prepare c_library meta-program a bit

gen_c_library/c_library.cpp

@@ -18,4 +18,49 @@ GEN_NS_END
 
 using namespace gen;
 
+void format_file( char const* path )
+{
+	String resolved_path = String::make(GlobalAllocator, to_str(path));
 
+	String style_arg = String::make(GlobalAllocator, txt("-style=file:"));
+	style_arg.append("../scripts/.clang-format ");
+
+	// Need to execute clang format on the generated file to get it to match the original.
+	#define clang_format      "clang-format "
+	#define cf_format_inplace "-i "
+	#define cf_verbose        "-verbose "
+	String command = String::make( GlobalAllocator, clang_format );
+	command.append( cf_format_inplace );
+	command.append( cf_verbose );
+	command.append( style_arg );
+	command.append( resolved_path );
+		log_fmt("\tRunning clang-format on file:\n");
+		system( command );
+		log_fmt("\tclang-format finished reformatting.\n");
+	#undef cf_cmd
+	#undef cf_format_inplace
+	#undef cf_style
+	#undef cf_verbse
+}
+
+Code dump_to_scratch_and_retireve( Code code )
+{
+	Builder ecode_file_temp = Builder::open("gen/scratch.hpp");
+	ecode_file_temp.print(code);
+	ecode_file_temp.write();
+	format_file("gen/scratch.hpp");
+	Code result = scan_file( "gen/scratch.hpp" );
+	remove("gen/scratch.hpp");
+	return result;
+}
+
+int gen_main()
+{
+#define project_dir "../project/"
+	gen::init();
+
+
+	gen::deinit();
+	return 0;
+#undef project_dir
+}