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
|
local guide = require 'parser.guide'
local files = require 'files'
local vm = require 'vm'
local findSource = require 'core.find-source'
local function sortResults(results)
-- 先按照顺序排序
table.sort(results, function (a, b)
local u1 = guide.getUri(a.target)
local u2 = guide.getUri(b.target)
if u1 == u2 then
return a.target.start < b.target.start
else
return u1 < u2
end
end)
-- 如果2个结果处于嵌套状态，则取范围小的那个
local lf, lu
for i = #results, 1, -1 do
local res = results[i].target
local f = res.finish
local uri = guide.getUri(res)
if lf and f > lf and uri == lu then
table.remove(results, i)
else
lu = uri
lf = f
end
end
end
local accept = {
['local'] = true,
['setlocal'] = true,
['getlocal'] = true,
['label'] = true,
['goto'] = true,
['field'] = true,
['method'] = true,
['setindex'] = true,
['getindex'] = true,
['tableindex'] = true,
['setglobal'] = true,
['getglobal'] = true,
['function'] = true,
['...'] = true,
['doc.type.name'] = true,
['doc.class.name'] = true,
['doc.extends.name'] = true,
['doc.alias.name'] = true,
}
return function (uri, position)
local ast = files.getState(uri)
if not ast then
return nil
end
local source = findSource(ast, position, accept)
if not source then
return nil
end
local metaSource = vm.isMetaFile(uri)
local refs = vm.getRefs(source)
local results = {}
for _, src in ipairs(refs) do
if src.dummy then
goto CONTINUE
end
local root = guide.getRoot(src)
if not root then
goto CONTINUE
end
if not metaSource and vm.isMetaFile(root.uri) then
goto CONTINUE
end
src = src.field or src.method or src
if src.type == 'getindex'
or src.type == 'setindex'
or src.type == 'tableindex' then
src = src.index
if not src then
goto CONTINUE
end
if not guide.isLiteral(src) then
goto CONTINUE
end
else
if guide.isLiteral(src) and src.type ~= 'function' then
goto CONTINUE
end
end
if src.type == 'doc.class' then
src = src.class
end
if src.type == 'doc.alias' then
src = src.alias
end
if src.type == 'doc.class.name'
or src.type == 'doc.alias.name'
or src.type == 'doc.type.name'
or src.type == 'doc.extends.name' then
if source.type ~= 'doc.type.name'
and source.type ~= 'doc.class.name'
and source.type ~= 'doc.extends.name'
and source.type ~= 'doc.see.name' then
goto CONTINUE
end
end
if src.type == 'doc.generic.name' then
goto CONTINUE
end
if src.type == 'doc.param' then
goto CONTINUE
end
results[#results+1] = {
target = src,
uri = root.uri,
source = source,
}
::CONTINUE::
end
if #results == 0 then
return nil
end
sortResults(results)
return results
end
|
