v8/src/startup-data-util.h
vogelheim 2ea8df76ba Fix cctest + unittest to work with an external snapshot.
To do so, extract startup_data_util from d8 and use it those executables.

BUG=

Review URL: https://codereview.chromium.org/913703002

Cr-Commit-Position: refs/heads/master@{#26547}
2015-02-10 15:38:09 +00:00

52 lines
1.7 KiB
C++

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef V8_STARTUP_DATA_UTIL_H_
#define V8_STARTUP_DATA_UTIL_H_
#include "include/v8.h"
namespace v8 {
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
// Helper class to load the startup data files from disk.
//
// This is meant as a convenience for stand-alone binaries like d8, cctest,
// unittest. A V8 embedder would likely either handle startup data on their
// own or just disable the feature if they don't want to handle it at all,
// while tools like cctest need to work in either configuration. Hence this is
// not meant for inclusion in the general v8 library.
class StartupDataHandler {
public:
// Load startup data, and call the v8::V8::Set*DataBlob API functions.
//
// natives_blob and snapshot_blob will be loaded realitive to exec_path,
// which would usually be the equivalent of argv[0].
StartupDataHandler(const char* exec_path, const char* natives_blob,
const char* snapshot_blob);
~StartupDataHandler();
private:
static char* RelativePath(char** buffer, const char* exec_path,
const char* name);
void LoadFromFiles(const char* natives_blob, const char* snapshot_blob);
void Load(const char* blob_file, v8::StartupData* startup_data,
void (*setter_fn)(v8::StartupData*));
v8::StartupData natives_;
v8::StartupData snapshot_;
// Disallow copy & assign.
StartupDataHandler(const StartupDataHandler& other);
void operator=(const StartupDataHandler& other);
};
#endif // V8_USE_EXTERNAL_STARTUP_DATA
} // namespace v8
#endif // V8_STARTUP_DATA_UTIL_H_