coins.backend.gen
Class Rule

java.lang.Object
  coins.backend.gen.Rule

class Rule

extends java.lang.Object

Production rule body.

Field Summary

(package private) ImList	clobber Clobber list
(package private) ImList	code Object code in S-expression
(package private) java.lang.String	def Visible form of production
(package private) long	eqregs Register equation.
(package private) boolean	hasDelaySlot Has delay slot.
(package private) int	id Produciton rule number
(package private) boolean	isChain Chain rule flag
(package private) boolean	isDerived Derived rule flag
(package private) int	lhs Left hand side nonterminal
(package private) java.lang.String[]	regsets Register set name for each nonterminal.
(package private) int[]	subgoals Nonterminals appear in right hand side (not including ones in subrules).
(package private) boolean	useAfterDef Use after def flag.
(package private) ImList	value Value code in S-expression

Constructor Summary

(package private)

Rule(int id, boolean isChain, boolean isDerived, int lhs, java.lang.String def, ImList code, ImList value, ImList clobber, long eqregs, boolean useAfterDef, boolean hasDelaySlot, int[] subgoals, java.lang.String[] regsets) Create Rule object.

Method Summary

java.lang.String

toString() Visualize

Methods inherited from class java.lang.Object

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

Field Detail

id

final int id

Produciton rule number

def

final java.lang.String def

Visible form of production

code

final ImList code

Object code in S-expression

value

final ImList value

Value code in S-expression

clobber

final ImList clobber

Clobber list

isChain

final boolean isChain

Chain rule flag

isDerived

final boolean isDerived

Derived rule flag

lhs

final int lhs

Left hand side nonterminal

subgoals

final int[] subgoals

Nonterminals appear in right hand side (not including ones in subrules).

regsets

final java.lang.String[] regsets

Register set name for each nonterminal. (including ones in subrules). regset[0] is for lhs.

eqregs

final long eqregs

Register equation. Assign $n to same register as $0 if (((eqregs >> n) & 1) == 1).

useAfterDef

final boolean useAfterDef

Use after def flag.

hasDelaySlot

final boolean hasDelaySlot

Has delay slot.

Constructor Detail

Rule

Rule(int id,
     boolean isChain,
     boolean isDerived,
     int lhs,
     java.lang.String def,
     ImList code,
     ImList value,
     ImList clobber,
     long eqregs,
     boolean useAfterDef,
     boolean hasDelaySlot,
     int[] subgoals,
     java.lang.String[] regsets)

Create Rule object.

Method Detail

toString

public java.lang.String toString()

Visualize