mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-17 14:30:01 +00:00
97 lines
4.8 KiB
C++
97 lines
4.8 KiB
C++
/*
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* Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "YarrErrorCode.h"
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#include "Error.h"
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namespace JSC { namespace Yarr {
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const char* errorMessage(ErrorCode error)
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{
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#define REGEXP_ERROR_PREFIX "Invalid regular expression: "
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// The order of this array must match the ErrorCode enum.
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static const char* errorMessages[] = {
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nullptr, // NoError
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REGEXP_ERROR_PREFIX "regular expression too large", // PatternTooLarge
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REGEXP_ERROR_PREFIX "numbers out of order in {} quantifier", // QuantifierOutOfOrder
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REGEXP_ERROR_PREFIX "nothing to repeat", // QuantifierWithoutAtom
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REGEXP_ERROR_PREFIX "number too large in {} quantifier", // QuantifierTooLarge
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REGEXP_ERROR_PREFIX "missing )", // MissingParentheses
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REGEXP_ERROR_PREFIX "unmatched parentheses", // ParenthesesUnmatched
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REGEXP_ERROR_PREFIX "unrecognized character after (?", // ParenthesesTypeInvalid
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REGEXP_ERROR_PREFIX "invalid group specifier name", // InvalidGroupName
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REGEXP_ERROR_PREFIX "duplicate group specifier name", // DuplicateGroupName
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REGEXP_ERROR_PREFIX "missing terminating ] for character class", // CharacterClassUnmatched
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REGEXP_ERROR_PREFIX "range out of order in character class", // CharacterClassOutOfOrder
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REGEXP_ERROR_PREFIX "\\ at end of pattern", // EscapeUnterminated
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REGEXP_ERROR_PREFIX "invalid unicode {} escape", // InvalidUnicodeEscape
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REGEXP_ERROR_PREFIX "invalid backreference for unicode pattern", // InvalidBackreference
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REGEXP_ERROR_PREFIX "invalid escaped character for unicode pattern", // InvalidIdentityEscape
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REGEXP_ERROR_PREFIX "invalid property expression", // InvalidUnicodePropertyExpression
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REGEXP_ERROR_PREFIX "too many nested disjunctions", // TooManyDisjunctions
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REGEXP_ERROR_PREFIX "pattern exceeds string length limits", // OffsetTooLarge
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REGEXP_ERROR_PREFIX "invalid flags" // InvalidRegularExpressionFlags
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};
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return errorMessages[static_cast<unsigned>(error)];
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}
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JSObject* errorToThrow(ExecState* exec, ErrorCode error)
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{
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switch (error) {
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case ErrorCode::NoError:
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ASSERT_NOT_REACHED();
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return nullptr;
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case ErrorCode::PatternTooLarge:
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case ErrorCode::QuantifierOutOfOrder:
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case ErrorCode::QuantifierWithoutAtom:
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case ErrorCode::QuantifierTooLarge:
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case ErrorCode::MissingParentheses:
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case ErrorCode::ParenthesesUnmatched:
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case ErrorCode::ParenthesesTypeInvalid:
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case ErrorCode::InvalidGroupName:
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case ErrorCode::DuplicateGroupName:
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case ErrorCode::CharacterClassUnmatched:
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case ErrorCode::CharacterClassOutOfOrder:
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case ErrorCode::EscapeUnterminated:
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case ErrorCode::InvalidUnicodeEscape:
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case ErrorCode::InvalidBackreference:
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case ErrorCode::InvalidIdentityEscape:
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case ErrorCode::InvalidUnicodePropertyExpression:
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case ErrorCode::OffsetTooLarge:
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case ErrorCode::InvalidRegularExpressionFlags:
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return createSyntaxError(exec, errorMessage(error));
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case ErrorCode::TooManyDisjunctions:
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return createOutOfMemoryError(exec, errorMessage(error));
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}
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ASSERT_NOT_REACHED();
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return nullptr;
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}
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} } // namespace JSC::Yarr
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