HDL Aligner

HDL Aligner is a VS Code extension that automatically aligns VHDL code on the separators <=, :=, and =>.

Commands

• Align HDL on <= / := / =>
  Main command to align VHDL code.

Keyboard Shortcuts

• Alt+Q → Executes the command hdlAligner.alignAllSeparators

Installation

1. Open VS Code
2. Search for hdl-aligner in the Extensions Marketplace
3. Click Install

Example

Before:

entity hdl_exemple  is
  port (
    -- Group 1
    input_short                   : in std_logic;                      -- comment 1
    input                    : in std_logic;                      -- comment 2
    input_very_long          : in std_logic;       -- comment 3
    -- Group 2
    output_short                    : out std_logic_vector(7 downto 0);   -- comment 5
    output   : out std_logic;                     -- comment 6
    output_very_long : out std_logic                      -- comment 7
  );
end hdl_exemple;

After :

entity hdl_exemple  is
  port (
    -- Group 1
    input_short      :  in std_logic;                     -- comment 1
    input            :  in std_logic;                     -- comment 2
    input_very_long  :  in std_logic;                     -- comment 3
    -- Group 2
    output_short     :  out std_logic_vector(7 downto 0); -- comment 5
    output           :  out std_logic;                    -- comment 6
    output_very_long :  out std_logic                     -- comment 7
  );
end hdl_exemple;