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| ****************************************************************************/ |
| #ifndef QMLJS_RUNTIME_H |
| #define QMLJS_RUNTIME_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 "qv4global_p.h" |
| #include "qv4value_p.h" |
| #include "qv4math_p.h" |
| #include "qv4runtimeapi_p.h" |
| #include <QtCore/qnumeric.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| #undef QV4_COUNT_RUNTIME_FUNCTIONS |
| |
| namespace QV4 { |
| |
| #ifdef QV4_COUNT_RUNTIME_FUNCTIONS |
| class RuntimeCounters |
| { |
| public: |
| RuntimeCounters(); |
| ~RuntimeCounters(); |
| |
| static RuntimeCounters *instance; |
| |
| void count(const char *func); |
| void count(const char *func, uint tag); |
| void count(const char *func, uint tag1, uint tag2); |
| |
| private: |
| struct Data; |
| Data *d; |
| }; |
| |
| # define TRACE0() RuntimeCounters::instance->count(Q_FUNC_INFO); |
| # define TRACE1(x) RuntimeCounters::instance->count(Q_FUNC_INFO, x.type()); |
| # define TRACE2(x, y) RuntimeCounters::instance->count(Q_FUNC_INFO, x.type(), y.type()); |
| #else |
| # define TRACE0() |
| # define TRACE1(x) |
| # define TRACE2(x, y) |
| #endif // QV4_COUNT_RUNTIME_FUNCTIONS |
| |
| enum TypeHint { |
| PREFERREDTYPE_HINT, |
| NUMBER_HINT, |
| STRING_HINT |
| }; |
| |
| struct Q_QML_PRIVATE_EXPORT RuntimeHelpers { |
| static ReturnedValue objectDefaultValue(const Object *object, int typeHint); |
| static ReturnedValue toPrimitive(const Value &value, TypeHint typeHint); |
| static ReturnedValue ordinaryToPrimitive(ExecutionEngine *engine, const Object *object, String *typeHint); |
| |
| static double stringToNumber(const QString &s); |
| static Heap::String *stringFromNumber(ExecutionEngine *engine, double number); |
| static double toNumber(const Value &value); |
| static void numberToString(QString *result, double num, int radix = 10); |
| |
| static Heap::String *convertToString(ExecutionEngine *engine, Value value, TypeHint = STRING_HINT); |
| static Heap::Object *convertToObject(ExecutionEngine *engine, const Value &value); |
| |
| static Bool equalHelper(const Value &x, const Value &y); |
| static Bool strictEqual(const Value &x, const Value &y); |
| |
| static ReturnedValue addHelper(ExecutionEngine *engine, const Value &left, const Value &right); |
| }; |
| |
| |
| // type conversion and testing |
| inline ReturnedValue RuntimeHelpers::toPrimitive(const Value &value, TypeHint typeHint) |
| { |
| if (!value.isObject()) |
| return value.asReturnedValue(); |
| return RuntimeHelpers::objectDefaultValue(&reinterpret_cast<const Object &>(value), typeHint); |
| } |
| |
| inline double RuntimeHelpers::toNumber(const Value &value) |
| { |
| return value.toNumber(); |
| } |
| } // namespace QV4 |
| |
| QT_END_NAMESPACE |
| |
| #endif // QMLJS_RUNTIME_H |