66 lines
2.4 KiB
C++
66 lines
2.4 KiB
C++
/* -*- c++ -*- */
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/*
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* Copyright © 2010 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#ifndef IR_VISITOR_H
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#define IR_VISITOR_H
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/**
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* Abstract base class of visitors of IR instruction trees
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*/
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class ir_visitor {
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public:
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virtual ~ir_visitor()
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{
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/* empty */
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}
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/**
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* \name Visit methods
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*
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* As typical for the visitor pattern, there must be one \c visit method for
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* each concrete subclass of \c ir_instruction. Virtual base classes within
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* the hierarchy should not have \c visit methods.
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*/
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/*@{*/
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virtual void visit(class ir_variable *) = 0;
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virtual void visit(class ir_function_signature *) = 0;
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virtual void visit(class ir_function *) = 0;
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virtual void visit(class ir_expression *) = 0;
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virtual void visit(class ir_swizzle *) = 0;
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virtual void visit(class ir_dereference_variable *) = 0;
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virtual void visit(class ir_dereference_array *) = 0;
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virtual void visit(class ir_dereference_record *) = 0;
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virtual void visit(class ir_assignment *) = 0;
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virtual void visit(class ir_constant *) = 0;
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virtual void visit(class ir_call *) = 0;
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virtual void visit(class ir_return *) = 0;
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virtual void visit(class ir_if *) = 0;
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virtual void visit(class ir_loop *) = 0;
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virtual void visit(class ir_loop_jump *) = 0;
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/*@}*/
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};
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#endif /* IR_VISITOR_H */
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