interpreter/preprocessor/faust-0.9.47mr3/compiler/headers/sigvisitor.hh

   1 #ifndef __SIGVISITOR__
   2 #define __SIGVISITOR__
   3
   4 #include "signals.hh"
   5
   6 struct sigvisitor
   7 {
   8         // predefined visit scheme
   9         void visit(Tree sig);
  10
  11         // Unrecognized signal (default handler)
  12         virtual void visitError         (Tree sig);
  13
  14         virtual ~sigvisitor() {}
  15
  16         //---------------abstract methods---------------
  17         // numbers
  18         virtual void visitInt           (Tree sig, int i) = 0;
  19         virtual void visitReal          (Tree sig, double r) = 0;
  20
  21         // audio inputs-outputs
  22         virtual void visitInput         (Tree sig, int i) = 0;
  23         virtual void visitOutput        (Tree sig, int i, Tree s) = 0;
  24
  25         // fixed size delays
  26         virtual void visitDelay1        (Tree sig, Tree s) = 0;
  27         virtual void visitPrefix        (Tree sig, Tree s1, Tree s2) = 0;
  28         virtual void visitFixDelay      (Tree sig, Tree s1, Tree s2) = 0;
  29
  30         // numerical operations
  31         virtual void visitBinOp         (Tree sig, int opcode, Tree s1, Tree s2) = 0;
  32         virtual void visitIntCast       (Tree sig, Tree s) = 0;
  33         virtual void visitFloatCast     (Tree sig, Tree s) = 0;
  34         virtual void visitFFun          (Tree sig, Tree ff, Tree ls) = 0;
  35     virtual void visitFConst    (Tree sig, Tree type, Tree name, Tree file) = 0;
  36     virtual void visitFVar      (Tree sig, Tree type, Tree name, Tree file) = 0;
  37
  38         // user interface
  39         virtual void visitButton        (Tree sig, Tree label) = 0;
  40         virtual void visitCheckbox      (Tree sig, Tree label) = 0;
  41         virtual void visitVSlider       (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step) = 0;
  42         virtual void visitHSlider       (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step) = 0;
  43         virtual void visitNumEntry      (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step) = 0;
  44         virtual void visitVBargraph     (Tree sig, Tree label, Tree min, Tree max, Tree s1) = 0;
  45         virtual void visitHBargraph     (Tree sig, Tree label, Tree min, Tree max, Tree s1) = 0;
  46         virtual void visitAttach        (Tree sig, Tree s1, Tree s2) = 0;
  47
  48         // recursive
  49         virtual void visitRec           (Tree sig, Tree var, Tree body) = 0;
  50         virtual void visitRef           (Tree sig, Tree var) = 0;
  51         virtual void visitProj          (Tree sig, int i, Tree s1) = 0;
  52
  53         // Tables
  54         virtual void visitTable         (Tree sig, Tree id, Tree s1, Tree s2) = 0;
  55         virtual void visitWRTbl         (Tree sig, Tree id, Tree s1, Tree s2, Tree s3) = 0;
  56         virtual void visitRDTbl         (Tree sig, Tree s1, Tree s2) = 0;
  57         virtual void visitGen           (Tree sig, Tree s1) = 0;
  58
  59     virtual void visitDocConstantTbl    (Tree sig, Tree s1, Tree s2) = 0;
  60     virtual void visitDocWriteTbl               (Tree sig, Tree s1, Tree s2, Tree s3, Tree s4) = 0;
  61     virtual void visitDocAccessTbl              (Tree sig, Tree s1, Tree s2) = 0;
  62
  63         // Selectors
  64         virtual void visitSelect2       (Tree sig, Tree sel, Tree s1, Tree s2) = 0;
  65         virtual void visitSelect3       (Tree sig, Tree sel, Tree s1, Tree s2, Tree s3) = 0;
  66
  67         // Tuples
  68         virtual void visitTuple                 (Tree sig, int mod, Tree ls) = 0;
  69         virtual void visitTupleAccess   (Tree sig, Tree ts, Tree idx) = 0;
  70
  71         // List of signals
  72         virtual void visitList          (Tree lsig) = 0;
  73 };
  74
  75 struct fullvisitor : sigvisitor
  76 {
  77         // numbers
  78         virtual void visitInt           (Tree sig, int i)                                                               {}
  79         virtual void visitReal          (Tree sig, double r)                                                    {}
  80
  81         // audio inputs-outputs
  82         virtual void visitInput         (Tree sig, int i)                                                               {}
  83         virtual void visitOutput        (Tree sig, int i, Tree s)                                               { visit(s);}
  84
  85         // fixed size delays
  86         virtual void visitDelay1        (Tree sig, Tree s)                                                      { visit(s);}
  87         virtual void visitPrefix        (Tree sig, Tree s1, Tree s2)                                    { visit(s1); visit(s2); }
  88         virtual void visitFixDelay      (Tree sig, Tree s1, Tree s2)                                    { visit(s1); visit(s2); }
  89
  90         // numerical operations
  91         virtual void visitIntCast       (Tree sig, Tree s)                                                              { visit(s);}
  92         virtual void visitFloatCast     (Tree sig, Tree s)                                                              { visit(s);}
  93         virtual void visitBinOp         (Tree sig, int op, Tree s1, Tree s2)                    { visit(s1); visit(s2); }
  94         virtual void visitFFun          (Tree sig, Tree ff, Tree ls)                                    { visit(ls); }
  95     virtual void visitFConst    (Tree sig, Tree type, Tree name, Tree file)     {}
  96     virtual void visitFVar      (Tree sig, Tree type, Tree name, Tree file)     {}
  97
  98         // user interface
  99         virtual void visitButton        (Tree sig, Tree label)                                                  {}
 100         virtual void visitCheckbox      (Tree sig, Tree label)                                                  {}
 101         virtual void visitVSlider       (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step) {}
 102         virtual void visitHSlider       (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step) {}
 103         virtual void visitNumEntry      (Tree sig, Tree label, Tree cur, Tree min, Tree max, Tree step) {}
 104         virtual void visitVBargraph     (Tree sig, Tree label, Tree min, Tree max, Tree s) { visit(s);}
 105         virtual void visitHBargraph     (Tree sig, Tree label, Tree min, Tree max, Tree s) { visit(s);}
 106         virtual void visitAttach        (Tree sig, Tree s1, Tree s2)                                    { visit(s1); visit(s2); }
 107
 108         // recursive
 109         virtual void visitRec           (Tree sig, Tree var, Tree body)                                 { visit(body); }
 110         virtual void visitRef           (Tree sig, Tree var)                                                    { }
 111         virtual void visitProj          (Tree sig, int i, Tree s)                                               { visit(s); }
 112
 113         // Tables
 114         virtual void visitTable         (Tree sig, Tree id, Tree s1, Tree s2)                   { visit(s1); visit(s2); }
 115         virtual void visitWRTbl         (Tree sig, Tree id, Tree s1, Tree s2, Tree s3)  { visit(s1); visit(s2); visit(s3); }
 116         virtual void visitRDTbl         (Tree sig, Tree s1, Tree s2)                                    { visit(s1); visit(s2); }
 117         virtual void visitGen           (Tree sig, Tree s1)                                                     { visit(s1); }
 118
 119         // Selectors
 120         virtual void visitSelect2       (Tree sig, Tree sel, Tree s1, Tree s2)                  { visit(sel); visit(s1); visit(s2); }
 121         virtual void visitSelect3       (Tree sig, Tree sel, Tree s1, Tree s2, Tree s3) { visit(sel); visit(s1); visit(s2); visit(s3); }
 122
 123         // Tuples
 124         virtual void visitTuple                 (Tree sig, int mod, Tree ls)                            { visit(ls); }
 125         virtual void visitTupleAccess   (Tree sig, Tree ts, Tree idx)                           { visit(ts); visit(idx); }
 126
 127         // List of signals
 128         virtual void visitList          (Tree lsig)                                                                     { while (!isNil(lsig)) { visit(hd(lsig)); lsig=tl(lsig); }}
 129 };
 130
 131 #endif