Rename interpretor to interpreter.

[Faustine.git] / 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
new file mode 100644 (file)
index 0000000..ddc05dc
--- /dev/null
+++ b/interpreter/preprocessor/faust-0.9.47mr3/compiler/tlib/occurrences.cpp
@@ -0,0 +1,85 @@
+/************************************************************************
+ ************************************************************************
+    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));
+       }
+}
+