(*  Title:      Pure/Isar/isar_syn.ML

     ID:         $Id$

     Author:     Markus Wenzel, TU Muenchen

 Isar/Pure outer syntax.

 *)

 signature ISAR_SYN = sig end;

 structure IsarSyn: ISAR_SYN =

 struct

 structure P = OuterParse and K = OuterSyntax.Keyword;

 (** init and exit **)

 val theoryP =

   OuterSyntax.command "theory" "begin theory" K.thy_begin

     (ThyHeader.args >> (Toplevel.print oo IsarThy.theory));

 val end_excursionP =

   OuterSyntax.command "end" "end current excursion" K.thy_end

     (Scan.succeed (Toplevel.print o Toplevel.exit));

 val contextP =

   OuterSyntax.improper_command "context" "switch theory context" K.thy_switch

     (P.name >> (Toplevel.print oo IsarThy.context));

 (** markup commands **)

 val headerP = OuterSyntax.markup_command IsarOutput.Markup "header" "theory header" K.diag

   (P.position P.text >> IsarCmd.add_header);

 val chapterP = OuterSyntax.markup_command IsarOutput.Markup "chapter" "chapter heading"

   K.thy_heading (P.position P.text >> IsarCmd.add_chapter);

 val sectionP = OuterSyntax.markup_command IsarOutput.Markup "section" "section heading"

   K.thy_heading (P.position P.text >> IsarCmd.add_section);

 val subsectionP = OuterSyntax.markup_command IsarOutput.Markup "subsection" "subsection heading"

   K.thy_heading (P.position P.text >> IsarCmd.add_subsection);

 val subsubsectionP =

   OuterSyntax.markup_command IsarOutput.Markup "subsubsection" "subsubsection heading"

   K.thy_heading (P.position P.text >> IsarCmd.add_subsubsection);

 val textP = OuterSyntax.markup_command IsarOutput.MarkupEnv "text" "formal comment (theory)"

   K.thy_decl (P.position P.text >> IsarCmd.add_text);

 val text_rawP = OuterSyntax.markup_command IsarOutput.Verbatim "text_raw"

   "raw document preparation text" K.thy_decl

   (P.position P.text >> IsarCmd.add_text_raw);

 val sectP = OuterSyntax.markup_command IsarOutput.Markup "sect" "formal comment (proof)"

   K.prf_heading (P.position P.text >> IsarCmd.add_sect);

 val subsectP = OuterSyntax.markup_command IsarOutput.Markup "subsect" "formal comment (proof)"

   K.prf_heading (P.position P.text >> IsarCmd.add_subsect);

 val subsubsectP = OuterSyntax.markup_command IsarOutput.Markup "subsubsect"

   "formal comment (proof)" K.prf_heading

   (P.position P.text >> IsarCmd.add_subsubsect);

 val txtP = OuterSyntax.markup_command IsarOutput.MarkupEnv "txt" "formal comment (proof)"

   K.prf_decl (P.position P.text >> IsarCmd.add_txt);

 val txt_rawP = OuterSyntax.markup_command IsarOutput.Verbatim "txt_raw"

   "raw document preparation text (proof)" K.prf_decl

   (P.position P.text >> IsarCmd.add_txt_raw);

 (** theory sections **)

 (* classes and sorts *)

 val classesP =

   OuterSyntax.command "classes" "declare type classes" K.thy_decl

     (Scan.repeat1 (P.name -- Scan.optional ((P.$$$ "\\<subseteq>" || P.$$$ "<") |--

         P.!!! (P.list1 P.xname)) []) >> (Toplevel.theory o Theory.add_classes));

 val classrelP =

   OuterSyntax.command "classrel" "state inclusion of type classes (axiomatic!)" K.thy_decl

     (P.and_list1 (P.xname -- ((P.$$$ "\\<subseteq>" || P.$$$ "<") |-- P.!!! P.xname))

     >> (Toplevel.theory o Theory.add_classrel));

 val defaultsortP =

   OuterSyntax.command "defaultsort" "declare default sort" K.thy_decl

     (P.sort >> (Toplevel.theory o Theory.add_defsort));

 (* types *)

 val typedeclP =

   OuterSyntax.command "typedecl" "type declaration" K.thy_decl

     (P.type_args -- P.name -- P.opt_infix >> (fn ((args, a), mx) =>

       Toplevel.theory (Theory.add_typedecls [(a, args, mx)])));

 val typeabbrP =

   OuterSyntax.command "types" "declare type abbreviations" K.thy_decl

     (Scan.repeat1

       (P.type_args -- P.name -- (P.$$$ "=" |-- P.!!! (P.typ -- P.opt_infix')))

       >> (Toplevel.theory o Theory.add_tyabbrs o

         map (fn ((args, a), (T, mx)) => (a, args, T, mx))));

 val nontermP =

   OuterSyntax.command "nonterminals" "declare types treated as grammar nonterminal symbols"

     K.thy_decl (Scan.repeat1 P.name >> (Toplevel.theory o Theory.add_nonterminals));

 val aritiesP =

   OuterSyntax.command "arities" "state type arities (axiomatic!)" K.thy_decl

     (Scan.repeat1 (P.xname -- (P.$$$ "::" |-- P.!!! P.arity) >> P.triple2)

       >> (Toplevel.theory o Theory.add_arities));

 (* consts and syntax *)

 val judgmentP =

   OuterSyntax.command "judgment" "declare object-logic judgment" K.thy_decl

     (P.const >> (Toplevel.theory o ObjectLogic.add_judgment));

 val constsP =

   OuterSyntax.command "consts" "declare constants" K.thy_decl

     (Scan.repeat1 P.const >> (Toplevel.theory o Theory.add_consts));

 val opt_overloaded = P.opt_keyword "overloaded";

 val finalconstsP =

   OuterSyntax.command "finalconsts" "declare constants as final" K.thy_decl

     (opt_overloaded -- Scan.repeat1 P.term >> (uncurry (Toplevel.theory oo Theory.add_finals)));

 val mode_spec =

   (P.$$$ "output" >> K ("", false)) || P.name -- Scan.optional (P.$$$ "output" >> K false) true;

 val opt_mode =

   Scan.optional (P.$$$ "(" |-- P.!!! (mode_spec --| P.$$$ ")")) Syntax.default_mode;

 val syntaxP =

   OuterSyntax.command "syntax" "declare syntactic constants" K.thy_decl

     (opt_mode -- Scan.repeat1 P.const >> (Toplevel.theory o uncurry Theory.add_modesyntax));

 val no_syntaxP =

   OuterSyntax.command "no_syntax" "delete syntax declarations" K.thy_decl

     (opt_mode -- Scan.repeat1 P.const >> (Toplevel.theory o uncurry Theory.del_modesyntax));

 (* translations *)

 val trans_pat =

   Scan.optional (P.$$$ "(" |-- P.!!! (P.xname --| P.$$$ ")")) "logic" -- P.string;

 fun trans_arrow toks =

   ((P.$$$ "\\<rightharpoonup>" || P.$$$ "=>") >> K Syntax.ParseRule ||

     (P.$$$ "\\<leftharpoondown>" || P.$$$ "<=") >> K Syntax.PrintRule ||

     (P.$$$ "\\<rightleftharpoons>" || P.$$$ "==") >> K Syntax.ParsePrintRule) toks;

 val trans_line =

   trans_pat -- P.!!! (trans_arrow -- trans_pat)

     >> (fn (left, (arr, right)) => arr (left, right));

 val translationsP =

   OuterSyntax.command "translations" "declare syntax translation rules" K.thy_decl

     (Scan.repeat1 trans_line >> (Toplevel.theory o Theory.add_trrules));

 (* axioms and definitions *)

 val axiomsP =

   OuterSyntax.command "axioms" "state arbitrary propositions (axiomatic!)" K.thy_decl

     (Scan.repeat1 P.spec_name >> (Toplevel.theory o IsarThy.add_axioms));

 val defsP =

   OuterSyntax.command "defs" "define constants" K.thy_decl

     (opt_overloaded -- Scan.repeat1 P.spec_name >> (Toplevel.theory o IsarThy.add_defs));

 (* constant definitions *)

 val vars = P.and_list1 (Scan.repeat1 P.name -- Scan.option (P.$$$ "::" |-- P.typ));

 val structs =

   Scan.optional ((P.$$$ "(" -- P.$$$ "structure") |-- P.!!! (vars --| P.$$$ ")")) [];

 val constdecl =

   (P.name --| P.$$$ "where") >> (fn x => (x, NONE, Syntax.NoSyn)) ||

     P.name -- (P.$$$ "::" |-- P.!!! P.typ >> SOME) -- P.opt_mixfix' >> P.triple1 ||

     P.name -- (P.mixfix' >> pair NONE) >> P.triple2;

 val constdef = Scan.option constdecl -- (P.opt_thm_name ":" -- P.prop);

 val constdefsP =

   OuterSyntax.command "constdefs" "standard constant definitions" K.thy_decl

     (structs -- Scan.repeat1 constdef >> (Toplevel.theory o Constdefs.add_constdefs));

 (* theorems *)

 val name_facts = P.and_list1 (P.opt_thm_name "=" -- P.xthms1);

 fun theorems kind = P.locale_target -- name_facts

   >> uncurry (#1 ooo IsarThy.smart_theorems kind);

 val theoremsP =

   OuterSyntax.command "theorems" "define theorems" K.thy_decl

     (theorems Drule.theoremK >> Toplevel.theory);

 val lemmasP =

   OuterSyntax.command "lemmas" "define lemmas" K.thy_decl

     (theorems Drule.lemmaK >> Toplevel.theory);

 val declareP =

   OuterSyntax.command "declare" "declare theorems (improper)" K.thy_script

     (P.locale_target -- (P.and_list1 P.xthms1 >> List.concat)

       >> (Toplevel.theory o uncurry IsarThy.declare_theorems));

 (* name space entry path *)

 val globalP =

   OuterSyntax.command "global" "disable prefixing of theory name" K.thy_decl

     (Scan.succeed (Toplevel.theory Sign.root_path));

 val localP =

   OuterSyntax.command "local" "enable prefixing of theory name" K.thy_decl

     (Scan.succeed (Toplevel.theory Sign.local_path));

 val hideP =

   OuterSyntax.command "hide" "hide names from given name space" K.thy_decl

     (P.name -- Scan.repeat1 P.xname >> (Toplevel.theory o IsarThy.hide_names));

 (* use ML text *)

 val useP =

   OuterSyntax.command "use" "eval ML text from file" K.diag

     (P.path >> (Toplevel.no_timing oo IsarCmd.use));

 val mlP =

   OuterSyntax.command "ML" "eval ML text (diagnostic)" K.diag

     (P.text >> IsarCmd.use_mltext true);

 val ml_commandP =

   OuterSyntax.command "ML_command" "eval ML text" K.diag

     (P.text >> (Toplevel.no_timing oo IsarCmd.use_mltext false));

 val ml_setupP =

   OuterSyntax.command "ML_setup" "eval ML text (may change theory)" K.thy_decl

     (P.text >> IsarCmd.use_mltext_theory);

 val setupP =

   OuterSyntax.command "setup" "apply ML theory setup" K.thy_decl

     (P.text >> (Toplevel.theory o IsarThy.generic_setup));

 val method_setupP =

   OuterSyntax.command "method_setup" "define proof method in ML" K.thy_decl

     (((P.name -- P.!!! (P.$$$ "=" |-- P.text -- P.text) >> P.triple2))

       >> (Toplevel.theory o IsarThy.method_setup));

 (* translation functions *)

 val trfun = P.opt_keyword "advanced" -- P.text;

 val parse_ast_translationP =

   OuterSyntax.command "parse_ast_translation" "install parse ast translation functions" K.thy_decl

     (trfun >> (Toplevel.theory o IsarThy.parse_ast_translation));

 val parse_translationP =

   OuterSyntax.command "parse_translation" "install parse translation functions" K.thy_decl

     (trfun >> (Toplevel.theory o IsarThy.parse_translation));

 val print_translationP =

   OuterSyntax.command "print_translation" "install print translation functions" K.thy_decl

     (trfun >> (Toplevel.theory o IsarThy.print_translation));

 val typed_print_translationP =

   OuterSyntax.command "typed_print_translation" "install typed print translation functions"

     K.thy_decl (trfun >> (Toplevel.theory o IsarThy.typed_print_translation));

 val print_ast_translationP =

   OuterSyntax.command "print_ast_translation" "install print ast translation functions" K.thy_decl

     (trfun >> (Toplevel.theory o IsarThy.print_ast_translation));

 val token_translationP =

   OuterSyntax.command "token_translation" "install token translation functions" K.thy_decl

     (P.text >> (Toplevel.theory o IsarThy.token_translation));

 (* oracles *)

 val oracleP =

   OuterSyntax.command "oracle" "install oracle" K.thy_decl

     ((P.name --| P.$$$ "=") -- P.text >> (Toplevel.theory o IsarThy.add_oracle));

 (* locales *)

 val locale_val =

   (P.locale_expr --

     Scan.optional (P.$$$ "+" |-- P.!!! (Scan.repeat1 P.locale_element)) [] ||

   Scan.repeat1 P.locale_element >> pair Locale.empty);

 val localeP =

   OuterSyntax.command "locale" "define named proof context" K.thy_decl

     ((P.opt_keyword "open" >> not) -- P.name

         -- Scan.optional (P.$$$ "=" |-- P.!!! locale_val) (Locale.empty, [])

       >> (Toplevel.theory o IsarThy.add_locale o (fn ((x, y), (z, w)) => (x, y, z, w))));

 val view_val =

   Scan.optional (P.$$$ "[" |-- Scan.repeat1 (P.maybe P.term) --| P.$$$ "]") [];

 val interpretationP =

   OuterSyntax.command "interpretation"

     "prove and register interpretation of locale expression in theory" K.thy_goal

     (P.opt_thm_name ":" -- P.locale_expr -- P.!!! view_val

       >> ((Toplevel.print oo Toplevel.theory_to_proof) o IsarThy.register_globally));

 val interpretP =

   OuterSyntax.command "interpret"

     "prove and register interpretation of locale expression in context" K.prf_goal

     (P.opt_thm_name ":" -- P.locale_expr -- P.!!! view_val

       >> ((Toplevel.print oo Toplevel.proof) o IsarThy.register_locally));

 (** proof commands **)

 (* statements *)

 val statement = P.and_list1 (P.opt_thm_name ":" -- Scan.repeat1 P.propp);

 val general_statement =

   statement >> pair [] || Scan.repeat P.locale_elem_or_expr -- (P.$$$ "shows" |-- statement);

 fun gen_theorem k =

   OuterSyntax.command k ("state " ^ k) K.thy_goal

     (P.locale_target -- Scan.optional (P.opt_thm_name ":" --|

       Scan.ahead (P.locale_keyword || P.$$$ "shows")) ("", []) --

       general_statement >> (fn ((x, y), (z, w)) =>

       (Toplevel.print o Toplevel.theory_to_proof (IsarThy.smart_multi_theorem k x y z w))));

 val theoremP = gen_theorem Drule.theoremK;

 val lemmaP = gen_theorem Drule.lemmaK;

 val corollaryP = gen_theorem Drule.corollaryK;

 val showP =

   OuterSyntax.command "show" "state local goal, solving current obligation" K.prf_goal

     (statement >> ((Toplevel.print oo Toplevel.proof') o IsarThy.show));

 val haveP =

   OuterSyntax.command "have" "state local goal" K.prf_goal

     (statement >> ((Toplevel.print oo Toplevel.proof) o  IsarThy.have));

 val thusP =

   OuterSyntax.command "thus" "abbreviates \"then show\"" K.prf_goal

     (statement >> ((Toplevel.print oo Toplevel.proof') o IsarThy.thus));

 val henceP =

   OuterSyntax.command "hence" "abbreviates \"then have\"" K.prf_goal

     (statement >> ((Toplevel.print oo Toplevel.proof) o IsarThy.hence));

 (* facts *)

 val facts = P.and_list1 P.xthms1;

 val thenP =

   OuterSyntax.command "then" "forward chaining" K.prf_chain

     (Scan.succeed (Toplevel.print o (Toplevel.proof IsarThy.chain)));

 val fromP =

   OuterSyntax.command "from" "forward chaining from given facts" K.prf_chain

     (facts >> (Toplevel.print oo (Toplevel.proof o IsarThy.from_facts)));

 val withP =

   OuterSyntax.command "with" "forward chaining from given and current facts" K.prf_chain

     (facts >> (Toplevel.print oo (Toplevel.proof o IsarThy.with_facts)));

 val noteP =

   OuterSyntax.command "note" "define facts" K.prf_decl

     (name_facts >> (Toplevel.print oo (Toplevel.proof o IsarThy.have_facts)));

 val usingP =

   OuterSyntax.command "using" "augment goal facts" K.prf_decl

     (facts >> (Toplevel.print oo (Toplevel.proof o IsarThy.using_facts)));

 (* proof context *)

 val fixP =

   OuterSyntax.command "fix" "fix local variables (Skolem constants)" K.prf_asm

     (vars >> (Toplevel.print oo (Toplevel.proof o IsarThy.fix)));

 val assumeP =

   OuterSyntax.command "assume" "assume propositions" K.prf_asm

     (statement >> (Toplevel.print oo (Toplevel.proof o IsarThy.assume)));

 val presumeP =

   OuterSyntax.command "presume" "assume propositions, to be established later" K.prf_asm

     (statement >> (Toplevel.print oo (Toplevel.proof o IsarThy.presume)));

 val defP =

   OuterSyntax.command "def" "local definition" K.prf_asm

     (P.opt_thm_name ":" -- (P.name -- ((P.$$$ "\\<equiv>" || P.$$$ "==") |-- P.!!! P.termp))

       >> (Toplevel.print oo (Toplevel.proof o IsarThy.local_def)));

 val obtainP =

   OuterSyntax.command "obtain" "generalized existence"

     K.prf_asm_goal

     (Scan.optional

       (P.and_list1 (Scan.repeat1 P.name -- Scan.option (P.$$$ "::" |-- P.typ))

         --| P.$$$ "where") [] -- statement >> (Toplevel.print oo IsarThy.obtain));

 val letP =

   OuterSyntax.command "let" "bind text variables" K.prf_decl

     (P.and_list1 (P.enum1 "and" P.term -- (P.$$$ "=" |-- P.term))

       >> (Toplevel.print oo (Toplevel.proof o IsarThy.let_bind)));

 val case_spec =

   (P.$$$ "(" |-- P.!!! (P.xname -- Scan.repeat1 (P.maybe P.name) --| P.$$$ ")") ||

     P.xname >> rpair []) -- P.opt_attribs >> P.triple1;

 val caseP =

   OuterSyntax.command "case" "invoke local context" K.prf_asm

     (case_spec >> (Toplevel.print oo (Toplevel.proof o IsarThy.invoke_case)));

 (* proof structure *)

 val beginP =

   OuterSyntax.command "{" "begin explicit proof block" K.prf_open

     (Scan.succeed (Toplevel.print o (Toplevel.proof IsarThy.begin_block)));

 val endP =

   OuterSyntax.command "}" "end explicit proof block" K.prf_close

     (Scan.succeed (Toplevel.print o (Toplevel.proof IsarThy.end_block)));

 val nextP =

   OuterSyntax.command "next" "enter next proof block" K.prf_block

     (Scan.succeed (Toplevel.print o (Toplevel.proof IsarThy.next_block)));

 (* end proof *)

 val qedP =

   OuterSyntax.command "qed" "conclude (sub-)proof" K.qed_block

     (Scan.option P.method >> IsarThy.qed);

 val terminal_proofP =

   OuterSyntax.command "by" "terminal backward proof" K.qed

     (P.method -- Scan.option P.method >> IsarThy.terminal_proof);

 val default_proofP =

   OuterSyntax.command ".." "default proof" K.qed

     (Scan.succeed IsarThy.default_proof);

 val immediate_proofP =

   OuterSyntax.command "." "immediate proof" K.qed

     (Scan.succeed IsarThy.immediate_proof);

 val done_proofP =

   OuterSyntax.command "done" "done proof" K.qed

     (Scan.succeed IsarThy.done_proof);

 val skip_proofP =

   OuterSyntax.improper_command "sorry" "skip proof (quick-and-dirty mode only!)" K.qed

     (Scan.succeed IsarThy.skip_proof);

 val forget_proofP =

   OuterSyntax.command "oops" "forget proof" K.qed_global

     (Scan.succeed IsarThy.forget_proof);

 (* proof steps *)

 val deferP =

   OuterSyntax.command "defer" "shuffle internal proof state" K.prf_script

     (Scan.option P.nat >> (Toplevel.print oo (Toplevel.proof o IsarThy.defer)));

 val preferP =

   OuterSyntax.command "prefer" "shuffle internal proof state" K.prf_script

     (P.nat >> (Toplevel.print oo (Toplevel.proof o IsarThy.prefer)));

 val applyP =

   OuterSyntax.command "apply" "initial refinement step (unstructured)" K.prf_script

     (P.method >> (Toplevel.print oo (Toplevel.proof o IsarThy.apply)));

 val apply_endP =

   OuterSyntax.command "apply_end" "terminal refinement (unstructured)" K.prf_script

     (P.method >> (Toplevel.print oo (Toplevel.proof o IsarThy.apply_end)));

 val proofP =

   OuterSyntax.command "proof" "backward proof" K.prf_block

     (Scan.option P.method >> (fn m => Toplevel.print o Toplevel.proof (IsarThy.proof m) o

       Toplevel.skip_proof (History.apply (fn i => i + 1))));

 (* calculational proof commands *)

 val calc_args =

   Scan.option (P.$$$ "(" |-- P.!!! ((P.xthms1 --| P.$$$ ")")));

 val alsoP =

   OuterSyntax.command "also" "combine calculation and current facts" K.prf_decl

     (calc_args >> IsarThy.also);

 val finallyP =

   OuterSyntax.command "finally" "combine calculation and current facts, exhibit result" K.prf_chain

     (calc_args >> IsarThy.finally);

 val moreoverP =

   OuterSyntax.command "moreover" "augment calculation by current facts" K.prf_decl

     (Scan.succeed IsarThy.moreover);

 val ultimatelyP =

   OuterSyntax.command "ultimately" "augment calculation by current facts, exhibit result"

     K.prf_chain (Scan.succeed IsarThy.ultimately);

 (* proof navigation *)

 val backP =

   OuterSyntax.command "back" "backtracking of proof command" K.prf_script

     (Scan.optional (P.$$$ "!" >> K true) false >> (Toplevel.print oo IsarCmd.back));

 (* history *)

 val cannot_undoP =

   OuterSyntax.improper_command "cannot_undo" "report 'cannot undo' error message" K.control

     (P.name >> (Toplevel.no_timing oo IsarCmd.cannot_undo));

 val clear_undosP =

   OuterSyntax.improper_command "clear_undos" "clear theory-level undo information" K.control

     (P.nat >> (Toplevel.no_timing oo IsarCmd.clear_undos_theory));

 val redoP =

   OuterSyntax.improper_command "redo" "redo last command" K.control

     (Scan.succeed (Toplevel.no_timing o Toplevel.print o IsarCmd.redo));

 val undos_proofP =

   OuterSyntax.improper_command "undos_proof" "undo last proof commands" K.control

     (P.nat >> ((Toplevel.no_timing o Toplevel.print) oo IsarCmd.undos_proof));

 val undoP =

   OuterSyntax.improper_command "undo" "undo last command" K.control

     (Scan.succeed ((Toplevel.no_timing o Toplevel.print) o IsarCmd.undo));

 val killP =

   OuterSyntax.improper_command "kill" "kill current history node" K.control

     (Scan.succeed ((Toplevel.no_timing o Toplevel.print) o IsarCmd.kill));

 (** diagnostic commands (for interactive mode only) **)

 val opt_modes = Scan.optional (P.$$$ "(" |-- P.!!! (Scan.repeat1 P.xname --| P.$$$ ")")) [];

 val pretty_setmarginP =

   OuterSyntax.improper_command "pretty_setmargin" "change default margin for pretty printing"

     K.diag (P.nat >> (Toplevel.no_timing oo IsarCmd.pretty_setmargin));

 val print_commandsP =

   OuterSyntax.improper_command "print_commands" "print outer syntax (global)" K.diag

     (Scan.succeed (Toplevel.no_timing o OuterSyntax.print_commands));

 val print_contextP =

   OuterSyntax.improper_command "print_context" "print theory context name" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_context));

 val print_theoryP =

   OuterSyntax.improper_command "print_theory" "print logical theory contents (verbose!)" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_theory));

 val print_syntaxP =

   OuterSyntax.improper_command "print_syntax" "print inner syntax of theory (verbose!)" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_syntax));

 val print_theoremsP =

   OuterSyntax.improper_command "print_theorems" "print theorems of this theory" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_theorems));

 val print_localesP =

   OuterSyntax.improper_command "print_locales" "print locales of this theory" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_locales));

 val print_localeP =

   OuterSyntax.improper_command "print_locale" "print locale expression in this theory" K.diag

     (locale_val >> (Toplevel.no_timing oo IsarCmd.print_locale));

 val print_registrationsP =

   OuterSyntax.improper_command "print_interps"

     "print interpretations of named locale" K.diag

     (P.xname >> (Toplevel.no_timing oo IsarCmd.print_registrations));

 val print_attributesP =

   OuterSyntax.improper_command "print_attributes" "print attributes of this theory" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_attributes));

 val print_simpsetP =

   OuterSyntax.improper_command "print_simpset" "print context of Simplifier" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_simpset));

 val print_rulesP =

   OuterSyntax.improper_command "print_rules" "print intro/elim rules" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_rules));

 val print_induct_rulesP =

   OuterSyntax.improper_command "print_induct_rules" "print induction and cases rules" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_induct_rules));

 val print_trans_rulesP =

   OuterSyntax.improper_command "print_trans_rules" "print transitivity rules" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_trans_rules));

 val print_methodsP =

   OuterSyntax.improper_command "print_methods" "print methods of this theory" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_methods));

 val print_antiquotationsP =

   OuterSyntax.improper_command "print_antiquotations" "print antiquotations (global)" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_antiquotations));

 val thm_depsP =

   OuterSyntax.improper_command "thm_deps" "visualize theorem dependencies"

     K.diag (P.xthms1 >> (Toplevel.no_timing oo IsarCmd.thm_deps));

 val criterion =

   P.reserved "name" |-- P.!!! (P.$$$ ":" |-- P.xname) >> FindTheorems.Name ||

   P.reserved "intro" >> K FindTheorems.Intro ||

   P.reserved "elim" >> K FindTheorems.Elim ||

   P.reserved "dest" >> K FindTheorems.Dest ||

   P.reserved "simp" |-- P.!!! (P.$$$ ":" |-- P.term) >> FindTheorems.Simp ||

   P.term >> FindTheorems.Pattern;

 val find_theoremsP =

   OuterSyntax.improper_command "thms_containing"

     "print theorems meeting specified criteria" K.diag

     (Scan.option (P.$$$ "(" |-- P.!!! (P.nat --| P.$$$ ")")) --

      Scan.repeat (((Scan.option P.minus >> is_none) -- criterion))

       >> (Toplevel.no_timing oo IsarCmd.find_theorems));

 val print_bindsP =

   OuterSyntax.improper_command "print_binds" "print term bindings of proof context" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_binds));

 val print_lthmsP =

   OuterSyntax.improper_command "print_facts" "print facts of proof context" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_lthms));

 val print_casesP =

   OuterSyntax.improper_command "print_cases" "print cases of proof context" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.print_cases));

 val print_thmsP =

   OuterSyntax.improper_command "thm" "print theorems" K.diag

     (opt_modes -- P.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_thms));

 val print_prfsP =

   OuterSyntax.improper_command "prf" "print proof terms of theorems" K.diag

     (opt_modes -- Scan.option P.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_prfs false));

 val print_full_prfsP =

   OuterSyntax.improper_command "full_prf" "print full proof terms of theorems" K.diag

     (opt_modes -- Scan.option P.xthms1 >> (Toplevel.no_timing oo IsarCmd.print_prfs true));

 val print_propP =

   OuterSyntax.improper_command "prop" "read and print proposition" K.diag

     (opt_modes -- P.term >> (Toplevel.no_timing oo IsarCmd.print_prop));

 val print_termP =

   OuterSyntax.improper_command "term" "read and print term" K.diag

     (opt_modes -- P.term >> (Toplevel.no_timing oo IsarCmd.print_term));

 val print_typeP =

   OuterSyntax.improper_command "typ" "read and print type" K.diag

     (opt_modes -- P.typ >> (Toplevel.no_timing oo IsarCmd.print_type));

 (** system commands (for interactive mode only) **)

 val cdP =

   OuterSyntax.improper_command "cd" "change current working directory" K.diag

     (P.path >> (Toplevel.no_timing oo IsarCmd.cd));

 val pwdP =

   OuterSyntax.improper_command "pwd" "print current working directory" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.pwd));

 val use_thyP =

   OuterSyntax.improper_command "use_thy" "use theory file" K.diag

     (P.name >> (Toplevel.no_timing oo IsarCmd.use_thy));

 val use_thy_onlyP =

   OuterSyntax.improper_command "use_thy_only" "use theory file only, ignoring associated ML"

     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.use_thy_only));

 val update_thyP =

   OuterSyntax.improper_command "update_thy" "update theory file" K.diag

     (P.name >> (Toplevel.no_timing oo IsarCmd.update_thy));

 val update_thy_onlyP =

   OuterSyntax.improper_command "update_thy_only" "update theory file, ignoring associated ML"

     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.update_thy_only));

 val touch_thyP =

   OuterSyntax.improper_command "touch_thy" "outdate theory, including descendants" K.diag

     (P.name >> (Toplevel.no_timing oo IsarCmd.touch_thy));

 val touch_all_thysP =

   OuterSyntax.improper_command "touch_all_thys" "outdate all non-finished theories" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.touch_all_thys));

 val touch_child_thysP =

   OuterSyntax.improper_command "touch_child_thys" "outdate child theories" K.diag

     (P.name >> (Toplevel.no_timing oo IsarCmd.touch_child_thys));

 val remove_thyP =

   OuterSyntax.improper_command "remove_thy" "remove theory from loader database" K.diag

     (P.name >> (Toplevel.no_timing oo IsarCmd.remove_thy));

 val kill_thyP =

   OuterSyntax.improper_command "kill_thy" "kill theory -- try to remove from loader database"

     K.diag (P.name >> (Toplevel.no_timing oo IsarCmd.kill_thy));

 val display_draftsP =

   OuterSyntax.improper_command "display_drafts" "display raw source files with symbols"

     K.diag (Scan.repeat1 P.path >> (Toplevel.no_timing oo IsarCmd.display_drafts));

 val print_draftsP =

   OuterSyntax.improper_command "print_drafts" "print raw source files with symbols"

     K.diag (Scan.repeat1 P.path >> (Toplevel.no_timing oo IsarCmd.print_drafts));

 val opt_limits =

   Scan.option P.nat -- Scan.option (P.$$$ "," |-- P.!!! P.nat);

 val prP =

   OuterSyntax.improper_command "pr" "print current proof state (if present)" K.diag

     (opt_modes -- opt_limits >> (Toplevel.no_timing oo IsarCmd.pr));

 val disable_prP =

   OuterSyntax.improper_command "disable_pr" "disable printing of toplevel state" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.disable_pr));

 val enable_prP =

   OuterSyntax.improper_command "enable_pr" "enable printing of toplevel state" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.enable_pr));

 val commitP =

   OuterSyntax.improper_command "commit" "commit current session to ML database" K.diag

     (P.opt_unit >> (Toplevel.no_timing oo K IsarCmd.use_commit));

 val quitP =

   OuterSyntax.improper_command "quit" "quit Isabelle" K.control

     (P.opt_unit >> (Toplevel.no_timing oo K IsarCmd.quit));

 val exitP =

   OuterSyntax.improper_command "exit" "exit Isar loop" K.control

     (Scan.succeed (Toplevel.no_timing o IsarCmd.exit));

 val init_toplevelP =

   OuterSyntax.improper_command "init_toplevel" "restart Isar toplevel loop" K.control

     (Scan.succeed (Toplevel.no_timing o IsarCmd.init_toplevel));

 val welcomeP =

   OuterSyntax.improper_command "welcome" "print welcome message" K.diag

     (Scan.succeed (Toplevel.no_timing o IsarCmd.welcome));

 (** the Pure outer syntax **)

 (*keep keywords consistent with the parsers, including those in

   outer_parse.ML, otherwise be prepared for unexpected errors*)

 val _ = OuterSyntax.add_keywords

  ["!", "!!", "%", "%%", "(", ")", "+", ",", "--", ":", "::", ";", "<",

   "<=", "=", "==", "=>", "?", "[", "]", "advanced", "and", "assumes",

   "begin", "binder", "concl", "constrains", "defines", "files",

   "fixes", "imports", "in", "includes", "infix", "infixl", "infixr",

   "is", "notes", "open", "output", "overloaded", "shows", "structure",

   "uses", "where", "|", "\\<equiv>", "\\<leftharpoondown>",

   "\\<rightharpoonup>", "\\<rightleftharpoons>", "\\<subseteq>"];

 val _ = OuterSyntax.add_parsers [

   (*theory structure*)

   theoryP, end_excursionP, contextP,

   (*markup commands*)

   headerP, chapterP, sectionP, subsectionP, subsubsectionP, textP,

   text_rawP, sectP, subsectP, subsubsectP, txtP, txt_rawP,

   (*theory sections*)

   classesP, classrelP, defaultsortP, typedeclP, typeabbrP, nontermP,

   aritiesP, judgmentP, constsP, finalconstsP, syntaxP, no_syntaxP,

   translationsP, axiomsP, defsP, constdefsP, theoremsP, lemmasP,

   declareP, globalP, localP, hideP, useP, mlP, ml_commandP, ml_setupP,

   setupP, method_setupP, parse_ast_translationP, parse_translationP,

   print_translationP, typed_print_translationP,

   print_ast_translationP, token_translationP, oracleP, localeP,

   (*proof commands*)

   theoremP, lemmaP, corollaryP, showP, haveP, thusP, henceP, fixP,

   assumeP, presumeP, defP, obtainP, letP, caseP, thenP, fromP, withP,

   noteP, usingP, beginP, endP, nextP, qedP, terminal_proofP,

   default_proofP, immediate_proofP, done_proofP, skip_proofP,

   forget_proofP, deferP, preferP, applyP, apply_endP, proofP, alsoP,

   finallyP, moreoverP, ultimatelyP, backP, cannot_undoP, clear_undosP,

   redoP, undos_proofP, undoP, killP, interpretationP, interpretP,

   (*diagnostic commands*)

   pretty_setmarginP,

   print_commandsP, print_contextP, print_theoryP, print_syntaxP,

   print_theoremsP, print_localesP, print_localeP,

   print_registrationsP, print_attributesP, print_simpsetP,

   print_rulesP, print_induct_rulesP, print_trans_rulesP,

   print_methodsP, print_antiquotationsP, thm_depsP, find_theoremsP,

   print_bindsP, print_lthmsP, print_casesP, print_thmsP, print_prfsP,

   print_full_prfsP, print_propP, print_termP, print_typeP,

   (*system commands*)

   cdP, pwdP, use_thyP, use_thy_onlyP, update_thyP, update_thy_onlyP,

   touch_thyP, touch_all_thysP, touch_child_thysP, remove_thyP,

   kill_thyP, display_draftsP, print_draftsP, prP, disable_prP,

   enable_prP, commitP, quitP, exitP, init_toplevelP, welcomeP];

 val _ = IsarOutput.add_hidden_commands [

   "use", "ML", "ML_command", "ML_setup", "setup", "method_setup",

   "parse_ast_translation", "parse_translation", "print_translation",

   "typed_print_translation", "print_ast_translation",

   "token_translation"];

 end;