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/************************************************************************
************************************************************************
FAUST compiler
Copyright (C) 2003-2018 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.
************************************************************************
************************************************************************/
/**
* @file boxcomplexity.cpp
* Implement complexity computation for box diagrams.
*/
// construction des representations graphiques
#include "boxcomplexity.hh"
#include <ostream>
#include "exception.hh"
#include "global.hh"
#include "xtended.hh"
using namespace std;
/**
* property Key used to store box complexity
*/
static int computeBoxComplexity(Tree box);
/**
* Return the complexity propety of a box expression tree.
* Return the complexity propety of a box expression tree. If no
* complexity property exist, it is created an computeBoxComplexity
* is called do to the job.
*
* @param box an evaluated box expression tree
* @return the complexity of box
*
* @see computeBoxComplexity
*/
int boxComplexity(Tree box)
{
Tree prop = box->getProperty(gGlobal->BCOMPLEXITY);
if (prop) {
return tree2int(prop);
} else {
int v = computeBoxComplexity(box);
box->setProperty(gGlobal->BCOMPLEXITY, tree(v));
return v;
}
}
/**
* internal shortcut to simplify computeBoxComplexity code
*/
#define BC boxComplexity
/**
* Compute the complexity of a box expression.
*
* Compute the complexity of a box expression tree according to the
* complexity of its subexpressions. Basically it counts the number
* of boxes to be drawn. The box-diagram expression is supposed
* to be evaluated. It will exit with an error if it is not the case.
*
* @param box an evaluated box expression tree
* @return the complexity of box
*/
int computeBoxComplexity(Tree box)
{
int i;
double r;
prim0 p0;
prim1 p1;
prim2 p2;
prim3 p3;
prim4 p4;
prim5 p5;
Tree t1, t2, t3, ff, label, cur, min, max, step, type, name, file, chan;
xtended* xt = (xtended*)getUserData(box);
// simple elements
if (xt)
return 1;
else if (isBoxInt(box, &i))
return 1;
else if (isBoxReal(box, &r))
return 1;
else if (isBoxWaveform(box))
return 1;
else if (isBoxCut(box))
return 0;
else if (isBoxWire(box))
return 0;
else if (isBoxPrim0(box, &p0))
return 1;
else if (isBoxPrim1(box, &p1))
return 1;
else if (isBoxPrim2(box, &p2))
return 1;
else if (isBoxPrim3(box, &p3))
return 1;
else if (isBoxPrim4(box, &p4))
return 1;
else if (isBoxPrim5(box, &p5))
return 1;
// foreign elements
else if (isBoxFFun(box, ff))
return 1;
else if (isBoxFConst(box, type, name, file))
return 1;
else if (isBoxFVar(box, type, name, file))
return 1;
// slots and symbolic boxes
else if (isBoxSlot(box, &i))
return 1;
else if (isBoxSymbolic(box, t1, t2))
return 1 + BC(t2);
// block diagram binary operator
else if (isBoxSeq(box, t1, t2))
return BC(t1) + BC(t2);
else if (isBoxSplit(box, t1, t2))
return BC(t1) + BC(t2);
else if (isBoxMerge(box, t1, t2))
return BC(t1) + BC(t2);
else if (isBoxPar(box, t1, t2))
return BC(t1) + BC(t2);
else if (isBoxRec(box, t1, t2))
return BC(t1) + BC(t2);
// user interface widgets
else if (isBoxButton(box, label))
return 1;
else if (isBoxCheckbox(box, label))
return 1;
else if (isBoxVSlider(box, label, cur, min, max, step))
return 1;
else if (isBoxHSlider(box, label, cur, min, max, step))
return 1;
else if (isBoxHBargraph(box, label, min, max))
return 1;
else if (isBoxVBargraph(box, label, min, max))
return 1;
else if (isBoxSoundfile(box, label, chan))
return 1;
else if (isBoxNumEntry(box, label, cur, min, max, step))
return 1;
// user interface groups
else if (isBoxVGroup(box, label, t1))
return BC(t1);
else if (isBoxHGroup(box, label, t1))
return BC(t1);
else if (isBoxTGroup(box, label, t1))
return BC(t1);
// environment
else if (isBoxEnvironment(box))
return 0;
else if (isBoxMetadata(box, t1, t2))
return BC(t1);
else if (isBoxRoute(box, t1, t2, t3))
return 0;
// a completer
else {
// fout << tree2str(box);
stringstream error;
error << "ERROR in boxComplexity : not an evaluated box [[ " << *box << " ]]\n";
throw faustexception(error.str());
}
return -1;
}
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