The Tor Browser: js/src/jit/BaselineFrame-inl.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * vim: set ts=8 sts=4 et sw=4 tw=99:

     3  * This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 #ifndef jit_BaselineFrame_inl_h

     8 #define jit_BaselineFrame_inl_h

    10 #ifdef JS_ION

    12 #include "jit/BaselineFrame.h"

    14 #include "jscntxt.h"

    15 #include "jscompartment.h"

    17 #include "vm/ScopeObject.h"

    19 namespace js {

    20 namespace jit {

    22 inline void

    23 BaselineFrame::pushOnScopeChain(ScopeObject &scope)

    24 {

    25     JS_ASSERT(*scopeChain() == scope.enclosingScope() ||

    26               *scopeChain() == scope.as<CallObject>().enclosingScope().as<DeclEnvObject>().enclosingScope());

    27     scopeChain_ = &scope;

    28 }

    30 inline void

    31 BaselineFrame::popOffScopeChain()

    32 {

    33     scopeChain_ = &scopeChain_->as<ScopeObject>().enclosingScope();

    34 }

    36 inline void

    37 BaselineFrame::popWith(JSContext *cx)

    38 {

    39     if (MOZ_UNLIKELY(cx->compartment()->debugMode()))

    40         DebugScopes::onPopWith(this);

    42     JS_ASSERT(scopeChain()->is<DynamicWithObject>());

    43     popOffScopeChain();

    44 }

    46 inline bool

    47 BaselineFrame::pushBlock(JSContext *cx, Handle<StaticBlockObject *> block)

    48 {

    49     JS_ASSERT(block->needsClone());

    51     ClonedBlockObject *clone = ClonedBlockObject::create(cx, block, this);

    52     if (!clone)

    53         return false;

    54     pushOnScopeChain(*clone);

    56     return true;

    57 }

    59 inline void

    60 BaselineFrame::popBlock(JSContext *cx)

    61 {

    62     JS_ASSERT(scopeChain_->is<ClonedBlockObject>());

    64     popOffScopeChain();

    65 }

    67 inline CallObject &

    68 BaselineFrame::callObj() const

    69 {

    70     JS_ASSERT(hasCallObj());

    71     JS_ASSERT(fun()->isHeavyweight());

    73     JSObject *obj = scopeChain();

    74     while (!obj->is<CallObject>())

    75         obj = obj->enclosingScope();

    76     return obj->as<CallObject>();

    77 }

    79 } // namespace jit

    80 } // namespace js

    82 #endif // JS_ION

    84 #endif /* jit_BaselineFrame_inl_h */

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