wneuper/isa: src/HOL/Library/Code_Integer.thy@042e877d9841

     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 (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.Bit"

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

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

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

    35   (OCaml "failwith/ \"Pls\""

    36      and "failwith/ \"Min\""

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

    38   (Haskell "error/ \"Pls\""

    39      and "error/ \"Min\""

    40      and "error/ \"Bit\"")

    42 code_const Int.pred

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

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

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

    47 code_const Int.succ

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

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

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

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

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

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

    55   (Haskell infixl 6 "+")

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

    58   (SML "IntInf.~")

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

    60   (Haskell "negate")

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

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

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

    65   (Haskell infixl 6 "-")

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

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

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

    70   (Haskell infixl 7 "*")

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

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

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

    75   (Haskell infixl 4 "==")

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

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

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

    80   (Haskell infix 4 "<=")

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

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

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

    85   (Haskell infix 4 "<")

    87 code_reserved SML IntInf

    88 code_reserved OCaml Big_int

    90 end

author	haftmann
	Mon, 21 Jan 2008 08:43:27 +0100
changeset 25928	042e877d9841
parent 25919	8b1c0d434824
child 26009	b6a64fe38634
permissions	-rw-r--r--