org.stekikun.dolmen.syntax

Class TokenDecl

java.lang.Object

org.stekikun.dolmen.syntax.TokenDecl

public final class TokenDecl
extends Object

A token declaration describes the token name, which is the name used in grammar rules to denote that terminal, and the potential value type associated to these tokens.

Author:

Stéphane Lescuyer

Field Summary

Fields

Modifier and Type	Field and Description
Located<String>	name The name of this token
@Nullable Extent	valueType If non-null, the extent of the type of Java values associated to this token at run-time

Constructor Summary

Constructors

Constructor and Description
TokenDecl(Located<String> name, @Nullable Extent valueType) Builds the token declaration with the given name and value type

Method Summary

Modifier and Type	Method and Description
boolean	isValued()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

name

public final Located<String> name

The name of this token

valueType

public final @Nullable Extent valueType

If non-null, the extent of the type of Java values associated to this token at run-time

Constructor Detail

TokenDecl

public TokenDecl(Located<String> name,
                 @Nullable Extent valueType)

Builds the token declaration with the given name and value type

Parameters:

name -

valueType -

Method Detail

isValued

public boolean isValued()

Returns:

true iff tokens of this type bear a semantic value at run-time

toString

public String toString()

Overrides:

toString in class Object