author | paulson <lp15@cam.ac.uk> |
Sun, 20 May 2018 18:37:34 +0100 | |
changeset 68239 | 0764ee22a4d1 |
parent 67721 | 5348bea4accd |
child 69575 | f77cc54f6d47 |
permissions | -rw-r--r-- |
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(* Title: Pure/variable.ML |
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Author: Makarius |
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Fixed type/term variables and polymorphic term abbreviations. |
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*) |
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signature VARIABLE = |
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sig |
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val names_of: Proof.context -> Name.context |
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val binds_of: Proof.context -> (typ * term) Vartab.table |
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val maxidx_of: Proof.context -> int |
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val constraints_of: Proof.context -> typ Vartab.table * sort Vartab.table |
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val is_declared: Proof.context -> string -> bool |
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val check_name: binding -> string |
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val default_type: Proof.context -> string -> typ option |
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val def_type: Proof.context -> bool -> indexname -> typ option |
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val def_sort: Proof.context -> indexname -> sort option |
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val declare_maxidx: int -> Proof.context -> Proof.context |
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val declare_names: term -> Proof.context -> Proof.context |
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val declare_constraints: term -> Proof.context -> Proof.context |
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val declare_internal: term -> Proof.context -> Proof.context |
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val declare_term: term -> Proof.context -> Proof.context |
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val declare_typ: typ -> Proof.context -> Proof.context |
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val declare_prf: Proofterm.proof -> Proof.context -> Proof.context |
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val declare_thm: thm -> Proof.context -> Proof.context |
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val variant_frees: Proof.context -> term list -> (string * 'a) list -> (string * 'a) list |
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val bind_term: indexname * term -> Proof.context -> Proof.context |
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val unbind_term: indexname -> Proof.context -> Proof.context |
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val maybe_bind_term: indexname * term option -> Proof.context -> Proof.context |
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val expand_binds: Proof.context -> term -> term |
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val lookup_const: Proof.context -> string -> string option |
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val is_const: Proof.context -> string -> bool |
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val declare_const: string * string -> Proof.context -> Proof.context |
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val next_bound: string * typ -> Proof.context -> term * Proof.context |
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val revert_bounds: Proof.context -> term -> term |
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val is_body: Proof.context -> bool |
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val set_body: bool -> Proof.context -> Proof.context |
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val restore_body: Proof.context -> Proof.context -> Proof.context |
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val improper_fixes: Proof.context -> Proof.context |
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val restore_proper_fixes: Proof.context -> Proof.context -> Proof.context |
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val is_improper: Proof.context -> string -> bool |
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val is_fixed: Proof.context -> string -> bool |
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val is_newly_fixed: Proof.context -> Proof.context -> string -> bool |
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val fixed_ord: Proof.context -> string * string -> order |
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val intern_fixed: Proof.context -> string -> string |
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val lookup_fixed: Proof.context -> string -> string option |
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val revert_fixed: Proof.context -> string -> string |
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val markup_fixed: Proof.context -> string -> Markup.T |
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val markup: Proof.context -> string -> Markup.T |
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val markup_entity_def: Proof.context -> string -> Markup.T |
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val dest_fixes: Proof.context -> (string * string) list |
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val add_fixed_names: Proof.context -> term -> string list -> string list |
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val add_fixed: Proof.context -> term -> (string * typ) list -> (string * typ) list |
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val add_newly_fixed: Proof.context -> Proof.context -> |
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term -> (string * typ) list -> (string * typ) list |
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val add_free_names: Proof.context -> term -> string list -> string list |
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val add_frees: Proof.context -> term -> (string * typ) list -> (string * typ) list |
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val add_fixes_binding: binding list -> Proof.context -> string list * Proof.context |
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val add_fixes: string list -> Proof.context -> string list * Proof.context |
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val add_fixes_direct: string list -> Proof.context -> Proof.context |
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val auto_fixes: term -> Proof.context -> Proof.context |
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val fix_dummy_patterns: term -> Proof.context -> term * Proof.context |
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val variant_fixes: string list -> Proof.context -> string list * Proof.context |
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val gen_all: Proof.context -> thm -> thm |
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val export_terms: Proof.context -> Proof.context -> term list -> term list |
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val exportT_terms: Proof.context -> Proof.context -> term list -> term list |
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val exportT: Proof.context -> Proof.context -> thm list -> thm list |
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val export_prf: Proof.context -> Proof.context -> Proofterm.proof -> Proofterm.proof |
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val export: Proof.context -> Proof.context -> thm list -> thm list |
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val export_morphism: Proof.context -> Proof.context -> morphism |
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val invent_types: sort list -> Proof.context -> (string * sort) list * Proof.context |
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val importT_inst: term list -> Proof.context -> ((indexname * sort) * typ) list * Proof.context |
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val import_inst: bool -> term list -> Proof.context -> |
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(((indexname * sort) * typ) list * ((indexname * typ) * term) list) * Proof.context |
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val importT_terms: term list -> Proof.context -> term list * Proof.context |
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val import_terms: bool -> term list -> Proof.context -> term list * Proof.context |
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val importT: thm list -> Proof.context -> |
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(((indexname * sort) * ctyp) list * thm list) * Proof.context |
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val import_prf: bool -> Proofterm.proof -> Proof.context -> Proofterm.proof * Proof.context |
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val import: bool -> thm list -> Proof.context -> |
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((((indexname * sort) * ctyp) list * ((indexname * typ) * cterm) list) * thm list) * Proof.context |
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val tradeT: (Proof.context -> thm list -> thm list) -> Proof.context -> thm list -> thm list |
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val trade: (Proof.context -> thm list -> thm list) -> Proof.context -> thm list -> thm list |
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val is_bound_focus: Proof.context -> bool |
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val set_bound_focus: bool -> Proof.context -> Proof.context |
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val restore_bound_focus: Proof.context -> Proof.context -> Proof.context |
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val focus_params: binding list option -> term -> Proof.context -> |
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(string list * (string * typ) list) * Proof.context |
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val focus: binding list option -> term -> Proof.context -> |
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((string * (string * typ)) list * term) * Proof.context |
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val focus_cterm: binding list option -> cterm -> Proof.context -> |
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((string * cterm) list * cterm) * Proof.context |
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val focus_subgoal: binding list option -> int -> thm -> Proof.context -> |
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((string * cterm) list * cterm) * Proof.context |
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val warn_extra_tfrees: Proof.context -> Proof.context -> unit |
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val polymorphic_types: Proof.context -> term list -> (indexname * sort) list * term list |
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val polymorphic: Proof.context -> term list -> term list |
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end; |
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structure Variable: VARIABLE = |
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struct |
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(** local context data **) |
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type fixes = (string * bool) Name_Space.table; |
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val empty_fixes: fixes = Name_Space.empty_table Markup.fixedN; |
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datatype data = Data of |
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{names: Name.context, (*type/term variable names*) |
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consts: string Symtab.table, (*consts within the local scope*) |
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bounds: int * ((string * typ) * string) list, (*next index, internal name, type, external name*) |
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fixes: fixes, (*term fixes -- global name space, intern ~> extern*) |
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binds: (typ * term) Vartab.table, (*term bindings*) |
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type_occs: string list Symtab.table, (*type variables -- possibly within term variables*) |
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maxidx: int, (*maximum var index*) |
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constraints: |
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typ Vartab.table * (*type constraints*) |
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sort Vartab.table}; (*default sorts*) |
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fun make_data (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) = |
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Data {names = names, consts = consts, bounds = bounds, fixes = fixes, binds = binds, |
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type_occs = type_occs, maxidx = maxidx, constraints = constraints}; |
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val empty_data = |
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make_data (Name.context, Symtab.empty, (0, []), empty_fixes, Vartab.empty, |
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Symtab.empty, ~1, (Vartab.empty, Vartab.empty)); |
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structure Data = Proof_Data |
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( |
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type T = data; |
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fun init _ = empty_data; |
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); |
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fun map_data f = |
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Data.map (fn Data {names, consts, bounds, fixes, binds, type_occs, maxidx, constraints} => |
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make_data (f (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints))); |
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fun map_names f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(f names, consts, bounds, fixes, binds, type_occs, maxidx, constraints)); |
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fun map_consts f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, f consts, bounds, fixes, binds, type_occs, maxidx, constraints)); |
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fun map_bounds f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, consts, f bounds, fixes, binds, type_occs, maxidx, constraints)); |
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fun map_fixes f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, consts, bounds, f fixes, binds, type_occs, maxidx, constraints)); |
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fun map_binds f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, consts, bounds, fixes, f binds, type_occs, maxidx, constraints)); |
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fun map_type_occs f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, consts, bounds, fixes, binds, f type_occs, maxidx, constraints)); |
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fun map_maxidx f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, consts, bounds, fixes, binds, type_occs, f maxidx, constraints)); |
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fun map_constraints f = |
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map_data (fn (names, consts, bounds, fixes, binds, type_occs, maxidx, constraints) => |
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(names, consts, bounds, fixes, binds, type_occs, maxidx, f constraints)); |
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fun rep_data ctxt = Data.get ctxt |> (fn Data rep => rep); |
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val names_of = #names o rep_data; |
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val fixes_of = #fixes o rep_data; |
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val fixes_space = Name_Space.space_of_table o fixes_of; |
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val binds_of = #binds o rep_data; |
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val type_occs_of = #type_occs o rep_data; |
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val maxidx_of = #maxidx o rep_data; |
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val constraints_of = #constraints o rep_data; |
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val is_declared = Name.is_declared o names_of; |
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val check_name = Name_Space.base_name o tap Binding.check; |
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(** declarations **) |
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(* default sorts and types *) |
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|
189 |
|
20162 | 190 |
fun default_type ctxt x = Vartab.lookup (#1 (constraints_of ctxt)) (x, ~1); |
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Fixed type/term variables and polymorphic term abbreviations.
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parents:
diff
changeset
|
191 |
|
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|
192 |
fun def_type ctxt pattern xi = |
20162 | 193 |
let val {binds, constraints = (types, _), ...} = rep_data ctxt in |
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|
194 |
(case Vartab.lookup types xi of |
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|
195 |
NONE => |
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|
196 |
if pattern then NONE |
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load type_infer.ML later -- proper context for Type_Infer.infer_types;
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diff
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|
197 |
else Vartab.lookup binds xi |> Option.map (Type.mark_polymorphic o #1) |
19899
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|
198 |
| some => some) |
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|
199 |
end; |
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Fixed type/term variables and polymorphic term abbreviations.
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|
200 |
|
20162 | 201 |
val def_sort = Vartab.lookup o #2 o constraints_of; |
202 |
||
203 |
||
59646 | 204 |
(* maxidx *) |
205 |
||
206 |
val declare_maxidx = map_maxidx o Integer.max; |
|
207 |
||
208 |
||
20162 | 209 |
(* names *) |
210 |
||
24765 | 211 |
fun declare_type_names t = |
29279 | 212 |
map_names (fold_types (fold_atyps Term.declare_typ_names) t) #> |
24765 | 213 |
map_maxidx (fold_types Term.maxidx_typ t); |
20162 | 214 |
|
215 |
fun declare_names t = |
|
216 |
declare_type_names t #> |
|
29279 | 217 |
map_names (fold_aterms Term.declare_term_frees t) #> |
24765 | 218 |
map_maxidx (Term.maxidx_term t); |
20162 | 219 |
|
220 |
||
221 |
(* type occurrences *) |
|
222 |
||
24719
21d1cdab2d8c
declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
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changeset
|
223 |
fun decl_type_occsT T = fold_atyps (fn TFree (a, _) => Symtab.default (a, []) | _ => I) T; |
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declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
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diff
changeset
|
224 |
|
22671 | 225 |
val decl_type_occs = fold_term_types |
20162 | 226 |
(fn Free (x, _) => fold_atyps (fn TFree (a, _) => Symtab.insert_list (op =) (a, x) | _ => I) |
24719
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declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
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parents:
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diff
changeset
|
227 |
| _ => decl_type_occsT); |
19899
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Fixed type/term variables and polymorphic term abbreviations.
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changeset
|
228 |
|
24719
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|
229 |
val declare_type_occsT = map_type_occs o fold_types decl_type_occsT; |
22671 | 230 |
val declare_type_occs = map_type_occs o decl_type_occs; |
231 |
||
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|
232 |
|
20162 | 233 |
(* constraints *) |
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Fixed type/term variables and polymorphic term abbreviations.
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diff
changeset
|
234 |
|
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4341e4d86872
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|
235 |
fun constrain_tvar (xi, raw_S) = |
49688 | 236 |
let val S = #2 (Term_Position.decode_positionS raw_S) |
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|
237 |
in if S = dummyS then Vartab.delete_safe xi else Vartab.update (xi, S) end; |
21355 | 238 |
|
20162 | 239 |
fun declare_constraints t = map_constraints (fn (types, sorts) => |
240 |
let |
|
241 |
val types' = fold_aterms |
|
62955
2fd4378caca2
back to dummy constraints (amending dd2914250ca7): important for Syntax_Phases.get_free/is_declared;
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changeset
|
242 |
(fn Free (x, T) => Vartab.update ((x, ~1), T) |
2fd4378caca2
back to dummy constraints (amending dd2914250ca7): important for Syntax_Phases.get_free/is_declared;
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parents:
62771
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changeset
|
243 |
| Var v => Vartab.update v |
20162 | 244 |
| _ => I) t types; |
45426 | 245 |
val sorts' = (fold_types o fold_atyps) |
21355 | 246 |
(fn TFree (x, S) => constrain_tvar ((x, ~1), S) |
247 |
| TVar v => constrain_tvar v |
|
45426 | 248 |
| _ => I) t sorts; |
20162 | 249 |
in (types', sorts') end) |
24719
21d1cdab2d8c
declare_constraints: declare (fix) type variables within constraints, but not terms themselves;
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changeset
|
250 |
#> declare_type_occsT t |
22711 | 251 |
#> declare_type_names t; |
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|
252 |
|
20162 | 253 |
|
254 |
(* common declarations *) |
|
255 |
||
256 |
fun declare_internal t = |
|
257 |
declare_names t #> |
|
28625 | 258 |
declare_type_occs t #> |
61508 | 259 |
Thm.declare_term_sorts t; |
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300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
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changeset
|
260 |
|
20162 | 261 |
fun declare_term t = |
262 |
declare_internal t #> |
|
263 |
declare_constraints t; |
|
19899
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Fixed type/term variables and polymorphic term abbreviations.
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diff
changeset
|
264 |
|
27280 | 265 |
val declare_typ = declare_term o Logic.mk_type; |
266 |
||
20303 | 267 |
val declare_prf = Proofterm.fold_proof_terms declare_internal (declare_internal o Logic.mk_type); |
268 |
||
22691 | 269 |
val declare_thm = Thm.fold_terms declare_internal; |
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Fixed type/term variables and polymorphic term abbreviations.
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parents:
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changeset
|
270 |
|
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
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parents:
diff
changeset
|
271 |
|
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Fixed type/term variables and polymorphic term abbreviations.
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parents:
diff
changeset
|
272 |
(* renaming term/type frees *) |
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diff
changeset
|
273 |
|
20162 | 274 |
fun variant_frees ctxt ts frees = |
19899
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Fixed type/term variables and polymorphic term abbreviations.
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diff
changeset
|
275 |
let |
20162 | 276 |
val names = names_of (fold declare_names ts ctxt); |
43326
47cf4bc789aa
simplified Name.variant -- discontinued builtin fold_map;
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parents:
42495
diff
changeset
|
277 |
val xs = fst (fold_map Name.variant (map #1 frees) names); |
20084 | 278 |
in xs ~~ map snd frees end; |
19899
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Fixed type/term variables and polymorphic term abbreviations.
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parents:
diff
changeset
|
279 |
|
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
280 |
|
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Fixed type/term variables and polymorphic term abbreviations.
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parents:
diff
changeset
|
281 |
|
20303 | 282 |
(** term bindings **) |
283 |
||
60401 | 284 |
fun bind_term ((x, i), t) = |
285 |
let |
|
286 |
val u = Term.close_schematic_term t; |
|
287 |
val U = Term.fastype_of u; |
|
288 |
in declare_term u #> map_binds (Vartab.update ((x, i), (U, u))) end; |
|
289 |
||
290 |
val unbind_term = map_binds o Vartab.delete_safe; |
|
291 |
||
292 |
fun maybe_bind_term (xi, SOME t) = bind_term (xi, t) |
|
293 |
| maybe_bind_term (xi, NONE) = unbind_term xi; |
|
20303 | 294 |
|
295 |
fun expand_binds ctxt = |
|
296 |
let |
|
297 |
val binds = binds_of ctxt; |
|
21799 | 298 |
val get = fn Var (xi, _) => Vartab.lookup binds xi | _ => NONE; |
299 |
in Envir.beta_norm o Envir.expand_term get end; |
|
20303 | 300 |
|
301 |
||
302 |
||
25325 | 303 |
(** consts **) |
25316
17c183417f93
added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents:
25051
diff
changeset
|
304 |
|
25325 | 305 |
val lookup_const = Symtab.lookup o #consts o rep_data; |
306 |
val is_const = is_some oo lookup_const; |
|
25316
17c183417f93
added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents:
25051
diff
changeset
|
307 |
|
25325 | 308 |
val declare_fixed = map_consts o Symtab.delete_safe; |
309 |
val declare_const = map_consts o Symtab.update; |
|
25316
17c183417f93
added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents:
25051
diff
changeset
|
310 |
|
17c183417f93
added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents:
25051
diff
changeset
|
311 |
|
17c183417f93
added is_const/declare_const for local scope of fixes/consts;
wenzelm
parents:
25051
diff
changeset
|
312 |
|
55014
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
313 |
(** bounds **) |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
314 |
|
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
315 |
fun next_bound (a, T) ctxt = |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
316 |
let |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
317 |
val b = Name.bound (#1 (#bounds (rep_data ctxt))); |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
318 |
val ctxt' = ctxt |> map_bounds (fn (next, bounds) => (next + 1, ((b, T), a) :: bounds)); |
55635 | 319 |
in (Free (b, T), ctxt') end; |
55014
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
320 |
|
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
321 |
fun revert_bounds ctxt t = |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
322 |
(case #2 (#bounds (rep_data ctxt)) of |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
323 |
[] => t |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
324 |
| bounds => |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
325 |
let |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
326 |
val names = Term.declare_term_names t (names_of ctxt); |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
327 |
val xs = rev (#1 (fold_map Name.variant (rev (map #2 bounds)) names)); |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
328 |
fun subst ((b, T), _) x' = (Free (b, T), Syntax_Trans.mark_bound_abs (x', T)); |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
329 |
in Term.subst_atomic (map2 subst bounds xs) t end); |
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
330 |
|
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
331 |
|
a93f496f6c30
general notion of auxiliary bounds within context;
wenzelm
parents:
54740
diff
changeset
|
332 |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
333 |
(** fixes **) |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
334 |
|
59798 | 335 |
(* inner body mode *) |
336 |
||
337 |
val inner_body = |
|
64556 | 338 |
Config.bool (Config.declare ("inner_body", \<^here>) (K (Config.Bool false))); |
59798 | 339 |
|
340 |
fun is_body ctxt = Config.get ctxt inner_body; |
|
341 |
val set_body = Config.put inner_body; |
|
342 |
fun restore_body ctxt = set_body (is_body ctxt); |
|
343 |
||
344 |
||
59790 | 345 |
(* proper mode *) |
346 |
||
347 |
val proper_fixes = |
|
64556 | 348 |
Config.bool (Config.declare ("proper_fixes", \<^here>) (K (Config.Bool true))); |
59790 | 349 |
|
350 |
val improper_fixes = Config.put proper_fixes false; |
|
351 |
fun restore_proper_fixes ctxt = Config.put proper_fixes (Config.get ctxt proper_fixes); |
|
352 |
||
353 |
fun is_improper ctxt x = |
|
59884 | 354 |
(case Name_Space.lookup (fixes_of ctxt) x of |
355 |
SOME (_, proper) => not proper |
|
59790 | 356 |
| NONE => false); |
357 |
||
358 |
||
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
359 |
(* specialized name space *) |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
360 |
|
59883 | 361 |
val is_fixed = Name_Space.defined o fixes_of; |
59846 | 362 |
fun is_newly_fixed inner outer = is_fixed inner andf (not o is_fixed outer); |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
363 |
|
42493
01430341fc79
more informative markup for fixed variables (via name space entry);
wenzelm
parents:
42488
diff
changeset
|
364 |
val fixed_ord = Name_Space.entry_ord o fixes_space; |
01430341fc79
more informative markup for fixed variables (via name space entry);
wenzelm
parents:
42488
diff
changeset
|
365 |
val intern_fixed = Name_Space.intern o fixes_space; |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
366 |
|
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
367 |
fun lookup_fixed ctxt x = |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
368 |
let val x' = intern_fixed ctxt x |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
369 |
in if is_fixed ctxt x' then SOME x' else NONE end; |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
370 |
|
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
371 |
fun revert_fixed ctxt x = |
59884 | 372 |
(case Name_Space.lookup (fixes_of ctxt) x of |
373 |
SOME (x', _) => if intern_fixed ctxt x' = x then x' else x |
|
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
374 |
| NONE => x); |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
375 |
|
45472 | 376 |
fun markup_fixed ctxt x = |
377 |
Name_Space.markup (fixes_space ctxt) x |
|
378 |
|> Markup.name (revert_fixed ctxt x); |
|
379 |
||
62987
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
380 |
fun markup ctxt x = |
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
381 |
if is_improper ctxt x then Markup.improper |
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
382 |
else if Name.is_skolem x then Markup.skolem |
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
383 |
else Markup.free; |
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
384 |
|
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
385 |
val markup_entity_def = Name_Space.markup_def o fixes_space; |
dc8a8a7559e7
highlighting of entity def/ref positions wrt. cursor;
wenzelm
parents:
62955
diff
changeset
|
386 |
|
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
387 |
fun dest_fixes ctxt = |
59790 | 388 |
Name_Space.fold_table (fn (x, (y, _)) => cons (y, x)) (fixes_of ctxt) [] |
59058
a78612c67ec0
renamed "pairself" to "apply2", in accordance to @{apply 2};
wenzelm
parents:
58668
diff
changeset
|
389 |
|> sort (Name_Space.entry_ord (fixes_space ctxt) o apply2 #2); |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
390 |
|
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
391 |
|
42482 | 392 |
(* collect variables *) |
393 |
||
394 |
fun add_free_names ctxt = |
|
395 |
fold_aterms (fn Free (x, _) => not (is_fixed ctxt x) ? insert (op =) x | _ => I); |
|
396 |
||
397 |
fun add_frees ctxt = |
|
398 |
fold_aterms (fn Free (x, T) => not (is_fixed ctxt x) ? insert (op =) (x, T) | _ => I); |
|
399 |
||
400 |
fun add_fixed_names ctxt = |
|
401 |
fold_aterms (fn Free (x, _) => is_fixed ctxt x ? insert (op =) x | _ => I); |
|
402 |
||
403 |
fun add_fixed ctxt = |
|
404 |
fold_aterms (fn Free (x, T) => is_fixed ctxt x ? insert (op =) (x, T) | _ => I); |
|
405 |
||
59846 | 406 |
fun add_newly_fixed ctxt' ctxt = |
407 |
fold_aterms (fn Free (x, T) => is_newly_fixed ctxt' ctxt x ? insert (op =) (x, T) | _ => I); |
|
408 |
||
42482 | 409 |
|
410 |
(* declarations *) |
|
411 |
||
20084 | 412 |
local |
413 |
||
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
414 |
fun err_dups dups = |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
415 |
error ("Duplicate fixed variable(s): " ^ commas (map Binding.print dups)); |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
416 |
|
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
417 |
fun new_fixed ((x, x'), pos) ctxt = |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
418 |
if is_some (lookup_fixed ctxt x') then err_dups [Binding.make (x, pos)] |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
419 |
else |
59790 | 420 |
let |
421 |
val proper = Config.get ctxt proper_fixes; |
|
61949 | 422 |
val context = Context.Proof ctxt |
423 |
|> Name_Space.map_naming (K Name_Space.global_naming) |
|
424 |
|> Context_Position.set_visible_generic false; |
|
59790 | 425 |
in |
47005
421760a1efe7
maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents:
46869
diff
changeset
|
426 |
ctxt |
421760a1efe7
maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents:
46869
diff
changeset
|
427 |
|> map_fixes |
59790 | 428 |
(Name_Space.define context true (Binding.make (x', pos), (x, proper)) #> snd #> |
58668 | 429 |
Name_Space.alias_table Name_Space.global_naming (Binding.make (x, pos)) x') |
47005
421760a1efe7
maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents:
46869
diff
changeset
|
430 |
|> declare_fixed x |
421760a1efe7
maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents:
46869
diff
changeset
|
431 |
|> declare_constraints (Syntax.free x') |
421760a1efe7
maintain generic context naming in structure Name_Space (NB: empty = default_naming, init = local_naming);
wenzelm
parents:
46869
diff
changeset
|
432 |
end; |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
433 |
|
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
434 |
fun new_fixes names' xs xs' ps = |
20102 | 435 |
map_names (K names') #> |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
436 |
fold new_fixed ((xs ~~ xs') ~~ ps) #> |
20084 | 437 |
pair xs'; |
438 |
||
439 |
in |
|
440 |
||
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
441 |
fun add_fixes_binding bs ctxt = |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
442 |
let |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
443 |
val _ = |
55948 | 444 |
(case filter (Name.is_skolem o Binding.name_of) bs of |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
445 |
[] => () |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
446 |
| bads => error ("Illegal internal Skolem constant(s): " ^ commas (map Binding.print bads))); |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
447 |
val _ = |
59058
a78612c67ec0
renamed "pairself" to "apply2", in accordance to @{apply 2};
wenzelm
parents:
58668
diff
changeset
|
448 |
(case duplicates (op = o apply2 Binding.name_of) bs of |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
449 |
[] => () |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
450 |
| dups => err_dups dups); |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
451 |
|
42494 | 452 |
val xs = map check_name bs; |
20102 | 453 |
val names = names_of ctxt; |
20084 | 454 |
val (xs', names') = |
43326
47cf4bc789aa
simplified Name.variant -- discontinued builtin fold_map;
wenzelm
parents:
42495
diff
changeset
|
455 |
if is_body ctxt then fold_map Name.variant xs names |>> map Name.skolem |
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
456 |
else (xs, fold Name.declare xs names); |
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
457 |
in ctxt |> new_fixes names' xs xs' (map Binding.pos_of bs) end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
458 |
|
60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
459 |
fun bound_fixes xs ctxt = |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
460 |
let |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
461 |
val (xs', ctxt') = fold_map next_bound xs ctxt; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
462 |
val no_ps = replicate (length xs) Position.none; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
463 |
in ctxt' |> new_fixes (names_of ctxt') (map #1 xs) (map (#1 o dest_Free) xs') no_ps end; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
464 |
|
20797
c1f0bc7e7d80
renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents:
20579
diff
changeset
|
465 |
fun variant_fixes raw_xs ctxt = |
20084 | 466 |
let |
20102 | 467 |
val names = names_of ctxt; |
55948 | 468 |
val xs = map (fn x => Name.clean x |> Name.is_internal x ? Name.internal) raw_xs; |
43326
47cf4bc789aa
simplified Name.variant -- discontinued builtin fold_map;
wenzelm
parents:
42495
diff
changeset
|
469 |
val (xs', names') = fold_map Name.variant xs names |>> (is_body ctxt ? map Name.skolem); |
60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
470 |
val no_ps = replicate (length xs) Position.none; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
471 |
in ctxt |> new_fixes names' xs xs' no_ps end; |
20084 | 472 |
|
473 |
end; |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
474 |
|
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
475 |
val add_fixes = add_fixes_binding o map Binding.name; |
20251 | 476 |
|
477 |
fun add_fixes_direct xs ctxt = ctxt |
|
478 |
|> set_body false |
|
479 |
|> (snd o add_fixes xs) |
|
480 |
|> restore_body ctxt; |
|
481 |
||
42482 | 482 |
fun auto_fixes t ctxt = ctxt |
483 |
|> not (is_body ctxt) ? add_fixes_direct (rev (add_free_names ctxt t [])) |
|
20251 | 484 |
|> declare_term t; |
485 |
||
59796 | 486 |
|
487 |
(* dummy patterns *) |
|
488 |
||
489 |
fun fix_dummy_patterns (Const ("Pure.dummy_pattern", T)) ctxt = |
|
61923
a10cc7fb1841
clarified context policy to allow multiple dummies;
wenzelm
parents:
61508
diff
changeset
|
490 |
let val ([x], ctxt') = ctxt |> set_body true |> add_fixes [Name.uu_] ||> restore_body ctxt |
59796 | 491 |
in (Free (x, T), ctxt') end |
492 |
| fix_dummy_patterns (Abs (x, T, b)) ctxt = |
|
493 |
let val (b', ctxt') = fix_dummy_patterns b ctxt |
|
494 |
in (Abs (x, T, b'), ctxt') end |
|
495 |
| fix_dummy_patterns (t $ u) ctxt = |
|
496 |
let |
|
497 |
val (t', ctxt') = fix_dummy_patterns t ctxt; |
|
498 |
val (u', ctxt'') = fix_dummy_patterns u ctxt'; |
|
499 |
in (t' $ u', ctxt'') end |
|
500 |
| fix_dummy_patterns a ctxt = (a, ctxt); |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
501 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
502 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
503 |
|
22671 | 504 |
(** export -- generalize type/term variables (beware of closure sizes) **) |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
505 |
|
60823 | 506 |
fun gen_all ctxt th = |
507 |
let |
|
508 |
val i = Thm.maxidx_thm th (maxidx_of ctxt) + 1; |
|
509 |
fun gen (x, T) = Thm.forall_elim (Thm.cterm_of ctxt (Var ((x, i), T))); |
|
510 |
in fold gen (Drule.outer_params (Thm.prop_of th)) th end; |
|
60822 | 511 |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
512 |
fun export_inst inner outer = |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
513 |
let |
20162 | 514 |
val declared_outer = is_declared outer; |
59846 | 515 |
val still_fixed = not o is_newly_fixed inner outer; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
516 |
|
42488
4638622bcaa1
reorganized fixes as specialized (global) name space;
wenzelm
parents:
42482
diff
changeset
|
517 |
val gen_fixes = |
56025 | 518 |
Name_Space.fold_table (fn (y, _) => not (is_fixed outer y) ? cons y) |
519 |
(fixes_of inner) []; |
|
22671 | 520 |
|
521 |
val type_occs_inner = type_occs_of inner; |
|
522 |
fun gen_fixesT ts = |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
523 |
Symtab.fold (fn (a, xs) => |
20162 | 524 |
if declared_outer a orelse exists still_fixed xs |
22671 | 525 |
then I else cons a) (fold decl_type_occs ts type_occs_inner) []; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
526 |
in (gen_fixesT, gen_fixes) end; |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
527 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
528 |
fun exportT_inst inner outer = #1 (export_inst inner outer); |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
529 |
|
22671 | 530 |
fun exportT_terms inner outer = |
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
531 |
let |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
532 |
val mk_tfrees = exportT_inst inner outer; |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
533 |
val maxidx = maxidx_of outer; |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
534 |
in |
22671 | 535 |
fn ts => ts |> map |
31977 | 536 |
(Term_Subst.generalize (mk_tfrees ts, []) |
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
537 |
(fold (Term.fold_types Term.maxidx_typ) ts maxidx + 1)) |
22671 | 538 |
end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
539 |
|
22671 | 540 |
fun export_terms inner outer = |
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
541 |
let |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
542 |
val (mk_tfrees, tfrees) = export_inst inner outer; |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
543 |
val maxidx = maxidx_of outer; |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
544 |
in |
22671 | 545 |
fn ts => ts |> map |
31977 | 546 |
(Term_Subst.generalize (mk_tfrees ts, tfrees) |
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
547 |
(fold Term.maxidx_term ts maxidx + 1)) |
22671 | 548 |
end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
549 |
|
20303 | 550 |
fun export_prf inner outer prf = |
551 |
let |
|
22671 | 552 |
val (mk_tfrees, frees) = export_inst (declare_prf prf inner) outer; |
553 |
val tfrees = mk_tfrees []; |
|
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
554 |
val maxidx = maxidx_of outer; |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
555 |
val idx = Proofterm.maxidx_proof prf maxidx + 1; |
36620
e6bb250402b5
simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
wenzelm
parents:
36610
diff
changeset
|
556 |
val gen_term = Term_Subst.generalize_same (tfrees, frees) idx; |
e6bb250402b5
simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
wenzelm
parents:
36610
diff
changeset
|
557 |
val gen_typ = Term_Subst.generalizeT_same tfrees idx; |
e6bb250402b5
simplified/unified fundamental operations on types/terms/proofterms -- prefer Same.operation over "option" variant;
wenzelm
parents:
36610
diff
changeset
|
558 |
in Same.commit (Proofterm.map_proof_terms_same gen_term gen_typ) prf end; |
20303 | 559 |
|
22671 | 560 |
|
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
561 |
fun gen_export (mk_tfrees, frees) maxidx ths = |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
562 |
let |
22671 | 563 |
val tfrees = mk_tfrees (map Thm.full_prop_of ths); |
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
564 |
val idx = fold Thm.maxidx_thm ths maxidx + 1; |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
565 |
in map (Thm.generalize (tfrees, frees) idx) ths end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
566 |
|
59645
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
567 |
fun exportT inner outer = gen_export (exportT_inst inner outer, []) (maxidx_of outer); |
f89464e9ffa0
clarified Variable.export: observe maxidx of target context;
wenzelm
parents:
59623
diff
changeset
|
568 |
fun export inner outer = gen_export (export_inst inner outer) (maxidx_of outer); |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
569 |
|
21522 | 570 |
fun export_morphism inner outer = |
571 |
let |
|
572 |
val fact = export inner outer; |
|
573 |
val term = singleton (export_terms inner outer); |
|
574 |
val typ = Logic.type_map term; |
|
54740 | 575 |
in |
576 |
Morphism.morphism "Variable.export" {binding = [], typ = [typ], term = [term], fact = [fact]} |
|
577 |
end; |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
578 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
579 |
|
24765 | 580 |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
581 |
(** import -- fix schematic type/term variables **) |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
582 |
|
59796 | 583 |
fun invent_types Ss ctxt = |
584 |
let |
|
585 |
val tfrees = Name.invent (names_of ctxt) Name.aT (length Ss) ~~ Ss; |
|
586 |
val ctxt' = fold (declare_constraints o Logic.mk_type o TFree) tfrees ctxt; |
|
587 |
in (tfrees, ctxt') end; |
|
588 |
||
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
589 |
fun importT_inst ts ctxt = |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
590 |
let |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
591 |
val tvars = rev (fold Term.add_tvars ts []); |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
592 |
val (tfrees, ctxt') = invent_types (map #2 tvars) ctxt; |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
593 |
in (tvars ~~ map TFree tfrees, ctxt') end; |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
594 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
595 |
fun import_inst is_open ts ctxt = |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
596 |
let |
26714
4773b832f1b1
variant_fixes: preserve internal state, mark skolem only for body mode;
wenzelm
parents:
25573
diff
changeset
|
597 |
val ren = Name.clean #> (if is_open then I else Name.internal); |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
598 |
val (instT, ctxt') = importT_inst ts ctxt; |
31977 | 599 |
val vars = map (apsnd (Term_Subst.instantiateT instT)) (rev (fold Term.add_vars ts [])); |
20797
c1f0bc7e7d80
renamed Variable.invent_fixes to Variable.variant_fixes;
wenzelm
parents:
20579
diff
changeset
|
600 |
val (xs, ctxt'') = variant_fixes (map (ren o #1 o #1) vars) ctxt'; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
601 |
val inst = vars ~~ map Free (xs ~~ map #2 vars); |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
602 |
in ((instT, inst), ctxt'') end; |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
603 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
604 |
fun importT_terms ts ctxt = |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
605 |
let val (instT, ctxt') = importT_inst ts ctxt |
31977 | 606 |
in (map (Term_Subst.instantiate (instT, [])) ts, ctxt') end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
607 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
608 |
fun import_terms is_open ts ctxt = |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
609 |
let val (inst, ctxt') = import_inst is_open ts ctxt |
31977 | 610 |
in (map (Term_Subst.instantiate inst) ts, ctxt') end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
611 |
|
31794
71af1fd6a5e4
renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents:
30756
diff
changeset
|
612 |
fun importT ths ctxt = |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
613 |
let |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
614 |
val (instT, ctxt') = importT_inst (map Thm.full_prop_of ths) ctxt; |
60805 | 615 |
val instT' = map (apsnd (Thm.ctyp_of ctxt')) instT; |
616 |
val ths' = map (Thm.instantiate (instT', [])) ths; |
|
32280
4fb3f426052a
Variable.importT/import: return full instantiations, tuned;
wenzelm
parents:
32199
diff
changeset
|
617 |
in ((instT', ths'), ctxt') end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
618 |
|
20303 | 619 |
fun import_prf is_open prf ctxt = |
620 |
let |
|
621 |
val ts = rev (Proofterm.fold_proof_terms cons (cons o Logic.mk_type) prf []); |
|
622 |
val (insts, ctxt') = import_inst is_open ts ctxt; |
|
623 |
in (Proofterm.instantiate insts prf, ctxt') end; |
|
624 |
||
31794
71af1fd6a5e4
renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents:
30756
diff
changeset
|
625 |
fun import is_open ths ctxt = |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
626 |
let |
60805 | 627 |
val ((instT, inst), ctxt') = import_inst is_open (map Thm.full_prop_of ths) ctxt; |
628 |
val insts' = |
|
629 |
(map (apsnd (Thm.ctyp_of ctxt')) instT, |
|
630 |
map (apsnd (Thm.cterm_of ctxt')) inst); |
|
32280
4fb3f426052a
Variable.importT/import: return full instantiations, tuned;
wenzelm
parents:
32199
diff
changeset
|
631 |
val ths' = map (Thm.instantiate insts') ths; |
4fb3f426052a
Variable.importT/import: return full instantiations, tuned;
wenzelm
parents:
32199
diff
changeset
|
632 |
in ((insts', ths'), ctxt') end; |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
633 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
634 |
|
19926 | 635 |
(* import/export *) |
636 |
||
21287 | 637 |
fun gen_trade imp exp f ctxt ths = |
20220 | 638 |
let val ((_, ths'), ctxt') = imp ths ctxt |
21287 | 639 |
in exp ctxt' ctxt (f ctxt' ths') end; |
19926 | 640 |
|
31794
71af1fd6a5e4
renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents:
30756
diff
changeset
|
641 |
val tradeT = gen_trade importT exportT; |
71af1fd6a5e4
renamed Variable.import_thms to Variable.import (back again cf. ed7aa5a350ef -- Alice is no longer supported);
wenzelm
parents:
30756
diff
changeset
|
642 |
val trade = gen_trade (import true) export; |
19926 | 643 |
|
644 |
||
67721 | 645 |
(* focus on outermost parameters: \<And>x y z. B *) |
42495
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
646 |
|
60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
647 |
val bound_focus = |
64556 | 648 |
Config.bool (Config.declare ("bound_focus", \<^here>) (K (Config.Bool false))); |
60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
649 |
|
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
650 |
fun is_bound_focus ctxt = Config.get ctxt bound_focus; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
651 |
val set_bound_focus = Config.put bound_focus; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
652 |
fun restore_bound_focus ctxt = set_bound_focus (is_bound_focus ctxt); |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
653 |
|
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
654 |
fun focus_params bindings t ctxt = |
42495
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
655 |
let |
60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
656 |
val ps = Term.variant_frees t (Term.strip_all_vars t); (*as they are printed :-*) |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
657 |
val (xs, Ts) = split_list ps; |
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
658 |
val (xs', ctxt') = |
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
659 |
(case bindings of |
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
660 |
SOME bs => ctxt |> set_body true |> add_fixes_binding bs ||> restore_body ctxt |
60707
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
661 |
| NONE => if is_bound_focus ctxt then bound_fixes ps ctxt else variant_fixes xs ctxt); |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
662 |
val ps' = xs' ~~ Ts; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
663 |
val ctxt'' = ctxt' |> fold (declare_constraints o Free) ps'; |
e96b7be56d44
SUBPROOF and Subgoal.FOCUS combinators use anonymous quasi-bound variables (like the Simplifier);
wenzelm
parents:
60695
diff
changeset
|
664 |
in ((xs, ps'), ctxt'') end; |
42495
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
665 |
|
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
666 |
fun focus bindings t ctxt = |
42495
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
667 |
let |
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
668 |
val ((xs, ps), ctxt') = focus_params bindings t ctxt; |
42495
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
669 |
val t' = Term.subst_bounds (rev (map Free ps), Term.strip_all_body t); |
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
670 |
in (((xs ~~ ps), t'), ctxt') end; |
20149 | 671 |
|
672 |
fun forall_elim_prop t prop = |
|
46497
89ccf66aa73d
renamed Thm.capply to Thm.apply, and Thm.cabs to Thm.lambda in conformance with similar operations in structure Term and Logic;
wenzelm
parents:
45666
diff
changeset
|
673 |
Thm.beta_conversion false (Thm.apply (Thm.dest_arg prop) t) |
20579 | 674 |
|> Thm.cprop_of |> Thm.dest_arg; |
20149 | 675 |
|
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
676 |
fun focus_cterm bindings goal ctxt = |
20149 | 677 |
let |
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
678 |
val ((xs, ps), ctxt') = focus_params bindings (Thm.term_of goal) ctxt; |
59623 | 679 |
val ps' = map (Thm.cterm_of ctxt' o Free) ps; |
20220 | 680 |
val goal' = fold forall_elim_prop ps' goal; |
42495
1af81b70cf09
clarified Variable.focus vs. Variable.focus_cterm -- eliminated clone;
wenzelm
parents:
42494
diff
changeset
|
681 |
in ((xs ~~ ps', goal'), ctxt') end; |
20149 | 682 |
|
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
683 |
fun focus_subgoal bindings i st = |
20303 | 684 |
let |
22691 | 685 |
val all_vars = Thm.fold_terms Term.add_vars st []; |
20303 | 686 |
in |
60401 | 687 |
fold (unbind_term o #1) all_vars #> |
20303 | 688 |
fold (declare_constraints o Var) all_vars #> |
60695
757549b4bbe6
Variable.focus etc.: optional bindings provided by user;
wenzelm
parents:
60642
diff
changeset
|
689 |
focus_cterm bindings (Thm.cprem_of st i) |
20303 | 690 |
end; |
691 |
||
692 |
||
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
693 |
|
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
694 |
(** implicit polymorphism **) |
19899
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
695 |
|
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
696 |
(* warn_extra_tfrees *) |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
697 |
|
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
698 |
fun warn_extra_tfrees ctxt1 ctxt2 = |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
699 |
let |
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
700 |
fun occs_typ a = Term.exists_subtype (fn TFree (b, _) => a = b | _ => false); |
20162 | 701 |
fun occs_free a x = |
702 |
(case def_type ctxt1 false (x, ~1) of |
|
703 |
SOME T => if occs_typ a T then I else cons (a, x) |
|
704 |
| NONE => cons (a, x)); |
|
19899
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
705 |
|
20162 | 706 |
val occs1 = type_occs_of ctxt1; |
707 |
val occs2 = type_occs_of ctxt2; |
|
19911
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
708 |
val extras = Symtab.fold (fn (a, xs) => |
300bc6ce970d
major reworking of export functionality -- based on Term/Thm.generalize;
wenzelm
parents:
19899
diff
changeset
|
709 |
if Symtab.defined occs1 a then I else fold (occs_free a) xs) occs2 []; |
19899
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
710 |
val tfrees = map #1 extras |> sort_distinct string_ord; |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
711 |
val frees = map #2 extras |> sort_distinct string_ord; |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
712 |
in |
38831
4933a3dfd745
more careful treatment of context visibility flag wrt. spurious warnings;
wenzelm
parents:
37145
diff
changeset
|
713 |
if null extras orelse not (Context_Position.is_visible ctxt2) then () |
19899
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
714 |
else warning ("Introduced fixed type variable(s): " ^ commas tfrees ^ " in " ^ |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
715 |
space_implode " or " (map quote frees)) |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
716 |
end; |
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
717 |
|
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
718 |
|
20149 | 719 |
(* polymorphic terms *) |
19899
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
720 |
|
24694 | 721 |
fun polymorphic_types ctxt ts = |
20003 | 722 |
let |
723 |
val ctxt' = fold declare_term ts ctxt; |
|
20162 | 724 |
val occs = type_occs_of ctxt; |
725 |
val occs' = type_occs_of ctxt'; |
|
726 |
val types = Symtab.fold (fn (a, _) => if Symtab.defined occs a then I else cons a) occs' []; |
|
24765 | 727 |
val idx = maxidx_of ctxt' + 1; |
24694 | 728 |
val Ts' = (fold o fold_types o fold_atyps) |
729 |
(fn T as TFree _ => |
|
31977 | 730 |
(case Term_Subst.generalizeT types idx T of TVar v => insert (op =) v | _ => I) |
24694 | 731 |
| _ => I) ts []; |
31977 | 732 |
val ts' = map (Term_Subst.generalize (types, []) idx) ts; |
24694 | 733 |
in (rev Ts', ts') end; |
734 |
||
735 |
fun polymorphic ctxt ts = snd (polymorphic_types ctxt ts); |
|
20003 | 736 |
|
19899
b7385ca02d79
Fixed type/term variables and polymorphic term abbreviations.
wenzelm
parents:
diff
changeset
|
737 |
end; |