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

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

fixes: #16513

Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
Christian Brabandt
2025-01-25 14:54:28 +01:00
parent 3acfbb4b54
commit 99181205c5
1 changed files with 5 additions and 4 deletions
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9
runtime/autoload/dist/ft.vim vendored
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@ -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 <Bram@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