Migrate error messages, part 11.

src/json-parser.h

 // Copyright 2011 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.
 
 #ifndef V8_JSON_PARSER_H_
 #define V8_JSON_PARSER_H_
 
 #include "src/v8.h"
 
 #include "src/char-predicates-inl.h"
@@ skipping 195 matching lines @@
 template <bool seq_one_byte>
 MaybeHandle<Object> JsonParser<seq_one_byte>::ParseJson() {
   // Advance to the first character (possibly EOS)
   AdvanceSkipWhitespace();
   Handle<Object> result = ParseJsonValue();
   if (result.is_null() || c0_ != kEndOfString) {
     // Some exception (for example stack overflow) is already pending.
     if (isolate_->has_pending_exception()) return Handle<Object>::null();
 
     // Parse failed. Current character is the unexpected token.
-    const char* message;
     Factory* factory = this->factory();
-    Handle<JSArray> array;
+    MessageTemplate::Template message;
+    Handle<String> argument;
 
     switch (c0_) {
       case kEndOfString:
-        message = "unexpected_eos";
-        array = factory->NewJSArray(0);
+        message = MessageTemplate::kUnexpectedEOS;
         break;
       case '-':
       case '0':
       case '1':
       case '2':
       case '3':
       case '4':
       case '5':
       case '6':
       case '7':
       case '8':
       case '9':
-        message = "unexpected_token_number";
-        array = factory->NewJSArray(0);
+        message = MessageTemplate::kUnexpectedTokenNumber;
         break;
       case '"':
-        message = "unexpected_token_string";
-        array = factory->NewJSArray(0);
+        message = MessageTemplate::kUnexpectedTokenString;
         break;
       default:
-        message = "unexpected_token";
-        Handle<Object> name = factory->LookupSingleCharacterStringFromCode(c0_);
-        Handle<FixedArray> element = factory->NewFixedArray(1);
-        element->set(0, *name);
-        array = factory->NewJSArrayWithElements(element);
+        message = MessageTemplate::kUnexpectedToken;
+        argument = factory->LookupSingleCharacterStringFromCode(c0_);
         break;
     }
 
     MessageLocation location(factory->NewScript(source_),
                              position_,
                              position_ + 1);
-    Handle<Object> error = factory->NewSyntaxError(message, array);
+    Handle<Object> error = factory->NewSyntaxError(message, argument);
     return isolate()->template Throw<Object>(error, &location);
   }
   return result;
 }
 
 
 // Parse any JSON value.
 template <bool seq_one_byte>
 Handle<Object> JsonParser<seq_one_byte>::ParseJsonValue() {
   StackLimitCheck stack_check(isolate_);
@@ skipping 574 matching lines @@
 
   DCHECK_EQ('"', c0_);
   // Advance past the last '"'.
   AdvanceSkipWhitespace();
   return result;
 }
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSON_PARSER_H_