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Clean up the 'outputs' interface

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This commit is contained in:
Eelco Dolstra 2019-08-30 13:06:23 +02:00
parent 89468410d5
commit 2341f30ec6
1 changed files with 19 additions and 19 deletions
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38
src/libexpr/flake/flake.cc
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@ -505,17 +505,14 @@ void callFlake(EvalState & state,
const FlakeInputs & inputs,
Value & vRes)
{
// Construct the resulting attrset '{outputs, ...}'. This attrset
// is passed lazily as an argument to the 'outputs' function.
auto & vInputs = *state.allocValue();
auto & v = *state.allocValue();
state.mkAttrs(v,
state.mkAttrs(vInputs,
inputs.flakeInputs.size() +
inputs.nonFlakeInputs.size() + 8);
inputs.nonFlakeInputs.size() + 1);
for (auto & dep : inputs.flakeInputs) {
auto vFlake = state.allocAttr(v, dep.second.id);
auto vFlake = state.allocAttr(vInputs, dep.second.id);
auto vPrimOp = state.allocValue();
static auto primOp = new PrimOp(prim_callFlake, 1, state.symbols.create("callFlake"));
vPrimOp->type = tPrimOp;
@ -528,7 +525,7 @@ void callFlake(EvalState & state,
}
for (auto & dep : inputs.nonFlakeInputs) {
auto vNonFlake = state.allocAttr(v, dep.first);
auto vNonFlake = state.allocAttr(vInputs, dep.first);
auto vPrimOp = state.allocValue();
static auto primOp = new PrimOp(prim_callNonFlake, 1, state.symbols.create("callNonFlake"));
vPrimOp->type = tPrimOp;
@ -540,24 +537,27 @@ void callFlake(EvalState & state,
mkApp(*vNonFlake, *vPrimOp, *vArg);
}
mkString(*state.allocAttr(v, state.sDescription), flake.description);
auto & vSourceInfo = *state.allocValue();
state.mkAttrs(vSourceInfo, 8);
emitSourceInfoAttrs(state, flake.sourceInfo, vSourceInfo);
emitSourceInfoAttrs(state, flake.sourceInfo, v);
vInputs.attrs->push_back(Attr(state.sSelf, &vRes));
auto vOutputs = state.allocAttr(v, state.symbols.create("outputs"));
mkApp(*vOutputs, *flake.vOutputs, v);
v.attrs->push_back(Attr(state.sSelf, &v));
v.attrs->sort();
vInputs.attrs->sort();
/* For convenience, put the outputs directly in the result, so you
can refer to an output of an input as 'inputs.foo.bar' rather
than 'inputs.foo.outputs.bar'. */
auto v2 = *state.allocValue();
state.eval(state.parseExprFromString("res: res.outputs // res", "/"), v2);
auto vCall = *state.allocValue();
state.eval(state.parseExprFromString(
"outputsFun: inputs: sourceInfo: let outputs = outputsFun inputs; in "
"outputs // sourceInfo // { inherit inputs; inherit outputs; inherit sourceInfo; }", "/"), vCall);
state.callFunction(v2, v, vRes, noPos);
auto vCall2 = *state.allocValue();
auto vCall3 = *state.allocValue();
state.callFunction(vCall, *flake.vOutputs, vCall2, noPos);
state.callFunction(vCall2, vInputs, vCall3, noPos);
state.callFunction(vCall3, vSourceInfo, vRes, noPos);
}
void callFlake(EvalState & state,