diff options
Diffstat (limited to 'src/libexpr/primops.cc')
| -rw-r--r-- | src/libexpr/primops.cc | 95 |
1 files changed, 45 insertions, 50 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 355b81adf76d..c36a68ce085e 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -330,8 +330,8 @@ static void prim_genericClosure(EvalState & state, const Pos & pos, Value * * ar /* Create the result list. */ state.mkList(v, res.size()); unsigned int n = 0; - foreach (ValueList::iterator, i, res) - v.list.elems[n++] = *i; + for (auto & i : res) + v.list.elems[n++] = i; } @@ -477,24 +477,24 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * StringSet outputs; outputs.insert("out"); - foreach (Bindings::iterator, i, *args[0]->attrs) { - if (i->name == state.sIgnoreNulls) continue; - string key = i->name; + for (auto & i : *args[0]->attrs) { + if (i.name == state.sIgnoreNulls) continue; + string key = i.name; startNest(nest, lvlVomit, format("processing attribute ‘%1%’") % key); try { if (ignoreNulls) { - state.forceValue(*i->value); - if (i->value->type == tNull) continue; + state.forceValue(*i.value); + if (i.value->type == tNull) continue; } /* The `args' attribute is special: it supplies the command-line arguments to the builder. */ if (key == "args") { - state.forceList(*i->value, pos); - for (unsigned int n = 0; n < i->value->list.length; ++n) { - string s = state.coerceToString(posDrvName, *i->value->list.elems[n], context, true); + state.forceList(*i.value, pos); + for (unsigned int n = 0; n < i.value->list.length; ++n) { + string s = state.coerceToString(posDrvName, *i.value->list.elems[n], context, true); drv.args.push_back(s); } } @@ -502,11 +502,11 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * /* All other attributes are passed to the builder through the environment. */ else { - string s = state.coerceToString(posDrvName, *i->value, context, true); + string s = state.coerceToString(posDrvName, *i.value, context, true); drv.env[key] = s; if (key == "builder") drv.builder = s; - else if (i->name == state.sSystem) drv.platform = s; - else if (i->name == state.sName) { + else if (i.name == state.sSystem) drv.platform = s; + else if (i.name == state.sName) { drvName = s; printMsg(lvlVomit, format("derivation name is ‘%1%’") % drvName); } @@ -520,17 +520,17 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * else if (key == "outputs") { Strings tmp = tokenizeString<Strings>(s); outputs.clear(); - foreach (Strings::iterator, j, tmp) { - if (outputs.find(*j) != outputs.end()) - throw EvalError(format("duplicate derivation output ‘%1%’, at %2%") % *j % posDrvName); - /* !!! Check whether *j is a valid attribute + for (auto & j : tmp) { + if (outputs.find(j) != outputs.end()) + throw EvalError(format("duplicate derivation output ‘%1%’, at %2%") % j % posDrvName); + /* !!! Check whether j is a valid attribute name. */ /* Derivations cannot be named ‘drv’, because then we'd have an attribute ‘drvPath’ in the resulting set. */ - if (*j == "drv") + if (j == "drv") throw EvalError(format("invalid derivation output name ‘drv’, at %1%") % posDrvName); - outputs.insert(*j); + outputs.insert(j); } if (outputs.empty()) throw EvalError(format("derivation cannot have an empty set of outputs, at %1%") % posDrvName); @@ -547,8 +547,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * /* Everything in the context of the strings in the derivation attributes should be added as dependencies of the resulting derivation. */ - foreach (PathSet::iterator, i, context) { - Path path = *i; + for (auto & path : context) { /* Paths marked with `=' denote that the path of a derivation is explicitly passed to the builder. Since that allows the @@ -560,10 +559,10 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * if (path.at(0) == '=') { /* !!! This doesn't work if readOnlyMode is set. */ PathSet refs; computeFSClosure(*store, string(path, 1), refs); - foreach (PathSet::iterator, j, refs) { - drv.inputSrcs.insert(*j); - if (isDerivation(*j)) - drv.inputDrvs[*j] = store->queryDerivationOutputNames(*j); + for (auto & j : refs) { + drv.inputSrcs.insert(j); + if (isDerivation(j)) + drv.inputDrvs[j] = store->queryDerivationOutputNames(j); } } @@ -622,20 +621,20 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * are empty, and the corresponding environment variables have an empty value. This ensures that changes in the set of output names do get reflected in the hash. */ - foreach (StringSet::iterator, i, outputs) { - drv.env[*i] = ""; - drv.outputs[*i] = DerivationOutput("", "", ""); + for (auto & i : outputs) { + drv.env[i] = ""; + drv.outputs[i] = DerivationOutput("", "", ""); } /* Use the masked derivation expression to compute the output path. */ Hash h = hashDerivationModulo(*store, drv); - foreach (DerivationOutputs::iterator, i, drv.outputs) - if (i->second.path == "") { - Path outPath = makeOutputPath(i->first, h, drvName); - drv.env[i->first] = outPath; - i->second.path = outPath; + for (auto & i : drv.outputs) + if (i.second.path == "") { + Path outPath = makeOutputPath(i.first, h, drvName); + drv.env[i.first] = outPath; + i.second.path = outPath; } } @@ -652,9 +651,9 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * * state.mkAttrs(v, 1 + drv.outputs.size()); mkString(*state.allocAttr(v, state.sDrvPath), drvPath, singleton<PathSet>("=" + drvPath)); - foreach (DerivationOutputs::iterator, i, drv.outputs) { - mkString(*state.allocAttr(v, state.symbols.create(i->first)), - i->second.path, singleton<PathSet>("!" + i->first + "!" + drvPath)); + for (auto & i : drv.outputs) { + mkString(*state.allocAttr(v, state.symbols.create(i.first)), + i.second.path, singleton<PathSet>("!" + i.first + "!" + drvPath)); } v.attrs->sort(); } @@ -871,8 +870,7 @@ static void prim_toFile(EvalState & state, const Pos & pos, Value * * args, Valu PathSet refs; - foreach (PathSet::iterator, i, context) { - Path path = *i; + for (auto path : context) { if (path.at(0) == '=') path = string(path, 1); if (isDerivation(path)) throw EvalError(format("in ‘toFile’: the file ‘%1%’ cannot refer to derivation outputs, at %2%") % name % pos); @@ -1057,9 +1055,9 @@ static void prim_removeAttrs(EvalState & state, const Pos & pos, Value * * args, to sort v.attrs because it's a subset of an already sorted vector. */ state.mkAttrs(v, args[0]->attrs->size()); - foreach (Bindings::iterator, i, *args[0]->attrs) { - if (names.find(i->name) == names.end()) - v.attrs->push_back(*i); + for (auto & i : *args[0]->attrs) { + if (names.find(i.name) == names.end()) + v.attrs->push_back(i); } } @@ -1111,8 +1109,8 @@ static void prim_intersectAttrs(EvalState & state, const Pos & pos, Value * * ar state.mkAttrs(v, std::min(args[0]->attrs->size(), args[1]->attrs->size())); - foreach (Bindings::iterator, i, *args[0]->attrs) { - Bindings::iterator j = args[1]->attrs->find(i->name); + for (auto & i : *args[0]->attrs) { + Bindings::iterator j = args[1]->attrs->find(i.name); if (j != args[1]->attrs->end()) v.attrs->push_back(*j); } @@ -1173,9 +1171,9 @@ static void prim_functionArgs(EvalState & state, const Pos & pos, Value * * args } state.mkAttrs(v, args[0]->lambda.fun->formals->formals.size()); - foreach (Formals::Formals_::iterator, i, args[0]->lambda.fun->formals->formals) + for (auto & i : args[0]->lambda.fun->formals->formals) // !!! should optimise booleans (allocate only once) - mkBool(*state.allocAttr(v, i->name), i->def); + mkBool(*state.allocAttr(v, i.name), i.def); v.attrs->sort(); } @@ -1407,11 +1405,8 @@ static void prim_unsafeDiscardOutputDependency(EvalState & state, const Pos & po string s = state.coerceToString(pos, *args[0], context); PathSet context2; - foreach (PathSet::iterator, i, context) { - Path p = *i; - if (p.at(0) == '=') p = "~" + string(p, 1); - context2.insert(p); - } + for (auto & p : context) + context2.insert(p.at(0) == '=' ? "~" + string(p, 1) : p); mkString(v, s, context2); } |