net.oneandone.mork.semantics

Class Ag

java.lang.Object

net.oneandone.mork.semantics.Ag

public class Ag
extends Object

Attribute grammar, supports >=0 synthesized and inherited attributes.

Constructor Summary

Constructors

Constructor and Description
Ag(Grammar grammar)

Method Summary

Modifier and Type	Method and Description
void	add(Attribute a, int no)
void	add(AttributionBuffer ab)
Oag	createSemantics(List<Attribute> firstAttrs)
AttributionBuffer	findDefinition(int prod, AttributeOccurrence ao)
AttributionBuffer	get(int i)
void	getAttributes(int symbol, Set<Attribute> internal, Set<Attribute> synthesized, Set<Attribute> inherited) Besides the classic synthesized and inherited attributes, I have internal attributes.
Grammar	getGrammar()
void	getProduction(int prod, Collection<AttributionBuffer> result)
int	getSize()
boolean	isInternal(Attribute attr)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Ag

public Ag(Grammar grammar)

Method Detail

getGrammar

public Grammar getGrammar()

add

public void add(AttributionBuffer ab)

add

public void add(Attribute a,
                int no)

createSemantics

public Oag createSemantics(List<Attribute> firstAttrs)
                    throws GenericException

Throws:

GenericException

getSize

public int getSize()

get

public AttributionBuffer get(int i)

getProduction

public void getProduction(int prod,
                          Collection<AttributionBuffer> result)

toString

public String toString()

Overrides:

toString in class Object

findDefinition

public AttributionBuffer findDefinition(int prod,
                                        AttributeOccurrence ao)

getAttributes

public void getAttributes(int symbol,
                          Set<Attribute> internal,
                          Set<Attribute> synthesized,
                          Set<Attribute> inherited)

Besides the classic synthesized and inherited attributes, I have internal attributes. Internal attributes are computed when creating the node, a better name might be 'initial'.

isInternal

public boolean isInternal(Attribute attr)