param name="isLocalScope">If set to <c>true</c> is local scope.</param>
public void BeginScope (bool isLocalScope = false)
{
if (isLocalScope) {
currentLocalScope = new LocalScope (currentLocalScope);
}
Scope newScope = new Scope (CurrentScope);
if (lastScope != null) {
lastScope.NextScope = newScope;
} else {
globalScope.NextScope = newScope;
}
CurrentScope.AddScope (newScope);
CurrentScope = newScope;
lastScope = newScope;
}
public void AddScope (Scope scope)
{
childScopes.Add (scope);
}
public SymbolTable ()
{
CurrentScope = globalScope;
}
public Scope ()
{
ParentScope = null;
}
public Scope (Scope parent)
{
ParentScope = parent;
}
/// <summary>
/// Ends a scope.
/// </summary>
/// <param name="isLocalScope">If set to <c>true</c> is local scope.</param>
public void EndScope (bool isLocalScope = false)
{
if (isLocalScope) {
currentLocalScope = currentLocalScope.ParentScope;
}
CurrentScope = CurrentScope.ParentScope;
}
public SymbolTable()
{
CurrentScope = globalScope;
}
public void AddScope(Scope scope)
{
childScopes.Add(scope);
}
public Scope(Scope parent)
{
ParentScope = parent;
}
public Scope()
{
ParentScope = null;
}
