EscapeSequenceParsing

java.lang.Object

org.antlr.v4.misc.EscapeSequenceParsing

public abstract class EscapeSequenceParsing extends Object

Utility class to parse escapes like: \\n \\uABCD \\u{10ABCD} \\p{Foo} \\P{Bar} \\p{Baz=Blech} \\P{Baz=Blech}

Nested Class Summary

Nested Classes

Modifier and Type

Class

Description

static class

EscapeSequenceParsing.Result
Constructor Summary

Constructors

Constructor

Description

EscapeSequenceParsing()
Method Summary

Modifier and Type

Method

Description

private static EscapeSequenceParsing.Result

invalid(int start, int stop)

static EscapeSequenceParsing.Result

parseEscape(String s, int startOff)

Parses a single escape sequence starting at startOff.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- EscapeSequenceParsing
  
  public EscapeSequenceParsing()
Method Details
- parseEscape
  
  public static EscapeSequenceParsing.Result parseEscape(String s, int startOff)
  
  Parses a single escape sequence starting at startOff. Returns a type of INVALID if no valid escape sequence was found, a Result otherwise.
- invalid
  
  private static EscapeSequenceParsing.Result invalid(int start, int stop)