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qucs_s/qucs/schematic_file.cpp
ela 6bddc2855a 2009-03-12 Stefan Jahn <stefan@lkcc.org> 
* schematic_file.cpp: Some code cleanup.  Also fixed a problem
        with subcircuits containing VHDL files: passing signal types up
        also when more than one instance of the subcircuit is on the
        schematic.
2009-03-12 19:36:13 +00:00

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/***************************************************************************
schematic_file.cpp
--------------------
begin : Sat Mar 27 2004
copyright : (C) 2003 by Michael Margraf
email : michael.margraf@alumni.tu-berlin.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <qmessagebox.h>
#include <qdir.h>
#include <qstringlist.h>
#include <qregexp.h>
#include <qprocess.h>
#include <qtextedit.h>
#include <qptrlist.h>
#include "main.h"
#include "node.h"
#include "schematic.h"
#include "diagrams/diagrams.h"
#include "paintings/paintings.h"
#include "components/spicefile.h"
#include "components/vhdlfile.h"
#include "components/verilogfile.h"
#include "components/libcomp.h"
extern QDir QucsWorkDir;
// Here the subcircuits, SPICE components etc are collected. It must be
// global to also work within the subcircuits.
SubMap FileList;
// -------------------------------------------------------------
// Creates a Qucs file format (without document properties) in the returning
// string. This is used to copy the selected elements into the clipboard.
QString Schematic::createClipboardFile()
{
int z=0; // counts selected elements
Wire *pw;
Diagram *pd;
Painting *pp;
Component *pc;
QString s("<Qucs Schematic " PACKAGE_VERSION ">\n");
// Build element document.
s += "<Components>\n";
for(pc = Components->first(); pc != 0; pc = Components->next())
if(pc->isSelected) {
s += pc->save()+"\n"; z++; }
s += "</Components>\n";
s += "<Wires>\n";
for(pw = Wires->first(); pw != 0; pw = Wires->next())
if(pw->isSelected) {
z++;
if(pw->Label) if(!pw->Label->isSelected) {
s += pw->save().section('"', 0, 0)+"\"\" 0 0 0>\n";
continue;
}
s += pw->save()+"\n";
}
for(Node *pn = Nodes->first(); pn != 0; pn = Nodes->next())
if(pn->Label) if(pn->Label->isSelected) {
s += pn->Label->save()+"\n"; z++; }
s += "</Wires>\n";
s += "<Diagrams>\n";
for(pd = Diagrams->first(); pd != 0; pd = Diagrams->next())
if(pd->isSelected) {
s += pd->save()+"\n"; z++; }
s += "</Diagrams>\n";
s += "<Paintings>\n";
for(pp = Paintings->first(); pp != 0; pp = Paintings->next())
if(pp->isSelected)
if(pp->Name.at(0) != '.') { // subcircuit specific -> do not copy
s += "<"+pp->save()+">\n"; z++; }
s += "</Paintings>\n";
if(z == 0) return ""; // return empty if no selection
return s;
}
// -------------------------------------------------------------
// Only read fields without loading them.
bool Schematic::loadIntoNothing(QTextStream *stream)
{
QString Line, cstr;
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line.at(0) == '<') if(Line.at(1) == '/') return true;
}
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\n'Painting' field is not closed!"));
return false;
}
// -------------------------------------------------------------
// Paste from clipboard.
bool Schematic::pasteFromClipboard(QTextStream *stream, QPtrList<Element> *pe)
{
QString Line;
Line = stream->readLine();
if(Line.left(16) != "<Qucs Schematic ") // wrong file type ?
return false;
QString s = PACKAGE_VERSION;
Line = Line.mid(16, Line.length()-17);
if(Line != s) { // wrong version number ?
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Wrong document version: ")+Line);
return false;
}
// read content in symbol edit mode *************************
if(symbolMode) {
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line == "<Components>") {
if(!loadIntoNothing(stream)) return false; }
else
if(Line == "<Wires>") {
if(!loadIntoNothing(stream)) return false; }
else
if(Line == "<Diagrams>") {
if(!loadIntoNothing(stream)) return false; }
else
if(Line == "<Paintings>") {
if(!loadPaintings(stream, (QPtrList<Painting>*)pe)) return false; }
else {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Clipboard Format Error:\nUnknown field!"));
return false;
}
}
return true;
}
// read content in schematic edit mode *************************
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line == "<Components>") {
if(!loadComponents(stream, (QPtrList<Component>*)pe)) return false; }
else
if(Line == "<Wires>") {
if(!loadWires(stream, pe)) return false; }
else
if(Line == "<Diagrams>") {
if(!loadDiagrams(stream, (QPtrList<Diagram>*)pe)) return false; }
else
if(Line == "<Paintings>") {
if(!loadPaintings(stream, (QPtrList<Painting>*)pe)) return false; }
else {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Clipboard Format Error:\nUnknown field!"));
return false;
}
}
return true;
}
// -------------------------------------------------------------
// Returns the number of subcircuit ports.
int Schematic::saveDocument()
{
QFile file(DocName);
if(!file.open(IO_WriteOnly)) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Cannot save document!"));
return -1;
}
QTextStream stream(&file);
stream << "<Qucs Schematic " << PACKAGE_VERSION << ">\n";
stream << "<Properties>\n";
if(symbolMode) {
stream << " <View=" << tmpViewX1<<","<<tmpViewY1<<","
<< tmpViewX2<<","<<tmpViewY2<< ",";
stream <<tmpScale<<","<<tmpPosX<<","<<tmpPosY << ">\n";
}
else {
stream << " <View=" << ViewX1<<","<<ViewY1<<","
<< ViewX2<<","<<ViewY2<< ",";
stream << Scale <<","<<contentsX()<<","<<contentsY() << ">\n";
}
stream << " <Grid=" << GridX<<","<<GridY<<","
<< GridOn << ">\n";
stream << " <DataSet=" << DataSet << ">\n";
stream << " <DataDisplay=" << DataDisplay << ">\n";
stream << " <OpenDisplay=" << SimOpenDpl << ">\n";
stream << " <showFrame=" << showFrame << ">\n";
QString t;
convert2ASCII(t = Frame_Text0);
stream << " <FrameText0=" << t << ">\n";
convert2ASCII(t = Frame_Text1);
stream << " <FrameText1=" << t << ">\n";
convert2ASCII(t = Frame_Text2);
stream << " <FrameText2=" << t << ">\n";
convert2ASCII(t = Frame_Text3);
stream << " <FrameText3=" << t << ">\n";
stream << "</Properties>\n";
Painting *pp;
stream << "<Symbol>\n"; // save all paintings for symbol
for(pp = SymbolPaints.first(); pp != 0; pp = SymbolPaints.next())
stream << " <" << pp->save() << ">\n";
stream << "</Symbol>\n";
stream << "<Components>\n"; // save all components
for(Component *pc = DocComps.first(); pc != 0; pc = DocComps.next())
stream << " " << pc->save() << "\n";
stream << "</Components>\n";
stream << "<Wires>\n"; // save all wires
for(Wire *pw = DocWires.first(); pw != 0; pw = DocWires.next())
stream << " " << pw->save() << "\n";
// save all labeled nodes as wires
for(Node *pn = DocNodes.first(); pn != 0; pn = DocNodes.next())
if(pn->Label) stream << " " << pn->Label->save() << "\n";
stream << "</Wires>\n";
stream << "<Diagrams>\n"; // save all diagrams
for(Diagram *pd = DocDiags.first(); pd != 0; pd = DocDiags.next())
stream << " " << pd->save() << "\n";
stream << "</Diagrams>\n";
stream << "<Paintings>\n"; // save all paintings
for(pp = DocPaints.first(); pp != 0; pp = DocPaints.next())
stream << " <" << pp->save() << ">\n";
stream << "</Paintings>\n";
file.close();
return 0;
}
// -------------------------------------------------------------
bool Schematic::loadProperties(QTextStream *stream)
{
bool ok = true;
QString Line, cstr, nstr;
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line.at(0) == '<') if(Line.at(1) == '/') return true; // field end ?
Line = Line.stripWhiteSpace();
if(Line.isEmpty()) continue;
if(Line.at(0) != '<') {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nWrong property field limiter!"));
return false;
}
if(Line.at(Line.length()-1) != '>') {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nWrong property field limiter!"));
return false;
}
Line = Line.mid(1, Line.length()-2); // cut off start and end character
cstr = Line.section('=',0,0); // property type
nstr = Line.section('=',1,1); // property value
if(cstr == "View") {
ViewX1 = nstr.section(',',0,0).toInt(&ok); if(ok) {
ViewY1 = nstr.section(',',1,1).toInt(&ok); if(ok) {
ViewX2 = nstr.section(',',2,2).toInt(&ok); if(ok) {
ViewY2 = nstr.section(',',3,3).toInt(&ok); if(ok) {
Scale = nstr.section(',',4,4).toDouble(&ok); if(ok) {
tmpViewX1 = nstr.section(',',5,5).toInt(&ok); if(ok)
tmpViewY1 = nstr.section(',',6,6).toInt(&ok); }}}}} }
else if(cstr == "Grid") {
GridX = nstr.section(',',0,0).toInt(&ok); if(ok) {
GridY = nstr.section(',',1,1).toInt(&ok); if(ok) {
if(nstr.section(',',2,2).toInt(&ok) == 0) GridOn = false;
else GridOn = true; }} }
else if(cstr == "DataSet") DataSet = nstr;
else if(cstr == "DataDisplay") DataDisplay = nstr;
else if(cstr == "OpenDisplay")
if(nstr.toInt(&ok) == 0) SimOpenDpl = false;
else SimOpenDpl = true;
else if(cstr == "showFrame")
showFrame = nstr.at(0).latin1() - '0';
else if(cstr == "FrameText0") convert2Unicode(Frame_Text0 = nstr);
else if(cstr == "FrameText1") convert2Unicode(Frame_Text1 = nstr);
else if(cstr == "FrameText2") convert2Unicode(Frame_Text2 = nstr);
else if(cstr == "FrameText3") convert2Unicode(Frame_Text3 = nstr);
else {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nUnknown property: ")+cstr);
return false;
}
if(!ok) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nNumber expected in property field!"));
return false;
}
}
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\n'Property' field is not closed!"));
return false;
}
// ---------------------------------------------------
// Inserts a component without performing logic for wire optimization.
void Schematic::simpleInsertComponent(Component *c)
{
Node *pn;
int x, y;
// connect every node of component
for(Port *pp = c->Ports.first(); pp != 0; pp = c->Ports.next()) {
x = pp->x+c->cx;
y = pp->y+c->cy;
// check if new node lies upon existing node
for(pn = DocNodes.first(); pn != 0; pn = DocNodes.next())
if(pn->cx == x) if(pn->cy == y) {
if (!pn->Type.isEmpty()) {
pp->Type = pn->Type;
}
if (!pp->Type.isEmpty()) {
pn->Type = pp->Type;
}
break;
}
if(pn == 0) { // create new node, if no existing one lies at this position
pn = new Node(x, y);
DocNodes.append(pn);
}
pn->Connections.append(c); // connect schematic node to component node
if (!pp->Type.isEmpty()) {
pn->Type = pp->Type;
}
pp->Connection = pn; // connect component node to schematic node
}
DocComps.append(c);
}
// -------------------------------------------------------------
bool Schematic::loadComponents(QTextStream *stream, QPtrList<Component> *List)
{
QString Line, cstr;
Component *c;
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line.at(0) == '<') if(Line.at(1) == '/') return true;
Line = Line.stripWhiteSpace();
if(Line.isEmpty()) continue;
c = getComponentFromName(Line);
if(!c) return false;
if(List) { // "paste" ?
int z;
for(z=c->Name.length()-1; z>=0; z--) // cut off number of component name
if(!c->Name.at(z).isDigit()) break;
c->Name = c->Name.left(z+1);
List->append(c);
}
else simpleInsertComponent(c);
}
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\n'Component' field is not closed!"));
return false;
}
// -------------------------------------------------------------
// Inserts a wire without performing logic for optimizing.
void Schematic::simpleInsertWire(Wire *pw)
{
Node *pn;
// check if first wire node lies upon existing node
for(pn = DocNodes.first(); pn != 0; pn = DocNodes.next())
if(pn->cx == pw->x1) if(pn->cy == pw->y1) break;
if(!pn) { // create new node, if no existing one lies at this position
pn = new Node(pw->x1, pw->y1);
DocNodes.append(pn);
}
if(pw->x1 == pw->x2) if(pw->y1 == pw->y2) {
pn->Label = pw->Label; // wire with length zero are just node labels
if (pn->Label) {
pn->Label->Type = isNodeLabel;
pn->Label->pOwner = pn;
}
delete pw; // delete wire because this is not a wire
return;
}
pn->Connections.append(pw); // connect schematic node to component node
pw->Port1 = pn;
// check if second wire node lies upon existing node
for(pn = DocNodes.first(); pn != 0; pn = DocNodes.next())
if(pn->cx == pw->x2) if(pn->cy == pw->y2) break;
if(!pn) { // create new node, if no existing one lies at this position
pn = new Node(pw->x2, pw->y2);
DocNodes.append(pn);
}
pn->Connections.append(pw); // connect schematic node to component node
pw->Port2 = pn;
DocWires.append(pw);
}
// -------------------------------------------------------------
bool Schematic::loadWires(QTextStream *stream, QPtrList<Element> *List)
{
Wire *w;
QString Line;
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line.at(0) == '<') if(Line.at(1) == '/') return true;
Line = Line.stripWhiteSpace();
if(Line.isEmpty()) continue;
// (Node*)4 = move all ports (later on)
w = new Wire(0,0,0,0, (Node*)4,(Node*)4);
if(!w->load(Line)) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nWrong 'wire' line format!"));
delete w;
return false;
}
if(List) {
if(w->x1 == w->x2) if(w->y1 == w->y2) if(w->Label) {
w->Label->Type = isMovingLabel;
List->append(w->Label);
delete w;
continue;
}
List->append(w);
if(w->Label) List->append(w->Label);
}
else simpleInsertWire(w);
}
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\n'Wire' field is not closed!"));
return false;
}
// -------------------------------------------------------------
bool Schematic::loadDiagrams(QTextStream *stream, QPtrList<Diagram> *List)
{
Diagram *d;
QString Line, cstr;
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line.at(0) == '<') if(Line.at(1) == '/') return true;
Line = Line.stripWhiteSpace();
if(Line.isEmpty()) continue;
cstr = Line.section(' ',0,0); // diagram type
if(cstr == "<Rect") d = new RectDiagram();
else if(cstr == "<Polar") d = new PolarDiagram();
else if(cstr == "<Tab") d = new TabDiagram();
else if(cstr == "<Smith") d = new SmithDiagram();
else if(cstr == "<ySmith") d = new SmithDiagram(0,0,false);
else if(cstr == "<PS") d = new PSDiagram();
else if(cstr == "<SP") d = new PSDiagram(0,0,false);
else if(cstr == "<Rect3D") d = new Rect3DDiagram();
else if(cstr == "<Curve") d = new CurveDiagram();
else if(cstr == "<Time") d = new TimingDiagram();
else if(cstr == "<Truth") d = new TruthDiagram();
else {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nUnknown diagram!"));
return false;
}
if(!d->load(Line, stream)) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nWrong 'diagram' line format!"));
delete d;
return false;
}
List->append(d);
}
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\n'Diagram' field is not closed!"));
return false;
}
// -------------------------------------------------------------
bool Schematic::loadPaintings(QTextStream *stream, QPtrList<Painting> *List)
{
Painting *p=0;
QString Line, cstr;
while(!stream->atEnd()) {
Line = stream->readLine();
if(Line.at(0) == '<') if(Line.at(1) == '/') return true;
Line = Line.stripWhiteSpace();
if(Line.isEmpty()) continue;
if( (Line.at(0) != '<') || (Line.at(Line.length()-1) != '>')) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nWrong 'painting' line delimiter!"));
return false;
}
Line = Line.mid(1, Line.length()-2); // cut off start and end character
cstr = Line.section(' ',0,0); // painting type
if(cstr == "Line") p = new GraphicLine();
else if(cstr == "EArc") p = new EllipseArc();
else if(cstr == ".PortSym") p = new PortSymbol();
else if(cstr == ".ID") p = new ID_Text();
else if(cstr == "Text") p = new GraphicText();
else if(cstr == "Rectangle") p = new Rectangle();
else if(cstr == "Arrow") p = new Arrow();
else if(cstr == "Ellipse") p = new Ellipse();
else {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nUnknown painting!"));
return false;
}
if(!p->load(Line)) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\nWrong 'painting' line format!"));
delete p;
return false;
}
List->append(p);
}
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Format Error:\n'Painting' field is not closed!"));
return false;
}
// -------------------------------------------------------------
bool Schematic::loadDocument()
{
QFile file(DocName);
if(!file.open(IO_ReadOnly)) {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Cannot load document: ")+DocName);
return false;
}
QString Line;
QTextStream stream(&file);
// read header **************************
do {
if(stream.atEnd()) {
file.close();
return true;
}
Line = stream.readLine();
} while(Line.isEmpty());
if(Line.left(16) != "<Qucs Schematic ") { // wrong file type ?
file.close();
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Wrong document type: ")+DocName);
return false;
}
Line = Line.mid(16, Line.length()-17);
if(!checkVersion(Line)) { // wrong version number ?
file.close();
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("Wrong document version: ")+Line);
return false;
}
// read content *************************
while(!stream.atEnd()) {
Line = stream.readLine();
Line = Line.stripWhiteSpace();
if(Line.isEmpty()) continue;
if(Line == "<Symbol>") {
if(!loadPaintings(&stream, &SymbolPaints)) {
file.close();
return false;
}
}
else
if(Line == "<Properties>") {
if(!loadProperties(&stream)) { file.close(); return false; } }
else
if(Line == "<Components>") {
if(!loadComponents(&stream)) { file.close(); return false; } }
else
if(Line == "<Wires>") {
if(!loadWires(&stream)) { file.close(); return false; } }
else
if(Line == "<Diagrams>") {
if(!loadDiagrams(&stream, &DocDiags)) { file.close(); return false; } }
else
if(Line == "<Paintings>") {
if(!loadPaintings(&stream, &DocPaints)) { file.close(); return false; } }
else {
QMessageBox::critical(0, QObject::tr("Error"),
QObject::tr("File Format Error:\nUnknown field!"));
file.close();
return false;
}
}
file.close();
return true;
}
// -------------------------------------------------------------
// Creates a Qucs file format (without document properties) in the returning
// string. This is used to save state for undo operation.
QString Schematic::createUndoString(char Op)
{
Wire *pw;
Diagram *pd;
Painting *pp;
Component *pc;
// Build element document.
QString s = " \n";
s.at(0) = Op;
for(pc = DocComps.first(); pc != 0; pc = DocComps.next())
s += pc->save()+"\n";
s += "</>\n"; // short end flag
for(pw = DocWires.first(); pw != 0; pw = DocWires.next())
s += pw->save()+"\n";
// save all labeled nodes as wires
for(Node *pn = DocNodes.first(); pn != 0; pn = DocNodes.next())
if(pn->Label) s += pn->Label->save()+"\n";
s += "</>\n";
for(pd = DocDiags.first(); pd != 0; pd = DocDiags.next())
s += pd->save()+"\n";
s += "</>\n";
for(pp = DocPaints.first(); pp != 0; pp = DocPaints.next())
s += "<"+pp->save()+">\n";
s += "</>\n";
return s;
}
// -------------------------------------------------------------
// Same as "createUndoString(char Op)" but for symbol edit mode.
QString Schematic::createSymbolUndoString(char Op)
{
Painting *pp;
// Build element document.
QString s = " \n";
s.at(0) = Op;
s += "</>\n"; // short end flag for components
s += "</>\n"; // short end flag for wires
s += "</>\n"; // short end flag for diagrams
for(pp = SymbolPaints.first(); pp != 0; pp = SymbolPaints.next())
s += "<"+pp->save()+">\n";
s += "</>\n";
return s;
}
// -------------------------------------------------------------
// Is quite similiar to "loadDocument()" but with less error checking.
// Used for "undo" function.
bool Schematic::rebuild(QString *s)
{
DocWires.clear(); // delete whole document
DocNodes.clear();
DocComps.clear();
DocDiags.clear();
DocPaints.clear();
QString Line;
QTextStream stream(s, IO_ReadOnly);
Line = stream.readLine(); // skip identity byte
// read content *************************
if(!loadComponents(&stream)) return false;
if(!loadWires(&stream)) return false;
if(!loadDiagrams(&stream, &DocDiags)) return false;
if(!loadPaintings(&stream, &DocPaints)) return false;
return true;
}
// -------------------------------------------------------------
// Same as "rebuild(QString *s)" but for symbol edit mode.
bool Schematic::rebuildSymbol(QString *s)
{
SymbolPaints.clear(); // delete whole document
QString Line;
QTextStream stream(s, IO_ReadOnly);
Line = stream.readLine(); // skip identity byte
// read content *************************
Line = stream.readLine(); // skip components
Line = stream.readLine(); // skip wires
Line = stream.readLine(); // skip diagrams
if(!loadPaintings(&stream, &SymbolPaints)) return false;
return true;
}
// ***************************************************************
// ***** *****
// ***** Functions to create netlist *****
// ***** *****
// ***************************************************************
void Schematic::createNodeSet(QStringList& Collect, int& countInit,
Conductor *pw, Node *p1)
{
if(pw->Label)
if(!pw->Label->initValue.isEmpty())
Collect.append("NodeSet:NS" + QString::number(countInit++) + " " +
p1->Name + " U=\"" + pw->Label->initValue + "\"");
}
// ---------------------------------------------------
void Schematic::throughAllNodes(bool User, QStringList& Collect,
int& countInit)
{
Node *pn;
int z=0;
for(pn = DocNodes.first(); pn != 0; pn = DocNodes.next()) {
if(pn->Name.isEmpty() == User) {
continue; // already named ?
}
if(!User) {
if(isAnalog)
pn->Name = "_net";
else
pn->Name = "net_net"; // VHDL names must not begin with '_'
pn->Name += QString::number(z++); // create numbered node name
}
else if(pn->State) {
continue; // already worked on
}
if(isAnalog) createNodeSet(Collect, countInit, pn, pn);
pn->State = 1;
propagateNode(Collect, countInit, pn);
}
}
// ---------------------------------------------------
// Collects the signal names for digital simulations.
void Schematic::collectDigitalSignals(void)
{
Node *pn;
for(pn = DocNodes.first(); pn != 0; pn = DocNodes.next()) {
DigMap::Iterator it = Signals.find(pn->Name);
if(it == Signals.end()) { // avoid redeclaration of signal
Signals.insert(pn->Name, DigSignal(pn->Name, pn->Type));
} else if (!pn->Type.isEmpty()) {
it.data().Type = pn->Type;
}
}
}
// ---------------------------------------------------
// Propagates the given node to connected component ports.
void Schematic::propagateNode(QStringList& Collect,
int& countInit, Node *pn)
{
bool setName=false;
QPtrList<Node> Cons;
Node *p2;
Wire *pw;
Element *pe;
Cons.append(pn);
for(p2 = Cons.first(); p2 != 0; p2 = Cons.next())
for(pe = p2->Connections.first(); pe != 0; pe = p2->Connections.next())
if(pe->Type == isWire) {
pw = (Wire*)pe;
if(p2 != pw->Port1) {
if(pw->Port1->Name.isEmpty()) {
pw->Port1->Name = pn->Name;
pw->Port1->State = 1;
Cons.append(pw->Port1);
setName = true;
}
}
else {
if(pw->Port2->Name.isEmpty()) {
pw->Port2->Name = pn->Name;
pw->Port2->State = 1;
Cons.append(pw->Port2);
setName = true;
}
}
if(setName) {
Cons.findRef(p2); // back to current Connection
if (isAnalog) createNodeSet(Collect, countInit, pw, pn);
setName = false;
}
}
Cons.clear();
}
// ---------------------------------------------------
// Goes through all schematic components and allows special component
// handling, e.g. like subcircuit netlisting.
bool Schematic::throughAllComps(QTextStream *stream, int& countInit,
QStringList& Collect, QTextEdit *ErrText, int NumPorts)
{
bool r;
QString s;
// give the ground nodes the name "gnd", and insert subcircuits etc.
QPtrListIterator<Component> it(DocComps);
Component *pc;
while((pc = it.current()) != 0) {
++it;
if(pc->isActive != COMP_IS_ACTIVE) continue;
// check analog/digital typed components
if(isAnalog) {
if((pc->Type & isAnalogComponent) == 0) {
ErrText->insert(QObject::tr("ERROR: Component \"%1\" has no analog model.").arg(pc->Name));
return false;
}
} else {
if((pc->Type & isDigitalComponent) == 0) {
ErrText->insert(QObject::tr("ERROR: Component \"%1\" has no digital model.").arg(pc->Name));
return false;
}
}
// handle ground symbol
if(pc->Model == "GND") {
pc->Ports.getFirst()->Connection->Name = "gnd";
continue;
}
// handle subcircuits
if(pc->Model == "Sub") {
int i;
QString f = pc->getSubcircuitFile();
SubMap::Iterator it = FileList.find(f);
if(it != FileList.end()) {
i = 0;
// apply in/out signal types of subcircuit
for(Port *pp = pc->Ports.first(); pp; pp = pc->Ports.next(), i++) {
pp->Type = it.data().PortTypes[i];
pp->Connection->Type = pp->Type;
}
continue; // insert each subcircuit just one time
}
SubFile sub = SubFile("SCH", f);
FileList.insert(f, sub);
// load subcircuit schematic
s = pc->Props.first()->Value;
Schematic *d = new Schematic(0, QucsWorkDir.filePath(s));
if(!d->loadDocument()) { // load document if possible
delete d;
ErrText->insert(QObject::tr("ERROR: Cannot load subcircuit \"%1\".").arg(s));
return false;
}
d->DocName = s;
d->isVerilog = isVerilog;
d->isAnalog = isAnalog;
d->creatingLib = creatingLib;
r = d->createSubNetlist(stream, countInit, Collect, ErrText, NumPorts);
i = 0;
// save in/out signal types of subcircuit
for(Port *pp = pc->Ports.first(); pp; pp = pc->Ports.next(), i++) {
pp->Type = d->PortTypes[i];
pp->Connection->Type = pp->Type;
}
sub.PortTypes = d->PortTypes;
FileList.replace(f, sub);
delete d;
if(!r) return false;
continue;
}
// handle library symbols
if(pc->Model == "Lib") {
if(creatingLib) {
ErrText->insert(
QObject::tr("WARNING: Skipping library component \"%1\".").
arg(pc->Name));
continue;
}
s = pc->getSubcircuitFile() + "/" + pc->Props.at(1)->Value;
SubMap::Iterator it = FileList.find(s);
if(it != FileList.end())
continue; // insert each library subcircuit just one time
FileList.insert(s, SubFile("LIB", s));
if(isAnalog)
r = ((LibComp*)pc)->createSubNetlist(stream, Collect, 1);
else {
if(isVerilog)
r = ((LibComp*)pc)->createSubNetlist(stream, Collect, 4);
else
r = ((LibComp*)pc)->createSubNetlist(stream, Collect, 2);
}
if(!r) {
ErrText->insert(
QObject::tr("ERROR: Cannot load library component \"%1\".").
arg(pc->Name));
return false;
}
continue;
}
// handle SPICE subcircuit components
if(pc->Model == "SPICE") {
s = pc->Props.first()->Value;
if(s.isEmpty()) {
ErrText->insert(QObject::tr("ERROR: No file name in SPICE component \"%1\".").
arg(pc->Name));
return false;
}
QString f = pc->getSubcircuitFile();
SubMap::Iterator it = FileList.find(f);
if(it != FileList.end())
continue; // insert each spice component just one time
FileList.insert(f, SubFile("CIR", f));
SpiceFile *sf = (SpiceFile*)pc;
r = sf->createSubNetlist(stream);
ErrText->insert(sf->getErrorText());
if(!r) return false;
continue;
}
// handle digital file subcircuits
if(pc->Model == "VHDL" || pc->Model == "Verilog") {
if(isVerilog && pc->Model == "VHDL")
continue;
if(!isVerilog && pc->Model == "Verilog")
continue;
s = pc->Props.getFirst()->Value;
if(s.isEmpty()) {
ErrText->insert(QObject::tr("ERROR: No file name in %1 component \"%2\".").
arg(pc->Model).
arg(pc->Name));
return false;
}
QString f = pc->getSubcircuitFile();
SubMap::Iterator it = FileList.find(f);
if(it != FileList.end())
continue; // insert each vhdl/verilog component just one time
QString s = ((pc->Model == "VHDL") ? "VHD" : "VER");
FileList.insert(f, SubFile(s, f));
if(pc->Model == "VHDL") {
VHDL_File *vf = (VHDL_File*)pc;
r = vf->createSubNetlist(stream);
ErrText->insert(vf->getErrorText());
if(!r) return false;
}
if(pc->Model == "Verilog") {
Verilog_File *vf = (Verilog_File*)pc;
r = vf->createSubNetlist(stream);
ErrText->insert(vf->getErrorText());
if(!r) return false;
}
continue;
}
}
return true;
}
// ---------------------------------------------------
// Follows the wire lines in order to determine the node names for
// each component. Output into "stream", NodeSets are collected in
// "Collect" and counted with "countInit".
bool Schematic::giveNodeNames(QTextStream *stream, int& countInit,
QStringList& Collect, QTextEdit *ErrText, int NumPorts)
{
// delete the node names
for(Node *pn = DocNodes.first(); pn != 0; pn = DocNodes.next()) {
pn->State = 0;
if(pn->Label) {
if(isAnalog)
pn->Name = pn->Label->Name;
else
pn->Name = "net" + pn->Label->Name;
}
else pn->Name = "";
}
// set the wire names to the connected node
for(Wire *pw = DocWires.first(); pw != 0; pw = DocWires.next())
if(pw->Label != 0) {
if(isAnalog)
pw->Port1->Name = pw->Label->Name;
else // avoid to use reserved VHDL words
pw->Port1->Name = "net" + pw->Label->Name;
}
// go through components
if(!throughAllComps(stream, countInit, Collect, ErrText, NumPorts))
return false;
// work on named nodes first in order to preserve the user given names
throughAllNodes(true, Collect, countInit);
// give names to the remaining (unnamed) nodes
throughAllNodes(false, Collect, countInit);
if(!isAnalog) // collect all node names for VHDL signal declaration
collectDigitalSignals();
return true;
}
// ---------------------------------------------------
bool Schematic::createLibNetlist(QTextStream *stream, QTextEdit *ErrText,
int NumPorts)
{
int countInit = 0;
QStringList Collect;
Collect.clear();
FileList.clear();
Signals.clear();
// Apply node names and collect subcircuits and file include
creatingLib = true;
if(!giveNodeNames(stream, countInit, Collect, ErrText, NumPorts)) {
creatingLib = false;
return false;
}
creatingLib = false;
// Marking start of actual top-level subcircuit
QString c;
if(!isAnalog) {
if (isVerilog)
c = "///";
else
c = "---";
}
else c = "###";
(*stream) << "\n" << c << " TOP LEVEL MARK " << c << "\n";
// Emit subcircuit components
createSubNetlistPlain(stream, ErrText, NumPorts);
Signals.clear(); // was filled in "giveNodeNames()"
return true;
}
//#define VHDL_SIGNAL_TYPE "bit"
//#define VHDL_LIBRARIES ""
#define VHDL_SIGNAL_TYPE "std_logic"
#define VHDL_LIBRARIES "\nlibrary ieee;\nuse ieee.std_logic_1164.all;\n"
// ---------------------------------------------------
void Schematic::createSubNetlistPlain(QTextStream *stream, QTextEdit *ErrText,
int NumPorts)
{
int i, z;
QString s;
QStringList SubcircuitPortNames;
QStringList SubcircuitPortTypes;
QStringList InPorts;
QStringList OutPorts;
QStringList InOutPorts;
QStringList::Iterator it_name;
QStringList::Iterator it_type;
Component *pc;
// probably creating a library currently
QTextStream * tstream = stream;
QFile ofile;
if(creatingLib) {
QString f = properAbsFileName(DocName) + ".lst";
ofile.setName(f);
if(!ofile.open(IO_WriteOnly)) {
ErrText->insert(tr("ERROR: Cannot create library file \"%s\".").arg(f));
return;
}
tstream = new QTextStream(&ofile);
}
// collect subcircuit ports and sort their node names into
// "SubcircuitPortNames"
PortTypes.clear();
for(pc = DocComps.first(); pc != 0; pc = DocComps.next()) {
if(pc->Model.at(0) == '.') { // no simulations in subcircuits
ErrText->insert(
QObject::tr("WARNING: Ignore simulation component in subcircuit \"%1\".").arg(DocName)+"\n");
continue;
}
else if(pc->Model == "Port") {
i = pc->Props.first()->Value.toInt();
for(z=SubcircuitPortNames.size(); z<i; z++) { // add empty port names
SubcircuitPortNames.append(" ");
SubcircuitPortTypes.append(" ");
}
it_name = SubcircuitPortNames.at(i-1);
it_type = SubcircuitPortTypes.at(i-1);
(*it_name) = pc->Ports.getFirst()->Connection->Name;
DigMap::Iterator it = Signals.find(*it_name);
(*it_type) = it.data().Type;
// propagate type to port symbol
pc->Ports.getFirst()->Connection->Type = *it_type;
if(!isAnalog) {
if (isVerilog) {
Signals.erase(*it_name); // remove node name
switch(pc->Props.at(1)->Value.at(0).latin1()) {
case 'a':
InOutPorts.append(*it_name);
break;
case 'o':
OutPorts.append(*it_name);
break;
default:
InPorts.append(*it_name);
}
}
else {
// remove node name of output port
Signals.erase(*it_name);
switch(pc->Props.at(1)->Value.at(0).latin1()) {
case 'a':
(*it_name) += " : inout"; // attribute "analog" is "inout"
break;
case 'o': // output ports need workaround
Signals.insert(*it_name, DigSignal(*it_name, *it_type));
(*it_name) = "net_out" + (*it_name);
// no "break;" here !!!
default:
(*it_name) += " : " + pc->Props.at(1)->Value;
}
(*it_name) += " " + ((*it_type).isEmpty() ?
VHDL_SIGNAL_TYPE : (*it_type));
}
}
}
}
// remove empty subcircuit ports (missing port numbers)
for(it_name = SubcircuitPortNames.begin(),
it_type = SubcircuitPortTypes.begin();
it_name != SubcircuitPortNames.end(); ) {
if(*it_name == " ") {
it_name = SubcircuitPortNames.remove(it_name);
it_type = SubcircuitPortTypes.remove(it_type);
} else {
PortTypes.append(*it_type);
it_name++;
it_type++;
}
}
QString f = properFileName(DocName);
QString Type = properName(f);
Painting *pi;
if(isAnalog) {
// ..... analog subcircuit ...................................
(*tstream) << "\n.Def:" << Type << " " << SubcircuitPortNames.join(" ");
for(pi = SymbolPaints.first(); pi != 0; pi = SymbolPaints.next())
if(pi->Name == ".ID ") {
SubParameter *pp;
ID_Text *pid = (ID_Text*)pi;
for(pp = pid->Parameter.first(); pp != 0; pp = pid->Parameter.next()) {
s = pp->Name; // keep 'Name' unchanged
(*tstream) << " " << s.replace("=", "=\"") << '"';
}
break;
}
(*tstream) << '\n';
// write all components with node names into netlist file
for(pc = DocComps.first(); pc != 0; pc = DocComps.next())
(*tstream) << pc->getNetlist();
(*tstream) << ".Def:End\n";
}
else {
if (isVerilog) {
// ..... digital subcircuit ...................................
(*tstream) << "\nmodule Sub_" << Type << " ("
<< SubcircuitPortNames.join(", ") << ");\n";
if(!InPorts.isEmpty())
(*tstream) << " input " << InPorts.join(", ") << ";\n";
if(!OutPorts.isEmpty())
(*tstream) << " output " << OutPorts.join(", ") << ";\n";
if(!InOutPorts.isEmpty())
(*tstream) << " inout " << InOutPorts.join(", ") << ";\n";
if(!Signals.isEmpty()) {
QValueList<DigSignal> values = Signals.values();
QValueList<DigSignal>::iterator it;
for (it = values.begin(); it != values.end(); ++it) {
(*tstream) << " wire " << (*it).Name << ";\n";
}
}
(*tstream) << "\n";
if(Signals.find("gnd") != Signals.end())
(*tstream) << " assign gnd = 0;\n"; // should appear only once
// write all components into netlist file
for(pc = DocComps.first(); pc != 0; pc = DocComps.next())
(*tstream) << pc->get_Verilog_Code(NumPorts);
(*tstream) << "endmodule\n";
} else {
// ..... digital subcircuit ...................................
(*tstream) << VHDL_LIBRARIES;
(*tstream) << "entity Sub_" << Type << " is\n"
<< " port ("
<< SubcircuitPortNames.join(";\n ") << ");\n"
<< "end entity;\n"
<< "use work.all;\n"
<< "architecture Arch_Sub_" << Type << " of Sub_" << Type
<< " is\n";
if(!Signals.isEmpty()) {
QValueList<DigSignal> values = Signals.values();
QValueList<DigSignal>::iterator it;
for (it = values.begin(); it != values.end(); ++it) {
(*tstream) << " signal " << (*it).Name << " : "
<< ((*it).Type.isEmpty() ?
VHDL_SIGNAL_TYPE : (*it).Type) << ";\n";
}
}
(*tstream) << "begin\n";
if(Signals.find("gnd") != Signals.end())
(*tstream) << " gnd <= '0';\n"; // should appear only once
// write all components into netlist file
for(pc = DocComps.first(); pc != 0; pc = DocComps.next())
(*tstream) << pc->get_VHDL_Code(NumPorts);
(*tstream) << "end architecture;\n";
}
}
// close file
if(creatingLib) {
ofile.close();
delete tstream;
}
}
// ---------------------------------------------------
// Write the netlist as subcircuit to the text stream 'stream'.
bool Schematic::createSubNetlist(QTextStream *stream, int& countInit,
QStringList& Collect, QTextEdit *ErrText, int NumPorts)
{
// int Collect_count = Collect.count(); // position for this subcircuit
// TODO: NodeSets have to be put into the subcircuit block.
if(!giveNodeNames(stream, countInit, Collect, ErrText, NumPorts))
return false;
/* Example for TODO
for(it = Collect.at(Collect_count); it != Collect.end(); )
if((*it).left(4) == "use ") { // output all subcircuit uses
(*stream) << (*it);
it = Collect.remove(it);
}
else it++;*/
// Emit subcircuit components
createSubNetlistPlain(stream, ErrText, NumPorts);
Signals.clear(); // was filled in "giveNodeNames()"
return true;
}
// ---------------------------------------------------
// Determines the node names and writes subcircuits into netlist file.
int Schematic::prepareNetlist(QTextStream& stream, QStringList& Collect,
QTextEdit *ErrText)
{
if(showBias > 0) showBias = -1; // do not show DC bias anymore
isVerilog = false;
isAnalog = true;
bool isTruthTable = false;
int allTypes = 0, NumPorts = 0;
// Detect simulation domain (analog/digital) by looking at component types.
for(Component *pc = DocComps.first(); pc != 0; pc = DocComps.next()) {
if(pc->isActive == COMP_IS_OPEN) continue;
if(pc->Model.at(0) == '.') {
if(pc->Model == ".Digi") {
if(allTypes & isDigitalComponent) {
ErrText->insert(
QObject::tr("ERROR: Only one digital simulation allowed."));
return -10;
}
if(pc->Props.getFirst()->Value != "TimeList")
isTruthTable = true;
if(pc->Props.getLast()->Value != "VHDL")
isVerilog = true;
allTypes |= isDigitalComponent;
isAnalog = false;
}
else allTypes |= isAnalogComponent;
if((allTypes & isComponent) == isComponent) {
ErrText->insert(
QObject::tr("ERROR: Analog and digital simulations cannot be mixed."));
return -10;
}
}
else if(pc->Model == "DigiSource") NumPorts++;
}
if((allTypes & isAnalogComponent) == 0) {
if(allTypes == 0) {
// If no simulation exists, assume analog simulation. There may
// be a simulation within a SPICE file. Otherwise Qucsator will
// output an error.
isAnalog = true;
allTypes |= isAnalogComponent;
NumPorts = -1;
}
else {
if(NumPorts < 1 && isTruthTable) {
ErrText->insert(
QObject::tr("ERROR: Digital simulation needs at least one digital source."));
return -10;
}
if(!isTruthTable) NumPorts = 0;
}
}
else {
NumPorts = -1;
isAnalog = true;
}
// first line is documentation
if(allTypes & isAnalogComponent)
stream << "#";
else if (isVerilog)
stream << "//";
else
stream << "--";
stream << " Qucs " << PACKAGE_VERSION << " " << DocName << "\n";
// set timescale property for verilog schematics
if (isVerilog) {
stream << "\n`timescale 1ps/100fs\n";
}
int countInit = 0; // counts the nodesets to give them unique names
if(!giveNodeNames(&stream, countInit, Collect, ErrText, NumPorts))
return -10;
if(allTypes & isAnalogComponent)
return NumPorts;
if (!isVerilog) {
stream << VHDL_LIBRARIES;
stream << "entity TestBench is\n"
<< "end entity;\n"
<< "use work.all;\n";
}
return NumPorts;
}
// ---------------------------------------------------
// Write the beginning of digital netlist to the text stream 'stream'.
void Schematic::beginNetlistDigital(QTextStream& stream)
{
if (isVerilog) {
stream << "module TestBench ();\n";
QValueList<DigSignal> values = Signals.values();
QValueList<DigSignal>::iterator it;
for (it = values.begin(); it != values.end(); ++it) {
stream << " wire " << (*it).Name << ";\n";
}
stream << "\n";
} else {
stream << "architecture Arch_TestBench of TestBench is\n";
QValueList<DigSignal> values = Signals.values();
QValueList<DigSignal>::iterator it;
for (it = values.begin(); it != values.end(); ++it) {
stream << " signal " << (*it).Name << " : "
<< ((*it).Type.isEmpty() ?
VHDL_SIGNAL_TYPE : (*it).Type) << ";\n";
}
stream << "begin\n";
}
if(Signals.find("gnd") != Signals.end()) {
if (isVerilog) {
stream << " assign gnd = 0;\n";
} else {
stream << " gnd <= '0';\n"; // should appear only once
}
}
}
// ---------------------------------------------------
// Write the end of digital netlist to the text stream 'stream'.
void Schematic::endNetlistDigital(QTextStream& stream)
{
if (isVerilog) {
} else {
stream << "end architecture;\n";
}
}
// ---------------------------------------------------
// write all components with node names into the netlist file
QString Schematic::createNetlist(QTextStream& stream, int NumPorts)
{
if(!isAnalog) {
beginNetlistDigital(stream);
}
Signals.clear(); // was filled in "giveNodeNames()"
FileList.clear();
QString s, Time;
for(Component *pc = DocComps.first(); pc != 0; pc = DocComps.next()) {
if(isAnalog) {
s = pc->getNetlist();
}
else {
if(pc->Model == ".Digi" && pc->isActive) { // simulation component ?
if(NumPorts > 0) { // truth table simulation ?
if (isVerilog)
Time = QString::number((1 << NumPorts));
else
Time = QString::number((1 << NumPorts) - 1) + " ns";
} else {
Time = pc->Props.at(1)->Value;
if (isVerilog) {
if(!Verilog_Time(Time, pc->Name)) return Time;
} else {
if(!VHDL_Time(Time, pc->Name)) return Time; // wrong time format
}
}
}
if (isVerilog) {
s = pc->get_Verilog_Code(NumPorts);
} else {
s = pc->get_VHDL_Code(NumPorts);
}
if(s.at(0) == '<EFBFBD>') return s; // return error
}
stream << s;
}
if(!isAnalog) {
endNetlistDigital(stream);
}
return Time;
}
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