The Tor Browser: js/src/jsscriptinlines.h@b8a032363ba2 (annotated)

js/src/jsscriptinlines.h@b8a032363ba2 (annotated)

js/src/jsscriptinlines.h

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- 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 "jit/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)
 {
 #ifdef JS_ION
     if (hasBaselineScript())
         js::jit::BaselineScript::writeBarrierPre(tenuredZone(), baseline);
 #endif
     MOZ_ASSERT(!hasIonScript());
     baseline = baselineScript;
     updateBaselineOrIonRaw();
 }
 inline bool
 JSScript::ensureHasAnalyzedArgsUsage(JSContext *cx)
 {
     if (analyzedArgsUsage())
         return true;
 #ifdef JS_ION
     return js::jit::AnalyzeArgumentsUsage(cx, this);
 #else
     MOZ_CRASH();
 #endif
 }
 #endif /* jsscriptinlines_h */

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js/src/jsscriptinlines.h@b8a032363ba2 (annotated)

js/src/jsscriptinlines.h