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39 
40 #include "qcommonsequencetypes_p.h"
41 #include "qinteger_p.h"
42 
43 #include "qpositionalvariablereference_p.h"
44 
45 QT_BEGIN_NAMESPACE
46 
47 using namespace QPatternist;
48 
PositionalVariableReference(const VariableSlotID s)49 PositionalVariableReference::PositionalVariableReference(const VariableSlotID s) : VariableReference(s)
50 {
51 }
52 
evaluateSingleton(const DynamicContext::Ptr & context) const53 Item PositionalVariableReference::evaluateSingleton(const DynamicContext::Ptr &context) const
54 {
55     Q_ASSERT(context);
56     Q_ASSERT(context->positionIterator(slot()));
57     return Integer::fromValue(context->positionIterator(slot())->position());
58 }
59 
evaluateEBV(const DynamicContext::Ptr &) const60 bool PositionalVariableReference::evaluateEBV(const DynamicContext::Ptr &) const
61 {
62     return true;
63 }
64 
staticType() const65 SequenceType::Ptr PositionalVariableReference::staticType() const
66 {
67     return CommonSequenceTypes::ExactlyOneInteger;
68 }
69 
properties() const70 Expression::Properties PositionalVariableReference::properties() const
71 {
72     return DependsOnLocalVariable;
73 }
74 
75 ExpressionVisitorResult::Ptr
76 
accept(const ExpressionVisitor::Ptr & visitor) const77 PositionalVariableReference::accept(const ExpressionVisitor::Ptr &visitor) const
78 {
79     return visitor->visit(this);
80 }
81 
82 QT_END_NAMESPACE
83