Matches boolean literals. More...

Inheritance diagram for QPatternist::BooleanIdentifier:

Public Functions
	BooleanIdentifier (const bool value)

virtual bool	matches (const Expression::Ptr &expr) const

Public Functions inherited from QPatternist::ExpressionIdentifier
	ExpressionIdentifier ()

virtual	~ExpressionIdentifier ()

Public Functions inherited from QSharedData
	QSharedData ()
	Constructs a QSharedData object with a reference count of 0. More...

	QSharedData (const QSharedData &)
	Constructs a QSharedData object with reference count 0. More...

Additional Inherited Members
Public Types inherited from QPatternist::ExpressionIdentifier
typedef QList< ExpressionIdentifier::Ptr >	List

typedef QExplicitlySharedDataPointer< ExpressionIdentifier >	Ptr

Public Variables inherited from QSharedData
QAtomicInt	ref

Detailed Description

Matches boolean literals.

For example BooleanIdentifier(true) would match the former but not the latter operand in this expression: "true() + false()".

Author: Frans englich frans.nosp@m..eng.nosp@m.lich@.nosp@m.noki.nosp@m.a.com

Definition at line 178 of file qoptimizerblocks_p.h.

Constructors and Destructors

BooleanIdentifier::BooleanIdentifier ( const bool value )

Definition at line 118 of file qoptimizerblocks.cpp.

                                                      : m_value(value)
 {
 }

bool BooleanIdentifier::matches ( const Expression::Ptr & expr ) const

virtual

Parameters

expr	the Expression to be tested. This is guranteed to always be a non `null`, valid pointer.

Returns: true if expr matches as according to this ExpressionIdentifier, otherwise false.

Definition at line 122 of file qoptimizerblocks.cpp.

 {
     return expr->is(Expression::IDBooleanValue) &&
            expr->evaluateEBV(DynamicContext::Ptr()) == m_value;
 }

const bool QPatternist::BooleanIdentifier::m_value

private

Definition at line 185 of file qoptimizerblocks_p.h.

Referenced by matches().

The documentation for this class was generated from the following files: