Issues

• In IntelliJ IDEA 2026.2.2, an error occurs: 'runBlockingCancellable' is forbidden in the Write Action because it may start a long-running computation.

  bug
  antlr/intellij-plugin-v4#745 · Filter by author linghengqian opened on Sep 7, 2026
  1

• Live preview crashes due to not processing semantic predicates

  bug
  antlr/intellij-plugin-v4#732 · Filter by author SteveHere opened on Jun 11, 2025
  2

• Clicking on parsed code in the preview does not always expand the hierarchy tree.

  antlr/intellij-plugin-v4#726 · Filter by author anto-1 opened on Mar 15, 2025
  1

• Add an option to disable "// Generated from ..." content (in C#)

  antlr/intellij-plugin-v4#720 · Filter by author MihaMarkic opened on Oct 15, 2024
  2

• Small issue with Rider and detached windows

  antlr/intellij-plugin-v4#712 · Filter by author MihaMarkic opened on Aug 25, 2024

• Disable IDEA ANTLR plugin from generating parsers and leave it to GRADLE ANTLR plugin

  antlr/intellij-plugin-v4#704 · Filter by author gnom7 opened on May 29, 2024

• ANTLR plugin high CPU utilization during idle

  bugperformance
  antlr/intellij-plugin-v4#702 · Filter by author gravityfox opened on May 3, 2024
  2

• live templates stopped to work

  bug
  antlr/intellij-plugin-v4#700 · Filter by author tbabczynski opened on Apr 4, 2024
  5

• Generate an abstract class/interface for rule containing only other parser rules as unnamed subrules

  antlr/intellij-plugin-v4#699 · Filter by author Fancryer opened on Apr 1, 2024
  1

• plugin does not trigger code generator on save

  bug
  antlr/intellij-plugin-v4#697 · Filter by author tbabczynski opened on Mar 26, 2024
  1

• class org.antlr.v4.tool.Grammar cannot be cast to class org.antlr.v4.tool.LexerGrammar

  bug
  antlr/intellij-plugin-v4#695 · Filter by author bjansen opened on Mar 2, 2024

• 'Generate ANTLR Recognizer' doesn't overwrite *Parser.java

  bug
  antlr/intellij-plugin-v4#685 · Filter by author egor-ryashin opened on Jan 18, 2024
  1

• java.lang.NullPointerException: Cannot invoke "com.intellij.openapi.editor.Editor.getScrollingModel()" because "inputEditor" is null

  antlr/intellij-plugin-v4#674 · Filter by author amryounis opened on Nov 13, 2023
  1

• Plugin configuration file - store with a project

  antlr/intellij-plugin-v4#663 · Filter by author Lorthiz opened on Sep 27, 2023
  1

• got 'java.lang.ExceptionInInitializerError' when i enabled the antlr plugin and restart IDEA

  bug
  antlr/intellij-plugin-v4#654 · Filter by author NOknow95 opened on Aug 7, 2023
  2

• Option name shouldn't introduce a reference

  antlr/intellij-plugin-v4#653 · Filter by author ris58h opened on Jul 19, 2023
  2

• Control-click in ANTLR Preview gives NoSuchElementException

  bug
  antlr/intellij-plugin-v4#652 · Filter by author bseib opened on Jul 7, 2023
  2

• Test Rule function arguments checkbox change default to File

  antlr/intellij-plugin-v4#644 · Filter by author Terrency opened on Jun 20, 2023

• It seems that the -Xlog option does not work

  antlr/intellij-plugin-v4#635 · Filter by author hengxin opened on May 8, 2023

• Exception in plugin ANTLR v4 (1.19.3-3)

  antlr/intellij-plugin-v4#634 · Filter by author Stranger2015 opened on May 1, 2023

• IDE error while generating ANTL recognizer

  antlr/intellij-plugin-v4#630 · Filter by author vit-tucek opened on Apr 17, 2023

• Underline files with errors in project view

  enhancement
  antlr/intellij-plugin-v4#626 · Filter by author TysonMN opened on Apr 5, 2023
  3

• intellij-plugin-v4 does not generate parse tree upon error recovery correctly

  question
  antlr/intellij-plugin-v4#597 · Filter by author hengxin opened on Nov 29, 2022
  1

• NPE On Startup - ProfilerPanel

  bug
  antlr/intellij-plugin-v4#572 · Filter by author piacenti opened on Jul 21, 2022
  1

• Plugin doesn't reassign extension if it has already been associated with text

  enhancement
  antlr/intellij-plugin-v4#569 · Filter by author yasamprom opened on Jun 26, 2022
  2