Theory Parser_Pure

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 * A Meta-Model for the Isabelle API
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section‹Instantiating the Parser of (Pure) Term›

theory  Parser_Pure
imports Meta_Pure
        Parser_init
begin

subsection‹Main›

context Parse
begin

definition "of_pure_indexname a b = of_pair a b (of_string a b) (of_nat a b)"

definition "of_pure_class = of_string"

definition "of_pure_sort a b = of_list a b (of_pure_class a b)"

definition "of_pure_typ a b = rec_typ
  (ap2 a (b ‹Type›) (of_string a b) (of_list a b snd))
  (ap2 a (b ‹TFree›) (of_string a b) (of_pure_sort a b))
  (ap2 a (b ‹TVar›) (of_pure_indexname a b) (of_pure_sort a b))"

definition "of_pure_term a b = (λf0 f1 f2 f3 f4 f5. rec_term f0 f1 f2 f3 (co2 K f4) (λ_ _. f5))
  (ap2 a (b ‹Const›) (of_string a b) (of_pure_typ a b))
  (ap2 a (b ‹Free›) (of_string a b) (of_pure_typ a b))
  (ap2 a (b ‹Var›) (of_pure_indexname a b) (of_pure_typ a b))
  (ap1 a (b ‹Bound›) (of_nat a b))
  (ar3 a (b ‹Abs›) (of_string a b) (of_pure_typ a b))
  (ar2 a (b ‹App›) id)"

end

lemmas [code] =
  Parse.of_pure_indexname_def
  Parse.of_pure_class_def
  Parse.of_pure_sort_def
  Parse.of_pure_typ_def
  Parse.of_pure_term_def

end