org.stekikun.dolmen.unparam

Class Grammars.PredictionTable.Builder

java.lang.Object

org.stekikun.dolmen.unparam.Grammars.PredictionTable.Builder

Enclosing class:

Grammars.PredictionTable

public static final class Grammars.PredictionTable.Builder
extends Object

A builder class for prediction tables

Author:

Stéphane Lescuyer

Constructor Summary

Constructors

Constructor and Description
Builder(Grammar grammar) Creates a fresh builder for a partition table based on the given grammar

Method Summary

Modifier and Type	Method and Description
Grammars.PredictionTable.Builder	add(String nterm, String term, Production prod) Extends the partition table in this builder by associating the production prod to the given combination of non-terminal and terminal.
Grammars.PredictionTable	build()

Methods inherited from class java.lang.Object

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

Constructor Detail

Builder

public Builder(Grammar grammar)

Creates a fresh builder for a partition table based on the given grammar

Parameters:

grammar -

Method Detail

add

public Grammars.PredictionTable.Builder add(String nterm,
                                            String term,
                                            Production prod)

Extends the partition table in this builder by associating the production prod to the given combination of non-terminal and terminal. If the production is already associated to these tokens, this does nothing. If it is not the first production recorded for this combination, it adds it nonetheless and this will result in a prediction table with conflicts.

Parameters:

nterm -

term -

prod -

Returns:

the new state of the builder

build

public Grammars.PredictionTable build()

Returns:

the prediction table prepared in this builder