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libexpr: Add and use pathStr getter

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This commit is contained in:
Sergei Zimmerman 2025-06-12 19:57:46 +00:00
parent c041d71406
commit e4df189123
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GPG key ID: A9B0B557CA632325
4 changed files with 9 additions and 6 deletions
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2
src/libexpr-c/nix_api_value.cc
View file

@ -252,7 +252,7 @@ const char * nix_get_path_string(nix_c_context * context, const nix_value * valu
// We could use v.path().to_string().c_str(), but I'm concerned this
// crashes. Looks like .path() allocates a CanonPath with a copy of the
// string, then it gets the underlying data from that.
return v.payload.path.path;
return v.pathStr();
}
NIXC_CATCH_ERRS_NULL
}

6
src/libexpr/eval.cc
View file

@ -2368,7 +2368,7 @@ BackedStringView EvalState::coerceToString(
!canonicalizePath && !copyToStore
? // FIXME: hack to preserve path literals that end in a
// slash, as in /foo/${x}.
v.payload.path.path
v.pathStr()
: copyToStore
? store->printStorePath(copyPathToStore(context, v.path()))
: std::string(v.path().path.abs());
@ -2643,7 +2643,7 @@ void EvalState::assertEqValues(Value & v1, Value & v2, const PosIdx pos, std::st
ValuePrinter(*this, v2, errorPrintOptions))
.debugThrow();
}
if (strcmp(v1.payload.path.path, v2.payload.path.path) != 0) {
if (strcmp(v1.pathStr(), v2.pathStr()) != 0) {
error<AssertionError>(
"path '%s' is not equal to path '%s'",
ValuePrinter(*this, v1, errorPrintOptions),
@ -2811,7 +2811,7 @@ bool EvalState::eqValues(Value & v1, Value & v2, const PosIdx pos, std::string_v
return
// FIXME: compare accessors by their fingerprint.
v1.payload.path.accessor == v2.payload.path.accessor
&& strcmp(v1.payload.path.path, v2.payload.path.path) == 0;
&& strcmp(v1.pathStr(), v2.pathStr()) == 0;
case nNull:
return true;

5
src/libexpr/include/nix/expr/value.hh
View file

@ -445,7 +445,7 @@ public:
assert(internalType == tPath);
return SourcePath(
ref(payload.path.accessor->shared_from_this()),
CanonPath(CanonPath::unchecked_t(), payload.path.path));
CanonPath(CanonPath::unchecked_t(), pathStr()));
}
std::string_view string_view() const
@ -494,6 +494,9 @@ public:
FunctionApplicationThunk app() const
{ return payload.app; }
const char * pathStr() const
{ return payload.path.path; }
};

2
src/libexpr/primops.cc
View file

@ -651,7 +651,7 @@ struct CompareValues
// Note: we don't take the accessor into account
// since it's not obvious how to compare them in a
// reproducible way.
return strcmp(v1->payload.path.path, v2->payload.path.path) < 0;
return strcmp(v1->pathStr(), v2->pathStr()) < 0;
case nList:
// Lexicographic comparison
for (size_t i = 0;; i++) {