[objects] Extract DebugInfo and BreakPointInfo to own file

src/objects/object-macros.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Note 1: Any file that includes this one should include object-macros-undef.h
 // at the bottom.
 
 // Note 2: This file is deliberately missing the include guards (the undeffing
 // approach wouldn't work otherwise).
 
@@ skipping 17 matching lines @@
 #define CAST_ACCESSOR(type)                       \
   type* type::cast(Object* object) {              \
     SLOW_DCHECK(object->Is##type());              \
     return reinterpret_cast<type*>(object);       \
   }                                               \
   const type* type::cast(const Object* object) {  \
     SLOW_DCHECK(object->Is##type());              \
     return reinterpret_cast<const type*>(object); \
   }
 
+#define INT_ACCESSORS(holder, name, offset)                         \
+  int holder::name() const { return READ_INT_FIELD(this, offset); } \
+  void holder::set_##name(int value) { WRITE_INT_FIELD(this, offset, value); }
+
+#define ACCESSORS_CHECKED2(holder, name, type, offset, get_condition, \
+                           set_condition)                             \
+  type* holder::name() const {                                        \
+    DCHECK(get_condition);                                            \
+    return type::cast(READ_FIELD(this, offset));                      \
+  }                                                                   \
+  void holder::set_##name(type* value, WriteBarrierMode mode) {       \
+    DCHECK(set_condition);                                            \
+    WRITE_FIELD(this, offset, value);                                 \
+    CONDITIONAL_WRITE_BARRIER(GetHeap(), this, offset, value, mode);  \
+  }
+#define ACCESSORS_CHECKED(holder, name, type, offset, condition) \
+  ACCESSORS_CHECKED2(holder, name, type, offset, condition, condition)
+
+#define ACCESSORS(holder, name, type, offset) \
+  ACCESSORS_CHECKED(holder, name, type, offset, true)
+
+// Getter that returns a Smi as an int and writes an int as a Smi.
+#define SMI_ACCESSORS_CHECKED(holder, name, offset, condition) \
+  int holder::name() const {                                   \
+    DCHECK(condition);                                         \
+    Object* value = READ_FIELD(this, offset);                  \
+    return Smi::cast(value)->value();                          \
+  }                                                            \
+  void holder::set_##name(int value) {                         \
+    DCHECK(condition);                                         \
+    WRITE_FIELD(this, offset, Smi::FromInt(value));            \
+  }
+
+#define SMI_ACCESSORS(holder, name, offset) \
+  SMI_ACCESSORS_CHECKED(holder, name, offset, true)
+
+#define SYNCHRONIZED_SMI_ACCESSORS(holder, name, offset)    \
+  int holder::synchronized_##name() const {                 \
+    Object* value = ACQUIRE_READ_FIELD(this, offset);       \
+    return Smi::cast(value)->value();                       \
+  }                                                         \
+  void holder::synchronized_set_##name(int value) {         \
+    RELEASE_WRITE_FIELD(this, offset, Smi::FromInt(value)); \
+  }
+
+#define NOBARRIER_SMI_ACCESSORS(holder, name, offset)         \
+  int holder::nobarrier_##name() const {                      \
+    Object* value = NOBARRIER_READ_FIELD(this, offset);       \
+    return Smi::cast(value)->value();                         \
+  }                                                           \
+  void holder::nobarrier_set_##name(int value) {              \
+    NOBARRIER_WRITE_FIELD(this, offset, Smi::FromInt(value)); \
+  }
+
+#define BOOL_GETTER(holder, field, name, offset) \
+  bool holder::name() const { return BooleanBit::get(field(), offset); }
+
+#define BOOL_ACCESSORS(holder, field, name, offset)                      \
+  bool holder::name() const { return BooleanBit::get(field(), offset); } \
+  void holder::set_##name(bool value) {                                  \
+    set_##field(BooleanBit::set(field(), offset, value));                \
+  }
+
+#define TYPE_CHECKER(type, instancetype)           \
+  bool HeapObject::Is##type() const {              \
+    return map()->instance_type() == instancetype; \
+  }
+
+#define FIELD_ADDR(p, offset) \
+  (reinterpret_cast<byte*>(p) + offset - kHeapObjectTag)
+
+#define FIELD_ADDR_CONST(p, offset) \
+  (reinterpret_cast<const byte*>(p) + offset - kHeapObjectTag)
+
+#define READ_FIELD(p, offset) \
+  (*reinterpret_cast<Object* const*>(FIELD_ADDR_CONST(p, offset)))
+
+#define ACQUIRE_READ_FIELD(p, offset)           \
+  reinterpret_cast<Object*>(base::Acquire_Load( \
+      reinterpret_cast<const base::AtomicWord*>(FIELD_ADDR_CONST(p, offset))))
+
+#define NOBARRIER_READ_FIELD(p, offset)           \
+  reinterpret_cast<Object*>(base::NoBarrier_Load( \
+      reinterpret_cast<const base::AtomicWord*>(FIELD_ADDR_CONST(p, offset))))
+
+#ifdef V8_CONCURRENT_MARKING
+#define WRITE_FIELD(p, offset, value)                             \
+  base::NoBarrier_Store(                                          \
+      reinterpret_cast<base::AtomicWord*>(FIELD_ADDR(p, offset)), \
+      reinterpret_cast<base::AtomicWord>(value));
+#else
+#define WRITE_FIELD(p, offset, value) \
+  (*reinterpret_cast<Object**>(FIELD_ADDR(p, offset)) = value)
+#endif
+
+#define RELEASE_WRITE_FIELD(p, offset, value)                     \
+  base::Release_Store(                                            \
+      reinterpret_cast<base::AtomicWord*>(FIELD_ADDR(p, offset)), \
+      reinterpret_cast<base::AtomicWord>(value));
+
+#define NOBARRIER_WRITE_FIELD(p, offset, value)                   \
+  base::NoBarrier_Store(                                          \
+      reinterpret_cast<base::AtomicWord*>(FIELD_ADDR(p, offset)), \
+      reinterpret_cast<base::AtomicWord>(value));
+
+#define WRITE_BARRIER(heap, object, offset, value)          \
+  heap->incremental_marking()->RecordWrite(                 \
+      object, HeapObject::RawField(object, offset), value); \
+  heap->RecordWrite(object, offset, value);
+
+#define CONDITIONAL_WRITE_BARRIER(heap, object, offset, value, mode) \
+  if (mode != SKIP_WRITE_BARRIER) {                                  \
+    if (mode == UPDATE_WRITE_BARRIER) {                              \
+      heap->incremental_marking()->RecordWrite(                      \
+          object, HeapObject::RawField(object, offset), value);      \
+    }                                                                \
+    heap->RecordWrite(object, offset, value);                        \
+  }
+
+#define READ_DOUBLE_FIELD(p, offset) \
+  ReadDoubleValue(FIELD_ADDR_CONST(p, offset))
+
+#define WRITE_DOUBLE_FIELD(p, offset, value) \
+  WriteDoubleValue(FIELD_ADDR(p, offset), value)
+
+#define READ_INT_FIELD(p, offset) \
+  (*reinterpret_cast<const int*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_INT_FIELD(p, offset, value) \
+  (*reinterpret_cast<int*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_INTPTR_FIELD(p, offset) \
+  (*reinterpret_cast<const intptr_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_INTPTR_FIELD(p, offset, value) \
+  (*reinterpret_cast<intptr_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_UINT8_FIELD(p, offset) \
+  (*reinterpret_cast<const uint8_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_UINT8_FIELD(p, offset, value) \
+  (*reinterpret_cast<uint8_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_INT8_FIELD(p, offset) \
+  (*reinterpret_cast<const int8_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_INT8_FIELD(p, offset, value) \
+  (*reinterpret_cast<int8_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_UINT16_FIELD(p, offset) \
+  (*reinterpret_cast<const uint16_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_UINT16_FIELD(p, offset, value) \
+  (*reinterpret_cast<uint16_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_INT16_FIELD(p, offset) \
+  (*reinterpret_cast<const int16_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_INT16_FIELD(p, offset, value) \
+  (*reinterpret_cast<int16_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_UINT32_FIELD(p, offset) \
+  (*reinterpret_cast<const uint32_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_UINT32_FIELD(p, offset, value) \
+  (*reinterpret_cast<uint32_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_INT32_FIELD(p, offset) \
+  (*reinterpret_cast<const int32_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_INT32_FIELD(p, offset, value) \
+  (*reinterpret_cast<int32_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_FLOAT_FIELD(p, offset) \
+  (*reinterpret_cast<const float*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_FLOAT_FIELD(p, offset, value) \
+  (*reinterpret_cast<float*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_UINT64_FIELD(p, offset) \
+  (*reinterpret_cast<const uint64_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_UINT64_FIELD(p, offset, value) \
+  (*reinterpret_cast<uint64_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_INT64_FIELD(p, offset) \
+  (*reinterpret_cast<const int64_t*>(FIELD_ADDR_CONST(p, offset)))
+
+#define WRITE_INT64_FIELD(p, offset, value) \
+  (*reinterpret_cast<int64_t*>(FIELD_ADDR(p, offset)) = value)
+
+#define READ_BYTE_FIELD(p, offset) \
+  (*reinterpret_cast<const byte*>(FIELD_ADDR_CONST(p, offset)))
+
+#define NOBARRIER_READ_BYTE_FIELD(p, offset) \
+  static_cast<byte>(base::NoBarrier_Load(    \
+      reinterpret_cast<base::Atomic8*>(FIELD_ADDR(p, offset))))
+
+#define WRITE_BYTE_FIELD(p, offset, value) \
+  (*reinterpret_cast<byte*>(FIELD_ADDR(p, offset)) = value)
+
+#define NOBARRIER_WRITE_BYTE_FIELD(p, offset, value)           \
+  base::NoBarrier_Store(                                       \
+      reinterpret_cast<base::Atomic8*>(FIELD_ADDR(p, offset)), \
+      static_cast<base::Atomic8>(value));
+
 #ifdef VERIFY_HEAP
 #define DECLARE_VERIFIER(Name) void Name##Verify();
 #else
 #define DECLARE_VERIFIER(Name)
 #endif