ocaml/parsing/printast.ml

657 lines
20 KiB
OCaml

(***********************************************************************)
(* *)
(* Objective Caml *)
(* *)
(* 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 Q Public License version 1.0. *)
(* *)
(***********************************************************************)
(* $Id$ *)
open Asttypes;;
open Format;;
open Location;;
open Parsetree;;
let fmt_location f loc =
if loc.loc_ghost then
fprintf f "(%d,%d) ghost" loc.loc_start loc.loc_end
else
fprintf f "(%d,%d)" loc.loc_start loc.loc_end
;;
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_constant f x =
match x with
| Const_int (i) -> fprintf f "Const_int %d" i;
| Const_char (c) -> fprintf f "Const_char %02x" (Char.code c);
| Const_string (s) ->
fprintf f "Const_string %S" s;
| Const_float (s) -> fprintf f "Const_float %s" s;
;;
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_rec_flag f x =
match x with
| Nonrecursive -> fprintf f "Nonrec";
| Recursive -> fprintf f "Rec";
| Default -> fprintf f "Default";
;;
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) ' ');
fprintf f s (*...*)
;;
let list i f ppf l = List.iter (f i ppf) l;;
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 i ppf li = line i ppf "%a\n" fmt_longident li;;
let string i ppf s = line i ppf "\"%s\"\n" s;;
let bool i ppf x = line i ppf "%s\n" (string_of_bool x);;
let label i ppf x = line i ppf "label=\"%s\"\n" x;;
let rec core_type i ppf x =
line i ppf "core_type %a\n" fmt_location x.ptyp_loc;
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";
string 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 li;
list i core_type ppf l;
| Ptyp_variant (l, closed, low) ->
line i ppf "Ptyp_variant closed=%s\n" (string_of_bool closed);
list i label_x_bool_x_core_type_list ppf l;
option i (fun i -> list i string) ppf low
| Ptyp_object (l) ->
line i ppf "Ptyp_object\n";
list i core_field_type ppf l;
| Ptyp_class (li, l, low) ->
line i ppf "Ptyp_class %a\n" fmt_longident li;
list i core_type ppf l;
list i string ppf low
| 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;
and core_field_type i ppf x =
line i ppf "core_field_type %a\n" fmt_location x.pfield_loc;
let i = i+1 in
match x.pfield_desc with
| Pfield (s, ct) ->
line i ppf "Pfield \"%s\"\n" s;
core_type i ppf ct;
| Pfield_var -> line i ppf "Pfield_var\n";
and pattern i ppf x =
line i ppf "pattern %a\n" fmt_location x.ppat_loc;
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 \"%s\"\n" s;
| Ppat_alias (p, s) ->
line i ppf "Ppat_alias \"%s\"\n" s;
pattern i ppf p;
| Ppat_constant (c) -> line i ppf "Ppat_constant %a\n" fmt_constant c;
| Ppat_tuple (l) ->
line i ppf "Ppat_tuple\n";
list i pattern ppf l;
| Ppat_construct (li, po, b) ->
line i ppf "Ppat_construct %a\n" fmt_longident li;
option i pattern ppf po;
bool i ppf b;
| Ppat_variant (l, po) ->
line i ppf "Ppat_variant \"%s\"\n" l;
option i pattern ppf po;
| Ppat_record (l) ->
line i ppf "Ppat_record\n";
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_constraint (p, ct) ->
line i ppf "Ppat_constraint";
pattern i ppf p;
core_type i ppf ct;
| Ppat_type li ->
line i ppf "PPat_type";
longident i ppf li
and expression i ppf x =
line i ppf "expression %a\n" fmt_location x.pexp_loc;
let i = i+1 in
match x.pexp_desc with
| Pexp_ident (li) -> line i ppf "Pexp_ident %a\n" fmt_longident 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 pattern_x_expression_def ppf l;
expression i ppf e;
| Pexp_function (p, eo, l) ->
line i ppf "Pexp_function \"%s\"\n" p;
option i expression ppf eo;
list i pattern_x_expression_case ppf l;
| 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 pattern_x_expression_case ppf l;
| Pexp_try (e, l) ->
line i ppf "Pexp_try\n";
expression i ppf e;
list i pattern_x_expression_case ppf l;
| Pexp_tuple (l) ->
line i ppf "Pexp_tuple\n";
list i expression ppf l;
| Pexp_construct (li, eo, b) ->
line i ppf "Pexp_construct %a\n" fmt_longident li;
option i expression ppf eo;
bool i ppf b;
| 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 i ppf li;
| Pexp_setfield (e1, li, e2) ->
line i ppf "Pexp_setfield\n";
expression i ppf e1;
longident 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 (s, e1, e2, df, e3) ->
line i ppf "Pexp_for \"%s\" %a\n" s fmt_direction_flag df;
expression i ppf e1;
expression i ppf e2;
expression i ppf e3;
| Pexp_constraint (e, cto1, cto2) ->
line i ppf "Pexp_constraint\n";
expression i ppf e;
option i core_type ppf cto1;
option i core_type ppf cto2;
| Pexp_when (e1, e2) ->
line i ppf "Pexp_when\n";
expression i ppf e1;
expression i ppf e2;
| 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 li;
| Pexp_setinstvar (s, e) ->
line i ppf "Pexp_setinstvar \"%s\"\n" 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 \"%s\"\n" s;
module_expr i ppf me;
expression i ppf e;
| Pexp_assert (e) ->
line i ppf "Pexp_assert";
expression i ppf e;
| Pexp_assertfalse ->
line i ppf "Pexp_assertfalse";
| Pexp_lazy (e) ->
line i ppf "Pexp_lazy";
expression i ppf e;
| Pexp_poly (e, cto) ->
line i ppf "Pexp_poly\n";
expression i ppf e;
option i core_type ppf cto;
and value_description i ppf x =
line i ppf "value_description\n";
core_type (i+1) ppf x.pval_type;
list (i+1) string ppf x.pval_prim;
and type_declaration i ppf x =
line i ppf "type_declaration %a\n" fmt_location x.ptype_loc;
let i = i+1 in
line i ppf "ptype_params =\n";
list (i+1) string 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_manifest =\n";
option (i+1) core_type ppf x.ptype_manifest;
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) string_x_core_type_list ppf l;
| Ptype_record (l) ->
line i ppf "Ptype_record\n";
list (i+1) string_x_mutable_flag_x_core_type ppf l;
and exception_declaration i ppf x = list i core_type ppf x
and class_type i ppf x =
line i ppf "class_type %a\n" fmt_location x.pcty_loc;
let i = i+1 in
match x.pcty_desc with
| Pcty_constr (li, l) ->
line i ppf "Pcty_constr %a\n" fmt_longident li;
list i core_type ppf l;
| Pcty_signature (cs) ->
line i ppf "Pcty_signature\n";
class_signature i ppf cs;
| Pcty_fun (l, co, cl) ->
line i ppf "Pcty_fun \"%s\"\n" l;
core_type i ppf co;
class_type i ppf cl;
and class_signature i ppf (ct, l) =
line i ppf "class_signature\n";
core_type (i+1) ppf ct;
list (i+1) class_type_field ppf l;
and class_type_field i ppf x =
match x with
| Pctf_inher (ct) ->
line i ppf "Pctf_inher\n";
class_type i ppf ct;
| Pctf_val (s, mf, cto, loc) ->
line i ppf
"Pctf_val \"%s\" %a %a\n" s fmt_mutable_flag mf fmt_location loc;
option i core_type ppf cto;
| Pctf_virt (s, pf, ct, loc) ->
line i ppf
"Pctf_virt \"%s\" %a %a\n" s fmt_private_flag pf fmt_location loc;
| Pctf_meth (s, pf, ct, loc) ->
line i ppf
"Pctf_meth \"%s\" %a %a\n" s fmt_private_flag pf fmt_location loc;
| Pctf_cstr (ct1, ct2, loc) ->
line i ppf "Pctf_cstr %a\n" fmt_location loc;
core_type i ppf ct1;
core_type i ppf ct2;
and class_description i ppf x =
line i ppf "class_description %a\n" fmt_location x.pci_loc;
let i = i+1 in
line i ppf "pci_virt = %a\n" fmt_virtual_flag x.pci_virt;
line i ppf "pci_params =\n";
string_list_x_location (i+1) ppf x.pci_params;
line i ppf "pci_name = \"%s\"\n" 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;
let i = i+1 in
line i ppf "pci_virt = %a\n" fmt_virtual_flag x.pci_virt;
line i ppf "pci_params =\n";
string_list_x_location (i+1) ppf x.pci_params;
line i ppf "pci_name = \"%s\"\n" 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;
let i = i+1 in
match x.pcl_desc with
| Pcl_constr (li, l) ->
line i ppf "Pcl_constr %a\n" fmt_longident 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";
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 pattern_x_expression_def 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;
and class_structure i ppf (p, 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 =
match x with
| Pcf_inher (ce, so) ->
printf "Pcf_inher\n";
class_expr (i+1) ppf ce;
option (i+1) string ppf so;
| Pcf_val (s, mf, e, loc) ->
line i ppf
"Pcf_val \"%s\" %a %a\n" s fmt_mutable_flag mf fmt_location loc;
expression (i+1) ppf e;
| Pcf_virt (s, pf, ct, loc) ->
line i ppf
"Pcf_virt \"%s\" %a %a\n" s fmt_private_flag pf fmt_location loc;
core_type (i+1) ppf ct;
| Pcf_meth (s, pf, e, loc) ->
line i ppf
"Pcf_meth \"%s\" %a %a\n" s fmt_private_flag pf fmt_location loc;
expression (i+1) ppf e;
| Pcf_cstr (ct1, ct2, loc) ->
line i ppf "Pcf_cstr %a\n" fmt_location loc;
core_type (i+1) ppf ct1;
core_type (i+1) ppf ct2;
| Pcf_let (rf, l, loc) ->
line i ppf "Pcf_let %a %a\n" fmt_rec_flag rf fmt_location loc;
list (i+1) pattern_x_expression_def ppf l;
| Pcf_init (e) ->
line i ppf "Pcf_init\n";
expression (i+1) ppf e;
and class_declaration i ppf x =
line i ppf "class_declaration %a\n" fmt_location x.pci_loc;
let i = i+1 in
line i ppf "pci_virt = %a\n" fmt_virtual_flag x.pci_virt;
line i ppf "pci_params =\n";
string_list_x_location (i+1) ppf x.pci_params;
line i ppf "pci_name = \"%s\"\n" 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;
let i = i+1 in
match x.pmty_desc with
| Pmty_ident (li) -> line i ppf "Pmty_ident %a\n" fmt_longident li;
| Pmty_signature (s) ->
line i ppf "Pmty_signature\n";
signature i ppf s;
| Pmty_functor (s, mt1, mt2) ->
line i ppf "Pmty_functor \"%s\"\n" s;
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 longident_x_with_constraint ppf l;
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 (s, vd) ->
line i ppf "Psig_value \"%s\"\n" s;
value_description i ppf vd;
| Psig_type (l) ->
line i ppf "Psig_type\n";
list i string_x_type_declaration ppf l;
| Psig_exception (s, ed) ->
line i ppf "Psig_exception \"%s\"\n" s;
exception_declaration i ppf ed;
| Psig_module (s, mt) ->
line i ppf "Psig_module \"%s\"\n" s;
module_type i ppf mt;
| Psig_modtype (s, md) ->
line i ppf "Psig_modtype \"%s\"\n" s;
modtype_declaration i ppf md;
| Psig_open (li) -> line i ppf "Psig_open %a\n" fmt_longident li;
| Psig_include (mt) ->
line i ppf "Psig_include\n";
module_type i ppf mt;
| 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;
and modtype_declaration i ppf x =
match x with
| Pmodtype_abstract -> line i ppf "Pmodtype_abstract\n";
| Pmodtype_manifest (mt) ->
line i ppf "Pmodtype_manifest\n";
module_type (i+1) ppf mt;
and with_constraint i ppf x =
match x with
| Pwith_type (td) ->
line i ppf "Pwith_type\n";
type_declaration (i+1) ppf td;
| Pwith_module (li) -> line i ppf "Pwith_module %a\n" fmt_longident li;
and module_expr i ppf x =
line i ppf "module_expr %a\n" fmt_location x.pmod_loc;
let i = i+1 in
match x.pmod_desc with
| Pmod_ident (li) -> line i ppf "Pmod_ident %a\n" fmt_longident li;
| Pmod_structure (s) ->
line i ppf "Pmod_structure\n";
structure i ppf s;
| Pmod_functor (s, mt, me) ->
line i ppf "Pmod_functor \"%s\"\n" s;
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;
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) ->
line i ppf "Pstr_eval\n";
expression i ppf e;
| Pstr_value (rf, l) ->
line i ppf "Pstr_value %a\n" fmt_rec_flag rf;
list i pattern_x_expression_def ppf l;
| Pstr_primitive (s, vd) ->
line i ppf "Pstr_primitive \"%s\"\n" s;
value_description i ppf vd;
| Pstr_type (l) ->
line i ppf "Pstr_type\n";
list i string_x_type_declaration ppf l;
| Pstr_exception (s, ed) ->
line i ppf "Pstr_exception \"%s\"\n" s;
exception_declaration i ppf ed;
| Pstr_exn_rebind (s, li) ->
line i ppf "Pstr_exn_rebind \"%s\" %a\n" s fmt_longident li;
| Pstr_module (s, me) ->
line i ppf "Pstr_module \"%s\"\n" s;
module_expr i ppf me;
| Pstr_modtype (s, mt) ->
line i ppf "Pstr_modtype \"%s\"\n" s;
module_type i ppf mt;
| Pstr_open (li) -> line i ppf "Pstr_open %a\n" fmt_longident li;
| 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 me ->
line i ppf "Pstr_include";
module_expr i ppf me
and string_x_type_declaration i ppf (s, td) =
string i ppf s;
type_declaration (i+1) ppf td;
and longident_x_with_constraint i ppf (li, wc) =
line i ppf "%a\n" fmt_longident li;
with_constraint (i+1) ppf wc;
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 string_x_core_type_list i ppf (s, l) =
string i ppf s;
list (i+1) core_type ppf l;
and string_x_mutable_flag_x_core_type i ppf (s, mf, ct) =
line i ppf "\"%s\" %a\n" s fmt_mutable_flag mf;
core_type (i+1) ppf ct;
and string_list_x_location i ppf (l, loc) =
line i ppf "<params> %a\n" fmt_location loc;
list (i+1) string ppf l;
and longident_x_pattern i ppf (li, p) =
line i ppf "%a\n" fmt_longident li;
pattern (i+1) ppf p;
and pattern_x_expression_case i ppf (p, e) =
line i ppf "<case>\n";
pattern (i+1) ppf p;
expression (i+1) ppf e;
and pattern_x_expression_def i ppf (p, e) =
line i ppf "<def>\n";
pattern (i+1) ppf p;
expression (i+1) ppf e;
and string_x_expression i ppf (s, e) =
line i ppf "<override> \"%s\"\n" s;
expression (i+1) ppf e;
and longident_x_expression i ppf (li, e) =
line i ppf "%a\n" fmt_longident li;
expression (i+1) ppf e;
and label_x_expression i ppf (l,e) =
line i ppf "<label> \"%s\"\n" l;
expression (i+1) ppf e;
and label_x_bool_x_core_type_list i ppf x =
match x with
Rtag (l, b, ctl) ->
line i ppf "Rtag \"%s\" %s\n" l (string_of_bool b);
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 (i) -> line i ppf "Pdir_int %d\n" i;
| 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;;