interpretor/faust-0.9.47mr3/compiler/headers/eval.hh

   1 /************************************************************************
   2  ************************************************************************
   3     FAUST compiler
   4         Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
   5     ---------------------------------------------------------------------
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  ************************************************************************
  20  ************************************************************************/
  21
  22 #ifndef __EVALBOXES__
  23 #define __EVALBOXES__
  24
  25
  26
  27 /**
  28  * \file eval.hh
  29  *
  30  * Interface of the block diagram evaluator.
  31  *
  32  * A strict lambda-calculus evaluator for block diagram expressions.
  33  *
  34  **/
  35
  36
  37
  38 #include "boxes.hh"
  39 #include "sourcereader.hh"
  40 #include "environment.hh"
  41
  42 /**
  43  * Eval the definition of 'process'.
  44  *
  45  * Eval the definition of 'process' in the environment passed as argument
  46  * @param eqlist the global environment (a list of definitions)
  47  * @return the 'process' block diagram in normal form that is
  48  **/
  49
  50 Tree evalprocess (Tree eqlist);
  51 Tree evaldocexpr (Tree docexpr, Tree eqlist);
  52
  53
  54 /**
  55  * Push a new layer and add a single definition.
  56  * @param id the symbol id to be defined
  57  * @param def the definition to be binded to the symbol id
  58  * @param lenv the environment where to push the layer and add the definition
  59  * @return the new environment
  60  */
  61 Tree pushValueDef(Tree id, Tree def, Tree lenv);
  62
  63 /* numeric simplification of pattern arguments */
  64 Tree simplifyPattern (Tree pattern);
  65
  66 #endif