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Sep 5, 2014
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;(function($B){
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var _b_ = $B.builtins
Sep 5, 2014
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Mar 10, 2018
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function $err(op, other){
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var msg = "unsupported operand type(s) for " + op +
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" : 'int' and '" + $B.class_name(other) + "'"
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throw _b_.TypeError.$factory(msg)
Sep 5, 2014
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}
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function int_value(obj){
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// Instances of int subclasses that call int.__new__(cls, value)
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// have an attribute $brython_value set
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if(typeof obj == "boolean"){
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return obj ? 1 : 0
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}
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return obj.$brython_value !== undefined ? obj.$brython_value : obj
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// dictionary for built-in class 'int'
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var int = {
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__class__: _b_.type,
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__dir__: _b_.object.__dir__,
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$infos: {
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__module__: "builtins",
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__name__: "int"
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},
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$is_class: true,
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$native: true,
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$descriptors: {
Mar 10, 2018
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"numerator": true,
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"denominator": true,
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"imag": true,
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"real": true
Sep 5, 2014
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}
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int.as_integer_ratio = function(){
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var $ = $B.args("as_integer_ratio", 1, {self:null}, ["self"],
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arguments, {}, null, null)
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return $B.$list([$.self, 1])
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}
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int.from_bytes = function() {
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var $ = $B.args("from_bytes", 3,
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{bytes:null, byteorder:null, signed:null},
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["bytes", "byteorder", "signed"],
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arguments, {signed: false}, null, null)
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var x = $.bytes,
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byteorder = $.byteorder,
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signed = $.signed,
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_bytes, _len
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if(_b_.isinstance(x, [_b_.bytes, _b_.bytearray])){
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_bytes = x.source
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_len = x.source.length
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}else{
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_bytes = _b_.list.$factory(x)
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_len = _bytes.length
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for(var i = 0; i < _len; i++){
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_b_.bytes.$factory([_bytes[i]])
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}
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}
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if(byteorder == "big"){
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_bytes.reverse()
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}else if(byteorder != "little"){
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throw _b_.ValueError.$factory(
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"byteorder must be either 'little' or 'big'")
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}
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var num = _bytes[0]
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if(signed && num >= 128){
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num = num - 256
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}
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var _mult = 256
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for(var i = 1; i < _len; i++){
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num = $B.add($B.mul(_mult, _bytes[i]), num)
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_mult = $B.mul(_mult, 256)
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}
80
if(! signed){
81
return num
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}
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if(_bytes[_len - 1] < 128){
84
return num
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}
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return $B.sub(num, _mult)
Sep 5, 2014
87
}
88
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int.to_bytes = function(){
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var $ = $B.args("to_bytes", 3,
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{self: null, len: null, byteorder: null, signed: null},
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["self", "len", "byteorder", "*", "signed"],
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arguments, {signed: false}, null, null),
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self = $.self,
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len = $.len,
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byteorder = $.byteorder,
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signed = $.signed
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if(! _b_.isinstance(len, _b_.int)){
99
throw _b_.TypeError.$factory("integer argument expected, got " +
101
}
102
if(["little", "big"].indexOf(byteorder) == -1){
103
throw _b_.ValueError.$factory(
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"byteorder must be either 'little' or 'big'")
105
}
106
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if(_b_.isinstance(self, $B.long_int)){
108
return $B.long_int.to_bytes(self, len, byteorder, signed)
109
}
110
111
if(self < 0){
112
if(! signed){
113
throw _b_.OverflowError.$factory(
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"can't convert negative int to unsigned")
115
}
116
self = Math.pow(256, len) + self
117
}
118
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var res = [],
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value = self
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while(value > 0){
123
var quotient = Math.floor(value / 256),
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rest = value - 256 * quotient
125
res.push(rest)
126
if(res.length > len){
127
throw _b_.OverflowError.$factory("int too big to convert")
128
}
129
value = quotient
130
}
131
while(res.length < len){
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res.push(0)
133
}
134
if(byteorder == "big"){
135
res.reverse()
136
}
137
return {
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__class__: _b_.bytes,
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source: res
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}
Sep 5, 2014
141
}
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int.__abs__ = function(self){return _b_.abs(self)}
145
int.__add__ = function(self, other){
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self = int_value(self)
147
if(_b_.isinstance(other, int)){
148
if(other.__class__ == $B.long_int){
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return $B.long_int.__add__($B.long_int.$factory(self),
150
$B.long_int.$factory(other))
151
}
152
other = int_value(other)
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var res = self + other
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if(res > $B.min_int && res < $B.max_int){
155
return res
156
}else{
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return $B.long_int.__add__($B.long_int.$factory(self),
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$B.long_int.$factory(other))
159
}
160
}
161
return _b_.NotImplemented
162
}
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int.__bool__ = function(self){
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return int_value(self).valueOf() == 0 ? false : true
166
}
Sep 5, 2014
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168
int.__ceil__ = function(self){return Math.ceil(int_value(self))}
170
int.__divmod__ = function(self, other){
171
if(! _b_.isinstance(other, int)){
172
return _b_.NotImplemented
173
}
174
return $B.fast_tuple([int.__floordiv__(self, other),
175
int.__mod__(self, other)])
176
}
Mar 10, 2018
178
int.__eq__ = function(self, other){
Sep 5, 2014
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// compare object "self" to class "int"
180
if(_b_.isinstance(other, int)){
181
return self.valueOf() == int_value(other).valueOf()
182
}
183
if(_b_.isinstance(other, _b_.float)){
184
return self.valueOf() == other.valueOf()
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}
186
if(_b_.isinstance(other, _b_.complex)){
187
if(other.$imag != 0){return _b_.False}
Mar 10, 2018
188
return self.valueOf() == other.$real
Sep 5, 2014
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}
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return _b_.NotImplemented
Sep 5, 2014
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}
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int.__float__ = function(self){
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return new Number(self)
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}
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function preformat(self, fmt){
str
Feb 10, 2018
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if(fmt.empty){return _b_.str.$factory(self)}
Mar 10, 2018
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if(fmt.type && 'bcdoxXn'.indexOf(fmt.type) == -1){
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throw _b_.ValueError.$factory("Unknown format code '" + fmt.type +
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"' for object of type 'int'")
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}
204
switch(fmt.type){
205
case undefined:
Mar 10, 2018
206
case "d":
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res = self.toString()
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break
Mar 10, 2018
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case "b":
210
res = (fmt.alternate ? "0b" : "") + self.toString(2)
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break
Mar 10, 2018
212
case "c":
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res = _b_.chr(self)
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break
Mar 10, 2018
215
case "o":
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res = (fmt.alternate ? "0o" : "") + self.toString(8)
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break
Mar 10, 2018
218
case "x":
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res = (fmt.alternate ? "0x" : "") + self.toString(16)
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break
Mar 10, 2018
221
case "X":
222
res = (fmt.alternate ? "0X" : "") + self.toString(16).toUpperCase()
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break
Mar 10, 2018
224
case "n":
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return self // fix me
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}
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if(fmt.sign !== undefined){
229
if((fmt.sign == " " || fmt.sign == "+" ) && self >= 0){
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res = fmt.sign + res
231
}
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}
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return res
234
}
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236
Mar 10, 2018
237
int.__format__ = function(self, format_spec){
238
var fmt = new $B.parse_format_spec(format_spec)
Mar 10, 2018
239
if(fmt.type && 'eEfFgG%'.indexOf(fmt.type) != -1){
240
// Call __format__ on float(self)
241
return _b_.float.__format__(self, format_spec)
Mar 10, 2018
243
fmt.align = fmt.align || ">"
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var res = preformat(self, fmt)
245
if(fmt.comma){
Mar 10, 2018
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var sign = res[0] == "-" ? "-" : "",
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rest = res.substr(sign.length),
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len = rest.length,
249
nb = Math.ceil(rest.length/3),
250
chunks = []
Mar 10, 2018
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for(var i = 0; i < nb; i++){
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chunks.push(rest.substring(len - 3 * i - 3, len - 3 * i))
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}
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chunks.reverse()
Mar 10, 2018
255
res = sign + chunks.join(",")
256
}
257
return $B.format_width(res, fmt)
Sep 5, 2014
258
}
259
260
int.__floordiv__ = function(self, other){
261
if(other.__class__ === $B.long_int){
262
return $B.long_int.__floordiv__($B.long_int.$factory(self), other)
263
}
264
if(_b_.isinstance(other, int)){
266
if(other == 0){throw _b_.ZeroDivisionError.$factory("division by zero")}
Mar 10, 2018
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return Math.floor(self / other)
Sep 5, 2014
268
}
Sep 5, 2014
270
}
271
272
int.__hash__ = function(self){
273
if(self.$brython_value){
274
// int subclass
275
var hash_method = $B.$getattr(self.__class__, '__hash__')
276
if(hash_method === int.__hash__){
277
if(typeof self.$brython_value == "number"){
278
return self.$brython_value
279
}else{ // long int
280
return $B.long_int.__hash__(self.$brython_value)
281
}
282
}else{
283
return hash_method(self)
284
}
285
}
286
return self.valueOf()
Sep 5, 2014
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289
//int.__ior__ = function(self,other){return self | other} // bitwise OR
Sep 5, 2014
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int.__index__ = function(self){
292
return int_value(self)
293
}
Sep 5, 2014
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295
int.__init__ = function(self, value){
Mar 10, 2018
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if(value === undefined){value = 0}
Sep 5, 2014
297
self.toString = function(){return value}
298
return _b_.None
Sep 5, 2014
299
}
300
301
int.__int__ = function(self){return self}
Sep 5, 2014
302
303
int.__invert__ = function(self){return ~self}
Sep 5, 2014
304
Mar 10, 2018
306
int.__lshift__ = function(self, other){
308
if(_b_.isinstance(other, int)){
310
try{
311
return int.$factory($B.long_int.__lshift__($B.long_int.$factory(self),
312
$B.long_int.$factory(other)))
313
}catch(err){
314
console.log('err in lshift', self, other)
315
throw err
316
}
Mar 10, 2018
321
int.__mod__ = function(self, other) {
Sep 5, 2014
322
// can't use Javascript % because it works differently for negative numbers
323
if(_b_.isinstance(other,_b_.tuple) && other.length == 1){other = other[0]}
324
if(other.__class__ === $B.long_int){
325
return $B.long_int.__mod__($B.long_int.$factory(self), other)
326
}
Mar 10, 2018
329
if(other === false){other = 0}
330
else if(other === true){other = 1}
331
if(other == 0){throw _b_.ZeroDivisionError.$factory(
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"integer division or modulo by zero")}
Mar 10, 2018
333
return (self % other + other) % other
Sep 5, 2014
334
}
Sep 5, 2014
336
}
337
Mar 10, 2018
338
int.__mul__ = function(self, other){
340
if(_b_.isinstance(other, int)){
341
if(other.__class__ == $B.long_int){
342
return $B.long_int.__mul__($B.long_int.$factory(self),
343
$B.long_int.$factory(other))
344
}
Mar 10, 2018
346
var res = self * other
347
if(res > $B.min_int && res < $B.max_int){
348
return res
349
}else{
Mar 10, 2018
350
return int.$factory($B.long_int.__mul__($B.long_int.$factory(self),
351
$B.long_int.$factory(other)))
352
}
Sep 5, 2014
355
}
356
Feb 22, 2019
357
int.__ne__ = function(self, other){
358
var res = int.__eq__(self, other)
359
return (res === _b_.NotImplemented) ? res : !res
360
}
361
362
int.__neg__ = function(self){return -self}
Sep 5, 2014
363
364
int.__new__ = function(cls, value){
Mar 10, 2018
365
if(cls === undefined){
366
throw _b_.TypeError.$factory("int.__new__(): not enough arguments")
367
}else if(! _b_.isinstance(cls, _b_.type)){
368
throw _b_.TypeError.$factory("int.__new__(X): X is not a type object")
369
}
370
if(cls === int){return int.$factory(value)}
371
return {
372
__class__: cls,
Mar 10, 2018
375
}
Sep 5, 2014
376
}
377
378
int.__pos__ = function(self){return self}
Sep 5, 2014
379
Feb 20, 2020
380
function extended_euclidean(a, b){
381
var d, u, v
382
if(b == 0){
383
return [a, 1, 0]
384
}else{
385
[d, u, v] = extended_euclidean(b, a % b)
386
return [d, v, u - Math.floor(a / b) * v]
387
}
388
}
389
Mar 10, 2018
390
int.__pow__ = function(self, other, z){
391
if(! _b_.isinstance(other, int)){
392
return _b_.NotImplemented
393
}
394
if(typeof other == "number" || _b_.isinstance(other, int)){
395
other = int_value(other)
396
switch(other.valueOf()) {
397
case 0:
398
return int.$factory(1)
399
case 1:
400
return int.$factory(self.valueOf())
Feb 9, 2015
401
}
402
if(z !== undefined && z !== _b_.None){
May 19, 2017
403
// If z is provided, the algorithm is faster than computing
404
// self ** other then applying the modulo z
405
if(z == 1){return 0}
406
var result = 1,
407
base = self % z,
408
exponent = other,
409
long_int = $B.long_int
Feb 20, 2020
410
if(exponent < 0){
411
var gcd, inv, _
412
[gcd, inv, _] = extended_euclidean(self, z)
413
if(gcd !== 1){
414
throw _b_.ValueError.$factory("not relative primes: " +
415
self + ' and ' + z)
416
}
417
return int.__pow__(inv, -exponent, z)
418
}
419
while(exponent > 0){
420
if(exponent % 2 == 1){
421
if(result * base > $B.max_int){
422
result = long_int.__mul__(
423
long_int.$factory(result),
424
long_int.$factory(base))
425
result = long_int.__mod__(result, z)
426
}else{
427
result = (result * base) % z
428
}
429
}
430
exponent = exponent >> 1
431
if(base * base > $B.max_int){
432
base = long_int.__mul__(long_int.$factory(base),
433
long_int.$factory(base))
434
base = long_int.__mod__(base, z)
435
}else{
436
base = (base * base) % z
437
}
May 19, 2017
438
}
May 19, 2017
440
}
Mar 10, 2018
441
var res = Math.pow(self.valueOf(), other.valueOf())
442
if(res > $B.min_int && res < $B.max_int){
443
return other > 0 ? res : new Number(res)
444
}else if(res !== Infinity && !isFinite(res)){
445
return res
446
}else{
447
if($B.BigInt){
448
return {
449
__class__: $B.long_int,
450
value: ($B.BigInt(self) ** $B.BigInt(other)).toString(),
451
pos: true
452
}
453
}
454
return $B.long_int.__pow__($B.long_int.$from_int(self),
455
$B.long_int.$from_int(other))
May 19, 2017
456
}
Sep 5, 2014
457
}
458
if(_b_.isinstance(other, _b_.float)) {
459
other = _b_.float.numerator(other)
460
if(self >= 0){
461
return new Number(Math.pow(self, other))
462
}else{
464
return _b_.complex.__pow__($B.make_complex(self, 0), other)
466
}else if(_b_.isinstance(other, _b_.complex)){
Mar 10, 2018
467
var preal = Math.pow(self, other.$real),
468
ln = Math.log(self)
Mar 10, 2018
469
return $B.make_complex(preal * Math.cos(ln), preal * Math.sin(ln))
Sep 5, 2014
470
}
471
var rpow = $B.$getattr(other, "__rpow__", _b_.None)
472
if(rpow !== _b_.None){
473
return rpow(self)
474
}
Mar 10, 2018
475
$err("**", other)
Sep 5, 2014
476
}
477
478
function __newobj__(){
479
// __newobj__ is called with a generator as only argument
480
var $ = $B.args('__newobj__', 0, {}, [], arguments, {}, 'args', null),
481
args = $.args
482
var res = args.slice(1)
483
res.__class__ = args[0]
484
return res
485
}
486
487
int.__reduce_ex__ = function(self){
488
return $B.fast_tuple([
489
__newobj__,
490
$B.fast_tuple([self.__class__ || int, int_value(self)]),
491
_b_.None,
492
_b_.None,
493
_b_.None])
494
}
495
496
int.__repr__ = function(self){
497
$B.builtins_repr_check(int, arguments) // in brython_builtins.js
498
return int_value(self).toString()
Sep 5, 2014
499
}
500
501
// bitwise right shift
Mar 10, 2018
502
int.__rshift__ = function(self, other){
503
self = int_value(self)
504
if(typeof other == "number" || _b_.isinstance(other, int)){
Feb 11, 2018
506
return int.$factory($B.long_int.__rshift__($B.long_int.$factory(self),
507
$B.long_int.$factory(other)))
Sep 5, 2014
511
512
int.__setattr__ = function(self, attr, value){
513
if(typeof self == "number" || typeof self == "boolean"){
514
var cl_name = $B.class_name(self)
515
if(_b_.dir(self).indexOf(attr) > -1){
516
var msg = "attribute '" + attr + `' of '${cl_name}'` +
517
"objects is not writable"
519
var msg = `'${cl_name}' object has no attribute '${attr}'`
521
throw _b_.AttributeError.$factory(msg)
Sep 5, 2014
522
}
523
// subclasses of int can have attributes set
524
_b_.dict.$setitem(self.__dict__, attr, value)
525
return _b_.None
Sep 5, 2014
526
}
527
528
int.__sub__ = function(self, other){
529
self = int_value(self)
530
if(_b_.isinstance(other, int)){
531
if(other.__class__ == $B.long_int){
532
return $B.long_int.__sub__($B.long_int.$factory(self),
533
$B.long_int.$factory(other))
534
}
535
other = int_value(other)
536
var res = self - other
537
if(res > $B.min_int && res < $B.max_int){
538
return res
539
}else{
540
return $B.long_int.__sub__($B.long_int.$factory(self),
541
$B.long_int.$factory(other))
542
}
543
}
544
return _b_.NotImplemented
545
}
546
Mar 10, 2018
547
int.__truediv__ = function(self, other){
548
if(_b_.isinstance(other, int)){
550
if(other == 0){
551
throw _b_.ZeroDivisionError.$factory("division by zero")
552
}
Mar 10, 2018
553
if(other.__class__ === $B.long_int){
554
return new Number(self / parseInt(other.value))
555
}
556
return new Number(self / other)
Sep 5, 2014
557
}
Sep 5, 2014
559
}
560
561
int.bit_length = function(self){
562
s = _b_.bin(self)
563
s = $B.$getattr(s, "lstrip")("-0b") // remove leading zeros and minus sign
Sep 5, 2014
564
return s.length // len('100101') --> 6
565
}
566
567
// descriptors
568
int.numerator = function(self){
569
return int_value(self)
570
}
571
int.denominator = function(self){
572
return int.$factory(1)
573
}
574
int.imag = function(self){
575
return int.$factory(0)
576
}
577
int.real = function(self){
578
return self
579
}
580
581
for(var attr of ['numerator', 'denominator', 'imag', 'real']){
582
int[attr].setter = (function(x){
583
return function(self, value){
584
throw _b_.AttributeError.$factory(`attribute '${x}' of ` +
585
`'${$B.class_name(self)}' objects is not writable`)
586
}
587
})(attr)
588
}
589
Mar 10, 2018
590
$B.max_int32 = (1 << 30) * 2 - 1
591
$B.min_int32 = - $B.max_int32
593
// code for operands & | ^
Mar 10, 2018
594
var $op_func = function(self, other){
595
self = int_value(self)
596
if(typeof other == "number" || _b_.isinstance(other, int)){
Mar 10, 2018
597
if(other.__class__ === $B.long_int){
598
return $B.long_int.__sub__($B.long_int.$factory(self),
599
$B.long_int.$factory(other))
Mar 23, 2018
602
if(self > $B.max_int32 || self < $B.min_int32 ||
603
other > $B.max_int32 || other < $B.min_int32){
Mar 10, 2018
604
return $B.long_int.__sub__($B.long_int.$factory(self),
605
$B.long_int.$factory(other))
Mar 21, 2018
607
return self - other
Jun 7, 2015
608
}
Sep 5, 2014
610
}
611
Mar 10, 2018
612
$op_func += "" // source code
613
var $ops = {"&": "and", "|": "or", "^": "xor"}
Sep 5, 2014
614
for(var $op in $ops){
Mar 10, 2018
615
var opf = $op_func.replace(/-/gm, $op)
616
opf = opf.replace(new RegExp("sub", "gm"), $ops[$op])
617
eval("int.__" + $ops[$op] + "__ = " + opf)
Sep 5, 2014
618
}
619
620
621
// comparison methods
Mar 10, 2018
622
var $comp_func = function(self, other){
Mar 23, 2018
623
if(other.__class__ === $B.long_int){
Feb 11, 2018
624
return $B.long_int.__lt__(other, $B.long_int.$factory(self))
626
if(_b_.isinstance(other, int)){
627
other = int_value(other)
628
return self.valueOf() > other.valueOf()
629
}else if(_b_.isinstance(other, _b_.float)){
630
return self.valueOf() > _b_.float.numerator(other)
631
}else if(_b_.isinstance(other, _b_.bool)) {
Feb 11, 2018
632
return self.valueOf() > _b_.bool.__hash__(other)
Sep 5, 2014
633
}
634
if(_b_.hasattr(other, "__int__") || _b_.hasattr(other, "__index__")){
635
return int.__gt__(self, $B.$GetInt(other))
Sep 5, 2014
639
}
Mar 10, 2018
640
$comp_func += "" // source code
Sep 5, 2014
642
for(var $op in $B.$comps){
Mar 10, 2018
643
eval("int.__"+$B.$comps[$op] + "__ = " +
644
$comp_func.replace(/>/gm, $op).
645
replace(/__gt__/gm,"__" + $B.$comps[$op] + "__").
646
replace(/__lt__/, "__" + $B.$inv_comps[$op] + "__"))
Sep 5, 2014
647
}
648
649
// add "reflected" methods
650
var r_opnames = ["add", "sub", "mul", "truediv", "floordiv", "mod", "pow",
651
"lshift", "rshift", "and", "xor", "or", "divmod"]
652
653
for(var r_opname of r_opnames){
654
if(int["__r" + r_opname + "__"] === undefined &&
655
int['__' + r_opname + '__']){
656
int["__r" + r_opname + "__"] = (function(name){
657
return function(self, other){
658
if(_b_.isinstance(other, int)){
659
other = int_value(other)
660
return int["__" + name + "__"](other, self)
661
}
662
return _b_.NotImplemented
663
}
664
})(r_opname)
665
}
666
}
Sep 5, 2014
667
Mar 10, 2018
668
var $valid_digits = function(base) {
669
var digits = ""
670
if(base === 0){return "0"}
671
if(base < 10){
Mar 21, 2018
672
for(var i = 0; i < base; i++){digits += String.fromCharCode(i + 48)}
Sep 5, 2014
673
return digits
674
}
675
Mar 10, 2018
676
var digits = "0123456789"
Sep 5, 2014
677
// A = 65 (10 + 55)
Mar 21, 2018
678
for (var i = 10; i < base; i++) {digits += String.fromCharCode(i + 55)}
Sep 5, 2014
679
return digits
680
}
681
682
int.$factory = function(value, base){
683
// int() with no argument returns 0
Mar 10, 2018
684
if(value === undefined){return 0}
686
// int() of an integer returns the integer if base is undefined
Mar 10, 2018
687
if(typeof value == "number" &&
688
(base === undefined || base == 10)){return parseInt(value)}
690
if(_b_.isinstance(value, _b_.complex)){
691
throw _b_.TypeError.$factory("can't convert complex to int")
Dec 28, 2014
692
}
Mar 10, 2018
694
var $ns = $B.args("int", 2, {x:null, base:null}, ["x", "base"], arguments,
695
{"base": 10}, null, null),
696
value = $ns["x"],
697
base = $ns["base"]
699
if(_b_.isinstance(value, _b_.float) && base == 10){
700
value = _b_.float.numerator(value) // for float subclasses
Mar 10, 2018
701
if(value < $B.min_int || value > $B.max_int){
Feb 11, 2018
702
return $B.long_int.$from_float(value)
704
else{
705
return value > 0 ? Math.floor(value) : Math.ceil(value)
706
}
Sep 5, 2014
708
Mar 10, 2018
709
if(! (base >=2 && base <= 36)){
Dec 26, 2014
710
// throw error (base must be 0, or 2-36)
711
if(base != 0){
712
throw _b_.ValueError.$factory("invalid base")
713
}
Dec 26, 2014
714
}
715
Mar 10, 2018
716
if(typeof value == "number"){
Mar 10, 2018
718
if(base == 10){
719
if(value < $B.min_int || value > $B.max_int){
720
return $B.long_int.$factory(value)
721
}
Mar 10, 2018
723
}else if(value.toString().search("e") > -1){
Dec 26, 2014
724
// can't convert to another base if value is too big
Mar 10, 2018
725
throw _b_.OverflowError.$factory("can't convert to base " + base)
Dec 26, 2014
726
}else{
Mar 10, 2018
727
var res = parseInt(value, base)
728
if(value < $B.min_int || value > $B.max_int){
729
return $B.long_int.$factory(value, base)
730
}
Dec 26, 2014
732
}
733
}
Sep 5, 2014
734
Mar 10, 2018
735
if(value === true){return Number(1)}
736
if(value === false){return Number(0)}
737
if(value.__class__ === $B.long_int){
738
var z = parseInt(value.value)
Mar 10, 2018
739
if(z > $B.min_int && z < $B.max_int){return z}
740
else{return value}
741
}
Sep 5, 2014
742
Mar 10, 2018
743
base = $B.$GetInt(base)
744
function invalid(value, base){
745
throw _b_.ValueError.$factory("invalid literal for int() with base " +
746
base + ": '" + _b_.str.$factory(value) + "'")
747
}
Sep 5, 2014
748
749
if(_b_.isinstance(value, _b_.str)){
750
value = value.valueOf()
751
}
Mar 10, 2018
752
if(typeof value == "string") {
753
var _value = value.trim() // remove leading/trailing whitespace
754
if(_value.length == 2 && base == 0 &&
755
(_value == "0b" || _value == "0o" || _value == "0x")){
756
throw _b_.ValueError.$factory("invalid value")
757
}
758
if(_value.length > 2) {
Mar 10, 2018
759
var _pre = _value.substr(0, 2).toUpperCase()
760
if(base == 0){
761
if(_pre == "0B"){base = 2}
762
if(_pre == "0O"){base = 8}
763
if(_pre == "0X"){base = 16}
764
}else if(_pre == "0X" && base != 16){invalid(_value, base)}
765
else if(_pre == "0O" && base != 8){invalid(_value, base)}
766
if((_pre == "0B" && base == 2) || _pre == "0O" || _pre == "0X"){
Mar 10, 2018
767
_value = _value.substr(2)
768
while(_value.startsWith("_")){
769
_value = _value.substr(1)
770
}
Mar 10, 2018
771
}
772
}else if(base == 0){
773
// eg int("1\n", 0)
774
base = 10
Mar 10, 2018
775
}
776
var _digits = $valid_digits(base),
777
_re = new RegExp("^[+-]?[" + _digits + "]" +
778
"[" + _digits + "_]*$", "i"),
779
match = _re.exec(_value)
780
if(match === null){
781
invalid(value, base)
782
}else{
783
value = _value.replace(/_/g, "")
Mar 10, 2018
784
}
785
if(base <= 10 && ! isFinite(value)){
786
invalid(_value, base)
787
}
788
var res = parseInt(value, base)
Mar 10, 2018
789
if(res < $B.min_int || res > $B.max_int){
790
return $B.long_int.$factory(value, base)
Mar 10, 2018
791
}
792
return res
Sep 5, 2014
793
}
795
if(_b_.isinstance(value, [_b_.bytes, _b_.bytearray])){
796
return int.$factory($B.$getattr(value, "decode")("latin-1"), base)
797
}
799
for(var special_method of ["__int__", "__index__", "__trunc__"]){
800
var num_value = $B.$getattr(value.__class__ || $B.get_class(value),
802
if(num_value !== _b_.None){
803
return $B.$call(num_value)(value)
806
throw _b_.TypeError.$factory(
807
"int() argument must be a string, a bytes-like " +
808
"object or a number, not '" + $B.class_name(value) + "'")
Sep 5, 2014
809
}
810
811
$B.set_func_names(int, "builtins")
Sep 5, 2014
813
_b_.int = int
814
Feb 11, 2018
816
$B.$bool = function(obj){ // return true or false
Mar 10, 2018
817
if(obj === null || obj === undefined ){ return false}
818
switch(typeof obj){
819
case "boolean":
820
return obj
821
case "number":
822
case "string":
823
if(obj){return true}
824
return false
825
default:
826
if(obj.$is_class){return true}
827
var klass = obj.__class__ || $B.get_class(obj),
828
missing = {},
829
bool_method = $B.$getattr(klass, "__bool__", missing)
830
if(bool_method === missing){
831
try{return _b_.len(obj) > 0}
Mar 10, 2018
832
catch(err){return true}
834
var res = $B.$call(bool_method)(obj)
835
if(res !== true && res !== false){
836
throw _b_.TypeError.$factory("__bool__ should return " +
837
"bool, returned " + $B.class_name(res))
838
}
839
return res
Mar 10, 2018
840
}
841
}
Feb 11, 2018
842
}
843
844
var bool = {
845
__bases__: [int],
Feb 11, 2018
846
__class__: _b_.type,
847
__mro__: [int, _b_.object],
848
$infos:{
849
__name__: "bool",
850
__module__: "builtins"
851
},
Feb 11, 2018
852
$is_class: true,
853
$native: true,
854
$descriptors: {
855
"numerator": true,
856
"denominator": true,
857
"imag": true,
858
"real": true
859
}
Feb 11, 2018
862
bool.__and__ = function(self, other){
863
if(_b_.isinstance(other, bool)){
864
return self && other
865
}else if(_b_.isinstance(other, int)){
866
return int.__and__(bool.__index__(self), int.__index__(other))
867
}
868
return _b_.NotImplemented
871
bool.__float__ = function(self){
872
return self ? new Number(1) : new Number(0)
873
}
874
Mar 10, 2018
875
bool.__hash__ = bool.__index__ = bool.__int__ = function(self){
876
if(self.valueOf()) return 1
877
return 0
878
}
879
Feb 11, 2018
880
bool.__neg__ = function(self){return -$B.int_or_bool(self)}
Feb 11, 2018
882
bool.__or__ = function(self, other){
883
if(_b_.isinstance(other, bool)){
884
return self || other
885
}else if(_b_.isinstance(other, int)){
886
return int.__or__(bool.__index__(self), int.__index__(other))
887
}
888
return _b_.NotImplemented
Feb 11, 2018
891
bool.__pos__ = $B.int_or_bool
893
bool.__repr__ = function(self){
894
$B.builtins_repr_check(bool, arguments) // in brython_builtins.js
895
return self ? "True" : "False"
Feb 11, 2018
898
bool.__xor__ = function(self, other) {
899
if(_b_.isinstance(other, bool)){
900
return self ^ other ? true : false
901
}else if(_b_.isinstance(other, int)){
902
return int.__xor__(bool.__index__(self), int.__index__(other))
903
}
904
return _b_.NotImplemented
Feb 11, 2018
907
bool.$factory = function(){
908
// Calls $B.$bool, which is used inside the generated JS code and skips
909
// arguments control.
Mar 10, 2018
910
var $ = $B.args("bool", 1, {x: null}, ["x"],
911
arguments,{x: false}, null, null)
Feb 11, 2018
912
return $B.$bool($.x)
913
}
914
915
bool.numerator = int.numerator
916
bool.denominator = int.denominator
917
bool.real = int.real
918
bool.imag = int.imag
919
Feb 11, 2018
920
_b_.bool = bool
Feb 11, 2018
922
$B.set_func_names(bool, "builtins")
Sep 5, 2014
924
})(__BRYTHON__)