From d44ef86319abcc13d28d0119aa2832b418adae3d Mon Sep 17 00:00:00 2001
From: Oleg Korshul <Oleg.Korshul@onlyoffice.com>
Date: Thu, 11 Jan 2018 11:35:45 +0300
Subject: [PATCH] .

---
 Common/3dParty/v8/build.bat                |  12 ++-
 Common/3dParty/v8/v8.pri                   |   2 +-
 DesktopEditor/doctrenderer/nativecontrol.h | 104 +++++++++++++++++++++
 3 files changed, 112 insertions(+), 6 deletions(-)

diff --git a/Common/3dParty/v8/build.bat b/Common/3dParty/v8/build.bat
index 014fdd30f6..69ebb465eb 100644
--- a/Common/3dParty/v8/build.bat
+++ b/Common/3dParty/v8/build.bat
@@ -5,11 +5,13 @@ SET PATH=%SCRIPTPATH%depot_tools;%PATH%
 SET DEPOT_TOOLS_WIN_TOOLCHAIN=0
 SET GYP_MSVS_VERSION=2015
 
-cd v8
-call gn gen out.gn/win_64 --args="is_debug=false target_cpu=\"x64\" v8_target_cpu=\"x64\" v8_static_library=true is_component_build=false v8_use_snapshot=false is_clang=false"
-
-cd ../
 call powershell -File .\fix-static_crt.ps1
 cd v8
 
-call ninja -C out.gn/win_64
\ No newline at end of file
+call gn gen out.gn/win_64/release --args="is_debug=false target_cpu=\"x64\" v8_target_cpu=\"x64\" v8_static_library=true is_component_build=false v8_use_snapshot=false is_clang=false"
+call ninja -C out.gn/win_64/release
+
+call gn gen out.gn/win_64/debug --args="is_debug=true target_cpu=\"x64\" v8_target_cpu=\"x64\" v8_static_library=true is_component_build=false v8_use_snapshot=false is_clang=false"
+call ninja -C out.gn/win_64/debug
+
+rem v8_use_snapshot=true v8_use_external_startup_data=true
\ No newline at end of file
diff --git a/Common/3dParty/v8/v8.pri b/Common/3dParty/v8/v8.pri
index 1bbd5edba7..0ae7fc1589 100644
--- a/Common/3dParty/v8/v8.pri
+++ b/Common/3dParty/v8/v8.pri
@@ -6,7 +6,7 @@ INCLUDEPATH += \
     $$CORE_V8_PATH_INCLUDE/include
 
 core_windows {
-    #CORE_V8_PATH_LIBS = $$CORE_V8_PATH_INCLUDE/out.gn/$$CORE_BUILDS_PLATFORM_PREFIX_$$CORE_BUILDS_CONFIGURATION_PREFIX/obj
+    CORE_V8_PATH_LIBS = $$CORE_V8_PATH_INCLUDE/out.gn/$$CORE_BUILDS_PLATFORM_PREFIX/$$CORE_BUILDS_CONFIGURATION_PREFIX/obj
 
     LIBS += -L$$CORE_V8_PATH_LIBS -lv8_base -lv8_libplatform -lv8_libbase -lv8_snapshot  -lv8_libsampler
     LIBS += -L$$CORE_V8_PATH_LIBS/third_party/icu -licui18n -licuuc
diff --git a/DesktopEditor/doctrenderer/nativecontrol.h b/DesktopEditor/doctrenderer/nativecontrol.h
index 82a1b47c7f..fc97a71ce6 100644
--- a/DesktopEditor/doctrenderer/nativecontrol.h
+++ b/DesktopEditor/doctrenderer/nativecontrol.h
@@ -1036,6 +1036,110 @@ public:
 #define LOGGER_SPEED_LAP(__logger_param)
 #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
+
 //////////////////////////////////////////////////////////////////////////////
 class CV8Initializer
 {