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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 // 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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| 611 virtual void DropAndPlug(int count, Register reg) const = 0; | 611 virtual void DropAndPlug(int count, Register reg) const = 0; |
| 612 | 612 |
| 613 // Set up branch labels for a test expression. The three Label** parameters | 613 // Set up branch labels for a test expression. The three Label** parameters |
| 614 // are output parameters. | 614 // are output parameters. |
| 615 virtual void PrepareTest(Label* materialize_true, | 615 virtual void PrepareTest(Label* materialize_true, |
| 616 Label* materialize_false, | 616 Label* materialize_false, |
| 617 Label** if_true, | 617 Label** if_true, |
| 618 Label** if_false, | 618 Label** if_false, |
| 619 Label** fall_through) const = 0; | 619 Label** fall_through) const = 0; |
| 620 | 620 |
| 621 // Returns true if we are evaluating only for side effects (ie if the result | 621 // Returns true if we are evaluating only for side effects (i.e. if the |
| 622 // will be discarded). | 622 // result will be discarded). |
| 623 virtual bool IsEffect() const { return false; } | 623 virtual bool IsEffect() const { return false; } |
| 624 | 624 |
| 625 // Returns true if we are evaluating for the value (in accu/on stack). | 625 // Returns true if we are evaluating for the value (in accu/on stack). |
| 626 virtual bool IsAccumulatorValue() const { return false; } | 626 virtual bool IsAccumulatorValue() const { return false; } |
| 627 virtual bool IsStackValue() const { return false; } | 627 virtual bool IsStackValue() const { return false; } |
| 628 | 628 |
| 629 // Returns true if we are branching on the value rather than materializing | 629 // Returns true if we are branching on the value rather than materializing |
| 630 // it. Only used for asserts. | 630 // it. Only used for asserts. |
| 631 virtual bool IsTest() const { return false; } | 631 virtual bool IsTest() const { return false; } |
| 632 | 632 |
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| 761 | 761 |
| 762 friend class NestedStatement; | 762 friend class NestedStatement; |
| 763 | 763 |
| 764 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator); | 764 DISALLOW_COPY_AND_ASSIGN(FullCodeGenerator); |
| 765 }; | 765 }; |
| 766 | 766 |
| 767 | 767 |
| 768 } } // namespace v8::internal | 768 } } // namespace v8::internal |
| 769 | 769 |
| 770 #endif // V8_FULL_CODEGEN_H_ | 770 #endif // V8_FULL_CODEGEN_H_ |
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