[object] Add Script::IsUserJavaScript().

src/objects.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <memory>
 #include <sstream>
@@ skipping 13055 matching lines @@
 }
 
 bool Script::GetPositionInfo(Handle<Script> script, int position,
                              PositionInfo* info, OffsetFlag offset_flag) {
   // For wasm, we do not create an artificial line_ends array, but do the
   // translation directly.
   if (script->type() != Script::TYPE_WASM) InitLineEnds(script);
   return script->GetPositionInfo(position, info, offset_flag);
 }
 
+bool Script::IsUserJavaScript() { return type() == Script::TYPE_NORMAL; }
+
 namespace {
 bool GetPositionInfoSlow(const Script* script, int position,
                          Script::PositionInfo* info) {
   if (!script->source()->IsString()) return false;
   if (position < 0) position = 0;
 
   String* source_string = String::cast(script->source());
   int line = 0;
   int line_start = 0;
   int len = source_string->length();
@@ skipping 7175 matching lines @@
       // depend on this.
       return DICTIONARY_ELEMENTS;
     }
     DCHECK_LE(kind, LAST_ELEMENTS_KIND);
     return kind;
   }
 }
 
 }  // namespace internal
 }  // namespace v8