| /* |
| * 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. |
| */ |
| |
| #include "config.h" |
| #include "YarrErrorCode.h" |
| |
| #include "Error.h" |
| |
| namespace JSC { namespace Yarr { |
| |
| const char* errorMessage(ErrorCode error) |
| { |
| #define REGEXP_ERROR_PREFIX "Invalid regular expression: " |
| // The order of this array must match the ErrorCode enum. |
| static const char* errorMessages[] = { |
| nullptr, // NoError |
| REGEXP_ERROR_PREFIX "regular expression too large", // PatternTooLarge |
| REGEXP_ERROR_PREFIX "numbers out of order in {} quantifier", // QuantifierOutOfOrder |
| REGEXP_ERROR_PREFIX "nothing to repeat", // QuantifierWithoutAtom |
| REGEXP_ERROR_PREFIX "number too large in {} quantifier", // QuantifierTooLarge |
| REGEXP_ERROR_PREFIX "incomplete {} quantifier for Unicode pattern", // QuantifierIncomplete |
| REGEXP_ERROR_PREFIX "missing )", // MissingParentheses |
| REGEXP_ERROR_PREFIX "unmatched ] or } bracket for Unicode pattern", // BracketUnmatched |
| REGEXP_ERROR_PREFIX "unmatched parentheses", // ParenthesesUnmatched |
| REGEXP_ERROR_PREFIX "unrecognized character after (?", // ParenthesesTypeInvalid |
| REGEXP_ERROR_PREFIX "invalid group specifier name", // InvalidGroupName |
| REGEXP_ERROR_PREFIX "duplicate group specifier name", // DuplicateGroupName |
| REGEXP_ERROR_PREFIX "missing terminating ] for character class", // CharacterClassUnmatched |
| REGEXP_ERROR_PREFIX "range out of order in character class", // CharacterClassRangeOutOfOrder |
| REGEXP_ERROR_PREFIX "invalid range in character class for Unicode pattern", // CharacterClassRangeInvalid |
| REGEXP_ERROR_PREFIX "\\ at end of pattern", // EscapeUnterminated |
| REGEXP_ERROR_PREFIX "invalid Unicode {} escape", // InvalidUnicodeEscape |
| REGEXP_ERROR_PREFIX "invalid backreference for Unicode pattern", // InvalidBackreference |
| REGEXP_ERROR_PREFIX "invalid \\k<> named backreference", // InvalidNamedBackReference |
| REGEXP_ERROR_PREFIX "invalid escaped character for Unicode pattern", // InvalidIdentityEscape |
| REGEXP_ERROR_PREFIX "invalid \\c escape for Unicode pattern", // InvalidControlLetterEscape |
| REGEXP_ERROR_PREFIX "invalid property expression", // InvalidUnicodePropertyExpression |
| REGEXP_ERROR_PREFIX "too many nested disjunctions", // TooManyDisjunctions |
| REGEXP_ERROR_PREFIX "pattern exceeds string length limits", // OffsetTooLarge |
| REGEXP_ERROR_PREFIX "invalid flags" // InvalidRegularExpressionFlags |
| }; |
| |
| return errorMessages[static_cast<unsigned>(error)]; |
| } |
| |
| JSObject* errorToThrow(JSGlobalObject* globalObject, ErrorCode error) |
| { |
| switch (error) { |
| case ErrorCode::NoError: |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| case ErrorCode::PatternTooLarge: |
| case ErrorCode::QuantifierOutOfOrder: |
| case ErrorCode::QuantifierWithoutAtom: |
| case ErrorCode::QuantifierTooLarge: |
| case ErrorCode::QuantifierIncomplete: |
| case ErrorCode::MissingParentheses: |
| case ErrorCode::BracketUnmatched: |
| case ErrorCode::ParenthesesUnmatched: |
| case ErrorCode::ParenthesesTypeInvalid: |
| case ErrorCode::InvalidGroupName: |
| case ErrorCode::DuplicateGroupName: |
| case ErrorCode::CharacterClassUnmatched: |
| case ErrorCode::CharacterClassRangeOutOfOrder: |
| case ErrorCode::CharacterClassRangeInvalid: |
| case ErrorCode::EscapeUnterminated: |
| case ErrorCode::InvalidUnicodeEscape: |
| case ErrorCode::InvalidBackreference: |
| case ErrorCode::InvalidNamedBackReference: |
| case ErrorCode::InvalidIdentityEscape: |
| case ErrorCode::InvalidControlLetterEscape: |
| case ErrorCode::InvalidUnicodePropertyExpression: |
| case ErrorCode::OffsetTooLarge: |
| case ErrorCode::InvalidRegularExpressionFlags: |
| return createSyntaxError(globalObject, errorMessage(error)); |
| case ErrorCode::TooManyDisjunctions: |
| return createOutOfMemoryError(globalObject, errorMessage(error)); |
| } |
| |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| |
| } } // namespace JSC::Yarr |