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Merge pull request #57 from jsoo1/refactor-top-level-value-finding

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Refactor top-level value finding.
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adisbladis 2022-04-22 13:29:26 +07:00 committed by GitHub
parent 2a491dd7fd dd8a2e89a0
commit 55d91140be
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1 changed files with 53 additions and 36 deletions
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89
src/nix-eval-jobs.cc
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@ -116,6 +116,58 @@ struct MyArgs : MixEvalArgs, MixCommonArgs
static MyArgs myArgs; static MyArgs myArgs;
static Value* releaseExprTopLevelValue(EvalState & state, Bindings & autoArgs) {
Value vTop;
state.evalFile(lookupFileArg(state, myArgs.releaseExpr), vTop);
auto vRoot = state.allocValue();
state.autoCallFunction(autoArgs, vTop, *vRoot);
return vRoot;
}
static Value* flakeTopLevelValue(EvalState & state, Bindings & autoArgs) {
using namespace flake;
auto [flakeRef, fragment] = parseFlakeRefWithFragment(myArgs.releaseExpr, absPath("."));
auto vFlake = state.allocValue();
auto lockedFlake = lockFlake(state, flakeRef,
LockFlags {
.updateLockFile = false,
.useRegistries = false,
.allowMutable = false,
});
callFlake(state, lockedFlake, *vFlake);
auto vOutputs = vFlake->attrs->get(state.symbols.create("outputs"))->value;
state.forceValue(*vOutputs, noPos);
auto vTop = *vOutputs;
if (fragment.length() > 0) {
Bindings & bindings(*state.allocBindings(0));
auto [nTop, pos] = findAlongAttrPath(state, fragment, bindings, vTop);
if (!nTop)
throw Error("error: attribute '%s' missing", nTop);
vTop = *nTop;
}
auto vRoot = state.allocValue();
state.autoCallFunction(autoArgs, vTop, *vRoot);
return vRoot;
}
Value * topLevelValue(EvalState & state, Bindings & autoArgs) {
return myArgs.flake
? flakeTopLevelValue(state, autoArgs)
: releaseExprTopLevelValue(state, autoArgs);
}
static void worker( static void worker(
EvalState & state, EvalState & state,
Bindings & autoArgs, Bindings & autoArgs,
@ -123,42 +175,7 @@ static void worker(
AutoCloseFD & from, AutoCloseFD & from,
const Path &gcRootsDir) const Path &gcRootsDir)
{ {
Value vTop; auto vRoot = topLevelValue(state, autoArgs);
if (myArgs.flake) {
using namespace flake;
auto [flakeRef, fragment] = parseFlakeRefWithFragment(myArgs.releaseExpr, absPath("."));
auto vFlake = state.allocValue();
auto lockedFlake = lockFlake(state, flakeRef,
LockFlags {
.updateLockFile = false,
.useRegistries = false,
.allowMutable = false,
});
callFlake(state, lockedFlake, *vFlake);
auto vOutputs = vFlake->attrs->get(state.symbols.create("outputs"))->value;
state.forceValue(*vOutputs, noPos);
vTop = *vOutputs;
if (fragment.length() > 0) {
Bindings & bindings(*state.allocBindings(0));
auto [nTop, pos] = findAlongAttrPath(state, fragment, bindings, vTop);
if (!nTop)
throw Error("error: attribute '%s' missing", nTop);
vTop = *nTop;
}
} else {
state.evalFile(lookupFileArg(state, myArgs.releaseExpr), vTop);
}
auto vRoot = state.allocValue();
state.autoCallFunction(autoArgs, vTop, *vRoot);
while (true) { while (true) {
/* Wait for the master to send us a job name. */ /* Wait for the master to send us a job name. */