This repository was archived by the owner on Nov 30, 2025. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 10
Expand file tree
/
Copy pathlog.lua
More file actions
171 lines (139 loc) · 3.74 KB
/
log.lua
File metadata and controls
171 lines (139 loc) · 3.74 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
--[[
--FROM: https://github.com/tjdevries/vlog.nvim
--]]
-- log.lua
--
-- Inspired by rxi/log.lua
-- Modified by tjdevries and can be found at github.com/tjdevries/vlog.nvim
--
-- This library is free software; you can redistribute it and/or modify it
-- under the terms of the MIT license. See LICENSE for details.
-- User configuration section
local default_config = {
-- Name of the plugin. Prepended to log messages
plugin = 'nvim-java-core',
-- Should print the output to neovim while running
use_console = false,
-- Should highlighting be used in console (using echohl)
highlights = true,
-- Should write to a file
use_file = true,
-- Any messages above this level will be logged.
level = 'trace',
-- Level configuration
modes = {
{ name = 'trace', hl = 'Comment' },
{ name = 'debug', hl = 'Comment' },
{ name = 'info', hl = 'None' },
{ name = 'warn', hl = 'WarningMsg' },
{ name = 'error', hl = 'ErrorMsg' },
{ name = 'fatal', hl = 'ErrorMsg' },
},
-- Can limit the number of decimals displayed for floats
float_precision = 0.01,
}
-- {{{ NO NEED TO CHANGE
local log = {}
local unpack = unpack or table.unpack
log.new = function(config, standalone)
config = vim.tbl_deep_extend('force', default_config, config)
local outfile = string.format(
'%s/%s.log',
vim.api.nvim_call_function('stdpath', { 'data' }),
config.plugin
)
local obj
if standalone then
obj = log
else
obj = {}
end
local levels = {}
for i, v in ipairs(config.modes) do
levels[v.name] = i
end
local round = function(x, increment)
increment = increment or 1
x = x / increment
return (x > 0 and math.floor(x + 0.5) or math.ceil(x - 0.5)) * increment
end
local make_string = function(...)
local t = {}
for i = 1, select('#', ...) do
local x = select(i, ...)
if type(x) == 'number' and config.float_precision then
x = tostring(round(x, config.float_precision))
elseif type(x) == 'table' then
x = vim.inspect(x)
else
x = tostring(x)
end
t[#t + 1] = x
end
return table.concat(t, ' ')
end
local log_at_level = function(level, level_config, message_maker, ...)
-- Return early if we're below the config.level
if level < levels[config.level] then
return
end
local nameupper = level_config.name:upper()
local msg = message_maker(...)
local info = debug.getinfo(2, 'Sl')
local lineinfo = info.short_src .. ':' .. info.currentline
-- Output to console
if config.use_console then
local console_string = string.format(
'[%-6s%s] %s: %s',
nameupper,
os.date('%H:%M:%S'),
lineinfo,
msg
)
if config.highlights and level_config.hl then
vim.cmd(string.format('echohl %s', level_config.hl))
end
local split_console = vim.split(console_string, '\n')
for _, v in ipairs(split_console) do
vim.cmd(
string.format(
[[echom "[%s] %s"]],
config.plugin,
vim.fn.escape(v, '"')
)
)
end
if config.highlights and level_config.hl then
vim.cmd('echohl NONE')
end
end
-- Output to log file
if config.use_file then
local fp = io.open(outfile, 'a')
local str =
string.format('[%-6s%s] %s: %s\n', nameupper, os.date(), lineinfo, msg)
assert(fp, 'cannot open file: ' .. ' to write logs')
fp:write(str)
fp:close()
end
end
for i, x in ipairs(config.modes) do
obj[x.name] = function(...)
return log_at_level(i, x, make_string, ...)
end
obj[('fmt_%s'):format(x.name)] = function(...)
local passed = { ... }
return log_at_level(i, x, function()
local fmt = table.remove(passed, 1)
local inspected = {}
for _, v in ipairs(passed) do
table.insert(inspected, vim.inspect(v))
end
return string.format(fmt, unpack(inspected))
end)
end
end
return obj
end
log.new(default_config, true)
return log