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

Class ThrowStmt

java.lang.Object

com.tonic.analysis.source.ast.stmt.ThrowStmt

All Implemented Interfaces:

ASTNode, Statement

public final class ThrowStmt
extends Object
implements Statement

A throw statement, owning the thrown expression as its only child.

Constructor Summary

Constructors

Constructor	Description
ThrowStmt(Expression exception)	Creates a throw statement with an unknown source position.
ThrowStmt(Expression exception, SourceLocation location)	Creates a throw statement and adopts the thrown expression.

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.
Expression	getException()
SourceLocation	getLocation()	Gets the source location of this node.
ASTNode	getParent()	Gets the parent node in the AST tree.
void	setException(Expression exception)	Replaces the thrown expression, adopting the new one and detaching the old.
void	setLocation(SourceLocation location)	Sets this statement's source location.
void	setParent(ASTNode parent)	Sets the enclosing node.
String	toString()
ThrowStmt	withExpression(Expression exception)	Replaces the thrown expression in place, for chaining.

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

ThrowStmt

public ThrowStmt(Expression exception,
                 SourceLocation location)

Creates a throw statement and adopts the thrown expression.

Parameters:

exception - the expression to throw

location - source position, null for unknown

Throws:

NullPointerException - if the exception expression is null

ThrowStmt

public ThrowStmt(Expression exception)

Creates a throw statement with an unknown source position.

Parameters:

exception - the expression to throw

Throws:

NullPointerException - if the exception expression is null

Method Detail

getException

public Expression getException()

Returns:

the exception

setException

public void setException(Expression exception)

Replaces the thrown expression, adopting the new one and detaching the old.

Parameters:

exception - the new expression to throw, may be null

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 node.

Specified by:

setParent in interface ASTNode

Parameters:

parent - the new parent, may be null

withExpression

public ThrowStmt withExpression(Expression exception)

Replaces the thrown expression in place, for chaining.

Parameters:

exception - the new expression to throw

Returns:

this statement

Throws:

NullPointerException - if the exception expression is null

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