Release coccinelle-0.1.6
[bpt/coccinelle.git] / parsing_cocci / .#unparse_ast0.ml.1.118
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1(*
2* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
3* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller
4* This file is part of Coccinelle.
5*
6* Coccinelle is free software: you can redistribute it and/or modify
7* it under the terms of the GNU General Public License as published by
8* the Free Software Foundation, according to version 2 of the License.
9*
10* Coccinelle 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* GNU General Public License for more details.
14*
15* You should have received a copy of the GNU General Public License
16* along with Coccinelle. If not, see <http://www.gnu.org/licenses/>.
17*
18* The authors reserve the right to distribute this or future versions of
19* Coccinelle under other licenses.
20*)
21
22
23open Format
24module Ast0 = Ast0_cocci
25module U = Pretty_print_cocci
26
27let quiet = ref true (* true = no decoration on - context, etc *)
28
29let start_block str =
30 force_newline(); print_string " "; open_box 0
31
32let end_block str =
33 close_box(); force_newline ()
34
35let print_option = Common.do_option
36let print_between = Common.print_between
37
38(* --------------------------------------------------------------------- *)
39(* Positions *)
40
41let meta_pos = function
42 Ast0.MetaPos(name,_,_) ->
43 print_string "@";
44 let (_,name) = Ast0.unwrap_mcode name in
45 print_string name
46 | Ast0.NoMetaPos -> ()
47
48(* --------------------------------------------------------------------- *)
49(* Modified code *)
50
51let mcodekind brackets fn x info = function
52 Ast0.MINUS(plus_stream) ->
53 let (lb,rb) =
54 if !quiet
55 then ("","")
56 else
57 match brackets with
58 Some x -> ("[","]^"^(string_of_int x))
59 | None -> ("","") in
60 let (plus_stream,_) = !plus_stream in
61 if !quiet
62 then fn x
63 else (print_string "-";
64 print_string lb; fn x; print_string rb);
65 U.print_anything ">>> " plus_stream
66 | Ast0.CONTEXT(plus_streams) ->
67 let (lb,rb) =
68 if !quiet
69 then ("","")
70 else
71 match brackets with
72 Some x -> ("[",("]^"^(string_of_int x))) | None -> ("","") in
73 let (plus_streams,t1,t2) = !plus_streams in
74 U.print_around
75 (function x ->
76 print_string lb; fn x; print_string rb)
77 x plus_streams
78 | Ast0.PLUS ->
79 List.iter (function s -> print_string s; force_newline())
80 info.Ast0.strings_before;
81 fn x;
82 List.iter (function s -> force_newline(); print_string s)
83 info.Ast0.strings_after
84 | Ast0.MIXED(plus_streams) ->
85 let (lb,rb) =
86 if !quiet
87 then ("","")
88 else
89 let n =
90 match brackets with Some x -> "^"^(string_of_int x) | None -> "" in
91 ("§","½"^n) in
92 let (plus_streams,_,_) = !plus_streams in
93 U.print_around (function x -> print_string lb; fn x; print_string rb)
94 x plus_streams
95
96let mcode fn (x,_,info,mc,pos) =
97 let fn x = fn x; meta_pos !pos in
98 mcodekind (Some info.Ast0.line_start)(*None*) fn x info mc
99
100let print_context x fn =
101 mcodekind (Some (Ast0.get_line x)) fn () (Ast0.get_info x)
102 (Ast0.get_mcodekind x)
103
104let print_meta (_,name) = print_string name
105
106(* --------------------------------------------------------------------- *)
107(* --------------------------------------------------------------------- *)
108(* Dots *)
109
110let dots between fn d =
111 print_context d
112 (function _ ->
113 match Ast0.unwrap d with
114 Ast0.DOTS(l) -> print_between between fn l
115 | Ast0.CIRCLES(l) -> print_between between fn l
116 | Ast0.STARS(l) -> print_between between fn l)
117
118(* --------------------------------------------------------------------- *)
119
120let print_types = function
121 None -> ()
122 | Some ty ->
123 print_string "/* ";
124 Format.print_flush();
125 print_between (function _ -> print_string ", ") Type_cocci.typeC ty;
126 Format.print_flush();
127 print_string " */"
128
129(* --------------------------------------------------------------------- *)
130(* Identifier *)
131
132let rec ident i =
133 print_context i
134 (function _ ->
135 match Ast0.unwrap i with
136 Ast0.Id(name) -> mcode print_string name
137 | Ast0.MetaId(name,_,_) -> mcode print_meta name
138 | Ast0.MetaFunc(name,_,_) -> mcode print_meta name
139 | Ast0.MetaLocalFunc(name,_,_) -> mcode print_meta name
140 | Ast0.OptIdent(id) -> print_string "?"; ident id
141 | Ast0.UniqueIdent(id) -> print_string "!"; ident id)
142
143(* --------------------------------------------------------------------- *)
144(* Expression *)
145
146let print_string_box s = print_string s; open_box 0
147
148let rec expression e =
149 print_option Type_cocci.typeC (Ast0.get_type e);
150 print_context e
151 (function _ ->
152 match Ast0.unwrap e with
153 Ast0.Ident(id) -> ident id
154 | Ast0.Constant(const) -> mcode U.constant const
155 | Ast0.FunCall(fn,lp,args,rp) ->
156 expression fn; mcode print_string_box lp;
157 let _ = dots (function _ -> ()) expression args in
158 close_box(); mcode print_string rp
159 | Ast0.Assignment(left,op,right,_) ->
160 expression left; print_string " "; mcode U.assignOp op;
161 print_string " "; expression right
162 | Ast0.CondExpr(exp1,why,exp2,colon,exp3) ->
163 expression exp1; print_string " "; mcode print_string why;
164 print_option (function e -> print_string " "; expression e) exp2;
165 print_string " "; mcode print_string colon; expression exp3
166 | Ast0.Postfix(exp,op) -> expression exp; mcode U.fixOp op
167 | Ast0.Infix(exp,op) -> mcode U.fixOp op; expression exp
168 | Ast0.Unary(exp,op) -> mcode U.unaryOp op; expression exp
169 | Ast0.Binary(left,op,right) ->
170 print_string "(";
171 expression left; print_string " "; mcode U.binaryOp op;
172 print_string " "; expression right;
173 print_string ")"
174 | Ast0.Nested(left,op,right) ->
175 print_string "(";
176 expression left; print_string " "; mcode U.binaryOp op;
177 print_string " "; expression right;
178 print_string ")"
179 | Ast0.Paren(lp,exp,rp) ->
180 mcode print_string_box lp; expression exp; close_box();
181 mcode print_string rp
182 | Ast0.ArrayAccess(exp1,lb,exp2,rb) ->
183 expression exp1; mcode print_string_box lb; expression exp2;
184 close_box(); mcode print_string rb
185 | Ast0.RecordAccess(exp,pt,field) ->
186 expression exp; mcode print_string pt; ident field
187 | Ast0.RecordPtAccess(exp,ar,field) ->
188 expression exp; mcode print_string ar; ident field
189 | Ast0.Cast(lp,ty,rp,exp) ->
190 mcode print_string_box lp; typeC ty; close_box();
191 mcode print_string rp; expression exp
192 | Ast0.SizeOfExpr(szf,exp) ->
193 mcode print_string szf; expression exp
194 | Ast0.SizeOfType(szf,lp,ty,rp) ->
195 mcode print_string szf;
196 mcode print_string_box lp; typeC ty; close_box();
197 mcode print_string rp
198 | Ast0.TypeExp(ty) -> typeC ty
199 | Ast0.MetaErr(name,_,_) -> mcode print_meta name
200 | Ast0.MetaExpr(name,_,ty,_,pure) ->
201 mcode print_meta name; print_types ty(*;
202 print_string "^";
203 (match pure with
204 Ast0.Pure -> print_string "pure"
205 | Ast0.Impure -> print_string "impure"
206 | Ast0.Context -> print_string "context"
207 | Ast0.PureContext -> print_string "pure_context")*)
208 | Ast0.MetaExprList(name,_,_) -> mcode print_meta name
209 | Ast0.EComma(cm) -> mcode print_string cm; print_space()
210 | Ast0.DisjExpr(_,exp_list,_,_) ->
211 print_string "\n("; force_newline();
212 print_between
213 (function _ -> print_string "\n|"; force_newline())
214 expression exp_list;
215 print_string "\n)"
216 | Ast0.NestExpr(starter,expr_dots,ender,None,multi) ->
217 mcode print_string starter;
218 start_block(); dots force_newline expression expr_dots; end_block();
219 mcode print_string ender
220 | Ast0.NestExpr(starter,expr_dots,ender,Some whencode,multi) ->
221 mcode print_string starter; print_string " WHEN != ";
222 expression whencode;
223 start_block(); dots force_newline expression expr_dots; end_block();
224 mcode print_string ender
225 | Ast0.Edots(dots,Some whencode)
226 | Ast0.Ecircles(dots,Some whencode)
227 | Ast0.Estars(dots,Some whencode) ->
228 mcode print_string dots; print_string " WHEN != ";
229 expression whencode
230 | Ast0.Edots(dots,None)
231 | Ast0.Ecircles(dots,None)
232 | Ast0.Estars(dots,None) -> mcode print_string dots
233 | Ast0.OptExp(exp) -> print_string "?"; expression exp
234 | Ast0.UniqueExp(exp) -> print_string "!"; expression exp)
235
236and expression_dots x = dots (function _ -> ()) expression x
237
238(* --------------------------------------------------------------------- *)
239(* Types *)
240
241and print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2) fn =
242 typeC ty; mcode print_string lp1; mcode print_string star; fn();
243 mcode print_string rp1; mcode print_string lp2;
244 parameter_list params; mcode print_string rp2
245
246and print_function_type (ty,lp1,params,rp1) fn =
247 print_option typeC ty; fn(); mcode print_string lp1;
248 parameter_list params; mcode print_string rp1
249
250and typeC t =
251 print_context t
252 (function _ ->
253 match Ast0.unwrap t with
254 Ast0.ConstVol(cv,ty) ->
255 mcode U.const_vol cv; print_string " "; typeC ty
256 | Ast0.BaseType(ty,strings) ->
257 List.iter (function s -> mcode print_string s; print_string " ")
258 strings
259 | Ast0.Signed(sgn,ty) -> mcode U.sign sgn; print_option typeC ty
260 | Ast0.Pointer(ty,star) -> typeC ty; mcode print_string star
261 | Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) ->
262 print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2)
263 (function _ -> ())
264 | Ast0.FunctionType(ty,lp1,params,rp1) ->
265 print_function_type (ty,lp1,params,rp1) (function _ -> ())
266 | Ast0.Array(ty,lb,size,rb) ->
267 typeC ty; mcode print_string lb; print_option expression size;
268 mcode print_string rb
269 | Ast0.EnumName(kind,name) -> mcode print_string kind; print_string " ";
270 ident name
271 | Ast0.StructUnionName(kind,name) ->
272 mcode U.structUnion kind;
273 print_option (function x -> ident x; print_string " ") name
274 | Ast0.StructUnionDef(ty,lb,decls,rb) ->
275 typeC ty; mcode print_string lb;
276 dots force_newline declaration decls;
277 mcode print_string rb
278 | Ast0.TypeName(name)-> mcode print_string name; print_string " "
279 | Ast0.MetaType(name,_)-> mcode print_meta name; print_string " "
280 | Ast0.DisjType(lp,types,mids,rp) ->
281 print_string "\n"; mcode print_string lp; force_newline();
282 print_between
283 (function _ -> print_string "\n|"; force_newline())
284 typeC types;
285 print_string "\n"; mcode print_string rp
286 | Ast0.OptType(ty) -> print_string "?"; typeC ty
287 | Ast0.UniqueType(ty) -> print_string "!"; typeC ty)
288
289(* --------------------------------------------------------------------- *)
290(* Variable declaration *)
291(* Even if the Cocci program specifies a list of declarations, they are
292 split out into multiple declarations of a single variable each. *)
293
294and print_named_type ty id =
295 match Ast0.unwrap ty with
296 Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) ->
297 print_function_pointer (ty,lp1,star,rp1,lp2,params,rp2)
298 (function _ -> print_string " "; ident id)
299 | Ast0.FunctionType(ty,lp1,params,rp1) ->
300 print_function_type (ty,lp1,params,rp1)
301 (function _ -> print_string " "; ident id)
302 | Ast0.Array(ty,lb,size,rb) ->
303 let rec loop ty k =
304 match Ast0.unwrap ty with
305 Ast0.Array(ty,lb,size,rb) ->
306 loop ty
307 (function _ ->
308 k ();
309 mcode print_string lb;
310 print_option expression size;
311 mcode print_string rb)
312 | _ -> typeC ty; ident id; k () in
313 loop ty (function _ -> ())
314 | _ -> typeC ty; ident id
315
316and declaration d =
317 print_context d
318 (function _ ->
319 match Ast0.unwrap d with
320 Ast0.Init(stg,ty,id,eq,ini,sem) ->
321 print_option (mcode U.storage) stg;
322 print_named_type ty id;
323 print_string " ";
324 mcode print_string eq; print_string " "; initialiser ini;
325 mcode print_string sem
326 | Ast0.UnInit(stg,ty,id,sem) ->
327 print_option (mcode U.storage) stg; print_named_type ty id;
328 mcode print_string sem
329 | Ast0.MacroDecl(name,lp,args,rp,sem) ->
330 ident name; mcode print_string_box lp;
331 let _ = dots (function _ -> ()) expression args in
332 close_box(); mcode print_string rp; mcode print_string sem
333 | Ast0.TyDecl(ty,sem) -> typeC ty; mcode print_string sem
334 | Ast0.Typedef(stg,ty,id,sem) ->
335 mcode print_string stg; typeC ty; typeC id;
336 mcode print_string sem
337 | Ast0.DisjDecl(_,decls,_,_) ->
338 print_string "\n("; force_newline();
339 print_between
340 (function _ -> print_string "\n|"; force_newline())
341 declaration decls;
342 print_string "\n)"
343 | Ast0.Ddots(dots,Some whencode) ->
344 mcode print_string dots; print_string " when != ";
345 declaration whencode
346 | Ast0.Ddots(dots,None) -> mcode print_string dots
347 | Ast0.OptDecl(decl) -> print_string "?"; declaration decl
348 | Ast0.UniqueDecl(decl) -> print_string "!"; declaration decl)
349
350and declaration_dots l = dots (function _ -> ()) declaration l
351
352(* --------------------------------------------------------------------- *)
353(* Initialiser *)
354
355and initialiser i =
356 print_context i
357 (function _ ->
358 match Ast0.unwrap i with
359 Ast0.MetaInit(name,_)-> mcode print_meta name; print_string " "
360 | Ast0.InitExpr(exp) -> expression exp
361 | Ast0.InitList(lb,initlist,rb) ->
362 mcode print_string lb; open_box 0;
363 let _ = dots (function _ -> ()) initialiser initlist in
364 close_box(); mcode print_string rb
365 | Ast0.InitGccExt(designators,eq,ini) ->
366 List.iter designator designators; print_string " ";
367 mcode print_string eq; print_string " "; initialiser ini
368 | Ast0.InitGccName(name,eq,ini) ->
369 ident name; mcode print_string eq; initialiser ini
370 | Ast0.IComma(cm) -> mcode print_string cm; force_newline()
371 | Ast0.Idots(d,Some whencode) ->
372 mcode print_string d; print_string " WHEN != ";
373 initialiser whencode
374 | Ast0.Idots(d,None) -> mcode print_string d
375 | Ast0.OptIni(ini) -> print_string "?"; initialiser ini
376 | Ast0.UniqueIni(ini) -> print_string "!"; initialiser ini)
377
378and designator = function
379 Ast0.DesignatorField(dot,id) -> mcode print_string dot; ident id
380 | Ast0.DesignatorIndex(lb,exp,rb) ->
381 mcode print_string lb; expression exp; mcode print_string rb
382 | Ast0.DesignatorRange(lb,min,dots,max,rb) ->
383 mcode print_string lb; expression min; mcode print_string dots;
384 expression max; mcode print_string rb
385
386and initialiser_list l = dots (function _ -> ()) initialiser l
387
388(* --------------------------------------------------------------------- *)
389(* Parameter *)
390
391and parameterTypeDef p =
392 print_context p
393 (function _ ->
394 match Ast0.unwrap p with
395 Ast0.VoidParam(ty) -> typeC ty
396 | Ast0.Param(ty,Some id) -> print_named_type ty id
397 | Ast0.Param(ty,None) -> typeC ty
398 | Ast0.MetaParam(name,_) -> mcode print_meta name
399 | Ast0.MetaParamList(name,_,_) -> mcode print_meta name
400 | Ast0.PComma(cm) -> mcode print_string cm; print_space()
401 | Ast0.Pdots(dots) -> mcode print_string dots
402 | Ast0.Pcircles(dots) -> mcode print_string dots
403 | Ast0.OptParam(param) -> print_string "?"; parameterTypeDef param
404 | Ast0.UniqueParam(param) -> print_string "!"; parameterTypeDef param)
405
406and parameter_list l = dots (function _ -> ()) parameterTypeDef l
407
408(* --------------------------------------------------------------------- *)
409(* Top-level code *)
410
411and statement arity s =
412 print_context s
413 (function _ ->
414 match Ast0.unwrap s with
415 Ast0.FunDecl(_,fninfo,name,lp,params,rp,lbrace,body,rbrace) ->
416 print_string arity;
417 List.iter print_fninfo fninfo;
418 ident name; mcode print_string_box lp;
419 parameter_list params; close_box(); mcode print_string rp;
420 print_string " ";
421 print_string arity; mcode print_string lbrace; start_block();
422 dots force_newline (statement arity) body;
423 end_block(); print_string arity; mcode print_string rbrace
424 | Ast0.Decl(_,decl) -> print_string arity; declaration decl
425 | Ast0.Seq(lbrace,body,rbrace) ->
426 print_string arity; mcode print_string lbrace; start_block();
427 dots force_newline (statement arity) body;
428 end_block(); print_string arity; mcode print_string rbrace
429 | Ast0.ExprStatement(exp,sem) ->
430 print_string arity; expression exp; mcode print_string sem
431 | Ast0.IfThen(iff,lp,exp,rp,branch1,(info,aft)) ->
432 print_string arity;
433 mcode print_string iff; print_string " "; mcode print_string_box lp;
434 expression exp; close_box(); mcode print_string rp; print_string " ";
435 statement arity branch1;
436 mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos)
437 | Ast0.IfThenElse(iff,lp,exp,rp,branch1,els,branch2,(info,aft)) ->
438 print_string arity;
439 mcode print_string iff; print_string " "; mcode print_string_box lp;
440 expression exp; close_box(); mcode print_string rp; print_string " ";
441 statement arity branch1;
442 print_string arity; mcode print_string els; print_string " ";
443 statement arity branch2;
444 mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos)
445 | Ast0.While(whl,lp,exp,rp,body,(info,aft)) ->
446 print_string arity;
447 mcode print_string whl; print_string " "; mcode print_string_box lp;
448 expression exp; close_box(); mcode print_string rp; print_string " ";
449 statement arity body;
450 mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos)
451 | Ast0.Do(d,body,whl,lp,exp,rp,sem) ->
452 print_string arity; mcode print_string d; print_string " ";
453 statement arity body;
454 print_string arity;
455 mcode print_string whl; print_string " "; mcode print_string_box lp;
456 expression exp; close_box(); mcode print_string rp;
457 mcode print_string sem
458 | Ast0.For(fr,lp,e1,sem1,e2,sem2,e3,rp,body,(info,aft)) ->
459 print_string arity;
460 mcode print_string fr; mcode print_string_box lp;
461 print_option expression e1; mcode print_string sem1;
462 print_option expression e2; mcode print_string sem2;
463 print_option expression e3; close_box();
464 mcode print_string rp; print_string " "; statement arity body;
465 mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos)
466 | Ast0.Iterator(nm,lp,args,rp,body,(info,aft)) ->
467 print_string arity;
468 ident nm; print_string " "; mcode print_string_box lp;
469 let _ = dots (function _ -> ()) expression args in
470 close_box(); mcode print_string rp; print_string " ";
471 statement arity body;
472 mcode (function _ -> ()) ((),(),info,aft,ref Ast0.NoMetaPos)
473 | Ast0.Switch(switch,lp,exp,rp,lb,cases,rb) ->
474 print_string arity;
475 mcode print_string switch; print_string " ";
476 mcode print_string_box lp; expression exp; close_box();
477 mcode print_string rp; print_string " "; mcode print_string lb;
478 dots force_newline (case_line arity) cases;
479 mcode print_string rb
480 | Ast0.Break(br,sem) ->
481 print_string arity; mcode print_string br; mcode print_string sem
482 | Ast0.Continue(cont,sem) ->
483 print_string arity; mcode print_string cont; mcode print_string sem
484 | Ast0.Label(l,dd) -> ident l; print_string ":"
485 | Ast0.Goto(goto,l,sem) ->
486 mcode print_string goto; ident l; mcode print_string sem
487 | Ast0.Return(ret,sem) ->
488 print_string arity; mcode print_string ret; mcode print_string sem
489 | Ast0.ReturnExpr(ret,exp,sem) ->
490 print_string arity; mcode print_string ret; print_string " ";
491 expression exp; mcode print_string sem
492 | Ast0.MetaStmt(name,pure) ->
493 print_string arity; mcode print_meta name;(*
494 print_string "^";
495 (match pure with
496 Ast0.Pure -> print_string "pure"
497 | Ast0.Impure -> print_string "impure"
498 | Ast0.Context -> print_string "context"
499 | Ast0.PureContext -> print_string "pure_context")*)
500 | Ast0.MetaStmtList(name,_) ->
501 print_string arity; mcode print_meta name
502 | Ast0.Disj(_,statement_dots_list,_,_) ->
503 print_string arity;
504 print_string "\n("; force_newline();
505 print_between
506 (function _ -> print_string "\n|"; force_newline())
507 (dots force_newline (statement arity))
508 statement_dots_list;
509 print_string "\n)"
510 | Ast0.Nest(starter,stmt_dots,ender,whn,multi) ->
511 print_string arity;
512 mcode print_string starter;
513 open_box 0;
514 List.iter
515 (whencode (dots force_newline (statement "")) (statement ""))
516 whn;
517 close_box();
518 start_block();
519 dots force_newline (statement arity) stmt_dots;
520 end_block();
521 mcode print_string ender
522 | Ast0.Exp(exp) -> print_string arity; expression exp
523 | Ast0.TopExp(exp) -> print_string arity; expression exp
524 | Ast0.Ty(ty) -> print_string arity; typeC ty
525 | Ast0.TopInit(init) -> initialiser init
526 | Ast0.Dots(d,whn) | Ast0.Circles(d,whn) | Ast0.Stars(d,whn) ->
527 print_string arity; mcode print_string d;
528 List.iter
529 (whencode (dots force_newline (statement "")) (statement ""))
530 whn
531 | Ast0.Include(inc,s) ->
532 mcode print_string inc; print_string " "; mcode U.inc_file s
533 | Ast0.Define(def,id,params,body) ->
534 mcode print_string def; print_string " "; ident id;
535 print_define_parameters params;
536 print_string " ";
537 dots force_newline (statement arity) body
538 | Ast0.OptStm(re) -> statement "?" re
539 | Ast0.UniqueStm(re) -> statement "!" re)
540
541and print_define_parameters params =
542 match Ast0.unwrap params with
543 Ast0.NoParams -> ()
544 | Ast0.DParams(lp,params,rp) ->
545 mcode print_string lp;
546 dots (function _ -> ()) print_define_param params; mcode print_string rp
547
548and print_define_param param =
549 match Ast0.unwrap param with
550 Ast0.DParam(id) -> ident id
551 | Ast0.DPComma(comma) -> mcode print_string comma
552 | Ast0.DPdots(dots) -> mcode print_string dots
553 | Ast0.DPcircles(circles) -> mcode print_string circles
554 | Ast0.OptDParam(dp) -> print_string "?"; print_define_param dp
555 | Ast0.UniqueDParam(dp) -> print_string "!"; print_define_param dp
556
557and print_fninfo = function
558 Ast0.FStorage(stg) -> mcode U.storage stg
559 | Ast0.FType(ty) -> typeC ty
560 | Ast0.FInline(inline) -> mcode print_string inline
561 | Ast0.FAttr(attr) -> mcode print_string attr
562
563and whencode notfn alwaysfn = function
564 Ast0.WhenNot a ->
565 print_string " WHEN != "; open_box 0; notfn a; close_box()
566 | Ast0.WhenAlways a ->
567 print_string " WHEN = "; open_box 0; alwaysfn a; close_box()
568 | Ast0.WhenModifier x -> print_string " WHEN "; U.print_when_modif x
569 | Ast0.WhenNotTrue a ->
570 print_string " WHEN != TRUE "; open_box 0; expression a; close_box()
571 | Ast0.WhenNotFalse a ->
572 print_string " WHEN != FALSE "; open_box 0; expression a; close_box()
573
574and case_line arity c =
575 print_context c
576 (function _ ->
577 match Ast0.unwrap c with
578 Ast0.Default(def,colon,code) ->
579 print_string arity;
580 mcode print_string def; mcode print_string colon; print_string " ";
581 dots force_newline (statement arity) code
582 | Ast0.Case(case,exp,colon,code) ->
583 print_string arity;
584 mcode print_string case; print_string " "; expression exp;
585 mcode print_string colon; print_string " ";
586 dots force_newline (statement arity) code
587 | Ast0.OptCase(case) -> case_line "?" case)
588
589and statement_dots l = dots (function _ -> ()) (statement "") l
590and case_dots l = dots (function _ -> ()) (case_line "") l
591
592(* --------------------------------------------------------------------- *)
593(* Top level code *)
594
595let top_level t =
596 print_context t
597 (function _ ->
598 match Ast0.unwrap t with
599 Ast0.FILEINFO(old_file,new_file) ->
600 print_string "--- "; mcode print_string old_file; force_newline();
601 print_string "+++ "; mcode print_string new_file
602 | Ast0.DECL(stmt) -> statement "" stmt
603 | Ast0.CODE(stmt_dots) ->
604 dots force_newline (statement "") stmt_dots
605 | Ast0.ERRORWORDS(exps) ->
606 print_string "error words = [";
607 print_between (function _ -> print_string ", ") expression exps;
608 print_string "]"
609 | Ast0.OTHER(s) ->
610 print_string "OTHER("; statement "" s; print_string ")")
611
612let rule =
613 print_between (function _ -> force_newline(); force_newline()) top_level
614
615let unparse_anything x =
616 let q = !quiet in
617 quiet := true;
618 (match x with
619 Ast0.DotsExprTag(d) ->
620 print_string "ExpDots:"; force_newline();
621 expression_dots d
622 | Ast0.DotsParamTag(d) ->
623 parameter_list d
624 | Ast0.DotsInitTag(d) ->
625 initialiser_list d
626 | Ast0.DotsStmtTag(d) ->
627 print_string "StmDots:"; force_newline();
628 statement_dots d
629 | Ast0.DotsDeclTag(d) ->
630 declaration_dots d
631 | Ast0.DotsCaseTag(d) ->
632 case_dots d
633 | Ast0.IdentTag(d) ->
634 ident d
635 | Ast0.ExprTag(d) | Ast0.ArgExprTag(d) | Ast0.TestExprTag(d) ->
636 print_string "Exp:"; force_newline();
637 expression d
638 | Ast0.TypeCTag(d) ->
639 typeC d
640 | Ast0.ParamTag(d) ->
641 parameterTypeDef d
642 | Ast0.InitTag(d) ->
643 initialiser d
644 | Ast0.DeclTag(d) ->
645 declaration d
646 | Ast0.StmtTag(d) ->
647 print_string "Stm:"; force_newline();
648 statement "" d
649 | Ast0.CaseLineTag(d) ->
650 case_line "" d
651 | Ast0.TopTag(d) ->
652 top_level d
653 | Ast0.IsoWhenTag(x) -> U.print_when_modif x
654 | Ast0.IsoWhenTTag(e) -> expression e
655 | Ast0.IsoWhenFTag(e) -> expression e
656 | Ast0.MetaPosTag(var) -> meta_pos var);
657 quiet := q;
658 print_newline()
659
660let unparse x =
661 print_string "\n@@\n@@";
662 force_newline();
663 force_newline();
664 rule x;
665 print_newline()
666
667let unparse_to_string x = Common.format_to_string (function _ -> unparse x)