//===--- LangOptions.h - Language & configuration options -------*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
//
//  This file defines the LangOptions class, which provides various
//  language and configuration flags.
//
//===----------------------------------------------------------------------===//

#ifndef SWIFT_LANGOPTIONS_H
#define SWIFT_LANGOPTIONS_H

namespace swift {
  /// \brief A collection of options that affect the language dialect and
  /// provide compiler debugging facilities.
  class LangOptions {
  public:
    /// \brief Whether to use the constraint solver for type checking.
    ///
    /// FIXME: This option is temporary, and will be removed once the constraint
    /// solver is the only type checker.
    bool UseConstraintSolver = true;

    /// \brief Whether we are debugging the constraint solver.
    ///
    /// This option enables verbose debugging output from the constraint
    /// solver.
    bool DebugConstraintSolver = false;

    /// \brief Map NSString -> String in function parameters and results.
    bool NSStringIsString = false;

  };
}

#endif