bug#63251: 28.2; vhdl-mode contribution

[Eli Zaretskii <eliz@gnu.org>]

> From: Cyril Arnould <cyril.arnould@outlook.com>
> Date: Wed, 3 May 2023 19:40:18 +0000
> 
> Following bug#62508, I've taken a bit of a closer look at the compiler
> regexp for ModelSim. I've modified it so that it can differentiate
> between Errors, Warnings and Notes when highlighting. I also make use of
> Xilinx Vivado at work, for which I've added a new compiler entry:
> 
> 
> --- a/lisp/progmodes/vhdl-mode.el
> +++ b/lisp/progmodes/vhdl-mode.el
> @@ -286,7 +286,7 @@ vhdl-compiler-alist
>      ;;    counter_rtl.vhd(29):Conditional signal assignment line__29
>      ("ModelSim" "vcom" "-93 -work \\1" "make" "-f \\1"
>       nil "vlib \\1; vmap \\2 \\1" "./" "work/" "Makefile" "modelsim"
> -     ("^\\(ERROR\\|WARNING\\|\\*\\* Error\\|\\*\\* Warning\\)[^:]*:\\( *\\[[0-9]+]\\| ([^)]+)\\)? \\([^ \t\n]+\\)(\\([0-9]+\\)):" 3 4 nil)
> +     ("^\\(?:\\(?1:ERROR\\|\\*\\* Error\\)\\|\\(?2:WARNING\\|\\*\\* Warning\\)\\|\\(?3:NOTE\\|\\*\\* Note\\)\\)[^:]*:\\( *\\[[0-9]+]\\| ([^)]+)\\)? \\(?4:[^ \t\n]+\\)(\\(?5:[0-9]+\\)):" 4 5 nil (2 . 3))
>       ("" 0)
>       ("\\1/_primary.dat" "\\2/\\1.dat" "\\1/_primary.dat"
>        "\\1/_primary.dat" "\\1/body.dat" downcase))
> @@ -385,6 +385,13 @@ vhdl-compiler-alist
>       nil "mkdir \\1" "./" "work/" "Makefile" "xilinx"
>       ("^ERROR:HDLParsers:[0-9]+ - \"\\([^ \t\n]+\\)\" Line \\([0-9]+\\)\\." 1 2 nil) ("" 0)
>       nil)
> +    ;; Xilinx Vivado:
> +    ;; ERROR: [VRFC 10-1412] syntax error near o_idle [test.vhd:23]
> +    ("Xilinx Vivado" "xvhdl" "" "make" "-f \\1"
> +     nil "mkdir \\1" "./" "work" "Makefile" "vivado"
> +     ("^\\(?:\\(?1:ERROR\\)\\|\\(?2:WARNING\\)\\|\\(?3:INFO\\)\\): \\(.+\\) \\[\\(?4:[^ \t\n]+\\):\\(?5:[0-9]+\\)\\]" 4 5 nil (2 . 3)) ("" 0)
> +     ("\\1/entity" "\\2/\\1" "\\1/configuration"
> +      "\\1/package" "\\1/body" downcase))
>      )
>    "List of available VHDL compilers and their properties.
> Each list entry specifies the following items for a compiler:
> 
> 
> The patch was generated from the emacs master branch. I would greatly
> appreciate it if these changes could find their way in some form into a
> future emacs release.

Reto, any comments on these changes?

Thanks.