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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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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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_AST_AST_VALUE_FACTORY_H_ | 28 #ifndef V8_AST_AST_VALUE_FACTORY_H_ |
29 #define V8_AST_AST_VALUE_FACTORY_H_ | 29 #define V8_AST_AST_VALUE_FACTORY_H_ |
30 | 30 |
31 #include "src/api.h" | 31 #include "src/api.h" |
32 #include "src/base/hashmap.h" | 32 #include "src/base/hashmap.h" |
| 33 #include "src/globals.h" |
33 #include "src/utils.h" | 34 #include "src/utils.h" |
34 | 35 |
35 // AstString, AstValue and AstValueFactory are for storing strings and values | 36 // AstString, AstValue and AstValueFactory are for storing strings and values |
36 // independent of the V8 heap and internalizing them later. During parsing, | 37 // independent of the V8 heap and internalizing them later. During parsing, |
37 // AstStrings and AstValues are created and stored outside the heap, in | 38 // AstStrings and AstValues are created and stored outside the heap, in |
38 // AstValueFactory. After parsing, the strings and values are internalized | 39 // AstValueFactory. After parsing, the strings and values are internalized |
39 // (moved into the V8 heap). | 40 // (moved into the V8 heap). |
40 namespace v8 { | 41 namespace v8 { |
41 namespace internal { | 42 namespace internal { |
42 | 43 |
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388 } | 389 } |
389 AstString* AddString(AstString* string) { | 390 AstString* AddString(AstString* string) { |
390 *strings_end_ = string; | 391 *strings_end_ = string; |
391 strings_end_ = string->next_location(); | 392 strings_end_ = string->next_location(); |
392 return string; | 393 return string; |
393 } | 394 } |
394 void ResetStrings() { | 395 void ResetStrings() { |
395 strings_ = nullptr; | 396 strings_ = nullptr; |
396 strings_end_ = &strings_; | 397 strings_end_ = &strings_; |
397 } | 398 } |
398 AstRawString* GetOneByteStringInternal(Vector<const uint8_t> literal); | 399 V8_EXPORT_PRIVATE AstRawString* GetOneByteStringInternal( |
| 400 Vector<const uint8_t> literal); |
399 AstRawString* GetTwoByteStringInternal(Vector<const uint16_t> literal); | 401 AstRawString* GetTwoByteStringInternal(Vector<const uint16_t> literal); |
400 AstRawString* GetString(uint32_t hash, bool is_one_byte, | 402 AstRawString* GetString(uint32_t hash, bool is_one_byte, |
401 Vector<const byte> literal_bytes); | 403 Vector<const byte> literal_bytes); |
402 | 404 |
403 static bool AstRawStringCompare(void* a, void* b); | 405 static bool AstRawStringCompare(void* a, void* b); |
404 | 406 |
405 // All strings are copied here, one after another (no NULLs inbetween). | 407 // All strings are copied here, one after another (no NULLs inbetween). |
406 base::CustomMatcherHashMap string_table_; | 408 base::CustomMatcherHashMap string_table_; |
407 // For keeping track of all AstValues and AstRawStrings we've created (so that | 409 // For keeping track of all AstValues and AstRawStrings we've created (so that |
408 // they can be internalized later). | 410 // they can be internalized later). |
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423 OTHER_CONSTANTS(F) | 425 OTHER_CONSTANTS(F) |
424 #undef F | 426 #undef F |
425 }; | 427 }; |
426 } // namespace internal | 428 } // namespace internal |
427 } // namespace v8 | 429 } // namespace v8 |
428 | 430 |
429 #undef STRING_CONSTANTS | 431 #undef STRING_CONSTANTS |
430 #undef OTHER_CONSTANTS | 432 #undef OTHER_CONSTANTS |
431 | 433 |
432 #endif // V8_AST_AST_VALUE_FACTORY_H_ | 434 #endif // V8_AST_AST_VALUE_FACTORY_H_ |
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