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

Class SwitchStmt

java.lang.Object

com.tonic.analysis.source.ast.stmt.SwitchStmt

All Implemented Interfaces:

ASTNode, Statement

public final class SwitchStmt
extends Object
implements Statement

A switch statement over a selector expression and a list of cases.

Constructor Summary

Constructors

Constructor	Description
SwitchStmt(Expression selector)	Creates a switch statement with no cases.
SwitchStmt(Expression selector, List<SwitchCase> cases)	Creates a switch statement with an unknown location.
SwitchStmt(Expression selector, List<SwitchCase> cases, SourceLocation location)	Creates a switch statement and parents the selector to it.

Method Summary

Modifier and Type	Method	Description
<T> T	accept(SourceVisitor<T> visitor)	Accepts a visitor for this node.
void	addCase(SwitchCase switchCase)	Appends a case to this switch.
int	getCaseCount()
List<SwitchCase>	getCases()
List<ASTNode>	getChildren()	Lists the direct children a node holds, in source order.
SwitchCase	getDefaultCase()
SourceLocation	getLocation()	Gets the source location of this node.
ASTNode	getParent()	Gets the parent node in the AST tree.
Expression	getSelector()
boolean	hasDefault()
void	setLocation(SourceLocation location)	Sets this statement's source location.
void	setParent(ASTNode parent)	Sets the enclosing AST node.
void	setSelector(Expression selector)	Replaces the selector expression, reparenting old and new nodes.
String	toString()
SwitchStmt	withSelector(Expression selector)	Replaces the selector expression, 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

Methods inherited from interface com.tonic.analysis.source.ast.stmt.Statement

getLabel

Constructor Detail

SwitchStmt

public SwitchStmt(Expression selector,
                  List<SwitchCase> cases,
                  SourceLocation location)

Creates a switch statement and parents the selector to it.

Parameters:

selector - the switched-on expression

cases - initial cases, or null for none

location - source location, or null for unknown

Throws:

NullPointerException - if selector is null

SwitchStmt

public SwitchStmt(Expression selector,
                  List<SwitchCase> cases)

Creates a switch statement with an unknown location.

Parameters:

selector - the switched-on expression

cases - initial cases, or null for none

Throws:

NullPointerException - if selector is null

SwitchStmt

public SwitchStmt(Expression selector)

Creates a switch statement with no cases.

Parameters:

selector - the switched-on expression

Throws:

NullPointerException - if selector is null

Method Detail

getSelector

public Expression getSelector()

Returns:

the selector

setSelector

public void setSelector(Expression selector)

Replaces the selector expression, reparenting old and new nodes.

Parameters:

selector - the new selector

getCases

public List<SwitchCase> getCases()

Returns:

the cases

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

addCase

public void addCase(SwitchCase switchCase)

Appends a case to this switch.

Parameters:

switchCase - the case to append

getDefaultCase

public SwitchCase getDefaultCase()

Returns:

the default case, or null if there is none

hasDefault

public boolean hasDefault()

Returns:

true if this switch has a default case

getCaseCount

public int getCaseCount()

Returns:

the number of cases

withSelector

public SwitchStmt withSelector(Expression selector)

Replaces the selector expression, reparenting old and new nodes.

Parameters:

selector - the new selector

Returns:

this statement

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