de.vandermeer.skb.interfaces.antlr

Interface Antlr_To_FileName

All Superinterfaces:

CategoryIs, Function<Object,String>, IsTransformer<Object,String>, Transformer<Object,String>

public interface Antlr_To_FileName
extends IsTransformer<Object,String>

A transformer that takes an ANTLR runtime object and returns aits souce file name (of the first token).

Since:

v0.0.1

Version:

v0.0.2 build 170502 (02-May-17) for Java 1.8

Author:

Sven van der Meer <vdmeer.sven@mykolab.com>

Method Summary

Modifier and Type	Method and Description
static Antlr_To_FileName	create() Creates a transformer that takes an ANTLR object and returns the file name where the first token was found.
default String	transform(Object obj) Transforms from one representation to another.

Methods inherited from interface Transformer

apply, transform

Methods inherited from interface Function

andThen, compose, identity

Method Detail

transform

default String transform(Object obj)

Description copied from interface: Transformer

Transforms from one representation to another.

Specified by:

transform in interface Transformer<Object,String>

Parameters:

obj - input representation

Returns:

output representation or null if input was null or unexpected class

create

static Antlr_To_FileName create()

Creates a transformer that takes an ANTLR object and returns the file name where the first token was found. The returned transformer will throw runtime exceptions (null pointer, illegal argument) if the given object was not an ANTLR runtime object. The transformer returns null or filename for ANTLR classes (RecognitionException, Token, ParserRuleContext, TerminalNode).

Returns:

new transformer