forked from lix-project/lix
Merge pull request #9047 from flox/tomberek.string_refactor
string Value refactor
This commit is contained in:
commit
13a9090ffc
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@ -922,7 +922,7 @@ std::ostream & NixRepl::printValue(std::ostream & str, Value & v, unsigned int m
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case nString:
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str << ANSI_WARNING;
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printLiteralString(str, v.string.s);
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printLiteralString(str, v.string_view());
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str << ANSI_NORMAL;
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break;
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@ -440,8 +440,8 @@ Value & AttrCursor::forceValue()
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if (root->db && (!cachedValue || std::get_if<placeholder_t>(&cachedValue->second))) {
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if (v.type() == nString)
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cachedValue = {root->db->setString(getKey(), v.string.s, v.string.context),
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string_t{v.string.s, {}}};
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cachedValue = {root->db->setString(getKey(), v.c_str(), v.context()),
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string_t{v.c_str(), {}}};
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else if (v.type() == nPath) {
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auto path = v.path().path;
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cachedValue = {root->db->setString(getKey(), path.abs()), string_t{path.abs(), {}}};
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@ -582,7 +582,7 @@ std::string AttrCursor::getString()
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if (v.type() != nString && v.type() != nPath)
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root->state.error("'%s' is not a string but %s", getAttrPathStr()).debugThrow<TypeError>();
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return v.type() == nString ? v.string.s : v.path().to_string();
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return v.type() == nString ? v.c_str() : v.path().to_string();
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}
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string_t AttrCursor::getStringWithContext()
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@ -624,7 +624,7 @@ string_t AttrCursor::getStringWithContext()
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if (v.type() == nString) {
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NixStringContext context;
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copyContext(v, context);
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return {v.string.s, std::move(context)};
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return {v.c_str(), std::move(context)};
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}
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else if (v.type() == nPath)
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return {v.path().to_string(), {}};
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@ -114,7 +114,7 @@ void Value::print(const SymbolTable &symbols, std::ostream &str,
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printLiteralBool(str, boolean);
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break;
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case tString:
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printLiteralString(str, string.s);
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printLiteralString(str, string_view());
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break;
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case tPath:
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str << path().to_string(); // !!! escaping?
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@ -339,7 +339,7 @@ static Symbol getName(const AttrName & name, EvalState & state, Env & env)
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Value nameValue;
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name.expr->eval(state, env, nameValue);
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state.forceStringNoCtx(nameValue, noPos, "while evaluating an attribute name");
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return state.symbols.create(nameValue.string.s);
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return state.symbols.create(nameValue.string_view());
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}
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}
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@ -1343,7 +1343,7 @@ void ExprAttrs::eval(EvalState & state, Env & env, Value & v)
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if (nameVal.type() == nNull)
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continue;
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state.forceStringNoCtx(nameVal, i.pos, "while evaluating the name of a dynamic attribute");
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auto nameSym = state.symbols.create(nameVal.string.s);
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auto nameSym = state.symbols.create(nameVal.string_view());
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Bindings::iterator j = v.attrs->find(nameSym);
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if (j != v.attrs->end())
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state.error("dynamic attribute '%1%' already defined at %2%", state.symbols[nameSym], state.positions[j->pos]).atPos(i.pos).withFrame(env, *this).debugThrow<EvalError>();
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@ -2155,7 +2155,7 @@ std::string_view EvalState::forceString(Value & v, const PosIdx pos, std::string
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forceValue(v, pos);
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if (v.type() != nString)
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error("value is %1% while a string was expected", showType(v)).debugThrow<TypeError>();
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return v.string.s;
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return v.string_view();
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} catch (Error & e) {
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e.addTrace(positions[pos], errorCtx);
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throw;
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@ -2182,8 +2182,8 @@ std::string_view EvalState::forceString(Value & v, NixStringContext & context, c
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std::string_view EvalState::forceStringNoCtx(Value & v, const PosIdx pos, std::string_view errorCtx)
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{
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auto s = forceString(v, pos, errorCtx);
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if (v.string.context) {
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error("the string '%1%' is not allowed to refer to a store path (such as '%2%')", v.string.s, v.string.context[0]).withTrace(pos, errorCtx).debugThrow<EvalError>();
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if (v.context()) {
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error("the string '%1%' is not allowed to refer to a store path (such as '%2%')", v.string_view(), v.context()[0]).withTrace(pos, errorCtx).debugThrow<EvalError>();
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}
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return s;
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}
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@ -2196,7 +2196,7 @@ bool EvalState::isDerivation(Value & v)
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if (i == v.attrs->end()) return false;
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forceValue(*i->value, i->pos);
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if (i->value->type() != nString) return false;
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return strcmp(i->value->string.s, "derivation") == 0;
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return i->value->string_view().compare("derivation") == 0;
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}
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@ -2228,7 +2228,7 @@ BackedStringView EvalState::coerceToString(
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if (v.type() == nString) {
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copyContext(v, context);
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return std::string_view(v.string.s);
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return v.string_view();
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}
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if (v.type() == nPath) {
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@ -2426,7 +2426,7 @@ bool EvalState::eqValues(Value & v1, Value & v2, const PosIdx pos, std::string_v
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return v1.boolean == v2.boolean;
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case nString:
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return strcmp(v1.string.s, v2.string.s) == 0;
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return v1.string_view().compare(v2.string_view()) == 0;
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case nPath:
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return strcmp(v1._path, v2._path) == 0;
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@ -113,7 +113,7 @@ static FlakeInput parseFlakeInput(EvalState & state,
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try {
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if (attr.name == sUrl) {
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expectType(state, nString, *attr.value, attr.pos);
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url = attr.value->string.s;
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url = attr.value->string_view();
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attrs.emplace("url", *url);
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} else if (attr.name == sFlake) {
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expectType(state, nBool, *attr.value, attr.pos);
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@ -122,7 +122,7 @@ static FlakeInput parseFlakeInput(EvalState & state,
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input.overrides = parseFlakeInputs(state, attr.value, attr.pos, baseDir, lockRootPath);
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} else if (attr.name == sFollows) {
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expectType(state, nString, *attr.value, attr.pos);
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auto follows(parseInputPath(attr.value->string.s));
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auto follows(parseInputPath(attr.value->c_str()));
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follows.insert(follows.begin(), lockRootPath.begin(), lockRootPath.end());
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input.follows = follows;
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} else {
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@ -131,7 +131,7 @@ static FlakeInput parseFlakeInput(EvalState & state,
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#pragma GCC diagnostic ignored "-Wswitch-enum"
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switch (attr.value->type()) {
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case nString:
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attrs.emplace(state.symbols[attr.name], attr.value->string.s);
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attrs.emplace(state.symbols[attr.name], attr.value->c_str());
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break;
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case nBool:
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attrs.emplace(state.symbols[attr.name], Explicit<bool> { attr.value->boolean });
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@ -229,7 +229,7 @@ static Flake getFlake(
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if (auto description = vInfo.attrs->get(state.sDescription)) {
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expectType(state, nString, *description->value, description->pos);
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flake.description = description->value->string.s;
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flake.description = description->value->c_str();
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}
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auto sInputs = state.symbols.create("inputs");
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@ -850,7 +850,7 @@ static void prim_flakeRefToString(
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Explicit<bool> { attr.value->boolean });
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} else if (t == nString) {
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attrs.emplace(state.symbols[attr.name],
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std::string(attr.value->str()));
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std::string(attr.value->string_view()));
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} else {
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state.error(
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"flake reference attribute sets may only contain integers, Booleans, "
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@ -156,7 +156,7 @@ DrvInfo::Outputs DrvInfo::queryOutputs(bool withPaths, bool onlyOutputsToInstall
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Outputs result;
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for (auto elem : outTI->listItems()) {
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if (elem->type() != nString) throw errMsg;
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auto out = outputs.find(elem->string.s);
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auto out = outputs.find(elem->c_str());
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if (out == outputs.end()) throw errMsg;
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result.insert(*out);
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}
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@ -230,7 +230,7 @@ std::string DrvInfo::queryMetaString(const std::string & name)
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{
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Value * v = queryMeta(name);
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if (!v || v->type() != nString) return "";
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return v->string.s;
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return v->c_str();
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}
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@ -242,7 +242,7 @@ NixInt DrvInfo::queryMetaInt(const std::string & name, NixInt def)
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if (v->type() == nString) {
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/* Backwards compatibility with before we had support for
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integer meta fields. */
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if (auto n = string2Int<NixInt>(v->string.s))
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if (auto n = string2Int<NixInt>(v->c_str()))
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return *n;
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}
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return def;
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@ -256,7 +256,7 @@ NixFloat DrvInfo::queryMetaFloat(const std::string & name, NixFloat def)
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if (v->type() == nString) {
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/* Backwards compatibility with before we had support for
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float meta fields. */
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if (auto n = string2Float<NixFloat>(v->string.s))
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if (auto n = string2Float<NixFloat>(v->c_str()))
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return *n;
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}
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return def;
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@ -271,8 +271,8 @@ bool DrvInfo::queryMetaBool(const std::string & name, bool def)
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if (v->type() == nString) {
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/* Backwards compatibility with before we had support for
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Boolean meta fields. */
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if (strcmp(v->string.s, "true") == 0) return true;
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if (strcmp(v->string.s, "false") == 0) return false;
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if (v->string_view() == "true") return true;
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if (v->string_view() == "false") return false;
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}
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return def;
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}
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@ -590,7 +590,7 @@ struct CompareValues
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case nFloat:
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return v1->fpoint < v2->fpoint;
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case nString:
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return strcmp(v1->string.s, v2->string.s) < 0;
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return v1->string_view().compare(v2->string_view()) < 0;
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case nPath:
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return strcmp(v1->_path, v2->_path) < 0;
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case nList:
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@ -982,7 +982,7 @@ static void prim_trace(EvalState & state, const PosIdx pos, Value * * args, Valu
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{
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state.forceValue(*args[0], pos);
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if (args[0]->type() == nString)
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printError("trace: %1%", args[0]->string.s);
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printError("trace: %1%", args[0]->string_view());
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else
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printError("trace: %1%", printValue(state, *args[0]));
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state.forceValue(*args[1], pos);
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@ -1528,7 +1528,7 @@ static void prim_pathExists(EvalState & state, const PosIdx pos, Value * * args,
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auto path = realisePath(state, pos, arg, { .checkForPureEval = false });
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/* SourcePath doesn't know about trailing slash. */
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auto mustBeDir = arg.type() == nString && arg.str().ends_with("/");
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auto mustBeDir = arg.type() == nString && arg.string_view().ends_with("/");
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try {
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auto checked = state.checkSourcePath(path);
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@ -2400,7 +2400,7 @@ static void prim_attrNames(EvalState & state, const PosIdx pos, Value * * args,
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(v.listElems()[n++] = state.allocValue())->mkString(state.symbols[i.name]);
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std::sort(v.listElems(), v.listElems() + n,
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[](Value * v1, Value * v2) { return strcmp(v1->string.s, v2->string.s) < 0; });
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[](Value * v1, Value * v2) { return v1->string_view().compare(v2->string_view()) < 0; });
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}
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static RegisterPrimOp primop_attrNames({
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@ -2541,7 +2541,7 @@ static void prim_removeAttrs(EvalState & state, const PosIdx pos, Value * * args
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names.reserve(args[1]->listSize());
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for (auto elem : args[1]->listItems()) {
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state.forceStringNoCtx(*elem, pos, "while evaluating the values of the second argument passed to builtins.removeAttrs");
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names.emplace_back(state.symbols.create(elem->string.s), nullptr);
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names.emplace_back(state.symbols.create(elem->string_view()), nullptr);
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}
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std::sort(names.begin(), names.end());
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@ -133,7 +133,7 @@ static void prim_fetchClosure(EvalState & state, const PosIdx pos, Value * * arg
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else if (attrName == "toPath") {
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state.forceValue(*attr.value, attr.pos);
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bool isEmptyString = attr.value->type() == nString && attr.value->string.s == std::string("");
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bool isEmptyString = attr.value->type() == nString && attr.value->string_view() == "";
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if (isEmptyString) {
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toPath = StorePathOrGap {};
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}
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@ -71,7 +71,7 @@ namespace nix {
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if (arg.type() != nString) {
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return false;
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}
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return std::string_view(arg.string.s) == s;
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return std::string_view(arg.c_str()) == s;
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}
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MATCHER_P(IsIntEq, v, fmt("The string is equal to \"%1%\"", v)) {
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@ -106,8 +106,8 @@ namespace nix {
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if (arg.type() != nPath) {
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*result_listener << "Expected a path got " << arg.type();
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return false;
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} else if (std::string_view(arg.string.s) != p) {
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*result_listener << "Expected a path that equals \"" << p << "\" but got: " << arg.string.s;
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} else if (std::string_view(arg._path) != p) {
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*result_listener << "Expected a path that equals \"" << p << "\" but got: " << arg.c_str();
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return false;
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}
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return true;
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@ -711,14 +711,14 @@ namespace nix {
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// FIXME: add a test that verifies the string context is as expected
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auto v = eval("builtins.replaceStrings [\"oo\" \"a\"] [\"a\" \"i\"] \"foobar\"");
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ASSERT_EQ(v.type(), nString);
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ASSERT_EQ(v.string.s, std::string_view("fabir"));
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ASSERT_EQ(v.string_view(), "fabir");
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}
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TEST_F(PrimOpTest, concatStringsSep) {
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// FIXME: add a test that verifies the string context is as expected
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auto v = eval("builtins.concatStringsSep \"%\" [\"foo\" \"bar\" \"baz\"]");
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ASSERT_EQ(v.type(), nString);
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ASSERT_EQ(std::string_view(v.string.s), "foo%bar%baz");
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ASSERT_EQ(v.string_view(), "foo%bar%baz");
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}
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TEST_F(PrimOpTest, split1) {
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@ -31,7 +31,7 @@ json printValueAsJSON(EvalState & state, bool strict,
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case nString:
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copyContext(v, context);
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out = v.string.s;
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out = v.c_str();
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break;
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case nPath:
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|
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@ -74,7 +74,7 @@ static void printValueAsXML(EvalState & state, bool strict, bool location,
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case nString:
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/* !!! show the context? */
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copyContext(v, context);
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doc.writeEmptyElement("string", singletonAttrs("value", v.string.s));
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doc.writeEmptyElement("string", singletonAttrs("value", v.c_str()));
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break;
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case nPath:
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|
@ -96,14 +96,14 @@ static void printValueAsXML(EvalState & state, bool strict, bool location,
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if (a != v.attrs->end()) {
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if (strict) state.forceValue(*a->value, a->pos);
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if (a->value->type() == nString)
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xmlAttrs["drvPath"] = drvPath = a->value->string.s;
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xmlAttrs["drvPath"] = drvPath = a->value->c_str();
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}
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a = v.attrs->find(state.sOutPath);
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if (a != v.attrs->end()) {
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if (strict) state.forceValue(*a->value, a->pos);
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if (a->value->type() == nString)
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xmlAttrs["outPath"] = a->value->string.s;
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xmlAttrs["outPath"] = a->value->c_str();
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}
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XMLOpenElement _(doc, "derivation", xmlAttrs);
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|
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@ -186,10 +186,9 @@ public:
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* For canonicity, the store paths should be in sorted order.
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*/
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struct {
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const char * s;
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const char * c_str;
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const char * * context; // must be in sorted order
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} string;
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const char * _path;
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Bindings * attrs;
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struct {
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|
@ -270,7 +269,7 @@ public:
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inline void mkString(const char * s, const char * * context = 0)
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{
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internalType = tString;
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string.s = s;
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string.c_str = s;
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string.context = context;
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}
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|
@ -441,10 +440,21 @@ public:
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return SourcePath{CanonPath(_path)};
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}
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std::string_view str() const
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std::string_view string_view() const
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{
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assert(internalType == tString);
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return std::string_view(string.s);
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return std::string_view(string.c_str);
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}
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const char * const c_str() const
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{
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assert(internalType == tString);
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return string.c_str;
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}
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const char * * context() const
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{
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return string.context;
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}
|
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};
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|
|
|
@ -1228,7 +1228,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
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else {
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if (v->type() == nString) {
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attrs2["type"] = "string";
|
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attrs2["value"] = v->string.s;
|
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attrs2["value"] = v->c_str();
|
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xml.writeEmptyElement("meta", attrs2);
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} else if (v->type() == nInt) {
|
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attrs2["type"] = "int";
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||||
|
@ -1248,7 +1248,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
|
|||
for (auto elem : v->listItems()) {
|
||||
if (elem->type() != nString) continue;
|
||||
XMLAttrs attrs3;
|
||||
attrs3["value"] = elem->string.s;
|
||||
attrs3["value"] = elem->c_str();
|
||||
xml.writeEmptyElement("string", attrs3);
|
||||
}
|
||||
} else if (v->type() == nAttrs) {
|
||||
|
@ -1260,7 +1260,7 @@ static void opQuery(Globals & globals, Strings opFlags, Strings opArgs)
|
|||
if(a.value->type() != nString) continue;
|
||||
XMLAttrs attrs3;
|
||||
attrs3["type"] = globals.state->symbols[i.name];
|
||||
attrs3["value"] = a.value->string.s;
|
||||
attrs3["value"] = a.value->c_str();
|
||||
xml.writeEmptyElement("string", attrs3);
|
||||
}
|
||||
}
|
||||
|
|
|
@ -85,7 +85,7 @@ struct CmdEval : MixJSON, InstallableValueCommand, MixReadOnlyOption
|
|||
state->forceValue(v, pos);
|
||||
if (v.type() == nString)
|
||||
// FIXME: disallow strings with contexts?
|
||||
writeFile(path, v.string.s);
|
||||
writeFile(path, v.string_view());
|
||||
else if (v.type() == nAttrs) {
|
||||
if (mkdir(path.c_str(), 0777) == -1)
|
||||
throw SysError("creating directory '%s'", path);
|
||||
|
|
Loading…
Reference in a new issue