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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /js/src/vm/EnvironmentObject-inl.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'js/src/vm/EnvironmentObject-inl.h')
-rw-r--r--js/src/vm/EnvironmentObject-inl.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/js/src/vm/EnvironmentObject-inl.h b/js/src/vm/EnvironmentObject-inl.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef vm_EnvironmentObject_inl_h
+#define vm_EnvironmentObject_inl_h
+
+#include "vm/EnvironmentObject.h"
+#include "frontend/SharedContext.h"
+
+#include "jsobjinlines.h"
+
+#include "vm/TypeInference-inl.h"
+
+namespace js {
+
+inline LexicalEnvironmentObject&
+NearestEnclosingExtensibleLexicalEnvironment(JSObject* env)
+{
+ while (!IsExtensibleLexicalEnvironment(env))
+ env = env->enclosingEnvironment();
+ return env->as<LexicalEnvironmentObject>();
+}
+
+inline void
+EnvironmentObject::setAliasedBinding(JSContext* cx, uint32_t slot, PropertyName* name,
+ const Value& v)
+{
+ if (isSingleton()) {
+ MOZ_ASSERT(name);
+ AddTypePropertyId(cx, this, NameToId(name), v);
+
+ // Keep track of properties which have ever been overwritten.
+ if (!getSlot(slot).isUndefined()) {
+ Shape* shape = lookup(cx, name);
+ shape->setOverwritten();
+ }
+ }
+
+ setSlot(slot, v);
+}
+
+inline void
+EnvironmentObject::setAliasedBinding(JSContext* cx, EnvironmentCoordinate ec, PropertyName* name,
+ const Value& v)
+{
+ setAliasedBinding(cx, ec.slot(), name, v);
+}
+
+inline void
+EnvironmentObject::setAliasedBinding(JSContext* cx, const BindingIter& bi, const Value& v)
+{
+ MOZ_ASSERT(bi.location().kind() == BindingLocation::Kind::Environment);
+ setAliasedBinding(cx, bi.location().slot(), bi.name()->asPropertyName(), v);
+}
+
+inline void
+CallObject::setAliasedFormalFromArguments(JSContext* cx, const Value& argsValue, jsid id,
+ const Value& v)
+{
+ setSlot(ArgumentsObject::SlotFromMagicScopeSlotValue(argsValue), v);
+ if (isSingleton())
+ AddTypePropertyId(cx, this, id, v);
+}
+
+} /* namespace js */
+
+inline JSObject*
+JSObject::enclosingEnvironment() const
+{
+ if (is<js::EnvironmentObject>())
+ return &as<js::EnvironmentObject>().enclosingEnvironment();
+
+ if (is<js::DebugEnvironmentProxy>())
+ return &as<js::DebugEnvironmentProxy>().enclosingEnvironment();
+
+ if (is<js::GlobalObject>())
+ return nullptr;
+
+ MOZ_ASSERT_IF(is<JSFunction>(), as<JSFunction>().isInterpreted());
+ return &global();
+}
+
+#endif /* vm_EnvironmentObject_inl_h */