Package com.puppycrawl.tools.checkstyle.checks.coding

Class UnusedLocalVariableCheck.VariableDesc

java.lang.Object

com.puppycrawl.tools.checkstyle.checks.coding.UnusedLocalVariableCheck.VariableDesc

Enclosing class:

UnusedLocalVariableCheck

private static final class UnusedLocalVariableCheck.VariableDesc
extends Object

Maintains information about the variable.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	instVarOrClassVar	Is an instance variable or a class variable.
private String	name	The name of the variable.
private DetailAST	scope	The scope of variable is determined by the ast of type TokenTypes.SLIST or TokenTypes.LITERAL_FOR or TokenTypes.OBJBLOCK which is enclosing the variable.
private DetailAST	typeAst	Ast of type TokenTypes.TYPE.
private boolean	used	Is the variable used.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	VariableDesc(String name)	Create a new VariableDesc instance.
private	VariableDesc(String name, DetailAST scope)	Create a new VariableDesc instance.
private	VariableDesc(String name, DetailAST typeAst, DetailAST scope)	Create a new VariableDesc instance.

Method Summary

Modifier and Type	Method	Description
String	getName()	Get the name of variable.
DetailAST	getScope()	Get ast of type TokenTypes.SLIST or TokenTypes.LITERAL_FOR or TokenTypes.OBJBLOCK which is enclosing the variable i.e. its scope.
DetailAST	getTypeAst()	Get the associated ast node of type TokenTypes.TYPE.
boolean	isInstVarOrClassVar()	Is an instance variable or a class variable.
boolean	isUsed()	Is the variable used or not.
void	registerAsInstOrClassVar()	Register the variable as an instance variable or class variable.
void	registerAsUsed()	Register the variable as used.

Methods inherited from class java.lang.Object

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

Field Detail

name

private final String name

The name of the variable.

typeAst

private final DetailAST typeAst

Ast of type TokenTypes.TYPE.

scope

private final DetailAST scope

The scope of variable is determined by the ast of type TokenTypes.SLIST or TokenTypes.LITERAL_FOR or TokenTypes.OBJBLOCK which is enclosing the variable.

instVarOrClassVar

private boolean instVarOrClassVar

Is an instance variable or a class variable.

used

private boolean used

Is the variable used.

Constructor Detail

VariableDesc

private VariableDesc(String name,
                     DetailAST typeAst,
                     DetailAST scope)

Create a new VariableDesc instance.

Parameters:

name - name of the variable

typeAst - ast of type TokenTypes.TYPE

scope - ast of type TokenTypes.SLIST or TokenTypes.LITERAL_FOR or TokenTypes.OBJBLOCK which is enclosing the variable

VariableDesc

private VariableDesc(String name)

Create a new VariableDesc instance.

Parameters:

name - name of the variable

VariableDesc

private VariableDesc(String name,
                     DetailAST scope)

Create a new VariableDesc instance.

Parameters:

name - name of the variable

scope - ast of type TokenTypes.SLIST or TokenTypes.LITERAL_FOR or TokenTypes.OBJBLOCK which is enclosing the variable

Method Detail

getName

public String getName()

Get the name of variable.

Returns:

name of variable

getTypeAst

public DetailAST getTypeAst()

Get the associated ast node of type TokenTypes.TYPE.

Returns:

the associated ast node of type TokenTypes.TYPE

getScope

public DetailAST getScope()

Get ast of type TokenTypes.SLIST or TokenTypes.LITERAL_FOR or TokenTypes.OBJBLOCK which is enclosing the variable i.e. its scope.

Returns:

the scope associated with the variable

registerAsUsed

public void registerAsUsed()

Register the variable as used.

registerAsInstOrClassVar

public void registerAsInstOrClassVar()

Register the variable as an instance variable or class variable.

isUsed

public boolean isUsed()

Is the variable used or not.

Returns:

true if variable is used

isInstVarOrClassVar

public boolean isInstVarOrClassVar()

Is an instance variable or a class variable.

Returns:

true if is an instance variable or a class variable