| /* |
| * Copyright © 2010 Intel Corporation |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /** |
| * \file ir_rvalue_visitor.h |
| * |
| * Generic class to implement the common pattern we have of wanting to |
| * visit each ir_rvalue * and possibly change that node to a different |
| * class. Just implement handle_rvalue() and you will be called with |
| * a pointer to each rvalue in the tree. |
| */ |
| |
| class ir_rvalue_base_visitor : public ir_hierarchical_visitor { |
| public: |
| ir_visitor_status rvalue_visit(ir_assignment *); |
| ir_visitor_status rvalue_visit(ir_call *); |
| ir_visitor_status rvalue_visit(ir_dereference_array *); |
| ir_visitor_status rvalue_visit(ir_dereference_record *); |
| ir_visitor_status rvalue_visit(ir_discard *); |
| ir_visitor_status rvalue_visit(ir_expression *); |
| ir_visitor_status rvalue_visit(ir_if *); |
| ir_visitor_status rvalue_visit(ir_return *); |
| ir_visitor_status rvalue_visit(ir_swizzle *); |
| ir_visitor_status rvalue_visit(ir_texture *); |
| ir_visitor_status rvalue_visit(ir_emit_vertex *); |
| ir_visitor_status rvalue_visit(ir_end_primitive *); |
| |
| virtual void handle_rvalue(ir_rvalue **rvalue) = 0; |
| }; |
| |
| class ir_rvalue_visitor : public ir_rvalue_base_visitor { |
| public: |
| |
| virtual ir_visitor_status visit_leave(ir_assignment *); |
| virtual ir_visitor_status visit_leave(ir_call *); |
| virtual ir_visitor_status visit_leave(ir_dereference_array *); |
| virtual ir_visitor_status visit_leave(ir_dereference_record *); |
| virtual ir_visitor_status visit_leave(ir_discard *); |
| virtual ir_visitor_status visit_leave(ir_expression *); |
| virtual ir_visitor_status visit_leave(ir_if *); |
| virtual ir_visitor_status visit_leave(ir_return *); |
| virtual ir_visitor_status visit_leave(ir_swizzle *); |
| virtual ir_visitor_status visit_leave(ir_texture *); |
| virtual ir_visitor_status visit_leave(ir_emit_vertex *); |
| virtual ir_visitor_status visit_leave(ir_end_primitive *); |
| }; |
| |
| class ir_rvalue_enter_visitor : public ir_rvalue_base_visitor { |
| public: |
| |
| virtual ir_visitor_status visit_enter(ir_assignment *); |
| virtual ir_visitor_status visit_enter(ir_call *); |
| virtual ir_visitor_status visit_enter(ir_dereference_array *); |
| virtual ir_visitor_status visit_enter(ir_dereference_record *); |
| virtual ir_visitor_status visit_enter(ir_discard *); |
| virtual ir_visitor_status visit_enter(ir_expression *); |
| virtual ir_visitor_status visit_enter(ir_if *); |
| virtual ir_visitor_status visit_enter(ir_return *); |
| virtual ir_visitor_status visit_enter(ir_swizzle *); |
| virtual ir_visitor_status visit_enter(ir_texture *); |
| virtual ir_visitor_status visit_enter(ir_emit_vertex *); |
| virtual ir_visitor_status visit_enter(ir_end_primitive *); |
| }; |