org.stekikun.dolmen.syntax

Class PGrammar.Builder

java.lang.Object

org.stekikun.dolmen.syntax.PGrammar.Builder

Enclosing class:

PGrammar

public static final class PGrammar.Builder
extends Object

A builder class for PGrammar, where rules can be added incrementally, and which takes care of collecting problem reports along the way

Author:

Stéphane Lescuyer

See Also:

addRule(PGrammarRule)

Field Summary

Fields

Modifier and Type	Field and Description
Reporter	reporter Problems reported when building this grammar

Constructor Summary

Constructors

Constructor and Description
Builder(List<Option> options, List<Located<String>> imports, Extent header, Extent footer) Returns a new builder with the given options, imports, header and footer

Method Summary

Modifier and Type	Method and Description
PGrammar.Builder	addRule(PGrammarRule rule)
PGrammar.Builder	addToken(TokenDecl decl)
PGrammar	build()

Methods inherited from class java.lang.Object

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

Field Detail

reporter

public final Reporter reporter

Problems reported when building this grammar

Constructor Detail

Builder

public Builder(List<Option> options,
               List<Located<String>> imports,
               Extent header,
               Extent footer)

Returns a new builder with the given options, imports, header and footer

Parameters:

options -

imports -

header -

footer -

Method Detail

addToken

public PGrammar.Builder addToken(TokenDecl decl)

Parameters:

decl -

Returns:

the new state of this builder, with the given token declaration added to the grammar

addRule

public PGrammar.Builder addRule(PGrammarRule rule)

Parameters:

rule -

Returns:

the new state of this builder, with the given rule added to the set of rules

build

public PGrammar build()

Returns:

a grammar description from this builder

Throws:

PGrammar.IllFormedException - if the described grammar is not well-formed