diff options
Diffstat (limited to 'src/bun.js')
20 files changed, 2084 insertions, 10 deletions
diff --git a/src/bun.js/bindings/JSSink.cpp b/src/bun.js/bindings/JSSink.cpp index 36be334dd..4acf01ff7 100644 --- a/src/bun.js/bindings/JSSink.cpp +++ b/src/bun.js/bindings/JSSink.cpp @@ -1,6 +1,6 @@ // AUTO-GENERATED FILE. DO NOT EDIT. -// Generated by 'make generate-sink' at 2023-05-18T01:04:00.447Z +// Generated by 'make generate-sink' at 2023-06-14T21:38:04.394Z // To regenerate this file, run: // // make generate-sink diff --git a/src/bun.js/bindings/JSSink.h b/src/bun.js/bindings/JSSink.h index 5bbfab777..37c458e9b 100644 --- a/src/bun.js/bindings/JSSink.h +++ b/src/bun.js/bindings/JSSink.h @@ -1,6 +1,6 @@ // AUTO-GENERATED FILE. DO NOT EDIT. -// Generated by 'make generate-sink' at 2023-05-18T01:04:00.446Z +// Generated by 'make generate-sink' at 2023-06-14T21:38:04.394Z // #pragma once diff --git a/src/bun.js/bindings/JSSinkLookupTable.h b/src/bun.js/bindings/JSSinkLookupTable.h index a4ace6dc3..e4ed81629 100644 --- a/src/bun.js/bindings/JSSinkLookupTable.h +++ b/src/bun.js/bindings/JSSinkLookupTable.h @@ -1,4 +1,4 @@ -// Automatically generated from src/bun.js/bindings/JSSink.cpp using /Users/jarred/Code/bun/src/bun.js/WebKit/Source/JavaScriptCore/create_hash_table. DO NOT EDIT! +// Automatically generated from src/bun.js/bindings/JSSink.cpp using /home/cirospaciari/Repos/bun/src/bun.js/WebKit/Source/JavaScriptCore/create_hash_table. DO NOT EDIT! diff --git a/src/bun.js/bindings/ZigGeneratedClasses+DOMClientIsoSubspaces.h b/src/bun.js/bindings/ZigGeneratedClasses+DOMClientIsoSubspaces.h index b16febcdb..f0d491c0b 100644 --- a/src/bun.js/bindings/ZigGeneratedClasses+DOMClientIsoSubspaces.h +++ b/src/bun.js/bindings/ZigGeneratedClasses+DOMClientIsoSubspaces.h @@ -8,6 +8,7 @@ std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExpectConstructor;std: std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExpectAnything; std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExpectStringContaining; std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForExpectStringMatching; +std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFSWatcher; std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemRouter; std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForFileSystemRouterConstructor;std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForListener; std::unique_ptr<GCClient::IsoSubspace> m_clientSubspaceForMD4; diff --git a/src/bun.js/bindings/ZigGeneratedClasses+DOMIsoSubspaces.h b/src/bun.js/bindings/ZigGeneratedClasses+DOMIsoSubspaces.h index 59263e62c..02a9adbca 100644 --- a/src/bun.js/bindings/ZigGeneratedClasses+DOMIsoSubspaces.h +++ b/src/bun.js/bindings/ZigGeneratedClasses+DOMIsoSubspaces.h @@ -8,6 +8,7 @@ std::unique_ptr<IsoSubspace> m_subspaceForExpectConstructor;std::unique_ptr<IsoS std::unique_ptr<IsoSubspace> m_subspaceForExpectAnything; std::unique_ptr<IsoSubspace> m_subspaceForExpectStringContaining; std::unique_ptr<IsoSubspace> m_subspaceForExpectStringMatching; +std::unique_ptr<IsoSubspace> m_subspaceForFSWatcher; std::unique_ptr<IsoSubspace> m_subspaceForFileSystemRouter; std::unique_ptr<IsoSubspace> m_subspaceForFileSystemRouterConstructor;std::unique_ptr<IsoSubspace> m_subspaceForListener; std::unique_ptr<IsoSubspace> m_subspaceForMD4; diff --git a/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureHeader.h b/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureHeader.h index 4471fbab3..ac03032e6 100644 --- a/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureHeader.h +++ b/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureHeader.h @@ -58,6 +58,12 @@ JSC::Structure* JSExpectStringMatchingStructure() { return m_JSExpectStringMatch JSC::LazyClassStructure m_JSExpectStringMatching; bool hasJSExpectStringMatchingSetterValue { false }; mutable JSC::WriteBarrier<JSC::Unknown> m_JSExpectStringMatchingSetterValue; +JSC::Structure* JSFSWatcherStructure() { return m_JSFSWatcher.getInitializedOnMainThread(this); } + JSC::JSObject* JSFSWatcherConstructor() { return m_JSFSWatcher.constructorInitializedOnMainThread(this); } + JSC::JSValue JSFSWatcherPrototype() { return m_JSFSWatcher.prototypeInitializedOnMainThread(this); } + JSC::LazyClassStructure m_JSFSWatcher; + bool hasJSFSWatcherSetterValue { false }; + mutable JSC::WriteBarrier<JSC::Unknown> m_JSFSWatcherSetterValue; JSC::Structure* JSFileSystemRouterStructure() { return m_JSFileSystemRouter.getInitializedOnMainThread(this); } JSC::JSObject* JSFileSystemRouterConstructor() { return m_JSFileSystemRouter.constructorInitializedOnMainThread(this); } JSC::JSValue JSFileSystemRouterPrototype() { return m_JSFileSystemRouter.prototypeInitializedOnMainThread(this); } diff --git a/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h b/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h index 4e5a2c1fa..b3b5327a4 100644 --- a/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h +++ b/src/bun.js/bindings/ZigGeneratedClasses+lazyStructureImpl.h @@ -59,6 +59,12 @@ void GlobalObject::initGeneratedLazyClasses() { init.setStructure(WebCore::JSExpectStringMatching::createStructure(init.vm, init.global, init.prototype)); }); + m_JSFSWatcher.initLater( + [](LazyClassStructure::Initializer& init) { + init.setPrototype(WebCore::JSFSWatcher::createPrototype(init.vm, reinterpret_cast<Zig::GlobalObject*>(init.global))); + init.setStructure(WebCore::JSFSWatcher::createStructure(init.vm, init.global, init.prototype)); + + }); m_JSFileSystemRouter.initLater( [](LazyClassStructure::Initializer& init) { init.setPrototype(WebCore::JSFileSystemRouter::createPrototype(init.vm, reinterpret_cast<Zig::GlobalObject*>(init.global))); @@ -211,6 +217,7 @@ void GlobalObject::visitGeneratedLazyClasses(GlobalObject *thisObject, Visitor& thisObject->m_JSExpectAnything.visit(visitor); visitor.append(thisObject->m_JSExpectAnythingSetterValue); thisObject->m_JSExpectStringContaining.visit(visitor); visitor.append(thisObject->m_JSExpectStringContainingSetterValue); thisObject->m_JSExpectStringMatching.visit(visitor); visitor.append(thisObject->m_JSExpectStringMatchingSetterValue); + thisObject->m_JSFSWatcher.visit(visitor); visitor.append(thisObject->m_JSFSWatcherSetterValue); thisObject->m_JSFileSystemRouter.visit(visitor); visitor.append(thisObject->m_JSFileSystemRouterSetterValue); thisObject->m_JSListener.visit(visitor); visitor.append(thisObject->m_JSListenerSetterValue); thisObject->m_JSMD4.visit(visitor); visitor.append(thisObject->m_JSMD4SetterValue); diff --git a/src/bun.js/bindings/ZigGeneratedClasses.cpp b/src/bun.js/bindings/ZigGeneratedClasses.cpp index d51a1959a..e0a3f33d6 100644 --- a/src/bun.js/bindings/ZigGeneratedClasses.cpp +++ b/src/bun.js/bindings/ZigGeneratedClasses.cpp @@ -5381,6 +5381,297 @@ void JSExpectStringMatching::visitOutputConstraintsImpl(JSCell* cell, Visitor& v } DEFINE_VISIT_OUTPUT_CONSTRAINTS(JSExpectStringMatching); +class JSFSWatcherPrototype final : public JSC::JSNonFinalObject { +public: + using Base = JSC::JSNonFinalObject; + + static JSFSWatcherPrototype* create(JSC::VM& vm, JSGlobalObject* globalObject, JSC::Structure* structure) + { + JSFSWatcherPrototype* ptr = new (NotNull, JSC::allocateCell<JSFSWatcherPrototype>(vm)) JSFSWatcherPrototype(vm, globalObject, structure); + ptr->finishCreation(vm, globalObject); + return ptr; + } + + DECLARE_INFO; + template<typename CellType, JSC::SubspaceAccess> + static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm) + { + return &vm.plainObjectSpace(); + } + static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) + { + return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info()); + } + +private: + JSFSWatcherPrototype(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure) + : Base(vm, structure) + { + } + + void finishCreation(JSC::VM&, JSC::JSGlobalObject*); +}; + +extern "C" void FSWatcherClass__finalize(void*); + +extern "C" EncodedJSValue FSWatcherPrototype__doClose(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); +JSC_DECLARE_HOST_FUNCTION(FSWatcherPrototype__closeCallback); + +extern "C" EncodedJSValue FSWatcherPrototype__hasRef(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); +JSC_DECLARE_HOST_FUNCTION(FSWatcherPrototype__hasRefCallback); + +extern "C" EncodedJSValue FSWatcherPrototype__doRef(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); +JSC_DECLARE_HOST_FUNCTION(FSWatcherPrototype__refCallback); + +extern "C" EncodedJSValue FSWatcherPrototype__doUnref(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); +JSC_DECLARE_HOST_FUNCTION(FSWatcherPrototype__unrefCallback); + +STATIC_ASSERT_ISO_SUBSPACE_SHARABLE(JSFSWatcherPrototype, JSFSWatcherPrototype::Base); + +static const HashTableValue JSFSWatcherPrototypeTableValues[] = { + { "close"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, FSWatcherPrototype__closeCallback, 0 } }, + { "hasRef"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, FSWatcherPrototype__hasRefCallback, 0 } }, + { "ref"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, FSWatcherPrototype__refCallback, 0 } }, + { "unref"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, FSWatcherPrototype__unrefCallback, 0 } } +}; + +const ClassInfo JSFSWatcherPrototype::s_info = { "FSWatcher"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFSWatcherPrototype) }; + +JSC_DEFINE_HOST_FUNCTION(FSWatcherPrototype__closeCallback, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + auto& vm = lexicalGlobalObject->vm(); + + JSFSWatcher* thisObject = jsDynamicCast<JSFSWatcher*>(callFrame->thisValue()); + + if (UNLIKELY(!thisObject)) { + auto throwScope = DECLARE_THROW_SCOPE(vm); + return throwVMTypeError(lexicalGlobalObject, throwScope); + } + + JSC::EnsureStillAliveScope thisArg = JSC::EnsureStillAliveScope(thisObject); + +#ifdef BUN_DEBUG + /** View the file name of the JS file that called this function + * from a debugger */ + SourceOrigin sourceOrigin = callFrame->callerSourceOrigin(vm); + const char* fileName = sourceOrigin.string().utf8().data(); + static const char* lastFileName = nullptr; + if (lastFileName != fileName) { + lastFileName = fileName; + } +#endif + + return FSWatcherPrototype__doClose(thisObject->wrapped(), lexicalGlobalObject, callFrame); +} + +JSC_DEFINE_HOST_FUNCTION(FSWatcherPrototype__hasRefCallback, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + auto& vm = lexicalGlobalObject->vm(); + + JSFSWatcher* thisObject = jsDynamicCast<JSFSWatcher*>(callFrame->thisValue()); + + if (UNLIKELY(!thisObject)) { + auto throwScope = DECLARE_THROW_SCOPE(vm); + return throwVMTypeError(lexicalGlobalObject, throwScope); + } + + JSC::EnsureStillAliveScope thisArg = JSC::EnsureStillAliveScope(thisObject); + +#ifdef BUN_DEBUG + /** View the file name of the JS file that called this function + * from a debugger */ + SourceOrigin sourceOrigin = callFrame->callerSourceOrigin(vm); + const char* fileName = sourceOrigin.string().utf8().data(); + static const char* lastFileName = nullptr; + if (lastFileName != fileName) { + lastFileName = fileName; + } +#endif + + return FSWatcherPrototype__hasRef(thisObject->wrapped(), lexicalGlobalObject, callFrame); +} + +JSC_DEFINE_HOST_FUNCTION(FSWatcherPrototype__refCallback, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + auto& vm = lexicalGlobalObject->vm(); + + JSFSWatcher* thisObject = jsDynamicCast<JSFSWatcher*>(callFrame->thisValue()); + + if (UNLIKELY(!thisObject)) { + auto throwScope = DECLARE_THROW_SCOPE(vm); + return throwVMTypeError(lexicalGlobalObject, throwScope); + } + + JSC::EnsureStillAliveScope thisArg = JSC::EnsureStillAliveScope(thisObject); + +#ifdef BUN_DEBUG + /** View the file name of the JS file that called this function + * from a debugger */ + SourceOrigin sourceOrigin = callFrame->callerSourceOrigin(vm); + const char* fileName = sourceOrigin.string().utf8().data(); + static const char* lastFileName = nullptr; + if (lastFileName != fileName) { + lastFileName = fileName; + } +#endif + + return FSWatcherPrototype__doRef(thisObject->wrapped(), lexicalGlobalObject, callFrame); +} + +JSC_DEFINE_HOST_FUNCTION(FSWatcherPrototype__unrefCallback, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + auto& vm = lexicalGlobalObject->vm(); + + JSFSWatcher* thisObject = jsDynamicCast<JSFSWatcher*>(callFrame->thisValue()); + + if (UNLIKELY(!thisObject)) { + auto throwScope = DECLARE_THROW_SCOPE(vm); + return throwVMTypeError(lexicalGlobalObject, throwScope); + } + + JSC::EnsureStillAliveScope thisArg = JSC::EnsureStillAliveScope(thisObject); + +#ifdef BUN_DEBUG + /** View the file name of the JS file that called this function + * from a debugger */ + SourceOrigin sourceOrigin = callFrame->callerSourceOrigin(vm); + const char* fileName = sourceOrigin.string().utf8().data(); + static const char* lastFileName = nullptr; + if (lastFileName != fileName) { + lastFileName = fileName; + } +#endif + + return FSWatcherPrototype__doUnref(thisObject->wrapped(), lexicalGlobalObject, callFrame); +} + +extern "C" void FSWatcherPrototype__listenerSetCachedValue(JSC::EncodedJSValue thisValue, JSC::JSGlobalObject* globalObject, JSC::EncodedJSValue value) +{ + auto& vm = globalObject->vm(); + auto* thisObject = jsCast<JSFSWatcher*>(JSValue::decode(thisValue)); + thisObject->m_listener.set(vm, thisObject, JSValue::decode(value)); +} + +extern "C" EncodedJSValue FSWatcherPrototype__listenerGetCachedValue(JSC::EncodedJSValue thisValue) +{ + auto* thisObject = jsCast<JSFSWatcher*>(JSValue::decode(thisValue)); + return JSValue::encode(thisObject->m_listener.get()); +} + +void JSFSWatcherPrototype::finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject) +{ + Base::finishCreation(vm); + reifyStaticProperties(vm, JSFSWatcher::info(), JSFSWatcherPrototypeTableValues, *this); + JSC_TO_STRING_TAG_WITHOUT_TRANSITION(); +} + +JSFSWatcher::~JSFSWatcher() +{ + if (m_ctx) { + FSWatcherClass__finalize(m_ctx); + } +} +void JSFSWatcher::destroy(JSCell* cell) +{ + static_cast<JSFSWatcher*>(cell)->JSFSWatcher::~JSFSWatcher(); +} + +const ClassInfo JSFSWatcher::s_info = { "FSWatcher"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(JSFSWatcher) }; + +void JSFSWatcher::finishCreation(VM& vm) +{ + Base::finishCreation(vm); + ASSERT(inherits(info())); +} + +JSFSWatcher* JSFSWatcher::create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, void* ctx) +{ + JSFSWatcher* ptr = new (NotNull, JSC::allocateCell<JSFSWatcher>(vm)) JSFSWatcher(vm, structure, ctx); + ptr->finishCreation(vm); + return ptr; +} + +extern "C" void* FSWatcher__fromJS(JSC::EncodedJSValue value) +{ + JSC::JSValue decodedValue = JSC::JSValue::decode(value); + if (decodedValue.isEmpty() || !decodedValue.isCell()) + return nullptr; + + JSC::JSCell* cell = decodedValue.asCell(); + JSFSWatcher* object = JSC::jsDynamicCast<JSFSWatcher*>(cell); + + if (!object) + return nullptr; + + return object->wrapped(); +} + +extern "C" bool FSWatcher__dangerouslySetPtr(JSC::EncodedJSValue value, void* ptr) +{ + JSFSWatcher* object = JSC::jsDynamicCast<JSFSWatcher*>(JSValue::decode(value)); + if (!object) + return false; + + object->m_ctx = ptr; + return true; +} + +extern "C" const size_t FSWatcher__ptrOffset = JSFSWatcher::offsetOfWrapped(); + +void JSFSWatcher::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer) +{ + auto* thisObject = jsCast<JSFSWatcher*>(cell); + if (void* wrapped = thisObject->wrapped()) { + // if (thisObject->scriptExecutionContext()) + // analyzer.setLabelForCell(cell, "url " + thisObject->scriptExecutionContext()->url().string()); + } + Base::analyzeHeap(cell, analyzer); +} + +JSObject* JSFSWatcher::createPrototype(VM& vm, JSDOMGlobalObject* globalObject) +{ + return JSFSWatcherPrototype::create(vm, globalObject, JSFSWatcherPrototype::createStructure(vm, globalObject, globalObject->objectPrototype())); +} + +extern "C" EncodedJSValue FSWatcher__create(Zig::GlobalObject* globalObject, void* ptr) +{ + auto& vm = globalObject->vm(); + JSC::Structure* structure = globalObject->JSFSWatcherStructure(); + JSFSWatcher* instance = JSFSWatcher::create(vm, globalObject, structure, ptr); + + return JSValue::encode(instance); +} + +template<typename Visitor> +void JSFSWatcher::visitChildrenImpl(JSCell* cell, Visitor& visitor) +{ + JSFSWatcher* thisObject = jsCast<JSFSWatcher*>(cell); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + Base::visitChildren(thisObject, visitor); + visitor.append(thisObject->m_listener); +} + +DEFINE_VISIT_CHILDREN(JSFSWatcher); + +template<typename Visitor> +void JSFSWatcher::visitAdditionalChildren(Visitor& visitor) +{ + JSFSWatcher* thisObject = this; + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + visitor.append(thisObject->m_listener); +} + +DEFINE_VISIT_ADDITIONAL_CHILDREN(JSFSWatcher); + +template<typename Visitor> +void JSFSWatcher::visitOutputConstraintsImpl(JSCell* cell, Visitor& visitor) +{ + JSFSWatcher* thisObject = jsCast<JSFSWatcher*>(cell); + ASSERT_GC_OBJECT_INHERITS(thisObject, info()); + thisObject->visitAdditionalChildren<Visitor>(visitor); +} + +DEFINE_VISIT_OUTPUT_CONSTRAINTS(JSFSWatcher); class JSFileSystemRouterPrototype final : public JSC::JSNonFinalObject { public: using Base = JSC::JSNonFinalObject; @@ -7654,6 +7945,9 @@ JSC_DECLARE_HOST_FUNCTION(NodeJSFSPrototype__utimesCallback); extern "C" EncodedJSValue NodeJSFSPrototype__utimesSync(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); JSC_DECLARE_HOST_FUNCTION(NodeJSFSPrototype__utimesSyncCallback); +extern "C" EncodedJSValue NodeJSFSPrototype__watch(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); +JSC_DECLARE_HOST_FUNCTION(NodeJSFSPrototype__watchCallback); + extern "C" EncodedJSValue NodeJSFSPrototype__write(void* ptr, JSC::JSGlobalObject* lexicalGlobalObject, JSC::CallFrame* callFrame); JSC_DECLARE_HOST_FUNCTION(NodeJSFSPrototype__writeCallback); @@ -7751,6 +8045,7 @@ static const HashTableValue JSNodeJSFSPrototypeTableValues[] = { { "unlinkSync"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__unlinkSyncCallback, 1 } }, { "utimes"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__utimesCallback, 4 } }, { "utimesSync"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__utimesSyncCallback, 3 } }, + { "watch"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__watchCallback, 3 } }, { "write"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__writeCallback, 6 } }, { "writeFile"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__writeFileCallback, 4 } }, { "writeFileSync"_s, static_cast<unsigned>(JSC::PropertyAttribute::Function | PropertyAttribute::DontDelete), NoIntrinsic, { HashTableValue::NativeFunctionType, NodeJSFSPrototype__writeFileSyncCallback, 3 } }, @@ -9795,6 +10090,33 @@ JSC_DEFINE_HOST_FUNCTION(NodeJSFSPrototype__utimesSyncCallback, (JSGlobalObject return NodeJSFSPrototype__utimesSync(thisObject->wrapped(), lexicalGlobalObject, callFrame); } +JSC_DEFINE_HOST_FUNCTION(NodeJSFSPrototype__watchCallback, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) +{ + auto& vm = lexicalGlobalObject->vm(); + + JSNodeJSFS* thisObject = jsDynamicCast<JSNodeJSFS*>(callFrame->thisValue()); + + if (UNLIKELY(!thisObject)) { + auto throwScope = DECLARE_THROW_SCOPE(vm); + return throwVMTypeError(lexicalGlobalObject, throwScope); + } + + JSC::EnsureStillAliveScope thisArg = JSC::EnsureStillAliveScope(thisObject); + +#ifdef BUN_DEBUG + /** View the file name of the JS file that called this function + * from a debugger */ + SourceOrigin sourceOrigin = callFrame->callerSourceOrigin(vm); + const char* fileName = sourceOrigin.string().utf8().data(); + static const char* lastFileName = nullptr; + if (lastFileName != fileName) { + lastFileName = fileName; + } +#endif + + return NodeJSFSPrototype__watch(thisObject->wrapped(), lexicalGlobalObject, callFrame); +} + JSC_DEFINE_HOST_FUNCTION(NodeJSFSPrototype__writeCallback, (JSGlobalObject * lexicalGlobalObject, CallFrame* callFrame)) { auto& vm = lexicalGlobalObject->vm(); diff --git a/src/bun.js/bindings/ZigGeneratedClasses.h b/src/bun.js/bindings/ZigGeneratedClasses.h index 668cd3f6b..3fa0e26d2 100644 --- a/src/bun.js/bindings/ZigGeneratedClasses.h +++ b/src/bun.js/bindings/ZigGeneratedClasses.h @@ -578,6 +578,62 @@ public: mutable JSC::WriteBarrier<JSC::Unknown> m_testValue; }; +class JSFSWatcher final : public JSC::JSDestructibleObject { +public: + using Base = JSC::JSDestructibleObject; + static JSFSWatcher* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, void* ctx); + + DECLARE_EXPORT_INFO; + template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm) + { + if constexpr (mode == JSC::SubspaceAccess::Concurrently) + return nullptr; + return WebCore::subspaceForImpl<JSFSWatcher, WebCore::UseCustomHeapCellType::No>( + vm, + [](auto& spaces) { return spaces.m_clientSubspaceForFSWatcher.get(); }, + [](auto& spaces, auto&& space) { spaces.m_clientSubspaceForFSWatcher = std::forward<decltype(space)>(space); }, + [](auto& spaces) { return spaces.m_subspaceForFSWatcher.get(); }, + [](auto& spaces, auto&& space) { spaces.m_subspaceForFSWatcher = std::forward<decltype(space)>(space); }); + } + + static void destroy(JSC::JSCell*); + static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype) + { + return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(static_cast<JSC::JSType>(0b11101110), StructureFlags), info()); + } + + static JSObject* createPrototype(VM& vm, JSDOMGlobalObject* globalObject); + ; + + ~JSFSWatcher(); + + void* wrapped() const { return m_ctx; } + + void detach() + { + m_ctx = nullptr; + } + + static void analyzeHeap(JSCell*, JSC::HeapAnalyzer&); + static ptrdiff_t offsetOfWrapped() { return OBJECT_OFFSETOF(JSFSWatcher, m_ctx); } + + void* m_ctx { nullptr }; + + JSFSWatcher(JSC::VM& vm, JSC::Structure* structure, void* sinkPtr) + : Base(vm, structure) + { + m_ctx = sinkPtr; + } + + void finishCreation(JSC::VM&); + + DECLARE_VISIT_CHILDREN; + template<typename Visitor> void visitAdditionalChildren(Visitor&); + DECLARE_VISIT_OUTPUT_CONSTRAINTS; + + mutable JSC::WriteBarrier<JSC::Unknown> m_listener; +}; + class JSFileSystemRouter final : public JSC::JSDestructibleObject { public: using Base = JSC::JSDestructibleObject; diff --git a/src/bun.js/bindings/generated_classes.zig b/src/bun.js/bindings/generated_classes.zig index 0ec65a469..74e30cd83 100644 --- a/src/bun.js/bindings/generated_classes.zig +++ b/src/bun.js/bindings/generated_classes.zig @@ -1406,6 +1406,96 @@ pub const JSExpectStringMatching = struct { } } }; +pub const JSFSWatcher = struct { + const FSWatcher = Classes.FSWatcher; + const GetterType = fn (*FSWatcher, *JSC.JSGlobalObject) callconv(.C) JSC.JSValue; + const GetterTypeWithThisValue = fn (*FSWatcher, JSC.JSValue, *JSC.JSGlobalObject) callconv(.C) JSC.JSValue; + const SetterType = fn (*FSWatcher, *JSC.JSGlobalObject, JSC.JSValue) callconv(.C) bool; + const SetterTypeWithThisValue = fn (*FSWatcher, JSC.JSValue, *JSC.JSGlobalObject, JSC.JSValue) callconv(.C) bool; + const CallbackType = fn (*FSWatcher, *JSC.JSGlobalObject, *JSC.CallFrame) callconv(.C) JSC.JSValue; + + /// Return the pointer to the wrapped object. + /// If the object does not match the type, return null. + pub fn fromJS(value: JSC.JSValue) ?*FSWatcher { + JSC.markBinding(@src()); + return FSWatcher__fromJS(value); + } + + extern fn FSWatcherPrototype__listenerSetCachedValue(JSC.JSValue, *JSC.JSGlobalObject, JSC.JSValue) void; + + extern fn FSWatcherPrototype__listenerGetCachedValue(JSC.JSValue) JSC.JSValue; + + /// `FSWatcher.listener` setter + /// This value will be visited by the garbage collector. + pub fn listenerSetCached(thisValue: JSC.JSValue, globalObject: *JSC.JSGlobalObject, value: JSC.JSValue) void { + JSC.markBinding(@src()); + FSWatcherPrototype__listenerSetCachedValue(thisValue, globalObject, value); + } + + /// `FSWatcher.listener` getter + /// This value will be visited by the garbage collector. + pub fn listenerGetCached(thisValue: JSC.JSValue) ?JSC.JSValue { + JSC.markBinding(@src()); + const result = FSWatcherPrototype__listenerGetCachedValue(thisValue); + if (result == .zero) + return null; + + return result; + } + + /// Create a new instance of FSWatcher + pub fn toJS(this: *FSWatcher, globalObject: *JSC.JSGlobalObject) JSC.JSValue { + JSC.markBinding(@src()); + if (comptime Environment.allow_assert) { + const value__ = FSWatcher__create(globalObject, this); + std.debug.assert(value__.as(FSWatcher).? == this); // If this fails, likely a C ABI issue. + return value__; + } else { + return FSWatcher__create(globalObject, this); + } + } + + /// Modify the internal ptr to point to a new instance of FSWatcher. + pub fn dangerouslySetPtr(value: JSC.JSValue, ptr: ?*FSWatcher) bool { + JSC.markBinding(@src()); + return FSWatcher__dangerouslySetPtr(value, ptr); + } + + /// Detach the ptr from the thisValue + pub fn detachPtr(_: *FSWatcher, value: JSC.JSValue) void { + JSC.markBinding(@src()); + std.debug.assert(FSWatcher__dangerouslySetPtr(value, null)); + } + + extern fn FSWatcher__fromJS(JSC.JSValue) ?*FSWatcher; + extern fn FSWatcher__getConstructor(*JSC.JSGlobalObject) JSC.JSValue; + + extern fn FSWatcher__create(globalObject: *JSC.JSGlobalObject, ptr: ?*FSWatcher) JSC.JSValue; + + extern fn FSWatcher__dangerouslySetPtr(JSC.JSValue, ?*FSWatcher) bool; + + comptime { + if (@TypeOf(FSWatcher.finalize) != (fn (*FSWatcher) callconv(.C) void)) { + @compileLog("FSWatcher.finalize is not a finalizer"); + } + + if (@TypeOf(FSWatcher.doClose) != CallbackType) + @compileLog("Expected FSWatcher.doClose to be a callback but received " ++ @typeName(@TypeOf(FSWatcher.doClose))); + if (@TypeOf(FSWatcher.hasRef) != CallbackType) + @compileLog("Expected FSWatcher.hasRef to be a callback but received " ++ @typeName(@TypeOf(FSWatcher.hasRef))); + if (@TypeOf(FSWatcher.doRef) != CallbackType) + @compileLog("Expected FSWatcher.doRef to be a callback but received " ++ @typeName(@TypeOf(FSWatcher.doRef))); + if (@TypeOf(FSWatcher.doUnref) != CallbackType) + @compileLog("Expected FSWatcher.doUnref to be a callback but received " ++ @typeName(@TypeOf(FSWatcher.doUnref))); + if (!JSC.is_bindgen) { + @export(FSWatcher.doClose, .{ .name = "FSWatcherPrototype__doClose" }); + @export(FSWatcher.doRef, .{ .name = "FSWatcherPrototype__doRef" }); + @export(FSWatcher.doUnref, .{ .name = "FSWatcherPrototype__doUnref" }); + @export(FSWatcher.finalize, .{ .name = "FSWatcherClass__finalize" }); + @export(FSWatcher.hasRef, .{ .name = "FSWatcherPrototype__hasRef" }); + } + } +}; pub const JSFileSystemRouter = struct { const FileSystemRouter = Classes.FileSystemRouter; const GetterType = fn (*FileSystemRouter, *JSC.JSGlobalObject) callconv(.C) JSC.JSValue; @@ -2312,6 +2402,8 @@ pub const JSNodeJSFS = struct { @compileLog("Expected NodeJSFS.utimes to be a callback but received " ++ @typeName(@TypeOf(NodeJSFS.utimes))); if (@TypeOf(NodeJSFS.utimesSync) != CallbackType) @compileLog("Expected NodeJSFS.utimesSync to be a callback but received " ++ @typeName(@TypeOf(NodeJSFS.utimesSync))); + if (@TypeOf(NodeJSFS.watch) != CallbackType) + @compileLog("Expected NodeJSFS.watch to be a callback but received " ++ @typeName(@TypeOf(NodeJSFS.watch))); if (@TypeOf(NodeJSFS.write) != CallbackType) @compileLog("Expected NodeJSFS.write to be a callback but received " ++ @typeName(@TypeOf(NodeJSFS.write))); if (@TypeOf(NodeJSFS.writeFile) != CallbackType) @@ -2402,6 +2494,7 @@ pub const JSNodeJSFS = struct { @export(NodeJSFS.unlinkSync, .{ .name = "NodeJSFSPrototype__unlinkSync" }); @export(NodeJSFS.utimes, .{ .name = "NodeJSFSPrototype__utimes" }); @export(NodeJSFS.utimesSync, .{ .name = "NodeJSFSPrototype__utimesSync" }); + @export(NodeJSFS.watch, .{ .name = "NodeJSFSPrototype__watch" }); @export(NodeJSFS.write, .{ .name = "NodeJSFSPrototype__write" }); @export(NodeJSFS.writeFile, .{ .name = "NodeJSFSPrototype__writeFile" }); @export(NodeJSFS.writeFileSync, .{ .name = "NodeJSFSPrototype__writeFileSync" }); @@ -4855,6 +4948,7 @@ comptime { _ = JSExpectAnything; _ = JSExpectStringContaining; _ = JSExpectStringMatching; + _ = JSFSWatcher; _ = JSFileSystemRouter; _ = JSListener; _ = JSMD4; diff --git a/src/bun.js/bindings/generated_classes_list.zig b/src/bun.js/bindings/generated_classes_list.zig index c54965093..d90267337 100644 --- a/src/bun.js/bindings/generated_classes_list.zig +++ b/src/bun.js/bindings/generated_classes_list.zig @@ -37,4 +37,5 @@ pub const Classes = struct { pub const BuildArtifact = JSC.API.BuildArtifact; pub const BuildMessage = JSC.BuildMessage; pub const ResolveMessage = JSC.ResolveMessage; + pub const FSWatcher = JSC.Node.FSWatcher.JSObject; }; diff --git a/src/bun.js/event_loop.zig b/src/bun.js/event_loop.zig index 0a3459d64..a3ccd16ad 100644 --- a/src/bun.js/event_loop.zig +++ b/src/bun.js/event_loop.zig @@ -224,6 +224,7 @@ pub const CppTask = opaque { const ThreadSafeFunction = JSC.napi.ThreadSafeFunction; const MicrotaskForDefaultGlobalObject = JSC.MicrotaskForDefaultGlobalObject; const HotReloadTask = JSC.HotReloader.HotReloadTask; +const FSWatchTask = JSC.Node.FSWatcher.FSWatchTask; const PollPendingModulesTask = JSC.ModuleLoader.AsyncModule.Queue; // const PromiseTask = JSInternalPromise.Completion.PromiseTask; const GetAddrInfoRequestTask = JSC.DNS.GetAddrInfoRequest.Task; @@ -242,6 +243,7 @@ pub const Task = TaggedPointerUnion(.{ HotReloadTask, PollPendingModulesTask, GetAddrInfoRequestTask, + FSWatchTask, // PromiseTask, // TimeoutTasklet, }); @@ -467,6 +469,11 @@ pub const EventLoop = struct { // special case: we return return 0; }, + .FSWatchTask => { + var transform_task: *FSWatchTask = task.get(FSWatchTask).?; + transform_task.*.run(); + transform_task.deinit(); + }, @field(Task.Tag, typeBaseName(@typeName(AnyTask))) => { var any: *AnyTask = task.get(AnyTask).?; any.run(); diff --git a/src/bun.js/javascript.zig b/src/bun.js/javascript.zig index bebfbeb18..3baa25e22 100644 --- a/src/bun.js/javascript.zig +++ b/src/bun.js/javascript.zig @@ -2609,6 +2609,13 @@ pub fn NewHotReloader(comptime Ctx: type, comptime EventLoopType: type, comptime return this.tombstones.get(key); } + pub fn onError( + _: *@This(), + err: anyerror, + ) void { + Output.prettyErrorln("<r>Watcher crashed: <red><b>{s}<r>", .{@errorName(err)}); + } + pub fn onFileUpdate( this: *@This(), events: []watcher.WatchEvent, diff --git a/src/bun.js/node/fs_events.zig b/src/bun.js/node/fs_events.zig new file mode 100644 index 000000000..a3fba5441 --- /dev/null +++ b/src/bun.js/node/fs_events.zig @@ -0,0 +1,609 @@ +const std = @import("std"); +const bun = @import("root").bun; +const Environment = bun.Environment; +const Mutex = @import("../../lock.zig").Lock; +const sync = @import("../../sync.zig"); +const Semaphore = sync.Semaphore; +const UnboundedQueue = @import("../unbounded_queue.zig").UnboundedQueue; +const TaggedPointerUnion = @import("../../tagged_pointer.zig").TaggedPointerUnion; +const string = bun.string; + +pub const CFAbsoluteTime = f64; +pub const CFTimeInterval = f64; +pub const CFArrayCallBacks = anyopaque; + +pub const FSEventStreamEventFlags = c_int; +pub const OSStatus = c_int; +pub const CFIndex = c_long; + +pub const FSEventStreamCreateFlags = u32; +pub const FSEventStreamEventId = u64; + +pub const CFStringEncoding = c_uint; + +pub const CFArrayRef = ?*anyopaque; +pub const CFAllocatorRef = ?*anyopaque; +pub const CFBundleRef = ?*anyopaque; +pub const CFDictionaryRef = ?*anyopaque; +pub const CFRunLoopRef = ?*anyopaque; +pub const CFRunLoopSourceRef = ?*anyopaque; +pub const CFStringRef = ?*anyopaque; +pub const CFTypeRef = ?*anyopaque; +pub const FSEventStreamRef = ?*anyopaque; +pub const FSEventStreamCallback = *const fn (FSEventStreamRef, ?*anyopaque, usize, ?*anyopaque, *FSEventStreamEventFlags, *FSEventStreamEventId) callconv(.C) void; + +// we only care about info and perform +pub const CFRunLoopSourceContext = extern struct { + version: CFIndex = 0, + info: *anyopaque, + retain: ?*anyopaque = null, + release: ?*anyopaque = null, + copyDescription: ?*anyopaque = null, + equal: ?*anyopaque = null, + hash: ?*anyopaque = null, + schedule: ?*anyopaque = null, + cancel: ?*anyopaque = null, + perform: *const fn (?*anyopaque) callconv(.C) void, +}; + +pub const FSEventStreamContext = extern struct { + version: CFIndex = 0, + info: ?*anyopaque = null, + pad: [3]?*anyopaque = .{ null, null, null }, +}; + +pub const kCFStringEncodingUTF8: CFStringEncoding = 0x8000100; +pub const noErr: OSStatus = 0; + +pub const kFSEventStreamCreateFlagNoDefer: c_int = 2; +pub const kFSEventStreamCreateFlagFileEvents: c_int = 16; + +pub const kFSEventStreamEventFlagEventIdsWrapped: c_int = 8; +pub const kFSEventStreamEventFlagHistoryDone: c_int = 16; +pub const kFSEventStreamEventFlagItemChangeOwner: c_int = 0x4000; +pub const kFSEventStreamEventFlagItemCreated: c_int = 0x100; +pub const kFSEventStreamEventFlagItemFinderInfoMod: c_int = 0x2000; +pub const kFSEventStreamEventFlagItemInodeMetaMod: c_int = 0x400; +pub const kFSEventStreamEventFlagItemIsDir: c_int = 0x20000; +pub const kFSEventStreamEventFlagItemModified: c_int = 0x1000; +pub const kFSEventStreamEventFlagItemRemoved: c_int = 0x200; +pub const kFSEventStreamEventFlagItemRenamed: c_int = 0x800; +pub const kFSEventStreamEventFlagItemXattrMod: c_int = 0x8000; +pub const kFSEventStreamEventFlagKernelDropped: c_int = 4; +pub const kFSEventStreamEventFlagMount: c_int = 64; +pub const kFSEventStreamEventFlagRootChanged: c_int = 32; +pub const kFSEventStreamEventFlagUnmount: c_int = 128; +pub const kFSEventStreamEventFlagUserDropped: c_int = 2; + +// Lazy function call binding. +const RTLD_LAZY = 0x1; +// Symbols exported from this image (dynamic library or bundle) +// are generally hidden and only availble to dlsym() when +// directly using the handle returned by this call to dlopen(). +const RTLD_LOCAL = 0x4; + +pub const kFSEventsModified: c_int = + kFSEventStreamEventFlagItemChangeOwner | + kFSEventStreamEventFlagItemFinderInfoMod | + kFSEventStreamEventFlagItemInodeMetaMod | + kFSEventStreamEventFlagItemModified | + kFSEventStreamEventFlagItemXattrMod; + +pub const kFSEventsRenamed: c_int = + kFSEventStreamEventFlagItemCreated | + kFSEventStreamEventFlagItemRemoved | + kFSEventStreamEventFlagItemRenamed; + +pub const kFSEventsSystem: c_int = + kFSEventStreamEventFlagUserDropped | + kFSEventStreamEventFlagKernelDropped | + kFSEventStreamEventFlagEventIdsWrapped | + kFSEventStreamEventFlagHistoryDone | + kFSEventStreamEventFlagMount | + kFSEventStreamEventFlagUnmount | + kFSEventStreamEventFlagRootChanged; + +var fsevents_mutex: Mutex = Mutex.init(); +var fsevents_default_loop_mutex: Mutex = Mutex.init(); +var fsevents_default_loop: ?*FSEventsLoop = null; + +fn dlsym(handle: ?*anyopaque, comptime Type: type, comptime symbol: [:0]const u8) ?Type { + if (std.c.dlsym(handle, symbol)) |ptr| { + return bun.cast(Type, ptr); + } + return null; +} + +pub const CoreFoundation = struct { + handle: ?*anyopaque, + ArrayCreate: *fn (CFAllocatorRef, [*]?*anyopaque, CFIndex, ?*CFArrayCallBacks) callconv(.C) CFArrayRef, + Release: *fn (CFTypeRef) callconv(.C) void, + + RunLoopAddSource: *fn (CFRunLoopRef, CFRunLoopSourceRef, CFStringRef) callconv(.C) void, + RunLoopGetCurrent: *fn () callconv(.C) CFRunLoopRef, + RunLoopRemoveSource: *fn (CFRunLoopRef, CFRunLoopSourceRef, CFStringRef) callconv(.C) void, + RunLoopRun: *fn () callconv(.C) void, + RunLoopSourceCreate: *fn (CFAllocatorRef, CFIndex, *CFRunLoopSourceContext) callconv(.C) CFRunLoopSourceRef, + RunLoopSourceSignal: *fn (CFRunLoopSourceRef) callconv(.C) void, + RunLoopStop: *fn (CFRunLoopRef) callconv(.C) void, + RunLoopWakeUp: *fn (CFRunLoopRef) callconv(.C) void, + StringCreateWithFileSystemRepresentation: *fn (CFAllocatorRef, [*]const u8) callconv(.C) CFStringRef, + RunLoopDefaultMode: *CFStringRef, + + pub fn get() CoreFoundation { + if (fsevents_cf) |cf| return cf; + fsevents_mutex.lock(); + defer fsevents_mutex.unlock(); + if (fsevents_cf) |cf| return cf; + + InitLibrary(); + + return fsevents_cf.?; + } + + // We Actually never deinit it + // pub fn deinit(this: *CoreFoundation) void { + // if(this.handle) | ptr| { + // this.handle = null; + // _ = std.c.dlclose(this.handle); + // } + // } + +}; + +pub const CoreServices = struct { + handle: ?*anyopaque, + FSEventStreamCreate: *fn (CFAllocatorRef, FSEventStreamCallback, *FSEventStreamContext, CFArrayRef, FSEventStreamEventId, CFTimeInterval, FSEventStreamCreateFlags) callconv(.C) FSEventStreamRef, + FSEventStreamInvalidate: *fn (FSEventStreamRef) callconv(.C) void, + FSEventStreamRelease: *fn (FSEventStreamRef) callconv(.C) void, + FSEventStreamScheduleWithRunLoop: *fn (FSEventStreamRef, CFRunLoopRef, CFStringRef) callconv(.C) void, + FSEventStreamStart: *fn (FSEventStreamRef) callconv(.C) c_int, + FSEventStreamStop: *fn (FSEventStreamRef) callconv(.C) void, + // libuv set it to -1 so the actual value is this + kFSEventStreamEventIdSinceNow: FSEventStreamEventId = 18446744073709551615, + + pub fn get() CoreServices { + if (fsevents_cs) |cs| return cs; + fsevents_mutex.lock(); + defer fsevents_mutex.unlock(); + if (fsevents_cs) |cs| return cs; + + InitLibrary(); + + return fsevents_cs.?; + } + + // We Actually never deinit it + // pub fn deinit(this: *CoreServices) void { + // if(this.handle) | ptr| { + // this.handle = null; + // _ = std.c.dlclose(this.handle); + // } + // } + +}; + +var fsevents_cf: ?CoreFoundation = null; +var fsevents_cs: ?CoreServices = null; + +fn InitLibrary() void { + const fsevents_cf_handle = std.c.dlopen("/System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation", RTLD_LAZY | RTLD_LOCAL); + if (fsevents_cf_handle == null) @panic("Cannot Load CoreFoundation"); + + fsevents_cf = CoreFoundation{ + .handle = fsevents_cf_handle, + .ArrayCreate = dlsym(fsevents_cf_handle, *fn (CFAllocatorRef, [*]?*anyopaque, CFIndex, ?*CFArrayCallBacks) callconv(.C) CFArrayRef, "CFArrayCreate") orelse @panic("Cannot Load CoreFoundation"), + .Release = dlsym(fsevents_cf_handle, *fn (CFTypeRef) callconv(.C) void, "CFRelease") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopAddSource = dlsym(fsevents_cf_handle, *fn (CFRunLoopRef, CFRunLoopSourceRef, CFStringRef) callconv(.C) void, "CFRunLoopAddSource") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopGetCurrent = dlsym(fsevents_cf_handle, *fn () callconv(.C) CFRunLoopRef, "CFRunLoopGetCurrent") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopRemoveSource = dlsym(fsevents_cf_handle, *fn (CFRunLoopRef, CFRunLoopSourceRef, CFStringRef) callconv(.C) void, "CFRunLoopRemoveSource") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopRun = dlsym(fsevents_cf_handle, *fn () callconv(.C) void, "CFRunLoopRun") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopSourceCreate = dlsym(fsevents_cf_handle, *fn (CFAllocatorRef, CFIndex, *CFRunLoopSourceContext) callconv(.C) CFRunLoopSourceRef, "CFRunLoopSourceCreate") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopSourceSignal = dlsym(fsevents_cf_handle, *fn (CFRunLoopSourceRef) callconv(.C) void, "CFRunLoopSourceSignal") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopStop = dlsym(fsevents_cf_handle, *fn (CFRunLoopRef) callconv(.C) void, "CFRunLoopStop") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopWakeUp = dlsym(fsevents_cf_handle, *fn (CFRunLoopRef) callconv(.C) void, "CFRunLoopWakeUp") orelse @panic("Cannot Load CoreFoundation"), + .StringCreateWithFileSystemRepresentation = dlsym(fsevents_cf_handle, *fn (CFAllocatorRef, [*]const u8) callconv(.C) CFStringRef, "CFStringCreateWithFileSystemRepresentation") orelse @panic("Cannot Load CoreFoundation"), + .RunLoopDefaultMode = dlsym(fsevents_cf_handle, *CFStringRef, "kCFRunLoopDefaultMode") orelse @panic("Cannot Load CoreFoundation"), + }; + + const fsevents_cs_handle = std.c.dlopen("/System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices", RTLD_LAZY | RTLD_LOCAL); + if (fsevents_cs_handle == null) @panic("Cannot Load CoreServices"); + + fsevents_cs = CoreServices{ + .handle = fsevents_cs_handle, + .FSEventStreamCreate = dlsym(fsevents_cs_handle, *fn (CFAllocatorRef, FSEventStreamCallback, *FSEventStreamContext, CFArrayRef, FSEventStreamEventId, CFTimeInterval, FSEventStreamCreateFlags) callconv(.C) FSEventStreamRef, "FSEventStreamCreate") orelse @panic("Cannot Load CoreServices"), + .FSEventStreamInvalidate = dlsym(fsevents_cs_handle, *fn (FSEventStreamRef) callconv(.C) void, "FSEventStreamInvalidate") orelse @panic("Cannot Load CoreServices"), + .FSEventStreamRelease = dlsym(fsevents_cs_handle, *fn (FSEventStreamRef) callconv(.C) void, "FSEventStreamRelease") orelse @panic("Cannot Load CoreServices"), + .FSEventStreamScheduleWithRunLoop = dlsym(fsevents_cs_handle, *fn (FSEventStreamRef, CFRunLoopRef, CFStringRef) callconv(.C) void, "FSEventStreamScheduleWithRunLoop") orelse @panic("Cannot Load CoreServices"), + .FSEventStreamStart = dlsym(fsevents_cs_handle, *fn (FSEventStreamRef) callconv(.C) c_int, "FSEventStreamStart") orelse @panic("Cannot Load CoreServices"), + .FSEventStreamStop = dlsym(fsevents_cs_handle, *fn (FSEventStreamRef) callconv(.C) void, "FSEventStreamStop") orelse @panic("Cannot Load CoreServices"), + }; +} + +pub const FSEventsLoop = struct { + signal_source: CFRunLoopSourceRef, + mutex: Mutex, + loop: CFRunLoopRef = null, + sem: Semaphore, + thread: std.Thread = undefined, + tasks: ConcurrentTask.Queue = ConcurrentTask.Queue{}, + watchers: bun.BabyList(?*FSEventsWatcher) = .{}, + watcher_count: u32 = 0, + fsevent_stream: FSEventStreamRef = null, + paths: ?[]?*anyopaque = null, + cf_paths: CFArrayRef = null, + has_scheduled_watchers: bool = false, + + pub const Task = struct { + ctx: ?*anyopaque, + callback: *const (fn (*anyopaque) void), + + pub fn run(this: *Task) void { + var callback = this.callback; + var ctx = this.ctx; + callback(ctx.?); + } + + pub fn New(comptime Type: type, comptime Callback: anytype) type { + return struct { + pub fn init(ctx: *Type) Task { + return Task{ + .callback = wrap, + .ctx = ctx, + }; + } + + pub fn wrap(this: ?*anyopaque) void { + @call(.always_inline, Callback, .{@ptrCast(*Type, @alignCast(@alignOf(Type), this.?))}); + } + }; + } + }; + + pub const ConcurrentTask = struct { + task: Task = undefined, + next: ?*ConcurrentTask = null, + auto_delete: bool = false, + + pub const Queue = UnboundedQueue(ConcurrentTask, .next); + + pub fn from(this: *ConcurrentTask, task: Task) *ConcurrentTask { + this.* = .{ + .task = task, + .next = null, + }; + return this; + } + }; + + pub fn CFThreadLoop(this: *FSEventsLoop) void { + bun.Output.Source.configureNamedThread("CFThreadLoop"); + + const CF = CoreFoundation.get(); + + this.loop = CF.RunLoopGetCurrent(); + + CF.RunLoopAddSource(this.loop, this.signal_source, CF.RunLoopDefaultMode.*); + + this.sem.post(); + + CF.RunLoopRun(); + CF.RunLoopRemoveSource(this.loop, this.signal_source, CF.RunLoopDefaultMode.*); + + this.loop = null; + } + + // Runs in CF thread, executed after `enqueueTaskConcurrent()` + fn CFLoopCallback(arg: ?*anyopaque) callconv(.C) void { + if (arg) |self| { + const this = bun.cast(*FSEventsLoop, self); + + var concurrent = this.tasks.popBatch(); + const count = concurrent.count; + if (count == 0) + return; + + var iter = concurrent.iterator(); + while (iter.next()) |task| { + task.task.run(); + if (task.auto_delete) bun.default_allocator.destroy(task); + } + } + } + + pub fn init() !*FSEventsLoop { + const this = bun.default_allocator.create(FSEventsLoop) catch unreachable; + + const CF = CoreFoundation.get(); + + var ctx = CFRunLoopSourceContext{ + .info = this, + .perform = CFLoopCallback, + }; + + const signal_source = CF.RunLoopSourceCreate(null, 0, &ctx); + if (signal_source == null) { + return error.FailedToCreateCoreFoudationSourceLoop; + } + + var fs_loop = FSEventsLoop{ .sem = Semaphore.init(0), .mutex = Mutex.init(), .signal_source = signal_source }; + + this.* = fs_loop; + this.thread = try std.Thread.spawn(.{}, FSEventsLoop.CFThreadLoop, .{this}); + + // sync threads + this.sem.wait(); + return this; + } + + fn enqueueTaskConcurrent(this: *FSEventsLoop, task: Task) void { + const CF = CoreFoundation.get(); + var concurrent = bun.default_allocator.create(ConcurrentTask) catch unreachable; + concurrent.auto_delete = true; + this.tasks.push(concurrent.from(task)); + CF.RunLoopSourceSignal(this.signal_source); + CF.RunLoopWakeUp(this.loop); + } + + // Runs in CF thread, when there're events in FSEventStream + fn _events_cb(_: FSEventStreamRef, info: ?*anyopaque, numEvents: usize, eventPaths: ?*anyopaque, eventFlags: *FSEventStreamEventFlags, _: *FSEventStreamEventId) callconv(.C) void { + const paths_ptr = bun.cast([*][*:0]const u8, eventPaths); + const paths = paths_ptr[0..numEvents]; + var loop = bun.cast(*FSEventsLoop, info); + const event_flags = bun.cast([*]FSEventStreamEventFlags, eventFlags); + + for (loop.watchers.slice()) |watcher| { + if (watcher) |handle| { + for (paths, 0..) |path_ptr, i| { + var flags = event_flags[i]; + var path = path_ptr[0..bun.len(path_ptr)]; + // Filter out paths that are outside handle's request + if (path.len < handle.path.len or !bun.strings.startsWith(path, handle.path)) { + continue; + } + const is_file = (flags & kFSEventStreamEventFlagItemIsDir) == 0; + + // Remove common prefix, unless the watched folder is "/" + if (!(handle.path.len == 1 and handle.path[0] == '/')) { + path = path[handle.path.len..]; + + // Ignore events with path equal to directory itself + if (path.len <= 1 and is_file) { + continue; + } + if (path.len == 0) { + // Since we're using fsevents to watch the file itself, path == handle.path, and we now need to get the basename of the file back + while (path.len > 0) { + if (bun.strings.startsWithChar(path, '/')) { + path = path[1..]; + break; + } else { + path = path[1..]; + } + } + + // Created and Removed seem to be always set, but don't make sense + flags &= ~kFSEventsRenamed; + } else { + // Skip forward slash + path = path[1..]; + } + } + + // Do not emit events from subdirectories (without option set) + if (path.len == 0 or (bun.strings.containsChar(path, '/') and !handle.recursive)) { + continue; + } + + var is_rename = true; + + if ((flags & kFSEventsRenamed) == 0) { + if ((flags & kFSEventsModified) != 0 or is_file) { + is_rename = false; + } + } + + handle.callback(handle.ctx, path, is_file, is_rename); + } + } + } + } + + // Runs on CF Thread + pub fn _schedule(this: *FSEventsLoop) void { + this.mutex.lock(); + defer this.mutex.unlock(); + this.has_scheduled_watchers = false; + + var watchers = this.watchers.slice(); + + const CF = CoreFoundation.get(); + const CS = CoreServices.get(); + + if (this.fsevent_stream) |stream| { + // Stop emitting events + CS.FSEventStreamStop(stream); + + // Release stream + CS.FSEventStreamInvalidate(stream); + CS.FSEventStreamRelease(stream); + this.fsevent_stream = null; + } + // clean old paths + if (this.paths) |p| { + this.paths = null; + bun.default_allocator.destroy(p); + } + if (this.cf_paths) |cf| { + this.cf_paths = null; + CF.Release(cf); + } + + const paths = bun.default_allocator.alloc(?*anyopaque, this.watcher_count) catch unreachable; + var count: u32 = 0; + for (watchers) |w| { + if (w) |watcher| { + const path = CF.StringCreateWithFileSystemRepresentation(null, watcher.path.ptr); + paths[count] = path; + count += 1; + } + } + + const cf_paths = CF.ArrayCreate(null, paths.ptr, count, null); + var ctx: FSEventStreamContext = .{ + .info = this, + }; + + const latency: CFAbsoluteTime = 0.05; + // Explanation of selected flags: + // 1. NoDefer - without this flag, events that are happening continuously + // (i.e. each event is happening after time interval less than `latency`, + // counted from previous event), will be deferred and passed to callback + // once they'll either fill whole OS buffer, or when this continuous stream + // will stop (i.e. there'll be delay between events, bigger than + // `latency`). + // Specifying this flag will invoke callback after `latency` time passed + // since event. + // 2. FileEvents - fire callback for file changes too (by default it is firing + // it only for directory changes). + // + const flags: FSEventStreamCreateFlags = kFSEventStreamCreateFlagNoDefer | kFSEventStreamCreateFlagFileEvents; + + // + // NOTE: It might sound like a good idea to remember last seen StreamEventId, + // but in reality one dir might have last StreamEventId less than, the other, + // that is being watched now. Which will cause FSEventStream API to report + // changes to files from the past. + // + const ref = CS.FSEventStreamCreate(null, _events_cb, &ctx, cf_paths, CS.kFSEventStreamEventIdSinceNow, latency, flags); + + CS.FSEventStreamScheduleWithRunLoop(ref, this.loop, CF.RunLoopDefaultMode.*); + if (CS.FSEventStreamStart(ref) == 0) { + //clean in case of failure + bun.default_allocator.destroy(paths); + CF.Release(cf_paths); + CS.FSEventStreamInvalidate(ref); + CS.FSEventStreamRelease(ref); + return; + } + this.fsevent_stream = ref; + this.paths = paths; + this.cf_paths = cf_paths; + } + + fn registerWatcher(this: *FSEventsLoop, watcher: *FSEventsWatcher) void { + this.mutex.lock(); + defer this.mutex.unlock(); + if (this.watcher_count == this.watchers.len) { + this.watcher_count += 1; + this.watchers.push(bun.default_allocator, watcher) catch unreachable; + } else { + var watchers = this.watchers.slice(); + for (watchers, 0..) |w, i| { + if (w == null) { + watchers[i] = watcher; + this.watcher_count += 1; + break; + } + } + } + + if (this.has_scheduled_watchers == false) { + this.has_scheduled_watchers = true; + this.enqueueTaskConcurrent(Task.New(FSEventsLoop, _schedule).init(this)); + } + } + + fn unregisterWatcher(this: *FSEventsLoop, watcher: *FSEventsWatcher) void { + this.mutex.lock(); + defer this.mutex.unlock(); + var watchers = this.watchers.slice(); + for (watchers, 0..) |w, i| { + if (w) |item| { + if (item == watcher) { + watchers[i] = null; + // if is the last one just pop + if (i == watchers.len - 1) { + this.watchers.len -= 1; + } + this.watcher_count -= 1; + break; + } + } + } + } + + // Runs on CF loop to close the loop + fn _stop(this: *FSEventsLoop) void { + const CF = CoreFoundation.get(); + CF.RunLoopStop(this.loop); + } + fn deinit(this: *FSEventsLoop) void { + // signal close and wait + this.enqueueTaskConcurrent(Task.New(FSEventsLoop, FSEventsLoop._stop).init(this)); + this.thread.join(); + const CF = CoreFoundation.get(); + + CF.Release(this.signal_source); + this.signal_source = null; + + this.sem.deinit(); + this.mutex.deinit(); + if (this.watcher_count > 0) { + while (this.watchers.popOrNull()) |watcher| { + if (watcher) |w| { + // unlink watcher + w.loop = null; + } + } + } + + this.watchers.deinitWithAllocator(bun.default_allocator); + + bun.default_allocator.destroy(this); + } +}; + +pub const FSEventsWatcher = struct { + path: string, + callback: Callback, + loop: ?*FSEventsLoop, + recursive: bool, + ctx: ?*anyopaque, + + const Callback = *const fn (ctx: ?*anyopaque, path: string, is_file: bool, is_rename: bool) void; + + pub fn init(loop: *FSEventsLoop, path: string, recursive: bool, callback: Callback, ctx: ?*anyopaque) *FSEventsWatcher { + var this = bun.default_allocator.create(FSEventsWatcher) catch unreachable; + this.* = FSEventsWatcher{ + .path = path, + .callback = callback, + .loop = loop, + .recursive = recursive, + .ctx = ctx, + }; + + loop.registerWatcher(this); + return this; + } + + pub fn deinit(this: *FSEventsWatcher) void { + if (this.loop) |loop| { + loop.unregisterWatcher(this); + } + bun.default_allocator.destroy(this); + } +}; + +pub fn watch(path: string, recursive: bool, callback: FSEventsWatcher.Callback, ctx: ?*anyopaque) !*FSEventsWatcher { + if (fsevents_default_loop) |loop| { + return FSEventsWatcher.init(loop, path, recursive, callback, ctx); + } else { + fsevents_default_loop_mutex.lock(); + defer fsevents_default_loop_mutex.unlock(); + if (fsevents_default_loop == null) { + fsevents_default_loop = try FSEventsLoop.init(); + } + return FSEventsWatcher.init(fsevents_default_loop.?, path, recursive, callback, ctx); + } +} diff --git a/src/bun.js/node/node.classes.ts b/src/bun.js/node/node.classes.ts index f984077e4..ce35c940a 100644 --- a/src/bun.js/node/node.classes.ts +++ b/src/bun.js/node/node.classes.ts @@ -2,6 +2,34 @@ import { define } from "../scripts/class-definitions"; export default [ define({ + name: "FSWatcher", + construct: false, + noConstructor: true, + finalize: true, + configurable: false, + klass: {}, + JSType: "0b11101110", + proto: { + ref: { + fn: "doRef", + length: 0, + }, + unref: { + fn: "doUnref", + length: 0, + }, + hasRef: { + fn: "hasRef", + length: 0, + }, + close: { + fn: "doClose", + length: 0, + }, + }, + values: ["listener"], + }), + define({ name: "Timeout", construct: false, noConstructor: true, @@ -300,7 +328,7 @@ export default [ utimes: { fn: "utimes", length: 4 }, utimesSync: { fn: "utimesSync", length: 3 }, // TODO: - // watch: { fn: "watch", length: 3 }, + watch: { fn: "watch", length: 3 }, // watchFile: { fn: "watchFile", length: 3 }, writeFile: { fn: "writeFile", length: 4 }, writeFileSync: { fn: "writeFileSync", length: 3 }, diff --git a/src/bun.js/node/node_fs.zig b/src/bun.js/node/node_fs.zig index 3ea0822e6..21a65251a 100644 --- a/src/bun.js/node/node_fs.zig +++ b/src/bun.js/node/node_fs.zig @@ -34,7 +34,6 @@ const Mode = JSC.Node.Mode; const uid_t = std.os.uid_t; const gid_t = std.os.gid_t; - /// u63 to allow one null bit const ReadPosition = u63; @@ -2313,7 +2312,7 @@ pub const Arguments = struct { }; pub const UnwatchFile = void; - pub const Watch = void; + pub const Watch = JSC.Node.FSWatcher.Arguments; pub const WatchFile = void; pub const Fsync = struct { fd: FileDescriptor, @@ -2475,7 +2474,7 @@ const Return = struct { pub const Truncate = void; pub const Unlink = void; pub const UnwatchFile = void; - pub const Watch = void; + pub const Watch = JSC.JSValue; pub const WatchFile = void; pub const Utimes = void; @@ -4181,8 +4180,12 @@ pub const NodeFS = struct { return Maybe(Return.Lutimes).todo; } - pub fn watch(_: *NodeFS, _: Arguments.Watch, comptime _: Flavor) Maybe(Return.Watch) { - return Maybe(Return.Watch).todo; + pub fn watch(_: *NodeFS, args: Arguments.Watch, comptime _: Flavor) Maybe(Return.Watch) { + const watcher = args.createFSWatcher() catch |err| { + args.global_this.throwError(err, "Failed to watch filename"); + return Maybe(Return.Watch){ .result = JSC.JSValue.jsUndefined() }; + }; + return Maybe(Return.Watch){ .result = watcher }; } pub fn createReadStream(_: *NodeFS, _: Arguments.CreateReadStream, comptime _: Flavor) Maybe(Return.CreateReadStream) { return Maybe(Return.CreateReadStream).todo; diff --git a/src/bun.js/node/node_fs_binding.zig b/src/bun.js/node/node_fs_binding.zig index 74b769bf6..f178f0355 100644 --- a/src/bun.js/node/node_fs_binding.zig +++ b/src/bun.js/node/node_fs_binding.zig @@ -241,6 +241,8 @@ pub const NodeJSFS = struct { return JSC.Node.Stats.getConstructor(globalThis); } + pub const watch = callSync(.watch); + // Not implemented yet: const notimpl = fdatasync; pub const opendir = notimpl; diff --git a/src/bun.js/node/node_fs_watcher.zig b/src/bun.js/node/node_fs_watcher.zig new file mode 100644 index 000000000..397d51916 --- /dev/null +++ b/src/bun.js/node/node_fs_watcher.zig @@ -0,0 +1,913 @@ +const std = @import("std"); +const JSC = @import("root").bun.JSC; +const bun = @import("root").bun; +const Fs = @import("../../fs.zig"); +const Path = @import("../../resolver/resolve_path.zig"); +const Encoder = JSC.WebCore.Encoder; + +const FSEvents = @import("./fs_events.zig"); + +const VirtualMachine = JSC.VirtualMachine; +const EventLoop = JSC.EventLoop; +const PathLike = JSC.Node.PathLike; +const ArgumentsSlice = JSC.Node.ArgumentsSlice; +const Output = bun.Output; +const string = bun.string; +const StoredFileDescriptorType = bun.StoredFileDescriptorType; +const Environment = bun.Environment; + +pub const FSWatcher = struct { + const watcher = @import("../../watcher.zig"); + const options = @import("../../options.zig"); + pub const Watcher = watcher.NewWatcher(*FSWatcher); + const log = Output.scoped(.FSWatcher, false); + + pub const ChangeEvent = struct { + hash: Watcher.HashType = 0, + event_type: FSWatchTask.EventType = .change, + time_stamp: i64 = 0, + }; + + onAccept: std.ArrayHashMapUnmanaged(FSWatcher.Watcher.HashType, bun.BabyList(OnAcceptCallback), bun.ArrayIdentityContext, false) = .{}, + ctx: *VirtualMachine, + js_watcher: ?*JSObject = null, + watcher_instance: ?*FSWatcher.Watcher = null, + verbose: bool = false, + file_paths: bun.BabyList(string) = .{}, + entry_path: ?string = null, + entry_dir: string = "", + last_change_event: ChangeEvent = .{}, + + pub fn toJS(this: *FSWatcher) JSC.JSValue { + return if (this.js_watcher) |js| js.js_this else JSC.JSValue.jsUndefined(); + } + + pub fn eventLoop(this: FSWatcher) *EventLoop { + return this.ctx.eventLoop(); + } + + pub fn enqueueTaskConcurrent(this: FSWatcher, task: *JSC.ConcurrentTask) void { + this.eventLoop().enqueueTaskConcurrent(task); + } + + pub fn deinit(this: *FSWatcher) void { + while (this.file_paths.popOrNull()) |file_path| { + bun.default_allocator.destroy(file_path); + } + this.file_paths.deinitWithAllocator(bun.default_allocator); + if (this.entry_path) |path| { + this.entry_path = null; + bun.default_allocator.destroy(path); + } + bun.default_allocator.destroy(this); + } + + pub const FSWatchTask = struct { + ctx: *FSWatcher, + count: u8 = 0, + + entries: [8]Entry = undefined, + concurrent_task: JSC.ConcurrentTask = undefined, + + pub const EventType = enum { + rename, + change, + @"error", + abort, + }; + + pub const EventFreeType = enum { + destroy, + free, + none, + }; + + pub const Entry = struct { + file_path: string, + event_type: EventType, + free_type: EventFreeType, + }; + + pub fn append(this: *FSWatchTask, file_path: string, event_type: EventType, free_type: EventFreeType) void { + if (this.count == 8) { + this.enqueue(); + var ctx = this.ctx; + this.* = .{ + .ctx = ctx, + .count = 0, + }; + } + + this.entries[this.count] = .{ + .file_path = file_path, + .event_type = event_type, + .free_type = free_type, + }; + this.count += 1; + } + + pub fn run(this: *FSWatchTask) void { + // this runs on JS Context + if (this.ctx.js_watcher) |js_watcher| { + for (this.entries[0..this.count]) |entry| { + switch (entry.event_type) { + .rename => { + js_watcher.emit(entry.file_path, "rename"); + }, + .change => { + js_watcher.emit(entry.file_path, "change"); + }, + .@"error" => { + // file_path is the error message in this case + js_watcher.emitError(entry.file_path); + }, + .abort => { + js_watcher.emitIfAborted(); + }, + } + } + } + } + + pub fn enqueue(this: *FSWatchTask) void { + if (this.count == 0) + return; + + var that = bun.default_allocator.create(FSWatchTask) catch unreachable; + + that.* = this.*; + this.count = 0; + that.concurrent_task.task = JSC.Task.init(that); + this.ctx.enqueueTaskConcurrent(&that.concurrent_task); + } + + pub fn deinit(this: *FSWatchTask) void { + while (this.count > 0) { + this.count -= 1; + switch (this.entries[this.count].free_type) { + .destroy => bun.default_allocator.destroy(this.entries[this.count].file_path), + .free => bun.default_allocator.free(this.entries[this.count].file_path), + else => {}, + } + } + bun.default_allocator.destroy(this); + } + }; + + fn NewCallback(comptime FunctionSignature: type) type { + return union(enum) { + javascript_callback: JSC.Strong, + zig_callback: struct { + ptr: *anyopaque, + function: *const FunctionSignature, + }, + }; + } + + pub const OnAcceptCallback = NewCallback(fn ( + vm: *JSC.VirtualMachine, + specifier: []const u8, + ) void); + + fn addDirectory(ctx: *FSWatcher, fs_watcher: *FSWatcher.Watcher, fd: StoredFileDescriptorType, file_path: string, recursive: bool, buf: *[bun.MAX_PATH_BYTES + 1]u8, is_entry_path: bool) !void { + var dir_path_clone = bun.default_allocator.dupeZ(u8, file_path) catch unreachable; + + if (is_entry_path) { + ctx.entry_path = dir_path_clone; + ctx.entry_dir = dir_path_clone; + } else { + ctx.file_paths.push(bun.default_allocator, dir_path_clone) catch unreachable; + } + fs_watcher.addDirectory(fd, dir_path_clone, FSWatcher.Watcher.getHash(file_path), false) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + + var iter = (std.fs.IterableDir{ .dir = std.fs.Dir{ + .fd = fd, + } }).iterate(); + + while (iter.next() catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }) |entry| { + var parts = [2]string{ dir_path_clone, entry.name }; + var entry_path = Path.joinAbsStringBuf( + Fs.FileSystem.instance.topLevelDirWithoutTrailingSlash(), + buf, + &parts, + .auto, + ); + + buf[entry_path.len] = 0; + var entry_path_z = buf[0..entry_path.len :0]; + + var fs_info = fdFromAbsolutePathZ(entry_path_z) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + + if (fs_info.is_file) { + const file_path_clone = bun.default_allocator.dupeZ(u8, entry_path) catch unreachable; + + ctx.file_paths.push(bun.default_allocator, file_path_clone) catch unreachable; + + fs_watcher.addFile(fs_info.fd, file_path_clone, FSWatcher.Watcher.getHash(entry_path), options.Loader.file, 0, null, false) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + } else { + if (recursive) { + addDirectory(ctx, fs_watcher, fs_info.fd, entry_path, recursive, buf, false) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + } + } + } + } + + pub fn onError( + this: *FSWatcher, + err: anyerror, + ) void { + var current_task: FSWatchTask = .{ + .ctx = this, + }; + current_task.append(@errorName(err), .@"error", .none); + current_task.enqueue(); + } + + pub fn onFSEventUpdate( + ctx: ?*anyopaque, + path: string, + _: bool, + is_rename: bool, + ) void { + const this = bun.cast(*FSWatcher, ctx.?); + + var current_task: FSWatchTask = .{ + .ctx = this, + }; + defer current_task.enqueue(); + + const relative_path = bun.default_allocator.dupe(u8, path) catch unreachable; + const event_type: FSWatchTask.EventType = if (is_rename) .rename else .change; + + current_task.append(relative_path, event_type, .destroy); + } + + pub fn onFileUpdate( + this: *FSWatcher, + events: []watcher.WatchEvent, + changed_files: []?[:0]u8, + watchlist: watcher.Watchlist, + ) void { + var slice = watchlist.slice(); + const file_paths = slice.items(.file_path); + + var counts = slice.items(.count); + const kinds = slice.items(.kind); + var _on_file_update_path_buf: [bun.MAX_PATH_BYTES]u8 = undefined; + + var ctx = this.watcher_instance.?; + defer ctx.flushEvictions(); + defer Output.flush(); + + var bundler = if (@TypeOf(this.ctx.bundler) == *bun.Bundler) + this.ctx.bundler + else + &this.ctx.bundler; + + var fs: *Fs.FileSystem = bundler.fs; + + var current_task: FSWatchTask = .{ + .ctx = this, + }; + defer current_task.enqueue(); + + const time_stamp = std.time.milliTimestamp(); + const time_diff = time_stamp - this.last_change_event.time_stamp; + + for (events) |event| { + const file_path = file_paths[event.index]; + const update_count = counts[event.index] + 1; + counts[event.index] = update_count; + const kind = kinds[event.index]; + + if (comptime Environment.isDebug) { + if (this.verbose) { + Output.prettyErrorln("[watch] {s} ({s}, {})", .{ file_path, @tagName(kind), event.op }); + } + } + + switch (kind) { + .file => { + if (event.op.delete) { + ctx.removeAtIndex( + event.index, + 0, + &.{}, + .file, + ); + } + + var file_hash: FSWatcher.Watcher.HashType = FSWatcher.Watcher.getHash(file_path); + + if (event.op.write or event.op.delete or event.op.rename) { + const event_type: FSWatchTask.EventType = if (event.op.delete or event.op.rename or event.op.move_to) .rename else .change; + // skip consecutive duplicates + if ((this.last_change_event.time_stamp == 0 or time_diff > 1) or this.last_change_event.event_type != event_type and this.last_change_event.hash != file_hash) { + this.last_change_event.time_stamp = time_stamp; + this.last_change_event.event_type = event_type; + this.last_change_event.hash = file_hash; + + const relative_slice = fs.relative(this.entry_dir, file_path); + + if (this.verbose) + Output.prettyErrorln("<r><d>File changed: {s}<r>", .{relative_slice}); + + const relative_path = bun.default_allocator.dupe(u8, relative_slice) catch unreachable; + + current_task.append(relative_path, event_type, .destroy); + } + } + }, + .directory => { + // macOS should use FSEvents for directories + if (comptime Environment.isMac) { + @panic("Unexpected directory watch"); + } + + const affected = event.names(changed_files); + + for (affected) |changed_name_| { + const changed_name: []const u8 = bun.asByteSlice(changed_name_.?); + if (changed_name.len == 0 or changed_name[0] == '~' or changed_name[0] == '.') continue; + + var file_hash: FSWatcher.Watcher.HashType = 0; + const relative_slice: string = brk: { + var file_path_without_trailing_slash = std.mem.trimRight(u8, file_path, std.fs.path.sep_str); + + @memcpy(_on_file_update_path_buf[0..file_path_without_trailing_slash.len], file_path_without_trailing_slash); + + _on_file_update_path_buf[file_path_without_trailing_slash.len] = std.fs.path.sep; + + @memcpy(_on_file_update_path_buf[file_path_without_trailing_slash.len + 1 ..][0..changed_name.len], changed_name); + const path_slice = _on_file_update_path_buf[0 .. file_path_without_trailing_slash.len + changed_name.len + 1]; + file_hash = FSWatcher.Watcher.getHash(path_slice); + + const relative = fs.relative(this.entry_dir, path_slice); + + break :brk relative; + }; + + // skip consecutive duplicates + const event_type: FSWatchTask.EventType = .rename; // renaming folders, creating folder or files will be always be rename + if ((this.last_change_event.time_stamp == 0 or time_diff > 1) or this.last_change_event.event_type != event_type and this.last_change_event.hash != file_hash) { + const relative_path = bun.default_allocator.dupe(u8, relative_slice) catch unreachable; + + this.last_change_event.time_stamp = time_stamp; + this.last_change_event.event_type = event_type; + this.last_change_event.hash = file_hash; + + current_task.append(relative_path, event_type, .destroy); + + if (this.verbose) + Output.prettyErrorln("<r> <d>Dir change: {s}<r>", .{relative_path}); + } + } + + if (this.verbose and affected.len == 0) { + Output.prettyErrorln("<r> <d>Dir change: {s}<r>", .{fs.relative(this.entry_dir, file_path)}); + } + }, + } + } + } + + pub const Arguments = struct { + path: PathLike, + listener: JSC.JSValue, + global_this: JSC.C.JSContextRef, + signal: ?*JSC.AbortSignal, + persistent: bool, + recursive: bool, + encoding: JSC.Node.Encoding, + verbose: bool, + pub fn fromJS(ctx: JSC.C.JSContextRef, arguments: *ArgumentsSlice, exception: JSC.C.ExceptionRef) ?Arguments { + const vm = ctx.vm(); + const path = PathLike.fromJS(ctx, arguments, exception) orelse { + if (exception.* == null) { + JSC.throwInvalidArguments( + "filename must be a string or TypedArray", + .{}, + ctx, + exception, + ); + } + return null; + }; + + if (exception.* != null) return null; + var listener: JSC.JSValue = .zero; + var signal: ?*JSC.AbortSignal = null; + var persistent: bool = true; + var recursive: bool = false; + var encoding: JSC.Node.Encoding = .utf8; + var verbose = false; + if (arguments.nextEat()) |options_or_callable| { + + // options + if (options_or_callable.isObject()) { + if (options_or_callable.get(ctx, "persistent")) |persistent_| { + if (!persistent_.isBoolean()) { + JSC.throwInvalidArguments( + "persistent must be a boolean.", + .{}, + ctx, + exception, + ); + return null; + } + persistent = persistent_.toBoolean(); + } + + if (options_or_callable.get(ctx, "verbose")) |verbose_| { + if (!verbose_.isBoolean()) { + JSC.throwInvalidArguments( + "verbose must be a boolean.", + .{}, + ctx, + exception, + ); + return null; + } + verbose = verbose_.toBoolean(); + } + + if (options_or_callable.get(ctx, "encoding")) |encoding_| { + if (!encoding_.isString()) { + JSC.throwInvalidArguments( + "encoding must be a string.", + .{}, + ctx, + exception, + ); + return null; + } + if (JSC.Node.Encoding.fromJS(encoding_, ctx.ptr())) |node_encoding| { + encoding = node_encoding; + } else { + JSC.throwInvalidArguments( + "invalid encoding.", + .{}, + ctx, + exception, + ); + return null; + } + } + + if (options_or_callable.get(ctx, "recursive")) |recursive_| { + if (!recursive_.isBoolean()) { + JSC.throwInvalidArguments( + "recursive must be a boolean.", + .{}, + ctx, + exception, + ); + return null; + } + recursive = recursive_.toBoolean(); + } + + // abort signal + if (options_or_callable.get(ctx, "signal")) |signal_| { + if (JSC.AbortSignal.fromJS(signal_)) |signal_obj| { + //Keep it alive + signal_.ensureStillAlive(); + signal = signal_obj; + } else { + JSC.throwInvalidArguments( + "signal is not of type AbortSignal.", + .{}, + ctx, + exception, + ); + + return null; + } + } + + // listener + if (arguments.nextEat()) |callable| { + if (!callable.isCell() or !callable.isCallable(vm)) { + exception.* = JSC.toInvalidArguments("Expected \"listener\" callback to be a function", .{}, ctx).asObjectRef(); + return null; + } + listener = callable; + } + } else { + if (!options_or_callable.isCell() or !options_or_callable.isCallable(vm)) { + exception.* = JSC.toInvalidArguments("Expected \"listener\" callback to be a function", .{}, ctx).asObjectRef(); + return null; + } + listener = options_or_callable; + } + } + if (listener == .zero) { + exception.* = JSC.toInvalidArguments("Expected \"listener\" callback", .{}, ctx).asObjectRef(); + return null; + } + + return Arguments{ + .path = path, + .listener = listener, + .global_this = ctx, + .signal = signal, + .persistent = persistent, + .recursive = recursive, + .encoding = encoding, + .verbose = verbose, + }; + } + + pub fn createFSWatcher(this: Arguments) !JSC.JSValue { + const obj = try FSWatcher.init(this); + return obj.toJS(); + } + }; + + pub const JSObject = struct { + signal: ?*JSC.AbortSignal, + persistent: bool, + manager: ?*FSWatcher.Watcher, + fsevents_watcher: ?*FSEvents.FSEventsWatcher, + poll_ref: JSC.PollRef = .{}, + globalThis: ?*JSC.JSGlobalObject, + js_this: JSC.JSValue, + encoding: JSC.Node.Encoding, + closed: bool, + + pub usingnamespace JSC.Codegen.JSFSWatcher; + + pub fn getFSWatcher(this: *JSObject) *FSWatcher { + if (this.manager) |manager| return manager.ctx; + if (this.fsevents_watcher) |manager| return bun.cast(*FSWatcher, manager.ctx.?); + + @panic("No context attached to JSFSWatcher"); + } + + pub fn init(globalThis: *JSC.JSGlobalObject, manager: ?*FSWatcher.Watcher, fsevents_watcher: ?*FSEvents.FSEventsWatcher, signal: ?*JSC.AbortSignal, listener: JSC.JSValue, persistent: bool, encoding: JSC.Node.Encoding) !*JSObject { + var obj = try globalThis.allocator().create(JSObject); + obj.* = .{ + .signal = null, + .persistent = persistent, + .manager = manager, + .fsevents_watcher = fsevents_watcher, + .globalThis = globalThis, + .js_this = .zero, + .encoding = encoding, + .closed = false, + }; + const instance = obj.getFSWatcher(); + + if (persistent) { + obj.poll_ref.ref(instance.ctx); + } + + var js_this = JSObject.toJS(obj, globalThis); + JSObject.listenerSetCached(js_this, globalThis, listener); + obj.js_this = js_this; + obj.js_this.protect(); + + if (signal) |s| { + + // already aborted? + if (s.aborted()) { + obj.signal = s.ref(); + // abort next tick + var current_task: FSWatchTask = .{ + .ctx = instance, + }; + current_task.append("", .abort, .none); + current_task.enqueue(); + } else { + // watch for abortion + obj.signal = s.ref().listen(JSObject, obj, JSObject.emitAbort); + } + } + return obj; + } + + pub fn emitIfAborted(this: *JSObject) void { + if (this.signal) |s| { + if (s.aborted()) { + const err = s.abortReason(); + this.emitAbort(err); + } + } + } + + pub fn emitAbort(this: *JSObject, err: JSC.JSValue) void { + if (this.closed) return; + defer this.close(true); + + err.ensureStillAlive(); + + if (this.globalThis) |globalThis| { + if (this.js_this != .zero) { + if (JSObject.listenerGetCached(this.js_this)) |listener| { + var args = [_]JSC.JSValue{ + JSC.ZigString.static("error").toValue(globalThis), + if (err.isEmptyOrUndefinedOrNull()) JSC.WebCore.AbortSignal.createAbortError(JSC.ZigString.static("The user aborted a request"), &JSC.ZigString.Empty, globalThis) else err, + }; + _ = listener.callWithGlobalThis( + globalThis, + &args, + ); + } + } + } + } + pub fn emitError(this: *JSObject, err: string) void { + if (this.closed) return; + defer this.close(true); + + if (this.globalThis) |globalThis| { + if (this.js_this != .zero) { + if (JSObject.listenerGetCached(this.js_this)) |listener| { + var args = [_]JSC.JSValue{ + JSC.ZigString.static("error").toValue(globalThis), + JSC.ZigString.fromUTF8(err).toErrorInstance(globalThis), + }; + _ = listener.callWithGlobalThis( + globalThis, + &args, + ); + } + } + } + } + + pub fn emit(this: *JSObject, file_name: string, comptime eventType: string) void { + if (this.globalThis) |globalThis| { + if (this.js_this != .zero) { + if (JSObject.listenerGetCached(this.js_this)) |listener| { + var filename: JSC.JSValue = JSC.JSValue.jsUndefined(); + if (file_name.len > 0) { + if (this.encoding == .buffer) + filename = JSC.ArrayBuffer.createBuffer(globalThis, file_name) + else if (this.encoding == .utf8) { + filename = JSC.ZigString.fromUTF8(file_name).toValueGC(globalThis); + } else { + // convert to desired encoding + filename = Encoder.toStringAtRuntime(file_name.ptr, file_name.len, globalThis, this.encoding); + } + } + var args = [_]JSC.JSValue{ + JSC.ZigString.static(eventType).toValue(globalThis), + filename, + }; + _ = listener.callWithGlobalThis( + globalThis, + &args, + ); + } + } + } + } + + pub fn ref(this: *JSObject) void { + if (this.closed) return; + + if (!this.persistent) { + this.persistent = true; + this.poll_ref.ref(this.getFSWatcher().ctx); + } + } + + pub fn doRef(this: *JSObject, _: *JSC.JSGlobalObject, _: *JSC.CallFrame) callconv(.C) JSC.JSValue { + this.ref(); + return JSC.JSValue.jsUndefined(); + } + + pub fn unref(this: *JSObject) void { + if (this.persistent) { + this.persistent = false; + this.poll_ref.unref(this.getFSWatcher().ctx); + } + } + + pub fn doUnref(this: *JSObject, _: *JSC.JSGlobalObject, _: *JSC.CallFrame) callconv(.C) JSC.JSValue { + this.unref(); + return JSC.JSValue.jsUndefined(); + } + + pub fn hasRef(this: *JSObject, _: *JSC.JSGlobalObject, _: *JSC.CallFrame) callconv(.C) JSC.JSValue { + return JSC.JSValue.jsBoolean(this.persistent); + } + + pub fn close( + this: *JSObject, + emitEvent: bool, + ) void { + if (!this.closed) { + if (this.signal) |signal| { + this.signal = null; + signal.detach(this); + } + this.closed = true; + if (emitEvent) { + this.emit("", "close"); + } + + this.detach(); + } + } + + pub fn detach(this: *JSObject) void { + this.unref(); + + if (this.js_this != .zero) { + this.js_this.unprotect(); + this.js_this = .zero; + } + + this.globalThis = null; + + if (this.signal) |signal| { + this.signal = null; + signal.detach(this); + } + if (this.manager) |manager| { + var ctx = manager.ctx; + this.manager = null; + ctx.js_watcher = null; + ctx.deinit(); + manager.deinit(true); + } + + if (this.fsevents_watcher) |manager| { + var ctx = bun.cast(*FSWatcher, manager.ctx.?); + ctx.js_watcher = null; + ctx.deinit(); + manager.deinit(); + } + } + + pub fn doClose(this: *JSObject, _: *JSC.JSGlobalObject, _: *JSC.CallFrame) callconv(.C) JSC.JSValue { + this.close(true); + return JSC.JSValue.jsUndefined(); + } + + pub fn finalize(this: *JSObject) callconv(.C) void { + if (!this.closed) { + this.detach(); + } + + bun.default_allocator.destroy(this); + } + }; + + const PathResult = struct { + fd: StoredFileDescriptorType = 0, + is_file: bool = true, + }; + + fn fdFromAbsolutePathZ( + absolute_path_z: [:0]const u8, + ) !PathResult { + var stat = try bun.C.lstat_absolute(absolute_path_z); + var result = PathResult{}; + + switch (stat.kind) { + .sym_link => { + var file = try std.fs.openFileAbsoluteZ(absolute_path_z, .{ .mode = .read_only }); + result.fd = file.handle; + const _stat = try file.stat(); + + result.is_file = _stat.kind == .directory; + }, + .directory => { + const dir = (try std.fs.openIterableDirAbsoluteZ(absolute_path_z, .{ + .access_sub_paths = true, + })).dir; + result.fd = dir.fd; + result.is_file = false; + }, + else => { + const file = try std.fs.openFileAbsoluteZ(absolute_path_z, .{ .mode = .read_only }); + result.fd = file.handle; + result.is_file = true; + }, + } + return result; + } + + pub fn init(args: Arguments) !*FSWatcher { + var buf: [bun.MAX_PATH_BYTES + 1]u8 = undefined; + var slice = args.path.slice(); + if (bun.strings.startsWith(slice, "file://")) { + slice = slice[6..]; + } + var parts = [_]string{ + slice, + }; + + var file_path = Path.joinAbsStringBuf( + Fs.FileSystem.instance.top_level_dir, + &buf, + &parts, + .auto, + ); + + buf[file_path.len] = 0; + var file_path_z = buf[0..file_path.len :0]; + + var fs_type = try fdFromAbsolutePathZ(file_path_z); + + var ctx = try bun.default_allocator.create(FSWatcher); + const vm = args.global_this.bunVM(); + ctx.* = .{ + .ctx = vm, + .verbose = args.verbose, + .file_paths = bun.BabyList(string).initCapacity(bun.default_allocator, 1) catch |err| { + ctx.deinit(); + return err; + }, + }; + + if (comptime Environment.isMac) { + if (!fs_type.is_file) { + var dir_path_clone = bun.default_allocator.dupeZ(u8, file_path) catch unreachable; + ctx.entry_path = dir_path_clone; + ctx.entry_dir = dir_path_clone; + + var fsevents_watcher = FSEvents.watch(dir_path_clone, args.recursive, onFSEventUpdate, bun.cast(*anyopaque, ctx)) catch |err| { + ctx.deinit(); + return err; + }; + + ctx.js_watcher = JSObject.init(args.global_this, null, fsevents_watcher, args.signal, args.listener, args.persistent, args.encoding) catch |err| { + ctx.deinit(); + fsevents_watcher.deinit(); + return err; + }; + + return ctx; + } + } + + var fs_watcher = FSWatcher.Watcher.init( + ctx, + vm.bundler.fs, + bun.default_allocator, + ) catch |err| { + ctx.deinit(); + return err; + }; + + ctx.watcher_instance = fs_watcher; + + if (fs_type.is_file) { + var file_path_clone = bun.default_allocator.dupeZ(u8, file_path) catch unreachable; + + ctx.entry_path = file_path_clone; + ctx.entry_dir = std.fs.path.dirname(file_path_clone) orelse file_path_clone; + + fs_watcher.addFile(fs_type.fd, file_path_clone, FSWatcher.Watcher.getHash(file_path), options.Loader.file, 0, null, false) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + } else { + addDirectory(ctx, fs_watcher, fs_type.fd, file_path, args.recursive, &buf, true) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + } + + fs_watcher.start() catch |err| { + ctx.deinit(); + + fs_watcher.deinit(true); + return err; + }; + + ctx.js_watcher = JSObject.init(args.global_this, fs_watcher, null, args.signal, args.listener, args.persistent, args.encoding) catch |err| { + ctx.deinit(); + fs_watcher.deinit(true); + return err; + }; + + return ctx; + } +}; diff --git a/src/bun.js/node/types.zig b/src/bun.js/node/types.zig index e2de35706..659ac31bb 100644 --- a/src/bun.js/node/types.zig +++ b/src/bun.js/node/types.zig @@ -93,6 +93,10 @@ pub fn Maybe(comptime ResultType: type) type { return JSC.JSValue.jsUndefined(); } + if (comptime ReturnType == JSC.JSValue) { + return r; + } + if (comptime ReturnType == JSC.ArrayBuffer) { return r.toJS(globalThis, null); } diff --git a/src/bun.js/webcore/encoding.zig b/src/bun.js/webcore/encoding.zig index 5c8221128..061a25eed 100644 --- a/src/bun.js/webcore/encoding.zig +++ b/src/bun.js/webcore/encoding.zig @@ -802,7 +802,20 @@ pub const Encoder = struct { // pub fn writeUTF16AsUTF8(utf16: [*]const u16, len: usize, to: [*]u8, to_len: usize) callconv(.C) i32 { // return @intCast(i32, strings.copyUTF16IntoUTF8(to[0..to_len], []const u16, utf16[0..len], true).written); // } - + pub fn toStringAtRuntime(input: [*]const u8, len: usize, globalObject: *JSGlobalObject, encoding: JSC.Node.Encoding) JSValue { + return switch (encoding) { + .ucs2 => toString(input, len, globalObject, .utf16le), + .utf16le => toString(input, len, globalObject, .utf16le), + .utf8 => toString(input, len, globalObject, .utf8), + .ascii => toString(input, len, globalObject, .ascii), + .hex => toString(input, len, globalObject, .hex), + .base64 => toString(input, len, globalObject, .base64), + .base64url => toString(input, len, globalObject, .base64url), + .latin1 => toString(input, len, globalObject, .latin1), + // treat everything else as utf8 + else => toString(input, len, globalObject, .utf8), + }; + } pub fn toString(input_ptr: [*]const u8, len: usize, global: *JSGlobalObject, comptime encoding: JSC.Node.Encoding) JSValue { if (len == 0) return ZigString.Empty.toValue(global); |