src/mesa/shader/slang/slang_utility.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.3
   4  *
   5  * Copyright (C) 2005-2007  Brian Paul   All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the "Software"),
   9  * to deal in the Software without restriction, including without limitation
  10  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11  * and/or sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following conditions:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef SLANG_UTILITY_H
  26 #define SLANG_UTILITY_H
  27
  28
  29 /* Compile-time assertions.  If the expression is zero, try to declare an
  30  * array of size [-1] to cause compilation error.
  31  */
  32 #define static_assert(expr) do { int _array[(expr) ? 1 : -1]; (void) _array[0]; } while (0)
  33
  34
  35 #define slang_string_compare(str1, str2) _mesa_strcmp (str1, str2)
  36 #define slang_string_copy(dst, src) strcpy (dst, src)
  37 #define slang_string_length(str) _mesa_strlen (str)
  38
  39 char *slang_string_concat (char *, const char *);
  40
  41 /* slang_string */
  42
  43 typedef struct
  44 {
  45    char *data;
  46    GLuint length;
  47    GLuint capacity;
  48    GLboolean fail;
  49 } slang_string;
  50
  51 GLvoid
  52 slang_string_init (slang_string *);
  53
  54 GLvoid
  55 slang_string_free (slang_string *);
  56
  57 GLvoid
  58 slang_string_reset (slang_string *);
  59
  60 GLvoid
  61 slang_string_push (slang_string *, const slang_string *);
  62
  63 GLvoid
  64 slang_string_pushc (slang_string *, const char);
  65
  66 GLvoid
  67 slang_string_pushs (slang_string *, const char *, GLuint);
  68
  69 GLvoid
  70 slang_string_pushi (slang_string *, GLint);
  71
  72 const char *
  73 slang_string_cstr (slang_string *);
  74
  75 /* slang_atom */
  76
  77 typedef GLvoid *slang_atom;
  78
  79 #define SLANG_ATOM_NULL ((slang_atom) 0)
  80
  81 typedef struct slang_atom_entry_
  82 {
  83         char *id;
  84         struct slang_atom_entry_ *next;
  85 } slang_atom_entry;
  86
  87 #define SLANG_ATOM_POOL_SIZE 1023
  88
  89 typedef struct slang_atom_pool_
  90 {
  91         slang_atom_entry *entries[SLANG_ATOM_POOL_SIZE];
  92 } slang_atom_pool;
  93
  94 GLvoid slang_atom_pool_construct (slang_atom_pool *);
  95 GLvoid slang_atom_pool_destruct (slang_atom_pool *);
  96 slang_atom slang_atom_pool_atom (slang_atom_pool *, const char *);
  97 const char *slang_atom_pool_id (slang_atom_pool *, slang_atom);
  98
  99
 100 #endif