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 guide = require 'parser.guide'
local require = require
local tableUnpack = table.unpack
local setmetatable = setmetatable
_ENV = nil
---@class engineer
local mt = {}
mt.__index = mt
mt.type = 'engineer'
mt['local'] = require 'core.local'
mt['getlocal'] = require 'core.getlocal'
mt['setlocal'] = mt['getlocal']
mt['getglobal'] = require 'core.getglobal'
mt['setglobal'] = mt['getglobal']
mt['field'] = require 'core.field'
mt['method'] = require 'core.method'
mt['index'] = require 'core.index'
mt['number'] = require 'core.number'
mt['boolean'] = require 'core.boolean'
mt['string'] = require 'core.string'
mt['table'] = require 'core.table'
mt['select'] = require 'core.select'
function mt:getSpecialName(source)
if source.type == 'getglobal' then
local node = source.node
if node.tag ~= '_ENV' then
return
end
local name = guide.getKeyName(source)
if name:sub(1, 2) ~= 's|' then
return nil
end
return name:sub(3)
elseif source.type == 'local' then
if source.tag == '_ENV' then
return '_G'
end
return nil
elseif source.type == 'getlocal' then
local loc = source.loc
if loc.tag == '_ENV' then
return '_G'
end
end
end
function mt:eachSpecial(callback)
local env = guide.getENV(self.ast)
if not env then
return
end
local refs = env.ref
if not refs then
return
end
for i = 1, #refs do
local ref = refs[i]
if ref.type == 'getglobal' then
callback(ref[1], ref)
end
end
end
function mt:eachField(source, key, callback)
local tp = source.type
local d = mt[tp]
if not d then
return
end
local f = d.field
if not f then
return
end
local mark = {}
f(self, source, key, function (src, ...)
if mark[src] then
return
end
mark[src] = true
callback(src, ...)
end)
end
function mt:eachRef(source, callback)
local tp = source.type
local d = mt[tp]
if not d then
return
end
local f = d.ref
if not f then
return
end
local mark = {}
f(self, source, function (src, ...)
if mark[src] then
return
end
mark[src] = true
callback(src, ...)
end)
end
function mt:eachDef(source, callback)
local tp = source.type
local d = mt[tp]
if not d then
return
end
local f = d.def
if not f then
return
end
local mark = {}
f(self, source, function (src, ...)
if mark[src] then
return
end
mark[src] = true
callback(src, ...)
end)
end
function mt:eachValue(source, callback)
local tp = source.type
local d = mt[tp]
if not d then
return
end
local f = d.value
if not f then
return
end
local mark = {}
f(self, source, function (src, ...)
if mark[src] then
return
end
mark[src] = true
callback(src, ...)
end)
end
function mt:childDef(source, callback)
local tp = source.type
if tp == 'setfield' then
callback(source.field, 'set')
elseif tp == 'setmethod' then
callback(source.method, 'set')
elseif tp == 'setindex' then
callback(source.index, 'set')
end
end
function mt:childRef(source, callback)
local tp = source.type
if tp == 'setfield' then
callback(source.field, 'set')
elseif tp == 'setmethod' then
callback(source.method, 'set')
elseif tp == 'setindex' then
callback(source.index, 'set')
elseif tp == 'getfield' then
callback(source.field, 'get')
elseif tp == 'getmethod' then
callback(source.method, 'get')
elseif tp == 'getindex' then
callback(source.index, 'get')
end
end
function mt:callArgOf(source)
if not source or source.type ~= 'call' then
return
end
local args = source.args
if not args then
return
end
return tableUnpack(args)
end
return function (ast)
local self = setmetatable({
step = 0,
ast = ast.ast,
cache = {},
}, mt)
return self
end
|
