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* Copyright (C) 1999-2000 Harri Porten (
* Copyright (C) 2008, 2016 Apple Inc. All rights reserved.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#pragma once
#include "JSObject.h"
#include "RuntimeType.h"
#include "SourceProvider.h"
namespace JSC {
class ErrorInstance : public JSNonFinalObject {
typedef JSNonFinalObject Base;
enum SourceTextWhereErrorOccurred { FoundExactSource, FoundApproximateSource };
typedef String (*SourceAppender) (const String& originalMessage, const String& sourceText, RuntimeType, SourceTextWhereErrorOccurred);
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
return Structure::create(vm, globalObject, prototype, TypeInfo(ErrorInstanceType, StructureFlags), info());
static ErrorInstance* create(ExecState* exec, VM& vm, Structure* structure, const String& message, SourceAppender appender = nullptr, RuntimeType type = TypeNothing, bool useCurrentFrame = true)
ErrorInstance* instance = new (NotNull, allocateCell<ErrorInstance>(vm.heap)) ErrorInstance(vm, structure);
instance->m_sourceAppender = appender;
instance->m_runtimeTypeForCause = type;
instance->finishCreation(exec, vm, message, useCurrentFrame);
return instance;
static ErrorInstance* create(ExecState*, Structure*, JSValue message, SourceAppender = nullptr, RuntimeType = TypeNothing, bool useCurrentFrame = true);
static void addErrorInfo(ExecState*, VM&, JSObject*, bool = true);
bool hasSourceAppender() const { return !!m_sourceAppender; }
SourceAppender sourceAppender() const { return m_sourceAppender; }
void setSourceAppender(SourceAppender appender) { m_sourceAppender = appender; }
void clearSourceAppender() { m_sourceAppender = nullptr; }
void setRuntimeTypeForCause(RuntimeType type) { m_runtimeTypeForCause = type; }
RuntimeType runtimeTypeForCause() const { return m_runtimeTypeForCause; }
void clearRuntimeTypeForCause() { m_runtimeTypeForCause = TypeNothing; }
JS_EXPORT_PRIVATE String sanitizedToString(ExecState*);
explicit ErrorInstance(VM&, Structure*);
void finishCreation(ExecState*, VM&, const String&, bool useCurrentFrame = true);
SourceAppender m_sourceAppender { nullptr };
RuntimeType m_runtimeTypeForCause { TypeNothing };
} // namespace JSC