com.sun.tools.javac.jvm
Class Items.CondItem

java.lang.Object
  com.sun.tools.javac.jvm.Items.Item
      com.sun.tools.javac.jvm.Items.CondItem

Enclosing class:

Items

 class Items.CondItem
extends Items.Item

An item representing a conditional or unconditional jump.

Field Summary

(package private) Code.Chain	falseJumps A chain encomassing all jumps that can be taken if the condition evaluates to false.
(package private) int	opcode The jump's opcode.
(package private) JCTree	tree
(package private) Code.Chain	trueJumps A chain encomassing all jumps that can be taken if the condition evaluates to true.

Fields inherited from class com.sun.tools.javac.jvm.Items.Item

typecode

Constructor Summary

Items.CondItem(int opcode, Code.Chain truejumps, Code.Chain falsejumps)

Method Summary

(package private) void	drop() Generate code to avoid having to use this item.
(package private) void	duplicate() Generate code to use this item twice.
(package private) boolean	isFalse()
(package private) boolean	isTrue()
(package private) Code.Chain	jumpFalse()
(package private) Code.Chain	jumpTrue()
(package private) Items.Item	load() Generate code to load this item onto stack.
(package private) Items.CondItem	mkCond() Generate code to turn item into a testable condition.
(package private) Items.CondItem	negate()
(package private) void	stash(int toscode) Generate code to stash a copy of top of stack - of typecode toscode - under this item.
java.lang.String	toString()
(package private) int	width() Return the width of this item on stack as a number of words.

Methods inherited from class com.sun.tools.javac.jvm.Items.Item

coerce, coerce, invoke, store

Methods inherited from class java.lang.Object

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

Field Detail

trueJumps

Code.Chain trueJumps

A chain encomassing all jumps that can be taken if the condition evaluates to true.

falseJumps

Code.Chain falseJumps

A chain encomassing all jumps that can be taken if the condition evaluates to false.

opcode

int opcode

The jump's opcode.

tree

JCTree tree

Constructor Detail

Items.CondItem

Items.CondItem(int opcode,
               Code.Chain truejumps,
               Code.Chain falsejumps)

Method Detail

load

Items.Item load()

Description copied from class: Items.Item

Generate code to load this item onto stack.

Overrides:

load in class Items.Item

duplicate

void duplicate()

Description copied from class: Items.Item

Generate code to use this item twice.

Overrides:

duplicate in class Items.Item

drop

void drop()

Description copied from class: Items.Item

Generate code to avoid having to use this item.

Overrides:

drop in class Items.Item

stash

void stash(int toscode)

Description copied from class: Items.Item

Generate code to stash a copy of top of stack - of typecode toscode - under this item.

Overrides:

stash in class Items.Item

mkCond

Items.CondItem mkCond()

Description copied from class: Items.Item

Generate code to turn item into a testable condition.

Overrides:

mkCond in class Items.Item

jumpTrue

Code.Chain jumpTrue()

jumpFalse

Code.Chain jumpFalse()

negate

Items.CondItem negate()

width

int width()

Description copied from class: Items.Item

Return the width of this item on stack as a number of words.

Overrides:

width in class Items.Item

isTrue

boolean isTrue()

isFalse

boolean isFalse()

toString

public java.lang.String toString()

Specified by:

toString in class Items.Item