Theory HOL-Statespace.StateSpaceSyntax

(*  Title:      HOL/Statespace/StateSpaceSyntax.thy
    Author:     Norbert Schirmer, TU Muenchen
*)

section ‹Syntax for State Space Lookup and Update \label{sec:StateSpaceSyntax}›
theory StateSpaceSyntax
imports StateSpaceLocale
begin

text ‹The state space syntax is kept in an extra theory so that you
can choose if you want to use it or not.›

syntax 
  "_statespace_lookup" :: "('a ⇒ 'b) ⇒ 'a ⇒ 'c"  ("_⋅_" [60, 60] 60)
  "_statespace_update" :: "('a ⇒ 'b) ⇒ 'a ⇒ 'c ⇒ ('a ⇒ 'b)"
  "_statespace_updates" :: "('a ⇒ 'b) ⇒ updbinds ⇒ ('a ⇒ 'b)"  ("_<_>" [900, 0] 900)

translations
  "_statespace_updates f (_updbinds b bs)" ==
    "_statespace_updates (_statespace_updates f b) bs"
  "s<x:=y>" == "_statespace_update s x y"


parse_translation
‹
 [(\<^syntax_const>‹_statespace_lookup›, StateSpace.lookup_tr),
  (\<^syntax_const>‹_statespace_update›, StateSpace.update_tr)]
›


print_translation
‹
 [(\<^const_syntax>‹lookup›, StateSpace.lookup_tr'),
  (\<^const_syntax>‹update›, StateSpace.update_tr')]
›

end