Commit: runtime(filetype): Improve Verilog detection by checking for modules definition

[Christian Brabandt]

runtime(filetype): Improve Verilog detection by checking for modules definition

Commit: https://github.com/vim/vim/commit/99181205c5f8284a30f839107a12932924168f17
Author: Christian Brabandt <c...@256bit.org>
Date: Sat Jan 25 14:54:28 2025 +0100

runtime(filetype): Improve Verilog detection by checking for modules definition

While at it, also increase the maximum number of lines to check to 500.

fixes: #16513

Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
index 5bbf8ee25..819f51f57 100644
--- a/runtime/autoload/dist/ft.vim
+++ b/runtime/autoload/dist/ft.vim
@@ -3,7 +3,7 @@ vim9script
# Vim functions for file type detection
#
# Maintainer: The Vim Project <https://github.com/vim/vim>
-# Last Change: 2025 Jan 11
+# Last Change: 2025 Jan 25
# Former Maintainer: Bram Moolenaar <Br...@vim.org>

# These functions are moved here from runtime/filetype.vim to make startup
@@ -1384,7 +1384,7 @@ export def FTdsp()
setf faust
enddef

-# Set the filetype of a *.v file to Verilog, V or Cog based on the first 200
+# Set the filetype of a *.v file to Verilog, V or Cog based on the first 500
# lines.
export def FTv()
if did_filetype()
@@ -1397,7 +1397,7 @@ export def FTv()
endif

var in_comment = 0
- for lnum in range(1, min([line("$"), 200]))
+ for lnum in range(1, min([line("$"), 500]))
var line = getline(lnum)
# Skip Verilog and V comments (lines and blocks).
if line =~ '^\s*/\*'
@@ -1429,7 +1429,8 @@ export def FTv()
# Verilog: line ends with ';' followed by an optional variable number of
# spaces and an optional start of a comment.
# Example: " b <= a + 1; // Add 1".
- if line =~ ';\s*\(/[/*].*\)\?$'
+ # Alternatively: a module is defined: " module MyModule"
+ if line =~ ';\s*\(/[/*].*\)\?$' || line =~ '\C^\s*module\>'
setf verilog
return
endif