forked from lix-project/lix
* Make nicer dot graphs. Also show the inner structure of slices.
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c0bbed0959
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@ -7,6 +7,84 @@ static string dotQuote(const string & s)
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}
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static string nextColour()
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{
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static int n = 0;
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static string colours[] =
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{ "black", "red", "green", "blue"
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, "magenta", "burlywood" };
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return colours[n++ % (sizeof(colours) / sizeof(string))];
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}
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static string makeEdge(const string & src, const string & dst)
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{
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format f = format("%1% -> %2% [color = %3%];\n")
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% dotQuote(src) % dotQuote(dst) % dotQuote(nextColour());
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return f.str();
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}
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static string makeNode(const string & id, const string & label,
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const string & colour)
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{
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format f = format("%1% [label = %2%, shape = box, "
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"style = filled, fillcolor = %3%];\n")
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% dotQuote(id) % dotQuote(label) % dotQuote(colour);
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return f.str();
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}
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static string symbolicName(const string & path)
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{
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string p = baseNameOf(path);
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if (isHash(string(p, 0, Hash::hashSize * 2)) &&
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p[Hash::hashSize * 2] == '-')
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p = string(p, Hash::hashSize * 2 + 1);
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return p;
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}
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string pathLabel(const FSId & id, const string & path)
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{
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return (string) id + "-" + path;
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}
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void printSlice(const FSId & id, const FState & fs)
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{
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Strings workList(fs.slice.roots.begin(), fs.slice.roots.end());
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StringSet doneSet;
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for (Strings::iterator i = workList.begin(); i != workList.end(); i++) {
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cout << makeEdge(pathLabel(id, *i), id);
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}
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while (!workList.empty()) {
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string path = workList.front();
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workList.pop_front();
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if (doneSet.find(path) == doneSet.end()) {
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doneSet.insert(path);
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SliceElems::const_iterator elem = fs.slice.elems.find(path);
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if (elem == fs.slice.elems.end())
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throw Error(format("bad slice, missing path `%1%'") % path);
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for (StringSet::const_iterator i = elem->second.refs.begin();
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i != elem->second.refs.end(); i++)
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{
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workList.push_back(*i);
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cout << makeEdge(pathLabel(id, *i), pathLabel(id, path));
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}
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cout << makeNode(pathLabel(id, path),
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symbolicName(path), "#ff0000");
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}
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}
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}
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void printDotGraph(const FSIds & roots)
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{
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FSIds workList(roots.begin(), roots.end());
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@ -23,41 +101,34 @@ void printDotGraph(const FSIds & roots)
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FState fs = parseFState(termFromId(id));
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string label, shape;
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string label, colour;
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if (fs.type == FState::fsDerive) {
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for (FSIdSet::iterator i = fs.derive.inputs.begin();
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i != fs.derive.inputs.end(); i++)
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{
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workList.push_back(*i);
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cout << dotQuote(*i) << " -> "
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<< dotQuote(id) << ";\n";
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cout << makeEdge(*i, id);
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}
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label = "derive";
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shape = "box";
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colour = "#00ff00";
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for (StringPairs::iterator i = fs.derive.env.begin();
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i != fs.derive.env.end(); i++)
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if (i->first == "name") label = i->second;
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}
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else if (fs.type == FState::fsSlice) {
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label = baseNameOf((*fs.slice.elems.begin()).first);
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shape = "ellipse";
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if (isHash(string(label, 0, Hash::hashSize * 2)) &&
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label[Hash::hashSize * 2] == '-')
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label = string(label, Hash::hashSize * 2 + 1);
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label = "<slice>";
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colour = "#00ffff";
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printSlice(id, fs);
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}
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else abort();
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cout << dotQuote(id) << "[label = "
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<< dotQuote(label)
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<< ", shape = " << shape
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<< "];\n";
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cout << makeNode(id, label, colour);
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}
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}
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cout << "}\n";
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}
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@ -168,7 +168,7 @@ static void opQuery(Strings opFlags, Strings opArgs)
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FSIds roots;
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for (Strings::iterator i = opArgs.begin();
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i != opArgs.end(); i++)
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roots.push_back(argToId(*i));
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roots.push_back(maybeNormalise(argToId(*i), normalise));
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printDotGraph(roots);
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break;
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}
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