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/*
* Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>.
*
* 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 <wtf/Forward.h>
namespace JSC {
class CallFrame;
class JSGlobalObject;
class JSObject;
namespace Yarr {
enum class ErrorCode : uint8_t {
NoError = 0,
PatternTooLarge,
QuantifierOutOfOrder,
QuantifierWithoutAtom,
QuantifierTooLarge,
QuantifierIncomplete,
CantQuantifyAtom,
MissingParentheses,
BracketUnmatched,
ParenthesesUnmatched,
ParenthesesTypeInvalid,
InvalidGroupName,
DuplicateGroupName,
CharacterClassUnmatched,
CharacterClassRangeOutOfOrder,
CharacterClassRangeInvalid,
ClassStringDisjunctionUnmatched,
EscapeUnterminated,
InvalidUnicodeEscape,
InvalidUnicodeCodePointEscape,
InvalidBackreference,
InvalidNamedBackReference,
InvalidIdentityEscape,
InvalidOctalEscape,
InvalidControlLetterEscape,
InvalidUnicodePropertyExpression,
TooManyDisjunctions,
OffsetTooLarge,
InvalidRegularExpressionFlags,
InvalidClassSetOperation,
NegatedClassSetMayContainStrings,
InvalidClassSetCharacter,
};
JS_EXPORT_PRIVATE ASCIILiteral errorMessage(ErrorCode);
inline bool hasError(ErrorCode errorCode)
{
return errorCode != ErrorCode::NoError;
}
inline bool hasHardError(ErrorCode errorCode)
{
// TooManyDisjunctions means that we ran out stack compiling.
// All other errors are due to problems in the expression.
return hasError(errorCode) && errorCode != ErrorCode::TooManyDisjunctions;
}
JS_EXPORT_PRIVATE JSObject* errorToThrow(JSGlobalObject*, ErrorCode);
} } // namespace JSC::Yarr
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