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_CHECKS_H_ 6 #define V8_CHECKS_H_ 7 8 #include "src/base/logging.h" 9 10 #ifdef DEBUG 11 #ifndef OPTIMIZED_DEBUG 12 #define ENABLE_SLOW_DCHECKS 1 13 #endif 14 #endif 15 16 namespace v8 { 17 18 class Value; 19 template <class T> class Handle; 20 21 namespace internal { 22 23 intptr_t HeapObjectTagMask(); 24 25 #ifdef ENABLE_SLOW_DCHECKS 26 #define SLOW_DCHECK(condition) \ 27 CHECK(!v8::internal::FLAG_enable_slow_asserts || (condition)) 28 extern bool FLAG_enable_slow_asserts; 29 #else 30 #define SLOW_DCHECK(condition) ((void) 0) 31 const bool FLAG_enable_slow_asserts = false; 32 #endif 33 34 } } // namespace v8::internal 35 36 37 void CheckNonEqualsHelper(const char* file, int line, 38 const char* expected_source, double expected, 39 const char* value_source, double value); 40 41 void CheckEqualsHelper(const char* file, int line, const char* expected_source, 42 double expected, const char* value_source, double value); 43 44 void CheckNonEqualsHelper(const char* file, int line, 45 const char* unexpected_source, 46 v8::Handle<v8::Value> unexpected, 47 const char* value_source, 48 v8::Handle<v8::Value> value); 49 50 void CheckEqualsHelper(const char* file, 51 int line, 52 const char* expected_source, 53 v8::Handle<v8::Value> expected, 54 const char* value_source, 55 v8::Handle<v8::Value> value); 56 57 #define DCHECK_TAG_ALIGNED(address) \ 58 DCHECK((reinterpret_cast<intptr_t>(address) & HeapObjectTagMask()) == 0) 59 60 #define DCHECK_SIZE_TAG_ALIGNED(size) DCHECK((size & HeapObjectTagMask()) == 0) 61 62 #endif // V8_CHECKS_H_ 63
