mirror of
https://github.com/oven-sh/bun
synced 2026-02-15 21:32:05 +00:00
702da52312
* Fix rawMode regression * arg0 * Update ProcessBindingTTYWrap.cpp --------- Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
426 lines
15 KiB
C++
426 lines
15 KiB
C++
#include "root.h"
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#include "JavaScriptCore/ExceptionScope.h"
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#include "JavaScriptCore/Identifier.h"
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#include <JavaScriptCore/ObjectConstructor.h>
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#include "ProcessBindingTTYWrap.h"
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#include "NodeTTYModule.h"
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#include "WebCoreJSBuiltins.h"
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#include <JavaScriptCore/FunctionPrototype.h>
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#ifndef WIN32
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#include <errno.h>
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#include <dlfcn.h>
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#include <sys/ioctl.h>
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#include <termios.h>
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#include <netdb.h>
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#include <unistd.h>
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#include <sys/utsname.h>
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#else
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#include <uv.h>
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#include <io.h>
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#include <fcntl.h>
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#endif
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namespace Bun {
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using namespace JSC;
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static bool getWindowSize(int fd, size_t* width, size_t* height)
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{
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#if OS(WINDOWS)
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CONSOLE_SCREEN_BUFFER_INFO csbi;
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HANDLE handle = INVALID_HANDLE_VALUE;
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switch (fd) {
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case 0:
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handle = GetStdHandle(STD_INPUT_HANDLE);
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break;
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case 1:
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handle = GetStdHandle(STD_OUTPUT_HANDLE);
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break;
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case 2:
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handle = GetStdHandle(STD_ERROR_HANDLE);
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break;
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default:
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break;
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}
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if (handle == INVALID_HANDLE_VALUE)
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return false;
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if (!GetConsoleScreenBufferInfo(handle, &csbi))
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return false;
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*width = csbi.srWindow.Right - csbi.srWindow.Left + 1;
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*height = csbi.srWindow.Bottom - csbi.srWindow.Top + 1;
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return true;
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#else
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struct winsize ws;
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int err;
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do
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err = ioctl(fd, TIOCGWINSZ, &ws);
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while (err == -1 && errno == EINTR);
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if (err == -1)
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return false;
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*width = ws.ws_col;
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*height = ws.ws_row;
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return true;
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#endif
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}
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class TTYWrapObject final : public JSC::JSNonFinalObject {
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public:
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using Base = JSC::JSNonFinalObject;
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static TTYWrapObject* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, int fd)
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{
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TTYWrapObject* object = new (NotNull, JSC::allocateCell<TTYWrapObject>(vm)) TTYWrapObject(vm, structure, fd);
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object->finishCreation(vm);
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return object;
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}
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DECLARE_INFO;
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template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
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{
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if constexpr (mode == JSC::SubspaceAccess::Concurrently)
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return nullptr;
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return WebCore::subspaceForImpl<TTYWrapObject, UseCustomHeapCellType::No>(
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vm,
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[](auto& spaces) { return spaces.m_clientSubspaceForTTYWrapObject.get(); },
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[](auto& spaces, auto&& space) { spaces.m_clientSubspaceForTTYWrapObject = std::forward<decltype(space)>(space); },
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[](auto& spaces) { return spaces.m_subspaceForTTYWrapObject.get(); },
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[](auto& spaces, auto&& space) { spaces.m_subspaceForTTYWrapObject = std::forward<decltype(space)>(space); });
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}
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static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSObject* prototype)
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{
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return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
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}
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int fd = -1;
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private:
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TTYWrapObject(JSC::VM& vm, JSC::Structure* structure, const int fd)
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: Base(vm, structure)
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, fd(fd)
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{
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}
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void finishCreation(JSC::VM& vm)
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{
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Base::finishCreation(vm);
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ASSERT(inherits(info()));
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}
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};
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const ClassInfo TTYWrapObject::s_info = {
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"LibuvStreamWrap"_s,
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&Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(TTYWrapObject)
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};
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JSC::EncodedJSValue Process_functionInternalGetWindowSize(JSC::JSGlobalObject* globalObject, JSC::CallFrame* callFrame);
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extern "C" int Bun__ttySetMode(int fd, int mode);
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JSC_DEFINE_HOST_FUNCTION(jsTTYSetMode, (JSC::JSGlobalObject * globalObject, CallFrame* callFrame))
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{
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auto& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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if (callFrame->argumentCount() != 2) {
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throwTypeError(globalObject, scope, "Expected 2 arguments"_s);
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return JSValue::encode(jsUndefined());
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}
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JSValue fd = callFrame->argument(0);
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if (!fd.isNumber()) {
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throwTypeError(globalObject, scope, "fd must be a number"_s);
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return JSValue::encode(jsUndefined());
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}
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JSValue mode = callFrame->argument(1);
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if (!mode.isNumber()) {
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throwTypeError(globalObject, scope, "mode must be a number"_s);
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return JSValue::encode(jsUndefined());
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}
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// Nodejs does not throw when ttySetMode fails. An Error event is emitted instead.
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int err = Bun__ttySetMode(fd.asNumber(), mode.toInt32(globalObject));
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return JSValue::encode(jsNumber(err));
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}
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JSC_DEFINE_HOST_FUNCTION(TTYWrap_functionSetMode,
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(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
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{
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JSC::VM& vm = globalObject->vm();
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auto argCount = callFrame->argumentCount();
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auto throwScope = DECLARE_THROW_SCOPE(vm);
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if (argCount == 0) {
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JSC::throwTypeError(globalObject, throwScope, "setRawMode requires 1 argument (a number)"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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TTYWrapObject* ttyWrap = jsDynamicCast<TTYWrapObject*>(callFrame->thisValue());
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if (UNLIKELY(!ttyWrap)) {
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JSC::throwTypeError(globalObject, throwScope, "TTY.setRawMode expects a TTYWrapObject as this"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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int fd = ttyWrap->fd;
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JSValue mode = callFrame->argument(0);
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if (!mode.isNumber()) {
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throwTypeError(globalObject, throwScope, "mode must be a number"_s);
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return JSValue::encode(jsUndefined());
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}
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// Nodejs does not throw when ttySetMode fails. An Error event is emitted instead.
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int err = Bun__ttySetMode(fd, mode.toInt32(globalObject));
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return JSValue::encode(jsNumber(err));
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}
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JSC_DEFINE_HOST_FUNCTION(TTYWrap_functionGetWindowSize,
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(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
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{
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JSC::VM& vm = globalObject->vm();
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auto argCount = callFrame->argumentCount();
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auto throwScope = DECLARE_THROW_SCOPE(vm);
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if (argCount == 0) {
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JSC::throwTypeError(globalObject, throwScope, "getWindowSize requires 1 argument (an array)"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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TTYWrapObject* ttyWrap = jsDynamicCast<TTYWrapObject*>(callFrame->thisValue());
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if (UNLIKELY(!ttyWrap)) {
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JSC::throwTypeError(globalObject, throwScope, "TTY.getWindowSize expects a TTYWrapObject as this"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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int fd = ttyWrap->fd;
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JSC::JSArray* array = jsDynamicCast<JSC::JSArray*>(callFrame->uncheckedArgument(0));
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if (!array || array->length() < 2) {
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JSC::throwTypeError(globalObject, throwScope, "getWindowSize expects an array"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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size_t width, height;
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if (!getWindowSize(fd, &width, &height)) {
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return JSC::JSValue::encode(jsBoolean(false));
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}
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array->putDirectIndex(globalObject, 0, jsNumber(width));
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array->putDirectIndex(globalObject, 1, jsNumber(height));
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return JSC::JSValue::encode(jsBoolean(true));
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}
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JSC_DEFINE_HOST_FUNCTION(Process_functionInternalGetWindowSize,
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(JSC::JSGlobalObject * globalObject, JSC::CallFrame* callFrame))
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{
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JSC::VM& vm = globalObject->vm();
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auto argCount = callFrame->argumentCount();
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auto throwScope = DECLARE_THROW_SCOPE(vm);
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if (argCount == 0) {
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JSC::throwTypeError(globalObject, throwScope, "getWindowSize requires 2 argument (a file descriptor)"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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int fd = callFrame->uncheckedArgument(0).toInt32(globalObject);
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RETURN_IF_EXCEPTION(throwScope, {});
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JSC::JSArray* array = jsDynamicCast<JSC::JSArray*>(callFrame->uncheckedArgument(1));
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if (!array || array->length() < 2) {
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JSC::throwTypeError(globalObject, throwScope, "getWindowSize requires 2 argument (an array)"_s);
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return JSC::JSValue::encode(JSC::JSValue {});
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}
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size_t width, height;
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if (!getWindowSize(fd, &width, &height)) {
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return JSC::JSValue::encode(jsBoolean(false));
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}
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array->putDirectIndex(globalObject, 0, jsNumber(width));
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array->putDirectIndex(globalObject, 1, jsNumber(height));
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return JSC::JSValue::encode(jsBoolean(true));
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}
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static const HashTableValue TTYWrapPrototypeValues[] = {
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{ "getWindowSize"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, TTYWrap_functionGetWindowSize, 1 } },
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{ "setRawMode"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, TTYWrap_functionSetMode, 0 } },
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};
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class TTYWrapPrototype final : public JSC::JSNonFinalObject {
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public:
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DECLARE_INFO;
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using Base = JSC::JSNonFinalObject;
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static Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject)
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{
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return Structure::create(vm, globalObject, globalObject->objectPrototype(), TypeInfo(ObjectType, StructureFlags), info());
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}
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static TTYWrapPrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
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{
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TTYWrapPrototype* prototype = new (NotNull, JSC::allocateCell<TTYWrapPrototype>(vm)) TTYWrapPrototype(vm, structure);
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prototype->finishCreation(vm, globalObject);
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return prototype;
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}
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template<typename CellType, JSC::SubspaceAccess>
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static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
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{
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STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(TTYWrapPrototype, Base);
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return &vm.plainObjectSpace();
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}
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void finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject)
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{
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Base::finishCreation(vm);
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auto* clientData = WebCore::clientData(vm);
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auto& builtinNames = clientData->builtinNames();
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reifyStaticProperties(vm, TTYWrapObject::info(), TTYWrapPrototypeValues, *this);
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JSC_TO_STRING_TAG_WITHOUT_TRANSITION();
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}
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TTYWrapPrototype(JSC::VM& vm, JSC::Structure* structure)
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: Base(vm, structure)
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{
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}
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};
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const ClassInfo TTYWrapPrototype::s_info = {
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"LibuvStreamWrap"_s,
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&Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(TTYWrapPrototype)
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};
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class TTYWrapConstructor final : public JSC::InternalFunction {
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public:
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using Base = JSC::InternalFunction;
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static TTYWrapConstructor* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, JSObject* prototype)
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{
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TTYWrapConstructor* constructor = new (NotNull, JSC::allocateCell<TTYWrapConstructor>(vm)) TTYWrapConstructor(vm, structure);
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constructor->finishCreation(vm, globalObject, prototype);
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return constructor;
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}
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static constexpr unsigned StructureFlags = Base::StructureFlags;
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static constexpr bool needsDestruction = false;
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static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
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{
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return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
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}
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template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
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{
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if constexpr (mode == JSC::SubspaceAccess::Concurrently)
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return nullptr;
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return &vm.internalFunctionSpace();
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}
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static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES call(JSC::JSGlobalObject* globalObject, JSC::CallFrame* callframe)
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{
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auto& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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throwTypeError(globalObject, scope, "TTYWrapConstructor cannot be called as a function"_s);
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return {};
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}
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// new TTY()
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static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES construct(JSC::JSGlobalObject* globalObject, JSC::CallFrame* callframe)
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{
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auto& vm = globalObject->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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auto* constructor = jsDynamicCast<TTYWrapConstructor*>(callframe->jsCallee());
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if (!constructor) {
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throwTypeError(globalObject, scope, "TTYWrapConstructor::construct called with wrong 'this' value"_s);
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return JSValue::encode(jsUndefined());
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}
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if (callframe->argumentCount() < 1) {
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throwTypeError(globalObject, scope, "Expected at least 1 argument"_s);
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return JSValue::encode(jsUndefined());
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}
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JSValue fd_value = callframe->argument(0);
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int32_t fd = fd_value.toInt32(globalObject);
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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if (fd < 0) {
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throwTypeError(globalObject, scope, "fd must be a positive number"_s);
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return JSValue::encode(jsUndefined());
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}
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auto prototypeValue = constructor->get(globalObject, vm.propertyNames->prototype);
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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if (!prototypeValue.isObject()) {
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throwTypeError(globalObject, scope, "TTYWrapConstructor prototype is not an object"_s);
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return {};
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}
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auto* structure = TTYWrapObject::createStructure(vm, globalObject, prototypeValue.getObject());
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auto* object = TTYWrapObject::create(vm, globalObject, structure, fd);
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return JSValue::encode(object);
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}
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DECLARE_EXPORT_INFO;
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private:
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TTYWrapConstructor(JSC::VM& vm, JSC::Structure* structure)
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: Base(vm, structure, call, construct)
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{
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}
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void finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSObject* prototype)
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{
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Base::finishCreation(vm, 1, "TTYWrap"_s);
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putDirectWithoutTransition(vm, vm.propertyNames->prototype, prototype, JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontDelete);
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}
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};
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const ClassInfo TTYWrapConstructor::s_info = { "TTY"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(TTYWrapConstructor) };
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JSValue createBunTTYFunctions(JSC::JSGlobalObject* globalObject)
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{
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auto& vm = globalObject->vm();
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auto* obj = constructEmptyObject(globalObject);
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obj->putDirect(vm, PropertyName(Identifier::fromString(vm, "isTTY"_s)), JSFunction::create(vm, globalObject, 0, "isatty"_s, Zig::jsFunctionTty_isatty, ImplementationVisibility::Public), 0);
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obj->putDirect(vm, PropertyName(Identifier::fromString(vm, "setRawMode"_s)), JSFunction::create(vm, globalObject, 0, "ttySetMode"_s, jsTTYSetMode, ImplementationVisibility::Public), 0);
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obj->putDirect(vm, PropertyName(Identifier::fromString(vm, "getWindowSize"_s)), JSFunction::create(vm, globalObject, 0, "getWindowSize"_s, Bun::Process_functionInternalGetWindowSize, ImplementationVisibility::Public), 0);
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return obj;
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}
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JSValue createNodeTTYWrapObject(JSC::JSGlobalObject* globalObject)
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{
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auto& vm = globalObject->vm();
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auto* obj = constructEmptyObject(globalObject);
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obj->putDirect(vm, PropertyName(Identifier::fromString(vm, "isTTY"_s)), JSFunction::create(vm, globalObject, 0, "isatty"_s, Zig::jsFunctionTty_isatty, ImplementationVisibility::Public), 0);
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TTYWrapPrototype* prototype = TTYWrapPrototype::create(vm, globalObject, TTYWrapPrototype::createStructure(vm, globalObject));
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TTYWrapConstructor* constructor = TTYWrapConstructor::create(vm, globalObject, TTYWrapConstructor::createStructure(vm, globalObject, globalObject->functionPrototype()), prototype);
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obj->putDirect(vm, Identifier::fromString(vm, "TTY"_s), constructor, JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontDelete);
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return obj;
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}
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} |