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Fix for snapshots

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This commit is contained in:
Oleg Korshul
2024-08-28 13:08:06 +03:00
parent 06ee659edc
commit 447e1f5ccc
3 changed files with 10 additions and 107 deletions
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102
DesktopEditor/doctrenderer/nativecontrol.h
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@ -1039,108 +1039,6 @@ public:
#endif
//////////////////////////////////////////////////////////////////////////////
#if 0
class CSnapshotScript
{
public:
bool m_bIsExist;
v8::StartupData m_oStartupData;
CSnapshotScript(const std::wstring& sDir = L"")
{
m_bIsExist = false;
m_oStartupData.data = NULL;
m_oStartupData.raw_size = 0;
std::wstring sFile = sDir + L"/heap_snapshot.bin";
if (NSFile::CFileBinary::Exists(sFile))
{
m_bIsExist = true;
NSFile::CFileBinary oFile;
oFile.OpenFile(sFile);
m_oStartupData.raw_size = (int)oFile.GetFileSize();
m_oStartupData.data = new char[m_oStartupData.raw_size];
DWORD dwRead = 0;
oFile.ReadFile((BYTE*)m_oStartupData.data, (DWORD)m_oStartupData.raw_size, dwRead);
oFile.CloseFile();
}
}
bool Generate(const std::string& sScript)
{
m_oStartupData = {NULL, 0};
{
v8::SnapshotCreator snapshot_creator;
// Obtain an isolate provided by SnapshotCreator.
v8::Isolate* isolate = snapshot_creator.GetIsolate();
{
v8::HandleScope scope(isolate);
// Create a new context and optionally run some script.
v8::Local<v8::Context> context = v8::Context::New(isolate);
//v8::Context::Scope context_scope(context);
if (!RunExtraCode(isolate, context, sScript.c_str(), "<embedded>"))
return false;
// Add the possibly customized context to the SnapshotCreator.
snapshot_creator.SetDefaultContext(context);
}
// Use the SnapshotCreator to create the snapshot blob.
m_oStartupData = snapshot_creator.CreateBlob(v8::SnapshotCreator::FunctionCodeHandling::kClear);
}
return true;
}
void Save(const std::wstring& sDir)
{
if (m_oStartupData.data == NULL)
return;
std::wstring sFile = sDir + L"/heap_snapshot.bin";
NSFile::CFileBinary oFile;
oFile.CreateFile(sFile);
oFile.WriteFile((BYTE*)m_oStartupData.data, (DWORD)m_oStartupData.raw_size);
oFile.CloseFile();
}
bool RunExtraCode(v8::Isolate* isolate, v8::Local<v8::Context> context, const char* utf8_source, const char* name)
{
// Run custom script if provided.
v8::TryCatch try_catch(isolate);
v8::Local<v8::String> source_string;
if (!v8::String::NewFromUtf8(isolate, utf8_source, v8::NewStringType::kNormal).ToLocal(&source_string))
return false;
v8::Local<v8::String> resource_name = v8::String::NewFromUtf8(isolate, name, v8::NewStringType::kNormal).ToLocalChecked();
v8::ScriptOrigin origin(resource_name);
v8::ScriptCompiler::Source source(source_string, origin);
v8::Local<v8::Script> script;
bool bRet = v8::ScriptCompiler::Compile(context, &source).ToLocal(&script);
if (try_catch.HasCaught())
{
std::string strCode = to_cstringA(try_catch.Message()->GetSourceLine());
std::string strException = to_cstringA(try_catch.Message()->Get());
return false;
}
script->Run();
if (try_catch.HasCaught())
{
std::string strCode = to_cstringA(try_catch.Message()->GetSourceLine());
std::string strException = to_cstringA(try_catch.Message()->Get());
return false;
}
return true;
}
};
#endif
bool Doct_renderer_SaveFile_ForBuilder(int nFormat, const std::wstring& strDstFile,
NSNativeControl::CNativeControl* pNative,