diff options
Diffstat (limited to 'src/qml/jsruntime/qv4string.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4string.cpp | 71 |
1 files changed, 7 insertions, 64 deletions
diff --git a/src/qml/jsruntime/qv4string.cpp b/src/qml/jsruntime/qv4string.cpp index 7c965ce441..8bc867e2cd 100644 --- a/src/qml/jsruntime/qv4string.cpp +++ b/src/qml/jsruntime/qv4string.cpp @@ -46,59 +46,10 @@ #include "qv4stringobject_p.h" #endif #include <QtCore/QHash> -#include <QtCore/private/qnumeric_p.h> using namespace QV4; -static inline uint toUInt(const QChar *ch) { return ch->unicode(); } #ifndef V4_BOOTSTRAP -static inline uint toUInt(const char *ch) { return *ch; } -#endif - -template <typename T> -static inline uint toArrayIndex(const T *ch, const T *end) -{ - uint i = toUInt(ch) - '0'; - if (i > 9) - return UINT_MAX; - ++ch; - // reject "01", "001", ... - if (i == 0 && ch != end) - return UINT_MAX; - - while (ch < end) { - uint x = toUInt(ch) - '0'; - if (x > 9) - return UINT_MAX; - if (mul_overflow(i, uint(10), &i) || add_overflow(i, x, &i)) - return UINT_MAX; - ++ch; - } - return i; -} - -#ifndef V4_BOOTSTRAP - -template <typename T> -static inline uint calculateHashValue(const T *ch, const T* end, uint *subtype) -{ - // array indices get their number as hash value - uint h = ::toArrayIndex(ch, end); - if (h != UINT_MAX) { - if (subtype) - *subtype = Heap::String::StringType_ArrayIndex; - return h; - } - - while (ch < end) { - h = 31 * h + toUInt(ch); - ++ch; - } - - if (subtype) - *subtype = Heap::String::StringType_Regular; - return h; -} DEFINE_MANAGED_VTABLE(String); @@ -126,6 +77,8 @@ bool String::isEqualTo(Managed *t, Managed *o) Heap::String::String(MemoryManager *mm, const QString &t) : mm(mm) { + Base::init(); + subtype = String::StringType_Unknown; text = const_cast<QString &>(t).data_ptr(); @@ -136,9 +89,11 @@ Heap::String::String(MemoryManager *mm, const QString &t) len = text->size; } -Heap::String::String(MemoryManager *mm, String *l, String *r) +Heap::String::String(MemoryManager *mm, String *l, String *r, bool) // TODO: remove the dummy bool when String is trivial : mm(mm) { + Base::init(); + subtype = String::StringType_Unknown; left = l; @@ -225,19 +180,7 @@ void Heap::String::createHashValue() const Q_ASSERT(!largestSubLength); const QChar *ch = reinterpret_cast<const QChar *>(text->data()); const QChar *end = ch + text->size; - stringHash = calculateHashValue(ch, end, &subtype); -} - -uint String::createHashValue(const QChar *ch, int length, uint *subtype) -{ - const QChar *end = ch + length; - return calculateHashValue(ch, end, subtype); -} - -uint String::createHashValue(const char *ch, int length, uint *subtype) -{ - const char *end = ch + length; - return calculateHashValue(ch, end, subtype); + stringHash = QV4::String::calculateHashValue(ch, end, &subtype); } uint String::getLength(const Managed *m) @@ -249,6 +192,6 @@ uint String::getLength(const Managed *m) uint String::toArrayIndex(const QString &str) { - return ::toArrayIndex(str.constData(), str.constData() + str.length()); + return QV4::String::toArrayIndex(str.constData(), str.constData() + str.length()); } |