io.parsingdata.metal.token

Class Cho

java.lang.Object

io.parsingdata.metal.token.Token

io.parsingdata.metal.token.Cho

public class Cho
extends Token

A Token that specifies a choice out of a list of tokens.

A Cho consists of a list of tokens. If none of the tokens succeed, the Cho fails. If any token succeeds, the Cho succeeds. Precedence is from left to right.

Field Summary

Fields

Modifier and Type	Field and Description
ImmutableList<Token>	tokens

Fields inherited from class io.parsingdata.metal.token.Token

EMPTY_NAME, encoding, name, NO_NAME, SEPARATOR

Constructor Summary

Constructors

Constructor and Description
Cho(String name, Encoding encoding, Token token1, Token token2, Token... additionalTokens)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj)
int	hashCode()
protected Optional<ParseState>	parseImpl(Environment environment)
String	toString()

Methods inherited from class io.parsingdata.metal.token.Token

getCanonical, isLocal, makeNameFragment, parse

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

tokens

public final ImmutableList<Token> tokens

Constructor Detail

Cho

public Cho(String name,
           Encoding encoding,
           Token token1,
           Token token2,
           Token... additionalTokens)

Method Detail

parseImpl

protected Optional<ParseState> parseImpl(Environment environment)

Specified by:

parseImpl in class Token

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Token

hashCode

public int hashCode()

Overrides:

hashCode in class Token