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authorBoris Kolpackov <boris@codesynthesis.com>2021-01-30 10:05:34 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2021-01-30 10:05:34 +0200
commitb7beffa3db7103f5b800dd2ee004fe62bb577cd8 (patch)
treef23dfb1504b466b3f472e7721337d945391bf039 /libbuild2
parentf211934d6ff53388a806c5cc06483e9d843056e4 (diff)
Take advantage of small std::function optimization
Diffstat (limited to 'libbuild2')
-rw-r--r--libbuild2/parser.cxx21
1 files changed, 13 insertions, 8 deletions
diff --git a/libbuild2/parser.cxx b/libbuild2/parser.cxx
index ab4fa48..951759b 100644
--- a/libbuild2/parser.cxx
+++ b/libbuild2/parser.cxx
@@ -4754,21 +4754,26 @@ namespace build2
//
bool unique (r.empty () && path_pattern_recursive (path (p)) <= 1);
- function<void (string&&, optional<string>&&)> appf;
+ struct data
+ {
+ const optional<string>& e;
+ const dir_path& sp;
+ function<void (string&&, optional<string>&&)> appf;
+
+ } d {e, *sp, nullptr};
+
if (unique)
- appf = [a, &append] (string&& v, optional<string>&& e)
+ d.appf = [a, &append] (string&& v, optional<string>&& e)
{
append (move (v), move (e), a);
};
else
- appf = [a, &include_match] (string&& v, optional<string>&& e)
+ d.appf = [a, &include_match] (string&& v, optional<string>&& e)
{
include_match (move (v), move (e), a);
};
- auto process = [this, &e, &appf, sp] (path&& m,
- const string& p,
- bool interm)
+ auto process = [&d, this] (path&& m, const string& p, bool interm)
{
// Ignore entries that start with a dot unless the pattern that
// matched them also starts with a dot. Also ignore directories
@@ -4780,14 +4785,14 @@ namespace build2
(root_ != nullptr &&
root_->root_extra != nullptr &&
m.to_directory () &&
- exists (*sp / m / root_->root_extra->buildignore_file)))
+ exists (d.sp / m / root_->root_extra->buildignore_file)))
return !interm;
// Note that we have to make copies of the extension since there will
// multiple entries for each pattern.
//
if (!interm)
- appf (move (m).representation (), optional<string> (e));
+ d.appf (move (m).representation (), optional<string> (d.e));
return true;
};