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| #ifndef QV4REGEXP_H |
| #define QV4REGEXP_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QString> |
| #include <QVector> |
| |
| #include <wtf/RefPtr.h> |
| #include <wtf/FastAllocBase.h> |
| #include <wtf/BumpPointerAllocator.h> |
| |
| #include <limits.h> |
| |
| #include <yarr/Yarr.h> |
| #include <yarr/YarrInterpreter.h> |
| #include <yarr/YarrJIT.h> |
| |
| #include "qv4managed_p.h" |
| #include "qv4engine_p.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QV4 { |
| |
| struct ExecutionEngine; |
| struct RegExpCacheKey; |
| |
| namespace Heap { |
| |
| struct RegExp : Base { |
| void init(ExecutionEngine *engine, const QString& pattern, uint flags); |
| void destroy(); |
| |
| QString *pattern; |
| JSC::Yarr::BytecodePattern *byteCode; |
| #if ENABLE(YARR_JIT) |
| JSC::Yarr::YarrCodeBlock *jitCode; |
| #endif |
| bool hasValidJITCode() const { |
| #if ENABLE(YARR_JIT) |
| return jitCode && !jitCode->failureReason().has_value() && jitCode->has16BitCode(); |
| #else |
| return false; |
| #endif |
| } |
| |
| bool ignoreCase() const { return flags & CompiledData::RegExp::RegExp_IgnoreCase; } |
| bool multiLine() const { return flags & CompiledData::RegExp::RegExp_Multiline; } |
| bool global() const { return flags & CompiledData::RegExp::RegExp_Global; } |
| bool unicode() const { return flags & CompiledData::RegExp::RegExp_Unicode; } |
| bool sticky() const { return flags & CompiledData::RegExp::RegExp_Sticky; } |
| |
| RegExpCache *cache; |
| int subPatternCount; |
| uint flags; |
| bool valid; |
| |
| QString flagsAsString() const; |
| int captureCount() const { return subPatternCount + 1; } |
| }; |
| Q_STATIC_ASSERT(std::is_trivial< RegExp >::value); |
| |
| } |
| |
| struct RegExp : public Managed |
| { |
| V4_MANAGED(RegExp, Managed) |
| Q_MANAGED_TYPE(RegExp) |
| V4_NEEDS_DESTROY |
| V4_INTERNALCLASS(RegExp) |
| |
| QString pattern() const { return *d()->pattern; } |
| JSC::Yarr::BytecodePattern *byteCode() { return d()->byteCode; } |
| #if ENABLE(YARR_JIT) |
| JSC::Yarr::YarrCodeBlock *jitCode() const { return d()->jitCode; } |
| #endif |
| RegExpCache *cache() const { return d()->cache; } |
| int subPatternCount() const { return d()->subPatternCount; } |
| bool ignoreCase() const { return d()->ignoreCase(); } |
| bool multiLine() const { return d()->multiLine(); } |
| bool global() const { return d()->global(); } |
| bool unicode() const { return d()->unicode(); } |
| bool sticky() const { return d()->sticky(); } |
| |
| static Heap::RegExp *create(ExecutionEngine* engine, const QString& pattern, uint flags = CompiledData::RegExp::RegExp_NoFlags); |
| |
| bool isValid() const { return d()->valid; } |
| |
| uint match(const QString& string, int start, uint *matchOffsets); |
| |
| int captureCount() const { return subPatternCount() + 1; } |
| |
| static QString getSubstitution(const QString &matched, const QString &str, int position, const Value *captures, int nCaptures, const QString &replacement); |
| |
| friend class RegExpCache; |
| }; |
| |
| struct RegExpCacheKey |
| { |
| RegExpCacheKey(const QString &pattern, uint flags) |
| : pattern(pattern), flags(flags) |
| { } |
| explicit inline RegExpCacheKey(const RegExp::Data *re); |
| |
| bool operator==(const RegExpCacheKey &other) const |
| { return pattern == other.pattern && flags == other.flags;; } |
| bool operator!=(const RegExpCacheKey &other) const |
| { return !operator==(other); } |
| |
| QString pattern; |
| uint flags; |
| }; |
| |
| inline RegExpCacheKey::RegExpCacheKey(const RegExp::Data *re) |
| : pattern(*re->pattern) |
| , flags(re->flags) |
| {} |
| |
| inline uint qHash(const RegExpCacheKey& key, uint seed = 0) Q_DECL_NOTHROW |
| { return qHash(key.pattern, seed); } |
| |
| class RegExpCache : public QHash<RegExpCacheKey, WeakValue> |
| { |
| public: |
| ~RegExpCache(); |
| }; |
| |
| |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QV4REGEXP_H |