Implement ParameterMirror.{isFinal,hasDefaultValue,defaultValue}.

runtime/vm/parser.h

 // Copyright (c) 2012, 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 "lib/invocation_mirror.h"
@@ skipping 126 matching lines @@
   // Parse top level of a class and register all functions/fields.
   static void ParseClass(const Class& cls);
 
   static void ParseFunction(ParsedFunction* parsed_function);
 
   // Parse and evaluate the metadata expressions at token_pos in the
   // class namespace of class cls (which can be the implicit toplevel
   // class if the metadata is at the top-level).
   static RawObject* ParseMetadata(const Class& cls, intptr_t token_pos);
 
+  // Parse a function func and retrieve parameter information that can not be
+  // found in its function object. Returns either an error if the parser fails
+  // (which could be the case for local functions), or a flat array of the size
+  // (2*number_of_parameters). For each parameter i in this array, (2*i)
+  // contains a bool indicating whether the parameter has been final, and
+  // (2*i+1) contains an array of its default values (or null if it has no
+  // default values).
+  static RawObject* ParseFunctionParameters(const Function& func);
+
   // Format and print a message with source location.
   // A null script means no source and a negative token_pos means no position.
   static void PrintMessage(const Script& script,
                            intptr_t token_pos,
                            const char* message_header,
                            const char* format, ...) PRINTF_ATTRIBUTE(4, 5);
 
   // Build an error object containing a formatted error or warning message.
   // A null script means no source and a negative token_pos means no position.
   static RawError* FormatError(const Script& script,
@@ skipping 540 matching lines @@
   intptr_t last_used_try_index_;
 
   bool unregister_pending_function_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_