[api] consistently expose all well-known symbols.

src/api.cc

 // Copyright 2012 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.
 
 #include "src/api.h"
 
 #include <string.h>  // For memcpy, strlen.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #include <sanitizer/asan_interface.h>
 #endif  // V8_USE_ADDRESS_SANITIZER
@@ skipping 7910 matching lines @@
 }
 
 
 Local<Symbol> v8::Symbol::ForApi(Isolate* isolate, Local<String> name) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   i::Handle<i::String> i_name = Utils::OpenHandle(*name);
   return Utils::ToLocal(
       i_isolate->SymbolFor(i::Heap::kApiSymbolTableRootIndex, i_name, false));
 }
 
+#define WELL_KNOWN_SYMBOLS(V)                 \
+  V(HasInstance, has_instance)                \
+  V(IsConcatSpreadable, is_concat_spreadable) \
+  V(Iterator, iterator)                       \
+  V(Match, match)                             \
+  V(Replace, replace)                         \
+  V(Search, search)                           \
+  V(Split, split)                             \
+  V(ToPrimitive, to_primitive)                \
+  V(ToStringTag, to_string_tag)               \
+  V(Unscopables, unscopables)
 
-Local<Symbol> v8::Symbol::GetIterator(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  return Utils::ToLocal(i_isolate->factory()->iterator_symbol());
-}
+#define SYMBOL_GETTER(Name, name)                                   \
+  Local<Symbol> v8::Symbol::Get##Name(Isolate* isolate) {           \
+    i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate); \
+    return Utils::ToLocal(i_isolate->factory()->name##_symbol());   \
+  }
 
+WELL_KNOWN_SYMBOLS(SYMBOL_GETTER)
 
-Local<Symbol> v8::Symbol::GetUnscopables(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  return Utils::ToLocal(i_isolate->factory()->unscopables_symbol());
-}
-
-Local<Symbol> v8::Symbol::GetToPrimitive(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  return Utils::ToLocal(i_isolate->factory()->to_primitive_symbol());
-}
-
-Local<Symbol> v8::Symbol::GetToStringTag(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  return Utils::ToLocal(i_isolate->factory()->to_string_tag_symbol());
-}
-
-
-Local<Symbol> v8::Symbol::GetIsConcatSpreadable(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  return Utils::ToLocal(i_isolate->factory()->is_concat_spreadable_symbol());
-}
-
+#undef SYMBOL_GETTER
+#undef WELL_KNOWN_SYMBOLS
 
 Local<Private> v8::Private::New(Isolate* isolate, Local<String> name) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   LOG_API(i_isolate, Private, New);
   ENTER_V8_NO_SCRIPT_NO_EXCEPTION(i_isolate);
   i::Handle<i::Symbol> symbol = i_isolate->factory()->NewPrivateSymbol();
   if (!name.IsEmpty()) symbol->set_name(*Utils::OpenHandle(*name));
   Local<Symbol> result = Utils::ToLocal(symbol);
   return v8::Local<Private>(reinterpret_cast<Private*>(*result));
 }
@@ skipping 2347 matching lines @@
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 }  // namespace internal
 }  // namespace v8