public Result compile(SourceFile extern, SourceFile input, CompilerOptions options) {
    return compile(ImmutableList.of(extern), ImmutableList.of(input), options);
  }
public Result compile ( SourceFile extern , SourceFile input , CompilerOptions options ) { return compile ( ImmutableList . of ( extern ) , ImmutableList . of ( input ) , options ) ; }
Compiles a single source file and a single externs file.