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/*
* Copyright (C) 2013 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 "Error.h"
#include "ErrorHandlingScope.h"
#include "ExceptionHelpers.h"
#include "JSGlobalObject.h"
#include "ParserTokens.h"
#include "SourceCode.h"
#include <wtf/text/WTFString.h>
namespace JSC {
class ParserError {
public:
enum SyntaxErrorType : uint8_t {
SyntaxErrorNone,
SyntaxErrorIrrecoverable,
SyntaxErrorUnterminatedLiteral,
SyntaxErrorRecoverable
};
enum ErrorType : uint8_t {
ErrorNone,
StackOverflow,
EvalError,
OutOfMemory,
SyntaxError
};
ParserError()
: m_type(ErrorNone)
, m_syntaxErrorType(SyntaxErrorNone)
{
}
explicit ParserError(ErrorType type)
: m_type(type)
, m_syntaxErrorType(SyntaxErrorNone)
{
}
ParserError(ErrorType type, SyntaxErrorType syntaxError, JSToken token)
: m_token(token)
, m_type(type)
, m_syntaxErrorType(syntaxError)
{
}
ParserError(ErrorType type, SyntaxErrorType syntaxError, JSToken token, const String& msg, int line)
: m_token(token)
, m_message(msg)
, m_line(line)
, m_type(type)
, m_syntaxErrorType(syntaxError)
{
}
bool isValid() const { return m_type != ErrorNone; }
SyntaxErrorType syntaxErrorType() const { return m_syntaxErrorType; }
const JSToken& token() const { return m_token; }
const String& message() const { return m_message; }
int line() const { return m_line; }
ErrorType type() const { return m_type; }
JSObject* toErrorObject(
JSGlobalObject* globalObject,
SourceCode source, // Note: We must copy the source here, since the objects that pass in their SourceCode field may be destroyed in addErrorInfo.
int overrideLineNumber = -1)
{
switch (m_type) {
case ErrorNone:
return nullptr;
case SyntaxError:
return addErrorInfo(
globalObject->vm(),
createSyntaxError(globalObject, m_message),
overrideLineNumber == -1 ? m_line : overrideLineNumber, source);
case EvalError:
return createSyntaxError(globalObject, m_message);
case StackOverflow: {
ErrorHandlingScope errorScope(getVM(globalObject));
return createStackOverflowError(globalObject);
}
case OutOfMemory:
return createOutOfMemoryError(globalObject);
}
CRASH();
return nullptr;
}
private:
JSToken m_token;
String m_message;
int m_line { -1 };
ErrorType m_type;
SyntaxErrorType m_syntaxErrorType;
};
} // namespace JSC
namespace WTF {
inline void printInternal(PrintStream& out, JSC::ParserError::SyntaxErrorType type)
{
switch (type) {
case JSC::ParserError::SyntaxErrorNone:
out.print("SyntaxErrorNone");
return;
case JSC::ParserError::SyntaxErrorIrrecoverable:
out.print("SyntaxErrorIrrecoverable");
return;
case JSC::ParserError::SyntaxErrorUnterminatedLiteral:
out.print("SyntaxErrorUnterminatedLiteral");
return;
case JSC::ParserError::SyntaxErrorRecoverable:
out.print("SyntaxErrorRecoverable");
return;
}
RELEASE_ASSERT_NOT_REACHED();
}
inline void printInternal(PrintStream& out, JSC::ParserError::ErrorType type)
{
switch (type) {
case JSC::ParserError::ErrorNone:
out.print("ErrorNone");
return;
case JSC::ParserError::StackOverflow:
out.print("StackOverflow");
return;
case JSC::ParserError::EvalError:
out.print("EvalError");
return;
case JSC::ParserError::OutOfMemory:
out.print("OutOfMemory");
return;
case JSC::ParserError::SyntaxError:
out.print("SyntaxError");
return;
}
RELEASE_ASSERT_NOT_REACHED();
}
} // namespace WTF
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