FBcount/Nodejs/node_modules/pkg-fetch/patches/node.v6.17.1.cpp.patch

--- node/deps/v8/include/v8.h
+++ node/deps/v8/include/v8.h
@@ -6429,10 +6429,14 @@
    */
   static void SetFlagsFromCommandLine(int* argc,
                                       char** argv,
                                       bool remove_flags);
 
+  static void EnableCompilationForSourcelessUse();
+  static void DisableCompilationForSourcelessUse();
+  static void FixSourcelessScript(Isolate* v8_isolate, Local<UnboundScript> script);
+
   /** Get the version string. */
   static const char* GetVersion();
 
   /** Callback function for reporting failed access checks.*/
   V8_INLINE static V8_DEPRECATED(
--- node/deps/v8/src/api.cc
+++ node/deps/v8/src/api.cc
@@ -547,10 +547,46 @@
 void V8::SetFlagsFromCommandLine(int* argc, char** argv, bool remove_flags) {
   i::FlagList::SetFlagsFromCommandLine(argc, argv, remove_flags);
 }
 
 
+bool save_lazy;
+bool save_predictable;
+bool save_serialize_toplevel;
+
+
+void V8::EnableCompilationForSourcelessUse() {
+  save_lazy = i::FLAG_lazy;
+  i::FLAG_lazy = false;
+  save_predictable = i::FLAG_predictable;
+  i::FLAG_predictable = true;
+  save_serialize_toplevel = i::FLAG_serialize_toplevel;
+  i::FLAG_serialize_toplevel = true;
+  i::CpuFeatures::Reinitialize();
+  i::CpuFeatures::Probe(true);
+}
+
+
+void V8::DisableCompilationForSourcelessUse() {
+  i::FLAG_lazy = save_lazy;
+  i::FLAG_predictable = save_predictable;
+  i::FLAG_serialize_toplevel = save_serialize_toplevel;
+  i::CpuFeatures::Reinitialize();
+  i::CpuFeatures::Probe(false);
+}
+
+
+void V8::FixSourcelessScript(Isolate* v8_isolate, Local<UnboundScript> script) {
+  auto isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
+  auto object = i::Handle<i::HeapObject>::cast(Utils::OpenHandle(*script));
+  i::Handle<i::SharedFunctionInfo> function_info(
+    i::SharedFunctionInfo::cast(*object), object->GetIsolate());
+  auto s = reinterpret_cast<i::Script*>(function_info->script());
+  s->set_source(isolate->heap()->undefined_value());
+}
+
+
 RegisteredExtension* RegisteredExtension::first_extension_ = NULL;
 
 
 RegisteredExtension::RegisteredExtension(Extension* extension)
     : extension_(extension) { }
--- node/deps/v8/src/assembler.h
+++ node/deps/v8/src/assembler.h
@@ -235,10 +235,15 @@
   }
 
   static void PrintTarget();
   static void PrintFeatures();
 
+  static void Reinitialize() {
+    supported_ = 0;
+    initialized_ = false;
+  }
+
  private:
   friend class ExternalReference;
   friend class AssemblerBase;
   // Flush instruction cache.
   static void FlushICache(void* start, size_t size);
--- node/deps/v8/src/objects.cc
+++ node/deps/v8/src/objects.cc
@@ -13396,10 +13396,13 @@
 
   // Check if we should print {function} as a class.
   Handle<Object> class_start_position = JSReceiver::GetDataProperty(
       function, isolate->factory()->class_start_position_symbol());
   if (class_start_position->IsSmi()) {
+    if (Script::cast(shared_info->script())->source()->IsUndefined()) {
+      return isolate->factory()->NewStringFromAsciiChecked("class {}");
+    }
     Handle<Object> class_end_position = JSReceiver::GetDataProperty(
         function, isolate->factory()->class_end_position_symbol());
     Handle<String> script_source(
         String::cast(Script::cast(shared_info->script())->source()), isolate);
     return isolate->factory()->NewSubString(
--- node/deps/v8/src/parsing/parser.cc
+++ node/deps/v8/src/parsing/parser.cc
@@ -5057,10 +5057,11 @@
   return false;
 }
 
 
 bool Parser::Parse(ParseInfo* info) {
+  if (info->script()->source()->IsUndefined()) return false;
   DCHECK(info->literal() == NULL);
   FunctionLiteral* result = NULL;
   // Ok to use Isolate here; this function is only called in the main thread.
   DCHECK(parsing_on_main_thread_);
   Isolate* isolate = info->isolate();
--- node/deps/v8/src/snapshot/code-serializer.cc
+++ node/deps/v8/src/snapshot/code-serializer.cc
@@ -342,24 +342,36 @@
 }
 
 SerializedCodeData::SanityCheckResult SerializedCodeData::SanityCheck(
     Isolate* isolate, String* source) const {
   uint32_t magic_number = GetMagicNumber();
-  if (magic_number != ComputeMagicNumber(isolate)) return MAGIC_NUMBER_MISMATCH;
+  if (magic_number != ComputeMagicNumber(isolate)) {
+    // base::OS::PrintError("Pkg: MAGIC_NUMBER_MISMATCH\n"); // TODO enable after solving v8-cache/ncc issue
+    return MAGIC_NUMBER_MISMATCH;
+  }
   uint32_t version_hash = GetHeaderValue(kVersionHashOffset);
-  uint32_t source_hash = GetHeaderValue(kSourceHashOffset);
   uint32_t cpu_features = GetHeaderValue(kCpuFeaturesOffset);
   uint32_t flags_hash = GetHeaderValue(kFlagHashOffset);
   uint32_t c1 = GetHeaderValue(kChecksum1Offset);
   uint32_t c2 = GetHeaderValue(kChecksum2Offset);
-  if (version_hash != Version::Hash()) return VERSION_MISMATCH;
-  if (source_hash != SourceHash(source)) return SOURCE_MISMATCH;
-  if (cpu_features != static_cast<uint32_t>(CpuFeatures::SupportedFeatures())) {
+  if (version_hash != Version::Hash()) {
+    base::OS::PrintError("Pkg: VERSION_MISMATCH\n");
+    return VERSION_MISMATCH;
+  }
+  uint32_t host_features = static_cast<uint32_t>(CpuFeatures::SupportedFeatures());
+  if (cpu_features & (~host_features)) {
+    base::OS::PrintError("Pkg: CPU_FEATURES_MISMATCH\n");
     return CPU_FEATURES_MISMATCH;
   }
-  if (flags_hash != FlagList::Hash()) return FLAGS_MISMATCH;
-  if (!Checksum(Payload()).Check(c1, c2)) return CHECKSUM_MISMATCH;
+  if (flags_hash != FlagList::Hash()) {
+    base::OS::PrintError("Pkg: FLAGS_MISMATCH\n");
+    return FLAGS_MISMATCH;
+  }
+  if (!Checksum(Payload()).Check(c1, c2)) {
+    base::OS::PrintError("Pkg: CHECKSUM_MISMATCH\n");
+    return CHECKSUM_MISMATCH;
+  }
   return CHECK_SUCCESS;
 }
 
 uint32_t SerializedCodeData::SourceHash(String* source) const {
   return source->length();
--- node/lib/child_process.js
+++ node/lib/child_process.js
@@ -54,11 +54,11 @@
   }
 
   options.execPath = options.execPath || process.execPath;
   options.shell = false;
 
-  return spawn(options.execPath, args, options);
+  return exports.spawn(options.execPath, args, options);
 };
 
 
 exports._forkChild = function(fd) {
   // set process.send()
--- node/lib/internal/bootstrap_node.js
+++ node/lib/internal/bootstrap_node.js
@@ -83,10 +83,46 @@
     // There are various modes that Node can run in. The most common two
     // are running from a script and running the REPL - but there are a few
     // others like the debugger or running --eval arguments. Here we decide
     // which mode we run in.
 
+    (function () {
+      var fs = NativeModule.require('fs');
+      var vm = NativeModule.require('vm');
+      function readPrelude (fd) {
+        var PAYLOAD_POSITION = '// PAYLOAD_POSITION //' | 0;
+        var PAYLOAD_SIZE = '// PAYLOAD_SIZE //' | 0;
+        var PRELUDE_POSITION = '// PRELUDE_POSITION //' | 0;
+        var PRELUDE_SIZE = '// PRELUDE_SIZE //' | 0;
+        if (!PRELUDE_POSITION) {
+          // no prelude - remove entrypoint from argv[1]
+          process.argv.splice(1, 1);
+          return { undoPatch: true };
+        }
+        var prelude = new Buffer(PRELUDE_SIZE);
+        var read = fs.readSync(fd, prelude, 0, PRELUDE_SIZE, PRELUDE_POSITION);
+        if (read !== PRELUDE_SIZE) {
+          console.error('Pkg: Error reading from file.');
+          process.exit(1);
+        }
+        var s = new vm.Script(prelude, { filename: 'pkg/prelude/bootstrap.js' });
+        var fn = s.runInThisContext();
+        return fn(process, NativeModule.require,
+          console, fd, PAYLOAD_POSITION, PAYLOAD_SIZE);
+      }
+      (function () {
+        var fd = fs.openSync(process.execPath, 'r');
+        var result = readPrelude(fd);
+        if (result && result.undoPatch) {
+          var bindingFs = process.binding('fs');
+          fs.internalModuleStat = bindingFs.internalModuleStat;
+          fs.internalModuleReadFile = bindingFs.internalModuleReadFile;
+          fs.closeSync(fd);
+        }
+      }());
+    }());
+
     if (NativeModule.exists('_third_party_main')) {
       // To allow people to extend Node in different ways, this hook allows
       // one to drop a file lib/_third_party_main.js into the build
       // directory which will be executed instead of Node's normal loading.
       process.nextTick(function() {
--- node/lib/module.js
+++ node/lib/module.js
@@ -6,12 +6,12 @@
 const internalUtil = require('internal/util');
 const vm = require('vm');
 const assert = require('assert').ok;
 const fs = require('fs');
 const path = require('path');
-const internalModuleReadFile = process.binding('fs').internalModuleReadFile;
-const internalModuleStat = process.binding('fs').internalModuleStat;
+const internalModuleReadFile = function (f) { return require('fs').internalModuleReadFile(f); };
+const internalModuleStat = function (f) { return require('fs').internalModuleStat(f); };
 const preserveSymlinks = !!process.binding('config').preserveSymlinks;
 
 // If obj.hasOwnProperty has been overridden, then calling
 // obj.hasOwnProperty(prop) will break.
 // See: https://github.com/joyent/node/issues/1707
--- node/src/env.h
+++ node/src/env.h
@@ -192,10 +192,11 @@
   V(shell_string, "shell")                                                    \
   V(signal_string, "signal")                                                  \
   V(size_string, "size")                                                      \
   V(sni_context_err_string, "Invalid SNI context")                            \
   V(sni_context_string, "sni_context")                                        \
+  V(sourceless_string, "sourceless")                                          \
   V(speed_string, "speed")                                                    \
   V(stack_string, "stack")                                                    \
   V(status_string, "status")                                                  \
   V(stdio_string, "stdio")                                                    \
   V(subject_string, "subject")                                                \
--- node/src/node.cc
+++ node/src/node.cc
@@ -3621,10 +3621,11 @@
 
 
 static void PrintHelp();
 
 static bool ParseDebugOpt(const char* arg) {
+  return false;
   const char* port = nullptr;
 
   if (!strcmp(arg, "--debug")) {
     use_debug_agent = true;
   } else if (!strncmp(arg, "--debug=", sizeof("--debug=") - 1)) {
@@ -4435,15 +4436,10 @@
 }
 
 
 inline void PlatformInit() {
 #ifdef __POSIX__
-  sigset_t sigmask;
-  sigemptyset(&sigmask);
-  sigaddset(&sigmask, SIGUSR1);
-  const int err = pthread_sigmask(SIG_SETMASK, &sigmask, nullptr);
-
   // Make sure file descriptors 0-2 are valid before we start logging anything.
   for (int fd = STDIN_FILENO; fd <= STDERR_FILENO; fd += 1) {
     struct stat ignored;
     if (fstat(fd, &ignored) == 0)
       continue;
@@ -4453,12 +4449,10 @@
       ABORT();
     if (fd != open("/dev/null", O_RDWR))
       ABORT();
   }
 
-  CHECK_EQ(err, 0);
-
 #ifndef NODE_SHARED_MODE
   // Restore signal dispositions, the parent process may have changed them.
   struct sigaction act;
   memset(&act, 0, sizeof(act));
 
@@ -4637,14 +4631,10 @@
   // is to prevent memory pointers from being moved around that are returned by
   // Buffer::Data().
   const char no_typed_array_heap[] = "--typed_array_max_size_in_heap=0";
   V8::SetFlagsFromString(no_typed_array_heap, sizeof(no_typed_array_heap) - 1);
 
-  if (!use_debug_agent) {
-    RegisterDebugSignalHandler();
-  }
-
   // We should set node_is_initialized here instead of in node::Start,
   // otherwise embedders using node::Init to initialize everything will not be
   // able to set it and native modules will not load for them.
   node_is_initialized = true;
 }
--- node/src/node_contextify.cc
+++ node/src/node_contextify.cc
@@ -38,10 +38,11 @@
 using v8::ScriptOrigin;
 using v8::String;
 using v8::TryCatch;
 using v8::Uint8Array;
 using v8::UnboundScript;
+using v8::V8;
 using v8::Value;
 using v8::WeakCallbackInfo;
 
 
 class ContextifyContext {
@@ -499,17 +500,19 @@
     MaybeLocal<Integer> lineOffset = GetLineOffsetArg(env, options);
     MaybeLocal<Integer> columnOffset = GetColumnOffsetArg(env, options);
     Maybe<bool> maybe_display_errors = GetDisplayErrorsArg(env, options);
     MaybeLocal<Uint8Array> cached_data_buf = GetCachedData(env, options);
     Maybe<bool> maybe_produce_cached_data = GetProduceCachedData(env, options);
+    Maybe<bool> maybe_sourceless = GetSourceless(env, options);
     if (try_catch.HasCaught()) {
       try_catch.ReThrow();
       return;
     }
 
     bool display_errors = maybe_display_errors.FromJust();
     bool produce_cached_data = maybe_produce_cached_data.FromJust();
+    bool sourceless = maybe_sourceless.FromJust();
 
     ScriptCompiler::CachedData* cached_data = nullptr;
     if (!cached_data_buf.IsEmpty()) {
       Local<Uint8Array> ui8 = cached_data_buf.ToLocalChecked();
       ArrayBuffer::Contents contents = ui8->Buffer()->GetContents();
@@ -527,22 +530,37 @@
     if (source.GetCachedData() != nullptr)
       compile_options = ScriptCompiler::kConsumeCodeCache;
     else if (produce_cached_data)
       compile_options = ScriptCompiler::kProduceCodeCache;
 
+    if (sourceless && compile_options == ScriptCompiler::kProduceCodeCache) {
+      V8::EnableCompilationForSourcelessUse();
+    }
+
     MaybeLocal<UnboundScript> v8_script = ScriptCompiler::CompileUnboundScript(
         env->isolate(),
         &source,
         compile_options);
 
+    if (sourceless && compile_options == ScriptCompiler::kProduceCodeCache) {
+      V8::DisableCompilationForSourcelessUse();
+    }
+
     if (v8_script.IsEmpty()) {
       if (display_errors) {
         DecorateErrorStack(env, try_catch);
       }
       try_catch.ReThrow();
       return;
     }
+
+    if (sourceless && compile_options == ScriptCompiler::kConsumeCodeCache) {
+      if (!source.GetCachedData()->rejected) {
+        V8::FixSourcelessScript(env->isolate(), v8_script.ToLocalChecked());
+      }
+    }
+
     contextify_script->script_.Reset(env->isolate(),
                                      v8_script.ToLocalChecked());
 
     if (compile_options == ScriptCompiler::kConsumeCodeCache) {
       args.This()->Set(
@@ -836,10 +854,27 @@
     Local<Value> value = maybe_value.ToLocalChecked();
     return Just(value->IsTrue());
   }
 
 
+  static Maybe<bool> GetSourceless(Environment* env, Local<Value> options) {
+    if (!options->IsObject()) {
+      return Just(false);
+    }
+
+    MaybeLocal<Value> maybe_value =
+        options.As<Object>()->Get(env->context(),
+                                  env->sourceless_string());
+
+    if (maybe_value.IsEmpty())
+      return Nothing<bool>();
+
+    Local<Value> value = maybe_value.ToLocalChecked();
+    return Just(value->IsTrue());
+  }
+
+
   static MaybeLocal<Integer> GetLineOffsetArg(Environment* env,
                                               Local<Value> options) {
     Local<Integer> defaultLineOffset = Integer::New(env->isolate(), 0);
 
     if (!options->IsObject()) {
--- node/src/node_main.cc
+++ node/src/node_main.cc
@@ -1,7 +1,9 @@
 #include "node.h"
 
+int reorder(int argc, char** argv);
+
 #ifdef _WIN32
 #include <windows.h>
 #include <VersionHelpers.h>
 
 int wmain(int argc, wchar_t *wargv[]) {
@@ -44,17 +46,86 @@
       exit(1);
     }
   }
   argv[argc] = nullptr;
   // Now that conversion is done, we can finally start.
-  return node::Start(argc, argv);
+  return reorder(argc, argv);
 }
 #else
 // UNIX
+#include <stdlib.h>
+
 int main(int argc, char *argv[]) {
   // Disable stdio buffering, it interacts poorly with printf()
   // calls elsewhere in the program (e.g., any logging from V8.)
   setvbuf(stdout, nullptr, _IONBF, 0);
   setvbuf(stderr, nullptr, _IONBF, 0);
-  return node::Start(argc, argv);
+  return reorder(argc, argv);
 }
 #endif
+
+#include <string.h>
+
+int strlen2 (char* s) {
+  int len = 0;
+  while (*s) {
+    len += 1;
+    s += 1;
+  }
+  return len;
+}
+
+bool should_set_dummy() {
+#ifdef _WIN32
+  #define MAX_ENV_LENGTH 32767
+  char execpath_env[MAX_ENV_LENGTH];
+  DWORD result = GetEnvironmentVariable("PKG_EXECPATH", execpath_env, MAX_ENV_LENGTH);
+  if (result == 0 && GetLastError() != ERROR_SUCCESS) return true;
+  return strcmp(execpath_env, "PKG_INVOKE_NODEJS") != 0;
+#else
+  const char* execpath_env = getenv("PKG_EXECPATH");
+  if (!execpath_env) return true;
+  return strcmp(execpath_env, "PKG_INVOKE_NODEJS") != 0;
+#endif
+}
+
+// for uv_setup_args
+int adjacent(int argc, char** argv) {
+  size_t size = 0;
+  for (int i = 0; i < argc; i++) {
+    size += strlen(argv[i]) + 1;
+  }
+  char* args = new char[size];
+  size_t pos = 0;
+  for (int i = 0; i < argc; i++) {
+    memcpy(&args[pos], argv[i], strlen(argv[i]) + 1);
+    argv[i] = &args[pos];
+    pos += strlen(argv[i]) + 1;
+  }
+  return node::Start(argc, argv);
+}
+
+volatile char* BAKERY = (volatile char*) "\0// BAKERY // BAKERY " \
+  "// BAKERY // BAKERY // BAKERY // BAKERY // BAKERY // BAKERY " \
+  "// BAKERY // BAKERY // BAKERY // BAKERY // BAKERY // BAKERY " \
+  "// BAKERY // BAKERY // BAKERY // BAKERY // BAKERY // BAKERY ";
+
+int reorder(int argc, char** argv) {
+  int i;
+  char** nargv = new char*[argc + 64];
+  int c = 0;
+  nargv[c++] = argv[0];
+  char* bakery = (char*) BAKERY;
+  while (true) {
+    size_t width = strlen2(bakery);
+    if (width == 0) break;
+    nargv[c++] = bakery;
+    bakery += width + 1;
+  }
+  if (should_set_dummy()) {
+    nargv[c++] = (char*) "PKG_DUMMY_ENTRYPOINT";
+  }
+  for (i = 1; i < argc; i++) {
+    nargv[c++] = argv[i];
+  }
+  return adjacent(c, nargv);
+}