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libexpr: Optimize prim_derivationStrict by using more symbol comparisons

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This commit is contained in:
Tuomas Tynkkynen 2017-03-04 15:24:06 +02:00
parent 0845cdf944
commit 7e0360504d
3 changed files with 15 additions and 10 deletions
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4
src/libexpr/eval.cc
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@ -294,6 +294,10 @@ EvalState::EvalState(const Strings & _searchPath, ref<Store> store)
, sWrong(symbols.create("wrong"))
, sStructuredAttrs(symbols.create("__structuredAttrs"))
, sBuilder(symbols.create("builder"))
, sArgs(symbols.create("args"))
, sOutputHash(symbols.create("outputHash"))
, sOutputHashAlgo(symbols.create("outputHashAlgo"))
, sOutputHashMode(symbols.create("outputHashMode"))
, repair(NoRepair)
, store(store)
, baseEnv(allocEnv(128))

3
src/libexpr/eval.hh
View file

@ -69,7 +69,8 @@ public:
const Symbol sWith, sOutPath, sDrvPath, sType, sMeta, sName, sValue,
sSystem, sOverrides, sOutputs, sOutputName, sIgnoreNulls,
sFile, sLine, sColumn, sFunctor, sToString,
sRight, sWrong, sStructuredAttrs, sBuilder;
sRight, sWrong, sStructuredAttrs, sBuilder, sArgs,
sOutputHash, sOutputHashAlgo, sOutputHashMode;
Symbol sDerivationNix;
/* If set, force copying files to the Nix store even if they

18
src/libexpr/primops.cc
View file

@ -589,7 +589,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
/* The `args' attribute is special: it supplies the
command-line arguments to the builder. */
if (key == "args") {
if (i->name == state.sArgs) {
state.forceList(*i->value, pos);
for (unsigned int n = 0; n < i->value->listSize(); ++n) {
string s = state.coerceToString(posDrvName, *i->value->listElems()[n], context, true);
@ -614,13 +614,13 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
drv.platform = state.forceStringNoCtx(*i->value, posDrvName);
else if (i->name == state.sName)
drvName = state.forceStringNoCtx(*i->value, posDrvName);
else if (key == "outputHash")
else if (i->name == state.sOutputHash)
outputHash = state.forceStringNoCtx(*i->value, posDrvName);
else if (key == "outputHashAlgo")
else if (i->name == state.sOutputHashAlgo)
outputHashAlgo = state.forceStringNoCtx(*i->value, posDrvName);
else if (key == "outputHashMode")
else if (i->name == state.sOutputHashMode)
handleHashMode(state.forceStringNoCtx(*i->value, posDrvName));
else if (key == "outputs") {
else if (i->name == state.sOutputs) {
/* Require ‘outputs’ to be a list of strings. */
state.forceList(*i->value, posDrvName);
Strings ss;
@ -638,10 +638,10 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
drvName = s;
printMsg(lvlVomit, format("derivation name is '%1%'") % drvName);
}
else if (key == "outputHash") outputHash = s;
else if (key == "outputHashAlgo") outputHashAlgo = s;
else if (key == "outputHashMode") handleHashMode(s);
else if (key == "outputs")
else if (i->name == state.sOutputHash) outputHash = s;
else if (i->name == state.sOutputHashAlgo) outputHashAlgo = s;
else if (i->name == state.sOutputHashMode) handleHashMode(s);
else if (i->name == state.sOutputs)
handleOutputs(tokenizeString<Strings>(s));
}