1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/vm/ScopeObject-inl.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,129 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef vm_ScopeObject_inl_h
1.11 +#define vm_ScopeObject_inl_h
1.12 +
1.13 +#include "vm/ScopeObject.h"
1.14 +
1.15 +#include "jsinferinlines.h"
1.16 +
1.17 +namespace js {
1.18 +
1.19 +inline void
1.20 +ScopeObject::setAliasedVar(JSContext *cx, ScopeCoordinate sc, PropertyName *name, const Value &v)
1.21 +{
1.22 + JS_ASSERT(is<CallObject>() || is<ClonedBlockObject>());
1.23 + JS_STATIC_ASSERT(CallObject::RESERVED_SLOTS == BlockObject::RESERVED_SLOTS);
1.24 +
1.25 + setSlot(sc.slot(), v);
1.26 +
1.27 + // name may be null if we don't need to track side effects on the object.
1.28 + if (hasSingletonType() && !hasLazyType()) {
1.29 + JS_ASSERT(name);
1.30 + types::AddTypePropertyId(cx, this, NameToId(name), v);
1.31 + }
1.32 +}
1.33 +
1.34 +inline void
1.35 +CallObject::setAliasedVar(JSContext *cx, AliasedFormalIter fi, PropertyName *name, const Value &v)
1.36 +{
1.37 + JS_ASSERT(name == fi->name());
1.38 + setSlot(fi.scopeSlot(), v);
1.39 + if (hasSingletonType())
1.40 + types::AddTypePropertyId(cx, this, NameToId(name), v);
1.41 +}
1.42 +
1.43 +inline void
1.44 +CallObject::setAliasedVarFromArguments(JSContext *cx, const Value &argsValue, jsid id, const Value &v)
1.45 +{
1.46 + setSlot(argsValue.magicUint32(), v);
1.47 + if (hasSingletonType())
1.48 + types::AddTypePropertyId(cx, this, id, v);
1.49 +}
1.50 +
1.51 +template <AllowGC allowGC>
1.52 +inline bool
1.53 +StaticScopeIter<allowGC>::done() const
1.54 +{
1.55 + return !obj;
1.56 +}
1.57 +
1.58 +template <AllowGC allowGC>
1.59 +inline void
1.60 +StaticScopeIter<allowGC>::operator++(int)
1.61 +{
1.62 + if (obj->template is<NestedScopeObject>()) {
1.63 + obj = obj->template as<NestedScopeObject>().enclosingScopeForStaticScopeIter();
1.64 + } else if (onNamedLambda || !obj->template as<JSFunction>().isNamedLambda()) {
1.65 + onNamedLambda = false;
1.66 + obj = obj->template as<JSFunction>().nonLazyScript()->enclosingStaticScope();
1.67 + } else {
1.68 + onNamedLambda = true;
1.69 + }
1.70 + JS_ASSERT_IF(obj, obj->template is<NestedScopeObject>() || obj->template is<JSFunction>());
1.71 + JS_ASSERT_IF(onNamedLambda, obj->template is<JSFunction>());
1.72 +}
1.73 +
1.74 +template <AllowGC allowGC>
1.75 +inline bool
1.76 +StaticScopeIter<allowGC>::hasDynamicScopeObject() const
1.77 +{
1.78 + return obj->template is<StaticBlockObject>()
1.79 + ? obj->template as<StaticBlockObject>().needsClone()
1.80 + : (obj->template is<StaticWithObject>() ||
1.81 + obj->template as<JSFunction>().isHeavyweight());
1.82 +}
1.83 +
1.84 +template <AllowGC allowGC>
1.85 +inline Shape *
1.86 +StaticScopeIter<allowGC>::scopeShape() const
1.87 +{
1.88 + JS_ASSERT(hasDynamicScopeObject());
1.89 + JS_ASSERT(type() != NAMED_LAMBDA);
1.90 + if (type() == BLOCK)
1.91 + return block().lastProperty();
1.92 + return funScript()->callObjShape();
1.93 +}
1.94 +
1.95 +template <AllowGC allowGC>
1.96 +inline typename StaticScopeIter<allowGC>::Type
1.97 +StaticScopeIter<allowGC>::type() const
1.98 +{
1.99 + if (onNamedLambda)
1.100 + return NAMED_LAMBDA;
1.101 + return obj->template is<StaticBlockObject>()
1.102 + ? BLOCK
1.103 + : (obj->template is<StaticWithObject>() ? WITH : FUNCTION);
1.104 +}
1.105 +
1.106 +template <AllowGC allowGC>
1.107 +inline StaticBlockObject &
1.108 +StaticScopeIter<allowGC>::block() const
1.109 +{
1.110 + JS_ASSERT(type() == BLOCK);
1.111 + return obj->template as<StaticBlockObject>();
1.112 +}
1.113 +
1.114 +template <AllowGC allowGC>
1.115 +inline StaticWithObject &
1.116 +StaticScopeIter<allowGC>::staticWith() const
1.117 +{
1.118 + JS_ASSERT(type() == WITH);
1.119 + return obj->template as<StaticWithObject>();
1.120 +}
1.121 +
1.122 +template <AllowGC allowGC>
1.123 +inline JSScript *
1.124 +StaticScopeIter<allowGC>::funScript() const
1.125 +{
1.126 + JS_ASSERT(type() == FUNCTION);
1.127 + return obj->template as<JSFunction>().nonLazyScript();
1.128 +}
1.129 +
1.130 +} /* namespace js */
1.131 +
1.132 +#endif /* vm_ScopeObject_inl_h */
