src: use String::Write{OneByte,Utf8} with isolate

PR-URL: #22531
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Daniel Bevenius <daniel.bevenius@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>

benchmark/napi/function_args/binding.cc

@@ -21,7 +21,7 @@ void CallWithString(const FunctionCallbackInfo<Value>& args) {
     Local<String> str = args[0].As<String>();
     const int32_t length = str->Utf8Length() + 1;
     char* buf = new char[length];
-    str->WriteUtf8(buf, length);
+    str->WriteUtf8(args.GetIsolate(), buf, length);
     delete [] buf;
   }
 }

src/node_api.cc

@@ -2362,9 +2362,12 @@ napi_status napi_get_value_string_latin1(napi_env env,
     CHECK_ARG(env, result);
     *result = val.As<v8::String>()->Length();
   } else {
-    int copied = val.As<v8::String>()->WriteOneByte(
-      reinterpret_cast<uint8_t*>(buf), 0, bufsize - 1,
-      v8::String::NO_NULL_TERMINATION);
+    int copied =
+        val.As<v8::String>()->WriteOneByte(env->isolate,
+                                           reinterpret_cast<uint8_t*>(buf),
+                                           0,
+                                           bufsize - 1,
+                                           v8::String::NO_NULL_TERMINATION);
 
     buf[copied] = '\0';
     if (result != nullptr) {
@@ -2399,8 +2402,11 @@ napi_status napi_get_value_string_utf8(napi_env env,
     *result = val.As<v8::String>()->Utf8Length();
   } else {
     int copied = val.As<v8::String>()->WriteUtf8(
-      buf, bufsize - 1, nullptr, v8::String::REPLACE_INVALID_UTF8 |
-      v8::String::NO_NULL_TERMINATION);
+        env->isolate,
+        buf,
+        bufsize - 1,
+        nullptr,
+        v8::String::REPLACE_INVALID_UTF8 | v8::String::NO_NULL_TERMINATION);
 
     buf[copied] = '\0';
     if (result != nullptr) {
@@ -2435,9 +2441,11 @@ napi_status napi_get_value_string_utf16(napi_env env,
     // V8 assumes UTF-16 length is the same as the number of characters.
     *result = val.As<v8::String>()->Length();
   } else {
-    int copied = val.As<v8::String>()->Write(
-      reinterpret_cast<uint16_t*>(buf), 0, bufsize - 1,
-      v8::String::NO_NULL_TERMINATION);
+    int copied = val.As<v8::String>()->Write(env->isolate,
+                                             reinterpret_cast<uint16_t*>(buf),
+                                             0,
+                                             bufsize - 1,
+                                             v8::String::NO_NULL_TERMINATION);
 
     buf[copied] = '\0';
     if (result != nullptr) {

src/node_buffer.cc

@@ -806,15 +806,16 @@ int64_t IndexOfOffset(size_t length,
 }
 
 void IndexOfString(const FunctionCallbackInfo<Value>& args) {
+  Environment* env = Environment::GetCurrent(args);
+  Isolate* isolate = env->isolate();
+
   CHECK(args[1]->IsString());
   CHECK(args[2]->IsNumber());
   CHECK(args[4]->IsBoolean());
 
-  enum encoding enc = ParseEncoding(args.GetIsolate(),
-                                    args[3],
-                                    UTF8);
+  enum encoding enc = ParseEncoding(isolate, args[3], UTF8);
 
-  THROW_AND_RETURN_UNLESS_BUFFER(Environment::GetCurrent(args), args[0]);
+  THROW_AND_RETURN_UNLESS_BUFFER(env, args[0]);
   SPREAD_BUFFER_ARG(args[0], ts_obj);
 
   Local<String> needle = args[1].As<String>();
@@ -826,8 +827,7 @@ void IndexOfString(const FunctionCallbackInfo<Value>& args) {
   const size_t haystack_length = (enc == UCS2) ?
       ts_obj_length &~ 1 : ts_obj_length;  // NOLINT(whitespace/operators)
 
-  const size_t needle_length =
-      StringBytes::Size(args.GetIsolate(), needle, enc);
+  const size_t needle_length = StringBytes::Size(isolate, needle, enc);
 
   int64_t opt_offset = IndexOfOffset(haystack_length,
                                      offset_i64,
@@ -857,7 +857,7 @@ void IndexOfString(const FunctionCallbackInfo<Value>& args) {
   size_t result = haystack_length;
 
   if (enc == UCS2) {
-    String::Value needle_value(args.GetIsolate(), needle);
+    String::Value needle_value(isolate, needle);
     if (*needle_value == nullptr)
       return args.GetReturnValue().Set(-1);
 
@@ -867,7 +867,7 @@ void IndexOfString(const FunctionCallbackInfo<Value>& args) {
 
     if (IsBigEndian()) {
       StringBytes::InlineDecoder decoder;
-      decoder.Decode(Environment::GetCurrent(args), needle, args[3], UCS2);
+      decoder.Decode(env, needle, args[3], UCS2);
       const uint16_t* decoded_string =
           reinterpret_cast<const uint16_t*>(decoder.out());
 
@@ -890,7 +890,7 @@ void IndexOfString(const FunctionCallbackInfo<Value>& args) {
     }
     result *= 2;
   } else if (enc == UTF8) {
-    String::Utf8Value needle_value(args.GetIsolate(), needle);
+    String::Utf8Value needle_value(isolate, needle);
     if (*needle_value == nullptr)
       return args.GetReturnValue().Set(-1);
 
@@ -906,7 +906,7 @@ void IndexOfString(const FunctionCallbackInfo<Value>& args) {
       return args.GetReturnValue().Set(-1);
     }
     needle->WriteOneByte(
-        needle_data, 0, needle_length, String::NO_NULL_TERMINATION);
+        isolate, needle_data, 0, needle_length, String::NO_NULL_TERMINATION);
 
     result = SearchString(reinterpret_cast<const uint8_t*>(haystack),
                           haystack_length,
@@ -1057,18 +1057,20 @@ void Swap64(const FunctionCallbackInfo<Value>& args) {
 // Used in TextEncoder.prototype.encode.
 static void EncodeUtf8String(const FunctionCallbackInfo<Value>& args) {
   Environment* env = Environment::GetCurrent(args);
+  Isolate* isolate = env->isolate();
   CHECK_GE(args.Length(), 1);
   CHECK(args[0]->IsString());
 
   Local<String> str = args[0].As<String>();
   size_t length = str->Utf8Length();
   char* data = node::UncheckedMalloc(length);
-  str->WriteUtf8(data,
-                 -1,   // We are certain that `data` is sufficiently large
+  str->WriteUtf8(isolate,
+                 data,
+                 -1,  // We are certain that `data` is sufficiently large
                  nullptr,
                  String::NO_NULL_TERMINATION | String::REPLACE_INVALID_UTF8);
-  auto array_buf = ArrayBuffer::New(env->isolate(), data, length,
-                                    ArrayBufferCreationMode::kInternalized);
+  auto array_buf = ArrayBuffer::New(
+      isolate, data, length, ArrayBufferCreationMode::kInternalized);
   auto array = Uint8Array::New(array_buf, 0, length);
   args.GetReturnValue().Set(array);
 }

src/node_http2.cc

@@ -381,10 +381,12 @@ Headers::Headers(Isolate* isolate,
   nghttp2_nv* const nva = reinterpret_cast<nghttp2_nv*>(start);
 
   CHECK_LE(header_contents + header_string_len, *buf_ + buf_.length());
-  CHECK_EQ(header_string.As<String>()
-              ->WriteOneByte(reinterpret_cast<uint8_t*>(header_contents),
-                             0, header_string_len,
-                             String::NO_NULL_TERMINATION),
+  CHECK_EQ(header_string.As<String>()->WriteOneByte(
+               isolate,
+               reinterpret_cast<uint8_t*>(header_contents),
+               0,
+               header_string_len,
+               String::NO_NULL_TERMINATION),
            header_string_len);
 
   size_t n = 0;
@@ -2633,8 +2635,8 @@ void Http2Session::AltSvc(const FunctionCallbackInfo<Value>& args) {
 
   MaybeStackBuffer<uint8_t> origin(origin_len);
   MaybeStackBuffer<uint8_t> value(value_len);
-  origin_str->WriteOneByte(*origin);
-  value_str->WriteOneByte(*value);
+  origin_str->WriteOneByte(env->isolate(), *origin);
+  value_str->WriteOneByte(env->isolate(), *value);
 
   session->AltSvc(id, *origin, origin_len, *value, value_len);
 }

src/string_bytes.cc

@@ -257,8 +257,8 @@ static size_t hex_decode(char* buf,
   return i;
 }
 
-
-size_t StringBytes::WriteUCS2(char* buf,
+size_t StringBytes::WriteUCS2(Isolate* isolate,
+                              char* buf,
                               size_t buflen,
                               Local<String> str,
                               int flags,
@@ -273,7 +273,7 @@ size_t StringBytes::WriteUCS2(char* buf,
   size_t nchars;
   size_t alignment = reinterpret_cast<uintptr_t>(dst) % sizeof(*dst);
   if (alignment == 0) {
-    nchars = str->Write(dst, 0, max_chars, flags);
+    nchars = str->Write(isolate, dst, 0, max_chars, flags);
     *chars_written = nchars;
     return nchars * sizeof(*dst);
   }
@@ -283,14 +283,15 @@ size_t StringBytes::WriteUCS2(char* buf,
   CHECK_EQ(reinterpret_cast<uintptr_t>(aligned_dst) % sizeof(*dst), 0);
 
   // Write all but the last char
-  nchars = str->Write(aligned_dst, 0, max_chars - 1, flags);
+  nchars = str->Write(isolate, aligned_dst, 0, max_chars - 1, flags);
 
   // Shift everything to unaligned-left
   memmove(dst, aligned_dst, nchars * sizeof(*dst));
 
   // One more char to be written
   uint16_t last;
-  if (nchars == max_chars - 1 && str->Write(&last, nchars, 1, flags) != 0) {
+  if (nchars == max_chars - 1 &&
+      str->Write(isolate, &last, nchars, 1, flags) != 0) {
     memcpy(buf + nchars * sizeof(*dst), &last, sizeof(last));
     nchars++;
   }
@@ -329,20 +330,20 @@ size_t StringBytes::Write(Isolate* isolate,
         memcpy(buf, ext->data(), nbytes);
       } else {
         uint8_t* const dst = reinterpret_cast<uint8_t*>(buf);
-        nbytes = str->WriteOneByte(dst, 0, buflen, flags);
+        nbytes = str->WriteOneByte(isolate, dst, 0, buflen, flags);
       }
       *chars_written = nbytes;
       break;
 
     case BUFFER:
     case UTF8:
-      nbytes = str->WriteUtf8(buf, buflen, chars_written, flags);
+      nbytes = str->WriteUtf8(isolate, buf, buflen, chars_written, flags);
       break;
 
     case UCS2: {
       size_t nchars;
 
-      nbytes = WriteUCS2(buf, buflen, str, flags, &nchars);
+      nbytes = WriteUCS2(isolate, buf, buflen, str, flags, &nchars);
       *chars_written = static_cast<int>(nchars);
 
       // Node's "ucs2" encoding wants LE character data stored in

src/string_bytes.h

@@ -112,7 +112,8 @@ class StringBytes {
                                           v8::Local<v8::Value>* error);
 
  private:
-  static size_t WriteUCS2(char* buf,
+  static size_t WriteUCS2(v8::Isolate* isolate,
+                          char* buf,
                           size_t buflen,
                           v8::Local<v8::String> str,
                           int flags,

src/util.cc

@@ -45,7 +45,8 @@ static void MakeUtf8String(Isolate* isolate,
   target->AllocateSufficientStorage(storage);
   const int flags =
       String::NO_NULL_TERMINATION | String::REPLACE_INVALID_UTF8;
-  const int length = string->WriteUtf8(target->out(), storage, 0, flags);
+  const int length =
+      string->WriteUtf8(isolate, target->out(), storage, 0, flags);
   target->SetLengthAndZeroTerminate(length);
 }
 
@@ -71,7 +72,7 @@ TwoByteValue::TwoByteValue(Isolate* isolate, Local<Value> value) {
   AllocateSufficientStorage(storage);
 
   const int flags = String::NO_NULL_TERMINATION;
-  const int length = string->Write(out(), 0, storage, flags);
+  const int length = string->Write(isolate, out(), 0, storage, flags);
   SetLengthAndZeroTerminate(length);
 }