void Options::dumpOptionsIfNeeded()
{
if (Options::showOptions()) {
DumpLevel level = static_cast<DumpLevel>(Options::showOptions());
if (level > DumpLevel::Verbose)
level = DumpLevel::Verbose;
const char* title = nullptr;
switch (level) {
case DumpLevel::None:
break;
case DumpLevel::Overridden:
title = "Overridden JSC options:";
break;
case DumpLevel::All:
title = "All JSC options:";
break;
case DumpLevel::Verbose:
title = "All JSC options with descriptions:";
break;
}
StringBuilder builder;
dumpAllOptions(builder, level, title, nullptr, " ", "\n", ShowDefaults);
dataLog(builder.toString());
}
}
void Options::initialize()
{
// Initialize each of the options with their default values:
#define FOR_EACH_OPTION(type_, name_, defaultValue_, description_) \
name_() = defaultValue_; \
name_##Default() = defaultValue_;
JSC_OPTIONS(FOR_EACH_OPTION)
#undef FOR_EACH_OPTION
// It *probably* makes sense for other platforms to enable this.
#if PLATFORM(IOS) && CPU(ARM64)
enableLLVMFastISel() = true;
#endif
// Allow environment vars to override options if applicable.
// The evn var should be the name of the option prefixed with
// "JSC_".
#define FOR_EACH_OPTION(type_, name_, defaultValue_, description_) \
overrideOptionWithHeuristic(name_(), "JSC_" #name_);
JSC_OPTIONS(FOR_EACH_OPTION)
#undef FOR_EACH_OPTION
#if 0
; // Deconfuse editors that do auto indentation
#endif
recomputeDependentOptions();
// Do range checks where needed and make corrections to the options:
ASSERT(Options::thresholdForOptimizeAfterLongWarmUp() >= Options::thresholdForOptimizeAfterWarmUp());
ASSERT(Options::thresholdForOptimizeAfterWarmUp() >= Options::thresholdForOptimizeSoon());
ASSERT(Options::thresholdForOptimizeAfterWarmUp() >= 0);
if (Options::showOptions()) {
DumpLevel level = static_cast<DumpLevel>(Options::showOptions());
if (level > DumpLevel::Verbose)
level = DumpLevel::Verbose;
const char* title = nullptr;
switch (level) {
case DumpLevel::None:
break;
case DumpLevel::Overridden:
title = "Overridden JSC options:";
break;
case DumpLevel::All:
title = "All JSC options:";
break;
case DumpLevel::Verbose:
title = "All JSC options with descriptions:";
break;
}
dumpAllOptions(level, title);
}
}
void Options::dumpAllOptions(FILE* stream, DumpLevel level, const char* title)
{
StringBuilder builder;
dumpAllOptions(builder, level, title, nullptr, " ", "\n", ShowDefaults);
fprintf(stream, "%s", builder.toString().ascii().data());
}
void Options::dumpAllOptionsInALine(StringBuilder& builder)
{
dumpAllOptions(builder, DumpLevel::All, nullptr, " ", nullptr, nullptr, DontShowDefaults);
}
void usage()
{
std::cout << "unknow options" << std::endl;
dumpAllOptions();
}
