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 void hlsl_message(const char *fmt, ...)
  36 {
  37     va_list args;
  38
  39     va_start(args, fmt);
  40     compilation_message(&hlsl_ctx.messages, fmt, args);
  41     va_end(args);
  42 }
  43
  44 static void hlsl_error(const char *s)
  45 {
  46     hlsl_message("Line %u: %s\n", hlsl_ctx.line_no, s);
  47     set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  48 }
  49
  50 %}
  51
  52 %error-verbose
  53
  54 %union
  55 {
  56     char *name;
  57     INT intval;
  58 }
  59
  60 %token <intval> PRE_LINE
  61
  62 %token <name> STRING
  63 %%
  64
  65 hlsl_prog:                /* empty */
  66                             {
  67                             }
  68                         | hlsl_prog preproc_directive
  69                             {
  70                             }
  71
  72 preproc_directive:        PRE_LINE STRING
  73                             {
  74                                 TRACE("Updating line information to file %s, line %u\n", debugstr_a($2), $1);
  75                                 hlsl_ctx.line_no = $1 - 1;
  76                                 d3dcompiler_free(hlsl_ctx.source_file);
  77                                 hlsl_ctx.source_file = $2;
  78                             }
  79
  80 %%
  81
  82 struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD version, const char *entrypoint, char **messages)
  83 {
  84     hlsl_ctx.line_no = 1;
  85     hlsl_ctx.source_file = d3dcompiler_strdup("");
  86     hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
  87
  88     hlsl_parse();
  89
  90     d3dcompiler_free(hlsl_ctx.source_file);
  91
  92     return NULL;
  93 }