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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* 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/. */
#include "frontend/AbstractScopePtr.h"
#include "mozilla/Maybe.h"
#include "frontend/CompilationInfo.h" // CompilationState
#include "frontend/Stencil.h"
#include "js/GCPolicyAPI.h"
#include "js/GCVariant.h"
using namespace js;
using namespace js::frontend;
ScopeStencil& AbstractScopePtr::scopeData() const {
const Deferred& data = scope_.as<Deferred>();
return data.compilationState.scopeData[data.index];
}
CompilationState& AbstractScopePtr::compilationState() const {
const Deferred& data = scope_.as<Deferred>();
return data.compilationState;
}
ScopeKind AbstractScopePtr::kind() const {
MOZ_ASSERT(!isNullptr());
if (isScopeStencil()) {
return scopeData().kind();
}
return scope()->kind();
}
AbstractScopePtr AbstractScopePtr::enclosing() const {
MOZ_ASSERT(!isNullptr());
if (isScopeStencil()) {
return scopeData().enclosing(compilationState());
}
return AbstractScopePtr(scope()->enclosing());
}
bool AbstractScopePtr::hasEnvironment() const {
MOZ_ASSERT(!isNullptr());
if (isScopeStencil()) {
return scopeData().hasEnvironment();
}
return scope()->hasEnvironment();
}
bool AbstractScopePtr::isArrow() const {
// nullptr will also fail the below assert, so effectively also checking
// !isNullptr()
MOZ_ASSERT(is<FunctionScope>());
if (isScopeStencil()) {
return scopeData().isArrow();
}
MOZ_ASSERT(scope()->as<FunctionScope>().canonicalFunction());
return scope()->as<FunctionScope>().canonicalFunction()->isArrow();
}
void AbstractScopePtr::trace(JSTracer* trc) {
JS::GCPolicy<ScopeType>::trace(trc, &scope_, "AbstractScopePtr");
}
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