# Package org.apache.groovy.parser.antlr4.internal

package org.apache.groovy.parser.antlr4.internal
Internal utilities for the ANTLR4 (Parrot) parser: ATN management, friendly error strategies (`DescriptiveErrorStrategy` fail-fast, `RecoveringDescriptiveErrorStrategy` multi-error), and related diagnostics.

- Related Packages
  Package
  Description
  org.apache.groovy.parser.antlr4
  ANTLR4-based parser for Groovy language.
  org.apache.groovy.parser.antlr4.internal.atnmanager
  Manages Augmented Transition Network (ATN) state and caching for ANTLR4 parser optimization.
  org.apache.groovy.parser.antlr4.util
  Utility classes for ANTLR4 parser operations.
- Classes
  Class
  Description
  DescriptiveErrorStrategy
  Fail-fast parser error strategy with friendly diagnostics (default Parrot mode).
  RecoveringDescriptiveErrorStrategy
  Recovering parser error strategy with the same friendly diagnostics as `DescriptiveErrorStrategy`.