Replace is_reference_error bool argument with ParseErrorType enum

src/parser.h

 // Copyright 2012 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_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
@@ skipping 474 matching lines @@
   // type. Both arguments must be non-null (in the handle sense).
   Expression* NewThrowTypeError(const char* type, const AstRawString* arg,
                                 int pos);
 
   // Generic AST generator for throwing errors from compiled code.
   Expression* NewThrowError(
       const AstRawString* constructor, const char* type,
       const AstRawString* arg, int pos);
 
   // Reporting errors.
-  void ReportMessageAt(Scanner::Location source_location,
-                       const char* message,
+  void ReportMessageAt(Scanner::Location source_location, const char* message,
                        const char* arg = NULL,
-                       bool is_reference_error = false);
-  void ReportMessage(const char* message,
-                     const char* arg = NULL,
-                     bool is_reference_error = false);
-  void ReportMessage(const char* message,
-                     const AstRawString* arg,
-                     bool is_reference_error = false);
-  void ReportMessageAt(Scanner::Location source_location,
-                       const char* message,
+                       ParseErrorType error_type = kSyntaxError);
+  void ReportMessage(const char* message, const char* arg = NULL,
+                     ParseErrorType error_type = kSyntaxError);
+  void ReportMessage(const char* message, const AstRawString* arg,
+                     ParseErrorType error_type = kSyntaxError);
+  void ReportMessageAt(Scanner::Location source_location, const char* message,
                        const AstRawString* arg,
-                       bool is_reference_error = false);
+                       ParseErrorType error_type = kSyntaxError);
 
   // "null" return type creators.
   static const AstRawString* EmptyIdentifier() {
     return NULL;
   }
   static Expression* EmptyExpression() {
     return NULL;
   }
   static Expression* EmptyArrowParamList() { return NULL; }
   static Literal* EmptyLiteral() {
@@ skipping 327 matching lines @@
   ParseData* cached_parse_data_;
 
   bool parsing_lazy_arrow_parameters_;  // for lazily parsed arrow functions.
 
   // Pending errors.
   bool has_pending_error_;
   Scanner::Location pending_error_location_;
   const char* pending_error_message_;
   const AstRawString* pending_error_arg_;
   const char* pending_error_char_arg_;
-  bool pending_error_is_reference_error_;
+  ParseErrorType pending_error_type_;
 
   // Other information which will be stored in Parser and moved to Isolate after
   // parsing.
   int use_counts_[v8::Isolate::kUseCounterFeatureCount];
   int total_preparse_skipped_;
   HistogramTimer* pre_parse_timer_;
 
   bool parsing_on_main_thread_;
 };
 
@@ skipping 82 matching lines @@
 }
 
 
 Expression* ParserTraits::CloseTemplateLiteral(TemplateLiteralState* state,
                                                int start, Expression* tag) {
   return parser_->CloseTemplateLiteral(state, start, tag);
 }
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_