vsxmake: generate .csproj for C# targets

Detect targets whose source kinds are entirely "cs" and emit a .csproj

2 files changed, 42 insertions, 5 deletions

diff --git a/xmake/plugins/project/vsxmake/getinfo.lua b/xmake/plugins/project/vsxmake/getinfo.lua
index 9395657fd..60b20b9c4 100644
--- a/xmake/plugins/project/vsxmake/getinfo.lua
+++ b/xmake/plugins/project/vsxmake/getinfo.lua
@@ -89,6 +89,20 @@ function _make_arrs(arr, sep)
     return table.concat(r, sep or ";")
 end
 
+-- detect project kind (csharp vs cxx) so vsxmake emits .csproj for C# targets
+function _get_projkind(target)
+    local sourcekinds = table.wrap(target:sourcekinds())
+    if #sourcekinds == 0 then
+        return "cxx"
+    end
+    for _, sk in ipairs(sourcekinds) do
+        if sk ~= "cs" then
+            return "cxx"
+        end
+    end
+    return "csharp"
+end
+
 -- get values from target
 function _get_values_from_target(target, name)
     local values = {}
@@ -122,6 +136,7 @@ function _make_targetinfo(mode, arch, target)
 
     -- save target kind
     targetinfo.kind          = target:kind()
+    targetinfo.projkind      = _get_projkind(target)
 
     -- is default?
     targetinfo.default       = tostring(target:is_default())
@@ -497,6 +512,17 @@ function main(outputdir, vsinfo)
                 _target.vcxprojdir_relative_sln = vsutils.translate_path(path.relative(_target.vcxprojdir, vsinfo.solution_dir))
                 _target.target_id = hash.uuid4(targetname)
                 _target.kind = target:kind()
+                if not _target.projkind then
+                    _target.projkind = _get_projkind(target)
+                    if _target.projkind == "csharp" then
+                        -- C# project type GUID, see https://www.codeproject.com/Reference/720512/List-of-Visual-Studio-Project-Type-GUIDs
+                        _target.projtypeguid = "FAE04EC0-301F-11D3-BF4B-00C04F79EFBC"
+                        _target.projext = "csproj"
+                    else
+                        _target.projtypeguid = "8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942"
+                        _target.projext = "vcxproj"
+                    end
+                end
                 _target.absscriptdir = target:scriptdir()
                 _target.scriptdir = path.relative(target:scriptdir(), _target.vcxprojdir)
                 _target.projectdir = path.relative(project.directory(), _target.vcxprojdir)
diff --git a/xmake/plugins/project/vsxmake/vsxmake.lua b/xmake/plugins/project/vsxmake/vsxmake.lua
index b52b160a9..cd61dfcbf 100644
--- a/xmake/plugins/project/vsxmake/vsxmake.lua
+++ b/xmake/plugins/project/vsxmake/vsxmake.lua
@@ -31,6 +31,7 @@ import("vstudio.impl.vsutils", {rootdir = path.join(os.programdir(), "plugins",
 local template_root = path.join(os.programdir(), "scripts", "vsxmake", "vsproj", "templates")
 local template_sln = path.join(template_root, "sln", "vsxmake.sln")
 local template_vcx = path.join(template_root, "vcxproj", "#target#.vcxproj")
+local template_csproj = path.join(template_root, "csproj", "#target#.csproj")
 
 local template_fil = path.join(template_root, "vcxproj.filters", "#target#.vcxproj.filters")
 local template_props = path.join(template_root, "Xmake.Custom.props")
@@ -146,6 +147,9 @@ function _buildparams(info, target, default)
         elseif args.filets then -- for qt/.ts
             local files = info._targets[target].sourcefiles
             table.insert(r, _filter_files(files, {".ts"}))
+        elseif args.filecs then -- for c#
+            local files = info._targets[target].sourcefiles
+            table.insert(r, _filter_files(files, {".cs"}))
         elseif args.incc then
             local files = table.join(info._targets[target].headerfiles or {}, info._targets[target].extrafiles)
             table.insert(r, _filter_files(files, nil, {".natvis"}))
@@ -239,14 +243,21 @@ function make(version)
 
         for _, target in ipairs(info.targets) do
             local paramsprovidertarget = _buildparams(info, target, "<!-- nil -->")
-            local vcxproj_dir = info._targets[target].vcxprojdir
+            local _target = info._targets[target]
+            local vcxproj_dir = _target.vcxprojdir
+            local projkind = _target.projkind or "cxx"
+            local projext = _target.projext or "vcxproj"
 
             -- write project file
-            local vcxproj_file = path.join(vcxproj_dir, target .. ".vcxproj")
-            _writefileifneeded(vcxproj_file, render(template_vcx, "#([A-Za-z0-9_,%.%*%(%)]+)#", "@([^@]+)@", paramsprovidertarget))
+            local proj_file = path.join(vcxproj_dir, target .. "." .. projext)
+            local proj_template = (projkind == "csharp") and template_csproj or template_vcx
+            _writefileifneeded(proj_file, render(proj_template, "#([A-Za-z0-9_,%.%*%(%)]+)#", "@([^@]+)@", paramsprovidertarget))
 
-            local vcxproj_filters = path.join(vcxproj_dir, target .. ".vcxproj.filters")
-            _writefileifneeded(vcxproj_filters, render(template_fil, "#([A-Za-z0-9_,%.%*%(%)]+)#", "@([^@]+)@", paramsprovidertarget))
+            -- .csproj does not use a .filters sidecar (legacy .vcxproj-only mechanism)
+            if projkind ~= "csharp" then
+                local vcxproj_filters = path.join(vcxproj_dir, target .. ".vcxproj.filters")
+                _writefileifneeded(vcxproj_filters, render(template_fil, "#([A-Za-z0-9_,%.%*%(%)]+)#", "@([^@]+)@", paramsprovidertarget))
+            end
 
             -- add project custom file
             _trycp(template_props, vcxproj_dir)