src: create strings in FIXED_ONE_BYTE_STRING as internalized

These string keys can generally be assumed to be long-lived.

Author: addaleax

src/util-inl.h

@@ -160,33 +160,34 @@ constexpr ContainerOfHelper<Inner, Outer> ContainerOf(Inner Outer::*field,
 
 inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
                                            const char* data,
-                                           int length) {
-  return v8::String::NewFromOneByte(isolate,
-                                    reinterpret_cast<const uint8_t*>(data),
-                                    v8::NewStringType::kNormal,
-                                    length).ToLocalChecked();
+                                           int length,
+                                           v8::NewStringType type) {
+  return v8::String::NewFromOneByte(
+             isolate, reinterpret_cast<const uint8_t*>(data), type, length)
+      .ToLocalChecked();
 }
 
 inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
                                            const signed char* data,
-                                           int length) {
-  return v8::String::NewFromOneByte(isolate,
-                                    reinterpret_cast<const uint8_t*>(data),
-                                    v8::NewStringType::kNormal,
-                                    length).ToLocalChecked();
+                                           int length,
+                                           v8::NewStringType type) {
+  return v8::String::NewFromOneByte(
+             isolate, reinterpret_cast<const uint8_t*>(data), type, length)
+      .ToLocalChecked();
 }
 
 inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
                                            const unsigned char* data,
-                                           int length) {
-  return v8::String::NewFromOneByte(
-             isolate, data, v8::NewStringType::kNormal, length)
+                                           int length,
+                                           v8::NewStringType type) {
+  return v8::String::NewFromOneByte(isolate, data, type, length)
       .ToLocalChecked();
 }
 
 inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
-                                           std::string_view str) {
-  return OneByteString(isolate, str.data(), str.size());
+                                           std::string_view str,
+                                           v8::NewStringType type) {
+  return OneByteString(isolate, str.data(), str.size(), type);
 }
 
 char ToLower(char c) {

src/util.h

@@ -331,29 +331,37 @@ class KVStore {
 };
 
 // Convenience wrapper around v8::String::NewFromOneByte().
-inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
-                                           const char* data,
-                                           int length = -1);
+inline v8::Local<v8::String> OneByteString(
+    v8::Isolate* isolate,
+    const char* data,
+    int length = -1,
+    v8::NewStringType type = v8::NewStringType::kNormal);
 
 // For the people that compile with -funsigned-char.
-inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
-                                           const signed char* data,
-                                           int length = -1);
+inline v8::Local<v8::String> OneByteString(
+    v8::Isolate* isolate,
+    const signed char* data,
+    int length = -1,
+    v8::NewStringType type = v8::NewStringType::kNormal);
 
-inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
-                                           const unsigned char* data,
-                                           int length = -1);
+inline v8::Local<v8::String> OneByteString(
+    v8::Isolate* isolate,
+    const unsigned char* data,
+    int length = -1,
+    v8::NewStringType type = v8::NewStringType::kNormal);
 
-inline v8::Local<v8::String> OneByteString(v8::Isolate* isolate,
-                                           std::string_view str);
+inline v8::Local<v8::String> OneByteString(
+    v8::Isolate* isolate,
+    std::string_view str,
+    v8::NewStringType type = v8::NewStringType::kNormal);
 
 // Used to be a macro, hence the uppercase name.
 template <std::size_t N>
   requires(N > 0)
 inline v8::Local<v8::String> FIXED_ONE_BYTE_STRING(v8::Isolate* isolate,
                                                    const char (&data)[N]) {
   CHECK_EQ(data[N - 1], '\0');
-  return OneByteString(isolate, data, N - 1);
+  return OneByteString(isolate, data, N - 1, v8::NewStringType::kInternalized);
 }
 
 // tolower() is locale-sensitive.  Use ToLower() instead.