Package org.rumbledb.compiler.utils

Class TokenStreamUtils

java.lang.Object

org.rumbledb.compiler.utils.TokenStreamUtils

public final class TokenStreamUtils
extends Object

Utilities for querying and inspecting ANTLR token streams.

Method Summary

Modifier and Type	Method	Description
static String	getHiddenTextAfter(org.antlr.v4.runtime.CommonTokenStream tokenStream, int previousTokenIndex)	Concatenates hidden-channel tokens immediately following a token.

Methods inherited from class java.lang.Object

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

Method Details

getHiddenTextAfter

public static String getHiddenTextAfter(org.antlr.v4.runtime.CommonTokenStream tokenStream,
 int previousTokenIndex)

Concatenates hidden-channel tokens immediately following a token.

Parameters:

tokenStream - token stream containing the hidden tokens

previousTokenIndex - index of the token preceding the hidden tokens

Returns:

the hidden text, or an empty string when no hidden tokens follow