src/HOL/Library/OptionalSugar.thy
author Christian Sternagel
Wed Aug 29 12:23:14 2012 +0900 (2012-08-29)
changeset 49083 01081bca31b6
parent 42297 140f283266b7
child 55038 f2179be64805
permissions -rw-r--r--
dropped ord and bot instance for list prefixes (use locale interpretation instead, which allows users to decide what order to use on lists)
     1 (*  Title:      HOL/Library/OptionalSugar.thy
     2     Author:     Gerwin Klain, Tobias Nipkow
     3     Copyright   2005 NICTA and TUM
     4 *)
     5 (*<*)
     6 theory OptionalSugar
     7 imports Complex_Main LaTeXsugar
     8 begin
     9 
    10 (* hiding set *)
    11 translations
    12   "xs" <= "CONST set xs"
    13 
    14 (* hiding numeric conversions - embeddings only *)
    15 translations
    16   "n" <= "CONST of_nat n"
    17   "n" <= "CONST int n"
    18   "n" <= "CONST real n"
    19   "n" <= "CONST real_of_nat n"
    20   "n" <= "CONST real_of_int n"
    21   "n" <= "CONST of_real n"
    22   "n" <= "CONST complex_of_real n"
    23 
    24 (* append *)
    25 syntax (latex output)
    26   "_appendL" :: "'a list \<Rightarrow> 'a list \<Rightarrow> 'a list" (infixl "\<^raw:\isacharat>" 65)
    27 translations
    28   "_appendL xs ys" <= "xs @ ys" 
    29   "_appendL (_appendL xs ys) zs" <= "_appendL xs (_appendL ys zs)"
    30 
    31 
    32 (* deprecated, use thm with style instead, will be removed *)
    33 (* aligning equations *)
    34 notation (tab output)
    35   "HOL.eq"  ("(_) \<^raw:}\putisatab\isa{\ >=\<^raw:}\putisatab\isa{> (_)" [50,49] 50) and
    36   "=="  ("(_) \<^raw:}\putisatab\isa{\ >\<equiv>\<^raw:}\putisatab\isa{> (_)")
    37 
    38 (* Let *)
    39 translations 
    40   "_bind (p, CONST DUMMY) e" <= "_bind p (CONST fst e)"
    41   "_bind (CONST DUMMY, p) e" <= "_bind p (CONST snd e)"
    42 
    43   "_tuple_args x (_tuple_args y z)" ==
    44     "_tuple_args x (_tuple_arg (_tuple y z))"
    45 
    46   "_bind (CONST Some p) e" <= "_bind p (CONST the e)"
    47   "_bind (p # CONST DUMMY) e" <= "_bind p (CONST hd e)"
    48   "_bind (CONST DUMMY # p) e" <= "_bind p (CONST tl e)"
    49 
    50 (* type constraints with spacing *)
    51 setup {*
    52 let
    53   val typ = Simple_Syntax.read_typ;
    54 in
    55   Sign.del_modesyntax_i (Symbol.xsymbolsN, false)
    56    [("_constrain", typ "logic => type => logic", Mixfix ("_\<Colon>_", [4, 0], 3)),
    57     ("_constrain", typ "prop' => type => prop'", Mixfix ("_\<Colon>_", [4, 0], 3))] #>
    58   Sign.add_modesyntax_i (Symbol.xsymbolsN, false)
    59    [("_constrain", typ "logic => type => logic", Mixfix ("_ \<Colon>  _", [4, 0], 3)),
    60     ("_constrain", typ "prop' => type => prop'", Mixfix ("_ \<Colon> _", [4, 0], 3))]
    61 end
    62 *}
    63 
    64 (* sorts as intersections *)
    65 setup {*
    66 let
    67   val sortT = Type ("sort", []); (*FIXME*)
    68   val classesT = Type ("classes", []); (*FIXME*)
    69 in
    70   Sign.add_modesyntax_i (Symbol.xsymbolsN, false) [
    71     ("_topsort", sortT, Mixfix ("\<top>", [], 1000)),
    72     ("_sort", classesT --> sortT, Mixfix ("'(_')", [], 1000)),
    73     ("_classes", Lexicon.idT --> classesT --> classesT, Mixfix ("_ \<inter> _", [], 1000)),
    74     ("_classes", Lexicon.longidT --> classesT --> classesT, Mixfix ("_ \<inter> _", [], 1000))
    75   ]
    76 end
    77 *}
    78 
    79 end
    80 (*>*)