The Tor Browser / file comparison
comparison: js/src/jsscriptinlines.h
js/src/jsscriptinlines.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:cb9061b0d25d |
|---|---|
| 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/. */ | |
| 6 | |
| 7 #ifndef jsscriptinlines_h | |
| 8 #define jsscriptinlines_h | |
| 9 | |
| 10 #include "jsscript.h" | |
| 11 | |
| 12 #include "jit/AsmJSLink.h" | |
| 13 #include "jit/BaselineJIT.h" | |
| 14 #include "jit/IonAnalysis.h" | |
| 15 #include "vm/ScopeObject.h" | |
| 16 | |
| 17 #include "jscompartmentinlines.h" | |
| 18 | |
| 19 #include "vm/Shape-inl.h" | |
| 20 | |
| 21 namespace js { | |
| 22 | |
| 23 inline | |
| 24 Bindings::Bindings() | |
| 25 : callObjShape_(nullptr), bindingArrayAndFlag_(TEMPORARY_STORAGE_BIT), | |
| 26 numArgs_(0), numBlockScoped_(0), numVars_(0) | |
| 27 {} | |
| 28 | |
| 29 inline | |
| 30 AliasedFormalIter::AliasedFormalIter(JSScript *script) | |
| 31 : begin_(script->bindingArray()), | |
| 32 p_(begin_), | |
| 33 end_(begin_ + (script->funHasAnyAliasedFormal() ? script->numArgs() : 0)), | |
| 34 slot_(CallObject::RESERVED_SLOTS) | |
| 35 { | |
| 36 settle(); | |
| 37 } | |
| 38 | |
| 39 inline void | |
| 40 ScriptCounts::destroy(FreeOp *fop) | |
| 41 { | |
| 42 fop->free_(pcCountsVector); | |
| 43 fop->delete_(ionCounts); | |
| 44 } | |
| 45 | |
| 46 void | |
| 47 SetFrameArgumentsObject(JSContext *cx, AbstractFramePtr frame, | |
| 48 HandleScript script, JSObject *argsobj); | |
| 49 | |
| 50 inline JSFunction * | |
| 51 LazyScript::functionDelazifying(JSContext *cx) const | |
| 52 { | |
| 53 if (function_ && !function_->getOrCreateScript(cx)) | |
| 54 return nullptr; | |
| 55 return function_; | |
| 56 } | |
| 57 | |
| 58 } // namespace js | |
| 59 | |
| 60 inline JSFunction * | |
| 61 JSScript::functionDelazifying() const | |
| 62 { | |
| 63 if (function_ && function_->isInterpretedLazy()) { | |
| 64 function_->setUnlazifiedScript(const_cast<JSScript *>(this)); | |
| 65 // If this script has a LazyScript, make sure the LazyScript has a | |
| 66 // reference to the script when delazifying its canonical function. | |
| 67 if (lazyScript && !lazyScript->maybeScript()) | |
| 68 lazyScript->initScript(const_cast<JSScript *>(this)); | |
| 69 } | |
| 70 return function_; | |
| 71 } | |
| 72 | |
| 73 inline void | |
| 74 JSScript::setFunction(JSFunction *fun) | |
| 75 { | |
| 76 JS_ASSERT(fun->isTenured()); | |
| 77 function_ = fun; | |
| 78 } | |
| 79 | |
| 80 inline void | |
| 81 JSScript::ensureNonLazyCanonicalFunction(JSContext *cx) | |
| 82 { | |
| 83 // Infallibly delazify the canonical script. | |
| 84 if (function_ && function_->isInterpretedLazy()) | |
| 85 functionDelazifying(); | |
| 86 } | |
| 87 | |
| 88 inline JSFunction * | |
| 89 JSScript::getFunction(size_t index) | |
| 90 { | |
| 91 JSFunction *fun = &getObject(index)->as<JSFunction>(); | |
| 92 JS_ASSERT_IF(fun->isNative(), IsAsmJSModuleNative(fun->native())); | |
| 93 return fun; | |
| 94 } | |
| 95 | |
| 96 inline JSFunction * | |
| 97 JSScript::getCallerFunction() | |
| 98 { | |
| 99 JS_ASSERT(savedCallerFun()); | |
| 100 return getFunction(0); | |
| 101 } | |
| 102 | |
| 103 inline JSFunction * | |
| 104 JSScript::functionOrCallerFunction() | |
| 105 { | |
| 106 if (functionNonDelazifying()) | |
| 107 return functionNonDelazifying(); | |
| 108 if (savedCallerFun()) | |
| 109 return getCallerFunction(); | |
| 110 return nullptr; | |
| 111 } | |
| 112 | |
| 113 inline js::RegExpObject * | |
| 114 JSScript::getRegExp(size_t index) | |
| 115 { | |
| 116 js::ObjectArray *arr = regexps(); | |
| 117 JS_ASSERT(uint32_t(index) < arr->length); | |
| 118 JSObject *obj = arr->vector[index]; | |
| 119 JS_ASSERT(obj->is<js::RegExpObject>()); | |
| 120 return (js::RegExpObject *) obj; | |
| 121 } | |
| 122 | |
| 123 inline js::RegExpObject * | |
| 124 JSScript::getRegExp(jsbytecode *pc) | |
| 125 { | |
| 126 JS_ASSERT(containsPC(pc) && containsPC(pc + sizeof(uint32_t))); | |
| 127 return getRegExp(GET_UINT32_INDEX(pc)); | |
| 128 } | |
| 129 | |
| 130 inline js::GlobalObject & | |
| 131 JSScript::global() const | |
| 132 { | |
| 133 /* | |
| 134 * A JSScript always marks its compartment's global (via bindings) so we | |
| 135 * can assert that maybeGlobal is non-null here. | |
| 136 */ | |
| 137 return *compartment()->maybeGlobal(); | |
| 138 } | |
| 139 | |
| 140 inline JSPrincipals * | |
| 141 JSScript::principals() | |
| 142 { | |
| 143 return compartment()->principals; | |
| 144 } | |
| 145 | |
| 146 inline JSFunction * | |
| 147 JSScript::donorFunction() const | |
| 148 { | |
| 149 if (!isCallsiteClone()) | |
| 150 return nullptr; | |
| 151 return &enclosingScopeOrOriginalFunction_->as<JSFunction>(); | |
| 152 } | |
| 153 | |
| 154 inline void | |
| 155 JSScript::setIsCallsiteClone(JSObject *fun) | |
| 156 { | |
| 157 JS_ASSERT(shouldCloneAtCallsite()); | |
| 158 shouldCloneAtCallsite_ = false; | |
| 159 isCallsiteClone_ = true; | |
| 160 JS_ASSERT(isCallsiteClone()); | |
| 161 JS_ASSERT(fun->is<JSFunction>()); | |
| 162 enclosingScopeOrOriginalFunction_ = fun; | |
| 163 } | |
| 164 | |
| 165 inline void | |
| 166 JSScript::setBaselineScript(JSContext *maybecx, js::jit::BaselineScript *baselineScript) | |
| 167 { | |
| 168 #ifdef JS_ION | |
| 169 if (hasBaselineScript()) | |
| 170 js::jit::BaselineScript::writeBarrierPre(tenuredZone(), baseline); | |
| 171 #endif | |
| 172 MOZ_ASSERT(!hasIonScript()); | |
| 173 baseline = baselineScript; | |
| 174 updateBaselineOrIonRaw(); | |
| 175 } | |
| 176 | |
| 177 inline bool | |
| 178 JSScript::ensureHasAnalyzedArgsUsage(JSContext *cx) | |
| 179 { | |
| 180 if (analyzedArgsUsage()) | |
| 181 return true; | |
| 182 #ifdef JS_ION | |
| 183 return js::jit::AnalyzeArgumentsUsage(cx, this); | |
| 184 #else | |
| 185 MOZ_CRASH(); | |
| 186 #endif | |
| 187 } | |
| 188 | |
| 189 #endif /* jsscriptinlines_h */ |
