src/Pure/Isar/isar_syn.ML
author wenzelm
Sat Mar 29 19:14:12 2008 +0100 (2008-03-29 ago)
changeset 26490 87d27e426f14
parent 26435 bdce320cd426
child 26516 1bf210ac0a90
permissions -rw-r--r--
commands 'use' and 'ML' now thy_decl;
removed obsolete 'ML_setup' -- superceded by 'ML';
     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 (** keywords **)
    15 
    16 (*keep keywords consistent with the parsers, otherwise be prepared for
    17   unexpected errors*)
    18 
    19 val _ = OuterSyntax.keywords
    20  ["!!", "!", "%", "(", ")", "+", ",", "--", ":", "::", ";", "<", "<=",
    21   "=", "==", "=>", "?", "[", "\\<equiv>", "\\<leftharpoondown>",
    22   "\\<rightharpoonup>", "\\<rightleftharpoons>", "\\<subseteq>", "]",
    23   "advanced", "and", "assumes", "attach", "begin", "binder", "concl",
    24   "constrains", "defines", "fixes", "for", "identifier", "if",
    25   "imports", "in", "includes", "infix", "infixl", "infixr", "is",
    26   "notes", "obtains", "open", "output", "overloaded", "shows",
    27   "structure", "unchecked", "uses", "where", "|"];
    28 
    29 
    30 (** init and exit **)
    31 
    32 val _ =
    33   OuterSyntax.command "theory" "begin theory" (K.tag_theory K.thy_begin)
    34     (ThyHeader.args >> (Toplevel.print oo IsarCmd.theory));
    35 
    36 val _ =
    37   OuterSyntax.command "end" "end (local) theory" (K.tag_theory K.thy_end)
    38     (Scan.succeed (Toplevel.exit o Toplevel.end_local_theory));
    39 
    40 
    41 (** markup commands **)
    42 
    43 val _ = OuterSyntax.markup_command ThyOutput.Markup "header" "theory header" K.diag
    44   (P.position P.text >> IsarCmd.add_header);
    45 
    46 val _ = OuterSyntax.markup_command ThyOutput.Markup "chapter" "chapter heading"
    47   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_chapter);
    48 
    49 val _ = OuterSyntax.markup_command ThyOutput.Markup "section" "section heading"
    50   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_section);
    51 
    52 val _ = OuterSyntax.markup_command ThyOutput.Markup "subsection" "subsection heading"
    53   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_subsection);
    54 
    55 val _ =
    56   OuterSyntax.markup_command ThyOutput.Markup "subsubsection" "subsubsection heading"
    57   K.thy_heading (P.opt_target -- P.position P.text >> IsarCmd.add_subsubsection);
    58 
    59 val _ = OuterSyntax.markup_command ThyOutput.MarkupEnv "text" "formal comment (theory)"
    60   K.thy_decl (P.opt_target -- P.position P.text >> IsarCmd.add_text);
    61 
    62 val _ = OuterSyntax.markup_command ThyOutput.Verbatim "text_raw"
    63   "raw document preparation text"
    64   K.thy_decl (P.position P.text >> IsarCmd.add_text_raw);
    65 
    66 val _ = OuterSyntax.markup_command ThyOutput.Markup "sect" "formal comment (proof)"
    67   (K.tag_proof K.prf_heading) (P.position P.text >> IsarCmd.add_sect);
    68 
    69 val _ = OuterSyntax.markup_command ThyOutput.Markup "subsect" "formal comment (proof)"
    70   (K.tag_proof K.prf_heading) (P.position P.text >> IsarCmd.add_subsect);
    71 
    72 val _ = OuterSyntax.markup_command ThyOutput.Markup "subsubsect"
    73   "formal comment (proof)" (K.tag_proof K.prf_heading)
    74   (P.position P.text >> IsarCmd.add_subsubsect);
    75 
    76 val _ = OuterSyntax.markup_command ThyOutput.MarkupEnv "txt" "formal comment (proof)"
    77   (K.tag_proof K.prf_decl) (P.position P.text >> IsarCmd.add_txt);
    78 
    79 val _ = OuterSyntax.markup_command ThyOutput.Verbatim "txt_raw"
    80   "raw document preparation text (proof)" (K.tag_proof K.prf_decl)
    81   (P.position P.text >> IsarCmd.add_txt_raw);
    82 
    83 
    84 
    85 (** theory sections **)
    86 
    87 (* classes and sorts *)
    88 
    89 val _ =
    90   OuterSyntax.command "classes" "declare type classes" K.thy_decl
    91     (Scan.repeat1 (P.name -- Scan.optional ((P.$$$ "\\<subseteq>" || P.$$$ "<") |--
    92         P.!!! (P.list1 P.xname)) []) >> (Toplevel.theory o fold AxClass.axiomatize_class_cmd));
    93 
    94 val _ =
    95   OuterSyntax.command "classrel" "state inclusion of type classes (axiomatic!)" K.thy_decl
    96     (P.and_list1 (P.xname -- ((P.$$$ "\\<subseteq>" || P.$$$ "<") |-- P.!!! P.xname))
    97     >> (Toplevel.theory o AxClass.axiomatize_classrel_cmd));
    98 
    99 val _ =
   100   OuterSyntax.command "defaultsort" "declare default sort" K.thy_decl
   101     (P.sort >> (Toplevel.theory o Sign.add_defsort));
   102 
   103 val _ =
   104   OuterSyntax.command "axclass" "define axiomatic type class" K.thy_decl
   105     (P.name -- Scan.optional ((P.$$$ "\\<subseteq>" || P.$$$ "<") |--
   106         P.!!! (P.list1 P.xname)) []
   107         -- Scan.repeat (SpecParse.thm_name ":" -- (P.prop >> single))
   108       >> (fn (x, y) => Toplevel.theory (snd o Class.axclass_cmd x y)));
   109 
   110 
   111 (* types *)
   112 
   113 val _ =
   114   OuterSyntax.command "typedecl" "type declaration" K.thy_decl
   115     (P.type_args -- P.name -- P.opt_infix >> (fn ((args, a), mx) =>
   116       Toplevel.theory (ObjectLogic.typedecl (a, args, mx) #> snd)));
   117 
   118 val _ =
   119   OuterSyntax.command "types" "declare type abbreviations" K.thy_decl
   120     (Scan.repeat1
   121       (P.type_args -- P.name -- (P.$$$ "=" |-- P.!!! (P.typ -- P.opt_infix')))
   122       >> (Toplevel.theory o Sign.add_tyabbrs o
   123         map (fn ((args, a), (T, mx)) => (a, args, T, mx))));
   124 
   125 val _ =
   126   OuterSyntax.command "nonterminals" "declare types treated as grammar nonterminal symbols"
   127     K.thy_decl (Scan.repeat1 P.name >> (Toplevel.theory o Sign.add_nonterminals));
   128 
   129 val _ =
   130   OuterSyntax.command "arities" "state type arities (axiomatic!)" K.thy_decl
   131     (Scan.repeat1 P.arity >> (Toplevel.theory o fold AxClass.axiomatize_arity_cmd));
   132 
   133 
   134 (* consts and syntax *)
   135 
   136 val _ =
   137   OuterSyntax.command "judgment" "declare object-logic judgment" K.thy_decl
   138     (P.const >> (Toplevel.theory o ObjectLogic.add_judgment));
   139 
   140 val _ =
   141   OuterSyntax.command "consts" "declare constants" K.thy_decl
   142     (Scan.repeat1 P.const >> (Toplevel.theory o Sign.add_consts));
   143 
   144 val opt_overloaded = P.opt_keyword "overloaded";
   145 
   146 val _ =
   147   OuterSyntax.command "finalconsts" "declare constants as final" K.thy_decl
   148     (opt_overloaded -- Scan.repeat1 P.term >> (uncurry (Toplevel.theory oo Theory.add_finals)));
   149 
   150 val mode_spec =
   151   (P.$$$ "output" >> K ("", false)) || P.name -- Scan.optional (P.$$$ "output" >> K false) true;
   152 
   153 val opt_mode =
   154   Scan.optional (P.$$$ "(" |-- P.!!! (mode_spec --| P.$$$ ")")) Syntax.mode_default;
   155 
   156 val _ =
   157   OuterSyntax.command "syntax" "declare syntactic constants" K.thy_decl
   158     (opt_mode -- Scan.repeat1 P.const >> (Toplevel.theory o uncurry Sign.add_modesyntax));
   159 
   160 val _ =
   161   OuterSyntax.command "no_syntax" "delete syntax declarations" K.thy_decl
   162     (opt_mode -- Scan.repeat1 P.const >> (Toplevel.theory o uncurry Sign.del_modesyntax));
   163 
   164 
   165 (* translations *)
   166 
   167 val trans_pat =
   168   Scan.optional (P.$$$ "(" |-- P.!!! (P.xname --| P.$$$ ")")) "logic" -- P.string;
   169 
   170 fun trans_arrow toks =
   171   ((P.$$$ "\\<rightharpoonup>" || P.$$$ "=>") >> K Syntax.ParseRule ||
   172     (P.$$$ "\\<leftharpoondown>" || P.$$$ "<=") >> K Syntax.PrintRule ||
   173     (P.$$$ "\\<rightleftharpoons>" || P.$$$ "==") >> K Syntax.ParsePrintRule) toks;
   174 
   175 val trans_line =
   176   trans_pat -- P.!!! (trans_arrow -- trans_pat)
   177     >> (fn (left, (arr, right)) => arr (left, right));
   178 
   179 val _ =
   180   OuterSyntax.command "translations" "declare syntax translation rules" K.thy_decl
   181     (Scan.repeat1 trans_line >> (Toplevel.theory o Sign.add_trrules));
   182 
   183 val _ =
   184   OuterSyntax.command "no_translations" "remove syntax translation rules" K.thy_decl
   185     (Scan.repeat1 trans_line >> (Toplevel.theory o Sign.del_trrules));
   186 
   187 
   188 (* axioms and definitions *)
   189 
   190 val _ =
   191   OuterSyntax.command "axioms" "state arbitrary propositions (axiomatic!)" K.thy_decl
   192     (Scan.repeat1 SpecParse.spec_name >> (Toplevel.theory o IsarCmd.add_axioms));
   193 
   194 val opt_unchecked_overloaded =
   195   Scan.optional (P.$$$ "(" |-- P.!!!
   196     (((P.$$$ "unchecked" >> K true) -- Scan.optional (P.$$$ "overloaded" >> K true) false ||
   197       P.$$$ "overloaded" >> K (false, true)) --| P.$$$ ")")) (false, false);
   198 
   199 val _ =
   200   OuterSyntax.command "defs" "define constants" K.thy_decl
   201     (opt_unchecked_overloaded -- Scan.repeat1 SpecParse.spec_name
   202       >> (Toplevel.theory o IsarCmd.add_defs));
   203 
   204 
   205 (* old constdefs *)
   206 
   207 val old_constdecl =
   208   P.name --| P.where_ >> (fn x => (x, NONE, NoSyn)) ||
   209   P.name -- (P.$$$ "::" |-- P.!!! P.typ >> SOME) -- P.opt_mixfix'
   210     --| Scan.option P.where_ >> P.triple1 ||
   211   P.name -- (P.mixfix >> pair NONE) --| Scan.option P.where_ >> P.triple2;
   212 
   213 val old_constdef = Scan.option old_constdecl -- (SpecParse.opt_thm_name ":" -- P.prop);
   214 
   215 val structs =
   216   Scan.optional ((P.$$$ "(" -- P.$$$ "structure") |-- P.!!! (P.simple_fixes --| P.$$$ ")")) [];
   217 
   218 val _ =
   219   OuterSyntax.command "constdefs" "old-style constant definition" K.thy_decl
   220     (structs -- Scan.repeat1 old_constdef >> (Toplevel.theory o Constdefs.add_constdefs));
   221 
   222 
   223 (* constant definitions and abbreviations *)
   224 
   225 val constdecl =
   226   P.name --
   227     (P.where_ >> K (NONE, NoSyn) ||
   228       P.$$$ "::" |-- P.!!! ((P.typ >> SOME) -- P.opt_mixfix' --| P.where_) ||
   229       Scan.ahead (P.$$$ "(") |-- P.!!! (P.mixfix' --| P.where_ >> pair NONE))
   230   >> P.triple2;
   231 
   232 val constdef = Scan.option constdecl -- (SpecParse.opt_thm_name ":" -- P.prop);
   233 
   234 val _ =
   235   OuterSyntax.command "definition" "constant definition" K.thy_decl
   236     (P.opt_target -- constdef
   237     >> (fn (loc, args) => Toplevel.local_theory loc (#2 o Specification.definition_cmd args)));
   238 
   239 val _ =
   240   OuterSyntax.command "abbreviation" "constant abbreviation" K.thy_decl
   241     (P.opt_target -- opt_mode -- (Scan.option constdecl -- P.prop)
   242     >> (fn ((loc, mode), args) =>
   243         Toplevel.local_theory loc (Specification.abbreviation_cmd mode args)));
   244 
   245 val _ =
   246   OuterSyntax.command "notation" "add notation for constants / fixed variables" K.thy_decl
   247     (P.opt_target -- opt_mode -- P.and_list1 (P.xname -- SpecParse.locale_mixfix)
   248     >> (fn ((loc, mode), args) =>
   249         Toplevel.local_theory loc (Specification.notation_cmd true mode args)));
   250 
   251 val _ =
   252   OuterSyntax.command "no_notation" "delete notation for constants / fixed variables" K.thy_decl
   253     (P.opt_target -- opt_mode -- P.and_list1 (P.xname -- SpecParse.locale_mixfix)
   254     >> (fn ((loc, mode), args) =>
   255         Toplevel.local_theory loc (Specification.notation_cmd false mode args)));
   256 
   257 
   258 (* constant specifications *)
   259 
   260 val _ =
   261   OuterSyntax.command "axiomatization" "axiomatic constant specification" K.thy_decl
   262     (P.opt_target --
   263      (Scan.optional P.fixes [] --
   264       Scan.optional (P.where_ |-- P.!!! (P.and_list1 SpecParse.spec)) [])
   265     >> (fn (loc, (x, y)) => Toplevel.local_theory loc (#2 o Specification.axiomatization_cmd x y)));
   266 
   267 
   268 (* theorems *)
   269 
   270 fun theorems kind = P.opt_target -- SpecParse.name_facts
   271   >> (fn (loc, args) => Toplevel.local_theory loc (#2 o Specification.theorems_cmd kind args));
   272 
   273 val _ =
   274   OuterSyntax.command "theorems" "define theorems" K.thy_decl (theorems Thm.theoremK);
   275 
   276 val _ =
   277   OuterSyntax.command "lemmas" "define lemmas" K.thy_decl (theorems Thm.lemmaK);
   278 
   279 val _ =
   280   OuterSyntax.command "declare" "declare theorems (improper)" K.thy_decl
   281     (P.opt_target -- (P.and_list1 SpecParse.xthms1 >> flat)
   282       >> (fn (loc, args) => Toplevel.local_theory loc
   283           (#2 o Specification.theorems_cmd "" [(("", []), args)])));
   284 
   285 
   286 (* name space entry path *)
   287 
   288 val _ =
   289   OuterSyntax.command "global" "disable prefixing of theory name" K.thy_decl
   290     (Scan.succeed (Toplevel.theory Sign.root_path));
   291 
   292 val _ =
   293   OuterSyntax.command "local" "enable prefixing of theory name" K.thy_decl
   294     (Scan.succeed (Toplevel.theory Sign.local_path));
   295 
   296 val _ =
   297   OuterSyntax.command "hide" "hide names from given name space" K.thy_decl
   298     ((P.opt_keyword "open" >> not) -- (P.name -- Scan.repeat1 P.xname) >>
   299       (Toplevel.theory o uncurry Sign.hide_names));
   300 
   301 
   302 (* use ML text *)
   303 
   304 val _ =
   305   OuterSyntax.command "use" "eval ML text from file" (K.tag_ml K.thy_decl)
   306     (P.path >> (Toplevel.generic_theory o ThyInfo.exec_file false));
   307 
   308 val _ =
   309   OuterSyntax.command "ML" "eval ML text (diagnostic)" (K.tag_ml K.thy_decl)
   310     (P.position P.text >> (fn (txt, pos) =>
   311       Toplevel.generic_theory (ML_Context.exec (fn () => ML_Context.eval true pos txt))));
   312 
   313 val _ =
   314   OuterSyntax.command "ML_val" "eval ML text (diagnostic)" (K.tag_ml K.diag)
   315     (P.position P.text >> IsarCmd.ml_diag true);
   316 
   317 val _ =
   318   OuterSyntax.command "ML_command" "silently eval ML text (diagnostic)" (K.tag_ml K.diag)
   319     (P.position P.text >> (Toplevel.no_timing oo IsarCmd.ml_diag false));
   320 
   321 val _ =
   322   OuterSyntax.command "setup" "apply ML theory setup" (K.tag_ml K.thy_decl)
   323     (P.position P.text >> (Toplevel.theory o IsarCmd.generic_setup));
   324 
   325 val _ =
   326   OuterSyntax.command "method_setup" "define proof method in ML" (K.tag_ml K.thy_decl)
   327     (P.name -- P.!!! (P.$$$ "=" |-- P.position P.text -- P.text)
   328     >> (fn (name, (txt, cmt)) => Toplevel.theory (Method.method_setup name txt cmt)));
   329 
   330 val _ =
   331   OuterSyntax.command "declaration" "generic ML declaration" (K.tag_ml K.thy_decl)
   332     (P.opt_target -- P.position P.text
   333     >> (fn (loc, txt) => Toplevel.local_theory loc (IsarCmd.declaration txt)));
   334 
   335 val _ =
   336   OuterSyntax.command "simproc_setup" "define simproc in ML" (K.tag_ml K.thy_decl)
   337     (P.opt_target --
   338       P.name -- (P.$$$ "(" |-- P.enum1 "|" P.term --| P.$$$ ")" --| P.$$$ "=") --
   339       P.position P.text -- Scan.optional (P.$$$ "identifier" |-- Scan.repeat1 P.xname) []
   340     >> (fn ((((loc, a), b), c), d) => Toplevel.local_theory loc (IsarCmd.simproc_setup a b c d)));
   341 
   342 
   343 (* translation functions *)
   344 
   345 val trfun = P.opt_keyword "advanced" -- P.position P.text;
   346 
   347 val _ =
   348   OuterSyntax.command "parse_ast_translation" "install parse ast translation functions"
   349     (K.tag_ml K.thy_decl)
   350     (trfun >> (Toplevel.theory o IsarCmd.parse_ast_translation));
   351 
   352 val _ =
   353   OuterSyntax.command "parse_translation" "install parse translation functions"
   354     (K.tag_ml K.thy_decl)
   355     (trfun >> (Toplevel.theory o IsarCmd.parse_translation));
   356 
   357 val _ =
   358   OuterSyntax.command "print_translation" "install print translation functions"
   359     (K.tag_ml K.thy_decl)
   360     (trfun >> (Toplevel.theory o IsarCmd.print_translation));
   361 
   362 val _ =
   363   OuterSyntax.command "typed_print_translation" "install typed print translation functions"
   364     (K.tag_ml K.thy_decl)
   365     (trfun >> (Toplevel.theory o IsarCmd.typed_print_translation));
   366 
   367 val _ =
   368   OuterSyntax.command "print_ast_translation" "install print ast translation functions"
   369     (K.tag_ml K.thy_decl)
   370     (trfun >> (Toplevel.theory o IsarCmd.print_ast_translation));
   371 
   372 val _ =
   373   OuterSyntax.command "token_translation" "install token translation functions"
   374     (K.tag_ml K.thy_decl)
   375     (P.position P.text >> (Toplevel.theory o IsarCmd.token_translation));
   376 
   377 
   378 (* oracles *)
   379 
   380 val _ =
   381   OuterSyntax.command "oracle" "declare oracle" (K.tag_ml K.thy_decl)
   382     (P.name -- (P.$$$ "(" |-- P.text --| P.$$$ ")" --| P.$$$ "=")
   383       -- P.position P.text >> (fn ((x, y), z) => Toplevel.theory (IsarCmd.oracle x y z)));
   384 
   385 
   386 (* local theories *)
   387 
   388 val _ =
   389   OuterSyntax.command "context" "enter local theory context" K.thy_decl
   390     (P.name --| P.begin >> (fn name =>
   391       Toplevel.print o Toplevel.begin_local_theory true (TheoryTarget.context name)));
   392 
   393 
   394 (* locales *)
   395 
   396 val locale_val =
   397   SpecParse.locale_expr --
   398     Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 SpecParse.context_element)) [] ||
   399   Scan.repeat1 SpecParse.context_element >> pair Locale.empty;
   400 
   401 val _ =
   402   OuterSyntax.command "locale" "define named proof context" K.thy_decl
   403     ((P.opt_keyword "open" >> (fn true => NONE | false => SOME "")) --
   404       P.name -- Scan.optional (P.$$$ "=" |-- P.!!! locale_val) (Locale.empty, []) -- P.opt_begin
   405       >> (fn (((is_open, name), (expr, elems)), begin) =>
   406           (begin ? Toplevel.print) o Toplevel.begin_local_theory begin
   407             (Locale.add_locale is_open name expr elems #-> TheoryTarget.begin)));
   408 
   409 val _ =
   410   OuterSyntax.command "interpretation"
   411     "prove and register interpretation of locale expression in theory or locale" K.thy_goal
   412     (P.xname --| (P.$$$ "\\<subseteq>" || P.$$$ "<") -- P.!!! SpecParse.locale_expr
   413       >> (Toplevel.print oo (Toplevel.theory_to_proof o Locale.interpretation_in_locale I)) ||
   414       SpecParse.opt_thm_name ":" -- SpecParse.locale_expr -- SpecParse.locale_insts
   415         >> (fn ((x, y), z) => Toplevel.print o
   416             Toplevel.theory_to_proof (Locale.interpretation I (apfst (pair true) x) y z)));
   417 
   418 val _ =
   419   OuterSyntax.command "interpret"
   420     "prove and register interpretation of locale expression in proof context"
   421     (K.tag_proof K.prf_goal)
   422     (SpecParse.opt_thm_name ":" -- SpecParse.locale_expr -- SpecParse.locale_insts
   423       >> (fn ((x, y), z) => Toplevel.print o
   424           Toplevel.proof' (Locale.interpret Seq.single (apfst (pair true) x) y z)));
   425 
   426 
   427 (* classes *)
   428 
   429 val class_val =
   430   SpecParse.class_expr --
   431     Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 SpecParse.context_element)) [] ||
   432   Scan.repeat1 SpecParse.context_element >> pair [];
   433 
   434 val _ =
   435   OuterSyntax.command "class" "define type class" K.thy_decl
   436    (P.name --
   437      Scan.optional (P.$$$ "(" |-- P.$$$ "attach" |-- Scan.repeat P.term --| P.$$$ ")") [] --  (* FIXME ?? *)
   438      (P.$$$ "=" |-- class_val) -- P.opt_begin
   439     >> (fn (((name, add_consts), (supclasses, elems)), begin) =>
   440         (begin ? Toplevel.print) o Toplevel.begin_local_theory begin
   441           (Class.class_cmd name supclasses elems add_consts #-> TheoryTarget.begin)));
   442 
   443 val _ =
   444   OuterSyntax.command "subclass" "prove a subclass relation" K.thy_goal
   445     (P.opt_target -- P.xname >> (fn (loc, class) =>
   446       Toplevel.print o Toplevel.local_theory_to_proof loc (Subclass.subclass_cmd class)));
   447 
   448 val _ =
   449   OuterSyntax.command "instantiation" "instantiate and prove type arity" K.thy_decl
   450    (P.multi_arity --| P.begin
   451      >> (fn arities => Toplevel.print o
   452          Toplevel.begin_local_theory true (Instance.instantiation_cmd arities)));
   453 
   454 val _ =
   455   OuterSyntax.command "instance" "prove type arity or subclass relation" K.thy_goal
   456   ((P.xname -- ((P.$$$ "\\<subseteq>" || P.$$$ "<") |-- P.!!! P.xname) >> Class.classrel_cmd ||
   457     P.arity -- Scan.repeat (SpecParse.opt_thm_name ":" -- P.prop)
   458       >> (fn (arity, defs) => Instance.instance_cmd arity defs))
   459     >> (Toplevel.print oo Toplevel.theory_to_proof)
   460   || Scan.succeed (Toplevel.print o Toplevel.local_theory_to_proof NONE (Class.instantiation_instance I)));
   461 
   462 
   463 (* arbitrary overloading *)
   464 
   465 val _ =
   466   OuterSyntax.command "overloading" "overloaded definitions" K.thy_decl
   467    (Scan.repeat1 (P.name --| (P.$$$ "\\<equiv>" || P.$$$ "==") -- P.term --
   468       Scan.optional (P.$$$ "(" |-- (P.$$$ "unchecked" >> K false) --| P.$$$ ")") true
   469       >> P.triple1) --| P.begin
   470    >> (fn operations => Toplevel.print o
   471          Toplevel.begin_local_theory true (TheoryTarget.overloading_cmd operations)));
   472 
   473 
   474 (* code generation *)
   475 
   476 val _ =
   477   OuterSyntax.command "code_datatype" "define set of code datatype constructors" K.thy_decl
   478     (Scan.repeat1 P.term >> (Toplevel.theory o Code.add_datatype_cmd));
   479 
   480 
   481 
   482 (** proof commands **)
   483 
   484 (* statements *)
   485 
   486 fun gen_theorem kind =
   487   OuterSyntax.command kind ("state " ^ kind) K.thy_goal
   488     (P.opt_target -- Scan.optional (SpecParse.opt_thm_name ":" --|
   489       Scan.ahead (SpecParse.locale_keyword || SpecParse.statement_keyword)) ("", []) --
   490       SpecParse.general_statement >> (fn ((loc, a), (elems, concl)) =>
   491       (Toplevel.print o
   492        Toplevel.local_theory_to_proof' loc
   493          (Specification.theorem_cmd kind NONE (K I) a elems concl))));
   494 
   495 val _ = gen_theorem Thm.theoremK;
   496 val _ = gen_theorem Thm.lemmaK;
   497 val _ = gen_theorem Thm.corollaryK;
   498 
   499 val _ =
   500   OuterSyntax.command "have" "state local goal"
   501     (K.tag_proof K.prf_goal)
   502     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.have));
   503 
   504 val _ =
   505   OuterSyntax.command "hence" "abbreviates \"then have\""
   506     (K.tag_proof K.prf_goal)
   507     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.hence));
   508 
   509 val _ =
   510   OuterSyntax.command "show" "state local goal, solving current obligation"
   511     (K.tag_proof K.prf_asm_goal)
   512     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.show));
   513 
   514 val _ =
   515   OuterSyntax.command "thus" "abbreviates \"then show\""
   516     (K.tag_proof K.prf_asm_goal)
   517     (SpecParse.statement >> ((Toplevel.print oo Toplevel.proof') o IsarCmd.thus));
   518 
   519 
   520 (* facts *)
   521 
   522 val facts = P.and_list1 SpecParse.xthms1;
   523 
   524 val _ =
   525   OuterSyntax.command "then" "forward chaining"
   526     (K.tag_proof K.prf_chain)
   527     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.chain));
   528 
   529 val _ =
   530   OuterSyntax.command "from" "forward chaining from given facts"
   531     (K.tag_proof K.prf_chain)
   532     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.from_thmss)));
   533 
   534 val _ =
   535   OuterSyntax.command "with" "forward chaining from given and current facts"
   536     (K.tag_proof K.prf_chain)
   537     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.with_thmss)));
   538 
   539 val _ =
   540   OuterSyntax.command "note" "define facts"
   541     (K.tag_proof K.prf_decl)
   542     (SpecParse.name_facts >> (Toplevel.print oo (Toplevel.proof o Proof.note_thmss)));
   543 
   544 val _ =
   545   OuterSyntax.command "using" "augment goal facts"
   546     (K.tag_proof K.prf_decl)
   547     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.using)));
   548 
   549 val _ =
   550   OuterSyntax.command "unfolding" "unfold definitions in goal and facts"
   551     (K.tag_proof K.prf_decl)
   552     (facts >> (Toplevel.print oo (Toplevel.proof o Proof.unfolding)));
   553 
   554 
   555 (* proof context *)
   556 
   557 val _ =
   558   OuterSyntax.command "fix" "fix local variables (Skolem constants)"
   559     (K.tag_proof K.prf_asm)
   560     (P.fixes >> (Toplevel.print oo (Toplevel.proof o Proof.fix)));
   561 
   562 val _ =
   563   OuterSyntax.command "assume" "assume propositions"
   564     (K.tag_proof K.prf_asm)
   565     (SpecParse.statement >> (Toplevel.print oo (Toplevel.proof o Proof.assume)));
   566 
   567 val _ =
   568   OuterSyntax.command "presume" "assume propositions, to be established later"
   569     (K.tag_proof K.prf_asm)
   570     (SpecParse.statement >> (Toplevel.print oo (Toplevel.proof o Proof.presume)));
   571 
   572 val _ =
   573   OuterSyntax.command "def" "local definition"
   574     (K.tag_proof K.prf_asm)
   575     (P.and_list1
   576       (SpecParse.opt_thm_name ":" --
   577         ((P.name -- P.opt_mixfix) -- ((P.$$$ "\\<equiv>" || P.$$$ "==") |-- P.!!! P.termp)))
   578     >> (Toplevel.print oo (Toplevel.proof o Proof.def)));
   579 
   580 val _ =
   581   OuterSyntax.command "obtain" "generalized existence"
   582     (K.tag_proof K.prf_asm_goal)
   583     (P.parname -- Scan.optional (P.fixes --| P.where_) [] -- SpecParse.statement
   584       >> (fn ((x, y), z) => Toplevel.print o Toplevel.proof' (Obtain.obtain x y z)));
   585 
   586 val _ =
   587   OuterSyntax.command "guess" "wild guessing (unstructured)"
   588     (K.tag_proof K.prf_asm_goal)
   589     (Scan.optional P.fixes [] >> (Toplevel.print oo (Toplevel.proof' o Obtain.guess)));
   590 
   591 val _ =
   592   OuterSyntax.command "let" "bind text variables"
   593     (K.tag_proof K.prf_decl)
   594     (P.and_list1 (P.enum1 "and" P.term -- (P.$$$ "=" |-- P.term))
   595       >> (Toplevel.print oo (Toplevel.proof o Proof.let_bind)));
   596 
   597 val case_spec =
   598   (P.$$$ "(" |-- P.!!! (P.xname -- Scan.repeat1 (P.maybe P.name) --| P.$$$ ")") ||
   599     P.xname >> rpair []) -- SpecParse.opt_attribs >> P.triple1;
   600 
   601 val _ =
   602   OuterSyntax.command "case" "invoke local context"
   603     (K.tag_proof K.prf_asm)
   604     (case_spec >> (Toplevel.print oo (Toplevel.proof o Proof.invoke_case)));
   605 
   606 
   607 (* proof structure *)
   608 
   609 val _ =
   610   OuterSyntax.command "{" "begin explicit proof block"
   611     (K.tag_proof K.prf_open)
   612     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.begin_block));
   613 
   614 val _ =
   615   OuterSyntax.command "}" "end explicit proof block"
   616     (K.tag_proof K.prf_close)
   617     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.end_block));
   618 
   619 val _ =
   620   OuterSyntax.command "next" "enter next proof block"
   621     (K.tag_proof K.prf_block)
   622     (Scan.succeed (Toplevel.print o Toplevel.proof Proof.next_block));
   623 
   624 
   625 (* end proof *)
   626 
   627 val _ =
   628   OuterSyntax.command "qed" "conclude (sub-)proof"
   629     (K.tag_proof K.qed_block)
   630     (Scan.option Method.parse >> (Toplevel.print3 oo IsarCmd.qed));
   631 
   632 val _ =
   633   OuterSyntax.command "by" "terminal backward proof"
   634     (K.tag_proof K.qed)
   635     (Method.parse -- Scan.option Method.parse >> (Toplevel.print3 oo IsarCmd.terminal_proof));
   636 
   637 val _ =
   638   OuterSyntax.command ".." "default proof"
   639     (K.tag_proof K.qed)
   640     (Scan.succeed (Toplevel.print3 o IsarCmd.default_proof));
   641 
   642 val _ =
   643   OuterSyntax.command "." "immediate proof"
   644     (K.tag_proof K.qed)
   645     (Scan.succeed (Toplevel.print3 o IsarCmd.immediate_proof));
   646 
   647 val _ =
   648   OuterSyntax.command "done" "done proof"
   649     (K.tag_proof K.qed)
   650     (Scan.succeed (Toplevel.print3 o IsarCmd.done_proof));
   651 
   652 val _ =
   653   OuterSyntax.command "sorry" "skip proof (quick-and-dirty mode only!)"
   654     (K.tag_proof K.qed)
   655     (Scan.succeed (Toplevel.print3 o IsarCmd.skip_proof));
   656 
   657 val _ =
   658   OuterSyntax.command "oops" "forget proof"
   659     (K.tag_proof K.qed_global)
   660     (Scan.succeed Toplevel.forget_proof);
   661 
   662 
   663 (* proof steps *)
   664 
   665 val _ =
   666   OuterSyntax.command "defer" "shuffle internal proof state"
   667     (K.tag_proof K.prf_script)
   668     (Scan.option P.nat >> (Toplevel.print oo (Toplevel.proofs o Proof.defer)));
   669 
   670 val _ =
   671   OuterSyntax.command "prefer" "shuffle internal proof state"
   672     (K.tag_proof K.prf_script)
   673     (P.nat >> (Toplevel.print oo (Toplevel.proofs o Proof.prefer)));
   674 
   675 val _ =
   676   OuterSyntax.command "apply" "initial refinement step (unstructured)"
   677     (K.tag_proof K.prf_script)
   678     (Method.parse >> (Toplevel.print oo (Toplevel.proofs o Proof.apply)));
   679 
   680 val _ =
   681   OuterSyntax.command "apply_end" "terminal refinement (unstructured)"
   682     (K.tag_proof K.prf_script)
   683     (Method.parse >> (Toplevel.print oo (Toplevel.proofs o Proof.apply_end)));
   684 
   685 val _ =
   686   OuterSyntax.command "proof" "backward proof"
   687     (K.tag_proof K.prf_block)
   688     (Scan.option Method.parse >> (fn m => Toplevel.print o
   689       Toplevel.actual_proof (ProofHistory.applys (Proof.proof m)) o
   690       Toplevel.skip_proof (History.apply (fn i => i + 1))));
   691 
   692 
   693 (* calculational proof commands *)
   694 
   695 val calc_args =
   696   Scan.option (P.$$$ "(" |-- P.!!! ((SpecParse.xthms1 --| P.$$$ ")")));
   697 
   698 val _ =
   699   OuterSyntax.command "also" "combine calculation and current facts"
   700     (K.tag_proof K.prf_decl)
   701     (calc_args >> (Toplevel.proofs' o Calculation.also));
   702 
   703 val _ =
   704   OuterSyntax.command "finally" "combine calculation and current facts, exhibit result"
   705     (K.tag_proof K.prf_chain)
   706     (calc_args >> (Toplevel.proofs' o Calculation.finally_));
   707 
   708 val _ =
   709   OuterSyntax.command "moreover" "augment calculation by current facts"
   710     (K.tag_proof K.prf_decl)
   711     (Scan.succeed (Toplevel.proof' Calculation.moreover));
   712 
   713 val _ =
   714   OuterSyntax.command "ultimately" "augment calculation by current facts, exhibit result"
   715     (K.tag_proof K.prf_chain)
   716     (Scan.succeed (Toplevel.proof' Calculation.ultimately));
   717 
   718 
   719 (* proof navigation *)
   720 
   721 val _ =
   722   OuterSyntax.command "back" "backtracking of proof command"
   723     (K.tag_proof K.prf_script)
   724     (Scan.succeed (Toplevel.print o IsarCmd.back));
   725 
   726 
   727 (* history *)
   728 
   729 val _ =
   730   OuterSyntax.improper_command "cannot_undo" "report 'cannot undo' error message" K.control
   731     (P.name >> (Toplevel.no_timing oo IsarCmd.cannot_undo));
   732 
   733 val _ =
   734   OuterSyntax.improper_command "redo" "redo last command" K.control
   735     (Scan.succeed (Toplevel.no_timing o Toplevel.print o IsarCmd.redo));
   736 
   737 val _ =
   738   OuterSyntax.improper_command "undos_proof" "undo last proof commands" K.control
   739     (P.nat >> ((Toplevel.no_timing o Toplevel.print) oo IsarCmd.undos_proof));
   740 
   741 val _ =
   742   OuterSyntax.improper_command "undo" "undo last command" K.control
   743     (Scan.succeed (Toplevel.no_timing o IsarCmd.undo));
   744 
   745 val _ =
   746   OuterSyntax.improper_command "kill" "kill current history node" K.control
   747     (Scan.succeed (Toplevel.no_timing o Toplevel.print o IsarCmd.kill));
   748 
   749 
   750 (* nested command *)
   751 
   752 val _ =
   753   OuterSyntax.improper_command "Isabelle.command" "nested Isabelle command" K.control
   754     ((Scan.optional P.properties [] -- P.position P.string) :|-- (fn (props, arg) =>
   755       Scan.succeed (K (IsarCmd.nested_command props arg))
   756         handle ERROR msg => Scan.fail_with (K msg)));
   757 
   758 
   759 
   760 (** diagnostic commands (for interactive mode only) **)
   761 
   762 val opt_modes = Scan.optional (P.$$$ "(" |-- P.!!! (Scan.repeat1 P.xname --| P.$$$ ")")) [];
   763 val opt_bang = Scan.optional (P.$$$ "!" >> K true) false;
   764 
   765 val _ =
   766   OuterSyntax.improper_command "pretty_setmargin" "change default margin for pretty printing"
   767     K.diag (P.nat >> (Toplevel.no_timing oo IsarCmd.pretty_setmargin));
   768 
   769 val _ =
   770   OuterSyntax.improper_command "help" "print outer syntax commands" K.diag
   771     (Scan.succeed (Toplevel.no_timing o Toplevel.imperative OuterSyntax.print_outer_syntax));
   772 
   773 val _ =
   774   OuterSyntax.improper_command "print_commands" "print outer syntax commands" K.diag
   775     (Scan.succeed (Toplevel.no_timing o Toplevel.imperative OuterSyntax.print_outer_syntax));
   776 
   777 val _ =
   778   OuterSyntax.improper_command "print_configs" "print configuration options" K.diag
   779     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_configs));
   780 
   781 val _ =
   782   OuterSyntax.improper_command "print_context" "print theory context name" K.diag
   783     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_context));
   784 
   785 val _ =
   786   OuterSyntax.improper_command "print_theory" "print logical theory contents (verbose!)" K.diag
   787     (opt_bang >> (Toplevel.no_timing oo IsarCmd.print_theory));
   788 
   789 val _ =
   790   OuterSyntax.improper_command "print_syntax" "print inner syntax of context (verbose!)" K.diag
   791     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_syntax));
   792 
   793 val _ =
   794   OuterSyntax.improper_command "print_abbrevs" "print constant abbreviation of context" K.diag
   795     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_abbrevs));
   796 
   797 val _ =
   798   OuterSyntax.improper_command "print_theorems"
   799       "print theorems of local theory or proof context" K.diag
   800     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_theorems));
   801 
   802 val _ =
   803   OuterSyntax.improper_command "print_locales" "print locales of this theory" K.diag
   804     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_locales));
   805 
   806 val _ =
   807   OuterSyntax.improper_command "print_classes" "print classes of this theory" K.diag
   808     (Scan.succeed (Toplevel.no_timing o Toplevel.unknown_theory
   809       o Toplevel.keep (Class.print_classes o Toplevel.theory_of)));
   810 
   811 val _ =
   812   OuterSyntax.improper_command "print_locale" "print locale expression in this theory" K.diag
   813     (opt_bang -- locale_val >> (Toplevel.no_timing oo IsarCmd.print_locale));
   814 
   815 val _ =
   816   OuterSyntax.improper_command "print_interps"
   817     "print interpretations of named locale" K.diag
   818     (Scan.optional (P.$$$ "!" >> K true) false -- P.xname
   819       >> (Toplevel.no_timing oo uncurry IsarCmd.print_registrations));
   820 
   821 val _ =
   822   OuterSyntax.improper_command "print_attributes" "print attributes of this theory" K.diag
   823     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_attributes));
   824 
   825 val _ =
   826   OuterSyntax.improper_command "print_simpset" "print context of Simplifier" K.diag
   827     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_simpset));
   828 
   829 val _ =
   830   OuterSyntax.improper_command "print_rules" "print intro/elim rules" K.diag
   831     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_rules));
   832 
   833 val _ =
   834   OuterSyntax.improper_command "print_trans_rules" "print transitivity rules" K.diag
   835     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_trans_rules));
   836 
   837 val _ =
   838   OuterSyntax.improper_command "print_methods" "print methods of this theory" K.diag
   839     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_methods));
   840 
   841 val _ =
   842   OuterSyntax.improper_command "print_antiquotations" "print antiquotations (global)" K.diag
   843     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_antiquotations));
   844 
   845 val _ =
   846   OuterSyntax.improper_command "thy_deps" "visualize theory dependencies"
   847     K.diag (Scan.succeed (Toplevel.no_timing o IsarCmd.thy_deps));
   848 
   849 val _ =
   850   OuterSyntax.improper_command "class_deps" "visualize class dependencies"
   851     K.diag (Scan.succeed (Toplevel.no_timing o IsarCmd.class_deps));
   852 
   853 val _ =
   854   OuterSyntax.improper_command "thm_deps" "visualize theorem dependencies"
   855     K.diag (SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.thm_deps));
   856 
   857 local
   858 
   859 val criterion =
   860   P.reserved "name" |-- P.!!! (P.$$$ ":" |-- P.xname) >> FindTheorems.Name ||
   861   P.reserved "intro" >> K FindTheorems.Intro ||
   862   P.reserved "elim" >> K FindTheorems.Elim ||
   863   P.reserved "dest" >> K FindTheorems.Dest ||
   864   P.reserved "simp" |-- P.!!! (P.$$$ ":" |-- P.term) >> FindTheorems.Simp ||
   865   P.term >> FindTheorems.Pattern;
   866 
   867 val options =
   868   Scan.optional
   869     (P.$$$ "(" |--
   870       P.!!! (Scan.option P.nat -- Scan.optional (P.reserved "with_dups" >> K false) true
   871         --| P.$$$ ")")) (NONE, true);
   872 in
   873 
   874 val _ =
   875   OuterSyntax.improper_command "find_theorems" "print theorems meeting specified criteria" K.diag
   876     (options -- Scan.repeat (((Scan.option P.minus >> is_none) -- criterion))
   877       >> (Toplevel.no_timing oo IsarCmd.find_theorems));
   878 
   879 end;
   880 
   881 val _ =
   882   OuterSyntax.improper_command "print_binds" "print term bindings of proof context" K.diag
   883     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_binds));
   884 
   885 val _ =
   886   OuterSyntax.improper_command "print_facts" "print facts of proof context" K.diag
   887     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_facts));
   888 
   889 val _ =
   890   OuterSyntax.improper_command "print_cases" "print cases of proof context" K.diag
   891     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_cases));
   892 
   893 val _ =
   894   OuterSyntax.improper_command "print_statement" "print theorems as long statements" K.diag
   895     (opt_modes -- SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_stmts));
   896 
   897 val _ =
   898   OuterSyntax.improper_command "thm" "print theorems" K.diag
   899     (opt_modes -- SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_thms));
   900 
   901 val _ =
   902   OuterSyntax.improper_command "prf" "print proof terms of theorems" K.diag
   903     (opt_modes -- Scan.option SpecParse.xthms1
   904       >> (Toplevel.no_timing oo IsarCmd.print_prfs false));
   905 
   906 val _ =
   907   OuterSyntax.improper_command "full_prf" "print full proof terms of theorems" K.diag
   908     (opt_modes -- Scan.option SpecParse.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_prfs true));
   909 
   910 val _ =
   911   OuterSyntax.improper_command "prop" "read and print proposition" K.diag
   912     (opt_modes -- P.term >> (Toplevel.no_timing oo IsarCmd.print_prop));
   913 
   914 val _ =
   915   OuterSyntax.improper_command "term" "read and print term" K.diag
   916     (opt_modes -- P.term >> (Toplevel.no_timing oo IsarCmd.print_term));
   917 
   918 val _ =
   919   OuterSyntax.improper_command "typ" "read and print type" K.diag
   920     (opt_modes -- P.typ >> (Toplevel.no_timing oo IsarCmd.print_type));
   921 
   922 val _ =
   923   OuterSyntax.improper_command "print_codesetup" "print code generator setup of this theory" K.diag
   924     (Scan.succeed
   925       (Toplevel.no_timing o Toplevel.unknown_theory o Toplevel.keep
   926         (Code.print_codesetup o Toplevel.theory_of)));
   927 
   928 val _ =
   929   OuterSyntax.improper_command "unused_thms" "find unused theorems" K.diag
   930     (Scan.option ((Scan.repeat1 (Scan.unless P.minus P.name) --| P.minus) --
   931        Scan.option (Scan.repeat1 (Scan.unless P.minus P.name))) >>
   932          (Toplevel.no_timing oo IsarCmd.unused_thms));
   933 
   934 
   935 (** system commands (for interactive mode only) **)
   936 
   937 val _ =
   938   OuterSyntax.improper_command "cd" "change current working directory" K.diag
   939     (P.path >> (Toplevel.no_timing oo IsarCmd.cd));
   940 
   941 val _ =
   942   OuterSyntax.improper_command "pwd" "print current working directory" K.diag
   943     (Scan.succeed (Toplevel.no_timing o IsarCmd.pwd));
   944 
   945 val _ =
   946   OuterSyntax.improper_command "use_thy" "use theory file" K.diag
   947     (P.name >> (fn name =>
   948       Toplevel.no_timing o Toplevel.imperative (fn () => ThyInfo.use_thy name)));
   949 
   950 val _ =
   951   OuterSyntax.improper_command "touch_thy" "outdate theory, including descendants" K.diag
   952     (P.name >> (Toplevel.no_timing oo IsarCmd.touch_thy));
   953 
   954 val _ =
   955   OuterSyntax.improper_command "touch_child_thys" "outdate child theories" K.diag
   956     (P.name >> (Toplevel.no_timing oo IsarCmd.touch_child_thys));
   957 
   958 val _ =
   959   OuterSyntax.improper_command "remove_thy" "remove theory from loader database" K.diag
   960     (P.name >> (Toplevel.no_timing oo IsarCmd.remove_thy));
   961 
   962 val _ =
   963   OuterSyntax.improper_command "kill_thy" "kill theory -- try to remove from loader database"
   964     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.kill_thy));
   965 
   966 val _ =
   967   OuterSyntax.improper_command "display_drafts" "display raw source files with symbols"
   968     K.diag (Scan.repeat1 P.path >> (Toplevel.no_timing oo IsarCmd.display_drafts));
   969 
   970 val _ =
   971   OuterSyntax.improper_command "print_drafts" "print raw source files with symbols"
   972     K.diag (Scan.repeat1 P.path >> (Toplevel.no_timing oo IsarCmd.print_drafts));
   973 
   974 val opt_limits =
   975   Scan.option P.nat -- Scan.option (P.$$$ "," |-- P.!!! P.nat);
   976 
   977 val _ =
   978   OuterSyntax.improper_command "pr" "print current proof state (if present)" K.diag
   979     (opt_modes -- opt_limits >> (Toplevel.no_timing oo IsarCmd.pr));
   980 
   981 val _ =
   982   OuterSyntax.improper_command "disable_pr" "disable printing of toplevel state" K.diag
   983     (Scan.succeed (Toplevel.no_timing o IsarCmd.disable_pr));
   984 
   985 val _ =
   986   OuterSyntax.improper_command "enable_pr" "enable printing of toplevel state" K.diag
   987     (Scan.succeed (Toplevel.no_timing o IsarCmd.enable_pr));
   988 
   989 val _ =
   990   OuterSyntax.improper_command "commit" "commit current session to ML database" K.diag
   991     (P.opt_unit >> K (Toplevel.no_timing o Toplevel.imperative Secure.commit));
   992 
   993 val _ =
   994   OuterSyntax.improper_command "quit" "quit Isabelle" K.control
   995     (P.opt_unit >> (Toplevel.no_timing oo K IsarCmd.quit));
   996 
   997 val _ =
   998   OuterSyntax.improper_command "exit" "exit Isar loop" K.control
   999     (Scan.succeed (Toplevel.no_timing o IsarCmd.exit));
  1000 
  1001 val _ =
  1002   OuterSyntax.improper_command "init_toplevel" "restart Isar toplevel loop" K.control
  1003     (Scan.succeed (Toplevel.no_timing o IsarCmd.init_toplevel));
  1004 
  1005 val _ =
  1006   OuterSyntax.improper_command "welcome" "print welcome message" K.diag
  1007     (Scan.succeed (Toplevel.no_timing o IsarCmd.welcome));
  1008 
  1009 end;