blob: 53a0596d078311d0ba5fee48a3b12a73a2d7f026 (
plain)
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
|
local guide = require 'parser.guide'
local util = require 'utility'
local files = require 'files'
local setmetatable = setmetatable
local assert = assert
local require = require
local type = type
local running = coroutine.running
local ipairs = ipairs
_ENV = nil
---@class vm
local m = {}
function m.lock(tp, source)
local co = running()
local master = m.locked[co]
if not master then
master = {}
m.locked[co] = master
end
if not master[tp] then
master[tp] = {}
end
if master[tp][source] then
return nil
end
master[tp][source] = true
return function ()
master[tp][source] = nil
end
end
function m.isSet(src)
local tp = src.type
if tp == 'setglobal'
or tp == 'local'
or tp == 'setlocal'
or tp == 'setfield'
or tp == 'setmethod'
or tp == 'setindex'
or tp == 'tablefield'
or tp == 'tableindex' then
return true
end
if tp == 'call' then
local special = m.getSpecial(src.node)
if special == 'rawset' then
return true
end
end
return false
end
function m.isGet(src)
local tp = src.type
if tp == 'getglobal'
or tp == 'getlocal'
or tp == 'getfield'
or tp == 'getmethod'
or tp == 'getindex' then
return true
end
if tp == 'call' then
local special = m.getSpecial(src.node)
if special == 'rawget' then
return true
end
end
return false
end
function m.getArgInfo(source)
local callargs = source.parent
if not callargs or callargs.type ~= 'callargs' then
return nil
end
local call = callargs.parent
if not call or call.type ~= 'call' then
return nil
end
for i = 1, #callargs do
if callargs[i] == source then
return call.node, i
end
end
return nil
end
function m.getSpecial(source)
if not source then
return nil
end
return source.special
end
function m.getKeyName(source)
if not source then
return nil
end
if source.type == 'library' then
return 's|' .. source.name
end
if source.type == 'call' then
local special = m.getSpecial(source.node)
if special == 'rawset'
or special == 'rawget' then
return guide.getKeyName(source.args[2])
end
end
return guide.getKeyName(source)
end
function m.mergeResults(a, b)
for _, r in ipairs(b) do
if not a[r] then
a[r] = true
a[#a+1] = r
end
end
return a
end
m.cacheTracker = setmetatable({}, { __mode = 'kv' })
function m.flushCache()
if m.cache then
m.cache.dead = true
end
m.cacheVersion = files.globalVersion
m.cache = {}
m.locked = setmetatable({}, { __mode = 'k' })
m.cacheTracker[m.cache] = true
end
function m.getCache(name)
if m.cacheVersion ~= files.globalVersion then
m.flushCache()
end
if not m.cache[name] then
m.cache[name] = {}
end
return m.cache[name]
end
return m
|
