From bba0ed3185f30218e015ccd32cc0c8ae14ebba01 Mon Sep 17 00:00:00 2001
From: Ryan Dahl <ry@tinyclouds.org>
Date: Thu, 29 Nov 2018 15:40:04 -0500
Subject: Add ESM support to libdeno

Introduces deno_execute_mod() for executing ES modules.
---
 libdeno/internal.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'libdeno/internal.h')

diff --git a/libdeno/internal.h b/libdeno/internal.h
index 91e06bead..d8316ce6b 100644
--- a/libdeno/internal.h
+++ b/libdeno/internal.h
@@ -20,6 +20,7 @@ class DenoIsolate {
         snapshot_creator_(nullptr),
         global_import_buf_ptr_(nullptr),
         recv_cb_(config.recv_cb),
+        resolve_cb_(config.resolve_cb),
         next_req_id_(0),
         user_data_(nullptr) {
     array_buffer_allocator_ = v8::ArrayBuffer::Allocator::NewDefaultAllocator();
@@ -40,6 +41,9 @@ class DenoIsolate {
   }
 
   void AddIsolate(v8::Isolate* isolate);
+  void RegisterModule(const char* filename, v8::Local<v8::Module> module);
+  void ResolveOk(const char* filename, const char* source);
+  void ClearModules();
 
   v8::Isolate* isolate_;
   v8::ArrayBuffer::Allocator* array_buffer_allocator_;
@@ -48,9 +52,17 @@ class DenoIsolate {
   v8::SnapshotCreator* snapshot_creator_;
   void* global_import_buf_ptr_;
   deno_recv_cb recv_cb_;
+  deno_resolve_cb resolve_cb_;
   int32_t next_req_id_;
   void* user_data_;
 
+  // identity hash -> filename
+  std::map<int, std::string> module_filename_map_;
+  // filename -> Module
+  std::map<std::string, v8::Persistent<v8::Module>> module_map_;
+  // Set by deno_resolve_ok
+  v8::Persistent<v8::Module> resolve_module_;
+
   v8::Persistent<v8::Context> context_;
   std::map<int32_t, v8::Persistent<v8::Value>> async_data_map_;
   std::map<int, v8::Persistent<v8::Value>> pending_promise_map_;
@@ -121,6 +133,8 @@ void DeleteDataRef(DenoIsolate* d, int32_t req_id);
 
 bool Execute(v8::Local<v8::Context> context, const char* js_filename,
              const char* js_source);
+bool ExecuteMod(v8::Local<v8::Context> context, const char* js_filename,
+                const char* js_source);
 
 }  // namespace deno
 
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