src/Pure/Isar/isar_syn.ML
author wenzelm
Fri Jan 19 22:08:26 2007 +0100 (2007-01-19 ago)
changeset 22117 505e040bdcdb
parent 22088 4c53bb6e10e4
child 22202 0544af1a5117
permissions -rw-r--r--
renamed IsarOutput to ThyOutput;
moved parts of OuterParse to SpecParse;
renamed OuterParse locale_target to target;
     1 (*  Title:      Pure/Isar/isar_syn.ML
     2     ID:         $Id$
     3     Author:     Markus Wenzel, TU Muenchen
     4 
     5 Isar/Pure outer syntax.
     6 *)
     7 
     8 structure IsarSyn: sig end =
     9 struct
    10 
    11 structure P = OuterParse and K = OuterKeyword;
    12 
    13 
    14 (** init and exit **)
    15 
    16 val theoryP =
    17   OuterSyntax.command "theory" "begin theory" (K.tag_theory K.thy_begin)
    18     (ThyHeader.args >> (Toplevel.print oo IsarCmd.theory));
    19 
    20 val endP =
    21   OuterSyntax.command "end" "end (local) theory" (K.tag_theory K.thy_end)
    22     (Scan.succeed (Toplevel.exit o Toplevel.end_local_theory));
    23 
    24 
    25 (** markup commands **)
    26 
    27 val headerP = OuterSyntax.markup_command ThyOutput.Markup "header" "theory header" K.diag
    28   (P.position P.text >> IsarCmd.add_header);
    29 
    30 val chapterP = OuterSyntax.markup_command ThyOutput.Markup "chapter" "chapter heading"
    31   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_chapter);
    32 
    33 val sectionP = OuterSyntax.markup_command ThyOutput.Markup "section" "section heading"
    34   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_section);
    35 
    36 val subsectionP = OuterSyntax.markup_command ThyOutput.Markup "subsection" "subsection heading"
    37   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_subsection);
    38 
    39 val subsubsectionP =
    40   OuterSyntax.markup_command ThyOutput.Markup "subsubsection" "subsubsection heading"
    41   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_subsubsection);
    42 
    43 val textP = OuterSyntax.markup_command ThyOutput.MarkupEnv "text" "formal comment (theory)"
    44   K.thy_decl (P.opt_target -- P.position P.text >> IsarCmd.add_text);
    45 
    46 val text_rawP = OuterSyntax.markup_command ThyOutput.Verbatim "text_raw"
    47   "raw document preparation text"
    48   K.thy_decl (P.position P.text >> IsarCmd.add_text_raw);
    49 
    50 val sectP = OuterSyntax.markup_command ThyOutput.Markup "sect" "formal comment (proof)"
    51   (K.tag_proof K.prf_heading) (P.position P.text >> IsarCmd.add_sect);
    52 
    53 val subsectP = OuterSyntax.markup_command ThyOutput.Markup "subsect" "formal comment (proof)"
    54   (K.tag_proof K.prf_heading) (P.position P.text >> IsarCmd.add_subsect);
    55 
    56 val subsubsectP = OuterSyntax.markup_command ThyOutput.Markup "subsubsect"
    57   "formal comment (proof)" (K.tag_proof K.prf_heading)
    58   (P.position P.text >> IsarCmd.add_subsubsect);
    59 
    60 val txtP = OuterSyntax.markup_command ThyOutput.MarkupEnv "txt" "formal comment (proof)"
    61   (K.tag_proof K.prf_decl) (P.position P.text >> IsarCmd.add_txt);
    62 
    63 val txt_rawP = OuterSyntax.markup_command ThyOutput.Verbatim "txt_raw"
    64   "raw document preparation text (proof)" (K.tag_proof K.prf_decl)
    65   (P.position P.text >> IsarCmd.add_txt_raw);
    66 
    67 
    68 
    69 (** theory sections **)
    70 
    71 (* classes and sorts *)
    72 
    73 val classesP =
    74   OuterSyntax.command "classes" "declare type classes" K.thy_decl
    75     (Scan.repeat1 (P.name -- Scan.optional ((P.$$$ "\\<subseteq>" || P.$$$ "<") |--
    76         P.!!! (P.list1 P.xname)) []) >> (Toplevel.theory o fold AxClass.axiomatize_class));
    77 
    78 val classrelP =
    79   OuterSyntax.command "classrel" "state inclusion of type classes (axiomatic!)" K.thy_decl
    80     (P.and_list1 (P.xname -- ((P.$$$ "\\<subseteq>" || P.$$$ "<") |-- P.!!! P.xname))
    81     >> (Toplevel.theory o AxClass.axiomatize_classrel));
    82 
    83 val defaultsortP =
    84   OuterSyntax.command "defaultsort" "declare default sort" K.thy_decl
    85     (P.sort >> (Toplevel.theory o Theory.add_defsort));
    86 
    87 val axclassP =
    88   OuterSyntax.command "axclass" "define axiomatic type class" K.thy_decl
    89     (P.name -- Scan.optional ((P.$$$ "\\<subseteq>" || P.$$$ "<") |--
    90         P.!!! (P.list1 P.xname)) []
    91         -- Scan.optional (P.$$$ "(" |-- P.$$$ "attach" |-- Scan.repeat P.term --| P.$$$ ")") []
    92         -- Scan.repeat (SpecParse.thm_name ":" -- (P.prop >> single))
    93       >> (fn ((x, y), z) => Toplevel.theory (snd o AxClass.define_class x y z)));
    94 
    95 
    96 (* types *)
    97 
    98 val typedeclP =
    99   OuterSyntax.command "typedecl" "type declaration" K.thy_decl
   100     (P.type_args -- P.name -- P.opt_infix >> (fn ((args, a), mx) =>
   101       Toplevel.theory (Theory.add_typedecls [(a, args, mx)])));
   102 
   103 val typeabbrP =
   104   OuterSyntax.command "types" "declare type abbreviations" K.thy_decl
   105     (Scan.repeat1
   106       (P.type_args -- P.name -- (P.$$$ "=" |-- P.!!! (P.typ -- P.opt_infix')))
   107       >> (Toplevel.theory o Theory.add_tyabbrs o
   108         map (fn ((args, a), (T, mx)) => (a, args, T, mx))));
   109 
   110 val nontermP =
   111   OuterSyntax.command "nonterminals" "declare types treated as grammar nonterminal symbols"
   112     K.thy_decl (Scan.repeat1 P.name >> (Toplevel.theory o Theory.add_nonterminals));
   113 
   114 val aritiesP =
   115   OuterSyntax.command "arities" "state type arities (axiomatic!)" K.thy_decl
   116     (Scan.repeat1 (P.xname -- (P.$$$ "::" |-- P.!!! P.arity) >> P.triple2)
   117       >> (Toplevel.theory o fold AxClass.axiomatize_arity));
   118 
   119 
   120 (* consts and syntax *)
   121 
   122 val judgmentP =
   123   OuterSyntax.command "judgment" "declare object-logic judgment" K.thy_decl
   124     (P.const >> (Toplevel.theory o ObjectLogic.add_judgment));
   125 
   126 val constsP =
   127   OuterSyntax.command "consts" "declare constants" K.thy_decl
   128     (Scan.repeat1 P.const >> (Toplevel.theory o Theory.add_consts));
   129 
   130 val opt_overloaded = P.opt_keyword "overloaded";
   131 
   132 val finalconstsP =
   133   OuterSyntax.command "finalconsts" "declare constants as final" K.thy_decl
   134     (opt_overloaded -- Scan.repeat1 P.term >> (uncurry (Toplevel.theory oo Theory.add_finals)));
   135 
   136 val mode_spec =
   137   (P.$$$ "output" >> K ("", false)) || P.name -- Scan.optional (P.$$$ "output" >> K false) true;
   138 
   139 val opt_mode =
   140   Scan.optional (P.$$$ "(" |-- P.!!! (mode_spec --| P.$$$ ")")) Syntax.default_mode;
   141 
   142 val syntaxP =
   143   OuterSyntax.command "syntax" "declare syntactic constants" K.thy_decl
   144     (opt_mode -- Scan.repeat1 P.const >> (Toplevel.theory o uncurry Theory.add_modesyntax));
   145 
   146 val no_syntaxP =
   147   OuterSyntax.command "no_syntax" "delete syntax declarations" K.thy_decl
   148     (opt_mode -- Scan.repeat1 P.const >> (Toplevel.theory o uncurry Theory.del_modesyntax));
   149 
   150 
   151 (* translations *)
   152 
   153 val trans_pat =
   154   Scan.optional (P.$$$ "(" |-- P.!!! (P.xname --| P.$$$ ")")) "logic" -- P.string;
   155 
   156 fun trans_arrow toks =
   157   ((P.$$$ "\\<rightharpoonup>" || P.$$$ "=>") >> K Syntax.ParseRule ||
   158     (P.$$$ "\\<leftharpoondown>" || P.$$$ "<=") >> K Syntax.PrintRule ||
   159     (P.$$$ "\\<rightleftharpoons>" || P.$$$ "==") >> K Syntax.ParsePrintRule) toks;
   160 
   161 val trans_line =
   162   trans_pat -- P.!!! (trans_arrow -- trans_pat)
   163     >> (fn (left, (arr, right)) => arr (left, right));
   164 
   165 val translationsP =
   166   OuterSyntax.command "translations" "declare syntax translation rules" K.thy_decl
   167     (Scan.repeat1 trans_line >> (Toplevel.theory o Theory.add_trrules));
   168 
   169 val no_translationsP =
   170   OuterSyntax.command "no_translations" "remove syntax translation rules" K.thy_decl
   171     (Scan.repeat1 trans_line >> (Toplevel.theory o Theory.del_trrules));
   172 
   173 
   174 (* axioms and definitions *)
   175 
   176 val axiomsP =
   177   OuterSyntax.command "axioms" "state arbitrary propositions (axiomatic!)" K.thy_decl
   178     (Scan.repeat1 SpecParse.spec_name >> (Toplevel.theory o IsarCmd.add_axioms));
   179 
   180 val opt_unchecked_overloaded =
   181   Scan.optional (P.$$$ "(" |-- P.!!!
   182     (((P.$$$ "unchecked" >> K true) -- Scan.optional (P.$$$ "overloaded" >> K true) false ||
   183       P.$$$ "overloaded" >> K (false, true)) --| P.$$$ ")")) (false, false);
   184 
   185 val defsP =
   186   OuterSyntax.command "defs" "define constants" K.thy_decl
   187     (opt_unchecked_overloaded -- Scan.repeat1 SpecParse.spec_name
   188       >> (Toplevel.theory o IsarCmd.add_defs));
   189 
   190 
   191 (* old constdefs *)
   192 
   193 val old_constdecl =
   194   P.name --| P.where_ >> (fn x => (x, NONE, NoSyn)) ||
   195   P.name -- (P.$$$ "::" |-- P.!!! P.typ >> SOME) -- P.opt_mixfix'
   196     --| Scan.option P.where_ >> P.triple1 ||
   197   P.name -- (P.mixfix >> pair NONE) --| Scan.option P.where_ >> P.triple2;
   198 
   199 val old_constdef = Scan.option old_constdecl -- (SpecParse.opt_thm_name ":" -- P.prop);
   200 
   201 val structs =
   202   Scan.optional ((P.$$$ "(" -- P.$$$ "structure") |-- P.!!! (P.simple_fixes --| P.$$$ ")")) [];
   203 
   204 val constdefsP =
   205   OuterSyntax.command "constdefs" "old-style constant definition" K.thy_decl
   206     (structs -- Scan.repeat1 old_constdef >> (Toplevel.theory o Constdefs.add_constdefs));
   207 
   208 
   209 (* constant definitions and abbreviations *)
   210 
   211 val constdecl =
   212   P.name --
   213     (P.where_ >> K (NONE, NoSyn) ||
   214       P.$$$ "::" |-- P.!!! ((P.typ >> SOME) -- P.opt_mixfix' --| P.where_) ||
   215       Scan.ahead (P.$$$ "(") |-- P.!!! (P.mixfix' --| P.where_ >> pair NONE))
   216   >> P.triple2;
   217 
   218 val constdef = Scan.option constdecl -- (SpecParse.opt_thm_name ":" -- P.prop);
   219 
   220 val definitionP =
   221   OuterSyntax.command "definition" "constant definition" K.thy_decl
   222     (P.opt_target -- constdef
   223     >> (fn (loc, args) => Toplevel.local_theory loc (#2 o Specification.definition args)));
   224 
   225 val abbreviationP =
   226   OuterSyntax.command "abbreviation" "constant abbreviation" K.thy_decl
   227     (P.opt_target -- opt_mode -- (Scan.option constdecl -- P.prop)
   228     >> (fn ((loc, mode), args) =>
   229         Toplevel.local_theory loc (Specification.abbreviation mode args)));
   230 
   231 val notationP =
   232   OuterSyntax.command "notation" "variable/constant syntax" K.thy_decl
   233     (P.opt_target -- opt_mode -- P.and_list1 (P.xname -- P.mixfix)
   234     >> (fn ((loc, mode), args) =>
   235         Toplevel.local_theory loc (Specification.notation mode args)));
   236 
   237 
   238 (* constant specifications *)
   239 
   240 val axiomatizationP =
   241   OuterSyntax.command "axiomatization" "axiomatic constant specification" K.thy_decl
   242     (P.opt_target --
   243      (Scan.optional P.fixes [] --
   244       Scan.optional (P.where_ |-- P.!!! (P.and_list1 SpecParse.spec)) [])
   245     >> (fn (loc, (x, y)) => Toplevel.local_theory loc (#2 o Specification.axiomatization x y)));
   246 
   247 
   248 (* theorems *)
   249 
   250 fun theorems kind = P.opt_target -- SpecParse.name_facts
   251   >> (fn (loc, args) => Toplevel.local_theory loc (#2 o Specification.theorems kind args));
   252 
   253 val theoremsP =
   254   OuterSyntax.command "theorems" "define theorems" K.thy_decl (theorems Thm.theoremK);
   255 
   256 val lemmasP =
   257   OuterSyntax.command "lemmas" "define lemmas" K.thy_decl (theorems Thm.lemmaK);
   258 
   259 val declareP =
   260   OuterSyntax.command "declare" "declare theorems (improper)" K.thy_script
   261     (P.opt_target -- (P.and_list1 SpecParse.xthms1 >> flat)
   262       >> (fn (loc, args) => Toplevel.local_theory loc
   263           (#2 o Specification.theorems "" [(("", []), args)])));
   264 
   265 
   266 (* name space entry path *)
   267 
   268 val globalP =
   269   OuterSyntax.command "global" "disable prefixing of theory name" K.thy_decl
   270     (Scan.succeed (Toplevel.theory Sign.root_path));
   271 
   272 val localP =
   273   OuterSyntax.command "local" "enable prefixing of theory name" K.thy_decl
   274     (Scan.succeed (Toplevel.theory Sign.local_path));
   275 
   276 val hideP =
   277   OuterSyntax.command "hide" "hide names from given name space" K.thy_decl
   278     ((P.opt_keyword "open" >> not) -- (P.name -- Scan.repeat1 P.xname) >>
   279       (Toplevel.theory o uncurry Sign.hide_names));
   280 
   281 
   282 (* use ML text *)
   283 
   284 val useP =
   285   OuterSyntax.command "use" "eval ML text from file" (K.tag_ml K.diag)
   286     (P.path >> (Toplevel.no_timing oo IsarCmd.use));
   287 
   288 val mlP =
   289   OuterSyntax.command "ML" "eval ML text (diagnostic)" (K.tag_ml K.diag)
   290     (P.text >> IsarCmd.use_mltext true);
   291 
   292 val ml_commandP =
   293   OuterSyntax.command "ML_command" "eval ML text" (K.tag_ml K.diag)
   294     (P.text >> (Toplevel.no_timing oo IsarCmd.use_mltext false));
   295 
   296 val ml_setupP =
   297   OuterSyntax.command "ML_setup" "eval ML text (may change theory)" (K.tag_ml K.thy_decl)
   298     (P.text >> IsarCmd.use_mltext_theory);
   299 
   300 val setupP =
   301   OuterSyntax.command "setup" "apply ML theory setup" (K.tag_ml K.thy_decl)
   302     (Scan.option P.text >> (Toplevel.theory o IsarCmd.generic_setup));
   303 
   304 val method_setupP =
   305   OuterSyntax.command "method_setup" "define proof method in ML" (K.tag_ml K.thy_decl)
   306     (((P.name -- P.!!! (P.$$$ "=" |-- P.text -- P.text) >> P.triple2))
   307       >> (Toplevel.theory o Method.method_setup));
   308 
   309 val declarationP =
   310   OuterSyntax.command "declaration" "generic ML declaration" (K.tag_ml K.thy_decl)
   311     (P.opt_target -- P.text
   312     >> (fn (loc, txt) => Toplevel.local_theory loc (IsarCmd.declaration txt)));
   313 
   314 
   315 (* translation functions *)
   316 
   317 val trfun = P.opt_keyword "advanced" -- P.text;
   318 
   319 val parse_ast_translationP =
   320   OuterSyntax.command "parse_ast_translation" "install parse ast translation functions"
   321     (K.tag_ml K.thy_decl)
   322     (trfun >> (Toplevel.theory o IsarCmd.parse_ast_translation));
   323 
   324 val parse_translationP =
   325   OuterSyntax.command "parse_translation" "install parse translation functions"
   326     (K.tag_ml K.thy_decl)
   327     (trfun >> (Toplevel.theory o IsarCmd.parse_translation));
   328 
   329 val print_translationP =
   330   OuterSyntax.command "print_translation" "install print translation functions"
   331     (K.tag_ml K.thy_decl)
   332     (trfun >> (Toplevel.theory o IsarCmd.print_translation));
   333 
   334 val typed_print_translationP =
   335   OuterSyntax.command "typed_print_translation" "install typed print translation functions"
   336     (K.tag_ml K.thy_decl)
   337     (trfun >> (Toplevel.theory o IsarCmd.typed_print_translation));
   338 
   339 val print_ast_translationP =
   340   OuterSyntax.command "print_ast_translation" "install print ast translation functions"
   341     (K.tag_ml K.thy_decl)
   342     (trfun >> (Toplevel.theory o IsarCmd.print_ast_translation));
   343 
   344 val token_translationP =
   345   OuterSyntax.command "token_translation" "install token translation functions"
   346     (K.tag_ml K.thy_decl)
   347     (P.text >> (Toplevel.theory o IsarCmd.token_translation));
   348 
   349 
   350 (* oracles *)
   351 
   352 val oracleP =
   353   OuterSyntax.command "oracle" "declare oracle" (K.tag_ml K.thy_decl)
   354     (P.name -- (P.$$$ "(" |-- P.text --| P.$$$ ")" --| P.$$$ "=")
   355       -- P.text >> (Toplevel.theory o IsarCmd.oracle o P.triple1));
   356 
   357 
   358 (* local theories *)
   359 
   360 val contextP =
   361   OuterSyntax.command "context" "enter local theory context" K.thy_decl
   362     (P.name --| P.begin >> (fn name =>
   363       Toplevel.print o Toplevel.begin_local_theory true (TheoryTarget.init (SOME name))));
   364 
   365 
   366 (* locales *)
   367 
   368 val locale_val =
   369   (SpecParse.locale_expr --
   370     Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 SpecParse.context_element)) [] ||
   371   Scan.repeat1 SpecParse.context_element >> pair Locale.empty);
   372 
   373 val localeP =
   374   OuterSyntax.command "locale" "define named proof context" K.thy_decl
   375     ((P.opt_keyword "open" >> not) -- P.name
   376         -- Scan.optional (P.$$$ "=" |-- P.!!! locale_val) (Locale.empty, [])
   377         -- P.opt_begin
   378       >> (fn (((is_open, name), (expr, elems)), begin) =>
   379           (begin ? Toplevel.print) o Toplevel.begin_local_theory begin
   380             (Locale.add_locale is_open name expr elems #-> TheoryTarget.begin false)));
   381 
   382 val interpretationP =
   383   OuterSyntax.command "interpretation"
   384     "prove and register interpretation of locale expression in theory or locale" K.thy_goal
   385     (P.xname --| (P.$$$ "\\<subseteq>" || P.$$$ "<") -- P.!!! SpecParse.locale_expr
   386       >> (Toplevel.print oo (Toplevel.theory_to_proof o Locale.interpretation_in_locale I)) ||
   387       SpecParse.opt_thm_name ":" -- SpecParse.locale_expr -- SpecParse.locale_insts >> (fn ((x, y), z) =>
   388         Toplevel.print o Toplevel.theory_to_proof (Locale.interpretation I x y z)));
   389 
   390 val interpretP =
   391   OuterSyntax.command "interpret"
   392     "prove and register interpretation of locale expression in proof context"
   393     (K.tag_proof K.prf_goal)
   394     (SpecParse.opt_thm_name ":" -- SpecParse.locale_expr -- SpecParse.locale_insts
   395       >> (fn ((x, y), z) => Toplevel.print o Toplevel.proof' (Locale.interpret Seq.single x y z)));
   396 
   397 
   398 
   399 (** proof commands **)
   400 
   401 (* statements *)
   402 
   403 fun gen_theorem kind =
   404   OuterSyntax.command kind ("state " ^ kind) K.thy_goal
   405     (P.opt_target -- Scan.optional (SpecParse.opt_thm_name ":" --|
   406       Scan.ahead (SpecParse.locale_keyword || SpecParse.statement_keyword)) ("", []) --
   407       SpecParse.general_statement >> (fn ((loc, a), (elems, concl)) =>
   408       (Toplevel.print o
   409        Toplevel.local_theory_to_proof loc
   410          (Specification.theorem kind NONE (K I) a elems concl))));
   411 
   412 val theoremP = gen_theorem Thm.theoremK;
   413 val lemmaP = gen_theorem Thm.lemmaK;
   414 val corollaryP = gen_theorem Thm.corollaryK;
   415 
   416 val haveP =
   417   OuterSyntax.command "have" "state local goal"
   418     (K.tag_proof K.prf_goal)
   419     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.have));
   420 
   421 val henceP =
   422   OuterSyntax.command "hence" "abbreviates \"then have\""
   423     (K.tag_proof K.prf_goal)
   424     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.hence));
   425 
   426 val showP =
   427   OuterSyntax.command "show" "state local goal, solving current obligation"
   428     (K.tag_proof K.prf_asm_goal)
   429     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.show));
   430 
   431 val thusP =
   432   OuterSyntax.command "thus" "abbreviates \"then show\""
   433     (K.tag_proof K.prf_asm_goal)
   434     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.thus));
   435 
   436 
   437 (* facts *)
   438 
   439 val facts = P.and_list1 SpecParse.xthms1;
   440 
   441 val thenP =
   442   OuterSyntax.command "then" "forward chaining"
   443     (K.tag_proof K.prf_chain)
   444     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.chain));
   445 
   446 val fromP =
   447   OuterSyntax.command "from" "forward chaining from given facts"
   448     (K.tag_proof K.prf_chain)
   449     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.from_thmss)));
   450 
   451 val withP =
   452   OuterSyntax.command "with" "forward chaining from given and current facts"
   453     (K.tag_proof K.prf_chain)
   454     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.with_thmss)));
   455 
   456 val noteP =
   457   OuterSyntax.command "note" "define facts"
   458     (K.tag_proof K.prf_decl)
   459     (SpecParse.name_facts >> (Toplevel.print oo (Toplevel.proof o Proof.note_thmss)));
   460 
   461 val usingP =
   462   OuterSyntax.command "using" "augment goal facts"
   463     (K.tag_proof K.prf_decl)
   464     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.using)));
   465 
   466 val unfoldingP =
   467   OuterSyntax.command "unfolding" "unfold definitions in goal and facts"
   468     (K.tag_proof K.prf_decl)
   469     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.unfolding)));
   470 
   471 
   472 (* proof context *)
   473 
   474 val fixP =
   475   OuterSyntax.command "fix" "fix local variables (Skolem constants)"
   476     (K.tag_proof K.prf_asm)
   477     (P.fixes >> (Toplevel.print oo (Toplevel.proof o Proof.fix)));
   478 
   479 val assumeP =
   480   OuterSyntax.command "assume" "assume propositions"
   481     (K.tag_proof K.prf_asm)
   482     (SpecParse.statement >> (Toplevel.print oo (Toplevel.proof o Proof.assume)));
   483 
   484 val presumeP =
   485   OuterSyntax.command "presume" "assume propositions, to be established later"
   486     (K.tag_proof K.prf_asm)
   487     (SpecParse.statement >> (Toplevel.print oo (Toplevel.proof o Proof.presume)));
   488 
   489 val defP =
   490   OuterSyntax.command "def" "local definition"
   491     (K.tag_proof K.prf_asm)
   492     (P.and_list1
   493       (SpecParse.opt_thm_name ":" --
   494         ((P.name -- P.opt_mixfix) -- ((P.$$$ "\\<equiv>" || P.$$$ "==") |-- P.!!! P.termp)))
   495     >> (Toplevel.print oo (Toplevel.proof o Proof.def)));
   496 
   497 val obtainP =
   498   OuterSyntax.command "obtain" "generalized existence"
   499     (K.tag_proof K.prf_asm_goal)
   500     (P.parname -- Scan.optional (P.fixes --| P.where_) [] -- SpecParse.statement
   501       >> (fn ((x, y), z) => Toplevel.print o Toplevel.proof' (Obtain.obtain x y z)));
   502 
   503 val guessP =
   504   OuterSyntax.command "guess" "wild guessing (unstructured)"
   505     (K.tag_proof K.prf_asm_goal)
   506     (Scan.optional P.fixes [] >> (Toplevel.print oo (Toplevel.proof' o Obtain.guess)));
   507 
   508 val letP =
   509   OuterSyntax.command "let" "bind text variables"
   510     (K.tag_proof K.prf_decl)
   511     (P.and_list1 (P.enum1 "and" P.term -- (P.$$$ "=" |-- P.term))
   512       >> (Toplevel.print oo (Toplevel.proof o Proof.let_bind)));
   513 
   514 val case_spec =
   515   (P.$$$ "(" |-- P.!!! (P.xname -- Scan.repeat1 (P.maybe P.name) --| P.$$$ ")") ||
   516     P.xname >> rpair []) -- SpecParse.opt_attribs >> P.triple1;
   517 
   518 val caseP =
   519   OuterSyntax.command "case" "invoke local context"
   520     (K.tag_proof K.prf_asm)
   521     (case_spec >> (Toplevel.print oo (Toplevel.proof o Proof.invoke_case)));
   522 
   523 
   524 (* proof structure *)
   525 
   526 val begin_blockP =
   527   OuterSyntax.command "{" "begin explicit proof block"
   528     (K.tag_proof K.prf_open)
   529     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.begin_block));
   530 
   531 val end_blockP =
   532   OuterSyntax.command "}" "end explicit proof block"
   533     (K.tag_proof K.prf_close)
   534     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.end_block));
   535 
   536 val nextP =
   537   OuterSyntax.command "next" "enter next proof block"
   538     (K.tag_proof K.prf_block)
   539     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.next_block));
   540 
   541 
   542 (* end proof *)
   543 
   544 val qedP =
   545   OuterSyntax.command "qed" "conclude (sub-)proof"
   546     (K.tag_proof K.qed_block)
   547     (Scan.option Method.parse >> (Toplevel.print3 oo IsarCmd.qed));
   548 
   549 val terminal_proofP =
   550   OuterSyntax.command "by" "terminal backward proof"
   551     (K.tag_proof K.qed)
   552     (Method.parse -- Scan.option Method.parse >> (Toplevel.print3 oo IsarCmd.terminal_proof));
   553 
   554 val default_proofP =
   555   OuterSyntax.command ".." "default proof"
   556     (K.tag_proof K.qed)
   557     (Scan.succeed (Toplevel.print3 o IsarCmd.default_proof));
   558 
   559 val immediate_proofP =
   560   OuterSyntax.command "." "immediate proof"
   561     (K.tag_proof K.qed)
   562     (Scan.succeed (Toplevel.print3 o IsarCmd.immediate_proof));
   563 
   564 val done_proofP =
   565   OuterSyntax.command "done" "done proof"
   566     (K.tag_proof K.qed)
   567     (Scan.succeed (Toplevel.print3 o IsarCmd.done_proof));
   568 
   569 val skip_proofP =
   570   OuterSyntax.improper_command "sorry" "skip proof (quick-and-dirty mode only!)"
   571     (K.tag_proof K.qed)
   572     (Scan.succeed (Toplevel.print3 o IsarCmd.skip_proof));
   573 
   574 val forget_proofP =
   575   OuterSyntax.command "oops" "forget proof"
   576     (K.tag_proof K.qed_global)
   577     (Scan.succeed Toplevel.forget_proof);
   578 
   579 
   580 (* proof steps *)
   581 
   582 val deferP =
   583   OuterSyntax.command "defer" "shuffle internal proof state"
   584     (K.tag_proof K.prf_script)
   585     (Scan.option P.nat >> (Toplevel.print oo (Toplevel.proofs o Proof.defer)));
   586 
   587 val preferP =
   588   OuterSyntax.command "prefer" "shuffle internal proof state"
   589     (K.tag_proof K.prf_script)
   590     (P.nat >> (Toplevel.print oo (Toplevel.proofs o Proof.prefer)));
   591 
   592 val applyP =
   593   OuterSyntax.command "apply" "initial refinement step (unstructured)"
   594     (K.tag_proof K.prf_script)
   595     (Method.parse >> (Toplevel.print oo (Toplevel.proofs o Proof.apply)));
   596 
   597 val apply_endP =
   598   OuterSyntax.command "apply_end" "terminal refinement (unstructured)"
   599     (K.tag_proof K.prf_script)
   600     (Method.parse >> (Toplevel.print oo (Toplevel.proofs o Proof.apply_end)));
   601 
   602 val proofP =
   603   OuterSyntax.command "proof" "backward proof"
   604     (K.tag_proof K.prf_block)
   605     (Scan.option Method.parse >> (fn m => Toplevel.print o
   606       Toplevel.actual_proof (ProofHistory.applys (Proof.proof m)) o
   607       Toplevel.skip_proof (History.apply (fn i => i + 1))));
   608 
   609 
   610 (* calculational proof commands *)
   611 
   612 val calc_args =
   613   Scan.option (P.$$$ "(" |-- P.!!! ((SpecParse.xthms1 --| P.$$$ ")")));
   614 
   615 val alsoP =
   616   OuterSyntax.command "also" "combine calculation and current facts"
   617     (K.tag_proof K.prf_decl)
   618     (calc_args >> (Toplevel.proofs' o Calculation.also));
   619 
   620 val finallyP =
   621   OuterSyntax.command "finally" "combine calculation and current facts, exhibit result"
   622     (K.tag_proof K.prf_chain)
   623     (calc_args >> (Toplevel.proofs' o Calculation.finally));
   624 
   625 val moreoverP =
   626   OuterSyntax.command "moreover" "augment calculation by current facts"
   627     (K.tag_proof K.prf_decl)
   628     (Scan.succeed (Toplevel.proof' Calculation.moreover));
   629 
   630 val ultimatelyP =
   631   OuterSyntax.command "ultimately" "augment calculation by current facts, exhibit result"
   632     (K.tag_proof K.prf_chain)
   633     (Scan.succeed (Toplevel.proof' Calculation.ultimately));
   634 
   635 
   636 (* proof navigation *)
   637 
   638 val backP =
   639   OuterSyntax.command "back" "backtracking of proof command"
   640     (K.tag_proof K.prf_script)
   641     (Scan.succeed (Toplevel.print o IsarCmd.back));
   642 
   643 
   644 (* history *)
   645 
   646 val cannot_undoP =
   647   OuterSyntax.improper_command "cannot_undo" "report 'cannot undo' error message" K.control
   648     (P.name >> (Toplevel.no_timing oo IsarCmd.cannot_undo));
   649 
   650 val redoP =
   651   OuterSyntax.improper_command "redo" "redo last command" K.control
   652     (Scan.succeed (Toplevel.no_timing o Toplevel.print o IsarCmd.redo));
   653 
   654 val undos_proofP =
   655   OuterSyntax.improper_command "undos_proof" "undo last proof commands" K.control
   656     (P.nat >> ((Toplevel.no_timing o Toplevel.print) oo IsarCmd.undos_proof));
   657 
   658 val undoP =
   659   OuterSyntax.improper_command "undo" "undo last command" K.control
   660     (Scan.succeed ((Toplevel.no_timing o Toplevel.print) o IsarCmd.undo));
   661 
   662 val killP =
   663   OuterSyntax.improper_command "kill" "kill current history node" K.control
   664     (Scan.succeed ((Toplevel.no_timing o Toplevel.print) o IsarCmd.kill));
   665 
   666 
   667 
   668 (** diagnostic commands (for interactive mode only) **)
   669 
   670 val opt_modes = Scan.optional (P.$$$ "(" |-- P.!!! (Scan.repeat1 P.xname --| P.$$$ ")")) [];
   671 val opt_bang = Scan.optional (P.$$$ "!" >> K true) false;
   672 
   673 val pretty_setmarginP =
   674   OuterSyntax.improper_command "pretty_setmargin" "change default margin for pretty printing"
   675     K.diag (P.nat >> (Toplevel.no_timing oo IsarCmd.pretty_setmargin));
   676 
   677 val helpP =
   678   OuterSyntax.improper_command "help" "print outer syntax commands" K.diag
   679     (Scan.succeed (Toplevel.no_timing o OuterSyntax.print_commands));
   680 
   681 val print_commandsP =
   682   OuterSyntax.improper_command "print_commands" "print outer syntax commands" K.diag
   683     (Scan.succeed (Toplevel.no_timing o OuterSyntax.print_commands));
   684 
   685 val print_contextP =
   686   OuterSyntax.improper_command "print_context" "print theory context name" K.diag
   687     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_context));
   688 
   689 val print_theoryP =
   690   OuterSyntax.improper_command "print_theory" "print logical theory contents (verbose!)" K.diag
   691     (opt_bang >> (Toplevel.no_timing oo IsarCmd.print_theory));
   692 
   693 val print_syntaxP =
   694   OuterSyntax.improper_command "print_syntax" "print inner syntax of context (verbose!)" K.diag
   695     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_syntax));
   696 
   697 val print_abbrevsP =
   698   OuterSyntax.improper_command "print_abbrevs" "print constant abbreviation of context" K.diag
   699     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_abbrevs));
   700 
   701 val print_theoremsP =
   702   OuterSyntax.improper_command "print_theorems"
   703       "print theorems of local theory or proof context" K.diag
   704     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_theorems));
   705 
   706 val print_localesP =
   707   OuterSyntax.improper_command "print_locales" "print locales of this theory" K.diag
   708     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_locales));
   709 
   710 val print_localeP =
   711   OuterSyntax.improper_command "print_locale" "print locale expression in this theory" K.diag
   712     (opt_bang -- locale_val >> (Toplevel.no_timing oo IsarCmd.print_locale));
   713 
   714 val print_registrationsP =
   715   OuterSyntax.improper_command "print_interps"
   716     "print interpretations of named locale" K.diag
   717     (Scan.optional (P.$$$ "!" >> K true) false -- P.xname
   718       >> (Toplevel.no_timing oo uncurry IsarCmd.print_registrations));
   719 
   720 val print_attributesP =
   721   OuterSyntax.improper_command "print_attributes" "print attributes of this theory" K.diag
   722     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_attributes));
   723 
   724 val print_simpsetP =
   725   OuterSyntax.improper_command "print_simpset" "print context of Simplifier" K.diag
   726     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_simpset));
   727 
   728 val print_rulesP =
   729   OuterSyntax.improper_command "print_rules" "print intro/elim rules" K.diag
   730     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_rules));
   731 
   732 val print_induct_rulesP =
   733   OuterSyntax.improper_command "print_induct_rules" "print induction and cases rules" K.diag
   734     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_induct_rules));
   735 
   736 val print_trans_rulesP =
   737   OuterSyntax.improper_command "print_trans_rules" "print transitivity rules" K.diag
   738     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_trans_rules));
   739 
   740 val print_methodsP =
   741   OuterSyntax.improper_command "print_methods" "print methods of this theory" K.diag
   742     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_methods));
   743 
   744 val print_antiquotationsP =
   745   OuterSyntax.improper_command "print_antiquotations" "print antiquotations (global)" K.diag
   746     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_antiquotations));
   747 
   748 val class_depsP =
   749   OuterSyntax.improper_command "class_deps" "visualize class dependencies"
   750     K.diag (Scan.succeed (Toplevel.no_timing o IsarCmd.class_deps));
   751 
   752 val thm_depsP =
   753   OuterSyntax.improper_command "thm_deps" "visualize theorem dependencies"
   754     K.diag (SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.thm_deps));
   755 
   756 val criterion =
   757   P.reserved "name" |-- P.!!! (P.$$$ ":" |-- P.xname) >> FindTheorems.Name ||
   758   P.reserved "intro" >> K FindTheorems.Intro ||
   759   P.reserved "elim" >> K FindTheorems.Elim ||
   760   P.reserved "dest" >> K FindTheorems.Dest ||
   761   P.reserved "simp" |-- P.!!! (P.$$$ ":" |-- P.term) >> FindTheorems.Simp ||
   762   P.term >> FindTheorems.Pattern;
   763 
   764 val find_theoremsP =
   765   OuterSyntax.improper_command "find_theorems"
   766     "print theorems meeting specified criteria" K.diag
   767     (Scan.option (P.$$$ "(" |-- P.!!! (P.nat --| P.$$$ ")")) --
   768      Scan.repeat (((Scan.option P.minus >> is_none) -- criterion))
   769       >> (Toplevel.no_timing oo IsarCmd.find_theorems));
   770 
   771 val print_bindsP =
   772   OuterSyntax.improper_command "print_binds" "print term bindings of proof context" K.diag
   773     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_binds));
   774 
   775 val print_factsP =
   776   OuterSyntax.improper_command "print_facts" "print facts of proof context" K.diag
   777     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_facts));
   778 
   779 val print_casesP =
   780   OuterSyntax.improper_command "print_cases" "print cases of proof context" K.diag
   781     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_cases));
   782 
   783 val print_stmtsP =
   784   OuterSyntax.improper_command "print_statement" "print theorems as long statements" K.diag
   785     (opt_modes -- SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_stmts));
   786 
   787 val print_thmsP =
   788   OuterSyntax.improper_command "thm" "print theorems" K.diag
   789     (opt_modes -- SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_thms));
   790 
   791 val print_prfsP =
   792   OuterSyntax.improper_command "prf" "print proof terms of theorems" K.diag
   793     (opt_modes -- Scan.option SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_prfs false));
   794 
   795 val print_full_prfsP =
   796   OuterSyntax.improper_command "full_prf" "print full proof terms of theorems" K.diag
   797     (opt_modes -- Scan.option SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_prfs true));
   798 
   799 val print_propP =
   800   OuterSyntax.improper_command "prop" "read and print proposition" K.diag
   801     (opt_modes -- P.term >> (Toplevel.no_timing oo IsarCmd.print_prop));
   802 
   803 val print_termP =
   804   OuterSyntax.improper_command "term" "read and print term" K.diag
   805     (opt_modes -- P.term >> (Toplevel.no_timing oo IsarCmd.print_term));
   806 
   807 val print_typeP =
   808   OuterSyntax.improper_command "typ" "read and print type" K.diag
   809     (opt_modes -- P.typ >> (Toplevel.no_timing oo IsarCmd.print_type));
   810 
   811 
   812 
   813 (** system commands (for interactive mode only) **)
   814 
   815 val cdP =
   816   OuterSyntax.improper_command "cd" "change current working directory" K.diag
   817     (P.path >> (Toplevel.no_timing oo IsarCmd.cd));
   818 
   819 val pwdP =
   820   OuterSyntax.improper_command "pwd" "print current working directory" K.diag
   821     (Scan.succeed (Toplevel.no_timing o IsarCmd.pwd));
   822 
   823 val use_thyP =
   824   OuterSyntax.improper_command "use_thy" "use theory file" K.diag
   825     (P.name >> (Toplevel.no_timing oo IsarCmd.use_thy));
   826 
   827 val use_thy_onlyP =
   828   OuterSyntax.improper_command "use_thy_only" "use theory file only, ignoring associated ML"
   829     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.use_thy_only));
   830 
   831 val update_thyP =
   832   OuterSyntax.improper_command "update_thy" "update theory file" K.diag
   833     (P.name >> (Toplevel.no_timing oo IsarCmd.update_thy));
   834 
   835 val update_thy_onlyP =
   836   OuterSyntax.improper_command "update_thy_only" "update theory file, ignoring associated ML"
   837     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.update_thy_only));
   838 
   839 val touch_thyP =
   840   OuterSyntax.improper_command "touch_thy" "outdate theory, including descendants" K.diag
   841     (P.name >> (Toplevel.no_timing oo IsarCmd.touch_thy));
   842 
   843 val touch_all_thysP =
   844   OuterSyntax.improper_command "touch_all_thys" "outdate all non-finished theories" K.diag
   845     (Scan.succeed (Toplevel.no_timing o IsarCmd.touch_all_thys));
   846 
   847 val touch_child_thysP =
   848   OuterSyntax.improper_command "touch_child_thys" "outdate child theories" K.diag
   849     (P.name >> (Toplevel.no_timing oo IsarCmd.touch_child_thys));
   850 
   851 val remove_thyP =
   852   OuterSyntax.improper_command "remove_thy" "remove theory from loader database" K.diag
   853     (P.name >> (Toplevel.no_timing oo IsarCmd.remove_thy));
   854 
   855 val kill_thyP =
   856   OuterSyntax.improper_command "kill_thy" "kill theory -- try to remove from loader database"
   857     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.kill_thy));
   858 
   859 val display_draftsP =
   860   OuterSyntax.improper_command "display_drafts" "display raw source files with symbols"
   861     K.diag (Scan.repeat1 P.path >> (Toplevel.no_timing oo IsarCmd.display_drafts));
   862 
   863 val print_draftsP =
   864   OuterSyntax.improper_command "print_drafts" "print raw source files with symbols"
   865     K.diag (Scan.repeat1 P.path >> (Toplevel.no_timing oo IsarCmd.print_drafts));
   866 
   867 val opt_limits =
   868   Scan.option P.nat -- Scan.option (P.$$$ "," |-- P.!!! P.nat);
   869 
   870 val prP =
   871   OuterSyntax.improper_command "pr" "print current proof state (if present)" K.diag
   872     (opt_modes -- opt_limits >> (Toplevel.no_timing oo IsarCmd.pr));
   873 
   874 val disable_prP =
   875   OuterSyntax.improper_command "disable_pr" "disable printing of toplevel state" K.diag
   876     (Scan.succeed (Toplevel.no_timing o IsarCmd.disable_pr));
   877 
   878 val enable_prP =
   879   OuterSyntax.improper_command "enable_pr" "enable printing of toplevel state" K.diag
   880     (Scan.succeed (Toplevel.no_timing o IsarCmd.enable_pr));
   881 
   882 val commitP =
   883   OuterSyntax.improper_command "commit" "commit current session to ML database" K.diag
   884     (P.opt_unit >> (Toplevel.no_timing oo K IsarCmd.use_commit));
   885 
   886 val quitP =
   887   OuterSyntax.improper_command "quit" "quit Isabelle" K.control
   888     (P.opt_unit >> (Toplevel.no_timing oo K IsarCmd.quit));
   889 
   890 val exitP =
   891   OuterSyntax.improper_command "exit" "exit Isar loop" K.control
   892     (Scan.succeed (Toplevel.no_timing o IsarCmd.exit));
   893 
   894 val init_toplevelP =
   895   OuterSyntax.improper_command "init_toplevel" "restart Isar toplevel loop" K.control
   896     (Scan.succeed (Toplevel.no_timing o IsarCmd.init_toplevel));
   897 
   898 val welcomeP =
   899   OuterSyntax.improper_command "welcome" "print welcome message" K.diag
   900     (Scan.succeed (Toplevel.no_timing o IsarCmd.welcome));
   901 
   902 
   903 
   904 (** the Pure outer syntax **)
   905 
   906 (*keep keywords consistent with the parsers, including those in
   907   outer_parse.ML, otherwise be prepared for unexpected errors*)
   908 
   909 val _ = OuterSyntax.add_keywords
   910  ["!", "!!", "%", "(", ")", "+", ",", "--", ":", "::", ";", "<", "<=",
   911   "=", "==", "=>", "?", "[", "]", "advanced", "and", "assumes", "attach",
   912   "begin", "binder", "concl", "constrains", "defines", "fixes", "for",
   913   "imports", "if", "in", "includes", "infix", "infixl", "infixr",
   914   "is", "notes", "obtains", "open", "output", "overloaded", "shows",
   915   "structure", "unchecked", "uses", "where", "|", "\\<equiv>",
   916   "\\<leftharpoondown>", "\\<rightharpoonup>",
   917   "\\<rightleftharpoons>", "\\<subseteq>"];
   918 
   919 val _ = OuterSyntax.add_parsers [
   920   (*theory structure*)
   921   theoryP, endP,
   922   (*markup commands*)
   923   headerP, chapterP, sectionP, subsectionP, subsubsectionP, textP,
   924   text_rawP, sectP, subsectP, subsubsectP, txtP, txt_rawP,
   925   (*theory sections*)
   926   classesP, classrelP, defaultsortP, axclassP, typedeclP, typeabbrP,
   927   nontermP, aritiesP, judgmentP, constsP, finalconstsP, syntaxP,
   928   no_syntaxP, translationsP, no_translationsP, axiomsP, defsP,
   929   constdefsP, definitionP, abbreviationP, notationP, axiomatizationP,
   930   theoremsP, lemmasP, declareP, globalP, localP, hideP, useP, mlP,
   931   ml_commandP, ml_setupP, setupP, method_setupP, declarationP,
   932   parse_ast_translationP, parse_translationP, print_translationP,
   933   typed_print_translationP, print_ast_translationP,
   934   token_translationP, oracleP, contextP, localeP,
   935   (*proof commands*)
   936   theoremP, lemmaP, corollaryP, haveP, henceP, showP, thusP, fixP,
   937   assumeP, presumeP, defP, obtainP, guessP, letP, caseP, thenP, fromP,
   938   withP, noteP, usingP, unfoldingP, begin_blockP, end_blockP, nextP,
   939   qedP, terminal_proofP, default_proofP, immediate_proofP,
   940   done_proofP, skip_proofP, forget_proofP, deferP, preferP, applyP,
   941   apply_endP, proofP, alsoP, finallyP, moreoverP, ultimatelyP, backP,
   942   cannot_undoP, redoP, undos_proofP, undoP, killP, interpretationP,
   943   interpretP,
   944   (*diagnostic commands*)
   945   pretty_setmarginP, helpP, print_commandsP, print_contextP,
   946   print_theoryP, print_syntaxP, print_abbrevsP, print_factsP,
   947   print_theoremsP, print_localesP, print_localeP,
   948   print_registrationsP, print_attributesP, print_simpsetP,
   949   print_rulesP, print_induct_rulesP, print_trans_rulesP,
   950   print_methodsP, print_antiquotationsP, class_depsP, thm_depsP,
   951   find_theoremsP, print_bindsP, print_casesP, print_stmtsP,
   952   print_thmsP, print_prfsP, print_full_prfsP, print_propP,
   953   print_termP, print_typeP,
   954   (*system commands*)
   955   cdP, pwdP, use_thyP, use_thy_onlyP, update_thyP, update_thy_onlyP,
   956   touch_thyP, touch_all_thysP, touch_child_thysP, remove_thyP,
   957   kill_thyP, display_draftsP, print_draftsP, prP, disable_prP,
   958   enable_prP, commitP, quitP, exitP, init_toplevelP, welcomeP];
   959 
   960 end;