--- /dev/null
+/************************************************************************
+ ************************************************************************
+ FAUST compiler
+ Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
+ ---------------------------------------------------------------------
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ ************************************************************************
+ ************************************************************************/
+
+
+
+#include "propagate.hh"
+#include "prim2.hh"
+#include <assert.h>
+#include "ppbox.hh"
+#include "xtended.hh"
+#include "labels.hh"
+#include "Text.hh"
+#include "ppsig.hh"
+#include "names.hh"
+
+//extern bool gPrintDocSwitch;
+//static siglist realPropagate (Tree slotenv, Tree path, Tree box, const siglist& lsig);
+
+
+////////////////////////////////////////////////////////////////////////
+/**
+ * propagate : box listOfSignal-> listOfSignal'
+ *
+ * Propage une liste de signaux de l'entrée vers la sortie d'une boite
+ * La boite a été annotée aec son type
+ */
+///////////////////////////////////////////////////////////////////////
+
+
+//! mix une liste de signaux sur n bus
+siglist mix(const siglist& lsig, int nbus)
+{
+ int nlines = lsig.size();
+
+ siglist dst(nbus);
+
+ for (int b=0; b<nbus; b++) {
+ Tree t = (b<nlines) ? lsig[b] : sigInt(0);
+ for (int i=b+nbus; i<nlines; i+=nbus) {
+ t = sigAdd(t, lsig[i]);
+ }
+ dst[b] = t;
+ }
+ return dst;
+}
+
+//! split une liste de signaux sur n bus
+siglist split(const siglist& inputs, int nbus)
+{
+ int nlines = inputs.size();
+
+ siglist outputs(nbus);
+
+ for (int b=0; b<nbus; b++) {
+ outputs[b] = inputs[b % nlines];
+ }
+ return outputs;
+}
+
+//! Fabrique une liste de n projections d'un groupe récursif
+siglist makeSigProjList (Tree t, int n)
+{
+ siglist l(n);
+ for (int i = 0; i < n; i++) l[i] = sigDelay0(sigProj(i, t));
+ return l;
+}
+
+//! Fabrique une liste de n mem projections d'un groupe récursif
+siglist makeMemSigProjList (Tree t, int n)
+{
+ siglist l(n);
+ for (int i = 0; i < n; i++) l[i] = sigDelay1(sigProj(i, t));
+ return l;
+}
+
+
+//! Fabrique une liste de n entrées
+siglist makeSigInputList (int n)
+{
+ siglist l(n);
+ for (int i = 0; i < n; i++) l[i] = sigInput(i);
+ return l;
+}
+
+inline siglist makeList(Tree t)
+{
+ siglist l(1);
+ l[0] = t;
+ return l;
+}
+
+siglist listRange(const siglist& l, int i, int j)
+{
+ siglist r(j-i);
+ for (int x = i; x < j; x++) r[x-i] = l[x];
+ return r;
+}
+
+siglist listConcat(const siglist& a, const siglist& b)
+{
+ int n1 = a.size();
+ int n2 = b.size();
+ siglist r(n1+n2);
+
+ for (int x=0; x<n1; x++) r[x] = a[x];
+ for (int x=0; x<n2; x++) r[x+n1] = b[x];
+ return r;
+}
+
+/**
+ * Convert an stl list of signals into a tree list of signals
+ */
+Tree listConvert(const siglist& a)
+{
+ int n = a.size();
+ Tree t=nil;
+ while (n--) t = cons(a[n],t);
+ return t;
+}
+
+// siglist listConvertBack(Tree l)
+// {
+// siglist r;
+// while (!isNil(l)) { r.push_back(hd(l)); l = tl(l); }
+// return r;
+// }
+
+siglist listLift(const siglist& l)
+{
+ int n = l.size();
+ siglist r(n);
+
+ for(int i = 0; i<n; i++) r[i] = lift(l[i]);
+ return r;
+}
+
+static int gDummyInput = 10000;
+
+/**
+ * Propagate computes the outputs signals of a block-diagram according to a list of input signals.
+ *
+ *\param slotenv input signals associated with symbolic slots
+ *\param path stack of user interface groups : (type,label)*
+ *\param box block-diagram where we propagate the signals
+ *\param lsig list of signals to be propagated into box
+ *\return list of resulting signals
+ */
+/*
+// for debugging purposes
+
+siglist realpropagate (Tree slotenv, Tree path, Tree box, const siglist& lsig);
+
+siglist propagate (Tree slotenv, Tree path, Tree box, const siglist& lsig)
+{
+ cerr << "propagate in " << boxpp(box) << endl;
+ for (int i=0; i<lsig.size(); i++) { cerr << " -> signal " << i << " : " << *(lsig[i]) << endl; }
+ cerr << endl;
+ return realpropagate (slotenv, path, box, lsig);
+}
+*/
+
+/**
+ * Old try for names propagation.
+ */
+//siglist propagate (Tree slotenv, Tree path, Tree box, const siglist& lsig)
+//{
+// siglist S = realPropagate(slotenv, path, box, lsig);
+//
+// if (gPrintDocSwitch) {
+// Tree id;
+// if (lsig.size()==0 && getDefNameProperty(box, id)) {
+// string nickname = defName2NickName(tree2str(id));
+// //setSigListNickName(S, nickname);
+// }
+// }
+//
+// return S;
+//}
+
+//siglist realPropagate (Tree slotenv, Tree path, Tree box, const siglist& lsig)
+siglist propagate (Tree slotenv, Tree path, Tree box, const siglist& lsig)
+{
+ int i;
+ double r;
+ prim0 p0;
+ prim1 p1;
+ prim2 p2;
+ prim3 p3;
+ prim4 p4;
+ prim5 p5;
+
+ Tree t1, t2, ff, label, cur, min, max, step, type, name, file, slot, body;
+
+
+ xtended* xt = (xtended*)getUserData(box);
+
+ // Extended Primitives
+
+ if (xt) {
+ assert(lsig.size() == xt->arity());
+ return makeList(xt->computeSigOutput(lsig));
+ }
+
+ // Numbers and Constants
+
+ else if (isBoxInt(box, &i)) {
+ assert(lsig.size()==0);
+ return makeList(sigInt(i));
+ }
+ else if (isBoxReal(box, &r)) {
+ assert(lsig.size()==0);
+ return makeList(sigReal(r));
+ }
+
+ else if (isBoxFConst(box, type, name, file)) {
+ assert(lsig.size()==0);
+ return makeList(sigFConst(type, name, file));
+ }
+
+ else if (isBoxFVar(box, type, name, file)) {
+ assert(lsig.size()==0);
+ return makeList(sigFVar(type, name, file));
+ }
+
+ // Wire and Cut
+
+ else if (isBoxCut(box)) {
+ assert(lsig.size()==1);
+ return siglist();
+ }
+
+ else if (isBoxWire(box)) {
+ assert(lsig.size()==1);
+ return lsig;
+ }
+
+ // Slots and Symbolic Boxes
+
+ else if (isBoxSlot(box)) {
+ Tree sig;
+ assert(lsig.size()==0);
+ if (!searchEnv(box,sig,slotenv)) {
+ // test YO simplification des diagrames
+ //fprintf(stderr, "propagate : internal error (slot undefined)\n");
+ //exit(1);
+ sig = sigInput(++gDummyInput);
+ }
+ return makeList(sig);
+ }
+
+ else if (isBoxSymbolic(box, slot, body)) {
+ assert(lsig.size()>0);
+ return propagate(pushEnv(slot,lsig[0],slotenv), path, body, listRange(lsig, 1, lsig.size()));
+ }
+
+ // Primitives
+
+ else if (isBoxPrim0(box, &p0)) {
+ assert(lsig.size()==0);
+ return makeList( p0() );
+ }
+
+ else if (isBoxPrim1(box, &p1)) {
+ assert(lsig.size()==1);
+ return makeList( p1(lsig[0]) );
+ }
+
+ else if (isBoxPrim2(box, &p2)) {
+// printf("prim2 recoit : "); print(lsig); printf("\n");
+ assert(lsig.size()==2);
+ return makeList( p2(lsig[0],lsig[1]) );
+ }
+
+ else if (isBoxPrim3(box, &p3)) {
+ assert(lsig.size()==3);
+ return makeList( p3(lsig[0],lsig[1],lsig[2]) );
+ }
+
+ else if (isBoxPrim4(box, &p4)) {
+ assert(lsig.size()==4);
+ return makeList( p4(lsig[0],lsig[1],lsig[2],lsig[3]) );
+ }
+
+ else if (isBoxPrim5(box, &p5)) {
+ assert(lsig.size()==5);
+ return makeList( p5(lsig[0],lsig[1],lsig[2],lsig[3],lsig[4]) );
+ }
+
+ else if (isBoxFFun(box, ff)) {
+ //cerr << "propagate en boxFFun of arity " << ffarity(ff) << endl;
+ assert(int(lsig.size())==ffarity(ff));
+ return makeList(sigFFun(ff, listConvert(lsig)));
+ }
+
+ // User Interface Widgets
+
+ else if (isBoxButton(box, label)) {
+ assert(lsig.size()==0);
+ return makeList(sigButton(normalizePath(cons(label, path))));
+ }
+
+ else if (isBoxCheckbox(box, label)) {
+ assert(lsig.size()==0);
+ return makeList(sigCheckbox(normalizePath(cons(label, path))));
+ }
+
+ else if (isBoxVSlider(box, label, cur, min, max, step)) {
+ assert(lsig.size()==0);
+ return makeList(sigVSlider(normalizePath(cons(label, path)), cur, min, max, step));
+ }
+
+ else if (isBoxHSlider(box, label, cur, min, max, step)) {
+ assert(lsig.size()==0);
+ return makeList(sigHSlider(normalizePath(cons(label, path)), cur, min, max, step));
+ }
+
+ else if (isBoxNumEntry(box, label, cur, min, max, step)) {
+ assert(lsig.size()==0);
+ return makeList(sigNumEntry(normalizePath(cons(label, path)), cur, min, max, step));
+ }
+
+ else if (isBoxVBargraph(box, label, min, max)) {
+ assert(lsig.size()==1);
+ return makeList(sigVBargraph(normalizePath(cons(label, path)), min, max, lsig[0]));
+ }
+
+ else if (isBoxHBargraph(box, label, min, max)) {
+ assert(lsig.size()==1);
+ return makeList(sigHBargraph(normalizePath(cons(label, path)), min, max, lsig[0]));
+ }
+
+ // User Interface Groups
+
+ else if (isBoxVGroup(box, label, t1)) {
+ return propagate(slotenv,cons(cons(tree(0),label), path), t1, lsig);
+ }
+
+ else if (isBoxHGroup(box, label, t1)) {
+ return propagate(slotenv, cons(cons(tree(1),label), path), t1, lsig);
+ }
+
+ else if (isBoxTGroup(box, label, t1)) {
+ return propagate(slotenv, cons(cons(tree(2),label), path), t1, lsig);
+ }
+
+ // Block Diagram Composition Algebra
+
+ else if (isBoxSeq(box, t1, t2)) {
+ int in1, out1, in2, out2;
+ getBoxType(t1, &in1, &out1);
+ getBoxType(t2, &in2, &out2);
+
+ assert(out1==in2);
+
+ if (out1 == in2) {
+ return propagate(slotenv, path, t2, propagate(slotenv, path,t1,lsig));
+ } else if (out1 > in2) {
+ siglist lr = propagate(slotenv, path, t1,lsig);
+ return listConcat(propagate(slotenv, path, t2, listRange(lr, 0, in2)), listRange(lr, in2, out1));
+ } else {
+ return propagate(slotenv, path, t2, listConcat( propagate(slotenv, path, t1, listRange(lsig,0,in1)), listRange(lsig,in1,in1+in2-out1) ) );
+ }
+ }
+
+ else if (isBoxPar(box, t1, t2)) {
+ int in1, out1, in2, out2;
+ getBoxType(t1, &in1, &out1);
+ getBoxType(t2, &in2, &out2);
+
+ return listConcat( propagate(slotenv, path, t1, listRange(lsig, 0, in1)),
+ propagate(slotenv, path, t2, listRange(lsig, in1, in1+in2)) );
+ }
+
+ else if (isBoxSplit(box, t1, t2)) {
+ int in1, out1, in2, out2;
+ getBoxType(t1, &in1, &out1);
+ getBoxType(t2, &in2, &out2);
+
+ siglist l1 = propagate(slotenv, path, t1, lsig);
+ siglist l2 = split(l1, in2);
+ return propagate(slotenv, path, t2, l2);
+ }
+
+ else if (isBoxMerge(box, t1, t2)) {
+ int in1, out1, in2, out2;
+ getBoxType(t1, &in1, &out1);
+ getBoxType(t2, &in2, &out2);
+
+ siglist l1 = propagate(slotenv, path, t1, lsig);
+ siglist l2 = mix(l1, in2);
+ return propagate(slotenv, path, t2, l2);
+ }
+/*
+ else if (isBoxRec(box, t1, t2)) {
+ int in1, out1, in2, out2;
+ getBoxType(t1, &in1, &out1);
+ getBoxType(t2, &in2, &out2);
+
+ siglist l0 = makeSigProjList(ref(1), in2);
+ siglist l1 = propagate(slotenv, path, t2, l0);
+ siglist l2 = propagate(slotenv, path, t1, listConcat(l1,listLift(lsig)));
+ Tree g = rec(listConvert(l2));
+ return makeSigProjList(g, out1);
+ }
+*/
+ else if (isBoxRec(box, t1, t2)) {
+ // Bug Corrected
+ int in1, out1, in2, out2;
+ getBoxType(t1, &in1, &out1);
+ getBoxType(t2, &in2, &out2);
+
+ Tree slotenv2 = lift(slotenv); // the environment must also be lifted
+
+ siglist l0 = makeMemSigProjList(ref(1), in2);
+ siglist l1 = propagate(slotenv2, path, t2, l0);
+ siglist l2 = propagate(slotenv2, path, t1, listConcat(l1,listLift(lsig)));
+ Tree g = rec(listConvert(l2));
+ return makeSigProjList(g, out1);
+ }
+
+ cout << "ERROR in file " << __FILE__ << ':' << __LINE__ << ", unrecognised box expression : " << boxpp(box) << endl;
+ exit(1);
+ return siglist();
+}
+
+
+Tree boxPropagateSig (Tree path, Tree box, const siglist& lsig)
+{
+ return listConvert(propagate(nil, path, box, lsig));
+}
+