Package com.tonic.analysis.source.ast.stmt

Class LabeledStmt

java.lang.Object

com.tonic.analysis.source.ast.stmt.LabeledStmt

All Implemented Interfaces:

ASTNode, Statement

public final class LabeledStmt
extends Object
implements Statement

A statement prefixed with a label, the target of labeled breaks and continues.

Constructor Summary

Constructors

Constructor	Description
LabeledStmt(String label, Statement statement)	Creates a labeled statement with an unknown location.
LabeledStmt(String label, Statement statement, SourceLocation location)	Creates a labeled statement and parents the wrapped statement to it.

Method Summary

Modifier and Type	Method	Description
<T> T	accept(SourceVisitor<T> visitor)	Accepts a visitor for this node.
List<ASTNode>	getChildren()	Lists the direct children a node holds, in source order.
String	getLabel()	Gets the label for this statement, if any.
SourceLocation	getLocation()	Gets the source location of this node.
ASTNode	getParent()	Gets the parent node in the AST tree.
Statement	getStatement()
void	setLocation(SourceLocation location)	Sets this statement's source location.
void	setParent(ASTNode parent)	Sets the enclosing AST node.
void	setStatement(Statement statement)	Replaces the labeled statement, reparenting old and new nodes.
String	toString()
LabeledStmt	withStatement(Statement statement)	Replaces the labeled statement, reparenting old and new nodes.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.tonic.analysis.source.ast.ASTNode

deepClone, findAll, findAll, findAncestor, findFirst, findFirst, getRoot, isDescendantOf, remove, replaceWith, stream, stream, walk

Constructor Detail

LabeledStmt

public LabeledStmt(String label,
                   Statement statement,
                   SourceLocation location)

Creates a labeled statement and parents the wrapped statement to it.

Parameters:

label - the label name

statement - the labeled statement

location - source location, or null for unknown

Throws:

NullPointerException - if label or statement is null

LabeledStmt

public LabeledStmt(String label,
                   Statement statement)

Creates a labeled statement with an unknown location.

Parameters:

label - the label name

statement - the labeled statement

Throws:

NullPointerException - if label or statement is null

Method Detail

getStatement

public Statement getStatement()

Returns:

the statement

setStatement

public void setStatement(Statement statement)

Replaces the labeled statement, reparenting old and new nodes.

Parameters:

statement - the new statement

getLocation

public SourceLocation getLocation()

Description copied from interface: ASTNode

Gets the source location of this node.

Specified by:

getLocation in interface ASTNode

Returns:

the location

getParent

public ASTNode getParent()

Description copied from interface: ASTNode

Gets the parent node in the AST tree.

Specified by:

getParent in interface ASTNode

Returns:

the parent

setParent

public void setParent(ASTNode parent)

Sets the enclosing AST node.

Specified by:

setParent in interface ASTNode

Parameters:

parent - the new parent node

withStatement

public LabeledStmt withStatement(Statement statement)

Replaces the labeled statement, reparenting old and new nodes.

Parameters:

statement - the new statement

Returns:

this statement

Throws:

NullPointerException - if statement is null

getLabel

public String getLabel()

Description copied from interface: Statement

Gets the label for this statement, if any.

Specified by:

getLabel in interface Statement

Returns:

the label, or null if not labeled

getChildren

public List<ASTNode> getChildren()

Description copied from interface: ASTNode

Lists the direct children a node holds, in source order.

Specified by:

getChildren in interface ASTNode

Returns:

the direct children, empty for a leaf

accept

public <T> T accept(SourceVisitor<T> visitor)

Description copied from interface: ASTNode

Accepts a visitor for this node.

Specified by:

accept in interface ASTNode

Type Parameters:

T - the return type of the visitor

Parameters:

visitor - the visitor to accept

Returns:

the result from the visitor

toString

public String toString()

Overrides:

toString in class Object

setLocation

public void setLocation(SourceLocation location)

Description copied from interface: Statement

Sets this statement's source location.

Specified by:

setLocation in interface Statement

Parameters:

location - the provenance to stamp, or null for SourceLocation.UNKNOWN