author  wenzelm 
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changeset 22587  5454b06320fb 
parent 22358  4d8a9e3a29f8 
child 22670  c803b2696ada 
permissions  rwrr 
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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: elevates primitive local 
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reasoning Gamma  phi to a structured concept, with generic context 

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elements. See also structure Variable and Assumption. 
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*) 
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signature PROOF_CONTEXT = 

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sig 

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val theory_of: Proof.context > theory 
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val init: theory > Proof.context 

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val is_stmt: Proof.context > bool 
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val set_stmt: bool > Proof.context > Proof.context 
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val restore_stmt: Proof.context > Proof.context > Proof.context 
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val naming_of: Proof.context > NameSpace.naming 
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val full_name: Proof.context > bstring > string 
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val consts_of: Proof.context > Consts.T 

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val const_syntax_name: Proof.context > string > string 
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val set_syntax_mode: Syntax.mode > Proof.context > Proof.context 
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val restore_syntax_mode: Proof.context > Proof.context > Proof.context 
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val theorems_of: Proof.context > thm list NameSpace.table 
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val fact_index_of: Proof.context > FactIndex.T 
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val transfer: theory > Proof.context > Proof.context 

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val theory: (theory > theory) > Proof.context > Proof.context 
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val theory_result: (theory > 'a * theory) > Proof.context > 'a * Proof.context 

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val pretty_term: Proof.context > term > Pretty.T 
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val pretty_term_abbrev: Proof.context > term > Pretty.T 
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val pretty_typ: Proof.context > typ > Pretty.T 
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val pretty_sort: Proof.context > sort > Pretty.T 

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val pretty_classrel: Proof.context > class list > Pretty.T 

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val pretty_arity: Proof.context > arity > Pretty.T 

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val pp: Proof.context > Pretty.pp 

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val pretty_thm_legacy: bool > thm > Pretty.T 
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val pretty_thm: Proof.context > thm > Pretty.T 
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val pretty_thms: Proof.context > thm list > Pretty.T 

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val pretty_fact: Proof.context > string * thm list > Pretty.T 

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val pretty_proof: Proof.context > Proofterm.proof > Pretty.T 

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val pretty_proof_of: Proof.context > bool > thm > Pretty.T 

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val string_of_typ: Proof.context > typ > string 

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val string_of_term: Proof.context > term > string 

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val string_of_thm: Proof.context > thm > string 

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val read_typ: Proof.context > string > typ 

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val read_typ_syntax: Proof.context > string > typ 

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val read_typ_abbrev: Proof.context > string > typ 

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val cert_typ: Proof.context > typ > typ 

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val cert_typ_syntax: Proof.context > typ > typ 

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val cert_typ_abbrev: Proof.context > typ > typ 

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val get_skolem: Proof.context > string > string 

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val revert_skolem: Proof.context > string > string 

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val revert_skolems: Proof.context > term > term 

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val read_termTs: Proof.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: Proof.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: Proof.context > string > term 
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val read_term: Proof.context > string > term 

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val read_prop: Proof.context > string > term 

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val read_prop_schematic: Proof.context > string > term 

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val read_term_pats: typ > Proof.context > string list > term list 

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val read_prop_pats: Proof.context > string list > term list 

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val read_term_abbrev: Proof.context > string > term 
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val cert_term: Proof.context > term > term 
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val cert_prop: Proof.context > term > term 

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val cert_term_pats: typ > Proof.context > term list > term list 

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val cert_prop_pats: Proof.context > term list > term list 

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val infer_type: Proof.context > string > typ 

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val inferred_param: string > Proof.context > (string * typ) * Proof.context 

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val inferred_fixes: Proof.context > (string * typ) list * Proof.context 

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val read_tyname: Proof.context > string > typ 

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val read_const: Proof.context > string > term 

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val goal_export: Proof.context > Proof.context > thm list > thm list 

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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 add_binds: (indexname * string option) list > Proof.context > Proof.context 
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val add_binds_i: (indexname * term option) list > Proof.context > Proof.context 

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val auto_bind_goal: term list > Proof.context > Proof.context 

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val auto_bind_facts: term list > Proof.context > Proof.context 

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val match_bind: bool > (string list * string) list > Proof.context > term list * Proof.context 

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val match_bind_i: bool > (term list * term) list > Proof.context > term list * Proof.context 

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val read_propp: Proof.context * (string * string list) list list 

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> Proof.context * (term * term list) list list 

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val cert_propp: Proof.context * (term * term list) list list 

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> Proof.context * (term * term list) list list 

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val read_propp_schematic: Proof.context * (string * string list) list list 

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> Proof.context * (term * term list) list list 

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val cert_propp_schematic: Proof.context * (term * term list) list list 

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> Proof.context * (term * term list) list list 

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val bind_propp: Proof.context * (string * string list) list list 

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> Proof.context * (term list list * (Proof.context > Proof.context)) 

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val bind_propp_i: Proof.context * (term * term list) list list 

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> Proof.context * (term list list * (Proof.context > Proof.context)) 

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val bind_propp_schematic: Proof.context * (string * string list) list list 

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> Proof.context * (term list list * (Proof.context > Proof.context)) 

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val bind_propp_schematic_i: Proof.context * (term * term list) list list 

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> Proof.context * (term list list * (Proof.context > Proof.context)) 

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val fact_tac: thm list > int > tactic 
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val some_fact_tac: Proof.context > int > tactic 
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val get_thm: Proof.context > thmref > thm 

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val get_thm_closure: Proof.context > thmref > thm 

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val get_thms: Proof.context > thmref > thm list 

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val get_thms_closure: Proof.context > thmref > thm list 

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val valid_thms: Proof.context > string * thm list > bool 

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val lthms_containing: Proof.context > FactIndex.spec > (string * thm list) list 

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val add_path: string > Proof.context > Proof.context 
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val no_base_names: Proof.context > Proof.context 
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val qualified_names: Proof.context > Proof.context 

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val sticky_prefix: string > Proof.context > Proof.context 

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val restore_naming: Proof.context > Proof.context > Proof.context 

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val reset_naming: Proof.context > Proof.context 
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val hide_thms: bool > string list > Proof.context > Proof.context 
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val put_thms: string * thm list option > Proof.context > Proof.context 
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val note_thmss: string > 
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((bstring * attribute list) * (thmref * attribute list) list) list > 
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Proof.context > (bstring * thm list) list * Proof.context 
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val note_thmss_i: string > 
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((bstring * attribute list) * (thm list * attribute list) list) list > 
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Proof.context > (bstring * thm list) list * Proof.context 
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val read_vars: (string * string option * mixfix) list > Proof.context > 

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(string * typ option * mixfix) list * Proof.context 

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val cert_vars: (string * typ option * mixfix) list > Proof.context > 

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(string * typ option * mixfix) list * Proof.context 

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val read_vars_legacy: (string * string option * mixfix) list > Proof.context > 

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(string * typ option * mixfix) list * Proof.context 

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val cert_vars_legacy: (string * typ option * mixfix) list > Proof.context > 

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(string * typ option * mixfix) list * Proof.context 

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val add_fixes: (string * string option * mixfix) list > 

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Proof.context > string list * Proof.context 

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val add_fixes_i: (string * typ option * mixfix) list > 

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Proof.context > string list * Proof.context 

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val add_fixes_legacy: (string * typ option * mixfix) list > 

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Proof.context > string list * Proof.context 

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val auto_fixes: Proof.context * (term list list * 'a) > Proof.context * (term list list * 'a) 

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val bind_fixes: string list > Proof.context > (term > term) * Proof.context 

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val add_assms: Assumption.export > 
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((string * attribute list) * (string * string list) list) list > 
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Proof.context > (bstring * thm list) list * Proof.context 
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val add_assms_i: Assumption.export > 
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((string * attribute list) * (term * term list) list) list > 
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Proof.context > (bstring * thm list) list * Proof.context 
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val add_cases: bool > (string * RuleCases.T option) list > Proof.context > Proof.context 

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val apply_case: RuleCases.T > Proof.context > (string * term list) list * Proof.context 

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val get_case: Proof.context > string > string option list > RuleCases.T 

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val add_notation: Syntax.mode > (term * mixfix) list > 
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Proof.context > Proof.context 
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val target_notation: Syntax.mode > (term * mixfix) list > morphism > 
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Context.generic > Context.generic 

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val set_expand_abbrevs: bool > Proof.context > Proof.context 
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val add_abbrev: string > bstring * term > Proof.context > (term * term) * Proof.context 
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val target_abbrev: Syntax.mode > (string * mixfix) * term > morphism > 
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Context.generic > Context.generic 

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val local_abbrev: string * term > Proof.context > (term * term) * Proof.context 
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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: Proof.context > unit 
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val print_abbrevs: Proof.context > unit 
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val print_binds: Proof.context > unit 
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val print_lthms: Proof.context > unit 

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val print_cases: Proof.context > unit 

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val debug: bool ref 

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val prems_limit: int ref 
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val pretty_ctxt: Proof.context > Pretty.T list 
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val pretty_context: Proof.context > Pretty.T list 

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end; 
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structure ProofContext: PROOF_CONTEXT = 
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struct 
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val theory_of = Context.theory_of_proof; 
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val tsig_of = Sign.tsig_of o theory_of; 
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val init = Context.init_proof; 
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(** Isar proof context information **) 
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datatype ctxt = 
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Ctxt of 

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{is_stmt: bool, (*inner statement mode*) 
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naming: NameSpace.naming, (*local naming conventions*) 
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syntax: LocalSyntax.T, (*local syntax*) 
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consts: Consts.T * Consts.T, (*global/local consts*) 
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thms: thm list NameSpace.table * FactIndex.T, (*local thms*) 
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cases: (string * (RuleCases.T * bool)) list}; (*local contexts*) 
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fun make_ctxt (is_stmt, naming, syntax, consts, thms, cases) = 
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Ctxt {is_stmt = is_stmt, naming = naming, syntax = syntax, 
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consts = consts, thms = thms, cases = cases}; 
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val local_naming = NameSpace.default_naming > NameSpace.add_path "local"; 
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structure ContextData = ProofDataFun 
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( 
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val name = "Isar/context"; 
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type T = ctxt; 

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fun init thy = 

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make_ctxt (false, local_naming, LocalSyntax.init thy, 
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(Sign.consts_of thy, Sign.consts_of thy), 
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(NameSpace.empty_table, FactIndex.empty), []); 
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fun print _ _ = (); 
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); 
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val _ = Context.add_setup ContextData.init; 
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16540  209 
fun rep_context ctxt = ContextData.get ctxt > (fn Ctxt args => args); 
5819  210 

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fun map_context f = 
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ContextData.map (fn Ctxt {is_stmt, naming, syntax, consts, thms, cases} => 
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make_ctxt (f (is_stmt, naming, syntax, consts, thms, cases))); 
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fun set_stmt b = 
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map_context (fn (_, naming, syntax, consts, thms, cases) => 
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(b, naming, syntax, consts, thms, cases)); 
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19001  219 
fun map_naming f = 
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map_context (fn (is_stmt, naming, syntax, consts, thms, cases) => 
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(is_stmt, f naming, syntax, consts, thms, cases)); 
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fun map_syntax f = 
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map_context (fn (is_stmt, naming, syntax, consts, thms, cases) => 
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(is_stmt, naming, f syntax, consts, thms, cases)); 
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fun map_consts f = 
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map_context (fn (is_stmt, naming, syntax, consts, thms, cases) => 
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(is_stmt, naming, syntax, f consts, thms, cases)); 
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fun map_thms f = 
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map_context (fn (is_stmt, naming, syntax, consts, thms, cases) => 
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(is_stmt, naming, syntax, consts, f thms, cases)); 
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fun map_cases f = 
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map_context (fn (is_stmt, naming, syntax, consts, thms, cases) => 
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(is_stmt, naming, syntax, consts, thms, f cases)); 
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val is_stmt = #is_stmt o rep_context; 
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fun restore_stmt ctxt = set_stmt (is_stmt ctxt); 
19001  241 

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val naming_of = #naming o rep_context; 

19387  243 
val full_name = NameSpace.full o naming_of; 
5819  244 

16540  245 
val syntax_of = #syntax o rep_context; 
19001  246 
val syn_of = LocalSyntax.syn_of o syntax_of; 
19543  247 
val set_syntax_mode = map_syntax o LocalSyntax.set_mode; 
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val restore_syntax_mode = map_syntax o LocalSyntax.restore_mode o syntax_of; 

19001  249 

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val consts_of = #2 o #consts o rep_context; 
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val const_syntax_name = Consts.syntax_name o consts_of; 
5819  252 

16540  253 
val thms_of = #thms o rep_context; 
22358  254 
val theorems_of = #1 o thms_of; 
19001  255 
val fact_index_of = #2 o thms_of; 
16540  256 

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val cases_of = #cases o rep_context; 

5819  258 

259 

20367  260 
(* theory transfer *) 
12093  261 

19001  262 
fun transfer_syntax thy = 
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map_syntax (LocalSyntax.rebuild thy) #> 

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map_consts (fn consts as (global_consts, local_consts) => 
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let val thy_consts = Sign.consts_of thy in 
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if Consts.eq_consts (thy_consts, global_consts) then consts 
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else (thy_consts, Consts.merge (thy_consts, local_consts)) 
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end); 
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19001  270 
fun transfer thy = Context.transfer_proof thy #> transfer_syntax thy; 
17072  271 

20367  272 
fun theory f ctxt = transfer (f (theory_of ctxt)) ctxt; 
273 

274 
fun theory_result f ctxt = 

275 
let val (res, thy') = f (theory_of ctxt) 

276 
in (res, ctxt > transfer thy') end; 

19019  277 

12093  278 

279 

14828  280 
(** pretty printing **) 
281 

19310  282 
local 
283 

21744  284 
fun rewrite_term warn thy rews t = 
19371  285 
if can Term.type_of t then Pattern.rewrite_term thy rews [] t 
21744  286 
else (if warn then warning "Printing malformed term  cannot expand abbreviations" else (); t); 
19371  287 

19001  288 
fun pretty_term' abbrevs ctxt t = 
18971  289 
let 
19001  290 
val thy = theory_of ctxt; 
291 
val syntax = syntax_of ctxt; 

18971  292 
val consts = consts_of ctxt; 
22587  293 
val do_abbrevs = abbrevs andalso not (print_mode_active "no_abbrevs"); 
19001  294 
val t' = t 
21744  295 
> do_abbrevs ? rewrite_term true thy (Consts.abbrevs_of consts (! print_mode @ [""])) 
21824  296 
> do_abbrevs ? rewrite_term false thy (Consts.abbrevs_of consts [Syntax.internalM]) 
19371  297 
> Sign.extern_term (Consts.extern_early consts) thy 
298 
> LocalSyntax.extern_term syntax; 

21772  299 
in Sign.pretty_term' ctxt (LocalSyntax.syn_of syntax) (Consts.extern consts) t' end; 
18971  300 

19310  301 
in 
302 

19001  303 
val pretty_term = pretty_term' true; 
21728  304 
val pretty_term_abbrev = pretty_term' false; 
19310  305 

306 
end; 

307 

16458  308 
fun pretty_typ ctxt T = Sign.pretty_typ (theory_of ctxt) T; 
309 
fun pretty_sort ctxt S = Sign.pretty_sort (theory_of ctxt) S; 

310 
fun pretty_classrel ctxt cs = Sign.pretty_classrel (theory_of ctxt) cs; 

311 
fun pretty_arity ctxt ar = Sign.pretty_arity (theory_of ctxt) ar; 

14828  312 

14974
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avoid premature evaluation of syn_of (wastes time in conjunction with pp);
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313 
fun pp ctxt = Pretty.pp (pretty_term ctxt, pretty_typ ctxt, pretty_sort ctxt, 
b1ecb7859c99
avoid premature evaluation of syn_of (wastes time in conjunction with pp);
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diff
changeset

314 
pretty_classrel ctxt, pretty_arity ctxt); 
14828  315 

20253  316 
fun pretty_thm_legacy quote th = 
20234
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
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diff
changeset

317 
let 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
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20209
diff
changeset

318 
val thy = Thm.theory_of_thm th; 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
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diff
changeset

319 
val pp = 
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added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
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diff
changeset

320 
if Theory.eq_thy (thy, ProtoPure.thy) then Sign.pp thy 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
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diff
changeset

321 
else pp (init thy); 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
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diff
changeset

322 
in Display.pretty_thm_aux pp quote false [] th end; 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
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diff
changeset

323 

17451  324 
fun pretty_thm ctxt th = 
20575  325 
let 
326 
val thy = theory_of ctxt; 

327 
val (pp, asms) = 

328 
if Theory.eq_thy (thy, ProtoPure.thy) then (Sign.pp thy, []) 

21583  329 
else (pp ctxt, map Thm.term_of (Assumption.assms_of ctxt)); 
20575  330 
in Display.pretty_thm_aux pp false true asms th end; 
14828  331 

332 
fun pretty_thms ctxt [th] = pretty_thm ctxt th 

333 
 pretty_thms ctxt ths = Pretty.blk (0, Pretty.fbreaks (map (pretty_thm ctxt) ths)); 

334 

335 
fun pretty_fact ctxt ("", ths) = pretty_thms ctxt ths 

336 
 pretty_fact ctxt (a, [th]) = 

337 
Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, pretty_thm ctxt th] 

338 
 pretty_fact ctxt (a, ths) = 

339 
Pretty.block (Pretty.fbreaks (Pretty.str (a ^ ":") :: map (pretty_thm ctxt) ths)); 

340 

17072  341 
fun pretty_proof ctxt prf = 
21728  342 
pretty_term_abbrev (ctxt > transfer_syntax (ProofSyntax.proof_syntax prf (theory_of ctxt))) 
17072  343 
(ProofSyntax.term_of_proof prf); 
344 

345 
fun pretty_proof_of ctxt full th = 

346 
pretty_proof ctxt (ProofSyntax.proof_of full th); 

347 

17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

348 
val string_of_typ = Pretty.string_of oo pretty_typ; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
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diff
changeset

349 
val string_of_term = Pretty.string_of oo pretty_term; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

350 
val string_of_thm = Pretty.string_of oo pretty_thm; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

351 

14828  352 

353 

5819  354 
(** prepare types **) 
355 

9504  356 
local 
357 

358 
fun read_typ_aux read ctxt s = 

21772  359 
read (syn_of ctxt) ctxt (Variable.def_sort ctxt) s; 
5819  360 

10554  361 
fun cert_typ_aux cert ctxt raw_T = 
18678  362 
cert (theory_of ctxt) raw_T handle TYPE (msg, _, _) => error msg; 
9504  363 

364 
in 

365 

16348  366 
val read_typ = read_typ_aux Sign.read_typ'; 
367 
val read_typ_syntax = read_typ_aux Sign.read_typ_syntax'; 

368 
val read_typ_abbrev = read_typ_aux Sign.read_typ_abbrev'; 

369 
val cert_typ = cert_typ_aux Sign.certify_typ; 

370 
val cert_typ_syntax = cert_typ_aux Sign.certify_typ_syntax; 

371 
val cert_typ_abbrev = cert_typ_aux Sign.certify_typ_abbrev; 

9504  372 

373 
end; 

374 

5819  375 

7679  376 
(* internalize Skolem constants *) 
377 

19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

378 
val lookup_skolem = AList.lookup (op =) o Variable.fixes_of; 
18187  379 
fun get_skolem ctxt x = the_default x (lookup_skolem ctxt x); 
7679  380 

18678  381 
fun no_skolem internal x = 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

382 
if can Name.dest_skolem x then 
18678  383 
error ("Illegal reference to internal Skolem constant: " ^ quote x) 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

384 
else if not internal andalso can Name.dest_internal x then 
18678  385 
error ("Illegal reference to internal variable: " ^ quote x) 
7679  386 
else x; 
387 

14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

388 
fun intern_skolem ctxt internal = 
7679  389 
let 
390 
fun intern (t as Free (x, T)) = 

14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

391 
if internal x then t 
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

392 
else 
18678  393 
(case lookup_skolem ctxt (no_skolem false x) of 
15531  394 
SOME x' => Free (x', T) 
395 
 NONE => t) 

7679  396 
 intern (t $ u) = intern t $ intern u 
397 
 intern (Abs (x, T, t)) = Abs (x, T, intern t) 

398 
 intern a = a; 

399 
in intern end; 

400 

401 

20244
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

402 
(* revert Skolem constants  approximation only! *) 
18255  403 

20244
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

404 
fun revert_skolem ctxt = 
9133  405 
let 
20244
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

406 
val rev_fixes = map Library.swap (Variable.fixes_of ctxt); 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

407 
val revert = AList.lookup (op =) rev_fixes; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

408 
in 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

409 
fn x => 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

410 
(case revert x of 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

411 
SOME x' => x' 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

412 
 NONE => perhaps (try Name.dest_skolem) x) 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

413 
end; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

414 

89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

415 
fun revert_skolems ctxt = 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

416 
let 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

417 
val revert = revert_skolem ctxt; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

418 
fun reverts (Free (x, T)) = Free (revert x, T) 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

419 
 reverts (t $ u) = reverts t $ reverts u 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

420 
 reverts (Abs (x, T, t)) = Abs (x, T, reverts t) 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

421 
 reverts a = a; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

422 
in reverts end 
9133  423 

8096  424 

18187  425 

5819  426 
(** prepare terms and propositions **) 
427 

428 
(* 

16501  429 
(1) read / certify wrt. theory of context 
5819  430 
(2) intern Skolem constants 
431 
(3) expand term bindings 

432 
*) 

433 

434 

16501  435 
(* read wrt. theory *) (*exception ERROR*) 
5819  436 

18857  437 
fun read_def_termTs freeze pp syn ctxt (types, sorts, used) sTs = 
18971  438 
Sign.read_def_terms' pp (Sign.is_logtype (theory_of ctxt)) syn (consts_of ctxt) 
21772  439 
ctxt (types, sorts) used freeze sTs; 
5874  440 

18857  441 
fun read_def_termT freeze pp syn ctxt defaults sT = 
442 
apfst hd (read_def_termTs freeze pp syn ctxt defaults [sT]); 

14828  443 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

444 
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

445 
#1 (read_def_termT freeze pp syn thy defaults (s, TypeInfer.logicT)); 
5874  446 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

447 
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

448 
#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

449 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

450 
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

451 
#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

452 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

453 
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

454 
#1 o read_def_termTs freeze pp syn thy defaults o map (rpair propT); 
5819  455 

456 

19001  457 
(* local abbreviations *) 
5819  458 

19371  459 
fun certify_consts ctxt = 
19001  460 
Consts.certify (pp ctxt) (tsig_of ctxt) (consts_of ctxt); 
461 

19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

462 
fun reject_schematic (Var (xi, _)) = 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

463 
error ("Unbound schematic variable: " ^ Syntax.string_of_vname xi) 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

464 
 reject_schematic (Abs (_, _, t)) = reject_schematic t 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

465 
 reject_schematic (t $ u) = (reject_schematic t; reject_schematic u) 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

466 
 reject_schematic _ = (); 
5819  467 

19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

468 
fun expand_binds ctxt schematic = 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

469 
Variable.expand_binds ctxt #> (if schematic then I else tap reject_schematic); 
5819  470 

471 

6550  472 
(* dummy patterns *) 
473 

18310  474 
val prepare_dummies = 
475 
let val next = ref 1 in 

476 
fn t => 

477 
let val (i, u) = Term.replace_dummy_patterns (! next, t) 

478 
in next := i; u end 

479 
end; 

6762  480 

18678  481 
fun reject_dummies t = Term.no_dummy_patterns t 
482 
handle TERM _ => error "Illegal dummy pattern(s) in term"; 

6550  483 

484 

5819  485 
(* read terms *) 
486 

10554  487 
local 
488 

15531  489 
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

490 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

491 
fun gen_read' read app pattern schematic 
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

492 
ctxt internal more_types more_sorts more_used s = 
14174
f3cafd2929d5
Methods rule_tac etc support static (Isar) contexts.
ballarin
parents:
13629
diff
changeset

493 
let 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

494 
val types = append_env (Variable.def_type ctxt pattern) more_types; 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

495 
val sorts = append_env (Variable.def_sort ctxt) more_sorts; 
20163  496 
val used = fold Name.declare more_used (Variable.names_of ctxt); 
14174
f3cafd2929d5
Methods rule_tac etc support static (Isar) contexts.
ballarin
parents:
13629
diff
changeset

497 
in 
18857  498 
(read (pp ctxt) (syn_of ctxt) ctxt (types, sorts, used) s 
18678  499 
handle TERM (msg, _) => error msg) 
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

500 
> app (intern_skolem ctxt internal) 
19371  501 
> app (certify_consts ctxt) 
19001  502 
> app (if pattern then I else expand_binds ctxt schematic) 
18678  503 
> app (if pattern then prepare_dummies else reject_dummies) 
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

504 
end; 
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

505 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

506 
fun gen_read read app pattern schematic ctxt = 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

507 
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

508 

10554  509 
in 
510 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

511 
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

512 
val read_termTs_schematic = gen_read' (read_def_termTs false) (apfst o map) false true; 
8096  513 

14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

514 
fun read_term_pats T ctxt = 
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

515 
#1 o gen_read (read_def_termTs false) (apfst o map) true false ctxt o map (rpair T); 
8096  516 
val read_prop_pats = read_term_pats propT; 
517 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

518 
fun read_term_legacy ctxt = 
16458  519 
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

520 

19143  521 
val read_term = gen_read (read_term_thy true) I false false; 
522 
val read_prop = gen_read (read_prop_thy true) I false false; 

523 
val read_prop_schematic = gen_read (read_prop_thy true) I false true; 

524 
val read_terms = gen_read (read_terms_thy true) map false false; 

525 
fun read_props schematic = gen_read (read_props_thy true) map false schematic; 

5819  526 

10554  527 
end; 
528 

5819  529 

530 
(* certify terms *) 

531 

10554  532 
local 
533 

18971  534 
fun gen_cert prop pattern schematic ctxt t = t 
19371  535 
> certify_consts ctxt 
19001  536 
> (if pattern then I else expand_binds ctxt schematic) 
19371  537 
> (fn t' => #1 (Sign.certify' false prop (pp ctxt) (consts_of ctxt) (theory_of ctxt) t') 
18678  538 
handle TYPE (msg, _, _) => error msg 
539 
 TERM (msg, _) => error msg); 

16501  540 

10554  541 
in 
8096  542 

18971  543 
val cert_term = gen_cert false false false; 
544 
val cert_prop = gen_cert true false false; 

545 
val cert_props = map oo gen_cert true false; 

10554  546 

18971  547 
fun cert_term_pats _ = map o gen_cert false true false; 
548 
val cert_prop_pats = map o gen_cert true true false; 

10554  549 

550 
end; 

5819  551 

552 

18770  553 
(* inferred types of parameters *) 
554 

555 
fun infer_type ctxt x = 

556 
(case try (fn () => 

19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

557 
Sign.infer_types (pp ctxt) (theory_of ctxt) (consts_of ctxt) (Variable.def_type ctxt false) 
20163  558 
(Variable.def_sort ctxt) (Variable.names_of ctxt) true 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

559 
([Free (x, dummyT)], TypeInfer.logicT)) () of 
18770  560 
SOME (Free (_, T), _) => T 
561 
 _ => error ("Failed to infer type of fixed variable " ^ quote x)); 

562 

563 
fun inferred_param x ctxt = 

18619  564 
let val T = infer_type ctxt x 
20163  565 
in ((x, T), ctxt > Variable.declare_term (Free (x, T))) end; 
18619  566 

18770  567 
fun inferred_fixes ctxt = 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

568 
fold_map inferred_param (rev (map #2 (Variable.fixes_of ctxt))) ctxt; 
5819  569 

570 

15703  571 
(* type and constant names *) 
572 

573 
fun read_tyname ctxt c = 

20163  574 
if Syntax.is_tid c then 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

575 
TFree (c, the_default (Sign.defaultS (theory_of ctxt)) (Variable.def_sort ctxt (c, ~1))) 
16458  576 
else Sign.read_tyname (theory_of ctxt) c; 
15703  577 

578 
fun read_const ctxt c = 

579 
(case lookup_skolem ctxt c of 

21208
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

580 
SOME x => Free (x, infer_type ctxt x) 
18971  581 
 NONE => Consts.read_const (consts_of ctxt) c); 
15703  582 

583 

9553  584 

21610  585 
(** export results **) 
21531  586 

20310  587 
fun common_export is_goal inner outer = 
588 
map (Assumption.export is_goal inner outer) #> 

589 
Variable.export inner outer; 

8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

590 

20310  591 
val goal_export = common_export true; 
592 
val export = common_export false; 

12704  593 

21531  594 
fun export_morphism inner outer = 
595 
Assumption.export_morphism inner outer $> 

596 
Variable.export_morphism inner outer; 

597 

598 

15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset

599 

5819  600 
(** bindings **) 
601 

8096  602 
(* simult_matches *) 
603 

19867  604 
fun simult_matches ctxt (t, pats) = 
605 
(case Seq.pull (Unify.matchers (theory_of ctxt) (map (rpair t) pats)) of 

606 
NONE => error "Pattern match failed!" 

607 
 SOME (env, _) => map (apsnd snd) (Envir.alist_of env)); 

8096  608 

609 

610 
(* add_binds(_i) *) 

5819  611 

7925  612 
local 
613 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

614 
fun gen_bind prep (xi as (x, _), raw_t) ctxt = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

615 
ctxt > Variable.add_binds [(xi, Option.map (prep ctxt) raw_t)]; 
5819  616 

10810  617 
in 
618 

20330  619 
fun drop_schematic (b as (xi, SOME t)) = if Term.exists_subterm is_Var t then (xi, NONE) else b 
10554  620 
 drop_schematic b = b; 
621 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

622 
val add_binds = fold (gen_bind read_term); 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

623 
val add_binds_i = fold (gen_bind cert_term); 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

624 

16458  625 
fun auto_bind f ts ctxt = ctxt > add_binds_i (map drop_schematic (f (theory_of ctxt) ts)); 
12147  626 
val auto_bind_goal = auto_bind AutoBind.goal; 
627 
val auto_bind_facts = auto_bind AutoBind.facts; 

7925  628 

629 
end; 

5819  630 

631 

8096  632 
(* match_bind(_i) *) 
5819  633 

8096  634 
local 
635 

17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

636 
fun prep_bind prep_pats (raw_pats, t) ctxt = 
5819  637 
let 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

638 
val ctxt' = Variable.declare_term t ctxt; 
19585  639 
val pats = prep_pats (Term.fastype_of t) ctxt' raw_pats; 
640 
val binds = simult_matches ctxt' (t, pats); 

17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

641 
in (binds, ctxt') end; 
7670  642 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

643 
fun gen_binds prep_terms prep_pats gen raw_binds ctxt = 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

644 
let 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

645 
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

646 
val (binds, ctxt') = 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19422
diff
changeset

647 
apfst flat (fold_map (prep_bind prep_pats) (map fst raw_binds ~~ ts) ctxt); 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

648 
val binds' = 
19916
3bbb9cc5d4f1
export: simultaneous facts, refer to Variable.export;
wenzelm
parents:
19897
diff
changeset

649 
if gen then map #1 binds ~~ Variable.exportT_terms ctxt' ctxt (map #2 binds) 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

650 
else binds; 
15531  651 
val binds'' = map (apsnd SOME) binds'; 
18310  652 
val ctxt'' = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

653 
tap (Variable.warn_extra_tfrees ctxt) 
18310  654 
(if gen then 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

655 
ctxt (*sic!*) > fold Variable.declare_term (map #2 binds') > add_binds_i binds'' 
18310  656 
else ctxt' > add_binds_i binds''); 
657 
in (ts, ctxt'') end; 

8096  658 

659 
in 

5935  660 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

661 
val match_bind = gen_binds read_terms read_term_pats; 
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

662 
val match_bind_i = gen_binds (map o cert_term) cert_term_pats; 
8096  663 

664 
end; 

5935  665 

666 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

667 
(* propositions with patterns *) 
5935  668 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

669 
local 
8096  670 

10554  671 
fun prep_propp schematic prep_props prep_pats (context, args) = 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

672 
let 
19585  673 
fun prep (_, raw_pats) (ctxt, prop :: props) = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

674 
let val ctxt' = Variable.declare_term prop ctxt 
19585  675 
in ((prop, prep_pats ctxt' raw_pats), (ctxt', props)) end 
17860
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

676 
 prep _ _ = sys_error "prep_propp"; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

677 
val (propp, (context', _)) = (fold_map o fold_map) prep args 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19422
diff
changeset

678 
(context, prep_props schematic context (maps (map fst) args)); 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

679 
in (context', propp) end; 
5935  680 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

681 
fun gen_bind_propp prepp (ctxt, raw_args) = 
8096  682 
let 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

683 
val (ctxt', args) = prepp (ctxt, raw_args); 
19585  684 
val binds = flat (flat (map (map (simult_matches ctxt')) args)); 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

685 
val propss = map (map #1) args; 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

686 

10554  687 
(*generalize result: context evaluated now, binds added later*) 
19916
3bbb9cc5d4f1
export: simultaneous facts, refer to Variable.export;
wenzelm
parents:
19897
diff
changeset

688 
val gen = Variable.exportT_terms ctxt' ctxt; 
15531  689 
fun gen_binds c = c > add_binds_i (map #1 binds ~~ map SOME (gen (map #2 binds))); 
690 
in (ctxt' > add_binds_i (map (apsnd SOME) binds), (propss, gen_binds)) end; 

8096  691 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

692 
in 
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

693 

11925  694 
val read_propp = prep_propp false read_props read_prop_pats; 
695 
val cert_propp = prep_propp false cert_props cert_prop_pats; 

10554  696 
val read_propp_schematic = prep_propp true read_props read_prop_pats; 
697 
val cert_propp_schematic = prep_propp true cert_props cert_prop_pats; 

698 

11925  699 
val bind_propp = gen_bind_propp read_propp; 
700 
val bind_propp_i = gen_bind_propp cert_propp; 

701 
val bind_propp_schematic = gen_bind_propp read_propp_schematic; 

10554  702 
val bind_propp_schematic_i = gen_bind_propp cert_propp_schematic; 
6789  703 

10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

704 
end; 
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

705 

6789  706 

5819  707 

708 
(** theorems **) 

709 

18042  710 
(* fact_tac *) 
711 

18122  712 
fun comp_incr_tac [] _ st = no_tac st 
713 
 comp_incr_tac (th :: ths) i st = 

714 
(Goal.compose_hhf_tac (Drule.incr_indexes st th) i APPEND comp_incr_tac ths i) st; 

18042  715 

21687  716 
fun fact_tac facts = Goal.norm_hhf_tac THEN' comp_incr_tac facts; 
18122  717 

718 
fun some_fact_tac ctxt = SUBGOAL (fn (goal, i) => 

18042  719 
let 
19001  720 
val index = fact_index_of ctxt; 
18042  721 
val facts = FactIndex.could_unify index (Term.strip_all_body goal); 
722 
in fact_tac facts i end); 

723 

724 

6091  725 
(* get_thm(s) *) 
5819  726 

18042  727 
fun retrieve_thms _ pick ctxt (Fact s) = 
16501  728 
let 
20049  729 
val th = Goal.prove ctxt [] [] (read_prop ctxt s) (K (ALLGOALS (some_fact_tac ctxt))) 
18678  730 
handle ERROR msg => cat_error msg "Failed to retrieve literal fact."; 
18042  731 
in pick "" [th] end 
732 
 retrieve_thms from_thy pick ctxt xthmref = 

733 
let 

734 
val thy = theory_of ctxt; 

19001  735 
val (space, tab) = #1 (thms_of ctxt); 
16501  736 
val thmref = PureThy.map_name_of_thmref (NameSpace.intern space) xthmref; 
737 
val name = PureThy.name_of_thmref thmref; 

738 
in 

17412  739 
(case Symtab.lookup tab name of 
16540  740 
SOME ths => map (Thm.transfer thy) (PureThy.select_thm thmref ths) 
741 
 NONE => from_thy thy xthmref) > pick name 

18042  742 
end; 
5819  743 

9566  744 
val get_thm = retrieve_thms PureThy.get_thms PureThy.single_thm; 
745 
val get_thm_closure = retrieve_thms PureThy.get_thms_closure PureThy.single_thm; 

746 
val get_thms = retrieve_thms PureThy.get_thms (K I); 

747 
val get_thms_closure = retrieve_thms PureThy.get_thms_closure (K I); 

5819  748 

749 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

750 
(* valid_thms *) 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

751 

fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

752 
fun valid_thms ctxt (name, ths) = 
18678  753 
(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

754 
NONE => false 
16147  755 
 SOME ths' => Thm.eq_thms (ths, ths')); 
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

756 

fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

757 

fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

758 
(* lthms_containing *) 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

759 

fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

760 
fun lthms_containing ctxt spec = 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

761 
FactIndex.find (fact_index_of ctxt) spec 
21569  762 
> map (fn (name, ths) => 
763 
if valid_thms ctxt (name, ths) then (name, ths) 

764 
else (NameSpace.hidden (if name = "" then "unnamed" else name), ths)); 

16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

765 

fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

766 

13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset

767 
(* name space operations *) 
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset

768 

22352  769 
val add_path = map_naming o NameSpace.add_path; 
19062
0fd52e819c24
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19033
diff
changeset

770 
val no_base_names = map_naming NameSpace.no_base_names; 
16147  771 
val qualified_names = map_naming NameSpace.qualified_names; 
19062
0fd52e819c24
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19033
diff
changeset

772 
val sticky_prefix = map_naming o NameSpace.sticky_prefix; 
0fd52e819c24
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19033
diff
changeset

773 
val restore_naming = map_naming o K o naming_of; 
21728  774 
val reset_naming = map_naming (K local_naming); 
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset

775 

19001  776 
fun hide_thms fully names = map_thms (fn ((space, tab), index) => 
777 
((fold (NameSpace.hide fully) names space, tab), index)); 

13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset

778 

12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset

779 

17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset

780 
(* put_thms *) 
5819  781 

21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

782 
fun update_thms _ ("", NONE) ctxt = ctxt 
21648  783 
 update_thms opts ("", SOME ths) ctxt = ctxt > map_thms (fn (facts, index) => 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

784 
let 
21648  785 
val index' = uncurry FactIndex.add_local opts ("", ths) index; 
19001  786 
in (facts, index') end) 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

787 
 update_thms _ (bname, NONE) ctxt = ctxt > map_thms (fn ((space, tab), index) => 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

788 
let 
19387  789 
val name = full_name ctxt bname; 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

790 
val tab' = Symtab.delete_safe name tab; 
19001  791 
in ((space, tab'), index) end) 
21648  792 
 update_thms opts (bname, SOME ths) ctxt = ctxt > map_thms (fn ((space, tab), index) => 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

793 
let 
19387  794 
val name = full_name ctxt bname; 
19001  795 
val space' = NameSpace.declare (naming_of ctxt) name space; 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

796 
val tab' = Symtab.update (name, ths) tab; 
21648  797 
val index' = uncurry FactIndex.add_local opts (name, ths) index; 
19001  798 
in ((space', tab'), index') end); 
5819  799 

21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

800 
fun put_thms thms ctxt = 
21648  801 
ctxt > map_naming (K local_naming) > update_thms (true, false) thms > restore_naming ctxt; 
19079
9a7678a0736d
added put_thms_internal: local_naming, no fact index;
wenzelm
parents:
19062
diff
changeset

802 

7606  803 

14564  804 
(* note_thmss *) 
5819  805 

12711  806 
local 
16147  807 

21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

808 
fun gen_note_thmss get k = fold_map (fn ((bname, more_attrs), raw_facts) => fn ctxt => 
5819  809 
let 
21643
bdf3e74727df
note_thmss: added kind tag and nonofficial name;
wenzelm
parents:
21622
diff
changeset

810 
val name = full_name ctxt bname; 
bdf3e74727df
note_thmss: added kind tag and nonofficial name;
wenzelm
parents:
21622
diff
changeset

811 
val facts = PureThy.name_thmss false name (map (apfst (get ctxt)) raw_facts); 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

812 
fun app (th, attrs) x = 
21643
bdf3e74727df
note_thmss: added kind tag and nonofficial name;
wenzelm
parents:
21622
diff
changeset

813 
swap (foldl_map (Thm.proof_attributes (attrs @ more_attrs @ [PureThy.kind k])) (x, th)); 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

814 
val (res, ctxt') = fold_map app facts ctxt; 
21643
bdf3e74727df
note_thmss: added kind tag and nonofficial name;
wenzelm
parents:
21622
diff
changeset

815 
val thms = PureThy.name_thms false false name (flat res); 
21648  816 
in ((bname, thms), ctxt' > update_thms (is_stmt ctxt, true) (bname, SOME thms)) end); 
12711  817 

818 
in 

819 

21622  820 
fun note_thmss k = gen_note_thmss get_thms k; 
821 
fun note_thmss_i k = gen_note_thmss (K I) k; 

15696  822 

12711  823 
end; 
9196  824 

5819  825 

826 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

827 
(** parameters **) 
17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset

828 

8096  829 
(* variables *) 
830 

19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

831 
fun declare_var (x, opt_T, mx) ctxt = 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

832 
let val T = (case opt_T of SOME T => T  NONE => TypeInfer.mixfixT mx) 
20163  833 
in ((x, T, mx), ctxt > Variable.declare_constraints (Free (x, T))) end; 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

834 

10381  835 
local 
836 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

837 
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

838 
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

839 
let 
19371  840 
val (x, mx) = Syntax.const_mixfix raw_x raw_mx; 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

841 
val _ = 
18678  842 
if not legacy andalso not (Syntax.is_identifier (no_skolem internal x)) then 
843 
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

844 
else (); 
12504  845 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

846 
fun cond_tvars T = 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

847 
if internal then T 
18678  848 
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

849 
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

850 
val var = (x, opt_T, mx); 
19001  851 
in (var, ctxt > declare_var var > #2) end); 
8096  852 

10381  853 
in 
854 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

855 
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

856 
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

857 
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

858 
val cert_vars_legacy = prep_vars cert_typ true true; 
8096  859 

10381  860 
end; 
861 

8096  862 

19681  863 
(* authentic constants *) 
19663  864 

21208
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

865 
fun const_syntax ctxt (Free (x, T), mx) = SOME (true, (x, T, mx)) 
21667
ce813b82c88b
add_notation: permissive about undeclared consts;
wenzelm
parents:
21648
diff
changeset

866 
 const_syntax ctxt (Const (c, _), mx) = 
ce813b82c88b
add_notation: permissive about undeclared consts;
wenzelm
parents:
21648
diff
changeset

867 
Option.map (pair false) (try (Consts.syntax (consts_of ctxt)) (c, mx)) 
21208
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

868 
 const_syntax _ _ = NONE; 
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

869 

21772  870 
fun context_const_ast_tr ctxt [Syntax.Variable c] = 
19681  871 
let 
21772  872 
val consts = consts_of ctxt; 
19681  873 
val c' = Consts.intern consts c; 
21728  874 
val _ = Consts.the_constraint consts c' handle TYPE (msg, _, _) => error msg; 
19681  875 
in Syntax.Constant (Syntax.constN ^ c') end 
876 
 context_const_ast_tr _ asts = raise Syntax.AST ("const_ast_tr", asts); 

877 

878 
val _ = Context.add_setup 

879 
(Sign.add_syntax 

880 
[("_context_const", "id => 'a", Delimfix "CONST _"), 

881 
("_context_const", "longid => 'a", Delimfix "CONST _")] #> 

882 
Sign.add_advanced_trfuns ([("_context_const", context_const_ast_tr)], [], [], [])); 

883 

19663  884 

21744  885 
(* notation *) 
886 

887 
fun add_notation mode args ctxt = 

888 
ctxt > map_syntax 

889 
(LocalSyntax.add_modesyntax (theory_of ctxt) mode (map_filter (const_syntax ctxt) args)); 

890 

21803  891 
fun target_notation mode args phi = 
892 
let val args' = filter (fn (t, _) => Term.equiv_types (t, Morphism.term phi t)) args; 

21744  893 
in Context.mapping (Sign.add_notation mode args') (add_notation mode args') end; 
894 

895 

19001  896 
(* abbreviations *) 
897 

21728  898 
val set_expand_abbrevs = map_consts o apsnd o Consts.set_expand; 
899 
fun read_term_abbrev ctxt = read_term (set_expand_abbrevs false ctxt); 

19371  900 

21704  901 
fun add_abbrev mode (c, raw_t) ctxt = 
19001  902 
let 
21728  903 
val t0 = cert_term (ctxt > set_expand_abbrevs false) raw_t 
21681  904 
handle ERROR msg => cat_error msg ("in constant abbreviation " ^ quote c); 
20008
8d9d770e1f06
add_abbrevs/polymorphic: Variable.exportT_terms avoids overgeneralization;
wenzelm
parents:
19916
diff
changeset

905 
val [t] = Variable.exportT_terms (Variable.declare_term t0 ctxt) ctxt [t0]; 
21807
a59f083632a7
add_abbrev: removed Assumption.add_assms (danger of inconsistent naming);
wenzelm
parents:
21803
diff
changeset

906 
val ((lhs, rhs), consts') = consts_of ctxt 
21728  907 
> Consts.abbreviate (pp ctxt) (tsig_of ctxt) (naming_of ctxt) mode (c, t); 
19001  908 
in 
909 
ctxt 

21681  910 
> map_consts (apsnd (K consts')) 
21803  911 
> Variable.declare_term rhs 
912 
> pair (lhs, rhs) 

21704  913 
end; 
19001  914 

21744  915 
fun target_abbrev prmode ((c, mx), rhs) phi = 
916 
let 

917 
val c' = Morphism.name phi c; 

918 
val rhs' = Morphism.term phi rhs; 

919 
val arg' = (c', rhs'); 

920 
in 

21824  921 
Context.mapping_result 
922 
(Sign.add_abbrev Syntax.internalM arg') (add_abbrev Syntax.internalM arg') 

21803  923 
#> (fn (lhs, _) => 
924 
Term.equiv_types (rhs, rhs') ? target_notation prmode [(lhs, mx)] Morphism.identity) 

21744  925 
end; 
926 

21803  927 
fun local_abbrev (x, rhs) = 
21814
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

928 
Variable.add_fixes [x] #> (fn [x'] => 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

929 
let 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

930 
val T = Term.fastype_of rhs; 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

931 
val lhs = Free (x', T); 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

932 
in 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

933 
Variable.declare_term lhs #> 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

934 
Variable.declare_term rhs #> 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

935 
Assumption.add_assms (K (K (I, Envir.expand_term_frees [((x', T), rhs)]))) [] #> snd #> 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

936 
pair (lhs, rhs) 
d7bb902beb07
local_abbrev: proper fix/declare of local entities;
wenzelm
parents:
21807
diff
changeset

937 
end); 
21803  938 

19001  939 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

940 
(* fixes *) 
5819  941 

8096  942 
local 
943 

19001  944 
fun prep_mixfix (x, T, mx) = 
19019  945 
if mx <> NoSyn andalso mx <> Structure andalso 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

946 
(can Name.dest_internal x orelse can Name.dest_skolem x) then 
19001  947 
error ("Illegal mixfix syntax for internal/skolem constant " ^ quote x) 
948 
else (true, (x, T, mx)); 

949 

18844  950 
fun gen_fixes prep raw_vars ctxt = 
8096  951 
let 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

952 
val (vars, ctxt') = prep raw_vars ctxt; 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

953 
val (xs', ctxt'') = Variable.add_fixes (map #1 vars) ctxt'; 
8096  954 
in 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

955 
ctxt'' 
19001  956 
> fold_map declare_var (map2 (fn x' => fn (_, T, mx) => (x', T, mx)) xs' vars) 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

957 
> (map_syntax o LocalSyntax.add_syntax (theory_of ctxt) o map prep_mixfix) 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

958 
> pair xs' 
8096  959 
end; 
5819  960 

8096  961 
in 
7679  962 

18844  963 
val add_fixes = gen_fixes read_vars; 
964 
val add_fixes_i = gen_fixes cert_vars; 

965 
val add_fixes_legacy = gen_fixes cert_vars_legacy; 

8096  966 

967 
end; 

5819  968 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

969 

ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

970 
(* fixes vs. frees *) 
12016  971 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

972 
fun auto_fixes (arg as (ctxt, (propss, x))) = 
21370
d9dd7b4e5e69
replaced Variable.fix_frees by Variable.auto_fixes (depends on body mode);
wenzelm
parents:
21269
diff
changeset

973 
((fold o fold) Variable.auto_fixes propss ctxt, (propss, x)); 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

974 

ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

975 
fun bind_fixes xs ctxt = 
9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

976 
let 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

977 
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

978 
fun bind (t as Free (x, T)) = 
18340  979 
if member (op =) xs x then 
15531  980 
(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

981 
else t 
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

982 
 bind (t $ u) = bind t $ bind u 
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

983 
 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

984 
 bind a = a; 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

985 
in (bind, ctxt') end; 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

986 

9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

987 

23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

988 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

989 
(** assumptions **) 
18187  990 

20209  991 
local 
992 

993 
fun gen_assms prepp exp args ctxt = 

994 
let 

20234
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

995 
val cert = Thm.cterm_of (theory_of ctxt); 
20209  996 
val (propss, ctxt1) = swap (prepp (ctxt, map snd args)); 
20234
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

997 
val _ = Variable.warn_extra_tfrees ctxt ctxt1; 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

998 
val (premss, ctxt2) = fold_burrow (Assumption.add_assms exp o map cert) propss ctxt1; 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

999 
in 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

1000 
ctxt2 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

1001 
> auto_bind_facts (flat propss) 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

1002 
> put_thms (AutoBind.premsN, SOME (Assumption.prems_of ctxt2)) 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

1003 
> note_thmss_i Thm.assumptionK (map fst args ~~ map (map (fn th => ([th], []))) premss) 
20234
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

1004 
end; 
20209  1005 

1006 
in 

1007 

1008 
val add_assms = gen_assms (apsnd #1 o bind_propp); 

1009 
val add_assms_i = gen_assms (apsnd #1 o bind_propp_i); 

1010 

1011 
end; 

1012 

1013 

5819  1014 

8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1015 
(** cases **) 
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1016 

16147  1017 
local 
1018 

16668  1019 
fun rem_case name = remove (fn (x: string, (y, _)) => x = y) name; 
16147  1020 

18476  1021 
fun add_case _ ("", _) cases = cases 
1022 
 add_case _ (name, NONE) cases = rem_case name cases 

1023 
 add_case is_proper (name, SOME c) cases = (name, (c, is_proper)) :: rem_case name cases; 

16147  1024 

18678  1025 
fun prep_case name fxs c = 
18609  1026 
let 
1027 
fun replace (opt_x :: xs) ((y, T) :: ys) = (the_default y opt_x, T) :: replace xs ys 

1028 
 replace [] ys = ys 

18678  1029 
 replace (_ :: _) [] = error ("Too many parameters for case " ^ quote name); 
18609  1030 
val RuleCases.Case {fixes, assumes, binds, cases} = c; 
1031 
val fixes' = replace fxs fixes; 

1032 
val binds' = map drop_schematic binds; 

1033 
in 

1034 
if null (fold (Term.add_tvarsT o snd) fixes []) andalso 

1035 
null (fold (fold Term.add_vars o snd) assumes []) then 

1036 
RuleCases.Case {fixes = fixes', assumes = assumes, binds = binds', cases = cases} 

18678  1037 
else error ("Illegal schematic variable(s) in case " ^ quote name) 
18609  1038 
end; 
1039 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1040 
fun fix (x, T) ctxt = 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1041 
let 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1042 
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

1043 
val t = bind (Free (x, T)); 
20163  1044 
in (t, ctxt' > Variable.declare_constraints t) end; 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1045 

16147  1046 
in 
1047 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1048 
fun add_cases is_proper = map_cases o fold (add_case is_proper); 
18609  1049 

1050 
fun case_result c ctxt = 

1051 
let 

1052 
val RuleCases.Case {fixes, ...} = c; 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1053 
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

1054 
val RuleCases.Case {assumes, binds, cases, ...} = RuleCases.apply ts c; 
18609  1055 
in 
1056 
ctxt' 

18699
f3bfe81b6e58
case_result: drop_schematic, i.e. be permissive about illegal binds;
wenzelm
parents:
18678
diff
changeset

1057 
> add_binds_i (map drop_schematic binds) 
18609  1058 
> add_cases true (map (apsnd SOME) cases) 
1059 
> pair (assumes, (binds, cases)) 

1060 
end; 

1061 

1062 
val apply_case = apfst fst oo case_result; 

1063 

16540  1064 
fun get_case ctxt name xs = 
17184  1065 
(case AList.lookup (op =) (cases_of ctxt) name of 
18678  1066 
NONE => error ("Unknown case: " ^ quote name) 
1067 
 SOME (c, _) => prep_case name xs c); 

8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1068 

16147  1069 
end; 
8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1070 

e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1071 

e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1072 

10810  1073 
(** print context information **) 
1074 

20310  1075 
val debug = ref false; 
1076 

10810  1077 
val verbose = ref false; 
1078 
fun verb f x = if ! verbose then f (x ()) else []; 

1079 

1080 
fun setmp_verbose f x = Library.setmp verbose true f x; 

1081 

1082 

12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset

1083 
(* local syntax *) 
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset

1084 

12093  1085 
val print_syntax = Syntax.print_syntax o syn_of; 
12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset

1086 

4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset

1087 

21728  1088 
(* abbreviations *) 
18971  1089 

21728  1090 
fun pretty_abbrevs show_globals ctxt = 
18971  1091 
let 
19033
24e251657e56
consts: maintain thy version for efficient transfer;
wenzelm
parents:
19019
diff
changeset

1092 
val ((_, globals), (space, consts)) = 
24e251657e56
consts: maintain thy version for efficient transfer;
wenzelm
parents:
19019
diff
changeset

1093 
pairself (#constants o Consts.dest) (#consts (rep_context ctxt)); 
21803  1094 
fun add_abbr (_, (_, NONE)) = I 
1095 
 add_abbr (c, (T, SOME (t, _))) = 

21728  1096 
if not show_globals andalso Symtab.defined globals c then I 
1097 
else cons (c, Logic.mk_equals (Const (c, T), t)); 

21803  1098 
val abbrevs = NameSpace.extern_table (space, Symtab.make (Symtab.fold add_abbr consts [])); 
18971  1099 
in 
1100 
if null abbrevs andalso not (! verbose) then [] 

21728  1101 
else [Pretty.big_list "abbreviations:" (map (pretty_term_abbrev ctxt o #2) abbrevs)] 
18971  1102 
end; 
1103 

21728  1104 
val print_abbrevs = Pretty.writeln o Pretty.chunks o pretty_abbrevs true; 
1105 

18971  1106 

10810  1107 
(* term bindings *) 
1108 

16540  1109 
fun pretty_binds ctxt = 
10810  1110 
let 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

1111 
val binds = Variable.binds_of ctxt; 
21728  1112 
fun prt_bind (xi, (T, t)) = pretty_term_abbrev ctxt (Logic.mk_equals (Var (xi, T), t)); 
10810  1113 
in 
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset

1114 
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

1115 
else [Pretty.big_list "term bindings:" (map prt_bind (Vartab.dest binds))] 
10810  1116 
end; 
1117 

1118 
val print_binds = Pretty.writeln o Pretty.chunks o pretty_binds; 

1119 

1120 

1121 
(* local theorems *) 

1122 

16540  1123 
fun pretty_lthms ctxt = 
20012  1124 
let 
1125 
val props = FactIndex.props (fact_index_of ctxt); 

1126 
val facts = 

1127 
(if null props then I else cons ("unnamed", props)) 

1128 
(NameSpace.extern_table (#1 (thms_of ctxt))); 

1129 
in 

1130 
if null facts andalso not (! verbose) then [] 

1131 
else [Pretty.big_list "facts:" (map (pretty_fact ctxt) facts)] 

1132 
end; 

10810  1133 

12057  1134 
val print_lthms = Pretty.writeln o Pretty.chunks o pretty_lthms; 
10810  1135 

1136 

1137 
(* local contexts *) 

1138 

16540  1139 
fun pretty_cases ctxt = 
10810  1140 
let 
12057  1141 
val prt_term = pretty_term ctxt; 
1142 

10810  1143 
fun prt_let (xi, t) = Pretty.block 
10818  1144 
[Pretty.quote (prt_term (Var (xi, Term.fastype_of t))), Pretty.str " =", Pretty.brk 1, 
10810  1145 
Pretty.quote (prt_term t)]; 
1146 

13425
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset

1147 
fun prt_asm (a, ts) = Pretty.block (Pretty.breaks 
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset

1148 
((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

1149 

10810  1150 
fun prt_sect _ _ _ [] = [] 
1151 
 prt_sect s sep prt xs = [Pretty.block (Pretty.breaks (Pretty.str s :: 

19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19422
diff
changeset

1152 
flat (Library.separate sep (map (Library.single o prt) xs))))]; 
10810  1153 

18609  1154 
fun prt_case (name, (fixes, (asms, (lets, cs)))) = Pretty.block (Pretty.fbreaks 
10810  1155 
(Pretty.str (name ^ ":") :: 
11915  1156 
prt_sect "fix" [] (Pretty.str o fst) fixes @ 
10810  1157 
prt_sect "let" [Pretty.str "and"] prt_let 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19422
diff
changeset

1158 
(map_filter (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

1159 
(if forall (null o #2) asms then [] 
18609  1160 
else prt_sect "assume" [Pretty.str "and"] prt_asm asms) @ 
1161 
prt_sect "subcases:" [] (Pretty.str o fst) cs)); 

16540  1162 

18476  1163 
fun add_case (_, (_, false)) = I 
18609  1164 
 add_case (name, (c as RuleCases.Case {fixes, ...}, true)) = 
1165 
cons (name, (fixes, #1 (case_result c ctxt))); 

18476  1166 
val cases = fold add_case (cases_of ctxt) []; 
10810  1167 
in 
1168 
if null cases andalso not (! verbose) then [] 

18476  1169 
else [Pretty.big_list "cases:" (map prt_case cases)] 
10810  1170 
end; 
1171 

1172 
val print_cases = Pretty.writeln o Pretty.chunks o pretty_cases; 

1173 

1174 

12057  1175 
(* core context *) 
10810  1176 

20367  1177 
val prems_limit = ref ~1; 
10810  1178 

18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1179 
fun pretty_ctxt ctxt = 
20310  1180 
if ! prems_limit < 0 andalso not (! debug) then [] 
1181 
else 

1182 
let 

1183 
val prt_term = pretty_term ctxt; 

12057  1184 

20310  1185 
(*structures*) 
1186 
val structs = LocalSyntax.structs_of (syntax_of ctxt); 

1187 
val prt_structs = if null structs then [] 

1188 
else [Pretty.block (Pretty.str "structures:" :: Pretty.brk 1 :: 

1189 
Pretty.commas (map Pretty.str structs))]; 

12093  1190 

20310  1191 
(*fixes*) 
1192 
fun prt_fix (x, x') = 

1193 
if x = x' then Pretty.str x 

1194 
else Pretty.block [Pretty.str x, Pretty.str " =", Pretty.brk 1, prt_term (Syntax.free x')]; 

1195 
val fixes = 

1196 
rev (filter_out ((can Name.dest_internal orf member (op =) structs) o #1) 

1197 
(Variable.fixes_of ctxt)); 

1198 
val prt_fixes = if null fixes then [] 

1199 
else [Pretty.block (Pretty.str "fixed variables:" :: Pretty.brk 1 :: 

1200 
Pretty.commas (map prt_fix fixes))]; 

12057  1201 

20310  1202 
(*prems*) 
1203 
val prems = Assumption.prems_of ctxt; 

1204 
val len = length prems; 

20367  1205 
val suppressed = len  ! prems_limit; 
20310  1206 
val prt_prems = if null prems then [] 
20367  1207 
else [Pretty.big_list "prems:" ((if suppressed <= 0 then [] else [Pretty.str "..."]) @ 
1208 
map (pretty_thm ctxt) (Library.drop (suppressed, prems)))]; 

20310  1209 
in prt_structs @ prt_fixes @ prt_prems end; 
10810  1210 

1211 

1212 
(* main context *) 

1213 

16540  1214 
fun pretty_context ctxt = 
10810  1215 
let 
12057  1216 
val prt_term = pretty_term ctxt; 
1217 
val prt_typ = pretty_typ ctxt; 

1218 
val prt_sort = pretty_sort ctxt; 

10810  1219 

1220 
(*theory*) 

12057  1221 
val pretty_thy = Pretty.block 
17384  1222 
[Pretty.str "theory:", Pretty.brk 1, Context.pretty_thy (theory_of ctxt)]; 
10810  1223 

1224 
(*defaults*) 

1225 
fun prt_atom prt prtT (x, X) = Pretty.block 

1226 
[prt x, Pretty.str " ::", Pretty.brk 1, prtT X]; 

1227 

1228 
fun prt_var (x, ~1) = prt_term (Syntax.free x) 

1229 
 prt_var xi = prt_term (Syntax.var xi); 

1230 

1231 
fun prt_varT (x, ~1) = prt_typ (TFree (x, [])) 

1232 
 prt_varT xi = prt_typ (TVar (xi, [])); 

1233 

1234 
val prt_defT = prt_atom prt_var prt_typ; 

1235 
val prt_defS = prt_atom prt_varT prt_sort; 

16540  1236 

20163  1237 
val (types, sorts) = Variable.constraints_of ctxt; 
10810  1238 
in 
18609  1239 
verb single (K pretty_thy) @ 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1240 
pretty_ctxt ctxt @ 
21728  1241 
verb (pretty_abbrevs false) (K ctxt) @ 
10810  1242 
verb pretty_binds (K ctxt) @ 
12057  1243 
verb pretty_lthms (K ctxt) @ 