harpoon.Tools.PatMat
Class Spec.StmReturn

java.lang.Object
  harpoon.Tools.PatMat.Spec.Stm
      harpoon.Tools.PatMat.Spec.StmReturn

Enclosing class:

Spec

public static class Spec.StmReturn
extends Spec.Stm

Extension of Spec.Stm representing an expression which is evaluated for its side effects (i.e. we throw away the return value).

See Also:

RETURN

Field Summary

Spec.Exp	retval Return value expression.
Spec.TypeSet	types The set of Types that retval may be.

Constructor Summary

Spec.StmReturn(Spec.TypeSet types, Spec.Exp retval)
Constructs a new Spec.StmReturn.

Method Summary

void	accept(Spec.StmVisitor v) Applies v's visit method to this.
Spec.Stm	build(Spec.ExpList kids) Creates a new Spec.Stm similar to this one, using the provided Spec.ExpList of children.
Spec.ExpList	kids() Creates an Spec.ExpList of children of this Spec.Stm.
String	toString()

Methods inherited from class harpoon.Tools.PatMat.Spec.Stm

canBeRootOfData

Methods inherited from class java.lang.Object

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

Field Detail

types

public final Spec.TypeSet types

The set of Types that retval may be.

retval

public final Spec.Exp retval

Return value expression.

Constructor Detail

Spec.StmReturn

public Spec.StmReturn(Spec.TypeSet types,
                      Spec.Exp retval)

Constructs a new Spec.StmReturn.

Parameters:

types - Types that retval may be.

retval - Return value.

Method Detail

accept

public void accept(Spec.StmVisitor v)

Description copied from class: Spec.Stm

Applies v's visit method to this. This is effectively a gludge to emulate multiple dispatch. Must be reimplemented by all subclasses of Spec.Stm.
effects: Calls v.visit(this).

Specified by:

accept in class Spec.Stm

See Also:

"Design Patterns pgs. 331-344"

build

public Spec.Stm build(Spec.ExpList kids)

Description copied from class: Spec.Stm

Creates a new Spec.Stm similar to this one, using the provided Spec.ExpList of children.

Specified by:

build in class Spec.Stm

kids

public Spec.ExpList kids()

Description copied from class: Spec.Stm

Creates an Spec.ExpList of children of this Spec.Stm.

Specified by:

kids in class Spec.Stm

toString

public String toString()

Overrides:

toString in class Object