nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-11-16 07:22:43 +01:00
Code Activity

libexpr: Make emptyBindings a global constant

Browse source 
This object is always constant and will never get modified.
Having it as a global (constant) static is much easier and
unclutters the EvalState.

Same idea as in f017f9ddd3.

Co-authored-by: eldritch horrors <pennae@lix.systems>
This commit is contained in:
Sergei Zimmerman 2025-09-11 01:51:48 +03:00
parent c0fd9146d6
commit 4df1a3ca76
No known key found for this signature in database
9 changed files with 16 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

4
src/libexpr/attr-path.cc
View file

@ -110,8 +110,8 @@ std::pair<SourcePath, uint32_t> findPackageFilename(EvalState & state, Value & v
{
Value * v2;
try {
auto dummyArgs = state.allocBindings(0);
v2 = findAlongAttrPath(state, "meta.position", *dummyArgs, v).first;
auto & dummyArgs = Bindings::emptyBindings;
v2 = findAlongAttrPath(state, "meta.position", dummyArgs, v).first;
} catch (Error &) {
throw NoPositionInfo("package '%s' has no source location information", what);
}