workbench/libs/mesa/src/glsl/ir_hierarchical_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
  24 #include "ir.h"
  25 #include "ir_hierarchical_visitor.h"
  26
  27 ir_hierarchical_visitor::ir_hierarchical_visitor()
  28 {
  29    this->base_ir = NULL;
  30    this->callback = NULL;
  31    this->data = NULL;
  32    this->in_assignee = false;
  33 }
  34
  35 ir_visitor_status
  36 ir_hierarchical_visitor::visit(ir_variable *ir)
  37 {
  38    if (this->callback != NULL)
  39       this->callback(ir, this->data);
  40
  41    return visit_continue;
  42 }
  43
  44 ir_visitor_status
  45 ir_hierarchical_visitor::visit(ir_constant *ir)
  46 {
  47    if (this->callback != NULL)
  48       this->callback(ir, this->data);
  49
  50    return visit_continue;
  51 }
  52
  53 ir_visitor_status
  54 ir_hierarchical_visitor::visit(ir_loop_jump *ir)
  55 {
  56    if (this->callback != NULL)
  57       this->callback(ir, this->data);
  58
  59    return visit_continue;
  60 }
  61
  62 ir_visitor_status
  63 ir_hierarchical_visitor::visit(ir_dereference_variable *ir)
  64 {
  65    if (this->callback != NULL)
  66       this->callback(ir, this->data);
  67
  68    return visit_continue;
  69 }
  70
  71 ir_visitor_status
  72 ir_hierarchical_visitor::visit_enter(ir_loop *ir)
  73 {
  74    if (this->callback != NULL)
  75       this->callback(ir, this->data);
  76
  77    return visit_continue;
  78 }
  79
  80 ir_visitor_status
  81 ir_hierarchical_visitor::visit_leave(ir_loop *ir)
  82 {
  83    (void) ir;
  84    return visit_continue;
  85 }
  86
  87 ir_visitor_status
  88 ir_hierarchical_visitor::visit_enter(ir_function_signature *ir)
  89 {
  90    if (this->callback != NULL)
  91       this->callback(ir, this->data);
  92
  93    return visit_continue;
  94 }
  95
  96 ir_visitor_status
  97 ir_hierarchical_visitor::visit_leave(ir_function_signature *ir)
  98 {
  99    (void) ir;
 100    return visit_continue;
 101 }
 102
 103 ir_visitor_status
 104 ir_hierarchical_visitor::visit_enter(ir_function *ir)
 105 {
 106    if (this->callback != NULL)
 107       this->callback(ir, this->data);
 108
 109    return visit_continue;
 110 }
 111
 112 ir_visitor_status
 113 ir_hierarchical_visitor::visit_leave(ir_function *ir)
 114 {
 115    (void) ir;
 116    return visit_continue;
 117 }
 118
 119 ir_visitor_status
 120 ir_hierarchical_visitor::visit_enter(ir_expression *ir)
 121 {
 122    if (this->callback != NULL)
 123       this->callback(ir, this->data);
 124
 125    return visit_continue;
 126 }
 127
 128 ir_visitor_status
 129 ir_hierarchical_visitor::visit_leave(ir_expression *ir)
 130 {
 131    (void) ir;
 132    return visit_continue;
 133 }
 134
 135 ir_visitor_status
 136 ir_hierarchical_visitor::visit_enter(ir_texture *ir)
 137 {
 138    if (this->callback != NULL)
 139       this->callback(ir, this->data);
 140
 141    return visit_continue;
 142 }
 143
 144 ir_visitor_status
 145 ir_hierarchical_visitor::visit_leave(ir_texture *ir)
 146 {
 147    (void) ir;
 148    return visit_continue;
 149 }
 150
 151 ir_visitor_status
 152 ir_hierarchical_visitor::visit_enter(ir_swizzle *ir)
 153 {
 154    if (this->callback != NULL)
 155       this->callback(ir, this->data);
 156
 157    return visit_continue;
 158 }
 159
 160 ir_visitor_status
 161 ir_hierarchical_visitor::visit_leave(ir_swizzle *ir)
 162 {
 163    (void) ir;
 164    return visit_continue;
 165 }
 166
 167 ir_visitor_status
 168 ir_hierarchical_visitor::visit_enter(ir_dereference_array *ir)
 169 {
 170    if (this->callback != NULL)
 171       this->callback(ir, this->data);
 172
 173    return visit_continue;
 174 }
 175
 176 ir_visitor_status
 177 ir_hierarchical_visitor::visit_leave(ir_dereference_array *ir)
 178 {
 179    (void) ir;
 180    return visit_continue;
 181 }
 182
 183 ir_visitor_status
 184 ir_hierarchical_visitor::visit_enter(ir_dereference_record *ir)
 185 {
 186    if (this->callback != NULL)
 187       this->callback(ir, this->data);
 188
 189    return visit_continue;
 190 }
 191
 192 ir_visitor_status
 193 ir_hierarchical_visitor::visit_leave(ir_dereference_record *ir)
 194 {
 195    (void) ir;
 196    return visit_continue;
 197 }
 198
 199 ir_visitor_status
 200 ir_hierarchical_visitor::visit_enter(ir_assignment *ir)
 201 {
 202    if (this->callback != NULL)
 203       this->callback(ir, this->data);
 204
 205    return visit_continue;
 206 }
 207
 208 ir_visitor_status
 209 ir_hierarchical_visitor::visit_leave(ir_assignment *ir)
 210 {
 211    (void) ir;
 212    return visit_continue;
 213 }
 214
 215 ir_visitor_status
 216 ir_hierarchical_visitor::visit_enter(ir_call *ir)
 217 {
 218    if (this->callback != NULL)
 219       this->callback(ir, this->data);
 220
 221    return visit_continue;
 222 }
 223
 224 ir_visitor_status
 225 ir_hierarchical_visitor::visit_leave(ir_call *ir)
 226 {
 227    (void) ir;
 228    return visit_continue;
 229 }
 230
 231 ir_visitor_status
 232 ir_hierarchical_visitor::visit_enter(ir_return *ir)
 233 {
 234    if (this->callback != NULL)
 235       this->callback(ir, this->data);
 236
 237    return visit_continue;
 238 }
 239
 240 ir_visitor_status
 241 ir_hierarchical_visitor::visit_leave(ir_return *ir)
 242 {
 243    (void) ir;
 244    return visit_continue;
 245 }
 246
 247 ir_visitor_status
 248 ir_hierarchical_visitor::visit_enter(ir_discard *ir)
 249 {
 250    if (this->callback != NULL)
 251       this->callback(ir, this->data);
 252
 253    return visit_continue;
 254 }
 255
 256 ir_visitor_status
 257 ir_hierarchical_visitor::visit_leave(ir_discard *ir)
 258 {
 259    (void) ir;
 260    return visit_continue;
 261 }
 262
 263 ir_visitor_status
 264 ir_hierarchical_visitor::visit_enter(ir_if *ir)
 265 {
 266    if (this->callback != NULL)
 267       this->callback(ir, this->data);
 268
 269    return visit_continue;
 270 }
 271
 272 ir_visitor_status
 273 ir_hierarchical_visitor::visit_leave(ir_if *ir)
 274 {
 275    (void) ir;
 276    return visit_continue;
 277 }
 278
 279 void
 280 ir_hierarchical_visitor::run(exec_list *instructions)
 281 {
 282    visit_list_elements(this, instructions);
 283 }
 284
 285
 286 void
 287 visit_tree(ir_instruction *ir,
 288            void (*callback)(class ir_instruction *ir, void *data),
 289            void *data)
 290 {
 291    ir_hierarchical_visitor v;
 292
 293    v.callback = callback;
 294    v.data = data;
 295
 296    ir->accept(&v);
 297 }