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ExecutableInfo.h
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/*
* 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.
*/
#pragma once
#include "ParserModes.h"
namespace JSC {
enum class DerivedContextType : uint8_t { None, DerivedConstructorContext, DerivedMethodContext };
enum class EvalContextType : uint8_t { None, FunctionEvalContext, InstanceFieldEvalContext };
enum class NeedsClassFieldInitializer : uint8_t { No, Yes };
// FIXME: These flags, ParserModes and propagation to XXXCodeBlocks should be reorganized.
// https://bugs.webkit.org/show_bug.cgi?id=151547
struct ExecutableInfo {
ExecutableInfo(bool usesEval, bool isConstructor, bool isBuiltinFunction, ConstructorKind constructorKind, JSParserScriptMode scriptMode, SuperBinding superBinding, SourceParseMode parseMode, DerivedContextType derivedContextType, NeedsClassFieldInitializer needsClassFieldInitializer, bool isArrowFunctionContext, bool isClassContext, EvalContextType evalContextType)
: m_usesEval(usesEval)
, m_isConstructor(isConstructor)
, m_isBuiltinFunction(isBuiltinFunction)
, m_constructorKind(static_cast<unsigned>(constructorKind))
, m_superBinding(static_cast<unsigned>(superBinding))
, m_scriptMode(static_cast<unsigned>(scriptMode))
, m_parseMode(parseMode)
, m_derivedContextType(static_cast<unsigned>(derivedContextType))
, m_needsClassFieldInitializer(static_cast<unsigned>(needsClassFieldInitializer))
, m_isArrowFunctionContext(isArrowFunctionContext)
, m_isClassContext(isClassContext)
, m_evalContextType(static_cast<unsigned>(evalContextType))
{
ASSERT(m_constructorKind == static_cast<unsigned>(constructorKind));
ASSERT(m_superBinding == static_cast<unsigned>(superBinding));
ASSERT(m_scriptMode == static_cast<unsigned>(scriptMode));
}
bool usesEval() const { return m_usesEval; }
bool isConstructor() const { return m_isConstructor; }
bool isBuiltinFunction() const { return m_isBuiltinFunction; }
ConstructorKind constructorKind() const { return static_cast<ConstructorKind>(m_constructorKind); }
SuperBinding superBinding() const { return static_cast<SuperBinding>(m_superBinding); }
JSParserScriptMode scriptMode() const { return static_cast<JSParserScriptMode>(m_scriptMode); }
SourceParseMode parseMode() const { return m_parseMode; }
DerivedContextType derivedContextType() const { return static_cast<DerivedContextType>(m_derivedContextType); }
EvalContextType evalContextType() const { return static_cast<EvalContextType>(m_evalContextType); }
bool isArrowFunctionContext() const { return m_isArrowFunctionContext; }
bool isClassContext() const { return m_isClassContext; }
NeedsClassFieldInitializer needsClassFieldInitializer() const { return static_cast<NeedsClassFieldInitializer>(m_needsClassFieldInitializer); }
private:
unsigned m_usesEval : 1;
unsigned m_isConstructor : 1;
unsigned m_isBuiltinFunction : 1;
unsigned m_constructorKind : 2;
unsigned m_superBinding : 1;
unsigned m_scriptMode: 1;
SourceParseMode m_parseMode;
unsigned m_derivedContextType : 2;
unsigned m_needsClassFieldInitializer : 1;
unsigned m_isArrowFunctionContext : 1;
unsigned m_isClassContext : 1;
unsigned m_evalContextType : 2;
};
} // namespace JSC