X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/c7f552fd8888da2f0d8cfb228fe0f28d3df3a12c..b4b6f2ea75b9f0f3ca918f5b84016610bf7a4d4f:/interpretor/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.hh

diff --git a/interpretor/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.hh b/interpretor/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.hh
new file mode 100644
index 0000000..54de4dc
--- /dev/null
+++ b/interpretor/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.hh
@@ -0,0 +1,46 @@
+/************************************************************************
+ ************************************************************************
+    FAUST compiler
+	Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
+    ---------------------------------------------------------------------
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ ************************************************************************
+ ************************************************************************/
+
+#ifndef __OCCURENCES__
+#define __OCCURENCES__
+
+#include "tlib.hh"
+
+/**
+ * Count subtree occurences
+ * Count the number of occurences of each subtree of a root tree.
+ */
+
+class Occurrences
+{
+	Tree	fKey;					// specific property key
+
+ public:
+	Occurrences(Tree root);			// count the occurrences of each subtree of root
+	int getCount(Tree t);			// return the number of occurrences of t in root
+
+ private:
+	Tree specificKey(Tree root);	// specific key for occurences counting in root
+	void countOccurrences(Tree t);	// increment the occurrences of t and its subtrees
+	void setCount(Tree t, int c);	// set the number of occurrences of t
+};
+
+#endif