107 : \
108 using UntaggedObjectType = dart::Untagged##object; \
109 using ObjectPtrType = dart::object##Ptr; \
110 static_assert(!dart::super::ContainsCompressedPointers() || \
111 UntaggedObjectType::kContainsCompressedPointers, \
112 "Untagged" #object \
113 " must have compressed pointers, as supertype Untagged" #super \
114 " has compressed pointers"); \
115 static constexpr bool ContainsCompressedPointers() { \
116 return UntaggedObjectType::kContainsCompressedPointers; \
117 } \
118 object##Ptr ptr() const { \
119 return static_cast<object##Ptr>(ptr_); \
120 } \
121 bool Is##object() const { \
122 return true; \
123 } \
124 DART_NOINLINE static object& Handle() { \
125 return static_cast<object&>( \
126 HandleImpl(Thread::Current()->zone(), object::null(), kClassId)); \
127 } \
128 DART_NOINLINE static object& Handle(Zone* zone) { \
129 return static_cast<object&>(HandleImpl(zone, object::null(), kClassId)); \
130 } \
131 DART_NOINLINE static object& Handle(object##Ptr ptr) { \
132 return static_cast<object&>( \
133 HandleImpl(Thread::Current()->zone(), ptr, kClassId)); \
134 } \
135 DART_NOINLINE static object& Handle(Zone* zone, object##Ptr ptr) { \
136 return static_cast<object&>(HandleImpl(zone, ptr, kClassId)); \
137 } \
138 DART_NOINLINE static object& ZoneHandle() { \
139 return static_cast<object&>( \
140 ZoneHandleImpl(Thread::Current()->zone(), object::null(), kClassId)); \
141 } \
142 DART_NOINLINE static object& ZoneHandle(Zone* zone) { \
143 return static_cast<object&>( \
144 ZoneHandleImpl(zone, object::null(), kClassId)); \
145 } \
146 DART_NOINLINE static object& ZoneHandle(object##Ptr ptr) { \
147 return static_cast<object&>( \
148 ZoneHandleImpl(Thread::Current()->zone(), ptr, kClassId)); \
149 } \
150 DART_NOINLINE static object& ZoneHandle(Zone* zone, object##Ptr ptr) { \
151 return static_cast<object&>(ZoneHandleImpl(zone, ptr, kClassId)); \
152 } \
153 static object* ReadOnlyHandle() { \
154 return static_cast<object*>(ReadOnlyHandleImpl(kClassId)); \
155 } \
156 DART_NOINLINE static object& CheckedHandle(Zone* zone, ObjectPtr ptr) { \
157 object* obj = reinterpret_cast<object*>(VMHandles::AllocateHandle(zone)); \
158 initializeHandle(obj, ptr); \
159 if (!obj->Is##object()) { \
160 FATAL("Handle check failed: saw %s expected %s", obj->ToCString(), \
161 #object); \
162 } \
163 return *obj; \
164 } \
165 DART_NOINLINE static object& CheckedZoneHandle(Zone* zone, ObjectPtr ptr) { \
166 object* obj = \
167 reinterpret_cast<object*>(VMHandles::AllocateZoneHandle(zone)); \
168 initializeHandle(obj, ptr); \
169 if (!obj->Is##object()) { \
170 FATAL("Handle check failed: saw %s expected %s", obj->ToCString(), \
171 #object); \
172 } \
173 return *obj; \
174 } \
175 DART_NOINLINE static object& CheckedZoneHandle(ObjectPtr ptr) { \
176 return CheckedZoneHandle(Thread::Current()->zone(), ptr); \
177 } \
178 \
179 \
180 \
181 static const object& Cast(const Object& obj) { \
182 ASSERT(obj.Is##object()); \
183 return reinterpret_cast<const object&>(obj); \
184 } \
185 static object##Ptr RawCast(ObjectPtr raw) { \
186 ASSERT(Is##object##NoHandle(raw)); \
187 return static_cast<object##Ptr>(raw); \
188 } \
189 static object##Ptr null() { \
190 return static_cast<object##Ptr>(Object::null()); \
191 } \
192 virtual const char* ToCString() const; \
193 static const ClassId kClassId = k##
object##Cid; \
194 \
195 private: \
196 \
197 static void initializeHandle(object* obj, ObjectPtr ptr) { \
198 obj->setPtr(ptr, kClassId); \
199 } \
200 \
201 public: \
202 void operator delete(void* pointer) { \
203 UNREACHABLE(); \
204 } \
205 \
206 private: \
207 void*
operator new(
size_t size); \
208 object(const object& value) = delete; \
209 void operator=(super##Ptr value) = delete; \
210 void operator=(const object& value) = delete; \
211 void operator=(const super& value) = delete;
it will be possible to load the file into Perfetto s trace viewer disable asset Prevents usage of any non test fonts unless they were explicitly Loaded via prefetched default font Indicates whether the embedding started a prefetch of the default font manager before creating the engine run In non interactive keep the shell running after the Dart script has completed enable serial On low power devices with low core running concurrent GC tasks on threads can cause them to contend with the UI thread which could potentially lead to jank This option turns off all concurrent GC activities domain network JSON encoded network policy per domain This overrides the DisallowInsecureConnections switch Embedder can specify whether to allow or disallow insecure connections at a domain level old gen heap size
1.9.8