00001 /************************************************************************ 00002 ************************************************************************ 00003 FAUST compiler 00004 Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale 00005 --------------------------------------------------------------------- 00006 This program is free software; you can redistribute it and/or modify 00007 it under the terms of the GNU General Public License as published by 00008 the Free Software Foundation; either version 2 of the License, or 00009 (at your option) any later version. 00010 00011 This program is distributed in the hope that it will be useful, 00012 but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 GNU General Public License for more details. 00015 00016 You should have received a copy of the GNU General Public License 00017 along with this program; if not, write to the Free Software 00018 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00019 ************************************************************************ 00020 ************************************************************************/ 00021 00022 #ifndef __OCCURENCES__ 00023 #define __OCCURENCES__ 00024 00025 #include "tlib.hh" 00026 00032 class Occurrences 00033 { 00034 Tree fKey; // specific property key 00035 00036 public: 00037 Occurrences(Tree root); // count the occurrences of each subtree of root 00038 int getCount(Tree t); // return the number of occurrences of t in root 00039 00040 private: 00041 Tree specificKey(Tree root); // specific key for occurences counting in root 00042 void countOccurrences(Tree t); // increment the occurrences of t and its subtrees 00043 void setCount(Tree t, int c); // set the number of occurrences of t 00044 }; 00045 00046 #endif