private static BoundScope CreateParentScopes(BoundGlobalScope _previous)
{
var _stack = new Stack <BoundGlobalScope>();
while (_previous != null)
{
_stack.Push(_previous);
_previous = _previous.Previous;
}
BoundScope _parent = null;
while (_stack.Count > 0)
{
_previous = _stack.Pop();
var _scope = new BoundScope(_parent);
foreach (var _v in _previous.Variables)
{
_scope.TryDeclare(_v);
}
_parent = _scope;
}
return(_parent);
}
private BoundBlockStatement BindBlockStatement(BlockStatementSyntax _syntax)
{
var _statements = ImmutableArray.CreateBuilder <BoundStatement>();
scope = new BoundScope(scope);
foreach (var _statementSyntax in _syntax.Statements)
{
var _statement = BindStatement(_statementSyntax);
_statements.Add(_statement);
}
scope = scope.Parent;
return(new BoundBlockStatement(_statements.ToImmutable()));
}
public BoundScope(BoundScope _parent)
{
Parent = _parent;
}
public Binder(BoundScope _parent)
{
scope = new BoundScope(_parent);
}
