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permit multiline comments and strings in macros
[bpt/coccinelle.git] / parsing_c / pretty_print_c.ml
1 (* Yoann Padioleau, Julia Lawall
2 *
3 * Copyright (C) 2010, University of Copenhagen DIKU and INRIA.
4 * Copyright (C) 2006, 2007, 2008, 2009 Ecole des Mines de Nantes and DIKU
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License (GPL)
8 * version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * file license.txt for more details.
14 *)
15 open Common
16
17 open Ast_c
18
19 module F = Control_flow_c
20
21 (*****************************************************************************)
22 (* Wrappers *)
23 (*****************************************************************************)
24 let pr2, pr2_once = Common.mk_pr2_wrappers Flag_parsing_c.verbose_unparsing
25
26 (*****************************************************************************)
27 (* Types *)
28 (*****************************************************************************)
29
30 type type_with_ident =
31 (string * Ast_c.info) option ->
32 (Ast_c.storage * Ast_c.il) option ->
33 Ast_c.fullType ->
34 Ast_c.attribute list -> unit
35
36 type 'a printer = 'a -> unit
37
38 type pretty_printers = {
39 expression : Ast_c.expression printer;
40 arg_list : (Ast_c.argument Ast_c.wrap2 list) printer;
41 arg : Ast_c.argument printer;
42 statement : Ast_c.statement printer;
43 decl : Ast_c.declaration printer;
44 field : Ast_c.field printer;
45 field_list : Ast_c.field list printer;
46 init : Ast_c.initialiser printer;
47 init_list : (Ast_c.initialiser wrap2 list) printer;
48 param : Ast_c.parameterType printer;
49 paramlist : (Ast_c.parameterType Ast_c.wrap2 list) printer;
50 ty : Ast_c.fullType printer;
51 type_with_ident : type_with_ident;
52 toplevel : Ast_c.toplevel printer;
53 flow : Control_flow_c.node printer
54 }
55
56
57
58 (*****************************************************************************)
59
60 (* This module is used by unparse_c, but because unparse_c have also
61 * the list of tokens, pretty_print_c could be useless in the future
62 * (except that the ast_c have some fake tokens not present in the list
63 * of tokens so it's still useful). But this module is also useful to
64 * unparse C when you don't have the ordered list of tokens separately,
65 * or tokens without position information, for instance when you want
66 * to pretty print some piece of C that was generated, or some
67 * abstract-lined piece of code, etc. *)
68
69 let mk_pretty_printers
70 ~pr_elem ~pr_space
71 ~pr_nl ~pr_indent ~pr_outdent ~pr_unindent
72 =
73 let start_block () = pr_nl(); pr_indent() in
74 let end_block () = pr_unindent(); pr_nl() in
75 (*
76 let pr_nl_slash _ = (* multiline macro *)
77 let slash = (Ast_c.fakeInfo() +> Ast_c.rewrap_str " \\") in
78 pr_elem slash; pr_nl() in
79 *)
80 let indent_if_needed st f =
81 match Ast_c.unwrap_st st with
82 Compound _ -> pr_space(); f()
83 | _ ->
84 (*no newline at the end - someone else will do that*)
85 start_block(); f(); pr_unindent() in
86
87
88 let pp_list printer l =
89 l +> List.iter (fun (e, opt) ->
90 assert (List.length opt <= 1); (* opt must be a comma? *)
91 opt +> List.iter (function x -> pr_elem x; pr_space());
92 printer e) in
93
94 let rec pp_expression = fun ((exp, typ), ii) ->
95 (match exp, ii with
96 | Ident (ident), [] -> pp_name ident
97 (* only a MultiString can have multiple ii *)
98 | Constant (MultiString _), is -> is +> List.iter pr_elem
99 | Constant (c), [i] -> pr_elem i
100 | FunCall (e, es), [i1;i2] ->
101 pp_expression e; pr_elem i1;
102 pp_arg_list es;
103 pr_elem i2;
104
105 | CondExpr (e1, e2, e3), [i1;i2] ->
106 pp_expression e1; pr_space(); pr_elem i1; pr_space();
107 do_option (function x -> pp_expression x; pr_space()) e2; pr_elem i2;
108 pr_space(); pp_expression e3
109 | Sequence (e1, e2), [i] ->
110 pp_expression e1; pr_elem i; pr_space(); pp_expression e2
111 | Assignment (e1, op, e2), [i] ->
112 pp_expression e1; pr_space(); pr_elem i; pr_space(); pp_expression e2
113
114 | Postfix (e, op), [i] -> pp_expression e; pr_elem i;
115 | Infix (e, op), [i] -> pr_elem i; pp_expression e;
116 | Unary (e, op), [i] -> pr_elem i; pp_expression e
117 | Binary (e1, op, e2), [i] ->
118 pp_expression e1; pr_space(); pr_elem i; pr_space(); pp_expression e2
119
120 | ArrayAccess (e1, e2), [i1;i2] ->
121 pp_expression e1; pr_elem i1; pp_expression e2; pr_elem i2
122 | RecordAccess (e, name), [i1] ->
123 pp_expression e; pr_elem i1; pp_name name;
124 | RecordPtAccess (e, name), [i1] ->
125 pp_expression e; pr_elem i1; pp_name name;
126
127 | SizeOfExpr (e), [i] ->
128 pr_elem i;
129 (match Ast_c.unwrap e with
130 ParenExpr (e), _ -> ()
131 | _ -> pr_space());
132 pp_expression e
133 | SizeOfType (t), [i1;i2;i3] ->
134 pr_elem i1; pr_elem i2; pp_type t; pr_elem i3
135 | Cast (t, e), [i1;i2] ->
136 pr_elem i1; pp_type t; pr_elem i2; pp_expression e
137
138 | StatementExpr (statxs, [ii1;ii2]), [i1;i2] ->
139 pr_elem i1;
140 pr_elem ii1;
141 statxs +> List.iter pp_statement_seq;
142 pr_elem ii2;
143 pr_elem i2;
144 | Constructor (t, init), [lp;rp] ->
145 pr_elem lp;
146 pp_type t;
147 pr_elem rp;
148 pp_init init
149
150 | ParenExpr (e), [i1;i2] -> pr_elem i1; pp_expression e; pr_elem i2;
151
152 | New (None, t), [i1] -> pr_elem i1; pp_argument t
153 | New (Some ts, t), [i1; i2; i3] ->
154 pr_elem i1; pr_elem i2; pp_arg_list ts; pr_elem i3; pp_argument t
155 | Delete(t), [i1] -> pr_elem i1; pp_expression t
156
157 | (Ident (_) | Constant _ | FunCall (_,_) | CondExpr (_,_,_)
158 | Sequence (_,_)
159 | Assignment (_,_,_)
160 | Postfix (_,_) | Infix (_,_) | Unary (_,_) | Binary (_,_,_)
161 | ArrayAccess (_,_) | RecordAccess (_,_) | RecordPtAccess (_,_)
162 | SizeOfExpr (_) | SizeOfType (_) | Cast (_,_)
163 | StatementExpr (_) | Constructor _
164 | ParenExpr (_) | New (_) | Delete (_)),_ -> raise (Impossible 95)
165 );
166
167 if !Flag_parsing_c.pretty_print_type_info
168 then begin
169 pr_elem (Ast_c.fakeInfo() +> Ast_c.rewrap_str "/*");
170 !typ +>
171 (fun (ty,_test) -> ty +>
172 Common.do_option
173 (fun (x,l) -> pp_type x;
174 let s = match l with
175 Ast_c.LocalVar _ -> ", local"
176 | _ -> "" in
177 pr_elem (Ast_c.fakeInfo() +> Ast_c.rewrap_str s)));
178 pr_elem (Ast_c.fakeInfo() +> Ast_c.rewrap_str "*/");
179 end
180
181 and pp_arg_list es = pp_list pp_argument es
182
183 and pp_argument argument =
184 let rec pp_action (ActMisc ii) = ii +> List.iter pr_elem in
185 match argument with
186 | Left e -> pp_expression e
187 | Right weird ->
188 (match weird with
189 | ArgType param -> pp_param param
190 | ArgAction action -> pp_action action)
191
192 (* ---------------------- *)
193 and pp_name = function
194 | RegularName (s, ii) ->
195 let (i1) = Common.tuple_of_list1 ii in
196 pr_elem i1
197 | CppConcatenatedName xs ->
198 xs +> List.iter (fun ((x,ii1), ii2) ->
199 ii2 +> List.iter pr_elem;
200 ii1 +> List.iter pr_elem;
201 )
202 | CppVariadicName (s, ii) ->
203 ii +> List.iter pr_elem
204 | CppIdentBuilder ((s,iis), xs) ->
205 let (iis, iop, icp) = Common.tuple_of_list3 iis in
206 pr_elem iis;
207 pr_elem iop;
208 xs +> List.iter (fun ((x,iix), iicomma) ->
209 iicomma +> List.iter pr_elem;
210 iix +> List.iter pr_elem;
211 );
212 pr_elem icp
213
214 (* ---------------------- *)
215 and pp_statement = fun st ->
216 match Ast_c.get_st_and_ii st with
217 | Labeled (Label (name, st)), ii ->
218 let (i2) = Common.tuple_of_list1 ii in
219 pr_outdent(); pp_name name; pr_elem i2; pr_nl(); pp_statement st
220 | Labeled (Case (e, st)), [i1;i2] ->
221 pr_unindent();
222 pr_elem i1; pp_expression e; pr_elem i2; pr_nl(); pr_indent();
223 pp_statement st
224 | Labeled (CaseRange (e, e2, st)), [i1;i2;i3] ->
225 pr_unindent();
226 pr_elem i1; pp_expression e; pr_elem i2; pp_expression e2; pr_elem i3;
227 pr_nl(); pr_indent();
228 pp_statement st
229 | Labeled (Default st), [i1;i2] ->
230 pr_unindent(); pr_elem i1; pr_elem i2; pr_nl(); pr_indent();
231 pp_statement st
232 | Compound statxs, [i1;i2] ->
233 pr_elem i1; start_block();
234 statxs +> Common.print_between pr_nl pp_statement_seq;
235 end_block(); pr_elem i2;
236
237 | ExprStatement (None), [i] -> pr_elem i;
238 | ExprStatement (None), [] -> ()
239 | ExprStatement (Some e), [i] -> pp_expression e; pr_elem i
240 (* the last ExprStatement of a for does not have a trailing
241 ';' hence the [] for ii *)
242 | ExprStatement (Some e), [] -> pp_expression e;
243 | Selection (If (e, st1, st2)), i1::i2::i3::is ->
244 pr_elem i1; pr_space(); pr_elem i2; pp_expression e; pr_elem i3;
245 indent_if_needed st1 (function _ -> pp_statement st1);
246 (match (Ast_c.get_st_and_ii st2, is) with
247 | ((ExprStatement None, []), []) -> ()
248 | ((ExprStatement None, []), [iifakend]) -> pr_elem iifakend
249 | _st2, [i4;iifakend] -> pr_elem i4;
250 indent_if_needed st2 (function _ -> pp_statement st2);
251 pr_elem iifakend
252 | x -> raise (Impossible 96)
253 )
254 | Selection (Switch (e, st)), [i1;i2;i3;iifakend] ->
255 pr_elem i1; pr_space(); pr_elem i2; pp_expression e; pr_elem i3;
256 indent_if_needed st (function _-> pp_statement st); pr_elem iifakend
257 | Iteration (While (e, st)), [i1;i2;i3;iifakend] ->
258 pr_elem i1; pr_space(); pr_elem i2; pp_expression e; pr_elem i3;
259 indent_if_needed st (function _-> pp_statement st); pr_elem iifakend
260 | Iteration (DoWhile (st, e)), [i1;i2;i3;i4;i5;iifakend] ->
261 pr_elem i1;
262 indent_if_needed st (function _ -> pp_statement st);
263 pr_elem i2; pr_elem i3; pp_expression e;
264 pr_elem i4; pr_elem i5;
265 pr_elem iifakend
266
267
268 | Iteration (For (first,(e2opt,il2),(e3opt, il3),st)),
269 [i1;i2;i3;iifakend] ->
270
271 pr_elem i1; pr_space();
272 pr_elem i2;
273 (match first with
274 ForExp (e1opt,il1) ->
275 pp_statement (Ast_c.mk_st (ExprStatement e1opt) il1)
276 | ForDecl decl -> pp_decl decl);
277 pp_statement (Ast_c.mk_st (ExprStatement e2opt) il2);
278 assert (null il3);
279 pp_statement (Ast_c.mk_st (ExprStatement e3opt) il3);
280 pr_elem i3;
281 indent_if_needed st (function _ -> pp_statement st);
282 pr_elem iifakend
283
284 | Iteration (MacroIteration (s,es,st)), [i1;i2;i3;iifakend] ->
285 pr_elem i1; pr_space();
286 pr_elem i2;
287
288 es +> List.iter (fun (e, opt) ->
289 assert (List.length opt <= 1);
290 opt +> List.iter pr_elem;
291 pp_argument e;
292 );
293
294 pr_elem i3;
295 indent_if_needed st (function _ -> pp_statement st);
296 pr_elem iifakend
297
298 | Jump (Goto name), ii ->
299 let (i1, i3) = Common.tuple_of_list2 ii in
300 pr_elem i1; pr_space(); pp_name name; pr_elem i3;
301 | Jump ((Continue|Break|Return)), [i1;i2] -> pr_elem i1; pr_elem i2;
302 | Jump (ReturnExpr e), [i1;i2] ->
303 pr_elem i1; pr_space(); pp_expression e; pr_elem i2
304 | Jump (GotoComputed e), [i1;i2;i3] ->
305 pr_elem i1; pr_elem i2; pp_expression e; pr_elem i3
306
307 | Decl decl, [] -> pp_decl decl
308 | Asm asmbody, ii ->
309 (match ii with
310 | [iasm;iopar;icpar;iptvirg] ->
311 pr_elem iasm; pr_elem iopar;
312 pp_asmbody asmbody;
313 pr_elem icpar; pr_elem iptvirg
314 | [iasm;ivolatile;iopar;icpar;iptvirg] ->
315 pr_elem iasm; pr_elem ivolatile; pr_elem iopar;
316 pp_asmbody asmbody;
317 pr_elem icpar; pr_elem iptvirg
318 | _ -> raise (Impossible 97)
319 )
320
321 | NestedFunc def, ii ->
322 assert (null ii);
323 pp_def def
324 | MacroStmt, ii ->
325 ii +> List.iter pr_elem ;
326
327 | (Labeled (Case (_,_))
328 | Labeled (CaseRange (_,_,_)) | Labeled (Default _)
329 | Compound _ | ExprStatement _
330 | Selection (If (_, _, _)) | Selection (Switch (_, _))
331 | Iteration (While (_, _)) | Iteration (DoWhile (_, _))
332 | Iteration (For (_, (_,_), (_, _), _))
333 | Iteration (MacroIteration (_,_,_))
334 | Jump ((Continue|Break|Return)) | Jump (ReturnExpr _)
335 | Jump (GotoComputed _)
336 | Decl _
337 ), _ -> raise (Impossible 98)
338
339 and pp_statement_seq = function
340 | StmtElem st -> pp_statement st
341 | IfdefStmt ifdef -> pp_ifdef ifdef
342 | CppDirectiveStmt cpp -> pp_directive cpp
343 | IfdefStmt2 (ifdef, xxs) -> pp_ifdef_tree_sequence ifdef xxs
344
345 (* ifdef XXX elsif YYY elsif ZZZ endif *)
346 and pp_ifdef_tree_sequence ifdef xxs =
347 match ifdef with
348 | if1::ifxs ->
349 pp_ifdef if1;
350 pp_ifdef_tree_sequence_aux ifxs xxs
351 | _ -> raise (Impossible 99)
352
353 (* XXX elsif YYY elsif ZZZ endif *)
354 and pp_ifdef_tree_sequence_aux ifdefs xxs =
355 Common.zip ifdefs xxs +> List.iter (fun (ifdef, xs) ->
356 xs +> List.iter pp_statement_seq;
357 pp_ifdef ifdef
358 )
359
360
361
362
363
364 (* ---------------------- *)
365 and pp_asmbody (string_list, colon_list) =
366 string_list +> List.iter pr_elem ;
367 colon_list +> List.iter (fun (Colon xs, ii) ->
368 ii +> List.iter pr_elem;
369 xs +> List.iter (fun (x,iicomma) ->
370 assert ((List.length iicomma) <= 1);
371 iicomma +> List.iter (function x -> pr_elem x; pr_space());
372 (match x with
373 | ColonMisc, ii -> ii +> List.iter pr_elem;
374 | ColonExpr e, [istring;iopar;icpar] ->
375 pr_elem istring;
376 pr_elem iopar;
377 pp_expression e;
378 pr_elem icpar
379 (* the following case used to be just raise Impossible, but
380 the code __asm__ __volatile__ ("dcbz 0, %[input]"
381 ::[input]"r"(&coherence_data[i]));
382 in linux-2.6.34/drivers/video/fsl-diu-fb.c matches this case *)
383 | (ColonExpr e), ii ->
384 (match List.rev ii with
385 icpar::iopar::istring::rest ->
386 List.iter pr_elem (List.rev rest);
387 pr_elem istring;
388 pr_elem iopar;
389 pp_expression e;
390 pr_elem icpar
391 | _ -> raise (Impossible 100)))
392 ))
393
394
395 (* ---------------------- *)
396
397 (*
398 pp_type_with_ident
399 pp_base_type
400 pp_type_with_ident_rest
401 pp_type_left
402 pp_type_right
403 pp_type
404
405 pp_decl
406 *)
407 and (pp_type_with_ident:
408 (string * info) option -> (storage * il) option ->
409 fullType -> attribute list ->
410 unit) =
411 fun ident sto ft attrs ->
412 pp_base_type ft sto;
413 (match (ident, Ast_c.unwrap_typeC ft) with
414 (Some _,_) | (_,Pointer _) -> pr_space()
415 | _ -> ());
416 pp_type_with_ident_rest ident ft attrs
417
418
419 and (pp_base_type: fullType -> (storage * il) option -> unit) =
420 fun (qu, (ty, iity)) sto ->
421 let get_sto sto =
422 match sto with
423 | None -> [] | Some (s, iis) -> (*assert (List.length iis = 1);*) iis
424 in
425 let print_sto_qu (sto, (qu, iiqu)) =
426 let all_ii = get_sto sto ++ iiqu in
427 all_ii
428 +> List.sort Ast_c.compare_pos
429 +> Common.print_between pr_space pr_elem
430
431 in
432 let print_sto_qu_ty (sto, (qu, iiqu), iity) =
433 let all_ii = get_sto sto ++ iiqu ++ iity in
434 let all_ii2 = all_ii +> List.sort Ast_c.compare_pos in
435
436 if all_ii <> all_ii2
437 then begin
438 (* TODO in fact for pointer, the qualifier is after the type
439 * cf -test strangeorder
440 *)
441 pr2 "STRANGEORDER";
442 all_ii2 +> Common.print_between pr_space pr_elem
443 end
444 else all_ii2 +> Common.print_between pr_space pr_elem
445 in
446
447 match ty, iity with
448 | (NoType,_) -> ()
449 | (Pointer t, [i]) -> pp_base_type t sto
450 | (ParenType t, _) -> pp_base_type t sto
451 | (Array (eopt, t), [i1;i2]) -> pp_base_type t sto
452 | (FunctionType (returnt, paramst), [i1;i2]) ->
453 pp_base_type returnt sto;
454
455
456 | (StructUnion (su, sopt, fields),iis) ->
457 print_sto_qu (sto, qu);
458
459 (match sopt,iis with
460 | Some s , [i1;i2;i3;i4] ->
461 pr_elem i1; pr_elem i2; pr_elem i3;
462 | None, [i1;i2;i3] ->
463 pr_elem i1; pr_elem i2;
464 | x -> raise (Impossible 101)
465 );
466
467 fields +> List.iter pp_field;
468
469 (match sopt,iis with
470 | Some s , [i1;i2;i3;i4] -> pr_elem i4
471 | None, [i1;i2;i3] -> pr_elem i3;
472 | x -> raise (Impossible 102)
473 );
474
475
476
477 | (Enum (sopt, enumt), iis) ->
478 print_sto_qu (sto, qu);
479
480 (match sopt, iis with
481 | (Some s, ([i1;i2;i3;i4]|[i1;i2;i3;i4;_])) ->
482 pr_elem i1; pr_elem i2; pr_elem i3;
483 | (None, ([i1;i2;i3]|[i1;i2;i3;_])) ->
484 pr_elem i1; pr_elem i2
485 | x -> raise (Impossible 103)
486 );
487
488 enumt +> List.iter (fun ((name, eopt), iicomma) ->
489 assert (List.length iicomma <= 1);
490 iicomma +> List.iter (function x -> pr_elem x; pr_space());
491 pp_name name;
492 eopt +> Common.do_option (fun (ieq, e) ->
493 pr_elem ieq;
494 pp_expression e;
495 ));
496
497 (match sopt, iis with
498 | (Some s, [i1;i2;i3;i4]) -> pr_elem i4
499 | (Some s, [i1;i2;i3;i4;i5]) ->
500 pr_elem i5; pr_elem i4 (* trailing comma *)
501 | (None, [i1;i2;i3]) -> pr_elem i3
502 | (None, [i1;i2;i3;i4]) ->
503 pr_elem i4; pr_elem i3 (* trailing comma *)
504
505
506 | x -> raise (Impossible 104)
507 );
508
509
510 | (BaseType _, iis) ->
511 print_sto_qu_ty (sto, qu, iis);
512
513 | (StructUnionName (s, structunion), iis) ->
514 assert (List.length iis =|= 2);
515 print_sto_qu_ty (sto, qu, iis);
516
517 | (EnumName s, iis) ->
518 assert (List.length iis =|= 2);
519 print_sto_qu_ty (sto, qu, iis);
520
521 | (TypeName (name,typ), noii) ->
522 assert (null noii);
523 let (_s, iis) = get_s_and_info_of_name name in
524 print_sto_qu_ty (sto, qu, [iis]);
525
526 if !Flag_parsing_c.pretty_print_typedef_value
527 then begin
528 pr_elem (Ast_c.fakeInfo() +> Ast_c.rewrap_str "{*");
529 typ +> Common.do_option (fun typ ->
530 pp_type typ;
531 );
532 pr_elem (Ast_c.fakeInfo() +> Ast_c.rewrap_str "*}");
533 end;
534
535 | (TypeOfExpr (e), iis) ->
536 print_sto_qu (sto, qu);
537 (match iis with
538 | [itypeof;iopar;icpar] ->
539 pr_elem itypeof; pr_elem iopar;
540 pp_expression e;
541 pr_elem icpar;
542 | _ -> raise (Impossible 105)
543 )
544
545 | (TypeOfType (t), iis) ->
546 print_sto_qu (sto, qu);
547 (match iis with
548 | [itypeof;iopar;icpar] ->
549 pr_elem itypeof; pr_elem iopar;
550 pp_type t;
551 pr_elem icpar;
552 | _ -> raise (Impossible 106)
553 )
554
555 | (Pointer _ | (*ParenType _ |*) Array _ | FunctionType _
556 (* | StructUnion _ | Enum _ | BaseType _ *)
557 (* | StructUnionName _ | EnumName _ | TypeName _ *)
558 (* | TypeOfExpr _ | TypeOfType _ *)
559 ), _ -> raise (Impossible 107)
560
561 and pp_field_list fields = fields +> Common.print_between pr_nl pp_field
562 and pp_field = function
563 DeclarationField(FieldDeclList(onefield_multivars,iiptvirg))->
564 (match onefield_multivars with
565 x::xs ->
566 (* handling the first var. Special case, with the
567 first var, we print the whole type *)
568
569 (match x with
570 (Simple (nameopt, typ)), iivirg ->
571 (* first var cant have a preceding ',' *)
572 assert (List.length iivirg =|= 0);
573 let identinfo =
574 match nameopt with
575 | None -> None
576 | Some name -> Some (get_s_and_info_of_name name)
577 in
578 pp_type_with_ident identinfo None typ Ast_c.noattr;
579
580 | (BitField (nameopt, typ, iidot, expr)), iivirg ->
581 (* first var cant have a preceding ',' *)
582 assert (List.length iivirg =|= 0);
583 (match nameopt with
584 | None ->
585 pp_type typ;
586 | Some name ->
587 let (s, is) = get_s_and_info_of_name name in
588 pp_type_with_ident
589 (Some (s, is)) None typ Ast_c.noattr;
590 );
591 pr_elem iidot;
592 pp_expression expr
593
594 ); (* match x, first onefield_multivars *)
595
596 (* for other vars *)
597 xs +> List.iter (function
598 | (Simple (nameopt, typ)), iivirg ->
599 iivirg +> List.iter pr_elem;
600 let identinfo =
601 match nameopt with
602 | None -> None
603 | Some name -> Some (get_s_and_info_of_name name)
604 in
605 pp_type_with_ident_rest identinfo typ Ast_c.noattr
606
607 | (BitField (nameopt, typ, iidot, expr)), iivirg ->
608 iivirg +> List.iter pr_elem;
609 (match nameopt with
610 | Some name ->
611 let (s,is) = get_s_and_info_of_name name in
612 pp_type_with_ident_rest
613 (Some (s, is)) typ Ast_c.noattr;
614 pr_elem iidot;
615 pp_expression expr
616 | None ->
617 (* was raise Impossible, but have no idea why because
618 nameless bit fields are accepted by the parser and
619 nothing seems to be done to give them names *)
620 pr_elem iidot;
621 pp_expression expr
622 )); (* iter other vars *)
623
624 | [] -> raise (Impossible 108)
625 ); (* onefield_multivars *)
626 assert (List.length iiptvirg =|= 1);
627 iiptvirg +> List.iter pr_elem;
628
629
630 | MacroDeclField ((s, es), ii) ->
631 let (iis, lp, rp, iiend, ifakestart) =
632 Common.tuple_of_list5 ii in
633 (* iis::lp::rp::iiend::ifakestart::iisto
634 iisto +> List.iter pr_elem; (* static and const *)
635 *)
636 pr_elem ifakestart;
637 pr_elem iis;
638 pr_elem lp;
639 es +> List.iter (fun (e, opt) ->
640 assert (List.length opt <= 1);
641 opt +> List.iter pr_elem;
642 pp_argument e;
643 );
644
645 pr_elem rp;
646 pr_elem iiend;
647
648
649
650 | EmptyField iipttvirg_when_emptyfield ->
651 pr_elem iipttvirg_when_emptyfield
652
653 | CppDirectiveStruct cpp -> pp_directive cpp
654 | IfdefStruct ifdef -> pp_ifdef ifdef
655
656 (* used because of DeclList, in int i,*j[23]; we dont print anymore the
657 int before *j *)
658 and (pp_type_with_ident_rest: (string * info) option ->
659 fullType -> attribute list -> unit) =
660
661 fun ident (((qu, iiqu), (ty, iity)) as fullt) attrs ->
662
663 let print_ident ident = Common.do_option (fun (s, iis) ->
664 (* XXX attrs +> pp_attributes pr_elem pr_space; *)
665 pr_elem iis
666 ) ident
667 in
668
669 match ty, iity with
670 (* the work is to do in base_type !! *)
671 | (NoType, iis) -> ()
672 | (BaseType _, iis) -> print_ident ident
673 | (Enum (sopt, enumt), iis) -> print_ident ident
674 | (StructUnion (_, sopt, fields),iis) -> print_ident ident
675 | (StructUnionName (s, structunion), iis) -> print_ident ident
676 | (EnumName s, iis) -> print_ident ident
677 | (TypeName (_name,_typ), iis) -> print_ident ident
678 | (TypeOfExpr (e), iis) -> print_ident ident
679 | (TypeOfType (e), iis) -> print_ident ident
680
681
682
683 | (Pointer t, [i]) ->
684 (* subtil: void ( *done)(int i) is a Pointer
685 (FunctionType (return=void, params=int i) *)
686 (*WRONG I THINK, use left & right function *)
687 (* bug: pp_type_with_ident_rest None t; print_ident ident *)
688 pr_elem i;
689 iiqu +> List.iter pr_elem; (* le const est forcement apres le '*' *)
690 pp_type_with_ident_rest ident t attrs;
691
692 (* ugly special case ... todo? maybe sufficient in practice *)
693 | (ParenType ttop, [i1;i2]) ->
694 (match Ast_c.get_ty_and_ii ttop with
695 | (_q1, (Pointer t2, [ipointer])) ->
696 (match Ast_c.get_ty_and_ii t2 with
697 | (q2, (FunctionType t, ii3)) ->
698
699 pp_type_left (q2, mk_tybis (FunctionType t) ii3);
700 pr_elem i1;
701 pr_elem ipointer;
702 print_ident ident;
703 pr_elem i2;
704 pp_type_right (q2, mk_tybis (FunctionType t) ii3);
705 | _ ->
706 pr2 "PB PARENTYPE ZARB, I forget about the ()";
707 pp_type_with_ident_rest ident ttop attrs;
708 )
709 (* another ugly special case *)
710 | _q1, (Array (eopt,t2 ), [iarray1;iarray2]) ->
711 (match Ast_c.get_ty_and_ii t2 with
712 | (_q2, (Pointer t3, [ipointer])) ->
713 (match Ast_c.get_ty_and_ii t3 with
714 | (q3, (FunctionType t, iifunc)) ->
715
716 pp_type_left (q3, mk_tybis (FunctionType t) iifunc);
717 pr_elem i1;
718 pr_elem ipointer;
719 print_ident ident;
720 pr_elem iarray1;
721 do_option pp_expression eopt;
722 pr_elem iarray2;
723 pr_elem i2;
724 pp_type_right (q3, mk_tybis (FunctionType t) iifunc)
725 | _ ->
726 pr2 "PB PARENTYPE ZARB, I forget about the ()";
727 pp_type_with_ident_rest ident ttop attrs;
728 )
729 | _ ->
730 pr2 "PB PARENTYPE ZARB, I forget about the ()";
731 pp_type_with_ident_rest ident ttop attrs;
732 )
733 | _t ->
734
735 pr2 "PB PARENTYPE ZARB, I forget about the ()";
736 pp_type_with_ident_rest ident ttop attrs;
737 )
738
739
740 | (Array (eopt, t), [i1;i2]) ->
741 pp_type_left fullt;
742
743 iiqu +> List.iter pr_elem;
744 print_ident ident;
745
746 pp_type_right fullt;
747
748
749 | (FunctionType (returnt, paramst), [i1;i2]) ->
750 pp_type_left fullt;
751
752 iiqu +> List.iter pr_elem;
753 print_ident ident;
754
755 pp_type_right fullt;
756
757
758 | (FunctionType _ | Array _ | ParenType _ | Pointer _), _ ->
759 raise (Impossible 109)
760
761
762 and (pp_type_left: fullType -> unit) =
763 fun ((qu, iiqu), (ty, iity)) ->
764 match ty, iity with
765 (NoType,_) -> failwith "pp_type_left: unexpected NoType"
766 | (Pointer t, [i]) ->
767 pr_elem i;
768 iiqu +> List.iter pr_elem; (* le const est forcement apres le '*' *)
769 pp_type_left t
770
771 | (Array (eopt, t), [i1;i2]) -> pp_type_left t
772 | (FunctionType (returnt, paramst), [i1;i2]) -> pp_type_left returnt
773
774 | (ParenType t, _) -> failwith "parenType"
775
776
777 | (BaseType _, iis) -> ()
778 | (Enum (sopt, enumt), iis) -> ()
779 | (StructUnion (_, sopt, fields),iis) -> ()
780 | (StructUnionName (s, structunion), iis) -> ()
781 | (EnumName s, iis) -> ()
782 | (TypeName (_name,_typ), iis) -> ()
783
784 | TypeOfType _, _ -> ()
785 | TypeOfExpr _, _ -> ()
786
787 | (FunctionType _ | Array _ | Pointer _), _ -> raise (Impossible 110)
788
789
790 and pp_param param =
791 let {p_namei = nameopt;
792 p_register = (b,iib);
793 p_type=t;} = param in
794
795 iib +> List.iter pr_elem;
796
797 match nameopt with
798 | None ->
799 pp_type t
800 | Some name ->
801 let (s,i1) = get_s_and_info_of_name name in
802 pp_type_with_ident
803 (Some (s, i1)) None t Ast_c.noattr
804
805
806
807
808 and pp_type_right (((qu, iiqu), (ty, iity)) : fullType) =
809 match ty, iity with
810 (NoType,_) -> failwith "pp_type_right: unexpected NoType"
811 | (Pointer t, [i]) -> pp_type_right t
812
813 | (Array (eopt, t), [i1;i2]) ->
814 pr_elem i1;
815 eopt +> do_option pp_expression;
816 pr_elem i2;
817 pp_type_right t
818
819 | (ParenType t, _) -> failwith "parenType"
820 | (FunctionType (returnt, paramst), [i1;i2]) ->
821 pr_elem i1;
822 (match paramst with
823 | (ts, (b, iib)) ->
824 ts +> List.iter (fun (param,iicomma) ->
825 assert ((List.length iicomma) <= 1);
826 iicomma +> List.iter (function x -> pr_elem x; pr_space());
827
828 pp_param param;
829 );
830 iib +> List.iter pr_elem;
831 );
832 pr_elem i2
833
834 | (BaseType _, iis) -> ()
835 | (Enum (sopt, enumt), iis) -> ()
836 | (StructUnion (_, sopt, fields),iis)-> ()
837 | (StructUnionName (s, structunion), iis) -> ()
838 | (EnumName s, iis) -> ()
839 | (TypeName (name,_typ), iis) -> ()
840
841 | TypeOfType _, _ -> ()
842 | TypeOfExpr _, _ -> ()
843
844 | (FunctionType _ | Array _ | Pointer _), _ -> raise (Impossible 111)
845
846 and pp_type t =
847 pp_type_with_ident None None t Ast_c.noattr
848
849 (* ---------------------- *)
850 and pp_decl = function
851 | DeclList ((({v_namei = var;
852 v_type = returnType;
853 v_storage = storage;
854 v_attr = attrs;
855 },[])::xs),
856 iivirg::ifakestart::iisto) ->
857
858 pr_elem ifakestart;
859
860 (* old: iisto +> List.iter pr_elem; *)
861
862
863 (* handling the first var. Special case, we print the whole type *)
864 (match var with
865 | Some (name, iniopt) ->
866 let (s,iis) = get_s_and_info_of_name name in
867 pp_type_with_ident
868 (Some (s, iis)) (Some (storage, iisto))
869 returnType attrs;
870 (match iniopt with
871 Ast_c.NoInit -> ()
872 | Ast_c.ValInit(iini,init) -> pr_elem iini; pp_init init
873 | Ast_c.ConstrInit((init,[lp;rp])) ->
874 pr_elem lp; pp_arg_list init; pr_elem rp
875 | Ast_c.ConstrInit _ -> raise (Impossible 112))
876 | None -> pp_type returnType
877 );
878
879 (* for other vars, we just call pp_type_with_ident_rest. *)
880 xs +> List.iter (function
881 | ({v_namei = Some (name, iniopt);
882 v_type = returnType;
883 v_storage = storage2;
884 v_attr = attrs;
885 }, iivirg) ->
886
887 let (s,iis) = get_s_and_info_of_name name in
888 assert (storage2 =*= storage);
889 iivirg +> List.iter pr_elem;
890 pp_type_with_ident_rest
891 (Some (s, iis)) returnType attrs;
892 (match iniopt with
893 Ast_c.NoInit -> ()
894 | Ast_c.ValInit(iini,init) -> pr_elem iini; pp_init init
895 | Ast_c.ConstrInit((init,[lp;rp])) ->
896 pr_elem lp; pp_arg_list init; pr_elem rp
897 | Ast_c.ConstrInit _ -> raise (Impossible 113));
898
899
900 | x -> raise (Impossible 114)
901 );
902
903 pr_elem iivirg;
904
905 | MacroDecl ((s, es, true), iis::lp::rp::iiend::ifakestart::iisto) ->
906 pr_elem ifakestart;
907 iisto +> List.iter pr_elem; (* static and const *)
908 pr_elem iis;
909 pr_elem lp;
910 es +> List.iter (fun (e, opt) ->
911 assert (List.length opt <= 1);
912 opt +> List.iter pr_elem;
913 pp_argument e;
914 );
915
916 pr_elem rp;
917 pr_elem iiend;
918
919 | MacroDecl ((s, es, false), iis::lp::rp::ifakestart::iisto) ->
920 pr_elem ifakestart;
921 iisto +> List.iter pr_elem; (* static and const *)
922 pr_elem iis;
923 pr_elem lp;
924 es +> List.iter (fun (e, opt) ->
925 assert (List.length opt <= 1);
926 opt +> List.iter pr_elem;
927 pp_argument e;
928 );
929
930 pr_elem rp;
931
932 | MacroDeclInit
933 ((s, es, ini), iis::lp::rp::eq::iiend::ifakestart::iisto) ->
934 pr_elem ifakestart;
935 iisto +> List.iter pr_elem; (* static and const *)
936 pr_elem iis;
937 pr_elem lp;
938 es +> List.iter (fun (e, opt) ->
939 assert (List.length opt <= 1);
940 opt +> List.iter pr_elem;
941 pp_argument e;
942 );
943
944 pr_elem rp;
945 pr_elem eq;
946 pp_init ini;
947 pr_elem iiend;
948
949 | (DeclList (_, _) | (MacroDecl _) | (MacroDeclInit _)) ->
950 raise (Impossible 115)
951
952 (* ---------------------- *)
953 and pp_init (init, iinit) =
954 match init, iinit with
955 | InitExpr e, [] -> pp_expression e;
956 | InitList xs, i1::i2::iicommaopt ->
957 pr_elem i1; start_block();
958 xs +> List.iter (fun (x, ii) ->
959 assert (List.length ii <= 1);
960 ii +> List.iter (function e -> pr_elem e; pr_nl());
961 pp_init x
962 );
963 iicommaopt +> List.iter pr_elem;
964 end_block();
965 pr_elem i2;
966
967 | InitDesignators (xs, initialiser), [i1] -> (* : *)
968 xs +> List.iter pp_designator;
969 pr_elem i1;
970 pp_init initialiser
971
972 (* no use of '=' in the "Old" style *)
973 | InitFieldOld (string, initialiser), [i1;i2] -> (* label: in oldgcc *)
974 pr_elem i1; pr_elem i2; pp_init initialiser
975 | InitIndexOld (expression, initialiser), [i1;i2] -> (* [1] in oldgcc *)
976 pr_elem i1; pp_expression expression; pr_elem i2;
977 pp_init initialiser
978
979 | (InitIndexOld _ | InitFieldOld _ | InitDesignators _
980 | InitList _ | InitExpr _
981 ), _ -> raise (Impossible 116)
982
983 and pp_init_list ini = pp_list pp_init ini
984
985 and pp_designator = function
986 | DesignatorField (s), [i1; i2] ->
987 pr_elem i1; pr_elem i2;
988 | DesignatorIndex (expression), [i1;i2] ->
989 pr_elem i1; pp_expression expression; pr_elem i2;
990
991 | DesignatorRange (e1, e2), [iocro;iellipsis;iccro] ->
992 pr_elem iocro; pp_expression e1; pr_elem iellipsis;
993 pp_expression e2; pr_elem iccro;
994
995 | (DesignatorField _ | DesignatorIndex _ | DesignatorRange _
996 ), _ -> raise (Impossible 117)
997
998
999 (* ---------------------- *)
1000 and pp_attributes pr_elem pr_space attrs =
1001 attrs +> List.iter (fun (attr, ii) ->
1002 ii +> List.iter pr_elem;
1003 );
1004
1005 (* ---------------------- *)
1006 and pp_def def =
1007 let defbis, ii = def in
1008 match ii with
1009 | iifunc1::iifunc2::i1::i2::ifakestart::isto ->
1010 let {f_name = name;
1011 f_type = (returnt, (paramst, (b, iib)));
1012 f_storage = sto;
1013 f_body = statxs;
1014 f_attr = attrs;
1015 } = defbis
1016 in
1017 pr_elem ifakestart;
1018
1019 pp_type_with_ident None (Some (sto, isto))
1020 returnt Ast_c.noattr;
1021
1022 pp_attributes pr_elem pr_space attrs;
1023 pr_space();
1024 pp_name name;
1025
1026 pr_elem iifunc1;
1027
1028 (* not anymore, cf tests/optional_name_parameter and
1029 macro_parameter_shortcut.c
1030 (match paramst with
1031 | [(((bool, None, t), ii_b_s), iicomma)] ->
1032 assert
1033 (match t with
1034 | qu, (BaseType Void, ii) -> true
1035 | _ -> true
1036 );
1037 assert (null iicomma);
1038 assert (null ii_b_s);
1039 pp_type_with_ident None None t
1040
1041 | paramst ->
1042 paramst +> List.iter (fun (((bool, s, t), ii_b_s), iicomma) ->
1043 iicomma +> List.iter pr_elem;
1044
1045 (match b, s, ii_b_s with
1046 | false, Some s, [i1] ->
1047 pp_type_with_ident (Some (s, i1)) None t;
1048 | true, Some s, [i1;i2] ->
1049 pr_elem i1;
1050 pp_type_with_ident (Some (s, i2)) None t;
1051
1052 (* in definition we have name for params, except when f(void) *)
1053 | _, None, _ -> raise Impossible
1054 | false, None, [] ->
1055
1056 | _ -> raise Impossible
1057 )));
1058
1059 (* normally ii represent the ",..." but it is also abused
1060 with the f(void) case *)
1061 (* assert (List.length iib <= 2);*)
1062 iib +> List.iter pr_elem;
1063
1064 *)
1065 pp_param_list paramst;
1066 iib +> List.iter pr_elem;
1067
1068
1069 pr_elem iifunc2; pr_space();
1070 pr_elem i1;
1071 statxs +> List.iter pp_statement_seq;
1072 pr_elem i2;
1073 | _ -> raise (Impossible 118)
1074
1075 and pp_param_list paramst = pp_list pp_param paramst
1076
1077 (* ---------------------- *)
1078
1079 and pp_ifdef ifdef =
1080 match ifdef with
1081 | IfdefDirective (ifdef, ii) ->
1082 List.iter pr_elem ii
1083
1084
1085 and pp_directive = function
1086 | Include {i_include = (s, ii);} ->
1087 let (i1,i2) = Common.tuple_of_list2 ii in
1088 pr_elem i1; pr_space(); pr_elem i2
1089 | Define ((s,ii), (defkind, defval)) ->
1090 let (idefine,iident,ieol) = Common.tuple_of_list3 ii in
1091 pr_elem idefine;
1092 pr_elem iident;
1093
1094 let define_val = function
1095 | DefineExpr e -> pp_expression e
1096 | DefineStmt st -> pp_statement st
1097 | DefineDoWhileZero ((st,e), ii) ->
1098 (match ii with
1099 | [ido;iwhile;iopar;icpar] ->
1100 pr_elem ido;
1101 pp_statement st;
1102 pr_elem iwhile; pr_elem iopar;
1103 pp_expression e;
1104 pr_elem icpar
1105 | _ -> raise (Impossible 119)
1106 )
1107 | DefineFunction def -> pp_def def
1108
1109 | DefineType ty -> pp_type ty
1110 | DefineText (s, ii) -> List.iter pr_elem ii
1111 | DefineEmpty -> ()
1112 | DefineInit ini -> pp_init ini
1113 | DefineMulti ss ->
1114 ss +> List.iter pp_statement
1115 | DefineTodo -> pr2 "DefineTodo"
1116 in
1117 (match defkind with
1118 | DefineVar | Undef -> ()
1119 | DefineFunc (params, ii) ->
1120 let (i1,i2) = tuple_of_list2 ii in
1121 pr_elem i1;
1122 params +> List.iter (fun ((s,iis), iicomma) ->
1123 assert (List.length iicomma <= 1);
1124 iicomma +> List.iter pr_elem;
1125 iis +> List.iter pr_elem;
1126 );
1127 pr_elem i2;
1128 );
1129 define_val defval;
1130 pr_elem ieol
1131
1132 | PragmaAndCo (ii) ->
1133 List.iter pr_elem ii in
1134
1135
1136
1137
1138 let rec pp_toplevel = function
1139 | Declaration decl -> pp_decl decl
1140 | Definition def -> pp_def def
1141
1142 | CppTop directive -> pp_directive directive
1143
1144
1145 | MacroTop (s, es, [i1;i2;i3;i4]) ->
1146 pr_elem i1;
1147 pr_elem i2;
1148 es +> List.iter (fun (e, opt) ->
1149 assert (List.length opt <= 1);
1150 opt +> List.iter pr_elem;
1151 pp_argument e;
1152 );
1153 pr_elem i3;
1154 pr_elem i4;
1155
1156
1157 | EmptyDef ii -> ii +> List.iter pr_elem
1158 | NotParsedCorrectly ii ->
1159 assert (List.length ii >= 1);
1160 ii +> List.iter pr_elem
1161 | FinalDef info -> pr_elem (Ast_c.rewrap_str "" info)
1162
1163 | IfdefTop ifdefdir -> pp_ifdef ifdefdir
1164
1165 | Namespace (tls, [i1; i2; i3; i4]) ->
1166 pr_elem i1; pr_elem i2; pr_elem i3;
1167 List.iter pp_toplevel tls;
1168 pr_elem i4;
1169 | (MacroTop _) | (Namespace _) -> raise (Impossible 120) in
1170
1171
1172
1173
1174 let pp_flow n =
1175 match F.unwrap n with
1176 | F.FunHeader ({f_name =idb;
1177 f_type = (rett, (paramst,(isvaargs,iidotsb)));
1178 f_storage = stob;
1179 f_body = body;
1180 f_attr = attrs},ii) ->
1181
1182 assert(null body);
1183 (*
1184 iif ii;
1185 iif iidotsb;
1186 attrs +> List.iter (vk_attribute bigf);
1187 vk_type bigf rett;
1188 paramst +> List.iter (fun (param, iicomma) ->
1189 vk_param bigf param;
1190 iif iicomma;
1191 );
1192 *)
1193 pr2 "Def";
1194
1195
1196 | F.Decl decl ->
1197 (* vk_decl bigf decl *)
1198 pr2 "Decl"
1199
1200 | F.ExprStatement (st, (eopt, ii)) ->
1201 pp_statement (Ast_c.mk_st (ExprStatement eopt) ii)
1202
1203 | F.IfHeader (_, (e,ii))
1204 | F.SwitchHeader (_, (e,ii))
1205 | F.WhileHeader (_, (e,ii))
1206 | F.DoWhileTail (e,ii) ->
1207 (*
1208 iif ii;
1209 vk_expr bigf e
1210 *)
1211 pr2 "XXX";
1212
1213
1214 | F.ForHeader (_st, ((first, (e2opt,i2), (e3opt,i3)), ii)) ->
1215 (*
1216 iif i1; iif i2; iif i3;
1217 iif ii;
1218 e1opt +> do_option (vk_expr bigf);
1219 e2opt +> do_option (vk_expr bigf);
1220 e3opt +> do_option (vk_expr bigf);
1221 *)
1222 pr2 "XXX"
1223
1224 | F.MacroIterHeader (_s, ((s,es), ii)) ->
1225 (*
1226 iif ii;
1227 vk_argument_list bigf es;
1228 *)
1229 pr2 "XXX"
1230
1231
1232 | F.ReturnExpr (_st, (e,ii)) ->
1233 (* iif ii; vk_expr bigf e*)
1234 pr2 "XXX"
1235
1236
1237 | F.Case (_st, (e,ii)) ->
1238 (* iif ii; vk_expr bigf e *)
1239 pr2 "XXX"
1240
1241 | F.CaseRange (_st, ((e1, e2),ii)) ->
1242 (* iif ii; vk_expr bigf e1; vk_expr bigf e2 *)
1243 pr2 "XXX"
1244
1245
1246
1247 | F.CaseNode i -> ()
1248
1249 | F.DefineExpr e ->
1250 (* vk_expr bigf e *)
1251 pr2 "XXX"
1252
1253 | F.DefineType ft ->
1254 (* vk_type bigf ft *)
1255 pr2 "XXX"
1256
1257 | F.DefineHeader ((s,ii), (defkind)) ->
1258 (*
1259 iif ii;
1260 vk_define_kind bigf defkind;
1261 *)
1262 pr2 "XXX"
1263
1264
1265 | F.DefineDoWhileZeroHeader (((),ii)) ->
1266 (* iif ii *)
1267 pr2 "XXX"
1268
1269
1270 | F.Include {i_include = (s, ii);} ->
1271 (* iif ii; *)
1272 pr2 "XXX"
1273
1274
1275 | F.MacroTop (s, args, ii) ->
1276 (* iif ii;
1277 vk_argument_list bigf args *)
1278 pr2 "XXX"
1279
1280
1281 | F.Break (st,((),ii)) ->
1282 (* iif ii *)
1283 pr2 "XXX"
1284 | F.Continue (st,((),ii)) ->
1285 (* iif ii *)
1286 pr2 "XXX"
1287 | F.Default (st,((),ii)) ->
1288 (* iif ii *)
1289 pr2 "XXX"
1290 | F.Return (st,((),ii)) ->
1291 (* iif ii *)
1292 pr2 "XXX"
1293 | F.Goto (st, name, ((),ii)) ->
1294 (* iif ii *)
1295 pr2 "XXX"
1296 | F.Label (st, name, ((),ii)) ->
1297 (* iif ii *)
1298 pr2 "XXX"
1299 | F.EndStatement iopt ->
1300 (* do_option infof iopt *)
1301 pr2 "XXX"
1302 | F.DoHeader (st, info) ->
1303 (* infof info *)
1304 pr2 "XXX"
1305 | F.Else info ->
1306 (* infof info *)
1307 pr2 "XXX"
1308 | F.SeqEnd (i, info) ->
1309 (* infof info *)
1310 pr2 "XXX"
1311 | F.SeqStart (st, i, info) ->
1312 (* infof info *)
1313 pr2 "XXX"
1314
1315 | F.MacroStmt (st, ((),ii)) ->
1316 (* iif ii *)
1317 pr2 "XXX"
1318 | F.Asm (st, (asmbody,ii)) ->
1319 (*
1320 iif ii;
1321 vk_asmbody bigf asmbody
1322 *)
1323 pr2 "XXX"
1324
1325
1326 | F.IfdefHeader (info) ->
1327 pp_ifdef info
1328 | F.IfdefElse (info) ->
1329 pp_ifdef info
1330 | F.IfdefEndif (info) ->
1331 pp_ifdef info
1332
1333 | F.DefineTodo ->
1334 pr2 "XXX"
1335
1336
1337 | (F.TopNode|F.EndNode|
1338 F.ErrorExit|F.Exit|F.Enter|F.LoopFallThroughNode|F.FallThroughNode|
1339 F.AfterNode|F.FalseNode|F.TrueNode|F.InLoopNode|
1340 F.Fake) ->
1341 pr2 "YYY" in
1342
1343
1344 { expression = pp_expression;
1345 arg_list = pp_arg_list;
1346 arg = pp_argument;
1347 statement = pp_statement;
1348 decl = pp_decl;
1349 field = pp_field;
1350 field_list = pp_field_list;
1351 init = pp_init;
1352 init_list = pp_init_list;
1353 param = pp_param;
1354 paramlist = pp_param_list;
1355 ty = pp_type;
1356 type_with_ident = pp_type_with_ident;
1357 toplevel = pp_toplevel;
1358 flow = pp_flow;
1359 }
1360
1361 (*****************************************************************************)
1362
1363 (* Here we do not use (mcode, env). It is a simple C pretty printer. *)
1364 let pr_elem info =
1365 let s = Ast_c.str_of_info info in
1366 if !Flag_parsing_c.pretty_print_comment_info then begin
1367 let before = !(info.comments_tag).mbefore in
1368 if not (null before) then begin
1369 pp "-->";
1370 before +> List.iter (fun (comment_like, pinfo) ->
1371 let s = pinfo.Common.str in
1372 pp s
1373 );
1374 pp "<--";
1375 end;
1376 end;
1377 pp s
1378
1379 let pr_space _ = Format.print_space()
1380
1381 let pr_nl _ = ()
1382 let pr_indent _ = ()
1383 let pr_outdent _ = ()
1384 let pr_unindent _ = ()
1385
1386
1387 let ppc =
1388 mk_pretty_printers
1389 ~pr_elem ~pr_space ~pr_nl ~pr_outdent ~pr_indent ~pr_unindent
1390
1391 let pp_expression_simple = ppc.expression
1392 let pp_decl_simple = ppc.decl
1393 let pp_field_simple = ppc.field
1394 let pp_statement_simple = ppc.statement
1395 let pp_type_simple = ppc.ty
1396 let pp_init_simple = ppc.init
1397 let pp_toplevel_simple = ppc.toplevel
1398 let pp_flow_simple = ppc.flow
1399
1400
1401 let pp_elem_sp ~pr_elem ~pr_space =
1402 mk_pretty_printers
1403 ~pr_elem ~pr_space
1404 ~pr_nl ~pr_outdent ~pr_indent ~pr_unindent
1405
1406 let pp_expression_gen ~pr_elem ~pr_space =
1407 (pp_elem_sp pr_elem pr_space).expression
1408
1409 let pp_arg_list_gen ~pr_elem ~pr_space =
1410 (pp_elem_sp pr_elem pr_space).arg_list
1411
1412 let pp_arg_gen ~pr_elem ~pr_space =
1413 (pp_elem_sp pr_elem pr_space).arg
1414
1415 let pp_statement_gen ~pr_elem ~pr_space =
1416 (pp_elem_sp pr_elem pr_space).statement
1417
1418 let pp_decl_gen ~pr_elem ~pr_space =
1419 (pp_elem_sp pr_elem pr_space).decl
1420
1421 let pp_field_gen ~pr_elem ~pr_space =
1422 (pp_elem_sp pr_elem pr_space).field
1423
1424 let pp_field_list_gen ~pr_elem ~pr_space =
1425 (pp_elem_sp pr_elem pr_space).field_list
1426
1427 let pp_init_gen ~pr_elem ~pr_space =
1428 (pp_elem_sp pr_elem pr_space).init
1429
1430 let pp_init_list_gen ~pr_elem ~pr_space =
1431 (pp_elem_sp pr_elem pr_space).init_list
1432
1433 let pp_param_gen ~pr_elem ~pr_space =
1434 (pp_elem_sp pr_elem pr_space).param
1435
1436 let pp_param_list_gen ~pr_elem ~pr_space =
1437 (pp_elem_sp pr_elem pr_space).paramlist
1438
1439 let pp_type_gen ~pr_elem ~pr_space =
1440 (pp_elem_sp pr_elem pr_space).ty
1441
1442 let pp_type_with_ident_gen pr_elem pr_space =
1443 (pp_elem_sp pr_elem pr_space).type_with_ident
1444
1445 let pp_program_gen ~pr_elem ~pr_space =
1446 (pp_elem_sp pr_elem pr_space).toplevel
1447
1448
1449 let string_of_expression e =
1450 Common.format_to_string (fun () ->
1451 pp_expression_simple e
1452 )
1453
1454 let string_of_toplevel top =
1455 Common.format_to_string (fun () ->
1456 pp_toplevel_simple top
1457 )
1458
1459 let (debug_info_of_node:
1460 Ograph_extended.nodei -> Control_flow_c.cflow -> string) =
1461 fun nodei flow ->
1462 let node = flow#nodes#assoc nodei in
1463 let s = Common.format_to_string (fun () ->
1464 pp_flow_simple node
1465 ) in
1466 let pos = Lib_parsing_c.min_pinfo_of_node node in
1467 (spf "%s(n%d)--> %s" (Common.string_of_parse_info_bis pos) nodei s)
1468
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