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/*
* Mesa 3-D graphics library
* Version: 6.5.2
*
* Copyright (C) 2005-2006 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef SLANG_COMPILE_FUNCTION_H
#define SLANG_COMPILE_FUNCTION_H
/**
* Types of functions.
*/
typedef enum slang_function_kind_
{
SLANG_FUNC_ORDINARY,
SLANG_FUNC_CONSTRUCTOR,
SLANG_FUNC_OPERATOR
} slang_function_kind;
/**
* Description of a compiled shader function.
*/
typedef struct slang_function_
{
slang_function_kind kind;
slang_variable header; /**< The function's name and return type */
slang_variable_scope *parameters; /**< formal parameters AND local vars */
unsigned int param_count; /**< number of formal params (no locals) */
slang_operation *body; /**< The instruction tree */
} slang_function;
extern int slang_function_construct(slang_function *);
extern void slang_function_destruct(slang_function *);
extern slang_function *slang_function_new(slang_function_kind kind);
extern GLboolean
_slang_function_has_return_value(const slang_function *fun);
/**
* Basically, a list of compiled functions.
*/
typedef struct slang_function_scope_
{
slang_function *functions;
GLuint num_functions;
struct slang_function_scope_ *outer_scope;
} slang_function_scope;
extern GLvoid
_slang_function_scope_ctr(slang_function_scope *);
extern void
slang_function_scope_destruct(slang_function_scope *);
extern int
slang_function_scope_find_by_name(slang_function_scope *, slang_atom, int);
extern slang_function *
slang_function_scope_find(slang_function_scope *, slang_function *, int);
extern struct slang_function_ *
_slang_function_locate(const struct slang_function_scope_ *funcs,
slang_atom name, struct slang_operation_ *params,
GLuint num_params,
const struct slang_name_space_ *space,
slang_atom_pool *atoms, slang_info_log *log,
GLboolean *error);
#endif /* SLANG_COMPILE_FUNCTION_H */
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