ir_print_visitor.h

   1 /* -*- c++ -*- */
   2 /*
   3  * Copyright © 2010 Intel Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #pragma once
  26 #ifndef IR_PRINT_VISITOR_H
  27 #define IR_PRINT_VISITOR_H
  28
  29 #include "ir.h"
  30 #include "ir_visitor.h"
  31
  32 /**
  33  * Abstract base class of visitors of IR instruction trees
  34  */
  35 class ir_print_visitor : public ir_visitor {
  36 public:
  37    ir_print_visitor()
  38       : deref_depth(0)
  39    {
  40       /* empty */
  41    }
  42
  43    virtual ~ir_print_visitor()
  44    {
  45       /* empty */
  46    }
  47
  48    /**
  49     * \name Visit methods
  50     *
  51     * As typical for the visitor pattern, there must be one \c visit method for
  52     * each concrete subclass of \c ir_instruction.  Virtual base classes within
  53     * the hierarchy should not have \c visit methods.
  54     */
  55    /*@{*/
  56    virtual void visit(ir_variable *);
  57    virtual void visit(ir_label *);
  58    virtual void visit(ir_function_signature *);
  59    virtual void visit(ir_function *);
  60    virtual void visit(ir_expression *);
  61    virtual void visit(ir_swizzle *);
  62    virtual void visit(ir_dereference *);
  63    virtual void visit(ir_assignment *);
  64    virtual void visit(ir_constant *);
  65    virtual void visit(ir_call *);
  66    virtual void visit(ir_return *);
  67    virtual void visit(ir_if *);
  68    /*@}*/
  69
  70 private:
  71    int deref_depth;
  72 };
  73
  74 #endif /* IR_PRINT_VISITOR_H */