Source file pp.ml
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(** Pretty printer of the Python extension to the AST. *)
open Mopsa
open Ast
open Format
let pp_vars = Format.pp_print_list ~pp_sep:(fun fmt () -> Format.fprintf fmt ", ") pp_var
let pp_except fmt e =
fprintf fmt "except %a%a:@\n@[<h 2> %a@]"
(fun fmt e -> match e with
| None -> ()
| Some e -> pp_expr fmt e
) e.py_excpt_type
(fun fmt v -> match v with
| None -> ()
| Some v -> fprintf fmt " as %a" pp_var v
) e.py_excpt_name
pp_stmt e.py_excpt_body
let pp_py_object fmt (obj: py_object) =
match obj with
| (addr, None) -> fprintf fmt "⟪%a⟫" pp_addr addr
| (addr, Some e) -> fprintf fmt "⟪%a :: %a⟫" pp_addr addr pp_expr e
let () =
register_program_pp (fun default fmt prog ->
match prog.prog_kind with
| Py_program(_, _, body) -> pp_stmt fmt body
| _ -> default fmt prog
);
register_typ_pp (fun default fmt typ ->
match typ with
| T_py None -> pp_print_string fmt "py"
| T_py (Some Bool) -> pp_print_string fmt "py-bool"
| T_py (Some NotImplemented) -> pp_print_string fmt "py-notimplemented"
| T_py (Some NoneType) -> pp_print_string fmt "py-none"
| T_py (Some Complex) -> pp_print_string fmt "py-complex"
| T_py (Some Bytes) -> pp_print_string fmt "py-bytes"
| T_py (Some Str) -> pp_print_string fmt "py-str"
| T_py (Some (Float _)) -> pp_print_string fmt "py-float"
| T_py (Some Int) -> pp_print_string fmt "py-int"
| _ -> default fmt typ
);
register_constant_pp (fun default fmt -> function
| C_py_ellipsis -> pp_print_string fmt "C_py_ellipsis"
| C_py_none -> pp_print_string fmt "C_py_None"
| C_py_not_implemented -> pp_print_string fmt "NotImplemented"
| C_py_imag j -> fprintf fmt "%aj" pp_print_float j
| c -> default fmt c
);
register_operator_pp (fun default fmt -> function
| O_py_and -> pp_print_string fmt "and"
| O_py_or -> pp_print_string fmt "or"
| O_py_floor_div -> pp_print_string fmt "//"
| O_py_is -> pp_print_string fmt "is"
| O_py_is_not -> pp_print_string fmt "is not"
| O_py_in -> pp_print_string fmt "in"
| O_py_not_in -> pp_print_string fmt "not in"
| O_py_mat_mult -> pp_print_string fmt "@"
| O_py_not -> pp_print_string fmt "py_not"
| op -> default fmt op
);
register_expr_pp (fun default fmt exp ->
match ekind exp with
| E_py_ll_hasattr (e, attr) -> Format.fprintf fmt "E_py_ll_hasattr(%a, %a)" pp_expr e pp_expr attr
| E_py_ll_getattr (e, attr) -> Format.fprintf fmt "E_py_ll_getattr(%a, %a)" pp_expr e pp_expr attr
| E_py_ll_setattr (e, attr, ovalu) -> Format.fprintf fmt "E_py_ll_setattr(%a, %a, %a)" pp_expr e pp_expr attr (OptionExt.print pp_expr) ovalu
| E_py_annot e -> fprintf fmt "(annot) %a" pp_expr e
| E_py_undefined true -> fprintf fmt "global undef"
| E_py_undefined false -> fprintf fmt "local undef"
| E_py_object obj -> pp_py_object fmt obj
| E_py_attribute(obj, attr) ->
fprintf fmt "%a.%s" pp_expr obj attr
| E_py_list(elts) ->
fprintf fmt "[%a]"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") pp_expr) elts
| E_py_tuple(elts) ->
if List.length elts = 1 then
fprintf fmt "(%a,)" pp_expr (List.hd elts)
else
fprintf fmt "(%a)"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") pp_expr) elts
| E_py_set(elts) ->
fprintf fmt "{%a}"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") pp_expr) elts
| E_py_dict(keys, values) ->
fprintf fmt "{%a}"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ")
(fun fmt (k, v) -> fprintf fmt "%a: %a" pp_expr k pp_expr v)
) (List.combine keys values)
| E_py_index_subscript(obj, index) ->
fprintf fmt "%a[%a]" pp_expr obj pp_expr index
| E_py_slice_subscript(obj, a, b, s) ->
fprintf fmt "%a[%a : %a : %a]" pp_expr obj pp_expr a pp_expr b pp_expr s
| E_py_call(f, args, keywords) ->
fprintf fmt "%a(%a%a%a)"
pp_expr f
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") pp_expr) args
(fun fmt -> function [] -> () | _ -> pp_print_string fmt ", ") keywords
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ")
(fun fmt -> function
| (None, kwd) -> fprintf fmt "**%a" pp_expr kwd
| (Some k, v) -> fprintf fmt "%s = %a" k pp_expr v
)
) keywords
| E_py_yield(e) ->
fprintf fmt "yield %a" pp_expr e
| E_py_yield_from(e) ->
fprintf fmt "yield from %a" pp_expr e
| E_py_if (test, body, orelse) ->
fprintf fmt
"%a if %a else %a"
pp_expr body
pp_expr test
pp_expr orelse
| E_py_list_comprehension(e, comprhs) ->
fprintf fmt
"[%a %a]"
pp_expr e
(pp_print_list ~pp_sep:(fun fmt () -> pp_print_string fmt " ") (fun fmt (target, iter, conds) ->
fprintf fmt
"for %a in %a%a"
pp_expr target
pp_expr iter
(pp_print_list (fun fmt cond -> fprintf fmt " if %a" pp_expr cond)) conds
)
) comprhs
| E_py_set_comprehension(e, comprhs) ->
fprintf fmt
"{%a %a}"
pp_expr e
(pp_print_list ~pp_sep:(fun fmt () -> pp_print_string fmt " ") (fun fmt (target, iter, conds) ->
fprintf fmt
"for %a in %a%a"
pp_expr target
pp_expr iter
(pp_print_list (fun fmt cond -> fprintf fmt " if %a" pp_expr cond)) conds
)
) comprhs
| E_py_generator_comprehension(e, comprhs) ->
fprintf fmt
"(%a %a)"
pp_expr e
(pp_print_list ~pp_sep:(fun fmt () -> pp_print_string fmt " ") (fun fmt (target, iter, conds) ->
fprintf fmt
"for %a in %a%a"
pp_expr target
pp_expr iter
(pp_print_list (fun fmt cond -> fprintf fmt " if %a" pp_expr cond)) conds
)
) comprhs
| E_py_dict_comprehension(k, v, comprhs) ->
fprintf fmt
"{%a: %a %a}"
pp_expr k
pp_expr v
(pp_print_list ~pp_sep:(fun fmt () -> pp_print_string fmt " ") (fun fmt (target, iter, conds) ->
fprintf fmt
"for %a in %a%a"
pp_expr target
pp_expr iter
(pp_print_list (fun fmt cond -> fprintf fmt " if %a" pp_expr cond)) conds
)
) comprhs
| E_py_lambda l ->
fprintf fmt "lambda %a: %a"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") pp_var) l.py_lambda_parameters
pp_expr l.py_lambda_body
| E_py_multi_compare(left, ops, rights) ->
let l = List.combine ops rights in
fprintf fmt "%a %a"
pp_expr left
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt " ")
(fun fmt (op, right) -> fprintf fmt "%a %a" pp_operator op pp_expr right)
) l
| E_py_bytes(s) ->
fprintf fmt "b\"%s\"" s
| E_py_check_annot (e1, e2) -> fprintf fmt "check_annot(%a: %a)" pp_expr e1 pp_expr e2
| _ -> default fmt exp
);
register_stmt_pp (fun default fmt stmt ->
match skind stmt with
| S_py_class(cls) ->
fprintf fmt "class %a(%a):@\n@[<h 2> %a@]" pp_var cls.py_cls_var
(pp_print_list
~pp_sep:(fun fmt () -> fprintf fmt ", ")
pp_expr) cls.py_cls_bases
pp_stmt cls.py_cls_body
| S_py_function(func) ->
fprintf fmt "%a@\ndef %a(%a%a%s%a%a)%a:@\n@[<h 2> %a@]"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt "@\n") (fun fmt d -> fprintf fmt "@@%a" pp_expr d)) func.py_func_decors
pp_var func.py_func_var
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") (fun fmt (var, oty) ->
match oty with
| None -> pp_var fmt var
| Some ty -> fprintf fmt "%a: %a" pp_var var pp_expr ty
)) (List.map2 (fun x y -> (x, y)) func.py_func_parameters func.py_func_types_in)
(OptionExt.print ~none:"" ~some:", *" pp_var) func.py_func_vararg
(match func.py_func_vararg with | None -> "" | _ -> ", ")
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt ", ") pp_var) func.py_func_kwonly_args
(OptionExt.print ~none:"" ~some:", **" pp_var) func.py_func_kwarg
(fun fmt oty -> match oty with
| None -> ()
| Some ty -> fprintf fmt " -> %a" pp_expr ty) func.py_func_type_out
pp_stmt func.py_func_body
| S_py_try(body, excepts, orelse, final) ->
fprintf fmt "try:@\n@[<h 2> %a@]@\n%a@\nelse:@[<h 2> %a@]@\nfinally:@[<h 2> %a@]"
pp_stmt body
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt "@\n") pp_except) excepts
pp_stmt orelse
pp_stmt final
| S_py_raise e ->
fprintf fmt "raise %a" (fun fmt -> function None -> () | Some e -> pp_expr fmt e) e
| S_py_while(test, body, orelse) ->
fprintf fmt "while %a:@\n@[<h 2> %a@]@\nelse:@\n@[<h 2> %a@]"
pp_expr test
pp_stmt body
pp_stmt orelse
| S_py_if(test, sthen, selse) ->
fprintf fmt "@[<v 4>if (%a) {@,%a@]@,@[<v 4>} else {@,%a@]@,}" pp_expr test pp_stmt sthen pp_stmt selse
| S_py_multi_assign(targets, e) ->
fprintf fmt "%a %a"
(pp_print_list ~pp_sep:(fun fmt () -> fprintf fmt " ") (fun fmt x -> fprintf fmt "%a =" pp_expr x)) targets
pp_expr e
| S_py_aug_assign(x, op, e) ->
fprintf fmt "%a %a= %a"
pp_expr x
pp_operator op
pp_expr e
| S_py_annot(x, typ) ->
fprintf fmt "%a: %a"
pp_expr x
pp_expr typ
| S_py_check_annot(x, typ) ->
fprintf fmt "S_check_annot %a: %a"
pp_expr x
pp_expr typ
| S_py_for(target, iter, body, orelse) ->
fprintf fmt "for %a in %a:@\n@[<h 2> %a@]@\nelse:@\n@[<h 2> %a@]"
pp_expr target
pp_expr iter
pp_stmt body
pp_stmt orelse
| S_py_import(mdl, asname, vroot) ->
fprintf fmt "import %s%a"
mdl
(fun fmt -> function None -> () | Some name -> fprintf fmt " as %a" pp_var name) asname
| S_py_import_from(mdl, name, vroot, asname) ->
fprintf fmt "from %s import %s as %a"
mdl
name
pp_var asname
| S_py_delete e -> fprintf fmt "del %a" pp_expr e
| S_py_assert(e, None) -> fprintf fmt "assert %a" pp_expr e
| S_py_assert(e, Some msg) -> fprintf fmt "assert %a, %a" pp_expr e pp_expr msg
| S_py_with(ctx, asname, body) ->
fprintf fmt "with %a%a:@\n@[<h 2> %a@]"
pp_expr ctx
(fun fmt -> function None -> () | Some name -> fprintf fmt " as %a" pp_expr name) asname
pp_stmt body
| _ -> default fmt stmt
);
()