Translate
Class Exp.Cx.Rel

java.lang.Object
  Translate.Exp
      Translate.Exp.Cx
          Translate.Exp.Cx.Rel

Enclosing class:

Exp.Cx

public static class Exp.Cx.Rel
extends Exp.Cx

A wrapper for relational operators that may be used for both their Boolean value and for control transfer.

Nested Class Summary

Nested classes/interfaces inherited from class Translate.Exp.Cx

Exp.Cx.IfThenElseExp, Exp.Cx.Rel

Nested classes/interfaces inherited from class Translate.Exp

Exp.Cx, Exp.Ex, Exp.Nx

Constructor Summary

Exp.Cx.Rel(Tree.Stm.CJUMP.Operator o, Tree.Exp l, Tree.Exp r)

Method Summary

Tree.Stm

unCx(Temp.Label t, Temp.Label f) Unwrap this expression, to obtain code that causes transfer of control based on the Boolean value of the expression.

Methods inherited from class Translate.Exp.Cx

unEx, unNx

Methods inherited from class java.lang.Object

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

Constructor Detail

Exp.Cx.Rel

public Exp.Cx.Rel(Tree.Stm.CJUMP.Operator o,
                  Tree.Exp l,
                  Tree.Exp r)

Method Detail

unCx

public Tree.Stm unCx(Temp.Label t,
                     Temp.Label f)

Description copied from class: Exp

Unwrap this expression, to obtain code that causes transfer of control based on the Boolean value of the expression.

Specified by:

unCx in class Exp.Cx

Parameters:

t - label to branch to on true

f - label to branch to on false

Returns:

the tree code to evaluate the expression and effect the transfer of control.