1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/builtin/SelfHostingDefines.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,39 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +// Specialized .h file to be used by both JS and C++ code.
1.11 +
1.12 +#ifndef builtin_SelfHostingDefines_h
1.13 +#define builtin_SelfHostingDefines_h
1.14 +
1.15 +// Utility macros.
1.16 +#define TO_INT32(x) ((x) | 0)
1.17 +#define TO_UINT32(x) ((x) >>> 0)
1.18 +#define IS_UINT32(x) ((x) >>> 0 === (x))
1.19 +
1.20 +// Assertions.
1.21 +#ifdef DEBUG
1.22 +#define assert(b, info) if (!(b)) AssertionFailed(info)
1.23 +#else
1.24 +#define assert(b, info) // Elided assertion.
1.25 +#endif
1.26 +
1.27 +// Unforgeable versions of ARRAY.push(ELEMENT) and ARRAY.slice.
1.28 +#define ARRAY_PUSH(ARRAY, ELEMENT) \
1.29 + callFunction(std_Array_push, ARRAY, ELEMENT);
1.30 +#define ARRAY_SLICE(ARRAY, ELEMENT) \
1.31 + callFunction(std_Array_slice, ARRAY, ELEMENT);
1.32 +
1.33 +// Property descriptor attributes.
1.34 +#define ATTR_ENUMERABLE 0x01
1.35 +#define ATTR_CONFIGURABLE 0x02
1.36 +#define ATTR_WRITABLE 0x04
1.37 +
1.38 +#define ATTR_NONENUMERABLE 0x08
1.39 +#define ATTR_NONCONFIGURABLE 0x10
1.40 +#define ATTR_NONWRITABLE 0x20
1.41 +
1.42 +#endif
