Introduce IKG into kernel-service to support incremental compilation.

runtime/include/dart_api.h

Index: runtime/include/dart_api.h
diff --git a/runtime/include/dart_api.h b/runtime/include/dart_api.h
index e54a52d519adc1bbee5bd6edf539f23ff420e9b9..f0e532e0f53d46e7a61c07af4e596446d1aa50ed 100644
--- a/runtime/include/dart_api.h
+++ b/runtime/include/dart_api.h
@@ -3126,6 +3126,10 @@ DART_EXPORT Dart_KernelCompilationResult
 Dart_CompileSourcesToKernel(const char* script_uri,
                             int source_files_count,
                             Dart_SourceFile source_files[]);
+DART_EXPORT Dart_KernelCompilationResult
+Dart_IncrementallyCompileSourcesToKernel(const char* script_uri,
+                                         int source_files_count,
+                                         Dart_SourceFile source_files[]);

[siva, 2017/08/07 23:59:29]

Could we potentially merge the two API calls
Dart_CompileSourcesToKernel and Dart_IncrementallyCompileSourcesToKernel by
changing the signature
 
Dart_CompileSourcesToKernel(const char* script_uri, int source_files_count,
Dart_SourceFile source_files[], bool incremental_compile);

[aam, 2017/08/08 16:27:33]

Done.

 
 #define DART_KERNEL_ISOLATE_NAME "kernel-service"