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bun.sh/src/javascript/jsc/bindings/Process.cpp
2022-03-27 22:37:55 -07:00

384 lines
15 KiB
C++

#include "Process.h"
#include "JavaScriptCore/JSMicrotask.h"
#include "JavaScriptCore/ObjectConstructor.h"
#include "JavaScriptCore/JSCInlines.h"
#pragma mark - Node.js Process
namespace Zig {
using JSGlobalObject = JSC::JSGlobalObject;
using Exception = JSC::Exception;
using JSValue = JSC::JSValue;
using JSString = JSC::JSString;
using JSModuleLoader = JSC::JSModuleLoader;
using JSModuleRecord = JSC::JSModuleRecord;
using Identifier = JSC::Identifier;
using SourceOrigin = JSC::SourceOrigin;
using JSObject = JSC::JSObject;
using JSNonFinalObject = JSC::JSNonFinalObject;
namespace JSCastingHelpers = JSC::JSCastingHelpers;
static JSC_DECLARE_CUSTOM_SETTER(Process_setTitle);
static JSC_DECLARE_CUSTOM_GETTER(Process_getArgv);
static JSC_DECLARE_CUSTOM_SETTER(Process_setArgv);
static JSC_DECLARE_CUSTOM_GETTER(Process_getTitle);
static JSC_DECLARE_CUSTOM_GETTER(Process_getVersionsLazy);
static JSC_DECLARE_CUSTOM_SETTER(Process_setVersionsLazy);
static JSC_DECLARE_CUSTOM_GETTER(Process_getPID);
static JSC_DECLARE_CUSTOM_GETTER(Process_getPPID);
static JSC_DECLARE_HOST_FUNCTION(Process_functionCwd);
static JSC_DECLARE_HOST_FUNCTION(Process_functionNextTick);
static JSC_DEFINE_HOST_FUNCTION(Process_functionNextTick,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
JSC::VM& vm = globalObject->vm();
auto argCount = callFrame->argumentCount();
if (argCount == 0) {
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
JSC::throwTypeError(globalObject, scope, "nextTick requires 1 argument (a function)"_s);
return JSC::JSValue::encode(JSC::JSValue {});
}
JSC::JSValue job = callFrame->uncheckedArgument(0);
if (!job.isObject() || !job.getObject()->isCallable(vm)) {
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
JSC::throwTypeError(globalObject, scope, "nextTick expects a function"_s);
return JSC::JSValue::encode(JSC::JSValue {});
}
switch (argCount) {
case 1: {
// This is a JSC builtin function
globalObject->queueMicrotask(JSC::createJSMicrotask(vm, job, JSC::JSValue {}, JSC::JSValue {},
JSC::JSValue {}, JSC::JSValue {}));
break;
}
case 2:
case 3:
case 4:
case 5: {
JSC::JSValue argument0 = callFrame->uncheckedArgument(1);
JSC::JSValue argument1 = argCount > 2 ? callFrame->uncheckedArgument(2) : JSC::JSValue {};
JSC::JSValue argument2 = argCount > 3 ? callFrame->uncheckedArgument(3) : JSC::JSValue {};
JSC::JSValue argument3 = argCount > 4 ? callFrame->uncheckedArgument(4) : JSC::JSValue {};
globalObject->queueMicrotask(
JSC::createJSMicrotask(vm, job, argument0, argument1, argument2, argument3));
break;
}
default: {
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
JSC::throwTypeError(globalObject, scope,
"nextTick doesn't support more than 4 arguments currently"_s);
return JSC::JSValue::encode(JSC::JSValue {});
break;
}
// JSC::MarkedArgumentBuffer args;
// for (unsigned i = 1; i < callFrame->argumentCount(); i++) {
// args.append(callFrame->uncheckedArgument(i));
// }
// JSC::ArgList argsList(args);
// JSC::gcProtect(job);
// JSC::JSFunction *callback = JSC::JSNativeStdFunction::create(
// vm, globalObject, 0, String(),
// [job, &argsList](JSC::JSGlobalObject *globalObject, JSC::CallFrame *callFrame) {
// JSC::VM &vm = globalObject->vm();
// auto callData = getCallData(vm, job);
// return JSC::JSValue::encode(JSC::call(globalObject, job, callData, job, argsList));
// });
// globalObject->queueMicrotask(JSC::createJSMicrotask(vm, JSC::JSValue(callback)));
}
return JSC::JSValue::encode(JSC::jsUndefined());
}
static JSC_DECLARE_HOST_FUNCTION(Process_functionExit);
static JSC_DEFINE_HOST_FUNCTION(Process_functionExit,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
if (callFrame->argumentCount() == 0) {
// TODO: exitCode
Bun__Process__exit(globalObject, 0);
} else {
Bun__Process__exit(globalObject, callFrame->argument(0).toInt32(globalObject));
}
return JSC::JSValue::encode(JSC::jsUndefined());
}
static JSC_DECLARE_HOST_FUNCTION(Process_functionChdir);
static JSC_DEFINE_HOST_FUNCTION(Process_functionChdir,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
ZigString str = ZigString { nullptr, 0 };
if (callFrame->argumentCount() > 0) {
str = Zig::toZigString(callFrame->uncheckedArgument(0).toWTFString(globalObject));
}
JSC::JSValue result = JSC::JSValue::decode(Bun__Process__setCwd(globalObject, &str));
JSC::JSObject* obj = result.getObject();
if (UNLIKELY(obj != nullptr && obj->isErrorInstance())) {
scope.throwException(globalObject, obj);
return JSValue::encode(JSC::jsUndefined());
}
scope.release();
return JSC::JSValue::encode(result);
}
void Process::finishCreation(JSC::VM& vm)
{
Base::finishCreation(vm);
auto clientData = WebCore::clientData(vm);
putDirectCustomAccessor(vm, clientData->builtinNames().pidPublicName(),
JSC::CustomGetterSetter::create(vm, Process_getPID, nullptr),
static_cast<unsigned>(JSC::PropertyAttribute::CustomValue));
putDirectCustomAccessor(vm, clientData->builtinNames().ppidPublicName(),
JSC::CustomGetterSetter::create(vm, Process_getPPID, nullptr),
static_cast<unsigned>(JSC::PropertyAttribute::CustomValue));
putDirectCustomAccessor(vm, clientData->builtinNames().titlePublicName(),
JSC::CustomGetterSetter::create(vm, Process_getTitle, Process_setTitle),
static_cast<unsigned>(JSC::PropertyAttribute::CustomValue));
putDirectCustomAccessor(vm, clientData->builtinNames().argvPublicName(),
JSC::CustomGetterSetter::create(vm, Process_getArgv, Process_setArgv),
static_cast<unsigned>(JSC::PropertyAttribute::CustomValue));
this->putDirect(vm, clientData->builtinNames().nextTickPublicName(),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 0,
WTF::String("nextTick"), Process_functionNextTick),
0);
this->putDirect(vm, clientData->builtinNames().cwdPublicName(),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 0,
WTF::String("cwd"), Process_functionCwd),
0);
this->putDirect(vm, clientData->builtinNames().chdirPublicName(),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 0,
WTF::String("chdir"), Process_functionChdir),
0);
this->putDirect(vm, JSC::Identifier::fromString(vm, "exit"_s),
JSC::JSFunction::create(vm, JSC::jsCast<JSC::JSGlobalObject*>(globalObject()), 0,
WTF::String("exit"), Process_functionExit),
0);
putDirectCustomAccessor(
vm, clientData->builtinNames().versionsPublicName(),
JSC::CustomGetterSetter::create(vm, Process_getVersionsLazy, Process_setVersionsLazy), 0);
// this should be transpiled out, but just incase
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "browser"),
JSC::JSValue(false));
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "exitCode"),
JSC::JSValue(JSC::jsNumber(0)));
this->putDirect(this->vm(), clientData->builtinNames().versionPublicName(),
JSC::jsString(this->vm(), WTF::String(Bun__version)));
// this gives some way of identifying at runtime whether the SSR is happening in node or not.
// this should probably be renamed to what the name of the bundler is, instead of "notNodeJS"
// but it must be something that won't evaluate to truthy in Node.js
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "isBun"), JSC::JSValue(true));
#if defined(__APPLE__)
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "platform"),
JSC::jsString(this->vm(), WTF::String("darwin")));
#else
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "platform"),
JSC::jsString(this->vm(), WTF::String("linux")));
#endif
#if defined(__x86_64__)
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "arch"),
JSC::jsString(this->vm(), WTF::String("x64")));
#elif defined(__i386__)
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "arch"),
JSC::jsString(this->vm(), WTF::String("x86")));
#elif defined(__arm__)
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "arch"),
JSC::jsString(this->vm(), WTF::String("arm")));
#elif defined(__aarch64__)
this->putDirect(this->vm(), JSC::Identifier::fromString(this->vm(), "arch"),
JSC::jsString(this->vm(), WTF::String("arm64")));
#endif
}
const JSC::ClassInfo Process::s_info = { "Process"_s, &Base::s_info, nullptr, nullptr,
CREATE_METHOD_TABLE(Process) };
JSC_DEFINE_CUSTOM_GETTER(Process_getTitle, (JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue, JSC::PropertyName))
{
ZigString str;
Bun__Process__getTitle(globalObject, &str);
return JSValue::encode(Zig::toJSStringValue(str, globalObject));
}
JSC_DEFINE_CUSTOM_SETTER(Process_setTitle,
(JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue,
JSC::EncodedJSValue value, JSC::PropertyName))
{
JSC::VM& vm = globalObject->vm();
JSC::JSObject* thisObject = JSC::jsDynamicCast<JSC::JSObject*>(vm, JSValue::decode(thisValue));
JSC::JSString* jsString = JSC::jsDynamicCast<JSC::JSString*>(vm, JSValue::decode(value));
if (!thisObject || !jsString) {
return false;
}
ZigString str = Zig::toZigString(jsString, globalObject);
Bun__Process__setTitle(globalObject, &str);
return true;
}
JSC_DEFINE_CUSTOM_GETTER(Process_getArgv, (JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue, JSC::PropertyName))
{
JSC::VM& vm = globalObject->vm();
Zig::Process* thisObject = JSC::jsDynamicCast<Zig::Process*>(vm, JSValue::decode(thisValue));
if (!thisObject) {
return JSValue::encode(JSC::jsUndefined());
}
auto clientData = WebCore::clientData(vm);
if (JSC::JSValue argv = thisObject->getIfPropertyExists(
globalObject, clientData->builtinNames().argvPrivateName())) {
return JSValue::encode(argv);
}
JSC::EncodedJSValue argv_ = Bun__Process__getArgv(globalObject);
thisObject->putDirect(vm, clientData->builtinNames().argvPrivateName(),
JSC::JSValue::decode(argv_));
return argv_;
}
JSC_DEFINE_CUSTOM_SETTER(Process_setArgv,
(JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue,
JSC::EncodedJSValue value, JSC::PropertyName))
{
JSC::VM& vm = globalObject->vm();
JSC::JSObject* thisObject = JSC::jsDynamicCast<JSC::JSObject*>(vm, JSValue::decode(thisValue));
if (!thisObject) {
return false;
}
auto clientData = WebCore::clientData(vm);
return thisObject->putDirect(vm, clientData->builtinNames().argvPrivateName(),
JSC::JSValue::decode(value));
}
JSC_DEFINE_CUSTOM_GETTER(Process_getPID, (JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue, JSC::PropertyName))
{
return JSC::JSValue::encode(JSC::JSValue(getpid()));
}
JSC_DEFINE_CUSTOM_GETTER(Process_getPPID, (JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue, JSC::PropertyName))
{
return JSC::JSValue::encode(JSC::JSValue(getppid()));
}
JSC_DEFINE_CUSTOM_GETTER(Process_getVersionsLazy,
(JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue,
JSC::PropertyName))
{
JSC::VM& vm = globalObject->vm();
auto clientData = WebCore::clientData(vm);
Zig::Process* thisObject = JSC::jsDynamicCast<Zig::Process*>(vm, JSValue::decode(thisValue));
if (!thisObject) {
return JSValue::encode(JSC::jsUndefined());
}
if (JSC::JSValue argv = thisObject->getIfPropertyExists(
globalObject, clientData->builtinNames().versionsPrivateName())) {
return JSValue::encode(argv);
}
JSC::JSObject* object = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype(), 9);
object->putDirect(vm, JSC::Identifier::fromString(vm, "node"),
JSC::JSValue(JSC::jsString(vm, WTF::String("16.14.0"))));
object->putDirect(
vm, JSC::Identifier::fromString(vm, "bun"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__version + 1 /* prefix with v */))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "webkit"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_webkit))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "mimalloc"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_mimalloc))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "libarchive"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_libarchive))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "picohttpparser"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_picohttpparser))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "boringssl"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_boringssl))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "zlib"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_zlib))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "zig"),
JSC::JSValue(JSC::jsString(vm, WTF::String(Bun__versions_zig))));
object->putDirect(vm, JSC::Identifier::fromString(vm, "modules"),
JSC::JSValue(JSC::jsString(vm, WTF::String("67"))));
thisObject->putDirect(vm, clientData->builtinNames().versionsPrivateName(), object);
return JSC::JSValue::encode(object);
}
JSC_DEFINE_CUSTOM_SETTER(Process_setVersionsLazy,
(JSC::JSGlobalObject * globalObject, JSC::EncodedJSValue thisValue,
JSC::EncodedJSValue value, JSC::PropertyName))
{
JSC::VM& vm = globalObject->vm();
auto clientData = WebCore::clientData(vm);
Zig::Process* thisObject = JSC::jsDynamicCast<Zig::Process*>(vm, JSValue::decode(thisValue));
if (!thisObject) {
return JSValue::encode(JSC::jsUndefined());
}
thisObject->putDirect(vm, clientData->builtinNames().versionsPrivateName(),
JSC::JSValue::decode(value));
return true;
}
static JSC_DEFINE_HOST_FUNCTION(Process_functionCwd,
(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
JSC::JSValue result = JSC::JSValue::decode(Bun__Process__getCwd(globalObject));
JSC::JSObject* obj = result.getObject();
if (UNLIKELY(obj != nullptr && obj->isErrorInstance())) {
scope.throwException(globalObject, obj);
return JSValue::encode(JSC::jsUndefined());
}
return JSC::JSValue::encode(result);
}
} // namespace Zig