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Introduce NormalType for the normal type of a Value

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This will be useful to abstract over the ValueType implementation
details

Make use of it already to replace the showType(ValueType) function
This commit is contained in:
Silvan Mosberger 2020-12-11 23:32:45 +01:00
parent 9c143c411b
commit fa307875e9
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GPG key ID: E8F1E9EAD284E17D
5 changed files with 68 additions and 34 deletions
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26
src/libexpr/flake/flake.cc
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@ -78,13 +78,13 @@ static void forceTrivialValue(EvalState & state, Value & value, const Pos & pos)
}
static void expectType(EvalState & state, ValueType type,
static void expectType(EvalState & state, NormalType type,
Value & value, const Pos & pos)
{
forceTrivialValue(state, value, pos);
if (value.type != type)
if (value.normalType() != type)
throw Error("expected %s but got %s at %s",
showType(type), showType(value.type), pos);
showType(type), showType(value.normalType()), pos);
}
static std::map<FlakeId, FlakeInput> parseFlakeInputs(
@ -93,7 +93,7 @@ static std::map<FlakeId, FlakeInput> parseFlakeInputs(
static FlakeInput parseFlakeInput(EvalState & state,
const std::string & inputName, Value * value, const Pos & pos)
{
expectType(state, tAttrs, *value, pos);
expectType(state, nAttrs, *value, pos);
FlakeInput input;
@ -108,16 +108,16 @@ static FlakeInput parseFlakeInput(EvalState & state,
for (nix::Attr attr : *(value->attrs)) {
try {
if (attr.name == sUrl) {
expectType(state, tString, *attr.value, *attr.pos);
expectType(state, nString, *attr.value, *attr.pos);
url = attr.value->string.s;
attrs.emplace("url", *url);
} else if (attr.name == sFlake) {
expectType(state, tBool, *attr.value, *attr.pos);
expectType(state, nBool, *attr.value, *attr.pos);
input.isFlake = attr.value->boolean;
} else if (attr.name == sInputs) {
input.overrides = parseFlakeInputs(state, attr.value, *attr.pos);
} else if (attr.name == sFollows) {
expectType(state, tString, *attr.value, *attr.pos);
expectType(state, nString, *attr.value, *attr.pos);
input.follows = parseInputPath(attr.value->string.s);
} else {
if (attr.value->type == tString)
@ -158,7 +158,7 @@ static std::map<FlakeId, FlakeInput> parseFlakeInputs(
{
std::map<FlakeId, FlakeInput> inputs;
expectType(state, tAttrs, *value, pos);
expectType(state, nAttrs, *value, pos);
for (nix::Attr & inputAttr : *(*value).attrs) {
inputs.emplace(inputAttr.name,
@ -199,10 +199,10 @@ static Flake getFlake(
Value vInfo;
state.evalFile(flakeFile, vInfo, true); // FIXME: symlink attack
expectType(state, tAttrs, vInfo, Pos(foFile, state.symbols.create(flakeFile), 0, 0));
expectType(state, nAttrs, vInfo, Pos(foFile, state.symbols.create(flakeFile), 0, 0));
if (auto description = vInfo.attrs->get(state.sDescription)) {
expectType(state, tString, *description->value, *description->pos);
expectType(state, nString, *description->value, *description->pos);
flake.description = description->value->string.s;
}
@ -214,9 +214,9 @@ static Flake getFlake(
auto sOutputs = state.symbols.create("outputs");
if (auto outputs = vInfo.attrs->get(sOutputs)) {
expectType(state, tLambda, *outputs->value, *outputs->pos);
expectType(state, nFunction, *outputs->value, *outputs->pos);
if (outputs->value->lambda.fun->matchAttrs) {
if (outputs->value->type == tLambda && outputs->value->lambda.fun->matchAttrs) {
for (auto & formal : outputs->value->lambda.fun->formals->formals) {
if (formal.name != state.sSelf)
flake.inputs.emplace(formal.name, FlakeInput {
@ -231,7 +231,7 @@ static Flake getFlake(
auto sNixConfig = state.symbols.create("nixConfig");
if (auto nixConfig = vInfo.attrs->get(sNixConfig)) {
expectType(state, tAttrs, *nixConfig->value, *nixConfig->pos);
expectType(state, nAttrs, *nixConfig->value, *nixConfig->pos);
for (auto & setting : *nixConfig->value->attrs) {
forceTrivialValue(state, *setting.value, *setting.pos);