Support project-level custom rule variables for VS 201x

src/_premake_init.lua

@@ -136,12 +136,6 @@
 		tokens = true,
 	}
 
-	api.register {
-		name = "customRule",
-		scope = "config",
-		kind = "string",
-	}
-
 	api.register {
 		name = "customRules",
 		scope = "project",

src/actions/vstudio/vs2010_vcxproj.lua

@@ -240,7 +240,7 @@
 	m.elements.itemDefinitionGroup = function(cfg)
 		if cfg.kind == p.UTILITY then
 			return {
-
+				m.customRuleVars,
 			}
 		else
 			return {
@@ -251,6 +251,7 @@
 				m.buildEvents,
 				m.imageXex,
 				m.deploy,
+				m.customRuleVars,
 			}
 		end
 	end
@@ -462,6 +463,44 @@
 	end
 
 
+
+---
+-- Write out project-level custom rule variables.
+---
+
+	function m.customRuleVars(cfg)
+		local vars = p.api.getCustomVars()
+		table.foreachi(cfg.project._customRules, function(rule)
+			local contents = p.capture(function ()
+				p.push()
+				for _, var in ipairs(vars) do
+					if cfg[var] then
+						local key = p.api.getCustomVarKey(var)
+						local value = cfg[var]
+
+						if type(value) == "table" then
+							local fmt = p.api.getCustomListFormat(var)
+							value = table.concat(value, fmt[1])
+						end
+
+						if value and #value > 0 then
+							m.element(key, nil, '%s', value)
+						end
+					end
+				end
+				p.pop()
+			end)
+
+			if #contents > 0 then
+				p.push('<%s>', rule)
+				p.outln(contents)
+				p.pop('</%s>', rule)
+			end
+		end)
+	end
+
+
+
 --
 -- Reference any managed assemblies listed in the links()
 --
@@ -703,8 +742,8 @@
 			local fcfg = fileconfig.getconfig(file, cfg)
 			if fileconfig.hasCustomBuildRule(fcfg) then
 				return "CustomBuild"
-			elseif fcfg and fcfg.customRule then
-				return fcfg.customRule
+			elseif fcfg and fcfg._customRule then
+				return fcfg._customRule
 			end
 		end
 

src/base/api.lua

@@ -992,13 +992,14 @@
 		local fieldName = "_custom_" .. name
 		local field = premake.field.get(fieldName)
 		if not field then
-			api.register {
+			field = premake.field.new {
 				name = fieldName,
 				scope = "config",
-				kind = kind
+				kind = kind,
+				tokens = true,
 			}
 		end
-		_G[fieldName](value)
+		api.callback(field, value)
 	end
 
 
@@ -1030,3 +1031,41 @@
 		table.remove(value, 1)
 		api._customVarFormats[name] = value
 	end
+
+
+	function customRule(value)
+		-- Store the rule name in the current configuration, like a
+		-- normal set-field operation would
+		local fieldName = "_customRule"
+		local field = premake.field.get(fieldName)
+		if not field then
+			field = premake.field.new {
+				name = fieldName,
+				scope = "config",
+				kind = "string",
+			}
+		end
+		api.callback(field, value)
+
+		-- Wild hack: I need a way to get all of the custom rule names that are
+		-- in use within a project. The rule names are currently only associated
+		-- with individual files. Rather than iterating over all the files after
+		-- the fact, keep a master list of rule names in the first configuration
+		-- block of the project. This way it will come out of the baking system
+		-- looking like a normal list:string field.
+		fieldName = "_customRules"
+		field = premake.field.get(fieldName)
+		if not field then
+			field = premake.field.new {
+				name = fieldName,
+				scope = "config",
+				kind = "list:string"
+			}
+		end
+
+		local cset = api.gettarget()
+		local current = cset.current
+		cset.current = cset.blocks[1]
+		api.callback(field, value)
+		cset.current = current
+	end

tests/actions/vstudio/vc2010/test_files.lua

@@ -530,6 +530,24 @@
 	end
 
 
+	function suite.customRule_onLiteralPath()
+		targetdir "../bin/%{cfg.buildcfg}"
+		files { "hello.dae" }
+		filter "files:**.dae"
+			customRule "Animation"
+			customVar { "OutputDirectory", "%{cfg.targetdir}/anim" }
+		prepare()
+		test.capture [[
+<ItemGroup>
+	<Animation Include="hello.dae">
+		<OutputDirectory Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">../bin/Debug/anim</OutputDirectory>
+		<OutputDirectory Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">../bin/Release/anim</OutputDirectory>
+	</Animation>
+</ItemGroup>
+		]]
+	end
+
+
 	function suite.customRule_onPerConfigLiteralVars()
 		files { "hello.dae" }
 		filter { "files:**.dae" }