Adam Barth 0bc960761a Add MineDigger.apk that works offline
This CL builds an APK for MineDigger that works offline. We use |sky_packager|
to snapshot the Dart code, which we then extract from the APK during startup.
If we succeed in extracting a snapshot, we load it by default.

TBR=eseidel@chromium.org

Review URL: https://codereview.chromium.org/1211253004.
2015-06-26 23:18:13 -07:00

68 lines
1.8 KiB
C++

// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <iostream>
#include "base/at_exit.h"
#include "base/basictypes.h"
#include "base/command_line.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/process/memory.h"
#include "dart/runtime/include/dart_api.h"
#include "sky/tools/packager/loader.h"
#include "sky/tools/packager/logging.h"
#include "sky/tools/packager/scope.h"
#include "sky/tools/packager/switches.h"
#include "sky/tools/packager/vm.h"
void Usage() {
std::cerr << "Usage: sky_packager"
<< " --" << switches::kPackageRoot << " --" << switches::kSnapshot
<< " <sky-app>" << std::endl;
}
void WriteSnapshot(base::FilePath path) {
uint8_t* buffer;
intptr_t size;
CHECK(!LogIfError(Dart_CreateScriptSnapshot(&buffer, &size)));
CHECK_EQ(base::WriteFile(path, reinterpret_cast<const char*>(buffer), size),
size);
}
int main(int argc, const char* argv[]) {
base::AtExitManager exit_manager;
base::EnableTerminationOnHeapCorruption();
base::CommandLine::Init(argc, argv);
const base::CommandLine& command_line =
*base::CommandLine::ForCurrentProcess();
if (command_line.HasSwitch(switches::kHelp) ||
command_line.GetArgs().empty()) {
Usage();
return 0;
}
InitDartVM();
Dart_Isolate isolate = CreateDartIsolate();
CHECK(isolate);
DartIsolateScope scope(isolate);
DartApiScope api_scope;
auto args = command_line.GetArgs();
CHECK(args.size() == 1);
LoadScript(args[0]);
CHECK(!LogIfError(Dart_FinalizeLoading(true)));
CHECK(command_line.HasSwitch(switches::kSnapshot)) << "Need --snapshot";
WriteSnapshot(command_line.GetSwitchValuePath(switches::kSnapshot));
return 0;
}