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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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635 | 635 |
636 // The number of arguments expected. nargs is -1 if the function takes | 636 // The number of arguments expected. nargs is -1 if the function takes |
637 // a variable number of arguments. | 637 // a variable number of arguments. |
638 int nargs; | 638 int nargs; |
639 // Size of result. Most functions return a single pointer, size 1. | 639 // Size of result. Most functions return a single pointer, size 1. |
640 int result_size; | 640 int result_size; |
641 }; | 641 }; |
642 | 642 |
643 static const int kNotFound = -1; | 643 static const int kNotFound = -1; |
644 | 644 |
645 // Add symbols for all the intrinsic function names to a StringDictionary. | 645 // Add internalized strings for all the intrinsic function names to a |
| 646 // StringDictionary. |
646 // Returns failure if an allocation fails. In this case, it must be | 647 // Returns failure if an allocation fails. In this case, it must be |
647 // retried with a new, empty StringDictionary, not with the same one. | 648 // retried with a new, empty StringDictionary, not with the same one. |
648 // Alternatively, heap initialization can be completely restarted. | 649 // Alternatively, heap initialization can be completely restarted. |
649 MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames( | 650 MUST_USE_RESULT static MaybeObject* InitializeIntrinsicFunctionNames( |
650 Heap* heap, Object* dictionary); | 651 Heap* heap, Object* dictionary); |
651 | 652 |
652 // Get the intrinsic function with the given name, which must be a symbol. | 653 // Get the intrinsic function with the given name, which must be internalized. |
653 static const Function* FunctionForSymbol(Handle<String> name); | 654 static const Function* FunctionForName(Handle<String> name); |
654 | 655 |
655 // Get the intrinsic function with the given FunctionId. | 656 // Get the intrinsic function with the given FunctionId. |
656 static const Function* FunctionForId(FunctionId id); | 657 static const Function* FunctionForId(FunctionId id); |
657 | 658 |
658 // General-purpose helper functions for runtime system. | 659 // General-purpose helper functions for runtime system. |
659 static int StringMatch(Isolate* isolate, | 660 static int StringMatch(Isolate* isolate, |
660 Handle<String> sub, | 661 Handle<String> sub, |
661 Handle<String> pat, | 662 Handle<String> pat, |
662 int index); | 663 int index); |
663 | 664 |
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711 //--------------------------------------------------------------------------- | 712 //--------------------------------------------------------------------------- |
712 // Constants used by interface to runtime functions. | 713 // Constants used by interface to runtime functions. |
713 | 714 |
714 class DeclareGlobalsEvalFlag: public BitField<bool, 0, 1> {}; | 715 class DeclareGlobalsEvalFlag: public BitField<bool, 0, 1> {}; |
715 class DeclareGlobalsNativeFlag: public BitField<bool, 1, 1> {}; | 716 class DeclareGlobalsNativeFlag: public BitField<bool, 1, 1> {}; |
716 class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {}; | 717 class DeclareGlobalsLanguageMode: public BitField<LanguageMode, 2, 2> {}; |
717 | 718 |
718 } } // namespace v8::internal | 719 } } // namespace v8::internal |
719 | 720 |
720 #endif // V8_RUNTIME_H_ | 721 #endif // V8_RUNTIME_H_ |
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