dlls/d3dcompiler_43/hlsl.y

   1 /*
   2  * HLSL parser
   3  *
   4  * Copyright 2008 Stefan Dösinger
   5  * Copyright 2012 Matteo Bruni for CodeWeavers
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21 %{
  22 #include "config.h"
  23 #include "wine/debug.h"
  24
  25 #include <stdio.h>
  26
  27 #include "d3dcompiler_private.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(hlsl_parser);
  30
  31 int hlsl_lex(void);
  32
  33 struct hlsl_parse_ctx hlsl_ctx;
  34
  35 struct YYLTYPE;
  36 static void set_location(struct source_location *loc, const struct YYLTYPE *l);
  37
  38 void hlsl_message(const char *fmt, ...)
  39 {
  40     va_list args;
  41
  42     va_start(args, fmt);
  43     compilation_message(&hlsl_ctx.messages, fmt, args);
  44     va_end(args);
  45 }
  46
  47 static const char *hlsl_get_error_level_name(enum hlsl_error_level level)
  48 {
  49     static const char * const names[] =
  50     {
  51         "error",
  52         "warning",
  53         "note",
  54     };
  55     return names[level];
  56 }
  57
  58 void hlsl_report_message(const char *filename, DWORD line, DWORD column,
  59         enum hlsl_error_level level, const char *fmt, ...)
  60 {
  61     va_list args;
  62     char *string = NULL;
  63     int rc, size = 0;
  64
  65     while (1)
  66     {
  67         va_start(args, fmt);
  68         rc = vsnprintf(string, size, fmt, args);
  69         va_end(args);
  70
  71         if (rc >= 0 && rc < size)
  72             break;
  73
  74         if (rc >= size)
  75             size = rc + 1;
  76         else
  77             size = size ? size * 2 : 32;
  78
  79         if (!string)
  80             string = d3dcompiler_alloc(size);
  81         else
  82             string = d3dcompiler_realloc(string, size);
  83         if (!string)
  84         {
  85             ERR("Error reallocating memory for a string.\n");
  86             return;
  87         }
  88     }
  89
  90     hlsl_message("%s:%u:%u: %s: %s\n", filename, line, column, hlsl_get_error_level_name(level), string);
  91     d3dcompiler_free(string);
  92
  93     if (level == HLSL_LEVEL_ERROR)
  94         set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  95     else if (level == HLSL_LEVEL_WARNING)
  96         set_parse_status(&hlsl_ctx.status, PARSE_WARN);
  97 }
  98
  99 static void hlsl_error(const char *s)
 100 {
 101     hlsl_report_message(hlsl_ctx.source_file, hlsl_ctx.line_no, hlsl_ctx.column, HLSL_LEVEL_ERROR, "%s", s);
 102 }
 103
 104 static void debug_dump_decl(struct hlsl_type *type, DWORD modifiers, const char *declname, unsigned int line_no)
 105 {
 106     TRACE("Line %u: ", line_no);
 107     if (modifiers)
 108         TRACE("%s ", debug_modifiers(modifiers));
 109     TRACE("%s %s;\n", debug_hlsl_type(type), declname);
 110 }
 111
 112 static void check_invalid_matrix_modifiers(DWORD modifiers, struct source_location *loc)
 113 {
 114     if (modifiers & (HLSL_MODIFIER_ROW_MAJOR | HLSL_MODIFIER_COLUMN_MAJOR))
 115     {
 116         hlsl_report_message(loc->file, loc->line, loc->col, HLSL_LEVEL_ERROR,
 117                 "'row_major' or 'column_major' modifiers are only allowed for matrices");
 118     }
 119 }
 120
 121 static BOOL declare_variable(struct hlsl_ir_var *decl, BOOL local)
 122 {
 123     BOOL ret;
 124
 125     TRACE("Declaring variable %s.\n", decl->name);
 126     if (decl->node.data_type->type == HLSL_CLASS_MATRIX)
 127     {
 128         if (!(decl->modifiers & (HLSL_MODIFIER_ROW_MAJOR | HLSL_MODIFIER_COLUMN_MAJOR)))
 129         {
 130             decl->modifiers |= hlsl_ctx.matrix_majority == HLSL_ROW_MAJOR
 131                     ? HLSL_MODIFIER_ROW_MAJOR : HLSL_MODIFIER_COLUMN_MAJOR;
 132         }
 133     }
 134     else
 135         check_invalid_matrix_modifiers(decl->modifiers, &decl->node.loc);
 136
 137     if (local)
 138     {
 139         DWORD invalid = decl->modifiers & (HLSL_STORAGE_EXTERN | HLSL_STORAGE_SHARED
 140                 | HLSL_STORAGE_GROUPSHARED | HLSL_STORAGE_UNIFORM);
 141         if (invalid)
 142         {
 143             hlsl_report_message(decl->node.loc.file, decl->node.loc.line, decl->node.loc.col, HLSL_LEVEL_ERROR,
 144                     "modifier '%s' invalid for local variables", debug_modifiers(invalid));
 145         }
 146         if (decl->semantic)
 147         {
 148             hlsl_report_message(decl->node.loc.file, decl->node.loc.line, decl->node.loc.col, HLSL_LEVEL_ERROR,
 149                     "semantics are not allowed on local variables");
 150             return FALSE;
 151         }
 152     }
 153     else
 154     {
 155         if (find_function(decl->name))
 156         {
 157             hlsl_report_message(decl->node.loc.file, decl->node.loc.line, decl->node.loc.col, HLSL_LEVEL_ERROR,
 158                     "redefinition of '%s'", decl->name);
 159             return FALSE;
 160         }
 161     }
 162     ret = add_declaration(hlsl_ctx.cur_scope, decl, local);
 163     if (!ret)
 164     {
 165         struct hlsl_ir_var *old = get_variable(hlsl_ctx.cur_scope, decl->name);
 166
 167         hlsl_report_message(decl->node.loc.file, decl->node.loc.line, decl->node.loc.col, HLSL_LEVEL_ERROR,
 168                 "\"%s\" already declared", decl->name);
 169         hlsl_report_message(old->node.loc.file, old->node.loc.line, old->node.loc.col, HLSL_LEVEL_NOTE,
 170                 "\"%s\" was previously declared here", old->name);
 171         return FALSE;
 172     }
 173     return TRUE;
 174 }
 175
 176 static DWORD add_modifier(DWORD modifiers, DWORD mod, const struct YYLTYPE *loc);
 177
 178 static BOOL check_type_modifiers(DWORD modifiers, struct source_location *loc)
 179 {
 180     if (modifiers & ~HLSL_TYPE_MODIFIERS_MASK)
 181     {
 182         hlsl_report_message(loc->file, loc->line, loc->col, HLSL_LEVEL_ERROR,
 183                 "modifier not allowed on typedefs");
 184         return FALSE;
 185     }
 186     return TRUE;
 187 }
 188
 189 static BOOL add_type_to_scope(struct hlsl_scope *scope, struct hlsl_type *def)
 190 {
 191     if (get_type(scope, def->name, FALSE))
 192         return FALSE;
 193
 194     wine_rb_put(&scope->types, def->name, &def->scope_entry);
 195     return TRUE;
 196 }
 197
 198 static void declare_predefined_types(struct hlsl_scope *scope)
 199 {
 200     struct hlsl_type *type;
 201     unsigned int x, y, bt;
 202     static const char * const names[] =
 203     {
 204         "float",
 205         "half",
 206         "double",
 207         "int",
 208         "uint",
 209         "bool",
 210     };
 211     char name[10];
 212
 213     for (bt = 0; bt <= HLSL_TYPE_LAST_SCALAR; ++bt)
 214     {
 215         for (y = 1; y <= 4; ++y)
 216         {
 217             for (x = 1; x <= 4; ++x)
 218             {
 219                 sprintf(name, "%s%ux%u", names[bt], x, y);
 220                 type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_MATRIX, bt, x, y);
 221                 add_type_to_scope(scope, type);
 222
 223                 if (y == 1)
 224                 {
 225                     sprintf(name, "%s%u", names[bt], x);
 226                     type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_VECTOR, bt, x, y);
 227                     add_type_to_scope(scope, type);
 228
 229                     if (x == 1)
 230                     {
 231                         sprintf(name, "%s", names[bt]);
 232                         type = new_hlsl_type(d3dcompiler_strdup(name), HLSL_CLASS_SCALAR, bt, x, y);
 233                         add_type_to_scope(scope, type);
 234                     }
 235                 }
 236             }
 237         }
 238     }
 239
 240     /* DX8 effects predefined types */
 241     type = new_hlsl_type(d3dcompiler_strdup("DWORD"), HLSL_CLASS_SCALAR, HLSL_TYPE_INT, 1, 1);
 242     add_type_to_scope(scope, type);
 243     type = new_hlsl_type(d3dcompiler_strdup("FLOAT"), HLSL_CLASS_SCALAR, HLSL_TYPE_FLOAT, 1, 1);
 244     add_type_to_scope(scope, type);
 245     type = new_hlsl_type(d3dcompiler_strdup("VECTOR"), HLSL_CLASS_VECTOR, HLSL_TYPE_FLOAT, 4, 1);
 246     add_type_to_scope(scope, type);
 247     type = new_hlsl_type(d3dcompiler_strdup("MATRIX"), HLSL_CLASS_MATRIX, HLSL_TYPE_FLOAT, 4, 4);
 248     add_type_to_scope(scope, type);
 249     type = new_hlsl_type(d3dcompiler_strdup("STRING"), HLSL_CLASS_OBJECT, HLSL_TYPE_STRING, 1, 1);
 250     add_type_to_scope(scope, type);
 251     type = new_hlsl_type(d3dcompiler_strdup("TEXTURE"), HLSL_CLASS_OBJECT, HLSL_TYPE_TEXTURE, 1, 1);
 252     add_type_to_scope(scope, type);
 253     type = new_hlsl_type(d3dcompiler_strdup("PIXELSHADER"), HLSL_CLASS_OBJECT, HLSL_TYPE_PIXELSHADER, 1, 1);
 254     add_type_to_scope(scope, type);
 255     type = new_hlsl_type(d3dcompiler_strdup("VERTEXSHADER"), HLSL_CLASS_OBJECT, HLSL_TYPE_VERTEXSHADER, 1, 1);
 256     add_type_to_scope(scope, type);
 257 }
 258
 259 static struct hlsl_ir_if *loop_condition(struct list *cond_list)
 260 {
 261     struct hlsl_ir_if *out_cond;
 262     struct hlsl_ir_expr *not_cond;
 263     struct hlsl_ir_node *cond, *operands[3];
 264     struct hlsl_ir_jump *jump;
 265     unsigned int count = list_count(cond_list);
 266
 267     if (!count)
 268         return NULL;
 269     if (count != 1)
 270         ERR("Got multiple expressions in a for condition.\n");
 271
 272     cond = LIST_ENTRY(list_head(cond_list), struct hlsl_ir_node, entry);
 273     out_cond = d3dcompiler_alloc(sizeof(*out_cond));
 274     if (!out_cond)
 275     {
 276         ERR("Out of memory.\n");
 277         return NULL;
 278     }
 279     out_cond->node.type = HLSL_IR_IF;
 280     operands[0] = cond;
 281     operands[1] = operands[2] = NULL;
 282     not_cond = new_expr(HLSL_IR_UNOP_LOGIC_NOT, operands, &cond->loc);
 283     if (!not_cond)
 284     {
 285         ERR("Out of memory.\n");
 286         d3dcompiler_free(out_cond);
 287         return NULL;
 288     }
 289     out_cond->condition = &not_cond->node;
 290     jump = d3dcompiler_alloc(sizeof(*jump));
 291     if (!jump)
 292     {
 293         ERR("Out of memory.\n");
 294         d3dcompiler_free(out_cond);
 295         d3dcompiler_free(not_cond);
 296         return NULL;
 297     }
 298     jump->node.type = HLSL_IR_JUMP;
 299     jump->type = HLSL_IR_JUMP_BREAK;
 300     out_cond->then_instrs = d3dcompiler_alloc(sizeof(*out_cond->then_instrs));
 301     if (!out_cond->then_instrs)
 302     {
 303         ERR("Out of memory.\n");
 304         d3dcompiler_free(out_cond);
 305         d3dcompiler_free(not_cond);
 306         d3dcompiler_free(jump);
 307         return NULL;
 308     }
 309     list_init(out_cond->then_instrs);
 310     list_add_head(out_cond->then_instrs, &jump->node.entry);
 311
 312     return out_cond;
 313 }
 314
 315 enum loop_type
 316 {
 317     LOOP_FOR,
 318     LOOP_WHILE,
 319     LOOP_DO_WHILE
 320 };
 321
 322 static struct list *create_loop(enum loop_type type, struct list *init, struct list *cond,
 323         struct hlsl_ir_node *iter, struct list *body, struct source_location *loc)
 324 {
 325     struct list *list = NULL;
 326     struct hlsl_ir_loop *loop = NULL;
 327     struct hlsl_ir_if *cond_jump = NULL;
 328
 329     list = d3dcompiler_alloc(sizeof(*list));
 330     if (!list)
 331         goto oom;
 332     list_init(list);
 333
 334     if (init)
 335         list_move_head(list, init);
 336
 337     loop = d3dcompiler_alloc(sizeof(*loop));
 338     if (!loop)
 339         goto oom;
 340     loop->node.type = HLSL_IR_LOOP;
 341     loop->node.loc = *loc;
 342     list_add_tail(list, &loop->node.entry);
 343     loop->body = d3dcompiler_alloc(sizeof(*loop->body));
 344     if (!loop->body)
 345         goto oom;
 346     list_init(loop->body);
 347
 348     cond_jump = loop_condition(cond);
 349     if (!cond_jump)
 350         goto oom;
 351
 352     if (type != LOOP_DO_WHILE)
 353         list_add_tail(loop->body, &cond_jump->node.entry);
 354
 355     list_move_tail(loop->body, body);
 356
 357     if (iter)
 358         list_add_tail(loop->body, &iter->entry);
 359
 360     if (type == LOOP_DO_WHILE)
 361         list_add_tail(loop->body, &cond_jump->node.entry);
 362
 363     d3dcompiler_free(init);
 364     d3dcompiler_free(cond);
 365     d3dcompiler_free(body);
 366     return list;
 367
 368 oom:
 369     ERR("Out of memory.\n");
 370     if (loop)
 371         d3dcompiler_free(loop->body);
 372     d3dcompiler_free(loop);
 373     d3dcompiler_free(cond_jump);
 374     d3dcompiler_free(list);
 375     free_instr_list(init);
 376     free_instr_list(cond);
 377     free_instr(iter);
 378     free_instr_list(body);
 379     return NULL;
 380 }
 381
 382 static unsigned int initializer_size(struct list *initializer)
 383 {
 384     unsigned int count = 0;
 385     struct hlsl_ir_node *node;
 386
 387     LIST_FOR_EACH_ENTRY(node, initializer, struct hlsl_ir_node, entry)
 388     {
 389         count += components_count_type(node->data_type);
 390     }
 391     TRACE("Initializer size = %u\n", count);
 392     return count;
 393 }
 394
 395 static unsigned int components_count_expr_list(struct list *list)
 396 {
 397     struct hlsl_ir_node *node;
 398     unsigned int count = 0;
 399
 400     LIST_FOR_EACH_ENTRY(node, list, struct hlsl_ir_node, entry)
 401     {
 402         count += components_count_type(node->data_type);
 403     }
 404     return count;
 405 }
 406
 407 static struct hlsl_ir_swizzle *new_swizzle(DWORD s, unsigned int components,
 408         struct hlsl_ir_node *val, struct source_location *loc)
 409 {
 410     struct hlsl_ir_swizzle *swizzle = d3dcompiler_alloc(sizeof(*swizzle));
 411
 412     if (!swizzle)
 413         return NULL;
 414     swizzle->node.type = HLSL_IR_SWIZZLE;
 415     swizzle->node.loc = *loc;
 416     swizzle->node.data_type = new_hlsl_type(NULL, HLSL_CLASS_VECTOR, val->data_type->base_type, components, 1);
 417     swizzle->val = val;
 418     swizzle->swizzle = s;
 419     return swizzle;
 420 }
 421
 422 static struct hlsl_ir_swizzle *get_swizzle(struct hlsl_ir_node *value, const char *swizzle,
 423         struct source_location *loc)
 424 {
 425     unsigned int len = strlen(swizzle), component = 0;
 426     unsigned int i, set, swiz = 0;
 427     BOOL valid;
 428
 429     if (value->data_type->type == HLSL_CLASS_MATRIX)
 430     {
 431         /* Matrix swizzle */
 432         BOOL m_swizzle;
 433         unsigned int inc, x, y;
 434
 435         if (len < 3 || swizzle[0] != '_')
 436             return NULL;
 437         m_swizzle = swizzle[1] == 'm';
 438         inc = m_swizzle ? 4 : 3;
 439
 440         if (len % inc || len > inc * 4)
 441             return NULL;
 442
 443         for (i = 0; i < len; i += inc)
 444         {
 445             if (swizzle[i] != '_')
 446                 return NULL;
 447             if (m_swizzle)
 448             {
 449                 if (swizzle[i + 1] != 'm')
 450                     return NULL;
 451                 x = swizzle[i + 2] - '0';
 452                 y = swizzle[i + 3] - '0';
 453             }
 454             else
 455             {
 456                 x = swizzle[i + 1] - '1';
 457                 y = swizzle[i + 2] - '1';
 458             }
 459
 460             if (x >= value->data_type->dimx || y >= value->data_type->dimy)
 461                 return NULL;
 462             swiz |= (y << 4 | x) << component * 8;
 463             component++;
 464         }
 465         return new_swizzle(swiz, component, value, loc);
 466     }
 467
 468     /* Vector swizzle */
 469     if (len > 4)
 470         return NULL;
 471
 472     for (set = 0; set < 2; ++set)
 473     {
 474         valid = TRUE;
 475         component = 0;
 476         for (i = 0; i < len; ++i)
 477         {
 478             char c[2][4] = {{'x', 'y', 'z', 'w'}, {'r', 'g', 'b', 'a'}};
 479             unsigned int s = 0;
 480
 481             for (s = 0; s < 4; ++s)
 482             {
 483                 if (swizzle[i] == c[set][s])
 484                     break;
 485             }
 486             if (s == 4)
 487             {
 488                 valid = FALSE;
 489                 break;
 490             }
 491
 492             if (s >= value->data_type->dimx)
 493                 return NULL;
 494             swiz |= s << component * 2;
 495             component++;
 496         }
 497         if (valid)
 498             return new_swizzle(swiz, component, value, loc);
 499     }
 500
 501     return NULL;
 502 }
 503
 504 static void struct_var_initializer(struct list *list, struct hlsl_ir_var *var, struct list *initializer)
 505 {
 506     struct hlsl_type *type = var->node.data_type;
 507     struct hlsl_ir_node *node;
 508     struct hlsl_struct_field *field;
 509     struct list *cur_node;
 510     struct hlsl_ir_node *assignment;
 511     struct hlsl_ir_deref *deref;
 512
 513     if (initializer_size(initializer) != components_count_type(type))
 514     {
 515         hlsl_report_message(var->node.loc.file, var->node.loc.line, var->node.loc.col, HLSL_LEVEL_ERROR,
 516                 "structure initializer mismatch");
 517         free_instr_list(initializer);
 518         return;
 519     }
 520     cur_node = list_head(initializer);
 521     assert(cur_node);
 522     node = LIST_ENTRY(cur_node, struct hlsl_ir_node, entry);
 523     LIST_FOR_EACH_ENTRY(field, type->e.elements, struct hlsl_struct_field, entry)
 524     {
 525         if (!cur_node)
 526         {
 527             d3dcompiler_free(initializer);
 528             return;
 529         }
 530         if (components_count_type(field->type) == components_count_type(node->data_type))
 531         {
 532             deref = new_record_deref(&var->node, field);
 533             if (!deref)
 534             {
 535                 ERR("Out of memory.\n");
 536                 break;
 537             }
 538             deref->node.loc = node->loc;
 539             assignment = make_assignment(&deref->node, ASSIGN_OP_ASSIGN, BWRITERSP_WRITEMASK_ALL, node);
 540             list_add_tail(list, &assignment->entry);
 541         }
 542         else
 543             FIXME("Initializing with \"mismatched\" fields is not supported yet.\n");
 544         cur_node = list_next(initializer, cur_node);
 545         node = LIST_ENTRY(cur_node, struct hlsl_ir_node, entry);
 546     }
 547
 548     /* Free initializer elements in excess. */
 549     while (cur_node)
 550     {
 551         struct list *next = list_next(initializer, cur_node);
 552         free_instr(node);
 553         cur_node = next;
 554         node = LIST_ENTRY(cur_node, struct hlsl_ir_node, entry);
 555     }
 556     d3dcompiler_free(initializer);
 557 }
 558
 559 static struct list *declare_vars(struct hlsl_type *basic_type, DWORD modifiers, struct list *var_list)
 560 {
 561     struct hlsl_type *type;
 562     struct parse_variable_def *v, *v_next;
 563     struct hlsl_ir_var *var;
 564     struct hlsl_ir_node *assignment;
 565     BOOL ret, local = TRUE;
 566     struct list *statements_list = d3dcompiler_alloc(sizeof(*statements_list));
 567
 568     if (!statements_list)
 569     {
 570         ERR("Out of memory.\n");
 571         LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry)
 572             d3dcompiler_free(v);
 573         d3dcompiler_free(var_list);
 574         return NULL;
 575     }
 576     list_init(statements_list);
 577
 578     if (!var_list)
 579         return statements_list;
 580
 581     LIST_FOR_EACH_ENTRY_SAFE(v, v_next, var_list, struct parse_variable_def, entry)
 582     {
 583         var = d3dcompiler_alloc(sizeof(*var));
 584         if (!var)
 585         {
 586             ERR("Out of memory.\n");
 587             d3dcompiler_free(v);
 588             continue;
 589         }
 590         var->node.type = HLSL_IR_VAR;
 591         if (v->array_size)
 592             type = new_array_type(basic_type, v->array_size);
 593         else
 594             type = basic_type;
 595         var->node.data_type = type;
 596         var->node.loc = v->loc;
 597         var->name = v->name;
 598         var->modifiers = modifiers;
 599         var->semantic = v->semantic;
 600         var->reg_reservation = v->reg_reservation;
 601         debug_dump_decl(type, modifiers, v->name, v->loc.line);
 602
 603         if (hlsl_ctx.cur_scope == hlsl_ctx.globals)
 604         {
 605             var->modifiers |= HLSL_STORAGE_UNIFORM;
 606             local = FALSE;
 607         }
 608
 609         if (var->modifiers & HLSL_MODIFIER_CONST && !(var->modifiers & HLSL_STORAGE_UNIFORM) && !v->initializer)
 610         {
 611             hlsl_report_message(v->loc.file, v->loc.line, v->loc.col,
 612                     HLSL_LEVEL_ERROR, "const variable without initializer");
 613             free_declaration(var);
 614             d3dcompiler_free(v);
 615             continue;
 616         }
 617
 618         ret = declare_variable(var, local);
 619         if (!ret)
 620         {
 621             free_declaration(var);
 622             d3dcompiler_free(v);
 623             continue;
 624         }
 625         TRACE("Declared variable %s.\n", var->name);
 626
 627         if (v->initializer)
 628         {
 629             unsigned int size = initializer_size(v->initializer);
 630             struct hlsl_ir_node *node;
 631
 632             TRACE("Variable with initializer.\n");
 633             if (type->type <= HLSL_CLASS_LAST_NUMERIC
 634                     && type->dimx * type->dimy != size && size != 1)
 635             {
 636                 if (size < type->dimx * type->dimy)
 637                 {
 638                     hlsl_report_message(v->loc.file, v->loc.line, v->loc.col, HLSL_LEVEL_ERROR,
 639                             "'%s' initializer does not match", v->name);
 640                     free_instr_list(v->initializer);
 641                     d3dcompiler_free(v);
 642                     continue;
 643                 }
 644             }
 645             if ((type->type == HLSL_CLASS_STRUCT || type->type == HLSL_CLASS_ARRAY)
 646                     && components_count_type(type) != size)
 647             {
 648                 hlsl_report_message(v->loc.file, v->loc.line, v->loc.col, HLSL_LEVEL_ERROR,
 649                         "'%s' initializer does not match", v->name);
 650                 free_instr_list(v->initializer);
 651                 d3dcompiler_free(v);
 652                 continue;
 653             }
 654
 655             if (type->type == HLSL_CLASS_STRUCT)
 656             {
 657                 struct_var_initializer(statements_list, var, v->initializer);
 658                 d3dcompiler_free(v);
 659                 continue;
 660             }
 661             if (type->type > HLSL_CLASS_LAST_NUMERIC)
 662             {
 663                 FIXME("Initializers for non scalar/struct variables not supported yet.\n");
 664                 free_instr_list(v->initializer);
 665                 d3dcompiler_free(v);
 666                 continue;
 667             }
 668             if (v->array_size > 0)
 669             {
 670                 FIXME("Initializing arrays is not supported yet.\n");
 671                 free_instr_list(v->initializer);
 672                 d3dcompiler_free(v);
 673                 continue;
 674             }
 675             if (list_count(v->initializer) > 1)
 676             {
 677                 FIXME("Complex initializers are not supported yet.\n");
 678                 free_instr_list(v->initializer);
 679                 d3dcompiler_free(v);
 680                 continue;
 681             }
 682             node = LIST_ENTRY(list_head(v->initializer), struct hlsl_ir_node, entry);
 683             assignment = make_assignment(&var->node, ASSIGN_OP_ASSIGN,
 684                     BWRITERSP_WRITEMASK_ALL, node);
 685             list_add_tail(statements_list, &assignment->entry);
 686             d3dcompiler_free(v->initializer);
 687         }
 688         d3dcompiler_free(v);
 689     }
 690     d3dcompiler_free(var_list);
 691     return statements_list;
 692 }
 693
 694 static BOOL add_struct_field(struct list *fields, struct hlsl_struct_field *field)
 695 {
 696     struct hlsl_struct_field *f;
 697
 698     LIST_FOR_EACH_ENTRY(f, fields, struct hlsl_struct_field, entry)
 699     {
 700         if (!strcmp(f->name, field->name))
 701             return FALSE;
 702     }
 703     list_add_tail(fields, &field->entry);
 704     return TRUE;
 705 }
 706
 707 static struct list *gen_struct_fields(struct hlsl_type *type, DWORD modifiers, struct list *fields)
 708 {
 709     struct parse_variable_def *v, *v_next;
 710     struct hlsl_struct_field *field;
 711     struct list *list;
 712
 713     list = d3dcompiler_alloc(sizeof(*list));
 714     if (!list)
 715     {
 716         ERR("Out of memory.\n");
 717         return NULL;
 718     }
 719     list_init(list);
 720     LIST_FOR_EACH_ENTRY_SAFE(v, v_next, fields, struct parse_variable_def, entry)
 721     {
 722         debug_dump_decl(type, 0, v->name, v->loc.line);
 723         field = d3dcompiler_alloc(sizeof(*field));
 724         if (!field)
 725         {
 726             ERR("Out of memory.\n");
 727             d3dcompiler_free(v);
 728             return list;
 729         }
 730         field->type = type;
 731         field->name = v->name;
 732         field->modifiers = modifiers;
 733         field->semantic = v->semantic;
 734         if (v->initializer)
 735         {
 736             hlsl_report_message(v->loc.file, v->loc.line, v->loc.col, HLSL_LEVEL_ERROR,
 737                     "struct field with an initializer.\n");
 738             free_instr_list(v->initializer);
 739         }
 740         list_add_tail(list, &field->entry);
 741         d3dcompiler_free(v);
 742     }
 743     d3dcompiler_free(fields);
 744     return list;
 745 }
 746
 747 static struct hlsl_type *new_struct_type(const char *name, DWORD modifiers, struct list *fields)
 748 {
 749     struct hlsl_type *type = d3dcompiler_alloc(sizeof(*type));
 750
 751     if (!type)
 752     {
 753         ERR("Out of memory.\n");
 754         return NULL;
 755     }
 756     type->type = HLSL_CLASS_STRUCT;
 757     type->name = name;
 758     type->dimx = type->dimy = 1;
 759     type->modifiers = modifiers;
 760     type->e.elements = fields;
 761
 762     list_add_tail(&hlsl_ctx.types, &type->entry);
 763
 764     return type;
 765 }
 766
 767 static BOOL add_typedef(DWORD modifiers, struct hlsl_type *orig_type, struct list *list,
 768         struct source_location *loc)
 769 {
 770     BOOL ret;
 771     struct hlsl_type *type;
 772     struct parse_variable_def *v, *v_next;
 773
 774     if (!check_type_modifiers(modifiers, loc))
 775     {
 776         LIST_FOR_EACH_ENTRY_SAFE(v, v_next, list, struct parse_variable_def, entry)
 777             d3dcompiler_free(v);
 778         d3dcompiler_free(list);
 779         return FALSE;
 780     }
 781
 782     LIST_FOR_EACH_ENTRY_SAFE(v, v_next, list, struct parse_variable_def, entry)
 783     {
 784         if (v->array_size)
 785             type = new_array_type(orig_type, v->array_size);
 786         else
 787             type = clone_hlsl_type(orig_type);
 788         if (!type)
 789         {
 790             ERR("Out of memory\n");
 791             return FALSE;
 792         }
 793         d3dcompiler_free((void *)type->name);
 794         type->name = v->name;
 795         type->modifiers |= modifiers;
 796
 797         if (type->type != HLSL_CLASS_MATRIX)
 798             check_invalid_matrix_modifiers(type->modifiers, &v->loc);
 799
 800         ret = add_type_to_scope(hlsl_ctx.cur_scope, type);
 801         if (!ret)
 802         {
 803             hlsl_report_message(v->loc.file, v->loc.line, v->loc.col, HLSL_LEVEL_ERROR,
 804                     "redefinition of custom type '%s'", v->name);
 805         }
 806         d3dcompiler_free(v);
 807     }
 808     d3dcompiler_free(list);
 809     return TRUE;
 810 }
 811
 812 static BOOL add_func_parameter(struct list *list, struct parse_parameter *param, const struct source_location *loc)
 813 {
 814     struct hlsl_ir_var *decl = d3dcompiler_alloc(sizeof(*decl));
 815
 816     if (!decl)
 817     {
 818         ERR("Out of memory.\n");
 819         return FALSE;
 820     }
 821     decl->node.type = HLSL_IR_VAR;
 822     decl->node.data_type = param->type;
 823     decl->node.loc = *loc;
 824     decl->name = param->name;
 825     decl->semantic = param->semantic;
 826     decl->reg_reservation = param->reg_reservation;
 827     decl->modifiers = param->modifiers;
 828
 829     if (!add_declaration(hlsl_ctx.cur_scope, decl, FALSE))
 830     {
 831         free_declaration(decl);
 832         return FALSE;
 833     }
 834     list_add_tail(list, &decl->node.entry);
 835     return TRUE;
 836 }
 837
 838 static struct reg_reservation *parse_reg_reservation(const char *reg_string)
 839 {
 840     struct reg_reservation *reg_res;
 841     enum bwritershader_param_register_type type;
 842     DWORD regnum = 0;
 843
 844     switch (reg_string[0])
 845     {
 846         case 'c':
 847             type = BWRITERSPR_CONST;
 848             break;
 849         case 'i':
 850             type = BWRITERSPR_CONSTINT;
 851             break;
 852         case 'b':
 853             type = BWRITERSPR_CONSTBOOL;
 854             break;
 855         case 's':
 856             type = BWRITERSPR_SAMPLER;
 857             break;
 858         default:
 859             FIXME("Unsupported register type.\n");
 860             return NULL;
 861      }
 862
 863     if (!sscanf(reg_string + 1, "%u", &regnum))
 864     {
 865         FIXME("Unsupported register reservation syntax.\n");
 866         return NULL;
 867     }
 868
 869     reg_res = d3dcompiler_alloc(sizeof(*reg_res));
 870     if (!reg_res)
 871     {
 872         ERR("Out of memory.\n");
 873         return NULL;
 874     }
 875     reg_res->type = type;
 876     reg_res->regnum = regnum;
 877     return reg_res;
 878 }
 879
 880 static const struct hlsl_ir_function_decl *get_overloaded_func(struct wine_rb_tree *funcs, char *name,
 881         struct list *params, BOOL exact_signature)
 882 {
 883     struct hlsl_ir_function *func;
 884     struct wine_rb_entry *entry;
 885
 886     entry = wine_rb_get(funcs, name);
 887     if (entry)
 888     {
 889         func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry);
 890
 891         entry = wine_rb_get(&func->overloads, params);
 892         if (!entry)
 893         {
 894             if (!exact_signature)
 895                 FIXME("No exact match, search for a compatible overloaded function (if any).\n");
 896             return NULL;
 897         }
 898         return WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry);
 899     }
 900     return NULL;
 901 }
 902
 903 %}
 904
 905 %locations
 906 %error-verbose
 907 %expect 1
 908
 909 %union
 910 {
 911     struct hlsl_type *type;
 912     INT intval;
 913     FLOAT floatval;
 914     BOOL boolval;
 915     char *name;
 916     DWORD modifiers;
 917     struct hlsl_ir_var *var;
 918     struct hlsl_ir_node *instr;
 919     struct list *list;
 920     struct parse_function function;
 921     struct parse_parameter parameter;
 922     struct parse_variable_def *variable_def;
 923     struct parse_if_body if_body;
 924     enum parse_unary_op unary_op;
 925     enum parse_assign_op assign_op;
 926     struct reg_reservation *reg_reservation;
 927     struct parse_colon_attribute colon_attribute;
 928 }
 929
 930 %token KW_BLENDSTATE
 931 %token KW_BREAK
 932 %token KW_BUFFER
 933 %token KW_CBUFFER
 934 %token KW_COLUMN_MAJOR
 935 %token KW_COMPILE
 936 %token KW_CONST
 937 %token KW_CONTINUE
 938 %token KW_DEPTHSTENCILSTATE
 939 %token KW_DEPTHSTENCILVIEW
 940 %token KW_DISCARD
 941 %token KW_DO
 942 %token KW_DOUBLE
 943 %token KW_ELSE
 944 %token KW_EXTERN
 945 %token KW_FALSE
 946 %token KW_FOR
 947 %token KW_GEOMETRYSHADER
 948 %token KW_GROUPSHARED
 949 %token KW_IF
 950 %token KW_IN
 951 %token KW_INLINE
 952 %token KW_INOUT
 953 %token KW_MATRIX
 954 %token KW_NAMESPACE
 955 %token KW_NOINTERPOLATION
 956 %token KW_OUT
 957 %token KW_PASS
 958 %token KW_PIXELSHADER
 959 %token KW_PRECISE
 960 %token KW_RASTERIZERSTATE
 961 %token KW_RENDERTARGETVIEW
 962 %token KW_RETURN
 963 %token KW_REGISTER
 964 %token KW_ROW_MAJOR
 965 %token KW_SAMPLER
 966 %token KW_SAMPLER1D
 967 %token KW_SAMPLER2D
 968 %token KW_SAMPLER3D
 969 %token KW_SAMPLERCUBE
 970 %token KW_SAMPLER_STATE
 971 %token KW_SAMPLERCOMPARISONSTATE
 972 %token KW_SHARED
 973 %token KW_STATEBLOCK
 974 %token KW_STATEBLOCK_STATE
 975 %token KW_STATIC
 976 %token KW_STRING
 977 %token KW_STRUCT
 978 %token KW_SWITCH
 979 %token KW_TBUFFER
 980 %token KW_TECHNIQUE
 981 %token KW_TECHNIQUE10
 982 %token KW_TEXTURE
 983 %token KW_TEXTURE1D
 984 %token KW_TEXTURE1DARRAY
 985 %token KW_TEXTURE2D
 986 %token KW_TEXTURE2DARRAY
 987 %token KW_TEXTURE2DMS
 988 %token KW_TEXTURE2DMSARRAY
 989 %token KW_TEXTURE3D
 990 %token KW_TEXTURE3DARRAY
 991 %token KW_TEXTURECUBE
 992 %token KW_TRUE
 993 %token KW_TYPEDEF
 994 %token KW_UNIFORM
 995 %token KW_VECTOR
 996 %token KW_VERTEXSHADER
 997 %token KW_VOID
 998 %token KW_VOLATILE
 999 %token KW_WHILE
1000
1001 %token OP_INC
1002 %token OP_DEC
1003 %token OP_AND
1004 %token OP_OR
1005 %token OP_EQ
1006 %token OP_LEFTSHIFT
1007 %token OP_LEFTSHIFTASSIGN
1008 %token OP_RIGHTSHIFT
1009 %token OP_RIGHTSHIFTASSIGN
1010 %token OP_ELLIPSIS
1011 %token OP_LE
1012 %token OP_GE
1013 %token OP_NE
1014 %token OP_ADDASSIGN
1015 %token OP_SUBASSIGN
1016 %token OP_MULASSIGN
1017 %token OP_DIVASSIGN
1018 %token OP_MODASSIGN
1019 %token OP_ANDASSIGN
1020 %token OP_ORASSIGN
1021 %token OP_XORASSIGN
1022 %token OP_UNKNOWN1
1023 %token OP_UNKNOWN2
1024 %token OP_UNKNOWN3
1025 %token OP_UNKNOWN4
1026
1027 %token <intval> PRE_LINE
1028
1029 %token <name> VAR_IDENTIFIER TYPE_IDENTIFIER NEW_IDENTIFIER
1030 %type <name> any_identifier var_identifier
1031 %token <name> STRING
1032 %token <floatval> C_FLOAT
1033 %token <intval> C_INTEGER
1034 %type <boolval> boolean
1035 %type <type> base_type
1036 %type <type> type
1037 %type <list> declaration_statement
1038 %type <list> declaration
1039 %type <list> struct_declaration
1040 %type <type> struct_spec
1041 %type <type> named_struct_spec
1042 %type <type> unnamed_struct_spec
1043 %type <list> type_specs
1044 %type <variable_def> type_spec
1045 %type <list> complex_initializer
1046 %type <list> initializer_expr_list
1047 %type <instr> initializer_expr
1048 %type <modifiers> var_modifiers
1049 %type <list> field
1050 %type <list> parameters
1051 %type <list> param_list
1052 %type <instr> expr
1053 %type <var> variable
1054 %type <intval> array
1055 %type <list> statement
1056 %type <list> statement_list
1057 %type <list> compound_statement
1058 %type <list> jump_statement
1059 %type <list> selection_statement
1060 %type <list> loop_statement
1061 %type <function> func_declaration
1062 %type <function> func_prototype
1063 %type <list> fields_list
1064 %type <parameter> parameter
1065 %type <colon_attribute> colon_attribute
1066 %type <name> semantic
1067 %type <reg_reservation> register_opt
1068 %type <variable_def> variable_def
1069 %type <list> variables_def
1070 %type <list> variables_def_optional
1071 %type <if_body> if_body
1072 %type <instr> primary_expr
1073 %type <instr> postfix_expr
1074 %type <instr> unary_expr
1075 %type <instr> mul_expr
1076 %type <instr> add_expr
1077 %type <instr> shift_expr
1078 %type <instr> relational_expr
1079 %type <instr> equality_expr
1080 %type <instr> bitand_expr
1081 %type <instr> bitxor_expr
1082 %type <instr> bitor_expr
1083 %type <instr> logicand_expr
1084 %type <instr> logicor_expr
1085 %type <instr> conditional_expr
1086 %type <instr> assignment_expr
1087 %type <list> expr_statement
1088 %type <unary_op> unary_op
1089 %type <assign_op> assign_op
1090 %type <modifiers> input_mods
1091 %type <modifiers> input_mod
1092 %%
1093
1094 hlsl_prog:                /* empty */
1095                             {
1096                             }
1097                         | hlsl_prog func_declaration
1098                             {
1099                                 const struct hlsl_ir_function_decl *decl;
1100
1101                                 decl = get_overloaded_func(&hlsl_ctx.functions, $2.name, $2.decl->parameters, TRUE);
1102                                 if (decl && !decl->func->intrinsic)
1103                                 {
1104                                     if (decl->body && $2.decl->body)
1105                                     {
1106                                         hlsl_report_message($2.decl->node.loc.file, $2.decl->node.loc.line,
1107                                                 $2.decl->node.loc.col, HLSL_LEVEL_ERROR,
1108                                                 "redefinition of function %s", debugstr_a($2.name));
1109                                         return 1;
1110                                     }
1111                                     else if (!compare_hlsl_types(decl->node.data_type, $2.decl->node.data_type))
1112                                     {
1113                                         hlsl_report_message($2.decl->node.loc.file, $2.decl->node.loc.line,
1114                                                 $2.decl->node.loc.col, HLSL_LEVEL_ERROR,
1115                                                 "redefining function %s with a different return type",
1116                                                 debugstr_a($2.name));
1117                                         hlsl_report_message(decl->node.loc.file, decl->node.loc.line, decl->node.loc.col, HLSL_LEVEL_NOTE,
1118                                                 "%s previously declared here",
1119                                                 debugstr_a($2.name));
1120                                         return 1;
1121                                     }
1122                                 }
1123
1124                                 if ($2.decl->node.data_type->base_type == HLSL_TYPE_VOID && $2.decl->semantic)
1125                                 {
1126                                     hlsl_report_message($2.decl->node.loc.file, $2.decl->node.loc.line,
1127                                             $2.decl->node.loc.col, HLSL_LEVEL_ERROR,
1128                                             "void function with a semantic");
1129                                 }
1130
1131                                 TRACE("Adding function '%s' to the function list.\n", $2.name);
1132                                 add_function_decl(&hlsl_ctx.functions, $2.name, $2.decl, FALSE);
1133                             }
1134                         | hlsl_prog declaration_statement
1135                             {
1136                                 TRACE("Declaration statement parsed.\n");
1137                             }
1138                         | hlsl_prog preproc_directive
1139                             {
1140                             }
1141                         | hlsl_prog ';'
1142                             {
1143                                 TRACE("Skipping stray semicolon.\n");
1144                             }
1145
1146 preproc_directive:        PRE_LINE STRING
1147                             {
1148                                 const char **new_array = NULL;
1149
1150                                 TRACE("Updating line information to file %s, line %u\n", debugstr_a($2), $1);
1151                                 hlsl_ctx.line_no = $1;
1152                                 if (strcmp($2, hlsl_ctx.source_file))
1153                                     new_array = d3dcompiler_realloc(hlsl_ctx.source_files,
1154                                             sizeof(*hlsl_ctx.source_files) * (hlsl_ctx.source_files_count + 1));
1155
1156                                 if (new_array)
1157                                 {
1158                                     hlsl_ctx.source_files = new_array;
1159                                     hlsl_ctx.source_files[hlsl_ctx.source_files_count++] = $2;
1160                                     hlsl_ctx.source_file = $2;
1161                                 }
1162                                 else
1163                                 {
1164                                     d3dcompiler_free($2);
1165                                 }
1166                             }
1167
1168 struct_declaration:       struct_spec variables_def_optional ';'
1169                             {
1170                                 struct source_location loc;
1171
1172                                 set_location(&loc, &@3);
1173                                 if (!$2)
1174                                 {
1175                                     if (!$1->name)
1176                                     {
1177                                         hlsl_report_message(loc.file, loc.line, loc.col,
1178                                                 HLSL_LEVEL_ERROR, "anonymous struct declaration with no variables");
1179                                     }
1180                                     check_type_modifiers($1->modifiers, &loc);
1181                                 }
1182                                 $$ = declare_vars($1, 0, $2);
1183                             }
1184
1185 struct_spec:              named_struct_spec
1186                         | unnamed_struct_spec
1187
1188 named_struct_spec:        var_modifiers KW_STRUCT any_identifier '{' fields_list '}'
1189                             {
1190                                 BOOL ret;
1191                                 struct source_location loc;
1192
1193                                 TRACE("Structure %s declaration.\n", debugstr_a($3));
1194                                 set_location(&loc, &@1);
1195                                 check_invalid_matrix_modifiers($1, &loc);
1196                                 $$ = new_struct_type($3, $1, $5);
1197
1198                                 if (get_variable(hlsl_ctx.cur_scope, $3))
1199                                 {
1200                                     hlsl_report_message(hlsl_ctx.source_file, @3.first_line, @3.first_column,
1201                                             HLSL_LEVEL_ERROR, "redefinition of '%s'", $3);
1202                                     return 1;
1203                                 }
1204
1205                                 ret = add_type_to_scope(hlsl_ctx.cur_scope, $$);
1206                                 if (!ret)
1207                                 {
1208                                     hlsl_report_message(hlsl_ctx.source_file, @3.first_line, @3.first_column,
1209                                             HLSL_LEVEL_ERROR, "redefinition of struct '%s'", $3);
1210                                     return 1;
1211                                 }
1212                             }
1213
1214 unnamed_struct_spec:      var_modifiers KW_STRUCT '{' fields_list '}'
1215                             {
1216                                 struct source_location loc;
1217
1218                                 TRACE("Anonymous structure declaration.\n");
1219                                 set_location(&loc, &@1);
1220                                 check_invalid_matrix_modifiers($1, &loc);
1221                                 $$ = new_struct_type(NULL, $1, $4);
1222                             }
1223
1224 any_identifier:           VAR_IDENTIFIER
1225                         | TYPE_IDENTIFIER
1226                         | NEW_IDENTIFIER
1227
1228 fields_list:              /* Empty */
1229                             {
1230                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1231                                 list_init($$);
1232                             }
1233                         | fields_list field
1234                             {
1235                                 BOOL ret;
1236                                 struct hlsl_struct_field *field, *next;
1237
1238                                 $$ = $1;
1239                                 LIST_FOR_EACH_ENTRY_SAFE(field, next, $2, struct hlsl_struct_field, entry)
1240                                 {
1241                                     ret = add_struct_field($$, field);
1242                                     if (ret == FALSE)
1243                                     {
1244                                         hlsl_report_message(hlsl_ctx.source_file, @2.first_line, @2.first_column,
1245                                                 HLSL_LEVEL_ERROR, "redefinition of '%s'", field->name);
1246                                         d3dcompiler_free(field);
1247                                     }
1248                                 }
1249                                 d3dcompiler_free($2);
1250                             }
1251
1252 field:                    var_modifiers type variables_def ';'
1253                             {
1254                                 $$ = gen_struct_fields($2, $1, $3);
1255                             }
1256                         | unnamed_struct_spec variables_def ';'
1257                             {
1258                                 $$ = gen_struct_fields($1, 0, $2);
1259                             }
1260
1261 func_declaration:         func_prototype compound_statement
1262                             {
1263                                 TRACE("Function %s parsed.\n", $1.name);
1264                                 $$ = $1;
1265                                 $$.decl->body = $2;
1266                                 pop_scope(&hlsl_ctx);
1267                             }
1268                         | func_prototype ';'
1269                             {
1270                                 TRACE("Function prototype for %s.\n", $1.name);
1271                                 $$ = $1;
1272                                 pop_scope(&hlsl_ctx);
1273                             }
1274
1275 func_prototype:           var_modifiers type var_identifier '(' parameters ')' colon_attribute
1276                             {
1277                                 if (get_variable(hlsl_ctx.globals, $3))
1278                                 {
1279                                     hlsl_report_message(hlsl_ctx.source_file, @3.first_line, @3.first_column,
1280                                             HLSL_LEVEL_ERROR, "redefinition of '%s'\n", $3);
1281                                     return 1;
1282                                 }
1283                                 if ($2->base_type == HLSL_TYPE_VOID && $7.semantic)
1284                                 {
1285                                     hlsl_report_message(hlsl_ctx.source_file, @7.first_line, @7.first_column,
1286                                             HLSL_LEVEL_ERROR, "void function with a semantic");
1287                                 }
1288
1289                                 if ($7.reg_reservation)
1290                                 {
1291                                     FIXME("Unexpected register reservation for a function.\n");
1292                                     d3dcompiler_free($7.reg_reservation);
1293                                 }
1294                                 $$.decl = new_func_decl($2, $5);
1295                                 if (!$$.decl)
1296                                 {
1297                                     ERR("Out of memory.\n");
1298                                     return -1;
1299                                 }
1300                                 $$.name = $3;
1301                                 $$.decl->semantic = $7.semantic;
1302                                 set_location(&$$.decl->node.loc, &@3);
1303                             }
1304
1305 compound_statement:       '{' '}'
1306                             {
1307                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1308                                 list_init($$);
1309                             }
1310                         | '{' scope_start statement_list '}'
1311                             {
1312                                 pop_scope(&hlsl_ctx);
1313                                 $$ = $3;
1314                             }
1315
1316 scope_start:              /* Empty */
1317                             {
1318                                 push_scope(&hlsl_ctx);
1319                             }
1320
1321 var_identifier:           VAR_IDENTIFIER
1322                         | NEW_IDENTIFIER
1323
1324 colon_attribute:          /* Empty */
1325                             {
1326                                 $$.semantic = NULL;
1327                                 $$.reg_reservation = NULL;
1328                             }
1329                         | semantic
1330                             {
1331                                 $$.semantic = $1;
1332                                 $$.reg_reservation = NULL;
1333                             }
1334                         | register_opt
1335                             {
1336                                 $$.semantic = NULL;
1337                                 $$.reg_reservation = $1;
1338                             }
1339
1340 semantic:                 ':' any_identifier
1341                             {
1342                                 $$ = $2;
1343                             }
1344
1345                           /* FIXME: Writemasks */
1346 register_opt:             ':' KW_REGISTER '(' any_identifier ')'
1347                             {
1348                                 $$ = parse_reg_reservation($4);
1349                                 d3dcompiler_free($4);
1350                             }
1351                         | ':' KW_REGISTER '(' any_identifier ',' any_identifier ')'
1352                             {
1353                                 FIXME("Ignoring shader target %s in a register reservation.\n", debugstr_a($4));
1354                                 d3dcompiler_free($4);
1355
1356                                 $$ = parse_reg_reservation($6);
1357                                 d3dcompiler_free($6);
1358                             }
1359
1360 parameters:               scope_start
1361                             {
1362                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1363                                 list_init($$);
1364                             }
1365                         | scope_start param_list
1366                             {
1367                                 $$ = $2;
1368                             }
1369
1370 param_list:               parameter
1371                             {
1372                                 struct source_location loc;
1373
1374                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1375                                 list_init($$);
1376                                 set_location(&loc, &@1);
1377                                 if (!add_func_parameter($$, &$1, &loc))
1378                                 {
1379                                     ERR("Error adding function parameter %s.\n", $1.name);
1380                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1381                                     return -1;
1382                                 }
1383                             }
1384                         | param_list ',' parameter
1385                             {
1386                                 struct source_location loc;
1387
1388                                 $$ = $1;
1389                                 set_location(&loc, &@3);
1390                                 if (!add_func_parameter($$, &$3, &loc))
1391                                 {
1392                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
1393                                             "duplicate parameter %s", $3.name);
1394                                     return 1;
1395                                 }
1396                             }
1397
1398 parameter:                input_mods var_modifiers type any_identifier colon_attribute
1399                             {
1400                                 $$.modifiers = $1 ? $1 : HLSL_MODIFIER_IN;
1401                                 $$.modifiers |= $2;
1402                                 $$.type = $3;
1403                                 $$.name = $4;
1404                                 $$.semantic = $5.semantic;
1405                                 $$.reg_reservation = $5.reg_reservation;
1406                             }
1407
1408 input_mods:               /* Empty */
1409                             {
1410                                 $$ = 0;
1411                             }
1412                         | input_mods input_mod
1413                             {
1414                                 if ($1 & $2)
1415                                 {
1416                                     hlsl_report_message(hlsl_ctx.source_file, @2.first_line, @2.first_column,
1417                                             HLSL_LEVEL_ERROR, "duplicate input-output modifiers");
1418                                     return 1;
1419                                 }
1420                                 $$ = $1 | $2;
1421                             }
1422
1423 input_mod:                KW_IN
1424                             {
1425                                 $$ = HLSL_MODIFIER_IN;
1426                             }
1427                         | KW_OUT
1428                             {
1429                                 $$ = HLSL_MODIFIER_OUT;
1430                             }
1431                         | KW_INOUT
1432                             {
1433                                 $$ = HLSL_MODIFIER_IN | HLSL_MODIFIER_OUT;
1434                             }
1435
1436 type:                     base_type
1437                             {
1438                                 $$ = $1;
1439                             }
1440                         | KW_VECTOR '<' base_type ',' C_INTEGER '>'
1441                             {
1442                                 if ($3->type != HLSL_CLASS_SCALAR)
1443                                 {
1444                                     hlsl_message("Line %u: vectors of non-scalar types are not allowed.\n",
1445                                             hlsl_ctx.line_no);
1446                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1447                                     return 1;
1448                                 }
1449                                 if ($5 < 1 || $5 > 4)
1450                                 {
1451                                     hlsl_message("Line %u: vector size must be between 1 and 4.\n",
1452                                             hlsl_ctx.line_no);
1453                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1454                                     return 1;
1455                                 }
1456
1457                                 $$ = new_hlsl_type(NULL, HLSL_CLASS_VECTOR, $3->base_type, $5, 1);
1458                             }
1459                         | KW_MATRIX '<' base_type ',' C_INTEGER ',' C_INTEGER '>'
1460                             {
1461                                 if ($3->type != HLSL_CLASS_SCALAR)
1462                                 {
1463                                     hlsl_message("Line %u: matrices of non-scalar types are not allowed.\n",
1464                                             hlsl_ctx.line_no);
1465                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1466                                     return 1;
1467                                 }
1468                                 if ($5 < 1 || $5 > 4 || $7 < 1 || $7 > 4)
1469                                 {
1470                                     hlsl_message("Line %u: matrix dimensions must be between 1 and 4.\n",
1471                                             hlsl_ctx.line_no);
1472                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1473                                     return 1;
1474                                 }
1475
1476                                 $$ = new_hlsl_type(NULL, HLSL_CLASS_MATRIX, $3->base_type, $5, $7);
1477                             }
1478
1479 base_type:                KW_VOID
1480                             {
1481                                 $$ = new_hlsl_type(d3dcompiler_strdup("void"), HLSL_CLASS_OBJECT, HLSL_TYPE_VOID, 1, 1);
1482                             }
1483                         | KW_SAMPLER
1484                             {
1485                                 $$ = new_hlsl_type(d3dcompiler_strdup("sampler"), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1);
1486                                 $$->sampler_dim = HLSL_SAMPLER_DIM_GENERIC;
1487                             }
1488                         | KW_SAMPLER1D
1489                             {
1490                                 $$ = new_hlsl_type(d3dcompiler_strdup("sampler1D"), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1);
1491                                 $$->sampler_dim = HLSL_SAMPLER_DIM_1D;
1492                             }
1493                         | KW_SAMPLER2D
1494                             {
1495                                 $$ = new_hlsl_type(d3dcompiler_strdup("sampler2D"), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1);
1496                                 $$->sampler_dim = HLSL_SAMPLER_DIM_2D;
1497                             }
1498                         | KW_SAMPLER3D
1499                             {
1500                                 $$ = new_hlsl_type(d3dcompiler_strdup("sampler3D"), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1);
1501                                 $$->sampler_dim = HLSL_SAMPLER_DIM_3D;
1502                             }
1503                         | KW_SAMPLERCUBE
1504                             {
1505                                 $$ = new_hlsl_type(d3dcompiler_strdup("samplerCUBE"), HLSL_CLASS_OBJECT, HLSL_TYPE_SAMPLER, 1, 1);
1506                                 $$->sampler_dim = HLSL_SAMPLER_DIM_CUBE;
1507                             }
1508                         | TYPE_IDENTIFIER
1509                             {
1510                                 struct hlsl_type *type;
1511
1512                                 type = get_type(hlsl_ctx.cur_scope, $1, TRUE);
1513                                 $$ = type;
1514                                 d3dcompiler_free($1);
1515                             }
1516                         | KW_STRUCT TYPE_IDENTIFIER
1517                             {
1518                                 struct hlsl_type *type;
1519
1520                                 type = get_type(hlsl_ctx.cur_scope, $2, TRUE);
1521                                 if (type->type != HLSL_CLASS_STRUCT)
1522                                 {
1523                                     hlsl_message("Line %u: redefining %s as a structure.\n",
1524                                             hlsl_ctx.line_no, $2);
1525                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1526                                 }
1527                                 else
1528                                 {
1529                                     $$ = type;
1530                                 }
1531                                 d3dcompiler_free($2);
1532                             }
1533
1534 declaration_statement:    declaration
1535                         | struct_declaration
1536                         | typedef
1537                             {
1538                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1539                                 if (!$$)
1540                                 {
1541                                     ERR("Out of memory\n");
1542                                     return -1;
1543                                 }
1544                                 list_init($$);
1545                             }
1546
1547 typedef:                  KW_TYPEDEF var_modifiers type type_specs ';'
1548                             {
1549                                 struct source_location loc;
1550
1551                                 set_location(&loc, &@1);
1552                                 if (!add_typedef($2, $3, $4, &loc))
1553                                     return 1;
1554                             }
1555                         | KW_TYPEDEF struct_spec type_specs ';'
1556                             {
1557                                 struct source_location loc;
1558
1559                                 set_location(&loc, &@1);
1560                                 if (!add_typedef(0, $2, $3, &loc))
1561                                     return 1;
1562                             }
1563
1564 type_specs:               type_spec
1565                             {
1566                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1567                                 list_init($$);
1568                                 list_add_head($$, &$1->entry);
1569                             }
1570                         | type_specs ',' type_spec
1571                             {
1572                                 $$ = $1;
1573                                 list_add_tail($$, &$3->entry);
1574                             }
1575
1576 type_spec:                any_identifier array
1577                             {
1578                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1579                                 set_location(&$$->loc, &@1);
1580                                 $$->name = $1;
1581                                 $$->array_size = $2;
1582                             }
1583
1584 declaration:              var_modifiers type variables_def ';'
1585                             {
1586                                 $$ = declare_vars($2, $1, $3);
1587                             }
1588
1589 variables_def_optional:   /* Empty */
1590                             {
1591                                 $$ = NULL;
1592                             }
1593                         | variables_def
1594                             {
1595                                 $$ = $1;
1596                             }
1597
1598 variables_def:            variable_def
1599                             {
1600                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1601                                 list_init($$);
1602                                 list_add_head($$, &$1->entry);
1603                             }
1604                         | variables_def ',' variable_def
1605                             {
1606                                 $$ = $1;
1607                                 list_add_tail($$, &$3->entry);
1608                             }
1609
1610 variable_def:             any_identifier array colon_attribute
1611                             {
1612                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1613                                 set_location(&$$->loc, &@1);
1614                                 $$->name = $1;
1615                                 $$->array_size = $2;
1616                                 $$->semantic = $3.semantic;
1617                                 $$->reg_reservation = $3.reg_reservation;
1618                             }
1619                         | any_identifier array colon_attribute '=' complex_initializer
1620                             {
1621                                 TRACE("Declaration with initializer.\n");
1622                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1623                                 set_location(&$$->loc, &@1);
1624                                 $$->name = $1;
1625                                 $$->array_size = $2;
1626                                 $$->semantic = $3.semantic;
1627                                 $$->reg_reservation = $3.reg_reservation;
1628                                 $$->initializer = $5;
1629                             }
1630
1631 array:                    /* Empty */
1632                             {
1633                                 $$ = 0;
1634                             }
1635                         | '[' expr ']'
1636                             {
1637                                 FIXME("Array.\n");
1638                                 $$ = 0;
1639                                 free_instr($2);
1640                             }
1641
1642 var_modifiers:            /* Empty */
1643                             {
1644                                 $$ = 0;
1645                             }
1646                         | KW_EXTERN var_modifiers
1647                             {
1648                                 $$ = add_modifier($2, HLSL_STORAGE_EXTERN, &@1);
1649                             }
1650                         | KW_NOINTERPOLATION var_modifiers
1651                             {
1652                                 $$ = add_modifier($2, HLSL_STORAGE_NOINTERPOLATION, &@1);
1653                             }
1654                         | KW_PRECISE var_modifiers
1655                             {
1656                                 $$ = add_modifier($2, HLSL_MODIFIER_PRECISE, &@1);
1657                             }
1658                         | KW_SHARED var_modifiers
1659                             {
1660                                 $$ = add_modifier($2, HLSL_STORAGE_SHARED, &@1);
1661                             }
1662                         | KW_GROUPSHARED var_modifiers
1663                             {
1664                                 $$ = add_modifier($2, HLSL_STORAGE_GROUPSHARED, &@1);
1665                             }
1666                         | KW_STATIC var_modifiers
1667                             {
1668                                 $$ = add_modifier($2, HLSL_STORAGE_STATIC, &@1);
1669                             }
1670                         | KW_UNIFORM var_modifiers
1671                             {
1672                                 $$ = add_modifier($2, HLSL_STORAGE_UNIFORM, &@1);
1673                             }
1674                         | KW_VOLATILE var_modifiers
1675                             {
1676                                 $$ = add_modifier($2, HLSL_STORAGE_VOLATILE, &@1);
1677                             }
1678                         | KW_CONST var_modifiers
1679                             {
1680                                 $$ = add_modifier($2, HLSL_MODIFIER_CONST, &@1);
1681                             }
1682                         | KW_ROW_MAJOR var_modifiers
1683                             {
1684                                 $$ = add_modifier($2, HLSL_MODIFIER_ROW_MAJOR, &@1);
1685                             }
1686                         | KW_COLUMN_MAJOR var_modifiers
1687                             {
1688                                 $$ = add_modifier($2, HLSL_MODIFIER_COLUMN_MAJOR, &@1);
1689                             }
1690
1691 complex_initializer:      initializer_expr
1692                             {
1693                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1694                                 list_init($$);
1695                                 list_add_head($$, &$1->entry);
1696                             }
1697                         | '{' initializer_expr_list '}'
1698                             {
1699                                 $$ = $2;
1700                             }
1701                         | '{' initializer_expr_list ',' '}'
1702                             {
1703                                 $$ = $2;
1704                             }
1705
1706 initializer_expr:         assignment_expr
1707                             {
1708                                 $$ = $1;
1709                             }
1710
1711 initializer_expr_list:    initializer_expr
1712                             {
1713                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1714                                 list_init($$);
1715                                 list_add_head($$, &$1->entry);
1716                             }
1717                         | initializer_expr_list ',' initializer_expr
1718                             {
1719                                 $$ = $1;
1720                                 list_add_tail($$, &$3->entry);
1721                             }
1722
1723 boolean:                  KW_TRUE
1724                             {
1725                                 $$ = TRUE;
1726                             }
1727                         | KW_FALSE
1728                             {
1729                                 $$ = FALSE;
1730                             }
1731
1732 statement_list:           statement
1733                             {
1734                                 $$ = $1;
1735                             }
1736                         | statement_list statement
1737                             {
1738                                 $$ = $1;
1739                                 list_move_tail($$, $2);
1740                                 d3dcompiler_free($2);
1741                             }
1742
1743 statement:                declaration_statement
1744                         | expr_statement
1745                         | compound_statement
1746                         | jump_statement
1747                         | selection_statement
1748                         | loop_statement
1749
1750                           /* FIXME: add rule for return with no value */
1751 jump_statement:           KW_RETURN expr ';'
1752                             {
1753                                 struct hlsl_ir_jump *jump = d3dcompiler_alloc(sizeof(*jump));
1754                                 if (!jump)
1755                                 {
1756                                     ERR("Out of memory\n");
1757                                     return -1;
1758                                 }
1759                                 jump->node.type = HLSL_IR_JUMP;
1760                                 set_location(&jump->node.loc, &@1);
1761                                 jump->type = HLSL_IR_JUMP_RETURN;
1762                                 jump->node.data_type = $2->data_type;
1763                                 jump->return_value = $2;
1764
1765                                 FIXME("Check for valued return on void function.\n");
1766                                 FIXME("Implicit conversion to the return type if needed, "
1767                                         "error out if conversion not possible.\n");
1768
1769                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1770                                 list_init($$);
1771                                 list_add_tail($$, &jump->node.entry);
1772                             }
1773
1774 selection_statement:      KW_IF '(' expr ')' if_body
1775                             {
1776                                 struct hlsl_ir_if *instr = d3dcompiler_alloc(sizeof(*instr));
1777                                 if (!instr)
1778                                 {
1779                                     ERR("Out of memory\n");
1780                                     return -1;
1781                                 }
1782                                 instr->node.type = HLSL_IR_IF;
1783                                 set_location(&instr->node.loc, &@1);
1784                                 instr->condition = $3;
1785                                 instr->then_instrs = $5.then_instrs;
1786                                 instr->else_instrs = $5.else_instrs;
1787                                 if ($3->data_type->dimx > 1 || $3->data_type->dimy > 1)
1788                                 {
1789                                     hlsl_report_message(instr->node.loc.file, instr->node.loc.line,
1790                                             instr->node.loc.col, HLSL_LEVEL_ERROR,
1791                                             "if condition requires a scalar");
1792                                 }
1793                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1794                                 list_init($$);
1795                                 list_add_head($$, &instr->node.entry);
1796                             }
1797
1798 if_body:                  statement
1799                             {
1800                                 $$.then_instrs = $1;
1801                                 $$.else_instrs = NULL;
1802                             }
1803                         | statement KW_ELSE statement
1804                             {
1805                                 $$.then_instrs = $1;
1806                                 $$.else_instrs = $3;
1807                             }
1808
1809 loop_statement:           KW_WHILE '(' expr ')' statement
1810                             {
1811                                 struct source_location loc;
1812                                 struct list *cond = d3dcompiler_alloc(sizeof(*cond));
1813
1814                                 if (!cond)
1815                                 {
1816                                     ERR("Out of memory.\n");
1817                                     return -1;
1818                                 }
1819                                 list_init(cond);
1820                                 list_add_head(cond, &$3->entry);
1821                                 set_location(&loc, &@1);
1822                                 $$ = create_loop(LOOP_WHILE, NULL, cond, NULL, $5, &loc);
1823                             }
1824                         | KW_DO statement KW_WHILE '(' expr ')' ';'
1825                             {
1826                                 struct source_location loc;
1827                                 struct list *cond = d3dcompiler_alloc(sizeof(*cond));
1828
1829                                 if (!cond)
1830                                 {
1831                                     ERR("Out of memory.\n");
1832                                     return -1;
1833                                 }
1834                                 list_init(cond);
1835                                 list_add_head(cond, &$5->entry);
1836                                 set_location(&loc, &@1);
1837                                 $$ = create_loop(LOOP_DO_WHILE, NULL, cond, NULL, $2, &loc);
1838                             }
1839                         | KW_FOR '(' scope_start expr_statement expr_statement expr ')' statement
1840                             {
1841                                 struct source_location loc;
1842
1843                                 set_location(&loc, &@1);
1844                                 $$ = create_loop(LOOP_FOR, $4, $5, $6, $8, &loc);
1845                                 pop_scope(&hlsl_ctx);
1846                             }
1847                         | KW_FOR '(' scope_start declaration expr_statement expr ')' statement
1848                             {
1849                                 struct source_location loc;
1850
1851                                 set_location(&loc, &@1);
1852                                 if (!$4)
1853                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_WARNING,
1854                                             "no expressions in for loop initializer");
1855                                 $$ = create_loop(LOOP_FOR, $4, $5, $6, $8, &loc);
1856                                 pop_scope(&hlsl_ctx);
1857                             }
1858
1859 expr_statement:           ';'
1860                             {
1861                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1862                                 list_init($$);
1863                             }
1864                         | expr ';'
1865                             {
1866                                 $$ = d3dcompiler_alloc(sizeof(*$$));
1867                                 list_init($$);
1868                                 if ($1)
1869                                     list_add_head($$, &$1->entry);
1870                             }
1871
1872 primary_expr:             C_FLOAT
1873                             {
1874                                 struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c));
1875                                 if (!c)
1876                                 {
1877                                     ERR("Out of memory.\n");
1878                                     return -1;
1879                                 }
1880                                 c->node.type = HLSL_IR_CONSTANT;
1881                                 set_location(&c->node.loc, &yylloc);
1882                                 c->node.data_type = new_hlsl_type(d3dcompiler_strdup("float"), HLSL_CLASS_SCALAR, HLSL_TYPE_FLOAT, 1, 1);
1883                                 c->v.value.f[0] = $1;
1884                                 $$ = &c->node;
1885                             }
1886                         | C_INTEGER
1887                             {
1888                                 struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c));
1889                                 if (!c)
1890                                 {
1891                                     ERR("Out of memory.\n");
1892                                     return -1;
1893                                 }
1894                                 c->node.type = HLSL_IR_CONSTANT;
1895                                 set_location(&c->node.loc, &yylloc);
1896                                 c->node.data_type = new_hlsl_type(d3dcompiler_strdup("int"), HLSL_CLASS_SCALAR, HLSL_TYPE_INT, 1, 1);
1897                                 c->v.value.i[0] = $1;
1898                                 $$ = &c->node;
1899                             }
1900                         | boolean
1901                             {
1902                                 struct hlsl_ir_constant *c = d3dcompiler_alloc(sizeof(*c));
1903                                 if (!c)
1904                                 {
1905                                     ERR("Out of memory.\n");
1906                                     return -1;
1907                                 }
1908                                 c->node.type = HLSL_IR_CONSTANT;
1909                                 set_location(&c->node.loc, &yylloc);
1910                                 c->node.data_type = new_hlsl_type(d3dcompiler_strdup("bool"), HLSL_CLASS_SCALAR, HLSL_TYPE_BOOL, 1, 1);
1911                                 c->v.value.b[0] = $1;
1912                                 $$ = &c->node;
1913                             }
1914                         | variable
1915                             {
1916                                 struct hlsl_ir_deref *deref = new_var_deref($1);
1917                                 if (deref)
1918                                 {
1919                                     $$ = &deref->node;
1920                                     set_location(&$$->loc, &@1);
1921                                 }
1922                                 else
1923                                     $$ = NULL;
1924                             }
1925                         | '(' expr ')'
1926                             {
1927                                 $$ = $2;
1928                             }
1929
1930 variable:                 VAR_IDENTIFIER
1931                             {
1932                                 struct hlsl_ir_var *var;
1933                                 var = get_variable(hlsl_ctx.cur_scope, $1);
1934                                 if (!var)
1935                                 {
1936                                     hlsl_message("Line %d: variable '%s' not declared\n",
1937                                             hlsl_ctx.line_no, $1);
1938                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
1939                                     return 1;
1940                                 }
1941                                 $$ = var;
1942                             }
1943
1944 postfix_expr:             primary_expr
1945                             {
1946                                 $$ = $1;
1947                             }
1948                         | postfix_expr OP_INC
1949                             {
1950                                 struct hlsl_ir_node *operands[3];
1951                                 struct source_location loc;
1952
1953                                 set_location(&loc, &@2);
1954                                 if ($1->data_type->modifiers & HLSL_MODIFIER_CONST)
1955                                 {
1956                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
1957                                             "modifying a const expression");
1958                                     return 1;
1959                                 }
1960                                 operands[0] = $1;
1961                                 operands[1] = operands[2] = NULL;
1962                                 $$ = &new_expr(HLSL_IR_UNOP_POSTINC, operands, &loc)->node;
1963                                 /* Post increment/decrement expressions are considered const */
1964                                 $$->data_type = clone_hlsl_type($$->data_type);
1965                                 $$->data_type->modifiers |= HLSL_MODIFIER_CONST;
1966                             }
1967                         | postfix_expr OP_DEC
1968                             {
1969                                 struct hlsl_ir_node *operands[3];
1970                                 struct source_location loc;
1971
1972                                 set_location(&loc, &@2);
1973                                 if ($1->data_type->modifiers & HLSL_MODIFIER_CONST)
1974                                 {
1975                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
1976                                             "modifying a const expression");
1977                                     return 1;
1978                                 }
1979                                 operands[0] = $1;
1980                                 operands[1] = operands[2] = NULL;
1981                                 $$ = &new_expr(HLSL_IR_UNOP_POSTDEC, operands, &loc)->node;
1982                                 /* Post increment/decrement expressions are considered const */
1983                                 $$->data_type = clone_hlsl_type($$->data_type);
1984                                 $$->data_type->modifiers |= HLSL_MODIFIER_CONST;
1985                             }
1986                         | postfix_expr '.' any_identifier
1987                             {
1988                                 struct source_location loc;
1989
1990                                 set_location(&loc, &@2);
1991                                 if ($1->data_type->type == HLSL_CLASS_STRUCT)
1992                                 {
1993                                     struct hlsl_type *type = $1->data_type;
1994                                     struct hlsl_struct_field *field;
1995
1996                                     $$ = NULL;
1997                                     LIST_FOR_EACH_ENTRY(field, type->e.elements, struct hlsl_struct_field, entry)
1998                                     {
1999                                         if (!strcmp($3, field->name))
2000                                         {
2001                                             struct hlsl_ir_deref *deref = new_record_deref($1, field);
2002
2003                                             if (!deref)
2004                                             {
2005                                                 ERR("Out of memory\n");
2006                                                 return -1;
2007                                             }
2008                                             deref->node.loc = loc;
2009                                             $$ = &deref->node;
2010                                             break;
2011                                         }
2012                                     }
2013                                     if (!$$)
2014                                     {
2015                                         hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2016                                                 "invalid subscript %s", debugstr_a($3));
2017                                         return 1;
2018                                     }
2019                                 }
2020                                 else if ($1->data_type->type <= HLSL_CLASS_LAST_NUMERIC)
2021                                 {
2022                                     struct hlsl_ir_swizzle *swizzle;
2023
2024                                     swizzle = get_swizzle($1, $3, &loc);
2025                                     if (!swizzle)
2026                                     {
2027                                         hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2028                                                 "invalid swizzle %s", debugstr_a($3));
2029                                         return 1;
2030                                     }
2031                                     $$ = &swizzle->node;
2032                                 }
2033                                 else
2034                                 {
2035                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2036                                             "invalid subscript %s", debugstr_a($3));
2037                                     return 1;
2038                                 }
2039                             }
2040                         | postfix_expr '[' expr ']'
2041                             {
2042                                 /* This may be an array dereference or a vector/matrix
2043                                  * subcomponent access.
2044                                  * We store it as an array dereference in any case. */
2045                                 struct hlsl_ir_deref *deref = d3dcompiler_alloc(sizeof(*deref));
2046                                 struct hlsl_type *expr_type = $1->data_type;
2047                                 struct source_location loc;
2048
2049                                 TRACE("Array dereference from type %s\n", debug_hlsl_type(expr_type));
2050                                 if (!deref)
2051                                 {
2052                                     ERR("Out of memory\n");
2053                                     return -1;
2054                                 }
2055                                 deref->node.type = HLSL_IR_DEREF;
2056                                 set_location(&loc, &@2);
2057                                 deref->node.loc = loc;
2058                                 if (expr_type->type == HLSL_CLASS_ARRAY)
2059                                 {
2060                                     deref->node.data_type = expr_type->e.array.type;
2061                                 }
2062                                 else if (expr_type->type == HLSL_CLASS_MATRIX)
2063                                 {
2064                                     deref->node.data_type = new_hlsl_type(NULL, HLSL_CLASS_VECTOR, expr_type->base_type, expr_type->dimx, 1);
2065                                 }
2066                                 else if (expr_type->type == HLSL_CLASS_VECTOR)
2067                                 {
2068                                     deref->node.data_type = new_hlsl_type(NULL, HLSL_CLASS_SCALAR, expr_type->base_type, 1, 1);
2069                                 }
2070                                 else
2071                                 {
2072                                     if (expr_type->type == HLSL_CLASS_SCALAR)
2073                                         hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2074                                                 "array-indexed expression is scalar");
2075                                     else
2076                                         hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2077                                                 "expression is not array-indexable");
2078                                     d3dcompiler_free(deref);
2079                                     free_instr($1);
2080                                     free_instr($3);
2081                                     return 1;
2082                                 }
2083                                 if ($3->data_type->type != HLSL_CLASS_SCALAR)
2084                                 {
2085                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2086                                             "array index is not scalar");
2087                                     d3dcompiler_free(deref);
2088                                     free_instr($1);
2089                                     free_instr($3);
2090                                     return 1;
2091                                 }
2092                                 deref->type = HLSL_IR_DEREF_ARRAY;
2093                                 deref->v.array.array = $1;
2094                                 deref->v.array.index = $3;
2095
2096                                 $$ = &deref->node;
2097                             }
2098                           /* "var_modifiers" doesn't make sense in this case, but it's needed
2099                              in the grammar to avoid shift/reduce conflicts. */
2100                         | var_modifiers type '(' initializer_expr_list ')'
2101                             {
2102                                 struct hlsl_ir_constructor *constructor;
2103
2104                                 TRACE("%s constructor.\n", debug_hlsl_type($2));
2105                                 if ($1)
2106                                 {
2107                                     hlsl_message("Line %u: unexpected modifier in a constructor.\n",
2108                                             hlsl_ctx.line_no);
2109                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
2110                                     return -1;
2111                                 }
2112                                 if ($2->type > HLSL_CLASS_LAST_NUMERIC)
2113                                 {
2114                                     hlsl_message("Line %u: constructors are allowed only for numeric data types.\n",
2115                                             hlsl_ctx.line_no);
2116                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
2117                                     return -1;
2118                                 }
2119                                 if ($2->dimx * $2->dimy != components_count_expr_list($4))
2120                                 {
2121                                     hlsl_message("Line %u: wrong number of components in constructor.\n",
2122                                             hlsl_ctx.line_no);
2123                                     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
2124                                     return -1;
2125                                 }
2126
2127                                 constructor = d3dcompiler_alloc(sizeof(*constructor));
2128                                 constructor->node.type = HLSL_IR_CONSTRUCTOR;
2129                                 set_location(&constructor->node.loc, &@3);
2130                                 constructor->node.data_type = $2;
2131                                 constructor->arguments = $4;
2132
2133                                 $$ = &constructor->node;
2134                             }
2135
2136 unary_expr:               postfix_expr
2137                             {
2138                                 $$ = $1;
2139                             }
2140                         | OP_INC unary_expr
2141                             {
2142                                 struct hlsl_ir_node *operands[3];
2143                                 struct source_location loc;
2144
2145                                 set_location(&loc, &@1);
2146                                 if ($2->data_type->modifiers & HLSL_MODIFIER_CONST)
2147                                 {
2148                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2149                                             "modifying a const expression");
2150                                     return 1;
2151                                 }
2152                                 operands[0] = $2;
2153                                 operands[1] = operands[2] = NULL;
2154                                 $$ = &new_expr(HLSL_IR_UNOP_PREINC, operands, &loc)->node;
2155                             }
2156                         | OP_DEC unary_expr
2157                             {
2158                                 struct hlsl_ir_node *operands[3];
2159                                 struct source_location loc;
2160
2161                                 set_location(&loc, &@1);
2162                                 if ($2->data_type->modifiers & HLSL_MODIFIER_CONST)
2163                                 {
2164                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2165                                             "modifying a const expression");
2166                                     return 1;
2167                                 }
2168                                 operands[0] = $2;
2169                                 operands[1] = operands[2] = NULL;
2170                                 $$ = &new_expr(HLSL_IR_UNOP_PREDEC, operands, &loc)->node;
2171                             }
2172                         | unary_op unary_expr
2173                             {
2174                                 enum hlsl_ir_expr_op ops[] = {0, HLSL_IR_UNOP_NEG,
2175                                         HLSL_IR_UNOP_LOGIC_NOT, HLSL_IR_UNOP_BIT_NOT};
2176                                 struct hlsl_ir_node *operands[3];
2177                                 struct source_location loc;
2178
2179                                 if ($1 == UNARY_OP_PLUS)
2180                                 {
2181                                     $$ = $2;
2182                                 }
2183                                 else
2184                                 {
2185                                     operands[0] = $2;
2186                                     operands[1] = operands[2] = NULL;
2187                                     set_location(&loc, &@1);
2188                                     $$ = &new_expr(ops[$1], operands, &loc)->node;
2189                                 }
2190                             }
2191                           /* var_modifiers just to avoid shift/reduce conflicts */
2192                         | '(' var_modifiers type array ')' unary_expr
2193                             {
2194                                 struct hlsl_ir_expr *expr;
2195                                 struct hlsl_type *src_type = $6->data_type;
2196                                 struct hlsl_type *dst_type;
2197                                 struct source_location loc;
2198
2199                                 set_location(&loc, &@3);
2200                                 if ($2)
2201                                 {
2202                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2203                                             "unexpected modifier in a cast");
2204                                     return 1;
2205                                 }
2206
2207                                 if ($4)
2208                                     dst_type = new_array_type($3, $4);
2209                                 else
2210                                     dst_type = $3;
2211
2212                                 if (!compatible_data_types(src_type, dst_type))
2213                                 {
2214                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2215                                             "can't cast from %s to %s",
2216                                             debug_hlsl_type(src_type), debug_hlsl_type(dst_type));
2217                                     return 1;
2218                                 }
2219
2220                                 expr = new_cast($6, dst_type, &loc);
2221                                 $$ = expr ? &expr->node : NULL;
2222                             }
2223
2224 unary_op:                 '+'
2225                             {
2226                                 $$ = UNARY_OP_PLUS;
2227                             }
2228                         | '-'
2229                             {
2230                                 $$ = UNARY_OP_MINUS;
2231                             }
2232                         | '!'
2233                             {
2234                                 $$ = UNARY_OP_LOGICNOT;
2235                             }
2236                         | '~'
2237                             {
2238                                 $$ = UNARY_OP_BITNOT;
2239                             }
2240
2241 mul_expr:                 unary_expr
2242                             {
2243                                 $$ = $1;
2244                             }
2245                         | mul_expr '*' unary_expr
2246                             {
2247                                 struct source_location loc;
2248
2249                                 set_location(&loc, &@2);
2250                                 $$ = &hlsl_mul($1, $3, &loc)->node;
2251                             }
2252                         | mul_expr '/' unary_expr
2253                             {
2254                                 struct source_location loc;
2255
2256                                 set_location(&loc, &@2);
2257                                 $$ = &hlsl_div($1, $3, &loc)->node;
2258                             }
2259                         | mul_expr '%' unary_expr
2260                             {
2261                                 struct source_location loc;
2262
2263                                 set_location(&loc, &@2);
2264                                 $$ = &hlsl_mod($1, $3, &loc)->node;
2265                             }
2266
2267 add_expr:                 mul_expr
2268                             {
2269                                 $$ = $1;
2270                             }
2271                         | add_expr '+' mul_expr
2272                             {
2273                                 struct source_location loc;
2274
2275                                 set_location(&loc, &@2);
2276                                 $$ = &hlsl_add($1, $3, &loc)->node;
2277                             }
2278                         | add_expr '-' mul_expr
2279                             {
2280                                 struct source_location loc;
2281
2282                                 set_location(&loc, &@2);
2283                                 $$ = &hlsl_sub($1, $3, &loc)->node;
2284                             }
2285
2286 shift_expr:               add_expr
2287                             {
2288                                 $$ = $1;
2289                             }
2290                         | shift_expr OP_LEFTSHIFT add_expr
2291                             {
2292                                 FIXME("Left shift\n");
2293                             }
2294                         | shift_expr OP_RIGHTSHIFT add_expr
2295                             {
2296                                 FIXME("Right shift\n");
2297                             }
2298
2299 relational_expr:          shift_expr
2300                             {
2301                                 $$ = $1;
2302                             }
2303                         | relational_expr '<' shift_expr
2304                             {
2305                                 struct source_location loc;
2306
2307                                 set_location(&loc, &@2);
2308                                 $$ = &hlsl_lt($1, $3, &loc)->node;
2309                             }
2310                         | relational_expr '>' shift_expr
2311                             {
2312                                 struct source_location loc;
2313
2314                                 set_location(&loc, &@2);
2315                                 $$ = &hlsl_gt($1, $3, &loc)->node;
2316                             }
2317                         | relational_expr OP_LE shift_expr
2318                             {
2319                                 struct source_location loc;
2320
2321                                 set_location(&loc, &@2);
2322                                 $$ = &hlsl_le($1, $3, &loc)->node;
2323                             }
2324                         | relational_expr OP_GE shift_expr
2325                             {
2326                                 struct source_location loc;
2327
2328                                 set_location(&loc, &@2);
2329                                 $$ = &hlsl_ge($1, $3, &loc)->node;
2330                             }
2331
2332 equality_expr:            relational_expr
2333                             {
2334                                 $$ = $1;
2335                             }
2336                         | equality_expr OP_EQ relational_expr
2337                             {
2338                                 struct source_location loc;
2339
2340                                 set_location(&loc, &@2);
2341                                 $$ = &hlsl_eq($1, $3, &loc)->node;
2342                             }
2343                         | equality_expr OP_NE relational_expr
2344                             {
2345                                 struct source_location loc;
2346
2347                                 set_location(&loc, &@2);
2348                                 $$ = &hlsl_ne($1, $3, &loc)->node;
2349                             }
2350
2351 bitand_expr:              equality_expr
2352                             {
2353                                 $$ = $1;
2354                             }
2355                         | bitand_expr '&' equality_expr
2356                             {
2357                                 FIXME("bitwise AND\n");
2358                             }
2359
2360 bitxor_expr:              bitand_expr
2361                             {
2362                                 $$ = $1;
2363                             }
2364                         | bitxor_expr '^' bitand_expr
2365                             {
2366                                 FIXME("bitwise XOR\n");
2367                             }
2368
2369 bitor_expr:               bitxor_expr
2370                             {
2371                                 $$ = $1;
2372                             }
2373                         | bitor_expr '|' bitxor_expr
2374                             {
2375                                 FIXME("bitwise OR\n");
2376                             }
2377
2378 logicand_expr:            bitor_expr
2379                             {
2380                                 $$ = $1;
2381                             }
2382                         | logicand_expr OP_AND bitor_expr
2383                             {
2384                                 FIXME("logic AND\n");
2385                             }
2386
2387 logicor_expr:             logicand_expr
2388                             {
2389                                 $$ = $1;
2390                             }
2391                         | logicor_expr OP_OR logicand_expr
2392                             {
2393                                 FIXME("logic OR\n");
2394                             }
2395
2396 conditional_expr:         logicor_expr
2397                             {
2398                                 $$ = $1;
2399                             }
2400                         | logicor_expr '?' expr ':' assignment_expr
2401                             {
2402                                 FIXME("ternary operator\n");
2403                             }
2404
2405 assignment_expr:          conditional_expr
2406                             {
2407                                 $$ = $1;
2408                             }
2409                         | unary_expr assign_op assignment_expr
2410                             {
2411                                 struct source_location loc;
2412
2413                                 set_location(&loc, &@2);
2414                                 if ($1->data_type->modifiers & HLSL_MODIFIER_CONST)
2415                                 {
2416                                     hlsl_report_message(loc.file, loc.line, loc.col, HLSL_LEVEL_ERROR,
2417                                             "l-value is const");
2418                                     return 1;
2419                                 }
2420                                 $$ = make_assignment($1, $2, BWRITERSP_WRITEMASK_ALL, $3);
2421                                 if (!$$)
2422                                     return 1;
2423                                 $$->loc = loc;
2424                             }
2425
2426 assign_op:                '='
2427                             {
2428                                 $$ = ASSIGN_OP_ASSIGN;
2429                             }
2430                         | OP_ADDASSIGN
2431                             {
2432                                 $$ = ASSIGN_OP_ADD;
2433                             }
2434                         | OP_SUBASSIGN
2435                             {
2436                                 $$ = ASSIGN_OP_SUB;
2437                             }
2438                         | OP_MULASSIGN
2439                             {
2440                                 $$ = ASSIGN_OP_MUL;
2441                             }
2442                         | OP_DIVASSIGN
2443                             {
2444                                 $$ = ASSIGN_OP_DIV;
2445                             }
2446                         | OP_MODASSIGN
2447                             {
2448                                 $$ = ASSIGN_OP_MOD;
2449                             }
2450                         | OP_LEFTSHIFTASSIGN
2451                             {
2452                                 $$ = ASSIGN_OP_LSHIFT;
2453                             }
2454                         | OP_RIGHTSHIFTASSIGN
2455                             {
2456                                 $$ = ASSIGN_OP_RSHIFT;
2457                             }
2458                         | OP_ANDASSIGN
2459                             {
2460                                 $$ = ASSIGN_OP_AND;
2461                             }
2462                         | OP_ORASSIGN
2463                             {
2464                                 $$ = ASSIGN_OP_OR;
2465                             }
2466                         | OP_XORASSIGN
2467                             {
2468                                 $$ = ASSIGN_OP_XOR;
2469                             }
2470
2471 expr:                     assignment_expr
2472                             {
2473                                 $$ = $1;
2474                             }
2475                         | expr ',' assignment_expr
2476                             {
2477                                 FIXME("Comma expression\n");
2478                             }
2479
2480 %%
2481
2482 static void set_location(struct source_location *loc, const struct YYLTYPE *l)
2483 {
2484     loc->file = hlsl_ctx.source_file;
2485     loc->line = l->first_line;
2486     loc->col = l->first_column;
2487 }
2488
2489 static DWORD add_modifier(DWORD modifiers, DWORD mod, const struct YYLTYPE *loc)
2490 {
2491     if (modifiers & mod)
2492     {
2493         hlsl_report_message(hlsl_ctx.source_file, loc->first_line, loc->first_column, HLSL_LEVEL_ERROR,
2494                 "modifier '%s' already specified", debug_modifiers(mod));
2495         return modifiers;
2496     }
2497     if (mod & (HLSL_MODIFIER_ROW_MAJOR | HLSL_MODIFIER_COLUMN_MAJOR)
2498             && modifiers & (HLSL_MODIFIER_ROW_MAJOR | HLSL_MODIFIER_COLUMN_MAJOR))
2499     {
2500         hlsl_report_message(hlsl_ctx.source_file, loc->first_line, loc->first_column, HLSL_LEVEL_ERROR,
2501                 "more than one matrix majority keyword");
2502         return modifiers;
2503     }
2504     return modifiers | mod;
2505 }
2506
2507 static void dump_function_decl(struct wine_rb_entry *entry, void *context)
2508 {
2509     struct hlsl_ir_function_decl *func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function_decl, entry);
2510     if (func->body)
2511         debug_dump_ir_function_decl(func);
2512 }
2513
2514 static void dump_function(struct wine_rb_entry *entry, void *context)
2515 {
2516     struct hlsl_ir_function *func = WINE_RB_ENTRY_VALUE(entry, struct hlsl_ir_function, entry);
2517     wine_rb_for_each_entry(&func->overloads, dump_function_decl, NULL);
2518 }
2519
2520 struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD major, DWORD minor,
2521         const char *entrypoint, char **messages)
2522 {
2523     struct hlsl_scope *scope, *next_scope;
2524     struct hlsl_type *hlsl_type, *next_type;
2525     struct hlsl_ir_var *var, *next_var;
2526     unsigned int i;
2527
2528     hlsl_ctx.status = PARSE_SUCCESS;
2529     hlsl_ctx.messages.size = hlsl_ctx.messages.capacity = 0;
2530     hlsl_ctx.line_no = hlsl_ctx.column = 1;
2531     hlsl_ctx.source_file = d3dcompiler_strdup("");
2532     hlsl_ctx.source_files = d3dcompiler_alloc(sizeof(*hlsl_ctx.source_files));
2533     if (hlsl_ctx.source_files)
2534         hlsl_ctx.source_files[0] = hlsl_ctx.source_file;
2535     hlsl_ctx.source_files_count = 1;
2536     hlsl_ctx.cur_scope = NULL;
2537     hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
2538     list_init(&hlsl_ctx.scopes);
2539     list_init(&hlsl_ctx.types);
2540     init_functions_tree(&hlsl_ctx.functions);
2541
2542     push_scope(&hlsl_ctx);
2543     hlsl_ctx.globals = hlsl_ctx.cur_scope;
2544     declare_predefined_types(hlsl_ctx.globals);
2545
2546     hlsl_parse();
2547
2548     if (TRACE_ON(hlsl_parser))
2549     {
2550         TRACE("IR dump.\n");
2551         wine_rb_for_each_entry(&hlsl_ctx.functions, dump_function, NULL);
2552     }
2553
2554     TRACE("Compilation status = %d\n", hlsl_ctx.status);
2555     if (messages)
2556     {
2557         if (hlsl_ctx.messages.size)
2558             *messages = hlsl_ctx.messages.string;
2559         else
2560             *messages = NULL;
2561     }
2562     else
2563     {
2564         if (hlsl_ctx.messages.capacity)
2565             d3dcompiler_free(hlsl_ctx.messages.string);
2566     }
2567
2568     for (i = 0; i < hlsl_ctx.source_files_count; ++i)
2569         d3dcompiler_free((void *)hlsl_ctx.source_files[i]);
2570     d3dcompiler_free(hlsl_ctx.source_files);
2571
2572     TRACE("Freeing functions IR.\n");
2573     wine_rb_destroy(&hlsl_ctx.functions, free_function_rb, NULL);
2574
2575     TRACE("Freeing variables.\n");
2576     LIST_FOR_EACH_ENTRY_SAFE(scope, next_scope, &hlsl_ctx.scopes, struct hlsl_scope, entry)
2577     {
2578         LIST_FOR_EACH_ENTRY_SAFE(var, next_var, &scope->vars, struct hlsl_ir_var, scope_entry)
2579         {
2580             free_declaration(var);
2581         }
2582         wine_rb_destroy(&scope->types, NULL, NULL);
2583         d3dcompiler_free(scope);
2584     }
2585
2586     TRACE("Freeing types.\n");
2587     LIST_FOR_EACH_ENTRY_SAFE(hlsl_type, next_type, &hlsl_ctx.types, struct hlsl_type, entry)
2588     {
2589         free_hlsl_type(hlsl_type);
2590     }
2591
2592     return NULL;
2593 }