300 lines
12 KiB
OCaml
300 lines
12 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. All rights reserved. This file is distributed *)
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(* under the terms of the Q Public License version 1.0. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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open Format
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open Asttypes
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open Primitive
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open Types
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open Lambda
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let rec struct_const ppf = function
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| Const_base(Const_int n) -> fprintf ppf "%i" n
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| Const_base(Const_char c) -> fprintf ppf "%C" c
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| Const_base(Const_string s) -> fprintf ppf "%S" s
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| Const_base(Const_float f) -> fprintf ppf "%s" f
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| Const_base(Const_int32 n) -> fprintf ppf "%lil" n
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| Const_base(Const_int64 n) -> fprintf ppf "%LiL" n
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| Const_base(Const_nativeint n) -> fprintf ppf "%nin" n
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| Const_pointer n -> fprintf ppf "%ia" n
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| Const_block(tag, []) ->
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fprintf ppf "[%i]" tag
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| Const_block(tag, sc1::scl) ->
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let sconsts ppf scl =
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List.iter (fun sc -> fprintf ppf "@ %a" struct_const sc) scl in
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fprintf ppf "@[<1>[%i:@ @[%a%a@]]@]" tag struct_const sc1 sconsts scl
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| Const_float_array [] ->
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fprintf ppf "[| |]"
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| Const_float_array (f1 :: fl) ->
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let floats ppf fl =
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List.iter (fun f -> fprintf ppf "@ %s" f) fl in
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fprintf ppf "@[<1>[|@[%s%a@]|]@]" f1 floats fl
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let boxed_integer_name = function
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| Pnativeint -> "nativeint"
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| Pint32 -> "int32"
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| Pint64 -> "int64"
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let print_boxed_integer name ppf bi =
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fprintf ppf "%s_%s" (boxed_integer_name bi) name
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let print_boxed_integer_conversion ppf bi1 bi2 =
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fprintf ppf "%s_of_%s" (boxed_integer_name bi2) (boxed_integer_name bi1)
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let boxed_integer_mark name = function
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| Pnativeint -> Printf.sprintf "Nativeint.%s" name
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| Pint32 -> Printf.sprintf "Int32.%s" name
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| Pint64 -> Printf.sprintf "Int64.%s" name
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let print_boxed_integer name ppf bi =
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fprintf ppf "%s" (boxed_integer_mark name bi);;
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let print_bigarray name kind ppf layout =
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fprintf ppf "Bigarray.%s[%s,%s]"
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name
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(match kind with
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| Pbigarray_unknown -> "generic"
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| Pbigarray_float32 -> "float32"
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| Pbigarray_float64 -> "float64"
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| Pbigarray_sint8 -> "sint8"
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| Pbigarray_uint8 -> "uint8"
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| Pbigarray_sint16 -> "sint16"
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| Pbigarray_uint16 -> "uint16"
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| Pbigarray_int32 -> "int32"
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| Pbigarray_int64 -> "int64"
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| Pbigarray_caml_int -> "camlint"
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| Pbigarray_native_int -> "nativeint"
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| Pbigarray_complex32 -> "complex32"
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| Pbigarray_complex64 -> "complex64")
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(match layout with
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| Pbigarray_unknown_layout -> "unknown"
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| Pbigarray_c_layout -> "C"
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| Pbigarray_fortran_layout -> "Fortran")
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let primitive ppf = function
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| Pidentity -> fprintf ppf "id"
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| Pignore -> fprintf ppf "ignore"
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| Pgetglobal id -> fprintf ppf "global %a" Ident.print id
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| Psetglobal id -> fprintf ppf "setglobal %a" Ident.print id
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| Pmakeblock(tag, Immutable) -> fprintf ppf "makeblock %i" tag
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| Pmakeblock(tag, Mutable) -> fprintf ppf "makemutable %i" tag
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| Pfield n -> fprintf ppf "field %i" n
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| Psetfield(n, ptr) ->
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let instr = if ptr then "setfield_ptr " else "setfield_imm " in
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fprintf ppf "%s%i" instr n
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| Pfloatfield n -> fprintf ppf "floatfield %i" n
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| Psetfloatfield n -> fprintf ppf "setfloatfield %i" n
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| Pccall p -> fprintf ppf "%s" p.prim_name
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| Praise -> fprintf ppf "raise"
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| Psequand -> fprintf ppf "&&"
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| Psequor -> fprintf ppf "||"
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| Pnot -> fprintf ppf "not"
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| Pnegint -> fprintf ppf "~"
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| Paddint -> fprintf ppf "+"
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| Psubint -> fprintf ppf "-"
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| Pmulint -> fprintf ppf "*"
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| Pdivint -> fprintf ppf "/"
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| Pmodint -> fprintf ppf "mod"
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| Pandint -> fprintf ppf "and"
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| Porint -> fprintf ppf "or"
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| Pxorint -> fprintf ppf "xor"
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| Plslint -> fprintf ppf "lsl"
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| Plsrint -> fprintf ppf "lsr"
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| Pasrint -> fprintf ppf "asr"
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| Pintcomp(Ceq) -> fprintf ppf "=="
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| Pintcomp(Cneq) -> fprintf ppf "!="
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| Pintcomp(Clt) -> fprintf ppf "<"
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| Pintcomp(Cle) -> fprintf ppf "<="
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| Pintcomp(Cgt) -> fprintf ppf ">"
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| Pintcomp(Cge) -> fprintf ppf ">="
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| Poffsetint n -> fprintf ppf "%i+" n
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| Poffsetref n -> fprintf ppf "+:=%i"n
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| Pintoffloat -> fprintf ppf "int_of_float"
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| Pfloatofint -> fprintf ppf "float_of_int"
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| Pnegfloat -> fprintf ppf "~."
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| Pabsfloat -> fprintf ppf "abs."
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| Paddfloat -> fprintf ppf "+."
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| Psubfloat -> fprintf ppf "-."
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| Pmulfloat -> fprintf ppf "*."
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| Pdivfloat -> fprintf ppf "/."
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| Pfloatcomp(Ceq) -> fprintf ppf "==."
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| Pfloatcomp(Cneq) -> fprintf ppf "!=."
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| Pfloatcomp(Clt) -> fprintf ppf "<."
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| Pfloatcomp(Cle) -> fprintf ppf "<=."
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| Pfloatcomp(Cgt) -> fprintf ppf ">."
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| Pfloatcomp(Cge) -> fprintf ppf ">=."
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| Pstringlength -> fprintf ppf "string.length"
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| Pstringrefu -> fprintf ppf "string.unsafe_get"
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| Pstringsetu -> fprintf ppf "string.unsafe_set"
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| Pstringrefs -> fprintf ppf "string.get"
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| Pstringsets -> fprintf ppf "string.set"
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| Parraylength _ -> fprintf ppf "array.length"
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| Pmakearray _ -> fprintf ppf "makearray "
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| Parrayrefu _ -> fprintf ppf "array.unsafe_get"
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| Parraysetu _ -> fprintf ppf "array.unsafe_set"
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| Parrayrefs _ -> fprintf ppf "array.get"
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| Parraysets _ -> fprintf ppf "array.set"
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| Pisint -> fprintf ppf "isint"
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| Pisout -> fprintf ppf "isout"
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| Pbittest -> fprintf ppf "testbit"
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| Pbintofint bi -> print_boxed_integer "of_int" ppf bi
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| Pintofbint bi -> print_boxed_integer "to_int" ppf bi
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| Pcvtbint (bi1, bi2) -> print_boxed_integer_conversion ppf bi1 bi2
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| Pnegbint bi -> print_boxed_integer "neg" ppf bi
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| Paddbint bi -> print_boxed_integer "add" ppf bi
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| Psubbint bi -> print_boxed_integer "sub" ppf bi
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| Pmulbint bi -> print_boxed_integer "mul" ppf bi
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| Pdivbint bi -> print_boxed_integer "div" ppf bi
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| Pmodbint bi -> print_boxed_integer "mod" ppf bi
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| Pandbint bi -> print_boxed_integer "and" ppf bi
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| Porbint bi -> print_boxed_integer "or" ppf bi
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| Pxorbint bi -> print_boxed_integer "xor" ppf bi
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| Plslbint bi -> print_boxed_integer "lsl" ppf bi
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| Plsrbint bi -> print_boxed_integer "lsr" ppf bi
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| Pasrbint bi -> print_boxed_integer "asr" ppf bi
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| Pbintcomp(bi, Ceq) -> print_boxed_integer "==" ppf bi
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| Pbintcomp(bi, Cneq) -> print_boxed_integer "!=" ppf bi
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| Pbintcomp(bi, Clt) -> print_boxed_integer "<" ppf bi
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| Pbintcomp(bi, Cgt) -> print_boxed_integer ">" ppf bi
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| Pbintcomp(bi, Cle) -> print_boxed_integer "<=" ppf bi
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| Pbintcomp(bi, Cge) -> print_boxed_integer ">=" ppf bi
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| Pbigarrayref(n, kind, layout) -> print_bigarray "get" kind ppf layout
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| Pbigarrayset(n, kind, layout) -> print_bigarray "set" kind ppf layout
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let rec lam ppf = function
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| Lvar id ->
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Ident.print ppf id
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| Lconst cst ->
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struct_const ppf cst
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| Lapply(lfun, largs) ->
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let lams ppf largs =
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List.iter (fun l -> fprintf ppf "@ %a" lam l) largs in
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fprintf ppf "@[<2>(apply@ %a%a)@]" lam lfun lams largs
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| Lfunction(kind, params, body) ->
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let pr_params ppf params =
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match kind with
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| Curried ->
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List.iter (fun param -> fprintf ppf "@ %a" Ident.print param) params
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| Tupled ->
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fprintf ppf " (";
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let first = ref true in
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List.iter
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(fun param ->
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if !first then first := false else fprintf ppf ",@ ";
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Ident.print ppf param)
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params;
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fprintf ppf ")" in
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fprintf ppf "@[<2>(function%a@ %a)@]" pr_params params lam body
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| Llet(str, id, arg, body) ->
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let rec letbody = function
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| Llet(str, id, arg, body) ->
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fprintf ppf "@ @[<2>%a@ %a@]" Ident.print id lam arg;
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letbody body
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| expr -> expr in
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fprintf ppf "@[<2>(let@ @[<hv 1>(@[<2>%a@ %a@]" Ident.print id lam arg;
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let expr = letbody body in
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fprintf ppf ")@]@ %a)@]" lam expr
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| Lletrec(id_arg_list, body) ->
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let bindings ppf id_arg_list =
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let spc = ref false in
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List.iter
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(fun (id, l) ->
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if !spc then fprintf ppf "@ " else spc := true;
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fprintf ppf "@[<2>%a@ %a@]" Ident.print id lam l)
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id_arg_list in
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fprintf ppf
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"@[<2>(letrec@ (@[<hv 1>%a@])@ %a)@]" bindings id_arg_list lam body
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| Lprim(prim, largs) ->
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let lams ppf largs =
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List.iter (fun l -> fprintf ppf "@ %a" lam l) largs in
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fprintf ppf "@[<2>(%a%a)@]" primitive prim lams largs
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| Lswitch(larg, sw) ->
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let switch ppf sw =
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let spc = ref false in
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List.iter
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(fun (n, l) ->
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if !spc then fprintf ppf "@ " else spc := true;
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fprintf ppf "@[<hv 1>case int %i:@ %a@]" n lam l)
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sw.sw_consts;
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List.iter
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(fun (n, l) ->
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if !spc then fprintf ppf "@ " else spc := true;
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fprintf ppf "@[<hv 1>case tag %i:@ %a@]" n lam l)
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sw.sw_blocks ;
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begin match sw.sw_failaction with
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| None -> ()
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| Some l ->
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if !spc then fprintf ppf "@ " else spc := true;
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fprintf ppf "@[<hv 1>default:@ %a@]" lam l
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end in
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fprintf ppf
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"@[<1>(%s %a@ @[<v 0>%a@])@]"
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(match sw.sw_failaction with None -> "switch*" | _ -> "switch")
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lam larg switch sw
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| Lstaticraise (i, ls) ->
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let lams ppf largs =
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List.iter (fun l -> fprintf ppf "@ %a" lam l) largs in
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fprintf ppf "@[<2>(exit@ %d%a)@]" i lams ls;
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| Lstaticcatch(lbody, (i, vars), lhandler) ->
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fprintf ppf "@[<2>(catch@ %a@;<1 -1>with (%d%a)@ %a)@]"
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lam lbody i
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(fun ppf vars -> match vars with
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| [] -> ()
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| _ ->
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List.iter
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(fun x -> fprintf ppf " %a" Ident.print x)
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vars)
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vars
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lam lhandler
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| Ltrywith(lbody, param, lhandler) ->
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fprintf ppf "@[<2>(try@ %a@;<1 -1>with %a@ %a)@]"
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lam lbody Ident.print param lam lhandler
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| Lifthenelse(lcond, lif, lelse) ->
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fprintf ppf "@[<2>(if@ %a@ %a@ %a)@]" lam lcond lam lif lam lelse
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| Lsequence(l1, l2) ->
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fprintf ppf "@[<2>(seq@ %a@ %a)@]" lam l1 sequence l2
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| Lwhile(lcond, lbody) ->
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fprintf ppf "@[<2>(while@ %a@ %a)@]" lam lcond lam lbody
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| Lfor(param, lo, hi, dir, body) ->
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fprintf ppf "@[<2>(for %a@ %a@ %s@ %a@ %a)@]"
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Ident.print param lam lo
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(match dir with Upto -> "to" | Downto -> "downto")
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lam hi lam body
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| Lassign(id, expr) ->
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fprintf ppf "@[<2>(assign@ %a@ %a)@]" Ident.print id lam expr
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| Lsend (met, obj, largs) ->
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let args ppf largs =
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List.iter (fun l -> fprintf ppf "@ %a" lam l) largs in
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fprintf ppf "@[<2>(send@ %a@ %a%a)@]" lam obj lam met args largs
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| Levent(expr, ev) ->
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let kind =
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match ev.lev_kind with
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| Lev_before -> "before"
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| Lev_after _ -> "after"
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| Lev_function -> "funct-body" in
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fprintf ppf "@[<2>(%s %i@ %a)@]" kind ev.lev_pos.Lexing.pos_cnum lam expr
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| Lifused(id, expr) ->
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fprintf ppf "@[<2>(ifused@ %a@ %a)@]" Ident.print id lam expr
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and sequence ppf = function
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| Lsequence(l1, l2) ->
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fprintf ppf "%a@ %a" sequence l1 sequence l2
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| l ->
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lam ppf l
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let structured_constant = struct_const
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let lambda = lam
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