diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/Makefile.am | 2 | ||||
| -rw-r--r-- | src/dotgraph.cc | 63 | ||||
| -rw-r--r-- | src/dotgraph.hh | 8 | ||||
| -rw-r--r-- | src/nix.cc | 64 |
4 files changed, 76 insertions, 61 deletions
diff --git a/src/Makefile.am b/src/Makefile.am index 85bf502825ed..cddcae1c66c5 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -4,7 +4,7 @@ check_PROGRAMS = test AM_CXXFLAGS = -DSYSTEM=\"@host@\" -Wall -I.. -I../externals/inst/include $(CXXFLAGS) AM_LDFLAGS = -L../externals/inst/lib -ldb_cxx -lATerm $(LDFLAGS) -nix_SOURCES = nix.cc +nix_SOURCES = nix.cc dotgraph.cc nix_LDADD = libshared.a libnix.a -ldb_cxx -lATerm nix_hash_SOURCES = nix-hash.cc diff --git a/src/dotgraph.cc b/src/dotgraph.cc new file mode 100644 index 000000000000..9f0182e53096 --- /dev/null +++ b/src/dotgraph.cc @@ -0,0 +1,63 @@ +#include "dotgraph.hh" + + +static string dotQuote(const string & s) +{ + return "\"" + s + "\""; +} + + +void printDotGraph(const FSIds & roots) +{ + FSIds workList(roots.begin(), roots.end()); + FSIdSet doneSet; + + cout << "digraph G {\n"; + + while (!workList.empty()) { + FSId id = workList.front(); + workList.pop_front(); + + if (doneSet.find(id) == doneSet.end()) { + doneSet.insert(id); + + FState fs = parseFState(termFromId(id)); + + string label, shape; + + if (fs.type == FState::fsDerive) { + for (FSIdSet::iterator i = fs.derive.inputs.begin(); + i != fs.derive.inputs.end(); i++) + { + workList.push_back(*i); + cout << dotQuote(*i) << " -> " + << dotQuote(id) << ";\n"; + } + + label = "derive"; + shape = "box"; + for (StringPairs::iterator i = fs.derive.env.begin(); + i != fs.derive.env.end(); i++) + if (i->first == "name") label = i->second; + } + + else if (fs.type == FState::fsSlice) { + label = baseNameOf((*fs.slice.elems.begin()).first); + shape = "ellipse"; + if (isHash(string(label, 0, Hash::hashSize * 2)) && + label[Hash::hashSize * 2] == '-') + label = string(label, Hash::hashSize * 2 + 1); + } + + else abort(); + + cout << dotQuote(id) << "[label = " + << dotQuote(label) + << ", shape = " << shape + << "];\n"; + } + } + + cout << "}\n"; + +} diff --git a/src/dotgraph.hh b/src/dotgraph.hh new file mode 100644 index 000000000000..d88e04e09794 --- /dev/null +++ b/src/dotgraph.hh @@ -0,0 +1,8 @@ +#ifndef __DOTGRAPH_H +#define __DOTGRAPH_H + +#include "fstate.hh" + +void printDotGraph(const FSIds & roots); + +#endif /* !__DOTGRAPH_H */ diff --git a/src/nix.cc b/src/nix.cc index 04195e8d4428..41ed16839725 100644 --- a/src/nix.cc +++ b/src/nix.cc @@ -5,6 +5,7 @@ #include "normalise.hh" #include "archive.hh" #include "shared.hh" +#include "dotgraph.hh" typedef void (* Operation) (Strings opFlags, Strings opArgs); @@ -80,12 +81,6 @@ static void opAdd(Strings opFlags, Strings opArgs) } -static string dotQuote(const string & s) -{ - return "\"" + s + "\""; -} - - FSId maybeNormalise(const FSId & id, bool normalise) { return normalise ? normaliseFState(id) : id; @@ -170,62 +165,11 @@ static void opQuery(Strings opFlags, Strings opArgs) } case qGraph: { - - FSIds workList; - + FSIds roots; for (Strings::iterator i = opArgs.begin(); i != opArgs.end(); i++) - workList.push_back(argToId(*i)); - - FSIdSet doneSet; - - cout << "digraph G {\n"; - - while (!workList.empty()) { - FSId id = workList.front(); - workList.pop_front(); - - if (doneSet.find(id) == doneSet.end()) { - doneSet.insert(id); - - FState fs = parseFState(termFromId(id)); - - string label, shape; - - if (fs.type == FState::fsDerive) { - for (FSIdSet::iterator i = fs.derive.inputs.begin(); - i != fs.derive.inputs.end(); i++) - { - workList.push_back(*i); - cout << dotQuote(*i) << " -> " - << dotQuote(id) << ";\n"; - } - - label = "derive"; - shape = "box"; - for (StringPairs::iterator i = fs.derive.env.begin(); - i != fs.derive.env.end(); i++) - if (i->first == "name") label = i->second; - } - - else if (fs.type == FState::fsSlice) { - label = baseNameOf((*fs.slice.elems.begin()).first); - shape = "ellipse"; - if (isHash(string(label, 0, Hash::hashSize * 2)) && - label[Hash::hashSize * 2] == '-') - label = string(label, Hash::hashSize * 2 + 1); - } - - else abort(); - - cout << dotQuote(id) << "[label = " - << dotQuote(label) - << ", shape = " << shape - << "];\n"; - } - } - - cout << "}\n"; + roots.push_back(argToId(*i)); + printDotGraph(roots); break; } |