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Merge pull request #5037 from Pamplemousse/less_globals

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Avoid global counters
This commit is contained in:
Eelco Dolstra 2021-07-26 14:29:03 +02:00 committed by GitHub
parent 97be92569c c1c5dd7449
commit da55210403
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 13 additions and 10 deletions
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16
src/libexpr/eval.cc
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@ -854,39 +854,37 @@ Value * Expr::maybeThunk(EvalState & state, Env & env)
}
unsigned long nrAvoided = 0;
Value * ExprVar::maybeThunk(EvalState & state, Env & env)
{
Value * v = state.lookupVar(&env, *this, true);
/* The value might not be initialised in the environment yet.
In that case, ignore it. */
if (v) { nrAvoided++; return v; }
if (v) { state.nrAvoided++; return v; }
return Expr::maybeThunk(state, env);
}
Value * ExprString::maybeThunk(EvalState & state, Env & env)
{
nrAvoided++;
state.nrAvoided++;
return &v;
}
Value * ExprInt::maybeThunk(EvalState & state, Env & env)
{
nrAvoided++;
state.nrAvoided++;
return &v;
}
Value * ExprFloat::maybeThunk(EvalState & state, Env & env)
{
nrAvoided++;
state.nrAvoided++;
return &v;
}
Value * ExprPath::maybeThunk(EvalState & state, Env & env)
{
nrAvoided++;
state.nrAvoided++;
return &v;
}
@ -1141,8 +1139,6 @@ static string showAttrPath(EvalState & state, Env & env, const AttrPath & attrPa
}
unsigned long nrLookups = 0;
void ExprSelect::eval(EvalState & state, Env & env, Value & v)
{
Value vTmp;
@ -1154,7 +1150,7 @@ void ExprSelect::eval(EvalState & state, Env & env, Value & v)
try {
for (auto & i : attrPath) {
nrLookups++;
state.nrLookups++;
Bindings::iterator j;
Symbol name = getName(i, state, env);
if (def) {

7
src/libexpr/eval.hh
View file

@ -316,8 +316,10 @@ private:
unsigned long nrValuesInEnvs = 0;
unsigned long nrValues = 0;
unsigned long nrListElems = 0;
unsigned long nrLookups = 0;
unsigned long nrAttrsets = 0;
unsigned long nrAttrsInAttrsets = 0;
unsigned long nrAvoided = 0;
unsigned long nrOpUpdates = 0;
unsigned long nrOpUpdateValuesCopied = 0;
unsigned long nrListConcats = 0;
@ -339,6 +341,11 @@ private:
friend struct ExprOpUpdate;
friend struct ExprOpConcatLists;
friend struct ExprVar;
friend struct ExprString;
friend struct ExprInt;
friend struct ExprFloat;
friend struct ExprPath;
friend struct ExprSelect;
friend void prim_getAttr(EvalState & state, const Pos & pos, Value * * args, Value & v);
friend void prim_match(EvalState & state, const Pos & pos, Value * * args, Value & v);