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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #ifndef V8_STRING_STREAM_H_ | 28 #ifndef V8_STRING_STREAM_H_ |
29 #define V8_STRING_STREAM_H_ | 29 #define V8_STRING_STREAM_H_ |
30 | 30 |
31 namespace v8 { namespace internal { | 31 namespace v8 { |
| 32 namespace internal { |
32 | 33 |
33 | 34 |
34 class StringAllocator { | 35 class StringAllocator { |
35 public: | 36 public: |
36 virtual ~StringAllocator() {} | 37 virtual ~StringAllocator() {} |
37 // Allocate a number of bytes. | 38 // Allocate a number of bytes. |
38 virtual char* allocate(unsigned bytes) = 0; | 39 virtual char* allocate(unsigned bytes) = 0; |
39 // Allocate a larger number of bytes and copy the old buffer to the new one. | 40 // Allocate a larger number of bytes and copy the old buffer to the new one. |
40 // bytes is an input and output parameter passing the old size of the buffer | 41 // bytes is an input and output parameter passing the old size of the buffer |
41 // and returning the new size. If allocation fails then we return the old | 42 // and returning the new size. If allocation fails then we return the old |
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188 bool full() const { return (capacity_ - length_) == 1; } | 189 bool full() const { return (capacity_ - length_) == 1; } |
189 int space() const { return capacity_ - length_; } | 190 int space() const { return capacity_ - length_; } |
190 | 191 |
191 DISALLOW_IMPLICIT_CONSTRUCTORS(StringStream); | 192 DISALLOW_IMPLICIT_CONSTRUCTORS(StringStream); |
192 }; | 193 }; |
193 | 194 |
194 | 195 |
195 } } // namespace v8::internal | 196 } } // namespace v8::internal |
196 | 197 |
197 #endif // V8_STRING_STREAM_H_ | 198 #endif // V8_STRING_STREAM_H_ |
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