Source/JavaScriptCore/bytecode/ExecutableInfo.h

/*
 * Copyright (C) 2012-2015 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef ExecutableInfo_h
#define ExecutableInfo_h

#include "ParserModes.h"

namespace JSC {

struct ExecutableInfo {
    ExecutableInfo(bool needsActivation, bool usesEval, bool isStrictMode, bool isConstructor, bool isBuiltinFunction, ConstructorKind constructorKind, bool isArrowFunction, bool isDerivedConstructorContext, bool isArrowFunctionContext)
        : m_needsActivation(needsActivation)
        , m_usesEval(usesEval)
        , m_isStrictMode(isStrictMode)
        , m_isConstructor(isConstructor)
        , m_isBuiltinFunction(isBuiltinFunction)
        , m_constructorKind(static_cast<unsigned>(constructorKind))
        , m_isArrowFunction(isArrowFunction)
        , m_isDerivedConstructorContext(isDerivedConstructorContext)
        , m_isArrowFunctionContext(isArrowFunctionContext)
    {
        ASSERT(m_constructorKind == static_cast<unsigned>(constructorKind));
    }

    bool needsActivation() const { return m_needsActivation; }
    bool usesEval() const { return m_usesEval; }
    bool isStrictMode() const { return m_isStrictMode; }
    bool isConstructor() const { return m_isConstructor; }
    bool isBuiltinFunction() const { return m_isBuiltinFunction; }
    ConstructorKind constructorKind() const { return static_cast<ConstructorKind>(m_constructorKind); }
    bool isArrowFunction() const { return m_isArrowFunction; }
    bool isDerivedConstructorContext() const { return m_isDerivedConstructorContext; }
    bool isArrowFunctionContext() const { return m_isArrowFunctionContext; }

private:
    unsigned m_needsActivation : 1;
    unsigned m_usesEval : 1;
    unsigned m_isStrictMode : 1;
    unsigned m_isConstructor : 1;
    unsigned m_isBuiltinFunction : 1;
    unsigned m_constructorKind : 2;
    unsigned m_isArrowFunction : 1;
    unsigned m_isDerivedConstructorContext : 1;
    unsigned m_isArrowFunctionContext : 1;
};

} // namespace JSC

#endif // ExecutableInfo_h