mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
95 lines
3.6 KiB
C++
95 lines
3.6 KiB
C++
/*
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* Copyright (C) 2012-2013, 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "JSCJSValue.h"
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#include "ProfilerBytecodes.h"
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#include "ProfilerCompilation.h"
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#include "ProfilerEvent.h"
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#include <wtf/FastMalloc.h>
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#include <wtf/HashMap.h>
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#include <wtf/Lock.h>
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#include <wtf/Noncopyable.h>
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#include <wtf/SegmentedVector.h>
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#include <wtf/text/WTFString.h>
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namespace JSC { namespace Profiler {
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class Database {
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WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(Database);
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public:
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JS_EXPORT_PRIVATE Database(VM&);
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JS_EXPORT_PRIVATE ~Database();
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int databaseID() const { return m_databaseID; }
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Bytecodes* ensureBytecodesFor(CodeBlock*);
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void notifyDestruction(CodeBlock*);
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void addCompilation(CodeBlock*, Ref<Compilation>&&);
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// Converts the database to a JavaScript object that is suitable for JSON stringification.
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// Note that it's probably a good idea to use an CallFrame* associated with a global
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// object that is "clean" - i.e. array and object prototypes haven't had strange things
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// done to them. And yes, it should be appropriate to just use a globalExec here.
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JS_EXPORT_PRIVATE JSValue toJS(JSGlobalObject*) const;
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// Converts the database to a JavaScript object using a private temporary global object,
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// and then returns the JSON representation of that object.
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JS_EXPORT_PRIVATE String toJSON() const;
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// Saves the JSON representation (from toJSON()) to the given file. Returns false if the
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// save failed.
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JS_EXPORT_PRIVATE bool save(const char* filename) const;
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void registerToSaveAtExit(const char* filename);
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JS_EXPORT_PRIVATE void logEvent(CodeBlock* codeBlock, const char* summary, const CString& detail);
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private:
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Bytecodes* ensureBytecodesFor(const AbstractLocker&, CodeBlock*);
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void addDatabaseToAtExit();
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void removeDatabaseFromAtExit();
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void performAtExitSave() const;
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static Database* removeFirstAtExitDatabase();
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static void atExitCallback();
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int m_databaseID;
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VM& m_vm;
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SegmentedVector<Bytecodes> m_bytecodes;
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HashMap<CodeBlock*, Bytecodes*> m_bytecodesMap;
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Vector<Ref<Compilation>> m_compilations;
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HashMap<CodeBlock*, Ref<Compilation>> m_compilationMap;
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Vector<Event> m_events;
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bool m_shouldSaveAtExit;
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CString m_atExitSaveFilename;
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Database* m_nextRegisteredDatabase;
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Lock m_lock;
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};
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} } // namespace JSC::Profiler
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