157 lines
3.7 KiB
C++
157 lines
3.7 KiB
C++
#include "dotgraph.hh"
|
||
#include "util.hh"
|
||
#include "store-api.hh"
|
||
|
||
#include <iostream>
|
||
|
||
|
||
using std::cout;
|
||
|
||
namespace nix {
|
||
|
||
|
||
static string dotQuote(const string & s)
|
||
{
|
||
return "\"" + s + "\"";
|
||
}
|
||
|
||
|
||
static string nextColour()
|
||
{
|
||
static int n = 0;
|
||
static string colours[] =
|
||
{ "black", "red", "green", "blue"
|
||
, "magenta", "burlywood" };
|
||
return colours[n++ % (sizeof(colours) / sizeof(string))];
|
||
}
|
||
|
||
|
||
static string makeEdge(const string & src, const string & dst)
|
||
{
|
||
format f = format("%1% -> %2% [color = %3%];\n")
|
||
% dotQuote(src) % dotQuote(dst) % dotQuote(nextColour());
|
||
return f.str();
|
||
}
|
||
|
||
|
||
static string makeNode(const string & id, const string & label,
|
||
const string & colour)
|
||
{
|
||
format f = format("%1% [label = %2%, shape = box, "
|
||
"style = filled, fillcolor = %3%];\n")
|
||
% dotQuote(id) % dotQuote(label) % dotQuote(colour);
|
||
return f.str();
|
||
}
|
||
|
||
|
||
static string symbolicName(const string & path)
|
||
{
|
||
string p = baseNameOf(path);
|
||
int dash = p.find('-');
|
||
return string(p, dash + 1);
|
||
}
|
||
|
||
|
||
#if 0
|
||
string pathLabel(const Path & nePath, const string & elemPath)
|
||
{
|
||
return (string) nePath + "-" + elemPath;
|
||
}
|
||
|
||
|
||
void printClosure(const Path & nePath, const StoreExpr & fs)
|
||
{
|
||
PathSet workList(fs.closure.roots);
|
||
PathSet doneSet;
|
||
|
||
for (PathSet::iterator i = workList.begin(); i != workList.end(); ++i) {
|
||
cout << makeEdge(pathLabel(nePath, *i), nePath);
|
||
}
|
||
|
||
while (!workList.empty()) {
|
||
Path path = *(workList.begin());
|
||
workList.erase(path);
|
||
|
||
if (doneSet.find(path) == doneSet.end()) {
|
||
doneSet.insert(path);
|
||
|
||
ClosureElems::const_iterator elem = fs.closure.elems.find(path);
|
||
if (elem == fs.closure.elems.end())
|
||
throw Error(format("bad closure, missing path ‘%1%’") % path);
|
||
|
||
for (StringSet::const_iterator i = elem->second.refs.begin();
|
||
i != elem->second.refs.end(); ++i)
|
||
{
|
||
workList.insert(*i);
|
||
cout << makeEdge(pathLabel(nePath, *i), pathLabel(nePath, path));
|
||
}
|
||
|
||
cout << makeNode(pathLabel(nePath, path),
|
||
symbolicName(path), "#ff0000");
|
||
}
|
||
}
|
||
}
|
||
#endif
|
||
|
||
|
||
void printDotGraph(ref<Store> store, const PathSet & roots)
|
||
{
|
||
PathSet workList(roots);
|
||
PathSet doneSet;
|
||
|
||
cout << "digraph G {\n";
|
||
|
||
while (!workList.empty()) {
|
||
Path path = *(workList.begin());
|
||
workList.erase(path);
|
||
|
||
if (doneSet.find(path) != doneSet.end()) continue;
|
||
doneSet.insert(path);
|
||
|
||
cout << makeNode(path, symbolicName(path), "#ff0000");
|
||
|
||
for (auto & p : store->queryPathInfo(path)->references) {
|
||
if (p != path) {
|
||
workList.insert(p);
|
||
cout << makeEdge(p, path);
|
||
}
|
||
}
|
||
|
||
#if 0
|
||
StoreExpr ne = storeExprFromPath(path);
|
||
|
||
string label, colour;
|
||
|
||
if (ne.type == StoreExpr::neDerivation) {
|
||
for (PathSet::iterator i = ne.derivation.inputs.begin();
|
||
i != ne.derivation.inputs.end(); ++i)
|
||
{
|
||
workList.insert(*i);
|
||
cout << makeEdge(*i, path);
|
||
}
|
||
|
||
label = "derivation";
|
||
colour = "#00ff00";
|
||
for (StringPairs::iterator i = ne.derivation.env.begin();
|
||
i != ne.derivation.env.end(); ++i)
|
||
if (i->first == "name") label = i->second;
|
||
}
|
||
|
||
else if (ne.type == StoreExpr::neClosure) {
|
||
label = "<closure>";
|
||
colour = "#00ffff";
|
||
printClosure(path, ne);
|
||
}
|
||
|
||
else abort();
|
||
|
||
cout << makeNode(path, label, colour);
|
||
#endif
|
||
}
|
||
|
||
cout << "}\n";
|
||
}
|
||
|
||
|
||
}
|