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 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

  * vim: set ts=8 sts=4 et sw=4 tw=99:

  * This Source Code Form is subject to the terms of the Mozilla Public

  * License, v. 2.0. If a copy of the MPL was not distributed with this

  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

 // Specialized .h file to be used by both JS and C++ code.

 #ifndef builtin_SelfHostingDefines_h

 #define builtin_SelfHostingDefines_h

 // Utility macros.

 #define TO_INT32(x) ((x) | 0)

 #define TO_UINT32(x) ((x) >>> 0)

 #define IS_UINT32(x) ((x) >>> 0 === (x))

 // Assertions.

 #ifdef DEBUG

 #define assert(b, info) if (!(b)) AssertionFailed(info)

 #else

 #define assert(b, info) // Elided assertion.

 #endif

 // Unforgeable versions of ARRAY.push(ELEMENT) and ARRAY.slice.

 #define ARRAY_PUSH(ARRAY, ELEMENT) \

   callFunction(std_Array_push, ARRAY, ELEMENT);

 #define ARRAY_SLICE(ARRAY, ELEMENT) \

   callFunction(std_Array_slice, ARRAY, ELEMENT);

 // Property descriptor attributes.

 #define ATTR_ENUMERABLE         0x01

 #define ATTR_CONFIGURABLE       0x02

 #define ATTR_WRITABLE           0x04

 #define ATTR_NONENUMERABLE      0x08

 #define ATTR_NONCONFIGURABLE    0x10

 #define ATTR_NONWRITABLE        0x20

 #endif