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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 Lesser General Public License as published by
the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
************************************************************************
************************************************************************/
/**
* \file eval.cpp
* Interface for names propagation.
*
**/
#include <algorithm>
#include "Text.hh"
#include "doc_Text.hh"
#include "exception.hh"
#include "global.hh"
#include "names.hh"
#include "ppsig.hh"
#include "property.hh"
using namespace std;
// History
// 2009/09/08 : get/setDefNameProperty
/**
* Definition name property : a property to keep track of the definition name
* of an expression. Whenever an identifier is evaluated, it is attached as a
* property of its definition. Obviously there is no perfect solution since a same
* definition can be given to different names.
*/
void setDefNameProperty(Tree t, Tree id)
{
// cerr << "setDefNameProperty : " << *id << " FOR " << t << "#" << boxpp(t) << endl;
setProperty(t, gGlobal->DEFNAMEPROPERTY, id);
}
void setDefNameProperty(Tree t, const string& name)
{
// cerr << "setDefNameProperty : " << name << " FOR " << t << "#" << boxpp(t) << endl;
int n = (int)name.size();
int m = std::min<int>(1023, gGlobal->gMaxNameSize);
if (n > m) {
// the name is too long we reduce it to 2/3 of maxsize
char buf[1024];
int i = 0;
// copy first third
for (; i < m / 3; i++) {
buf[i] = name[i];
}
// add ...
buf[i++] = '.';
buf[i++] = '.';
buf[i++] = '.';
// copy last third
for (int c = n - m / 3; c < n; c++, i++) {
buf[i] = name[c];
}
buf[i] = 0;
setProperty(t, gGlobal->DEFNAMEPROPERTY, tree(buf));
} else {
setProperty(t, gGlobal->DEFNAMEPROPERTY, tree(name.c_str()));
}
}
LIBFAUST_API bool getDefNameProperty(Tree t, Tree& id)
{
// cerr << "getDefNameProperty of : " << t << endl;
return getProperty(t, gGlobal->DEFNAMEPROPERTY, id);
}
/**
* Convert a definition name (can be long) into a short nickname
* that can be used as an equation name in latex
* @todo Simplify long definition names.
*/
string defName2NickName(const string& defname)
{
return defname;
}
/**
* Set the nickname property of a signal
*/
void setSigNickname(Tree t, const string& id)
{
Tree s, d;
if (isSigDelay(t, s, d) && isZero(d)) {
setProperty(s, gGlobal->NICKNAMEPROPERTY, tree(id));
} else {
setProperty(t, gGlobal->NICKNAMEPROPERTY, tree(id));
}
}
/**
* Get the nickname property of a signal
*/
bool getSigNickname(Tree t, Tree& id)
{
bool r = getProperty(t, gGlobal->NICKNAMEPROPERTY, id);
return r;
}
/**
* set the nickname property of a list of signals. If the list
* contains more than one signal, adds an index to the nickname
*/
void setSigListNickName(Tree lsig, const string& nickname)
{
faustassert(isList(lsig));
if (isNil(tl(lsig))) {
setSigNickname(hd(lsig), nickname);
} else {
int i = 0;
while (!isNil(lsig)) {
setSigNickname(hd(lsig), subst("$0_$1", nickname, T(++i)));
lsig = tl(lsig);
}
}
}
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