Implement ES6 Template Literals

src/ast-value-factory.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 253 matching lines @@
   // the AstRawString will not be moved).
   AstConsString* new_string = new (zone_) AstConsString(left, right);
   strings_.Add(new_string);
   if (isolate_) {
     new_string->Internalize(isolate_);
   }
   return new_string;
 }
 
 
+const AstTemplateSpan* AstValueFactory::NewTemplateSpan(
+    const AstString* value, const AstString* rawValue) {
+  AstTemplateSpan* new_span = new (zone_) AstTemplateSpan(value, rawValue);
+  return new_span;
+}
+
+
 void AstValueFactory::Internalize(Isolate* isolate) {
   if (isolate_) {
     // Everything is already internalized.
     return;
   }
   // Strings need to be internalized before values, because values refer to
   // strings.
   for (int i = 0; i < strings_.length(); ++i) {
     strings_[i]->Internalize(isolate);
   }
@@ skipping 114 matching lines @@
     if (isolate_) {
       new_string->Internalize(isolate_);
     }
     entry->value = reinterpret_cast<void*>(1);
   }
   return reinterpret_cast<AstRawString*>(entry->key);
 }
 
 
 } }  // namespace v8::internal