Repository navigation
Expand file tree
/
Copy pathoperator.cs
More file actions
684 lines (540 loc) · 25.5 KB
/
Copy pathoperator.cs
File metadata and controls
684 lines (540 loc) · 25.5 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
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using IronPython.Runtime;
using IronPython.Runtime.Operations;
using Microsoft.Scripting;
using Microsoft.Scripting.Runtime;
using IronPython.Runtime.Binding;
using Microsoft.Scripting.Generation;
using IronPython.Runtime.Types;
using System.Numerics;
[assembly: PythonModule("operator", typeof(IronPython.Modules.PythonOperator))]
namespace IronPython.Modules {
public static class PythonOperator {
public const string __doc__ = "Provides programmatic access to various operators (addition, accessing members, etc...)";
public class attrgetter {
private readonly object[] _names;
public attrgetter(params object[] attrs) {
if (attrs.Length == 0) throw PythonOps.TypeError("attrgetter expected 1 arguments, got 0");
this._names = attrs;
}
[SpecialName]
public object Call(CodeContext context, object param) {
if (_names.Length == 1) {
return GetOneAttr(context, param, _names[0]);
}
object[] res = new object[_names.Length];
for (int i = 0; i < _names.Length; i++) {
res[i] = GetOneAttr(context, param, _names[i]);
}
return PythonTuple.MakeTuple(res);
}
private static object GetOneAttr(CodeContext context, object param, object val) {
string s = val as string;
if (s == null) {
throw PythonOps.TypeError("attribute name must be string");
}
int dotPos = s.IndexOf('.');
if (dotPos >= 0) {
object nextParam = GetOneAttr(context, param, s.Substring(0, dotPos));
return GetOneAttr(context, nextParam, s.Substring(dotPos + 1, s.Length - dotPos - 1));
}
return PythonOps.GetBoundAttr(context, param, s);
}
}
public class itemgetter {
private readonly object[] _items;
public itemgetter([NotNull]params object[] items) {
if (items.Length == 0) {
throw PythonOps.TypeError("itemgetter needs at least one argument");
}
_items = items;
}
[SpecialName]
public object Call(CodeContext/*!*/ context, object param) {
if (_items.Length == 1) {
return PythonOps.GetIndex(context, param, _items[0]);
}
object[] res = new object[_items.Length];
for (int i = 0; i < _items.Length; i++) {
res[i] = PythonOps.GetIndex(context, param, _items[i]);
}
return PythonTuple.MakeTuple(res);
}
}
[PythonType]
public class methodcaller {
private readonly string _name;
private readonly object[] _args;
private readonly IDictionary<object, object> _dict;
public methodcaller(string name, params object[] args) {
_name = name;
_args = args;
}
public methodcaller(string name, [ParamDictionary]IDictionary<object, object> kwargs, params object[] args) {
_name = name;
_args = args;
_dict = kwargs;
}
public override string ToString() {
return String.Format("<operator.methodcaller: {0}>", _name);
}
[SpecialName]
public object Call(CodeContext/*!*/ context, object param) {
object method = PythonOps.GetBoundAttr(context, param, _name);
if (_dict == null) {
return PythonOps.CallWithContext(context, method, _args);
} else {
return PythonCalls.CallWithKeywordArgs(context, method, _args, _dict);
}
}
}
public static object lt(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.LessThan, a, b);
}
public static object le(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.LessThanOrEqual, a, b);
}
public static object eq(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Equal, a, b);
}
public static object ne(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.NotEqual, a, b);
}
public static object ge(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.GreaterThanOrEqual, a, b);
}
public static object gt(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.GreaterThan, a, b);
}
public static object __lt__(CodeContext/*!*/ context, object a, object b) {
return lt(context, a, b);
}
public static object __le__(CodeContext/*!*/ context, object a, object b) {
return le(context, a, b);
}
public static object __eq__(CodeContext/*!*/ context, object a, object b) {
return eq(context, a, b);
}
public static object __ne__(CodeContext/*!*/ context, object a, object b) {
return ne(context, a, b);
}
public static object __ge__(CodeContext/*!*/ context, object a, object b) {
return ge(context, a, b);
}
public static object __gt__(CodeContext/*!*/ context, object a, object b) {
return gt(context, a, b);
}
public static bool not_(object o) {
return PythonOps.Not(o);
}
public static bool __not__(object o) {
return PythonOps.Not(o);
}
public static bool truth(object o) {
return PythonOps.IsTrue(o);
}
public static object is_(object a, object b) {
return PythonOps.Is(a, b);
}
public static object is_not(object a, object b) {
return PythonOps.IsNot(a, b);
}
public static object abs(CodeContext context, object o) {
return Builtin.abs(context, o);
}
public static object __abs__(CodeContext context, object o) {
return Builtin.abs(context, o);
}
public static object add(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Add, a, b);
}
public static object __add__(CodeContext/*!*/ context, object a, object b) {
return add(context, a, b);
}
public static object and_(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.BitwiseAnd, a, b);
}
public static object __and__(CodeContext/*!*/ context, object a, object b) {
return and_(context, a, b);
}
public static object div(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Divide, a, b);
}
public static object __div__(CodeContext/*!*/ context, object a, object b) {
return div(context, a, b);
}
public static object floordiv(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.FloorDivide, a, b);
}
public static object __floordiv__(CodeContext/*!*/ context, object a, object b) {
return floordiv(context, a, b);
}
public static object inv(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object invert(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object __inv__(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object __invert__(CodeContext/*!*/ context, object o) {
return PythonOps.OnesComplement(o);
}
public static object lshift(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.LeftShift, a, b);
}
public static object __lshift__(CodeContext/*!*/ context, object a, object b) {
return lshift(context, a, b);
}
public static object mod(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Mod, a, b);
}
public static object __mod__(CodeContext/*!*/ context, object a, object b) {
return mod(context, a, b);
}
public static object mul(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Multiply, a, b);
}
public static object __mul__(CodeContext/*!*/ context, object a, object b) {
return mul(context, a, b);
}
public static object neg(object o) {
return PythonOps.Negate(o);
}
public static object __neg__(object o) {
return PythonOps.Negate(o);
}
public static object or_(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.BitwiseOr, a, b);
}
public static object __or__(CodeContext/*!*/ context, object a, object b) {
return or_(context, a, b);
}
public static object pos(object o) {
return PythonOps.Plus(o);
}
public static object __pos__(object o) {
return PythonOps.Plus(o);
}
public static object pow(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Power, a, b);
}
public static object __pow__(CodeContext/*!*/ context, object a, object b) {
return pow(context, a, b);
}
public static object rshift(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.RightShift, a, b);
}
public static object __rshift__(CodeContext/*!*/ context, object a, object b) {
return rshift(context, a, b);
}
public static object sub(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.Subtract, a, b);
}
public static object __sub__(CodeContext/*!*/ context, object a, object b) {
return sub(context, a, b);
}
public static object truediv(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.TrueDivide, a, b);
}
public static object __truediv__(CodeContext/*!*/ context, object a, object b) {
return truediv(context, a, b);
}
public static object xor(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.ExclusiveOr, a, b);
}
public static object __xor__(CodeContext/*!*/ context, object a, object b) {
return xor(context, a, b);
}
public static object concat(CodeContext/*!*/ context, object a, object b) {
TestBothSequence(a, b);
return context.LanguageContext.Operation(PythonOperationKind.Add, a, b);
}
public static object __concat__(CodeContext/*!*/ context, object a, object b) {
return concat(context, a, b);
}
public static bool contains(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Contains(b, a);
}
public static bool __contains__(CodeContext/*!*/ context, object a, object b) {
return contains(context, a, b);
}
public static int countOf(CodeContext/*!*/ context, object a, object b) {
System.Collections.IEnumerator e = PythonOps.GetEnumerator(a);
int count = 0;
while (e.MoveNext()) {
if (PythonOps.EqualRetBool(context, e.Current, b)) {
count++;
}
}
return count;
}
public static void delitem(CodeContext/*!*/ context, object a, object b) {
context.LanguageContext.DelIndex(a, b);
}
public static void __delitem__(CodeContext/*!*/ context, object a, object b) {
delitem(context, a, b);
}
public static void delslice(CodeContext/*!*/ context, object a, object b, object c) {
MakeSlice(b, c);
context.LanguageContext.DelSlice(a, b, c);
}
public static void __delslice__(CodeContext/*!*/ context, object a, object b, object c) {
delslice(context, a, b, c);
}
public static object getitem(CodeContext/*!*/ context, object a, object b) {
return PythonOps.GetIndex(context, a, b);
}
public static object __getitem__(CodeContext/*!*/ context, object a, object b) {
return PythonOps.GetIndex(context, a, b);
}
public static object getslice(CodeContext/*!*/ context, object a, object b, object c) {
return PythonOps.GetIndex(context, a, MakeSlice(b, c));
}
public static object __getslice__(CodeContext/*!*/ context, object a, object b, object c) {
return PythonOps.GetIndex(context, a, MakeSlice(b, c));
}
public static int indexOf(CodeContext/*!*/ context, object a, object b) {
System.Collections.IEnumerator e = PythonOps.GetEnumerator(a);
int index = 0;
while (e.MoveNext()) {
if (PythonOps.EqualRetBool(context, e.Current, b)) {
return index;
}
index++;
}
throw PythonOps.ValueError("object not in sequence");
}
public static object repeat(CodeContext context, object a, object b) {
try {
PythonOps.GetEnumerator(a);
} catch {
throw PythonOps.TypeError("object can't be repeated");
}
try {
Int32Ops.__new__(context, b);
} catch {
throw PythonOps.TypeError("integer required");
}
return context.LanguageContext.Operation(PythonOperationKind.Multiply, a, b);
}
public static object __repeat__(CodeContext/*!*/ context, object a, object b) {
return repeat(context, a, b);
}
[Python3Warning("operator.sequenceIncludes() is not supported in 3.x. Use operator.contains().")]
public static object sequenceIncludes(CodeContext/*!*/ context, object a, object b) {
return contains(context, a, b);
}
public static void setitem(CodeContext/*!*/ context, object a, object b, object c) {
context.LanguageContext.SetIndex(a, b, c);
}
public static void __setitem__(CodeContext/*!*/ context, object a, object b, object c) {
setitem(context, a, b, c);
}
public static void setslice(CodeContext/*!*/ context, object a, object b, object c, object v) {
context.LanguageContext.SetSlice(a, b, c, v);
}
public static void __setslice__(CodeContext/*!*/ context, object a, object b, object c, object v) {
setslice(context, a, b, c, v);
}
[Python3Warning("operator.isCallable() is not supported in 3.x. Use hasattr(obj, '__call__').")]
public static bool isCallable(CodeContext/*!*/ context, object o) {
return PythonOps.IsCallable(context, o);
}
public static object isMappingType(CodeContext context, object o) {
return PythonOps.IsMappingType(context, o);
}
public static bool isNumberType(object o) {
return o is int ||
o is long ||
o is double ||
o is float ||
o is short ||
o is uint ||
o is ulong ||
o is ushort ||
o is decimal ||
o is BigInteger ||
o is Complex ||
o is byte;
}
public static bool isSequenceType(object o) {
return
CompilerHelpers.GetType(o) != typeof(PythonType) &&
!(o is PythonDictionary) && (
o is System.Collections.ICollection ||
o is System.Collections.IEnumerable ||
o is System.Collections.IEnumerator ||
o is System.Collections.IList ||
PythonOps.HasAttr(DefaultContext.Default, o, "__getitem__"));
}
private static int SliceToInt(object o) {
int i;
if (Converter.TryConvertToInt32(o, out i)) return i;
throw PythonOps.TypeError("integer expected");
}
private static object MakeSlice(object a, object b) {
return new Slice(SliceToInt(a), SliceToInt(b), null);
}
public static object iadd(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceAdd, a, b);
}
public static object iand(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceBitwiseAnd, a, b);
}
public static object idiv(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceDivide, a, b);
}
public static object ifloordiv(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceFloorDivide, a, b);
}
public static object ilshift(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceLeftShift, a, b);
}
public static object imod(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceMod, a, b);
}
public static object imul(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceMultiply, a, b);
}
public static object ior(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceBitwiseOr, a, b);
}
public static object ipow(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlacePower, a, b);
}
public static object irshift(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceRightShift, a, b);
}
public static object isub(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceSubtract, a, b);
}
public static object itruediv(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceTrueDivide, a, b);
}
public static object ixor(CodeContext/*!*/ context, object a, object b) {
return context.LanguageContext.Operation(PythonOperationKind.InPlaceExclusiveOr, a, b);
}
public static object iconcat(CodeContext/*!*/ context, object a, object b) {
TestBothSequence(a, b);
return context.LanguageContext.Operation(PythonOperationKind.InPlaceAdd, a, b);
}
public static object irepeat(CodeContext/*!*/ context, object a, object b) {
if (!isSequenceType(a)) {
throw PythonOps.TypeError("'{0}' object cannot be repeated", PythonTypeOps.GetName(a));
}
try {
Int32Ops.__new__(DefaultContext.Default, b);
} catch {
throw PythonOps.TypeError("integer required");
}
return context.LanguageContext.Operation(PythonOperationKind.InPlaceMultiply, a, b);
}
public static object __iadd__(CodeContext/*!*/ context, object a, object b) {
return iadd(context, a, b);
}
public static object __iand__(CodeContext/*!*/ context, object a, object b) {
return iand(context, a, b);
}
public static object __idiv__(CodeContext/*!*/ context, object a, object b) {
return idiv(context, a, b);
}
public static object __ifloordiv__(CodeContext/*!*/ context, object a, object b) {
return ifloordiv(context, a, b);
}
public static object __ilshift__(CodeContext/*!*/ context, object a, object b) {
return ilshift(context, a, b);
}
public static object __imod__(CodeContext/*!*/ context, object a, object b) {
return imod(context, a, b);
}
public static object __imul__(CodeContext/*!*/ context, object a, object b) {
return imul(context, a, b);
}
public static object __ior__(CodeContext/*!*/ context, object a, object b) {
return ior(context, a, b);
}
public static object __ipow__(CodeContext/*!*/ context, object a, object b) {
return ipow(context, a, b);
}
public static object __irshift__(CodeContext/*!*/ context, object a, object b) {
return irshift(context, a, b);
}
public static object __isub__(CodeContext/*!*/ context, object a, object b) {
return isub(context, a, b);
}
public static object __itruediv__(CodeContext/*!*/ context, object a, object b) {
return itruediv(context, a, b);
}
public static object __ixor__(CodeContext/*!*/ context, object a, object b) {
return ixor(context, a, b);
}
public static object __iconcat__(CodeContext/*!*/ context, object a, object b) {
return iconcat(context, a, b);
}
public static object __irepeat__(CodeContext/*!*/ context, object a, object b) {
return irepeat(context, a, b);
}
public static object index(object a) {
return __index__(a);
}
public static int __index__(object a) {
return Converter.ConvertToIndex(a);
}
[Documentation(@"compare_digest(a, b)-> bool
Return 'a == b'. This function uses an approach designed to prevent
timing analysis, making it appropriate for cryptography.
a and b must both be of the same type: either str (ASCII only),
or any type that supports the buffer protocol (e.g. bytes).
Note: If a and b are of different lengths, or if an error occurs,
a timing attack could theoretically reveal information about the
types and lengths of a and b--but not their values.")]
public static bool _compare_digest(object a, object b) {
if(a is string && b is string) {
string aStr = a as string;
string bStr = b as string;
return CompareBytes(aStr.MakeByteArray(), bStr.MakeByteArray());
} else if(a is IBufferProtocol && b is IBufferProtocol) {
IBufferProtocol aBuf = a as IBufferProtocol;
IBufferProtocol bBuf = b as IBufferProtocol;
if(aBuf.NumberDimensions > 1 || bBuf.NumberDimensions > 1) {
throw PythonOps.BufferError("Buffer must be single dimension");
}
return CompareBytes(aBuf.ToBytes(0, null), bBuf.ToBytes(0, null));
}
throw PythonOps.TypeError("unsupported operand types(s) or combination of types: '{0}' and '{1}", PythonOps.GetPythonTypeName(a), PythonOps.GetPythonTypeName(b));
}
private static bool CompareBytes(IEnumerable<byte> a, IEnumerable<byte> b) {
var aList = a.ToList();
var bList = b.ToList();
int len_b = bList.Count, len_a = aList.Count, length = len_b, result = 0;
List<byte> left = null, right = bList;
if(len_a == length) {
left = aList;
result = 0;
}
if(len_a != length) {
left = bList;
result = 1;
}
for(int i = 0; i < length; i++) {
result |= (left[i] ^ right[i]);
}
return result == 0;
}
private static void TestBothSequence(object a, object b) {
if (!isSequenceType(a)) {
throw PythonOps.TypeError("'{0}' object cannot be concatenated", PythonTypeOps.GetName(a));
} else if (!isSequenceType(b)) {
throw PythonOps.TypeError("cannot concatenate '{0}' and '{1} objects", PythonTypeOps.GetName(a), PythonTypeOps.GetName(b));
}
}
}
}