isabelle: src/HOL/Library/Code_Integer.thy@8b1c0d434824

     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 Int

    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 (fn target => CodeTarget.add_pretty_numeral target true

    28     @{const_name number_int_inst.number_of_int}

    29     @{const_name Int.B0} @{const_name Int.B1}

    30     @{const_name Int.Pls} @{const_name Int.Min}

    31     @{const_name Int.Bit}

    32   ) ["SML", "OCaml", "Haskell"]

    33 *}

    35 code_const "Int.Pls" and "Int.Min" and "Int.Bit"

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

    37      and "raise/ Fail/ \"Min\""

    38      and "!((_);/ (_);/ raise/ Fail/ \"Bit\")")

    39   (OCaml "failwith/ \"Pls\""

    40      and "failwith/ \"Min\""

    41      and "!((_);/ (_);/ failwith/ \"Bit\")")

    42   (Haskell "error/ \"Pls\""

    43      and "error/ \"Min\""

    44      and "error/ \"Bit\"")

    46 code_const Int.pred

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

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

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

    51 code_const Int.succ

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

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

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

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

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

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

    59   (Haskell infixl 6 "+")

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

    62   (SML "IntInf.~")

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

    64   (Haskell "negate")

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

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

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

    69   (Haskell infixl 6 "-")

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

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

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

    74   (Haskell infixl 7 "*")

    76 code_const "op = \<Colon> int \<Rightarrow> int \<Rightarrow> bool"

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

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

    79   (Haskell infixl 4 "==")

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

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

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

    84   (Haskell infix 4 "<=")

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

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

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

    89   (Haskell infix 4 "<")

    91 code_reserved SML IntInf

    92 code_reserved OCaml Big_int

    94 end

author	haftmann
	Tue Jan 15 16:19:23 2008 +0100 (2008-01-15)
changeset 25919	8b1c0d434824
parent 25767	852bce03412a
child 25928	042e877d9841
permissions	-rw-r--r--