}
if (IS_NULL_OR_UNDEFINED(receiver)) {
receiver = %GetDefaultReceiver(f) || receiver;
- } else if (!IS_SPEC_OBJECT(receiver)) {
+ } else if (!IS_SPEC_OBJECT(receiver) && %IsClassicModeFunction(f)) {
receiver = ToObject(receiver);
}
}
if (IS_NULL_OR_UNDEFINED(receiver)) {
receiver = %GetDefaultReceiver(f) || receiver;
- } else if (!IS_SPEC_OBJECT(receiver)) {
+ } else if (!IS_SPEC_OBJECT(receiver) && %IsClassicModeFunction(f)) {
receiver = ToObject(receiver);
}
+
if (%DebugCallbackSupportsStepping(f)) {
for (var i = 0; i < length; i++) {
if (i in array) {
}
if (IS_NULL_OR_UNDEFINED(receiver)) {
receiver = %GetDefaultReceiver(f) || receiver;
- } else if (!IS_SPEC_OBJECT(receiver)) {
+ } else if (!IS_SPEC_OBJECT(receiver) && %IsClassicModeFunction(f)) {
receiver = ToObject(receiver);
}
}
if (IS_NULL_OR_UNDEFINED(receiver)) {
receiver = %GetDefaultReceiver(f) || receiver;
- } else if (!IS_SPEC_OBJECT(receiver)) {
+ } else if (!IS_SPEC_OBJECT(receiver) && %IsClassicModeFunction(f)) {
receiver = ToObject(receiver);
}
}
if (IS_NULL_OR_UNDEFINED(receiver)) {
receiver = %GetDefaultReceiver(f) || receiver;
- } else if (!IS_SPEC_OBJECT(receiver)) {
+ } else if (!IS_SPEC_OBJECT(receiver) && %IsClassicModeFunction(f)) {
receiver = ToObject(receiver);
}
}
+RUNTIME_FUNCTION(MaybeObject*, Runtime_IsClassicModeFunction) {
+ NoHandleAllocation ha(isolate);
+ ASSERT(args.length() == 1);
+ CONVERT_ARG_CHECKED(JSReceiver, callable, 0);
+ if (!callable->IsJSFunction()) {
+ HandleScope scope(isolate);
+ bool threw = false;
+ Handle<Object> delegate =
+ Execution::TryGetFunctionDelegate(Handle<JSReceiver>(callable), &threw);
+ if (threw) return Failure::Exception();
+ callable = JSFunction::cast(*delegate);
+ }
+ JSFunction* function = JSFunction::cast(callable);
+ SharedFunctionInfo* shared = function->shared();
+ return isolate->heap()->ToBoolean(shared->is_classic_mode());
+}
+
+
RUNTIME_FUNCTION(MaybeObject*, Runtime_GetDefaultReceiver) {
NoHandleAllocation ha(isolate);
ASSERT(args.length() == 1);
--- /dev/null
+// Copyright 2013 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "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 THE COPYRIGHT
+// OWNER 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.
+
+var CheckStringReceiver = function() {
+ "use strict";
+ // Receivers of strict functions are not coerced.
+ assertEquals("string", typeof this);
+};
+
+var CheckNumberReceiver = function() {
+ "use strict";
+ // Receivers of strict functions are not coerced.
+ assertEquals("number", typeof this);
+};
+
+var CheckUndefinedReceiver = function() {
+ "use strict";
+ // Receivers of strict functions are not coerced.
+ assertEquals("undefined", String(this));
+};
+
+var CheckNullReceiver = function() {
+ "use strict";
+ // Receivers of strict functions are not coerced.
+ assertEquals("null", String(this));
+};
+
+var CheckCoersion = function() {
+ // Receivers of non-strict functions are coerced to objects.
+ assertEquals("object", typeof this);
+};
+
+
+function strict_mode() {
+ "use strict";
+ CheckStringReceiver.call("foo");
+ CheckNumberReceiver.call(42);
+ CheckUndefinedReceiver.call(undefined);
+ CheckNullReceiver.call(null);
+ [1].forEach(CheckStringReceiver, "foo");
+ [2].every(CheckStringReceiver, "foo");
+ [3].filter(CheckStringReceiver, "foo");
+ [4].some(CheckNumberReceiver, 42);
+ [5].map(CheckNumberReceiver, 42);
+
+ CheckCoersion.call("foo");
+ CheckCoersion.call(42);
+ CheckCoersion.call(undefined);
+ CheckCoersion.call(null);
+ [1].forEach(CheckCoersion, "foo");
+ [2].every(CheckCoersion, "foo");
+ [3].filter(CheckCoersion, "foo");
+ [4].some(CheckCoersion, 42);
+ [5].map(CheckCoersion, 42);
+};
+strict_mode();
+
+function classic_mode() {
+ CheckStringReceiver.call("foo");
+ CheckNumberReceiver.call(42);
+ CheckUndefinedReceiver.call(undefined);
+ CheckNullReceiver.call(null);
+ [1].forEach(CheckStringReceiver, "foo");
+ [2].every(CheckStringReceiver, "foo");
+ [3].filter(CheckStringReceiver, "foo");
+ [4].some(CheckNumberReceiver, 42);
+ [5].map(CheckNumberReceiver, 42);
+
+ CheckCoersion.call("foo");
+ CheckCoersion.call(42);
+ CheckCoersion.call(undefined);
+ CheckCoersion.call(null);
+ [1].forEach(CheckCoersion, "foo");
+ [2].every(CheckCoersion, "foo");
+ [3].filter(CheckCoersion, "foo");
+ [4].some(CheckCoersion, 42);
+ [5].map(CheckCoersion, 42);
+};
+classic_mode();