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Some backports from the flakes branch

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This commit is contained in:
Eelco Dolstra 2020-06-18 13:44:40 +02:00
parent 7083d33efe
commit 2a61bbf77f
6 changed files with 45 additions and 17 deletions
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26
src/libexpr/eval.cc
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@ -161,12 +161,12 @@ const Value *getPrimOp(const Value &v) {
}
string showType(const Value & v)
string showType(ValueType type)
{
switch (v.type) {
switch (type) {
case tInt: return "an integer";
case tBool: return "a boolean";
case tString: return v.string.context ? "a string with context" : "a string";
case tBool: return "a Boolean";
case tString: return "a string";
case tPath: return "a path";
case tNull: return "null";
case tAttrs: return "a set";
@ -175,14 +175,27 @@ string showType(const Value & v)
case tApp: return "a function application";
case tLambda: return "a function";
case tBlackhole: return "a black hole";
case tPrimOp: return "a built-in function";
case tPrimOpApp: return "a partially applied built-in function";
case tExternal: return "an external value";
case tFloat: return "a float";
}
abort();
}
string showType(const Value & v)
{
switch (v.type) {
case tString: return v.string.context ? "a string with context" : "a string";
case tPrimOp:
return fmt("the built-in function '%s'", string(v.primOp->name));
case tPrimOpApp:
return fmt("the partially applied built-in function '%s'", string(getPrimOp(v)->primOp->name));
case tExternal: return v.external->showType();
case tFloat: return "a float";
default:
return showType(v.type);
}
abort();
}
@ -323,6 +336,7 @@ EvalState::EvalState(const Strings & _searchPath, ref<Store> store)
, sOutputHash(symbols.create("outputHash"))
, sOutputHashAlgo(symbols.create("outputHashAlgo"))
, sOutputHashMode(symbols.create("outputHashMode"))
, sRecurseForDerivations(symbols.create("recurseForDerivations"))
, repair(NoRepair)
, store(store)
, baseEnv(allocEnv(128))