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| 1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_CONVERSIONS_H_ | 5 #ifndef V8_CONVERSIONS_H_ |
| 6 #define V8_CONVERSIONS_H_ | 6 #define V8_CONVERSIONS_H_ |
| 7 | 7 |
| 8 #include <limits> | 8 #include <limits> |
| 9 | 9 |
| 10 #include "checks.h" | 10 #include "src/checks.h" |
| 11 #include "handles.h" | 11 #include "src/handles.h" |
| 12 #include "objects.h" | 12 #include "src/objects.h" |
| 13 #include "utils.h" | 13 #include "src/utils.h" |
| 14 | 14 |
| 15 namespace v8 { | 15 namespace v8 { |
| 16 namespace internal { | 16 namespace internal { |
| 17 | 17 |
| 18 class UnicodeCache; | 18 class UnicodeCache; |
| 19 | 19 |
| 20 // Maximum number of significant digits in decimal representation. | 20 // Maximum number of significant digits in decimal representation. |
| 21 // The longest possible double in decimal representation is | 21 // The longest possible double in decimal representation is |
| 22 // (2^53 - 1) * 2 ^ -1074 that is (2 ^ 53 - 1) * 5 ^ 1074 / 10 ^ 1074 | 22 // (2^53 - 1) * 2 ^ -1074 that is (2 ^ 53 - 1) * 5 ^ 1074 / 10 ^ 1074 |
| 23 // (768 digits). If we parse a number whose first digits are equal to a | 23 // (768 digits). If we parse a number whose first digits are equal to a |
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| 223 Object* number) { | 223 Object* number) { |
| 224 size_t result = 0; | 224 size_t result = 0; |
| 225 bool is_valid = TryNumberToSize(isolate, number, &result); | 225 bool is_valid = TryNumberToSize(isolate, number, &result); |
| 226 CHECK(is_valid); | 226 CHECK(is_valid); |
| 227 return result; | 227 return result; |
| 228 } | 228 } |
| 229 | 229 |
| 230 } } // namespace v8::internal | 230 } } // namespace v8::internal |
| 231 | 231 |
| 232 #endif // V8_CONVERSIONS_H_ | 232 #endif // V8_CONVERSIONS_H_ |
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