mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-17 20:09:50 +01:00
95 lines
2.6 KiB
C++
Executable File
95 lines
2.6 KiB
C++
Executable File
/**
|
|
* projectM -- Milkdrop-esque visualisation SDK
|
|
* Copyright (C)2003-2007 projectM Team
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
* See 'LICENSE.txt' included within this release
|
|
*
|
|
*/
|
|
/**
|
|
* $Id$
|
|
*
|
|
* Expression evaluators
|
|
*
|
|
* $Log$
|
|
*/
|
|
|
|
/* Eval.hpp: evaluation functions of expressions */
|
|
|
|
#ifndef __EVAL_H
|
|
#define __EVAL_H
|
|
|
|
#include "fatal.h"
|
|
//#include "projectM.hpp"
|
|
#include "Func.hpp"
|
|
#include "Param.hpp"
|
|
|
|
#define EVAL_DEBUG 0
|
|
//#define EVAL_DEBUG_DOUBLE 2
|
|
|
|
#define VAL_T 1
|
|
#define PREFUN_T 3
|
|
#define TREE_T 4
|
|
#define NONE_T 0
|
|
|
|
#define CONSTANT_TERM_T 0
|
|
#define PARAM_TERM_T 1
|
|
|
|
#define INFIX_ADD 0
|
|
#define INFIX_MINUS 1
|
|
#define INFIX_MOD 2
|
|
#define INFIX_DIV 3
|
|
#define INFIX_MULT 4
|
|
#define INFIX_OR 5
|
|
#define INFIX_AND 6
|
|
|
|
class DLLEXPORT InfixOp;
|
|
|
|
class Eval {
|
|
public:
|
|
static InfixOp *infix_add,
|
|
*infix_minus,
|
|
*infix_div,
|
|
*infix_mult,
|
|
*infix_or,
|
|
*infix_and,
|
|
*infix_mod,
|
|
*infix_negative,
|
|
*infix_positive;
|
|
|
|
float eval_gen_expr(GenExpr * gen_expr);
|
|
inline GenExpr * opt_gen_expr(GenExpr * gen_expr, int ** param_list);
|
|
|
|
GenExpr * const_to_expr(float val);
|
|
GenExpr * param_to_expr(Param * param);
|
|
GenExpr * prefun_to_expr(float (*func_ptr)(), GenExpr ** expr_list, int num_args);
|
|
|
|
static TreeExpr * new_tree_expr(InfixOp * infix_op, GenExpr * gen_expr, TreeExpr * left, TreeExpr * right);
|
|
static GenExpr * new_gen_expr(int type, void * item);
|
|
static ValExpr * new_val_expr(int type, Term *term);
|
|
|
|
static InfixOp * new_infix_op(int type, int precedence);
|
|
static int init_infix_ops();
|
|
static int destroy_infix_ops();
|
|
void reset_engine_vars();
|
|
|
|
GenExpr * clone_gen_expr(GenExpr * gen_expr);
|
|
TreeExpr * clone_tree_expr(TreeExpr * tree_expr);
|
|
ValExpr * clone_val_expr(ValExpr * val_expr);
|
|
PrefunExpr * clone_prefun_expr(PrefunExpr * prefun_expr);
|
|
};
|
|
|
|
#endif /** !_EVAL_H */
|