src/Pure/Isar/isar_cmd.ML
author wenzelm
Tue Nov 17 14:12:13 1998 +0100 (1998-11-17 ago)
changeset 5913 c543568ccaca
parent 5895 457b42674b57
child 5991 832ec852fc4e
permissions -rw-r--r--
break: exhibit state;
removed print_thm;
     1 (*  Title:      Pure/Isar/isar_cmd.ML
     2     ID:         $Id$
     3     Author:     Markus Wenzel, TU Muenchen
     4 
     5 Non-logical toplevel commands.
     6 *)
     7 
     8 signature ISAR_CMD =
     9 sig
    10   val break: Toplevel.transition -> Toplevel.transition
    11   val exit: Toplevel.transition -> Toplevel.transition
    12   val quit: Toplevel.transition -> Toplevel.transition
    13   val use: string -> Toplevel.transition -> Toplevel.transition
    14   val use_mltext_theory: string -> Toplevel.transition -> Toplevel.transition
    15   val use_mltext: string -> Toplevel.transition -> Toplevel.transition
    16   val use_commit: Toplevel.transition -> Toplevel.transition
    17   val cd: string -> Toplevel.transition -> Toplevel.transition
    18   val pwd: Toplevel.transition -> Toplevel.transition
    19   val use_thy: string -> Toplevel.transition -> Toplevel.transition
    20   val load: string -> Toplevel.transition -> Toplevel.transition
    21   val print_theory: Toplevel.transition -> Toplevel.transition
    22   val print_syntax: Toplevel.transition -> Toplevel.transition
    23   val print_theorems: Toplevel.transition -> Toplevel.transition
    24   val print_attributes: Toplevel.transition -> Toplevel.transition
    25   val print_methods: Toplevel.transition -> Toplevel.transition
    26   val print_binds: Toplevel.transition -> Toplevel.transition
    27   val print_lthms: Toplevel.transition -> Toplevel.transition
    28   val print_thms: xstring * Args.src list -> Toplevel.transition -> Toplevel.transition
    29   val print_prop: string -> Toplevel.transition -> Toplevel.transition
    30   val print_term: string -> Toplevel.transition -> Toplevel.transition
    31   val print_type: string -> Toplevel.transition -> Toplevel.transition
    32 end;
    33 
    34 structure IsarCmd: ISAR_CMD =
    35 struct
    36 
    37 
    38 (* variations on exit *)
    39 
    40 val break = Toplevel.keep (fn state => raise Toplevel.BREAK state);
    41 
    42 val exit = Toplevel.keep (fn state =>
    43   (Context.set_context (try Toplevel.theory_of state);
    44     writeln "Leaving the Isar loop.  Invoke 'main_loop();' to restart.";
    45     raise Toplevel.TERMINATE));
    46 
    47 val quit = Toplevel.imperative quit;
    48 
    49 
    50 (* use ML text *)
    51 
    52 fun use name = Toplevel.imperative (fn () => Use.use name);
    53 
    54 (*passes changes of theory context*)
    55 val use_mltext_theory = Toplevel.theory o IsarThy.use_mltext_theory;
    56 
    57 (*ignore result theory context*)
    58 fun use_mltext txt = Toplevel.keep (fn state =>
    59   (IsarThy.use_mltext txt (try Toplevel.theory_of state); ()));
    60 
    61 (*Note: commit is dynamically bound*)
    62 val use_commit = use_mltext "commit();";
    63 
    64 
    65 (* current working directory *)
    66 
    67 fun print_cd _ = writeln (Library.pwd ());
    68 
    69 fun cd dir = Toplevel.imperative (fn () => (Use.cd dir; print_cd ()));
    70 val pwd = Toplevel.imperative print_cd;
    71 
    72 
    73 (* load theory files *)
    74 
    75 fun use_thy name = Toplevel.imperative (fn () => ThyRead.use_thy name);
    76 
    77 fun load name =
    78   Toplevel.imperative (fn () => Toplevel.excursion (OuterSyntax.read_file (name ^ ".thy")));
    79 
    80 
    81 (* print theory contents *)
    82 
    83 val print_theory = Toplevel.keep (PureThy.print_theory o Toplevel.theory_of);
    84 val print_syntax = Toplevel.keep (Display.print_syntax o Toplevel.theory_of);
    85 val print_theorems = Toplevel.keep (PureThy.print_theorems o Toplevel.theory_of);
    86 val print_attributes = Toplevel.keep (Attrib.print_attributes o Toplevel.theory_of);
    87 val print_methods = Toplevel.keep (Method.print_methods o Toplevel.theory_of);
    88 
    89 
    90 (* print proof context contents *)
    91 
    92 val print_binds = Toplevel.keep (ProofContext.print_binds o Proof.context_of o Toplevel.proof_of);
    93 val print_lthms = Toplevel.keep (ProofContext.print_thms o Proof.context_of o Toplevel.proof_of);
    94 
    95 
    96 (* print theorems *)
    97 
    98 fun global_attribs thy ths srcs =
    99   #2 (Attribute.applys ((Theory.copy thy, ths), map (Attrib.global_attribute thy) srcs));
   100 
   101 fun local_attribs st ths srcs =
   102   #2 (Attribute.applys ((Proof.context_of st, ths),
   103     map (Attrib.local_attribute (Proof.theory_of st)) srcs));
   104 
   105 fun print_thms (name, srcs) = Toplevel.keep (fn state =>
   106   let
   107     val ths = map (apfst (Thm.transfer (Toplevel.theory_of state)))
   108       (Toplevel.node_cases PureThy.get_tthms (ProofContext.get_tthms o Proof.context_of)
   109         state name);
   110     val ths' = Toplevel.node_cases global_attribs local_attribs state ths srcs;
   111   in Attribute.print_tthms ths' end);
   112 
   113 
   114 (* print types, terms and props *)
   115 
   116 fun read_typ thy = Sign.read_typ (Theory.sign_of thy, K None);
   117 
   118 fun read_term T thy s =
   119   Thm.term_of (#1 (Thm.read_def_cterm (Theory.sign_of thy, K None, K None) [] true (s, T)));
   120 
   121 
   122 fun print_type s = Toplevel.keep (fn state =>
   123   let
   124     val sign = Toplevel.sign_of state;
   125     val T = Toplevel.node_cases read_typ (ProofContext.read_typ o Proof.context_of) state s;
   126   in Pretty.writeln (Pretty.quote (Sign.pretty_typ sign T)) end);
   127 
   128 fun print_term s = Toplevel.keep (fn state =>
   129   let
   130     val sign = Toplevel.sign_of state;
   131     val t = Toplevel.node_cases (read_term (TVar (("'z", 0), logicS)))
   132       (ProofContext.read_term o Proof.context_of) state s;
   133     val T = Term.type_of t;
   134   in
   135     Pretty.writeln (Pretty.block [Pretty.quote (Sign.pretty_term sign t), Pretty.fbrk,
   136       Pretty.str "::", Pretty.brk 1, Pretty.quote (Sign.pretty_typ sign T)])
   137   end);
   138 
   139 fun print_prop s = Toplevel.keep (fn state =>
   140   let
   141     val sign = Toplevel.sign_of state;
   142     val prop =
   143       Toplevel.node_cases (read_term propT) (ProofContext.read_prop o Proof.context_of) state s;
   144   in Pretty.writeln (Pretty.quote (Sign.pretty_term sign prop)) end);
   145 
   146 
   147 end;