+/************************************************************************
+ ************************************************************************
+ 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.
+ ************************************************************************
+ ************************************************************************/
+
+/*****************************************************************************
+ HISTORY
+ 22/01/05 : corrected bug on bool signals cached in float variables
+*****************************************************************************/
+
+
+#include <stdio.h>
+#include <iostream>
+#include <sstream>
+#include <vector>
+#include <assert.h>
+
+#ifndef __CONTEXTOR__
+#define __CONTEXTOR__
+
+/**
+ * An automatic stack of contexts
+ *
+ */
+class contextor
+{
+ static int top;
+ static int pile[1024];
+
+ public:
+ contextor(int n) { top=0; pile[top]=n; } // contructor to be called only once at the
+ // top level to initialize the stack
+
+ contextor() { assert(top >= 0 && top < 1023); int n = pile[top++]; pile[top] = n;}
+ ~contextor() {top--; }
+
+ void set(int n) { pile[top] = n; }
+ int get() { return pile[top]; }
+};
+
+#endif