# HG changeset patch
# User haftmann
# Date 1735997156 -3600
# Node ID 97987036f051a254988c44b9ff588d88acb2a78a
# Parent  a55b236f9e1d2757490a191c4c8414437da3c75c
some bit operations on target numerals

diff -r a55b236f9e1d -r 97987036f051 src/HOL/Code_Numeral.thy
--- a/src/HOL/Code_Numeral.thy	Fri Jan 03 22:35:28 2025 +0100
+++ b/src/HOL/Code_Numeral.thy	Sat Jan 04 14:25:56 2025 +0100
@@ -873,6 +873,26 @@
     and (Haskell) "Prelude.abs"
     and (Scala) "_.abs"
     and (Eval) "abs"
+| constant "Bit_Operations.and :: integer \<Rightarrow> integer \<Rightarrow> integer" \<rightharpoonup>
+    (SML) "IntInf.andb ((_),/ (_))"
+    and (OCaml) "Z.logand"
+    and (Haskell) infixl 7 ".&."
+    and (Scala) infixl 3 "&"
+| constant "Bit_Operations.or :: integer \<Rightarrow> integer \<Rightarrow> integer" \<rightharpoonup>
+    (SML) "IntInf.orb ((_),/ (_))"
+    and (OCaml) "Z.logor"
+    and (Haskell) infixl 5 ".|."
+    and (Scala) infixl 1 "|"
+| constant "Bit_Operations.xor :: integer \<Rightarrow> integer \<Rightarrow> integer" \<rightharpoonup>
+    (SML) "IntInf.xorb ((_),/ (_))"
+    and (OCaml) "Z.logxor"
+    and (Haskell) infixl 6 ".^."
+    and (Scala) infixl 2 "^"
+| constant "Bit_Operations.not :: integer \<Rightarrow> integer" \<rightharpoonup>
+    (SML) "IntInf.notb"
+    and (OCaml) "Z.lognot"
+    and (Haskell) "Data.Bits.complement"
+    and (Scala) "_.unary'_~"
 
 code_identifier
   code_module Code_Numeral \<rightharpoonup> (SML) Arith and (OCaml) Arith and (Haskell) Arith
diff -r a55b236f9e1d -r 97987036f051 src/Tools/Code/code_haskell.ML
--- a/src/Tools/Code/code_haskell.ML	Fri Jan 03 22:35:28 2025 +0100
+++ b/src/Tools/Code/code_haskell.ML	Sat Jan 04 14:25:56 2025 +0100
@@ -330,6 +330,10 @@
   ("Maybe", ["Nothing", "Just"])
 ];
 
+val data_bits_import_operators = [
+  ".&.", ".|.", ".^."
+];
+
 fun serialize_haskell module_prefix string_classes ctxt { module_name,
     reserved_syms, identifiers, includes, class_syntax, tyco_syntax, const_syntax } program exports =
   let
@@ -379,7 +383,10 @@
       enclose "import Prelude (" ");" (commas (map str
         (map (Library.enclose "(" ")") prelude_import_operators @ prelude_import_unqualified)
           @ map (fn (tyco, constrs) => (enclose (tyco ^ "(") ")" o commas o map str) constrs) prelude_import_unqualified_constr))
+      :: enclose "import Data.Bits (" ");" (commas
+        (map (str o Library.enclose "(" ")") data_bits_import_operators))
       :: print_qualified_import "Prelude"
+      :: print_qualified_import "Data.Bits"
       :: map (print_qualified_import o fst) includes;
     fun print_module module_name (gr, imports) =
       let