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Origin: Use SourcePath

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This commit is contained in:
Eelco Dolstra 2023-04-06 15:25:06 +02:00
parent 94812cca98
commit a9759407e5
9 changed files with 22 additions and 23 deletions
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4
src/libcmd/repl.cc
View file

@ -594,8 +594,8 @@ bool NixRepl::processLine(std::string line)
return {path, 0};
} else if (v.isLambda()) {
auto pos = state->positions[v.lambda.fun->pos];
if (auto path = std::get_if<Path>(&pos.origin))
return {SourcePath(CanonPath(*path)), pos.line};
if (auto path = std::get_if<SourcePath>(&pos.origin))
return {*path, pos.line};
else
throw Error("'%s' cannot be shown in an editor", pos);
} else {

17
src/libexpr/eval.cc
View file

@ -499,6 +499,7 @@ EvalState::EvalState(
, sOutputSpecified(symbols.create("outputSpecified"))
, repair(NoRepair)
, emptyBindings(0)
, derivationInternal(rootPath(CanonPath("/builtin/derivation.nix")))
, store(store)
, buildStore(buildStore ? buildStore : store)
, debugRepl(nullptr)
@ -991,9 +992,9 @@ void EvalState::mkThunk_(Value & v, Expr * expr)
void EvalState::mkPos(Value & v, PosIdx p)
{
auto pos = positions[p];
if (auto path = std::get_if<Path>(&pos.origin)) {
if (auto path = std::get_if<SourcePath>(&pos.origin)) {
auto attrs = buildBindings(3);
attrs.alloc(sFile).mkString(*path);
attrs.alloc(sFile).mkString(path->path.abs());
attrs.alloc(sLine).mkInt(pos.line);
attrs.alloc(sColumn).mkInt(pos.column);
v.mkAttrs(attrs);
@ -1373,8 +1374,8 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
} catch (Error & e) {
if (pos2) {
auto pos2r = state.positions[pos2];
auto origin = std::get_if<Path>(&pos2r.origin);
if (!(origin && *origin == state.derivationNixPath))
auto origin = std::get_if<SourcePath>(&pos2r.origin);
if (!(origin && *origin == state.derivationInternal))
state.addErrorTrace(e, pos2, "while evaluating the attribute '%1%'",
showAttrPath(state, env, attrPath));
}
@ -2417,8 +2418,8 @@ void EvalState::printStats()
else
obj["name"] = nullptr;
if (auto pos = positions[fun->pos]) {
if (auto path = std::get_if<Path>(&pos.origin))
obj["file"] = *path;
if (auto path = std::get_if<SourcePath>(&pos.origin))
obj["file"] = path->to_string();
obj["line"] = pos.line;
obj["column"] = pos.column;
}
@ -2432,8 +2433,8 @@ void EvalState::printStats()
for (auto & i : attrSelects) {
json obj = json::object();
if (auto pos = positions[i.first]) {
if (auto path = std::get_if<Path>(&pos.origin))
obj["file"] = *path;
if (auto path = std::get_if<SourcePath>(&pos.origin))
obj["file"] = path->to_string();
obj["line"] = pos.line;
obj["column"] = pos.column;
}

5
src/libexpr/eval.hh
View file

@ -127,8 +127,6 @@ public:
SymbolTable symbols;
PosTable positions;
static inline std::string derivationNixPath = "//builtin/derivation.nix";
const Symbol sWith, sOutPath, sDrvPath, sType, sMeta, sName, sValue,
sSystem, sOverrides, sOutputs, sOutputName, sIgnoreNulls,
sFile, sLine, sColumn, sFunctor, sToString,
@ -139,7 +137,6 @@ public:
sDescription, sSelf, sEpsilon, sStartSet, sOperator, sKey, sPath,
sPrefix,
sOutputSpecified;
Symbol sDerivationNix;
/* If set, force copying files to the Nix store even if they
already exist there. */
@ -151,6 +148,8 @@ public:
Bindings emptyBindings;
const SourcePath derivationInternal;
/* Store used to materialise .drv files. */
const ref<Store> store;

2
src/libexpr/flake/flake.cc
View file

@ -220,7 +220,7 @@ static Flake getFlake(
Value vInfo;
state.evalFile(CanonPath(flakeFile), vInfo, true); // FIXME: symlink attack
expectType(state, nAttrs, vInfo, state.positions.add({flakeFile}, 1, 1));
expectType(state, nAttrs, vInfo, state.positions.add({CanonPath(flakeFile)}, 1, 1));
if (auto description = vInfo.attrs->get(state.sDescription)) {
expectType(state, nString, *description->value, description->pos);

6
src/libexpr/nixexpr.cc
View file

@ -31,9 +31,9 @@ struct PosAdapter : AbstractPos
// Get rid of the null terminators added by the parser.
return std::string(s.source->c_str());
},
[](const Path & path) -> std::optional<std::string> {
[](const SourcePath & path) -> std::optional<std::string> {
try {
return readFile(path);
return path.readFile();
} catch (Error &) {
return std::nullopt;
}
@ -47,7 +47,7 @@ struct PosAdapter : AbstractPos
[&](const Pos::none_tag &) { out << "«none»"; },
[&](const Pos::Stdin &) { out << "«stdin»"; },
[&](const Pos::String & s) { out << "«string»"; },
[&](const Path & path) { out << path; }
[&](const SourcePath & path) { out << path; }
}, origin);
}
};

2
src/libexpr/nixexpr.hh
View file

@ -32,7 +32,7 @@ struct Pos
struct Stdin { ref<std::string> source; };
struct String { ref<std::string> source; };
typedef std::variant<none_tag, Stdin, String, Path> Origin;
typedef std::variant<none_tag, Stdin, String, SourcePath> Origin;
Origin origin;

2
src/libexpr/parser.y
View file

@ -700,7 +700,7 @@ Expr * EvalState::parseExprFromFile(const SourcePath & path, std::shared_ptr<Sta
auto buffer = path.readFile();
// readFile hopefully have left some extra space for terminators
buffer.append("\0\0", 2);
return parse(buffer.data(), buffer.size(), path.path.abs(), path.parent(), staticEnv);
return parse(buffer.data(), buffer.size(), Pos::Origin(path), path.parent(), staticEnv);
}

3
src/libexpr/primops.cc
View file

@ -4136,7 +4136,6 @@ void EvalState::createBaseEnv()
/* Add a wrapper around the derivation primop that computes the
`drvPath' and `outPath' attributes lazily. */
sDerivationNix = symbols.create(derivationNixPath);
auto vDerivation = allocValue();
addConstant("derivation", vDerivation);
@ -4153,7 +4152,7 @@ void EvalState::createBaseEnv()
// the parser needs two NUL bytes as terminators; one of them
// is implied by being a C string.
"\0";
eval(parse(code, sizeof(code), derivationNixPath, {CanonPath::root}, staticBaseEnv), *vDerivation);
eval(parse(code, sizeof(code), derivationInternal, {CanonPath::root}, staticBaseEnv), *vDerivation);
}

4
src/libexpr/value-to-xml.cc
View file

@ -24,8 +24,8 @@ static void printValueAsXML(EvalState & state, bool strict, bool location,
static void posToXML(EvalState & state, XMLAttrs & xmlAttrs, const Pos & pos)
{
if (auto path = std::get_if<Path>(&pos.origin))
xmlAttrs["path"] = *path;
if (auto path = std::get_if<SourcePath>(&pos.origin))
xmlAttrs["path"] = path->path.abs();
xmlAttrs["line"] = fmt("%1%", pos.line);
xmlAttrs["column"] = fmt("%1%", pos.column);
}