add clang-tidy support

7 files changed, 21 insertions, 27 deletions

diff --git a/nihil.ucl/integer.ccm b/nihil.ucl/integer.ccm
index 0ea490c..e35a471 100644
--- a/nihil.ucl/integer.ccm
+++ b/nihil.ucl/integer.ccm
@@ -81,7 +81,7 @@ export constexpr auto operator""_ucl (unsigned long long i) -> integer
 	if (std::cmp_greater(i, std::numeric_limits<std::int64_t>::max()))
 		throw std::out_of_range("literal out of range");
 
-	return integer(i);
+	return integer(static_cast<std::int64_t>(i));
 }
 } // namespace nihil::ucl::literals
 
diff --git a/nihil.ucl/map.ccm b/nihil.ucl/map.ccm
index 1c5dd19..fa77601 100644
--- a/nihil.ucl/map.ccm
+++ b/nihil.ucl/map.ccm
@@ -88,7 +88,8 @@ private:
 	struct state {
 		state(::ucl_object_t const *obj)
 		{
-			if ((iter = ::ucl_object_iterate_new(obj)) == nullptr)
+			iter = ::ucl_object_iterate_new(obj);
+			if (iter == nullptr)
 				throw std::system_error(make_error_code(
 					std::errc(errno)));
 		}
diff --git a/nihil.ucl/object.cc b/nihil.ucl/object.cc
index 9a150fb..53fc4c7 100644
--- a/nihil.ucl/object.cc
+++ b/nihil.ucl/object.cc
@@ -33,10 +33,12 @@ object::object(object &&other) noexcept
 	: m_object(std::exchange(other.m_object, nullptr))
 {}
 
-object::object(object const &other) noexcept
+object::object(object const &other)
 	: m_object(nullptr)
 {
-	*this = other;
+	m_object = ::ucl_object_copy(other.get_ucl_object());
+	if (m_object == nullptr)
+		throw std::runtime_error("failed to copy UCL object");
 }
 
 auto object::operator=(this object &self, object &&other) noexcept
@@ -47,20 +49,9 @@ auto object::operator=(this object &self, object &&other) noexcept
 	return self;
 }
 
-auto object::operator=(this object &self, object const &other)
-	-> object &
+auto object::operator=(this object &self, object const &other) -> object &
 {
-	if (&self != &other) {
-		auto *new_uobj = ::ucl_object_copy(other.get_ucl_object());
-		if (new_uobj == nullptr)
-			throw std::runtime_error("failed to copy UCL object");
-
-		if (self.m_object != nullptr)
-			::ucl_object_unref(self.m_object);
-		self.m_object = new_uobj;
-	}
-
-	return self;
+	return self = object(other);
 }
 
 auto object::ref(this object const &self) -> object
diff --git a/nihil.ucl/object.ccm b/nihil.ucl/object.ccm
index dffb54e..9a7eaf7 100644
--- a/nihil.ucl/object.ccm
+++ b/nihil.ucl/object.ccm
@@ -49,7 +49,7 @@ export struct object {
 
 	// Copyable.
 	// Note that this copies the entire UCL object.
-	object(object const &other) noexcept;
+	object(object const &other);
 	auto operator=(this object &self, object const &other) -> object &;
 
 	// Increase the refcount of this object.
diff --git a/nihil.ucl/parser.ccm b/nihil.ucl/parser.ccm
index 20e5c66..5fa3495 100644
--- a/nihil.ucl/parser.ccm
+++ b/nihil.ucl/parser.ccm
@@ -72,7 +72,7 @@ struct parser {
 	requires (std::same_as<bool, std::invoke_result<F>>)
 	{
 		auto handler = std::make_unique<macro_handler>(
-					std::move(func));
+					std::forward<F>(func));
 
 		auto cname = std::string(name);
 		::ucl_parser_register_macro(
diff --git a/nihil.ucl/real.ccm b/nihil.ucl/real.ccm
index c491553..f425a9a 100644
--- a/nihil.ucl/real.ccm
+++ b/nihil.ucl/real.ccm
@@ -78,7 +78,7 @@ export constexpr auto operator""_ucl (long double d) -> real
 	    d < static_cast<long double>(std::numeric_limits<double>::min()))
 		throw std::out_of_range("literal out of range");
 
-	return real(d);
+	return real(static_cast<double>(d));
 }
 } // namespace nihil::ucl::literals
 
diff --git a/nihil.ucl/tests/map.cc b/nihil.ucl/tests/map.cc
index 5d2fbe1..7240cb3 100644
--- a/nihil.ucl/tests/map.cc
+++ b/nihil.ucl/tests/map.cc
@@ -9,6 +9,8 @@
 
 import nihil.ucl;
 
+//NOLINTBEGIN(bugprone-unchecked-optional-access)
+
 TEST_CASE("ucl: map: invariants", "[ucl]")
 {
 	using namespace nihil::ucl;
@@ -110,11 +112,10 @@ TEST_CASE("ucl: map: find", "[ucl]")
 	};
 
 	auto obj = map.find("42");
-	REQUIRE(obj != std::nullopt);
-	REQUIRE(*obj == 42);
+	REQUIRE(obj.value() == 42);
 
 	obj = map.find("43");
-	REQUIRE(obj == std::nullopt);
+	REQUIRE(!obj.has_value());
 }
 
 TEST_CASE("ucl: map: iterate", "[ucl]")
@@ -179,12 +180,13 @@ TEST_CASE("ucl: map: pop", "[uc]")
 	REQUIRE(map.find("42") != std::nullopt);
 
 	auto obj = map.pop("42");
-	REQUIRE(obj != std::nullopt);
-	REQUIRE(*obj == 42);
+	REQUIRE(obj.value() == 42);
 
-	REQUIRE(map.find("42") == std::nullopt);
+	REQUIRE(!map.find("42"));
 	REQUIRE(map["1"] == 1);
 
 	obj = map.pop("42");
-	REQUIRE(obj == std::nullopt);
+	REQUIRE(!obj);
 }
+
+//NOLINTEND(bugprone-unchecked-optional-access)