org.apache.sling.scripting.sightly.impl.compiler.optimization

Class VariableFinder

java.lang.Object

org.apache.sling.scripting.sightly.compiler.expression.SideEffectVisitor

org.apache.sling.scripting.sightly.impl.compiler.optimization.VariableFinder

All Implemented Interfaces:

NodeVisitor<Object>

public class VariableFinder
extends SideEffectVisitor

SideEffectVisitor which extracts all the variables from an expression.

Constructor Summary

Constructors

Constructor and Description
VariableFinder(Set<String> variables)

Method Summary

Modifier and Type	Method and Description
static Set<String>	findVariables(ExpressionNode node)
void	visit(ArrayLiteral arrayLiteral)
void	visit(BinaryOperation binaryOperation)
void	visit(BooleanConstant booleanConstant)
void	visit(Identifier identifier)
void	visit(MapLiteral mapLiteral)
void	visit(NullLiteral nullLiteral)
void	visit(NumericConstant numericConstant)
void	visit(PropertyAccess propertyAccess)
void	visit(RuntimeCall runtimeCall)
void	visit(StringConstant text)
void	visit(TernaryOperator ternaryOperator)
void	visit(UnaryOperation unaryOperation)

Methods inherited from class org.apache.sling.scripting.sightly.compiler.expression.SideEffectVisitor

evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate, evaluate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

VariableFinder

public VariableFinder(Set<String> variables)

Method Detail

findVariables

public static Set<String> findVariables(ExpressionNode node)

visit

public void visit(PropertyAccess propertyAccess)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(Identifier identifier)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(StringConstant text)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(BinaryOperation binaryOperation)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(BooleanConstant booleanConstant)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(NumericConstant numericConstant)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(UnaryOperation unaryOperation)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(TernaryOperator ternaryOperator)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(RuntimeCall runtimeCall)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(MapLiteral mapLiteral)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(ArrayLiteral arrayLiteral)

Specified by:

visit in class SideEffectVisitor

visit

public void visit(NullLiteral nullLiteral)

Specified by:

visit in class SideEffectVisitor