Package com.igormaznitsa.prologparser

Class AstItem

java.lang.Object

com.igormaznitsa.prologparser.AstItem

final class AstItem
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
private AstItem	leftItem
private AstItem	parentItem
private AstItem	rightItem
private PrologTerm	savedTerm

Constructor Summary

Constructors

Constructor	Description
AstItem(PrologTerm term, int line, int pos)

Method Summary

Modifier and Type	Method	Description
(package private) PrologTerm	convertToTermAndRelease(PrologParser parser)
(package private) AstItem	findFirstNodeWithSuchOrLowerPrecedence(int precedence)
(package private) AstItem	findRoot()
private AstItem	getLeftBranch()
(package private) OpAssoc	getOpAssoc()
(package private) int	getPrecedence()
(package private) AstItem	getRightBranch()
(package private) TermType	getType()
private boolean	isAnyBlock()
private boolean	isBlock()
private boolean	isOperandsOk()
private boolean	isOperator()
private boolean	isPrecedenceOk()
(package private) AstItem	makeAsOwnerWithLeftBranch(AstItem item)
(package private) AstItem	makeAsRightBranch(AstItem item)
private void	replaceForOwner(AstItem newItem)
private void	setLeftBranch(AstItem item)
private void	setRightBranch(AstItem item)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

savedTerm

private final PrologTerm savedTerm

leftItem

private AstItem leftItem

rightItem

private AstItem rightItem

parentItem

private AstItem parentItem

Constructor Detail

AstItem

AstItem(PrologTerm term,
        int line,
        int pos)

Method Detail

getPrecedence

int getPrecedence()

makeAsRightBranch

AstItem makeAsRightBranch(AstItem item)

makeAsOwnerWithLeftBranch

AstItem makeAsOwnerWithLeftBranch(AstItem item)

getRightBranch

AstItem getRightBranch()

setRightBranch

private void setRightBranch(AstItem item)

getLeftBranch

private AstItem getLeftBranch()

setLeftBranch

private void setLeftBranch(AstItem item)

getType

TermType getType()

findRoot

AstItem findRoot()

findFirstNodeWithSuchOrLowerPrecedence

AstItem findFirstNodeWithSuchOrLowerPrecedence(int precedence)

replaceForOwner

private void replaceForOwner(AstItem newItem)

getOpAssoc

OpAssoc getOpAssoc()

isOperandsOk

private boolean isOperandsOk()

isPrecedenceOk

private boolean isPrecedenceOk()

isAnyBlock

private boolean isAnyBlock()

isBlock

private boolean isBlock()

isOperator

private boolean isOperator()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

convertToTermAndRelease

PrologTerm convertToTermAndRelease(PrologParser parser)