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Side by Side Diff: runtime/lib/integers.dart

Issue 2451893002: Revert "Recognize and optimize a.runtimeType == b.runtimeType pattern." (Closed)
Patch Set: Created 4 years, 1 month ago
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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;
10
9 num operator +(num other) { 11 num operator +(num other) {
10 var result = other._addFromInteger(this); 12 var result = other._addFromInteger(this);
11 if (result != null) return result; 13 if (result != null) return result;
12 return other._toBigint()._addFromInteger(this); 14 return other._toBigint()._addFromInteger(this);
13 } 15 }
14 num operator -(num other) { 16 num operator -(num other) {
15 var result = other._subFromInteger(this); 17 var result = other._subFromInteger(this);
16 if (result != null) return result; 18 if (result != null) return result;
17 return other._toBigint()._subFromInteger(this); 19 return other._toBigint()._subFromInteger(this);
18 } 20 }
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616 // 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.
617 int _shrFromInt(int other) { 619 int _shrFromInt(int other) {
618 if (other < 0) { 620 if (other < 0) {
619 return -1; 621 return -1;
620 } else { 622 } else {
621 return 0; 623 return 0;
622 } 624 }
623 } 625 }
624 int _shlFromInt(int other) native "Mint_shlFromInt"; 626 int _shlFromInt(int other) native "Mint_shlFromInt";
625 } 627 }
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