vis-config

commit 99424e699d72060fc298d36a4a23a0538b27d360
parent 2ff10d1c88daad3d0b36660fb3be569a1b527688
Author: Jul <jul@9o.is>
Date:   Wed, 25 Feb 2026 19:53:09 +0800

save multiple ctag files including system libs

Diffstat:
M
lib/ctags.lua
 | 
105
+++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------------
M
visrc.lua
 | 
41
+++++++++++++++++++++++++++--------------

2 files changed, 100 insertions(+), 46 deletions(-)
diff --git a/lib/ctags.lua b/lib/ctags.lua
@@ -1,16 +1,22 @@
 local M = {
-	file = './tags',
+	file = '.tags',
+	path = '.',
 	flags = '-R',
 }
 
-local function generate_tags(win)
-	if not win.ctags then
-		vis:info('ctags not enabled')
+local function generate_tags(win, file)
+	local tags = win.tags[file]
+
+	if not tags then
 		return
 	end
 
-	local fd = io.popen(string.format('ctags %s -n -f %s', M.flags, M.file))
-    fd:close()
+	local fd = io.popen(string.format('ctags %s -n -f %s %s', tags.flags, file, tags.path))
+	local success, msg = fd:close()
+
+	if not success then
+		vis:info(string.format('Error: %s', msg))
+	end
 end
 
 local tagstack = {}
@@ -22,6 +28,11 @@ vis:option_register('ctags', 'bool', function(value, toggle)
 	win.ctags = toggle and not win.ctags or value
 
 	if win.ctags then
+		if not win.tags then
+			win.tags = {}
+			M.add(win, M.file)
+		end
+
 		win:map(vis.modes.NORMAL, '<C-t>', function()
 			vis:command('tag-back')
 		end)
@@ -35,50 +46,64 @@ vis:option_register('ctags', 'bool', function(value, toggle)
 			local tag = win.file:content(win.selection.range)
 			vis:command('tag ' .. tag)
 		end)
-
-		local f = io.open(M.file, 'r')
-		if not f then
-			generate_tags(win)
-		else
-			f:close()
-		end
 	end
 
 	return true
 end, 'Enables ctags')
 
-vis:option_register('ctags-autosave', 'bool', function(value, toggle)
-	if not vis.win then return false end
-	vis.win.ctags_autosave = toggle and not vis.win.ctags_autosave or value
-	return true
-end, 'Enables ctags autosaving')
+vis:command_register('tag-generate', function(argv, _, win)
+	local file = argv[1]
+
+	if not win.ctags then
+		vis:info('tag: disabled')
+		return
+	end
+
+	if not win.tags then
+		vis:info('tag-generate: tags not configured')
+		return
+	end
+
+	if file and not win.tags[file] then
+		vis:info('tag-generate: tags file not configured')
+		return
+	end
 
-vis:command_register('tag-generate', function(_, _, win)
-	generate_tags(win)
+	for f in pairs(win.tags) do
+		if not file or (file and file == f) then
+			generate_tags(win, f)
+		end
+	end
 end, 'Generate ctags file')
 
 vis:command_register('tag', function(argv, _, win)
+	local tag = argv[1]
+
 	if not win.ctags then
-		vis:info('ctags not enabled')
+		vis:info('tag: disabled')
 		return
 	end
 
-	local tag = argv[1]
+	if not win.tags then
+		vis:info('tag: tags not configured')
+		return
+	end
 
 	if not tag or tag == '' then
 		vis:info('tag: missing argument')
 		return false
 	end
 
-	local file = io.popen(string.format('readtags -t %s - %s', M.file, tag))
-	local line = file:read()
-    local success, msg, status = file:close()
-
-	if not success then
-		vis:info(string.format('tag failed: [status %s] %s', status, msg))
-		return false
+	local files = ''
+	for file in pairs(win.tags) do
+		files = files .. ' ' .. file
 	end
 
+	local fd = io.popen(string.format(
+		"sh -c 'cat %s 2>/dev/null | grep -v \'^!_\' | readtags -t - - %s'", files, tag))
+	local line = fd:read()
+	fd:close()
+
 	if not line or line == '' then
 		vis:info('tag: nothing found')
 		return false
@@ -89,7 +114,7 @@ vis:command_register('tag', function(argv, _, win)
 		line = win.selection.line,
 		col = win.selection.col,
 	}
-	
+
 	local file, lineno = line:match('^[^%s]+%s+([^%s]+)%s+(%d+)') 
 
 	if not vis:command(string.format('e %s', file)) then
@@ -119,7 +144,23 @@ vis:command_register('tag-back', function()
 end, 'Go back in tag stack')
 
 vis.events.subscribe(vis.events.FILE_SAVE_POST, function()
-	if vis.win.ctags and vis.win.ctags_autosave then
-		generate_tags(vis.win)
+	if not vis.win.ctags then
+		return
+	end
+
+	for file, prefs in pairs(vis.win.tags) do
+		if prefs.autosave then
+			generate_tags(vis.win, file)
+		end
 	end
 end)
+
+M.add = function(win, file, prefs)
+	if not prefs       then prefs = {} end
+	if not prefs.path  then prefs.path  = M.path end
+	if not prefs.file  then prefs.file  = M.file end
+	if not prefs.flags then prefs.flags = M.flags end
+	win.tags[file] = prefs
+end
+
+return M
diff --git a/visrc.lua b/visrc.lua
@@ -4,12 +4,13 @@ require('plugins/surround')
 require('plugins/modelines')
 require('lib/window-manager')
 require('lib/status')
-require('lib/ctags')
 require('lib/session')
 require('lib/router')
 require('lib/search')
 require('lib/utils')
 
+local ctags = require('lib/ctags')
+
 local lspc = require('plugins/vis-lspc')
 lspc.enabled = true
 lspc.autostart = false
@@ -83,20 +84,32 @@ end)
 
 settings = {
 	c = function(win)
-		if not start_lspc(lspc, 'clangd') then
-			vis:command('set ctags on')
-			vis:command('set ctags-autosave on')
-
-			mapwin(win, {m.NORMAL, m.VISUAL}, 'K', function()
-				local sec = vis.count
-				local name = content(vis.win)
-				vis.count = nil
-
-				if runq(string.format('whatis %s %s', sec and '-s '..sec or '', name)) then
-					vis:command(string.format('terminal man %s %s', sec or '', name))
-				end
-			end, 'Man')
+		if start_lspc(lspc, 'clangd') then
+			return
 		end
+
+		vis:command('set ctags on')
+
+		ctags.add(win, '.tags', {
+			path = '.',
+			flags = '-R --extras=+q-F --fields=+SzK --languages=c,c++',
+			autosave = true,
+		})
+
+		ctags.add(win, '.tags.system', {
+			path = '/usr/include',
+			flags = '-R --extras=+q-F --fields=+SzK --languages=c,c++',
+		})
+
+		mapwin(win, {m.NORMAL, m.VISUAL}, 'K', function()
+			local sec = vis.count
+			local name = content(vis.win)
+			vis.count = nil
+
+			if runq(string.format('whatis %s %s', sec and '-s '..sec or '', name)) then
+				vis:command(string.format('terminal man %s %s', sec or '', name))
+			end
+		end, 'Man')
 	end,
 }