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[Faustine.git] / interpretor / faust-0.9.47mr3 / compiler / generator / occurences.cpp

diff --git a/interpretor/faust-0.9.47mr3/compiler/generator/occurences.cpp b/interpretor/faust-0.9.47mr3/compiler/generator/occurences.cpp
deleted file mode 100644 (file)
index d0e64d9..0000000
--- a/interpretor/faust-0.9.47mr3/compiler/generator/occurences.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-#include <assert.h>
-#include <stdlib.h>
-#include "recursivness.hh"
-#include "occurences.hh"
-#include "sigtype.hh"
-#include "sigtyperules.hh"
-#include <iostream>
-
-using namespace std;
-
-/**
- * Extended Variability with recursiveness indication
- */
-static int xVariability (int v, int r)
-{
-       //cerr << "xVariability (" << v << ", " <<  r << ")" << endl;
-       //assert (v < 3);                               // kKonst=0, kBlock=1, kSamp=2
-       //assert(r==0 | v==2);
-       if (r>1) r=1;
-       return min(3, v + r);
-}
-
-//-------------------------------------------------
-//     Occurences methods
-//-------------------------------------------------
-
-Occurences::Occurences(int v, int r) : fXVariability(xVariability(v,r)) {
-       for (int i=0; i<4; i++) fOccurences[i]=0;
-       fMultiOcc = false;
-       fMaxDelay = 0;
-       fOutDelayOcc = false;
-}
-
-Occurences* Occurences::incOccurences(int v, int r, int d) {
-       int ctxt = xVariability(v,r);
-       //assert (ctxt >= fXVariability);
-       fOccurences[ctxt] += 1;
-       fMultiOcc = fMultiOcc | (ctxt > fXVariability) | (fOccurences[ctxt] > 1);
-       if (d == 0) {
-               //cerr << "Occurence outside a delay " << endl;
-               fOutDelayOcc = true;
-       }
-       if (d > fMaxDelay) {
-               //cerr << "Max delay : " << fMaxDelay << " <- " << d << endl;
-               fMaxDelay = d;
-       }
-       return this;
-}
-
-bool Occurences::hasMultiOccurences()  const   { return fMultiOcc; }
-
-bool Occurences::hasOutDelayOccurences() const { return fOutDelayOcc; }
-
-int Occurences::getMaxDelay() const
-{
-       return fMaxDelay;
-}
-
-//--------------------------------------------------
-//     Mark and retrieve occurences of subtrees of root
-//--------------------------------------------------
-
-void OccMarkup::mark(Tree root)
-{
-       fRootTree = root;
-       fPropKey = tree(unique("OCCURENCES"));
-
-       if (isList(root)) {
-               while (isList(root)) {
-                       //incOcc(kSamp, 1, hd(root));
-                       incOcc(nil, kSamp, 0, 0, hd(root));
-                       root = tl(root);
-               }
-               //cerr << "END OF LIST IS " << *root << endl;
-       } else {
-               //incOcc(kSamp, 1, root);
-               incOcc(nil, kSamp, 0, 0, root);
-       }
-}
-
-Occurences* OccMarkup::retrieve(Tree t)
-{
-       Occurences* p = getOcc(t);
-       if (p == 0) {
-               //cerr << "No Occurences info attached to : " << *t << endl;
-               //exit(1);
-       }
-       return p;
-}
-
-//------------------------------------------------------------------------------
-// Increment the occurences of t within context v,r,d and proceed recursively
-//------------------------------------------------------------------------------
-
-void OccMarkup::incOcc(Tree env, int v, int r, int d, Tree t)
-{
-       // Check if we have already visited this tree
-       Occurences* occ = getOcc(t);
-
-       if (occ==0) {
-               // 1) We build initial occurence information
-               Type    ty = getCertifiedSigType(t);
-               int v0 = ty->variability();
-               int r0 = getRecursivness(t);
-
-               occ = new Occurences(v0,r0);
-               setOcc(t, occ);
-
-               // We mark the subtrees of t
-        Tree c, x, y, z;
-               if (isSigFixDelay(t,x,y)) {
-                       Type g2 = getCertifiedSigType(y);
-                       int d2 = checkDelayInterval(g2);
-                       assert(d2>=0);
-                       incOcc(env, v0, r0, d2, x);
-                       incOcc(env, v0, r0, 0, y);
-        } else if (isSigPrefix(t,y,x)) {
-            incOcc(env, v0, r0, 1, x);
-            incOcc(env, v0, r0, 0, y);
-        } else if (isSigSelect3(t,c,y,x,z)) {
-            // make a special case for select3 implemented with real if
-            // because the c expression will be used twice in the C++
-            // translation
-                       incOcc(env, v0, r0, 0, c);
-                       incOcc(env, v0, r0, 0, c);
-            incOcc(env, v0, r0, 0, x);
-            incOcc(env, v0, r0, 0, y);
-            incOcc(env, v0, r0, 0, z);
-        } else {
-                       vector<Tree> br;
-                       int n = getSubSignals(t, br);
-                       if (n>0 && ! isSigGen(t)) {
-                               for (int i=0; i<n; i++) incOcc(env, v0, r0, 0, br[i]);
-                       }
-               }
-       }
-
-       occ->incOccurences(v,r,d);
-
-}
-
-
-
-Occurences* OccMarkup::getOcc(Tree t)
-{
-       Tree p = t->getProperty(fPropKey);
-       if (p) {
-               return (Occurences*) tree2ptr(p);
-       } else {
-               return 0;
-       }
-}
-
-
-void OccMarkup::setOcc(Tree t, Occurences* occ)
-{
-       t->setProperty(fPropKey, tree(occ));
-}
-
-
-
-/**
- * return the position of a signal in the current recursive environment
- * @param env the current recursive environment of the signal
- * @param t signal we want to know the position
- * @return the position in the recursive environment
- */
-static int position (Tree env, Tree t, int p)
-{
-       if (isNil(env)) return 0;       // was not in the environment
-       if (hd(env) == t) return p;
-       else return position (tl(env), t, p+1);
-}