DBC: Fail cleanly when attempting to create an AOT or JIT app snapshot.

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2013, 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.
 
 #include "include/dart_api.h"
 #include "include/dart_mirrors_api.h"
 #include "include/dart_native_api.h"
 
 #include "platform/assert.h"
 #include "lib/stacktrace.h"
@@ skipping 6218 matching lines @@
   return 0;
 }
 
 #else  // DART_PRECOMPILER
 
 DART_EXPORT Dart_Handle Dart_Precompile(
     Dart_QualifiedFunctionName entry_points[],
     bool reset_fields) {
 #if defined(TARGET_ARCH_IA32)
   return Api::NewError("Precompilation is not supported on IA32.");
+#elif defined(TARGET_ARCH_DBC)
+  return Api::NewError("Precompilation is not supported on DBC.");
 #else
   API_TIMELINE_BEGIN_END;
   DARTSCOPE(Thread::Current());
   if (!FLAG_precompiled_mode) {
     return Api::NewError("Flag --precompilation was not specified.");
   }
   Dart_Handle result = Api::CheckAndFinalizePendingClasses(T);
   if (::Dart_IsError(result)) {
     return result;
   }
   CHECK_CALLBACK_STATE(T);
   const Error& error = Error::Handle(Precompiler::CompileAll(entry_points,
                                                              reset_fields));
   if (!error.IsNull()) {
     return Api::NewHandle(T, error.raw());
   }
   return Api::Success();
 #endif
 }
 
 
 DART_EXPORT Dart_Handle Dart_CreatePrecompiledSnapshotAssembly(
     uint8_t** vm_isolate_snapshot_buffer,
     intptr_t* vm_isolate_snapshot_size,
     uint8_t** isolate_snapshot_buffer,
     intptr_t* isolate_snapshot_size,
     uint8_t** assembly_buffer,
     intptr_t* assembly_size) {
 #if defined(TARGET_ARCH_IA32)
-  return Api::NewError("Snapshots with code are not supported on IA32.");
+  return Api::NewError("Precompilation is not supported on IA32.");
+#elif defined(TARGET_ARCH_DBC)
+  return Api::NewError("Precompilation is not supported on DBC.");
 #else
   API_TIMELINE_DURATION;
   DARTSCOPE(Thread::Current());
   Isolate* I = T->isolate();
   if (I->compilation_allowed()) {
     return Api::NewError("Isolate is not precompiled. "
                          "Did you forget to call Dart_Precompile?");
   }
   ASSERT(FLAG_load_deferred_eagerly);
   if (vm_isolate_snapshot_buffer == NULL) {
@@ skipping 39 matching lines @@
 DART_EXPORT Dart_Handle Dart_CreatePrecompiledSnapshotBlob(
     uint8_t** vm_isolate_snapshot_buffer,
     intptr_t* vm_isolate_snapshot_size,
     uint8_t** isolate_snapshot_buffer,
     intptr_t* isolate_snapshot_size,
     uint8_t** instructions_blob_buffer,
     intptr_t* instructions_blob_size,
     uint8_t** rodata_blob_buffer,
     intptr_t* rodata_blob_size) {
 #if defined(TARGET_ARCH_IA32)
-  return Api::NewError("Snapshots with code are not supported on IA32.");
+  return Api::NewError("Precompilation is not supported on IA32.");
+#elif defined(TARGET_ARCH_DBC)
+  return Api::NewError("Precompilation is not supported on DBC.");
 #else
   API_TIMELINE_DURATION;
   DARTSCOPE(Thread::Current());
   Isolate* I = T->isolate();
   if (I->compilation_allowed()) {
     return Api::NewError("Isolate is not precompiled. "
                          "Did you forget to call Dart_Precompile?");
   }
   ASSERT(FLAG_load_deferred_eagerly);
   if (vm_isolate_snapshot_buffer == NULL) {
@@ skipping 81 matching lines @@
     uint8_t** vm_isolate_snapshot_buffer,
     intptr_t* vm_isolate_snapshot_size,
     uint8_t** isolate_snapshot_buffer,
     intptr_t* isolate_snapshot_size,
     uint8_t** instructions_blob_buffer,
     intptr_t* instructions_blob_size,
     uint8_t** rodata_blob_buffer,
     intptr_t* rodata_blob_size) {
 #if defined(TARGET_ARCH_IA32)
   return Api::NewError("Snapshots with code are not supported on IA32.");
+#elif defined(TARGET_ARCH_DBC)
+  return Api::NewError("Snapshots with code are not supported on DBC.");
 #else
   API_TIMELINE_DURATION;
   DARTSCOPE(Thread::Current());
   Isolate* I = T->isolate();
   if (!FLAG_load_deferred_eagerly) {
     return Api::NewError(
         "Creating full snapshots requires --load_deferred_eagerly");
   }
   if (vm_isolate_snapshot_buffer == NULL) {
     RETURN_NULL_ERROR(vm_isolate_snapshot_buffer);
@@ skipping 55 matching lines @@
 
 DART_EXPORT bool Dart_IsPrecompiledRuntime() {
 #if defined(DART_PRECOMPILED_RUNTIME)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace dart