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Showing content from https://github.com/gmlarumbe/vhdl-ts-mode below:

gmlarumbe/vhdl-ts-mode: Emacs VHDL Tree-sitter Major-mode

The package vhdl-ts-mode provides syntax highlighting, indentation, imenu, which-func, navigation and basic beautify and completion features.

vhdl-ts-mode is derived from vhdl-mode making beautify and other utilities still available.

• Emacs 29.1+ with tree-sitter support
• VHDL tree-sitter grammar

Before installing/building Emacs make sure that tree-sitter is available:

• Ubuntu:

$ sudo apt-get install tree-sitter

• Arch:

$ sudo pacman -S tree-sitter

• Manually:

$ git clone https://github.com/tree-sitter/tree-sitter.git
$ cd tree-sitter
$ make && sudo make install

If Emacs has been built with tree-sitter support the following command should return t:

vhdl-ts-mode is available on MELPA.

To install it via straight with use-package:

(straight-use-package 'use-package)
(use-package vhdl-ts-mode)

To install via Guix use:

$ guix install emacs-vhdl-ts-mode tree-sitter-vhdl

No need to manually install tree-sitter, it is pulled automatically.

The package provides an interactive command to simplify the installation of the grammar:

• M-x RET vhdl-ts-install-grammar RET

This command requires Git, a C compiler and (sometimes) a C++ compiler, and the linker to be installed and on the PATH.

To open VHDL files with vhdl-ts-mode simply add this line to your init file:

(add-to-list 'auto-mode-alist '("\\.vhdl?\\'" . vhdl-ts-mode))

To change the faces default values there are two methods:

• Via M-x customize-group RET vhdl-ts-faces.

  • Customize faces and save configuration once you get the desired result

• Through elisp code

  • Below there is a snippet with a configuration example that works well with a dark background:

  (set-face-attribute 'vhdl-ts-font-lock-then-face nil :foreground "dark olive green")
  (set-face-attribute 'vhdl-ts-font-lock-punctuation-face nil :foreground "burlywood")
  (set-face-attribute 'vhdl-ts-font-lock-operator-face nil :inherit 'vhdl-ts-font-lock-punctuation-face :weight 'extra-bold)
  (set-face-attribute 'vhdl-ts-font-lock-parenthesis-face nil :foreground "dark goldenrod")
  (set-face-attribute 'vhdl-ts-font-lock-brackets-content-face nil :foreground "yellow green")
  (set-face-attribute 'vhdl-ts-font-lock-port-connection-face nil :foreground "bisque2")
  (set-face-attribute 'vhdl-ts-font-lock-entity-face nil :foreground "green1")
  (set-face-attribute 'vhdl-ts-font-lock-instance-face nil :foreground "medium spring green")
  (set-face-attribute 'vhdl-ts-font-lock-instance-lib-face nil :foreground "gray70")
  (set-face-attribute 'vhdl-ts-font-lock-translate-off-face nil :background "gray20" :slant 'italic)

Contributions are welcome! Just stick to common Elisp conventions and run the ERT suite after testing your changes and before submitting a new PR.

For new functionality add new ERT tests if possible.

Consider sponsoring to help maintaining the project and for the development of new features. Thank you!

To run the whole ERT test suite change directory to the vhdl-ts-mode root and make sure test-hdl Git submodule has been loaded:

git submodule update --init

Then run the default target:

To run a subset of tests (e.g. navigation):

To regenerate all the expected outputs for the tests:

To regenerate the expected outputs for a group of tests (e.g. navigation):

$ make gen TESTS=navigation

• verilog-ts-mode: SystemVerilog Tree-sitter mode
• verilog-ext: SystemVerilog Extensions
• vhdl-ext: VHDL Extensions
• fpga: FPGA & ASIC Utilities for tools of major vendors and open source
• wavedrom-mode: edit and render WaveJSON files to create timing diagrams
• vunit-mode: Integration of VUnit workflow

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