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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
|
local findResult = require 'matcher.find_result'
local findLib = require 'matcher.find_lib'
local Cache = {}
local OoCache = {}
local function buildArgs(lib, oo)
if not lib.args then
return ''
end
local start
if oo then
start = 2
else
start = 1
end
local strs = {}
for i = start, #lib.args do
local arg = lib.args[i]
if arg.optional then
if i > start then
strs[#strs+1] = ' ['
else
strs[#strs+1] = '['
end
end
if i > start then
strs[#strs+1] = ', '
end
if arg.name then
strs[#strs+1] = ('%s: '):format(arg.name)
end
strs[#strs+1] = arg.type or 'any'
if arg.default then
strs[#strs+1] = ('(%q)'):format(arg.default)
end
if arg.optional == 'self' then
strs[#strs+1] = ']'
end
end
for _, arg in ipairs(lib.args) do
if arg.optional == 'after' then
strs[#strs+1] = ']'
end
end
return table.concat(strs)
end
local function buildReturns(lib)
if not lib.returns then
return ''
end
local strs = {}
for i, rtn in ipairs(lib.returns) do
if rtn.optional then
if i > 1 then
strs[#strs+1] = ' ['
else
strs[#strs+1] = '['
end
end
if i > 1 then
strs[#strs+1] = ', '
end
if rtn.name then
strs[#strs+1] = ('%s: '):format(rtn.name)
end
strs[#strs+1] = rtn.type or 'any'
if rtn.default then
strs[#strs+1] = ('(%q)'):format(rtn.default)
end
if rtn.optional == 'self' then
strs[#strs+1] = ']'
end
end
for _, rtn in ipairs(lib.returns) do
if rtn.optional == 'after' then
strs[#strs+1] = ']'
end
end
return '\n -> ' .. table.concat(strs)
end
local function buildEnum(lib)
if not lib.enums then
return ''
end
local container = table.container()
for _, enum in ipairs(lib.enums) do
if not enum.name or not enum.enum then
goto NEXT_ENUM
end
if not container[enum.name] then
container[enum.name] = {}
if lib.args then
for _, arg in ipairs(lib.args) do
if arg.name == enum.name then
container[enum.name].type = arg.type
break
end
end
end
end
table.insert(container[enum.name], enum)
::NEXT_ENUM::
end
local strs = {}
for name, enums in pairs(container) do
strs[#strs+1] = ('\n%s: %s'):format(name, enums.type or '')
for _, enum in ipairs(enums) do
if enum.default then
strs[#strs+1] = '\n -> '
else
strs[#strs+1] = '\n | '
end
strs[#strs+1] = ('%q -- %s'):format(enum.enum, enum.description or '')
end
end
return table.concat(strs)
end
local function buildFunctionHover(lib, fullKey, oo)
local title = ('function %s(%s)%s'):format(fullKey, buildArgs(lib, oo), buildReturns(lib))
local enum = buildEnum(lib)
local tip = lib.description or ''
return ([[
```lua
%s
```
%s
```lua
%s
```
]]):format(title, tip, enum)
end
local function buildField(lib)
if not lib.fields then
return ''
end
local strs = {}
for _, field in ipairs(lib.fields) do
strs[#strs+1] = ('\n%s: %s -- %s'):format(field.field, field.type, field.description or '')
end
return table.concat(strs)
end
local function buildTableHover(lib, fullKey)
local title = ('table %s'):format(fullKey)
local field = buildField(lib)
local tip = lib.description or ''
return ([[
```lua
%s
```
%s
```lua
%s
```
]]):format(title, tip, field)
end
local function getLibHover(lib, fullKey, oo)
local cache = oo and OoCache or Cache
if not cache[lib] then
if lib.type == 'function' then
cache[lib] = buildFunctionHover(lib, fullKey, oo) or ''
elseif lib.type == 'table' then
cache[lib] = buildTableHover(lib, fullKey) or ''
elseif lib.type == 'string' then
cache[lib] = lib.description or ''
else
cache[lib] = '*' .. lib.type
end
end
return cache[lib]
end
local function buildValueName(result, source)
local func = result.value
local declarat = func.declarat or source
if declarat then
local key
if declarat.type == 'name' then
key = declarat[1]
elseif declarat.type == 'string' then
key = ('%q'):format(declarat[1])
elseif declarat.type == 'number' or declarat.type == 'boolean' then
key = tostring(declarat[1])
else
key = '?'
end
if source.object then
return declarat.parentName .. ':' .. key
else
if declarat.parentName then
if declarat.index then
return declarat.parentName .. '[' .. key .. ']'
else
return declarat.parentName .. '.' .. key
end
else
return key
end
end
end
return result.key or ''
end
local function buildValueArgs(result, source)
local func = result.value
local names = {}
local values = {}
if func.args then
for i, arg in ipairs(func.args) do
if arg.type == '...' then
names[i] = '...'
else
names[i] = arg.key
end
end
end
if func.argValues then
for i, value in ipairs(func.argValues) do
values[i] = value.type
if values[i] == 'nil' then
values[i] = 'any'
end
end
end
local strs = {}
local start = 1
if source.object then
start = 2
end
for i = start, math.max(#names, #values) do
local name = names[i] or '?'
local value = values[i] or 'any'
strs[#strs+1] = name .. ': ' .. value
end
return table.concat(strs, ', ')
end
local function buildValueReturns(result)
local func = result.value
if not func.hasReturn then
return ''
end
local strs = {}
for i, rtn in ipairs(func.returns) do
strs[i] = rtn.type
if strs[i] == 'nil' then
strs[i] = 'any'
end
end
return '\n -> ' .. table.concat(strs, ', ')
end
local function buildValueFunctionHover(result, source)
local name = buildValueName(result, source)
local args = buildValueArgs(result, source)
local returns = buildValueReturns(result)
local title = ('function %s(%s)%s'):format(name, args, returns)
return ([[
```lua
%s
```
]]):format(title)
end
local function findClass(result)
-- 根据部分字段尝试找出自定义类型
local metatable = result.value.metatable
if not metatable or not metatable.child then
return nil
end
-- 查找meta表的 __name 字段
local name = metatable.child['__name']
-- 值必须是字符串
if name and name.value and type(name.value.value) == 'string' then
return '*' .. name.value.value
end
-- 查找meta表 __index 里的字段
local index = metatable.child['__index']
if index and index.value and index.value.child then
for key, field in pairs(index.value.child) do
-- 键值类型必须均为字符串
if type(key) ~= 'string' then
goto CONTINUE
end
if not field.value or type(field.value.value) ~= 'string' then
goto CONTINUE
end
local lKey = key:lower()
if lKey == 'type' or lKey == 'name' or lKey == 'class' then
-- 必须只有过一次赋值
local hasSet = false
for _, info in ipairs(field) do
if info.type == 'set' then
if hasSet then
goto CONTINUE
end
hasSet = true
end
end
return '*' .. field.value.value
end
::CONTINUE::
end
end
return nil
end
local function buildValueSimpleHover(result, source)
local valueType = result.value.type
if valueType == 'nil' then
valueType = 'any'
end
local class = findClass(result)
if class then
valueType = class
end
return ([[
```lua
%s
```
]]):format(valueType)
end
local function getValueHover(result, source)
if result.value.type == 'function' then
return buildValueFunctionHover(result, source)
else
return buildValueSimpleHover(result, source)
end
end
return function (vm, pos)
local result, source = findResult(vm, pos)
if not result then
return nil
end
if not result.value then
return
end
local lib, fullKey, oo = findLib(result)
if lib then
local hover = getLibHover(lib, fullKey, oo)
return hover
end
return getValueHover(result, source)
end
|