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    41 

    42 #ifndef QDECLARATIVEBINDINGOPTIMIZATIONS_P_H

    43 #define QDECLARATIVEBINDINGOPTIMIZATIONS_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists purely as an

    50 // implementation detail.  This header file may change from version to

    51 // version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include "private/qdeclarativeexpression_p.h"

    57 #include "private/qdeclarativebinding_p.h"

    58 

    59 QT_BEGIN_HEADER

    60 

    61 QT_BEGIN_NAMESPACE

    62 

    63 struct QDeclarativeBindingCompilerPrivate;

    64 class QDeclarativeBindingCompiler

    65 {

    66 public:

    67     QDeclarativeBindingCompiler();

    68     ~QDeclarativeBindingCompiler();

    69 

    70     // Returns true if bindings were compiled

    71     bool isValid() const;

    72 

    73     struct Expression

    74     {

    75         QDeclarativeParser::Object *component;

    76         QDeclarativeParser::Object *context;

    77         QDeclarativeParser::Property *property;

    78         QDeclarativeParser::Variant expression;

    79         QHash<QString, QDeclarativeParser::Object *> ids;

    80         QDeclarativeImports imports;

    81     };

    82 

    83     // -1 on failure, otherwise the binding index to use

    84     int compile(const Expression &, QDeclarativeEnginePrivate *);

    85 

    86     // Returns the compiled program

    87     QByteArray program() const;

    88 

    89     static void dump(const QByteArray &);

    90 private:

    91     QDeclarativeBindingCompilerPrivate *d;

    92 };

    93 

    94 class QDeclarativeCompiledBindingsPrivate;

    95 class QDeclarativeCompiledBindings : public QObject, public QDeclarativeAbstractExpression, public QDeclarativeRefCount

    96 {

    97 public:

    98     QDeclarativeCompiledBindings(const char *program, QDeclarativeContextData *context);

    99     virtual ~QDeclarativeCompiledBindings();

   100 

   101     QDeclarativeAbstractBinding *configBinding(int index, QObject *target, QObject *scope, int property);

   102 

   103 protected:

   104     int qt_metacall(QMetaObject::Call, int, void **);

   105 

   106 private:

   107     Q_DISABLE_COPY(QDeclarativeCompiledBindings)

   108     Q_DECLARE_PRIVATE(QDeclarativeCompiledBindings)

   109 };

   110 

   111 QT_END_NAMESPACE

   112 

   113 QT_END_HEADER

   114 

   115 #endif // QDECLARATIVEBINDINGOPTIMIZATIONS_P_H

   116