2 * Mesa 3-D graphics library
5 * Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
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:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
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.
25 #ifndef SLANG_COMPILE_VARIABLE_H
26 #define SLANG_COMPILE_VARIABLE_H
29 struct slang_ir_storage_
;
33 * A shading language program variable.
35 typedef struct slang_variable_
37 slang_fully_specified_type type
; /**< Variable's data type */
38 slang_atom a_name
; /**< The variable's name (char *) */
39 GLuint array_len
; /**< only if type == SLANG_SPEC_ARRAy */
40 struct slang_operation_
*initializer
; /**< Optional initializer code */
41 GLuint size
; /**< Variable's size in bytes */
43 GLboolean isTemp
; /**< a named temporary (__resultTmp) */
44 GLboolean declared
; /**< has the var been declared? */
45 struct slang_ir_storage_
*store
; /**< Storage for this var */
50 * Basically a list of variables, with a pointer to the parent scope.
52 typedef struct slang_variable_scope_
54 slang_variable
**variables
; /**< Array [num_variables] of ptrs to vars */
56 struct slang_variable_scope_
*outer_scope
;
57 } slang_variable_scope
;
60 extern slang_variable_scope
*
61 _slang_variable_scope_new(slang_variable_scope
*parent
);
64 _slang_variable_scope_ctr(slang_variable_scope
*);
67 slang_variable_scope_destruct(slang_variable_scope
*);
70 slang_variable_scope_copy(slang_variable_scope
*,
71 const slang_variable_scope
*);
73 extern slang_variable
*
74 slang_variable_scope_grow(slang_variable_scope
*);
77 slang_variable_construct(slang_variable
*);
80 slang_variable_destruct(slang_variable
*);
83 slang_variable_copy(slang_variable
*, const slang_variable
*);
85 extern slang_variable
*
86 _slang_variable_locate(const slang_variable_scope
*, const slang_atom a_name
,
90 #endif /* SLANG_COMPILE_VARIABLE_H */