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

Class CommandVariableUsage

java.lang.Object

org.apache.sling.scripting.sightly.compiler.commands.AbstractCommandVisitor

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

All Implemented Interfaces:

CommandVisitor

public class CommandVariableUsage
extends AbstractCommandVisitor

Extracts the variables used in a command

Constructor Summary

Constructors

Constructor and Description
CommandVariableUsage()

Method Summary

Modifier and Type	Method and Description
static List<String>	extractVariables(Command command)
void	visit(Conditional.Start conditionalStart) Process a Conditional.Start command.
void	visit(Loop.Start loopStart) Process a Loop.Start command.
void	visit(OutputVariable outputVariable) Process a OutputVariable command.
void	visit(Procedure.Call procedureCall) Process a Procedure.Call command.
void	visit(VariableBinding.Global globalAssignment) Process a VariableBinding.Global command.
void	visit(VariableBinding.Start variableBindingStart) Process a VariableBinding.Start command.

Methods inherited from class org.apache.sling.scripting.sightly.compiler.commands.AbstractCommandVisitor

visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandVariableUsage

public CommandVariableUsage()

Method Detail

extractVariables

public static List<String> extractVariables(Command command)

visit

public void visit(Conditional.Start conditionalStart)

Description copied from interface: CommandVisitor

Process a Conditional.Start command.

Specified by:

visit in interface CommandVisitor

Overrides:

visit in class AbstractCommandVisitor

Parameters:

conditionalStart - the command

visit

public void visit(VariableBinding.Start variableBindingStart)

Description copied from interface: CommandVisitor

Process a VariableBinding.Start command.

Specified by:

visit in interface CommandVisitor

Overrides:

visit in class AbstractCommandVisitor

Parameters:

variableBindingStart - the command

visit

public void visit(VariableBinding.Global globalAssignment)

Description copied from interface: CommandVisitor

Process a VariableBinding.Global command.

Specified by:

visit in interface CommandVisitor

Overrides:

visit in class AbstractCommandVisitor

Parameters:

globalAssignment - the command

visit

public void visit(OutputVariable outputVariable)

Description copied from interface: CommandVisitor

Process a OutputVariable command.

Specified by:

visit in interface CommandVisitor

Overrides:

visit in class AbstractCommandVisitor

Parameters:

outputVariable - the command

visit

public void visit(Loop.Start loopStart)

Description copied from interface: CommandVisitor

Process a Loop.Start command.

Specified by:

visit in interface CommandVisitor

Overrides:

visit in class AbstractCommandVisitor

Parameters:

loopStart - the command

visit

public void visit(Procedure.Call procedureCall)

Description copied from interface: CommandVisitor

Process a Procedure.Call command.

Specified by:

visit in interface CommandVisitor

Overrides:

visit in class AbstractCommandVisitor

Parameters:

procedureCall - the command