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Allow eval in detached contexts

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BUG=

Review URL: https://codereview.chromium.org/781953002

Cr-Commit-Position: refs/heads/master@{#25686}
This commit is contained in:
verwaest 2014-12-05 05:24:58 -08:00 committed by Commit bot
parent 4c7effe56e
commit 7fb5f74d20
4 changed files with 2 additions and 25 deletions
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10
src/runtime/runtime-object.cc
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@ -1368,16 +1368,6 @@ RUNTIME_FUNCTION(Runtime_GlobalProxy) {
}
RUNTIME_FUNCTION(Runtime_IsAttachedGlobal) {
SealHandleScope shs(isolate);
DCHECK(args.length() == 1);
CONVERT_ARG_CHECKED(Object, global, 0);
if (!global->IsJSGlobalObject()) return isolate->heap()->false_value();
return isolate->heap()->ToBoolean(
!JSGlobalObject::cast(global)->IsDetached());
}
RUNTIME_FUNCTION(Runtime_LookupAccessor) {
HandleScope scope(isolate);
DCHECK(args.length() == 3);

1
src/runtime/runtime.h
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@ -254,7 +254,6 @@ namespace internal {
\
/* Eval */ \
F(GlobalProxy, 1, 1) \
F(IsAttachedGlobal, 1, 1) \
\
F(AddNamedProperty, 4, 1) \
F(AddPropertyForTemplate, 4, 1) \

10
src/v8natives.js
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@ -163,16 +163,6 @@ function GlobalParseFloat(string) {
function GlobalEval(x) {
if (!IS_STRING(x)) return x;
// For consistency with JSC we require the global object passed to
// eval to be the global object from which 'eval' originated. This
// is not mandated by the spec.
// We only throw if the global has been detached, since we need the
// receiver as this-value for the call.
if (!%IsAttachedGlobal(global)) {
throw new $EvalError('The "this" value passed to eval must ' +
'be the global object from which eval originated');
}
var global_proxy = %GlobalProxy(global);
var f = %CompileString(x, false, 0);

6
test/cctest/test-api.cc
View File

@ -11549,8 +11549,7 @@ THREADED_TEST(CrossEval) {
// Test that calling eval in a context which has been detached from
// its global throws an exception. This behavior is consistent with
// other JavaScript implementations.
// its global proxy works.
THREADED_TEST(EvalInDetachedGlobal) {
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
@ -11578,8 +11577,7 @@ THREADED_TEST(EvalInDetachedGlobal) {
context0->DetachGlobal();
v8::TryCatch catcher;
x_value = CompileRun("fun('x')");
CHECK(x_value.IsEmpty());
CHECK(catcher.HasCaught());
CHECK_EQ(42, x_value->Int32Value());
context1->Exit();
}