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
|
local helpers = require('test.unit.helpers')(nil)
local eval_helpers = require('test.unit.eval.helpers')
local cimport = helpers.cimport
local to_cstr = helpers.to_cstr
local ffi = helpers.ffi
local list_type = eval_helpers.list_type
local dict_type = eval_helpers.dict_type
local func_type = eval_helpers.func_type
local nil_value = eval_helpers.nil_value
local int_type = eval_helpers.int_type
local flt_type = eval_helpers.flt_type
local type_key = eval_helpers.type_key
local api = cimport('./src/nvim/api/private/defs.h',
'./src/nvim/api/private/helpers.h',
'./src/nvim/memory.h')
local obj2lua
local obj2lua_tab = {
[tonumber(api.kObjectTypeArray)] = function(obj)
local ret = {[type_key]=list_type}
for i = 1,tonumber(obj.data.array.size) do
ret[i] = obj2lua(obj.data.array.items[i - 1])
end
if ret[1] then
ret[type_key] = nil
end
return ret
end,
[tonumber(api.kObjectTypeDictionary)] = function(obj)
local ret = {}
for i = 1,tonumber(obj.data.dictionary.size) do
local kv_pair = obj.data.dictionary.items[i - 1]
ret[ffi.string(kv_pair.key.data, kv_pair.key.size)] = obj2lua(kv_pair.value)
end
return ret
end,
[tonumber(api.kObjectTypeBoolean)] = function(obj)
if obj.data.boolean == false then
return false
else
return true
end
end,
[tonumber(api.kObjectTypeNil)] = function(_)
return nil_value
end,
[tonumber(api.kObjectTypeFloat)] = function(obj)
return tonumber(obj.data.floating)
end,
[tonumber(api.kObjectTypeInteger)] = function(obj)
return {[type_key]=int_type, value=tonumber(obj.data.integer)}
end,
[tonumber(api.kObjectTypeString)] = function(obj)
return ffi.string(obj.data.string.data, obj.data.string.size)
end,
}
obj2lua = function(obj)
return ((obj2lua_tab[tonumber(obj['type'])] or function(obj_inner)
assert(false, 'Converting ' .. tostring(tonumber(obj_inner['type'])) .. ' is not implementing yet')
end)(obj))
end
local obj = function(typ, data)
return ffi.gc(ffi.new('Object', {['type']=typ, data=data}),
api.api_free_object)
end
local lua2obj
local lua2obj_type_tab = {
[int_type] = function(l)
return obj(api.kObjectTypeInteger, {integer=l.value})
end,
[flt_type] = function(l)
return obj(api.kObjectTypeFloat, {floating=l})
end,
[list_type] = function(l)
local len = #l
local arr = obj(api.kObjectTypeArray, {array={
size=len,
capacity=len,
items=ffi.cast('Object *', api.xmalloc(len * ffi.sizeof('Object'))),
}})
for i = 1, len do
arr.data.array.items[i - 1] = ffi.gc(lua2obj(l[i]), nil)
end
return arr
end,
[dict_type] = function(l)
local kvs = {}
for k, v in pairs(l) do
if type(k) == 'string' then
kvs[#kvs + 1] = {k, v}
end
end
local len = #kvs
local dct = obj(api.kObjectTypeDictionary, {dictionary={
size=len,
capacity=len,
items=ffi.cast('KeyValuePair *',
api.xmalloc(len * ffi.sizeof('KeyValuePair'))),
}})
for i = 1, len do
local table_unpack = table.unpack or unpack -- luacheck: compat
local key, val = table_unpack(kvs[i])
dct.data.dictionary.items[i - 1] = ffi.new(
'KeyValuePair', {key=ffi.gc(lua2obj(key), nil).data.string,
value=ffi.gc(lua2obj(val), nil)})
end
return dct
end,
}
lua2obj = function(l)
if type(l) == 'table' then
if l[type_key] then
return lua2obj_type_tab[l[type_key]](l)
else
if l[1] then
return lua2obj_type_tab[list_type](l)
else
return lua2obj_type_tab[dict_type](l)
end
end
elseif type(l) == 'number' then
return lua2obj_type_tab[flt_type](l)
elseif type(l) == 'boolean' then
return obj(api.kObjectTypeBoolean, {boolean=l})
elseif type(l) == 'string' then
return obj(api.kObjectTypeString, {string={
size=#l,
data=api.xmemdupz(to_cstr(l), #l),
}})
elseif l == nil or l == nil_value then
return obj(api.kObjectTypeNil, {integer=0})
end
end
return {
list_type=list_type,
dict_type=dict_type,
func_type=func_type,
int_type=int_type,
flt_type=flt_type,
nil_value=nil_value,
type_key=type_key,
obj2lua=obj2lua,
lua2obj=lua2obj,
}
|
