public IAccessorFrameInitializer On(string memberName)
{
if (_state == null && _current != null)
{
_current = (AccessorFrame)(_current.Expr.IsMember(memberName) ? _current.NextAccessor : null);
}
return(this);
}
public FrameState(AccessorFrame winner,
Func <IAccessorFrame, RuntimeObj, PExpr> indexCode,
Func <IAccessorFrame, IReadOnlyList <RuntimeObj>, PExpr> callCode,
IReadOnlyList <Expr> arguments)
: base(winner, arguments)
{
_indexCode = indexCode;
_callCode = callCode;
}
public FunctionExprFrame(AccessorFrame callFrame, FunctionExpr e, IReadOnlyList <Closure> closures)
: base(callFrame.Visitor, e)
{
_arguments = new ArgumentResolver(this, callFrame.Expr.Arguments);
_closures = closures;
// Registering closed variables.
foreach (var c in _closures)
{
Visitor.ScopeManager.Register(c);
}
}
public IAccessorFrameInitializer OnCall(Func <IAccessorFrame, IReadOnlyList <RuntimeObj>, PExpr> code)
{
if (_state == null)
{
if (_current != null && _current.Expr is AccessorCallExpr)
{
_state = new FrameState(_current, null, code, _current.Expr.Arguments);
}
_current = _frame;
}
return(this);
}
public IAccessorFrameInitializer OnIndex(Func <IAccessorFrame, RuntimeObj, PExpr> code)
{
if (_state == null)
{
if (_current != null && _current.Expr is AccessorIndexerExpr)
{
_state = new FrameState(_current, code, null, _current.Expr.Arguments);
}
_current = _frame;
}
return(this);
}
public IAccessorFrameInitializer OnIndex(Func <IAccessorFrame, RuntimeObj, PExpr> code)
{
if (_state == null)
{
AccessorCallExpr c = _current?.Expr as AccessorCallExpr;
if (c != null && c.IsIndexer && c.Arguments.Count == 1)
{
_state = new FrameState(_current, code, null, c.Arguments);
}
_current = _frame;
}
return(this);
}
public FrameInitializer(AccessorFrame f)
{
_current = _frame = f;
}
