Add depot_tools and v8

.gitignore

@@ -1,2 +1,4 @@
 /target
 **/*.rs.bk
+/goog/.cipd/
+/goog/.gclient_entries

.gitmodules

@@ -0,0 +1,6 @@
+[submodule "depot_tools"]
+	path = goog/depot_tools
+	url = https://chromium.googlesource.com/chromium/tools/depot_tools
+[submodule "v8"]
+	path = goog/v8
+	url = https://chromium.googlesource.com/v8/v8

build.rs

@@ -7,4 +7,11 @@ fn main() {
     .debug(true)
     .file("src/lib.cpp")
     .compile("v8-bindings");
+
+  println!("cargo:rustc-link-lib=static=v8_monolith");
+  println!("cargo:rustc-link-search=goog/v8/out/x64.release/obj");
+
+  if cfg!(target_os = "windows") {
+    println!("cargo:rustc-link-lib=dylib=winmm");
+  }
 }

env.bat

@@ -0,0 +1,3 @@
+set DEPOT_TOOLS_WIN_TOOLCHAIN=0
+set PATH=%~dp0\goog\depot_tools;%PATH%
+set RUSTFLAGS=-C target-feature=+crt-static -C linker=%~dp0goog\v8\third_party\llvm-build\Release+Asserts\bin\lld-link.exe

goog/.gclient

@@ -0,0 +1,10 @@
+solutions = [
+  { "name"        : "v8",
+    "url"         : "https://chromium.googlesource.com/v8/v8",
+    "deps_file"   : "DEPS",
+    "managed"     : True,
+    "custom_deps" : {
+    },
+    "custom_vars": {},
+  },
+]

goog/args.gn

@@ -0,0 +1,15 @@
+# Copy this file to v8/out/release.x64
+
+is_component_build = false
+is_debug = false
+target_cpu = "x64"
+treat_warnings_as_errors = false
+use_custom_libcxx = false
+use_jumbo_build = true
+v8_enable_backtrace = true
+v8_enable_disassembler = true
+v8_enable_i18n_support = false
+v8_enable_object_print = true
+v8_enable_verify_heap = true
+v8_monolithic = true
+v8_use_external_startup_data = false

goog/depot_tools

@@ -0,0 +1 @@
+Subproject commit acf922ce48cfd1ecf88582d9dbecf14e8d1fe369

goog/v8

@@ -0,0 +1 @@
+Subproject commit df131dbeccb600d8c4b1f4db015248e47796f14d

src/lib.cpp

@@ -6,7 +6,7 @@
 #include <type_traits>
 #include <utility>
 
-#include "../v8/include/v8-inspector.h"
+#include "../goog/v8/include/v8-inspector.h"
 namespace v8_inspector {
 using Channel = V8Inspector::Channel;
 }
@@ -14,5 +14,11 @@ using Channel = V8Inspector::Channel;
 template <class T>
 using uninit_t = typename std::aligned_storage<sizeof(T), alignof(T)>::type;
 
+// In C++17, this should be backed by std::launder().
+template <class T>
+auto launder(T ptr) {
+  return ptr;
+}
+
 #include "v8_inspector/channel.h"
 #include "v8_inspector/string_buffer.h"

src/v8_inspector/channel.h

@@ -15,7 +15,8 @@ void v8_inspector__Channel__EXTENDER__flushProtocolNotifications(Channel& self);
 namespace v8_inspector {
 struct Channel__EXTENDER : public Channel {
   using Channel::Channel;
-  static_assert(sizeof(std::unique_ptr<StringBuffer>) == sizeof(StringBuffer*));
+  static_assert(sizeof(std::unique_ptr<StringBuffer>) == sizeof(StringBuffer*),
+                "sizeof(T*) != sizeof(unique_ptr<T>)");
 
   void sendResponse(int callId,
                     std::unique_ptr<StringBuffer> message) override {
@@ -35,7 +36,7 @@ extern "C" {
 using namespace v8_inspector;
 
 void v8_inspector__Channel__EXTENDER__CTOR(uninit_t<Channel__EXTENDER>& buf) {
-  new (std::launder(&buf)) Channel__EXTENDER();
+  new (launder(&buf)) Channel__EXTENDER();
 }
 void v8_inspector__Channel__DTOR(Channel& self) {
   self.~Channel();

v8

@@ -1 +0,0 @@
-d:/deno2/third_party/v8