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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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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_SCANNER_H_ | 28 #ifndef V8_SCANNER_H_ |
29 #define V8_SCANNER_H_ | 29 #define V8_SCANNER_H_ |
30 | 30 |
31 #include "token.h" | 31 #include "token.h" |
32 #include "char-predicates-inl.h" | 32 #include "char-predicates-inl.h" |
33 | 33 |
34 namespace v8 { namespace internal { | 34 namespace v8 { |
| 35 namespace internal { |
35 | 36 |
36 | 37 |
37 class UTF8Buffer { | 38 class UTF8Buffer { |
38 public: | 39 public: |
39 UTF8Buffer(); | 40 UTF8Buffer(); |
40 ~UTF8Buffer(); | 41 ~UTF8Buffer(); |
41 | 42 |
42 void AddChar(uc32 c) { | 43 void AddChar(uc32 c) { |
43 if (cursor_ <= limit_ && | 44 if (cursor_ <= limit_ && |
44 static_cast<unsigned>(c) <= unibrow::Utf8::kMaxOneByteChar) { | 45 static_cast<unsigned>(c) <= unibrow::Utf8::kMaxOneByteChar) { |
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246 } | 247 } |
247 | 248 |
248 // Decodes a unicode escape-sequence which is part of an identifier. | 249 // Decodes a unicode escape-sequence which is part of an identifier. |
249 // If the escape sequence cannot be decoded the result is kBadRune. | 250 // If the escape sequence cannot be decoded the result is kBadRune. |
250 uc32 ScanIdentifierUnicodeEscape(); | 251 uc32 ScanIdentifierUnicodeEscape(); |
251 }; | 252 }; |
252 | 253 |
253 } } // namespace v8::internal | 254 } } // namespace v8::internal |
254 | 255 |
255 #endif // V8_SCANNER_H_ | 256 #endif // V8_SCANNER_H_ |
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