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/************************************************************************
************************************************************************
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.
************************************************************************
************************************************************************/
/*****************************************************************************
******************************************************************************
FAUST SIGNAL COMPILER
Y. Orlarey, (c) Grame 2002
------------------------------------------------------------------------------
Compile a list of FAUST signals into a LaTeX equation.
History :
---------
2002-02-08 : First version (of sharing.cpp)
2009-08-18 : Doc version (Karim Barkati)
******************************************************************************
*****************************************************************************/
#include <stdio.h>
//#include "compile_vect.hh"
//#include "compile_scal.hh"
//#include "doc_compile_vect.hh"
#include "doc_compile.hh"
#include "sigtype.hh"
#include "sigtyperules.hh"
#include "sigprint.hh"
//#include "doc_sharing.hh"
/*****************************************************************************
******************************************************************************
SHARING ANALYSIS
******************************************************************************
*****************************************************************************/
//------------------------------------------------------------------------------
// Create a specific property key for the sharing count of subtrees of t
//------------------------------------------------------------------------------
int DocCompiler::getSharingCount(Tree sig)
//int getSharingCount(Tree sig, int count)
{
//cerr << "getSharingCount of : " << *sig << " = ";
Tree c;
if (getProperty(sig, fSharingKey, c)) {
//cerr << c->node().getInt() << endl;
return c->node().getInt();
} else {
//cerr << 0 << endl;
return 0;
}
}
void DocCompiler::setSharingCount(Tree sig, int count)
//void setSharingCount(Tree sig, int count)
{
//cerr << "setSharingCount of : " << *sig << " <- " << count << endl;
setProperty(sig, fSharingKey, tree(count));
}
//------------------------------------------------------------------------------
// Create a specific property key for the sharing count of subtrees of t
//------------------------------------------------------------------------------
void DocCompiler::sharingAnalysis(Tree t)
//void sharingAnalysis(Tree t)
{
fSharingKey = shprkey(t);
if (isList(t)) {
while (isList(t)) {
sharingAnnotation(kSamp, hd(t));
t = tl(t);
}
} else {
sharingAnnotation(kSamp, t);
}
}
//------------------------------------------------------------------------------
// Create a specific property key for the sharing count of subtrees of t
//------------------------------------------------------------------------------
void DocCompiler::sharingAnnotation(int vctxt, Tree sig)
//void sharingAnnotation(int vctxt, Tree sig)
{
//cerr << "START sharing annotation of " << *sig << endl;
int count = getSharingCount(sig);
if (count > 0) {
// it is not our first visit
setSharingCount(sig, count+1);
} else {
// it is our first visit,
int v = getCertifiedSigType(sig)->variability();
// check "time sharing" cases
if (v < vctxt) {
setSharingCount(sig, 2); // time sharing occurence : slower expression in faster context
} else {
setSharingCount(sig, 1); // regular occurence
}
// Annotate the sub signals
vector<Tree> subsig;
int n = getSubSignals(sig, subsig);
if (n>0 && ! isSigGen(sig)) {
for (int i=0; i<n; i++) sharingAnnotation(v, subsig[i]);
}
}
//cerr << "END sharing annotation of " << *sig << endl;
}
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