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46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_UserFunction_H
53 #define Patternist_UserFunction_H
55 #include <QSharedData>
57 #include <private/qexpression_p.h>
58 #include <private/qfunctionsignature_p.h>
59 #include <private/qvariabledeclaration_p.h>
65 template<typename T> class QList;
70 * @short A function created with XQuery's <tt>declare function</tt> declaration.
72 * @see UserFunctionCall
73 * @see ArgumentReference
74 * @author Frans Englich <frans.englich@nokia.com>
75 * @ingroup Patternist_expressions
77 class UserFunction : public QSharedData
80 typedef QExplicitlySharedDataPointer<UserFunction> Ptr;
81 typedef QList<UserFunction::Ptr> List;
84 * If @p slotOffset is -1, it means this function has no arguments.
86 UserFunction(const FunctionSignature::Ptr &signature,
87 const Expression::Ptr &body,
88 const VariableSlotID slotOffset,
89 const VariableDeclaration::List &varDecls);
91 inline const Expression::Ptr &body() const;
92 inline void setBody(const Expression::Ptr &newBody);
93 inline FunctionSignature::Ptr signature() const;
94 inline VariableSlotID expressionSlotOffset() const;
95 inline VariableDeclaration::List argumentDeclarations() const;
98 const FunctionSignature::Ptr m_signature;
99 Expression::Ptr m_body;
100 const VariableSlotID m_slotOffset;
101 const VariableDeclaration::List m_argumentDeclarations;
104 inline const Expression::Ptr &UserFunction::body() const
109 inline FunctionSignature::Ptr UserFunction::signature() const
114 inline VariableSlotID UserFunction::expressionSlotOffset() const
119 inline VariableDeclaration::List UserFunction::argumentDeclarations() const
121 return m_argumentDeclarations;
124 void UserFunction::setBody(const Expression::Ptr &newBody)