src/mesa/shader/slang/slang_utility.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.6
   4  *
   5  * Copyright (C) 2005-2006  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 #if !defined SLANG_UTILITY_H
  26 #define SLANG_UTILITY_H
  27
  28 #if defined __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 /* Compile-time assertions.  If the expression is zero, try to declare an
  33  * array of size [-1] to cause compilation error.
  34  */
  35 #define static_assert(expr) do { int _array[(expr) ? 1 : -1]; (void) _array[0]; } while (0)
  36
  37 #define slang_alloc_free(ptr) _mesa_free (ptr)
  38 #define slang_alloc_malloc(size) _mesa_malloc (size)
  39 #define slang_alloc_realloc(ptr, old_size, size) _mesa_realloc (ptr, old_size, size)
  40 #define slang_string_compare(str1, str2) _mesa_strcmp (str1, str2)
  41 #define slang_string_copy(dst, src) _mesa_strcpy (dst, src)
  42 #define slang_string_duplicate(src) _mesa_strdup (src)
  43 #define slang_string_length(str) _mesa_strlen (str)
  44
  45 char *slang_string_concat (char *, const char *);
  46
  47 /* slang_string */
  48
  49 typedef struct
  50 {
  51    char *data;
  52    GLuint length;
  53    GLuint capacity;
  54    GLboolean fail;
  55 } slang_string;
  56
  57 GLvoid
  58 slang_string_init (slang_string *);
  59
  60 GLvoid
  61 slang_string_free (slang_string *);
  62
  63 GLvoid
  64 slang_string_reset (slang_string *);
  65
  66 GLvoid
  67 slang_string_push (slang_string *, const slang_string *);
  68
  69 GLvoid
  70 slang_string_pushc (slang_string *, const char);
  71
  72 GLvoid
  73 slang_string_pushs (slang_string *, const char *, GLuint);
  74
  75 GLvoid
  76 slang_string_pushi (slang_string *, GLint);
  77
  78 const char *
  79 slang_string_cstr (slang_string *);
  80
  81 /* slang_atom */
  82
  83 typedef GLvoid *slang_atom;
  84
  85 #define SLANG_ATOM_NULL ((slang_atom) 0)
  86
  87 typedef struct slang_atom_entry_
  88 {
  89         char *id;
  90         struct slang_atom_entry_ *next;
  91 } slang_atom_entry;
  92
  93 #define SLANG_ATOM_POOL_SIZE 1023
  94
  95 typedef struct slang_atom_pool_
  96 {
  97         slang_atom_entry *entries[SLANG_ATOM_POOL_SIZE];
  98 } slang_atom_pool;
  99
 100 GLvoid slang_atom_pool_construct (slang_atom_pool *);
 101 GLvoid slang_atom_pool_destruct (slang_atom_pool *);
 102 slang_atom slang_atom_pool_atom (slang_atom_pool *, const char *);
 103 const char *slang_atom_pool_id (slang_atom_pool *, slang_atom);
 104
 105 slang_atom
 106 slang_atom_pool_gen(slang_atom_pool * pool, const char *prefix);
 107
 108
 109 #ifdef __cplusplus
 110 }
 111 #endif
 112
 113 #endif
 114