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| author | Eelco Dolstra <edolstra@gmail.com> | 2020-09-21 18:22:45 +0200 |
|---|---|---|
| committer | Eelco Dolstra <edolstra@gmail.com> | 2020-09-21 18:22:45 +0200 |
| commit | e8e1d420f364afbfface61d3f03889e10e6066c9 (patch) | |
| tree | 2cd1a7637d516eb5d50501a5508231d979096cf7 /src/libexpr/eval.hh | |
| parent | cbe0bb29f4531b2cd6b18775018bf030b1a909e3 (diff) | |
Don't include <regex> in header files
This reduces compilation time by ~15 seconds (CPU time).
Issue #4045.
Diffstat (limited to 'src/libexpr/eval.hh')
| -rw-r--r-- | src/libexpr/eval.hh | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/libexpr/eval.hh b/src/libexpr/eval.hh index 80078d8a5..0e1f61baa 100644 --- a/src/libexpr/eval.hh +++ b/src/libexpr/eval.hh @@ -6,7 +6,6 @@ #include "symbol-table.hh" #include "config.hh" -#include <regex> #include <map> #include <optional> #include <unordered_map> @@ -65,6 +64,11 @@ typedef std::list<SearchPathElem> SearchPath; void initGC(); +struct RegexCache; + +std::shared_ptr<RegexCache> makeRegexCache(); + + class EvalState { public: @@ -120,7 +124,7 @@ private: std::unordered_map<Path, Path> resolvedPaths; /* Cache used by prim_match(). */ - std::unordered_map<std::string, std::regex> regexCache; + std::shared_ptr<RegexCache> regexCache; public: |