author | haftmann |
Mon, 06 Feb 2006 11:01:28 +0100 | |
changeset 18928 | 042608ffa2ec |
parent 18900 | e7d4e51bd4b1 |
child 18953 | 93903be7ff66 |
permissions | -rw-r--r-- |
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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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The key concept of Isar proof contexts. |
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*) |
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val show_structs = ref false; |
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signature PROOF_CONTEXT = |
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sig |
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type context (*= Context.proof*) |
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type export |
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val theory_of: context -> theory |
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val init: theory -> context |
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val set_body: bool -> context -> context |
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val restore_body: context -> context -> context |
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val assms_of: context -> term list |
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val prems_of: context -> thm list |
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val fact_index_of: context -> FactIndex.T |
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val is_fixed: context -> string -> bool |
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val is_known: context -> string -> bool |
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val transfer: theory -> context -> context |
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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 pp: context -> Pretty.pp |
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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 pretty_proof: context -> Proofterm.proof -> Pretty.T |
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val pretty_proof_of: context -> bool -> thm -> Pretty.T |
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val string_of_typ: context -> typ -> string |
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val string_of_term: context -> term -> string |
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val string_of_thm: context -> thm -> string |
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val used_types: context -> string list |
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val default_type: context -> string -> typ option |
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val read_typ: context -> string -> typ |
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val read_typ_syntax: context -> string -> typ |
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val read_typ_abbrev: context -> string -> typ |
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val cert_typ: context -> typ -> typ |
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val cert_typ_syntax: context -> typ -> typ |
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val cert_typ_abbrev: context -> typ -> typ |
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val get_skolem: context -> string -> string |
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val revert_skolem: context -> string -> string |
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val extern_skolem: context -> term -> term |
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val read_termTs: context -> (string -> bool) -> (indexname -> typ option) |
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-> (indexname -> sort option) -> string list -> (string * typ) list |
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-> term list * (indexname * typ) list |
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val read_termTs_schematic: context -> (string -> bool) -> (indexname -> typ option) |
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-> (indexname -> sort option) -> string list -> (string * typ) list |
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-> term list * (indexname * typ) list |
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val read_term_legacy: context -> string -> term |
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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_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 infer_type: context -> string -> typ |
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val inferred_param: string -> context -> (string * typ) * context |
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val inferred_fixes: context -> (string * typ) list * context |
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val read_tyname: context -> string -> typ |
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val read_const: context -> string -> term |
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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 export_standard: context -> context -> thm -> thm |
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val exports: context -> context -> thm -> thm Seq.seq |
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val goal_exports: context -> context -> thm -> thm Seq.seq |
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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 -> term list * context |
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val match_bind_i: bool -> (term list * term) list -> context -> term list * 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 fact_tac: thm list -> int -> tactic |
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val some_fact_tac: context -> int -> tactic |
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val get_thm: context -> thmref -> thm |
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val get_thm_closure: context -> thmref -> thm |
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val get_thms: context -> thmref -> thm list |
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val get_thms_closure: context -> thmref -> thm list |
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val valid_thms: context -> string * thm list -> bool |
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val lthms_containing: context -> FactIndex.spec -> (string * thm list) list |
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val extern_thm: context -> string -> xstring |
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val qualified_names: context -> context |
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val no_base_names: context -> context |
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val custom_accesses: (string list -> string list list) -> context -> context |
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val restore_naming: context -> context -> context |
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val hide_thms: bool -> string list -> context -> context |
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val put_thms: string * thm list option -> context -> context |
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val note_thmss: |
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((bstring * attribute list) * (thmref * attribute list) list) list -> |
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context -> (bstring * thm list) list * context |
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val note_thmss_i: |
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((bstring * attribute list) * (thm list * attribute list) list) list -> |
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context -> (bstring * thm list) list * context |
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val read_vars: (string * string option * mixfix) list -> context -> |
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(string * typ option * mixfix) list * context |
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val cert_vars: (string * typ option * mixfix) list -> context -> |
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(string * typ option * mixfix) list * context |
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val read_vars_legacy: (string * string option * mixfix) list -> context -> |
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(string * typ option * mixfix) list * context |
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val cert_vars_legacy: (string * typ option * mixfix) list -> context -> |
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(string * typ option * mixfix) list * context |
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val add_fixes: (string * string option * mixfix) list -> context -> string list * context |
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val add_fixes_i: (string * typ option * mixfix) list -> context -> string list * context |
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val add_fixes_legacy: (string * typ option * mixfix) list -> context -> string list * context |
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val invent_fixes: string list -> context -> string list * context |
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val fix_frees: term -> context -> context |
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val auto_fixes: context * (term list list * 'a) -> context * (term list list * 'a) |
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val bind_fixes: string list -> context -> (term -> term) * context |
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val add_assms: export -> |
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((string * attribute list) * (string * (string list * string list)) list) list -> |
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context -> (bstring * thm list) list * context |
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val add_assms_i: export -> |
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((string * attribute list) * (term * (term list * term list)) list) list -> |
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context -> (bstring * thm list) list * context |
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val assume_export: export |
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val presume_export: export |
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val add_view: context -> cterm list -> context -> context |
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val export_view: cterm list -> context -> context -> thm -> thm |
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val add_cases: bool -> (string * RuleCases.T option) list -> context -> context |
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val apply_case: RuleCases.T -> context -> (string * term list) list * context |
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val get_case: context -> string -> string option list -> RuleCases.T |
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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_ctxt: context -> Pretty.T list |
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val pretty_context: context -> Pretty.T list |
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val debug: bool ref |
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val pprint_context: context -> pprint_args -> unit |
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end; |
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structure ProofContext: PROOF_CONTEXT = |
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struct |
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type context = Context.proof; |
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val theory_of = Context.theory_of_proof; |
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val init = Context.init_proof; |
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(** Isar proof context information **) |
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type export = bool -> cterm list -> thm -> thm Seq.seq; |
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datatype ctxt = |
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Ctxt of |
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{syntax: (*global/local syntax, structs, mixfixed*) |
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(Syntax.syntax * Syntax.syntax * (Syntax.syntax -> Syntax.syntax)) * |
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string list * string list, |
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fixes: bool * (string * string) list, (*fixes: !!x. _ with proof body flag*) |
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assms: |
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((cterm list * export) list * (*assumes and views: A ==> _*) |
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(string * thm list) list), (*prems: A |- A*) |
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binds: (term * typ) Vartab.table, (*term bindings*) |
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thms: NameSpace.naming * (*local thms*) |
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thm list NameSpace.table * FactIndex.T, |
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cases: (string * (RuleCases.T * bool)) list, (*local contexts*) |
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defaults: |
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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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fun make_ctxt (syntax, fixes, assms, binds, thms, cases, defaults) = |
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Ctxt {syntax = syntax, fixes = fixes, assms = assms, binds = binds, |
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thms = thms, cases = cases, defaults = defaults}; |
5819 | 196 |
|
16540 | 197 |
structure ContextData = ProofDataFun |
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198 |
( |
16540 | 199 |
val name = "Isar/context"; |
200 |
type T = ctxt; |
|
201 |
fun init thy = |
|
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make_ctxt (((Sign.syn_of thy, Sign.syn_of thy, I), [], []), (false, []), ([], []), |
17072 | 203 |
Vartab.empty, (NameSpace.default_naming, NameSpace.empty_table, FactIndex.empty), [], |
16540 | 204 |
(Vartab.empty, Vartab.empty, [], Symtab.empty)); |
205 |
fun print _ _ = (); |
|
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206 |
); |
5819 | 207 |
|
18708 | 208 |
val _ = Context.add_setup ContextData.init; |
5819 | 209 |
|
16540 | 210 |
fun rep_context ctxt = ContextData.get ctxt |> (fn Ctxt args => args); |
5819 | 211 |
|
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fun map_context f = |
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ContextData.map (fn Ctxt {syntax, fixes, assms, binds, thms, cases, defaults} => |
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214 |
make_ctxt (f (syntax, fixes, assms, binds, thms, cases, defaults))); |
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215 |
|
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216 |
fun map_syntax f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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217 |
(f syntax, fixes, assms, binds, thms, cases, defaults)); |
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218 |
|
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219 |
fun map_fixes f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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220 |
(syntax, f fixes, assms, binds, thms, cases, defaults)); |
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221 |
|
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222 |
fun map_assms f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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223 |
(syntax, fixes, f assms, binds, thms, cases, defaults)); |
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224 |
|
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225 |
fun map_binds f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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226 |
(syntax, fixes, assms, f binds, thms, cases, defaults)); |
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227 |
|
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228 |
fun map_thms f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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229 |
(syntax, fixes, assms, binds, f thms, cases, defaults)); |
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230 |
|
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231 |
fun map_naming f = map_thms (fn (naming, table, index) => (f naming, table, index)); |
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232 |
|
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233 |
fun map_cases f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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234 |
(syntax, fixes, assms, binds, thms, f cases, defaults)); |
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235 |
|
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236 |
fun map_defaults f = map_context (fn (syntax, fixes, assms, binds, thms, cases, defaults) => |
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237 |
(syntax, fixes, assms, binds, thms, cases, f defaults)); |
5819 | 238 |
|
16540 | 239 |
val syntax_of = #syntax o rep_context; |
5819 | 240 |
|
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241 |
val is_body = #1 o #fixes o rep_context; |
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242 |
fun set_body b = map_fixes (fn (_, fixes) => (b, fixes)); |
18743 | 243 |
fun restore_body ctxt = set_body (is_body ctxt); |
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244 |
|
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245 |
val fixes_of = #2 o #fixes o rep_context; |
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val fixed_names_of = map #2 o fixes_of; |
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247 |
|
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248 |
val assumptions_of = #1 o #assms o rep_context; |
17451 | 249 |
val assms_of = map Thm.term_of o List.concat o map #1 o assumptions_of; |
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val prems_of = List.concat o map #2 o #2 o #assms o rep_context; |
5819 | 251 |
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val binds_of = #binds o rep_context; |
5819 | 253 |
|
16540 | 254 |
val thms_of = #thms o rep_context; |
255 |
val fact_index_of = #3 o thms_of; |
|
256 |
||
257 |
val cases_of = #cases o rep_context; |
|
5819 | 258 |
|
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259 |
val defaults_of = #defaults o rep_context; |
16540 | 260 |
val type_occs_of = #4 o defaults_of; |
5819 | 261 |
|
16540 | 262 |
fun is_fixed ctxt x = exists (equal x o #2) (fixes_of ctxt); |
16894 | 263 |
fun is_known ctxt x = Vartab.defined (#1 (defaults_of ctxt)) (x, ~1) orelse is_fixed ctxt x; |
5819 | 264 |
|
265 |
||
8096 | 266 |
|
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267 |
(** syntax **) |
12093 | 268 |
|
14697 | 269 |
(* translation functions *) |
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270 |
|
12100 | 271 |
fun context_tr' ctxt = |
272 |
let |
|
273 |
val (_, structs, mixfixed) = syntax_of ctxt; |
|
274 |
||
275 |
fun tr' (t $ u) = tr' t $ tr' u |
|
276 |
| tr' (Abs (x, T, t)) = Abs (x, T, tr' t) |
|
277 |
| tr' (t as Free (x, T)) = |
|
14697 | 278 |
let val i = Library.find_index_eq x structs + 1 in |
18340 | 279 |
if i = 0 andalso member (op =) mixfixed x then Const (Syntax.fixedN ^ x, T) |
14707 | 280 |
else if i = 1 andalso not (! show_structs) then |
281 |
Syntax.const "_struct" $ Syntax.const "_indexdefault" |
|
12100 | 282 |
else t |
283 |
end |
|
284 |
| tr' a = a; |
|
285 |
in tr' end; |
|
286 |
||
287 |
||
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288 |
(* add syntax *) |
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289 |
|
12093 | 290 |
local |
291 |
||
18678 | 292 |
fun check_mixfix (x, _, mx) = |
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293 |
if mx <> NoSyn andalso mx <> Structure andalso |
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294 |
(can Syntax.dest_internal x orelse can Syntax.dest_skolem x) then |
18678 | 295 |
error ("Illegal mixfix syntax for internal/skolem constant " ^ quote x) |
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296 |
else (); |
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297 |
|
18340 | 298 |
fun mixfix x NONE mx = (Syntax.fixedN ^ x, TypeInfer.mixfixT mx, Syntax.fix_mixfix x mx) |
299 |
| mixfix x (SOME T) mx = (Syntax.fixedN ^ x, T, Syntax.fix_mixfix x mx); |
|
12093 | 300 |
|
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301 |
fun prep_mixfix (_, _, Structure) = NONE |
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302 |
| prep_mixfix (x, opt_T, mx) = SOME (mixfix x opt_T mx); |
12093 | 303 |
|
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304 |
fun prep_mixfix' (_, _, Structure) = NONE |
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305 |
| prep_mixfix' (x, _, NoSyn) = NONE |
15531 | 306 |
| prep_mixfix' (x, opt_T, _) = SOME (x, mixfix x opt_T (Syntax.literal x)); |
12093 | 307 |
|
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308 |
fun prep_struct (x, _, Structure) = SOME x |
15531 | 309 |
| prep_struct _ = NONE; |
12093 | 310 |
|
15750 | 311 |
fun mk trs = map Syntax.mk_trfun trs; |
312 |
||
17072 | 313 |
fun extend_syntax thy extend (global_syn, syn, mk_syn) = |
314 |
let |
|
315 |
val thy_syn = Sign.syn_of thy; |
|
316 |
val mk_syn' = extend o mk_syn; |
|
317 |
val (global_syn', syn') = |
|
318 |
if Syntax.eq_syntax (global_syn, thy_syn) |
|
319 |
then (global_syn, extend syn) |
|
320 |
else (thy_syn, mk_syn' thy_syn); (*potentially expensive*) |
|
321 |
in (global_syn', syn', mk_syn') end; |
|
322 |
||
12093 | 323 |
in |
324 |
||
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325 |
fun add_syntax decls ctxt = ctxt |> map_syntax (fn syntax => |
17072 | 326 |
let |
327 |
val (syns, structs, mixfixed) = syntax; |
|
328 |
val thy = theory_of ctxt; |
|
329 |
||
330 |
val is_logtype = Sign.is_logtype thy; |
|
331 |
val structs' = structs @ List.mapPartial prep_struct decls; |
|
18678 | 332 |
val mxs = List.mapPartial (tap check_mixfix #> prep_mixfix) decls; |
17072 | 333 |
val (fixed, mxs_output) = Library.split_list (List.mapPartial prep_mixfix' decls); |
12093 | 334 |
|
17072 | 335 |
val extend = |
336 |
Syntax.extend_const_gram is_logtype ("", false) mxs_output |
|
18340 | 337 |
#> Syntax.extend_const_gram is_logtype ("", true) mxs; |
17072 | 338 |
val syns' = extend_syntax thy extend syns; |
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|
339 |
in (syns', structs', fixed @ mixfixed) end); |
17072 | 340 |
|
341 |
fun syn_of' thy ctxt = |
|
16540 | 342 |
let |
17072 | 343 |
val (syns, structs, _) = syntax_of ctxt; |
16540 | 344 |
val (atrs, trs, trs', atrs') = Syntax.struct_trfuns structs; |
17072 | 345 |
val extend = Syntax.extend_trfuns (mk atrs, mk trs, mk trs', mk atrs'); |
346 |
in #2 (extend_syntax thy extend syns) end; |
|
347 |
||
348 |
fun syn_of ctxt = syn_of' (theory_of ctxt) ctxt; |
|
14697 | 349 |
|
12093 | 350 |
end; |
351 |
||
17072 | 352 |
fun transfer thy = add_syntax [] o Context.transfer_proof thy; |
353 |
||
12093 | 354 |
|
355 |
||
14828 | 356 |
(** pretty printing **) |
357 |
||
18857 | 358 |
fun pretty_term' thy ctxt t = |
359 |
Sign.pretty_term' (syn_of' thy ctxt) (Context.Proof ctxt) (context_tr' ctxt t); |
|
17072 | 360 |
fun pretty_term ctxt t = pretty_term' (theory_of ctxt) ctxt (context_tr' ctxt t); |
16458 | 361 |
fun pretty_typ ctxt T = Sign.pretty_typ (theory_of ctxt) T; |
362 |
fun pretty_sort ctxt S = Sign.pretty_sort (theory_of ctxt) S; |
|
363 |
fun pretty_classrel ctxt cs = Sign.pretty_classrel (theory_of ctxt) cs; |
|
364 |
fun pretty_arity ctxt ar = Sign.pretty_arity (theory_of ctxt) ar; |
|
14828 | 365 |
|
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366 |
fun pp ctxt = Pretty.pp (pretty_term ctxt, pretty_typ ctxt, pretty_sort ctxt, |
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|
367 |
pretty_classrel ctxt, pretty_arity ctxt); |
14828 | 368 |
|
17451 | 369 |
fun pretty_thm ctxt th = |
370 |
Display.pretty_thm_aux (pp ctxt) false true (assms_of ctxt) th; |
|
14828 | 371 |
|
372 |
fun pretty_thms ctxt [th] = pretty_thm ctxt th |
|
373 |
| pretty_thms ctxt ths = Pretty.blk (0, Pretty.fbreaks (map (pretty_thm ctxt) ths)); |
|
374 |
||
375 |
fun pretty_fact ctxt ("", ths) = pretty_thms ctxt ths |
|
376 |
| pretty_fact ctxt (a, [th]) = |
|
377 |
Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, pretty_thm ctxt th] |
|
378 |
| pretty_fact ctxt (a, ths) = |
|
379 |
Pretty.block (Pretty.fbreaks (Pretty.str (a ^ ":") :: map (pretty_thm ctxt) ths)); |
|
380 |
||
17072 | 381 |
fun pretty_proof ctxt prf = |
382 |
pretty_term' (ProofSyntax.proof_syntax prf (theory_of ctxt)) ctxt |
|
383 |
(ProofSyntax.term_of_proof prf); |
|
384 |
||
385 |
fun pretty_proof_of ctxt full th = |
|
386 |
pretty_proof ctxt (ProofSyntax.proof_of full th); |
|
387 |
||
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|
388 |
val string_of_typ = Pretty.string_of oo pretty_typ; |
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|
389 |
val string_of_term = Pretty.string_of oo pretty_term; |
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|
390 |
val string_of_thm = Pretty.string_of oo pretty_thm; |
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|
391 |
|
14828 | 392 |
|
393 |
||
7663 | 394 |
(** default sorts and types **) |
395 |
||
17412 | 396 |
val def_sort = Vartab.lookup o #2 o defaults_of; |
7663 | 397 |
|
16540 | 398 |
fun def_type ctxt pattern xi = |
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|
399 |
let val {binds, defaults = (types, _, _, _), ...} = rep_context ctxt in |
17412 | 400 |
(case Vartab.lookup types xi of |
16540 | 401 |
NONE => |
402 |
if pattern then NONE |
|
17412 | 403 |
else Vartab.lookup binds xi |> Option.map (TypeInfer.polymorphicT o #2) |
16540 | 404 |
| some => some) |
405 |
end; |
|
7663 | 406 |
|
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|
407 |
val used_types = #3 o defaults_of; |
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|
408 |
|
17412 | 409 |
fun default_type ctxt x = Vartab.lookup (#1 (defaults_of ctxt)) (x, ~1); |
12414 | 410 |
|
7663 | 411 |
|
5819 | 412 |
|
413 |
(** prepare types **) |
|
414 |
||
9504 | 415 |
local |
416 |
||
417 |
fun read_typ_aux read ctxt s = |
|
18857 | 418 |
read (syn_of ctxt) (Context.Proof ctxt) (def_sort ctxt) s; |
5819 | 419 |
|
10554 | 420 |
fun cert_typ_aux cert ctxt raw_T = |
18678 | 421 |
cert (theory_of ctxt) raw_T handle TYPE (msg, _, _) => error msg; |
9504 | 422 |
|
423 |
in |
|
424 |
||
16348 | 425 |
val read_typ = read_typ_aux Sign.read_typ'; |
426 |
val read_typ_syntax = read_typ_aux Sign.read_typ_syntax'; |
|
427 |
val read_typ_abbrev = read_typ_aux Sign.read_typ_abbrev'; |
|
428 |
val cert_typ = cert_typ_aux Sign.certify_typ; |
|
429 |
val cert_typ_syntax = cert_typ_aux Sign.certify_typ_syntax; |
|
430 |
val cert_typ_abbrev = cert_typ_aux Sign.certify_typ_abbrev; |
|
9504 | 431 |
|
432 |
end; |
|
433 |
||
5819 | 434 |
|
7679 | 435 |
(* internalize Skolem constants *) |
436 |
||
17184 | 437 |
val lookup_skolem = AList.lookup (op =) o fixes_of; |
18187 | 438 |
fun get_skolem ctxt x = the_default x (lookup_skolem ctxt x); |
7679 | 439 |
|
18678 | 440 |
fun no_skolem internal x = |
9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
441 |
if can Syntax.dest_skolem x then |
18678 | 442 |
error ("Illegal reference to internal Skolem constant: " ^ quote x) |
12504 | 443 |
else if not internal andalso can Syntax.dest_internal x then |
18678 | 444 |
error ("Illegal reference to internal variable: " ^ quote x) |
7679 | 445 |
else x; |
446 |
||
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
447 |
fun intern_skolem ctxt internal = |
7679 | 448 |
let |
449 |
fun intern (t as Free (x, T)) = |
|
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
450 |
if internal x then t |
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
451 |
else |
18678 | 452 |
(case lookup_skolem ctxt (no_skolem false x) of |
15531 | 453 |
SOME x' => Free (x', T) |
454 |
| NONE => t) |
|
7679 | 455 |
| intern (t $ u) = intern t $ intern u |
456 |
| intern (Abs (x, T, t)) = Abs (x, T, intern t) |
|
457 |
| intern a = a; |
|
458 |
in intern end; |
|
459 |
||
460 |
||
18187 | 461 |
(* externalize Skolem constants -- approximation only! *) |
462 |
||
18255 | 463 |
fun rev_skolem ctxt = |
18187 | 464 |
let val rev_fixes = map Library.swap (fixes_of ctxt) |
465 |
in AList.lookup (op =) rev_fixes end; |
|
9133 | 466 |
|
18255 | 467 |
fun revert_skolem ctxt x = |
468 |
(case rev_skolem ctxt x of |
|
469 |
SOME x' => x' |
|
18375 | 470 |
| NONE => perhaps (try Syntax.dest_skolem) x); |
18255 | 471 |
|
9133 | 472 |
fun extern_skolem ctxt = |
473 |
let |
|
18255 | 474 |
val revert = rev_skolem ctxt; |
9133 | 475 |
fun extern (t as Free (x, T)) = |
18187 | 476 |
(case revert x of |
477 |
SOME x' => Free (if lookup_skolem ctxt x' = SOME x then x' else NameSpace.hidden x', T) |
|
478 |
| NONE => t) |
|
9133 | 479 |
| extern (t $ u) = extern t $ extern u |
480 |
| extern (Abs (x, T, t)) = Abs (x, T, extern t) |
|
481 |
| extern a = a; |
|
482 |
in extern end |
|
483 |
||
8096 | 484 |
|
18187 | 485 |
|
5819 | 486 |
(** prepare terms and propositions **) |
487 |
||
488 |
(* |
|
16501 | 489 |
(1) read / certify wrt. theory of context |
5819 | 490 |
(2) intern Skolem constants |
491 |
(3) expand term bindings |
|
492 |
*) |
|
493 |
||
494 |
||
16501 | 495 |
(* read wrt. theory *) (*exception ERROR*) |
5819 | 496 |
|
18857 | 497 |
fun read_def_termTs freeze pp syn ctxt (types, sorts, used) sTs = |
498 |
Sign.read_def_terms' pp (Sign.is_logtype (theory_of ctxt)) syn |
|
499 |
(Context.Proof ctxt) (types, sorts) used freeze sTs; |
|
5874 | 500 |
|
18857 | 501 |
fun read_def_termT freeze pp syn ctxt defaults sT = |
502 |
apfst hd (read_def_termTs freeze pp syn ctxt defaults [sT]); |
|
14828 | 503 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
504 |
fun read_term_thy freeze pp syn thy defaults s = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
505 |
#1 (read_def_termT freeze pp syn thy defaults (s, TypeInfer.logicT)); |
5874 | 506 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
507 |
fun read_prop_thy freeze pp syn thy defaults s = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
508 |
#1 (read_def_termT freeze pp syn thy defaults (s, propT)); |
12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset
|
509 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
510 |
fun read_terms_thy freeze pp syn thy defaults = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
511 |
#1 o read_def_termTs freeze pp syn thy defaults o map (rpair TypeInfer.logicT); |
12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset
|
512 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
513 |
fun read_props_thy freeze pp syn thy defaults = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
514 |
#1 o read_def_termTs freeze pp syn thy defaults o map (rpair propT); |
5819 | 515 |
|
516 |
||
517 |
(* norm_term *) |
|
518 |
||
519 |
(*beta normal form for terms (not eta normal form), chase variables in |
|
520 |
bindings environment (code taken from Pure/envir.ML)*) |
|
521 |
||
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
522 |
fun unifyT ctxt (T, U) = |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
523 |
let val maxidx = Int.max (Term.maxidx_of_typ T, Term.maxidx_of_typ U) |
16948 | 524 |
in #1 (Sign.typ_unify (theory_of ctxt) (T, U) (Vartab.empty, maxidx)) end; |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
525 |
|
16540 | 526 |
fun norm_term ctxt schematic = |
5819 | 527 |
let |
528 |
(*raised when norm has no effect on a term, to do sharing instead of copying*) |
|
529 |
exception SAME; |
|
530 |
||
16540 | 531 |
val binds = binds_of ctxt; |
5819 | 532 |
fun norm (t as Var (xi, T)) = |
17412 | 533 |
(case Vartab.lookup binds xi of |
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
534 |
SOME (u, U) => |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
535 |
let |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
536 |
val env = unifyT ctxt (T, U) handle Type.TUNIFY => |
14174
f3cafd2929d5
Methods rule_tac etc support static (Isar) contexts.
ballarin
parents:
13629
diff
changeset
|
537 |
raise TYPE ("norm_term: ill-typed variable assignment", [T, U], [t, u]); |
15798
016f3be5a5ec
Adapted to new interface of instantiation and unification / matching functions.
berghofe
parents:
15758
diff
changeset
|
538 |
val u' = Envir.subst_TVars env u; |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
539 |
in norm u' handle SAME => u' end |
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
540 |
| NONE => |
10554 | 541 |
if schematic then raise SAME |
18678 | 542 |
else error ("Unbound schematic variable: " ^ Syntax.string_of_vname xi)) |
5819 | 543 |
| norm (Abs (a, T, body)) = Abs (a, T, norm body) |
544 |
| norm (Abs (_, _, body) $ t) = normh (subst_bound (t, body)) |
|
545 |
| norm (f $ t) = |
|
546 |
((case norm f of |
|
547 |
Abs (_, _, body) => normh (subst_bound (t, body)) |
|
548 |
| nf => nf $ (norm t handle SAME => t)) handle SAME => f $ norm t) |
|
549 |
| norm _ = raise SAME |
|
550 |
and normh t = norm t handle SAME => t |
|
551 |
in normh end; |
|
552 |
||
553 |
||
6550 | 554 |
(* dummy patterns *) |
555 |
||
18310 | 556 |
val prepare_dummies = |
557 |
let val next = ref 1 in |
|
558 |
fn t => |
|
559 |
let val (i, u) = Term.replace_dummy_patterns (! next, t) |
|
560 |
in next := i; u end |
|
561 |
end; |
|
6762 | 562 |
|
18678 | 563 |
fun reject_dummies t = Term.no_dummy_patterns t |
564 |
handle TERM _ => error "Illegal dummy pattern(s) in term"; |
|
6550 | 565 |
|
566 |
||
5819 | 567 |
(* read terms *) |
568 |
||
10554 | 569 |
local |
570 |
||
15531 | 571 |
fun append_env e1 e2 x = (case e2 x of NONE => e1 x | some => some); |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
572 |
|
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
573 |
fun gen_read' read app pattern schematic |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
574 |
ctxt internal more_types more_sorts more_used s = |
14174
f3cafd2929d5
Methods rule_tac etc support static (Isar) contexts.
ballarin
parents:
13629
diff
changeset
|
575 |
let |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
576 |
val types = append_env (def_type ctxt pattern) more_types; |
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
577 |
val sorts = append_env (def_sort ctxt) more_sorts; |
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
578 |
val used = used_types ctxt @ more_used; |
14174
f3cafd2929d5
Methods rule_tac etc support static (Isar) contexts.
ballarin
parents:
13629
diff
changeset
|
579 |
in |
18857 | 580 |
(read (pp ctxt) (syn_of ctxt) ctxt (types, sorts, used) s |
18678 | 581 |
handle TERM (msg, _) => error msg) |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
582 |
|> app (intern_skolem ctxt internal) |
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
583 |
|> app (if pattern then I else norm_term ctxt schematic) |
18678 | 584 |
|> app (if pattern then prepare_dummies else reject_dummies) |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
585 |
end; |
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
586 |
|
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
587 |
fun gen_read read app pattern schematic ctxt = |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
588 |
gen_read' read app pattern schematic ctxt (K false) (K NONE) (K NONE) []; |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
589 |
|
10554 | 590 |
in |
591 |
||
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
592 |
val read_termTs = gen_read' (read_def_termTs false) (apfst o map) false false; |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
593 |
val read_termTs_schematic = gen_read' (read_def_termTs false) (apfst o map) false true; |
8096 | 594 |
|
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
595 |
fun read_term_pats T ctxt = |
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
596 |
#1 o gen_read (read_def_termTs false) (apfst o map) true false ctxt o map (rpair T); |
8096 | 597 |
val read_prop_pats = read_term_pats propT; |
598 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
599 |
fun read_term_legacy ctxt = |
16458 | 600 |
gen_read' (read_term_thy true) I false false ctxt (K true) (K NONE) (K NONE) []; |
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
601 |
|
16458 | 602 |
val read_term = gen_read (read_term_thy true) I false false; |
603 |
val read_prop = gen_read (read_prop_thy true) I false false; |
|
604 |
val read_prop_schematic = gen_read (read_prop_thy true) I false true; |
|
605 |
val read_terms = gen_read (read_terms_thy true) map false false; |
|
606 |
fun read_props schematic = gen_read (read_props_thy true) map false schematic; |
|
5819 | 607 |
|
10554 | 608 |
end; |
609 |
||
5819 | 610 |
|
611 |
(* certify terms *) |
|
612 |
||
10554 | 613 |
local |
614 |
||
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
615 |
fun gen_cert cert pattern schematic ctxt t = t |
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset
|
616 |
|> (if pattern then I else norm_term ctxt schematic) |
16458 | 617 |
|> (fn t' => cert (pp ctxt) (theory_of ctxt) t' |
18678 | 618 |
handle TYPE (msg, _, _) => error msg |
619 |
| TERM (msg, _) => error msg); |
|
16501 | 620 |
|
621 |
val certify_term = #1 ooo Sign.certify_term; |
|
622 |
val certify_prop = #1 ooo Sign.certify_prop; |
|
5819 | 623 |
|
10554 | 624 |
in |
8096 | 625 |
|
16501 | 626 |
val cert_term = gen_cert certify_term false false; |
627 |
val cert_prop = gen_cert certify_prop false false; |
|
628 |
val cert_props = map oo gen_cert certify_prop false; |
|
10554 | 629 |
|
16501 | 630 |
fun cert_term_pats _ = map o gen_cert certify_term true false; |
631 |
val cert_prop_pats = map o gen_cert certify_prop true false; |
|
10554 | 632 |
|
633 |
end; |
|
5819 | 634 |
|
635 |
||
636 |
(* declare terms *) |
|
637 |
||
10381 | 638 |
local |
639 |
||
16861 | 640 |
val ins_types = fold_aterms |
17412 | 641 |
(fn Free (x, T) => Vartab.update ((x, ~1), T) |
642 |
| Var v => Vartab.update v |
|
16861 | 643 |
| _ => I); |
5819 | 644 |
|
16861 | 645 |
val ins_sorts = fold_types (fold_atyps |
17412 | 646 |
(fn TFree (x, S) => Vartab.update ((x, ~1), S) |
647 |
| TVar v => Vartab.update v |
|
16861 | 648 |
| _ => I)); |
5819 | 649 |
|
16861 | 650 |
val ins_used = fold_term_types (fn t => |
651 |
fold_atyps (fn TFree (x, _) => insert (op =) x | _ => I)); |
|
12291 | 652 |
|
16861 | 653 |
val ins_occs = fold_term_types (fn t => |
17412 | 654 |
fold_atyps (fn TFree (x, _) => Symtab.update_multi (x, t) | _ => I)); |
5819 | 655 |
|
16861 | 656 |
fun ins_skolem def_ty = fold_rev (fn (x, x') => |
657 |
(case def_ty x' of |
|
17412 | 658 |
SOME T => Vartab.update ((x, ~1), T) |
16861 | 659 |
| NONE => I)); |
5994 | 660 |
|
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
661 |
in |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
662 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
663 |
fun declare_syntax t = |
18340 | 664 |
map_defaults (fn (types, sorts, used, occ) => (ins_types t types, sorts, used, occ)) |
665 |
#> map_defaults (fn (types, sorts, used, occ) => (types, ins_sorts t sorts, used, occ)) |
|
666 |
#> map_defaults (fn (types, sorts, used, occ) => (types, sorts, ins_used t used, occ)); |
|
10381 | 667 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
668 |
fun declare_var (x, opt_T, mx) = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
669 |
declare_syntax (Free (x, case opt_T of SOME T => T | NONE => TypeInfer.mixfixT mx)); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
670 |
|
16540 | 671 |
fun declare_term t ctxt = |
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
672 |
ctxt |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
673 |
|> declare_syntax t |
16861 | 674 |
|> map_defaults (fn (types, sorts, used, occ) => (types, sorts, used, ins_occs t occ)) |
12291 | 675 |
|> map_defaults (fn (types, sorts, used, occ) => |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
676 |
(ins_skolem (fn x => Vartab.lookup types (x, ~1)) (fixes_of ctxt) types, sorts, used, occ)); |
5819 | 677 |
|
18770 | 678 |
end; |
679 |
||
680 |
||
681 |
(* inferred types of parameters *) |
|
682 |
||
683 |
fun infer_type ctxt x = |
|
684 |
(case try (fn () => |
|
685 |
Sign.infer_types (pp ctxt) (theory_of ctxt) (def_type ctxt false) (def_sort ctxt) |
|
686 |
(used_types ctxt) true ([Free (x, dummyT)], TypeInfer.logicT)) () of |
|
687 |
SOME (Free (_, T), _) => T |
|
688 |
| _ => error ("Failed to infer type of fixed variable " ^ quote x)); |
|
689 |
||
690 |
fun inferred_param x ctxt = |
|
18619 | 691 |
let val T = infer_type ctxt x |
692 |
in ((x, T), ctxt |> declare_term (Free (x, T))) end; |
|
693 |
||
18770 | 694 |
fun inferred_fixes ctxt = |
695 |
fold_map inferred_param (rev (fixed_names_of ctxt)) ctxt; |
|
5819 | 696 |
|
697 |
||
15703 | 698 |
(* type and constant names *) |
699 |
||
700 |
fun read_tyname ctxt c = |
|
18340 | 701 |
if member (op =) (used_types ctxt) c then |
18187 | 702 |
TFree (c, the_default (Sign.defaultS (theory_of ctxt)) (def_sort ctxt (c, ~1))) |
16458 | 703 |
else Sign.read_tyname (theory_of ctxt) c; |
15703 | 704 |
|
705 |
fun read_const ctxt c = |
|
706 |
(case lookup_skolem ctxt c of |
|
707 |
SOME c' => Free (c', dummyT) |
|
16458 | 708 |
| NONE => Sign.read_const (theory_of ctxt) c); |
15703 | 709 |
|
710 |
||
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
711 |
|
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
712 |
(** Hindley-Milner polymorphism **) |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
713 |
|
7925 | 714 |
(* warn_extra_tfrees *) |
715 |
||
16540 | 716 |
fun warn_extra_tfrees ctxt1 ctxt2 = |
12130
30d9143aff7e
syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents:
12123
diff
changeset
|
717 |
let |
17451 | 718 |
fun occs_typ a (Type (_, Ts)) = exists (occs_typ a) Ts |
719 |
| occs_typ a (TFree (b, _)) = a = b |
|
720 |
| occs_typ _ (TVar _) = false; |
|
721 |
fun occs_free a (Free (x, _)) = |
|
722 |
(case def_type ctxt1 false (x, ~1) of |
|
723 |
SOME T => if occs_typ a T then I else cons (a, x) |
|
724 |
| NONE => cons (a, x)) |
|
725 |
| occs_free _ _ = I; |
|
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
726 |
|
17451 | 727 |
val occs1 = type_occs_of ctxt1 and occs2 = type_occs_of ctxt2; |
728 |
val extras = Symtab.fold (fn (a, ts) => |
|
729 |
if Symtab.defined occs1 a then I else fold (occs_free a) ts) occs2 []; |
|
18428 | 730 |
val tfrees = map #1 extras |> sort_distinct string_ord; |
731 |
val frees = map #2 extras |> sort_distinct string_ord; |
|
12130
30d9143aff7e
syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents:
12123
diff
changeset
|
732 |
in |
30d9143aff7e
syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents:
12123
diff
changeset
|
733 |
if null extras then () |
17451 | 734 |
else warning ("Introduced fixed type variable(s): " ^ commas tfrees ^ " in " ^ |
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
735 |
space_implode " or " (map (string_of_term ctxt2 o Syntax.free) frees)); |
12130
30d9143aff7e
syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents:
12123
diff
changeset
|
736 |
ctxt2 |
30d9143aff7e
syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents:
12123
diff
changeset
|
737 |
end; |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
738 |
|
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
739 |
|
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
740 |
(* generalize type variables *) |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
741 |
|
12550
32843ad8160a
generalize type variables properly: start with occurrences in objects
wenzelm
parents:
12530
diff
changeset
|
742 |
fun generalize_tfrees inner outer = |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
743 |
let |
12057 | 744 |
val extra_fixes = fixed_names_of inner \\ fixed_names_of outer; |
18340 | 745 |
fun still_fixed (Free (x, _)) = not (member (op =) extra_fixes x) |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
746 |
| still_fixed _ = false; |
16540 | 747 |
val occs_inner = type_occs_of inner; |
748 |
val occs_outer = type_occs_of outer; |
|
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
749 |
fun add a gen = |
16894 | 750 |
if Symtab.defined occs_outer a orelse |
17412 | 751 |
exists still_fixed (Symtab.lookup_multi occs_inner a) |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
752 |
then gen else a :: gen; |
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
753 |
in fn tfrees => fold add tfrees [] end; |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
754 |
|
12550
32843ad8160a
generalize type variables properly: start with occurrences in objects
wenzelm
parents:
12530
diff
changeset
|
755 |
fun generalize inner outer ts = |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
756 |
let |
18187 | 757 |
val tfrees = generalize_tfrees inner outer (map #1 (fold Term.add_tfrees ts [])); |
18340 | 758 |
fun gen (x, S) = if member (op =) tfrees x 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
|
759 |
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
|
760 |
|
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
761 |
|
9553 | 762 |
|
763 |
(** export theorems **) |
|
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
764 |
|
18042 | 765 |
fun common_exports is_goal inner outer = |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
766 |
let |
12550
32843ad8160a
generalize type variables properly: start with occurrences in objects
wenzelm
parents:
12530
diff
changeset
|
767 |
val gen = generalize_tfrees inner outer; |
12057 | 768 |
val fixes = fixed_names_of inner \\ fixed_names_of outer; |
769 |
val asms = Library.drop (length (assumptions_of outer), assumptions_of inner); |
|
11816 | 770 |
val exp_asms = map (fn (cprops, exp) => exp is_goal cprops) asms; |
16948 | 771 |
in |
18255 | 772 |
Goal.norm_hhf_protect |
16948 | 773 |
#> Seq.EVERY (rev exp_asms) |
774 |
#> Seq.map (fn rule => |
|
11816 | 775 |
let |
16992 | 776 |
val thy = Thm.theory_of_thm rule; |
777 |
val prop = Thm.full_prop_of rule; |
|
18152 | 778 |
val frees = map (Thm.cterm_of thy) (List.mapPartial (Term.find_free prop) fixes); |
12550
32843ad8160a
generalize type variables properly: start with occurrences in objects
wenzelm
parents:
12530
diff
changeset
|
779 |
val tfrees = gen (Term.add_term_tfree_names (prop, [])); |
11816 | 780 |
in |
781 |
rule |
|
782 |
|> Drule.forall_intr_list frees |
|
18255 | 783 |
|> Goal.norm_hhf_protect |
18138 | 784 |
|> Drule.tvars_intr_list tfrees |> #2 |
11816 | 785 |
end) |
786 |
end; |
|
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
787 |
|
18785
5ae1f1c1b764
renamed export to export_standard (again!), because it includes Drule.local_standard';
wenzelm
parents:
18770
diff
changeset
|
788 |
fun export_standard inner outer = |
18122 | 789 |
let val exp = common_exports false inner outer in |
13378 | 790 |
fn th => |
18122 | 791 |
(case Seq.pull (exp th) of |
15531 | 792 |
SOME (th', _) => th' |> Drule.local_standard |
16850 | 793 |
| NONE => sys_error "Failed to export theorem") |
13378 | 794 |
end; |
12704 | 795 |
|
18122 | 796 |
val exports = common_exports false; |
797 |
val goal_exports = common_exports true; |
|
7925 | 798 |
|
5819 | 799 |
|
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
800 |
|
5819 | 801 |
(** bindings **) |
802 |
||
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
803 |
(* delete_update_binds *) |
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
804 |
|
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
805 |
local |
5819 | 806 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
807 |
val del_bind = map_binds o Vartab.delete_safe; |
7606 | 808 |
|
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
809 |
fun upd_bind ((x, i), t) = |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
810 |
let |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
811 |
val T = Term.fastype_of t; |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
812 |
val t' = |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
813 |
if null (Term.term_tvars t \\ Term.typ_tvars T) then t |
8637 | 814 |
else Var ((x ^ "_has_extra_type_vars_on_rhs", i), T); |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
815 |
in declare_term t' #> map_binds (Vartab.update ((x, i), (t', T))) end; |
5819 | 816 |
|
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
817 |
fun del_upd_bind (xi, NONE) = del_bind xi |
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
818 |
| del_upd_bind (xi, SOME t) = upd_bind (xi, t); |
7606 | 819 |
|
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
820 |
in |
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
821 |
|
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
822 |
val delete_update_binds = fold del_upd_bind; |
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
823 |
|
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
824 |
end; |
7606 | 825 |
|
5819 | 826 |
|
8096 | 827 |
(* simult_matches *) |
828 |
||
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
829 |
fun simult_matches ctxt [] = [] |
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
830 |
| simult_matches ctxt pairs = |
8096 | 831 |
let |
18678 | 832 |
fun fail () = error "Pattern match failed!"; |
10554 | 833 |
|
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
834 |
val maxidx = fold (fn (t1, t2) => fn i => |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
835 |
Int.max (Int.max (Term.maxidx_of_term t1, Term.maxidx_of_term t2), i)) pairs ~1; |
16458 | 836 |
val envs = Unify.smash_unifiers (theory_of ctxt, Envir.empty maxidx, |
10554 | 837 |
map swap pairs); (*prefer assignment of variables from patterns*) |
838 |
val env = |
|
8096 | 839 |
(case Seq.pull envs of |
15531 | 840 |
NONE => fail () |
841 |
| SOME (env, _) => env); (*ignore further results*) |
|
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
842 |
val domain = |
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
843 |
filter_out Term.is_replaced_dummy_pattern (map #1 (Drule.vars_of_terms (map #1 pairs))); |
10554 | 844 |
val _ = (*may not assign variables from text*) |
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
845 |
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
|
846 |
then () else fail (); |
16948 | 847 |
fun norm_bind (xi, (_, t)) = |
18310 | 848 |
if member (op =) domain xi then SOME (xi, Envir.norm_term env t) else NONE; |
15570 | 849 |
in List.mapPartial norm_bind (Envir.alist_of env) end; |
8096 | 850 |
|
851 |
||
852 |
(* add_binds(_i) *) |
|
5819 | 853 |
|
7925 | 854 |
local |
855 |
||
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
856 |
fun gen_bind prep (xi as (x, _), raw_t) ctxt = |
15570 | 857 |
ctxt |> delete_update_binds [(xi, Option.map (prep ctxt) raw_t)]; |
5819 | 858 |
|
10810 | 859 |
in |
860 |
||
15531 | 861 |
fun drop_schematic (b as (xi, SOME t)) = if null (Term.term_vars t) then b else (xi, NONE) |
10554 | 862 |
| drop_schematic b = b; |
863 |
||
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
864 |
val add_binds = fold (gen_bind read_term); |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
865 |
val add_binds_i = fold (gen_bind cert_term); |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
866 |
|
16458 | 867 |
fun auto_bind f ts ctxt = ctxt |> add_binds_i (map drop_schematic (f (theory_of ctxt) ts)); |
12147 | 868 |
val auto_bind_goal = auto_bind AutoBind.goal; |
869 |
val auto_bind_facts = auto_bind AutoBind.facts; |
|
7925 | 870 |
|
871 |
end; |
|
5819 | 872 |
|
873 |
||
8096 | 874 |
(* match_bind(_i) *) |
5819 | 875 |
|
8096 | 876 |
local |
877 |
||
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
878 |
fun prep_bind prep_pats (raw_pats, t) ctxt = |
5819 | 879 |
let |
8096 | 880 |
val ctxt' = declare_term t ctxt; |
881 |
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
|
882 |
val binds = simult_matches ctxt' (map (rpair t) pats); |
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
883 |
in (binds, ctxt') end; |
7670 | 884 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
885 |
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
|
886 |
let |
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
887 |
val ts = prep_terms ctxt (map snd raw_binds); |
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
888 |
val (binds, ctxt') = |
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
889 |
apfst List.concat (fold_map (prep_bind prep_pats) (map fst raw_binds ~~ ts) ctxt); |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
890 |
val binds' = |
12550
32843ad8160a
generalize type variables properly: start with occurrences in objects
wenzelm
parents:
12530
diff
changeset
|
891 |
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
|
892 |
else binds; |
15531 | 893 |
val binds'' = map (apsnd SOME) binds'; |
18310 | 894 |
val ctxt'' = |
895 |
warn_extra_tfrees ctxt |
|
896 |
(if gen then |
|
897 |
ctxt (*sic!*) |> fold declare_term (map #2 binds') |> add_binds_i binds'' |
|
898 |
else ctxt' |> add_binds_i binds''); |
|
899 |
in (ts, ctxt'') end; |
|
8096 | 900 |
|
901 |
in |
|
5935 | 902 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
903 |
val match_bind = gen_binds read_terms read_term_pats; |
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
904 |
val match_bind_i = gen_binds (map o cert_term) cert_term_pats; |
8096 | 905 |
|
906 |
end; |
|
5935 | 907 |
|
908 |
||
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
909 |
(* propositions with patterns *) |
5935 | 910 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
911 |
local |
8096 | 912 |
|
10554 | 913 |
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
|
914 |
let |
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
915 |
fun prep (_, (raw_pats1, raw_pats2)) (ctxt, prop :: props) = |
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
916 |
let |
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
917 |
val ctxt' = declare_term prop ctxt; |
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
918 |
val pats = prep_pats ctxt' (raw_pats1 @ raw_pats2); (*simultaneous type inference!*) |
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
919 |
in ((prop, splitAt (length raw_pats1, pats)), (ctxt', props)) end |
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
920 |
| prep _ _ = sys_error "prep_propp"; |
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
921 |
val (propp, (context', _)) = (fold_map o fold_map) prep args |
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
922 |
(context, prep_props schematic context (List.concat (map (map fst) args))); |
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
923 |
in (context', propp) end; |
5935 | 924 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
925 |
fun matches ctxt (prop, (pats1, pats2)) = |
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
926 |
simult_matches ctxt (map (rpair prop) pats1 @ map (rpair (Logic.strip_imp_concl prop)) pats2); |
8096 | 927 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
928 |
fun gen_bind_propp prepp (ctxt, raw_args) = |
8096 | 929 |
let |
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
930 |
val (ctxt', args) = prepp (ctxt, raw_args); |
15570 | 931 |
val binds = List.concat (List.concat (map (map (matches ctxt')) args)); |
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
932 |
val propss = map (map #1) args; |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
933 |
|
10554 | 934 |
(*generalize result: context evaluated now, binds added later*) |
8616
90d2fed59be1
support Hindley-Milner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset
|
935 |
val gen = generalize ctxt' ctxt; |
15531 | 936 |
fun gen_binds c = c |> add_binds_i (map #1 binds ~~ map SOME (gen (map #2 binds))); |
937 |
in (ctxt' |> add_binds_i (map (apsnd SOME) binds), (propss, gen_binds)) end; |
|
8096 | 938 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
939 |
in |
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
940 |
|
11925 | 941 |
val read_propp = prep_propp false read_props read_prop_pats; |
942 |
val cert_propp = prep_propp false cert_props cert_prop_pats; |
|
10554 | 943 |
val read_propp_schematic = prep_propp true read_props read_prop_pats; |
944 |
val cert_propp_schematic = prep_propp true cert_props cert_prop_pats; |
|
945 |
||
11925 | 946 |
val bind_propp = gen_bind_propp read_propp; |
947 |
val bind_propp_i = gen_bind_propp cert_propp; |
|
948 |
val bind_propp_schematic = gen_bind_propp read_propp_schematic; |
|
10554 | 949 |
val bind_propp_schematic_i = gen_bind_propp cert_propp_schematic; |
6789 | 950 |
|
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
951 |
end; |
4aa6f8b5cdc4
added read_terms, read_props (simulataneous type-inference);
wenzelm
parents:
10381
diff
changeset
|
952 |
|
6789 | 953 |
|
5819 | 954 |
|
955 |
(** theorems **) |
|
956 |
||
18042 | 957 |
(* fact_tac *) |
958 |
||
18122 | 959 |
fun comp_incr_tac [] _ st = no_tac st |
960 |
| comp_incr_tac (th :: ths) i st = |
|
961 |
(Goal.compose_hhf_tac (Drule.incr_indexes st th) i APPEND comp_incr_tac ths i) st; |
|
18042 | 962 |
|
18122 | 963 |
fun fact_tac facts = Tactic.norm_hhf_tac THEN' comp_incr_tac facts; |
964 |
||
965 |
fun some_fact_tac ctxt = SUBGOAL (fn (goal, i) => |
|
18042 | 966 |
let |
967 |
val (_, _, index) = thms_of ctxt; |
|
968 |
val facts = FactIndex.could_unify index (Term.strip_all_body goal); |
|
969 |
in fact_tac facts i end); |
|
970 |
||
971 |
||
6091 | 972 |
(* get_thm(s) *) |
5819 | 973 |
|
18042 | 974 |
fun retrieve_thms _ pick ctxt (Fact s) = |
16501 | 975 |
let |
18042 | 976 |
val thy = theory_of ctxt; |
977 |
val th = Goal.prove thy [] [] (read_prop ctxt s) (K (ALLGOALS (some_fact_tac ctxt))) |
|
18678 | 978 |
handle ERROR msg => cat_error msg "Failed to retrieve literal fact."; |
18042 | 979 |
in pick "" [th] end |
980 |
| retrieve_thms from_thy pick ctxt xthmref = |
|
981 |
let |
|
982 |
val thy = theory_of ctxt; |
|
983 |
val (_, (space, tab), _) = thms_of ctxt; |
|
16501 | 984 |
val thmref = PureThy.map_name_of_thmref (NameSpace.intern space) xthmref; |
985 |
val name = PureThy.name_of_thmref thmref; |
|
986 |
in |
|
17412 | 987 |
(case Symtab.lookup tab name of |
16540 | 988 |
SOME ths => map (Thm.transfer thy) (PureThy.select_thm thmref ths) |
989 |
| NONE => from_thy thy xthmref) |> pick name |
|
18042 | 990 |
end; |
5819 | 991 |
|
9566 | 992 |
val get_thm = retrieve_thms PureThy.get_thms PureThy.single_thm; |
993 |
val get_thm_closure = retrieve_thms PureThy.get_thms_closure PureThy.single_thm; |
|
994 |
val get_thms = retrieve_thms PureThy.get_thms (K I); |
|
995 |
val get_thms_closure = retrieve_thms PureThy.get_thms_closure (K I); |
|
5819 | 996 |
|
997 |
||
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
998 |
(* valid_thms *) |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
999 |
|
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1000 |
fun valid_thms ctxt (name, ths) = |
18678 | 1001 |
(case try (fn () => get_thms ctxt (Name name)) () of |
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1002 |
NONE => false |
16147 | 1003 |
| SOME ths' => Thm.eq_thms (ths, ths')); |
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1004 |
|
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1005 |
|
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1006 |
(* lthms_containing *) |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1007 |
|
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1008 |
fun lthms_containing ctxt spec = |
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1009 |
FactIndex.find (fact_index_of ctxt) spec |
18043 | 1010 |
|> map ((not o valid_thms ctxt) ? apfst (fn name => |
18042 | 1011 |
NameSpace.hidden (if name = "" then "unnamed" else name))); |
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1012 |
|
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset
|
1013 |
|
13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset
|
1014 |
(* name space operations *) |
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
1015 |
|
16540 | 1016 |
val extern_thm = NameSpace.extern o #1 o #2 o thms_of; |
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
1017 |
|
16147 | 1018 |
val qualified_names = map_naming NameSpace.qualified_names; |
1019 |
val no_base_names = map_naming NameSpace.no_base_names; |
|
1020 |
val custom_accesses = map_naming o NameSpace.custom_accesses; |
|
16540 | 1021 |
val restore_naming = map_naming o K o #1 o thms_of; |
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
1022 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1023 |
fun hide_thms fully names = map_thms (fn (naming, (space, tab), index) => |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1024 |
(naming, (fold (NameSpace.hide fully) names space, tab), index)); |
13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset
|
1025 |
|
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset
|
1026 |
|
17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset
|
1027 |
(* put_thms *) |
5819 | 1028 |
|
18042 | 1029 |
fun put_thms ("", NONE) ctxt = ctxt |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1030 |
| put_thms ("", SOME ths) ctxt = ctxt |> map_thms (fn (naming, facts, index) => |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1031 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1032 |
val index' = FactIndex.add_local (is_known ctxt) ("", ths) index; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1033 |
in (naming, facts, index') end) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1034 |
| put_thms (bname, NONE) ctxt = ctxt |> map_thms (fn (naming, (space, tab), index) => |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1035 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1036 |
val name = NameSpace.full naming bname; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1037 |
val tab' = Symtab.delete_safe name tab; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1038 |
in (naming, (space, tab'), index) end) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1039 |
| put_thms (bname, SOME ths) ctxt = ctxt |> map_thms (fn (naming, (space, tab), index) => |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1040 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1041 |
val name = NameSpace.full naming bname; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1042 |
val space' = NameSpace.declare naming name space; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1043 |
val tab' = Symtab.update (name, ths) tab; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1044 |
val index' = FactIndex.add_local (is_known ctxt) (name, ths) index; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1045 |
in (naming, (space', tab'), index') end); |
5819 | 1046 |
|
7606 | 1047 |
|
14564 | 1048 |
(* note_thmss *) |
5819 | 1049 |
|
12711 | 1050 |
local |
16147 | 1051 |
|
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
1052 |
fun gen_note_thmss get = fold_map (fn ((name, more_attrs), ths_attrs) => fn ctxt => |
5819 | 1053 |
let |
17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset
|
1054 |
fun app (th, attrs) (ct, ths) = |
18728 | 1055 |
let val (ct', th') = foldl_map (Thm.proof_attributes (attrs @ more_attrs)) (ct, get ctxt th) |
12711 | 1056 |
in (ct', th' :: ths) end; |
17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset
|
1057 |
val (ctxt', rev_thms) = fold app ths_attrs (ctxt, []); |
15570 | 1058 |
val thms = List.concat (rev rev_thms); |
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset
|
1059 |
in ((name, thms), ctxt' |> put_thms (name, SOME thms)) end); |
12711 | 1060 |
|
1061 |
in |
|
1062 |
||
16147 | 1063 |
val note_thmss = gen_note_thmss get_thms; |
1064 |
val note_thmss_i = gen_note_thmss (K I); |
|
15696 | 1065 |
|
1066 |
val note_thmss_accesses = gen_note_thmss get_thms; |
|
1067 |
val note_thmss_accesses_i = gen_note_thmss (K I); |
|
12711 | 1068 |
|
1069 |
end; |
|
9196 | 1070 |
|
5819 | 1071 |
|
1072 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1073 |
(** parameters **) |
17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset
|
1074 |
|
8096 | 1075 |
(* variables *) |
1076 |
||
10381 | 1077 |
local |
1078 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1079 |
fun prep_vars prep_typ internal legacy = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1080 |
fold_map (fn (raw_x, raw_T, raw_mx) => fn ctxt => |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1081 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1082 |
val x = Syntax.const_name raw_x raw_mx; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1083 |
val mx = Syntax.fix_mixfix raw_x raw_mx; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1084 |
val _ = |
18678 | 1085 |
if not legacy andalso not (Syntax.is_identifier (no_skolem internal x)) then |
1086 |
error ("Illegal variable name: " ^ quote x) |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1087 |
else (); |
12504 | 1088 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1089 |
fun cond_tvars T = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1090 |
if internal then T |
18678 | 1091 |
else Type.no_tvars T handle TYPE (msg, _, _) => error msg; |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1092 |
val opt_T = Option.map (cond_tvars o prep_typ ctxt) raw_T; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1093 |
val var = (x, opt_T, mx); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1094 |
in (var, ctxt |> declare_var var) end); |
8096 | 1095 |
|
10381 | 1096 |
in |
1097 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1098 |
val read_vars = prep_vars read_typ false false; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1099 |
val cert_vars = prep_vars cert_typ true false; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1100 |
val read_vars_legacy = prep_vars read_typ true true; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1101 |
val cert_vars_legacy = prep_vars cert_typ true true; |
8096 | 1102 |
|
10381 | 1103 |
end; |
1104 |
||
8096 | 1105 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1106 |
(* fixes *) |
5819 | 1107 |
|
8096 | 1108 |
local |
1109 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1110 |
fun no_dups _ [] = () |
18900 | 1111 |
| no_dups ctxt dups = error ("Duplicate fixed variable(s): " ^ commas_quote dups); |
11925 | 1112 |
|
18844 | 1113 |
fun gen_fixes prep raw_vars ctxt = |
8096 | 1114 |
let |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1115 |
val (ys, zs) = split_list (fixes_of ctxt); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1116 |
val (vars, ctxt') = prep raw_vars ctxt; |
12130
30d9143aff7e
syntactic declaration of external *and* internal versions of fixes;
wenzelm
parents:
12123
diff
changeset
|
1117 |
val xs = map #1 vars; |
18928
042608ffa2ec
subsituted gen_duplicates / has_duplicates for duplicates whenever appropriate
haftmann
parents:
18900
diff
changeset
|
1118 |
val _ = no_dups ctxt (gen_duplicates (op =) xs); |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1119 |
val xs' = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1120 |
if is_body ctxt then Term.variantlist (map Syntax.skolem xs, zs) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1121 |
else (no_dups ctxt (xs inter_string ys); no_dups ctxt (xs inter_string zs); xs); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1122 |
val vars' = map2 (fn x' => fn (_, T, mx) => (x', T, mx)) xs' vars; |
8096 | 1123 |
in |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1124 |
ctxt' |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1125 |
|> map_fixes (fn (b, fixes) => (b, rev (xs ~~ xs') @ fixes)) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1126 |
|> add_syntax vars' |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1127 |
|> fold declare_var vars' |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1128 |
|> pair xs' |
8096 | 1129 |
end; |
5819 | 1130 |
|
8096 | 1131 |
in |
7679 | 1132 |
|
18844 | 1133 |
val add_fixes = gen_fixes read_vars; |
1134 |
val add_fixes_i = gen_fixes cert_vars; |
|
1135 |
val add_fixes_legacy = gen_fixes cert_vars_legacy; |
|
8096 | 1136 |
|
1137 |
end; |
|
5819 | 1138 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1139 |
|
18844 | 1140 |
(* invent fixes *) |
1141 |
||
1142 |
fun invent_fixes xs ctxt = |
|
1143 |
ctxt |
|
1144 |
|> set_body true |
|
1145 |
|> add_fixes_i (map (fn x => (x, NONE, NoSyn)) xs) |
|
1146 |
||> restore_body ctxt; |
|
1147 |
||
1148 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1149 |
(* fixes vs. frees *) |
12016 | 1150 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1151 |
fun fix_frees t ctxt = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1152 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1153 |
fun add (Free (x, T)) = if is_fixed ctxt x then I else insert (op =) (x, SOME T, NoSyn) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1154 |
| add _ = I; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1155 |
val fixes = rev (fold_aterms add t []); |
18809 | 1156 |
in |
1157 |
ctxt |
|
1158 |
|> declare_term t |
|
1159 |
|> set_body false |
|
1160 |
|> (snd o add_fixes_i fixes) |
|
1161 |
|> restore_body ctxt |
|
1162 |
end; |
|
6895 | 1163 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1164 |
fun auto_fixes (arg as (ctxt, (propss, x))) = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1165 |
if is_body ctxt then arg |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1166 |
else ((fold o fold) fix_frees propss ctxt, (propss, x)); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1167 |
|
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1168 |
fun bind_fixes xs ctxt = |
9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
1169 |
let |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1170 |
val (_, ctxt') = ctxt |> add_fixes_i (map (fn x => (x, NONE, NoSyn)) xs); |
9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
1171 |
fun bind (t as Free (x, T)) = |
18340 | 1172 |
if member (op =) xs x then |
15531 | 1173 |
(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
|
1174 |
else t |
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
1175 |
| bind (t $ u) = bind t $ bind u |
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
1176 |
| 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
|
1177 |
| bind a = a; |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1178 |
in (bind, ctxt') end; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1179 |
|
9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
1180 |
|
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset
|
1181 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1182 |
(** assumptions **) |
18187 | 1183 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1184 |
(* generic assms *) |
18187 | 1185 |
|
1186 |
local |
|
1187 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1188 |
fun gen_assm ((name, attrs), props) ctxt = |
18187 | 1189 |
let |
1190 |
val cprops = map (Thm.cterm_of (theory_of ctxt)) props; |
|
1191 |
val asms = map (Goal.norm_hhf o Thm.assume) cprops; |
|
1192 |
||
1193 |
val ths = map (fn th => ([th], [])) asms; |
|
1194 |
val ([(_, thms)], ctxt') = |
|
1195 |
ctxt |
|
1196 |
|> auto_bind_facts props |
|
1197 |
|> note_thmss_i [((name, attrs), ths)]; |
|
1198 |
in ((cprops, (name, asms), (name, thms)), ctxt') end; |
|
1199 |
||
1200 |
fun gen_assms prepp exp args ctxt = |
|
1201 |
let |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1202 |
val (propss, ctxt1) = swap (prepp (ctxt, map snd args)); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1203 |
val (results, ctxt2) = fold_map gen_assm (map fst args ~~ propss) ctxt1; |
18187 | 1204 |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1205 |
val new_asms = List.concat (map #1 results); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1206 |
val new_prems = map #2 results; |
18809 | 1207 |
val ctxt3 = ctxt2 |
1208 |
|> map_assms (fn (asms, prems) => (asms @ [(new_asms, exp)], prems @ new_prems)) |
|
1209 |
val ctxt4 = ctxt3 |
|
1210 |
|> put_thms ("prems", SOME (prems_of ctxt3)); |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1211 |
in (map #3 results, warn_extra_tfrees ctxt ctxt4) end; |
18187 | 1212 |
|
1213 |
in |
|
1214 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1215 |
val add_assms = gen_assms (apsnd #1 o bind_propp); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1216 |
val add_assms_i = gen_assms (apsnd #1 o bind_propp_i); |
18187 | 1217 |
|
1218 |
end; |
|
1219 |
||
1220 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1221 |
(* basic assumptions *) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1222 |
|
18879 | 1223 |
(* |
1224 |
[A] |
|
1225 |
: |
|
1226 |
B |
|
1227 |
-------- |
|
1228 |
#A ==> B |
|
1229 |
*) |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1230 |
fun assume_export true = Seq.single oo Drule.implies_intr_protected |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1231 |
| assume_export false = Seq.single oo Drule.implies_intr_list; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1232 |
|
18879 | 1233 |
(* |
1234 |
[A] |
|
1235 |
: |
|
1236 |
B |
|
1237 |
------- |
|
1238 |
A ==> B |
|
1239 |
*) |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1240 |
fun presume_export _ = assume_export false; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1241 |
|
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1242 |
|
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1243 |
(* additional views *) |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1244 |
|
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1245 |
fun add_view outer view = map_assms (fn (asms, prems) => |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1246 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1247 |
val (asms1, asms2) = splitAt (length (assumptions_of outer), asms); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1248 |
val asms' = asms1 @ [(view, assume_export)] @ asms2; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1249 |
in (asms', prems) end); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1250 |
|
18785
5ae1f1c1b764
renamed export to export_standard (again!), because it includes Drule.local_standard';
wenzelm
parents:
18770
diff
changeset
|
1251 |
fun export_view view inner outer = export_standard (add_view outer view inner) outer; |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1252 |
|
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1253 |
|
5819 | 1254 |
|
8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset
|
1255 |
(** cases **) |
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset
|
1256 |
|
16147 | 1257 |
local |
1258 |
||
16668 | 1259 |
fun rem_case name = remove (fn (x: string, (y, _)) => x = y) name; |
16147 | 1260 |
|
18476 | 1261 |
fun add_case _ ("", _) cases = cases |
1262 |
| add_case _ (name, NONE) cases = rem_case name cases |
|
1263 |
| add_case is_proper (name, SOME c) cases = (name, (c, is_proper)) :: rem_case name cases; |
|
16147 | 1264 |
|
18678 | 1265 |
fun prep_case name fxs c = |
18609 | 1266 |
let |
1267 |
fun replace (opt_x :: xs) ((y, T) :: ys) = (the_default y opt_x, T) :: replace xs ys |
|
1268 |
| replace [] ys = ys |
|
18678 | 1269 |
| replace (_ :: _) [] = error ("Too many parameters for case " ^ quote name); |
18609 | 1270 |
val RuleCases.Case {fixes, assumes, binds, cases} = c; |
1271 |
val fixes' = replace fxs fixes; |
|
1272 |
val binds' = map drop_schematic binds; |
|
1273 |
in |
|
1274 |
if null (fold (Term.add_tvarsT o snd) fixes []) andalso |
|
1275 |
null (fold (fold Term.add_vars o snd) assumes []) then |
|
1276 |
RuleCases.Case {fixes = fixes', assumes = assumes, binds = binds', cases = cases} |
|
18678 | 1277 |
else error ("Illegal schematic variable(s) in case " ^ quote name) |
18609 | 1278 |
end; |
1279 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1280 |
fun fix (x, T) ctxt = |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1281 |
let |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1282 |
val (bind, ctxt') = bind_fixes [x] ctxt; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1283 |
val t = bind (Free (x, T)); |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1284 |
in (t, ctxt' |> declare_syntax t) end; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1285 |
|
16147 | 1286 |
in |
1287 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1288 |
fun add_cases is_proper = map_cases o fold (add_case is_proper); |
18609 | 1289 |
|
1290 |
fun case_result c ctxt = |
|
1291 |
let |
|
1292 |
val RuleCases.Case {fixes, ...} = c; |
|
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1293 |
val (ts, ctxt') = ctxt |> fold_map fix fixes; |
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1294 |
val RuleCases.Case {assumes, binds, cases, ...} = RuleCases.apply ts c; |
18609 | 1295 |
in |
1296 |
ctxt' |
|
18699
f3bfe81b6e58
case_result: drop_schematic, i.e. be permissive about illegal binds;
wenzelm
parents:
18678
diff
changeset
|
1297 |
|> add_binds_i (map drop_schematic binds) |
18609 | 1298 |
|> add_cases true (map (apsnd SOME) cases) |
1299 |
|> pair (assumes, (binds, cases)) |
|
1300 |
end; |
|
1301 |
||
1302 |
val apply_case = apfst fst oo case_result; |
|
1303 |
||
16540 | 1304 |
fun get_case ctxt name xs = |
17184 | 1305 |
(case AList.lookup (op =) (cases_of ctxt) name of |
18678 | 1306 |
NONE => error ("Unknown case: " ^ quote name) |
1307 |
| SOME (c, _) => prep_case name xs c); |
|
8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset
|
1308 |
|
16147 | 1309 |
end; |
8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset
|
1310 |
|
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset
|
1311 |
|
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset
|
1312 |
|
10810 | 1313 |
(** print context information **) |
1314 |
||
1315 |
val verbose = ref false; |
|
1316 |
fun verb f x = if ! verbose then f (x ()) else []; |
|
1317 |
||
1318 |
fun setmp_verbose f x = Library.setmp verbose true f x; |
|
1319 |
||
1320 |
fun pretty_items prt name items = |
|
1321 |
let |
|
1322 |
fun prt_itms (name, [x]) = Pretty.block [Pretty.str (name ^ ":"), Pretty.brk 1, prt x] |
|
1323 |
| prt_itms (name, xs) = Pretty.big_list (name ^ ":") (map prt xs); |
|
1324 |
in |
|
1325 |
if null items andalso not (! verbose) then [] |
|
1326 |
else [Pretty.big_list name (map prt_itms items)] |
|
1327 |
end; |
|
1328 |
||
1329 |
||
12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset
|
1330 |
(* local syntax *) |
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset
|
1331 |
|
12093 | 1332 |
val print_syntax = Syntax.print_syntax o syn_of; |
12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset
|
1333 |
|
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset
|
1334 |
|
10810 | 1335 |
(* term bindings *) |
1336 |
||
16540 | 1337 |
fun pretty_binds ctxt = |
10810 | 1338 |
let |
16540 | 1339 |
val binds = binds_of ctxt; |
12057 | 1340 |
fun prt_bind (xi, (t, T)) = pretty_term ctxt (Logic.mk_equals (Var (xi, T), t)); |
10810 | 1341 |
in |
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
1342 |
if Vartab.is_empty binds andalso not (! verbose) then [] |
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset
|
1343 |
else [Pretty.big_list "term bindings:" (map prt_bind (Vartab.dest binds))] |
10810 | 1344 |
end; |
1345 |
||
1346 |
val print_binds = Pretty.writeln o Pretty.chunks o pretty_binds; |
|
1347 |
||
1348 |
||
1349 |
(* local theorems *) |
|
1350 |
||
16540 | 1351 |
fun pretty_lthms ctxt = |
1352 |
pretty_items (pretty_thm ctxt) "facts:" (NameSpace.extern_table (#2 (thms_of ctxt))); |
|
10810 | 1353 |
|
12057 | 1354 |
val print_lthms = Pretty.writeln o Pretty.chunks o pretty_lthms; |
10810 | 1355 |
|
1356 |
||
1357 |
(* local contexts *) |
|
1358 |
||
16540 | 1359 |
fun pretty_cases ctxt = |
10810 | 1360 |
let |
12057 | 1361 |
val prt_term = pretty_term ctxt; |
1362 |
||
10810 | 1363 |
fun prt_let (xi, t) = Pretty.block |
10818 | 1364 |
[Pretty.quote (prt_term (Var (xi, Term.fastype_of t))), Pretty.str " =", Pretty.brk 1, |
10810 | 1365 |
Pretty.quote (prt_term t)]; |
1366 |
||
13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset
|
1367 |
fun prt_asm (a, ts) = Pretty.block (Pretty.breaks |
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset
|
1368 |
((if a = "" then [] else [Pretty.str (a ^ ":")]) @ map (Pretty.quote o prt_term) ts)); |
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset
|
1369 |
|
10810 | 1370 |
fun prt_sect _ _ _ [] = [] |
1371 |
| prt_sect s sep prt xs = [Pretty.block (Pretty.breaks (Pretty.str s :: |
|
15570 | 1372 |
List.concat (Library.separate sep (map (Library.single o prt) xs))))]; |
10810 | 1373 |
|
18609 | 1374 |
fun prt_case (name, (fixes, (asms, (lets, cs)))) = Pretty.block (Pretty.fbreaks |
10810 | 1375 |
(Pretty.str (name ^ ":") :: |
11915 | 1376 |
prt_sect "fix" [] (Pretty.str o fst) fixes @ |
10810 | 1377 |
prt_sect "let" [Pretty.str "and"] prt_let |
15570 | 1378 |
(List.mapPartial (fn (xi, SOME t) => SOME (xi, t) | _ => NONE) lets) @ |
13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset
|
1379 |
(if forall (null o #2) asms then [] |
18609 | 1380 |
else prt_sect "assume" [Pretty.str "and"] prt_asm asms) @ |
1381 |
prt_sect "subcases:" [] (Pretty.str o fst) cs)); |
|
16540 | 1382 |
|
18476 | 1383 |
fun add_case (_, (_, false)) = I |
18609 | 1384 |
| add_case (name, (c as RuleCases.Case {fixes, ...}, true)) = |
1385 |
cons (name, (fixes, #1 (case_result c ctxt))); |
|
18476 | 1386 |
val cases = fold add_case (cases_of ctxt) []; |
10810 | 1387 |
in |
1388 |
if null cases andalso not (! verbose) then [] |
|
18476 | 1389 |
else [Pretty.big_list "cases:" (map prt_case cases)] |
10810 | 1390 |
end; |
1391 |
||
1392 |
val print_cases = Pretty.writeln o Pretty.chunks o pretty_cases; |
|
1393 |
||
1394 |
||
12057 | 1395 |
(* core context *) |
10810 | 1396 |
|
1397 |
val prems_limit = ref 10; |
|
1398 |
||
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1399 |
fun pretty_ctxt ctxt = |
10810 | 1400 |
let |
12057 | 1401 |
val prt_term = pretty_term ctxt; |
1402 |
||
12093 | 1403 |
(*structures*) |
1404 |
val (_, structs, _) = syntax_of ctxt; |
|
1405 |
val prt_structs = if null structs then [] |
|
1406 |
else [Pretty.block (Pretty.str "structures:" :: Pretty.brk 1 :: |
|
1407 |
Pretty.commas (map Pretty.str structs))]; |
|
1408 |
||
12057 | 1409 |
(*fixes*) |
1410 |
fun prt_fix (x, x') = |
|
1411 |
if x = x' then Pretty.str x |
|
1412 |
else Pretty.block [Pretty.str x, Pretty.str " =", Pretty.brk 1, prt_term (Syntax.free x')]; |
|
18340 | 1413 |
val fixes = |
1414 |
rev (filter_out ((can Syntax.dest_internal orf member (op =) structs) o #1) (fixes_of ctxt)); |
|
12093 | 1415 |
val prt_fixes = if null fixes then [] |
1416 |
else [Pretty.block (Pretty.str "fixed variables:" :: Pretty.brk 1 :: |
|
1417 |
Pretty.commas (map prt_fix fixes))]; |
|
12057 | 1418 |
|
1419 |
(*prems*) |
|
10810 | 1420 |
val limit = ! prems_limit; |
1421 |
val prems = prems_of ctxt; |
|
1422 |
val len = length prems; |
|
12093 | 1423 |
val prt_prems = if null prems then [] |
1424 |
else [Pretty.big_list "prems:" ((if len <= limit then [] else [Pretty.str "..."]) @ |
|
1425 |
map (pretty_thm ctxt) (Library.drop (len - limit, prems)))]; |
|
1426 |
||
1427 |
in prt_structs @ prt_fixes @ prt_prems end; |
|
10810 | 1428 |
|
1429 |
||
1430 |
(* main context *) |
|
1431 |
||
16540 | 1432 |
fun pretty_context ctxt = |
10810 | 1433 |
let |
12057 | 1434 |
val prt_term = pretty_term ctxt; |
1435 |
val prt_typ = pretty_typ ctxt; |
|
1436 |
val prt_sort = pretty_sort ctxt; |
|
10810 | 1437 |
|
1438 |
(*theory*) |
|
12057 | 1439 |
val pretty_thy = Pretty.block |
17384 | 1440 |
[Pretty.str "theory:", Pretty.brk 1, Context.pretty_thy (theory_of ctxt)]; |
10810 | 1441 |
|
1442 |
(*defaults*) |
|
1443 |
fun prt_atom prt prtT (x, X) = Pretty.block |
|
1444 |
[prt x, Pretty.str " ::", Pretty.brk 1, prtT X]; |
|
1445 |
||
1446 |
fun prt_var (x, ~1) = prt_term (Syntax.free x) |
|
1447 |
| prt_var xi = prt_term (Syntax.var xi); |
|
1448 |
||
1449 |
fun prt_varT (x, ~1) = prt_typ (TFree (x, [])) |
|
1450 |
| prt_varT xi = prt_typ (TVar (xi, [])); |
|
1451 |
||
1452 |
val prt_defT = prt_atom prt_var prt_typ; |
|
1453 |
val prt_defS = prt_atom prt_varT prt_sort; |
|
16540 | 1454 |
|
1455 |
val (types, sorts, used, _) = defaults_of ctxt; |
|
10810 | 1456 |
in |
18609 | 1457 |
verb single (K pretty_thy) @ |
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset
|
1458 |
pretty_ctxt ctxt @ |
10810 | 1459 |
verb pretty_binds (K ctxt) @ |
12057 | 1460 |
verb pretty_lthms (K ctxt) @ |
10810 | 1461 |
verb pretty_cases (K ctxt) @ |
18609 | 1462 |
verb single (fn () => Pretty.big_list "type constraints:" (map prt_defT (Vartab.dest types))) @ |
1463 |
verb single (fn () => Pretty.big_list "default sorts:" (map prt_defS (Vartab.dest sorts))) @ |
|
18809 | 1464 |
verb single (fn () => Pretty.strs ("used type variable names:" :: rev used)) |
10810 | 1465 |
end; |
1466 |
||
18809 | 1467 |
|
1468 |
(* toplevel pretty printing *) |
|
1469 |
||
1470 |
val debug = ref false; |
|
1471 |
||
1472 |
fun pprint_context ctxt = Pretty.pprint |
|
1473 |
(if ! debug then Pretty.quote (Pretty.big_list "proof context:" (pretty_context ctxt)) |
|
1474 |
else Pretty.str "<context>"); |
|
1475 |
||
5819 | 1476 |
end; |