wneuper/isa: src/HOL/Library/Code_Integer.thy@b8390cd56b8f

     1 (*  Title:      HOL/Library/Code_Integer.thy

     2     ID:         $Id$

     3     Author:     Florian Haftmann, TU Muenchen

     4 *)

     6 header {* Pretty integer literals for code generation *}

     8 theory Code_Integer

     9 imports Plain "~~/src/HOL/Code_Eval" "~~/src/HOL/Presburger"

    10 begin

    12 text {*

    13   HOL numeral expressions are mapped to integer literals

    14   in target languages, using predefined target language

    15   operations for abstract integer operations.

    16 *}

    18 code_type int

    19   (SML "IntInf.int")

    20   (OCaml "Big'_int.big'_int")

    21   (Haskell "Integer")

    23 code_instance int :: eq

    24   (Haskell -)

    26 setup {*

    27   fold (Numeral.add_code @{const_name number_int_inst.number_of_int}

    28     true true) ["SML", "OCaml", "Haskell"]

    29 *}

    31 code_const "Int.Pls" and "Int.Min" and "Int.Bit0" and "Int.Bit1"

    32   (SML "raise/ Fail/ \"Pls\""

    33      and "raise/ Fail/ \"Min\""

    34      and "!((_);/ raise/ Fail/ \"Bit0\")"

    35      and "!((_);/ raise/ Fail/ \"Bit1\")")

    36   (OCaml "failwith/ \"Pls\""

    37      and "failwith/ \"Min\""

    38      and "!((_);/ failwith/ \"Bit0\")"

    39      and "!((_);/ failwith/ \"Bit1\")")

    40   (Haskell "error/ \"Pls\""

    41      and "error/ \"Min\""

    42      and "error/ \"Bit0\""

    43      and "error/ \"Bit1\"")

    45 code_const Int.pred

    46   (SML "IntInf.- ((_), 1)")

    47   (OCaml "Big'_int.pred'_big'_int")

    48   (Haskell "!(_/ -/ 1)")

    50 code_const Int.succ

    51   (SML "IntInf.+ ((_), 1)")

    52   (OCaml "Big'_int.succ'_big'_int")

    53   (Haskell "!(_/ +/ 1)")

    55 code_const "op + \<Colon> int \<Rightarrow> int \<Rightarrow> int"

    56   (SML "IntInf.+ ((_), (_))")

    57   (OCaml "Big'_int.add'_big'_int")

    58   (Haskell infixl 6 "+")

    60 code_const "uminus \<Colon> int \<Rightarrow> int"

    61   (SML "IntInf.~")

    62   (OCaml "Big'_int.minus'_big'_int")

    63   (Haskell "negate")

    65 code_const "op - \<Colon> int \<Rightarrow> int \<Rightarrow> int"

    66   (SML "IntInf.- ((_), (_))")

    67   (OCaml "Big'_int.sub'_big'_int")

    68   (Haskell infixl 6 "-")

    70 code_const "op * \<Colon> int \<Rightarrow> int \<Rightarrow> int"

    71   (SML "IntInf.* ((_), (_))")

    72   (OCaml "Big'_int.mult'_big'_int")

    73   (Haskell infixl 7 "*")

    75 code_const "eq_class.eq \<Colon> int \<Rightarrow> int \<Rightarrow> bool"

    76   (SML "!((_ : IntInf.int) = _)")

    77   (OCaml "Big'_int.eq'_big'_int")

    78   (Haskell infixl 4 "==")

    80 code_const "op \<le> \<Colon> int \<Rightarrow> int \<Rightarrow> bool"

    81   (SML "IntInf.<= ((_), (_))")

    82   (OCaml "Big'_int.le'_big'_int")

    83   (Haskell infix 4 "<=")

    85 code_const "op < \<Colon> int \<Rightarrow> int \<Rightarrow> bool"

    86   (SML "IntInf.< ((_), (_))")

    87   (OCaml "Big'_int.lt'_big'_int")

    88   (Haskell infix 4 "<")

    90 code_reserved SML IntInf

    91 code_reserved OCaml Big_int

    93 text {* Evaluation *}

    95 lemma [code func, code func del]:

    96   "(Code_Eval.term_of \<Colon> int \<Rightarrow> term) = Code_Eval.term_of" ..

    98 code_const "Code_Eval.term_of \<Colon> int \<Rightarrow> term"

    99   (SML "HOLogic.mk'_number/ HOLogic.intT")

   101 end

author	haftmann
	Thu, 25 Sep 2008 09:28:03 +0200
changeset 28346	b8390cd56b8f
parent 28228	7ebe8dc06cbb
child 28562	4e74209f113e
permissions	-rw-r--r--