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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 abstract class _IntegerImplementation { | 5 abstract class _IntegerImplementation { |
6 // The Dart class _Bigint extending _IntegerImplementation requires a | 6 // The Dart class _Bigint extending _IntegerImplementation requires a |
7 // default constructor. | 7 // default constructor. |
8 | 8 |
9 Type get runtimeType => int; | 9 Type get runtimeType => int; |
10 | 10 |
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56 return other._toBigint()._bitOrFromInteger(this); | 56 return other._toBigint()._bitOrFromInteger(this); |
57 } | 57 } |
58 int operator ^(int other) { | 58 int operator ^(int other) { |
59 var result = other._bitXorFromInteger(this); | 59 var result = other._bitXorFromInteger(this); |
60 if (result != null) return result; | 60 if (result != null) return result; |
61 return other._toBigint()._bitXorFromInteger(this); | 61 return other._toBigint()._bitXorFromInteger(this); |
62 } | 62 } |
63 num remainder(num other) { | 63 num remainder(num other) { |
64 return other._remainderFromInteger(this); | 64 return other._remainderFromInteger(this); |
65 } | 65 } |
| 66 int _bitAndFromSmi(int other) native "Integer_bitAndFromInteger"; |
66 int _bitAndFromInteger(int other) native "Integer_bitAndFromInteger"; | 67 int _bitAndFromInteger(int other) native "Integer_bitAndFromInteger"; |
67 int _bitOrFromInteger(int other) native "Integer_bitOrFromInteger"; | 68 int _bitOrFromInteger(int other) native "Integer_bitOrFromInteger"; |
68 int _bitXorFromInteger(int other) native "Integer_bitXorFromInteger"; | 69 int _bitXorFromInteger(int other) native "Integer_bitXorFromInteger"; |
69 int _addFromInteger(int other) native "Integer_addFromInteger"; | 70 int _addFromInteger(int other) native "Integer_addFromInteger"; |
70 int _subFromInteger(int other) native "Integer_subFromInteger"; | 71 int _subFromInteger(int other) native "Integer_subFromInteger"; |
71 int _mulFromInteger(int other) native "Integer_mulFromInteger"; | 72 int _mulFromInteger(int other) native "Integer_mulFromInteger"; |
72 int _truncDivFromInteger(int other) native "Integer_truncDivFromInteger"; | 73 int _truncDivFromInteger(int other) native "Integer_truncDivFromInteger"; |
73 int _moduloFromInteger(int other) native "Integer_moduloFromInteger"; | 74 int _moduloFromInteger(int other) native "Integer_moduloFromInteger"; |
74 int _remainderFromInteger(int other) { | 75 int _remainderFromInteger(int other) { |
75 return other - (other ~/ this) * this; | 76 return other - (other ~/ this) * this; |
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405 class _Smi extends _IntegerImplementation implements int { | 406 class _Smi extends _IntegerImplementation implements int { |
406 factory _Smi._uninstantiable() { | 407 factory _Smi._uninstantiable() { |
407 throw new UnsupportedError( | 408 throw new UnsupportedError( |
408 "_Smi can only be allocated by the VM"); | 409 "_Smi can only be allocated by the VM"); |
409 } | 410 } |
410 int get _identityHashCode => this; | 411 int get _identityHashCode => this; |
411 int get hashCode => this; | 412 int get hashCode => this; |
412 int operator ~() native "Smi_bitNegate"; | 413 int operator ~() native "Smi_bitNegate"; |
413 int get bitLength native "Smi_bitLength"; | 414 int get bitLength native "Smi_bitLength"; |
414 | 415 |
| 416 int operator &(int other) => other._bitAndFromSmi(this); |
| 417 |
| 418 int _bitAndFromSmi(int other) native "Smi_bitAndFromSmi"; |
415 int _shrFromInt(int other) native "Smi_shrFromInt"; | 419 int _shrFromInt(int other) native "Smi_shrFromInt"; |
416 int _shlFromInt(int other) native "Smi_shlFromInt"; | 420 int _shlFromInt(int other) native "Smi_shlFromInt"; |
417 | 421 |
418 /** | 422 /** |
419 * The digits of '00', '01', ... '99' as a single array. | 423 * The digits of '00', '01', ... '99' as a single array. |
420 * | 424 * |
421 * Get the digits of `n`, with `0 <= n < 100`, as | 425 * Get the digits of `n`, with `0 <= n < 100`, as |
422 * `_digitTable[n * 2]` and `_digitTable[n * 2 + 1]`. | 426 * `_digitTable[n * 2]` and `_digitTable[n * 2 + 1]`. |
423 */ | 427 */ |
424 static const _digitTable = const [ | 428 static const _digitTable = const [ |
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602 class _Mint extends _IntegerImplementation implements int { | 606 class _Mint extends _IntegerImplementation implements int { |
603 factory _Mint._uninstantiable() { | 607 factory _Mint._uninstantiable() { |
604 throw new UnsupportedError( | 608 throw new UnsupportedError( |
605 "_Mint can only be allocated by the VM"); | 609 "_Mint can only be allocated by the VM"); |
606 } | 610 } |
607 int get _identityHashCode => this; | 611 int get _identityHashCode => this; |
608 int get hashCode => this; | 612 int get hashCode => this; |
609 int operator ~() native "Mint_bitNegate"; | 613 int operator ~() native "Mint_bitNegate"; |
610 int get bitLength native "Mint_bitLength"; | 614 int get bitLength native "Mint_bitLength"; |
611 | 615 |
| 616 int _bitAndFromSmi(int other) => _bitAndFromInteger(other); |
| 617 |
612 // Shift by mint exceeds range that can be handled by the VM. | 618 // Shift by mint exceeds range that can be handled by the VM. |
613 int _shrFromInt(int other) { | 619 int _shrFromInt(int other) { |
614 if (other < 0) { | 620 if (other < 0) { |
615 return -1; | 621 return -1; |
616 } else { | 622 } else { |
617 return 0; | 623 return 0; |
618 } | 624 } |
619 } | 625 } |
620 int _shlFromInt(int other) native "Mint_shlFromInt"; | 626 int _shlFromInt(int other) native "Mint_shlFromInt"; |
621 } | 627 } |
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