C preprocessor; tabgen; now the pc86 boot.s builds using the ack

toolchain.

lang/cem/cpp.ansi/build.lua

@@ -0,0 +1,110 @@
+include("util/cmisc/build.lua")
+
+local allocd_header = definerule(null,
+	{
+		srcs = { type="targets" }
+	},
+	function (e)
+		return normalrule {
+			name = e.name,
+			ins = {
+				"./make.allocd",
+				unpack(e.srcs)
+			},
+			outleaves = replace(basename(e.srcs), "%.str$", ".h"),
+			commands = {
+				"%{ins[1]} < %{ins[2]} > %{outs}"
+			}
+		}
+	end
+)
+
+allocd_header {
+	name = "macro_h",
+	srcs = { "./macro.str" }
+}
+
+allocd_header {
+	name = "replace_h",
+	srcs = { "./replace.str" }
+}
+
+normalrule {
+	name = "tokenfile_g",
+	ins = {
+		"./make.tokfile",
+		"./tokenname.c",
+	},
+	outleaves = { "tokenfile.g" },
+	commands = {
+		"sh %{ins[1]} < %{ins[2]} > %{outs}"
+	}
+}
+
+normalrule {
+	name = "symbol2str_c",
+	ins = {
+		"./make.tokcase",
+		"./tokenname.c",
+	},
+	outleaves = { "symbol2str.c" },
+	commands = {
+		"sh %{ins[1]} < %{ins[2]} > %{outs}"
+	}
+}
+
+normalrule {
+	name = "next_c",
+	ins = {
+		"./make.next",
+		"./*.str",
+	},
+	outleaves = { "next.c" },
+	commands = {
+		"sh %{ins} > %{outs}"
+	}
+}
+
+llgen {
+	name = "llgen",
+	srcs = {
+		"+tokenfile_g",
+		"./expression.g"
+	}
+}
+
+tabgen {
+	name = "tabgen_c",
+	srcs = { "./char.tab" }
+}
+
+cprogram {
+	name = "cpp",
+	srcs = {
+		"./*.c",
+		"+llgen",
+		"+next_c",
+		"+symbol2str_c",
+		"+tabgen_c",
+	},
+	deps = {
+		"+llgen",
+		"+macro_h",
+		"+replace_h",
+		"modules+headers",
+		"modules/src/alloc+lib",
+		"modules/src/idf+lib",
+		"modules/src/input+lib",
+		"modules/src/print+lib",
+		"modules/src/string+lib",
+		"modules/src/system+lib",
+	}
+}
+
+installable {
+	name = "pkg",
+	map = {
+		["$(PLATDEP)/cpp.ansi"] = "+cpp"
+	}
+}
+