1 files changed, 124 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/ProxyConstructor.cpp b/Source/JavaScriptCore/runtime/ProxyConstructor.cpp
new file mode 100644
index 000000000..7336e798e
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+++ b/Source/JavaScriptCore/runtime/ProxyConstructor.cpp
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+/*
+ * Copyright (C) 2016 Apple Inc. All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "ProxyConstructor.h"
+
+#include "Error.h"
+#include "IdentifierInlines.h"
+#include "JSCInlines.h"
+#include "ObjectConstructor.h"
+#include "ObjectPrototype.h"
+#include "ProxyObject.h"
+#include "ProxyRevoke.h"
+#include "StructureInlines.h"
+
+namespace JSC {
+
+STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(ProxyConstructor);
+
+const ClassInfo ProxyConstructor::s_info = { "Proxy", &Base::s_info, 0, CREATE_METHOD_TABLE(ProxyConstructor) };
+
+ProxyConstructor* ProxyConstructor::create(VM& vm, Structure* structure)
+{
+    ProxyConstructor* constructor = new (NotNull, allocateCell<ProxyConstructor>(vm.heap)) ProxyConstructor(vm, structure);
+    constructor->finishCreation(vm, "Proxy", structure->globalObject());
+    return constructor;
+}
+
+ProxyConstructor::ProxyConstructor(VM& vm, Structure* structure)
+    : Base(vm, structure)
+{
+}
+
+static EncodedJSValue JSC_HOST_CALL makeRevocableProxy(ExecState* exec)
+{
+    VM& vm = exec->vm();
+    auto scope = DECLARE_THROW_SCOPE(vm);
+    if (exec->argumentCount() < 2)
+        return throwVMTypeError(exec, scope, ASCIILiteral("Proxy.revocable needs to be called with two arguments: the target and the handler"));
+
+    ArgList args(exec);
+    JSValue target = args.at(0);
+    JSValue handler = args.at(1);
+    ProxyObject* proxy = ProxyObject::create(exec, exec->lexicalGlobalObject(), target, handler);
+    RETURN_IF_EXCEPTION(scope, encodedJSValue());
+    ProxyRevoke* revoke = ProxyRevoke::create(vm, exec->lexicalGlobalObject()->proxyRevokeStructure(), proxy);
+    RETURN_IF_EXCEPTION(scope, encodedJSValue());
+
+    JSObject* result = constructEmptyObject(exec);
+    RETURN_IF_EXCEPTION(scope, encodedJSValue());
+    result->putDirect(vm, makeIdentifier(vm, "proxy"), proxy, None);
+    result->putDirect(vm, makeIdentifier(vm, "revoke"), revoke, None);
+
+    return JSValue::encode(result);
+}
+
+static EncodedJSValue JSC_HOST_CALL proxyRevocableConstructorThrowError(ExecState* exec)
+{
+    auto scope = DECLARE_THROW_SCOPE(exec->vm());
+    return throwVMTypeError(exec, scope, ASCIILiteral("Proxy.revocable cannot be constructed. It can only be called"));
+}
+
+void ProxyConstructor::finishCreation(VM& vm, const char* name, JSGlobalObject* globalObject)
+{
+    Base::finishCreation(vm, name);
+
+    putDirect(vm, vm.propertyNames->length, jsNumber(2), DontEnum | ReadOnly);
+    putDirect(vm, makeIdentifier(vm, "revocable"), JSFunction::create(vm, globalObject, 2, ASCIILiteral("revocable"), makeRevocableProxy, NoIntrinsic, proxyRevocableConstructorThrowError));
+}
+
+static EncodedJSValue JSC_HOST_CALL constructProxyObject(ExecState* exec)
+{
+    auto scope = DECLARE_THROW_SCOPE(exec->vm());
+    if (exec->newTarget().isUndefined())
+        return throwVMTypeError(exec, scope, ASCIILiteral("new.target of Proxy construct should not be undefined"));
+
+    ArgList args(exec);
+    JSValue target = args.at(0);
+    JSValue handler = args.at(1);
+    scope.release();
+    return JSValue::encode(ProxyObject::create(exec, exec->lexicalGlobalObject(), target, handler));
+}
+
+ConstructType ProxyConstructor::getConstructData(JSCell*, ConstructData& constructData)
+{
+    constructData.native.function = constructProxyObject;
+    return ConstructType::Host;
+}
+
+static EncodedJSValue JSC_HOST_CALL callProxy(ExecState* exec)
+{
+    auto scope = DECLARE_THROW_SCOPE(exec->vm());
+    return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "Proxy"));
+}
+
+CallType ProxyConstructor::getCallData(JSCell*, CallData& callData)
+{
+    callData.native.function = callProxy;
+    return CallType::Host;
+}
+
+} // namespace JSC