3 files changed, 58 insertions, 4 deletions

diff --git a/src/inspector/node_inspector.gypi b/src/inspector/node_inspector.gypi
index 9483a0712e..a59727f191 100644
--- a/src/inspector/node_inspector.gypi
+++ b/src/inspector/node_inspector.gypi
@@ -34,7 +34,7 @@
       '<(protocol_tool_path)/templates/Imported_h.template',
       '<(protocol_tool_path)/templates/TypeBuilder_cpp.template',
       '<(protocol_tool_path)/templates/TypeBuilder_h.template',
-      '<(protocol_tool_path)/CodeGenerator.py',
+      '<(protocol_tool_path)/code_generator.py',
     ]
   },
   'defines': [
@@ -87,7 +87,7 @@
       ],
       'action': [
         'python',
-        'tools/inspector_protocol/ConvertProtocolToJSON.py',
+        'tools/inspector_protocol/convert_protocol_to_json.py',
         '<@(_inputs)',
         '<@(_outputs)',
       ],
@@ -105,7 +105,7 @@
       'process_outputs_as_sources': 1,
       'action': [
         'python',
-        'tools/inspector_protocol/CodeGenerator.py',
+        'tools/inspector_protocol/code_generator.py',
         '--jinja_dir', '<@(protocol_tool_path)/..',
         '--output_base', '<(SHARED_INTERMEDIATE_DIR)/src/',
         '--config', '<(SHARED_INTERMEDIATE_DIR)/node_protocol_config.json',
@@ -123,7 +123,7 @@
       ],
       'action': [
         'python',
-        'tools/inspector_protocol/ConcatenateProtocols.py',
+        'tools/inspector_protocol/concatenate_protocols.py',
         '<@(_inputs)',
         '<@(_outputs)',
       ],
diff --git a/src/inspector/node_string.cc b/src/inspector/node_string.cc
index cb9e90c20e..a79df9e817 100644
--- a/src/inspector/node_string.cc
+++ b/src/inspector/node_string.cc
@@ -85,6 +85,28 @@ double toDouble(const char* buffer, size_t length, bool* ok) {
   return d;
 }
 
+std::unique_ptr<Value> parseMessage(const std::string& message, bool binary) {
+  if (binary) {
+    return Value::parseBinary(
+        reinterpret_cast<const uint8_t*>(message.data()),
+        message.length());
+  }
+  return parseJSON(message);
+}
+
+ProtocolMessage jsonToMessage(String message) {
+  return message;
+}
+
+ProtocolMessage binaryToMessage(std::vector<uint8_t> message) {
+  return std::string(reinterpret_cast<const char*>(message.data()),
+                     message.size());
+}
+
+String fromUTF8(const uint8_t* data, size_t length) {
+  return std::string(reinterpret_cast<const char*>(data), length);
+}
+
 }  // namespace StringUtil
 }  // namespace protocol
 }  // namespace inspector
diff --git a/src/inspector/node_string.h b/src/inspector/node_string.h
index 5047988536..39545b75ae 100644
--- a/src/inspector/node_string.h
+++ b/src/inspector/node_string.h
@@ -18,6 +18,17 @@ class Value;
 
 using String = std::string;
 using StringBuilder = std::ostringstream;
+using ProtocolMessage = std::string;
+
+class StringUTF8Adapter {
+ public:
+  explicit StringUTF8Adapter(const std::string& string) : string_(string) { }
+  const char* Data() const { return string_.data(); }
+  size_t length() const { return string_.length(); }
+
+ private:
+  const std::string& string_;
+};
 
 namespace StringUtil {
 // NOLINTNEXTLINE(runtime/references) This is V8 API...
@@ -67,8 +78,29 @@ void builderAppendQuotedString(StringBuilder& builder, const String&);
 std::unique_ptr<Value> parseJSON(const String&);
 std::unique_ptr<Value> parseJSON(v8_inspector::StringView view);
 
+std::unique_ptr<Value> parseMessage(const std::string& message, bool binary);
+ProtocolMessage jsonToMessage(String message);
+ProtocolMessage binaryToMessage(std::vector<uint8_t> message);
+String fromUTF8(const uint8_t* data, size_t length);
+
 extern size_t kNotFound;
 }  // namespace StringUtil
+
+// A read-only sequence of uninterpreted bytes with reference-counted storage.
+// Though the templates for generating the protocol bindings reference
+// this type, js_protocol.pdl doesn't have a field of type 'binary', so
+// therefore it's unnecessary to provide an implementation here.
+class Binary {
+ public:
+  const uint8_t* data() const { UNREACHABLE(); }
+  size_t size() const { UNREACHABLE(); }
+  String toBase64() const { UNREACHABLE(); }
+  static Binary fromBase64(const String& base64, bool* success) {
+    UNREACHABLE();
+  }
+  static Binary fromSpan(const uint8_t* data, size_t size) { UNREACHABLE(); }
+};
+
 }  // namespace protocol
 }  // namespace inspector
 }  // namespace node