src/mesa/shader/slang/slang_compile_function.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.2
   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 #ifndef SLANG_COMPILE_FUNCTION_H
  26 #define SLANG_COMPILE_FUNCTION_H
  27
  28
  29 struct slang_code_unit_;
  30
  31 /**
  32  * Types of functions.
  33  */
  34 typedef enum slang_function_kind_
  35 {
  36    SLANG_FUNC_ORDINARY,
  37    SLANG_FUNC_CONSTRUCTOR,
  38    SLANG_FUNC_OPERATOR
  39 } slang_function_kind;
  40
  41
  42 /**
  43  * Description of a compiled shader function.
  44  */
  45 typedef struct slang_function_
  46 {
  47    slang_function_kind kind;
  48    slang_variable header;      /**< The function's name and return type */
  49    slang_variable_scope *parameters; /**< formal parameters AND local vars */
  50    unsigned int param_count;   /**< number of formal params (no locals) */
  51    slang_operation *body;      /**< The instruction tree */
  52 } slang_function;
  53
  54 extern int slang_function_construct(slang_function *);
  55 extern void slang_function_destruct(slang_function *);
  56 extern slang_function *slang_new_function(slang_function_kind kind);
  57
  58
  59 /**
  60  * Basically, a list of compiled functions.
  61  */
  62 typedef struct slang_function_scope_
  63 {
  64    slang_function *functions;
  65    GLuint num_functions;
  66    struct slang_function_scope_ *outer_scope;
  67 } slang_function_scope;
  68
  69
  70 extern GLvoid
  71 _slang_function_scope_ctr(slang_function_scope *);
  72
  73 extern void
  74 slang_function_scope_destruct(slang_function_scope *);
  75
  76 extern GLboolean
  77 _slang_function_has_return_value(const slang_function *fun);
  78
  79 extern int
  80 slang_function_scope_find_by_name(slang_function_scope *, slang_atom, int);
  81
  82 extern slang_function *
  83 slang_function_scope_find(slang_function_scope *, slang_function *, int);
  84
  85 #endif /* SLANG_COMPILE_FUNCTION_H */