cmake_csharp.lua

--
-- cmake_csharp.lua
-- Generate a C# CMake project.
-- Copyright (c) 2014 Manu Evans and the Premake project
--

	premake.extensions.cmake.cs = {}

	local cmake = premake.extensions.cmake
	local cs = cmake.cs
	local project = premake.project
	local config = premake.config
	local fileconfig = premake.fileconfig


--
-- Add namespace for element definition lists for premake.callarray()
--

	cs.elements = {}


--
-- Generate a GNU make C++ project makefile, with support for the new platforms API.
--

	cs.elements.makefile = {
		"header",
		"phonyRules",
		"csConfigs",
		"csProjectConfig",
		"csSources",
		"csEmbedFiles",
		"csCopyFiles",
		"shellType",
		"csAllRules",
		"csTargetRules",
		"targetDirRules",
		"objDirRules",
		"csCleanRules",
		"preBuildRules",
		"preLinkRules",
		"csFileRules",
	}


--
-- Generate a GNU make C# project makefile, with support for the new platforms API.
--

	function make.cs.generate(prj)
		premake.eol("\n")
		local toolset = premake.tools.dotnet
		premake.callarray(make, cs.elements.makefile, prj, toolset)
	end


--
-- Write out the settings for a particular configuration.
--

	cs.elements.configuration = {
		"csTools",
		"target",
		"objdir",
		"csFlags",
		"csLinkCmd",
		"preBuildCmds",
		"preLinkCmds",
		"postBuildCmds",
		"settings",
	}

	function make.csConfigs(prj, toolset)
		for cfg in project.eachconfig(prj) do
			_x('ifeq ($(config),%s)', cfg.shortname)
			premake.callarray(make, cs.elements.configuration, cfg, toolset)
			_p('endif')
			_p('')
		end
	end


--
-- Given a .resx resource file, builds the path to corresponding .resource
-- file, matching the behavior and naming of Visual Studio.
--

	function cs.getresourcefilename(cfg, fname)
		if path.getextension(fname) == ".resx" then
		    local name = cfg.buildtarget.basename .. "."
		    local dir = path.getdirectory(fname)
		    if dir ~= "." then
				name = name .. path.translate(dir, ".") .. "."
			end
			return "$(OBJDIR)/" .. premake.esc(name .. path.getbasename(fname)) .. ".resources"
		else
			return fname
		end
	end


--
-- Iterate and output some selection of the source code files.
--

	function cs.listsources(prj, selector)
		local tr = project.getsourcetree(prj)
		premake.tree.traverse(tr, {
			onleaf = function(node, depth)
				local value = selector(node)
				if value then
					_x('\t%s \\', value)
				end
			end
		})
	end





---------------------------------------------------------------------------
--
-- Handlers for individual makefile elements
--
---------------------------------------------------------------------------

	function make.csAllRules(prj, toolset)
		_p('all: $(TARGETDIR) $(OBJDIR) prebuild $(EMBEDFILES) $(COPYFILES) prelink $(TARGET)')
		_p('')
	end


	function make.csCleanRules(prj, toolset)
		--[[
		-- porting from 4.x
		_p('clean:')
		_p('\t@echo Cleaning %s', prj.name)
		_p('ifeq (posix,$(SHELLTYPE))')
		_p('\t$(SILENT) rm -f $(TARGETDIR)/%s.* $(COPYFILES)', target.basename)
		_p('\t$(SILENT) rm -rf $(OBJDIR)')
		_p('else')
		_p('\t$(SILENT) if exist $(subst /,\\\\,$(TARGETDIR)/%s) del $(subst /,\\\\,$(TARGETDIR)/%s.*)', target.name, target.basename)
		for target, source in pairs(cfgpairs[anycfg]) do
			_p('\t$(SILENT) if exist $(subst /,\\\\,%s) del $(subst /,\\\\,%s)', target, target)
		end
		for target, source in pairs(copypairs) do
			_p('\t$(SILENT) if exist $(subst /,\\\\,%s) del $(subst /,\\\\,%s)', target, target)
		end
		_p('\t$(SILENT) if exist $(subst /,\\\\,$(OBJDIR)) rmdir /s /q $(subst /,\\\\,$(OBJDIR))')
		_p('endif')
		_p('')
		--]]
	end


	function make.csCopyFiles(prj, toolset)
		--[[
		-- copied from 4.x; needs more porting
		_p('COPYFILES += \\')
		for target, source in pairs(cfgpairs[anycfg]) do
			_p('\t%s \\', target)
		end
		for target, source in pairs(copypairs) do
			_p('\t%s \\', target)
		end
		_p('')
		--]]
	end


	function make.csEmbedFiles(prj, toolset)
		local cfg = project.getfirstconfig(prj)

		_p('EMBEDFILES += \\')
		cs.listsources(prj, function(node)
			local fcfg = fileconfig.getconfig(node, cfg)
			local info = toolset.fileinfo(fcfg)
			if info.action == "EmbeddedResource" then
				return cs.getresourcefilename(cfg, node.relpath)
			end
		end)
		_p('')
	end


	function make.csFileRules(prj, toolset)
		--[[
		-- porting from 4.x
		_p('# Per-configuration copied file rules')
		for cfg in premake.eachconfig(prj) do
			_x('ifneq (,$(findstring %s,$(config)))', cfg.name:lower())
			for target, source in pairs(cfgpairs[cfg]) do
				premake.make_copyrule(source, target)
			end
			_p('endif')
			_p('')
		end

		_p('# Copied file rules')
		for target, source in pairs(copypairs) do
			premake.make_copyrule(source, target)
		end

		_p('# Embedded file rules')
		for _, fname in ipairs(embedded) do
			if path.getextension(fname) == ".resx" then
				_x('%s: %s', getresourcefilename(prj, fname), fname)
				_p('\t$(SILENT) $(RESGEN) $^ $@')
			end
			_p('')
		end
		--]]
	end


	function make.csFlags(cfg, toolset)
		_p('  FLAGS =%s', make.list(toolset.getflags(cfg)))
	end


	function make.csLinkCmd(cfg, toolset)
		local deps = premake.esc(config.getlinks(cfg, "dependencies", "fullpath"))
		_p('  DEPENDS =%s', make.list(deps))
		_p('  REFERENCES = %s', table.implode(deps, "/r:", "", " "))
	end


	function make.csProjectConfig(prj, toolset)
		-- To maintain compatibility with Visual Studio, these values must
		-- be set on the project level, and not per-configuration.
		local cfg = project.getfirstconfig(prj)

		local kindflag = "/t:" .. toolset.getkind(cfg):lower()
		local libdirs = table.implode(premake.esc(cfg.libdirs), "/lib:", "", " ")
		_p('FLAGS += %s', table.concat(table.join(kindflag, libdirs), " "))

		local refs = premake.esc(config.getlinks(cfg, "system", "fullpath"))
		_p('REFERENCES += %s', table.implode(refs, "/r:", "", " "))
		_p('')
	end


	function make.csSources(prj, toolset)
		local cfg = project.getfirstconfig(prj)

		_p('SOURCES += \\')
		cs.listsources(prj, function(node)
			local fcfg = fileconfig.getconfig(node, cfg)
			local info = toolset.fileinfo(fcfg)
			if info.action == "Compile" then
				return node.relpath
			end
		end)
		_p('')
	end


	function make.csTargetRules(prj, toolset)
		_p('$(TARGET): $(SOURCES) $(EMBEDFILES) $(DEPENDS)')
		_p('\t$(SILENT) $(CSC) /nologo /out:$@ $(FLAGS) $(REFERENCES) $(SOURCES) $(patsubst %%,/resource:%%,$(EMBEDFILES))')
		_p('\t$(POSTBUILDCMDS)')
		_p('')
	end


	function make.csTools(cfg, toolset)
		_p('  CSC = %s', toolset.gettoolname(cfg, "csc"))
		_p('  RESGEN = %s', toolset.gettoolname(cfg, "resgen"))
	end