src: add FileReader and FileWriter

nodejs · Jun 2, 2021 · abe40e8 · abe40e8
1 parent 7b9d49c
commit abe40e8
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Showing 4 changed files with 474 additions and 2 deletions.
diff --git a/src/env.cc b/src/env.cc
@@ -1341,13 +1341,18 @@ std::ostream& operator<<(std::ostream& output,
                          const std::vector<PropInfo>& vec) {
   output << "{\n";
   for (const auto& info : vec) {
-    output << "  { \"" << info.name << "\", " << std::to_string(info.id) << ", "
-           << std::to_string(info.index) << " },\n";
+    output << "  " << info << ",\n";
   }
   output << "}";
   return output;
 }
 
+std::ostream& operator<<(std::ostream& output, const PropInfo& info) {
+  output << "{ \"" << info.name << "\", " << std::to_string(info.id) << ", "
+         << std::to_string(info.index) << " }";
+  return output;
+}
+
 std::ostream& operator<<(std::ostream& output,
                          const std::vector<std::string>& vec) {
   output << "{\n";

diff --git a/src/env.h b/src/env.h
@@ -945,9 +945,14 @@ struct EnvSerializeInfo {
 
 struct SnapshotData {
   SnapshotData() { blob.data = nullptr; }
+
+  static const uint64_t kMagic = 0x143da19;
   v8::StartupData blob;
   std::vector<size_t> isolate_data_indices;
   EnvSerializeInfo env_info;
+
+  void ToBlob(FILE* out);
+  static void FromBlob(SnapshotData* out, FILE* in);
 };
 
 class Environment : public MemoryRetainer {

diff --git a/src/node_internals.h b/src/node_internals.h
@@ -406,6 +406,25 @@ std::string Basename(const std::string& str, const std::string& extension);
 
 node_module napi_module_to_node_module(const napi_module* mod);
 
+std::ostream& operator<<(std::ostream& output,
+                         const std::vector<SnapshotIndex>& v);
+std::ostream& operator<<(std::ostream& output,
+                         const std::vector<std::string>& vec);
+std::ostream& operator<<(std::ostream& output,
+                         const std::vector<PropInfo>& vec);
+std::ostream& operator<<(std::ostream& output, const PropInfo& d);
+std::ostream& operator<<(std::ostream& output, const EnvSerializeInfo& d);
+std::ostream& operator<<(std::ostream& output,
+                         const ImmediateInfo::SerializeInfo& d);
+std::ostream& operator<<(std::ostream& output,
+                         const TickInfo::SerializeInfo& d);
+std::ostream& operator<<(std::ostream& output,
+                         const AsyncHooks::SerializeInfo& d);
+
+namespace performance {
+std::ostream& operator<<(std::ostream& output,
+                         const PerformanceState::SerializeInfo& d);
+}
 }  // namespace node
 
 #endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS