mirror of
https://github.com/oven-sh/bun
synced 2026-02-13 12:29:07 +00:00
112 lines
4.4 KiB
C++
112 lines
4.4 KiB
C++
#include "root.h"
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#include "ZigGeneratedClasses.h"
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#include <JavaScriptCore/ObjectConstructor.h>
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#include <JavaScriptCore/InternalFunction.h>
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#include <JavaScriptCore/FunctionPrototype.h>
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#include "JSDOMFile.h"
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using namespace JSC;
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extern "C" SYSV_ABI void* JSDOMFile__construct(JSC::JSGlobalObject*, JSC::CallFrame* callframe);
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extern "C" SYSV_ABI bool JSDOMFile__hasInstance(EncodedJSValue, JSC::JSGlobalObject*, EncodedJSValue);
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// TODO: make this inehrit from JSBlob instead of InternalFunction
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// That will let us remove this hack for [Symbol.hasInstance] and fix the prototype chain.
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class JSDOMFile : public JSC::InternalFunction {
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using Base = JSC::InternalFunction;
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public:
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JSDOMFile(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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DECLARE_INFO;
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static constexpr unsigned StructureFlags = (Base::StructureFlags & ~ImplementsDefaultHasInstance) | ImplementsHasInstance;
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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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return &vm.internalFunctionSpace();
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}
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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(InternalFunctionType, StructureFlags), info());
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}
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void finishCreation(JSC::VM& vm)
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{
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Base::finishCreation(vm, 2, "File"_s);
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}
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static JSDOMFile* create(JSC::VM& vm, JSGlobalObject* globalObject)
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{
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auto* zigGlobal = defaultGlobalObject(globalObject);
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auto structure = createStructure(vm, globalObject, zigGlobal->functionPrototype());
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auto* object = new (NotNull, JSC::allocateCell<JSDOMFile>(vm)) JSDOMFile(vm, structure);
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object->finishCreation(vm);
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// This is not quite right. But we'll fix it if someone files an issue about it.
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object->putDirect(vm, vm.propertyNames->prototype, zigGlobal->JSBlobPrototype(), JSC::PropertyAttribute::DontEnum | JSC::PropertyAttribute::DontDelete | JSC::PropertyAttribute::ReadOnly | 0);
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return object;
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}
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static bool customHasInstance(JSObject* object, JSGlobalObject* globalObject, JSValue value)
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{
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if (!value.isObject())
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return false;
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// Note: this breaks [Symbol.hasInstance]
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// We must do this for now until we update the code generator to export classes
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return JSDOMFile__hasInstance(JSValue::encode(object), globalObject, JSValue::encode(value));
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}
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static JSC_HOST_CALL_ATTRIBUTES JSC::EncodedJSValue construct(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
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{
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auto* globalObject = defaultGlobalObject(lexicalGlobalObject);
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auto& vm = JSC::getVM(globalObject);
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JSObject* newTarget = asObject(callFrame->newTarget());
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auto* constructor = globalObject->JSDOMFileConstructor();
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Structure* structure = globalObject->JSBlobStructure();
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if (constructor != newTarget) {
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auto scope = DECLARE_THROW_SCOPE(vm);
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auto* functionGlobalObject = reinterpret_cast<Zig::GlobalObject*>(
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// ShadowRealm functions belong to a different global object.
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getFunctionRealm(lexicalGlobalObject, newTarget));
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RETURN_IF_EXCEPTION(scope, {});
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structure = InternalFunction::createSubclassStructure(lexicalGlobalObject, newTarget, functionGlobalObject->JSBlobStructure());
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RETURN_IF_EXCEPTION(scope, {});
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}
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void* ptr = JSDOMFile__construct(lexicalGlobalObject, callFrame);
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if (!ptr) [[unlikely]] {
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return JSValue::encode(JSC::jsUndefined());
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}
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return JSValue::encode(
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WebCore::JSBlob::create(vm, globalObject, structure, ptr));
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}
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static JSC_HOST_CALL_ATTRIBUTES EncodedJSValue call(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame)
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{
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auto scope = DECLARE_THROW_SCOPE(lexicalGlobalObject->vm());
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throwTypeError(lexicalGlobalObject, scope, "Class constructor File cannot be invoked without 'new'"_s);
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return {};
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}
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};
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const JSC::ClassInfo JSDOMFile::s_info = { "File"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSDOMFile) };
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namespace Bun {
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JSC::JSObject* createJSDOMFileConstructor(JSC::VM& vm, JSC::JSGlobalObject* globalObject)
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{
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return JSDOMFile::create(vm, globalObject);
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}
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}
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