Introduce IKG into kernel-service to support incremental compilation.

runtime/vm/unit_test.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 RUNTIME_VM_UNIT_TEST_H_
 #define RUNTIME_VM_UNIT_TEST_H_
 
 #include "include/dart_native_api.h"
 
 #include "platform/globals.h"
@@ skipping 271 matching lines @@
 #define CORELIB_TEST_URI "dart:test-lib"
 
 class TestCase : TestCaseBase {
  public:
   typedef void(RunEntry)();
 
   TestCase(RunEntry* run, const char* name) : TestCaseBase(name), run_(run) {}
 
   static char* CompileTestScriptWithDFE(const char* url,
                                         const char* source,
-                                        void** kernel_pgm);
+                                        void** kernel_pgm,
+                                        bool incrementally = false);
+  static char* CompileTestScriptWithDFE(const char* url,
+                                        int sourcefiles_count,
+                                        Dart_SourceFile sourcefiles[],
+                                        void** kernel_pgm,
+                                        bool incrementally = false);
   static Dart_Handle LoadTestScript(const char* script,
                                     Dart_NativeEntryResolver resolver,
                                     const char* lib_uri = USER_TEST_URI,
                                     bool finalize = true);
+  static Dart_Handle LoadTestScriptWithDFE(
+      int sourcefiles_count,
+      Dart_SourceFile sourcefiles[],
+      Dart_NativeEntryResolver resolver = NULL,
+      bool finalize = true,
+      bool incrementally = false);
   static Dart_Handle LoadCoreTestScript(const char* script,
                                         Dart_NativeEntryResolver resolver);
   static Dart_Handle lib();
   static const char* url();
   static Dart_Isolate CreateTestIsolateFromSnapshot(uint8_t* buffer,
                                                     const char* name = NULL) {
     return CreateIsolate(buffer, name);
   }
   static Dart_Isolate CreateTestIsolate(const char* name = NULL) {
     return CreateIsolate(bin::core_isolate_snapshot_data, name);
   }
   static Dart_Handle library_handler(Dart_LibraryTag tag,
                                      Dart_Handle library,
                                      Dart_Handle url);
   static char* BigintToHexValue(Dart_CObject* bigint);
 
   virtual void Run();
 
   // Sets |script| to be the source used at next reload.
   static void SetReloadTestScript(const char* script);
+  static void SetReloadTestKernel(const void* kernel);
+
   // Initiates the reload.
   static Dart_Handle TriggerReload();
   // Gets the result of a reload.
   static Dart_Handle GetReloadErrorOrRootLibrary();
 
   // Helper function which reloads the current isolate using |script|.
   static Dart_Handle ReloadTestScript(const char* script);
+  static Dart_Handle ReloadTestKernel(const void* kernel);
 
   static void AddTestLib(const char* url, const char* source);
   static const char* GetTestLib(const char* url);
 
  private:
   static Dart_Isolate CreateIsolate(const uint8_t* buffer, const char* name);
 
   RunEntry* const run_;
 };
 
@@ skipping 295 matching lines @@
   ~SetFlagScope() { *flag_ = original_value_; }
 
  private:
   T* flag_;
   T original_value_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_UNIT_TEST_H_