org.stekikun.dolmen.syntax

Class Lexer.Entry.Builder

java.lang.Object

org.stekikun.dolmen.syntax.Lexer.Entry.Builder

Enclosing class:

Lexer.Entry

public static final class Lexer.Entry.Builder
extends Object

A builder class for lexer entries, which lets one add clauses incrementally

Author:

Stéphane Lescuyer

Constructor Summary

Constructors

Constructor and Description
Builder(boolean visibility, Located<String> name, Extent returnType, @Nullable Extent args) Constructs a fresh builder with longest-match rule and an empty set of clauses

Method Summary

Modifier and Type	Method and Description
Lexer.Entry.Builder	add(Located<Regular> regular, Extent loc) Adds the clause formed by the given regular expression and semantic action
Lexer.Entry.Builder	add(Regular regular, String inlined) Adds the clause formed by the given regular expression and inlined semantic action
Lexer.Entry	build()
Lexer.Entry.Builder	setShortest() Use the shortest-match rule for this entry

Methods inherited from class java.lang.Object

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

Constructor Detail

Builder

public Builder(boolean visibility,
               Located<String> name,
               Extent returnType,
               @Nullable Extent args)

Constructs a fresh builder with longest-match rule and an empty set of clauses

Parameters:

visibility -

name -

returnType -

args -

Method Detail

setShortest

public Lexer.Entry.Builder setShortest()

Use the shortest-match rule for this entry

Returns:

the receiver

add

public Lexer.Entry.Builder add(Located<Regular> regular,
                               Extent loc)

Adds the clause formed by the given regular expression and semantic action

Parameters:

regular -

loc -

Returns:

the receiver

add

public Lexer.Entry.Builder add(Regular regular,
                               String inlined)

Adds the clause formed by the given regular expression and inlined semantic action

Parameters:

regular -

inlined -

Returns:

the receiver

build

public Lexer.Entry build()

Returns:

a new lexer entry based on this builder