mirror of
https://github.com/nodejs/node.git
synced 2024-12-01 16:10:02 +01:00
02f9a0fe27
DiagnosticFilename's constructor default values use inlines from env-inl.h, causing the many users of node_internals.h to include env-inl.h, even if they never use DiagnosticFilename. PR-URL: https://github.com/nodejs/node/pull/27839 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
#include "snapshot_builder.h"
|
|
#include <iostream>
|
|
#include <sstream>
|
|
#include "node_internals.h"
|
|
#include "node_main_instance.h"
|
|
#include "node_v8_platform-inl.h"
|
|
|
|
namespace node {
|
|
|
|
using v8::Context;
|
|
using v8::HandleScope;
|
|
using v8::Isolate;
|
|
using v8::Local;
|
|
using v8::Locker;
|
|
using v8::SnapshotCreator;
|
|
using v8::StartupData;
|
|
|
|
template <typename T>
|
|
void WriteVector(std::stringstream* ss, const T* vec, size_t size) {
|
|
for (size_t i = 0; i < size; i++) {
|
|
*ss << std::to_string(vec[i]) << (i == size - 1 ? '\n' : ',');
|
|
}
|
|
}
|
|
|
|
std::string FormatBlob(v8::StartupData* blob,
|
|
const std::vector<size_t>& isolate_data_indexes) {
|
|
std::stringstream ss;
|
|
|
|
ss << R"(#include <cstddef>
|
|
#include "node_main_instance.h"
|
|
#include "v8.h"
|
|
|
|
// This file is generated by tools/snapshot. Do not edit.
|
|
|
|
namespace node {
|
|
|
|
static const char blob_data[] = {
|
|
)";
|
|
WriteVector(&ss, blob->data, blob->raw_size);
|
|
ss << R"(};
|
|
|
|
static const int blob_size = )"
|
|
<< blob->raw_size << R"(;
|
|
static v8::StartupData blob = { blob_data, blob_size };
|
|
)";
|
|
|
|
ss << R"(v8::StartupData* NodeMainInstance::GetEmbeddedSnapshotBlob() {
|
|
return &blob;
|
|
}
|
|
|
|
static const std::vector<size_t> isolate_data_indexes {
|
|
)";
|
|
WriteVector(&ss, isolate_data_indexes.data(), isolate_data_indexes.size());
|
|
ss << R"(};
|
|
|
|
const std::vector<size_t>* NodeMainInstance::GetIsolateDataIndexes() {
|
|
return &isolate_data_indexes;
|
|
}
|
|
} // namespace node
|
|
)";
|
|
|
|
return ss.str();
|
|
}
|
|
|
|
std::string SnapshotBuilder::Generate(
|
|
const std::vector<std::string> args,
|
|
const std::vector<std::string> exec_args) {
|
|
// TODO(joyeecheung): collect external references and set it in
|
|
// params.external_references.
|
|
std::vector<intptr_t> external_references = {
|
|
reinterpret_cast<intptr_t>(nullptr)};
|
|
Isolate* isolate = Isolate::Allocate();
|
|
per_process::v8_platform.Platform()->RegisterIsolate(isolate,
|
|
uv_default_loop());
|
|
NodeMainInstance* main_instance = nullptr;
|
|
std::string result;
|
|
|
|
{
|
|
std::vector<size_t> isolate_data_indexes;
|
|
SnapshotCreator creator(isolate, external_references.data());
|
|
{
|
|
main_instance =
|
|
NodeMainInstance::Create(isolate,
|
|
uv_default_loop(),
|
|
per_process::v8_platform.Platform(),
|
|
args,
|
|
exec_args);
|
|
HandleScope scope(isolate);
|
|
creator.SetDefaultContext(Context::New(isolate));
|
|
isolate_data_indexes = main_instance->isolate_data()->Serialize(&creator);
|
|
|
|
size_t index = creator.AddContext(NewContext(isolate));
|
|
CHECK_EQ(index, NodeMainInstance::kNodeContextIndex);
|
|
}
|
|
|
|
// Must be out of HandleScope
|
|
StartupData blob =
|
|
creator.CreateBlob(SnapshotCreator::FunctionCodeHandling::kClear);
|
|
// Must be done while the snapshot creator isolate is entered i.e. the
|
|
// creator is still alive.
|
|
main_instance->Dispose();
|
|
result = FormatBlob(&blob, isolate_data_indexes);
|
|
delete blob.data;
|
|
}
|
|
|
|
per_process::v8_platform.Platform()->UnregisterIsolate(isolate);
|
|
return result;
|
|
}
|
|
} // namespace node
|