Function main

scripts/perf-counters/src/jsc-perf.cpp:129–202

}

int main(int argc, char **argv) {
  if (argc != 2) {
    fprintf(stderr, "usage: jsc-runner file\n");
    exit(1);
  }

  char *filename = argv[1];
  std::ifstream ifs(filename);
  if (ifs.fail()) {
    std::cerr << "Error opening \"" << filename << "\": " << strerror(errno) << "\n";
    exit(1);
  }
  std::string script(
    (std::istreambuf_iterator<char>(ifs)),
    (std::istreambuf_iterator<char>())
  );
  JSStringRef jsScript = JSStringCreateWithUTF8CString(script.c_str());
  JSStringRef jsURL = JSStringCreateWithUTF8CString(argv[1]);

  JSGlobalContextRef ctx = JSGlobalContextCreate(NULL);
  add_native_hook(
    ctx,
    JSContextGetGlobalObject(ctx),
    "print",
    js_print
  );

  JSObjectRef jsPerfCounters = JSObjectMake(ctx, NULL, NULL);
  add_native_hook(
    ctx,
    jsPerfCounters,
    "init",
    js_perf_counters_init
  );
  add_native_hook(
    ctx,
    jsPerfCounters,
    "getCounters",
    js_perf_counters_get_counters
  );
  JSObjectSetProperty(
    ctx,
    JSContextGetGlobalObject(ctx),
    JSStringCreateWithUTF8CString("PerfCounters"),
    jsPerfCounters,
    kJSPropertyAttributeNone,
    NULL
  );

  JSValueRef jsError = NULL;
  JSValueRef result = JSEvaluateScript(
    ctx,
    jsScript,
    NULL,
    jsURL,
    0,
    &jsError
  );