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 #define YY_USER_ACTION                               \
  34    do {                                              \
  35       hlsl_lloc.first_column = hlsl_ctx.column;      \
  36       hlsl_lloc.first_line = hlsl_ctx.line_no;       \
  37       hlsl_ctx.column += yyleng;                     \
  38    } while(0);
  39
  40 %}
  41
  42 %option noyywrap nounput noinput never-interactive
  43 %option prefix="hlsl_"
  44
  45 %x pp pp_line pp_pragma pp_ignore
  46
  47 RESERVED1               auto|case|catch|char|class|const_cast|default|delete|dynamic_cast|enum
  48 RESERVED2               explicit|friend|goto|long|mutable|new|operator|private|protected|public
  49 RESERVED3               reinterpret_cast|short|signed|sizeof|static_cast|template|this|throw|try
  50 RESERVED4               typename|union|unsigned|using|virtual
  51
  52 WS                      [ \t]
  53 NEWLINE                 (\n)|(\r\n)
  54 DOUBLESLASHCOMMENT      "//"[^\n]*
  55 STRING                  \"[^\"]*\"
  56 IDENTIFIER              [A-Za-z_][A-Za-z0-9_]*
  57
  58 ANY                     (.)
  59
  60 %%
  61 {RESERVED1}             {
  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 {RESERVED2}             {
  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 {RESERVED3}             {
  70                             hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
  71                             set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  72                         }
  73 {RESERVED4}             {
  74                             hlsl_message("Line %u: Reserved keyword \"%s\" used.\n", hlsl_ctx.line_no, yytext);
  75                             set_parse_status(&hlsl_ctx.status, PARSE_ERR);
  76                         }
  77
  78 BlendState              {return KW_BLENDSTATE;          }
  79 break                   {return KW_BREAK;               }
  80 Buffer                  {return KW_BUFFER;              }
  81 cbuffer                 {return KW_CBUFFER;             }
  82 compile                 {return KW_COMPILE;             }
  83 const                   {return KW_CONST;               }
  84 continue                {return KW_CONTINUE;            }
  85 DepthStencilState       {return KW_DEPTHSTENCILSTATE;   }
  86 DepthStencilView        {return KW_DEPTHSTENCILVIEW;    }
  87 discard                 {return KW_DISCARD;             }
  88 do                      {return KW_DO;                  }
  89 double                  {return KW_DOUBLE;              }
  90 else                    {return KW_ELSE;                }
  91 extern                  {return KW_EXTERN;              }
  92 false                   {return KW_FALSE;               }
  93 for                     {return KW_FOR;                 }
  94 GeometryShader          {return KW_GEOMETRYSHADER;      }
  95 groupshared             {return KW_GROUPSHARED;         }
  96 if                      {return KW_IF;                  }
  97 in                      {return KW_IN;                  }
  98 inline                  {return KW_INLINE;              }
  99 inout                   {return KW_INOUT;               }
 100 matrix                  {return KW_MATRIX;              }
 101 namespace               {return KW_NAMESPACE;           }
 102 nointerpolation         {return KW_NOINTERPOLATION;     }
 103 out                     {return KW_OUT;                 }
 104 pass                    {return KW_PASS;                }
 105 PixelShader             {return KW_PIXELSHADER;         }
 106 precise                 {return KW_PRECISE;             }
 107 RasterizerState         {return KW_RASTERIZERSTATE;     }
 108 RenderTargetView        {return KW_RENDERTARGETVIEW;    }
 109 return                  {return KW_RETURN;              }
 110 register                {return KW_REGISTER;            }
 111 sampler                 {return KW_SAMPLER;             }
 112 sampler1D               {return KW_SAMPLER1D;           }
 113 sampler2D               {return KW_SAMPLER2D;           }
 114 sampler3D               {return KW_SAMPLER3D;           }
 115 samplerCUBE             {return KW_SAMPLERCUBE;         }
 116 sampler_state           {return KW_SAMPLER_STATE;       }
 117 SamplerComparisonState  {return KW_SAMPLERCOMPARISONSTATE;}
 118 shared                  {return KW_SHARED;              }
 119 stateblock              {return KW_STATEBLOCK;          }
 120 stateblock_state        {return KW_STATEBLOCK_STATE;    }
 121 static                  {return KW_STATIC;              }
 122 string                  {return KW_STRING;              }
 123 struct                  {return KW_STRUCT;              }
 124 switch                  {return KW_SWITCH;              }
 125 tbuffer                 {return KW_TBUFFER;             }
 126 technique               {return KW_TECHNIQUE;           }
 127 technique10             {return KW_TECHNIQUE10;         }
 128 texture                 {return KW_TEXTURE;             }
 129 texture1D               {return KW_TEXTURE1D;           }
 130 Texture1DArray          {return KW_TEXTURE1DARRAY;      }
 131 texture2D               {return KW_TEXTURE2D;           }
 132 Texture2DArray          {return KW_TEXTURE2DARRAY;      }
 133 Texture2DMS             {return KW_TEXTURE2DMS;         }
 134 Texture2DMSArray        {return KW_TEXTURE2DMSARRAY;    }
 135 texture3D               {return KW_TEXTURE3D;           }
 136 Texture3DArray          {return KW_TEXTURE3DARRAY;      }
 137 textureCUBE             {return KW_TEXTURECUBE;         }
 138 true                    {return KW_TRUE;                }
 139 typedef                 {return KW_TYPEDEF;             }
 140 uniform                 {return KW_UNIFORM;             }
 141 vector                  {return KW_VECTOR;              }
 142 VertexShader            {return KW_VERTEXSHADER;        }
 143 void                    {return KW_VOID;                }
 144 volatile                {return KW_VOLATILE;            }
 145 while                   {return KW_WHILE;               }
 146
 147 \+\+                    {return OP_INC;                 }
 148 \-\-                    {return OP_DEC;                 }
 149 &&                      {return OP_AND;                 }
 150 \|\|                    {return OP_OR;                  }
 151 ==                      {return OP_EQ;                  }
 152 \<\<                    {return OP_LEFTSHIFT;           }
 153 \<\<=                   {return OP_LEFTSHIFTASSIGN;     }
 154 \>\>                    {return OP_RIGHTSHIFT;          }
 155 \>\>=                   {return OP_RIGHTSHIFTASSIGN;    }
 156 \.\.\.                  {return OP_ELLIPSIS;            }
 157 \<=                     {return OP_LE;                  }
 158 \>=                     {return OP_GE;                  }
 159 !=                      {return OP_NE;                  }
 160 \+=                     {return OP_ADDASSIGN;           }
 161 \-=                     {return OP_SUBASSIGN;           }
 162 \*=                     {return OP_MULASSIGN;           }
 163 \/=                     {return OP_DIVASSIGN;           }
 164 %=                      {return OP_MODASSIGN;           }
 165 &=                      {return OP_ANDASSIGN;           }
 166 \|=                     {return OP_ORASSIGN;            }
 167 ^=                      {return OP_XORASSIGN;           }
 168 ##                      {return OP_UNKNOWN1;            }
 169 #@                      {return OP_UNKNOWN2;            }
 170 ::                      {return OP_UNKNOWN3;            }
 171 \-\>                    {return OP_UNKNOWN4;            }
 172
 173 column_major            {return KW_COLUMN_MAJOR;        }
 174 row_major               {return KW_ROW_MAJOR;           }
 175
 176 {IDENTIFIER}            {
 177                             hlsl_lval.name = d3dcompiler_strdup(yytext);
 178                             if (get_variable(hlsl_ctx.cur_scope, yytext)
 179                                     || find_function(yytext))
 180                                 return VAR_IDENTIFIER;
 181                             else if (get_type(hlsl_ctx.cur_scope, yytext, TRUE))
 182                                 return TYPE_IDENTIFIER;
 183                             else
 184                                 return NEW_IDENTIFIER;
 185                         }
 186
 187 [0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[h|H|f|F]? {
 188                             hlsl_lval.floatval = atof(yytext);
 189                             return C_FLOAT;
 190                         }
 191 [0-9]+\.([eE][+-]?[0-9]+)?[h|H|f|F]? {
 192                             hlsl_lval.floatval = atof(yytext);
 193                             return C_FLOAT;
 194                         }
 195 [0-9]+([eE][+-]?[0-9]+)?[h|H|f|F] {
 196                             hlsl_lval.floatval = atof(yytext);
 197                             return C_FLOAT;
 198                         }
 199 0x[0-9a-fA-F]+          {
 200                             sscanf(yytext, "0x%x", &hlsl_lval.intval);
 201                             return C_INTEGER;
 202                         }
 203 0[0-7]+                 {
 204                             sscanf(yytext, "0%o", &hlsl_lval.intval);
 205                             return C_INTEGER;
 206                         }
 207 [0-9]+                  {
 208                             hlsl_lval.intval = (atoi(yytext));
 209                             return C_INTEGER;
 210                         }
 211
 212 {DOUBLESLASHCOMMENT}    {}
 213
 214 {WS}+                   {}
 215 {NEWLINE}               {
 216                             hlsl_ctx.line_no++;
 217                             hlsl_ctx.column = 1;
 218                         }
 219
 220 ^#                      {
 221                             BEGIN pp;
 222                         }
 223
 224 <pp>pragma{WS}+         {
 225                             TRACE("Got a #pragma.\n");
 226                             BEGIN pp_pragma;
 227                         }
 228 <pp_pragma>pack_matrix{WS}*\({WS}*row_major{WS}*\) {
 229                             TRACE("#pragma setting row_major mode.\n");
 230                             hlsl_ctx.matrix_majority = HLSL_ROW_MAJOR;
 231                             BEGIN pp_ignore;
 232                         }
 233 <pp_pragma>pack_matrix{WS}*\({WS}*column_major{WS}*\) {
 234                             TRACE("#pragma setting column_major mode.\n");
 235                             hlsl_ctx.matrix_majority = HLSL_COLUMN_MAJOR;
 236                             BEGIN pp_ignore;
 237                         }
 238 <pp_pragma>{NEWLINE}    {
 239                             FIXME("Unsupported preprocessor #pragma directive at line %u.\n", hlsl_ctx.line_no);
 240                             BEGIN INITIAL;
 241                         }
 242 <pp_pragma>{ANY}        {}
 243 <pp>[0-9]+              {
 244                             TRACE("Preprocessor line info.\n");
 245                             BEGIN pp_line;
 246                             hlsl_lval.intval = (atoi(yytext));
 247                             return PRE_LINE;
 248                         }
 249 <pp_line>{STRING}       {
 250                             char *string = d3dcompiler_strdup(yytext + 1);
 251
 252                             BEGIN pp_ignore;
 253                             string[strlen(string) - 1] = 0;
 254                             hlsl_lval.name = string;
 255                             return STRING;
 256                         }
 257 <pp_line>{WS}+          {}
 258 <pp_line>{NEWLINE}      {
 259                             FIXME("Malformed preprocessor line directive?\n");
 260                             BEGIN INITIAL;
 261                         }
 262 <pp_ignore>{NEWLINE}    {
 263                             BEGIN INITIAL;
 264                         }
 265 <pp_ignore>{ANY}        {}
 266 <pp>{NEWLINE}           {
 267                             FIXME("Unexpected preprocessor directive.\n");
 268                             BEGIN INITIAL;
 269                         }
 270 <pp>{ANY}               {}
 271
 272 {ANY}                   {
 273                             return yytext[0];
 274                         }
 275
 276 %%
 277
 278 struct bwriter_shader *parse_hlsl(enum shader_type type, DWORD major, DWORD minor,
 279         const char *entrypoint, char **messages);
 280
 281 struct bwriter_shader *parse_hlsl_shader(const char *text, enum shader_type type, DWORD major, DWORD minor,
 282         const char *entrypoint, char **messages)
 283 {
 284     struct bwriter_shader *ret = NULL;
 285     YY_BUFFER_STATE buffer;
 286
 287     buffer = hlsl__scan_string(text);
 288     hlsl__switch_to_buffer(buffer);
 289
 290     ret = parse_hlsl(type, major, minor, entrypoint, messages);
 291
 292     hlsl__delete_buffer(buffer);
 293     return ret;
 294 }