zpp_throwing: add package (#2875)

packages/z/zpp_throwing/xmake.lua

@@ -0,0 +1,32 @@
+package("zpp_throwing")
+    set_kind("library", {headeronly = true})
+    set_homepage("https://github.com/eyalz800/zpp_throwing")
+    set_description("Using coroutines to implement C++ exceptions for freestanding environments")
+    set_license("MIT")
+
+    add_urls("https://github.com/eyalz800/zpp_throwing/archive/refs/tags/$(version).tar.gz",
+             "https://github.com/eyalz800/zpp_throwing.git")
+
+    add_versions("v1.0.1", "c15651ad36f9ddcb51e6244b0a78dbdebf7be8748b3e7ffe1c7339f0e41fd411")
+
+    on_install("linux", "macosx", "bsd", "mingw", "msys", "android", "iphoneos", "cross", "wasm", function (package)
+        os.cp("zpp_throwing.h", package:installdir("include"))
+    end)
+
+    on_test(function (package)
+        local cxxflags
+        if package:is_plat("windows") then
+            cxxflags = {"/EHsc-", "/GR-"}
+        else
+            cxxflags = {"-fno-exceptions", "-fno-rtti"}
+        end
+        assert(package:check_cxxsnippets({test = [[
+            #include <zpp_throwing.h>
+            zpp::throwing<int> test(bool success) {
+                if (!success) {
+                    co_yield std::runtime_error("My runtime error");
+                }
+                co_return 1337;
+            }
+        ]]}, {configs = {languages = "c++20", cxxflags = cxxflags}}))
+    end)