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Remove std::string alias (for real this time)

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Also use std::string_view in a few more places.
This commit is contained in:
Eelco Dolstra 2022-02-25 16:00:00 +01:00
parent 14b38d0887
commit df552ff53e
110 changed files with 773 additions and 681 deletions
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66
src/libexpr/eval.cc
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@ -174,7 +174,7 @@ std::ostream & operator << (std::ostream & str, const Value & v)
}
const Value *getPrimOp(const Value &v) {
const Value * getPrimOp(const Value &v) {
const Value * primOp = &v;
while (primOp->isPrimOpApp()) {
primOp = primOp->primOpApp.left;
@ -183,7 +183,7 @@ const Value *getPrimOp(const Value &v) {
return primOp;
}
string showType(ValueType type)
std::string_view showType(ValueType type)
{
switch (type) {
case nInt: return "an integer";
@ -202,20 +202,20 @@ string showType(ValueType type)
}
string showType(const Value & v)
std::string showType(const Value & v)
{
switch (v.internalType) {
case tString: return v.string.context ? "a string with context" : "a string";
case tPrimOp:
return fmt("the built-in function '%s'", string(v.primOp->name));
return fmt("the built-in function '%s'", std::string(v.primOp->name));
case tPrimOpApp:
return fmt("the partially applied built-in function '%s'", string(getPrimOp(v)->primOp->name));
return fmt("the partially applied built-in function '%s'", std::string(getPrimOp(v)->primOp->name));
case tExternal: return v.external->showType();
case tThunk: return "a thunk";
case tApp: return "a function application";
case tBlackhole: return "a black hole";
default:
return showType(v.type());
return std::string(showType(v.type()));
}
}
@ -356,7 +356,7 @@ void initGC()
/* Very hacky way to parse $NIX_PATH, which is colon-separated, but
can contain URLs (e.g. "nixpkgs=https://bla...:foo=https://"). */
static Strings parseNixPath(const string & s)
static Strings parseNixPath(const std::string & s)
{
Strings res;
@ -606,7 +606,7 @@ Path EvalState::toRealPath(const Path & path, const PathSet & context)
}
Value * EvalState::addConstant(const string & name, Value & v)
Value * EvalState::addConstant(const std::string & name, Value & v)
{
Value * v2 = allocValue();
*v2 = v;
@ -615,19 +615,19 @@ Value * EvalState::addConstant(const string & name, Value & v)
}
void EvalState::addConstant(const string & name, Value * v)
void EvalState::addConstant(const std::string & name, Value * v)
{
staticBaseEnv.vars.emplace_back(symbols.create(name), baseEnvDispl);
baseEnv.values[baseEnvDispl++] = v;
string name2 = string(name, 0, 2) == "__" ? string(name, 2) : name;
auto name2 = name.substr(0, 2) == "__" ? name.substr(2) : name;
baseEnv.values[0]->attrs->push_back(Attr(symbols.create(name2), v));
}
Value * EvalState::addPrimOp(const string & name,
Value * EvalState::addPrimOp(const std::string & name,
size_t arity, PrimOpFun primOp)
{
auto name2 = string(name, 0, 2) == "__" ? string(name, 2) : name;
auto name2 = name.substr(0, 2) == "__" ? name.substr(2) : name;
Symbol sym = symbols.create(name2);
/* Hack to make constants lazy: turn them into a application of
@ -675,7 +675,7 @@ Value * EvalState::addPrimOp(PrimOp && primOp)
}
Value & EvalState::getBuiltin(const string & name)
Value & EvalState::getBuiltin(const std::string & name)
{
return *baseEnv.values[0]->attrs->find(symbols.create(name))->value;
}
@ -703,12 +703,12 @@ std::optional<EvalState::Doc> EvalState::getDoc(Value & v)
evaluator. So here are some helper functions for throwing
exceptions. */
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2))
LocalNoInlineNoReturn(void throwEvalError(const char * s, const std::string & s2))
{
throw EvalError(s, s2);
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const string & s2))
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const std::string & s2))
{
throw EvalError({
.msg = hintfmt(s, s2),
@ -716,12 +716,12 @@ LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const
});
}
LocalNoInlineNoReturn(void throwEvalError(const char * s, const string & s2, const string & s3))
LocalNoInlineNoReturn(void throwEvalError(const char * s, const std::string & s2, const std::string & s3))
{
throw EvalError(s, s2, s3);
}
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const string & s2, const string & s3))
LocalNoInlineNoReturn(void throwEvalError(const Pos & pos, const char * s, const std::string & s2, const std::string & s3))
{
throw EvalError({
.msg = hintfmt(s, s2, s3),
@ -759,7 +759,7 @@ LocalNoInlineNoReturn(void throwTypeError(const char * s, const Value & v))
throw TypeError(s, showType(v));
}
LocalNoInlineNoReturn(void throwAssertionError(const Pos & pos, const char * s, const string & s1))
LocalNoInlineNoReturn(void throwAssertionError(const Pos & pos, const char * s, const std::string & s1))
{
throw AssertionError({
.msg = hintfmt(s, s1),
@ -767,7 +767,7 @@ LocalNoInlineNoReturn(void throwAssertionError(const Pos & pos, const char * s,
});
}
LocalNoInlineNoReturn(void throwUndefinedVarError(const Pos & pos, const char * s, const string & s1))
LocalNoInlineNoReturn(void throwUndefinedVarError(const Pos & pos, const char * s, const std::string & s1))
{
throw UndefinedVarError({
.msg = hintfmt(s, s1),
@ -775,7 +775,7 @@ LocalNoInlineNoReturn(void throwUndefinedVarError(const Pos & pos, const char *
});
}
LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char * s, const string & s1))
LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char * s, const std::string & s1))
{
throw MissingArgumentError({
.msg = hintfmt(s, s1),
@ -783,12 +783,12 @@ LocalNoInlineNoReturn(void throwMissingArgumentError(const Pos & pos, const char
});
}
LocalNoInline(void addErrorTrace(Error & e, const char * s, const string & s2))
LocalNoInline(void addErrorTrace(Error & e, const char * s, const std::string & s2))
{
e.addTrace(std::nullopt, s, s2);
}
LocalNoInline(void addErrorTrace(Error & e, const Pos & pos, const char * s, const string & s2))
LocalNoInline(void addErrorTrace(Error & e, const Pos & pos, const char * s, const std::string & s2))
{
e.addTrace(pos, s, s2);
}
@ -1221,7 +1221,7 @@ void ExprVar::eval(EvalState & state, Env & env, Value & v)
}
static string showAttrPath(EvalState & state, Env & env, const AttrPath & attrPath)
static std::string showAttrPath(EvalState & state, Env & env, const AttrPath & attrPath)
{
std::ostringstream out;
bool first = true;
@ -1395,7 +1395,7 @@ void EvalState::callFunction(Value & fun, size_t nrArgs, Value * * args, Value &
if (loggerSettings.showTrace.get()) {
addErrorTrace(e, lambda.pos, "while evaluating %s",
(lambda.name.set()
? "'" + (string) lambda.name + "'"
? "'" + (const std::string &) lambda.name + "'"
: "anonymous lambda"));
addErrorTrace(e, pos, "from call site%s", "");
}
@ -1883,7 +1883,7 @@ std::string_view EvalState::forceString(Value & v, const Pos & pos)
/* Decode a context string ‘!<name>!<path>’ into a pair <path,
name>. */
std::pair<string, string> decodeContext(std::string_view s)
std::pair<std::string, std::string> decodeContext(std::string_view s)
{
if (s.at(0) == '!') {
size_t index = s.find("!", 1);
@ -1946,7 +1946,7 @@ bool EvalState::isDerivation(Value & v)
}
std::optional<string> EvalState::tryAttrsToString(const Pos & pos, Value & v,
std::optional<std::string> EvalState::tryAttrsToString(const Pos & pos, Value & v,
PathSet & context, bool coerceMore, bool copyToStore)
{
auto i = v.attrs->find(sToString);
@ -2001,7 +2001,7 @@ BackedStringView EvalState::coerceToString(const Pos & pos, Value & v, PathSet &
if (v.type() == nNull) return "";
if (v.isList()) {
string result;
std::string result;
for (auto [n, v2] : enumerate(v.listItems())) {
result += *coerceToString(pos, *v2, context, coerceMore, copyToStore);
if (n < v.listSize() - 1
@ -2017,7 +2017,7 @@ BackedStringView EvalState::coerceToString(const Pos & pos, Value & v, PathSet &
}
string EvalState::copyPathToStore(PathSet & context, const Path & path)
std::string EvalState::copyPathToStore(PathSet & context, const Path & path)
{
if (nix::isDerivation(path))
throwEvalError("file names are not allowed to end in '%1%'", drvExtension);
@ -2043,7 +2043,7 @@ string EvalState::copyPathToStore(PathSet & context, const Path & path)
Path EvalState::coerceToPath(const Pos & pos, Value & v, PathSet & context)
{
string path = coerceToString(pos, v, context, false, false).toOwned();
auto path = coerceToString(pos, v, context, false, false).toOwned();
if (path == "" || path[0] != '/')
throwEvalError(pos, "string '%1%' doesn't represent an absolute path", path);
return path;
@ -2213,11 +2213,11 @@ void EvalState::printStats()
for (auto & i : functionCalls) {
auto obj = list.object();
if (i.first->name.set())
obj.attr("name", (const string &) i.first->name);
obj.attr("name", (const std::string &) i.first->name);
else
obj.attr("name", nullptr);
if (i.first->pos) {
obj.attr("file", (const string &) i.first->pos.file);
obj.attr("file", (const std::string &) i.first->pos.file);
obj.attr("line", i.first->pos.line);
obj.attr("column", i.first->pos.column);
}
@ -2229,7 +2229,7 @@ void EvalState::printStats()
for (auto & i : attrSelects) {
auto obj = list.object();
if (i.first) {
obj.attr("file", (const string &) i.first.file);
obj.attr("file", (const std::string &) i.first.file);
obj.attr("line", i.first.line);
obj.attr("column", i.first.column);
}
@ -2246,7 +2246,7 @@ void EvalState::printStats()
}
string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore) const
std::string ExternalValueBase::coerceToString(const Pos & pos, PathSet & context, bool copyMore, bool copyToStore) const
{
throw TypeError({
.msg = hintfmt("cannot coerce %1% to a string", showType()),