// print how long each step took
#define VERBOSE

//
// This loads up a JavaScriptCore global object which only has a "write"
// global function and then calls eval
//
//
// Usage:
//  ./cold-jsc-start <file>
//  ./cold-jsc-start -e "write('hey')"
//
#include "root.h"

#include <wtf/FileSystem.h>

#include <JavaScriptCore/JSGlobalObject.h>

#include <JavaScriptCore/JSArrayBufferView.h>
#include <JavaScriptCore/JSArrayBufferViewInlines.h>

#include <JavaScriptCore/Completion.h>
#include <JavaScriptCore/InitializeThreading.h>
#include <unistd.h>
#include <wtf/Stopwatch.h>

using namespace JSC;

JSC_DEFINE_HOST_FUNCTION(jsFunctionWrite, (JSC::JSGlobalObject * globalObject,
                                           JSC::CallFrame *callframe)) {

  if (callframe->argumentCount() < 1)
    return JSValue::encode(jsUndefined());

  JSValue arg1 = callframe->argument(0);
  JSValue toWriteArg = callframe->argument(1);
  auto &vm = globalObject->vm();
  auto scope = DECLARE_CATCH_SCOPE(vm);

  int32_t fd = STDOUT_FILENO;
  if (callframe->argumentCount() > 1) {
    fd = arg1.toInt32(globalObject);
    RETURN_IF_EXCEPTION(scope, encodedJSValue());
  } else {
    toWriteArg = arg1;
  }

  if (auto *buffer = jsDynamicCast<JSC::JSArrayBufferView *>(toWriteArg)) {
    auto *data = buffer->vector();
    auto length = buffer->byteLength();
    auto written = write(fd, data, length);
    return JSValue::encode(jsNumber(written));
  }

  auto string = toWriteArg.toWTFString(globalObject);
  RETURN_IF_EXCEPTION(scope, encodedJSValue());
  auto utf8 = string.utf8();
  auto length = utf8.length();
  auto written = write(fd, utf8.data(), length);
  return JSValue::encode(jsNumber(written));
}

int main(int argc, char **argv) {
  if (argc < 2) {
    fprintf(stderr, "Usage: %s <file>\n", argv[0]);
    return 1;
  }
#ifdef VERBOSE
  auto stopwatch = Stopwatch::create();
  stopwatch->start();
#endif

  {
    WTF::initializeMainThread();
    JSC::initialize();
    {
      JSC::Options::AllowUnfinalizedAccessScope scope;

      JSC::Options::useConcurrentJIT() = true;
      // JSC::Options::useSigillCrashAnalyzer() = true;
      JSC::Options::useWebAssembly() = true;
      JSC::Options::useSourceProviderCache() = true;
      // JSC::Options::useUnlinkedCodeBlockJettisoning() = false;
      JSC::Options::exposeInternalModuleLoader() = true;
      JSC::Options::useSharedArrayBuffer() = true;
      JSC::Options::useJIT() = true;
      JSC::Options::useBBQJIT() = true;
      JSC::Options::useJITCage() = false;
      JSC::Options::useShadowRealm() = true;
      JSC::Options::useResizableArrayBuffer() = true;
      JSC::Options::showPrivateScriptsInStackTraces() = true;
      JSC::Options::useSetMethods() = true;
      JSC::Options::assertOptionsAreCoherent();
    }
  }

#ifdef VERBOSE

  fprintf(stderr, "JSC::Initialize took %f ms\n",
          stopwatch->elapsedTime().milliseconds());
  stopwatch->reset();
  stopwatch->start();
#endif

  auto &vm = JSC::VM::create(JSC::HeapType::Large).leakRef();
  vm.heap.acquireAccess();

#ifdef VERBOSE
  fprintf(stderr, "JSC::VM::create took %f ms\n",
          stopwatch->elapsedTime().milliseconds());
  stopwatch->reset();
  stopwatch->start();
#endif

  JSC::JSLockHolder locker(vm);
  auto *globalObject = JSC::JSGlobalObject::create(
      vm, JSC::JSGlobalObject::createStructure(vm, JSC::jsNull()));

#ifdef VERBOSE
  fprintf(stderr, "JSC::JSGlobalObject::create took %f ms\n",
          stopwatch->elapsedTime().milliseconds());
  stopwatch->reset();
  stopwatch->start();
#endif

  JSC::gcProtect(globalObject);
  globalObject->putDirectNativeFunction(
      vm, globalObject,
      PropertyName(JSC::Identifier::fromString(vm, "write"_s)), 0,
      jsFunctionWrite, ImplementationVisibility::Public, JSC::NoIntrinsic,
      JSC::PropertyAttribute::ReadOnly | 0);

  vm.ref();
  if (argc > 2) {
    auto source = JSC::makeSource(WTF::String::fromUTF8(argv[argc - 1]),
                                  SourceOrigin(WTF::URL("file://eval.js"_s)),
                                  "eval.js"_s);

    NakedPtr<Exception> evaluationException;
    JSValue returnValue =
        JSC::profiledEvaluate(globalObject, ProfilingReason::API, source,
                              globalObject, evaluationException);

#ifdef VERBOSE
    fprintf(stderr, "\neval took %f ms\n",
            stopwatch->elapsedTime().milliseconds());
    stopwatch->reset();

#endif

    if (evaluationException) {
      fprintf(
          stderr, "Exception: %s\n",
          evaluationException->value().toWTFString(globalObject).utf8().data());
      return 1;
    } else {
      return 0;
    }
  }

  WTF::String fileURLString = WTF::String::fromUTF8(argv[argc - 1]);

  if (auto contents = WTF::FileSystemImpl::readEntireFile(fileURLString)) {
    auto source =
        JSC::makeSource(WTF::String::fromUTF8(contents.value()),
                        SourceOrigin(WTF::URL(fileURLString)), fileURLString);

    NakedPtr<Exception> evaluationException;
    JSValue returnValue =
        JSC::profiledEvaluate(globalObject, ProfilingReason::API, source,
                              globalObject, evaluationException);

#ifdef VERBOSE
    fprintf(stderr, "eval took %f ms\n",
            stopwatch->elapsedTime().milliseconds());
    stopwatch->reset();
#endif

    if (evaluationException) {
      fprintf(
          stderr, "Exception: %s\n",
          evaluationException->value().toWTFString(globalObject).utf8().data());
      return 1;
    } else {
      return 0;
    }
  } else {
    fprintf(stderr, "Could not read file %s\n", argv[argc - 1]);
    return 1;
  }
}
91/newsboat/commit/po/es.po?h=r2.37&amp;id=7bc9f1e9d900818b10311100e5521934ae6ce55b&amp;follow=1'>Update ES Translation</a></td><td><img src='//www.gravatar.com/avatar/4cfcfdc8cbbfa61033351053fd29064e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Roboron3042
</td><td>1</td><td><span class='deletions'>-9</span>/<span class='insertions'>+9</span></td></tr>
<tr><td><span title='2024-09-15 22:05:41 +0200'>2024-09-15</span></td><td><a href='/ansg191/newsboat/commit/po/es.po?h=r2.37&amp;id=546a5725161e96dbafa635a90d5b752e7389b461&amp;follow=1'>Update ES Translation</a></td><td><img src='//www.gravatar.com/avatar/4cfcfdc8cbbfa61033351053fd29064e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Roboron3042
</td><td>1</td><td><span class='deletions'>-30</span>/<span class='insertions'>+18</span></td></tr>
<tr><td><span title='2024-09-12 06:53:28 +0000'>2024-09-12</span></td><td><a href='/ansg191/newsboat/commit/rust/libnewsboat/Cargo.toml?h=r2.37&amp;id=1913c9295c970c76db30704f84f433ed5ffd1a35&amp;follow=1'>Chore(deps): bump curl-sys from 0.4.74+curl-8.9.0 to 0.4.75+curl-8.10.0</a></td><td><img src='//www.gravatar.com/avatar/48ea49be76d0c68403a7f3df87e3487d?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> dependabot[bot]
</td><td>2</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2024-09-11 22:12:29 +0200'>2024-09-11</span></td><td><a href='/ansg191/newsboat/commit/po/it.po?h=r2.37&amp;id=ef542b9ab296113cf12e5f3ded377e4183c5892f&amp;follow=1'>Updated Italian translation</a></td><td><img src='//www.gravatar.com/avatar/b882a1ce3f31801f3b45a1e8ccc38e30?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Mauro Scomparin
</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-09-11 19:05:48 +0200'>2024-09-11</span></td><td><a href='/ansg191/newsboat/commit/po/nl.po?h=r2.37&amp;id=0f2a4728c371693cd49e6bec9485c82b0c3961fe&amp;follow=1'>Update Dutch translation</a></td><td><img src='//www.gravatar.com/avatar/478090ad868b9ff33a9824edbf79cd0e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Dennis van der Schagt
</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-09-11 18:28:51 +0200'>2024-09-11</span></td><td><a href='/ansg191/newsboat/commit/po/de.po?h=r2.37&amp;id=0cfb5739369b23a7f243e1eea14c98dbe659cef4&amp;follow=1'>Update German translations</a></td><td><img src='//www.gravatar.com/avatar/30c3ee8fb1a5cbd66eb77f4d66e43a44?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Lysander Trischler
</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-09-10 09:46:26 +0800'>2024-09-10</span></td><td><a href='/ansg191/newsboat/commit/po/zh.po?h=r2.37&amp;id=87a60aad74115c7eb6b7dd172dffba700373c848&amp;follow=1'>update zh translation</a></td><td><img src='//www.gravatar.com/avatar/766155386648f16895e4d56918346bbb?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> CookiePieWw
</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-09-10 00:49:48 +0300'>2024-09-10</span></td><td><a href='/ansg191/newsboat/commit/po/tr.po?h=r2.37&amp;id=1136bc475fad108d9d80d3c0232a47de706352ad&amp;follow=1'>Update Turkish translations</a></td><td><img src='//www.gravatar.com/avatar/430c946475b9a5959834279177c36d65?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Emir SARI
</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-09-09 23:24:00 +0200'>2024-09-09</span></td><td><a href='/ansg191/newsboat/commit/po/pl.po?h=r2.37&amp;id=a889c20b682211f4abc3d33b4376d370adde0b23&amp;follow=1'>chore(l10n): Update Polish translation before 2.37 release</a></td><td><img src='//www.gravatar.com/avatar/b665a4b6f301c000fd3bebf20b93cdde?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Carno
</td><td>1</td><td><span class='deletions'>-3</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2024-09-09 21:22:38 +0300'>2024-09-09</span></td><td><a href='/ansg191/newsboat/commit/po/uk.po?h=r2.37&amp;id=9544e44cc1778b3839d799c0e2ba0dfbc37fed27&amp;follow=1'>Update Russian and Ukrainian translations</a></td><td><img src='//www.gravatar.com/avatar/7cf94c7218b74a36b40b1241e5c6649f?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Alexander Batischev
</td><td>2</td><td><span class='deletions'>-4</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2024-09-09 19:37:32 +0300'>2024-09-09</span></td><td><a href='/ansg191/newsboat/commit/po/zh_TW.po?h=r2.37&amp;id=4d108f0452a29066151d5ec2f3def0336676fb21&amp;follow=1'>Update .pot and .po files</a></td><td><img src='//www.gravatar.com/avatar/7cf94c7218b74a36b40b1241e5c6649f?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Alexander Batischev
</td><td>19</td><td><span class='deletions'>-340</span>/<span class='insertions'>+340</span></td></tr>
<tr><td><span title='2024-09-08 19:48:18 +0200'>2024-09-08</span></td><td><a href='/ansg191/newsboat/commit/test/listmovementcontrol.cpp?h=r2.37&amp;id=359c06347e3512d59a8534cfa13ea60de027f932&amp;follow=1'>Fixup scroll_offset when list is changed/resized</a></td><td><img src='//www.gravatar.com/avatar/478090ad868b9ff33a9824edbf79cd0e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Dennis van der Schagt
</td><td>2</td><td><span class='deletions'>-1</span>/<span class='insertions'>+19</span></td></tr>
<tr><td><span title='2024-09-02 06:50:10 +0000'>2024-09-02</span></td><td><a href='/ansg191/newsboat/commit/rust/regex-rs/Cargo.toml?h=r2.37&amp;id=b3fc03e8d17c1b654addc21e3f1542c7e4106593&amp;follow=1'>Chore(deps): bump gettext-rs from 0.7.0 to 0.7.1</a></td><td><img src='//www.gravatar.com/avatar/48ea49be76d0c68403a7f3df87e3487d?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> dependabot[bot]
</td><td>3</td><td><span class='deletions'>-4</span>/<span class='insertions'>+4</span></td></tr>
<tr><td><span title='2024-09-02 06:49:49 +0000'>2024-09-02</span></td><td><a href='/ansg191/newsboat/commit/Cargo.lock?h=r2.37&amp;id=a6153ad5ba14ea77c41cbf7f7e4a652aab18d994&amp;follow=1'>Chore(deps): bump the cxx group with 2 updates</a></td><td><img src='//www.gravatar.com/avatar/48ea49be76d0c68403a7f3df87e3487d?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> dependabot[bot]
</td><td>1</td><td><span class='deletions'>-8</span>/<span class='insertions'>+8</span></td></tr>
<tr><td><span title='2024-09-02 01:39:32 +0400'>2024-09-02</span></td><td><a href='/ansg191/newsboat/commit/test/rsspp_parser.cpp?h=r2.37&amp;id=69cd94150808ed09a598b8bab9842dda914d9944&amp;follow=1'>fix codestyle</a></td><td><img src='//www.gravatar.com/avatar/9b3a3f93cdeab6afb2beb8186f663676?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Mikhail Iumanov (tufsampla)
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-09-02 01:18:47 +0400'>2024-09-02</span></td><td><a href='/ansg191/newsboat/commit/test/rsspp_parser.cpp?h=r2.37&amp;id=a230a422022942a746c22863ee3c5cb21e441634&amp;follow=1'>Add tests on author name ending with a closing bracket</a></td><td><img src='//www.gravatar.com/avatar/9b3a3f93cdeab6afb2beb8186f663676?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Mikhail Iumanov (tufsampla)
</td><td>4</td><td><span class='deletions'>-0</span>/<span class='insertions'>+143</span></td></tr>
<tr><td><span title='2024-09-02 01:14:19 +0400'>2024-09-02</span></td><td><a href='/ansg191/newsboat/commit/rss/rss09xparser.cpp?h=r2.37&amp;id=d7fba3fada1baf37c38b26f9d724c91b1fd67065&amp;follow=1'>Update rss/rss09xparser.cpp</a></td><td><img src='//www.gravatar.com/avatar/b57b216712f7f5c29f8100fd1675a94d?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Mikhail Yumanov
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2024-09-01 18:34:08 +0200'>2024-09-01</span></td><td><a href='/ansg191/newsboat/commit/doc/newsboat.asciidoc?h=r2.37&amp;id=2295728f7636b83eae6544c669b37feaff97dd6a&amp;follow=1'>Update list of possible podboat download states</a></td><td><img src='//www.gravatar.com/avatar/478090ad868b9ff33a9824edbf79cd0e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Dennis van der Schagt
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+1</span></td></tr>
<tr><td><span title='2024-08-31 22:47:13 +0200'>2024-08-31</span></td><td><a href='/ansg191/newsboat/commit/src/feedlistformaction.cpp?h=r2.37&amp;id=49b5eaf9b704be937ec7645f0223fc18011c727b&amp;follow=1'>Remove "Searching..." message when search is finished</a></td><td><img src='//www.gravatar.com/avatar/478090ad868b9ff33a9824edbf79cd0e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Dennis van der Schagt
</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2024-08-31 20:27:00 +0200'>2024-08-31</span></td><td><a href='/ansg191/newsboat/commit/test/queueloader.cpp?h=r2.37&amp;id=16a66cb629685b3753db05de49b56561a42ec521&amp;follow=1'>Podboat: Mark entry as missing if downloaded file does not exist</a></td><td><img src='//www.gravatar.com/avatar/478090ad868b9ff33a9824edbf79cd0e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Dennis van der Schagt
</td><td>5</td><td><span class='deletions'>-31</span>/<span class='insertions'>+43</span></td></tr>
<tr><td><span title='2024-08-31 14:10:24 +0200'>2024-08-31</span></td><td><a href='/ansg191/newsboat/commit/Cargo.lock?h=r2.37&amp;id=57e9191caeb822b4212c2ed8bdf169f72abdecf3&amp;follow=1'>Update gettext-sys to 0.21.4</a></td><td><img src='//www.gravatar.com/avatar/478090ad868b9ff33a9824edbf79cd0e?s=13&amp;d=retro' width='13' height='13' alt='Gravatar' /> Dennis van der Schagt
</td><td>2</td><td><span class='deletions'>-4</span>/<span class='insertions'>+2</span></td></tr>