54349aa04ce7f4a1d4feff6090fc644c9b8210a0
[Faustine.git] / interpretor / faust-0.9.47mr3 / compiler / signals / binop.hh
1 /************************************************************************
2 ************************************************************************
3 FAUST compiler
4 Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
5 ---------------------------------------------------------------------
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 ************************************************************************
20 ************************************************************************/
21
22
23
24 #ifndef _BINOP_
25 #define _BINOP_
26
27 #include "node.hh"
28
29 typedef const Node (*comp) (const Node& a, const Node& b);
30 typedef bool (*pred) (const Node& a);
31
32 struct BinOp
33 {
34 const char* fName;
35 const char* fNameVec;
36 const char* fNameScal;
37 comp fCompute;
38 pred fLeftNeutral;
39 pred fRightNeutral;
40 int fPriority;
41 //
42 BinOp (const char* name, const char* namevec, const char* namescal, comp f, pred ln, pred rn, int priority)
43 : fName(name), fNameVec(namevec), fNameScal(namescal), fCompute(f), fLeftNeutral(ln), fRightNeutral(rn), fPriority(priority) { }
44 //
45 Node compute(const Node& a, const Node& b) { return fCompute(a,b); }
46 //
47 bool isRightNeutral(const Node& a) { return fRightNeutral(a); }
48 bool isLeftNeutral(const Node& a) { return fLeftNeutral(a); }
49 };
50
51 extern BinOp* gBinOpTable[];
52 extern BinOp* gBinOpLateqTable[];
53
54
55 enum {
56 kAdd, kSub, kMul, kDiv, kRem,
57 kLsh, kRsh,
58 kGT, kLT, kGE, kLE, kEQ, kNE,
59 kAND, kOR, kXOR
60 };
61
62 #endif