diff options
Diffstat (limited to 'nix-repl.cc')
| -rw-r--r-- | nix-repl.cc | 68 |
1 files changed, 36 insertions, 32 deletions
diff --git a/nix-repl.cc b/nix-repl.cc index 43e8c4a6cc68..474ad4fc9afd 100644 --- a/nix-repl.cc +++ b/nix-repl.cc @@ -87,8 +87,8 @@ void NixRepl::mainLoop(const Strings & files) { std::cout << "Welcome to Nix version " << NIX_VERSION << ". Type :? for help." << std::endl << std::endl; - foreach (Strings::const_iterator, i, files) - loadedFiles.push_back(*i); + for (auto & i : files) + loadedFiles.push_back(i); reloadFiles(); if (!loadedFiles.empty()) std::cout << std::endl; @@ -210,8 +210,8 @@ void NixRepl::completePrefix(string prefix) e->eval(state, *env, v); state.forceAttrs(v); - foreach (Bindings::iterator, i, *v.attrs) { - string name = i->name; + for (auto & i : *v.attrs) { + string name = i.name; if (string(name, 0, prefix2.size()) != prefix2) continue; completions.insert(expr + "." + name); } @@ -251,11 +251,11 @@ static int runProgram(const string & program, const Strings & args) bool isVarName(const string & s) { // FIXME: not quite correct. - foreach (string::const_iterator, i, s) - if (!((*i >= 'a' && *i <= 'z') || - (*i >= 'A' && *i <= 'Z') || - (*i >= '0' && *i <= '9') || - *i == '_' || *i == '\'')) + for (auto & i : s) + if (!((i >= 'a' && i <= 'z') || + (i >= 'A' && i <= 'Z') || + (i >= '0' && i <= '9') || + i == '_' || i == '\'')) return false; return true; } @@ -329,8 +329,8 @@ bool NixRepl::processLine(string line) if (runProgram("nix-store", Strings{"-r", drvPath}) == 0) { Derivation drv = readDerivation(drvPath); std::cout << std::endl << "this derivation produced the following outputs:" << std::endl; - foreach (DerivationOutputs::iterator, i, drv.outputs) - std::cout << format(" %1% -> %2%") % i->first % i->second.path << std::endl; + for (auto & i : drv.outputs) + std::cout << format(" %1% -> %2%") % i.first % i.second.path << std::endl; } } else runProgram("nix-shell", Strings{drvPath}); @@ -393,8 +393,8 @@ void NixRepl::initEnv() staticEnv.vars.clear(); varNames.clear(); - foreach (StaticEnv::Vars::iterator, i, state.staticBaseEnv.vars) - varNames.insert(i->first); + for (auto & i : state.staticBaseEnv.vars) + varNames.insert(i.first); } @@ -405,10 +405,12 @@ void NixRepl::reloadFiles() Strings old = loadedFiles; loadedFiles.clear(); - foreach (Strings::iterator, i, old) { - if (i != old.begin()) std::cout << std::endl; - std::cout << format("Loading ‘%1%’...") % *i << std::endl; - loadFile(*i); + bool first = true; + for (auto & i : old) { + if (!first) std::cout << std::endl; + first = false; + std::cout << format("Loading ‘%1%’...") % i << std::endl; + loadFile(i); } } @@ -416,8 +418,8 @@ void NixRepl::reloadFiles() void NixRepl::addAttrsToScope(Value & attrs) { state.forceAttrs(attrs); - foreach (Bindings::iterator, i, *attrs.attrs) - addVarToScope(i->name, *i->value); + for (auto & i : *attrs.attrs) + addVarToScope(i.name, *i.value); std::cout << format("Added %1% variables.") % attrs.attrs->size() << std::endl; } @@ -509,8 +511,8 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m typedef std::map<string, Value *> Sorted; Sorted sorted; - foreach (Bindings::iterator, i, *v.attrs) - sorted[i->name] = i->value; + for (auto & i : *v.attrs) + sorted[i.name] = i.value; /* If this is a derivation, then don't show the self-references ("all", "out", etc.). */ @@ -522,20 +524,20 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m hidden.insert("out"); else { state.forceList(*i->value); - for (unsigned int j = 0; j < i->value->list.length; ++j) - hidden.insert(state.forceStringNoCtx(*i->value->list.elems[j])); + for (unsigned int j = 0; j < i->value->listSize(); ++j) + hidden.insert(state.forceStringNoCtx(*i->value->listElems()[j])); } } - foreach (Sorted::iterator, i, sorted) { - str << i->first << " = "; - if (hidden.find(i->first) != hidden.end()) + for (auto & i : sorted) { + str << i.first << " = "; + if (hidden.find(i.first) != hidden.end()) str << "«...»"; - else if (seen.find(i->second) != seen.end()) + else if (seen.find(i.second) != seen.end()) str << "«repeated»"; else try { - printValue(str, *i->second, maxDepth - 1, seen); + printValue(str, *i.second, maxDepth - 1, seen); } catch (AssertionError & e) { str << "«error: " << e.msg() << "»"; } @@ -549,17 +551,19 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m break; } - case tList: + case tList1: + case tList2: + case tListN: seen.insert(&v); str << "[ "; if (maxDepth > 0) - for (unsigned int n = 0; n < v.list.length; ++n) { - if (seen.find(v.list.elems[n]) != seen.end()) + for (unsigned int n = 0; n < v.listSize(); ++n) { + if (seen.find(v.listElems()[n]) != seen.end()) str << "«repeated»"; else try { - printValue(str, *v.list.elems[n], maxDepth - 1, seen); + printValue(str, *v.listElems()[n], maxDepth - 1, seen); } catch (AssertionError & e) { str << "«error: " << e.msg() << "»"; } |