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41
42 #include "qboolean_p.h"
43 #include "qgenericsequencetype_p.h"
44
45 #include "qrangevariablereference_p.h"
46
47 QT_BEGIN_NAMESPACE
48
49 using namespace QPatternist;
50
RangeVariableReference(const Expression::Ptr & source,const VariableSlotID slotP)51 RangeVariableReference::RangeVariableReference(const Expression::Ptr &source,
52 const VariableSlotID slotP) : VariableReference(slotP),
53 m_sourceExpression(source)
54 {
55 Q_ASSERT(source);
56 }
57
evaluateEBV(const DynamicContext::Ptr & context) const58 bool RangeVariableReference::evaluateEBV(const DynamicContext::Ptr &context) const
59 {
60 Q_ASSERT_X(context->rangeVariable(slot()), Q_FUNC_INFO, "The range variable must be set.");
61 return Boolean::evaluateEBV(context->rangeVariable(slot()), context);
62 }
63
evaluateSingleton(const DynamicContext::Ptr & context) const64 Item RangeVariableReference::evaluateSingleton(const DynamicContext::Ptr &context) const
65 {
66 Q_ASSERT_X(context->rangeVariable(slot()), Q_FUNC_INFO, "The range variable must be set.");
67 return context->rangeVariable(slot());
68 }
69
staticType() const70 SequenceType::Ptr RangeVariableReference::staticType() const
71 {
72 return makeGenericSequenceType(m_sourceExpression->staticType()->itemType(),
73 Cardinality::exactlyOne());
74 }
75
id() const76 Expression::ID RangeVariableReference::id() const
77 {
78 return IDRangeVariableReference;
79 }
80
81 ExpressionVisitorResult::Ptr
accept(const ExpressionVisitor::Ptr & visitor) const82 RangeVariableReference::accept(const ExpressionVisitor::Ptr &visitor) const
83 {
84 return visitor->visit(this);
85 }
86
properties() const87 Expression::Properties RangeVariableReference::properties() const
88 {
89 return DependsOnLocalVariable;
90 }
91
92 QT_END_NAMESPACE
93