Convert RegExp and RegExpObject to new data layout

Change-Id: I0c2bbab4b158069d5c1648edc38f7c5e38ee67ee
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

5 files changed, 123 insertions, 97 deletions

diff --git a/src/qml/jsruntime/qv4regexp.cpp b/src/qml/jsruntime/qv4regexp.cpp
index 23ef62f992..eb7810c1b0 100644
--- a/src/qml/jsruntime/qv4regexp.cpp
+++ b/src/qml/jsruntime/qv4regexp.cpp
@@ -49,7 +49,7 @@ RegExpCache::~RegExpCache()
 {
     for (RegExpCache::Iterator it = begin(), e = end();
          it != e; ++it)
-        it.value()->m_cache = 0;
+        it.value()->data.cache = 0;
     clear();
 }
 
@@ -63,11 +63,11 @@ uint RegExp::match(const QString &string, int start, uint *matchOffsets)
     WTF::String s(string);
 
 #if ENABLE(YARR_JIT)
-    if (!m_jitCode.isFallBack() && m_jitCode.has16BitCode())
-        return m_jitCode.execute(s.characters16(), start, s.length(), (int*)matchOffsets).start;
+    if (!jitCode().isFallBack() && jitCode().has16BitCode())
+        return jitCode().execute(s.characters16(), start, s.length(), (int*)matchOffsets).start;
 #endif
 
-    return JSC::Yarr::interpret(m_byteCode.get(), s.characters16(), string.length(), start, matchOffsets);
+    return JSC::Yarr::interpret(byteCode().get(), s.characters16(), string.length(), start, matchOffsets);
 }
 
 RegExp* RegExp::create(ExecutionEngine* engine, const QString& pattern, bool ignoreCase, bool multiline)
@@ -85,7 +85,7 @@ RegExp* RegExp::create(ExecutionEngine* engine, const QString& pattern, bool ign
     if (!cache)
         cache = engine->regExpCache = new RegExpCache;
 
-    result->m_cache = cache;
+    result->data.cache = cache;
     cache->insert(key, result);
 
     return result;
@@ -93,33 +93,33 @@ RegExp* RegExp::create(ExecutionEngine* engine, const QString& pattern, bool ign
 
 RegExp::RegExp(ExecutionEngine* engine, const QString &pattern, bool ignoreCase, bool multiline)
     : Managed(engine->regExpValueClass)
-    , m_pattern(pattern)
-    , m_cache(0)
-    , m_subPatternCount(0)
-    , m_ignoreCase(ignoreCase)
-    , m_multiLine(multiline)
 {
+    data.pattern = pattern;
+    data.cache = 0;
+    data.ignoreCase = ignoreCase;
+    data.multiLine = multiline;
+
     if (!engine)
         return;
     const char* error = 0;
     JSC::Yarr::YarrPattern yarrPattern(WTF::String(pattern), ignoreCase, multiline, &error);
     if (error)
         return;
-    m_subPatternCount = yarrPattern.m_numSubpatterns;
-    m_byteCode = JSC::Yarr::byteCompile(yarrPattern, engine->bumperPointerAllocator);
+    data.subPatternCount = yarrPattern.m_numSubpatterns;
+    data.byteCode = JSC::Yarr::byteCompile(yarrPattern, engine->bumperPointerAllocator);
 #if ENABLE(YARR_JIT)
     if (!yarrPattern.m_containsBackreferences && engine->iselFactory->jitCompileRegexps()) {
         JSC::JSGlobalData dummy(engine->regExpAllocator);
-        JSC::Yarr::jitCompile(yarrPattern, JSC::Yarr::Char16, &dummy, m_jitCode);
+        JSC::Yarr::jitCompile(yarrPattern, JSC::Yarr::Char16, &dummy, data.jitCode);
     }
 #endif
 }
 
 RegExp::~RegExp()
 {
-    if (m_cache) {
+    if (cache()) {
         RegExpCacheKey key(this);
-        m_cache->remove(key);
+        cache()->remove(key);
     }
 }
 
diff --git a/src/qml/jsruntime/qv4regexp_p.h b/src/qml/jsruntime/qv4regexp_p.h
index 63d4ed3ed2..270fe9aa2d 100644
--- a/src/qml/jsruntime/qv4regexp_p.h
+++ b/src/qml/jsruntime/qv4regexp_p.h
@@ -95,19 +95,38 @@ class RegExp : public Managed
 {
     V4_MANAGED
     Q_MANAGED_TYPE(RegExp)
-public:
+
+    struct Data {
+        QString pattern;
+        OwnPtr<JSC::Yarr::BytecodePattern> byteCode;
+#if ENABLE(YARR_JIT)
+        JSC::Yarr::YarrCodeBlock jitCode;
+#endif
+        RegExpCache *cache;
+        int subPatternCount;
+        bool ignoreCase;
+        bool multiLine;
+    };
+    Data data;
+
+    QString pattern() const { return data.pattern; }
+    OwnPtr<JSC::Yarr::BytecodePattern> &byteCode() { return data.byteCode; }
+#if ENABLE(YARR_JIT)
+    JSC::Yarr::YarrCodeBlock jitCode() const { return data.jitCode; }
+#endif
+    RegExpCache *cache() const { return data.cache; }
+    int subPatternCount() const { return data.subPatternCount; }
+    bool ignoreCase() const { return data.ignoreCase; }
+    bool multiLine() const { return data.multiLine; }
+
     static RegExp* create(ExecutionEngine* engine, const QString& pattern, bool ignoreCase = false, bool multiline = false);
     ~RegExp();
 
-    QString pattern() const { return m_pattern; }
-
-    bool isValid() const { return m_byteCode.get(); }
+    bool isValid() const { return data.byteCode.get(); }
 
     uint match(const QString& string, int start, uint *matchOffsets);
 
-    bool ignoreCase() const { return m_ignoreCase; }
-    bool multiLine() const { return m_multiLine; }
-    int captureCount() const { return m_subPatternCount + 1; }
+    int captureCount() const { return subPatternCount() + 1; }
 
     static void destroy(Managed *that);
     static void markObjects(Managed *that, QV4::ExecutionEngine *e);
@@ -117,15 +136,6 @@ private:
     Q_DISABLE_COPY(RegExp);
     RegExp(ExecutionEngine* engine, const QString& pattern, bool ignoreCase, bool multiline);
 
-    const QString m_pattern;
-    OwnPtr<JSC::Yarr::BytecodePattern> m_byteCode;
-#if ENABLE(YARR_JIT)
-    JSC::Yarr::YarrCodeBlock m_jitCode;
-#endif
-    RegExpCache *m_cache;
-    int m_subPatternCount;
-    const bool m_ignoreCase;
-    const bool m_multiLine;
 };
 
 inline RegExpCacheKey::RegExpCacheKey(const RegExp *re)
diff --git a/src/qml/jsruntime/qv4regexpobject.cpp b/src/qml/jsruntime/qv4regexpobject.cpp
index 6187cf9f16..b9e4c37e26 100644
--- a/src/qml/jsruntime/qv4regexpobject.cpp
+++ b/src/qml/jsruntime/qv4regexpobject.cpp
@@ -73,18 +73,18 @@ DEFINE_OBJECT_VTABLE(RegExpObject);
 
 RegExpObject::RegExpObject(InternalClass *ic)
     : Object(ic)
-    , value(RegExp::create(ic->engine, QString(), false, false))
-    , global(false)
 {
+    data.value = RegExp::create(ic->engine, QString(), false, false);
+    data.global = false;
     Q_ASSERT(internalClass()->vtable == staticVTable());
     init(ic->engine);
 }
 
 RegExpObject::RegExpObject(ExecutionEngine *engine, RegExpRef value, bool global)
     : Object(engine->regExpClass)
-    , value(value)
-    , global(global)
 {
+    data.value = value;
+    data.global = global;
     init(engine);
 }
 
@@ -93,9 +93,10 @@ RegExpObject::RegExpObject(ExecutionEngine *engine, RegExpRef value, bool global
 // have different semantics/flags, but we try to do our best.
 RegExpObject::RegExpObject(ExecutionEngine *engine, const QRegExp &re)
     : Object(engine->regExpClass)
-    , value(0)
-    , global(false)
 {
+    data.value = 0;
+    data.global = false;
+
     // Convert the pattern to a ECMAScript pattern.
     QString pattern = QT_PREPEND_NAMESPACE(qt_regexp_toCanonical)(re.pattern(), re.patternSyntax());
     if (re.isMinimal()) {
@@ -136,7 +137,7 @@ RegExpObject::RegExpObject(ExecutionEngine *engine, const QRegExp &re)
     Scope scope(engine);
     ScopedObject protectThis(scope, this);
 
-    value = RegExp::create(engine, pattern, re.caseSensitivity() == Qt::CaseInsensitive, false);
+    data.value = RegExp::create(engine, pattern, re.caseSensitivity() == Qt::CaseInsensitive, false);
 
     init(engine);
 }
@@ -151,10 +152,10 @@ void RegExpObject::init(ExecutionEngine *engine)
     ScopedString lastIndex(scope, engine->newIdentifier(QStringLiteral("lastIndex")));
     ScopedValue v(scope, Primitive::fromInt32(0));
     insertMember(lastIndex, v, Attr_NotEnumerable|Attr_NotConfigurable);
-    if (!this->value)
+    if (!this->value())
         return;
 
-    QString p = this->value->pattern();
+    QString p = this->value()->pattern();
     if (p.isEmpty()) {
         p = QStringLiteral("(?:)");
     } else {
@@ -163,17 +164,17 @@ void RegExpObject::init(ExecutionEngine *engine)
     }
 
     defineReadonlyProperty(QStringLiteral("source"), (v = engine->newString(p)));
-    defineReadonlyProperty(QStringLiteral("global"), Primitive::fromBoolean(global));
-    defineReadonlyProperty(QStringLiteral("ignoreCase"), Primitive::fromBoolean(this->value->ignoreCase()));
-    defineReadonlyProperty(QStringLiteral("multiline"), Primitive::fromBoolean(this->value->multiLine()));
+    defineReadonlyProperty(QStringLiteral("global"), Primitive::fromBoolean(global()));
+    defineReadonlyProperty(QStringLiteral("ignoreCase"), Primitive::fromBoolean(this->value()->ignoreCase()));
+    defineReadonlyProperty(QStringLiteral("multiline"), Primitive::fromBoolean(this->value()->multiLine()));
 }
 
 
 void RegExpObject::markObjects(Managed *that, ExecutionEngine *e)
 {
     RegExpObject *re = static_cast<RegExpObject*>(that);
-    if (re->value)
-        re->value->mark(e);
+    if (re->value())
+        re->value()->mark(e);
     Object::markObjects(that, e);
 }
 
@@ -189,19 +190,19 @@ Property *RegExpObject::lastIndexProperty(ExecutionContext *ctx)
 // have different semantics/flags, but we try to do our best.
 QRegExp RegExpObject::toQRegExp() const
 {
-    Qt::CaseSensitivity caseSensitivity = value->ignoreCase() ? Qt::CaseInsensitive : Qt::CaseSensitive;
-    return QRegExp(value->pattern(), caseSensitivity, QRegExp::RegExp2);
+    Qt::CaseSensitivity caseSensitivity = value()->ignoreCase() ? Qt::CaseInsensitive : Qt::CaseSensitive;
+    return QRegExp(value()->pattern(), caseSensitivity, QRegExp::RegExp2);
 }
 
 QString RegExpObject::toString() const
 {
     QString result = QLatin1Char('/') + source();
     result += QLatin1Char('/');
-    if (global)
+    if (global())
         result += QLatin1Char('g');
-    if (value->ignoreCase())
+    if (value()->ignoreCase())
         result += QLatin1Char('i');
-    if (value->multiLine())
+    if (value()->multiLine())
         result += QLatin1Char('m');
     return result;
 }
@@ -217,11 +218,11 @@ QString RegExpObject::source() const
 uint RegExpObject::flags() const
 {
     uint f = 0;
-    if (global)
+    if (global())
         f |= QV4::RegExpObject::RegExp_Global;
-    if (value->ignoreCase())
+    if (value()->ignoreCase())
         f |= QV4::RegExpObject::RegExp_IgnoreCase;
-    if (value->multiLine())
+    if (value()->multiLine())
         f |= QV4::RegExpObject::RegExp_Multiline;
     return f;
 }
@@ -237,10 +238,10 @@ RegExpCtor::RegExpCtor(ExecutionContext *scope)
 
 void RegExpCtor::clearLastMatch()
 {
-    lastMatch = Primitive::nullValue();
-    lastInput = engine()->id_empty;
-    lastMatchStart = 0;
-    lastMatchEnd = 0;
+    data.lastMatch = Primitive::nullValue();
+    data.lastInput = engine()->id_empty;
+    data.lastMatchStart = 0;
+    data.lastMatchEnd = 0;
 }
 
 ReturnedValue RegExpCtor::construct(Managed *m, CallData *callData)
@@ -255,8 +256,8 @@ ReturnedValue RegExpCtor::construct(Managed *m, CallData *callData)
         if (!f->isUndefined())
             return ctx->throwTypeError();
 
-        Scoped<RegExp> newRe(scope, re->value);
-        return Encode(ctx->engine->newRegExpObject(newRe, re->global));
+        Scoped<RegExp> newRe(scope, re->value());
+        return Encode(ctx->engine->newRegExpObject(newRe, re->global()));
     }
 
     QString pattern;
@@ -306,8 +307,8 @@ ReturnedValue RegExpCtor::call(Managed *that, CallData *callData)
 void RegExpCtor::markObjects(Managed *that, ExecutionEngine *e)
 {
     RegExpCtor *This = static_cast<RegExpCtor*>(that);
-    This->lastMatch.mark(e);
-    This->lastInput.mark(e);
+    This->lastMatch().mark(e);
+    This->lastInput().mark(e);
     FunctionObject::markObjects(that, e);
 }
 
@@ -360,14 +361,14 @@ ReturnedValue RegExpPrototype::method_exec(CallContext *ctx)
         return Encode::undefined();
     QString s = arg->stringValue()->toQString();
 
-    int offset = r->global ? r->lastIndexProperty(ctx)->value.toInt32() : 0;
+    int offset = r->global() ? r->lastIndexProperty(ctx)->value.toInt32() : 0;
     if (offset < 0 || offset > s.length()) {
         r->lastIndexProperty(ctx)->value = Primitive::fromInt32(0);
         return Encode::null();
     }
 
-    uint* matchOffsets = (uint*)alloca(r->value->captureCount() * 2 * sizeof(uint));
-    const int result = r->value->match(s, offset, matchOffsets);
+    uint* matchOffsets = (uint*)alloca(r->value()->captureCount() * 2 * sizeof(uint));
+    const int result = r->value()->match(s, offset, matchOffsets);
 
     Scoped<RegExpCtor> regExpCtor(scope, ctx->engine->regExpCtor);
     regExpCtor->clearLastMatch();
@@ -379,7 +380,7 @@ ReturnedValue RegExpPrototype::method_exec(CallContext *ctx)
 
     // fill in result data
     Scoped<ArrayObject> array(scope, ctx->engine->newArrayObject(ctx->engine->regExpExecArrayClass));
-    int len = r->value->captureCount();
+    int len = r->value()->captureCount();
     array->arrayReserve(len);
     ScopedValue v(scope);
     for (int i = 0; i < len; ++i) {
@@ -392,12 +393,13 @@ ReturnedValue RegExpPrototype::method_exec(CallContext *ctx)
     array->memberData()[Index_ArrayIndex] = Primitive::fromInt32(result);
     array->memberData()[Index_ArrayInput] = arg.asReturnedValue();
 
-    regExpCtor->lastMatch = array;
-    regExpCtor->lastInput = arg->stringValue();
-    regExpCtor->lastMatchStart = matchOffsets[0];
-    regExpCtor->lastMatchEnd = matchOffsets[1];
+    RegExpCtor::Data *d = &regExpCtor->data;
+    d->lastMatch = array;
+    d->lastInput = arg->stringValue();
+    d->lastMatchStart = matchOffsets[0];
+    d->lastMatchEnd = matchOffsets[1];
 
-    if (r->global)
+    if (r->global())
         r->lastIndexProperty(ctx)->value = Primitive::fromInt32(matchOffsets[1]);
 
     return array.asReturnedValue();
@@ -432,8 +434,8 @@ ReturnedValue RegExpPrototype::method_compile(CallContext *ctx)
 
     Scoped<RegExpObject> re(scope, ctx->engine->regExpCtor.asFunctionObject()->construct(callData));
 
-    r->value = re->value;
-    r->global = re->global;
+    r->data.value = re->value();
+    r->data.global = re->global();
     return Encode::undefined();
 }
 
@@ -441,7 +443,7 @@ template <int index>
 ReturnedValue RegExpPrototype::method_get_lastMatch_n(CallContext *ctx)
 {
     Scope scope(ctx);
-    ScopedArrayObject lastMatch(scope, static_cast<RegExpCtor*>(ctx->engine->regExpCtor.objectValue())->lastMatch);
+    ScopedArrayObject lastMatch(scope, static_cast<RegExpCtor*>(ctx->engine->regExpCtor.objectValue())->lastMatch());
     ScopedValue result(scope, lastMatch ? lastMatch->getIndexed(index) : Encode::undefined());
     if (result->isUndefined())
         return ctx->engine->newString(QString())->asReturnedValue();
@@ -451,7 +453,7 @@ ReturnedValue RegExpPrototype::method_get_lastMatch_n(CallContext *ctx)
 ReturnedValue RegExpPrototype::method_get_lastParen(CallContext *ctx)
 {
     Scope scope(ctx);
-    ScopedArrayObject lastMatch(scope, static_cast<RegExpCtor*>(ctx->engine->regExpCtor.objectValue())->lastMatch);
+    ScopedArrayObject lastMatch(scope, static_cast<RegExpCtor*>(ctx->engine->regExpCtor.objectValue())->lastMatch());
     ScopedValue result(scope, lastMatch ? lastMatch->getIndexed(lastMatch->getLength() - 1) : Encode::undefined());
     if (result->isUndefined())
         return ctx->engine->newString(QString())->asReturnedValue();
@@ -460,23 +462,23 @@ ReturnedValue RegExpPrototype::method_get_lastParen(CallContext *ctx)
 
 ReturnedValue RegExpPrototype::method_get_input(CallContext *ctx)
 {
-    return static_cast<RegExpCtor*>(ctx->engine->regExpCtor.objectValue())->lastInput.asReturnedValue();
+    return static_cast<RegExpCtor*>(ctx->engine->regExpCtor.objectValue())->lastInput().asReturnedValue();
 }
 
 ReturnedValue RegExpPrototype::method_get_leftContext(CallContext *ctx)
 {
     Scope scope(ctx);
     Scoped<RegExpCtor> regExpCtor(scope, ctx->engine->regExpCtor);
-    QString lastInput = regExpCtor->lastInput->toQString();
-    return ctx->engine->newString(lastInput.left(regExpCtor->lastMatchStart))->asReturnedValue();
+    QString lastInput = regExpCtor->lastInput()->toQString();
+    return ctx->engine->newString(lastInput.left(regExpCtor->lastMatchStart()))->asReturnedValue();
 }
 
 ReturnedValue RegExpPrototype::method_get_rightContext(CallContext *ctx)
 {
     Scope scope(ctx);
     Scoped<RegExpCtor> regExpCtor(scope, ctx->engine->regExpCtor);
-    QString lastInput = regExpCtor->lastInput->toQString();
-    return ctx->engine->newString(lastInput.mid(regExpCtor->lastMatchEnd))->asReturnedValue();
+    QString lastInput = regExpCtor->lastInput()->toQString();
+    return ctx->engine->newString(lastInput.mid(regExpCtor->lastMatchEnd()))->asReturnedValue();
 }
 
 QT_END_NAMESPACE
diff --git a/src/qml/jsruntime/qv4regexpobject_p.h b/src/qml/jsruntime/qv4regexpobject_p.h
index 0c22d50216..909628cd72 100644
--- a/src/qml/jsruntime/qv4regexpobject_p.h
+++ b/src/qml/jsruntime/qv4regexpobject_p.h
@@ -80,15 +80,21 @@ struct RegExpObject: Object {
         Index_ArrayInput = Index_ArrayIndex + 1
     };
 
-    RegExp* value;
-    Property *lastIndexProperty(ExecutionContext *ctx);
-    bool global;
+    struct Data {
+        RegExp* value;
+        bool global;
+    };
+    Data data;
+
+    RegExp* value() const { return data.value; }
+    bool global() const { return data.global; }
 
     RegExpObject(ExecutionEngine *engine, RegExpRef value, bool global);
     RegExpObject(ExecutionEngine *engine, const QRegExp &re);
 
     void init(ExecutionEngine *engine);
 
+    Property *lastIndexProperty(ExecutionContext *ctx);
     QRegExp toQRegExp() const;
     QString toString() const;
     QString source() const;
@@ -106,10 +112,18 @@ struct RegExpCtor: FunctionObject
     V4_OBJECT
     RegExpCtor(ExecutionContext *scope);
 
-    Value lastMatch;
-    StringValue lastInput;
-    int lastMatchStart;
-    int lastMatchEnd;
+    struct Data {
+        Value lastMatch;
+        StringValue lastInput;
+        int lastMatchStart;
+        int lastMatchEnd;
+    };
+    Data data;
+
+    Value lastMatch() { return data.lastMatch; }
+    StringValue lastInput() { return data.lastInput; }
+    int lastMatchStart() { return data.lastMatchStart; }
+    int lastMatchEnd() { return data.lastMatchEnd; }
     void clearLastMatch();
 
     static ReturnedValue construct(Managed *m, CallData *callData);
diff --git a/src/qml/jsruntime/qv4stringobject.cpp b/src/qml/jsruntime/qv4stringobject.cpp
index 6ad4e8b11e..2ed5bcf642 100644
--- a/src/qml/jsruntime/qv4stringobject.cpp
+++ b/src/qml/jsruntime/qv4stringobject.cpp
@@ -396,7 +396,7 @@ ReturnedValue StringPrototype::method_match(CallContext *context)
         // ### CHECK
         return context->throwTypeError();
 
-    bool global = rx->global;
+    bool global = rx->global();
 
     // ### use the standard builtin function, not the one that might be redefined in the proto
     ScopedString execString(scope, context->engine->newString(QStringLiteral("exec")));
@@ -510,7 +510,7 @@ ReturnedValue StringPrototype::method_replace(CallContext *ctx)
         uint offset = 0;
 
         // We extract the pointer here to work around a compiler bug on Android.
-        Scoped<RegExp> re(scope, regExp->value);
+        Scoped<RegExp> re(scope, regExp->value());
         while (true) {
             int oldSize = nMatchOffsets;
             if (allocatedMatchOffsets < nMatchOffsets + re->captureCount() * 2) {
@@ -530,10 +530,10 @@ ReturnedValue StringPrototype::method_replace(CallContext *ctx)
                 break;
             offset = qMax(offset + 1, matchOffsets[oldSize + 1]);
         }
-        if (regExp->global)
+        if (regExp->global())
             regExp->lastIndexProperty(ctx)->value = Primitive::fromUInt32(0);
-        numStringMatches = nMatchOffsets / (regExp->value->captureCount() * 2);
-        numCaptures = regExp->value->captureCount();
+        numStringMatches = nMatchOffsets / (regExp->value()->captureCount() * 2);
+        numCaptures = regExp->value()->captureCount();
     } else {
         numCaptures = 1;
         QString searchString = searchValue->toString(ctx)->toQString();
@@ -620,8 +620,8 @@ ReturnedValue StringPrototype::method_search(CallContext *ctx)
         regExp = regExpValue->as<RegExpObject>();
         Q_ASSERT(regExp);
     }
-    uint* matchOffsets = (uint*)alloca(regExp->value->captureCount() * 2 * sizeof(uint));
-    uint result = regExp->value->match(string, /*offset*/0, matchOffsets);
+    uint* matchOffsets = (uint*)alloca(regExp->value()->captureCount() * 2 * sizeof(uint));
+    uint result = regExp->value()->match(string, /*offset*/0, matchOffsets);
     if (result == JSC::Yarr::offsetNoMatch)
         return Encode(-1);
     return Encode(result);
@@ -684,7 +684,7 @@ ReturnedValue StringPrototype::method_split(CallContext *ctx)
 
     Scoped<RegExpObject> re(scope, separatorValue);
     if (re) {
-        if (re->value->pattern().isEmpty()) {
+        if (re->value()->pattern().isEmpty()) {
             re = (RegExpObject *)0;
             separatorValue = ctx->engine->newString(QString());
         }
@@ -693,9 +693,9 @@ ReturnedValue StringPrototype::method_split(CallContext *ctx)
     ScopedString s(scope);
     if (re) {
         uint offset = 0;
-        uint* matchOffsets = (uint*)alloca(re->value->captureCount() * 2 * sizeof(uint));
+        uint* matchOffsets = (uint*)alloca(re->value()->captureCount() * 2 * sizeof(uint));
         while (true) {
-            uint result = re->value->match(text, offset, matchOffsets);
+            uint result = re->value()->match(text, offset, matchOffsets);
             if (result == JSC::Yarr::offsetNoMatch)
                 break;
 
@@ -705,7 +705,7 @@ ReturnedValue StringPrototype::method_split(CallContext *ctx)
             if (array->getLength() >= limit)
                 break;
 
-            for (int i = 1; i < re->value->captureCount(); ++i) {
+            for (int i = 1; i < re->value()->captureCount(); ++i) {
                 uint start = matchOffsets[i * 2];
                 uint end = matchOffsets[i * 2 + 1];
                 array->push_back((s = ctx->engine->newString(text.mid(start, end - start))));