com.whitestein.lsps.lang.parser

Class ControlExpressionValidator

java.lang.Object

com.whitestein.lsps.lang.ast.ChildrenExpressionVisitor

com.whitestein.lsps.lang.parser.ControlExpressionValidator

All Implemented Interfaces:

ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

public class ControlExpressionValidator
extends ChildrenExpressionVisitor

A validator that checks that "break" and "continue" are not used outside loops.

Author:

mvo

Constructor Summary

Constructors

Constructor and Description
ControlExpressionValidator() A default constructor.

Method Summary

Modifier and Type	Method and Description
Errors	getErrors() Returns the validation errors that were found during validation.
java.lang.Object	visit(BreakExpression expression) Visits a break expression.
java.lang.Object	visit(ClosureExpression expression) Visits a closure.
java.lang.Object	visit(ContinueExpression expression) Visits a continue expression.
java.lang.Object	visit(ForeachExpression expression) Visits a foreach expression.
java.lang.Object	visit(ForExpression expression) Visits a for expression.
java.lang.Object	visit(WhileExpression expression) Visits a while expresion.
protected void	visitChild(Expression expression) Called for each child of the given node.

Methods inherited from class com.whitestein.lsps.lang.ast.ChildrenExpressionVisitor

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitEnter, visitLeave

Methods inherited from class java.lang.Object

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

Constructor Detail

ControlExpressionValidator

public ControlExpressionValidator()

A default constructor.

Method Detail

getErrors

public Errors getErrors()

Returns the validation errors that were found during validation.

Returns:

the validation errors

visit

public java.lang.Object visit(BreakExpression expression)

Description copied from interface: ExpressionVisitor

Visits a break expression.

Specified by:

visit in interface ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

Overrides:

visit in class ChildrenExpressionVisitor

Returns:

a result of the visit

visit

public java.lang.Object visit(ContinueExpression expression)

Description copied from interface: ExpressionVisitor

Visits a continue expression.

Specified by:

visit in interface ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

Overrides:

visit in class ChildrenExpressionVisitor

Returns:

a result of the visit

visit

public java.lang.Object visit(WhileExpression expression)

Description copied from interface: ExpressionVisitor

Visits a while expresion.

Specified by:

visit in interface ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

Overrides:

visit in class ChildrenExpressionVisitor

Returns:

result of the visit

visit

public java.lang.Object visit(ForExpression expression)

Description copied from interface: ExpressionVisitor

Visits a for expression.

Specified by:

visit in interface ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

Overrides:

visit in class ChildrenExpressionVisitor

Returns:

result of the visit

visit

public java.lang.Object visit(ForeachExpression expression)

Description copied from interface: ExpressionVisitor

Visits a foreach expression.

Specified by:

visit in interface ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

Overrides:

visit in class ChildrenExpressionVisitor

Returns:

result of the visit

visit

public java.lang.Object visit(ClosureExpression expression)

Description copied from interface: ExpressionVisitor

Visits a closure.

Specified by:

visit in interface ExpressionVisitor<java.lang.Object,java.lang.RuntimeException>

Overrides:

visit in class ChildrenExpressionVisitor

Returns:

result of the visit

visitChild

protected void visitChild(Expression expression)

Description copied from class: ChildrenExpressionVisitor

Called for each child of the given node.

Overrides:

visitChild in class ChildrenExpressionVisitor