jsscriptinlines.h
/* -*- 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 jsscriptinlines_h
#define jsscriptinlines_h
#include "jsscript.h"
#include "asmjs/AsmJSLink.h"
#include "jit/BaselineJIT.h"
#include "jit/IonAnalysis.h"
#include "vm/ScopeObject.h"
#include "jscompartmentinlines.h"
#include "vm/Shape-inl.h"
namespace js {
inline
Bindings::Bindings()
: callObjShape_(nullptr), bindingArrayAndFlag_(TEMPORARY_STORAGE_BIT),
numArgs_(0), numBlockScoped_(0), numVars_(0)
{}
inline
AliasedFormalIter::AliasedFormalIter(JSScript* script)
: begin_(script->bindingArray()),
p_(begin_),
end_(begin_ + (script->funHasAnyAliasedFormal() ? script->numArgs() : 0)),
slot_(CallObject::RESERVED_SLOTS)
{
settle();
}
inline void
ScriptCounts::destroy(FreeOp* fop)
{
fop->free_(pcCountsVector);
fop->delete_(ionCounts);
}
void
SetFrameArgumentsObject(JSContext* cx, AbstractFramePtr frame,
HandleScript script, JSObject* argsobj);
inline JSFunction*
LazyScript::functionDelazifying(JSContext* cx) const
{
if (function_ && !function_->getOrCreateScript(cx))
return nullptr;
return function_;
}
} // namespace js
inline JSFunction*
JSScript::functionDelazifying() const
{
if (function_ && function_->isInterpretedLazy()) {
function_->setUnlazifiedScript(const_cast<JSScript*>(this));
// If this script has a LazyScript, make sure the LazyScript has a
// reference to the script when delazifying its canonical function.
if (lazyScript && !lazyScript->maybeScript())
lazyScript->initScript(const_cast<JSScript*>(this));
}
return function_;
}
inline void
JSScript::setFunction(JSFunction* fun)
{
JS_ASSERT(fun->isTenured());
function_ = fun;
}
inline void
JSScript::ensureNonLazyCanonicalFunction(JSContext* cx)
{
// Infallibly delazify the canonical script.
if (function_ && function_->isInterpretedLazy())
functionDelazifying();
}
inline JSFunction*
JSScript::getFunction(size_t index)
{
JSFunction* fun = &getObject(index)->as<JSFunction>();
JS_ASSERT_IF(fun->isNative(), IsAsmJSModuleNative(fun->native()));
return fun;
}
inline JSFunction*
JSScript::getCallerFunction()
{
JS_ASSERT(savedCallerFun());
return getFunction(0);
}
inline JSFunction*
JSScript::functionOrCallerFunction()
{
if (functionNonDelazifying())
return functionNonDelazifying();
if (savedCallerFun())
return getCallerFunction();
return nullptr;
}
inline js::RegExpObject*
JSScript::getRegExp(size_t index)
{
js::ObjectArray* arr = regexps();
JS_ASSERT(uint32_t(index) < arr->length);
JSObject* obj = arr->vector[index];
JS_ASSERT(obj->is<js::RegExpObject>());
return (js::RegExpObject*) obj;
}
inline js::RegExpObject*
JSScript::getRegExp(jsbytecode* pc)
{
JS_ASSERT(containsPC(pc) && containsPC(pc + sizeof(uint32_t)));
return getRegExp(GET_UINT32_INDEX(pc));
}
inline js::GlobalObject&
JSScript::global() const
{
/*
* A JSScript always marks its compartment's global (via bindings) so we
* can assert that maybeGlobal is non-null here.
*/
return *compartment()->maybeGlobal();
}
inline JSPrincipals*
JSScript::principals()
{
return compartment()->principals;
}
inline JSFunction*
JSScript::donorFunction() const
{
if (!isCallsiteClone())
return nullptr;
return &enclosingScopeOrOriginalFunction_->as<JSFunction>();
}
inline void
JSScript::setIsCallsiteClone(JSObject* fun)
{
JS_ASSERT(shouldCloneAtCallsite());
shouldCloneAtCallsite_ = false;
isCallsiteClone_ = true;
JS_ASSERT(isCallsiteClone());
JS_ASSERT(fun->is<JSFunction>());
enclosingScopeOrOriginalFunction_ = fun;
}
inline void
JSScript::setBaselineScript(JSContext* maybecx, js::jit::BaselineScript* baselineScript)
{
if (hasBaselineScript())
js::jit::BaselineScript::writeBarrierPre(tenuredZone(), baseline);
MOZ_ASSERT(!hasIonScript());
baseline = baselineScript;
updateBaselineOrIonRaw();
}
inline bool
JSScript::ensureHasAnalyzedArgsUsage(JSContext* cx)
{
if (analyzedArgsUsage())
return true;
return js::jit::AnalyzeArgumentsUsage(cx, this);
}
#endif /* jsscriptinlines_h */