dlls/d3dcompiler_43/hlsl.l

   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 %{
  23 #include "config.h"
  24 #include "wine/port.h"
  25 #include "wine/debug.h"
  26
  27 #define YY_NO_UNISTD_H
  28 #include "d3dcompiler_private.h"
  29 #include "hlsl.tab.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(hlsl_parser);
  32 %}
  33
  34 %option noyywrap nounput noinput
  35 %option prefix="hlsl_"
  36
  37 %x pp pp_line pp_pragma pp_ignore
  38
  39 RESERVED1               auto|case|catch|char|class|const_cast|default|delete|dynamic_cast|enum
  40 RESERVED2               explicit|friend|goto|long|mutable|new|operator|private|protected|public
  41 RESERVED3               reinterpret_cast|short|signed|sizeof|static_cast|template|this|throw|try
  42 RESERVED4               typename|union|unsigned|using|virtual
  43
  44 WS                      [ \t]
  45 NEWLINE                 (\n)|(\r\n)
  46 DOUBLESLASHCOMMENT      "//"[^\n]*
  47 STRING                  \"[^\"]*\"
  48 IDENTIFIER              [A-Za-z_][A-Za-z0-9_]*
  49
  50 ANY                     (.)
  51
  52 %%
  53 {RESERVED1}             {
  54                             hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
  55                             set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  56                         }
  57 {RESERVED2}             {
  58                             hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
  59                             set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  60                         }
  61 {RESERVED3}             {
  62                             hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
  63                             set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  64                         }
  65 {RESERVED4}             {
  66                             hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
  67                             set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  68                         }
  69
  70 BlendState              {return KW_BLENDSTATE;          }
  71 break                   {return KW_BREAK;               }
  72 Buffer                  {return KW_BUFFER;              }
  73 cbuffer                 {return KW_CBUFFER;             }
  74 compile                 {return KW_COMPILE;             }
  75 const                   {return KW_CONST;               }
  76 continue                {return KW_CONTINUE;            }
  77 DepthStencilState       {return KW_DEPTHSTENCILSTATE;   }
  78 DepthStencilView        {return KW_DEPTHSTENCILVIEW;    }
  79 discard                 {return KW_DISCARD;             }
  80 do                      {return KW_DO;                  }
  81 double                  {return KW_DOUBLE;              }
  82 else                    {return KW_ELSE;                }
  83 extern                  {return KW_EXTERN;              }
  84 false                   {return KW_FALSE;               }
  85 for                     {return KW_FOR;                 }
  86 GeometryShader          {return KW_GEOMETRYSHADER;      }
  87 groupshared             {return KW_GROUPSHARED;         }
  88 if                      {return KW_IF;                  }
  89 in                      {return KW_IN;                  }
  90 inline                  {return KW_INLINE;              }
  91 inout                   {return KW_INOUT;               }
  92 matrix                  {return KW_MATRIX;              }
  93 namespace               {return KW_NAMESPACE;           }
  94 nointerpolation         {return KW_NOINTERPOLATION;     }
  95 out                     {return KW_OUT;                 }
  96 pass                    {return KW_PASS;                }
  97 PixelShader             {return KW_PIXELSHADER;         }
  98 precise                 {return KW_PRECISE;             }
  99 RasterizerState         {return KW_RASTERIZERSTATE;     }
 100 RenderTargetView        {return KW_RENDERTARGETVIEW;    }
 101 return                  {return KW_RETURN;              }
 102 register                {return KW_REGISTER;            }
 103 sampler                 {return KW_SAMPLER;             }
 104 sampler1D               {return KW_SAMPLER1D;           }
 105 sampler2D               {return KW_SAMPLER2D;           }
 106 sampler3D               {return KW_SAMPLER3D;           }
 107 samplerCUBE             {return KW_SAMPLERCUBE;         }
 108 sampler_state           {return KW_SAMPLER_STATE;       }
 109 SamplerComparisonState  {return KW_SAMPLERCOMPARISONSTATE;}
 110 shared                  {return KW_SHARED;              }
 111 stateblock              {return KW_STATEBLOCK;          }
 112 stateblock_state        {return KW_STATEBLOCK_STATE;    }
 113 static                  {return KW_STATIC;              }
 114 string                  {return KW_STRING;              }
 115 struct                  {return KW_STRUCT;              }
 116 switch                  {return KW_SWITCH;              }
 117 tbuffer                 {return KW_TBUFFER;             }
 118 technique               {return KW_TECHNIQUE;           }
 119 technique10             {return KW_TECHNIQUE10;         }
 120 texture                 {return KW_TEXTURE;             }
 121 texture1D               {return KW_TEXTURE1D;           }
 122 Texture1DArray          {return KW_TEXTURE1DARRAY;      }
 123 texture2D               {return KW_TEXTURE2D;           }
 124 Texture2DArray          {return KW_TEXTURE2DARRAY;      }
 125 Texture2DMS             {return KW_TEXTURE2DMS;         }
 126 Texture2DMSArray        {return KW_TEXTURE2DMSARRAY;    }
 127 texture3D               {return KW_TEXTURE3D;           }
 128 Texture3DArray          {return KW_TEXTURE3DARRAY;      }
 129 textureCUBE             {return KW_TEXTURECUBE;         }
 130 true                    {return KW_TRUE;                }
 131 typedef                 {return KW_TYPEDEF;             }
 132 uniform                 {return KW_UNIFORM;             }
 133 vector                  {return KW_VECTOR;              }
 134 VertexShader            {return KW_VERTEXSHADER;        }
 135 void                    {return KW_VOID;                }
 136 volatile                {return KW_VOLATILE;            }
 137 while                   {return KW_WHILE;               }
 138
 139 \+\+                    {return OP_INC;                 }
 140 \-\-                    {return OP_DEC;                 }
 141 &&                      {return OP_AND;                 }
 142 \|\|                    {return OP_OR;                  }
 143 ==                      {return OP_EQ;                  }
 144 \<\<                    {return OP_LEFTSHIFT;           }
 145 \<\<=                   {return OP_LEFTSHIFTASSIGN;     }
 146 \>\>                    {return OP_RIGHTSHIFT;          }
 147 \>\>=                   {return OP_RIGHTSHIFTASSIGN;    }
 148 \.\.\.                  {return OP_ELLIPSIS;            }
 149 \<=                     {return OP_LE;                  }
 150 \>=                     {return OP_GE;                  }
 151 !=                      {return OP_NE;                  }
 152 \+=                     {return OP_ADDASSIGN;           }
 153 \-=                     {return OP_SUBASSIGN;           }
 154 \*=                     {return OP_MULASSIGN;           }
 155 \/=                     {return OP_DIVASSIGN;           }
 156 %=                      {return OP_MODASSIGN;           }
 157 &=                      {return OP_ANDASSIGN;           }
 158 \|=                     {return OP_ORASSIGN;            }
 159 ^=                      {return OP_XORASSIGN;           }
 160 ##                      {return OP_UNKNOWN1;            }
 161 #@                      {return OP_UNKNOWN2;            }
 162 ::                      {return OP_UNKNOWN3;            }
 163 \-\>                    {return OP_UNKNOWN4;            }
 164
 165 column_major            {return KW_COLUMN_MAJOR;        }
 166 row_major               {return KW_ROW_MAJOR;           }
 167
 168 {IDENTIFIER}            {
 169                             hlsl_lval.name = d3dcompiler_strdup(yytext);
 170                             if (get_variable(hlsl_ctx.cur_scope, yytext)
 171                                     || find_function(yytext))
 172                                 return VAR_IDENTIFIER;
 173                             else if (get_type(hlsl_ctx.cur_scope, yytext, TRUE))
 174                                 return TYPE_IDENTIFIER;
 175                             else
 176                                 return NEW_IDENTIFIER;
 177                         }
 178
 179 [+-]?[0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[h|H|f|F]? {
 180                             hlsl_lval.floatval = atof(yytext);
 181                             return C_FLOAT;
 182                         }
 183 [+-]?[0-9]+\.([eE][+-]?[0-9]+)?[h|H|f|F]? {
 184                             hlsl_lval.floatval = atof(yytext);
 185                             return C_FLOAT;
 186                         }
 187 [+-]?[0-9]+([eE][+-]?[0-9]+)?[h|H|f|F] {
 188                             hlsl_lval.floatval = atof(yytext);
 189                             return C_FLOAT;
 190                         }
 191 0x[0-9a-fA-F]+          {
 192                             sscanf(yytext, "0x%x", &hlsl_lval.intval);
 193                             return C_INTEGER;
 194                         }
 195 0[0-7]+                 {
 196                             sscanf(yytext, "0%o", &hlsl_lval.intval);
 197                             return C_INTEGER;
 198                         }
 199 \-?[0-9]+               {
 200                             hlsl_lval.intval = (atoi(yytext));
 201                             return C_INTEGER;
 202                         }
 203
 204 {DOUBLESLASHCOMMENT}    {}
 205
 206 {WS}+                   {}
 207 {NEWLINE}               {
 208                             hlsl_ctx.line_no++;
 209                         }
 210
 211 ^#                      {
 212                             BEGIN pp;
 213                         }
 214
 215 <pp>pragma{WS}+         {
 216                             TRACE("Got a #pragma.\n");
 217                             BEGIN pp_pragma;
 218                         }
 219 <pp_pragma>pack_matrix{WS}*\({WS}*row_major{WS}*\) {
 220                             TRACE("#pragma setting row_major mode.\n");
 221                             hlsl_ctx.matrix_majority = HLSL_ROW_MAJOR;
 222                             BEGIN pp_ignore;
 223                         }
 224 <pp_pragma>pack_matrix{WS}*\({WS}*column_major{WS}*\) {
 225                             TRACE("#pragma setting column_major mode.\n");
 226                             hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
 227                             BEGIN pp_ignore;
 228                         }
 229 <pp_pragma>{NEWLINE}    {
 230                             FIXME("Unsupported preprocessor #pragma directive at line %u.\n", hlsl_ctx.line_no);
 231                             BEGIN INITIAL;
 232                         }
 233 <pp_pragma>{ANY}        {}
 234 <pp>[0-9]+              {
 235                             TRACE("Preprocessor line info.\n");
 236                             BEGIN pp_line;
 237                             hlsl_lval.intval = (atoi(yytext));
 238                             return PRE_LINE;
 239                         }
 240 <pp_line>{STRING}       {
 241                             char *string = d3dcompiler_strdup(yytext + 1);
 242
 243                             BEGIN pp_ignore;
 244                             string[strlen(string) - 1] = 0;
 245                             hlsl_lval.name = string;
 246                             return STRING;
 247                         }
 248 <pp_line>{WS}+          {}
 249 <pp_line>{NEWLINE}      {
 250                             FIXME("Malformed preprocessor line directive?\n");
 251                             BEGIN INITIAL;
 252                         }
 253 <pp_ignore>{NEWLINE}    {
 254                             BEGIN INITIAL;
 255                         }
 256 <pp_ignore>{ANY}        {}
 257 <pp>{NEWLINE}           {
 258                             FIXME("Unexpected preprocessor directive.\n");
 259                             BEGIN INITIAL;
 260                         }
 261 <pp>{ANY}               {}
 262
 263 {ANY}                   {
 264                             return yytext[0];
 265                         }
 266
 267 %%
 268
 269 struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD version, const char *entrypoint, char **messages);
 270
 271 struct bwriter_shader *parse_hlsl_shader(const char *text, enum shader_type type, DWORD version,
 272         const char *entrypoint, char **messages)
 273 {
 274     struct bwriter_shader *ret = NULL;
 275     YY_BUFFER_STATE buffer;
 276
 277     buffer = hlsl__scan_string(text);
 278     hlsl__switch_to_buffer(buffer);
 279
 280     ret = parse_hlsl(type, version, entrypoint, messages);
 281
 282     hlsl__delete_buffer(buffer);
 283     return ret;
 284 }