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#include "../bindings/JSBuffer.h"
#include "_NativeModule.h"
#include "simdutf.h"
namespace Zig {
using namespace WebCore;
using namespace JSC;
// TODO: Add DOMJIT fast path
JSC_DEFINE_HOST_FUNCTION(jsBufferConstructorFunction_isUtf8,
(JSC::JSGlobalObject * lexicalGlobalObject,
JSC::CallFrame *callframe)) {
auto throwScope = DECLARE_THROW_SCOPE(lexicalGlobalObject->vm());
auto buffer = callframe->argument(0);
auto *bufferView = JSC::jsDynamicCast<JSC::JSArrayBufferView *>(buffer);
const char *ptr = nullptr;
size_t byteLength = 0;
if (bufferView) {
if (UNLIKELY(bufferView->isDetached())) {
throwTypeError(lexicalGlobalObject, throwScope,
"ArrayBufferView is detached"_s);
return JSValue::encode({});
}
byteLength = bufferView->byteLength();
if (byteLength == 0) {
return JSValue::encode(jsBoolean(true));
}
ptr = reinterpret_cast<const char *>(bufferView->vector());
} else if (auto *arrayBuffer =
JSC::jsDynamicCast<JSC::JSArrayBuffer *>(buffer)) {
auto *impl = arrayBuffer->impl();
if (!impl) {
return JSValue::encode(jsBoolean(true));
}
if (UNLIKELY(impl->isDetached())) {
throwTypeError(lexicalGlobalObject, throwScope,
"ArrayBuffer is detached"_s);
return JSValue::encode({});
}
byteLength = impl->byteLength();
if (byteLength == 0) {
return JSValue::encode(jsBoolean(true));
}
ptr = reinterpret_cast<const char *>(impl->data());
} else {
throwVMError(
lexicalGlobalObject, throwScope,
createTypeError(lexicalGlobalObject,
"First argument must be an ArrayBufferView"_s));
return JSValue::encode({});
}
RELEASE_AND_RETURN(throwScope, JSValue::encode(jsBoolean(
simdutf::validate_utf8(ptr, byteLength))));
}
// TODO: Add DOMJIT fast path
JSC_DEFINE_HOST_FUNCTION(jsBufferConstructorFunction_isAscii,
(JSC::JSGlobalObject * lexicalGlobalObject,
JSC::CallFrame *callframe)) {
auto throwScope = DECLARE_THROW_SCOPE(lexicalGlobalObject->vm());
auto buffer = callframe->argument(0);
auto *bufferView = JSC::jsDynamicCast<JSC::JSArrayBufferView *>(buffer);
const char *ptr = nullptr;
size_t byteLength = 0;
if (bufferView) {
if (UNLIKELY(bufferView->isDetached())) {
throwTypeError(lexicalGlobalObject, throwScope,
"ArrayBufferView is detached"_s);
return JSValue::encode({});
}
byteLength = bufferView->byteLength();
if (byteLength == 0) {
return JSValue::encode(jsBoolean(true));
}
ptr = reinterpret_cast<const char *>(bufferView->vector());
} else if (auto *arrayBuffer =
JSC::jsDynamicCast<JSC::JSArrayBuffer *>(buffer)) {
auto *impl = arrayBuffer->impl();
if (UNLIKELY(impl->isDetached())) {
throwTypeError(lexicalGlobalObject, throwScope,
"ArrayBuffer is detached"_s);
return JSValue::encode({});
}
if (!impl) {
return JSValue::encode(jsBoolean(true));
}
byteLength = impl->byteLength();
if (byteLength == 0) {
return JSValue::encode(jsBoolean(true));
}
ptr = reinterpret_cast<const char *>(impl->data());
} else {
throwVMError(
lexicalGlobalObject, throwScope,
createTypeError(lexicalGlobalObject,
"First argument must be an ArrayBufferView"_s));
return JSValue::encode({});
}
RELEASE_AND_RETURN(
throwScope,
JSValue::encode(jsBoolean(simdutf::validate_ascii(ptr, byteLength))));
}
JSC_DEFINE_HOST_FUNCTION(jsFunctionNotImplemented,
(JSGlobalObject * globalObject,
CallFrame *callFrame)) {
VM &vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
throwException(globalObject, scope,
createError(globalObject, "Not implemented"_s));
return JSValue::encode(jsUndefined());
}
DEFINE_NATIVE_MODULE(NodeBuffer) {
INIT_NATIVE_MODULE(12);
put(JSC::Identifier::fromString(vm, "Buffer"_s),
globalObject->JSBufferConstructor());
auto *slowBuffer = JSC::JSFunction::create(
vm, globalObject, 0, "SlowBuffer"_s, WebCore::constructSlowBuffer,
ImplementationVisibility::Public, NoIntrinsic,
WebCore::constructSlowBuffer);
slowBuffer->putDirect(
vm, vm.propertyNames->prototype, globalObject->JSBufferPrototype(),
JSC::PropertyAttribute::ReadOnly | JSC::PropertyAttribute::DontEnum |
JSC::PropertyAttribute::DontDelete);
put(JSC::Identifier::fromString(vm, "SlowBuffer"_s), slowBuffer);
auto blobIdent = JSC::Identifier::fromString(vm, "Blob"_s);
JSValue blobValue = globalObject->JSBlobConstructor();
put(blobIdent, blobValue);
put(JSC::Identifier::fromString(vm, "File"_s),
globalObject->JSDOMFileConstructor());
put(JSC::Identifier::fromString(vm, "INSPECT_MAX_BYTES"_s),
JSC::jsNumber(50));
put(JSC::Identifier::fromString(vm, "kMaxLength"_s),
JSC::jsNumber(4294967296LL));
put(JSC::Identifier::fromString(vm, "kStringMaxLength"_s),
JSC::jsNumber(536870888));
JSC::JSObject *constants = JSC::constructEmptyObject(
lexicalGlobalObject, globalObject->objectPrototype(), 2);
constants->putDirect(vm, JSC::Identifier::fromString(vm, "MAX_LENGTH"_s),
JSC::jsNumber(4294967296LL));
constants->putDirect(vm,
JSC::Identifier::fromString(vm, "MAX_STRING_LENGTH"_s),
JSC::jsNumber(536870888));
put(JSC::Identifier::fromString(vm, "constants"_s), constants);
JSC::Identifier atobI = JSC::Identifier::fromString(vm, "atob"_s);
JSC::JSValue atobV =
lexicalGlobalObject->get(globalObject, PropertyName(atobI));
JSC::Identifier btoaI = JSC::Identifier::fromString(vm, "btoa"_s);
JSC::JSValue btoaV =
lexicalGlobalObject->get(globalObject, PropertyName(btoaI));
put(atobI, atobV);
put(btoaI, btoaV);
auto *transcode = InternalFunction::createFunctionThatMasqueradesAsUndefined(
vm, globalObject, 1, "transcode"_s, jsFunctionNotImplemented);
put(JSC::Identifier::fromString(vm, "transcode"_s), transcode);
auto *resolveObjectURL =
InternalFunction::createFunctionThatMasqueradesAsUndefined(
vm, globalObject, 1, "resolveObjectURL"_s, jsFunctionNotImplemented);
put(JSC::Identifier::fromString(vm, "resolveObjectURL"_s), resolveObjectURL);
put(JSC::Identifier::fromString(vm, "isAscii"_s),
JSC::JSFunction::create(vm, globalObject, 1, "isAscii"_s,
jsBufferConstructorFunction_isAscii,
ImplementationVisibility::Public, NoIntrinsic,
jsBufferConstructorFunction_isUtf8));
put(JSC::Identifier::fromString(vm, "isUtf8"_s),
JSC::JSFunction::create(vm, globalObject, 1, "isUtf8"_s,
jsBufferConstructorFunction_isUtf8,
ImplementationVisibility::Public, NoIntrinsic,
jsBufferConstructorFunction_isUtf8));
}
} // namespace Zig
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