diff options
Diffstat (limited to 'third_party/nix/src/libexpr/eval.hh')
| -rw-r--r-- | third_party/nix/src/libexpr/eval.hh | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/third_party/nix/src/libexpr/eval.hh b/third_party/nix/src/libexpr/eval.hh index e08ec04ef5..c244b6eecc 100644 --- a/third_party/nix/src/libexpr/eval.hh +++ b/third_party/nix/src/libexpr/eval.hh @@ -284,6 +284,10 @@ class EvalState : public gc { void realiseContext(const PathSet& context); + /* File access tracing. */ + void TraceFileAccess(const Path& path); + void EnableFileAccessTracing(std::function<void(const Path&)> fn); + private: unsigned long nrEnvs = 0; unsigned long nrValuesInEnvs = 0; @@ -299,6 +303,10 @@ class EvalState : public gc { bool countCalls; + std::optional<std::function<void(const Path&)>> file_access_trace_fn = + std::nullopt; + Path last_traced_file = ""; + typedef std::map<Symbol, size_t> PrimOpCalls; PrimOpCalls primOpCalls; |