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Store Attrs inside Bindings

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This prevents a double allocation per attribute set.
This commit is contained in:
Eelco Dolstra 2014-09-19 16:49:41 +02:00
parent 0342eb1705
commit 5b58991a71
9 changed files with 101 additions and 60 deletions
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8
src/libexpr/get-drvs.cc
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@ -161,12 +161,12 @@ void DrvInfo::setMeta(const string & name, Value * v)
{
getMeta();
Bindings * old = meta;
meta = new Bindings();
meta = state->allocBindings(1 + (old ? old->size() : 0));
Symbol sym = state->symbols.create(name);
if (old)
foreach (Bindings::iterator, i, *old)
if (i->name != sym)
meta->push_back(*i);
for (auto i : *old)
if (i.name != sym)
meta->push_back(i);
if (v) meta->push_back(Attr(sym, v));
meta->sort();
}