src: move Environment::context out of strong properties

Rename `ENVIRONMENT_STRONG_PERSISTENT_PROPERTIES` to
`ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES`, and move `context`
out of the list, so that the data can be iterated separately.

PR-URL: #27430
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Refael Ackermann <refack@gmail.com>

Author: joyeecheung

src/env-inl.h

@@ -1106,10 +1106,13 @@ void AsyncRequest::set_stopped(bool flag) {
   inline void Environment::set_ ## PropertyName(v8::Local<TypeName> value) {  \
     PropertyName ## _.Reset(isolate(), value);                                \
   }
-  ENVIRONMENT_STRONG_PERSISTENT_PROPERTIES(V)
+  ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES(V)
   ENVIRONMENT_STRONG_PERSISTENT_VALUES(V)
 #undef V
 
+  inline v8::Local<v8::Context> Environment::context() const {
+    return PersistentToLocal::Strong(context_);
+  }
 }  // namespace node
 
 #endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

src/env.h

@@ -340,11 +340,10 @@ constexpr size_t kFsStatsBufferLength = kFsStatsFieldsNumber * 2;
   V(x_forwarded_string, "x-forwarded-for")                                     \
   V(zero_return_string, "ZERO_RETURN")
 
-#define ENVIRONMENT_STRONG_PERSISTENT_PROPERTIES(V)                            \
+#define ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES(V)                             \
   V(as_callback_data_template, v8::FunctionTemplate)                           \
   V(async_wrap_ctor_template, v8::FunctionTemplate)                            \
   V(async_wrap_object_ctor_template, v8::FunctionTemplate)                     \
-  V(context, v8::Context)                                                      \
   V(fd_constructor_template, v8::ObjectTemplate)                               \
   V(fdclose_constructor_template, v8::ObjectTemplate)                          \
   V(filehandlereadwrap_template, v8::ObjectTemplate)                           \
@@ -1061,9 +1060,11 @@ class Environment : public MemoryRetainer {
   inline v8::Local<TypeName> PropertyName() const;                            \
   inline void set_ ## PropertyName(v8::Local<TypeName> value);
   ENVIRONMENT_STRONG_PERSISTENT_VALUES(V)
-  ENVIRONMENT_STRONG_PERSISTENT_PROPERTIES(V)
+  ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES(V)
 #undef V
 
+  inline v8::Local<v8::Context> context() const;
+
 #if HAVE_INSPECTOR
   inline inspector::Agent* inspector_agent() const {
     return inspector_agent_.get();
@@ -1294,8 +1295,10 @@ class Environment : public MemoryRetainer {
 
 #define V(PropertyName, TypeName) v8::Global<TypeName> PropertyName ## _;
   ENVIRONMENT_STRONG_PERSISTENT_VALUES(V)
-  ENVIRONMENT_STRONG_PERSISTENT_PROPERTIES(V)
+  ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES(V)
 #undef V
+
+  v8::Global<v8::Context> context_;
 };
 
 }  // namespace node