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
|
local luaassert = require('luassert')
local M = {}
local SUBTBL = {
'\\000',
'\\001',
'\\002',
'\\003',
'\\004',
'\\005',
'\\006',
'\\007',
'\\008',
'\\t',
'\\n',
'\\011',
'\\012',
'\\r',
'\\014',
'\\015',
'\\016',
'\\017',
'\\018',
'\\019',
'\\020',
'\\021',
'\\022',
'\\023',
'\\024',
'\\025',
'\\026',
'\\027',
'\\028',
'\\029',
'\\030',
'\\031',
}
--- @param v any
--- @return string
local function format_float(v)
-- On windows exponent appears to have three digits and not two
local ret = ('%.6e'):format(v)
local l, f, es, e = ret:match('^(%-?%d)%.(%d+)e([+%-])0*(%d%d+)$')
return l .. '.' .. f .. 'e' .. es .. e
end
-- Formats Lua value `v`.
--
-- TODO(justinmk): redundant with vim.inspect() ?
--
-- "Nice table formatting similar to screen:snapshot_util()".
-- Commit: 520c0b91a528
function M.format_luav(v, indent, opts)
opts = opts or {}
local linesep = '\n'
local next_indent_arg = nil
local indent_shift = opts.indent_shift or ' '
local next_indent
local nl = '\n'
if indent == nil then
indent = ''
linesep = ''
next_indent = ''
nl = ' '
else
next_indent_arg = indent .. indent_shift
next_indent = indent .. indent_shift
end
local ret = ''
if type(v) == 'string' then
if opts.literal_strings then
ret = v
else
local quote = opts.dquote_strings and '"' or "'"
ret = quote
.. tostring(v)
:gsub(opts.dquote_strings and '["\\]' or "['\\]", '\\%0')
:gsub('[%z\1-\31]', function(match)
return SUBTBL[match:byte() + 1]
end)
.. quote
end
elseif type(v) == 'table' then
if v == vim.NIL then
ret = 'REMOVE_THIS'
else
local processed_keys = {}
ret = '{' .. linesep
local non_empty = false
local format_luav = M.format_luav
for i, subv in ipairs(v) do
ret = ('%s%s%s,%s'):format(ret, next_indent, format_luav(subv, next_indent_arg, opts), nl)
processed_keys[i] = true
non_empty = true
end
for k, subv in pairs(v) do
if not processed_keys[k] then
if type(k) == 'string' and k:match('^[a-zA-Z_][a-zA-Z0-9_]*$') then
ret = ret .. next_indent .. k .. ' = '
else
ret = ('%s%s[%s] = '):format(ret, next_indent, format_luav(k, nil, opts))
end
ret = ret .. format_luav(subv, next_indent_arg, opts) .. ',' .. nl
non_empty = true
end
end
if nl == ' ' and non_empty then
ret = ret:sub(1, -3)
end
ret = ret .. indent .. '}'
end
elseif type(v) == 'number' then
if v % 1 == 0 then
ret = ('%d'):format(v)
else
ret = format_float(v)
end
elseif type(v) == 'nil' then
ret = 'nil'
elseif type(v) == 'boolean' then
ret = (v and 'true' or 'false')
else
print(type(v))
-- Not implemented yet
luaassert(false)
end
return ret
end
-- Like Python repr(), "{!r}".format(s)
--
-- Commit: 520c0b91a528
function M.format_string(fmt, ...)
local i = 0
local args = { ... }
local function getarg()
i = i + 1
return args[i]
end
local ret = fmt:gsub('%%[0-9*]*%.?[0-9*]*[cdEefgGiouXxqsr%%]', function(match)
local subfmt = match:gsub('%*', function()
return tostring(getarg())
end)
local arg = nil
if subfmt:sub(-1) ~= '%' then
arg = getarg()
end
if subfmt:sub(-1) == 'r' or subfmt:sub(-1) == 'q' then
-- %r is like built-in %q, but it is supposed to single-quote strings and
-- not double-quote them, and also work not only for strings.
-- Builtin %q is replaced here as it gives invalid and inconsistent with
-- luajit results for e.g. "\e" on lua: luajit transforms that into `\27`,
-- lua leaves as-is.
arg = M.format_luav(arg, nil, { dquote_strings = (subfmt:sub(-1) == 'q') })
subfmt = subfmt:sub(1, -2) .. 's'
end
if subfmt == '%e' then
return format_float(arg)
else
return subfmt:format(arg)
end
end)
return ret
end
return M
|
