X-Git-Url: https://scm.cri.ensmp.fr/git/Faustine.git/blobdiff_plain/1059e1cc0c2ecfa237406949aa26155b6a5b9154..66f23d4fabf89ad09adbd4dfc15ac6b5b2b7da83:/interpreter/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.cpp

diff --git a/interpreter/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.cpp b/interpreter/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.cpp
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+++ b/interpreter/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.cpp
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+/************************************************************************
+ ************************************************************************
+    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.
+ ************************************************************************
+ ************************************************************************/
+/**
+ * @file occurrences.cpp
+ * Count the number of occurences of each subtree of a root tree.
+ */
+ 
+ 
+ 
+
+// construction des representations graphiques
+
+
+#include "occurrences.hh"
+#include    "compatibility.hh"
+
+/**
+ * Count the number of occurrences of each subtree of root
+ */
+Occurrences::Occurrences(Tree root)
+{
+	fKey = specificKey(root);
+	countOccurrences(root);
+	setCount(root,0); 	// root as no occurences in itself
+}	
+
+/**
+ * Get the number of occurrences of t 
+ */
+int Occurrences::getCount(Tree t)
+{
+	Tree c;
+	return (getProperty(t, fKey, c)) ? c->node().getInt() : 0;
+}	
+
+/**
+ * Set the number of occurrences of t
+ */
+void Occurrences::setCount(Tree t, int c)
+{
+	setProperty(t, fKey, tree(c));
+}	
+
+
+
+/**
+ * Creates a specific property key for occurrences count in root
+ */
+Tree Occurrences::specificKey(Tree root) 
+{
+	char 	keyname[256];
+	snprintf(keyname, 256, "OCCURRENCES COUNT IN %p : ", (CTree*)root);
+
+	return tree(unique(keyname));	
+}	
+
+/**
+ * Increment the occurrences count of t and its subtrees
+ */
+void Occurrences::countOccurrences(Tree t)
+{	
+	setCount(t, getCount(t)+1);	// increment t occurrences count
+	for (int i=0; i<t->arity(); i++) {
+		countOccurrences(t->branch(i));
+	}
+}
+