more conventional theory syntax for ML bootstrap, with 'ML_file' instead of 'use';
avoid slowdown of Resources.loaded_files due to command name 'use' in Pure base syntax;
(* Title: Pure/ML/ml_compiler2.ML
Author: Makarius
Isabelle/ML file operations.
*)
val {ML_file, ML_file_debug, ML_file_no_debug} =
ML_Compiler0.ML_file_operations (fn opt_debug => fn file =>
let val flags = ML_Compiler.verbose true (ML_Compiler.debug_flags opt_debug) in
ML_Context.eval_file flags (Path.explode file)
handle ERROR msg => (writeln msg; error "ML error")
end);