src/compiler/glsl/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 #ifndef IR_PRINT_VISITOR_H
  26 #define IR_PRINT_VISITOR_H
  27
  28 #include "ir.h"
  29 #include "ir_visitor.h"
  30
  31 #include "program/symbol_table.h"
  32
  33 /**
  34  * Abstract base class of visitors of IR instruction trees
  35  */
  36 class ir_print_visitor : public ir_visitor {
  37 public:
  38    ir_print_visitor(FILE *f);
  39    virtual ~ir_print_visitor();
  40
  41    void indent(void);
  42
  43    /**
  44     * \name Visit methods
  45     *
  46     * As typical for the visitor pattern, there must be one \c visit method for
  47     * each concrete subclass of \c ir_instruction.  Virtual base classes within
  48     * the hierarchy should not have \c visit methods.
  49     */
  50    /*@{*/
  51    virtual void visit(ir_rvalue *);
  52    virtual void visit(ir_variable *);
  53    virtual void visit(ir_function_signature *);
  54    virtual void visit(ir_function *);
  55    virtual void visit(ir_expression *);
  56    virtual void visit(ir_texture *);
  57    virtual void visit(ir_swizzle *);
  58    virtual void visit(ir_dereference_variable *);
  59    virtual void visit(ir_dereference_array *);
  60    virtual void visit(ir_dereference_record *);
  61    virtual void visit(ir_assignment *);
  62    virtual void visit(ir_constant *);
  63    virtual void visit(ir_call *);
  64    virtual void visit(ir_return *);
  65    virtual void visit(ir_discard *);
  66    virtual void visit(ir_demote *);
  67    virtual void visit(ir_if *);
  68    virtual void visit(ir_loop *);
  69    virtual void visit(ir_loop_jump *);
  70    virtual void visit(ir_emit_vertex *);
  71    virtual void visit(ir_end_primitive *);
  72    virtual void visit(ir_barrier *);
  73    /*@}*/
  74
  75 private:
  76    /**
  77     * Fetch/generate a unique name for ir_variable.
  78     *
  79     * GLSL IR permits multiple ir_variables to share the same name.  This works
  80     * fine until we try to print it, when we really need a unique one.
  81     */
  82    const char *unique_name(ir_variable *var);
  83
  84    /** A mapping from ir_variable * -> unique printable names. */
  85    hash_table *printable_names;
  86    _mesa_symbol_table *symbols;
  87
  88    void *mem_ctx;
  89    FILE *f;
  90
  91    int indentation;
  92 };
  93
  94 #endif /* IR_PRINT_VISITOR_H */