Fuzion extension for Visual Studio Code

This is a Visual Studio Code extension to support development in the Fuzion Programming Language.

Install (Java 21 required)

• https://marketplace.visualstudio.com/items?itemName=tokiwa-software.fuzion-lang
• https://open-vsx.org/extension/tokiwa-software/fuzion-lang

Requirements

• make, node, npm, javac
• install example: sudo apt-get install make openjdk-21-jdk nodejs npm

Windows (additional requirements)

• install wsl (Windows Subsytem for Linux)
• in wsl: sudo apt-get install openjdk-21-jdk nodejs npm
• set vscode-setting: "terminal.integrated.defaultProfile.windows": "Ubuntu-20.04 (WSL)"
• NOTE: the following is only neeeded when debugging on windows
• OR when you want to run make run_tests with 'windows-style' paths.

1. install https://www.msys2.org/
2. in msys2_shell install make: pacman -S make
3. install OpenJDK 21 or higher for Windows.

Develop

• git submodule update --init --recursive
• npm i
• start debugging in vscode
• (optional) attach to java debugger at port 8000

Build

• make build-vsix which should produce an artifact like fuzion-lang-[version].vsix

Distribute

• make publish_marketplace_visualstudio
• make publish_open_vsx

Settings

• fuzion.java.modules
  • list of java modules the fuzion language server should use
  • example: ["java.base"]

Features

• Syntax Highlighting for .fz files
• Language Server Client

Syntax Highlighting (via Semantic Tokens)

Definition

Completion

Hover

References

Diagnostics

Renaming

Evaluation

Syntax Tree

Outline

Signature Help

Call Graph

Known Windows (wsl) problems/workaround

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Problem: tar EPERM: operation not permitted, futime

Workaround: sudo umount /mnt/c && sudo mount -t drvfs C: /mnt/c -o metadata,uid=1000,gid=1000,umask=22,fmask=111

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