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| 1901 | serge | 1 | /* |
| 2 | * Copyright © 2010 Intel Corporation |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice (including the next |
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| 12 | * paragraph) shall be included in all copies or substantial portions of the |
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| 13 | * Software. |
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| 14 | * |
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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| 21 | * DEALINGS IN THE SOFTWARE. |
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| 22 | */ |
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| 23 | |||
| 24 | /** |
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| 25 | * \file ir_rvalue_visitor.h |
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| 26 | * |
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| 27 | * Generic class to implement the common pattern we have of wanting to |
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| 28 | * visit each ir_rvalue * and possibly change that node to a different |
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| 29 | * class. Just implement handle_rvalue() and you will be called with |
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| 30 | * a pointer to each rvalue in the tree. |
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| 31 | */ |
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| 32 | |||
| 33 | class ir_rvalue_visitor : public ir_hierarchical_visitor { |
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| 34 | public: |
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| 35 | |||
| 36 | virtual ir_visitor_status visit_leave(ir_assignment *); |
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| 37 | virtual ir_visitor_status visit_leave(ir_call *); |
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| 38 | virtual ir_visitor_status visit_leave(ir_dereference_array *); |
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| 39 | virtual ir_visitor_status visit_leave(ir_dereference_record *); |
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| 40 | virtual ir_visitor_status visit_leave(ir_expression *); |
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| 41 | virtual ir_visitor_status visit_leave(ir_if *); |
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| 42 | virtual ir_visitor_status visit_leave(ir_return *); |
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| 43 | virtual ir_visitor_status visit_leave(ir_swizzle *); |
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| 44 | virtual ir_visitor_status visit_leave(ir_texture *); |
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| 45 | |||
| 46 | virtual void handle_rvalue(ir_rvalue **rvalue) = 0; |
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| 47 | }; |