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 repr
repr = require('utils').repr
local insert, remove, concat
do
local _obj_0 = table
insert, remove, concat = _obj_0.insert, _obj_0.remove, _obj_0.concat
end
local Source
Source = require("code_obj").Source
local unpack = unpack or table.unpack
local AST = { }
AST.is_syntax_tree = function(n, t)
if t == nil then
t = nil
end
return type(n) == 'table' and getmetatable(n) and AST[n.type] == getmetatable(n) and (t == nil or n.type == t)
end
local types = {
"Number",
"Var",
"Block",
"EscapedNomsu",
"Text",
"List",
"Dict",
"DictEntry",
"IndexChain",
"Action",
"FileChunks"
}
for _index_0 = 1, #types do
local name = types[_index_0]
local cls = { }
do
cls.__class = cls
cls.__index = cls
cls.__name = name
cls.type = name
cls.is_instance = function(self, x)
return getmetatable(x) == self
end
cls.__tostring = function(self)
return tostring(self.type) .. "(" .. tostring(repr(tostring(self.source))) .. ", " .. tostring(concat((function()
local _accum_0 = { }
local _len_0 = 1
for _index_1 = 1, #self do
local v = self[_index_1]
_accum_0[_len_0] = repr(v)
_len_0 = _len_0 + 1
end
return _accum_0
end)(), ', ')) .. ")"
end
cls.map = function(self, fn)
do
local replacement = fn(self)
if replacement then
return replacement
end
end
local replacements
do
local _accum_0 = { }
local _len_0 = 1
for _index_1 = 1, #self do
local v = self[_index_1]
_accum_0[_len_0] = AST.is_syntax_tree(v) and v:map(fn) or nil
_len_0 = _len_0 + 1
end
replacements = _accum_0
end
if not (next(replacements)) then
return self
end
return (self.__class)(self.source, unpack((function()
local _accum_0 = { }
local _len_0 = 1
for i, v in ipairs(self) do
_accum_0[_len_0] = replacements[i] or v
_len_0 = _len_0 + 1
end
return _accum_0
end)()))
end
end
AST[name] = setmetatable(cls, {
__tostring = function(self)
return self.name
end,
__call = function(self, source, ...)
if type(source) == 'string' then
source = Source:from_string(source)
end
for i = 1, select('#', ...) do
assert(select(i, ...))
end
assert(Source:is_instance(source))
local inst = {
source = source,
...
}
setmetatable(inst, self)
if inst.__init then
inst:__init()
end
return inst
end
})
end
AST.Action.__init = function(self)
local stub_bits
do
local _accum_0 = { }
local _len_0 = 1
for _index_0 = 1, #self do
local a = self[_index_0]
_accum_0[_len_0] = type(a) == 'string' and a or '%'
_len_0 = _len_0 + 1
end
stub_bits = _accum_0
end
self.stub = concat(stub_bits, " ")
end
AST.Action.get_args = function(self)
local _accum_0 = { }
local _len_0 = 1
for _index_0 = 1, #self do
local tok = self[_index_0]
if type(tok) ~= 'string' then
_accum_0[_len_0] = tok
_len_0 = _len_0 + 1
end
end
return _accum_0
end
return AST
|
