vm: add dynamic import support

PR-URL: https://github.com/nodejs/node/pull/22381
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Guy Bedford <guybedford@gmail.com>
Reviewed-By: Tiancheng "Timothy" Gu <timothygu99@gmail.com>

1 files changed, 14 insertions, 1 deletions

diff --git a/src/env.h b/src/env.h
index a210252643..1eb333b0ef 100644
--- a/src/env.h
+++ b/src/env.h
@@ -47,6 +47,10 @@ struct nghttp2_rcbuf;
 
 namespace node {
 
+namespace contextify {
+class ContextifyScript;
+}
+
 namespace fs {
 class FileHandleReadWrap;
 }
@@ -674,7 +678,13 @@ class Environment {
   // List of id's that have been destroyed and need the destroy() cb called.
   inline std::vector<double>* destroy_async_id_list();
 
-  std::unordered_multimap<int, loader::ModuleWrap*> module_map;
+  std::unordered_multimap<int, loader::ModuleWrap*> hash_to_module_map;
+  std::unordered_map<uint32_t, loader::ModuleWrap*> id_to_module_map;
+  std::unordered_map<uint32_t, contextify::ContextifyScript*>
+      id_to_script_map;
+
+  inline uint32_t get_next_module_id();
+  inline uint32_t get_next_script_id();
 
   std::unordered_map<std::string, const loader::PackageConfig>
       package_json_cache;
@@ -924,6 +934,9 @@ class Environment {
 
   std::shared_ptr<EnvironmentOptions> options_;
 
+  uint32_t module_id_counter_ = 0;
+  uint32_t script_id_counter_ = 0;
+
   AliasedBuffer<uint32_t, v8::Uint32Array> should_abort_on_uncaught_toggle_;
   int should_not_abort_scope_counter_ = 0;