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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Xavier Leroy, INRIA Paris-Rocquencourt *)
(* *)
(* Copyright Institut National de Recherche en Informatique et en *)
(* Automatique. All rights reserved. This file is distributed *)
(* under the terms of the INRIA Non-Commercial License Agreement. *)
(* *)
(* *********************************************************************)
(** Useful functions for pretty-printers *)
open Printf
open Camlcoq
open AST
let name_of_type = function
| Tint -> "int"
| Tfloat -> "float"
| Tlong -> "long"
| Tsingle -> "single"
| Tany32 -> "any32"
| Tany64 -> "any64"
let name_of_chunk = function
| Mint8signed -> "int8s"
| Mint8unsigned -> "int8u"
| Mint16signed -> "int16s"
| Mint16unsigned -> "int16u"
| Mint32 -> "int32"
| Mint64 -> "int64"
| Mfloat32 -> "float32"
| Mfloat64 -> "float64"
| Many32 -> "any32"
| Many64 -> "any64"
let name_of_external = function
| EF_external(name, sg) -> sprintf "extern %S" (camlstring_of_coqstring name)
| EF_builtin(name, sg) -> sprintf "builtin %S" (camlstring_of_coqstring name)
| EF_vload chunk -> sprintf "volatile load %s" (name_of_chunk chunk)
| EF_vstore chunk -> sprintf "volatile store %s" (name_of_chunk chunk)
| EF_malloc -> "malloc"
| EF_free -> "free"
| EF_memcpy(sz, al) ->
sprintf "memcpy size %s align %s " (Z.to_string sz) (Z.to_string al)
| EF_annot(text, targs) -> sprintf "annot %S" (camlstring_of_coqstring text)
| EF_annot_val(text, targ) -> sprintf "annot_val %S" (camlstring_of_coqstring text)
| EF_inline_asm(text, sg, clob) -> sprintf "inline_asm %S" (camlstring_of_coqstring text)
| EF_debug(kind, text, targs) ->
sprintf "debug%d %S" (P.to_int kind) (extern_atom text)
let rec print_builtin_arg px oc = function
| BA x -> px oc x
| BA_int n -> fprintf oc "int %ld" (camlint_of_coqint n)
| BA_long n -> fprintf oc "long %Ld" (camlint64_of_coqint n)
| BA_float n -> fprintf oc "float %F" (camlfloat_of_coqfloat n)
| BA_single n -> fprintf oc "single %F" (camlfloat_of_coqfloat32 n)
| BA_loadstack(chunk, ofs) ->
fprintf oc "%s[sp + %ld]" (name_of_chunk chunk) (camlint_of_coqint ofs)
| BA_addrstack(ofs) ->
fprintf oc "sp + %ld" (camlint_of_coqint ofs)
| BA_loadglobal(chunk, id, ofs) ->
fprintf oc "%s[&%s + %ld]"
(name_of_chunk chunk) (extern_atom id) (camlint_of_coqint ofs)
| BA_addrglobal(id, ofs) ->
fprintf oc "&%s + %ld" (extern_atom id) (camlint_of_coqint ofs)
| BA_splitlong(hi, lo) ->
fprintf oc "splitlong(%a, %a)"
(print_builtin_arg px) hi (print_builtin_arg px) lo
let rec print_builtin_args px oc = function
| [] -> ()
| [a] -> print_builtin_arg px oc a
| a1 :: al ->
fprintf oc "%a, %a" (print_builtin_arg px) a1 (print_builtin_args px) al
let rec print_builtin_res px oc = function
| BR x -> px oc x
| BR_none -> fprintf oc "_"
| BR_splitlong(hi, lo) ->
fprintf oc "splitlong(%a, %a)"
(print_builtin_res px) hi (print_builtin_res px) lo
|