interpretor/preprocessor/faust-0.9.47mr3/compiler/extended/xtended.hh

   1 #ifndef __XTENDED__
   2 #define __XTENDED__
   3
   4 // xtended
   5 #include "tlib.hh"
   6 #include "sigtype.hh"
   7 #include "klass.hh"
   8 #include "sigvisitor.hh"
   9 #include <vector>
  10 #include "lateq.hh"
  11
  12 class xtended
  13 {
  14         Symbol*         fSymbol;        ///< the symbol the xtended is attached to
  15  public:
  16
  17
  18         xtended (const char* name) :
  19                 fSymbol(::symbol(name)) {
  20                 setUserData(fSymbol, (void*)this);
  21         }
  22         virtual ~xtended() { setUserData(fSymbol, 0); }
  23
  24         Sym                             symbol()        { return fSymbol; }
  25         const char *    name ()         { return ::name(fSymbol); }
  26
  27         Tree                    box () {
  28                                                 Tree b = tree(fSymbol);
  29                                                 assert(getUserData(b) != 0);
  30                                                 return b;
  31                                         }
  32
  33         // virtual method to be implemented by subclasses
  34         virtual unsigned int    arity () = 0;
  35         virtual string  generateCode (Klass* klass, const vector<string>& args, const vector<Type>& types) = 0;
  36         virtual string  generateLateq (Lateq* lateq, const vector<string>& args, const vector<Type>& types) = 0;
  37         virtual int     infereSigOrder (const vector<int>& args) = 0;
  38         virtual Type    infereSigType (const vector<Type>& args) = 0;
  39         virtual Tree    computeSigOutput (const vector<Tree>& args) = 0;
  40         virtual bool    needCache () = 0;
  41
  42     virtual bool    isSpecialInfix()    { return false; }   ///< generaly false, but true for binary op # such that #(x) == _#x
  43 };
  44
  45 // -- Trigonometric Functions
  46
  47 extern xtended* gAcosPrim;
  48 extern xtended* gAsinPrim;
  49 extern xtended* gAtanPrim;
  50 extern xtended* gAtan2Prim;
  51
  52 extern xtended* gSinPrim;
  53 extern xtended* gCosPrim;
  54 extern xtended* gTanPrim;
  55
  56
  57 // -- Exponential Functions
  58
  59 extern xtended* gExpPrim;
  60 extern xtended* gLogPrim;
  61 extern xtended* gLog10Prim;
  62 extern xtended* gPowPrim;
  63
  64 extern xtended* gSqrtPrim;
  65 extern xtended* gCbrtPrim;
  66 extern xtended* gHypotPrim;
  67 extern xtended* gLdexpPrim;
  68 extern xtended* gScalbPrim;
  69 extern xtended* gLog1pPrim;
  70 extern xtended* gLogbPrim;
  71 extern xtended* gIlogbPrim;
  72 extern xtended* gExpm1Prim;
  73
  74
  75 // -- Hyperbolic Functions
  76
  77 extern xtended* gAcoshPrim;
  78 extern xtended* gAsinhPrim;
  79 extern xtended* gAtanhPrim;
  80
  81 extern xtended* gSinhPrim;
  82 extern xtended* gCoshPrim;
  83 extern xtended* gTanhPrim;
  84
  85
  86 // -- Remainder Functions
  87
  88 extern xtended* gFmodPrim;
  89 extern xtended* gRemainderPrim;
  90
  91 // -- Nearest Integer Functions
  92
  93 extern xtended* gFloorPrim;
  94 extern xtended* gCeilPrim;
  95 extern xtended* gRintPrim;
  96
  97
  98 // -- Miscellaneous Functions
  99
 100 extern xtended* gAbsPrim;
 101 extern xtended* gMaxPrim;
 102 extern xtended* gMinPrim;
 103
 104 #endif