ocaml/parsing/printast.ml

906 lines
29 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Damien Doligez, projet Para, INRIA Rocquencourt *)
(* *)
(* Copyright 1999 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
open Asttypes;;
open Format;;
open Lexing;;
open Location;;
open Parsetree;;
let fmt_position with_name f l =
let fname = if with_name then l.pos_fname else "" in
if l.pos_lnum = -1
then fprintf f "%s[%d]" fname l.pos_cnum
else fprintf f "%s[%d,%d+%d]" fname l.pos_lnum l.pos_bol
(l.pos_cnum - l.pos_bol)
;;
let fmt_location f loc =
let p_2nd_name = loc.loc_start.pos_fname <> loc.loc_end.pos_fname in
fprintf f "(%a..%a)" (fmt_position true) loc.loc_start
(fmt_position p_2nd_name) loc.loc_end;
if loc.loc_ghost then fprintf f " ghost";
;;
let rec fmt_longident_aux f x =
match x with
| Longident.Lident (s) -> fprintf f "%s" s;
| Longident.Ldot (y, s) -> fprintf f "%a.%s" fmt_longident_aux y s;
| Longident.Lapply (y, z) ->
fprintf f "%a(%a)" fmt_longident_aux y fmt_longident_aux z;
;;
let fmt_longident f x = fprintf f "\"%a\"" fmt_longident_aux x;;
let fmt_longident_loc f (x : Longident.t loc) =
fprintf f "\"%a\" %a" fmt_longident_aux x.txt fmt_location x.loc;
;;
let fmt_string_loc f (x : string loc) =
fprintf f "\"%s\" %a" x.txt fmt_location x.loc;
;;
let fmt_char_option f = function
| None -> fprintf f "None"
| Some c -> fprintf f "Some %c" c
let fmt_constant f x =
match x with
| Pconst_integer (i,m) -> fprintf f "PConst_int (%s,%a)" i fmt_char_option m;
| Pconst_char (c) -> fprintf f "PConst_char %02x" (Char.code c);
| Pconst_string (s, None) -> fprintf f "PConst_string(%S,None)" s;
| Pconst_string (s, Some delim) ->
fprintf f "PConst_string (%S,Some %S)" s delim;
| Pconst_float (s,m) -> fprintf f "PConst_float (%s,%a)" s fmt_char_option m;
;;
let fmt_mutable_flag f x =
match x with
| Immutable -> fprintf f "Immutable";
| Mutable -> fprintf f "Mutable";
;;
let fmt_virtual_flag f x =
match x with
| Virtual -> fprintf f "Virtual";
| Concrete -> fprintf f "Concrete";
;;
let fmt_override_flag f x =
match x with
| Override -> fprintf f "Override";
| Fresh -> fprintf f "Fresh";
;;
let fmt_closed_flag f x =
match x with
| Closed -> fprintf f "Closed"
| Open -> fprintf f "Open"
let fmt_rec_flag f x =
match x with
| Nonrecursive -> fprintf f "Nonrec";
| Recursive -> fprintf f "Rec";
;;
let fmt_direction_flag f x =
match x with
| Upto -> fprintf f "Up";
| Downto -> fprintf f "Down";
;;
let fmt_private_flag f x =
match x with
| Public -> fprintf f "Public";
| Private -> fprintf f "Private";
;;
let line i f s (*...*) =
fprintf f "%s" (String.make ((2*i) mod 72) ' ');
fprintf f s (*...*)
;;
let list i f ppf l =
match l with
| [] -> line i ppf "[]\n";
| _ :: _ ->
line i ppf "[\n";
List.iter (f (i+1) ppf) l;
line i ppf "]\n";
;;
let option i f ppf x =
match x with
| None -> line i ppf "None\n";
| Some x ->
line i ppf "Some\n";
f (i+1) ppf x;
;;
let longident_loc i ppf li = line i ppf "%a\n" fmt_longident_loc li;;
let string i ppf s = line i ppf "\"%s\"\n" s;;
let string_loc i ppf s = line i ppf "%a\n" fmt_string_loc s;;
let arg_label i ppf = function
| Nolabel -> line i ppf "Nolabel\n"
| Optional s -> line i ppf "Optional \"%s\"\n" s
| Labelled s -> line i ppf "Labelled \"%s\"\n" s
;;
let rec core_type i ppf x =
line i ppf "core_type %a\n" fmt_location x.ptyp_loc;
attributes i ppf x.ptyp_attributes;
let i = i+1 in
match x.ptyp_desc with
| Ptyp_any -> line i ppf "Ptyp_any\n";
| Ptyp_var (s) -> line i ppf "Ptyp_var %s\n" s;
| Ptyp_arrow (l, ct1, ct2) ->
line i ppf "Ptyp_arrow\n";
arg_label i ppf l;
core_type i ppf ct1;
core_type i ppf ct2;
| Ptyp_tuple l ->
line i ppf "Ptyp_tuple\n";
list i core_type ppf l;
| Ptyp_constr (li, l) ->
line i ppf "Ptyp_constr %a\n" fmt_longident_loc li;
list i core_type ppf l;
| Ptyp_variant (l, closed, low) ->
line i ppf "Ptyp_variant closed=%a\n" fmt_closed_flag closed;
list i label_x_bool_x_core_type_list ppf l;
option i (fun i -> list i string) ppf low
| Ptyp_object (l, c) ->
line i ppf "Ptyp_object %a\n" fmt_closed_flag c;
let i = i + 1 in
List.iter
(fun (s, attrs, t) ->
line i ppf "method %s\n" s;
attributes i ppf attrs;
core_type (i + 1) ppf t
)
l
| Ptyp_class (li, l) ->
line i ppf "Ptyp_class %a\n" fmt_longident_loc li;
list i core_type ppf l
| Ptyp_alias (ct, s) ->
line i ppf "Ptyp_alias \"%s\"\n" s;
core_type i ppf ct;
| Ptyp_poly (sl, ct) ->
line i ppf "Ptyp_poly%a\n"
(fun ppf -> List.iter (fun x -> fprintf ppf " '%s" x)) sl;
core_type i ppf ct;
| Ptyp_package (s, l) ->
line i ppf "Ptyp_package %a\n" fmt_longident_loc s;
list i package_with ppf l;
| Ptyp_extension (s, arg) ->
line i ppf "Ptyp_extension \"%s\"\n" s.txt;
payload i ppf arg
and package_with i ppf (s, t) =
line i ppf "with type %a\n" fmt_longident_loc s;
core_type i ppf t
and pattern i ppf x =
line i ppf "pattern %a\n" fmt_location x.ppat_loc;
attributes i ppf x.ppat_attributes;
let i = i+1 in
match x.ppat_desc with
| Ppat_any -> line i ppf "Ppat_any\n";
| Ppat_var (s) -> line i ppf "Ppat_var %a\n" fmt_string_loc s;
| Ppat_alias (p, s) ->
line i ppf "Ppat_alias %a\n" fmt_string_loc s;
pattern i ppf p;
| Ppat_constant (c) -> line i ppf "Ppat_constant %a\n" fmt_constant c;
| Ppat_interval (c1, c2) ->
line i ppf "Ppat_interval %a..%a\n" fmt_constant c1 fmt_constant c2;
| Ppat_tuple (l) ->
line i ppf "Ppat_tuple\n";
list i pattern ppf l;
| Ppat_construct (li, po) ->
line i ppf "Ppat_construct %a\n" fmt_longident_loc li;
option i pattern ppf po;
| Ppat_variant (l, po) ->
line i ppf "Ppat_variant \"%s\"\n" l;
option i pattern ppf po;
| Ppat_record (l, c) ->
line i ppf "Ppat_record %a\n" fmt_closed_flag c;
list i longident_x_pattern ppf l;
| Ppat_array (l) ->
line i ppf "Ppat_array\n";
list i pattern ppf l;
| Ppat_or (p1, p2) ->
line i ppf "Ppat_or\n";
pattern i ppf p1;
pattern i ppf p2;
| Ppat_lazy p ->
line i ppf "Ppat_lazy\n";
pattern i ppf p;
| Ppat_constraint (p, ct) ->
line i ppf "Ppat_constraint\n";
pattern i ppf p;
core_type i ppf ct;
| Ppat_type (li) ->
line i ppf "Ppat_type\n";
longident_loc i ppf li
| Ppat_unpack s ->
line i ppf "Ppat_unpack %a\n" fmt_string_loc s;
| Ppat_exception p ->
line i ppf "Ppat_exception\n";
pattern i ppf p
| Ppat_extension (s, arg) ->
line i ppf "Ppat_extension \"%s\"\n" s.txt;
payload i ppf arg
and expression i ppf x =
line i ppf "expression %a\n" fmt_location x.pexp_loc;
attributes i ppf x.pexp_attributes;
let i = i+1 in
match x.pexp_desc with
| Pexp_ident (li) -> line i ppf "Pexp_ident %a\n" fmt_longident_loc li;
| Pexp_constant (c) -> line i ppf "Pexp_constant %a\n" fmt_constant c;
| Pexp_let (rf, l, e) ->
line i ppf "Pexp_let %a\n" fmt_rec_flag rf;
list i value_binding ppf l;
expression i ppf e;
| Pexp_function l ->
line i ppf "Pexp_function\n";
list i case ppf l;
| Pexp_fun (l, eo, p, e) ->
line i ppf "Pexp_fun\n";
arg_label i ppf l;
option i expression ppf eo;
pattern i ppf p;
expression i ppf e;
| Pexp_apply (e, l) ->
line i ppf "Pexp_apply\n";
expression i ppf e;
list i label_x_expression ppf l;
| Pexp_match (e, l) ->
line i ppf "Pexp_match\n";
expression i ppf e;
list i case ppf l;
| Pexp_try (e, l) ->
line i ppf "Pexp_try\n";
expression i ppf e;
list i case ppf l;
| Pexp_tuple (l) ->
line i ppf "Pexp_tuple\n";
list i expression ppf l;
| Pexp_construct (li, eo) ->
line i ppf "Pexp_construct %a\n" fmt_longident_loc li;
option i expression ppf eo;
| Pexp_variant (l, eo) ->
line i ppf "Pexp_variant \"%s\"\n" l;
option i expression ppf eo;
| Pexp_record (l, eo) ->
line i ppf "Pexp_record\n";
list i longident_x_expression ppf l;
option i expression ppf eo;
| Pexp_field (e, li) ->
line i ppf "Pexp_field\n";
expression i ppf e;
longident_loc i ppf li;
| Pexp_setfield (e1, li, e2) ->
line i ppf "Pexp_setfield\n";
expression i ppf e1;
longident_loc i ppf li;
expression i ppf e2;
| Pexp_array (l) ->
line i ppf "Pexp_array\n";
list i expression ppf l;
| Pexp_ifthenelse (e1, e2, eo) ->
line i ppf "Pexp_ifthenelse\n";
expression i ppf e1;
expression i ppf e2;
option i expression ppf eo;
| Pexp_sequence (e1, e2) ->
line i ppf "Pexp_sequence\n";
expression i ppf e1;
expression i ppf e2;
| Pexp_while (e1, e2) ->
line i ppf "Pexp_while\n";
expression i ppf e1;
expression i ppf e2;
| Pexp_for (p, e1, e2, df, e3) ->
line i ppf "Pexp_for %a\n" fmt_direction_flag df;
pattern i ppf p;
expression i ppf e1;
expression i ppf e2;
expression i ppf e3;
| Pexp_constraint (e, ct) ->
line i ppf "Pexp_constraint\n";
expression i ppf e;
core_type i ppf ct;
| Pexp_coerce (e, cto1, cto2) ->
line i ppf "Pexp_coerce\n";
expression i ppf e;
option i core_type ppf cto1;
core_type i ppf cto2;
| Pexp_send (e, s) ->
line i ppf "Pexp_send \"%s\"\n" s;
expression i ppf e;
| Pexp_new (li) -> line i ppf "Pexp_new %a\n" fmt_longident_loc li;
| Pexp_setinstvar (s, e) ->
line i ppf "Pexp_setinstvar %a\n" fmt_string_loc s;
expression i ppf e;
| Pexp_override (l) ->
line i ppf "Pexp_override\n";
list i string_x_expression ppf l;
| Pexp_letmodule (s, me, e) ->
line i ppf "Pexp_letmodule %a\n" fmt_string_loc s;
module_expr i ppf me;
expression i ppf e;
| Pexp_assert (e) ->
line i ppf "Pexp_assert\n";
expression i ppf e;
| Pexp_lazy (e) ->
line i ppf "Pexp_lazy\n";
expression i ppf e;
| Pexp_poly (e, cto) ->
line i ppf "Pexp_poly\n";
expression i ppf e;
option i core_type ppf cto;
| Pexp_object s ->
line i ppf "Pexp_object\n";
class_structure i ppf s
| Pexp_newtype (s, e) ->
line i ppf "Pexp_newtype \"%s\"\n" s;
expression i ppf e
| Pexp_pack me ->
line i ppf "Pexp_pack\n";
module_expr i ppf me
| Pexp_open (ovf, m, e) ->
line i ppf "Pexp_open %a \"%a\"\n" fmt_override_flag ovf
fmt_longident_loc m;
expression i ppf e
| Pexp_extension (s, arg) ->
line i ppf "Pexp_extension \"%s\"\n" s.txt;
payload i ppf arg
| Pexp_unreachable ->
line i ppf "Pexp_unreachable"
and value_description i ppf x =
line i ppf "value_description %a %a\n" fmt_string_loc
x.pval_name fmt_location x.pval_loc;
attributes i ppf x.pval_attributes;
core_type (i+1) ppf x.pval_type;
list (i+1) string ppf x.pval_prim
and type_parameter i ppf (x, _variance) = core_type i ppf x
and type_declaration i ppf x =
line i ppf "type_declaration %a %a\n" fmt_string_loc x.ptype_name
fmt_location x.ptype_loc;
attributes i ppf x.ptype_attributes;
let i = i+1 in
line i ppf "ptype_params =\n";
list (i+1) type_parameter ppf x.ptype_params;
line i ppf "ptype_cstrs =\n";
list (i+1) core_type_x_core_type_x_location ppf x.ptype_cstrs;
line i ppf "ptype_kind =\n";
type_kind (i+1) ppf x.ptype_kind;
line i ppf "ptype_private = %a\n" fmt_private_flag x.ptype_private;
line i ppf "ptype_manifest =\n";
option (i+1) core_type ppf x.ptype_manifest
and attributes i ppf l =
let i = i + 1 in
List.iter
(fun (s, arg) ->
line i ppf "attribute \"%s\"\n" s.txt;
payload (i + 1) ppf arg;
)
l
and payload i ppf = function
| PStr x -> structure i ppf x
| PSig x -> signature i ppf x
| PTyp x -> core_type i ppf x
| PPat (x, None) -> pattern i ppf x
| PPat (x, Some g) ->
pattern i ppf x;
line i ppf "<when>\n";
expression (i + 1) ppf g
and type_kind i ppf x =
match x with
| Ptype_abstract ->
line i ppf "Ptype_abstract\n"
| Ptype_variant l ->
line i ppf "Ptype_variant\n";
list (i+1) constructor_decl ppf l;
| Ptype_record l ->
line i ppf "Ptype_record\n";
list (i+1) label_decl ppf l;
| Ptype_open ->
line i ppf "Ptype_open\n";
and type_extension i ppf x =
line i ppf "type_extension\n";
attributes i ppf x.ptyext_attributes;
let i = i+1 in
line i ppf "ptyext_path = %a\n" fmt_longident_loc x.ptyext_path;
line i ppf "ptyext_params =\n";
list (i+1) type_parameter ppf x.ptyext_params;
line i ppf "ptyext_constructors =\n";
list (i+1) extension_constructor ppf x.ptyext_constructors;
line i ppf "ptyext_private = %a\n" fmt_private_flag x.ptyext_private;
and extension_constructor i ppf x =
line i ppf "extension_constructor %a\n" fmt_location x.pext_loc;
attributes i ppf x.pext_attributes;
let i = i + 1 in
line i ppf "pext_name = \"%s\"\n" x.pext_name.txt;
line i ppf "pext_kind =\n";
extension_constructor_kind (i + 1) ppf x.pext_kind;
and extension_constructor_kind i ppf x =
match x with
Pext_decl(a, r) ->
line i ppf "Pext_decl\n";
constructor_arguments (i+1) ppf a;
option (i+1) core_type ppf r;
| Pext_rebind li ->
line i ppf "Pext_rebind\n";
line (i+1) ppf "%a\n" fmt_longident_loc li;
and class_type i ppf x =
line i ppf "class_type %a\n" fmt_location x.pcty_loc;
attributes i ppf x.pcty_attributes;
let i = i+1 in
match x.pcty_desc with
| Pcty_constr (li, l) ->
line i ppf "Pcty_constr %a\n" fmt_longident_loc li;
list i core_type ppf l;
| Pcty_signature (cs) ->
line i ppf "Pcty_signature\n";
class_signature i ppf cs;
| Pcty_arrow (l, co, cl) ->
line i ppf "Pcty_arrow\n";
arg_label i ppf l;
core_type i ppf co;
class_type i ppf cl;
| Pcty_extension (s, arg) ->
line i ppf "Pcty_extension \"%s\"\n" s.txt;
payload i ppf arg
and class_signature i ppf cs =
line i ppf "class_signature\n";
core_type (i+1) ppf cs.pcsig_self;
list (i+1) class_type_field ppf cs.pcsig_fields;
and class_type_field i ppf x =
line i ppf "class_type_field %a\n" fmt_location x.pctf_loc;
let i = i+1 in
attributes i ppf x.pctf_attributes;
match x.pctf_desc with
| Pctf_inherit (ct) ->
line i ppf "Pctf_inherit\n";
class_type i ppf ct;
| Pctf_val (s, mf, vf, ct) ->
line i ppf "Pctf_val \"%s\" %a %a\n" s fmt_mutable_flag mf
fmt_virtual_flag vf;
core_type (i+1) ppf ct;
| Pctf_method (s, pf, vf, ct) ->
line i ppf "Pctf_method \"%s\" %a %a\n" s fmt_private_flag pf
fmt_virtual_flag vf;
core_type (i+1) ppf ct;
| Pctf_constraint (ct1, ct2) ->
line i ppf "Pctf_constraint\n";
core_type (i+1) ppf ct1;
core_type (i+1) ppf ct2;
| Pctf_attribute (s, arg) ->
line i ppf "Pctf_attribute \"%s\"\n" s.txt;
payload i ppf arg
| Pctf_extension (s, arg) ->
line i ppf "Pctf_extension \"%s\"\n" s.txt;
payload i ppf arg
and class_description i ppf x =
line i ppf "class_description %a\n" fmt_location x.pci_loc;
attributes i ppf x.pci_attributes;
let i = i+1 in
line i ppf "pci_virt = %a\n" fmt_virtual_flag x.pci_virt;
line i ppf "pci_params =\n";
list (i+1) type_parameter ppf x.pci_params;
line i ppf "pci_name = %a\n" fmt_string_loc x.pci_name;
line i ppf "pci_expr =\n";
class_type (i+1) ppf x.pci_expr;
and class_type_declaration i ppf x =
line i ppf "class_type_declaration %a\n" fmt_location x.pci_loc;
attributes i ppf x.pci_attributes;
let i = i+1 in
line i ppf "pci_virt = %a\n" fmt_virtual_flag x.pci_virt;
line i ppf "pci_params =\n";
list (i+1) type_parameter ppf x.pci_params;
line i ppf "pci_name = %a\n" fmt_string_loc x.pci_name;
line i ppf "pci_expr =\n";
class_type (i+1) ppf x.pci_expr;
and class_expr i ppf x =
line i ppf "class_expr %a\n" fmt_location x.pcl_loc;
attributes i ppf x.pcl_attributes;
let i = i+1 in
match x.pcl_desc with
| Pcl_constr (li, l) ->
line i ppf "Pcl_constr %a\n" fmt_longident_loc li;
list i core_type ppf l;
| Pcl_structure (cs) ->
line i ppf "Pcl_structure\n";
class_structure i ppf cs;
| Pcl_fun (l, eo, p, e) ->
line i ppf "Pcl_fun\n";
arg_label i ppf l;
option i expression ppf eo;
pattern i ppf p;
class_expr i ppf e;
| Pcl_apply (ce, l) ->
line i ppf "Pcl_apply\n";
class_expr i ppf ce;
list i label_x_expression ppf l;
| Pcl_let (rf, l, ce) ->
line i ppf "Pcl_let %a\n" fmt_rec_flag rf;
list i value_binding ppf l;
class_expr i ppf ce;
| Pcl_constraint (ce, ct) ->
line i ppf "Pcl_constraint\n";
class_expr i ppf ce;
class_type i ppf ct;
| Pcl_extension (s, arg) ->
line i ppf "Pcl_extension \"%s\"\n" s.txt;
payload i ppf arg
and class_structure i ppf { pcstr_self = p; pcstr_fields = l } =
line i ppf "class_structure\n";
pattern (i+1) ppf p;
list (i+1) class_field ppf l;
and class_field i ppf x =
line i ppf "class_field %a\n" fmt_location x.pcf_loc;
let i = i + 1 in
attributes i ppf x.pcf_attributes;
match x.pcf_desc with
| Pcf_inherit (ovf, ce, so) ->
line i ppf "Pcf_inherit %a\n" fmt_override_flag ovf;
class_expr (i+1) ppf ce;
option (i+1) string ppf so;
| Pcf_val (s, mf, k) ->
line i ppf "Pcf_val %a\n" fmt_mutable_flag mf;
line (i+1) ppf "%a\n" fmt_string_loc s;
class_field_kind (i+1) ppf k
| Pcf_method (s, pf, k) ->
line i ppf "Pcf_method %a\n" fmt_private_flag pf;
line (i+1) ppf "%a\n" fmt_string_loc s;
class_field_kind (i+1) ppf k
| Pcf_constraint (ct1, ct2) ->
line i ppf "Pcf_constraint\n";
core_type (i+1) ppf ct1;
core_type (i+1) ppf ct2;
| Pcf_initializer (e) ->
line i ppf "Pcf_initializer\n";
expression (i+1) ppf e;
| Pcf_attribute (s, arg) ->
line i ppf "Pcf_attribute \"%s\"\n" s.txt;
payload i ppf arg
| Pcf_extension (s, arg) ->
line i ppf "Pcf_extension \"%s\"\n" s.txt;
payload i ppf arg
and class_field_kind i ppf = function
| Cfk_concrete (o, e) ->
line i ppf "Concrete %a\n" fmt_override_flag o;
expression i ppf e
| Cfk_virtual t ->
line i ppf "Virtual\n";
core_type i ppf t
and class_declaration i ppf x =
line i ppf "class_declaration %a\n" fmt_location x.pci_loc;
attributes i ppf x.pci_attributes;
let i = i+1 in
line i ppf "pci_virt = %a\n" fmt_virtual_flag x.pci_virt;
line i ppf "pci_params =\n";
list (i+1) type_parameter ppf x.pci_params;
line i ppf "pci_name = %a\n" fmt_string_loc x.pci_name;
line i ppf "pci_expr =\n";
class_expr (i+1) ppf x.pci_expr;
and module_type i ppf x =
line i ppf "module_type %a\n" fmt_location x.pmty_loc;
attributes i ppf x.pmty_attributes;
let i = i+1 in
match x.pmty_desc with
| Pmty_ident li -> line i ppf "Pmty_ident %a\n" fmt_longident_loc li;
| Pmty_alias li -> line i ppf "Pmty_alias %a\n" fmt_longident_loc li;
| Pmty_signature (s) ->
line i ppf "Pmty_signature\n";
signature i ppf s;
| Pmty_functor (s, mt1, mt2) ->
line i ppf "Pmty_functor %a\n" fmt_string_loc s;
Misc.may (module_type i ppf) mt1;
module_type i ppf mt2;
| Pmty_with (mt, l) ->
line i ppf "Pmty_with\n";
module_type i ppf mt;
list i with_constraint ppf l;
| Pmty_typeof m ->
line i ppf "Pmty_typeof\n";
module_expr i ppf m;
| Pmty_extension (s, arg) ->
line i ppf "Pmod_extension \"%s\"\n" s.txt;
payload i ppf arg
and signature i ppf x = list i signature_item ppf x
and signature_item i ppf x =
line i ppf "signature_item %a\n" fmt_location x.psig_loc;
let i = i+1 in
match x.psig_desc with
| Psig_value vd ->
line i ppf "Psig_value\n";
value_description i ppf vd;
| Psig_type (rf, l) ->
line i ppf "Psig_type %a\n" fmt_rec_flag rf;
list i type_declaration ppf l;
| Psig_typext te ->
line i ppf "Psig_typext\n";
type_extension i ppf te
| Psig_exception ext ->
line i ppf "Psig_exception\n";
extension_constructor i ppf ext;
| Psig_module pmd ->
line i ppf "Psig_module %a\n" fmt_string_loc pmd.pmd_name;
attributes i ppf pmd.pmd_attributes;
module_type i ppf pmd.pmd_type
| Psig_recmodule decls ->
line i ppf "Psig_recmodule\n";
list i module_declaration ppf decls;
| Psig_modtype x ->
line i ppf "Psig_modtype %a\n" fmt_string_loc x.pmtd_name;
attributes i ppf x.pmtd_attributes;
modtype_declaration i ppf x.pmtd_type
| Psig_open od ->
line i ppf "Psig_open %a %a\n"
fmt_override_flag od.popen_override
fmt_longident_loc od.popen_lid;
attributes i ppf od.popen_attributes
| Psig_include incl ->
line i ppf "Psig_include\n";
module_type i ppf incl.pincl_mod;
attributes i ppf incl.pincl_attributes
| Psig_class (l) ->
line i ppf "Psig_class\n";
list i class_description ppf l;
| Psig_class_type (l) ->
line i ppf "Psig_class_type\n";
list i class_type_declaration ppf l;
| Psig_extension ((s, arg), attrs) ->
line i ppf "Psig_extension \"%s\"\n" s.txt;
attributes i ppf attrs;
payload i ppf arg
| Psig_attribute (s, arg) ->
line i ppf "Psig_attribute \"%s\"\n" s.txt;
payload i ppf arg
and modtype_declaration i ppf = function
| None -> line i ppf "#abstract"
| Some mt -> module_type (i+1) ppf mt
and with_constraint i ppf x =
match x with
| Pwith_type (lid, td) ->
line i ppf "Pwith_type %a\n" fmt_longident_loc lid;
type_declaration (i+1) ppf td;
| Pwith_typesubst (td) ->
line i ppf "Pwith_typesubst\n";
type_declaration (i+1) ppf td;
| Pwith_module (lid1, lid2) ->
line i ppf "Pwith_module %a = %a\n"
fmt_longident_loc lid1
fmt_longident_loc lid2;
| Pwith_modsubst (s, li) ->
line i ppf "Pwith_modsubst %a = %a\n"
fmt_string_loc s
fmt_longident_loc li;
and module_expr i ppf x =
line i ppf "module_expr %a\n" fmt_location x.pmod_loc;
attributes i ppf x.pmod_attributes;
let i = i+1 in
match x.pmod_desc with
| Pmod_ident (li) -> line i ppf "Pmod_ident %a\n" fmt_longident_loc li;
| Pmod_structure (s) ->
line i ppf "Pmod_structure\n";
structure i ppf s;
| Pmod_functor (s, mt, me) ->
line i ppf "Pmod_functor %a\n" fmt_string_loc s;
Misc.may (module_type i ppf) mt;
module_expr i ppf me;
| Pmod_apply (me1, me2) ->
line i ppf "Pmod_apply\n";
module_expr i ppf me1;
module_expr i ppf me2;
| Pmod_constraint (me, mt) ->
line i ppf "Pmod_constraint\n";
module_expr i ppf me;
module_type i ppf mt;
| Pmod_unpack (e) ->
line i ppf "Pmod_unpack\n";
expression i ppf e;
| Pmod_extension (s, arg) ->
line i ppf "Pmod_extension \"%s\"\n" s.txt;
payload i ppf arg
and structure i ppf x = list i structure_item ppf x
and structure_item i ppf x =
line i ppf "structure_item %a\n" fmt_location x.pstr_loc;
let i = i+1 in
match x.pstr_desc with
| Pstr_eval (e, attrs) ->
line i ppf "Pstr_eval\n";
attributes i ppf attrs;
expression i ppf e;
| Pstr_value (rf, l) ->
line i ppf "Pstr_value %a\n" fmt_rec_flag rf;
list i value_binding ppf l;
| Pstr_primitive vd ->
line i ppf "Pstr_primitive\n";
value_description i ppf vd;
| Pstr_type (rf, l) ->
line i ppf "Pstr_type %a\n" fmt_rec_flag rf;
list i type_declaration ppf l;
| Pstr_typext te ->
line i ppf "Pstr_typext\n";
type_extension i ppf te
| Pstr_exception ext ->
line i ppf "Pstr_exception\n";
extension_constructor i ppf ext;
| Pstr_module x ->
line i ppf "Pstr_module\n";
module_binding i ppf x
| Pstr_recmodule bindings ->
line i ppf "Pstr_recmodule\n";
list i module_binding ppf bindings;
| Pstr_modtype x ->
line i ppf "Pstr_modtype %a\n" fmt_string_loc x.pmtd_name;
attributes i ppf x.pmtd_attributes;
modtype_declaration i ppf x.pmtd_type
| Pstr_open od ->
line i ppf "Pstr_open %a %a\n"
fmt_override_flag od.popen_override
fmt_longident_loc od.popen_lid;
attributes i ppf od.popen_attributes
| Pstr_class (l) ->
line i ppf "Pstr_class\n";
list i class_declaration ppf l;
| Pstr_class_type (l) ->
line i ppf "Pstr_class_type\n";
list i class_type_declaration ppf l;
| Pstr_include incl ->
line i ppf "Pstr_include";
attributes i ppf incl.pincl_attributes;
module_expr i ppf incl.pincl_mod
| Pstr_extension ((s, arg), attrs) ->
line i ppf "Pstr_extension \"%s\"\n" s.txt;
attributes i ppf attrs;
payload i ppf arg
| Pstr_attribute (s, arg) ->
line i ppf "Pstr_attribute \"%s\"\n" s.txt;
payload i ppf arg
and module_declaration i ppf pmd =
string_loc i ppf pmd.pmd_name;
attributes i ppf pmd.pmd_attributes;
module_type (i+1) ppf pmd.pmd_type;
and module_binding i ppf x =
string_loc i ppf x.pmb_name;
attributes i ppf x.pmb_attributes;
module_expr (i+1) ppf x.pmb_expr
and core_type_x_core_type_x_location i ppf (ct1, ct2, l) =
line i ppf "<constraint> %a\n" fmt_location l;
core_type (i+1) ppf ct1;
core_type (i+1) ppf ct2;
and constructor_decl i ppf
{pcd_name; pcd_args; pcd_res; pcd_loc; pcd_attributes} =
line i ppf "%a\n" fmt_location pcd_loc;
line (i+1) ppf "%a\n" fmt_string_loc pcd_name;
attributes i ppf pcd_attributes;
constructor_arguments (i+1) ppf pcd_args;
option (i+1) core_type ppf pcd_res
and constructor_arguments i ppf = function
| Pcstr_tuple l -> list i core_type ppf l
| Pcstr_record l -> list i label_decl ppf l
and label_decl i ppf {pld_name; pld_mutable; pld_type; pld_loc; pld_attributes}=
line i ppf "%a\n" fmt_location pld_loc;
attributes i ppf pld_attributes;
line (i+1) ppf "%a\n" fmt_mutable_flag pld_mutable;
line (i+1) ppf "%a" fmt_string_loc pld_name;
core_type (i+1) ppf pld_type
and longident_x_pattern i ppf (li, p) =
line i ppf "%a\n" fmt_longident_loc li;
pattern (i+1) ppf p;
and case i ppf {pc_lhs; pc_guard; pc_rhs} =
line i ppf "<case>\n";
pattern (i+1) ppf pc_lhs;
begin match pc_guard with
| None -> ()
| Some g -> line (i+1) ppf "<when>\n"; expression (i + 2) ppf g
end;
expression (i+1) ppf pc_rhs;
and value_binding i ppf x =
line i ppf "<def>\n";
attributes (i+1) ppf x.pvb_attributes;
pattern (i+1) ppf x.pvb_pat;
expression (i+1) ppf x.pvb_expr
and string_x_expression i ppf (s, e) =
line i ppf "<override> %a\n" fmt_string_loc s;
expression (i+1) ppf e;
and longident_x_expression i ppf (li, e) =
line i ppf "%a\n" fmt_longident_loc li;
expression (i+1) ppf e;
and label_x_expression i ppf (l,e) =
line i ppf "<arg>\n";
arg_label i ppf l;
expression (i+1) ppf e;
and label_x_bool_x_core_type_list i ppf x =
match x with
Rtag (l, attrs, b, ctl) ->
line i ppf "Rtag \"%s\" %s\n" l (string_of_bool b);
attributes (i+1) ppf attrs;
list (i+1) core_type ppf ctl
| Rinherit (ct) ->
line i ppf "Rinherit\n";
core_type (i+1) ppf ct
;;
let rec toplevel_phrase i ppf x =
match x with
| Ptop_def (s) ->
line i ppf "Ptop_def\n";
structure (i+1) ppf s;
| Ptop_dir (s, da) ->
line i ppf "Ptop_dir \"%s\"\n" s;
directive_argument i ppf da;
and directive_argument i ppf x =
match x with
| Pdir_none -> line i ppf "Pdir_none\n"
| Pdir_string (s) -> line i ppf "Pdir_string \"%s\"\n" s;
| Pdir_int (n, None) -> line i ppf "Pdir_int %s\n" n;
| Pdir_int (n, Some m) -> line i ppf "Pdir_int %s%c\n" n m;
| Pdir_ident (li) -> line i ppf "Pdir_ident %a\n" fmt_longident li;
| Pdir_bool (b) -> line i ppf "Pdir_bool %s\n" (string_of_bool b);
;;
let interface ppf x = list 0 signature_item ppf x;;
let implementation ppf x = list 0 structure_item ppf x;;
let top_phrase ppf x = toplevel_phrase 0 ppf x;;