Repository navigation
Expand file tree
/
Copy pathNumber.lua
More file actions
325 lines (274 loc) · 6.87 KB
/
Copy pathNumber.lua
File metadata and controls
325 lines (274 loc) · 6.87 KB
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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
--[[
Copyright 2017 YANG Huan ([email protected]).
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
--]]
local System = System
local throw = System.throw
local define = System.defStc
local equals = System.equals
local zeroFn = System.zeroFn
local identityFn = System.identityFn
local IComparable = System.IComparable
local IComparable_1 = System.IComparable_1
local IEquatable_1 = System.IEquatable_1
local IConvertible = System.IConvertible
local IFormattable = System.IFormattable
local ArgumentException = System.ArgumentException
local ArgumentNullException = System.ArgumentNullException
local FormatException = System.FormatException
local OverflowException = System.OverflowException
local type = type
local tonumber = tonumber
local floor = math.floor
local setmetatable = setmetatable
local function compareInt(this, v)
if this < v then return -1 end
if this > v then return 1 end
return 0
end
local function inherits(_, T)
return { IComparable, IComparable_1(T), IEquatable_1(T), IConvertible, IFormattable }
end
local Int = define("System.Int", {
__inherits__ = inherits,
default = zeroFn,
CompareTo = compareInt,
Equals = equals,
GetHashCode = identityFn,
CompareToObj = function (this, v)
if v == null then return 1 end
if type(v) ~= "number" then
throw(ArgumentException("Arg_MustBeInt"))
end
return compareInt(this, v)
end,
EqualsObj = function (this, v)
if type(v) ~= "number" then
return false
end
return this == v
end
})
Int.__call = zeroFn
local function parseInt(s, min, max)
if s == nil then
return nil, 1
end
local v = tonumber(s)
if v == nil or v ~= floor(v) then
return nil, 2
end
if v < min or v > max then
return nil, 3
end
return v
end
local function tryParseInt(s, min, max)
local v = parseInt(s, min, max)
if v then
return true, v
end
return false, 0
end
local function parseIntWithException(s, min, max)
local v, err = parseInt(s, min, max)
if v then
return v
end
if err == 1 then
throw(ArgumentNullException())
elseif err == 2 then
throw(FormatException())
else
throw(OverflowException())
end
end
local SByte = define("System.SByte", {
Parse = function (s)
return parseIntWithException(s, -128, 127)
end,
TryParse = function (s)
return tryParseInt(s, -128, 127)
end
})
setmetatable(SByte, Int)
local Byte = define("System.Byte", {
Parse = function (s)
return parseIntWithException(s, 0, 255)
end,
TryParse = function (s)
return tryParseInt(s, 0, 255)
end
})
setmetatable(Byte, Int)
local Int16 = define("System.Int16", {
Parse = function (s)
return parseIntWithException(s, -32768, 32767)
end,
TryParse = function (s)
return tryParseInt(s, -32768, 32767)
end
})
setmetatable(Int16, Int)
local UInt16 = define("System.UInt16", {
Parse = function (s)
return parseIntWithException(s, 0, 65535)
end,
TryParse = function (s)
return tryParseInt(s, 0, 65535)
end
})
setmetatable(UInt16, Int)
local Int32 = define("System.Int32", {
Parse = function (s)
return parseIntWithException(s, -2147483648, 2147483647)
end,
TryParse = function (s)
return tryParseInt(s, -2147483648, 2147483647)
end
})
setmetatable(Int32, Int)
local UInt32 = define("System.UInt32", {
Parse = function (s)
return parseIntWithException(s, 0, 4294967295)
end,
TryParse = function (s)
return tryParseInt(s, 0, 4294967295)
end
})
setmetatable(UInt32, Int)
local Int64 = define("System.Int64", {
Parse = function (s)
return parseIntWithException(s, -9223372036854775808, 9223372036854775807)
end,
TryParse = function (s)
return tryParseInt(s, -9223372036854775808, 9223372036854775807)
end
})
setmetatable(Int64, Int)
local UInt64 = define("System.UInt64", {
Parse = function (s)
return parseIntWithException(s, 0, 18446744073709551615)
end,
TryParse = function (s)
return tryParseInt(s, 0, 18446744073709551615)
end
})
setmetatable(UInt64, Int)
local nan = 0 / 0
local posInf = 1 / 0
local negInf = - 1 / 0
local nanHashCode = {}
--http://lua-users.org/wiki/InfAndNanComparisons
local function isNaN(v)
return v ~= v
end
local function compareDouble(this, v)
if this < v then return -1 end
if this > v then return 1 end
if this == v then return 0 end
if isNaN(this) then
return isNaN(v) and 0 or -1
else
return 1
end
end
local function equalsDouble(this, v)
if this == v then return true end
return isNaN(this) and isNaN(v)
end
local Number = define("System.Number", {
__inherits__ = inherits,
default = zeroFn,
CompareTo = compareDouble,
Equals = equalsDouble,
ToString = tostring,
NaN = nan,
IsNaN = isNaN,
NegativeInfinity = negInf,
PositiveInfinity = posInf,
CompareToObj = function (this, v)
if v == nil then return 1 end
if type(v) ~= "number" then
throw(ArgumentException("Arg_MustBeNumber"))
end
return compareDouble(this, v)
end,
EqualsObj = function (this, v)
if type(v) ~= "number" then
return false
end
return equalsDouble(this, v)
end,
GetHashCode = function (this)
return isNaN(this) and nanHashCode or this
end,
IsInfinity = function (v)
return v == posInf or v == negInf
end,
IsNegativeInfinity = function (v)
return v == negInf
end,
IsPositiveInfinity = function (v)
return v == posInf
end
})
Number.__call = zeroFn
debug.setmetatable(0, Number)
local function parseDouble(s)
if s == nil then
return nil, 1
end
local v = tonumber(s)
if v == nil then
return nil, 2
end
return v
end
local function parseDoubleWithException(s)
local v, err = parseDouble(s)
if v then
return v
end
if err == 1 then
throw(ArgumentNullException())
else
throw(FormatException())
end
end
local Single = define("System.Single", {
Parse = function (s)
local v = parseDoubleWithException(s)
if v < -3.40282347E+38 or v > 3.40282347E+38 then
throw(OverflowException())
end
return v
end,
TryParse = function (s)
local v = parseDouble(s)
if v and v >= -3.40282347E+38 and v < 3.40282347E+38 then
return true, v
end
return false, 0
end
})
setmetatable(Single, Number)
local Double = define("System.Double", {
Parse = parseDoubleWithException,
TryParse = function (s)
local v = parseDouble(s)
if v then
return true, v
end
return false, 0
end
})
setmetatable(Double, Number)