michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: // Specialized .h file to be used by both JS and C++ code.
michael@0: 
michael@0: #ifndef builtin_SelfHostingDefines_h
michael@0: #define builtin_SelfHostingDefines_h
michael@0: 
michael@0: // Utility macros.
michael@0: #define TO_INT32(x) ((x) | 0)
michael@0: #define TO_UINT32(x) ((x) >>> 0)
michael@0: #define IS_UINT32(x) ((x) >>> 0 === (x))
michael@0: 
michael@0: // Assertions.
michael@0: #ifdef DEBUG
michael@0: #define assert(b, info) if (!(b)) AssertionFailed(info)
michael@0: #else
michael@0: #define assert(b, info) // Elided assertion.
michael@0: #endif
michael@0: 
michael@0: // Unforgeable versions of ARRAY.push(ELEMENT) and ARRAY.slice.
michael@0: #define ARRAY_PUSH(ARRAY, ELEMENT) \
michael@0:   callFunction(std_Array_push, ARRAY, ELEMENT);
michael@0: #define ARRAY_SLICE(ARRAY, ELEMENT) \
michael@0:   callFunction(std_Array_slice, ARRAY, ELEMENT);
michael@0: 
michael@0: // Property descriptor attributes.
michael@0: #define ATTR_ENUMERABLE         0x01
michael@0: #define ATTR_CONFIGURABLE       0x02
michael@0: #define ATTR_WRITABLE           0x04
michael@0: 
michael@0: #define ATTR_NONENUMERABLE      0x08
michael@0: #define ATTR_NONCONFIGURABLE    0x10
michael@0: #define ATTR_NONWRITABLE        0x20
michael@0: 
michael@0: #endif