bool XDRState<mode>::codeScript(MutableHandleScript scriptp) { RootedScript script(cx()); if (mode == XDR_DECODE) { script = NULL; scriptp.set(NULL); } else { script = scriptp.get(); } if (!VersionCheck(this)) return false; if (!XDRScript(this, NullPtr(), NullPtr(), NullPtr(), &script)) return false; if (mode == XDR_DECODE) { JS_ASSERT(!script->compileAndGo); CallNewScriptHook(cx(), script, NullPtr()); Debugger::onNewScript(cx(), script, NULL); scriptp.set(script); } return true; }
bool XDRState<mode>::codeScript(MutableHandleScript scriptp) { if (mode == XDR_DECODE) scriptp.set(nullptr); else MOZ_ASSERT(!scriptp->enclosingScope()); if (!VersionCheck(this)) return false; return XDRScript(this, nullptr, nullptr, nullptr, scriptp); }
bool XDRState<mode>::codeScript(MutableHandleScript scriptp) { if (mode == XDR_DECODE) scriptp.set(nullptr); else MOZ_ASSERT(!scriptp->enclosingScope()); if (!VersionCheck(this)) { postProcessContextErrors(cx()); return false; } if (!XDRScript(this, nullptr, nullptr, nullptr, scriptp)) { postProcessContextErrors(cx()); scriptp.set(nullptr); return false; } return true; }
bool XDRState<mode>::codeScript(MutableHandleScript scriptp) { if (mode == XDR_DECODE) scriptp.set(nullptr); if (!VersionCheck(this)) return false; if (!XDRScript(this, NullPtr(), NullPtr(), NullPtr(), scriptp)) return false; return true; }
bool XDRState<mode>::codeScript(MutableHandleScript scriptp) { if (mode == XDR_DECODE) scriptp.set(nullptr); if (!VersionCheck(this)) return false; RootedObject staticLexical(cx(), &cx()->global()->lexicalScope().staticBlock()); if (!XDRScript(this, staticLexical, nullptr, nullptr, scriptp)) return false; return true; }
// We only serialize scripts with system principals. So we don't serialize the // principals when writing a script. Instead, when reading it back, we set the // principals to the system principals. nsresult ReadCachedScript(StartupCache* cache, nsACString& uri, JSContext* cx, nsIPrincipal* systemPrincipal, MutableHandleScript scriptp) { UniquePtr<char[]> buf; uint32_t len; nsresult rv = cache->GetBuffer(PromiseFlatCString(uri).get(), &buf, &len); if (NS_FAILED(rv)) return rv; // don't warn since NOT_AVAILABLE is an ok error scriptp.set(JS_DecodeScript(cx, buf.get(), len)); if (!scriptp) return NS_ERROR_OUT_OF_MEMORY; return NS_OK; }
void ion::GetPcScript(JSContext *cx, MutableHandleScript scriptRes, jsbytecode **pcRes) { JS_ASSERT(cx->fp()->beginsIonActivation()); IonSpew(IonSpew_Snapshots, "Recover PC & Script from the last frame."); JSRuntime *rt = cx->runtime; // Recover the return address. IonFrameIterator it(rt->ionTop); uint8_t *retAddr = it.returnAddress(); uint32_t hash = PcScriptCache::Hash(retAddr); JS_ASSERT(retAddr != NULL); // Lazily initialize the cache. The allocation may safely fail and will not GC. if (JS_UNLIKELY(rt->ionPcScriptCache == NULL)) { rt->ionPcScriptCache = (PcScriptCache *)js_malloc(sizeof(struct PcScriptCache)); if (rt->ionPcScriptCache) rt->ionPcScriptCache->clear(rt->gcNumber); } // Attempt to lookup address in cache. if (rt->ionPcScriptCache && rt->ionPcScriptCache->get(rt, hash, retAddr, scriptRes, pcRes)) return; // Lookup failed: undertake expensive process to recover the innermost inlined frame. ++it; // Skip exit frame. InlineFrameIterator ifi(&it); // Set the result. scriptRes.set(ifi.script()); if (pcRes) *pcRes = ifi.pc(); // Add entry to cache. if (rt->ionPcScriptCache) rt->ionPcScriptCache->add(hash, retAddr, ifi.pc(), ifi.script()); }