(* Title: HOL/Library/Code_Integer.thy ID: $Id$ Author: Florian Haftmann, TU Muenchen *) header {* Pretty integer literals for code generation *} theory Code_Integer imports Plain "~~/src/HOL/Code_Eval" "~~/src/HOL/Presburger" begin text {* HOL numeral expressions are mapped to integer literals in target languages, using predefined target language operations for abstract integer operations. *} code_type int (SML "IntInf.int") (OCaml "Big'_int.big'_int") (Haskell "Integer") code_instance int :: eq (Haskell -) setup {* fold (Numeral.add_code @{const_name number_int_inst.number_of_int} true true) ["SML", "OCaml", "Haskell"] *} code_const "Int.Pls" and "Int.Min" and "Int.Bit0" and "Int.Bit1" (SML "raise/ Fail/ \"Pls\"" and "raise/ Fail/ \"Min\"" and "!((_);/ raise/ Fail/ \"Bit0\")" and "!((_);/ raise/ Fail/ \"Bit1\")") (OCaml "failwith/ \"Pls\"" and "failwith/ \"Min\"" and "!((_);/ failwith/ \"Bit0\")" and "!((_);/ failwith/ \"Bit1\")") (Haskell "error/ \"Pls\"" and "error/ \"Min\"" and "error/ \"Bit0\"" and "error/ \"Bit1\"") code_const Int.pred (SML "IntInf.- ((_), 1)") (OCaml "Big'_int.pred'_big'_int") (Haskell "!(_/ -/ 1)") code_const Int.succ (SML "IntInf.+ ((_), 1)") (OCaml "Big'_int.succ'_big'_int") (Haskell "!(_/ +/ 1)") code_const "op + \ int \ int \ int" (SML "IntInf.+ ((_), (_))") (OCaml "Big'_int.add'_big'_int") (Haskell infixl 6 "+") code_const "uminus \ int \ int" (SML "IntInf.~") (OCaml "Big'_int.minus'_big'_int") (Haskell "negate") code_const "op - \ int \ int \ int" (SML "IntInf.- ((_), (_))") (OCaml "Big'_int.sub'_big'_int") (Haskell infixl 6 "-") code_const "op * \ int \ int \ int" (SML "IntInf.* ((_), (_))") (OCaml "Big'_int.mult'_big'_int") (Haskell infixl 7 "*") code_const "eq_class.eq \ int \ int \ bool" (SML "!((_ : IntInf.int) = _)") (OCaml "Big'_int.eq'_big'_int") (Haskell infixl 4 "==") code_const "op \ \ int \ int \ bool" (SML "IntInf.<= ((_), (_))") (OCaml "Big'_int.le'_big'_int") (Haskell infix 4 "<=") code_const "op < \ int \ int \ bool" (SML "IntInf.< ((_), (_))") (OCaml "Big'_int.lt'_big'_int") (Haskell infix 4 "<") code_reserved SML IntInf code_reserved OCaml Big_int text {* Evaluation *} lemma [code, code del]: "(Code_Eval.term_of \ int \ term) = Code_Eval.term_of" .. code_const "Code_Eval.term_of \ int \ term" (SML "HOLogic.mk'_number/ HOLogic.intT") end