Update comments in core lib showing proper factory syntax.

runtime/vm/parser.h

 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "vm/ast.h"
@@ skipping 50 matching lines @@
   SequenceNode* node_sequence_;
   AstNode* instantiator_;
   Array& default_parameter_values_;
 
   DISALLOW_COPY_AND_ASSIGN(ParsedFunction);
 };
 
 
 class Parser : ValueObject {
  public:
-  static const int kErrorBuflen = 512;
-
   Parser(const Script& script, const Library& library);
   Parser(const Script& script,
          const Function& function,
          intptr_t token_index);
 
   // Parse the top level of a whole script file and register declared classes
   // and interfaces in the given library.
   static void ParseCompilationUnit(const Library& library,
                                    const Script& script);
 
   static void ParseFunction(ParsedFunction* parsed_function);
 
-  static void ReportMsg(const Script& script,
-                        intptr_t token_index,
-                        const char* msg_type,
-                        char* message,
-                        const char* format, va_list args);
+  // Format an error or warning message into the message_buffer.
+  // A null script means no source and a negative token_index means no position.
+  static void FormatMessage(const Script& script,
+                            intptr_t token_index,
+                            const char* message_header,
+                            char* message_buffer,
+                            intptr_t message_buffer_size,
+                            const char* format,
+                            va_list args);
 
  private:
   struct Block;
   class TryBlocks;
 
   // The function being parsed.
   const Function& current_function() const;
 
   // Note that a local function may be parsed multiple times. It is first parsed
   // when its outermost enclosing function is being parsed. It is then parsed
@@ skipping 335 matching lines @@
   Class& current_class_;
 
   // The current library (and thus class dictionary) used to resolve names.
   const Library& library_;
 
   // List of try blocks seen so far, this is used to generate inlined finally
   // code at all points in the try block where an exit from the block is
   // done using 'return', 'break' or 'continue' statements.
   TryBlocks* try_blocks_list_;
 
-  char error_msg_[kErrorBuflen];
-
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_