org.stekikun.dolmen.syntax

Class Lexer.Builder

java.lang.Object

org.stekikun.dolmen.syntax.Lexer.Builder

Enclosing class:

Lexer

public static final class Lexer.Builder
extends Object

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

Author:

Stéphane Lescuyer

See Also:

addEntry(Lexer.Entry)

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
Lexer.Builder	addEntries(Lexer.Entry... entries)
Lexer.Builder	addEntry(Lexer.Entry entry)
Lexer	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 lexer

Constructor Detail

Builder

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

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

Parameters:

options -

imports -

header -

regulars -

footer -

Method Detail

addEntry

public Lexer.Builder addEntry(Lexer.Entry entry)

Parameters:

entry -

Returns:

the new state of this builder, with the given entry rule added to the lexer

addEntries

public Lexer.Builder addEntries(Lexer.Entry... entries)

Parameters:

entries -

Returns:

the new state of this builder, with all entries added to the lexer

build

public Lexer build()

Returns:

a lexer description from this builder

Throws:

Lexer.IllFormedException - if the described lexer is not well-formed