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Issue 19106008: Fix for issue 11680 (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 7 years, 5 months 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 // TODO(srdjan): fix limitations. 5 // TODO(srdjan): fix limitations.
6 // - shift amount must be a Smi. 6 // - shift amount must be a Smi.
7 class _IntegerImplementation { 7 class _IntegerImplementation {
8 factory _IntegerImplementation._uninstantiable() { 8 factory _IntegerImplementation._uninstantiable() {
9 throw new UnsupportedError( 9 throw new UnsupportedError(
10 "_IntegerImplementation can only be allocated by the VM"); 10 "_IntegerImplementation can only be allocated by the VM");
(...skipping 255 matching lines...) Expand 10 before | Expand all | Expand 10 after
266 int operator ~() native "Mint_bitNegate"; 266 int operator ~() native "Mint_bitNegate";
267 267
268 // Shift by mint exceeds range that can be handled by the VM. 268 // Shift by mint exceeds range that can be handled by the VM.
269 int _shrFromInt(int other) { 269 int _shrFromInt(int other) {
270 if (other < 0) { 270 if (other < 0) {
271 return -1; 271 return -1;
272 } else { 272 } else {
273 return 0; 273 return 0;
274 } 274 }
275 } 275 }
276 int _shlFromInt(int other) { 276 int _shlFromInt(int other) native "Mint_shlFromInt";
277 throw const OutOfMemoryError();
278 }
279 } 277 }
280 278
281 // A number that can be represented as Smi or Mint will never be represented as 279 // A number that can be represented as Smi or Mint will never be represented as
282 // Bigint. 280 // Bigint.
283 class _Bigint extends _IntegerImplementation implements int { 281 class _Bigint extends _IntegerImplementation implements int {
284 factory _Bigint._uninstantiable() { 282 factory _Bigint._uninstantiable() {
285 throw new UnsupportedError( 283 throw new UnsupportedError(
286 "_Bigint can only be allocated by the VM"); 284 "_Bigint can only be allocated by the VM");
287 } 285 }
288 int get hashCode { 286 int get hashCode {
289 return this; 287 return this;
290 } 288 }
291 int operator ~() native "Bigint_bitNegate"; 289 int operator ~() native "Bigint_bitNegate";
292 290
293 // Shift by bigint exceeds range that can be handled by the VM. 291 // Shift by bigint exceeds range that can be handled by the VM.
294 int _shrFromInt(int other) { 292 int _shrFromInt(int other) {
295 if (other < 0) { 293 if (other < 0) {
296 return -1; 294 return -1;
297 } else { 295 } else {
298 return 0; 296 return 0;
299 } 297 }
300 } 298 }
301 int _shlFromInt(int other) { 299 int _shlFromInt(int other) native "Bigint_shlFromInt";
302 throw const OutOfMemoryError();
303 }
304 300
305 int pow(int exponent) { 301 int pow(int exponent) {
306 throw "Bigint.pow not implemented"; 302 throw "Bigint.pow not implemented";
307 } 303 }
308 } 304 }
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