src/Pure/pure_setup.ML

added eq_group;
opaque signature match prevents accidental task/group equality;
added cancel_all;

(*  Title:      Pure/pure_setup.ML
    Author:     Makarius

Pure theory and ML toplevel setup.
*)

(* ML toplevel use commands *)

fun use name          = Toplevel.program (fn () => ThyInfo.use name);
fun use_thys name     = Toplevel.program (fn () => ThyInfo.use_thys name);
fun use_thy name      = Toplevel.program (fn () => ThyInfo.use_thy name);
fun time_use name     = Toplevel.program (fn () => ThyInfo.time_use name);
fun time_use_thy name = Toplevel.program (fn () => ThyInfo.time_use_thy name);


(* the Pure theories *)

val theory = ThyInfo.get_theory;

Context.>> (Context.map_theory
 (OuterSyntax.process_file (Path.explode "Pure.thy") #>
  Theory.end_theory));
structure Pure = struct val thy = ML_Context.the_global_context () end;
Context.set_thread_data NONE;
ThyInfo.register_theory Pure.thy;


(* ML toplevel pretty printing *)

install_pp (make_pp ["Task_Queue", "task"] (Pretty.pprint o Pretty.str o Task_Queue.str_of_task));
install_pp (make_pp ["Task_Queue", "group"] (Pretty.pprint o Pretty.str o Task_Queue.str_of_group));
install_pp (make_pp ["Position", "T"] (Pretty.pprint o Pretty.enum "," "{" "}" o
  map (fn (x, y) => Pretty.str (x ^ "=" ^ y)) o Position.properties_of));
install_pp (make_pp ["Thm", "thm"] ProofDisplay.pprint_thm);
install_pp (make_pp ["Thm", "cterm"] ProofDisplay.pprint_cterm);
install_pp (make_pp ["Binding", "T"] (Pretty.pprint o Pretty.str o Binding.display));
install_pp (make_pp ["Thm", "ctyp"] ProofDisplay.pprint_ctyp);
install_pp (make_pp ["Context", "theory"] Context.pprint_thy);
install_pp (make_pp ["Context", "theory_ref"] Context.pprint_thy_ref);
install_pp (make_pp ["Context", "proof"] ProofDisplay.pprint_context);
install_pp (make_pp ["Syntax", "ast"] Syntax.pprint_ast);
install_pp (make_pp ["typ"] (ProofDisplay.pprint_typ Pure.thy));
install_pp (make_pp ["Path", "T"] (Pretty.pprint o Pretty.str o quote o Path.implode));
install_pp (make_pp ["File", "ident"] (Pretty.pprint o Pretty.str o quote o File.rep_ident));

if String.isPrefix "polyml" ml_system then use "ML-Systems/install_pp_polyml.ML"
else ();


(* misc *)

val cd = File.cd o Path.explode;
ml_prompts "ML> " "ML# ";

Proofterm.proofs := 0;