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OCD: foreach -> C++11 ranged for

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This commit is contained in:
Eelco Dolstra 2015-07-17 19:24:28 +02:00
parent 1511aa9f48
commit 6bd2c7bb38
30 changed files with 849 additions and 874 deletions
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8
src/download-via-ssh/download-via-ssh.cc
View file

@ -64,8 +64,8 @@ static void query(std::pair<FdSink, FdSource> & pipes)
writeStrings(tokenized, pipes.first);
pipes.first.flush();
PathSet paths = readStrings<PathSet>(pipes.second);
foreach (PathSet::iterator, i, paths)
std::cout << *i << std::endl;
for (auto & i : paths)
std::cout << i << std::endl;
} else if (cmd == "info") {
writeInt(cmdQueryPathInfos, pipes.first);
writeStrings(tokenized, pipes.first);
@ -80,8 +80,8 @@ static void query(std::pair<FdSink, FdSource> & pipes)
std::cout << deriver << std::endl;
PathSet references = readStorePaths<PathSet>(pipes.second);
std::cout << references.size() << std::endl;
foreach (PathSet::iterator, i, references)
std::cout << *i << std::endl;
for (auto & i : references)
std::cout << i << std::endl;
std::cout << readLongLong(pipes.second) << std::endl;
std::cout << readLongLong(pipes.second) << std::endl;
}

5
src/libexpr/attr-path.cc
View file

@ -42,11 +42,10 @@ Value * findAlongAttrPath(EvalState & state, const string & attrPath,
Value * v = &vIn;
foreach (Strings::iterator, i, tokens) {
for (auto & attr : tokens) {
/* Is *i an index (integer) or a normal attribute name? */
/* Is i an index (integer) or a normal attribute name? */
enum { apAttr, apIndex } apType = apAttr;
string attr = *i;
unsigned int attrIndex;
if (string2Int(attr, attrIndex)) apType = apIndex;

90
src/libexpr/eval.cc
View file

@ -98,8 +98,8 @@ static void printValue(std::ostream & str, std::set<const Value *> & active, con
str << "{ ";
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;
for (auto & i : sorted) {
str << i.first << " = ";
printValue(str, active, *i.second);
@ -442,8 +442,8 @@ void mkString(Value & v, const string & s, const PathSet & context)
unsigned int n = 0;
v.string.context = (const char * *)
allocBytes((context.size() + 1) * sizeof(char *));
foreach (PathSet::const_iterator, i, context)
v.string.context[n++] = dupString(i->c_str());
for (auto & i : context)
v.string.context[n++] = dupString(i.c_str());
v.string.context[n] = 0;
}
}
@ -723,15 +723,15 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
environment, while the inherited attributes are evaluated
in the original environment. */
unsigned int displ = 0;
foreach (AttrDefs::iterator, i, attrs) {
for (auto & i : attrs) {
Value * vAttr;
if (hasOverrides && !i->second.inherited) {
if (hasOverrides && !i.second.inherited) {
vAttr = state.allocValue();
mkThunk(*vAttr, env2, i->second.e);
mkThunk(*vAttr, env2, i.second.e);
} else
vAttr = i->second.e->maybeThunk(state, i->second.inherited ? env : env2);
vAttr = i.second.e->maybeThunk(state, i.second.inherited ? env : env2);
env2.values[displ++] = vAttr;
v.attrs->push_back(Attr(i->first, vAttr, &i->second.pos));
v.attrs->push_back(Attr(i.first, vAttr, &i.second.pos));
}
/* If the rec contains an attribute called `__overrides', then
@ -762,13 +762,13 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
}
else
foreach (AttrDefs::iterator, i, attrs)
v.attrs->push_back(Attr(i->first, i->second.e->maybeThunk(state, env), &i->second.pos));
for (auto & i : attrs)
v.attrs->push_back(Attr(i.first, i.second.e->maybeThunk(state, env), &i.second.pos));
/* Dynamic attrs apply *after* rec and __overrides. */
foreach (DynamicAttrDefs::iterator, i, dynamicAttrs) {
for (auto & i : dynamicAttrs) {
Value nameVal;
i->nameExpr->eval(state, *dynamicEnv, nameVal);
i.nameExpr->eval(state, *dynamicEnv, nameVal);
state.forceValue(nameVal);
if (nameVal.type == tNull)
continue;
@ -776,11 +776,11 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
Symbol nameSym = state.symbols.create(nameVal.string.s);
Bindings::iterator j = v.attrs->find(nameSym);
if (j != v.attrs->end())
throwEvalError("dynamic attribute ‘%1%’ at %2% already defined at %3%", nameSym, i->pos, *j->pos);
throwEvalError("dynamic attribute ‘%1%’ at %2% already defined at %3%", nameSym, i.pos, *j->pos);
i->valueExpr->setName(nameSym);
i.valueExpr->setName(nameSym);
/* Keep sorted order so find can catch duplicates */
v.attrs->push_back(Attr(nameSym, i->valueExpr->maybeThunk(state, *dynamicEnv), &i->pos));
v.attrs->push_back(Attr(nameSym, i.valueExpr->maybeThunk(state, *dynamicEnv), &i.pos));
v.attrs->sort(); // FIXME: inefficient
}
}
@ -797,8 +797,8 @@ void ExprLet::eval(EvalState & state, Env & env, Value & v)
while the inherited attributes are evaluated in the original
environment. */
unsigned int displ = 0;
foreach (ExprAttrs::AttrDefs::iterator, i, attrs->attrs)
env2.values[displ++] = i->second.e->maybeThunk(state, i->second.inherited ? env : env2);
for (auto & i : attrs->attrs)
env2.values[displ++] = i.second.e->maybeThunk(state, i.second.inherited ? env : env2);
body->eval(state, env2, v);
}
@ -849,10 +849,10 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
try {
foreach (AttrPath::const_iterator, i, attrPath) {
for (auto & i : attrPath) {
nrLookups++;
Bindings::iterator j;
Symbol name = getName(*i, state, env);
Symbol name = getName(i, state, env);
if (def) {
state.forceValue(*vAttrs);
if (vAttrs->type != tAttrs ||
@ -891,10 +891,10 @@ void ExprOpHasAttr::eval(EvalState & state, Env & env, Value & v)
e->eval(state, env, vTmp);
foreach (AttrPath::const_iterator, i, attrPath) {
for (auto & i : attrPath) {
state.forceValue(*vAttrs);
Bindings::iterator j;
Symbol name = getName(*i, state, env);
Symbol name = getName(i, state, env);
if (vAttrs->type != tAttrs ||
(j = vAttrs->attrs->find(name)) == vAttrs->attrs->end())
{
@ -1007,12 +1007,12 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
there is no matching actual argument but the formal
argument has a default, use the default. */
unsigned int attrsUsed = 0;
foreach (Formals::Formals_::iterator, i, lambda.formals->formals) {
Bindings::iterator j = arg.attrs->find(i->name);
for (auto & i : lambda.formals->formals) {
Bindings::iterator j = arg.attrs->find(i.name);
if (j == arg.attrs->end()) {
if (!i->def) throwTypeError("%1% called without required argument ‘%2%’, at %3%",
lambda, i->name, pos);
env2.values[displ++] = i->def->maybeThunk(*this, env2);
if (!i.def) throwTypeError("%1% called without required argument ‘%2%’, at %3%",
lambda, i.name, pos);
env2.values[displ++] = i.def->maybeThunk(*this, env2);
} else {
attrsUsed++;
env2.values[displ++] = j->value;
@ -1024,9 +1024,9 @@ void EvalState::callFunction(Value & fun, Value & arg, Value & v, const Pos & po
if (!lambda.formals->ellipsis && attrsUsed != arg.attrs->size()) {
/* Nope, so show the first unexpected argument to the
user. */
foreach (Bindings::iterator, i, *arg.attrs)
if (lambda.formals->argNames.find(i->name) == lambda.formals->argNames.end())
throwTypeError("%1% called with unexpected argument ‘%2%’, at %3%", lambda, i->name, pos);
for (auto & i : *arg.attrs)
if (lambda.formals->argNames.find(i.name) == lambda.formals->argNames.end())
throwTypeError("%1% called with unexpected argument ‘%2%’, at %3%", lambda, i.name, pos);
abort(); // can't happen
}
}
@ -1068,12 +1068,12 @@ void EvalState::autoCallFunction(Bindings & args, Value & fun, Value & res)
Value * actualArgs = allocValue();
mkAttrs(*actualArgs, fun.lambda.fun->formals->formals.size());
foreach (Formals::Formals_::iterator, i, fun.lambda.fun->formals->formals) {
Bindings::iterator j = args.find(i->name);
for (auto & i : fun.lambda.fun->formals->formals) {
Bindings::iterator j = args.find(i.name);
if (j != args.end())
actualArgs->attrs->push_back(*j);
else if (!i->def)
throwTypeError("cannot auto-call a function that has an argument without a default value (‘%1%’)", i->name);
else if (!i.def)
throwTypeError("cannot auto-call a function that has an argument without a default value (‘%1%’)", i.name);
}
actualArgs->attrs->sort();
@ -1229,9 +1229,9 @@ void ExprConcatStrings::eval(EvalState & state, Env & env, Value & v)
bool first = !forceString;
ValueType firstType = tString;
foreach (vector<Expr *>::iterator, i, *es) {
for (auto & i : *es) {
Value vTmp;
(*i)->eval(state, env, vTmp);
i->eval(state, env, vTmp);
/* If the first element is a path, then the result will also
be a path, we don't copy anything (yet - that's done later,
@ -1583,25 +1583,25 @@ void EvalState::printStats()
printMsg(v, format("calls to %1% primops:") % primOpCalls.size());
typedef std::multimap<unsigned int, Symbol> PrimOpCalls_;
PrimOpCalls_ primOpCalls_;
foreach (PrimOpCalls::iterator, i, primOpCalls)
primOpCalls_.insert(std::pair<unsigned int, Symbol>(i->second, i->first));
foreach_reverse (PrimOpCalls_::reverse_iterator, i, primOpCalls_)
for (auto & i : primOpCalls)
primOpCalls_.insert(std::pair<unsigned int, Symbol>(i.second, i.first));
for (auto i = primOpCalls_.rbegin(); i != primOpCalls_.rend(); ++i)
printMsg(v, format("%1$10d %2%") % i->first % i->second);
printMsg(v, format("calls to %1% functions:") % functionCalls.size());
typedef std::multimap<unsigned int, ExprLambda *> FunctionCalls_;
FunctionCalls_ functionCalls_;
foreach (FunctionCalls::iterator, i, functionCalls)
functionCalls_.insert(std::pair<unsigned int, ExprLambda *>(i->second, i->first));
foreach_reverse (FunctionCalls_::reverse_iterator, i, functionCalls_)
for (auto & i : functionCalls)
functionCalls_.insert(std::pair<unsigned int, ExprLambda *>(i.second, i.first));
for (auto i = functionCalls_.rbegin(); i != functionCalls_.rend(); ++i)
printMsg(v, format("%1$10d %2%") % i->first % i->second->showNamePos());
printMsg(v, format("evaluations of %1% attributes:") % attrSelects.size());
typedef std::multimap<unsigned int, Pos> AttrSelects_;
AttrSelects_ attrSelects_;
foreach (AttrSelects::iterator, i, attrSelects)
attrSelects_.insert(std::pair<unsigned int, Pos>(i->second, i->first));
foreach_reverse (AttrSelects_::reverse_iterator, i, attrSelects_)
for (auto & i : attrSelects)
attrSelects_.insert(std::pair<unsigned int, Pos>(i.second, i.first));
for (auto i = attrSelects_.rbegin(); i != attrSelects_.rend(); ++i)
printMsg(v, format("%1$10d %2%") % i->first % i->second);
}

20
src/libexpr/get-drvs.cc
View file

@ -85,8 +85,8 @@ StringSet DrvInfo::queryMetaNames()
{
StringSet res;
if (!getMeta()) return res;
foreach (Bindings::iterator, i, *meta)
res.insert(i->name);
for (auto & i : *meta)
res.insert(i.name);
return res;
}
@ -102,8 +102,8 @@ bool DrvInfo::checkMeta(Value & v)
else if (v.type == tAttrs) {
Bindings::iterator i = v.attrs->find(state->sOutPath);
if (i != v.attrs->end()) return false;
foreach (Bindings::iterator, i, *v.attrs)
if (!checkMeta(*i->value)) return false;
for (auto & i : *v.attrs)
if (!checkMeta(*i.value)) return false;
return true;
}
else return v.type == tInt || v.type == tBool || v.type == tString;
@ -255,13 +255,13 @@ static void getDerivations(EvalState & state, Value & vIn,
precedence). */
typedef std::map<string, Symbol> SortedSymbols;
SortedSymbols attrs;
foreach (Bindings::iterator, i, *v.attrs)
attrs.insert(std::pair<string, Symbol>(i->name, i->name));
for (auto & i : *v.attrs)
attrs.insert(std::pair<string, Symbol>(i.name, i.name));
foreach (SortedSymbols::iterator, i, attrs) {
startNest(nest, lvlDebug, format("evaluating attribute ‘%1%’") % i->first);
string pathPrefix2 = addToPath(pathPrefix, i->first);
Value & v2(*v.attrs->find(i->second)->value);
for (auto & i : attrs) {
startNest(nest, lvlDebug, format("evaluating attribute ‘%1%’") % i.first);
string pathPrefix2 = addToPath(pathPrefix, i.first);
Value & v2(*v.attrs->find(i.second)->value);
if (combineChannels)
getDerivations(state, v2, pathPrefix2, autoArgs, drvs, done, ignoreAssertionFailures);
else if (getDerivation(state, v2, pathPrefix2, drvs, done, ignoreAssertionFailures)) {

4
src/libexpr/names.cc
View file

@ -98,8 +98,8 @@ int compareVersions(const string & v1, const string & v2)
DrvNames drvNamesFromArgs(const Strings & opArgs)
{
DrvNames result;
foreach (Strings::const_iterator, i, opArgs)
result.push_back(DrvName(*i));
for (auto & i : opArgs)
result.push_back(DrvName(i));
return result;
}

92
src/libexpr/nixexpr.cc
View file

@ -97,21 +97,21 @@ void ExprAttrs::show(std::ostream & str)
{
if (recursive) str << "rec ";
str << "{ ";
foreach (AttrDefs::iterator, i, attrs)
if (i->second.inherited)
str << "inherit " << i->first << " " << "; ";
for (auto & i : attrs)
if (i.second.inherited)
str << "inherit " << i.first << " " << "; ";
else
str << i->first << " = " << *i->second.e << "; ";
foreach (DynamicAttrDefs::iterator, i, dynamicAttrs)
str << "\"${" << *i->nameExpr << "}\" = " << *i->valueExpr << "; ";
str << i.first << " = " << *i.second.e << "; ";
for (auto & i : dynamicAttrs)
str << "\"${" << *i.nameExpr << "}\" = " << *i.valueExpr << "; ";
str << "}";
}
void ExprList::show(std::ostream & str)
{
str << "[ ";
foreach (vector<Expr *>::iterator, i, elems)
str << "(" << **i << ") ";
for (auto & i : elems)
str << "(" << *i << ") ";
str << "]";
}
@ -121,10 +121,10 @@ void ExprLambda::show(std::ostream & str)
if (matchAttrs) {
str << "{ ";
bool first = true;
foreach (Formals::Formals_::iterator, i, formals->formals) {
for (auto & i : formals->formals) {
if (first) first = false; else str << ", ";
str << i->name;
if (i->def) str << " ? " << *i->def;
str << i.name;
if (i.def) str << " ? " << *i.def;
}
if (formals->ellipsis) {
if (!first) str << ", ";
@ -140,12 +140,12 @@ void ExprLambda::show(std::ostream & str)
void ExprLet::show(std::ostream & str)
{
str << "(let ";
foreach (ExprAttrs::AttrDefs::iterator, i, attrs->attrs)
if (i->second.inherited) {
str << "inherit " << i->first << "; ";
for (auto & i : attrs->attrs)
if (i.second.inherited) {
str << "inherit " << i.first << "; ";
}
else
str << i->first << " = " << *i->second.e << "; ";
str << i.first << " = " << *i.second.e << "; ";
str << "in " << *body << ")";
}
@ -173,9 +173,9 @@ void ExprConcatStrings::show(std::ostream & str)
{
bool first = true;
str << "(";
foreach (vector<Expr *>::iterator, i, *es) {
for (auto & i : *es) {
if (first) first = false; else str << " + ";
str << **i;
str << *i;
}
str << ")";
}
@ -267,17 +267,17 @@ void ExprSelect::bindVars(const StaticEnv & env)
{
e->bindVars(env);
if (def) def->bindVars(env);
foreach (AttrPath::iterator, i, attrPath)
if (!i->symbol.set())
i->expr->bindVars(env);
for (auto & i : attrPath)
if (!i.symbol.set())
i.expr->bindVars(env);
}
void ExprOpHasAttr::bindVars(const StaticEnv & env)
{
e->bindVars(env);
foreach (AttrPath::iterator, i, attrPath)
if (!i->symbol.set())
i->expr->bindVars(env);
for (auto & i : attrPath)
if (!i.symbol.set())
i.expr->bindVars(env);
}
void ExprAttrs::bindVars(const StaticEnv & env)
@ -289,27 +289,27 @@ void ExprAttrs::bindVars(const StaticEnv & env)
dynamicEnv = &newEnv;
unsigned int displ = 0;
foreach (AttrDefs::iterator, i, attrs)
newEnv.vars[i->first] = i->second.displ = displ++;
for (auto & i : attrs)
newEnv.vars[i.first] = i.second.displ = displ++;
foreach (AttrDefs::iterator, i, attrs)
i->second.e->bindVars(i->second.inherited ? env : newEnv);
for (auto & i : attrs)
i.second.e->bindVars(i.second.inherited ? env : newEnv);
}
else
foreach (AttrDefs::iterator, i, attrs)
i->second.e->bindVars(env);
for (auto & i : attrs)
i.second.e->bindVars(env);
foreach (DynamicAttrDefs::iterator, i, dynamicAttrs) {
i->nameExpr->bindVars(*dynamicEnv);
i->valueExpr->bindVars(*dynamicEnv);
for (auto & i : dynamicAttrs) {
i.nameExpr->bindVars(*dynamicEnv);
i.valueExpr->bindVars(*dynamicEnv);
}
}
void ExprList::bindVars(const StaticEnv & env)
{
foreach (vector<Expr *>::iterator, i, elems)
(*i)->bindVars(env);
for (auto & i : elems)
i->bindVars(env);
}
void ExprLambda::bindVars(const StaticEnv & env)
@ -321,11 +321,11 @@ void ExprLambda::bindVars(const StaticEnv & env)
if (!arg.empty()) newEnv.vars[arg] = displ++;
if (matchAttrs) {
foreach (Formals::Formals_::iterator, i, formals->formals)
newEnv.vars[i->name] = displ++;
for (auto & i : formals->formals)
newEnv.vars[i.name] = displ++;
foreach (Formals::Formals_::iterator, i, formals->formals)
if (i->def) i->def->bindVars(newEnv);
for (auto & i : formals->formals)
if (i.def) i.def->bindVars(newEnv);
}
body->bindVars(newEnv);
@ -336,11 +336,11 @@ void ExprLet::bindVars(const StaticEnv & env)
StaticEnv newEnv(false, &env);
unsigned int displ = 0;
foreach (ExprAttrs::AttrDefs::iterator, i, attrs->attrs)
newEnv.vars[i->first] = i->second.displ = displ++;
for (auto & i : attrs->attrs)
newEnv.vars[i.first] = i.second.displ = displ++;
foreach (ExprAttrs::AttrDefs::iterator, i, attrs->attrs)
i->second.e->bindVars(i->second.inherited ? env : newEnv);
for (auto & i : attrs->attrs)
i.second.e->bindVars(i.second.inherited ? env : newEnv);
body->bindVars(newEnv);
}
@ -384,8 +384,8 @@ void ExprOpNot::bindVars(const StaticEnv & env)
void ExprConcatStrings::bindVars(const StaticEnv & env)
{
foreach (vector<Expr *>::iterator, i, *es)
(*i)->bindVars(env);
for (auto & i : *es)
i->bindVars(env);
}
void ExprPos::bindVars(const StaticEnv & env)
@ -419,8 +419,8 @@ string ExprLambda::showNamePos() const
size_t SymbolTable::totalSize() const
{
size_t n = 0;
foreach (Symbols::const_iterator, i, symbols)
n += i->size();
for (auto & i : symbols)
n += i.size();
return n;
}

20
src/libexpr/parser.y
View file

@ -136,8 +136,8 @@ static Expr * stripIndentation(const Pos & pos, SymbolTable & symbols, vector<Ex
bool atStartOfLine = true; /* = seen only whitespace in the current line */
unsigned int minIndent = 1000000;
unsigned int curIndent = 0;
foreach (vector<Expr *>::iterator, i, es) {
ExprIndStr * e = dynamic_cast<ExprIndStr *>(*i);
for (auto & i : es) {
ExprIndStr * e = dynamic_cast<ExprIndStr *>(i);
if (!e) {
/* Anti-quotations end the current start-of-line whitespace. */
if (atStartOfLine) {
@ -419,20 +419,20 @@ binds
: binds attrpath '=' expr ';' { $$ = $1; addAttr($$, *$2, $4, makeCurPos(@2, data)); }
| binds INHERIT attrs ';'
{ $$ = $1;
foreach (AttrPath::iterator, i, *$3) {
if ($$->attrs.find(i->symbol) != $$->attrs.end())
dupAttr(i->symbol, makeCurPos(@3, data), $$->attrs[i->symbol].pos);
for (auto & i : *$3) {
if ($$->attrs.find(i.symbol) != $$->attrs.end())
dupAttr(i.symbol, makeCurPos(@3, data), $$->attrs[i.symbol].pos);
Pos pos = makeCurPos(@3, data);
$$->attrs[i->symbol] = ExprAttrs::AttrDef(new ExprVar(CUR_POS, i->symbol), pos, true);
$$->attrs[i.symbol] = ExprAttrs::AttrDef(new ExprVar(CUR_POS, i.symbol), pos, true);
}
}
| binds INHERIT '(' expr ')' attrs ';'
{ $$ = $1;
/* !!! Should ensure sharing of the expression in $4. */
foreach (AttrPath::iterator, i, *$6) {
if ($$->attrs.find(i->symbol) != $$->attrs.end())
dupAttr(i->symbol, makeCurPos(@6, data), $$->attrs[i->symbol].pos);
$$->attrs[i->symbol] = ExprAttrs::AttrDef(new ExprSelect(CUR_POS, $4, i->symbol), makeCurPos(@6, data));
for (auto & i : *$6) {
if ($$->attrs.find(i.symbol) != $$->attrs.end())
dupAttr(i.symbol, makeCurPos(@6, data), $$->attrs[i.symbol].pos);
$$->attrs[i.symbol] = ExprAttrs::AttrDef(new ExprSelect(CUR_POS, $4, i.symbol), makeCurPos(@6, data));
}
}
| { $$ = new ExprAttrs; }

95
src/libexpr/primops.cc
View file

@ -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);
}

26
src/libexpr/value-to-json.cc
View file

@ -12,14 +12,14 @@ namespace nix {
void escapeJSON(std::ostream & str, const string & s)
{
str << "\"";
foreach (string::const_iterator, i, s)
if (*i == '\"' || *i == '\\') str << "\\" << *i;
else if (*i == '\n') str << "\\n";
else if (*i == '\r') str << "\\r";
else if (*i == '\t') str << "\\t";
else if (*i >= 0 && *i < 32)
str << "\\u" << std::setfill('0') << std::setw(4) << std::hex << (uint16_t) *i << std::dec;
else str << *i;
for (auto & i : s)
if (i == '\"' || i == '\\') str << "\\" << i;
else if (i == '\n') str << "\\n";
else if (i == '\r') str << "\\r";
else if (i == '\t') str << "\\t";
else if (i >= 0 && i < 32)
str << "\\u" << std::setfill('0') << std::setw(4) << std::hex << (uint16_t) i << std::dec;
else str << i;
str << "\"";
}
@ -59,11 +59,11 @@ void printValueAsJSON(EvalState & state, bool strict,
if (i == v.attrs->end()) {
JSONObject json(str);
StringSet names;
foreach (Bindings::iterator, i, *v.attrs)
names.insert(i->name);
foreach (StringSet::iterator, i, names) {
Attr & a(*v.attrs->find(state.symbols.create(*i)));
json.attr(*i);
for (auto & j : *v.attrs)
names.insert(j.name);
for (auto & j : names) {
Attr & a(*v.attrs->find(state.symbols.create(j)));
json.attr(j);
printValueAsJSON(state, strict, *a.value, str, context);
}
} else

14
src/libexpr/value-to-xml.cc
View file

@ -34,14 +34,14 @@ static void showAttrs(EvalState & state, bool strict, bool location,
{
StringSet names;
foreach (Bindings::iterator, i, attrs)
names.insert(i->name);
for (auto & i : attrs)
names.insert(i.name);
foreach (StringSet::iterator, i, names) {
Attr & a(*attrs.find(state.symbols.create(*i)));
for (auto & i : names) {
Attr & a(*attrs.find(state.symbols.create(i)));
XMLAttrs xmlAttrs;
xmlAttrs["name"] = *i;
xmlAttrs["name"] = i;
if (location && a.pos != &noPos) posToXML(xmlAttrs, *a.pos);
XMLOpenElement _(doc, "attr", xmlAttrs);
@ -136,8 +136,8 @@ static void printValueAsXML(EvalState & state, bool strict, bool location,
if (!v.lambda.fun->arg.empty()) attrs["name"] = v.lambda.fun->arg;
if (v.lambda.fun->formals->ellipsis) attrs["ellipsis"] = "1";
XMLOpenElement _(doc, "attrspat", attrs);
foreach (Formals::Formals_::iterator, i, v.lambda.fun->formals->formals)
doc.writeEmptyElement("attr", singletonAttrs("name", i->name));
for (auto & i : v.lambda.fun->formals->formals)
doc.writeEmptyElement("attr", singletonAttrs("name", i.name));
} else
doc.writeEmptyElement("varpat", singletonAttrs("name", v.lambda.fun->arg));

204
src/libstore/build.cc
View file

@ -331,8 +331,8 @@ void addToWeakGoals(WeakGoals & goals, GoalPtr p)
{
// FIXME: necessary?
// FIXME: O(n)
foreach (WeakGoals::iterator, i, goals)
if (i->lock() == p) return;
for (auto & i : goals)
if (i.lock() == p) return;
goals.push_back(p);
}
@ -362,11 +362,10 @@ void Goal::waiteeDone(GoalPtr waitee, ExitCode result)
/* If we failed and keepGoing is not set, we remove all
remaining waitees. */
foreach (Goals::iterator, i, waitees) {
GoalPtr goal = *i;
for (auto & goal : waitees) {
WeakGoals waiters2;
foreach (WeakGoals::iterator, j, goal->waiters)
if (j->lock() != shared_from_this()) waiters2.push_back(*j);
for (auto & j : goal->waiters)
if (j.lock() != shared_from_this()) waiters2.push_back(j);
goal->waiters = waiters2;
}
waitees.clear();
@ -382,8 +381,8 @@ void Goal::amDone(ExitCode result)
assert(exitCode == ecBusy);
assert(result == ecSuccess || result == ecFailed || result == ecNoSubstituters || result == ecIncompleteClosure);
exitCode = result;
foreach (WeakGoals::iterator, i, waiters) {
GoalPtr goal = i->lock();
for (auto & i : waiters) {
GoalPtr goal = i.lock();
if (goal) goal->waiteeDone(shared_from_this(), result);
}
waiters.clear();
@ -509,13 +508,13 @@ void UserLock::acquire()
/* Find a user account that isn't currently in use for another
build. */
foreach (Strings::iterator, i, users) {
debug(format("trying user ‘%1%’") % *i);
for (auto & i : users) {
debug(format("trying user ‘%1%’") % i);
struct passwd * pw = getpwnam(i->c_str());
struct passwd * pw = getpwnam(i.c_str());
if (!pw)
throw Error(format("the user ‘%1%’ in the group ‘%2%’ does not exist")
% *i % settings.buildUsersGroup);
% i % settings.buildUsersGroup);
createDirs(settings.nixStateDir + "/userpool");
@ -533,7 +532,7 @@ void UserLock::acquire()
if (lockFile(fd, ltWrite, false)) {
fdUserLock = fd.borrow();
lockedPaths.insert(fnUserLock);
user = *i;
user = i;
uid = pw->pw_uid;
/* Sanity check... */
@ -669,12 +668,12 @@ typedef map<string, string> HashRewrites;
string rewriteHashes(string s, const HashRewrites & rewrites)
{
foreach (HashRewrites::const_iterator, i, rewrites) {
assert(i->first.size() == i->second.size());
for (auto & i : rewrites) {
assert(i.first.size() == i.second.size());
size_t j = 0;
while ((j = s.find(i->first, j)) != string::npos) {
while ((j = s.find(i.first, j)) != string::npos) {
debug(format("rewriting @ %1%") % j);
s.replace(j, i->second.size(), i->second);
s.replace(j, i.second.size(), i.second);
}
}
return s;
@ -962,9 +961,9 @@ void DerivationGoal::addWantedOutputs(const StringSet & outputs)
wantedOutputs.clear();
needRestart = true;
} else
foreach (StringSet::const_iterator, i, outputs)
if (wantedOutputs.find(*i) == wantedOutputs.end()) {
wantedOutputs.insert(*i);
for (auto & i : outputs)
if (wantedOutputs.find(i) == wantedOutputs.end()) {
wantedOutputs.insert(i);
needRestart = true;
}
}
@ -1307,7 +1306,7 @@ void DerivationGoal::tryToBuild()
missingPaths = outputPaths(*drv);
if (buildMode != bmCheck)
foreach (PathSet::iterator, i, validPaths) missingPaths.erase(*i);
for (auto & i : validPaths) missingPaths.erase(i);
/* If any of the outputs already exist but are not valid, delete
them. */
@ -1469,9 +1468,9 @@ void DerivationGoal::buildDone()
/* Move paths out of the chroot for easier debugging of
build failures. */
if (useChroot && buildMode == bmNormal)
foreach (PathSet::iterator, i, missingPaths)
if (pathExists(chrootRootDir + *i))
rename((chrootRootDir + *i).c_str(), i->c_str());
for (auto & i : missingPaths)
if (pathExists(chrootRootDir + i))
rename((chrootRootDir + i).c_str(), i.c_str());
if (diskFull)
printMsg(lvlError, "note: build failure may have been caused by lack of free disk space");
@ -1490,8 +1489,8 @@ void DerivationGoal::buildDone()
}
/* Delete unused redirected outputs (when doing hash rewriting). */
foreach (RedirectedOutputs::iterator, i, redirectedOutputs)
if (pathExists(i->second)) deletePath(i->second);
for (auto & i : redirectedOutputs)
if (pathExists(i.second)) deletePath(i.second);
/* Delete the chroot (if we were using one). */
autoDelChroot.reset(); /* this runs the destructor */
@ -1566,7 +1565,7 @@ HookReply DerivationGoal::tryBuildHook()
required from the build machine. (The hook could parse the
drv file itself, but this is easier.) */
Strings features = tokenizeString<Strings>(get(drv->env, "requiredSystemFeatures"));
foreach (Strings::iterator, i, features) checkStoreName(*i); /* !!! abuse */
for (auto & i : features) checkStoreName(i); /* !!! abuse */
/* Send the request to the hook. */
writeLine(worker.hook->toHook.writeSide, (format("%1% %2% %3% %4%")
@ -1608,13 +1607,13 @@ HookReply DerivationGoal::tryBuildHook()
computeFSClosure(worker.store, drvPath, allInputs);
string s;
foreach (PathSet::iterator, i, allInputs) { s += *i; s += ' '; }
for (auto & i : allInputs) { s += i; s += ' '; }
writeLine(hook->toHook.writeSide, s);
/* Tell the hooks the missing outputs that have to be copied back
from the remote system. */
s = "";
foreach (PathSet::iterator, i, missingPaths) { s += *i; s += ' '; }
for (auto & i : missingPaths) { s += i; s += ' '; }
writeLine(hook->toHook.writeSide, s);
hook->toHook.writeSide.close();
@ -1742,7 +1741,7 @@ void DerivationGoal::startBuilder()
already know the cryptographic hash of the output). */
if (fixedOutput) {
Strings varNames = tokenizeString<Strings>(get(drv->env, "impureEnvVars"));
foreach (Strings::iterator, i, varNames) env[*i] = getEnv(*i);
for (auto & i : varNames) env[i] = getEnv(i);
}
/* The `exportReferencesGraph' feature allows the references graph
@ -1778,9 +1777,9 @@ void DerivationGoal::startBuilder()
computeFSClosure(worker.store, storePath, paths);
paths2 = paths;
foreach (PathSet::iterator, j, paths2) {
if (isDerivation(*j)) {
Derivation drv = derivationFromPath(worker.store, *j);
for (auto & j : paths2) {
if (isDerivation(j)) {
Derivation drv = derivationFromPath(worker.store, j);
for (auto & k : drv.outputs)
computeFSClosure(worker.store, k.second.path, paths);
}
@ -1951,28 +1950,28 @@ void DerivationGoal::startBuilder()
if (chown(chrootStoreDir.c_str(), 0, buildUser.getGID()) == -1)
throw SysError(format("cannot change ownership of ‘%1%’") % chrootStoreDir);
foreach (PathSet::iterator, i, inputPaths) {
for (auto & i : inputPaths) {
struct stat st;
if (lstat(i->c_str(), &st))
throw SysError(format("getting attributes of path ‘%1%’") % *i);
if (lstat(i.c_str(), &st))
throw SysError(format("getting attributes of path ‘%1%’") % i);
if (S_ISDIR(st.st_mode))
dirsInChroot[*i] = *i;
dirsInChroot[i] = i;
else {
Path p = chrootRootDir + *i;
if (link(i->c_str(), p.c_str()) == -1) {
Path p = chrootRootDir + i;
if (link(i.c_str(), p.c_str()) == -1) {
/* Hard-linking fails if we exceed the maximum
link count on a file (e.g. 32000 of ext3),
which is quite possible after a `nix-store
--optimise'. */
if (errno != EMLINK)
throw SysError(format("linking ‘%1%’ to ‘%2%’") % p % *i);
throw SysError(format("linking ‘%1%’ to ‘%2%’") % p % i);
StringSink sink;
dumpPath(*i, sink);
dumpPath(i, sink);
StringSource source(sink.s);
restorePath(p, source);
}
regularInputPaths.insert(*i);
regularInputPaths.insert(i);
}
}
@ -2007,16 +2006,16 @@ void DerivationGoal::startBuilder()
contents of the new outputs to replace the dummy strings
with the actual hashes. */
if (validPaths.size() > 0)
foreach (PathSet::iterator, i, validPaths)
addHashRewrite(*i);
for (auto & i : validPaths)
addHashRewrite(i);
/* If we're repairing, then we don't want to delete the
corrupt outputs in advance. So rewrite them as well. */
if (buildMode == bmRepair)
foreach (PathSet::iterator, i, missingPaths)
if (worker.store.isValidPath(*i) && pathExists(*i)) {
addHashRewrite(*i);
redirectedBadOutputs.insert(*i);
for (auto & i : missingPaths)
if (worker.store.isValidPath(i) && pathExists(i)) {
addHashRewrite(i);
redirectedBadOutputs.insert(i);
}
}
@ -2190,8 +2189,8 @@ void DerivationGoal::runChild()
local to the namespace, though, so setting MS_PRIVATE
does not affect the outside world. */
Strings mounts = tokenizeString<Strings>(readFile("/proc/self/mountinfo", true), "\n");
foreach (Strings::iterator, i, mounts) {
vector<string> fields = tokenizeString<vector<string> >(*i, " ");
for (auto & i : mounts) {
vector<string> fields = tokenizeString<vector<string> >(i, " ");
string fs = decodeOctalEscaped(fields.at(4));
if (mount(0, fs.c_str(), 0, MS_PRIVATE, 0) == -1)
throw SysError(format("unable to make filesystem ‘%1%’ private") % fs);
@ -2239,10 +2238,10 @@ void DerivationGoal::runChild()
/* Bind-mount all the directories from the "host"
filesystem that we want in the chroot
environment. */
foreach (DirsInChroot::iterator, i, dirsInChroot) {
for (auto & i : dirsInChroot) {
struct stat st;
Path source = i->second;
Path target = chrootRootDir + i->first;
Path source = i.second;
Path target = chrootRootDir + i.first;
if (source == "/proc") continue; // backwards compatibility
debug(format("bind mounting ‘%1%’ to ‘%2%’") % source % target);
if (stat(source.c_str(), &st) == -1)
@ -2340,8 +2339,8 @@ void DerivationGoal::runChild()
/* Fill in the environment. */
Strings envStrs;
foreach (Environment::const_iterator, i, env)
envStrs.push_back(rewriteHashes(i->first + "=" + i->second, rewritesToTmp));
for (auto & i : env)
envStrs.push_back(rewriteHashes(i.first + "=" + i.second, rewritesToTmp));
/* If we are running in `build-users' mode, then switch to the
user we allocated above. Make sure that we drop all root
@ -2522,14 +2521,13 @@ PathSet parseReferenceSpecifiers(const BasicDerivation & drv, string attr)
{
PathSet result;
Paths paths = tokenizeString<Paths>(attr);
foreach (Strings::iterator, i, paths) {
if (isStorePath(*i))
result.insert(*i);
else if (drv.outputs.find(*i) != drv.outputs.end())
result.insert(drv.outputs.find(*i)->second.path);
for (auto & i : paths) {
if (isStorePath(i))
result.insert(i);
else if (drv.outputs.find(i) != drv.outputs.end())
result.insert(drv.outputs.find(i)->second.path);
else throw BuildError(
format("derivation contains an illegal reference specifier ‘%1%’")
% *i);
format("derivation contains an illegal reference specifier ‘%1%’") % i);
}
return result;
}
@ -2666,12 +2664,12 @@ void DerivationGoal::registerOutputs()
/* For debugging, print out the referenced and unreferenced
paths. */
foreach (PathSet::iterator, i, inputPaths) {
PathSet::iterator j = references.find(*i);
for (auto & i : inputPaths) {
PathSet::iterator j = references.find(i);
if (j == references.end())
debug(format("unreferenced input: ‘%1%’") % *i);
debug(format("unreferenced input: ‘%1%’") % i);
else
debug(format("referenced input: ‘%1%’") % *i);
debug(format("referenced input: ‘%1%’") % i);
}
/* Enforce `allowedReferences' and friends. */
@ -3044,9 +3042,9 @@ void SubstitutionGoal::tryNext()
/* To maintain the closure invariant, we first have to realise the
paths referenced by this one. */
foreach (PathSet::iterator, i, info.references)
if (*i != storePath) /* ignore self-references */
addWaitee(worker.makeSubstitutionGoal(*i));
for (auto & i : info.references)
if (i != storePath) /* ignore self-references */
addWaitee(worker.makeSubstitutionGoal(i));
if (waitees.empty()) /* to prevent hang (no wake-up event) */
referencesValid();
@ -3065,9 +3063,9 @@ void SubstitutionGoal::referencesValid()
return;
}
foreach (PathSet::iterator, i, info.references)
if (*i != storePath) /* ignore self-references */
assert(worker.store.isValidPath(*i));
for (auto & i : info.references)
if (i != storePath) /* ignore self-references */
assert(worker.store.isValidPath(i));
state = &SubstitutionGoal::tryToRun;
worker.wakeUp(shared_from_this());
@ -3359,8 +3357,8 @@ void Worker::removeGoal(GoalPtr goal)
}
/* Wake up goals waiting for any goal to finish. */
foreach (WeakGoals::iterator, i, waitingForAnyGoal) {
GoalPtr goal = i->lock();
for (auto & i : waitingForAnyGoal) {
GoalPtr goal = i.lock();
if (goal) wakeUp(goal);
}
@ -3413,8 +3411,8 @@ void Worker::childTerminated(pid_t pid, bool wakeSleepers)
if (wakeSleepers) {
/* Wake up goals waiting for a build slot. */
foreach (WeakGoals::iterator, i, wantingToBuild) {
GoalPtr goal = i->lock();
for (auto & i : wantingToBuild) {
GoalPtr goal = i.lock();
if (goal) wakeUp(goal);
}
@ -3449,7 +3447,7 @@ void Worker::waitForAWhile(GoalPtr goal)
void Worker::run(const Goals & _topGoals)
{
foreach (Goals::iterator, i, _topGoals) topGoals.insert(*i);
for (auto & i : _topGoals) topGoals.insert(i);
startNest(nest, lvlDebug, format("entered goal loop"));
@ -3515,12 +3513,12 @@ void Worker::waitForInput()
deadline for any child. */
assert(sizeof(time_t) >= sizeof(long));
time_t nearest = LONG_MAX; // nearest deadline
foreach (Children::iterator, i, children) {
if (!i->second.respectTimeouts) continue;
for (auto & i : children) {
if (!i.second.respectTimeouts) continue;
if (settings.maxSilentTime != 0)
nearest = std::min(nearest, i->second.lastOutput + settings.maxSilentTime);
nearest = std::min(nearest, i.second.lastOutput + settings.maxSilentTime);
if (settings.buildTimeout != 0)
nearest = std::min(nearest, i->second.timeStarted + settings.buildTimeout);
nearest = std::min(nearest, i.second.timeStarted + settings.buildTimeout);
}
if (nearest != LONG_MAX) {
timeout.tv_sec = std::max((time_t) 1, nearest - before);
@ -3545,10 +3543,10 @@ void Worker::waitForInput()
fd_set fds;
FD_ZERO(&fds);
int fdMax = 0;
foreach (Children::iterator, i, children) {
foreach (set<int>::iterator, j, i->second.fds) {
FD_SET(*j, &fds);
if (*j >= fdMax) fdMax = *j + 1;
for (auto & i : children) {
for (auto & j : i.second.fds) {
FD_SET(j, &fds);
if (j >= fdMax) fdMax = j + 1;
}
}
@ -3566,34 +3564,34 @@ void Worker::waitForInput()
careful that we don't keep iterators alive across calls to
cancel(). */
set<pid_t> pids;
foreach (Children::iterator, i, children) pids.insert(i->first);
for (auto & i : children) pids.insert(i.first);
foreach (set<pid_t>::iterator, i, pids) {
for (auto & i : pids) {
checkInterrupt();
Children::iterator j = children.find(*i);
Children::iterator j = children.find(i);
if (j == children.end()) continue; // child destroyed
GoalPtr goal = j->second.goal.lock();
assert(goal);
set<int> fds2(j->second.fds);
foreach (set<int>::iterator, k, fds2) {
if (FD_ISSET(*k, &fds)) {
for (auto & k : fds2) {
if (FD_ISSET(k, &fds)) {
unsigned char buffer[4096];
ssize_t rd = read(*k, buffer, sizeof(buffer));
ssize_t rd = read(k, buffer, sizeof(buffer));
if (rd == -1) {
if (errno != EINTR)
throw SysError(format("reading from %1%")
% goal->getName());
} else if (rd == 0) {
debug(format("%1%: got EOF") % goal->getName());
goal->handleEOF(*k);
j->second.fds.erase(*k);
goal->handleEOF(k);
j->second.fds.erase(k);
} else {
printMsg(lvlVomit, format("%1%: read %2% bytes")
% goal->getName() % rd);
string data((char *) buffer, rd);
j->second.lastOutput = after;
goal->handleChildOutput(*k, data);
goal->handleChildOutput(k, data);
}
}
}
@ -3625,8 +3623,8 @@ void Worker::waitForInput()
if (!waitingForAWhile.empty() && lastWokenUp + settings.pollInterval <= after) {
lastWokenUp = after;
foreach (WeakGoals::iterator, i, waitingForAWhile) {
GoalPtr goal = i->lock();
for (auto & i : waitingForAWhile) {
GoalPtr goal = i.lock();
if (goal) wakeUp(goal);
}
waitingForAWhile.clear();
@ -3650,22 +3648,22 @@ void LocalStore::buildPaths(const PathSet & drvPaths, BuildMode buildMode)
Worker worker(*this);
Goals goals;
foreach (PathSet::const_iterator, i, drvPaths) {
DrvPathWithOutputs i2 = parseDrvPathWithOutputs(*i);
for (auto & i : drvPaths) {
DrvPathWithOutputs i2 = parseDrvPathWithOutputs(i);
if (isDerivation(i2.first))
goals.insert(worker.makeDerivationGoal(i2.first, i2.second, buildMode));
else
goals.insert(worker.makeSubstitutionGoal(*i, buildMode));
goals.insert(worker.makeSubstitutionGoal(i, buildMode));
}
worker.run(goals);
PathSet failed;
foreach (Goals::iterator, i, goals)
if ((*i)->getExitCode() == Goal::ecFailed) {
DerivationGoal * i2 = dynamic_cast<DerivationGoal *>(i->get());
for (auto & i : goals)
if (i->getExitCode() == Goal::ecFailed) {
DerivationGoal * i2 = dynamic_cast<DerivationGoal *>(i.get());
if (i2) failed.insert(i2->getDrvPath());
else failed.insert(dynamic_cast<SubstitutionGoal *>(i->get())->getStorePath());
else failed.insert(dynamic_cast<SubstitutionGoal *>(i.get())->getStorePath());
}
if (!failed.empty())

38
src/libstore/derivations.cc
View file

@ -32,8 +32,8 @@ Path writeDerivation(StoreAPI & store,
{
PathSet references;
references.insert(drv.inputSrcs.begin(), drv.inputSrcs.end());
foreach (DerivationInputs::const_iterator, i, drv.inputDrvs)
references.insert(i->first);
for (auto & i : drv.inputDrvs)
references.insert(i.first);
/* Note that the outputs of a derivation are *not* references
(that can be missing (of course) and should not necessarily be
held during a garbage collection). */
@ -156,21 +156,21 @@ string unparseDerivation(const Derivation & drv)
s += "Derive([";
bool first = true;
foreach (DerivationOutputs::const_iterator, i, drv.outputs) {
for (auto & i : drv.outputs) {
if (first) first = false; else s += ',';
s += '('; printString(s, i->first);
s += ','; printString(s, i->second.path);
s += ','; printString(s, i->second.hashAlgo);
s += ','; printString(s, i->second.hash);
s += '('; printString(s, i.first);
s += ','; printString(s, i.second.path);
s += ','; printString(s, i.second.hashAlgo);
s += ','; printString(s, i.second.hash);
s += ')';
}
s += "],[";
first = true;
foreach (DerivationInputs::const_iterator, i, drv.inputDrvs) {
for (auto & i : drv.inputDrvs) {
if (first) first = false; else s += ',';
s += '('; printString(s, i->first);
s += ','; printStrings(s, i->second.begin(), i->second.end());
s += '('; printString(s, i.first);
s += ','; printStrings(s, i.second.begin(), i.second.end());
s += ')';
}
@ -183,10 +183,10 @@ string unparseDerivation(const Derivation & drv)
s += ",[";
first = true;
foreach (StringPairs::const_iterator, i, drv.env) {
for (auto & i : drv.env) {
if (first) first = false; else s += ',';
s += '('; printString(s, i->first);
s += ','; printString(s, i->second);
s += '('; printString(s, i.first);
s += ','; printString(s, i.second);
s += ')';
}
@ -247,15 +247,15 @@ Hash hashDerivationModulo(StoreAPI & store, Derivation drv)
/* For other derivations, replace the inputs paths with recursive
calls to this function.*/
DerivationInputs inputs2;
foreach (DerivationInputs::const_iterator, i, drv.inputDrvs) {
Hash h = drvHashes[i->first];
for (auto & i : drv.inputDrvs) {
Hash h = drvHashes[i.first];
if (h.type == htUnknown) {
assert(store.isValidPath(i->first));
Derivation drv2 = readDerivation(i->first);
assert(store.isValidPath(i.first));
Derivation drv2 = readDerivation(i.first);
h = hashDerivationModulo(store, drv2);
drvHashes[i->first] = h;
drvHashes[i.first] = h;
}
inputs2[printHash(h)] = i->second;
inputs2[printHash(h)] = i.second;
}
drv.inputDrvs = inputs2;

43
src/libstore/gc.cc
View file

@ -350,15 +350,14 @@ static void addAdditionalRoots(StoreAPI & store, PathSet & roots)
StringSet paths = tokenizeString<StringSet>(result, "\n");
foreach (StringSet::iterator, i, paths) {
if (isInStore(*i)) {
Path path = toStorePath(*i);
for (auto & i : paths)
if (isInStore(i)) {
Path path = toStorePath(i);
if (roots.find(path) == roots.end() && store.isValidPath(path)) {
debug(format("got additional root ‘%1%’") % path);
roots.insert(path);
}
}
}
}
@ -408,8 +407,8 @@ void LocalStore::deletePathRecursive(GCState & state, const Path & path)
if (isValidPath(path)) {
PathSet referrers;
queryReferrers(path, referrers);
foreach (PathSet::iterator, i, referrers)
if (*i != path) deletePathRecursive(state, *i);
for (auto & i : referrers)
if (i != path) deletePathRecursive(state, i);
size = queryPathInfo(path).narSize;
invalidatePathChecked(path);
}
@ -487,22 +486,22 @@ bool LocalStore::canReachRoot(GCState & state, PathSet & visited, const Path & p
don't delete the derivation if any of the outputs are alive. */
if (state.gcKeepDerivations && isDerivation(path)) {
PathSet outputs = queryDerivationOutputs(path);
foreach (PathSet::iterator, i, outputs)
if (isValidPath(*i) && queryDeriver(*i) == path)
incoming.insert(*i);
for (auto & i : outputs)
if (isValidPath(i) && queryDeriver(i) == path)
incoming.insert(i);
}
/* If gc-keep-outputs is set, then don't delete this path if there
are derivers of this path that are not garbage. */
if (state.gcKeepOutputs) {
PathSet derivers = queryValidDerivers(path);
foreach (PathSet::iterator, i, derivers)
incoming.insert(*i);
for (auto & i : derivers)
incoming.insert(i);
}
foreach (PathSet::iterator, i, incoming)
if (*i != path)
if (canReachRoot(state, visited, *i)) {
for (auto & i : incoming)
if (i != path)
if (canReachRoot(state, visited, i)) {
state.alive.insert(path);
return true;
}
@ -622,7 +621,7 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
printMsg(lvlError, format("finding garbage collector roots..."));
Roots rootMap = options.ignoreLiveness ? Roots() : findRoots();
foreach (Roots::iterator, i, rootMap) state.roots.insert(i->second);
for (auto & i : rootMap) state.roots.insert(i.second);
/* Add additional roots returned by the program specified by the
NIX_ROOT_FINDER environment variable. This is typically used
@ -659,11 +658,11 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
if (options.action == GCOptions::gcDeleteSpecific) {
foreach (PathSet::iterator, i, options.pathsToDelete) {
assertStorePath(*i);
tryToDelete(state, *i);
if (state.dead.find(*i) == state.dead.end())
throw Error(format("cannot delete path ‘%1%’ since it is still alive") % *i);
for (auto & i : options.pathsToDelete) {
assertStorePath(i);
tryToDelete(state, i);
if (state.dead.find(i) == state.dead.end())
throw Error(format("cannot delete path ‘%1%’ since it is still alive") % i);
}
} else if (options.maxFreed > 0) {
@ -707,8 +706,8 @@ void LocalStore::collectGarbage(const GCOptions & options, GCResults & results)
vector<Path> entries_(entries.begin(), entries.end());
random_shuffle(entries_.begin(), entries_.end());
foreach (vector<Path>::iterator, i, entries_)
tryToDelete(state, *i);
for (auto & i : entries_)
tryToDelete(state, i);
} catch (GCLimitReached & e) {
}

16
src/libstore/globals.cc
View file

@ -248,12 +248,12 @@ template<class N> void Settings::_get(N & res, const string & name)
string Settings::pack()
{
string s;
foreach (SettingsMap::iterator, i, settings) {
if (i->first.find('\n') != string::npos ||
i->first.find('=') != string::npos ||
i->second.find('\n') != string::npos)
for (auto & i : settings) {
if (i.first.find('\n') != string::npos ||
i.first.find('=') != string::npos ||
i.second.find('\n') != string::npos)
throw Error("illegal option name/value");
s += i->first; s += '='; s += i->second; s += '\n';
s += i.first; s += '='; s += i.second; s += '\n';
}
return s;
}
@ -261,11 +261,11 @@ string Settings::pack()
void Settings::unpack(const string & pack) {
Strings lines = tokenizeString<Strings>(pack, "\n");
foreach (Strings::iterator, i, lines) {
string::size_type eq = i->find('=');
for (auto & i : lines) {
string::size_type eq = i.find('=');
if (eq == string::npos)
throw Error("illegal option name/value");
set(i->substr(0, eq), i->substr(eq + 1));
set(i.substr(0, eq), i.substr(eq + 1));
}
}

146
src/libstore/local-store.cc
View file

@ -367,13 +367,13 @@ LocalStore::LocalStore(bool reserveSpace)
LocalStore::~LocalStore()
{
try {
foreach (RunningSubstituters::iterator, i, runningSubstituters) {
if (i->second.disabled) continue;
i->second.to.close();
i->second.from.close();
i->second.error.close();
if (i->second.pid != -1)
i->second.pid.wait(true);
for (auto & i : runningSubstituters) {
if (i.second.disabled) continue;
i.second.to.close();
i.second.from.close();
i.second.error.close();
if (i.second.pid != -1)
i.second.pid.wait(true);
}
} catch (...) {
ignoreException();
@ -671,19 +671,19 @@ void LocalStore::checkDerivationOutputs(const Path & drvPath, const Derivation &
else {
Derivation drvCopy(drv);
foreach (DerivationOutputs::iterator, i, drvCopy.outputs) {
i->second.path = "";
drvCopy.env[i->first] = "";
for (auto & i : drvCopy.outputs) {
i.second.path = "";
drvCopy.env[i.first] = "";
}
Hash h = hashDerivationModulo(*this, drvCopy);
foreach (DerivationOutputs::const_iterator, i, drv.outputs) {
Path outPath = makeOutputPath(i->first, h, drvName);
StringPairs::const_iterator j = drv.env.find(i->first);
if (i->second.path != outPath || j == drv.env.end() || j->second != outPath)
for (auto & i : drv.outputs) {
Path outPath = makeOutputPath(i.first, h, drvName);
StringPairs::const_iterator j = drv.env.find(i.first);
if (i.second.path != outPath || j == drv.env.end() || j->second != outPath)
throw Error(format("derivation ‘%1%’ has incorrect output ‘%2%’, should be ‘%3%’")
% drvPath % i->second.path % outPath);
% drvPath % i.second.path % outPath);
}
}
}
@ -721,11 +721,11 @@ unsigned long long LocalStore::addValidPath(const ValidPathInfo & info, bool che
registration above is undone. */
if (checkOutputs) checkDerivationOutputs(info.path, drv);
foreach (DerivationOutputs::iterator, i, drv.outputs) {
for (auto & i : drv.outputs) {
SQLiteStmtUse use(stmtAddDerivationOutput);
stmtAddDerivationOutput.bind(id);
stmtAddDerivationOutput.bind(i->first);
stmtAddDerivationOutput.bind(i->second.path);
stmtAddDerivationOutput.bind(i.first);
stmtAddDerivationOutput.bind(i.second.path);
if (sqlite3_step(stmtAddDerivationOutput) != SQLITE_DONE)
throwSQLiteError(db, format("adding derivation output for ‘%1%’ in database") % info.path);
}
@ -796,11 +796,11 @@ void LocalStore::clearFailedPaths(const PathSet & paths)
retry_sqlite {
SQLiteTxn txn(db);
foreach (PathSet::const_iterator, i, paths) {
for (auto & i : paths) {
SQLiteStmtUse use(stmtClearFailedPath);
stmtClearFailedPath.bind(*i);
stmtClearFailedPath.bind(i);
if (sqlite3_step(stmtClearFailedPath) != SQLITE_DONE)
throwSQLiteError(db, format("clearing failed path ‘%1%’ in database") % *i);
throwSQLiteError(db, format("clearing failed path ‘%1%’ in database") % i);
}
txn.commit();
@ -923,8 +923,8 @@ PathSet LocalStore::queryValidPaths(const PathSet & paths)
{
retry_sqlite {
PathSet res;
foreach (PathSet::const_iterator, i, paths)
if (isValidPath_(*i)) res.insert(*i);
for (auto & i : paths)
if (isValidPath_(i)) res.insert(i);
return res;
} end_retry_sqlite;
}
@ -1212,14 +1212,14 @@ template<class T> T LocalStore::getIntLineFromSubstituter(RunningSubstituter & r
PathSet LocalStore::querySubstitutablePaths(const PathSet & paths)
{
PathSet res;
foreach (Paths::iterator, i, settings.substituters) {
for (auto & i : settings.substituters) {
if (res.size() == paths.size()) break;
RunningSubstituter & run(runningSubstituters[*i]);
startSubstituter(*i, run);
RunningSubstituter & run(runningSubstituters[i]);
startSubstituter(i, run);
if (run.disabled) continue;
string s = "have ";
foreach (PathSet::const_iterator, j, paths)
if (res.find(*j) == res.end()) { s += *j; s += " "; }
for (auto & j : paths)
if (res.find(j) == res.end()) { s += j; s += " "; }
writeLine(run.to, s);
while (true) {
/* FIXME: we only read stderr when an error occurs, so
@ -1243,8 +1243,8 @@ void LocalStore::querySubstitutablePathInfos(const Path & substituter,
if (run.disabled) return;
string s = "info ";
foreach (PathSet::const_iterator, i, paths)
if (infos.find(*i) == infos.end()) { s += *i; s += " "; }
for (auto & i : paths)
if (infos.find(i) == infos.end()) { s += i; s += " "; }
writeLine(run.to, s);
while (true) {
@ -1272,9 +1272,9 @@ void LocalStore::querySubstitutablePathInfos(const PathSet & paths,
SubstitutablePathInfos & infos)
{
PathSet todo = paths;
foreach (Paths::iterator, i, settings.substituters) {
for (auto & i : settings.substituters) {
if (todo.empty()) break;
querySubstitutablePathInfos(*i, todo, infos);
querySubstitutablePathInfos(i, todo, infos);
}
}
@ -1304,30 +1304,30 @@ void LocalStore::registerValidPaths(const ValidPathInfos & infos)
SQLiteTxn txn(db);
PathSet paths;
foreach (ValidPathInfos::const_iterator, i, infos) {
assert(i->hash.type == htSHA256);
if (isValidPath_(i->path))
updatePathInfo(*i);
for (auto & i : infos) {
assert(i.hash.type == htSHA256);
if (isValidPath_(i.path))
updatePathInfo(i);
else
addValidPath(*i, false);
paths.insert(i->path);
addValidPath(i, false);
paths.insert(i.path);
}
foreach (ValidPathInfos::const_iterator, i, infos) {
unsigned long long referrer = queryValidPathId(i->path);
foreach (PathSet::iterator, j, i->references)
addReference(referrer, queryValidPathId(*j));
for (auto & i : infos) {
unsigned long long referrer = queryValidPathId(i.path);
for (auto & j : i.references)
addReference(referrer, queryValidPathId(j));
}
/* Check that the derivation outputs are correct. We can't do
this in addValidPath() above, because the references might
not be valid yet. */
foreach (ValidPathInfos::const_iterator, i, infos)
if (isDerivation(i->path)) {
for (auto & i : infos)
if (isDerivation(i.path)) {
// FIXME: inefficient; we already loaded the
// derivation in addValidPath().
Derivation drv = readDerivation(i->path);
checkDerivationOutputs(i->path, drv);
Derivation drv = readDerivation(i.path);
checkDerivationOutputs(i.path, drv);
}
/* Do a topological sort of the paths. This will throw an
@ -1761,8 +1761,8 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
PathSet validPaths2 = queryAllValidPaths(), validPaths, done;
foreach (PathSet::iterator, i, validPaths2)
verifyPath(*i, store, done, validPaths, repair, errors);
for (auto & i : validPaths2)
verifyPath(i, store, done, validPaths, repair, errors);
/* Release the GC lock so that checking content hashes (which can
take ages) doesn't block the GC or builds. */
@ -1774,33 +1774,33 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
Hash nullHash(htSHA256);
foreach (PathSet::iterator, i, validPaths) {
for (auto & i : validPaths) {
try {
ValidPathInfo info = queryPathInfo(*i);
ValidPathInfo info = queryPathInfo(i);
/* Check the content hash (optionally - slow). */
printMsg(lvlTalkative, format("checking contents of ‘%1%’") % *i);
HashResult current = hashPath(info.hash.type, *i);
printMsg(lvlTalkative, format("checking contents of ‘%1%’") % i);
HashResult current = hashPath(info.hash.type, i);
if (info.hash != nullHash && info.hash != current.first) {
printMsg(lvlError, format("path ‘%1%’ was modified! "
"expected hash ‘%2%’, got ‘%3%’")
% *i % printHash(info.hash) % printHash(current.first));
if (repair) repairPath(*i); else errors = true;
% i % printHash(info.hash) % printHash(current.first));
if (repair) repairPath(i); else errors = true;
} else {
bool update = false;
/* Fill in missing hashes. */
if (info.hash == nullHash) {
printMsg(lvlError, format("fixing missing hash on ‘%1%’") % *i);
printMsg(lvlError, format("fixing missing hash on ‘%1%’") % i);
info.hash = current.first;
update = true;
}
/* Fill in missing narSize fields (from old stores). */
if (info.narSize == 0) {
printMsg(lvlError, format("updating size field on ‘%1%’ to %2%") % *i % current.second);
printMsg(lvlError, format("updating size field on ‘%1%’ to %2%") % i % current.second);
info.narSize = current.second;
update = true;
}
@ -1812,7 +1812,7 @@ bool LocalStore::verifyStore(bool checkContents, bool repair)
} catch (Error & e) {
/* It's possible that the path got GC'ed, so ignore
errors on invalid paths. */
if (isValidPath(*i))
if (isValidPath(i))
printMsg(lvlError, format("error: %1%") % e.msg());
else
printMsg(lvlError, format("warning: %1%") % e.msg());
@ -1844,10 +1844,10 @@ void LocalStore::verifyPath(const Path & path, const PathSet & store,
first, then we can invalidate this path as well. */
bool canInvalidate = true;
PathSet referrers; queryReferrers(path, referrers);
foreach (PathSet::iterator, i, referrers)
if (*i != path) {
verifyPath(*i, store, done, validPaths, repair, errors);
if (validPaths.find(*i) != validPaths.end())
for (auto & i : referrers)
if (i != path) {
verifyPath(i, store, done, validPaths, repair, errors);
if (validPaths.find(i) != validPaths.end())
canInvalidate = false;
}
@ -1925,12 +1925,12 @@ ValidPathInfo LocalStore::queryPathInfoOld(const Path & path)
/* Parse it. */
Strings lines = tokenizeString<Strings>(info, "\n");
foreach (Strings::iterator, i, lines) {
string::size_type p = i->find(':');
for (auto & i : lines) {
string::size_type p = i.find(':');
if (p == string::npos)
throw Error(format("corrupt line in ‘%1%’: %2%") % infoFile % *i);
string name(*i, 0, p);
string value(*i, p + 2);
throw Error(format("corrupt line in ‘%1%’: %2%") % infoFile % i);
string name(i, 0, p);
string value(i, p + 2);
if (name == "References") {
Strings refs = tokenizeString<Strings>(value, " ");
res.references = PathSet(refs.begin(), refs.end());
@ -1960,18 +1960,18 @@ void LocalStore::upgradeStore6()
SQLiteTxn txn(db);
foreach (PathSet::iterator, i, validPaths) {
addValidPath(queryPathInfoOld(*i), false);
for (auto & i : validPaths) {
addValidPath(queryPathInfoOld(i), false);
std::cerr << ".";
}
std::cerr << "|";
foreach (PathSet::iterator, i, validPaths) {
ValidPathInfo info = queryPathInfoOld(*i);
unsigned long long referrer = queryValidPathId(*i);
foreach (PathSet::iterator, j, info.references)
addReference(referrer, queryValidPathId(*j));
for (auto & i : validPaths) {
ValidPathInfo info = queryPathInfoOld(i);
unsigned long long referrer = queryValidPathId(i);
for (auto & j : info.references)
addReference(referrer, queryValidPathId(j));
std::cerr << ".";
}

86
src/libstore/misc.cc
View file

@ -28,15 +28,15 @@ void computeFSClosure(StoreAPI & store, const Path & path,
if (includeOutputs) {
PathSet derivers = store.queryValidDerivers(path);
foreach (PathSet::iterator, i, derivers)
edges.insert(*i);
for (auto & i : derivers)
edges.insert(i);
}
if (includeDerivers && isDerivation(path)) {
PathSet outputs = store.queryDerivationOutputs(path);
foreach (PathSet::iterator, i, outputs)
if (store.isValidPath(*i) && store.queryDeriver(*i) == path)
edges.insert(*i);
for (auto & i : outputs)
if (store.isValidPath(i) && store.queryDeriver(i) == path)
edges.insert(i);
}
} else {
@ -44,8 +44,8 @@ void computeFSClosure(StoreAPI & store, const Path & path,
if (includeOutputs && isDerivation(path)) {
PathSet outputs = store.queryDerivationOutputs(path);
foreach (PathSet::iterator, i, outputs)
if (store.isValidPath(*i)) edges.insert(*i);
for (auto & i : outputs)
if (store.isValidPath(i)) edges.insert(i);
}
if (includeDerivers) {
@ -54,15 +54,15 @@ void computeFSClosure(StoreAPI & store, const Path & path,
}
}
foreach (PathSet::iterator, i, edges)
computeFSClosure(store, *i, paths, flipDirection, includeOutputs, includeDerivers);
for (auto & i : edges)
computeFSClosure(store, i, paths, flipDirection, includeOutputs, includeDerivers);
}
Path findOutput(const Derivation & drv, string id)
{
foreach (DerivationOutputs::const_iterator, i, drv.outputs)
if (i->first == id) return i->second.path;
for (auto & i : drv.outputs)
if (i.first == id) return i.second.path;
throw Error(format("derivation has no output ‘%1%’") % id);
}
@ -98,36 +98,36 @@ void queryMissing(StoreAPI & store, const PathSet & targets,
PathSet query, todoDrv, todoNonDrv;
foreach (PathSet::iterator, i, todo) {
if (done.find(*i) != done.end()) continue;
done.insert(*i);
for (auto & i : todo) {
if (done.find(i) != done.end()) continue;
done.insert(i);
DrvPathWithOutputs i2 = parseDrvPathWithOutputs(*i);
DrvPathWithOutputs i2 = parseDrvPathWithOutputs(i);
if (isDerivation(i2.first)) {
if (!store.isValidPath(i2.first)) {
// FIXME: we could try to substitute p.
unknown.insert(*i);
unknown.insert(i);
continue;
}
Derivation drv = derivationFromPath(store, i2.first);
PathSet invalid;
foreach (DerivationOutputs::iterator, j, drv.outputs)
if (wantOutput(j->first, i2.second)
&& !store.isValidPath(j->second.path))
invalid.insert(j->second.path);
for (auto & j : drv.outputs)
if (wantOutput(j.first, i2.second)
&& !store.isValidPath(j.second.path))
invalid.insert(j.second.path);
if (invalid.empty()) continue;
todoDrv.insert(*i);
todoDrv.insert(i);
if (settings.useSubstitutes && substitutesAllowed(drv))
query.insert(invalid.begin(), invalid.end());
}
else {
if (store.isValidPath(*i)) continue;
query.insert(*i);
todoNonDrv.insert(*i);
if (store.isValidPath(i)) continue;
query.insert(i);
todoNonDrv.insert(i);
}
}
@ -136,8 +136,8 @@ void queryMissing(StoreAPI & store, const PathSet & targets,
SubstitutablePathInfos infos;
store.querySubstitutablePathInfos(query, infos);
foreach (PathSet::iterator, i, todoDrv) {
DrvPathWithOutputs i2 = parseDrvPathWithOutputs(*i);
for (auto & i : todoDrv) {
DrvPathWithOutputs i2 = parseDrvPathWithOutputs(i);
// FIXME: cache this
Derivation drv = derivationFromPath(store, i2.first);
@ -145,13 +145,13 @@ void queryMissing(StoreAPI & store, const PathSet & targets,
PathSet outputs;
bool mustBuild = false;
if (settings.useSubstitutes && substitutesAllowed(drv)) {
foreach (DerivationOutputs::iterator, j, drv.outputs) {
if (!wantOutput(j->first, i2.second)) continue;
if (!store.isValidPath(j->second.path)) {
if (infos.find(j->second.path) == infos.end())
for (auto & j : drv.outputs) {
if (!wantOutput(j.first, i2.second)) continue;
if (!store.isValidPath(j.second.path)) {
if (infos.find(j.second.path) == infos.end())
mustBuild = true;
else
outputs.insert(j->second.path);
outputs.insert(j.second.path);
}
}
} else
@ -160,22 +160,22 @@ void queryMissing(StoreAPI & store, const PathSet & targets,
if (mustBuild) {
willBuild.insert(i2.first);
todo.insert(drv.inputSrcs.begin(), drv.inputSrcs.end());
foreach (DerivationInputs::iterator, j, drv.inputDrvs)
todo.insert(makeDrvPathWithOutputs(j->first, j->second));
for (auto & j : drv.inputDrvs)
todo.insert(makeDrvPathWithOutputs(j.first, j.second));
} else
todoNonDrv.insert(outputs.begin(), outputs.end());
}
foreach (PathSet::iterator, i, todoNonDrv) {
done.insert(*i);
SubstitutablePathInfos::iterator info = infos.find(*i);
for (auto & i : todoNonDrv) {
done.insert(i);
SubstitutablePathInfos::iterator info = infos.find(i);
if (info != infos.end()) {
willSubstitute.insert(*i);
willSubstitute.insert(i);
downloadSize += info->second.downloadSize;
narSize += info->second.narSize;
todo.insert(info->second.references.begin(), info->second.references.end());
} else
unknown.insert(*i);
unknown.insert(i);
}
}
}
@ -196,11 +196,11 @@ static void dfsVisit(StoreAPI & store, const PathSet & paths,
if (store.isValidPath(path))
store.queryReferences(path, references);
foreach (PathSet::iterator, i, references)
for (auto & i : references)
/* Don't traverse into paths that don't exist. That can
happen due to substitutes for non-existent paths. */
if (*i != path && paths.find(*i) != paths.end())
dfsVisit(store, paths, *i, visited, sorted, parents);
if (i != path && paths.find(i) != paths.end())
dfsVisit(store, paths, i, visited, sorted, parents);
sorted.push_front(path);
parents.erase(path);
@ -211,8 +211,8 @@ Paths topoSortPaths(StoreAPI & store, const PathSet & paths)
{
Paths sorted;
PathSet visited, parents;
foreach (PathSet::const_iterator, i, paths)
dfsVisit(store, paths, *i, visited, sorted, parents);
for (auto & i : paths)
dfsVisit(store, paths, i, visited, sorted, parents);
return sorted;
}

14
src/libstore/optimise-store.cc
View file

@ -99,8 +99,8 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
if (S_ISDIR(st.st_mode)) {
Strings names = readDirectoryIgnoringInodes(path, inodeHash);
foreach (Strings::iterator, i, names)
optimisePath_(stats, path + "/" + *i, inodeHash);
for (auto & i : names)
optimisePath_(stats, path + "/" + i, inodeHash);
return;
}
@ -218,11 +218,11 @@ void LocalStore::optimiseStore(OptimiseStats & stats)
PathSet paths = queryAllValidPaths();
InodeHash inodeHash = loadInodeHash();
foreach (PathSet::iterator, i, paths) {
addTempRoot(*i);
if (!isValidPath(*i)) continue; /* path was GC'ed, probably */
startNest(nest, lvlChatty, format("hashing files in ‘%1%’") % *i);
optimisePath_(stats, *i, inodeHash);
for (auto & i : paths) {
addTempRoot(i);
if (!isValidPath(i)) continue; /* path was GC'ed, probably */
startNest(nest, lvlChatty, format("hashing files in ‘%1%’") % i);
optimisePath_(stats, i, inodeHash);
}
}

15
src/libstore/pathlocks.cc
View file

@ -104,9 +104,8 @@ bool PathLocks::lockPaths(const PathSet & _paths,
paths.sort();
/* Acquire the lock for each path. */
foreach (Paths::iterator, i, paths) {
for (auto & path : paths) {
checkInterrupt();
Path path = *i;
Path lockPath = path + ".lock";
debug(format("locking path ‘%1%’") % path);
@ -168,15 +167,15 @@ PathLocks::~PathLocks()
void PathLocks::unlock()
{
foreach (list<FDPair>::iterator, i, fds) {
if (deletePaths) deleteLockFile(i->second, i->first);
for (auto & i : fds) {
if (deletePaths) deleteLockFile(i.second, i.first);
lockedPaths.erase(i->second);
if (close(i->first) == -1)
lockedPaths.erase(i.second);
if (close(i.first) == -1)
printMsg(lvlError,
format("error (ignored): cannot close lock file on ‘%1%’") % i->second);
format("error (ignored): cannot close lock file on ‘%1%’") % i.second);
debug(format("lock released on ‘%1%’") % i->second);
debug(format("lock released on ‘%1%’") % i.second);
}
fds.clear();

12
src/libstore/references.cc
View file

@ -89,17 +89,17 @@ PathSet scanForReferences(const string & path,
/* For efficiency (and a higher hit rate), just search for the
hash part of the file name. (This assumes that all references
have the form `HASH-bla'). */
foreach (PathSet::const_iterator, i, refs) {
string baseName = baseNameOf(*i);
for (auto & i : refs) {
string baseName = baseNameOf(i);
string::size_type pos = baseName.find('-');
if (pos == string::npos)
throw Error(format("bad reference ‘%1%’") % *i);
throw Error(format("bad reference ‘%1%’") % i);
string s = string(baseName, 0, pos);
assert(s.size() == refLength);
assert(backMap.find(s) == backMap.end());
// parseHash(htSHA256, s);
sink.hashes.insert(s);
backMap[s] = *i;
backMap[s] = i;
}
/* Look for the hashes in the NAR dump of the path. */
@ -107,9 +107,9 @@ PathSet scanForReferences(const string & path,
/* Map the hashes found back to their store paths. */
PathSet found;
foreach (StringSet::iterator, i, sink.seen) {
for (auto & i : sink.seen) {
std::map<string, Path>::iterator j;
if ((j = backMap.find(*i)) == backMap.end()) abort();
if ((j = backMap.find(i)) == backMap.end()) abort();
found.insert(j->second);
}

28
src/libstore/remote-store.cc
View file

@ -31,7 +31,7 @@ Path readStorePath(Source & from)
template<class T> T readStorePaths(Source & from)
{
T paths = readStrings<T>(from);
foreach (typename T::iterator, i, paths) assertStorePath(*i);
for (auto & i : paths) assertStorePath(i);
return paths;
}
@ -166,9 +166,9 @@ void RemoteStore::setOptions()
if (overrides["ssh-auth-sock"] == "")
overrides["ssh-auth-sock"] = getEnv("SSH_AUTH_SOCK");
writeInt(overrides.size(), to);
foreach (Settings::SettingsMap::iterator, i, overrides) {
writeString(i->first, to);
writeString(i->second, to);
for (auto & i : overrides) {
writeString(i.first, to);
writeString(i.second, to);
}
}
@ -192,8 +192,8 @@ PathSet RemoteStore::queryValidPaths(const PathSet & paths)
openConnection();
if (GET_PROTOCOL_MINOR(daemonVersion) < 12) {
PathSet res;
foreach (PathSet::const_iterator, i, paths)
if (isValidPath(*i)) res.insert(*i);
for (auto & i : paths)
if (isValidPath(i)) res.insert(i);
return res;
} else {
writeInt(wopQueryValidPaths, to);
@ -218,11 +218,11 @@ PathSet RemoteStore::querySubstitutablePaths(const PathSet & paths)
openConnection();
if (GET_PROTOCOL_MINOR(daemonVersion) < 12) {
PathSet res;
foreach (PathSet::const_iterator, i, paths) {
for (auto & i : paths) {
writeInt(wopHasSubstitutes, to);
writeString(*i, to);
writeString(i, to);
processStderr();
if (readInt(from)) res.insert(*i);
if (readInt(from)) res.insert(i);
}
return res;
} else {
@ -245,10 +245,10 @@ void RemoteStore::querySubstitutablePathInfos(const PathSet & paths,
if (GET_PROTOCOL_MINOR(daemonVersion) < 12) {
foreach (PathSet::const_iterator, i, paths) {
for (auto & i : paths) {
SubstitutablePathInfo info;
writeInt(wopQuerySubstitutablePathInfo, to);
writeString(*i, to);
writeString(i, to);
processStderr();
unsigned int reply = readInt(from);
if (reply == 0) continue;
@ -257,7 +257,7 @@ void RemoteStore::querySubstitutablePathInfos(const PathSet & paths,
info.references = readStorePaths<PathSet>(from);
info.downloadSize = readLongLong(from);
info.narSize = GET_PROTOCOL_MINOR(daemonVersion) >= 7 ? readLongLong(from) : 0;
infos[*i] = info;
infos[i] = info;
}
} else {
@ -473,8 +473,8 @@ void RemoteStore::buildPaths(const PathSet & drvPaths, BuildMode buildMode)
/* For backwards compatibility with old daemons, strip output
identifiers. */
PathSet drvPaths2;
foreach (PathSet::const_iterator, i, drvPaths)
drvPaths2.insert(string(*i, 0, i->find('!')));
for (auto & i : drvPaths)
drvPaths2.insert(string(i, 0, i.find('!')));
writeStrings(drvPaths2, to);
}
processStderr();

34
src/libstore/store-api.cc
View file

@ -82,14 +82,14 @@ void checkStoreName(const string & name)
reasons (e.g., "." and ".."). */
if (string(name, 0, 1) == ".")
throw Error(format("illegal name: ‘%1%’") % name);
foreach (string::const_iterator, i, name)
if (!((*i >= 'A' && *i <= 'Z') ||
(*i >= 'a' && *i <= 'z') ||
(*i >= '0' && *i <= '9') ||
validChars.find(*i) != string::npos))
for (auto & i : name)
if (!((i >= 'A' && i <= 'Z') ||
(i >= 'a' && i <= 'z') ||
(i >= '0' && i <= '9') ||
validChars.find(i) != string::npos))
{
throw Error(format("invalid character ‘%1%’ in name ‘%2%’")
% *i % name);
% i % name);
}
}
@ -219,9 +219,9 @@ Path computeStorePathForText(const string & name, const string & s,
hacky, but we can't put them in `s' since that would be
ambiguous. */
string type = "text";
foreach (PathSet::const_iterator, i, references) {
for (auto & i : references) {
type += ":";
type += *i;
type += i;
}
return makeStorePath(type, hash, name);
}
@ -235,10 +235,10 @@ string StoreAPI::makeValidityRegistration(const PathSet & paths,
{
string s = "";
foreach (PathSet::iterator, i, paths) {
s += *i + "\n";
for (auto & i : paths) {
s += i + "\n";
ValidPathInfo info = queryPathInfo(*i);
ValidPathInfo info = queryPathInfo(i);
if (showHash) {
s += printHash(info.hash) + "\n";
@ -250,8 +250,8 @@ string StoreAPI::makeValidityRegistration(const PathSet & paths,
s += (format("%1%\n") % info.references.size()).str();
foreach (PathSet::iterator, j, info.references)
s += *j + "\n";
for (auto & j : info.references)
s += j + "\n";
}
return s;
@ -286,9 +286,9 @@ ValidPathInfo decodeValidPathInfo(std::istream & str, bool hashGiven)
string showPaths(const PathSet & paths)
{
string s;
foreach (PathSet::const_iterator, i, paths) {
for (auto & i : paths) {
if (s.size() != 0) s += ", ";
s += "‘" + *i + "’";
s += "‘" + i + "’";
}
return s;
}
@ -297,9 +297,9 @@ string showPaths(const PathSet & paths)
void exportPaths(StoreAPI & store, const Paths & paths,
bool sign, Sink & sink)
{
foreach (Paths::const_iterator, i, paths) {
for (auto & i : paths) {
writeInt(1, sink);
store.exportPath(*i, sign, sink);
store.exportPath(i, sign, sink);
}
writeInt(0, sink);
}

4
src/libutil/serialise.cc
View file

@ -200,8 +200,8 @@ Sink & operator << (Sink & out, const string & s)
template<class T> void writeStrings(const T & ss, Sink & sink)
{
writeInt(ss.size(), sink);
foreach (typename T::const_iterator, i, ss)
writeString(*i, sink);
for (auto & i : ss)
writeString(i, sink);
}
template void writeStrings(const Paths & ss, Sink & sink);

8
src/libutil/util.cc
View file

@ -1060,9 +1060,9 @@ template vector<string> tokenizeString(const string & s, const string & separato
string concatStringsSep(const string & sep, const Strings & ss)
{
string s;
foreach (Strings::const_iterator, i, ss) {
for (auto & i : ss) {
if (s.size() != 0) s += sep;
s += *i;
s += i;
}
return s;
}
@ -1071,9 +1071,9 @@ string concatStringsSep(const string & sep, const Strings & ss)
string concatStringsSep(const string & sep, const StringSet & ss)
{
string s;
foreach (StringSet::const_iterator, i, ss) {
for (auto & i : ss) {
if (s.size() != 0) s += sep;
s += *i;
s += i;
}
return s;
}

7
src/libutil/util.hh
View file

@ -15,13 +15,6 @@
namespace nix {
#define foreach(it_type, it, collection) \
for (it_type it = (collection).begin(); it != (collection).end(); ++it)
#define foreach_reverse(it_type, it, collection) \
for (it_type it = (collection).rbegin(); it != (collection).rend(); ++it)
/* Return an environment variable. */
string getEnv(const string & key, const string & def = "");

8
src/libutil/xml-writer.cc
View file

@ -73,10 +73,10 @@ void XMLWriter::writeEmptyElement(const string & name,
void XMLWriter::writeAttrs(const XMLAttrs & attrs)
{
for (XMLAttrs::const_iterator i = attrs.begin(); i != attrs.end(); ++i) {
output << " " << i->first << "=\"";
for (unsigned int j = 0; j < i->second.size(); ++j) {
char c = i->second[j];
for (auto & i : attrs) {
output << " " << i.first << "=\"";
for (unsigned int j = 0; j < i.second.size(); ++j) {
char c = i.second[j];
if (c == '"') output << "&quot;";
else if (c == '<') output << "&lt;";
else if (c == '>') output << "&gt;";

18
src/nix-daemon/nix-daemon.cc
View file

@ -367,9 +367,9 @@ static void performOp(bool trusted, unsigned int clientVersion,
Roots roots = store->findRoots();
stopWork();
writeInt(roots.size(), to);
for (Roots::iterator i = roots.begin(); i != roots.end(); ++i) {
writeString(i->first, to);
writeString(i->second, to);
for (auto & i : roots) {
writeString(i.first, to);
writeString(i.second, to);
}
break;
}
@ -464,12 +464,12 @@ static void performOp(bool trusted, unsigned int clientVersion,
store->querySubstitutablePathInfos(paths, infos);
stopWork();
writeInt(infos.size(), to);
foreach (SubstitutablePathInfos::iterator, i, infos) {
writeString(i->first, to);
writeString(i->second.deriver, to);
writeStrings(i->second.references, to);
writeLongLong(i->second.downloadSize, to);
writeLongLong(i->second.narSize, to);
for (auto & i : infos) {
writeString(i.first, to);
writeString(i.second.deriver, to);
writeStrings(i.second.references, to);
writeLongLong(i.second.downloadSize, to);
writeLongLong(i.second.narSize, to);
}
break;
}

260
src/nix-env/nix-env.cc
View file

@ -232,9 +232,9 @@ static bool isPrebuilt(EvalState & state, DrvInfo & elem)
static void checkSelectorUse(DrvNames & selectors)
{
/* Check that all selectors have been used. */
foreach (DrvNames::iterator, i, selectors)
if (i->hits == 0 && i->fullName != "*")
throw Error(format("selector ‘%1%’ matches no derivations") % i->fullName);
for (auto & i : selectors)
if (i.hits == 0 && i.fullName != "*")
throw Error(format("selector ‘%1%’ matches no derivations") % i.fullName);
}
@ -248,7 +248,7 @@ static DrvInfos filterBySelector(EvalState & state, const DrvInfos & allElems,
DrvInfos elems;
set<unsigned int> done;
foreach (DrvNames::iterator, i, selectors) {
for (auto & i : selectors) {
typedef list<std::pair<DrvInfo, unsigned int> > Matches;
Matches matches;
unsigned int n = 0;
@ -256,8 +256,8 @@ static DrvInfos filterBySelector(EvalState & state, const DrvInfos & allElems,
j != allElems.end(); ++j, ++n)
{
DrvName drvName(j->name);
if (i->matches(drvName)) {
i->hits++;
if (i.matches(drvName)) {
i.hits++;
matches.push_back(std::pair<DrvInfo, unsigned int>(*j, n));
}
}
@ -276,47 +276,47 @@ static DrvInfos filterBySelector(EvalState & state, const DrvInfos & allElems,
Newest newest;
StringSet multiple;
for (Matches::iterator j = matches.begin(); j != matches.end(); ++j) {
DrvName drvName(j->first.name);
for (auto & j : matches) {
DrvName drvName(j.first.name);
int d = 1;
Newest::iterator k = newest.find(drvName.name);
if (k != newest.end()) {
d = j->first.system == k->second.first.system ? 0 :
j->first.system == settings.thisSystem ? 1 :
d = j.first.system == k->second.first.system ? 0 :
j.first.system == settings.thisSystem ? 1 :
k->second.first.system == settings.thisSystem ? -1 : 0;
if (d == 0)
d = comparePriorities(state, j->first, k->second.first);
d = comparePriorities(state, j.first, k->second.first);
if (d == 0)
d = compareVersions(drvName.version, DrvName(k->second.first.name).version);
}
if (d > 0) {
newest.erase(drvName.name);
newest.insert(Newest::value_type(drvName.name, *j));
multiple.erase(j->first.name);
newest.insert(Newest::value_type(drvName.name, j));
multiple.erase(j.first.name);
} else if (d == 0) {
multiple.insert(j->first.name);
multiple.insert(j.first.name);
}
}
matches.clear();
for (Newest::iterator j = newest.begin(); j != newest.end(); ++j) {
if (multiple.find(j->second.first.name) != multiple.end())
for (auto & j : newest) {
if (multiple.find(j.second.first.name) != multiple.end())
printMsg(lvlInfo,
format("warning: there are multiple derivations named ‘%1%’; using the first one")
% j->second.first.name);
matches.push_back(j->second);
% j.second.first.name);
matches.push_back(j.second);
}
}
/* Insert only those elements in the final list that we
haven't inserted before. */
for (Matches::iterator j = matches.begin(); j != matches.end(); ++j)
if (done.find(j->second) == done.end()) {
done.insert(j->second);
elems.push_back(j->first);
for (auto & j : matches)
if (done.find(j.second) == done.end()) {
done.insert(j.second);
elems.push_back(j.first);
}
}
@ -370,8 +370,8 @@ static void queryInstSources(EvalState & state,
Value vArg;
loadSourceExpr(state, instSource.nixExprPath, vArg);
foreach (Strings::const_iterator, i, args) {
Expr * eFun = state.parseExprFromString(*i, absPath("."));
for (auto & i : args) {
Expr * eFun = state.parseExprFromString(i, absPath("."));
Value vFun, vTmp;
state.eval(eFun, vFun);
mkApp(vTmp, vFun, vArg);
@ -386,8 +386,8 @@ static void queryInstSources(EvalState & state,
derivations). */
case srcStorePaths: {
foreach (Strings::const_iterator, i, args) {
Path path = followLinksToStorePath(*i);
for (auto & i : args) {
Path path = followLinksToStorePath(i);
string name = baseNameOf(path);
string::size_type dash = name.find('-');
@ -424,8 +424,8 @@ static void queryInstSources(EvalState & state,
case srcAttrPath: {
Value vRoot;
loadSourceExpr(state, instSource.nixExprPath, vRoot);
foreach (Strings::const_iterator, i, args) {
Value & v(*findAlongAttrPath(state, *i, *instSource.autoArgs, vRoot));
for (auto & i : args) {
Value & v(*findAlongAttrPath(state, i, *instSource.autoArgs, vRoot));
getDerivations(state, v, "", *instSource.autoArgs, elems, true);
}
break;
@ -437,12 +437,12 @@ static void queryInstSources(EvalState & state,
static void printMissing(EvalState & state, DrvInfos & elems)
{
PathSet targets;
foreach (DrvInfos::iterator, i, elems) {
Path drvPath = i->queryDrvPath();
for (auto & i : elems) {
Path drvPath = i.queryDrvPath();
if (drvPath != "")
targets.insert(drvPath);
else
targets.insert(i->queryOutPath());
targets.insert(i.queryOutPath());
}
printMissing(*store, targets);
@ -465,19 +465,19 @@ static void installDerivations(Globals & globals,
queryInstSources(*globals.state, globals.instSource, args, newElemsTmp, true);
/* If --prebuilt-only is given, filter out source-only packages. */
foreach (DrvInfos::iterator, i, newElemsTmp)
if (!globals.prebuiltOnly || isPrebuilt(*globals.state, *i))
newElems.push_back(*i);
for (auto & i : newElemsTmp)
if (!globals.prebuiltOnly || isPrebuilt(*globals.state, i))
newElems.push_back(i);
StringSet newNames;
for (DrvInfos::iterator i = newElems.begin(); i != newElems.end(); ++i) {
for (auto & i : newElems) {
/* `forceName' is a hack to get package names right in some
one-click installs, namely those where the name used in the
path is not the one we want (e.g., `java-front' versus
`java-front-0.9pre15899'). */
if (globals.forceName != "")
i->name = globals.forceName;
newNames.insert(DrvName(i->name).name);
i.name = globals.forceName;
newNames.insert(DrvName(i.name).name);
}
@ -491,18 +491,18 @@ static void installDerivations(Globals & globals,
if (!globals.removeAll) {
DrvInfos installedElems = queryInstalled(*globals.state, profile);
foreach (DrvInfos::iterator, i, installedElems) {
DrvName drvName(i->name);
for (auto & i : installedElems) {
DrvName drvName(i.name);
if (!globals.preserveInstalled &&
newNames.find(drvName.name) != newNames.end() &&
!keep(*i))
printMsg(lvlInfo, format("replacing old ‘%1%’") % i->name);
!keep(i))
printMsg(lvlInfo, format("replacing old ‘%1%’") % i.name);
else
allElems.push_back(*i);
allElems.push_back(i);
}
foreach (DrvInfos::iterator, i, newElems)
printMsg(lvlInfo, format("installing ‘%1%’") % i->name);
for (auto & i : newElems)
printMsg(lvlInfo, format("installing ‘%1%’") % i.name);
}
printMissing(*globals.state, newElems);
@ -555,13 +555,13 @@ static void upgradeDerivations(Globals & globals,
/* Go through all installed derivations. */
DrvInfos newElems;
foreach (DrvInfos::iterator, i, installedElems) {
DrvName drvName(i->name);
for (auto & i : installedElems) {
DrvName drvName(i.name);
try {
if (keep(*i)) {
newElems.push_back(*i);
if (keep(i)) {
newElems.push_back(i);
continue;
}
@ -573,10 +573,10 @@ static void upgradeDerivations(Globals & globals,
take the one with the highest version. */
DrvInfos::iterator bestElem = availElems.end();
DrvName bestName;
foreach (DrvInfos::iterator, j, availElems) {
for (auto j = availElems.begin(); j != availElems.end(); ++j) {
DrvName newName(j->name);
if (newName.name == drvName.name) {
int d = comparePriorities(*globals.state, *i, *j);
int d = comparePriorities(*globals.state, i, *j);
if (d == 0) d = compareVersions(drvName.version, newName.version);
if ((upgradeType == utLt && d < 0) ||
(upgradeType == utLeq && d <= 0) ||
@ -597,17 +597,17 @@ static void upgradeDerivations(Globals & globals,
}
if (bestElem != availElems.end() &&
i->queryOutPath() !=
i.queryOutPath() !=
bestElem->queryOutPath())
{
printMsg(lvlInfo,
format("upgrading ‘%1%’ to ‘%2%’")
% i->name % bestElem->name);
% i.name % bestElem->name);
newElems.push_back(*bestElem);
} else newElems.push_back(*i);
} else newElems.push_back(i);
} catch (Error & e) {
e.addPrefix(format("while trying to find an upgrade for ‘%1%’:\n") % i->name);
e.addPrefix(format("while trying to find an upgrade for ‘%1%’:\n") % i.name);
throw;
}
}
@ -666,13 +666,13 @@ static void opSetFlag(Globals & globals, Strings opFlags, Strings opArgs)
DrvInfos installedElems = queryInstalled(*globals.state, globals.profile);
/* Update all matching derivations. */
foreach (DrvInfos::iterator, i, installedElems) {
DrvName drvName(i->name);
foreach (DrvNames::iterator, j, selectors)
if (j->matches(drvName)) {
printMsg(lvlInfo, format("setting flag on ‘%1%’") % i->name);
j->hits++;
setMetaFlag(*globals.state, *i, flagName, flagValue);
for (auto & i : installedElems) {
DrvName drvName(i.name);
for (auto & j : selectors)
if (j.matches(drvName)) {
printMsg(lvlInfo, format("setting flag on ‘%1%’") % i.name);
j.hits++;
setMetaFlag(*globals.state, i, flagName, flagValue);
break;
}
}
@ -732,20 +732,20 @@ static void uninstallDerivations(Globals & globals, Strings & selectors,
DrvInfos installedElems = queryInstalled(*globals.state, profile);
DrvInfos newElems;
foreach (DrvInfos::iterator, i, installedElems) {
DrvName drvName(i->name);
for (auto & i : installedElems) {
DrvName drvName(i.name);
bool found = false;
foreach (Strings::iterator, j, selectors)
for (auto & j : selectors)
/* !!! the repeated calls to followLinksToStorePath()
are expensive, should pre-compute them. */
if ((isPath(*j) && i->queryOutPath() == followLinksToStorePath(*j))
|| DrvName(*j).matches(drvName))
if ((isPath(j) && i.queryOutPath() == followLinksToStorePath(j))
|| DrvName(j).matches(drvName))
{
printMsg(lvlInfo, format("uninstalling ‘%1%’") % i->name);
printMsg(lvlInfo, format("uninstalling ‘%1%’") % i.name);
found = true;
break;
}
if (!found) newElems.push_back(*i);
if (!found) newElems.push_back(i);
}
if (globals.dryRun) return;
@ -788,18 +788,18 @@ void printTable(Table & table)
vector<unsigned int> widths;
widths.resize(nrColumns);
foreach (Table::iterator, i, table) {
assert(i->size() == nrColumns);
for (auto & i : table) {
assert(i.size() == nrColumns);
Strings::iterator j;
unsigned int column;
for (j = i->begin(), column = 0; j != i->end(); ++j, ++column)
for (j = i.begin(), column = 0; j != i.end(); ++j, ++column)
if (j->size() > widths[column]) widths[column] = j->size();
}
foreach (Table::iterator, i, table) {
for (auto & i : table) {
Strings::iterator j;
unsigned int column;
for (j = i->begin(), column = 0; j != i->end(); ++j, ++column) {
for (j = i.begin(), column = 0; j != i.end(); ++j, ++column) {
string s = *j;
replace(s.begin(), s.end(), '\n', ' ');
cout << s;
@ -828,8 +828,8 @@ static VersionDiff compareVersionAgainstSet(
VersionDiff diff = cvUnavail;
version = "?";
for (DrvInfos::const_iterator i = elems.begin(); i != elems.end(); ++i) {
DrvName name2(i->name);
for (auto & i : elems) {
DrvName name2(i.name);
if (name.name == name2.name) {
int d = compareVersions(name.version, name2.version);
if (d < 0) {
@ -855,21 +855,21 @@ static VersionDiff compareVersionAgainstSet(
static void queryJSON(Globals & globals, vector<DrvInfo> & elems)
{
JSONObject topObj(cout);
foreach (vector<DrvInfo>::iterator, i, elems) {
topObj.attr(i->attrPath);
for (auto & i : elems) {
topObj.attr(i.attrPath);
JSONObject pkgObj(cout);
pkgObj.attr("name", i->name);
pkgObj.attr("system", i->system);
pkgObj.attr("name", i.name);
pkgObj.attr("system", i.system);
pkgObj.attr("meta");
JSONObject metaObj(cout);
StringSet metaNames = i->queryMetaNames();
foreach (StringSet::iterator, j, metaNames) {
metaObj.attr(*j);
Value * v = i->queryMeta(*j);
StringSet metaNames = i.queryMetaNames();
for (auto & j : metaNames) {
metaObj.attr(j);
Value * v = i.queryMeta(j);
if (!v) {
printMsg(lvlError, format("derivation ‘%1%’ has invalid meta attribute ‘%2%’") % i->name % *j);
printMsg(lvlError, format("derivation ‘%1%’ has invalid meta attribute ‘%2%’") % i.name % j);
cout << "null";
} else {
PathSet context;
@ -944,8 +944,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
/* Sort them by name. */
/* !!! */
vector<DrvInfo> elems;
for (DrvInfos::iterator i = elems_.begin(); i != elems_.end(); ++i)
elems.push_back(*i);
for (auto & i : elems_) elems.push_back(i);
sort(elems.begin(), elems.end(), cmpElemByName);
@ -954,9 +953,8 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
PathSet installed; /* installed paths */
if (printStatus) {
for (DrvInfos::iterator i = installedElems.begin();
i != installedElems.end(); ++i)
installed.insert(i->queryOutPath());
for (auto & i : installedElems)
installed.insert(i.queryOutPath());
}
@ -964,12 +962,12 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
PathSet validPaths, substitutablePaths;
if (printStatus || globals.prebuiltOnly) {
PathSet paths;
foreach (vector<DrvInfo>::iterator, i, elems)
for (auto & i : elems)
try {
paths.insert(i->queryOutPath());
paths.insert(i.queryOutPath());
} catch (AssertionError & e) {
printMsg(lvlTalkative, format("skipping derivation named ‘%1%’ which gives an assertion failure") % i->name);
i->setFailed();
printMsg(lvlTalkative, format("skipping derivation named ‘%1%’ which gives an assertion failure") % i.name);
i.setFailed();
}
validPaths = store->queryValidPaths(paths);
substitutablePaths = store->querySubstitutablePaths(paths);
@ -990,15 +988,15 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
XMLWriter xml(true, *(xmlOutput ? &cout : &dummy));
XMLOpenElement xmlRoot(xml, "items");
foreach (vector<DrvInfo>::iterator, i, elems) {
for (auto & i : elems) {
try {
if (i->hasFailed()) continue;
if (i.hasFailed()) continue;
startNest(nest, lvlDebug, format("outputting query result ‘%1%’") % i->attrPath);
startNest(nest, lvlDebug, format("outputting query result ‘%1%’") % i.attrPath);
if (globals.prebuiltOnly &&
validPaths.find(i->queryOutPath()) == validPaths.end() &&
substitutablePaths.find(i->queryOutPath()) == substitutablePaths.end())
validPaths.find(i.queryOutPath()) == validPaths.end() &&
substitutablePaths.find(i.queryOutPath()) == substitutablePaths.end())
continue;
/* For table output. */
@ -1008,7 +1006,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
XMLAttrs attrs;
if (printStatus) {
Path outPath = i->queryOutPath();
Path outPath = i.queryOutPath();
bool hasSubs = substitutablePaths.find(outPath) != substitutablePaths.end();
bool isInstalled = installed.find(outPath) != installed.end();
bool isValid = validPaths.find(outPath) != validPaths.end();
@ -1024,14 +1022,14 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
}
if (xmlOutput)
attrs["attrPath"] = i->attrPath;
attrs["attrPath"] = i.attrPath;
else if (printAttrPath)
columns.push_back(i->attrPath);
columns.push_back(i.attrPath);
if (xmlOutput)
attrs["name"] = i->name;
attrs["name"] = i.name;
else if (printName)
columns.push_back(i->name);
columns.push_back(i.name);
if (compareVersions) {
/* Compare this element against the versions of the
@ -1039,7 +1037,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
elements, or the set of installed elements. !!!
This is O(N * M), should be O(N * lg M). */
string version;
VersionDiff diff = compareVersionAgainstSet(*i, otherElems, version);
VersionDiff diff = compareVersionAgainstSet(i, otherElems, version);
char ch;
switch (diff) {
@ -1064,13 +1062,13 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
}
if (xmlOutput) {
if (i->system != "") attrs["system"] = i->system;
if (i.system != "") attrs["system"] = i.system;
}
else if (printSystem)
columns.push_back(i->system);
columns.push_back(i.system);
if (printDrvPath) {
string drvPath = i->queryDrvPath();
string drvPath = i.queryDrvPath();
if (xmlOutput) {
if (drvPath != "") attrs["drvPath"] = drvPath;
} else
@ -1078,18 +1076,18 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
}
if (printOutPath && !xmlOutput) {
DrvInfo::Outputs outputs = i->queryOutputs();
DrvInfo::Outputs outputs = i.queryOutputs();
string s;
foreach (DrvInfo::Outputs::iterator, j, outputs) {
for (auto & j : outputs) {
if (!s.empty()) s += ';';
if (j->first != "out") { s += j->first; s += "="; }
s += j->second;
if (j.first != "out") { s += j.first; s += "="; }
s += j.second;
}
columns.push_back(s);
}
if (printDescription) {
string descr = i->queryMetaString("description");
string descr = i.queryMetaString("description");
if (xmlOutput) {
if (descr != "") attrs["description"] = descr;
} else
@ -1100,22 +1098,22 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
if (printOutPath || printMeta) {
XMLOpenElement item(xml, "item", attrs);
if (printOutPath) {
DrvInfo::Outputs outputs = i->queryOutputs();
foreach (DrvInfo::Outputs::iterator, j, outputs) {
DrvInfo::Outputs outputs = i.queryOutputs();
for (auto & j : outputs) {
XMLAttrs attrs2;
attrs2["name"] = j->first;
attrs2["path"] = j->second;
attrs2["name"] = j.first;
attrs2["path"] = j.second;
xml.writeEmptyElement("output", attrs2);
}
}
if (printMeta) {
StringSet metaNames = i->queryMetaNames();
foreach (StringSet::iterator, j, metaNames) {
StringSet metaNames = i.queryMetaNames();
for (auto & j : metaNames) {
XMLAttrs attrs2;
attrs2["name"] = *j;
Value * v = i->queryMeta(*j);
attrs2["name"] = j;
Value * v = i.queryMeta(j);
if (!v)
printMsg(lvlError, format("derivation ‘%1%’ has invalid meta attribute ‘%2%’") % i->name % *j);
printMsg(lvlError, format("derivation ‘%1%’ has invalid meta attribute ‘%2%’") % i.name % j);
else {
if (v->type == tString) {
attrs2["type"] = "string";
@ -1150,9 +1148,9 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
cout.flush();
} catch (AssertionError & e) {
printMsg(lvlTalkative, format("skipping derivation named ‘%1%’ which gives an assertion failure") % i->name);
printMsg(lvlTalkative, format("skipping derivation named ‘%1%’ which gives an assertion failure") % i.name);
} catch (Error & e) {
e.addPrefix(format("while querying the derivation named ‘%1%’:\n") % i->name);
e.addPrefix(format("while querying the derivation named ‘%1%’:\n") % i.name);
throw;
}
}
@ -1187,10 +1185,10 @@ static void switchGeneration(Globals & globals, int dstGen)
Generations gens = findGenerations(globals.profile, curGen);
Generation dst;
for (Generations::iterator i = gens.begin(); i != gens.end(); ++i)
if ((dstGen == prevGen && i->number < curGen) ||
(dstGen >= 0 && i->number == dstGen))
dst = *i;
for (auto & i : gens)
if ((dstGen == prevGen && i.number < curGen) ||
(dstGen >= 0 && i.number == dstGen))
dst = i;
if (!dst) {
if (dstGen == prevGen)
@ -1250,14 +1248,14 @@ static void opListGenerations(Globals & globals, Strings opFlags, Strings opArgs
RunPager pager;
for (Generations::iterator i = gens.begin(); i != gens.end(); ++i) {
for (auto & i : gens) {
tm t;
if (!localtime_r(&i->creationTime, &t)) throw Error("cannot convert time");
if (!localtime_r(&i.creationTime, &t)) throw Error("cannot convert time");
cout << format("%|4| %|4|-%|02|-%|02| %|02|:%|02|:%|02| %||\n")
% i->number
% i.number
% (t.tm_year + 1900) % (t.tm_mon + 1) % t.tm_mday
% t.tm_hour % t.tm_min % t.tm_sec
% (i->number == curGen ? "(current)" : "");
% (i.number == curGen ? "(current)" : "");
}
}

44
src/nix-env/user-env.cc
View file

@ -33,9 +33,9 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
/* Build the components in the user environment, if they don't
exist already. */
PathSet drvsToBuild;
foreach (DrvInfos::iterator, i, elems)
if (i->queryDrvPath() != "")
drvsToBuild.insert(i->queryDrvPath());
for (auto & i : elems)
if (i.queryDrvPath() != "")
drvsToBuild.insert(i.queryDrvPath());
debug(format("building user environment dependencies"));
store->buildPaths(drvsToBuild, state.repair ? bmRepair : bmNormal);
@ -45,51 +45,51 @@ bool createUserEnv(EvalState & state, DrvInfos & elems,
Value manifest;
state.mkList(manifest, elems.size());
unsigned int n = 0;
foreach (DrvInfos::iterator, i, elems) {
for (auto & i : elems) {
/* Create a pseudo-derivation containing the name, system,
output paths, and optionally the derivation path, as well
as the meta attributes. */
Path drvPath = keepDerivations ? i->queryDrvPath() : "";
Path drvPath = keepDerivations ? i.queryDrvPath() : "";
Value & v(*state.allocValue());
manifest.list.elems[n++] = &v;
state.mkAttrs(v, 16);
mkString(*state.allocAttr(v, state.sType), "derivation");
mkString(*state.allocAttr(v, state.sName), i->name);
if (!i->system.empty())
mkString(*state.allocAttr(v, state.sSystem), i->system);
mkString(*state.allocAttr(v, state.sOutPath), i->queryOutPath());
mkString(*state.allocAttr(v, state.sName), i.name);
if (!i.system.empty())
mkString(*state.allocAttr(v, state.sSystem), i.system);
mkString(*state.allocAttr(v, state.sOutPath), i.queryOutPath());
if (drvPath != "")
mkString(*state.allocAttr(v, state.sDrvPath), i->queryDrvPath());
mkString(*state.allocAttr(v, state.sDrvPath), i.queryDrvPath());
// Copy each output.
DrvInfo::Outputs outputs = i->queryOutputs();
DrvInfo::Outputs outputs = i.queryOutputs();
Value & vOutputs = *state.allocAttr(v, state.sOutputs);
state.mkList(vOutputs, outputs.size());
unsigned int m = 0;
foreach (DrvInfo::Outputs::iterator, j, outputs) {
mkString(*(vOutputs.list.elems[m++] = state.allocValue()), j->first);
Value & vOutputs = *state.allocAttr(v, state.symbols.create(j->first));
for (auto & j : outputs) {
mkString(*(vOutputs.list.elems[m++] = state.allocValue()), j.first);
Value & vOutputs = *state.allocAttr(v, state.symbols.create(j.first));
state.mkAttrs(vOutputs, 2);
mkString(*state.allocAttr(vOutputs, state.sOutPath), j->second);
mkString(*state.allocAttr(vOutputs, state.sOutPath), j.second);
/* This is only necessary when installing store paths, e.g.,
`nix-env -i /nix/store/abcd...-foo'. */
store->addTempRoot(j->second);
store->ensurePath(j->second);
store->addTempRoot(j.second);
store->ensurePath(j.second);
references.insert(j->second);
references.insert(j.second);
}
// Copy the meta attributes.
Value & vMeta = *state.allocAttr(v, state.sMeta);
state.mkAttrs(vMeta, 16);
StringSet metaNames = i->queryMetaNames();
foreach (StringSet::iterator, j, metaNames) {
Value * v = i->queryMeta(*j);
StringSet metaNames = i.queryMetaNames();
for (auto & j : metaNames) {
Value * v = i.queryMeta(j);
if (!v) continue;
vMeta.attrs->push_back(Attr(state.symbols.create(*j), v));
vMeta.attrs->push_back(Attr(state.symbols.create(j), v));
}
vMeta.attrs->sort();
v.attrs->sort();

16
src/nix-instantiate/nix-instantiate.cc
View file

@ -45,8 +45,8 @@ void processExpr(EvalState & state, const Strings & attrPaths,
Value vRoot;
state.eval(e, vRoot);
foreach (Strings::const_iterator, i, attrPaths) {
Value & v(*findAlongAttrPath(state, *i, autoArgs, vRoot));
for (auto & i : attrPaths) {
Value & v(*findAlongAttrPath(state, i, autoArgs, vRoot));
state.forceValue(v);
PathSet context;
@ -67,11 +67,11 @@ void processExpr(EvalState & state, const Strings & attrPaths,
} else {
DrvInfos drvs;
getDerivations(state, v, "", autoArgs, drvs, false);
foreach (DrvInfos::iterator, i, drvs) {
Path drvPath = i->queryDrvPath();
for (auto & i : drvs) {
Path drvPath = i.queryDrvPath();
/* What output do we want? */
string outputName = i->queryOutputName();
string outputName = i.queryOutputName();
if (outputName == "")
throw Error(format("derivation ‘%1%’ lacks an ‘outputName’ attribute ") % drvPath);
@ -168,9 +168,9 @@ int main(int argc, char * * argv)
if (attrPaths.empty()) attrPaths.push_back("");
if (findFile) {
foreach (Strings::iterator, i, files) {
Path p = state.findFile(*i);
if (p == "") throw Error(format("unable to find ‘%1%’") % *i);
for (auto & i : files) {
Path p = state.findFile(i);
if (p == "") throw Error(format("unable to find ‘%1%’") % i);
std::cout << p << std::endl;
}
return;

290
src/nix-store/nix-store.cc
View file

@ -69,13 +69,13 @@ static PathSet realisePath(Path path, bool build = true)
rootNr++;
if (p.second.empty())
foreach (DerivationOutputs::iterator, i, drv.outputs) p.second.insert(i->first);
for (auto & i : drv.outputs) p.second.insert(i.first);
PathSet outputs;
foreach (StringSet::iterator, j, p.second) {
DerivationOutputs::iterator i = drv.outputs.find(*j);
for (auto & j : p.second) {
DerivationOutputs::iterator i = drv.outputs.find(j);
if (i == drv.outputs.end())
throw Error(format("derivation ‘%1%’ does not have an output named ‘%2%’") % p.first % *j);
throw Error(format("derivation ‘%1%’ does not have an output named ‘%2%’") % p.first % j);
Path outPath = i->second.path;
if (gcRoot == "")
printGCWarning();
@ -113,16 +113,16 @@ static void opRealise(Strings opFlags, Strings opArgs)
BuildMode buildMode = bmNormal;
bool ignoreUnknown = false;
foreach (Strings::iterator, i, opFlags)
if (*i == "--dry-run") dryRun = true;
else if (*i == "--repair") buildMode = bmRepair;
else if (*i == "--check") buildMode = bmCheck;
else if (*i == "--ignore-unknown") ignoreUnknown = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--dry-run") dryRun = true;
else if (i == "--repair") buildMode = bmRepair;
else if (i == "--check") buildMode = bmCheck;
else if (i == "--ignore-unknown") ignoreUnknown = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
Paths paths;
foreach (Strings::iterator, i, opArgs) {
DrvPathWithOutputs p = parseDrvPathWithOutputs(*i);
for (auto & i : opArgs) {
DrvPathWithOutputs p = parseDrvPathWithOutputs(i);
paths.push_back(makeDrvPathWithOutputs(followLinksToStorePath(p.first), p.second));
}
@ -133,8 +133,8 @@ static void opRealise(Strings opFlags, Strings opArgs)
if (ignoreUnknown) {
Paths paths2;
foreach (Paths::iterator, i, paths)
if (unknown.find(*i) == unknown.end()) paths2.push_back(*i);
for (auto & i : paths)
if (unknown.find(i) == unknown.end()) paths2.push_back(i);
paths = paths2;
unknown = PathSet();
}
@ -148,11 +148,11 @@ static void opRealise(Strings opFlags, Strings opArgs)
store->buildPaths(PathSet(paths.begin(), paths.end()), buildMode);
if (!ignoreUnknown)
foreach (Paths::iterator, i, paths) {
PathSet paths = realisePath(*i, false);
for (auto & i : paths) {
PathSet paths = realisePath(i, false);
if (!noOutput)
foreach (PathSet::iterator, j, paths)
cout << format("%1%\n") % *j;
for (auto & j : paths)
cout << format("%1%\n") % j;
}
}
@ -173,10 +173,9 @@ static void opAddFixed(Strings opFlags, Strings opArgs)
{
bool recursive = false;
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--recursive") recursive = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--recursive") recursive = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (opArgs.empty())
throw UsageError("first argument must be hash algorithm");
@ -194,10 +193,9 @@ static void opPrintFixedPath(Strings opFlags, Strings opArgs)
{
bool recursive = false;
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--recursive") recursive = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto i : opFlags)
if (i == "--recursive") recursive = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (opArgs.size() != 3)
throw UsageError(format("‘--print-fixed-path’ requires three arguments"));
@ -219,8 +217,8 @@ static PathSet maybeUseOutputs(const Path & storePath, bool useOutput, bool forc
if (useOutput && isDerivation(storePath)) {
Derivation drv = derivationFromPath(*store, storePath);
PathSet outputs;
foreach (DerivationOutputs::iterator, i, drv.outputs)
outputs.insert(i->second.path);
for (auto & i : drv.outputs)
outputs.insert(i.second.path);
return outputs;
}
else return singleton<PathSet>(storePath);
@ -257,8 +255,8 @@ static void printTree(const Path & path,
Paths sorted = topoSortPaths(*store, references);
reverse(sorted.begin(), sorted.end());
foreach (Paths::iterator, i, sorted) {
Paths::iterator j = i; ++j;
for (auto i = sorted.begin(); i != sorted.end(); ++i) {
auto j = i; ++j;
printTree(*i, tailPad + treeConn,
j == sorted.end() ? tailPad + treeNull : tailPad + treeLine,
done);
@ -279,34 +277,34 @@ static void opQuery(Strings opFlags, Strings opArgs)
bool forceRealise = false;
string bindingName;
foreach (Strings::iterator, i, opFlags) {
for (auto & i : opFlags) {
QueryType prev = query;
if (*i == "--outputs") query = qOutputs;
else if (*i == "--requisites" || *i == "-R") query = qRequisites;
else if (*i == "--references") query = qReferences;
else if (*i == "--referrers" || *i == "--referers") query = qReferrers;
else if (*i == "--referrers-closure" || *i == "--referers-closure") query = qReferrersClosure;
else if (*i == "--deriver" || *i == "-d") query = qDeriver;
else if (*i == "--binding" || *i == "-b") {
if (i == "--outputs") query = qOutputs;
else if (i == "--requisites" || i == "-R") query = qRequisites;
else if (i == "--references") query = qReferences;
else if (i == "--referrers" || i == "--referers") query = qReferrers;
else if (i == "--referrers-closure" || i == "--referers-closure") query = qReferrersClosure;
else if (i == "--deriver" || i == "-d") query = qDeriver;
else if (i == "--binding" || i == "-b") {
if (opArgs.size() == 0)
throw UsageError("expected binding name");
bindingName = opArgs.front();
opArgs.pop_front();
query = qBinding;
}
else if (*i == "--hash") query = qHash;
else if (*i == "--size") query = qSize;
else if (*i == "--tree") query = qTree;
else if (*i == "--graph") query = qGraph;
else if (*i == "--xml") query = qXml;
else if (*i == "--resolve") query = qResolve;
else if (*i == "--roots") query = qRoots;
else if (*i == "--use-output" || *i == "-u") useOutput = true;
else if (*i == "--force-realise" || *i == "--force-realize" || *i == "-f") forceRealise = true;
else if (*i == "--include-outputs") includeOutputs = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
else if (i == "--hash") query = qHash;
else if (i == "--size") query = qSize;
else if (i == "--tree") query = qTree;
else if (i == "--graph") query = qGraph;
else if (i == "--xml") query = qXml;
else if (i == "--resolve") query = qResolve;
else if (i == "--roots") query = qRoots;
else if (i == "--use-output" || i == "-u") useOutput = true;
else if (i == "--force-realise" || i == "--force-realize" || i == "-f") forceRealise = true;
else if (i == "--include-outputs") includeOutputs = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (prev != qDefault && prev != query)
throw UsageError(format("query type ‘%1%’ conflicts with earlier flag") % *i);
throw UsageError(format("query type ‘%1%’ conflicts with earlier flag") % i);
}
if (query == qDefault) query = qOutputs;
@ -316,12 +314,12 @@ static void opQuery(Strings opFlags, Strings opArgs)
switch (query) {
case qOutputs: {
foreach (Strings::iterator, i, opArgs) {
*i = followLinksToStorePath(*i);
if (forceRealise) realisePath(*i);
Derivation drv = derivationFromPath(*store, *i);
foreach (DerivationOutputs::iterator, j, drv.outputs)
cout << format("%1%\n") % j->second.path;
for (auto & i : opArgs) {
i = followLinksToStorePath(i);
if (forceRealise) realisePath(i);
Derivation drv = derivationFromPath(*store, i);
for (auto & j : drv.outputs)
cout << format("%1%\n") % j.second.path;
}
break;
}
@ -331,13 +329,13 @@ static void opQuery(Strings opFlags, Strings opArgs)
case qReferrers:
case qReferrersClosure: {
PathSet paths;
foreach (Strings::iterator, i, opArgs) {
PathSet ps = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise);
foreach (PathSet::iterator, j, ps) {
if (query == qRequisites) computeFSClosure(*store, *j, paths, false, includeOutputs);
else if (query == qReferences) store->queryReferences(*j, paths);
else if (query == qReferrers) store->queryReferrers(*j, paths);
else if (query == qReferrersClosure) computeFSClosure(*store, *j, paths, true);
for (auto & i : opArgs) {
PathSet ps = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise);
for (auto & j : ps) {
if (query == qRequisites) computeFSClosure(*store, j, paths, false, includeOutputs);
else if (query == qReferences) store->queryReferences(j, paths);
else if (query == qReferrers) store->queryReferrers(j, paths);
else if (query == qReferrersClosure) computeFSClosure(*store, j, paths, true);
}
}
Paths sorted = topoSortPaths(*store, paths);
@ -348,16 +346,16 @@ static void opQuery(Strings opFlags, Strings opArgs)
}
case qDeriver:
foreach (Strings::iterator, i, opArgs) {
Path deriver = store->queryDeriver(followLinksToStorePath(*i));
for (auto & i : opArgs) {
Path deriver = store->queryDeriver(followLinksToStorePath(i));
cout << format("%1%\n") %
(deriver == "" ? "unknown-deriver" : deriver);
}
break;
case qBinding:
foreach (Strings::iterator, i, opArgs) {
Path path = useDeriver(followLinksToStorePath(*i));
for (auto & i : opArgs) {
Path path = useDeriver(followLinksToStorePath(i));
Derivation drv = derivationFromPath(*store, path);
StringPairs::iterator j = drv.env.find(bindingName);
if (j == drv.env.end())
@ -369,10 +367,10 @@ static void opQuery(Strings opFlags, Strings opArgs)
case qHash:
case qSize:
foreach (Strings::iterator, i, opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise);
foreach (PathSet::iterator, j, paths) {
ValidPathInfo info = store->queryPathInfo(*j);
for (auto & i : opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise);
for (auto & j : paths) {
ValidPathInfo info = store->queryPathInfo(j);
if (query == qHash) {
assert(info.hash.type == htSHA256);
cout << format("sha256:%1%\n") % printHash32(info.hash);
@ -384,15 +382,15 @@ static void opQuery(Strings opFlags, Strings opArgs)
case qTree: {
PathSet done;
foreach (Strings::iterator, i, opArgs)
printTree(followLinksToStorePath(*i), "", "", done);
for (auto & i : opArgs)
printTree(followLinksToStorePath(i), "", "", done);
break;
}
case qGraph: {
PathSet roots;
foreach (Strings::iterator, i, opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise);
for (auto & i : opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise);
roots.insert(paths.begin(), paths.end());
}
printDotGraph(roots);
@ -401,8 +399,8 @@ static void opQuery(Strings opFlags, Strings opArgs)
case qXml: {
PathSet roots;
foreach (Strings::iterator, i, opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise);
for (auto & i : opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise);
roots.insert(paths.begin(), paths.end());
}
printXmlGraph(roots);
@ -410,23 +408,23 @@ static void opQuery(Strings opFlags, Strings opArgs)
}
case qResolve: {
foreach (Strings::iterator, i, opArgs)
cout << format("%1%\n") % followLinksToStorePath(*i);
for (auto & i : opArgs)
cout << format("%1%\n") % followLinksToStorePath(i);
break;
}
case qRoots: {
PathSet referrers;
foreach (Strings::iterator, i, opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(*i), useOutput, forceRealise);
foreach (PathSet::iterator, j, paths)
computeFSClosure(*store, *j, referrers, true,
for (auto & i : opArgs) {
PathSet paths = maybeUseOutputs(followLinksToStorePath(i), useOutput, forceRealise);
for (auto & j : paths)
computeFSClosure(*store, j, referrers, true,
settings.gcKeepOutputs, settings.gcKeepDerivations);
}
Roots roots = store->findRoots();
foreach (Roots::iterator, i, roots)
if (referrers.find(i->second) != referrers.end())
cout << format("%1%\n") % i->first;
for (auto & i : roots)
if (referrers.find(i.second) != referrers.end())
cout << format("%1%\n") % i.first;
break;
}
@ -439,8 +437,8 @@ static void opQuery(Strings opFlags, Strings opArgs)
static string shellEscape(const string & s)
{
string r;
foreach (string::const_iterator, i, s)
if (*i == '\'') r += "'\\''"; else r += *i;
for (auto & i : s)
if (i == '\'') r += "'\\''"; else r += i;
return r;
}
@ -455,15 +453,17 @@ static void opPrintEnv(Strings opFlags, Strings opArgs)
/* Print each environment variable in the derivation in a format
that can be sourced by the shell. */
foreach (StringPairs::iterator, i, drv.env)
cout << format("export %1%; %1%='%2%'\n") % i->first % shellEscape(i->second);
for (auto & i : drv.env)
cout << format("export %1%; %1%='%2%'\n") % i.first % shellEscape(i.second);
/* Also output the arguments. This doesn't preserve whitespace in
arguments. */
cout << "export _args; _args='";
foreach (Strings::iterator, i, drv.args) {
if (i != drv.args.begin()) cout << ' ';
cout << shellEscape(*i);
bool first = true;
for (auto & i : drv.args) {
if (!first) cout << ' ';
first = false;
cout << shellEscape(i);
}
cout << "'\n";
}
@ -475,8 +475,8 @@ static void opReadLog(Strings opFlags, Strings opArgs)
RunPager pager;
foreach (Strings::iterator, i, opArgs) {
Path path = useDeriver(followLinksToStorePath(*i));
for (auto & i : opArgs) {
Path path = useDeriver(followLinksToStorePath(i));
string baseName = baseNameOf(path);
bool found = false;
@ -547,8 +547,8 @@ static void opDumpDB(Strings opFlags, Strings opArgs)
if (!opArgs.empty())
throw UsageError("no arguments expected");
PathSet validPaths = store->queryAllValidPaths();
foreach (PathSet::iterator, i, validPaths)
cout << store->makeValidityRegistration(singleton<PathSet>(*i), true, true);
for (auto & i : validPaths)
cout << store->makeValidityRegistration(singleton<PathSet>(i), true, true);
}
@ -590,11 +590,10 @@ static void opRegisterValidity(Strings opFlags, Strings opArgs)
bool reregister = false; // !!! maybe this should be the default
bool hashGiven = false;
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--reregister") reregister = true;
else if (*i == "--hash-given") hashGiven = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--reregister") reregister = true;
else if (i == "--hash-given") hashGiven = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (!opArgs.empty()) throw UsageError("no arguments expected");
@ -606,15 +605,12 @@ static void opCheckValidity(Strings opFlags, Strings opArgs)
{
bool printInvalid = false;
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--print-invalid") printInvalid = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--print-invalid") printInvalid = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
for (Strings::iterator i = opArgs.begin();
i != opArgs.end(); ++i)
{
Path path = followLinksToStorePath(*i);
for (auto & i : opArgs) {
Path path = followLinksToStorePath(i);
if (!store->isValidPath(path)) {
if (printInvalid)
cout << format("%1%\n") % path;
@ -634,7 +630,7 @@ static void opGC(Strings opFlags, Strings opArgs)
GCResults results;
/* Do what? */
foreach (Strings::iterator, i, opFlags)
for (auto i = opFlags.begin(); i != opFlags.end(); ++i)
if (*i == "--print-roots") printRoots = true;
else if (*i == "--print-live") options.action = GCOptions::gcReturnLive;
else if (*i == "--print-dead") options.action = GCOptions::gcReturnDead;
@ -649,8 +645,8 @@ static void opGC(Strings opFlags, Strings opArgs)
if (printRoots) {
Roots roots = store->findRoots();
foreach (Roots::iterator, i, roots)
cout << i->first << " -> " << i->second << std::endl;
for (auto & i : roots)
cout << i.first << " -> " << i.second << std::endl;
}
else {
@ -658,8 +654,8 @@ static void opGC(Strings opFlags, Strings opArgs)
store->collectGarbage(options, results);
if (options.action != GCOptions::gcDeleteDead)
foreach (PathSet::iterator, i, results.paths)
cout << *i << std::endl;
for (auto & i : results.paths)
cout << i << std::endl;
}
}
@ -672,12 +668,12 @@ static void opDelete(Strings opFlags, Strings opArgs)
GCOptions options;
options.action = GCOptions::gcDeleteSpecific;
foreach (Strings::iterator, i, opFlags)
if (*i == "--ignore-liveness") options.ignoreLiveness = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--ignore-liveness") options.ignoreLiveness = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
foreach (Strings::iterator, i, opArgs)
options.pathsToDelete.insert(followLinksToStorePath(*i));
for (auto & i : opArgs)
options.pathsToDelete.insert(followLinksToStorePath(i));
GCResults results;
PrintFreed freed(true, results);
@ -713,10 +709,9 @@ static void opRestore(Strings opFlags, Strings opArgs)
static void opExport(Strings opFlags, Strings opArgs)
{
bool sign = false;
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--sign") sign = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--sign") sign = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
FdSink sink(STDOUT_FILENO);
Paths sorted = topoSortPaths(*store, PathSet(opArgs.begin(), opArgs.end()));
@ -728,17 +723,17 @@ static void opExport(Strings opFlags, Strings opArgs)
static void opImport(Strings opFlags, Strings opArgs)
{
bool requireSignature = false;
foreach (Strings::iterator, i, opFlags)
if (*i == "--require-signature") requireSignature = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--require-signature") requireSignature = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (!opArgs.empty()) throw UsageError("no arguments expected");
FdSource source(STDIN_FILENO);
Paths paths = store->importPaths(requireSignature, source);
foreach (Paths::iterator, i, paths)
cout << format("%1%\n") % *i << std::flush;
for (auto & i : paths)
cout << format("%1%\n") % i << std::flush;
}
@ -762,11 +757,10 @@ static void opVerify(Strings opFlags, Strings opArgs)
bool checkContents = false;
bool repair = false;
for (Strings::iterator i = opFlags.begin();
i != opFlags.end(); ++i)
if (*i == "--check-contents") checkContents = true;
else if (*i == "--repair") repair = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--check-contents") checkContents = true;
else if (i == "--repair") repair = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (store->verifyStore(checkContents, repair)) {
printMsg(lvlError, "warning: not all errors were fixed");
@ -783,8 +777,8 @@ static void opVerifyPath(Strings opFlags, Strings opArgs)
int status = 0;
foreach (Strings::iterator, i, opArgs) {
Path path = followLinksToStorePath(*i);
for (auto & i : opArgs) {
Path path = followLinksToStorePath(i);
printMsg(lvlTalkative, format("checking path ‘%1%’...") % path);
ValidPathInfo info = store->queryPathInfo(path);
HashResult current = hashPath(info.hash.type, path);
@ -807,8 +801,8 @@ static void opRepairPath(Strings opFlags, Strings opArgs)
if (!opFlags.empty())
throw UsageError("no flags expected");
foreach (Strings::iterator, i, opArgs) {
Path path = followLinksToStorePath(*i);
for (auto & i : opArgs) {
Path path = followLinksToStorePath(i);
ensureLocalStore().repairPath(path);
}
}
@ -828,8 +822,8 @@ static void opQueryFailedPaths(Strings opFlags, Strings opArgs)
if (!opArgs.empty() || !opFlags.empty())
throw UsageError("no arguments expected");
PathSet failed = store->queryFailedPaths();
foreach (PathSet::iterator, i, failed)
cout << format("%1%\n") % *i;
for (auto & i : failed)
cout << format("%1%\n") % i;
}
@ -845,9 +839,9 @@ static void opClearFailedPaths(Strings opFlags, Strings opArgs)
static void opServe(Strings opFlags, Strings opArgs)
{
bool writeAllowed = false;
foreach (Strings::iterator, i, opFlags)
if (*i == "--write") writeAllowed = true;
else throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
if (i == "--write") writeAllowed = true;
else throw UsageError(format("unknown flag ‘%1%’") % i);
if (!opArgs.empty()) throw UsageError("no arguments expected");
@ -919,10 +913,10 @@ static void opServe(Strings opFlags, Strings opArgs)
case cmdQueryPathInfos: {
PathSet paths = readStorePaths<PathSet>(in);
// !!! Maybe we want a queryPathInfos?
foreach (PathSet::iterator, i, paths) {
if (!store->isValidPath(*i))
for (auto & i : paths) {
if (!store->isValidPath(i))
continue;
ValidPathInfo info = store->queryPathInfo(*i);
ValidPathInfo info = store->queryPathInfo(i);
writeString(info.path, out);
writeString(info.deriver, out);
writeStrings(info.references, out);
@ -1012,8 +1006,8 @@ static void opServe(Strings opFlags, Strings opArgs)
static void opGenerateBinaryCacheKey(Strings opFlags, Strings opArgs)
{
foreach (Strings::iterator, i, opFlags)
throw UsageError(format("unknown flag ‘%1%’") % *i);
for (auto & i : opFlags)
throw UsageError(format("unknown flag ‘%1%’") % i);
if (opArgs.size() != 3) throw UsageError("three arguments expected");
auto i = opArgs.begin();