Add argsplit to support multiple arguments in CXXFLAGS, CFLAGS and LDFLAGS.

2 files changed, 220 insertions, 0 deletions

diff --git a/test/argsplit_test.cc b/test/argsplit_test.cc
new file mode 100644
index 0000000..7dce561
--- /dev/null
+++ b/test/argsplit_test.cc
@@ -0,0 +1,203 @@
+#include <uunit.h>
+
+#include <util.h>
+
+class ArgSplitTest
+	: public uUnit
+{
+public:
+	using fs = std::filesystem::path;
+
+	ArgSplitTest()
+	{
+		uTEST(ArgSplitTest::plain_test);
+		uTEST(ArgSplitTest::quot_test);
+		uTEST(ArgSplitTest::apotrophe_test);
+		uTEST(ArgSplitTest::mixed_test);
+		uTEST(ArgSplitTest::escape_test);
+	}
+
+	void plain_test()
+	{
+		using namespace std::string_literals;
+
+		{ // zero
+			auto res = argsplit({});
+			uASSERT_EQUAL(0u, res.size());
+		}
+
+		{ // one
+			auto res = argsplit("hello"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("hello"s, res[0]);
+		}
+
+		{ // many
+			auto res = argsplit("hello world"s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("hello"s, res[0]);
+			uASSERT_EQUAL("world"s, res[1]);
+		}
+	}
+
+	void quot_test()
+	{
+		using namespace std::string_literals;
+
+		{ // zero
+			auto res = argsplit("\"\"");
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\"\""s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\"hello\""s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\"hello\""s, res[0]);
+		}
+
+		{ // one with space
+			auto res = argsplit("\"hel lo\""s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\"hel lo\""s, res[0]);
+		}
+
+		{ // many
+			auto res = argsplit("\"hello\" \"world\""s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("\"hello\""s, res[0]);
+			uASSERT_EQUAL("\"world\""s, res[1]);
+		}
+
+		{ // many with spaces
+			auto res = argsplit("\"hel lo\" \"wor ld\""s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("\"hel lo\""s, res[0]);
+			uASSERT_EQUAL("\"wor ld\""s, res[1]);
+		}
+	}
+
+	void apotrophe_test()
+	{
+		using namespace std::string_literals;
+
+		{ // zero
+			auto res = argsplit("\'\'");
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\'\'"s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\'hello\'"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\'hello\'"s, res[0]);
+		}
+
+		{ // one with space
+			auto res = argsplit("\'hel lo\'"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\'hel lo\'"s, res[0]);
+		}
+
+		{ // many
+			auto res = argsplit("\'hello\' \'world\'"s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("\'hello\'"s, res[0]);
+			uASSERT_EQUAL("\'world\'"s, res[1]);
+		}
+
+		{ // many with spaces
+			auto res = argsplit("\'hel lo\' \'wor ld\'"s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("\'hel lo\'"s, res[0]);
+			uASSERT_EQUAL("\'wor ld\'"s, res[1]);
+		}
+	}
+
+	void mixed_test()
+	{
+		using namespace std::string_literals;
+
+		{ // zero
+			auto res = argsplit("\'\'");
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\'\'"s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\'he\"llo\'"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\'he\"llo\'"s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\"he\'llo\""s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\"he\'llo\""s, res[0]);
+		}
+
+		{ // one with space
+			auto res = argsplit("\'he\"l lo\'\""s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\'he\"l lo\'\""s, res[0]);
+		}
+
+		{ // one with space
+			auto res = argsplit("\"he\'l lo\"\'"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\"he\'l lo\"\'"s, res[0]);
+		}
+
+		{ // many
+			auto res = argsplit("\"he\'llo\" \"wor\'ld\""s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("\"he\'llo\""s, res[0]);
+			uASSERT_EQUAL("\"wor\'ld\""s, res[1]);
+		}
+
+		{ // many with spaces
+			auto res = argsplit("\'hel\"lo\' \'wor\"ld\'"s);
+			uASSERT_EQUAL(2u, res.size());
+			uASSERT_EQUAL("\'hel\"lo\'"s, res[0]);
+			uASSERT_EQUAL("\'wor\"ld\'"s, res[1]);
+		}
+	}
+
+	void escape_test()
+	{
+		using namespace std::string_literals;
+
+		{ // zero
+			auto res = argsplit("\\");
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\\"s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\\\'"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\\\'"s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\\\""s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\\\""s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("\\\\"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("\\\\"s, res[0]);
+		}
+
+		{ // one
+			auto res = argsplit("a\\ b"s);
+			uASSERT_EQUAL(1u, res.size());
+			uASSERT_EQUAL("a\\ b"s, res[0]);
+		}
+	}
+};
+
+// Registers the fixture into the 'registry'
+static ArgSplitTest test;
diff --git a/test/ctor.cc b/test/ctor.cc
index 31c63ab..b7bcc6d 100644
--- a/test/ctor.cc
+++ b/test/ctor.cc
@@ -12,6 +12,23 @@ ctor::build_configurations ctorTestConfigs(const ctor::settings& settings)
 		{
 			.type = ctor::target_type::unit_test,
 			.system = ctor::output_system::build,
+			.target = "argsplit_test",
+			.sources = {
+				"argsplit_test.cc",
+				"testmain.cc",
+				"../src/util.cc",
+			},
+			.flags = {
+				.cxxflags = {
+					"-std=c++20", "-O3", "-Wall", "-Werror",
+					"-I../src", "-Iuunit",
+					"-DOUTPUT=\"argsplit\"",
+				},
+			},
+		},
+		{
+			.type = ctor::target_type::unit_test,
+			.system = ctor::output_system::build,
 			.target = "pointerlist_test",
 			.sources = {
 				"pointerlist_test.cc",