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https://github.com/Samsung/escargot.git
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ccdf475f9b
* In small config, we turn off SyntaxChecker for small binary size * CompressibleString should get VMInstance instead of Context * If ICU is disabled, we don't need unicode information in yarr * Remove unused variable in yarr(RegExpJitTables) * Fix lz4 compile error Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
118 lines
3.9 KiB
C++
118 lines
3.9 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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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 "WTFBridge.h"
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#include "YarrUnicodeProperties.h"
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#include "Yarr.h"
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#include "YarrPattern.h"
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using namespace WTF;
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namespace JSC {
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namespace Yarr {
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struct HashIndex {
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int16_t value;
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int16_t next;
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};
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struct HashValue {
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const char* key;
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int index;
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};
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struct HashTable {
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int numberOfValues;
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int indexMask;
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const HashValue* values;
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const HashIndex* index;
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ALWAYS_INLINE int entry(WTF::String& key) const
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{
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for (int i = 0; i < numberOfValues; i++) {
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if (key.impl()->equals(values[i].key, strlen(values[i].key)))
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return values[i].index;
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}
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return -1;
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}
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};
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#if defined(ENABLE_ICU)
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#include "UnicodePatternTables.h"
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#endif
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Optional<BuiltInCharacterClassID> unicodeMatchPropertyValue(WTF::String unicodePropertyName, WTF::String unicodePropertyValue)
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{
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#if defined(ENABLE_ICU)
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int propertyIndex = -1;
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if (unicodePropertyName == "Script" || unicodePropertyName == "sc")
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propertyIndex = scriptHashTable.entry(unicodePropertyValue);
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else if (unicodePropertyName == "Script_Extensions" || unicodePropertyName == "scx")
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propertyIndex = scriptExtensionHashTable.entry(unicodePropertyValue);
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else if (unicodePropertyName == "General_Category" || unicodePropertyName == "gc")
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propertyIndex = generalCategoryHashTable.entry(unicodePropertyValue);
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if (propertyIndex == -1)
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return nullptr;
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return Optional<BuiltInCharacterClassID>(static_cast<BuiltInCharacterClassID>(static_cast<int>(BuiltInCharacterClassID::BaseUnicodePropertyID) + propertyIndex));
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#else
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return nullptr;
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#endif
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}
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Optional<BuiltInCharacterClassID> unicodeMatchProperty(WTF::String unicodePropertyValue)
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{
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#if defined(ENABLE_ICU)
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int propertyIndex = -1;
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propertyIndex = binaryPropertyHashTable.entry(unicodePropertyValue);
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if (propertyIndex == -1)
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propertyIndex = generalCategoryHashTable.entry(unicodePropertyValue);
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if (propertyIndex == -1)
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return nullptr;
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return Optional<BuiltInCharacterClassID>(static_cast<BuiltInCharacterClassID>(static_cast<int>(BuiltInCharacterClassID::BaseUnicodePropertyID) + propertyIndex));
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#else
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return nullptr;
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#endif
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}
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std::unique_ptr<CharacterClass> createUnicodeCharacterClassFor(BuiltInCharacterClassID unicodeClassID)
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{
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#if defined(ENABLE_ICU)
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unsigned unicodePropertyIndex = static_cast<unsigned>(unicodeClassID) - static_cast<unsigned>(BuiltInCharacterClassID::BaseUnicodePropertyID);
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return createFunctions[unicodePropertyIndex]();
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#else
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RELEASE_ASSERT_NOT_REACHED();
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return nullptr;
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#endif
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}
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}
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} // namespace JSC::Yarr
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