src: flatten ContextifyContext

Flattens ContextifyContext allows the context interface to be used in
other parts of the code base.

PR-URL: https://github.com/nodejs/node/pull/17560
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

1 files changed, 98 insertions, 0 deletions

diff --git a/src/node_contextify.h b/src/node_contextify.h
new file mode 100644
index 0000000000..e8a54e1667
--- /dev/null
+++ b/src/node_contextify.h
@@ -0,0 +1,98 @@
+#ifndef SRC_NODE_CONTEXTIFY_H_
+#define SRC_NODE_CONTEXTIFY_H_
+
+#include "node_internals.h"
+#include "node_watchdog.h"
+#include "base_object-inl.h"
+
+namespace node {
+namespace contextify {
+
+class ContextifyContext {
+ protected:
+  // V8 reserves the first field in context objects for the debugger. We use the
+  // second field to hold a reference to the sandbox object.
+  enum { kSandboxObjectIndex = 1 };
+
+  Environment* const env_;
+  v8::Persistent<v8::Context> context_;
+
+ public:
+  ContextifyContext(Environment* env,
+                    v8::Local<v8::Object> sandbox_obj,
+                    v8::Local<v8::Object> options_obj);
+  ~ContextifyContext();
+
+  v8::Local<v8::Value> CreateDataWrapper(Environment* env);
+  v8::Local<v8::Context> CreateV8Context(Environment* env,
+      v8::Local<v8::Object> sandbox_obj, v8::Local<v8::Object> options_obj);
+  static void Init(Environment* env, v8::Local<v8::Object> target);
+
+  static ContextifyContext* ContextFromContextifiedSandbox(
+      Environment* env,
+      const v8::Local<v8::Object>& sandbox);
+
+  inline Environment* env() const {
+    return env_;
+  }
+
+  inline v8::Local<v8::Context> context() const {
+    return PersistentToLocal(env()->isolate(), context_);
+  }
+
+  inline v8::Local<v8::Object> global_proxy() const {
+    return context()->Global();
+  }
+
+  inline v8::Local<v8::Object> sandbox() const {
+    return v8::Local<v8::Object>::Cast(
+        context()->GetEmbedderData(kSandboxObjectIndex));
+  }
+
+ private:
+  static void MakeContext(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void IsContext(const v8::FunctionCallbackInfo<v8::Value>& args);
+  static void WeakCallback(
+      const v8::WeakCallbackInfo<ContextifyContext>& data);
+  static void PropertyGetterCallback(
+      v8::Local<v8::Name> property,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void PropertySetterCallback(
+      v8::Local<v8::Name> property,
+      v8::Local<v8::Value> value,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void PropertyDescriptorCallback(
+      v8::Local<v8::Name> property,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void PropertyDefinerCallback(
+      v8::Local<v8::Name> property,
+      const v8::PropertyDescriptor& desc,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void PropertyDeleterCallback(
+      v8::Local<v8::Name> property,
+      const v8::PropertyCallbackInfo<v8::Boolean>& args);
+  static void PropertyEnumeratorCallback(
+      const v8::PropertyCallbackInfo<v8::Array>& args);
+  static void IndexedPropertyGetterCallback(
+      uint32_t index,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void IndexedPropertySetterCallback(
+      uint32_t index,
+      v8::Local<v8::Value> value,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void IndexedPropertyDescriptorCallback(
+      uint32_t index,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void IndexedPropertyDefinerCallback(
+      uint32_t index,
+      const v8::PropertyDescriptor& desc,
+      const v8::PropertyCallbackInfo<v8::Value>& args);
+  static void IndexedPropertyDeleterCallback(
+      uint32_t index,
+      const v8::PropertyCallbackInfo<v8::Boolean>& args);
+};
+
+}  // namespace contextify
+}  // namespace node
+
+#endif  // SRC_NODE_CONTEXTIFY_H_