ir_print_visitor.cpp

   1 /*
   2  * Copyright © 2010 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23 #include <cstdio>
  24 #include "ir_print_visitor.h"
  25 #include "glsl_types.h"
  26
  27 static void
  28 print_type(const glsl_type *t)
  29 {
  30    if (t->base_type == GLSL_TYPE_ARRAY) {
  31       printf("array\n");
  32       printf("    (");
  33       print_type(t->fields.array);
  34       printf(")\n");
  35
  36       printf("    (%u)\n", t->length);
  37       printf(")");
  38    } else if (t->base_type == GLSL_TYPE_STRUCT) {
  39       printf("struct (%s %u\n", t->name ? t->name : "@", t->length);
  40       printf("    (FINISHME: structure fields go here)\n");
  41       printf(")");
  42    } else {
  43       printf("%s", t->name);
  44    }
  45 }
  46
  47
  48 void ir_print_visitor::visit(ir_variable *ir)
  49 {
  50    printf("(declare \n");
  51
  52    const char *const cent = (ir->centroid) ? "centroid " : "";
  53    const char *const inv = (ir->invariant) ? "invariant " : "";
  54    const char *const mode[] = { "", "uniform ", "in ", "out ", "inout " };
  55    const char *const interp[] = { "", "flat", "noperspective" };
  56
  57    printf("    (%s%s%s%s)\n",
  58           cent, inv, mode[ir->mode], interp[ir->interpolation]);
  59
  60    printf("    (");
  61    print_type(ir->type);
  62    printf(")\n");
  63
  64    printf("    (%s)\n", ir->name);
  65    printf(")\n");
  66 }
  67
  68
  69 void ir_print_visitor::visit(ir_label *ir)
  70 {
  71    printf("(label %s)\n", ir->label);
  72 }
  73
  74
  75 void ir_print_visitor::visit(ir_function_signature *ir)
  76 {
  77    printf("%s:%d:\n", __func__, __LINE__);
  78    (void) ir;
  79 }
  80
  81
  82 void ir_print_visitor::visit(ir_function *ir)
  83 {
  84    printf("(function %s\n", ir->name);
  85    printf(")\n");
  86 }
  87
  88
  89 void ir_print_visitor::visit(ir_expression *ir)
  90 {
  91    printf("%s:%d:\n", __func__, __LINE__);
  92    (void) ir;
  93 }
  94
  95
  96 void ir_print_visitor::visit(ir_dereference *ir)
  97 {
  98    printf("%s:%d:\n", __func__, __LINE__);
  99    (void) ir;
 100 }
 101
 102
 103 void ir_print_visitor::visit(ir_assignment *ir)
 104 {
 105    printf("(assign\n");
 106
 107    printf("    (");
 108    if (ir->condition)
 109       ir->condition->accept(this);
 110    else
 111       printf("true");
 112    printf(")\n");
 113
 114    printf("    (");
 115    ir->lhs->accept(this);
 116    printf(")\n");
 117
 118    printf("    (");
 119    ir->rhs->accept(this);
 120    printf(")\n");
 121 }
 122
 123
 124 void ir_print_visitor::visit(ir_constant *ir)
 125 {
 126    (void) ir;
 127
 128    printf("(constant\n");
 129    printf("    (");
 130    print_type(ir->type);
 131    printf(")\n");
 132    printf("    (FINISHME: value goes here)\n");
 133    printf(")\n");
 134 }
 135
 136
 137 void
 138 ir_print_visitor::visit(ir_call *ir)
 139 {
 140    (void) ir;
 141
 142    printf("(call FINISHME: function name here\n");
 143    printf("    (FINISHME: function paramaters here))\n");
 144 }
 145
 146
 147 void
 148 ir_print_visitor::visit(ir_return *ir)
 149 {
 150    printf("(return");
 151
 152    ir_expression *const value = ir->get_value();
 153    if (value) {
 154       printf(" ");
 155       value->accept(this);
 156    }
 157
 158    printf(")\n");
 159 }