author  wenzelm 
Wed, 29 Nov 2006 04:11:16 +0100  
changeset 21583  6fb553dc039b 
parent 21569  a0d0ea84521d 
child 21593  282c40fb001a 
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 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 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 fact_index_of: Proof.context > FactIndex.T 
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val transfer: theory > Proof.context > Proof.context 

20367  24 
val theory: (theory > theory) > Proof.context > Proof.context 
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val theory_result: (theory > 'a * theory) > Proof.context > 'a * Proof.context 

20310  26 
val pretty_term: 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 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_standard: Proof.context > Proof.context > thm list > thm list 

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val standard: Proof.context > thm list > thm list 
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val export_morphism: Proof.context > Proof.context > morphism 
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val export_standard_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 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 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 expand_abbrevs: bool > Proof.context > Proof.context 

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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 add_abbrevs: Syntax.mode > ((bstring * mixfix) * term) list > Proof.context > 
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(term * term) list * 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_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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18708  199 
val _ = Context.add_setup ContextData.init; 
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16540  201 
fun rep_context ctxt = ContextData.get ctxt > (fn Ctxt args => args); 
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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  211 
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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19001  215 
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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19001  227 
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  233 

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val naming_of = #naming o rep_context; 

19387  235 
val full_name = NameSpace.full o naming_of; 
5819  236 

16540  237 
val syntax_of = #syntax o rep_context; 
19001  238 
val syn_of = LocalSyntax.syn_of o syntax_of; 
19543  239 
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  241 

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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  244 

16540  245 
val thms_of = #thms o rep_context; 
19001  246 
val fact_index_of = #2 o thms_of; 
16540  247 

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val cases_of = #cases o rep_context; 

5819  249 

250 

20367  251 
(* theory transfer *) 
12093  252 

19001  253 
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); 
17072  260 

19001  261 
fun transfer thy = Context.transfer_proof thy #> transfer_syntax thy; 
17072  262 

20367  263 
fun theory f ctxt = transfer (f (theory_of ctxt)) ctxt; 
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265 
fun theory_result f ctxt = 

266 
let val (res, thy') = f (theory_of ctxt) 

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

19019  268 

12093  269 

270 

14828  271 
(** pretty printing **) 
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19310  273 
local 
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19371  275 
fun rewrite_term thy rews t = 
276 
if can Term.type_of t then Pattern.rewrite_term thy rews [] t 

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else (warning "Printing illtyped term  cannot expand abbreviations"; t); 

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19001  279 
fun pretty_term' abbrevs ctxt t = 
18971  280 
let 
19001  281 
val thy = theory_of ctxt; 
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val syntax = syntax_of ctxt; 

18971  283 
val consts = consts_of ctxt; 
19001  284 
val t' = t 
21569  285 
> abbrevs ? rewrite_term thy (Consts.abbrevs_of consts (! print_mode @ [""])) 
19371  286 
> Sign.extern_term (Consts.extern_early consts) thy 
287 
> LocalSyntax.extern_term syntax; 

288 
in 

289 
Sign.pretty_term' (Context.Proof ctxt) (LocalSyntax.syn_of syntax) (Consts.extern consts) t' 

290 
end; 

18971  291 

19310  292 
in 
293 

19001  294 
val pretty_term = pretty_term' true; 
19310  295 
val pretty_term_no_abbrevs = pretty_term' false; 
296 

297 
end; 

298 

16458  299 
fun pretty_typ ctxt T = Sign.pretty_typ (theory_of ctxt) T; 
300 
fun pretty_sort ctxt S = Sign.pretty_sort (theory_of ctxt) S; 

301 
fun pretty_classrel ctxt cs = Sign.pretty_classrel (theory_of ctxt) cs; 

302 
fun pretty_arity ctxt ar = Sign.pretty_arity (theory_of ctxt) ar; 

14828  303 

14974
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304 
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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changeset

305 
pretty_classrel ctxt, pretty_arity ctxt); 
14828  306 

20253  307 
fun pretty_thm_legacy quote th = 
20234
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
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diff
changeset

308 
let 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
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diff
changeset

309 
val thy = Thm.theory_of_thm th; 
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added legacy_pretty_thm (with fallback on ProtoPure.thy);
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diff
changeset

310 
val pp = 
7e0693474bcd
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diff
changeset

311 
if Theory.eq_thy (thy, ProtoPure.thy) then Sign.pp thy 
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added legacy_pretty_thm (with fallback on ProtoPure.thy);
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diff
changeset

312 
else pp (init thy); 
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added legacy_pretty_thm (with fallback on ProtoPure.thy);
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diff
changeset

313 
in Display.pretty_thm_aux pp quote false [] th end; 
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added legacy_pretty_thm (with fallback on ProtoPure.thy);
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diff
changeset

314 

17451  315 
fun pretty_thm ctxt th = 
20575  316 
let 
317 
val thy = theory_of ctxt; 

318 
val (pp, asms) = 

319 
if Theory.eq_thy (thy, ProtoPure.thy) then (Sign.pp thy, []) 

21583  320 
else (pp ctxt, map Thm.term_of (Assumption.assms_of ctxt)); 
20575  321 
in Display.pretty_thm_aux pp false true asms th end; 
14828  322 

323 
fun pretty_thms ctxt [th] = pretty_thm ctxt th 

324 
 pretty_thms ctxt ths = Pretty.blk (0, Pretty.fbreaks (map (pretty_thm ctxt) ths)); 

325 

326 
fun pretty_fact ctxt ("", ths) = pretty_thms ctxt ths 

327 
 pretty_fact ctxt (a, [th]) = 

328 
Pretty.block [Pretty.str (a ^ ":"), Pretty.brk 1, pretty_thm ctxt th] 

329 
 pretty_fact ctxt (a, ths) = 

330 
Pretty.block (Pretty.fbreaks (Pretty.str (a ^ ":") :: map (pretty_thm ctxt) ths)); 

331 

17072  332 
fun pretty_proof ctxt prf = 
19310  333 
pretty_term_no_abbrevs (ctxt > transfer_syntax (ProofSyntax.proof_syntax prf (theory_of ctxt))) 
17072  334 
(ProofSyntax.term_of_proof prf); 
335 

336 
fun pretty_proof_of ctxt full th = 

337 
pretty_proof ctxt (ProofSyntax.proof_of full th); 

338 

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

339 
val string_of_typ = Pretty.string_of oo pretty_typ; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
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17756
diff
changeset

340 
val string_of_term = Pretty.string_of oo pretty_term; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
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diff
changeset

341 
val string_of_thm = Pretty.string_of oo pretty_thm; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
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diff
changeset

342 

14828  343 

344 

5819  345 
(** prepare types **) 
346 

9504  347 
local 
348 

349 
fun read_typ_aux read ctxt s = 

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

350 
read (syn_of ctxt) (Context.Proof ctxt) (Variable.def_sort ctxt) s; 
5819  351 

10554  352 
fun cert_typ_aux cert ctxt raw_T = 
18678  353 
cert (theory_of ctxt) raw_T handle TYPE (msg, _, _) => error msg; 
9504  354 

355 
in 

356 

16348  357 
val read_typ = read_typ_aux Sign.read_typ'; 
358 
val read_typ_syntax = read_typ_aux Sign.read_typ_syntax'; 

359 
val read_typ_abbrev = read_typ_aux Sign.read_typ_abbrev'; 

360 
val cert_typ = cert_typ_aux Sign.certify_typ; 

361 
val cert_typ_syntax = cert_typ_aux Sign.certify_typ_syntax; 

362 
val cert_typ_abbrev = cert_typ_aux Sign.certify_typ_abbrev; 

9504  363 

364 
end; 

365 

5819  366 

7679  367 
(* internalize Skolem constants *) 
368 

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

369 
val lookup_skolem = AList.lookup (op =) o Variable.fixes_of; 
18187  370 
fun get_skolem ctxt x = the_default x (lookup_skolem ctxt x); 
7679  371 

18678  372 
fun no_skolem internal x = 
20086
94ca946fb689
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wenzelm
parents:
20049
diff
changeset

373 
if can Name.dest_skolem x then 
18678  374 
error ("Illegal reference to internal Skolem constant: " ^ quote x) 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

375 
else if not internal andalso can Name.dest_internal x then 
18678  376 
error ("Illegal reference to internal variable: " ^ quote x) 
7679  377 
else x; 
378 

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

379 
fun intern_skolem ctxt internal = 
7679  380 
let 
381 
fun intern (t as Free (x, T)) = 

14720
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cleanup up read functions, include liberal versions;
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diff
changeset

382 
if internal x then t 
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

383 
else 
18678  384 
(case lookup_skolem ctxt (no_skolem false x) of 
15531  385 
SOME x' => Free (x', T) 
386 
 NONE => t) 

7679  387 
 intern (t $ u) = intern t $ intern u 
388 
 intern (Abs (x, T, t)) = Abs (x, T, intern t) 

389 
 intern a = a; 

390 
in intern end; 

391 

392 

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

393 
(* revert Skolem constants  approximation only! *) 
18255  394 

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

395 
fun revert_skolem ctxt = 
9133  396 
let 
20244
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

397 
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

398 
val revert = AList.lookup (op =) rev_fixes; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

399 
in 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

400 
fn x => 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

401 
(case revert x of 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

402 
SOME x' => x' 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

403 
 NONE => perhaps (try Name.dest_skolem) x) 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

404 
end; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

405 

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

406 
fun revert_skolems ctxt = 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

407 
let 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

408 
val revert = revert_skolem ctxt; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

409 
fun reverts (Free (x, T)) = Free (revert x, T) 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

410 
 reverts (t $ u) = reverts t $ reverts u 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

411 
 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

412 
 reverts a = a; 
89a407400874
replaced extern_skolem by slightly more simplistic revert_skolems;
wenzelm
parents:
20234
diff
changeset

413 
in reverts end 
9133  414 

8096  415 

18187  416 

5819  417 
(** prepare terms and propositions **) 
418 

419 
(* 

16501  420 
(1) read / certify wrt. theory of context 
5819  421 
(2) intern Skolem constants 
422 
(3) expand term bindings 

423 
*) 

424 

425 

16501  426 
(* read wrt. theory *) (*exception ERROR*) 
5819  427 

18857  428 
fun read_def_termTs freeze pp syn ctxt (types, sorts, used) sTs = 
18971  429 
Sign.read_def_terms' pp (Sign.is_logtype (theory_of ctxt)) syn (consts_of ctxt) 
18857  430 
(Context.Proof ctxt) (types, sorts) used freeze sTs; 
5874  431 

18857  432 
fun read_def_termT freeze pp syn ctxt defaults sT = 
433 
apfst hd (read_def_termTs freeze pp syn ctxt defaults [sT]); 

14828  434 

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

435 
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

436 
#1 (read_def_termT freeze pp syn thy defaults (s, TypeInfer.logicT)); 
5874  437 

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

438 
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

439 
#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

440 

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

441 
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

442 
#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

443 

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

444 
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

445 
#1 o read_def_termTs freeze pp syn thy defaults o map (rpair propT); 
5819  446 

447 

19001  448 
(* local abbreviations *) 
5819  449 

19371  450 
fun certify_consts ctxt = 
19001  451 
Consts.certify (pp ctxt) (tsig_of ctxt) (consts_of ctxt); 
452 

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

453 
fun reject_schematic (Var (xi, _)) = 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

454 
error ("Unbound schematic variable: " ^ Syntax.string_of_vname xi) 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

455 
 reject_schematic (Abs (_, _, t)) = reject_schematic t 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

456 
 reject_schematic (t $ u) = (reject_schematic t; reject_schematic u) 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

457 
 reject_schematic _ = (); 
5819  458 

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

459 
fun expand_binds ctxt schematic = 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

460 
Variable.expand_binds ctxt #> (if schematic then I else tap reject_schematic); 
5819  461 

462 

6550  463 
(* dummy patterns *) 
464 

18310  465 
val prepare_dummies = 
466 
let val next = ref 1 in 

467 
fn t => 

468 
let val (i, u) = Term.replace_dummy_patterns (! next, t) 

469 
in next := i; u end 

470 
end; 

6762  471 

18678  472 
fun reject_dummies t = Term.no_dummy_patterns t 
473 
handle TERM _ => error "Illegal dummy pattern(s) in term"; 

6550  474 

475 

5819  476 
(* read terms *) 
477 

10554  478 
local 
479 

15531  480 
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

481 

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

482 
fun gen_read' read app pattern schematic 
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

483 
ctxt internal more_types more_sorts more_used s = 
14174
f3cafd2929d5
Methods rule_tac etc support static (Isar) contexts.
ballarin
parents:
13629
diff
changeset

484 
let 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

485 
val types = append_env (Variable.def_type ctxt pattern) more_types; 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

486 
val sorts = append_env (Variable.def_sort ctxt) more_sorts; 
20163  487 
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

488 
in 
18857  489 
(read (pp ctxt) (syn_of ctxt) ctxt (types, sorts, used) s 
18678  490 
handle TERM (msg, _) => error msg) 
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

491 
> app (intern_skolem ctxt internal) 
19371  492 
> app (certify_consts ctxt) 
19001  493 
> app (if pattern then I else expand_binds ctxt schematic) 
18678  494 
> app (if pattern then prepare_dummies else reject_dummies) 
14720
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

495 
end; 
ceff6d4fb836
cleanup up read functions, include liberal versions;
wenzelm
parents:
14707
diff
changeset

496 

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

497 
fun gen_read read app pattern schematic ctxt = 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

498 
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

499 

10554  500 
in 
501 

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

502 
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

503 
val read_termTs_schematic = gen_read' (read_def_termTs false) (apfst o map) false true; 
8096  504 

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

505 
fun read_term_pats T ctxt = 
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

506 
#1 o gen_read (read_def_termTs false) (apfst o map) true false ctxt o map (rpair T); 
8096  507 
val read_prop_pats = read_term_pats propT; 
508 

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

509 
fun read_term_legacy ctxt = 
16458  510 
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

511 

19143  512 
val read_term = gen_read (read_term_thy true) I false false; 
513 
val read_prop = gen_read (read_prop_thy true) I false false; 

514 
val read_prop_schematic = gen_read (read_prop_thy true) I false true; 

515 
val read_terms = gen_read (read_terms_thy true) map false false; 

516 
fun read_props schematic = gen_read (read_props_thy true) map false schematic; 

5819  517 

10554  518 
end; 
519 

5819  520 

521 
(* certify terms *) 

522 

10554  523 
local 
524 

18971  525 
fun gen_cert prop pattern schematic ctxt t = t 
19371  526 
> certify_consts ctxt 
19001  527 
> (if pattern then I else expand_binds ctxt schematic) 
19371  528 
> (fn t' => #1 (Sign.certify' false prop (pp ctxt) (consts_of ctxt) (theory_of ctxt) t') 
18678  529 
handle TYPE (msg, _, _) => error msg 
530 
 TERM (msg, _) => error msg); 

16501  531 

10554  532 
in 
8096  533 

18971  534 
val cert_term = gen_cert false false false; 
535 
val cert_prop = gen_cert true false false; 

536 
val cert_props = map oo gen_cert true false; 

10554  537 

18971  538 
fun cert_term_pats _ = map o gen_cert false true false; 
539 
val cert_prop_pats = map o gen_cert true true false; 

10554  540 

541 
end; 

5819  542 

543 

18770  544 
(* inferred types of parameters *) 
545 

546 
fun infer_type ctxt x = 

547 
(case try (fn () => 

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

548 
Sign.infer_types (pp ctxt) (theory_of ctxt) (consts_of ctxt) (Variable.def_type ctxt false) 
20163  549 
(Variable.def_sort ctxt) (Variable.names_of ctxt) true 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

550 
([Free (x, dummyT)], TypeInfer.logicT)) () of 
18770  551 
SOME (Free (_, T), _) => T 
552 
 _ => error ("Failed to infer type of fixed variable " ^ quote x)); 

553 

554 
fun inferred_param x ctxt = 

18619  555 
let val T = infer_type ctxt x 
20163  556 
in ((x, T), ctxt > Variable.declare_term (Free (x, T))) end; 
18619  557 

18770  558 
fun inferred_fixes ctxt = 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

559 
fold_map inferred_param (rev (map #2 (Variable.fixes_of ctxt))) ctxt; 
5819  560 

561 

15703  562 
(* type and constant names *) 
563 

564 
fun read_tyname ctxt c = 

20163  565 
if Syntax.is_tid c then 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

566 
TFree (c, the_default (Sign.defaultS (theory_of ctxt)) (Variable.def_sort ctxt (c, ~1))) 
16458  567 
else Sign.read_tyname (theory_of ctxt) c; 
15703  568 

569 
fun read_const ctxt c = 

570 
(case lookup_skolem ctxt c of 

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

571 
SOME x => Free (x, infer_type ctxt x) 
18971  572 
 NONE => Consts.read_const (consts_of ctxt) c); 
15703  573 

574 

9553  575 

576 
(** export theorems **) 

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

577 

21531  578 
(* rules *) 
579 

20310  580 
fun common_export is_goal inner outer = 
581 
map (Assumption.export is_goal inner outer) #> 

582 
Variable.export inner outer; 

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

583 

20310  584 
val goal_export = common_export true; 
585 
val export = common_export false; 

12704  586 

19847  587 
fun export_standard inner outer = 
19916
3bbb9cc5d4f1
export: simultaneous facts, refer to Variable.export;
wenzelm
parents:
19897
diff
changeset

588 
export inner outer #> map Drule.local_standard; 
7925  589 

20631  590 
fun standard ctxt = export_standard ctxt ctxt; 
591 

5819  592 

21531  593 
(* morphisms *) 
594 

595 
fun export_morphism inner outer = 

596 
Assumption.export_morphism inner outer $> 

597 
Variable.export_morphism inner outer; 

598 

599 
fun export_standard_morphism inner outer = 

600 
export_morphism inner outer $> 

601 
Morphism.thm_morphism Drule.local_standard; 

602 

603 

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

604 

5819  605 
(** bindings **) 
606 

8096  607 
(* simult_matches *) 
608 

19867  609 
fun simult_matches ctxt (t, pats) = 
610 
(case Seq.pull (Unify.matchers (theory_of ctxt) (map (rpair t) pats)) of 

611 
NONE => error "Pattern match failed!" 

612 
 SOME (env, _) => map (apsnd snd) (Envir.alist_of env)); 

8096  613 

614 

615 
(* add_binds(_i) *) 

5819  616 

7925  617 
local 
618 

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

619 
fun gen_bind prep (xi as (x, _), raw_t) ctxt = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

620 
ctxt > Variable.add_binds [(xi, Option.map (prep ctxt) raw_t)]; 
5819  621 

10810  622 
in 
623 

20330  624 
fun drop_schematic (b as (xi, SOME t)) = if Term.exists_subterm is_Var t then (xi, NONE) else b 
10554  625 
 drop_schematic b = b; 
626 

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

627 
val add_binds = fold (gen_bind read_term); 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

628 
val add_binds_i = fold (gen_bind cert_term); 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

629 

16458  630 
fun auto_bind f ts ctxt = ctxt > add_binds_i (map drop_schematic (f (theory_of ctxt) ts)); 
12147  631 
val auto_bind_goal = auto_bind AutoBind.goal; 
632 
val auto_bind_facts = auto_bind AutoBind.facts; 

7925  633 

634 
end; 

5819  635 

636 

8096  637 
(* match_bind(_i) *) 
5819  638 

8096  639 
local 
640 

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

641 
fun prep_bind prep_pats (raw_pats, t) ctxt = 
5819  642 
let 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

643 
val ctxt' = Variable.declare_term t ctxt; 
19585  644 
val pats = prep_pats (Term.fastype_of t) ctxt' raw_pats; 
645 
val binds = simult_matches ctxt' (t, pats); 

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

646 
in (binds, ctxt') end; 
7670  647 

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

648 
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

649 
let 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

650 
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

651 
val (binds, ctxt') = 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19422
diff
changeset

652 
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

653 
val binds' = 
19916
3bbb9cc5d4f1
export: simultaneous facts, refer to Variable.export;
wenzelm
parents:
19897
diff
changeset

654 
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

655 
else binds; 
15531  656 
val binds'' = map (apsnd SOME) binds'; 
18310  657 
val ctxt'' = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

658 
tap (Variable.warn_extra_tfrees ctxt) 
18310  659 
(if gen then 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

660 
ctxt (*sic!*) > fold Variable.declare_term (map #2 binds') > add_binds_i binds'' 
18310  661 
else ctxt' > add_binds_i binds''); 
662 
in (ts, ctxt'') end; 

8096  663 

664 
in 

5935  665 

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

666 
val match_bind = gen_binds read_terms read_term_pats; 
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

667 
val match_bind_i = gen_binds (map o cert_term) cert_term_pats; 
8096  668 

669 
end; 

5935  670 

671 

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

672 
(* propositions with patterns *) 
5935  673 

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

674 
local 
8096  675 

10554  676 
fun prep_propp schematic prep_props prep_pats (context, args) = 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

677 
let 
19585  678 
fun prep (_, raw_pats) (ctxt, prop :: props) = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

679 
let val ctxt' = Variable.declare_term prop ctxt 
19585  680 
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

681 
 prep _ _ = sys_error "prep_propp"; 
b4cf247ea0d2
note_thmss, read/cert_vars etc.: natural argument order;
wenzelm
parents:
17756
diff
changeset

682 
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

683 
(context, prep_props schematic context (maps (map fst) args)); 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

684 
in (context', propp) end; 
5935  685 

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

686 
fun gen_bind_propp prepp (ctxt, raw_args) = 
8096  687 
let 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

688 
val (ctxt', args) = prepp (ctxt, raw_args); 
19585  689 
val binds = flat (flat (map (map (simult_matches ctxt')) args)); 
10465
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

690 
val propss = map (map #1) args; 
8616
90d2fed59be1
support HindleyMilner polymorphisms in binds and facts;
wenzelm
parents:
8462
diff
changeset

691 

10554  692 
(*generalize result: context evaluated now, binds added later*) 
19916
3bbb9cc5d4f1
export: simultaneous facts, refer to Variable.export;
wenzelm
parents:
19897
diff
changeset

693 
val gen = Variable.exportT_terms ctxt' ctxt; 
15531  694 
fun gen_binds c = c > add_binds_i (map #1 binds ~~ map SOME (gen (map #2 binds))); 
695 
in (ctxt' > add_binds_i (map (apsnd SOME) binds), (propss, gen_binds)) end; 

8096  696 

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

697 
in 
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

698 

11925  699 
val read_propp = prep_propp false read_props read_prop_pats; 
700 
val cert_propp = prep_propp false cert_props cert_prop_pats; 

10554  701 
val read_propp_schematic = prep_propp true read_props read_prop_pats; 
702 
val cert_propp_schematic = prep_propp true cert_props cert_prop_pats; 

703 

11925  704 
val bind_propp = gen_bind_propp read_propp; 
705 
val bind_propp_i = gen_bind_propp cert_propp; 

706 
val bind_propp_schematic = gen_bind_propp read_propp_schematic; 

10554  707 
val bind_propp_schematic_i = gen_bind_propp cert_propp_schematic; 
6789  708 

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

709 
end; 
4aa6f8b5cdc4
added read_terms, read_props (simulataneous typeinference);
wenzelm
parents:
10381
diff
changeset

710 

6789  711 

5819  712 

713 
(** theorems **) 

714 

18042  715 
(* fact_tac *) 
716 

18122  717 
fun comp_incr_tac [] _ st = no_tac st 
718 
 comp_incr_tac (th :: ths) i st = 

719 
(Goal.compose_hhf_tac (Drule.incr_indexes st th) i APPEND comp_incr_tac ths i) st; 

18042  720 

18122  721 
fun fact_tac facts = Tactic.norm_hhf_tac THEN' comp_incr_tac facts; 
722 

723 
fun some_fact_tac ctxt = SUBGOAL (fn (goal, i) => 

18042  724 
let 
19001  725 
val index = fact_index_of ctxt; 
18042  726 
val facts = FactIndex.could_unify index (Term.strip_all_body goal); 
727 
in fact_tac facts i end); 

728 

729 

6091  730 
(* get_thm(s) *) 
5819  731 

18042  732 
fun retrieve_thms _ pick ctxt (Fact s) = 
16501  733 
let 
20049  734 
val th = Goal.prove ctxt [] [] (read_prop ctxt s) (K (ALLGOALS (some_fact_tac ctxt))) 
18678  735 
handle ERROR msg => cat_error msg "Failed to retrieve literal fact."; 
18042  736 
in pick "" [th] end 
737 
 retrieve_thms from_thy pick ctxt xthmref = 

738 
let 

739 
val thy = theory_of ctxt; 

19001  740 
val (space, tab) = #1 (thms_of ctxt); 
16501  741 
val thmref = PureThy.map_name_of_thmref (NameSpace.intern space) xthmref; 
742 
val name = PureThy.name_of_thmref thmref; 

743 
in 

17412  744 
(case Symtab.lookup tab name of 
16540  745 
SOME ths => map (Thm.transfer thy) (PureThy.select_thm thmref ths) 
746 
 NONE => from_thy thy xthmref) > pick name 

18042  747 
end; 
5819  748 

9566  749 
val get_thm = retrieve_thms PureThy.get_thms PureThy.single_thm; 
750 
val get_thm_closure = retrieve_thms PureThy.get_thms_closure PureThy.single_thm; 

751 
val get_thms = retrieve_thms PureThy.get_thms (K I); 

752 
val get_thms_closure = retrieve_thms PureThy.get_thms_closure (K I); 

5819  753 

754 

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

755 
(* valid_thms *) 
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 
fun valid_thms ctxt (name, ths) = 
18678  758 
(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

759 
NONE => false 
16147  760 
 SOME ths' => Thm.eq_thms (ths, ths')); 
16031
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

761 

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

762 

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

763 
(* lthms_containing *) 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

764 

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

765 
fun lthms_containing ctxt spec = 
fbf3471214d6
moved everything related to thms_containing to find_theorems.ML;
wenzelm
parents:
15979
diff
changeset

766 
FactIndex.find (fact_index_of ctxt) spec 
21569  767 
> map (fn (name, ths) => 
768 
if valid_thms ctxt (name, ths) then (name, ths) 

769 
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

770 

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

771 

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

772 
(* name space operations *) 
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset

773 

19062
0fd52e819c24
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19033
diff
changeset

774 
val no_base_names = map_naming NameSpace.no_base_names; 
16147  775 
val qualified_names = map_naming NameSpace.qualified_names; 
19062
0fd52e819c24
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19033
diff
changeset

776 
val sticky_prefix = map_naming o NameSpace.sticky_prefix; 
0fd52e819c24
replaced qualified_force_prefix to sticky_prefix;
wenzelm
parents:
19033
diff
changeset

777 
val restore_naming = map_naming o K o naming_of; 
12309
03e9287be350
name space for local thms (export cond_extern, qualified);
wenzelm
parents:
12291
diff
changeset

778 

19001  779 
fun hide_thms fully names = map_thms (fn ((space, tab), index) => 
780 
((fold (NameSpace.hide fully) names space, tab), index)); 

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

781 

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

782 

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

783 
(* put_thms *) 
5819  784 

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

785 
fun update_thms _ ("", NONE) ctxt = ctxt 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

786 
 update_thms do_index ("", 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

787 
let 
20163  788 
val index' = FactIndex.add_local do_index ("", ths) index; 
19001  789 
in (facts, index') end) 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

790 
 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

791 
let 
19387  792 
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

793 
val tab' = Symtab.delete_safe name tab; 
19001  794 
in ((space, tab'), index) end) 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

795 
 update_thms do_index (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

796 
let 
19387  797 
val name = full_name ctxt bname; 
19001  798 
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

799 
val tab' = Symtab.update (name, ths) tab; 
20163  800 
val index' = FactIndex.add_local do_index (name, ths) index; 
19001  801 
in ((space', tab'), index') end); 
5819  802 

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

803 
fun put_thms thms ctxt = 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

804 
ctxt > map_naming (K local_naming) > update_thms false thms > restore_naming ctxt; 
19079
9a7678a0736d
added put_thms_internal: local_naming, no fact index;
wenzelm
parents:
19062
diff
changeset

805 

7606  806 

14564  807 
(* note_thmss *) 
5819  808 

12711  809 
local 
16147  810 

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

811 
fun gen_note_thmss get k = fold_map (fn ((bname, more_attrs), raw_facts) => fn ctxt => 
5819  812 
let 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

813 
val stmt = is_stmt ctxt; 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

814 
val kind = if stmt then [] else [PureThy.kind k]; 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

815 

21569  816 
val facts = map (apfst (get ctxt)) raw_facts; 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

817 
fun app (th, attrs) x = 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

818 
swap (foldl_map (Thm.proof_attributes (attrs @ more_attrs @ kind)) (x, th)); 
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

819 
val (res, ctxt') = fold_map app facts ctxt; 
21569  820 
val thms = flat res; 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

821 
in ((bname, thms), ctxt' > update_thms stmt (bname, SOME thms)) end); 
12711  822 

823 
in 

824 

16147  825 
val note_thmss = gen_note_thmss get_thms; 
826 
val note_thmss_i = gen_note_thmss (K I); 

15696  827 

12711  828 
end; 
9196  829 

5819  830 

831 

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

832 
(** parameters **) 
17360
fa1f262dbc4e
added add_view, export_view (supercedes adhoc view arguments);
wenzelm
parents:
17221
diff
changeset

833 

8096  834 
(* variables *) 
835 

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

836 
fun declare_var (x, opt_T, mx) ctxt = 
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

837 
let val T = (case opt_T of SOME T => T  NONE => TypeInfer.mixfixT mx) 
20163  838 
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

839 

10381  840 
local 
841 

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

842 
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

843 
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

844 
let 
19371  845 
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

846 
val _ = 
18678  847 
if not legacy andalso not (Syntax.is_identifier (no_skolem internal x)) then 
848 
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

849 
else (); 
12504  850 

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

851 
fun cond_tvars T = 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

852 
if internal then T 
18678  853 
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

854 
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

855 
val var = (x, opt_T, mx); 
19001  856 
in (var, ctxt > declare_var var > #2) end); 
8096  857 

10381  858 
in 
859 

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

860 
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

861 
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

862 
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

863 
val cert_vars_legacy = prep_vars cert_typ true true; 
8096  864 

10381  865 
end; 
866 

8096  867 

19681  868 
(* authentic constants *) 
19663  869 

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

870 
fun const_syntax ctxt (Free (x, T), mx) = SOME (true, (x, T, mx)) 
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

871 
 const_syntax ctxt (Const (c, _), mx) = SOME (false, Consts.syntax (consts_of ctxt) (c, mx)) 
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

872 
 const_syntax _ _ = NONE; 
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

873 

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

874 
fun add_notation prmode args ctxt = 
19663  875 
ctxt > map_syntax 
21208
62ccdaf9369a
replaced const_syntax by notation, which operates on terms;
wenzelm
parents:
21183
diff
changeset

876 
(LocalSyntax.add_modesyntax (theory_of ctxt) prmode (map_filter (const_syntax ctxt) args)); 
19663  877 

19681  878 
fun context_const_ast_tr context [Syntax.Variable c] = 
879 
let 

880 
val consts = Context.cases Sign.consts_of consts_of context; 

881 
val c' = Consts.intern consts c; 

882 
val _ = Consts.constraint consts c' handle TYPE (msg, _, _) => error msg; 

883 
in Syntax.Constant (Syntax.constN ^ c') end 

884 
 context_const_ast_tr _ asts = raise Syntax.AST ("const_ast_tr", asts); 

885 

886 
val _ = Context.add_setup 

887 
(Sign.add_syntax 

888 
[("_context_const", "id => 'a", Delimfix "CONST _"), 

889 
("_context_const", "longid => 'a", Delimfix "CONST _")] #> 

890 
Sign.add_advanced_trfuns ([("_context_const", context_const_ast_tr)], [], [], [])); 

891 

19663  892 

19001  893 
(* abbreviations *) 
894 

19371  895 
val expand_abbrevs = map_consts o apsnd o Consts.expand_abbrevs; 
896 

21269  897 
fun add_abbrevs prmode = fold_map (fn ((raw_c, raw_mx), raw_t) => fn ctxt => 
19001  898 
let 
19663  899 
val ([(c, _, mx)], _) = cert_vars [(raw_c, NONE, raw_mx)] ctxt; 
21269  900 
val full_c = full_name ctxt c; 
901 
val c' = Syntax.constN ^ full_c; 

20008
8d9d770e1f06
add_abbrevs/polymorphic: Variable.exportT_terms avoids overgeneralization;
wenzelm
parents:
19916
diff
changeset

902 
val t0 = cert_term (ctxt > expand_abbrevs false) raw_t; 
8d9d770e1f06
add_abbrevs/polymorphic: Variable.exportT_terms avoids overgeneralization;
wenzelm
parents:
19916
diff
changeset

903 
val [t] = Variable.exportT_terms (Variable.declare_term t0 ctxt) ctxt [t0]; 
19019  904 
val T = Term.fastype_of t; 
19001  905 
val _ = 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

906 
if null (Variable.hidden_polymorphism t T) then () 
19001  907 
else error ("Extra type variables on rhs of abbreviation: " ^ quote c); 
908 
in 

909 
ctxt 

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

910 
> Variable.declare_term t 
19673
853f5a3cc06e
always preserve authentic consts  removed Syntax.mixfix_const;
wenzelm
parents:
19663
diff
changeset

911 
> map_consts (apsnd 
19681  912 
(Consts.abbreviate (pp ctxt) (tsig_of ctxt) (naming_of ctxt) (#1 prmode) ((c, t), true))) 
19663  913 
> map_syntax (LocalSyntax.add_modesyntax (theory_of ctxt) prmode [(false, (c', T, mx))]) 
21269  914 
> pair (Const (full_c, T), t) 
19001  915 
end); 
916 

917 

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

918 
(* fixes *) 
5819  919 

8096  920 
local 
921 

19001  922 
fun prep_mixfix (x, T, mx) = 
19019  923 
if mx <> NoSyn andalso mx <> Structure andalso 
20086
94ca946fb689
adapted to more efficient Name/Variable implementation;
wenzelm
parents:
20049
diff
changeset

924 
(can Name.dest_internal x orelse can Name.dest_skolem x) then 
19001  925 
error ("Illegal mixfix syntax for internal/skolem constant " ^ quote x) 
926 
else (true, (x, T, mx)); 

927 

18844  928 
fun gen_fixes prep raw_vars ctxt = 
8096  929 
let 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

930 
val (vars, ctxt') = prep raw_vars ctxt; 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

931 
val (xs', ctxt'') = Variable.add_fixes (map #1 vars) ctxt'; 
8096  932 
in 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

933 
ctxt'' 
19001  934 
> 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

935 
> (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

936 
> pair xs' 
8096  937 
end; 
5819  938 

8096  939 
in 
7679  940 

18844  941 
val add_fixes = gen_fixes read_vars; 
942 
val add_fixes_i = gen_fixes cert_vars; 

943 
val add_fixes_legacy = gen_fixes cert_vars_legacy; 

8096  944 

945 
end; 

5819  946 

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

947 

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

948 
(* fixes vs. frees *) 
12016  949 

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

950 
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

951 
((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

952 

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

953 
fun bind_fixes xs ctxt = 
9291
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

954 
let 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

955 
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

956 
fun bind (t as Free (x, T)) = 
18340  957 
if member (op =) xs x then 
15531  958 
(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

959 
else t 
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

960 
 bind (t $ u) = bind t $ bind u 
23705d14be8f
"_i" arguments now expected to have skolems already internalized;
wenzelm
parents:
9274
diff
changeset

961 
 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

962 
 bind a = a; 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

963 
in (bind, ctxt') end; 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

964 

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

965 

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

966 

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

967 
(** assumptions **) 
18187  968 

20209  969 
local 
970 

971 
fun gen_assms prepp exp args ctxt = 

972 
let 

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

973 
val cert = Thm.cterm_of (theory_of ctxt); 
20209  974 
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

975 
val _ = Variable.warn_extra_tfrees ctxt ctxt1; 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

976 
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

977 
in 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

978 
ctxt2 
7e0693474bcd
added legacy_pretty_thm (with fallback on ProtoPure.thy);
wenzelm
parents:
20209
diff
changeset

979 
> auto_bind_facts (flat propss) 
21443
cc5095d57da4
added stmt mode, which affects naming/indexing of local facts;
wenzelm
parents:
21370
diff
changeset

980 
> 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

981 
> 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

982 
end; 
20209  983 

984 
in 

985 

986 
val add_assms = gen_assms (apsnd #1 o bind_propp); 

987 
val add_assms_i = gen_assms (apsnd #1 o bind_propp_i); 

988 

989 
end; 

990 

991 

5819  992 

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

993 
(** cases **) 
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

994 

16147  995 
local 
996 

16668  997 
fun rem_case name = remove (fn (x: string, (y, _)) => x = y) name; 
16147  998 

18476  999 
fun add_case _ ("", _) cases = cases 
1000 
 add_case _ (name, NONE) cases = rem_case name cases 

1001 
 add_case is_proper (name, SOME c) cases = (name, (c, is_proper)) :: rem_case name cases; 

16147  1002 

18678  1003 
fun prep_case name fxs c = 
18609  1004 
let 
1005 
fun replace (opt_x :: xs) ((y, T) :: ys) = (the_default y opt_x, T) :: replace xs ys 

1006 
 replace [] ys = ys 

18678  1007 
 replace (_ :: _) [] = error ("Too many parameters for case " ^ quote name); 
18609  1008 
val RuleCases.Case {fixes, assumes, binds, cases} = c; 
1009 
val fixes' = replace fxs fixes; 

1010 
val binds' = map drop_schematic binds; 

1011 
in 

1012 
if null (fold (Term.add_tvarsT o snd) fixes []) andalso 

1013 
null (fold (fold Term.add_vars o snd) assumes []) then 

1014 
RuleCases.Case {fixes = fixes', assumes = assumes, binds = binds', cases = cases} 

18678  1015 
else error ("Illegal schematic variable(s) in case " ^ quote name) 
18609  1016 
end; 
1017 

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

1018 
fun fix (x, T) ctxt = 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1019 
let 
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1020 
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

1021 
val t = bind (Free (x, T)); 
20163  1022 
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

1023 

16147  1024 
in 
1025 

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

1026 
fun add_cases is_proper = map_cases o fold (add_case is_proper); 
18609  1027 

1028 
fun case_result c ctxt = 

1029 
let 

1030 
val RuleCases.Case {fixes, ...} = c; 

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

1031 
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

1032 
val RuleCases.Case {assumes, binds, cases, ...} = RuleCases.apply ts c; 
18609  1033 
in 
1034 
ctxt' 

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

1035 
> add_binds_i (map drop_schematic binds) 
18609  1036 
> add_cases true (map (apsnd SOME) cases) 
1037 
> pair (assumes, (binds, cases)) 

1038 
end; 

1039 

1040 
val apply_case = apfst fst oo case_result; 

1041 

16540  1042 
fun get_case ctxt name xs = 
17184  1043 
(case AList.lookup (op =) (cases_of ctxt) name of 
18678  1044 
NONE => error ("Unknown case: " ^ quote name) 
1045 
 SOME (c, _) => prep_case name xs c); 

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

1046 

16147  1047 
end; 
8373
e7237c8fe29e
handling of local contexts: print_cases, get_case, add_cases;
wenzelm
parents:
8186
diff
changeset

1048 

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

1049 

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

1050 

10810  1051 
(** print context information **) 
1052 

20310  1053 
val debug = ref false; 
1054 

10810  1055 
val verbose = ref false; 
1056 
fun verb f x = if ! verbose then f (x ()) else []; 

1057 

1058 
fun setmp_verbose f x = Library.setmp verbose true f x; 

1059 

1060 

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

1061 
(* local syntax *) 
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset

1062 

12093  1063 
val print_syntax = Syntax.print_syntax o syn_of; 
12072
4281198fb8cd
local syntax: add_syntax, proper read/pretty functions;
wenzelm
parents:
12066
diff
changeset

1064 

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

1065 

18971  1066 
(* local consts *) 
1067 

1068 
fun pretty_consts ctxt = 

1069 
let 

19033
24e251657e56
consts: maintain thy version for efficient transfer;
wenzelm
parents:
19019
diff
changeset

1070 
val ((_, globals), (space, consts)) = 
24e251657e56
consts: maintain thy version for efficient transfer;
wenzelm
parents:
19019
diff
changeset

1071 
pairself (#constants o Consts.dest) (#consts (rep_context ctxt)); 
18971  1072 
fun local_abbrev (_, (_, NONE)) = I 
1073 
 local_abbrev (c, (T, SOME t)) = 

1074 
if Symtab.defined globals c then I else cons (c, Logic.mk_equals (Const (c, T), t)); 

1075 
val abbrevs = NameSpace.extern_table (space, Symtab.make (Symtab.fold local_abbrev consts [])); 

1076 
in 

1077 
if null abbrevs andalso not (! verbose) then [] 

19310  1078 
else [Pretty.big_list "abbreviations:" (map (pretty_term_no_abbrevs ctxt o #2) abbrevs)] 
18971  1079 
end; 
1080 

1081 

10810  1082 
(* term bindings *) 
1083 

16540  1084 
fun pretty_binds ctxt = 
10810  1085 
let 
19897
fe661eb3b0e7
ProofContext: moved variable operations to struct Variable;
wenzelm
parents:
19882
diff
changeset

1086 
val binds = Variable.binds_of ctxt; 
19310  1087 
fun prt_bind (xi, (T, t)) = pretty_term_no_abbrevs ctxt (Logic.mk_equals (Var (xi, T), t)); 
10810  1088 
in 
15758
07e382399a96
binds/thms: do not store options, but delete from table;
wenzelm
parents:
15750
diff
changeset

1089 
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

1090 
else [Pretty.big_list "term bindings:" (map prt_bind (Vartab.dest binds))] 
10810  1091 
end; 
1092 

1093 
val print_binds = Pretty.writeln o Pretty.chunks o pretty_binds; 

1094 

1095 

1096 
(* local theorems *) 

1097 

16540  1098 
fun pretty_lthms ctxt = 
20012  1099 
let 
1100 
val props = FactIndex.props (fact_index_of ctxt); 

1101 
val facts = 

1102 
(if null props then I else cons ("unnamed", props)) 

1103 
(NameSpace.extern_table (#1 (thms_of ctxt))); 

1104 
in 

1105 
if null facts andalso not (! verbose) then [] 

1106 
else [Pretty.big_list "facts:" (map (pretty_fact ctxt) facts)] 

1107 
end; 

10810  1108 

12057  1109 
val print_lthms = Pretty.writeln o Pretty.chunks o pretty_lthms; 
10810  1110 

1111 

1112 
(* local contexts *) 

1113 

16540  1114 
fun pretty_cases ctxt = 
10810  1115 
let 
12057  1116 
val prt_term = pretty_term ctxt; 
1117 

10810  1118 
fun prt_let (xi, t) = Pretty.block 
10818  1119 
[Pretty.quote (prt_term (Var (xi, Term.fastype_of t))), Pretty.str " =", Pretty.brk 1, 
10810  1120 
Pretty.quote (prt_term t)]; 
1121 

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

1122 
fun prt_asm (a, ts) = Pretty.block (Pretty.breaks 
119ae829ad9b
support for split assumptions in cases (hyps vs. prems);
wenzelm
parents:
13415
diff
changeset

1123 
((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

1124 

10810  1125 
fun prt_sect _ _ _ [] = [] 
1126 
 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

1127 
flat (Library.separate sep (map (Library.single o prt) xs))))]; 
10810  1128 

18609  1129 
fun prt_case (name, (fixes, (asms, (lets, cs)))) = Pretty.block (Pretty.fbreaks 
10810  1130 
(Pretty.str (name ^ ":") :: 
11915  1131 
prt_sect "fix" [] (Pretty.str o fst) fixes @ 
10810  1132 
prt_sect "let" [Pretty.str "and"] prt_let 
19482
9f11af8f7ef9
tuned basic list operators (flat, maps, map_filter);
wenzelm
parents:
19422
diff
changeset

1133 
(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

1134 
(if forall (null o #2) asms then [] 
18609  1135 
else prt_sect "assume" [Pretty.str "and"] prt_asm asms) @ 
1136 
prt_sect "subcases:" [] (Pretty.str o fst) cs)); 

16540  1137 

18476  1138 
fun add_case (_, (_, false)) = I 
18609  1139 
 add_case (name, (c as RuleCases.Case {fixes, ...}, true)) = 
1140 
cons (name, (fixes, #1 (case_result c ctxt))); 

18476  1141 
val cases = fold add_case (cases_of ctxt) []; 
10810  1142 
in 
1143 
if null cases andalso not (! verbose) then [] 

18476  1144 
else [Pretty.big_list "cases:" (map prt_case cases)] 
10810  1145 
end; 
1146 

1147 
val print_cases = Pretty.writeln o Pretty.chunks o pretty_cases; 

1148 

1149 

12057  1150 
(* core context *) 
10810  1151 

20367  1152 
val prems_limit = ref ~1; 
10810  1153 

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

1154 
fun pretty_ctxt ctxt = 
20310  1155 
if ! prems_limit < 0 andalso not (! debug) then [] 
1156 
else 

1157 
let 

1158 
val prt_term = pretty_term ctxt; 

12057  1159 

20310  1160 
(*structures*) 
1161 
val structs = LocalSyntax.structs_of (syntax_of ctxt); 

1162 
val prt_structs = if null structs then [] 

1163 
else [Pretty.block (Pretty.str "structures:" :: Pretty.brk 1 :: 

1164 
Pretty.commas (map Pretty.str structs))]; 

12093  1165 

20310  1166 
(*fixes*) 
1167 
fun prt_fix (x, x') = 

1168 
if x = x' then Pretty.str x 

1169 
else Pretty.block [Pretty.str x, Pretty.str " =", Pretty.brk 1, prt_term (Syntax.free x')]; 

1170 
val fixes = 

1171 
rev (filter_out ((can Name.dest_internal orf member (op =) structs) o #1) 

1172 
(Variable.fixes_of ctxt)); 

1173 
val prt_fixes = if null fixes then [] 

1174 
else [Pretty.block (Pretty.str "fixed variables:" :: Pretty.brk 1 :: 

1175 
Pretty.commas (map prt_fix fixes))]; 

12057  1176 

20310  1177 
(*prems*) 
1178 
val prems = Assumption.prems_of ctxt; 

1179 
val len = length prems; 

20367  1180 
val suppressed = len  ! prems_limit; 
20310  1181 
val prt_prems = if null prems then [] 
20367  1182 
else [Pretty.big_list "prems:" ((if suppressed <= 0 then [] else [Pretty.str "..."]) @ 
1183 
map (pretty_thm ctxt) (Library.drop (suppressed, prems)))]; 

20310  1184 
in prt_structs @ prt_fixes @ prt_prems end; 
10810  1185 

1186 

1187 
(* main context *) 

1188 

16540  1189 
fun pretty_context ctxt = 
10810  1190 
let 
12057  1191 
val prt_term = pretty_term ctxt; 
1192 
val prt_typ = pretty_typ ctxt; 

1193 
val prt_sort = pretty_sort ctxt; 

10810  1194 

1195 
(*theory*) 

12057  1196 
val pretty_thy = Pretty.block 
17384  1197 
[Pretty.str "theory:", Pretty.brk 1, Context.pretty_thy (theory_of ctxt)]; 
10810  1198 

1199 
(*defaults*) 

1200 
fun prt_atom prt prtT (x, X) = Pretty.block 

1201 
[prt x, Pretty.str " ::", Pretty.brk 1, prtT X]; 

1202 

1203 
fun prt_var (x, ~1) = prt_term (Syntax.free x) 

1204 
 prt_var xi = prt_term (Syntax.var xi); 

1205 

1206 
fun prt_varT (x, ~1) = prt_typ (TFree (x, [])) 

1207 
 prt_varT xi = prt_typ (TVar (xi, [])); 

1208 

1209 
val prt_defT = prt_atom prt_var prt_typ; 

1210 
val prt_defS = prt_atom prt_varT prt_sort; 

16540  1211 

20163  1212 
val (types, sorts) = Variable.constraints_of ctxt; 
10810  1213 
in 
18609  1214 
verb single (K pretty_thy) @ 
18672
ac1a048ca7dd
uniform handling of fixes: read/cert_vars, add_fixes(_i), body flag;
wenzelm
parents:
18619
diff
changeset

1215 
pretty_ctxt ctxt @ 
18971  1216 
verb pretty_consts (K ctxt) @ 
10810  1217 
verb pretty_binds (K ctxt) @ 
12057  1218 
verb pretty_lthms (K ctxt) @ 
10810  1219 
verb pretty_cases (K ctxt) @ 
18609  1220 
verb single (fn () => Pretty.big_list "type constraints:" (map prt_defT (Vartab.dest types))) @ 
20163  1221 
verb single (fn () => Pretty.big_list "default sorts:" (map prt_defS (Vartab.dest sorts))) 
10810  1222 
end; 
1223 

5819  1224 
end; 