Expose set_source service command for functions

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 "platform/assert.h"
@@ skipping 203 matching lines @@
 
   // 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);
 
   // Build a function containing the initializer expression of the
   // given static field.
   static ParsedFunction* ParseStaticFieldInitializer(const Field& field);
 
+  // Returns a RawFunction or RawError.
+  static RawObject* ParseFunctionFromSource(const Class& owning_class,
+                                            const String& source);
+
   // Parse a function to retrieve parameter information that is not retained in
   // the dart::Function object. Returns either an error if the parse fails
   // (which could be the case for local functions), or a flat array of entries
   // for each parameter. Each parameter entry contains:
   // * a Dart bool indicating whether the parameter was declared final
   // * its default value (or null if none was declared)
   // * an array of metadata (or null if no metadata was declared).
   enum {
     kParameterIsFinalOffset,
     kParameterDefaultValueOffset,
@@ skipping 589 matching lines @@
   bool unregister_pending_function_;
 
   LocalScope* async_temp_scope_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_