1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef V8_COMMON_CHECKS_H_ 6 #define V8_COMMON_CHECKS_H_ 7 8 #include "include/v8-internal.h" 9 #include "src/base/logging.h" 10 #include "src/common/globals.h" 11 12 namespace v8 { 13 14 class Value; 15 16 namespace internal { 17 18 #ifdef ENABLE_SLOW_DCHECKS 19 #define SLOW_DCHECK(condition) \ 20 CHECK(!v8::internal::FLAG_enable_slow_asserts || (condition)) 21 #define SLOW_DCHECK_IMPLIES(lhs, rhs) SLOW_DCHECK(!(lhs) || (rhs)) 22 V8_EXPORT_PRIVATE extern bool FLAG_enable_slow_asserts; 23 #else 24 #define SLOW_DCHECK(condition) ((void)0) 25 #define SLOW_DCHECK_IMPLIES(v1, v2) ((void)0) 26 static const bool FLAG_enable_slow_asserts = false; 27 #endif 28 29 } // namespace internal 30 } // namespace v8 31 32 #define DCHECK_TAG_ALIGNED(address) \ 33 DCHECK((address & ::v8::internal::kHeapObjectTagMask) == 0) 34 35 #define DCHECK_SIZE_TAG_ALIGNED(size) \ 36 DCHECK((size & ::v8::internal::kHeapObjectTagMask) == 0) 37 38 #endif // V8_COMMON_CHECKS_H_ 39