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Generate builtins section of the manual

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This commit is contained in:
Eelco Dolstra 2020-08-24 14:49:30 +02:00
parent a990f063ff
commit 0f314f3c25
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GPG key ID: 8170B4726D7198DE
5 changed files with 36 additions and 3 deletions
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20
src/nix/main.cc
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@ -179,11 +179,29 @@ void mainWrapped(int argc, char * * argv)
NixArgs args;
if (argc == 2 && std::string(argv[1]) == "dump-args") {
if (argc == 2 && std::string(argv[1]) == "__dump-args") {
std::cout << args.toJSON().dump() << "\n";
return;
}
if (argc == 2 && std::string(argv[1]) == "__dump-builtins") {
EvalState state({}, openStore("ssh://foo.invalid/"));
auto res = nlohmann::json::object();
auto builtins = state.baseEnv.values[0]->attrs;
for (auto & builtin : *builtins) {
auto b = nlohmann::json::object();
if (builtin.value->type != tPrimOp) continue;
auto primOp = builtin.value->primOp;
if (!primOp->doc) continue;
b["arity"] = primOp->arity;
b["args"] = primOp->args;
b["doc"] = trim(stripIndentation(primOp->doc));
res[(std::string) builtin.name] = std::move(b);
}
std::cout << res.dump() << "\n";
return;
}
Finally printCompletions([&]()
{
if (completions) {