interpreter/preprocessor/faust-0.9.47mr3/compiler/generator/compile_scal.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
  23
  24 #ifndef _COMPILE_SCAL_
  25 #define _COMPILE_SCAL_
  26
  27 #include <utility>
  28 #include "compile.hh"
  29 #include "sigtyperules.hh"
  30 #include "sigraterules.hh"
  31 #include "occurences.hh"
  32 #include "property.hh"
  33
  34 ////////////////////////////////////////////////////////////////////////
  35 /**
  36  * Compile a list of FAUST signals into a scalar C++ class
  37  */
  38 ///////////////////////////////////////////////////////////////////////
  39
  40 class ScalarCompiler : public Compiler
  41 {
  42   protected:
  43     property<string>            fCompileProperty;
  44     property<string>            fVectorProperty;
  45     property<pair<string,string> >  fStaticInitProperty;        // property added to solve 20101208 kjetil bug
  46     property<pair<string,string> >  fInstanceInitProperty;      // property added to solve 20101208 kjetil bug
  47
  48         static map<string, int>         fIDCounters;
  49         Tree                            fSharingKey;
  50         OccMarkup                                       fOccMarkup;
  51     bool                                                fHasIota;
  52
  53     RateInferrer*               fRates;
  54
  55   public:
  56
  57         ScalarCompiler ( const string& name, const string& super, int numInputs, int numOutputs) :
  58                 Compiler(name,super,numInputs,numOutputs,false),
  59         fHasIota(false),
  60         fRates(0)
  61         {}
  62
  63         ScalarCompiler ( Klass* k) :
  64                 Compiler(k),
  65         fHasIota(false)
  66         {}
  67
  68         virtual void            compileMultiSignal  (Tree lsig);
  69         virtual void            compileSingleSignal (Tree lsig);
  70
  71
  72   protected:
  73
  74     virtual string      CS (Tree sig);
  75     virtual string      generateCode (Tree sig);
  76     virtual string      generateCacheCode(Tree sig, const string& exp) ;
  77
  78     virtual string      generateVariableStore(Tree sig, const string& exp);
  79
  80         string          getFreshID (const string& prefix);
  81
  82         void            compilePreparedSignalList (Tree lsig);
  83         Tree            prepare(Tree L0);
  84         Tree            prepare2 (Tree L0);
  85
  86
  87         bool            getCompiledExpression(Tree sig, string& name);
  88         string          setCompiledExpression(Tree sig, const string& name);
  89
  90         void            setVectorNameProperty(Tree sig, const string& vecname);
  91         bool            getVectorNameProperty(Tree sig, string& vecname);
  92
  93         int             getSharingCount(Tree t);
  94         void            setSharingCount(Tree t, int count);
  95         void            sharingAnalysis(Tree t);
  96         void            sharingAnnotation(int vctxt, Tree t);
  97
  98
  99         // generation du code
 100
 101         string          generateXtended         (Tree sig);
 102         virtual string          generateFixDelay        (Tree sig, Tree arg, Tree size);
 103         string          generatePrefix          (Tree sig, Tree x, Tree e);
 104         string          generateIota            (Tree sig, Tree arg);
 105         string          generateBinOp           (Tree sig, int opcode, Tree arg1, Tree arg2);
 106
 107         string          generateFFun            (Tree sig, Tree ff, Tree largs);
 108
 109         string          generateInput           (Tree sig, const string& idx);
 110         string          generateOutput          (Tree sig, const string& idx, const string& arg1);
 111
 112         string          generateTable           (Tree sig, Tree tsize, Tree content);
 113         string          generateStaticTable     (Tree sig, Tree tsize, Tree content);
 114         string          generateWRTbl           (Tree sig, Tree tbl, Tree idx, Tree data);
 115         string          generateRDTbl           (Tree sig, Tree tbl, Tree idx);
 116         string          generateSigGen          (Tree sig, Tree content);
 117         string          generateStaticSigGen(Tree sig, Tree content);
 118
 119         string          generateSelect2         (Tree sig, Tree sel, Tree s1, Tree s2);
 120         string          generateSelect3         (Tree sig, Tree sel, Tree s1, Tree s2, Tree s3);
 121
 122         string          generateRecProj         (Tree sig, Tree exp, int i);
 123     void        generateRec         (Tree sig, Tree var, Tree le);
 124
 125         string          generateIntCast         (Tree sig, Tree x);
 126         string          generateFloatCast       (Tree sig, Tree x);
 127
 128         string          generateButton          (Tree sig, Tree label);
 129         string          generateCheckbox        (Tree sig, Tree label);
 130         string          generateVSlider         (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step);
 131         string          generateHSlider         (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step);
 132         string          generateNumEntry        (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step);
 133
 134         string          generateVBargraph       (Tree sig, Tree label, Tree min, Tree max, const string& exp);
 135         string          generateHBargraph       (Tree sig, Tree label, Tree min, Tree max, const string& exp);
 136
 137         string          generateNumber(Tree sig, const string& exp);
 138     string      generateFConst (Tree sig, const string& file, const string& name);
 139     string      generateFVar (Tree sig, const string& file, const string& name);
 140
 141         virtual string          generateDelayVec(Tree sig, const string& exp, const string& ctype, const string& vname, int mxd);
 142         string          generateDelayVecNoTemp(Tree sig, const string& exp, const string& ctype, const string& vname, int mxd);
 143         //string                generateDelayVecWithTemp(Tree sig, const string& exp, const string& ctype, const string& vname, int mxd);
 144     virtual void        generateDelayLine(const string& ctype, const string& vname, int mxd, const string& exp);
 145
 146     // up et down sampling
 147     virtual string              generateUpSample        (Tree sig, Tree arg, Tree size);
 148     virtual string              generateDownSample      (Tree sig, Tree arg, Tree size);
 149
 150
 151
 152         void            getTypedNames(Type t, const string& prefix, string& ctype, string& vname);
 153         void            ensureIotaCode();
 154     int         pow2limit(int x);
 155
 156
 157
 158 };
 159
 160 #endif