interpreter/preprocessor/faust-0.9.47mr3/compiler/boxes/ppbox.cpp

   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 #include "list.hh"
  25 #include "boxes.hh"
  26 #include "ppbox.hh"
  27 #include "signals.hh"
  28 #include "prim2.hh"
  29 #include "xtended.hh"
  30
  31
  32 const char * prim0name(CTree *(*ptr) ())
  33 {
  34         return "prim0???";
  35 }
  36
  37 const char * prim1name(CTree *(*ptr) (CTree *))
  38 {
  39     if (ptr == sigDelay1)       return "mem";
  40     if (ptr == sigIntCast)      return "int";
  41     if (ptr == sigFloatCast)    return "float";
  42     if (ptr == sigSerialize)    return "serialize";
  43
  44     return "prim1???";
  45 }
  46
  47 const char * prim2name(CTree *(*ptr) (CTree *, CTree *))
  48 {
  49         if (ptr == sigAdd) return "+";
  50         if (ptr == sigSub) return "-";
  51         if (ptr == sigMul) return "*";
  52         if (ptr == sigDiv) return "/";
  53         if (ptr == sigRem) return "%";
  54
  55         if (ptr == sigAND) return "&";
  56         if (ptr == sigOR ) return "|";
  57         if (ptr == sigXOR) return "^";
  58
  59         if (ptr == sigLeftShift ) return "<< ";
  60         if (ptr == sigRightShift) return " >>";
  61
  62         if (ptr == sigLT) return "< ";
  63         if (ptr == sigLE) return "<=";
  64         if (ptr == sigGT) return " >";
  65         if (ptr == sigGE) return " >=";
  66         if (ptr == sigEQ) return "==";
  67         if (ptr == sigNE) return "!=";
  68
  69     if (ptr == sigFixDelay) return "@";
  70     if (ptr == sigPrefix)       return "prefix";
  71     if (ptr == sigAttach)       return "attach";
  72
  73     if (ptr == sigVectorize)    return "vectorize";
  74     if (ptr == sigVectorAt)     return "[]";
  75     if (ptr == sigConcat)       return "#";
  76
  77
  78
  79
  80         return "prim2???";
  81 }
  82
  83 const char * prim3name(CTree *(*ptr) (CTree *, CTree *, CTree *))
  84 {
  85         if (ptr == sigReadOnlyTable)    return "rdtable";
  86         if (ptr == sigSelect2)                  return "selecttwo";
  87         return "prim3???";
  88 }
  89
  90 const char * prim4name(CTree *(*ptr) (CTree *, CTree *, CTree *, CTree *))
  91 {
  92         if (ptr == sigSelect3)                  return "selectthree";
  93         return "prim4???";
  94 }
  95
  96 const char * prim5name(CTree *(*ptr) (CTree *, CTree *, CTree *, CTree *, CTree *))
  97 {
  98         if (ptr == sigWriteReadTable)   return "wrtable";
  99         return "prim5???";
 100 }
 101
 102
 103 static void streambinop(ostream& fout, Tree t1, const char* op, Tree t2, int curPriority, int upPriority)
 104 {
 105         if (upPriority > curPriority) fout << '(';
 106         fout << boxpp(t1,curPriority) << op << boxpp(t2,curPriority);
 107         if (upPriority > curPriority) fout << ')';
 108 }
 109
 110 static void printRule(ostream& fout, Tree rule)
 111 {
 112         Tree lhs = left(rule);
 113         Tree rhs = right(rule);
 114         char sep = '('; while (!isNil(lhs)) { fout << sep << boxpp(hd(lhs)); sep=','; lhs=tl(lhs); }
 115         fout << ") => " << boxpp(rhs) << "; ";
 116 }
 117
 118 /*****************************************************************************
 119          affichage d'une expression box comme en entree
 120 *****************************************************************************/
 121
 122 ostream& boxpp::print (ostream& fout) const
 123 {
 124         int             i, id;
 125         double  r;
 126         prim0   p0;
 127         prim1   p1;
 128         prim2   p2;
 129         prim3   p3;
 130         prim4   p4;
 131         prim5   p5;
 132
 133         Tree    t1, t2, t3, ff, label, cur, min, max, step, type, name, file, arg,
 134                         body, fun, args, abstr, genv, vis, lenv, ldef, slot,
 135                         ident, rules;
 136
 137         const char* str;
 138
 139         xtended* xt = (xtended*) getUserData(box);
 140
 141
 142         // primitive elements
 143                  if (xt)                                                fout << xt->name();
 144         else if (isBoxInt(box, &i))                     fout << i;
 145         else if (isBoxReal(box, &r))
 146                 {
 147                         fout.setf( ios_base::fixed );
 148                         fout.precision(16);
 149                         fout << r;
 150                             //fout.setf( ios_base::fixed);
 151                 }
 152
 153         else if (isBoxCut(box))                         fout << '!';
 154         else if (isBoxWire(box))                        fout << '_';
 155         else if (isBoxIdent(box, &str))         fout << str;
 156         else if (isBoxPrim0(box, &p0))          fout << prim0name(p0);
 157         else if (isBoxPrim1(box, &p1))          fout << prim1name(p1);
 158         else if (isBoxPrim2(box, &p2))          fout << prim2name(p2);
 159         else if (isBoxPrim3(box, &p3))          fout << prim3name(p3);
 160         else if (isBoxPrim4(box, &p4))          fout << prim4name(p4);
 161         else if (isBoxPrim5(box, &p5))          fout << prim5name(p5);
 162
 163         else if (isBoxAbstr(box,arg,body))      fout << "\\" << boxpp(arg) << ".(" << boxpp(body) << ")";
 164         else if (isBoxAppl(box, fun, args))     fout << boxpp(fun) << boxpp(args) ;
 165
 166         else if (isBoxWithLocalDef(box, body, ldef))    fout << boxpp(body) << " with { " << envpp(ldef) << " }";
 167
 168         // foreign elements
 169         else if (isBoxFFun(box, ff))            fout << "ffunction(" << ffname(ff) << ')';
 170     else if (isBoxFConst(box, type, name, file))
 171                                         fout << "fconstant(" /*<< tree2str(type) */<< tree2str(name) << ')';
 172     else if (isBoxFVar(box, type, name, file))
 173                                         fout << "fvariable(" << tree2str(name) << ')';
 174
 175         // block diagram binary operator
 176         else if (isBoxSeq(box, t1, t2))         streambinop(fout, t1, ":", t2, 1, priority);
 177         else if (isBoxSplit(box, t1, t2))       streambinop(fout, t1, "<:", t2, 1, priority);
 178         else if (isBoxMerge(box, t1, t2))       streambinop(fout, t1, ":>", t2, 1, priority);
 179         else if (isBoxPar(box, t1, t2))         streambinop(fout, t1,",",t2, 2, priority);
 180         else if (isBoxRec(box, t1, t2))         streambinop(fout, t1,"~",t2, 4, priority);
 181
 182         // iterative block diagram construction
 183         else if (isBoxIPar(box, t1, t2, t3))    fout << "par(" << boxpp(t1) << ", " << boxpp(t2) << ") {" << boxpp(t3) << "}";
 184         else if (isBoxISeq(box, t1, t2, t3))    fout << "seq(" << boxpp(t1) << ", " << boxpp(t2) << ") {" << boxpp(t3) << "}";
 185         else if (isBoxISum(box, t1, t2, t3))    fout << "sum(" << boxpp(t1) << ", " << boxpp(t2) << ") {" << boxpp(t3) << "}";
 186         else if (isBoxIProd(box, t1, t2, t3))   fout << "prod(" << boxpp(t1) << ", " << boxpp(t2) << ") {" << boxpp(t3) << "}";
 187
 188         // user interface
 189         else if (isBoxButton(box, label))       fout << "button(" << tree2str(label) << ')';
 190         else if (isBoxCheckbox(box, label))     fout << "checkbox(" << tree2str(label) << ')';
 191         else if (isBoxVSlider(box, label, cur, min, max, step))         {
 192                 fout << "vslider("
 193                          << tree2str(label) << ", "
 194                          << boxpp(cur) << ", "
 195                          << boxpp(min) << ", "
 196                          << boxpp(max) << ", "
 197                          << boxpp(step)<< ')';
 198         }
 199         else if (isBoxHSlider(box, label, cur, min, max, step))         {
 200                 fout << "hslider("
 201                          << tree2str(label) << ", "
 202                          << boxpp(cur) << ", "
 203                          << boxpp(min) << ", "
 204                          << boxpp(max) << ", "
 205                          << boxpp(step)<< ')';
 206         }
 207         else if (isBoxVGroup(box, label, t1)) {
 208                 fout << "vgroup(" << tree2str(label) << ", " << boxpp(t1, 0) << ')';
 209         }
 210         else if (isBoxHGroup(box, label, t1)) {
 211                 fout << "hgroup(" << tree2str(label) << ", " << boxpp(t1, 0) << ')';
 212         }
 213         else if (isBoxTGroup(box, label, t1)) {
 214                 fout << "tgroup(" << tree2str(label) << ", " << boxpp(t1, 0) << ')';
 215         }
 216         else if (isBoxHBargraph(box, label, min, max))  {
 217                 fout << "hbargraph("
 218                          << tree2str(label) << ", "
 219                          << boxpp(min) << ", "
 220                          << boxpp(max) << ')';
 221         }
 222         else if (isBoxVBargraph(box, label, min, max))  {
 223                 fout << "vbargraph("
 224                          << tree2str(label) << ", "
 225                          << boxpp(min) << ", "
 226                          << boxpp(max) << ')';
 227         }
 228         else if (isBoxNumEntry(box, label, cur, min, max, step))        {
 229                 fout << "nentry("
 230                          << tree2str(label) << ", "
 231                          << boxpp(cur) << ", "
 232                          << boxpp(min) << ", "
 233                          << boxpp(max) << ", "
 234                          << boxpp(step)<< ')';
 235         }
 236         else if (isNil(box)) {
 237                 fout << "()" ;
 238         }
 239         else if (isList(box)) {
 240
 241                 Tree l = box;
 242                 char sep = '(';
 243
 244                 do {
 245                         fout << sep << boxpp(hd(l));
 246                         sep = ',';
 247                         l = tl(l);
 248                 } while (isList(l));
 249
 250                 fout << ')';
 251
 252         }
 253     else if (isBoxEnvironment(box)) {
 254         fout << "environment";
 255     }
 256     else if (isClosure(box, abstr, genv, vis, lenv)) {
 257         fout << "closure[" << boxpp(abstr)
 258             << ", genv = " << envpp(genv)
 259             << ", lenv = " << envpp(lenv)
 260             << "]";
 261     }
 262         else if (isBoxComponent(box, label)) {
 263                 fout << "component("
 264                         << tree2str(label) << ')';
 265         }
 266         else if (isBoxAccess(box, t1, t2)) {
 267                 fout << boxpp(t1) << '.' << boxpp(t2);
 268         }
 269         else if (isImportFile(box, label)) {
 270                 fout << "import("
 271                         << tree2str(label) << ')';
 272         }
 273         else if (isBoxSlot(box, &id)) {
 274                 fout << "#" << id;
 275         }
 276         else if (isBoxSymbolic(box, slot, body)) {
 277                 fout << "[" << boxpp(slot) << ">" << boxpp(body) << "]";
 278         }
 279
 280         // Pattern Matching Extensions
 281         else if (isBoxCase(box, rules)) {
 282                 fout << "case {";
 283                 while (!isNil(rules)) { printRule(fout, hd(rules)); rules = tl(rules); }
 284                 fout << "}";
 285         }
 286 #if 1
 287         // more useful for debugging output
 288         else if (isBoxPatternVar(box, ident)) {
 289                 fout << "<" << boxpp(ident) << ">";
 290         }
 291 #else
 292         // beautify messages involving lhs patterns
 293         else if (isBoxPatternVar(box, ident)) {
 294                 fout << boxpp(ident);
 295         }
 296 #endif
 297
 298         else if (isBoxPatternMatcher(box)) {
 299                 fout << "PM[" << box << "]";
 300         }
 301
 302         else if (isBoxError(box)) {
 303                 fout << "ERROR";
 304         }
 305
 306
 307         // None of the previous tests succeded, then it is not a valid box
 308         else {
 309         cerr << "Error in box::print() : " << *box << " is not a valid box" << endl;
 310                 exit(1);
 311         }
 312
 313         return fout;
 314 }
 315
 316
 317 /*****************************************************************************
 318          affichage d'un environnement
 319 *****************************************************************************/
 320
 321 ostream& envpp::print (ostream& fout) const
 322 {
 323                 const char*     sep = "";
 324                 Tree    l = fEnv;
 325
 326                 fout << '{';
 327                 while (isList(l)) {
 328                         fout << sep << boxpp(hd(hd(l))) << "=" << boxpp(tl(hd(l)));
 329                         sep = ", ";
 330                         l = tl(l);
 331                 }
 332                 fout << '}';
 333         return fout;
 334 }
 335