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39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49
50#ifndef Patternist_CallTargetDescription_H
51#define Patternist_CallTargetDescription_H
52
53#include <QSharedData>
54
55#include <private/qexpression_p.h>
56
57QT_BEGIN_NAMESPACE
58
59template<typename Key, typename Value> class QHash;
60template<typename T> class QList;
61
62namespace QPatternist
63{
64 class CallSite;
65
66 /**
67 * @short Contains metadata for a callable component, such as a function or
68 * template.
69 *
70 * CallTargetDescription can be used directly and is so for templates, but
71 * can also be sub-classed which FunctionSignature do.
72 *
73 * @ingroup Patternist_expr
74 * @author Frans Englich <frans.englich@nokia.com>
75 */
76 class Q_AUTOTEST_EXPORT CallTargetDescription : public QSharedData
77 {
78 public:
79 typedef QExplicitlySharedDataPointer<CallTargetDescription> Ptr;
80 typedef QList<Ptr> List;
81
82 CallTargetDescription(const QXmlName &name);
83
84 /**
85 * The function's name. For example, the name of the signature
86 * <tt>fn:string() as xs:string</tt> is <tt>fn:string</tt>.
87 */
88 QXmlName name() const;
89
90 /**
91 * Flags callsites to be aware of their recursion by calling
92 * UserFunctionCallsite::configureRecursion(), if that is the case.
93 *
94 * @note We pass @p expr by value here intentionally.
95 */
96 static void checkCallsiteCircularity(CallTargetDescription::List &signList,
97 const Expression::Ptr expr);
98 private:
99 /**
100 * Helper function for checkCallsiteCircularity(). If C++ allowed it,
101 * it would have been local to it.
102 */
103 static void checkArgumentsCircularity(CallTargetDescription::List &signList,
104 const Expression::Ptr callsite);
105
106 Q_DISABLE_COPY(CallTargetDescription)
107 const QXmlName m_name;
108 };
109}
110
111QT_END_NAMESPACE
112
113#endif
114
115

source code of qtxmlpatterns/src/xmlpatterns/expr/qcalltargetdescription_p.h