src/Pure/Isar/proof_context.ML
author ballarin
Fri, 14 Nov 2003 14:35:55 +0100
changeset 14257 a7ef3f7588c5
parent 14174 f3cafd2929d5
child 14287 f630017ed01c
permissions -rw-r--r--
Type inference bug in Isar attributes "where" and "of" fixed.
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(*  Title:      Pure/Isar/proof_context.ML
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    ID:         $Id$
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    Author:     Markus Wenzel, TU Muenchen
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    License:    GPL (GNU GENERAL PUBLIC LICENSE)
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Proof context information.
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*)
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signature PROOF_CONTEXT =
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sig
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  type context
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  type exporter
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  exception CONTEXT of string * context
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  val theory_of: context -> theory
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  val sign_of: context -> Sign.sg
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  val syntax_of: context -> Syntax.syntax * string list * string list
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  val fixed_names_of: context -> string list
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  val assumptions_of: context -> (cterm list * exporter) list
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  val prems_of: context -> thm list
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  val print_proof_data: theory -> unit
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  val init: theory -> context
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  val add_syntax: (string * typ option * mixfix option) list -> context -> context
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  val is_fixed: context -> string -> bool
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  val default_type: context -> string -> typ option
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  val used_types: context -> string list
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  val read_typ: context -> string -> typ
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  val read_typ_no_norm: context -> string -> typ
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  val cert_typ: context -> typ -> typ
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  val cert_typ_no_norm: context -> typ -> typ
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  val get_skolem: context -> string -> string
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  val extern_skolem: context -> term -> term
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  val read_termTs: string list -> context -> (string * typ) list -> term list * (indexname * typ) list
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  val read_termTs_env: (indexname -> typ option) * (indexname -> sort option) * string list -> context -> (string * typ) list -> term list * (indexname * typ) list
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  val read_term: context -> string -> term
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  val read_prop: context -> string -> term
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  val read_prop_schematic: context -> string -> term
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  val read_terms: context -> string list -> term list
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  val read_termT_pats: context -> (string * typ) list -> term list
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  val read_term_pats: typ -> context -> string list -> term list
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  val read_prop_pats: context -> string list -> term list
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  val cert_term: context -> term -> term
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  val cert_prop: context -> term -> term
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  val cert_term_pats: typ -> context -> term list -> term list
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  val cert_prop_pats: context -> term list -> term list
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  val declare_term: term -> context -> context
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  val declare_terms: term list -> context -> context
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  val warn_extra_tfrees: context -> context -> context
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  val generalize: context -> context -> term list -> term list
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  val find_free: term -> string -> term option
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  val export: bool -> context -> context -> thm -> thm Seq.seq
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  val export_standard: cterm list -> context -> context -> thm -> thm
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  val drop_schematic: indexname * term option -> indexname * term option
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  val add_binds: (indexname * string option) list -> context -> context
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  val add_binds_i: (indexname * term option) list -> context -> context
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  val auto_bind_goal: term list -> context -> context
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  val auto_bind_facts: term list -> context -> context
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  val match_bind: bool -> (string list * string) list -> context -> context
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  val match_bind_i: bool -> (term list * term) list -> context -> context
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  val read_propp: context * (string * (string list * string list)) list list
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    -> context * (term * (term list * term list)) list list
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  val cert_propp: context * (term * (term list * term list)) list list
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    -> context * (term * (term list * term list)) list list
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  val read_propp_schematic: context * (string * (string list * string list)) list list
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    -> context * (term * (term list * term list)) list list
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  val cert_propp_schematic: context * (term * (term list * term list)) list list
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    -> context * (term * (term list * term list)) list list
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  val bind_propp: context * (string * (string list * string list)) list list
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    -> context * (term list list * (context -> context))
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  val bind_propp_i: context * (term * (term list * term list)) list list
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    -> context * (term list list * (context -> context))
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  val bind_propp_schematic: context * (string * (string list * string list)) list list
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    -> context * (term list list * (context -> context))
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  val bind_propp_schematic_i: context * (term * (term list * term list)) list list
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    -> context * (term list list * (context -> context))
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  val get_thm: context -> string -> thm
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  val get_thm_closure: context -> string -> thm
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  val get_thms: context -> string -> thm list
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  val get_thms_closure: context -> string -> thm list
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  val cond_extern: context -> string -> xstring
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  val qualified: bool -> context -> context
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  val restore_qualified: context -> context -> context
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  val hide_thms: bool -> string list -> context -> context
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  val put_thm: string * thm -> context -> context
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  val put_thms: string * thm list -> context -> context
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  val put_thmss: (string * thm list) list -> context -> context
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  val reset_thms: string -> context -> context
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  val have_thmss:
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    ((bstring * context attribute list) * (xstring * context attribute list) list) list ->
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      context -> context * (bstring * thm list) list
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  val have_thmss_i:
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    ((bstring * context attribute list) * (thm list * context attribute list) list) list ->
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      context -> context * (bstring * thm list) list
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  val export_assume: exporter
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  val export_presume: exporter
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  val cert_def: context -> term -> string * term
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  val export_def: exporter
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  val assume: exporter
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    -> ((string * context attribute list) * (string * (string list * string list)) list) list
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    -> context -> context * (bstring * thm list) list
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  val assume_i: exporter
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    -> ((string * context attribute list) * (term * (term list * term list)) list) list
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    -> context -> context * (bstring * thm list) list
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  val read_vars: context * (string list * string option) -> context * (string list * typ option)
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  val cert_vars: context * (string list * typ option) -> context * (string list * typ option)
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  val fix: (string list * string option) list -> context -> context
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  val fix_i: (string list * typ option) list -> context -> context
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  val fix_direct: (string list * typ option) list -> context -> context
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  val add_fixes: (string * typ option * mixfix option) list -> context -> context
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  val fix_frees: term list -> context -> context
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  val bind_skolem: context -> string list -> term -> term
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  val get_case: context -> string -> string option list -> RuleCases.T
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  val add_cases: (string * RuleCases.T) list -> context -> context
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  val apply_case: RuleCases.T -> context
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    -> context * ((indexname * term option) list * (string * term list) list)
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  val pretty_term: context -> term -> Pretty.T
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  val pretty_typ: context -> typ -> Pretty.T
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  val pretty_sort: context -> sort -> Pretty.T
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  val pretty_thm: context -> thm -> Pretty.T
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  val pretty_thms: context -> thm list -> Pretty.T
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  val pretty_fact: context -> string * thm list -> Pretty.T
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  val string_of_term: context -> term -> string
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  val verbose: bool ref
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  val setmp_verbose: ('a -> 'b) -> 'a -> 'b
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  val print_syntax: context -> unit
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  val print_binds: context -> unit
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  val print_lthms: context -> unit
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  val print_cases: context -> unit
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  val prems_limit: int ref
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  val pretty_asms: context -> Pretty.T list
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  val pretty_context: context -> Pretty.T list
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  val thms_containing_limit: int ref
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  val print_thms_containing: context -> int option -> string list -> unit
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  val setup: (theory -> theory) list
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end;
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signature PRIVATE_PROOF_CONTEXT =
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sig
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  include PROOF_CONTEXT
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  val init_data: Object.kind -> (theory -> Object.T) * (context -> Object.T -> unit)
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    -> theory -> theory
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  val print_data: Object.kind -> context -> unit
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  val get_data: Object.kind -> (Object.T -> 'a) -> context -> 'a
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  val put_data: Object.kind -> ('a -> Object.T) -> 'a -> context -> context
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end;
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structure ProofContext: PRIVATE_PROOF_CONTEXT =
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struct
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(** datatype context **)
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type exporter = bool -> cterm list -> thm -> thm Seq.seq;
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datatype context =
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  Context of
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   {thy: theory,                                              (*current theory*)
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    syntax: Syntax.syntax * string list * string list,        (*syntax with structs and mixfixed*)
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    data: Object.T Symtab.table,                              (*user data*)
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    asms:
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      ((cterm list * exporter) list *                         (*assumes: A ==> _*)
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        (string * thm list) list) *
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      (string * string) list,                                 (*fixes: !!x. _*)
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    binds: (term * typ) option Vartab.table,                  (*term bindings*)
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    thms: bool * NameSpace.T * thm list option Symtab.table
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      * FactIndex.T,                                          (*local thms*)
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    cases: (string * RuleCases.T) list,                       (*local contexts*)
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    defs:
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      typ Vartab.table *                                      (*type constraints*)
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      sort Vartab.table *                                     (*default sorts*)
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      string list *                                           (*used type variables*)
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      term list Symtab.table};                                (*type variable occurrences*)
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exception CONTEXT of string * context;
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fun make_context (thy, syntax, data, asms, binds, thms, cases, defs) =
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  Context {thy = thy, syntax = syntax, data = data, asms = asms, binds = binds,
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    thms = thms, cases = cases, defs = defs};
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fun map_context f (Context {thy, syntax, data, asms, binds, thms, cases, defs}) =
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  make_context (f (thy, syntax, data, asms, binds, thms, cases, defs));
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fun theory_of (Context {thy, ...}) = thy;
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val sign_of = Theory.sign_of o theory_of;
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fun syntax_of (Context {syntax, ...}) = syntax;
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fun fixes_of (Context {asms = (_, fixes), ...}) = fixes;
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val fixed_names_of = map #2 o fixes_of;
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fun is_fixed ctxt x = exists (equal x o #2) (fixes_of ctxt);
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fun is_known (ctxt as Context {defs = (types, _, _, _), ...}) x =
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  is_some (Vartab.lookup (types, (x, ~1))) orelse is_fixed ctxt x;
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fun type_occs (Context {defs = (_, _, _, tab), ...}) = tab;
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fun assumptions_of (Context {asms = ((asms, _), _), ...}) = asms;
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fun prems_of (Context {asms = ((_, prems), _), ...}) = flat (map #2 prems);
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(** user data **)
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(* errors *)
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fun of_theory thy = "\nof theory " ^ Sign.str_of_sg (Theory.sign_of thy);
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fun err_inconsistent kinds =
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  error ("Attempt to merge different versions of " ^ commas_quote kinds ^ " proof data");
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fun err_dup_init thy kind =
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  error ("Duplicate initialization of " ^ quote kind ^ " proof data" ^ of_theory thy);
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fun err_undef ctxt kind =
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  raise CONTEXT ("Tried to access undefined " ^ quote kind ^ " proof data", ctxt);
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fun err_uninit ctxt kind =
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  raise CONTEXT ("Tried to access uninitialized " ^ quote kind ^ " proof data" ^
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    of_theory (theory_of ctxt), ctxt);
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fun err_access ctxt kind =
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  raise CONTEXT ("Unauthorized access to " ^ quote kind ^ " proof data" ^
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    of_theory (theory_of ctxt), ctxt);
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(* data kind 'Isar/proof_data' *)
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structure ProofDataDataArgs =
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struct
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  val name = "Isar/proof_data";
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  type T = (Object.kind * ((theory -> Object.T) * (context -> Object.T -> unit))) Symtab.table;
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  val empty = Symtab.empty;
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  val copy = I;
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  val prep_ext = I;
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  fun merge tabs = Symtab.merge (Object.eq_kind o pairself fst) tabs
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    handle Symtab.DUPS kinds => err_inconsistent kinds;
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  fun print _ tab = Pretty.writeln (Pretty.strs (map #1 (Symtab.dest tab)));
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end;
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structure ProofDataData = TheoryDataFun(ProofDataDataArgs);
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val print_proof_data = ProofDataData.print;
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(* init proof data *)
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fun init_data kind meths thy =
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  let
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    val name = Object.name_of_kind kind;
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    val tab = Symtab.update_new ((name, (kind, meths)), ProofDataData.get thy)
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      handle Symtab.DUP _ => err_dup_init thy name;
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  in thy |> ProofDataData.put tab end;
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(* access data *)
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fun lookup_data (ctxt as Context {data, ...}) kind =
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  let
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    val thy = theory_of ctxt;
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    val name = Object.name_of_kind kind;
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  in
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    (case Symtab.lookup (ProofDataData.get thy, name) of
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      Some (k, meths) =>
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        if Object.eq_kind (kind, k) then
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          (case Symtab.lookup (data, name) of
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            Some x => (x, meths)
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          | None => err_undef ctxt name)
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        else err_access ctxt name
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    | None => err_uninit ctxt name)
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  end;
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fun get_data kind f ctxt =
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  let val (x, _) = lookup_data ctxt kind
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  in f x handle Match => Object.kind_error kind end;
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fun print_data kind ctxt =
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  let val (x, (_, prt)) = lookup_data ctxt kind
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  in prt ctxt x end;
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fun put_data kind f x ctxt =
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 (lookup_data ctxt kind;
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  map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs) =>
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    (thy, syntax, Symtab.update ((Object.name_of_kind kind, f x), data),
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      asms, binds, thms, cases, defs)) ctxt);
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(* init context *)
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fun init thy =
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  let val data = Symtab.map (fn (_, (f, _)) => f thy) (ProofDataData.get thy) in
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    make_context (thy, (Theory.syn_of thy, [], []), data, (([], []), []), Vartab.empty,
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      (false, NameSpace.empty, Symtab.empty, FactIndex.empty), [],
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      (Vartab.empty, Vartab.empty, [], Symtab.empty))
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  end;
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(** local syntax **)
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val fixedN = "\\<^fixed>";
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val structN = "\\<^struct>";
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fun the_struct structs i =
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  if 1 <= i andalso i <= length structs then Library.nth_elem (i - 1, structs)
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  else raise ERROR_MESSAGE ("Illegal reference to implicit structure #" ^ string_of_int i);
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(* print (ast) translations *)
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fun index_tr' 1 = Syntax.const "_noindex"
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  | index_tr' i = Syntax.const "_index" $ Syntax.const (Library.string_of_int i);
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fun context_tr' ctxt =
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  let
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    val (_, structs, mixfixed) = syntax_of ctxt;
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    fun tr' (t $ u) = tr' t $ tr' u
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      | tr' (Abs (x, T, t)) = Abs (x, T, tr' t)
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      | tr' (t as Free (x, T)) =
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          let val i = Library.find_index (equal x) structs + 1 in
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   318
            if 1 <= i andalso i <= 9 then Syntax.const "_struct" $ index_tr' i
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   319
            else if x mem_string mixfixed then Const (fixedN ^ x, T)
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   320
            else t
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   321
          end
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   322
      | tr' a = a;
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   323
  in tr' end;
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   324
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   325
fun index_ast_tr' structs s =
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   326
  (case Syntax.read_nat s of
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   327
    Some i => Syntax.Variable (the_struct structs i handle ERROR_MESSAGE _ => raise Match)
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   328
  | None => raise Match);
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   329
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   330
fun struct_ast_tr' structs [Syntax.Constant "_noindex"] =
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   331
      index_ast_tr' structs "1"
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   332
  | struct_ast_tr' structs [Syntax.Appl [Syntax.Constant "_index", Syntax.Constant s]] =
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   333
      index_ast_tr' structs s
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   334
  | struct_ast_tr' _ _ = raise Match;
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   335
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   336
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   337
(* parse translations *)
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   338
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   339
fun fixed_tr x = (fixedN ^ x, curry Term.list_comb (Syntax.free x));
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   340
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   341
fun index_tr (Const ("_noindex", _)) = 1
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   342
  | index_tr (t as (Const ("_index", _) $ Const (s, _))) =
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   343
      (case Syntax.read_nat s of Some n => n | None => raise TERM ("index_tr", [t]))
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   344
  | index_tr t = raise TERM ("index_tr", [t]);
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   345
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   346
fun struct_tr structs (idx :: ts) = Syntax.free (the_struct structs (index_tr idx))
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   347
  | struct_tr _ ts = raise TERM ("struct_tr", ts);
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   348
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   349
12576
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   350
(* add syntax *)
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   351
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   352
fun mixfix_type mx = replicate (Syntax.mixfix_args mx) TypeInfer.logicT ---> TypeInfer.logicT;
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   353
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   354
local
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   355
12576
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
   356
fun mixfix x None mx = (fixedN ^ x, mixfix_type mx, mx)
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   357
  | mixfix x (Some T) mx = (fixedN ^ x, T, mx);
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   358
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   359
fun prep_mixfix (_, _, None) = None
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   360
  | prep_mixfix (x, opt_T, Some mx) = Some (mixfix x opt_T mx);
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   361
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   362
fun prep_mixfix' (_, _, None) = None
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   363
  | prep_mixfix' (x, _, Some Syntax.NoSyn) = None
12863
cc4dd256564f prep_mixfix': proper use of Syntax.literal;
wenzelm
parents: 12835
diff changeset
   364
  | prep_mixfix' (x, opt_T, _) = Some (x, mixfix x opt_T (Syntax.literal x));
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   365
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   366
fun prep_struct (x, _, None) = Some x
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   367
  | prep_struct _ = None;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   368
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   369
in
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   370
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   371
fun add_syntax decls =
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   372
  map_context (fn (thy, (syn, structs, mixfixed), data, asms, binds, thms, cases, defs) =>
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   373
    let
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   374
      val structs' = structs @ mapfilter prep_struct decls;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   375
      val mxs = mapfilter prep_mixfix decls;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   376
      val (fixed, mxs_output) = Library.split_list (mapfilter prep_mixfix' decls);
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   377
      val trs = map fixed_tr fixed;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   378
      val syn' = syn
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   379
        |> Syntax.extend_const_gram ("", false) mxs_output
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   380
        |> Syntax.extend_const_gram ("", true) mxs
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   381
        |> Syntax.extend_trfuns ([], trs, [], []);
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   382
    in (thy, (syn', structs', fixed @ mixfixed), data, asms, binds, thms, cases, defs) end)
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   383
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   384
fun syn_of (Context {syntax = (syn, structs, _), ...}) =
12100
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   385
  syn |> Syntax.extend_trfuns
bb10ac677955 proper syntax for structs;
wenzelm
parents: 12093
diff changeset
   386
    ([], [("_struct", struct_tr structs)], [], [("_struct", struct_ast_tr' structs)]);
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   387
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   388
end;
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   389
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   390
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   391
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   392
(** default sorts and types **)
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   393
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   394
fun def_sort (Context {defs = (_, sorts, _, _), ...}) xi = Vartab.lookup (sorts, xi);
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   395
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   396
fun def_type (Context {binds, defs = (types, _, _, _), ...}) is_pat xi =
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   397
  (case Vartab.lookup (types, xi) of
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   398
    None =>
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   399
      if is_pat then None else
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   400
        (case Vartab.lookup (binds, xi) of
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   401
          Some (Some (_, T)) => Some (TypeInfer.polymorphicT T)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   402
        | _ => None)
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   403
  | some => some);
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   404
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   405
fun default_type (Context {defs = (types, _, _, _), ...}) x = Vartab.lookup (types, (x, ~1));
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   406
fun used_types (Context {defs = (_, _, used, _), ...}) = used;
12414
61e1681b0b5d added default_type;
wenzelm
parents: 12309
diff changeset
   407
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   408
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   409
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   410
(** prepare types **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   411
9504
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   412
local
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   413
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   414
fun read_typ_aux read ctxt s =
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   415
  transform_error (read (syn_of ctxt) (sign_of ctxt, def_sort ctxt)) s
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   416
    handle ERROR_MESSAGE msg => raise CONTEXT (msg, ctxt);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   417
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   418
fun cert_typ_aux cert ctxt raw_T =
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   419
  cert (sign_of ctxt) raw_T
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   420
    handle TYPE (msg, _, _) => raise CONTEXT (msg, ctxt);
9504
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   421
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   422
in
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   423
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   424
val read_typ = read_typ_aux Sign.read_typ';
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   425
val read_typ_no_norm = read_typ_aux Sign.read_typ_no_norm';
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
   426
val cert_typ = cert_typ_aux Sign.certify_typ;
9504
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   427
val cert_typ_no_norm = cert_typ_aux Sign.certify_typ_no_norm;
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   428
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   429
end;
8168600e88a5 typ_no_norm;
wenzelm
parents: 9470
diff changeset
   430
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   431
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   432
(* internalize Skolem constants *)
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   433
10583
f2d9f4fd370b export get_skolem;
wenzelm
parents: 10554
diff changeset
   434
fun lookup_skolem ctxt x = assoc (fixes_of ctxt, x);
f2d9f4fd370b export get_skolem;
wenzelm
parents: 10554
diff changeset
   435
fun get_skolem ctxt x = if_none (lookup_skolem ctxt x) x;
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   436
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   437
fun no_skolem internal ctxt x =
9291
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
   438
  if can Syntax.dest_skolem x then
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   439
    raise CONTEXT ("Illegal reference to internal Skolem constant: " ^ quote x, ctxt)
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   440
  else if not internal andalso can Syntax.dest_internal x then
9291
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
   441
    raise CONTEXT ("Illegal reference to internal variable: " ^ quote x, ctxt)
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   442
  else x;
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   443
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   444
fun intern_skolem ctxt env =
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   445
(* env contains names that are not to be internalised *)
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   446
  let
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   447
    fun intern (t as Free (x, T)) =
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   448
          (case env (x, ~1) of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   449
              Some _ => t
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   450
            | None => (case lookup_skolem ctxt (no_skolem false ctxt x) of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   451
		  Some x' => Free (x', T)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   452
		| None => t))
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   453
      | intern (t $ u) = intern t $ intern u
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   454
      | intern (Abs (x, T, t)) = Abs (x, T, intern t)
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   455
      | intern a = a;
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   456
  in intern end;
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   457
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
   458
9133
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   459
(* externalize Skolem constants -- for printing purposes only *)
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   460
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   461
fun extern_skolem ctxt =
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   462
  let
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   463
    val rev_fixes = map Library.swap (fixes_of ctxt);
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   464
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   465
    fun extern (t as Free (x, T)) =
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   466
          (case assoc (rev_fixes, x) of
10583
f2d9f4fd370b export get_skolem;
wenzelm
parents: 10554
diff changeset
   467
            Some x' => Free (if lookup_skolem ctxt x' = Some x then x' else NameSpace.hidden x', T)
9133
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   468
          | None => t)
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   469
      | extern (t $ u) = extern t $ extern u
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   470
      | extern (Abs (x, T, t)) = Abs (x, T, extern t)
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   471
      | extern a = a;
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   472
  in extern end
bc3742f62b80 added extern_skolem;
wenzelm
parents: 9007
diff changeset
   473
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   474
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   475
(** prepare terms and propositions **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   476
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   477
(*
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   478
  (1) read / certify wrt. signature of context
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   479
  (2) intern Skolem constants
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   480
  (3) expand term bindings
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   481
*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   482
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   483
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   484
(* read / certify wrt. signature *)     (*exception ERROR*) (*exception TERM*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   485
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   486
fun read_def_termTs freeze syn sg (types, sorts, used) sTs =
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   487
  Sign.read_def_terms' syn (sg, types, sorts) used freeze sTs;
5874
a58d4528121d renamed init_context to init;
wenzelm
parents: 5819
diff changeset
   488
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   489
fun read_def_termT freeze syn sg defs sT = apfst hd (read_def_termTs freeze syn sg defs [sT]);
5874
a58d4528121d renamed init_context to init;
wenzelm
parents: 5819
diff changeset
   490
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   491
fun read_term_sg freeze syn sg defs s =
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   492
  #1 (read_def_termT freeze syn sg defs (s, TypeInfer.logicT));
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   493
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   494
fun read_prop_sg freeze syn sg defs s = #1 (read_def_termT freeze syn sg defs (s, propT));
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   495
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   496
fun read_terms_sg freeze syn sg defs =
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   497
  #1 o read_def_termTs freeze syn sg defs o map (rpair TypeInfer.logicT);
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   498
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   499
fun read_props_sg freeze syn sg defs = #1 o read_def_termTs freeze syn sg defs o map (rpair propT);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   500
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   501
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   502
fun cert_term_sg sg t = Thm.term_of (Thm.cterm_of sg t);
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   503
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   504
fun cert_prop_sg sg tm =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   505
  let
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   506
    val ctm = Thm.cterm_of sg tm;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   507
    val {t, T, ...} = Thm.rep_cterm ctm;
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   508
  in if T = propT then t else raise TERM ("Term not of type prop", [t]) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   509
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   510
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   511
(* norm_term *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   512
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   513
(*beta normal form for terms (not eta normal form), chase variables in
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   514
  bindings environment (code taken from Pure/envir.ML)*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   515
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   516
fun unifyT ctxt (T, U) =
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   517
  let val maxidx = Int.max (Term.maxidx_of_typ T, Term.maxidx_of_typ U)
12530
c32d201d7c08 tuned Type.unify;
wenzelm
parents: 12504
diff changeset
   518
  in #1 (Type.unify (Sign.tsig_of (sign_of ctxt)) (Vartab.empty, maxidx) (T, U)) end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   519
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   520
fun norm_term (ctxt as Context {binds, ...}) schematic allow_vars =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   521
  let
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   522
    (*raised when norm has no effect on a term, to do sharing instead of copying*)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   523
    exception SAME;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   524
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   525
    fun norm (t as Var (xi, T)) =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   526
          (case Vartab.lookup (binds, xi) of
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   527
            Some (Some (u, U)) =>
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   528
              let
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   529
                val env = unifyT ctxt (T, U) handle Type.TUNIFY =>
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   530
                  raise TYPE ("norm_term: ill-typed variable assignment", [T, U], [t, u]);
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   531
                val u' = Term.subst_TVars_Vartab env u;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   532
              in norm u' handle SAME => u' end
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   533
          | _ =>
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   534
            if schematic then raise SAME
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   535
            else if allow_vars then t
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   536
            else raise CONTEXT ("Unbound schematic variable: " ^ Syntax.string_of_vname xi, ctxt))
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   537
      | norm (Abs (a, T, body)) =  Abs (a, T, norm body)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   538
      | norm (Abs (_, _, body) $ t) = normh (subst_bound (t, body))
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   539
      | norm (f $ t) =
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   540
          ((case norm f of
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   541
            Abs (_, _, body) => normh (subst_bound (t, body))
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   542
          | nf => nf $ (norm t handle SAME => t)) handle SAME => f $ norm t)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   543
      | norm _ =  raise SAME
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   544
    and normh t = norm t handle SAME => t
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   545
  in normh end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   546
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   547
6550
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   548
(* dummy patterns *)
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   549
9540
02c51ca9c531 dummy_patterns moved to term.ML;
wenzelm
parents: 9515
diff changeset
   550
fun prepare_dummies t = #2 (Term.replace_dummy_patterns (1, t));
6762
a9a515a43ae0 read_term/prop_pat: do not freeze;
wenzelm
parents: 6721
diff changeset
   551
9540
02c51ca9c531 dummy_patterns moved to term.ML;
wenzelm
parents: 9515
diff changeset
   552
fun reject_dummies ctxt t = Term.no_dummy_patterns t
02c51ca9c531 dummy_patterns moved to term.ML;
wenzelm
parents: 9515
diff changeset
   553
  handle TERM _ => raise CONTEXT ("Illegal dummy pattern(s) in term", ctxt);
6550
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   554
68f950b1a664 dummy patterns;
wenzelm
parents: 6528
diff changeset
   555
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   556
(* read terms *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   557
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   558
local
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   559
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   560
fun gen_read read app env_opt allow_vars is_pat dummies schematic
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   561
    (ctxt as Context {defs = (_, _, used, _), ...}) s =
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   562
  let
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   563
    (* Use environment of ctxt with the following modification:
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   564
       bindings in env_opt take precedence (needed for rule_tac) *)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   565
    val types = def_type ctxt is_pat;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   566
    val types' = case env_opt of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   567
                     None => types
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   568
                   | Some (env, _, _) =>
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   569
                       (fn ixn => case env ixn of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   570
                                      None => types ixn
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   571
                                    | some => some);
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   572
    val sorts = def_sort ctxt;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   573
    val sorts' = case env_opt of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   574
                     None => sorts
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   575
                   | Some (_, envT, _) =>
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   576
                       (fn ixn => case envT ixn of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   577
                                      None => sorts ixn
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   578
                                    | some => some);
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   579
    val used' = case env_opt of
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   580
                    None => used
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   581
                  | Some (_, _, used'') => used @ used'';
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   582
  in
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   583
    (transform_error (read (syn_of ctxt)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   584
	(sign_of ctxt) (types', sorts', used')) s
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   585
      handle TERM (msg, _) => raise CONTEXT (msg, ctxt)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   586
      | ERROR_MESSAGE msg => raise CONTEXT (msg, ctxt))
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   587
    |> app (intern_skolem ctxt (case env_opt of None => K None | Some (env, _, _) => env))
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   588
    |> app (if is_pat then I else norm_term ctxt schematic allow_vars)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   589
    |> app (if is_pat then prepare_dummies
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   590
	 else if dummies then I else reject_dummies ctxt)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   591
  end
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   592
in
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   593
14257
a7ef3f7588c5 Type inference bug in Isar attributes "where" and "of" fixed.
ballarin
parents: 14174
diff changeset
   594
(* For where attribute:
a7ef3f7588c5 Type inference bug in Isar attributes "where" and "of" fixed.
ballarin
parents: 14174
diff changeset
   595
   Type vars generated by read will be distinct from those in "used". *)
a7ef3f7588c5 Type inference bug in Isar attributes "where" and "of" fixed.
ballarin
parents: 14174
diff changeset
   596
fun read_termTs used =
a7ef3f7588c5 Type inference bug in Isar attributes "where" and "of" fixed.
ballarin
parents: 14174
diff changeset
   597
  gen_read (read_def_termTs false) (apfst o map) (Some (K None, K None, used)) false false false false;
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   598
(* For rule_tac:
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   599
   takes extra environment (types, sorts and used type vars) *)
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   600
fun read_termTs_env env =
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   601
  gen_read (read_def_termTs false) (apfst o map) (Some env) true false false false;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   602
val read_termT_pats =
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   603
  #1 oo gen_read (read_def_termTs false) (apfst o map) None false true false false;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   604
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   605
fun read_term_pats T ctxt pats = read_termT_pats ctxt (map (rpair T) pats);
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   606
val read_prop_pats = read_term_pats propT;
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   607
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   608
val read_term = gen_read (read_term_sg true) I None false false false false;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   609
val read_term_dummies = gen_read (read_term_sg true) I None false false true false;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   610
val read_prop = gen_read (read_prop_sg true) I None false false false false;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   611
val read_prop_schematic =
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   612
  gen_read (read_prop_sg true) I None false false false true;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   613
val read_terms = gen_read (read_terms_sg true) map None false false false false;
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   614
val read_props = gen_read (read_props_sg true) map None false false false;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   615
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   616
end;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   617
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   618
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   619
(* certify terms *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   620
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   621
local
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   622
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   623
fun gen_cert cert is_pat schematic ctxt t = t
14174
f3cafd2929d5 Methods rule_tac etc support static (Isar) contexts.
ballarin
parents: 13629
diff changeset
   624
  |> (if is_pat then I else norm_term ctxt schematic false)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   625
  |> (fn t' => cert (sign_of ctxt) t' handle TERM (msg, _) => raise CONTEXT (msg, ctxt));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   626
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   627
in
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   628
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   629
val cert_term = gen_cert cert_term_sg false false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   630
val cert_prop = gen_cert cert_prop_sg false false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   631
val cert_props = map oo gen_cert cert_prop_sg false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   632
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   633
fun cert_term_pats _ = map o gen_cert cert_term_sg true false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   634
val cert_prop_pats = map o gen_cert cert_prop_sg true false;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   635
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   636
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   637
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   638
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   639
(* declare terms *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   640
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   641
local
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   642
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   643
val ins_types = foldl_aterms
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   644
  (fn (types, Free (x, T)) => Vartab.update (((x, ~1), T), types)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   645
    | (types, Var v) => Vartab.update (v, types)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   646
    | (types, _) => types);
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   647
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   648
val ins_sorts = foldl_types (foldl_atyps
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   649
  (fn (sorts, TFree (x, S)) => Vartab.update (((x, ~1), S), sorts)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   650
    | (sorts, TVar v) => Vartab.update (v, sorts)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   651
    | (sorts, _) => sorts));
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   652
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   653
val ins_used = foldl_term_types (fn t => foldl_atyps
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   654
  (fn (used, TFree (x, _)) => x ins_string used
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   655
    | (used, _) => used));
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   656
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   657
val ins_occs = foldl_term_types (fn t => foldl_atyps
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   658
  (fn (tab, TFree (x, _)) => Symtab.update_multi ((x, t), tab) | (tab, _) => tab));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   659
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   660
fun ins_skolem def_ty = foldr
5994
7b84677315ed fixed declatation of patterns and skolem;
wenzelm
parents: 5935
diff changeset
   661
  (fn ((x, x'), types) =>
7663
460fedf14b09 export def_sort, def_type;
wenzelm
parents: 7606
diff changeset
   662
    (case def_ty x' of
5994
7b84677315ed fixed declatation of patterns and skolem;
wenzelm
parents: 5935
diff changeset
   663
      Some T => Vartab.update (((x, ~1), T), types)
7b84677315ed fixed declatation of patterns and skolem;
wenzelm
parents: 5935
diff changeset
   664
    | None => types));
7b84677315ed fixed declatation of patterns and skolem;
wenzelm
parents: 5935
diff changeset
   665
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   666
fun map_defaults f = map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs) =>
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   667
  (thy, syntax, data, asms, binds, thms, cases, f defs));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   668
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   669
fun declare_syn (ctxt, t) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   670
  ctxt
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   671
  |> map_defaults (fn (types, sorts, used, occ) => (ins_types (types, t), sorts, used, occ))
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   672
  |> map_defaults (fn (types, sorts, used, occ) => (types, ins_sorts (sorts, t), used, occ))
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   673
  |> map_defaults (fn (types, sorts, used, occ) => (types, sorts, ins_used (used, t), occ));
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   674
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   675
fun declare_occ (ctxt as Context {asms = (_, fixes), ...}, t) =
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   676
  declare_syn (ctxt, t)
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   677
  |> map_defaults (fn (types, sorts, used, occ) => (types, sorts, used, ins_occs (occ, t)))
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   678
  |> map_defaults (fn (types, sorts, used, occ) =>
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   679
      (ins_skolem (fn x => Vartab.lookup (types, (x, ~1))) (fixes, types), sorts, used, occ));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   680
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   681
in
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   682
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   683
fun declare_term t ctxt = declare_occ (ctxt, t);
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   684
fun declare_terms ts ctxt = foldl declare_occ (ctxt, ts);
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   685
fun declare_terms_syntax ts ctxt = foldl declare_syn (ctxt, ts);
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   686
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
   687
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   688
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   689
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   690
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   691
(** pretty printing **)
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   692
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset
   693
fun pretty_term ctxt = Sign.pretty_term' (syn_of ctxt) (sign_of ctxt) o context_tr' ctxt;
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   694
val pretty_typ = Sign.pretty_typ o sign_of;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   695
val pretty_sort = Sign.pretty_sort o sign_of;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   696
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   697
val string_of_term = Pretty.string_of oo pretty_term;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   698
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   699
fun pretty_thm ctxt thm =
12770
bdd17e7b5bd9 removed second copy of show_hyps;
wenzelm
parents: 12711
diff changeset
   700
  if ! Display.show_hyps then
bdd17e7b5bd9 removed second copy of show_hyps;
wenzelm
parents: 12711
diff changeset
   701
    Display.pretty_thm_aux (pretty_sort ctxt, pretty_term ctxt) false thm
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
   702
  else pretty_term ctxt (Thm.prop_of thm);
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   703
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   704
fun pretty_thms ctxt [th] = pretty_thm ctxt th
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   705
  | pretty_thms ctxt ths = Pretty.blk (0, Pretty.fbreaks (map (pretty_thm ctxt) ths));
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   706
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   707
fun pretty_fact ctxt ("", ths) = pretty_thms ctxt ths
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   708
  | pretty_fact ctxt (a, [th]) =
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   709
      Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, pretty_thm ctxt th]
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   710
  | pretty_fact ctxt (a, ths) =
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   711
      Pretty.block (Pretty.fbreaks (Pretty.str (a ^ ":") :: map (pretty_thm ctxt) ths));
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   712
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   713
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   714
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   715
(** Hindley-Milner polymorphism **)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   716
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   717
(* warn_extra_tfrees *)
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   718
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   719
fun warn_extra_tfrees
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   720
    (ctxt1 as Context {defs = (_, _, _, occ1), ...})
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   721
    (ctxt2 as Context {defs = (_, _, _, occ2), ...}) =
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   722
  let
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   723
    fun known_tfree a (Type (_, Ts)) = exists (known_tfree a) Ts
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   724
      | known_tfree a (TFree (a', _)) = a = a'
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   725
      | known_tfree _ _ = false;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   726
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   727
    val extras =
12291
43f37745b600 type variables: clarified "used" vs. "occ";
wenzelm
parents: 12213
diff changeset
   728
      Library.gen_rems Library.eq_fst (Symtab.dest occ2, Symtab.dest occ1)
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   729
      |> map (fn (a, ts) => map (pair a) (mapfilter (try (#1 o Term.dest_Free)) ts)) |> flat
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   730
      |> mapfilter (fn (a, x) =>
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   731
          (case def_type ctxt1 false (x, ~1) of None => Some (a, x)
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   732
          | Some T => if known_tfree a T then None else Some (a, x)));
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   733
    val tfrees = map #1 extras |> Library.sort_strings |> Library.unique_strings;
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   734
    val frees = map #2 extras |> Library.sort_strings |> Library.unique_strings;
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   735
  in
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   736
    if null extras then ()
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   737
    else warning ("Just introduced free type variable(s): " ^ commas tfrees ^ " in " ^
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   738
      space_implode " or " frees);
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   739
    ctxt2
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
   740
  end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   741
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   742
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   743
(* generalize type variables *)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   744
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   745
fun generalize_tfrees inner outer =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   746
  let
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   747
    val extra_fixes = fixed_names_of inner \\ fixed_names_of outer;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   748
    fun still_fixed (Free (x, _)) = not (x mem_string extra_fixes)
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   749
      | still_fixed _ = false;
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   750
    val occs_inner = type_occs inner;
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   751
    val occs_outer = type_occs outer;
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   752
    fun add (gen, a) =
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   753
      if is_some (Symtab.lookup (occs_outer, a)) orelse
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   754
        exists still_fixed (Symtab.lookup_multi (occs_inner, a))
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   755
      then gen else a :: gen;
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   756
  in fn tfrees => foldl add ([], tfrees) end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   757
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   758
fun generalize inner outer ts =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   759
  let
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   760
    val tfrees = generalize_tfrees inner outer (foldr Term.add_term_tfree_names (ts, []));
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   761
    fun gen (x, S) = if x mem_string tfrees then TVar ((x, 0), S) else TFree (x, S);
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   762
  in map (Term.map_term_types (Term.map_type_tfree gen)) ts end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   763
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   764
9553
c2e3773475b6 norm_hhf results;
wenzelm
parents: 9540
diff changeset
   765
c2e3773475b6 norm_hhf results;
wenzelm
parents: 9540
diff changeset
   766
(** export theorems **)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   767
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   768
fun get_free x (None, t as Free (y, _)) = if x = y then Some t else None
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   769
  | get_free _ (opt, _) = opt;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   770
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   771
fun find_free t x = foldl_aterms (get_free x) (None, t);
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   772
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   773
fun export_view view is_goal inner outer =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   774
  let
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   775
    val gen = generalize_tfrees inner outer;
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   776
    val fixes = fixed_names_of inner \\ fixed_names_of outer;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
   777
    val asms = Library.drop (length (assumptions_of outer), assumptions_of inner);
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   778
    val exp_asms = map (fn (cprops, exp) => exp is_goal cprops) asms;
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   779
  in fn thm => thm
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
   780
    |> Tactic.norm_hhf_rule
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   781
    |> Seq.EVERY (rev exp_asms)
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   782
    |> Seq.map (Drule.implies_intr_list view)
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   783
    |> Seq.map (fn rule =>
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   784
      let
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   785
        val {sign, prop, ...} = Thm.rep_thm rule;
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   786
        val frees = map (Thm.cterm_of sign) (mapfilter (find_free prop) fixes);
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   787
        val tfrees = gen (Term.add_term_tfree_names (prop, []));
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   788
      in
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   789
        rule
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   790
        |> Drule.forall_intr_list frees
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
   791
        |> Tactic.norm_hhf_rule
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
   792
        |> (#1 o Drule.tvars_intr_list tfrees)
11816
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   793
      end)
545aab7410ac simplified exporter interface;
wenzelm
parents: 11793
diff changeset
   794
  end;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   795
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   796
val export = export_view [];
13399
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
   797
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
   798
fun export_standard view inner outer =
13415
63462ccc6fac tuned view;
wenzelm
parents: 13399
diff changeset
   799
  let val exp = export_view view false inner outer in
13378
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   800
    fn th =>
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   801
      (case Seq.pull (exp th) of
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   802
        Some (th', _) => th' |> Drule.local_standard
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   803
      | None => raise CONTEXT ("Internal failure while exporting theorem", inner))
b261d9cdd6b2 export_standard supercedes export_single;
wenzelm
parents: 13284
diff changeset
   804
  end;
12704
7bffaadc581e export_single;
wenzelm
parents: 12576
diff changeset
   805
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   806
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   807
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   808
(** bindings **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   809
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   810
(* update_binds *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   811
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   812
fun del_bind (ctxt, xi) =
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   813
  ctxt
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   814
  |> map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs) =>
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   815
      (thy, syntax, data, asms, Vartab.update ((xi, None), binds), thms, cases, defs));
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   816
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   817
fun upd_bind (ctxt, ((x, i), t)) =
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   818
  let
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   819
    val T = Term.fastype_of t;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   820
    val t' =
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   821
      if null (Term.term_tvars t \\ Term.typ_tvars T) then t
8637
wenzelm
parents: 8616
diff changeset
   822
      else Var ((x ^ "_has_extra_type_vars_on_rhs", i), T);
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   823
  in
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   824
    ctxt
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   825
    |> declare_term t'
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   826
    |> map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs) =>
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
   827
      (thy, syntax, data, asms, Vartab.update (((x, i), Some (t', T)), binds), thms, cases, defs))
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   828
  end;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   829
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   830
fun del_upd_bind (ctxt, (xi, None)) = del_bind (ctxt, xi)
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   831
  | del_upd_bind (ctxt, (xi, Some t)) = upd_bind (ctxt, (xi, t));
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   832
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   833
fun update_binds bs ctxt = foldl upd_bind (ctxt, bs);
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   834
fun delete_update_binds bs ctxt = foldl del_upd_bind (ctxt, bs);
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   835
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   836
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   837
(* simult_matches *)
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   838
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   839
fun simult_matches ctxt [] = []
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   840
  | simult_matches ctxt pairs =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   841
      let
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   842
        fun fail () = raise CONTEXT ("Pattern match failed!", ctxt);
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   843
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   844
        val maxidx = foldl (fn (i, (t1, t2)) =>
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   845
          Int.max (i, Int.max (Term.maxidx_of_term t1, Term.maxidx_of_term t2))) (~1, pairs);
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   846
        val envs = Unify.smash_unifiers (sign_of ctxt, Envir.empty maxidx,
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   847
          map swap pairs);    (*prefer assignment of variables from patterns*)
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   848
        val env =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   849
          (case Seq.pull envs of
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   850
            None => fail ()
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   851
          | Some (env, _) => env);    (*ignore further results*)
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   852
        val domain =
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   853
          filter_out Term.is_replaced_dummy_pattern (map #1 (Drule.vars_of_terms (map #1 pairs)));
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   854
        val _ =    (*may not assign variables from text*)
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   855
          if null (map #1 (Envir.alist_of env) inter (map #1 (Drule.vars_of_terms (map #2 pairs))))
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   856
          then () else fail ();
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   857
        fun norm_bind (xi, t) = if xi mem domain then Some (xi, Envir.norm_term env t) else None;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   858
      in mapfilter norm_bind (Envir.alist_of env) end;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   859
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   860
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   861
(* add_binds(_i) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   862
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   863
local
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   864
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   865
fun gen_bind prep (ctxt, (xi as (x, _), raw_t)) =
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
   866
  ctxt |> delete_update_binds [(xi, apsome (prep ctxt) raw_t)];
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   867
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   868
fun gen_binds prep binds ctxt = foldl (gen_bind prep) (ctxt, binds);
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   869
10810
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
   870
in
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
   871
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   872
fun drop_schematic (b as (xi, Some t)) = if null (Term.term_vars t) then b else (xi, None)
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   873
  | drop_schematic b = b;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   874
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   875
val add_binds = gen_binds read_term;
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   876
val add_binds_i = gen_binds cert_term;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   877
12147
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
   878
fun auto_bind f ts ctxt = ctxt |> add_binds_i (map drop_schematic (f (sign_of ctxt) ts));
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
   879
val auto_bind_goal = auto_bind AutoBind.goal;
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
   880
val auto_bind_facts = auto_bind AutoBind.facts;
7925
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   881
8c50b68b890b warn_extra_tfrees (after declare_term);
wenzelm
parents: 7679
diff changeset
   882
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   883
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   884
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   885
(* match_bind(_i) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   886
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   887
local
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   888
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   889
fun prep_bind prep_pats (ctxt, (raw_pats, t)) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   890
  let
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   891
    val ctxt' = declare_term t ctxt;
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   892
    val pats = prep_pats (fastype_of t) ctxt' raw_pats;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   893
    val binds = simult_matches ctxt' (map (rpair t) pats);
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   894
  in (ctxt', binds) end;
7670
e302e4269087 added cert_skolem;
wenzelm
parents: 7663
diff changeset
   895
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   896
fun gen_binds prep_terms prep_pats gen raw_binds ctxt =
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   897
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   898
    val ts = prep_terms ctxt (map snd raw_binds);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   899
    val (ctxt', binds) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   900
      apsnd flat (foldl_map (prep_bind prep_pats) (ctxt, map fst raw_binds ~~ ts));
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   901
    val binds' =
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   902
      if gen then map #1 binds ~~ generalize ctxt' ctxt (map #2 binds)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   903
      else binds;
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   904
    val binds'' = map (apsnd Some) binds';
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   905
  in
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   906
    warn_extra_tfrees ctxt
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   907
     (if gen then ctxt (*sic!*) |> declare_terms (map #2 binds') |> add_binds_i binds''
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   908
      else ctxt' |> add_binds_i binds'')
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   909
  end;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   910
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   911
in
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   912
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   913
val match_bind = gen_binds read_terms read_term_pats;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   914
val match_bind_i = gen_binds (map o cert_term) cert_term_pats;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   915
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   916
end;
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   917
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   918
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   919
(* propositions with patterns *)
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   920
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   921
local
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   922
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   923
fun prep_propp schematic prep_props prep_pats (context, args) =
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   924
  let
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   925
    fun prep ((ctxt, prop :: props), (_, (raw_pats1, raw_pats2))) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   926
          let
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   927
            val ctxt' = declare_term prop ctxt;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   928
            val pats = prep_pats ctxt' (raw_pats1 @ raw_pats2);    (*simultaneous type inference!*)
13629
a46362d2b19b take/drop -> splitAt
nipkow
parents: 13542
diff changeset
   929
          in ((ctxt', props), (prop, splitAt(length raw_pats1, pats))) end
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   930
      | prep _ = sys_error "prep_propp";
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   931
    val ((context', _), propp) = foldl_map (foldl_map prep)
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   932
        ((context, prep_props schematic context (flat (map (map fst) args))), args);
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   933
  in (context', propp) end;
5935
6a82c8a1808f term_pat vs. prop_pat;
wenzelm
parents: 5919
diff changeset
   934
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   935
fun matches ctxt (prop, (pats1, pats2)) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   936
  simult_matches ctxt (map (rpair prop) pats1 @ map (rpair (Logic.strip_imp_concl prop)) pats2);
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   937
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   938
fun gen_bind_propp prepp (ctxt, raw_args) =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   939
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   940
    val (ctxt', args) = prepp (ctxt, raw_args);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   941
    val binds = flat (flat (map (map (matches ctxt')) args));
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   942
    val propss = map (map #1) args;
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   943
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   944
    (*generalize result: context evaluated now, binds added later*)
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
   945
    val gen = generalize ctxt' ctxt;
12550
32843ad8160a generalize type variables properly: start with occurrences in objects
wenzelm
parents: 12530
diff changeset
   946
    fun gen_binds c = c |> add_binds_i (map #1 binds ~~ map Some (gen (map #2 binds)));
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   947
  in (ctxt' |> add_binds_i (map (apsnd Some) binds), (propss, gen_binds)) end;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
   948
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   949
in
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   950
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
   951
val read_propp = prep_propp false read_props read_prop_pats;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
   952
val cert_propp = prep_propp false cert_props cert_prop_pats;
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   953
val read_propp_schematic = prep_propp true read_props read_prop_pats;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   954
val cert_propp_schematic = prep_propp true cert_props cert_prop_pats;
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   955
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
   956
val bind_propp = gen_bind_propp read_propp;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
   957
val bind_propp_i = gen_bind_propp cert_propp;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
   958
val bind_propp_schematic = gen_bind_propp read_propp_schematic;
10554
81edb1d201ab schematic props;
wenzelm
parents: 10465
diff changeset
   959
val bind_propp_schematic_i = gen_bind_propp cert_propp_schematic;
6789
0e5a965de17a auto_bind_goal, auto_bind_facts;
wenzelm
parents: 6762
diff changeset
   960
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   961
end;
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
   962
6789
0e5a965de17a auto_bind_goal, auto_bind_facts;
wenzelm
parents: 6762
diff changeset
   963
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   964
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   965
(** theorems **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   966
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
   967
(* get_thm(s) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   968
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   969
(*beware of proper order of evaluation!*)
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   970
fun retrieve_thms f g (ctxt as Context {thy, thms = (_, space, tab, _), ...}) =
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   971
  let
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   972
    val sg_ref = Sign.self_ref (Theory.sign_of thy);
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   973
    val get_from_thy = f thy;
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   974
  in
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   975
    fn xname =>
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   976
      (case Symtab.lookup (tab, NameSpace.intern space xname) of
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   977
        Some (Some ths) => map (Thm.transfer_sg (Sign.deref sg_ref)) ths
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   978
      | _ => get_from_thy xname) |> g xname
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   979
  end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   980
9566
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   981
val get_thm = retrieve_thms PureThy.get_thms PureThy.single_thm;
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   982
val get_thm_closure = retrieve_thms PureThy.get_thms_closure PureThy.single_thm;
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   983
val get_thms = retrieve_thms PureThy.get_thms (K I);
0874bf3a909d thms closure;
wenzelm
parents: 9553
diff changeset
   984
val get_thms_closure = retrieve_thms PureThy.get_thms_closure (K I);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   985
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
   986
13425
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
   987
(* name space operations *)
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   988
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   989
fun cond_extern (Context {thms = (_, space, _, _), ...}) = NameSpace.cond_extern space;
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   990
13399
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
   991
fun qualified q = map_context (fn (thy, syntax, data, asms, binds,
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   992
    (_, space, tab, index), cases, defs) =>
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
   993
  (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs));
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   994
13399
c136276dc847 support locale ``views'' (for cumulative predicates);
wenzelm
parents: 13378
diff changeset
   995
fun restore_qualified (Context {thms, ...}) = qualified (#1 thms);
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
   996
13425
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
   997
fun hide_thms fully names =
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
   998
  map_context (fn (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs) =>
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
   999
    (thy, syntax, data, asms, binds, (q, NameSpace.hide fully (space, names), tab, index),
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
  1000
      cases, defs));
119ae829ad9b support for split assumptions in cases (hyps vs. prems);
wenzelm
parents: 13415
diff changeset
  1001
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1002
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1003
(* put_thm(s) *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1004
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1005
fun put_thms ("", _) ctxt = ctxt
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1006
  | put_thms (name, ths) ctxt = ctxt |> map_context
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1007
      (fn (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs) =>
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1008
        if not q andalso NameSpace.is_qualified name then
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1009
          raise CONTEXT ("Attempt to declare qualified name " ^ quote name, ctxt)
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1010
        else (thy, syntax, data, asms, binds, (q, NameSpace.extend (space, [name]),
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1011
          Symtab.update ((name, Some ths), tab),
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1012
            FactIndex.add (is_known ctxt) (index, (name, ths))), cases, defs));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1013
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1014
fun put_thm (name, th) = put_thms (name, [th]);
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1015
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1016
fun put_thmss [] ctxt = ctxt
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1017
  | put_thmss (th :: ths) ctxt = ctxt |> put_thms th |> put_thmss ths;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1018
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1019
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1020
(* reset_thms *)
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1021
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1022
fun reset_thms name =
13278
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1023
  map_context (fn (thy, syntax, data, asms, binds, (q, space, tab, index), cases, defs) =>
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1024
    (thy, syntax, data, asms, binds, (q, space, Symtab.update ((name, None), tab), index),
b62514fcbcab print_thms_containing: index variables, refer to local facts as well;
wenzelm
parents: 12863
diff changeset
  1025
      cases, defs));
7606
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1026
7905a74eb068 added reset_thms;
wenzelm
parents: 7575
diff changeset
  1027
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1028
(* have_thmss *)
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1029
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1030
local
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1031
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1032
fun gen_have_thss get (ctxt, ((name, more_attrs), ths_attrs)) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1033
  let
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1034
    fun app ((ct, ths), (th, attrs)) =
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1035
      let val (ct', th') = Thm.applys_attributes ((ct, get ctxt th), attrs @ more_attrs)
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1036
      in (ct', th' :: ths) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1037
    val (ctxt', rev_thms) = foldl app ((ctxt, []), ths_attrs);
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 9133
diff changeset
  1038
    val thms = flat (rev rev_thms);
6091
e3cdbd929a24 eliminated tthm type and Attribute structure;
wenzelm
parents: 5994
diff changeset
  1039
  in (ctxt' |> put_thms (name, thms), (name, thms)) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1040
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1041
fun gen_have_thmss get args ctxt = foldl_map (gen_have_thss get) (ctxt, args);
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1042
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1043
in
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1044
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1045
val have_thmss = gen_have_thmss get_thms;
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1046
val have_thmss_i = gen_have_thmss (K I);
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1047
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1048
end;
9196
1f6f66fe777a facts: handle multiple lists of arguments;
wenzelm
parents: 9133
diff changeset
  1049
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1050
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1051
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1052
(** assumptions **)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1053
11918
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1054
(* basic exporters *)
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1055
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1056
fun export_assume true = Seq.single oo Drule.implies_intr_goals
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1057
  | export_assume false = Seq.single oo Drule.implies_intr_list;
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1058
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1059
fun export_presume _ = export_assume false;
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1060
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1061
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1062
(* defs *)
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1063
12066
wenzelm
parents: 12057
diff changeset
  1064
fun cert_def ctxt eq =
12016
425289df84d3 fix_frees;
wenzelm
parents: 12008
diff changeset
  1065
  let
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1066
    fun err msg = raise CONTEXT (msg ^
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1067
      "\nThe error(s) above occurred in local definition: " ^ string_of_term ctxt eq, ctxt);
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1068
    val (lhs, rhs) = Logic.dest_equals (Term.strip_all_body eq)
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1069
      handle TERM _ => err "Not a meta-equality (==)";
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1070
    val (f, xs) = Term.strip_comb lhs;
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1071
    val (c, _) = Term.dest_Free f handle TERM _ =>
13430
ab814c7685a9 tuned messages;
wenzelm
parents: 13426
diff changeset
  1072
      err "Head of lhs must be a free/fixed variable";
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1073
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1074
    fun is_free (Free (x, _)) = not (is_fixed ctxt x)
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1075
      | is_free _ = false;
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1076
    val extra_frees = filter is_free (term_frees rhs) \\ xs;
12016
425289df84d3 fix_frees;
wenzelm
parents: 12008
diff changeset
  1077
  in
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1078
    conditional (not (forall (is_Bound orf is_free) xs andalso null (duplicates xs))) (fn () =>
13430
ab814c7685a9 tuned messages;
wenzelm
parents: 13426
diff changeset
  1079
      err "Arguments of lhs must be distinct free/bound variables");
12086
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1080
    conditional (f mem Term.term_frees rhs) (fn () =>
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1081
      err "Element to be defined occurs on rhs");
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1082
    conditional (not (null extra_frees)) (fn () =>
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1083
      err ("Extra free variables on rhs: " ^ commas_quote (map (#1 o dest_Free) extra_frees)));
742b9c3740dc cert_def: proper check of args, improved msgs;
wenzelm
parents: 12072
diff changeset
  1084
    (c, Term.list_all_free (mapfilter (try Term.dest_Free) xs, eq))
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1085
  end;
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1086
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1087
fun head_of_def cprop =
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1088
  #1 (Term.strip_comb (#1 (Logic.dest_equals (Term.strip_all_body (Thm.term_of cprop)))))
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1089
  |> Thm.cterm_of (Thm.sign_of_cterm cprop);
11918
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1090
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1091
fun export_def _ cprops thm =
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1092
  thm
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1093
  |> Drule.implies_intr_list cprops
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1094
  |> Drule.forall_intr_list (map head_of_def cprops)
11918
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1095
  |> Drule.forall_elim_vars 0
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1096
  |> RANGE (replicate (length cprops) (Tactic.rtac Drule.reflexive_thm)) 1;
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1097
dfdf0798d7b8 added export_assume, export_presume, export_def (from proof.ML);
wenzelm
parents: 11915
diff changeset
  1098
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1099
(* assume *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1100
7270
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1101
local
6797
f86b96a0f6fb improved handling of assumptions;
wenzelm
parents: 6789
diff changeset
  1102
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1103
fun add_assm (ctxt, ((name, attrs), props)) =
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1104
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1105
    val cprops = map (Thm.cterm_of (sign_of ctxt)) props;
12804
163a85ba885b Tactic.norm_hhf renamed to Tactic.norm_hhf_rule;
wenzelm
parents: 12770
diff changeset
  1106
    val asms = map (Tactic.norm_hhf_rule o Thm.assume) cprops;
5919
a5b2d4b9ed6f have_tthms;
wenzelm
parents: 5874
diff changeset
  1107
a5b2d4b9ed6f have_tthms;
wenzelm
parents: 5874
diff changeset
  1108
    val ths = map (fn th => ([th], [])) asms;
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1109
    val (ctxt', [(_, thms)]) =
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1110
      ctxt
12147
64e69a8a945f adapted auto_bind_goal, auto_bind_facts;
wenzelm
parents: 12130
diff changeset
  1111
      |> auto_bind_facts props
12711
6a9412dd7d24 have_thmss vs. have_thmss_i;
wenzelm
parents: 12704
diff changeset
  1112
      |> have_thmss_i [((name, attrs), ths)];
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1113
  in (ctxt', (cprops, (name, asms), (name, thms))) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1114
9470
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1115
fun gen_assms prepp exp args ctxt =
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1116
  let
10465
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1117
    val (ctxt1, propss) = prepp (ctxt, map snd args);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1118
    val (ctxt2, results) = foldl_map add_assm (ctxt1, map fst args ~~ propss);
4aa6f8b5cdc4 added read_terms, read_props (simulataneous type-inference);
wenzelm
parents: 10381
diff changeset
  1119
9470
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1120
    val cprops = flat (map #1 results);
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1121
    val asmss = map #2 results;
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1122
    val thmss = map #3 results;
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1123
    val ctxt3 = ctxt2 |> map_context
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1124
      (fn (thy, syntax, data, ((asms_ct, asms_th), fixes), binds, thms, cases, defs) =>
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1125
        (thy, syntax, data, ((asms_ct @ [(cprops, exp)], asms_th @ asmss), fixes), binds, thms,
9470
705ca49129fc exporter setup for context elements;
wenzelm
parents: 9325
diff changeset
  1126
          cases, defs));
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1127
    val ctxt4 = ctxt3 |> put_thms ("prems", prems_of ctxt3);
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1128
  in (warn_extra_tfrees ctxt ctxt4, thmss) end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1129
7270
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1130
in
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1131
8616
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
  1132
val assume = gen_assms (apsnd #1 o bind_propp);
90d2fed59be1 support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents: 8462
diff changeset
  1133
val assume_i = gen_assms (apsnd #1 o bind_propp_i);
7270
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1134
2b64729d9acb warn_vars;
wenzelm
parents: 7200
diff changeset
  1135
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1136
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1137
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1138
(* variables *)
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1139
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1140
local
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1141
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1142
fun prep_vars prep_typ internal (ctxt, (xs, raw_T)) =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1143
  let
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1144
    fun cond_tvars T =
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1145
      if internal then T
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1146
      else Type.no_tvars T handle TYPE (msg, _, _) => raise CONTEXT (msg, ctxt);
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1147
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1148
    val _ = (case filter (not o Syntax.is_identifier) (map (no_skolem internal ctxt) xs) of
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1149
      [] => () | bads => raise CONTEXT ("Bad variable name(s): " ^ commas_quote bads, ctxt));
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1150
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1151
    val opt_T = apsome (cond_tvars o prep_typ ctxt) raw_T;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1152
    val T = if_none opt_T TypeInfer.logicT;
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1153
    val ctxt' = ctxt |> declare_terms_syntax (map (fn x => Free (x, T)) xs);
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1154
  in (ctxt', (xs, opt_T)) end;
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1155
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1156
in
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1157
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1158
val read_vars = prep_vars read_typ false;
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1159
val cert_vars = prep_vars cert_typ true;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1160
10381
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1161
end;
4dfbcad19bfb fixed two obscurities of "fix": predeclare_terms;
wenzelm
parents: 9733
diff changeset
  1162
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1163
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1164
(* fix *)
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1165
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1166
local
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1167
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1168
fun map_fixes f =
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1169
  map_context (fn (thy, syntax, data, (assumes, fixes), binds, thms, cases, defs) =>
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1170
    (thy, syntax, data, (assumes, f fixes), binds, thms, cases, defs));
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1171
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1172
fun err_dups ctxt xs = raise CONTEXT ("Duplicate variable(s): " ^ commas_quote xs, ctxt);
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1173
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1174
val declare =
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1175
  declare_terms_syntax o mapfilter (fn (_, None) => None | (x, Some T) => Some (Free (x, T)));
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1176
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1177
fun add_vars xs Ts ctxt =
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1178
  let val xs' = Term.variantlist (map Syntax.skolem xs, map #2 (fixes_of ctxt)) in
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1179
    ctxt
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1180
    |> declare (xs' ~~ Ts)
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1181
    |> map_fixes (fn fixes => (xs ~~ xs') @ fixes)
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1182
  end;
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1183
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1184
fun add_vars_direct xs Ts ctxt =
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1185
  ctxt
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1186
  |> declare (xs ~~ Ts)
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1187
  |> map_fixes (fn fixes =>
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1188
    (case xs inter_string map #1 fixes of
12309
03e9287be350 name space for local thms (export cond_extern, qualified);
wenzelm
parents: 12291
diff changeset
  1189
      [] => (xs ~~ xs) @ fixes
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1190
    | dups => err_dups ctxt dups));
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1191
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1192
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1193
fun gen_fix prep add raw_vars ctxt =
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1194
  let
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1195
    val (ctxt', varss) = foldl_map prep (ctxt, raw_vars);
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1196
    val vars = rev (flat (map (fn (xs, T) => map (rpair T) xs) varss));
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1197
    val xs = map #1 vars;
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1198
    val Ts = map #2 vars;
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1199
  in
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1200
    (case Library.duplicates xs of [] => () | dups => err_dups ctxt dups);
12130
30d9143aff7e syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents: 12123
diff changeset
  1201
    ctxt' |> add xs Ts
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1202
  end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1203
12576
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
  1204
fun prep_type (x, None, Some mx) = ([x], Some (mixfix_type mx))
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
  1205
  | prep_type (x, opt_T, _) = ([x], opt_T);
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
  1206
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1207
in
7679
99912beb8fa0 improved 'fix' / Skolem interfaces;
wenzelm
parents: 7670
diff changeset
  1208
11925
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1209
val fix = gen_fix read_vars add_vars;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1210
val fix_i = gen_fix cert_vars add_vars;
4747b4b84093 added read_prop_schematic;
wenzelm
parents: 11918
diff changeset
  1211
val fix_direct = gen_fix cert_vars add_vars_direct;
12576
9fd10052c3f7 added add_fixes: derives mssing type scheme from mixfix;
wenzelm
parents: 12550
diff changeset
  1212
fun add_fixes decls = add_syntax decls o fix_direct (map prep_type decls);
8096
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1213
4da940d100f5 TypeInfer.logicT;
wenzelm
parents: 7928
diff changeset
  1214
end;
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1215
12048
d38b5388e695 added get_thms_with_closure;
wenzelm
parents: 12016
diff changeset
  1216
fun fix_frees ts ctxt =
d38b5388e695 added get_thms_with_closure;
wenzelm
parents: 12016
diff changeset
  1217
  let
12504
5b46173df7ad export used_types;
wenzelm
parents: 12414
diff changeset
  1218
    val frees = foldl Term.add_frees ([], ts);
12057
9b1e67278f07 added pretty/print functions with context;
wenzelm
parents: 12048
diff changeset
  1219
    fun new (x, T) = if is_fixed ctxt x then None else Some ([x], Some T);
12213
264f17d14ad9 fix_frees: rev;
wenzelm
parents: 12147
diff changeset
  1220
  in fix_direct (rev (mapfilter new frees)) ctxt end;
12016
425289df84d3 fix_frees;
wenzelm
parents: 12008
diff changeset
  1221
6895
450b1f67f099 added transfer_used_names;
wenzelm
parents: 6875
diff changeset
  1222
9291
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1223
(*Note: improper use may result in variable capture / dynamic scoping!*)
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1224
fun bind_skolem ctxt xs =
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1225
  let
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1226
    val ctxt' = ctxt |> fix_i [(xs, None)];
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1227
    fun bind (t as Free (x, T)) =
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1228
          if x mem_string xs then
10583
f2d9f4fd370b export get_skolem;
wenzelm
parents: 10554
diff changeset
  1229
            (case lookup_skolem ctxt' x of Some x' => Free (x', T) | None => t)
9291
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1230
          else t
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1231
      | bind (t $ u) = bind t $ bind u
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1232
      | bind (Abs (x, T, t)) = Abs (x, T, bind t)
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1233
      | bind a = a;
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1234
  in bind end;
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1235
23705d14be8f "_i" arguments now expected to have skolems already internalized;
wenzelm
parents: 9274
diff changeset
  1236
5819
5fff21d4ca3a Proof context information.
wenzelm
parents:
diff changeset
  1237
8373
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1238
(** cases **)
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1239
11793
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1240
fun prep_case ctxt name xs {fixes, assumes, binds} =
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1241
  let
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1242
    fun replace (opt_x :: xs) ((y, T) :: ys) = (if_none opt_x y, T) :: replace xs ys
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1243
      | replace [] ys = ys
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1244
      | replace (_ :: _) [] = raise CONTEXT ("Too many parameters for case " ^ quote name, ctxt);
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1245
  in
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1246
    if null (foldr Term.add_typ_tvars (map snd fixes, [])) andalso
13426
e0e2351043d2 make SML/NJ happy;
wenzelm
parents: 13425
diff changeset
  1247
      null (foldr Term.add_term_vars (flat (map snd assumes), [])) then
11793
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1248
        {fixes = replace xs fixes, assumes = assumes, binds = map drop_schematic binds}
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1249
    else raise CONTEXT ("Illegal schematic variable(s) in case " ^ quote name, ctxt)
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1250
  end;
8403
a8a0411a8e8c check_case: disallow (T)Vars in invoked case;
wenzelm
parents: 8384
diff changeset
  1251
11793
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1252
fun get_case (ctxt as Context {cases, ...}) name xs =
8426
f6e022588624 cases: preserve order;
wenzelm
parents: 8403
diff changeset
  1253
  (case assoc (cases, name) of
8373
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1254
    None => raise CONTEXT ("Unknown case: " ^ quote name, ctxt)
11793
5f0ab6f5c280 support impromptu terminology of cases parameters;
wenzelm
parents: 11764
diff changeset
  1255
  | Some c => prep_case ctxt name xs c);
8373
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1256
8384
13bc74731ae6 add_cases: omit unnamed;
wenzelm
parents: 8373
diff changeset
  1257
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1258
fun add_cases xs = map_context (fn (thy, syntax, data, asms, binds, thms, cases, defs) =>
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1259
  (thy, syntax, data, asms, binds, thms, rev (filter_out (equal "" o #1) xs) @ cases, defs));
8373
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1260
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1261
e7237c8fe29e handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents: 8186
diff changeset
  1262
10810
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1263
(** print context information **)
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1264
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1265
val verbose = ref false;
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1266
fun verb f x = if ! verbose then f (x ()) else [];
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1267
fun verb_single x = verb Library.single x;
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1268
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1269
fun setmp_verbose f x = Library.setmp verbose true f x;
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1270
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1271
fun pretty_items prt name items =
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1272
  let
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1273
    fun prt_itms (name, [x]) = Pretty.block [Pretty.str (name ^ ":"), Pretty.brk 1, prt x]
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1274
      | prt_itms (name, xs) = Pretty.big_list (name ^ ":") (map prt xs);
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1275
  in
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1276
    if null items andalso not (! verbose) then []
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1277
    else [Pretty.big_list name (map prt_itms items)]
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1278
  end;
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1279
619586bd854b apply_case: more robust handling of bounds;
wenzelm
parents: 10583
diff changeset
  1280
12072
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1281
(* local syntax *)
4281198fb8cd local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents: 12066
diff changeset
  1282
12093
1b890f1e0b4d syntax for structures;
wenzelm
parents: 12086
diff changeset