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
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
local files = require 'files'
local infer = require 'core.infer'
local vm = require 'vm'
local config = require 'config'
local guide = require 'parser.guide'
local await = require 'await'
local define = require 'proto.define'
local function typeHint(uri, results, start, finish)
local state = files.getState(uri)
if not state then
return
end
local mark = {}
guide.eachSourceBetween(state.ast, start, finish, function (source)
if source.type ~= 'local'
and source.type ~= 'setglobal'
and source.type ~= 'tablefield'
and source.type ~= 'tableindex'
and source.type ~= 'setfield'
and source.type ~= 'setindex' then
return
end
if source.dummy then
return
end
if source[1] == '_' then
return
end
if source.value and guide.isLiteral(source.value) then
return
end
if source.parent.type == 'funcargs' then
if not config.get 'Lua.hint.paramType' then
return
end
else
if not config.get 'Lua.hint.setType' then
return
end
end
await.delay()
local view = infer.searchAndViewInfers(source)
if view == 'any'
or view == 'nil' then
return
end
local src = source
if source.type == 'tablefield' then
src = source.field
elseif source.type == 'tableindex' then
src = source.index
end
if not src then
return
end
if mark[src] then
return
end
mark[src] = true
results[#results+1] = {
text = ':' .. view,
offset = src.finish,
kind = define.InlayHintKind.Type,
where = 'right',
}
end)
end
local function getArgNames(func)
if not func.args or #func.args == 0 then
return nil
end
local names = {}
for _, arg in ipairs(func.args) do
if arg.type == '...' then
break
end
names[#names+1] = arg[1] or ''
end
if #names == 0 then
return nil
end
return names
end
local function hasLiteralArgInCall(call)
if not call.args then
return false
end
for _, arg in ipairs(call.args) do
if guide.isLiteral(arg) then
return true
end
end
return false
end
local function paramName(uri, results, start, finish)
local paramConfig = config.get 'Lua.hint.paramName'
if not paramConfig or paramConfig == 'None' then
return
end
local state = files.getState(uri)
if not state then
return
end
local mark = {}
guide.eachSourceBetween(state.ast, start, finish, function (source)
if source.type ~= 'call' then
return
end
if paramConfig == 'Literal' and not hasLiteralArgInCall(source) then
return
end
if not source.args then
return
end
await.delay()
local defs = vm.getDefs(source.node)
if not defs then
return
end
local args
for _, def in ipairs(defs) do
if def.value then
def = def.value
end
if def.type == 'function' then
args = getArgNames(def)
if args then
break
end
end
end
if not args then
return
end
local firstIndex = 1
if source.node and source.node.type == 'getmethod' then
firstIndex = 2
end
for i = firstIndex, #source.args do
local arg = source.args[i]
if not mark[arg]
and (paramConfig ~= 'Literal' or guide.isLiteral(arg)) then
mark[arg] = true
if args[i] and args[i] ~= '' then
results[#results+1] = {
text = args[i] .. ':',
offset = arg.start,
kind = define.InlayHintKind.Parameter,
where = 'left',
}
end
end
end
end)
end
local function awaitHint(uri, results, start, finish)
local awaitConfig = config.get 'Lua.hint.await'
if not awaitConfig then
return
end
local state = files.getState(uri)
if not state then
return
end
guide.eachSourceBetween(state.ast, start, finish, function (source)
if source.type ~= 'call' then
return
end
await.delay()
local node = source.node
if not vm.isAsync(node, true) then
return
end
results[#results+1] = {
text = 'await ',
offset = node.start,
kind = define.InlayHintKind.Other,
where = 'left',
}
end)
end
return function (uri, start, finish)
local results = {}
typeHint(uri, results, start, finish)
paramName(uri, results, start, finish)
awaitHint(uri, results, start, finish)
return results
end
|
