2 * Copyright 2012, INRIA
3 * Julia Lawall, Gilles Muller
4 * Copyright 2010-2011, INRIA, University of Copenhagen
5 * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
6 * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
7 * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
8 * This file is part of Coccinelle.
10 * Coccinelle is free software: you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, according to version 2 of the License.
14 * Coccinelle is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>.
22 * The authors reserve the right to distribute this or future versions of
23 * Coccinelle under other licenses.
28 module Ast
= Ast_cocci
29 module Ast0
= Ast0_cocci
30 module U
= Pretty_print_cocci
32 let quiet = ref true (* true = no decoration on - context, etc *)
34 let full_ids = ref false (* true = print rule name as well *)
37 force_newline
(); print_string
" "; open_box
0
40 close_box
(); force_newline
()
42 let print_option = Common.do_option
43 let print_between = Common.print_between
45 (* --------------------------------------------------------------------- *)
51 let current_name = Ast0.meta_pos_name var
in
52 let (_
,name
) = Ast0.unwrap_mcode
current_name in
55 meta_pos (Ast0.get_pos
current_name))
58 (* --------------------------------------------------------------------- *)
61 let mcodekind brackets fn x info mc
=
63 Ast.Noindent s
| Ast.Indent s
| Ast.Space s
-> print_string s
in
64 List.iter
(function (s
,_
) -> print s
) info
.Ast0.strings_before
;
66 Ast0.MINUS
(plus_stream
) ->
72 Some x
-> ("[","]^"^
(string_of_int x
))
74 let (plus_stream
,_
) = !plus_stream
in
77 else (print_string
"-";
78 print_string lb
; fn x
; print_string rb
);
79 (match plus_stream
with
80 Ast.NOREPLACEMENT
-> ()
81 | Ast.REPLACEMENT
(plus_stream
,_
) -> U.print_anything
">>> " plus_stream
)
82 | Ast0.CONTEXT
(plus_streams
) ->
88 Some x
-> ("[",("]^"^
(string_of_int x
))) | None
-> ("","") in
89 let (plus_streams
,t1
,t2
) = !plus_streams
in
92 print_string lb
; fn x
; print_string rb
)
94 | Ast0.PLUS _
-> print_int
(info
.Ast0.pos_info
.Ast0.column
); fn x
95 | Ast0.MIXED
(plus_streams
) ->
101 match brackets
with Some x
-> "^"^
(string_of_int x
) | None
-> "" in
103 let (plus_streams
,_
,_
) = !plus_streams
in
104 U.print_around
(function x
-> print_string lb
; fn x
; print_string rb
)
106 List.iter
(function (s
,_
) -> print s
) info
.Ast0.strings_after
108 let mcode fn
(x
,_
,info
,mc
,pos
,adj
) =
109 let fn x
= fn x
; meta_pos !pos
in
110 mcodekind (Some info
.Ast0.pos_info
.Ast0.line_start
)(*None*) fn x info mc
112 let print_context x
fn =
113 mcodekind (Some
(Ast0.get_line x
)) fn () (Ast0.get_info x
)
114 (Ast0.get_mcodekind x
)
116 let print_meta (ctx
,name
) =
118 then (print_string ctx
; print_string
":"));
121 (* --------------------------------------------------------------------- *)
122 (* --------------------------------------------------------------------- *)
125 let dots between
fn d
=
128 match Ast0.unwrap d
with
129 Ast0.DOTS
(l
) -> print_between between
fn l
130 | Ast0.CIRCLES
(l
) -> print_between between
fn l
131 | Ast0.STARS
(l
) -> print_between between
fn l
)
133 (* --------------------------------------------------------------------- *)
136 let do_disj lst processor
=
137 print_string
"\n("; force_newline
();
138 print_between (function _
-> print_string
"\n|"; force_newline
())
142 (* --------------------------------------------------------------------- *)
144 let print_types = function
148 Format.print_flush
();
149 print_between (function _
-> print_string
", ") Type_cocci.typeC ty
;
150 Format.print_flush
();
153 (* --------------------------------------------------------------------- *)
159 match Ast0.unwrap i
with
160 Ast0.Id
(name
) -> mcode print_string name
161 | Ast0.MetaId
(name
,_
,_
,_
) -> mcode print_meta name
162 | Ast0.MetaFunc
(name
,_
,_
) -> mcode print_meta name
163 | Ast0.MetaLocalFunc
(name
,_
,_
) -> mcode print_meta name
164 | Ast0.DisjId
(_
,id_list
,_
,_
) -> do_disj id_list
ident
165 | Ast0.OptIdent
(id
) -> print_string
"?"; ident id
166 | Ast0.UniqueIdent
(id
) -> print_string
"!"; ident id
)
168 (* --------------------------------------------------------------------- *)
171 let print_string_box s
= print_string s
; open_box
0
173 let rec expression e
=
174 print_option Type_cocci.typeC
(Ast0.get_type e
);
177 match Ast0.unwrap e
with
178 Ast0.Ident
(id
) -> ident id
179 | Ast0.Constant
(const
) -> mcode U.constant const
180 | Ast0.FunCall
(fn,lp
,args
,rp
) ->
181 expression fn; mcode print_string_box lp
;
182 let _ = dots (function _ -> ()) expression args
in
183 close_box
(); mcode print_string rp
184 | Ast0.Assignment
(left
,op
,right
,_) ->
185 expression left
; print_string
" "; mcode U.assignOp op
;
186 print_string
" "; expression right
187 | Ast0.Sequence
(left
,op
,right
) ->
188 expression left
; mcode print_string op
;
189 print_string
" "; expression right
190 | Ast0.CondExpr
(exp1
,why
,exp2
,colon
,exp3
) ->
191 expression exp1
; print_string
" "; mcode print_string why
;
192 print_option (function e
-> print_string
" "; expression e
) exp2
;
193 print_string
" "; mcode print_string colon
; expression exp3
194 | Ast0.Postfix
(exp
,op
) -> expression exp
; mcode U.fixOp op
195 | Ast0.Infix
(exp
,op
) -> mcode U.fixOp op
; expression exp
196 | Ast0.Unary
(exp
,op
) -> mcode U.unaryOp op
; expression exp
197 | Ast0.Binary
(left
,op
,right
) ->
199 expression left
; print_string
" "; mcode U.binaryOp op
;
200 print_string
" "; expression right
;
202 | Ast0.Nested
(left
,op
,right
) ->
204 expression left
; print_string
" "; mcode U.binaryOp op
;
205 print_string
" "; expression right
;
207 | Ast0.Paren
(lp
,exp
,rp
) ->
208 mcode print_string_box lp
; expression exp
; close_box
();
209 mcode print_string rp
210 | Ast0.ArrayAccess
(exp1
,lb
,exp2
,rb
) ->
211 expression exp1
; mcode print_string_box lb
; expression exp2
;
212 close_box
(); mcode print_string rb
213 | Ast0.RecordAccess
(exp
,pt
,field
) ->
214 expression exp
; mcode print_string pt
; ident field
215 | Ast0.RecordPtAccess
(exp
,ar
,field
) ->
216 expression exp
; mcode print_string ar
; ident field
217 | Ast0.Cast
(lp
,ty
,rp
,exp
) ->
218 mcode print_string_box lp
; typeC ty
; close_box
();
219 mcode print_string rp
; expression exp
220 | Ast0.SizeOfExpr
(szf
,exp
) ->
221 mcode print_string szf
; expression exp
222 | Ast0.SizeOfType
(szf
,lp
,ty
,rp
) ->
223 mcode print_string szf
;
224 mcode print_string_box lp
; typeC ty
; close_box
();
225 mcode print_string rp
226 | Ast0.TypeExp
(ty
) -> typeC ty
227 | Ast0.Constructor
(lp
,ty
,rp
,init
) ->
228 mcode print_string_box lp
; typeC ty
; close_box
();
229 mcode print_string rp
; initialiser init
230 | Ast0.MetaErr
(name
,_,_) -> mcode print_meta name
231 | Ast0.MetaExpr
(name
,_,ty
,_,pure
) ->
232 mcode print_meta name
; print_types ty
(*;
235 Ast0.Pure -> print_string "pure"
236 | Ast0.Impure -> print_string "impure"
237 | Ast0.Context -> print_string "context"
238 | Ast0.PureContext -> print_string "pure_context")*)
239 | Ast0.MetaExprList
(name
,_,_) -> mcode print_meta name
240 | Ast0.EComma
(cm
) -> mcode print_string cm
; print_space
()
241 | Ast0.DisjExpr
(_,exp_list
,_,_) -> do_disj exp_list
expression
242 | Ast0.NestExpr
(starter
,expr_dots
,ender
,None
,multi
) ->
243 mcode print_string starter
;
244 start_block(); dots force_newline
expression expr_dots
; end_block();
245 mcode print_string ender
246 | Ast0.NestExpr
(starter
,expr_dots
,ender
,Some whencode
,multi
) ->
247 mcode print_string starter
; print_string
" WHEN != ";
249 start_block(); dots force_newline
expression expr_dots
; end_block();
250 mcode print_string ender
251 | Ast0.Edots
(dots,Some whencode
)
252 | Ast0.Ecircles
(dots,Some whencode
)
253 | Ast0.Estars
(dots,Some whencode
) ->
254 mcode print_string
dots; print_string
" WHEN != ";
256 | Ast0.Edots
(dots,None
)
257 | Ast0.Ecircles
(dots,None
)
258 | Ast0.Estars
(dots,None
) -> mcode print_string
dots
259 | Ast0.OptExp
(exp
) -> print_string
"?"; expression exp
260 | Ast0.UniqueExp
(exp
) -> print_string
"!"; expression exp
261 | Ast0.AsExpr
(exp
,asexp
) -> expression exp
; print_string
"@";
264 and expression_dots x
= dots (function _ -> ()) expression x
266 (* --------------------------------------------------------------------- *)
269 and print_function_pointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
) fn =
270 typeC ty
; mcode print_string lp1
; mcode print_string star
; fn();
271 mcode print_string rp1
; mcode print_string lp2
;
272 parameter_list params
; mcode print_string rp2
274 and print_function_type
(ty
,lp1
,params
,rp1
) fn =
275 print_option typeC ty
; fn(); mcode print_string lp1
;
276 parameter_list params
; mcode print_string rp1
281 match Ast0.unwrap t
with
282 Ast0.ConstVol
(cv
,ty
) ->
283 mcode U.const_vol cv
; print_string
" "; typeC ty
284 | Ast0.BaseType
(ty
,strings
) ->
285 List.iter
(function s
-> mcode print_string s
; print_string
" ")
287 | Ast0.Signed
(sgn
,ty
) -> mcode U.sign sgn
; print_option typeC ty
288 | Ast0.Pointer
(ty
,star
) -> typeC ty
; mcode print_string star
289 | Ast0.FunctionPointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
) ->
290 print_function_pointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
)
292 | Ast0.FunctionType
(ty
,lp1
,params
,rp1
) ->
293 print_function_type
(ty
,lp1
,params
,rp1
) (function _ -> ())
294 | Ast0.Array
(ty
,lb
,size
,rb
) ->
295 typeC ty
; mcode print_string lb
; print_option expression size
;
296 mcode print_string rb
297 | Ast0.EnumName
(kind
,name
) ->
298 mcode print_string kind
;
299 print_option (function x
-> ident x
; print_string
" ") name
300 | Ast0.EnumDef
(ty
,lb
,ids
,rb
) ->
301 typeC ty
; mcode print_string lb
;
302 dots force_newline
expression ids
;
303 mcode print_string rb
304 | Ast0.StructUnionName
(kind
,name
) ->
305 mcode U.structUnion kind
;
306 print_option (function x
-> ident x
; print_string
" ") name
307 | Ast0.StructUnionDef
(ty
,lb
,decls
,rb
) ->
308 typeC ty
; mcode print_string lb
;
309 dots force_newline declaration decls
;
310 mcode print_string rb
311 | Ast0.TypeName
(name
)-> mcode print_string name
; print_string
" "
312 | Ast0.MetaType
(name
,_)-> mcode print_meta name
; print_string
" "
313 | Ast0.DisjType
(_,types
,_,_) -> do_disj types typeC
314 | Ast0.OptType
(ty
) -> print_string
"?"; typeC ty
315 | Ast0.UniqueType
(ty
) -> print_string
"!"; typeC ty
316 | Ast0.AsType
(ty
,asty
) -> typeC ty
; print_string
"@"; typeC asty
)
318 (* --------------------------------------------------------------------- *)
319 (* Variable declaration *)
320 (* Even if the Cocci program specifies a list of declarations, they are
321 split out into multiple declarations of a single variable each. *)
323 and print_named_type ty id
=
324 match Ast0.unwrap ty
with
325 Ast0.FunctionPointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
) ->
326 print_function_pointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
)
327 (function _ -> print_string
" "; ident id
)
328 | Ast0.FunctionType
(ty
,lp1
,params
,rp1
) ->
329 print_function_type
(ty
,lp1
,params
,rp1
)
330 (function _ -> print_string
" "; ident id
)
331 | Ast0.Array
(ty
,lb
,size
,rb
) ->
333 match Ast0.unwrap ty
with
334 Ast0.Array
(ty
,lb
,size
,rb
) ->
338 mcode print_string lb
;
339 print_option expression size
;
340 mcode print_string rb
)
341 | _ -> typeC ty
; ident id
; k
() in
342 loop ty
(function _ -> ())
343 | _ -> typeC ty
; ident id
348 match Ast0.unwrap d
with
349 Ast0.MetaDecl
(name
,_) | Ast0.MetaField
(name
,_)
350 | Ast0.MetaFieldList
(name
,_,_) ->
351 mcode print_meta name
352 | Ast0.Init
(stg
,ty
,id
,eq
,ini
,sem
) ->
353 print_option (mcode U.storage
) stg
;
354 print_named_type ty id
;
356 mcode print_string eq
; print_string
" "; initialiser ini
;
357 mcode print_string sem
358 | Ast0.UnInit
(stg
,ty
,id
,sem
) ->
359 print_option (mcode U.storage
) stg
; print_named_type ty id
;
360 mcode print_string sem
361 | Ast0.MacroDecl
(name
,lp
,args
,rp
,sem
) ->
362 ident name
; mcode print_string_box lp
;
363 let _ = dots (function _ -> ()) expression args
in
364 close_box
(); mcode print_string rp
; mcode print_string sem
365 | Ast0.MacroDeclInit
(name
,lp
,args
,rp
,eq
,ini
,sem
) ->
366 ident name
; mcode print_string_box lp
;
367 let _ = dots (function _ -> ()) expression args
in
368 close_box
(); mcode print_string rp
;
370 mcode print_string eq
; print_string
" "; initialiser ini
;
371 mcode print_string sem
372 | Ast0.TyDecl
(ty
,sem
) -> typeC ty
; mcode print_string sem
373 | Ast0.Typedef
(stg
,ty
,id
,sem
) ->
374 mcode print_string stg
; typeC ty
; typeC id
;
375 mcode print_string sem
376 | Ast0.DisjDecl
(_,decls
,_,_) ->
377 print_string
"\n("; force_newline
();
379 (function _ -> print_string
"\n|"; force_newline
())
382 | Ast0.Ddots
(dots,Some whencode
) ->
383 mcode print_string
dots; print_string
" when != ";
385 | Ast0.Ddots
(dots,None
) -> mcode print_string
dots
386 | Ast0.OptDecl
(decl
) -> print_string
"?"; declaration decl
387 | Ast0.UniqueDecl
(decl
) -> print_string
"!"; declaration decl
388 | Ast0.AsDecl
(decl
,asdecl
) ->
389 declaration decl
; print_string
"@"; declaration asdecl
)
391 and declaration_dots l
= dots (function _ -> ()) declaration l
393 (* --------------------------------------------------------------------- *)
399 match Ast0.unwrap i
with
400 Ast0.MetaInit
(name
,_)-> mcode print_meta name
; print_string
" "
401 | Ast0.MetaInitList
(name
,_,_)-> mcode print_meta name
; print_string
" "
402 | Ast0.InitExpr
(exp
) -> expression exp
403 | Ast0.InitList
(lb
,initlist
,rb
,ordered
) ->
404 (*doesn't show commas dropped in unordered case*)
405 mcode print_string lb
; open_box
0;
406 let _ = dots (function _ -> ()) initialiser initlist
in
407 close_box
(); mcode print_string rb
408 | Ast0.InitGccExt
(designators
,eq
,ini
) ->
409 List.iter designator designators
; print_string
" ";
410 mcode print_string eq
; print_string
" "; initialiser ini
411 | Ast0.InitGccName
(name
,eq
,ini
) ->
412 ident name
; mcode print_string eq
; initialiser ini
413 | Ast0.IComma
(cm
) -> mcode print_string cm
; force_newline
()
414 | Ast0.Idots
(d
,Some whencode
) ->
415 mcode print_string d
; print_string
" WHEN != ";
417 | Ast0.Idots
(d
,None
) -> mcode print_string d
418 | Ast0.OptIni
(ini
) -> print_string
"?"; initialiser ini
419 | Ast0.UniqueIni
(ini
) -> print_string
"!"; initialiser ini
420 | Ast0.AsInit
(ini
,asini
) -> initialiser ini
; print_string
"@";
423 and designator
= function
424 Ast0.DesignatorField
(dot
,id
) -> mcode print_string dot
; ident id
425 | Ast0.DesignatorIndex
(lb
,exp
,rb
) ->
426 mcode print_string lb
; expression exp
; mcode print_string rb
427 | Ast0.DesignatorRange
(lb
,min
,dots,max
,rb
) ->
428 mcode print_string lb
; expression min
; mcode print_string
dots;
429 expression max
; mcode print_string rb
431 and initialiser_list l
= dots (function _ -> ()) initialiser l
433 (* --------------------------------------------------------------------- *)
436 and parameterTypeDef p
=
439 match Ast0.unwrap p
with
440 Ast0.VoidParam
(ty
) -> typeC ty
441 | Ast0.Param
(ty
,Some id
) -> print_named_type ty id
442 | Ast0.Param
(ty
,None
) -> typeC ty
443 | Ast0.MetaParam
(name
,_) -> mcode print_meta name
444 | Ast0.MetaParamList
(name
,_,_) -> mcode print_meta name
445 | Ast0.PComma
(cm
) -> mcode print_string cm
; print_space
()
446 | Ast0.Pdots
(dots) -> mcode print_string
dots
447 | Ast0.Pcircles
(dots) -> mcode print_string
dots
448 | Ast0.OptParam
(param
) -> print_string
"?"; parameterTypeDef param
449 | Ast0.UniqueParam
(param
) -> print_string
"!"; parameterTypeDef param
)
451 and parameter_list l
= dots (function _ -> ()) parameterTypeDef l
453 (* --------------------------------------------------------------------- *)
456 and statement arity s
=
459 match Ast0.unwrap s
with
460 Ast0.FunDecl
(_,fninfo
,name
,lp
,params
,rp
,lbrace
,body
,rbrace
) ->
462 List.iter print_fninfo fninfo
;
463 ident name
; mcode print_string_box lp
;
464 parameter_list params
; close_box
(); mcode print_string rp
;
466 print_string arity
; mcode print_string lbrace
; start_block();
467 dots force_newline
(statement arity
) body
;
468 end_block(); print_string arity
; mcode print_string rbrace
469 | Ast0.Decl
(_,decl
) ->
470 Printf.printf
"statement mcodekind %s\n"
471 (Dumper.dump
(Ast0.get_mcodekind s
));
472 Printf.printf
"decl mcodekind %s\n"
473 (Dumper.dump
(Ast0.get_mcodekind decl
));
474 print_string arity
; declaration decl
475 | Ast0.Seq
(lbrace
,body
,rbrace
) ->
476 print_string arity
; mcode print_string lbrace
; start_block();
477 dots force_newline
(statement arity
) body
;
478 end_block(); print_string arity
; mcode print_string rbrace
479 | Ast0.ExprStatement
(exp
,sem
) ->
480 print_string arity
; print_option expression exp
;
481 mcode print_string sem
482 | Ast0.IfThen
(iff
,lp
,exp
,rp
,branch1
,(info
,aft
)) ->
484 mcode print_string iff
; print_string
" "; mcode print_string_box lp
;
485 expression exp
; close_box
(); mcode print_string rp
; print_string
" ";
486 statement arity branch1
;
487 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
488 | Ast0.IfThenElse
(iff
,lp
,exp
,rp
,branch1
,els
,branch2
,(info
,aft
)) ->
490 mcode print_string iff
; print_string
" "; mcode print_string_box lp
;
491 expression exp
; close_box
(); mcode print_string rp
; print_string
" ";
492 statement arity branch1
;
493 print_string arity
; mcode print_string els
; print_string
" ";
494 statement arity branch2
;
495 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
496 | Ast0.While
(whl
,lp
,exp
,rp
,body
,(info
,aft
)) ->
498 mcode print_string whl
; print_string
" "; mcode print_string_box lp
;
499 expression exp
; close_box
(); mcode print_string rp
; print_string
" ";
500 statement arity body
;
501 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
502 | Ast0.Do
(d
,body
,whl
,lp
,exp
,rp
,sem
) ->
503 print_string arity
; mcode print_string d
; print_string
" ";
504 statement arity body
;
506 mcode print_string whl
; print_string
" "; mcode print_string_box lp
;
507 expression exp
; close_box
(); mcode print_string rp
;
508 mcode print_string sem
509 | Ast0.For
(fr
,lp
,e1
,sem1
,e2
,sem2
,e3
,rp
,body
,(info
,aft
)) ->
511 mcode print_string fr
; mcode print_string_box lp
;
512 print_option expression e1
; mcode print_string sem1
;
513 print_option expression e2
; mcode print_string sem2
;
514 print_option expression e3
; close_box
();
515 mcode print_string rp
; print_string
" "; statement arity body
;
516 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
517 | Ast0.Iterator
(nm
,lp
,args
,rp
,body
,(info
,aft
)) ->
519 ident nm
; print_string
" "; mcode print_string_box lp
;
520 let _ = dots (function _ -> ()) expression args
in
521 close_box
(); mcode print_string rp
; print_string
" ";
522 statement arity body
;
523 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
524 | Ast0.Switch
(switch
,lp
,exp
,rp
,lb
,decls
,cases
,rb
) ->
526 mcode print_string switch
; print_string
" ";
527 mcode print_string_box lp
; expression exp
; close_box
();
528 mcode print_string rp
; print_string
" "; mcode print_string lb
;
529 dots force_newline
(statement arity
) decls
;
530 dots force_newline
(case_line arity
) cases
;
531 mcode print_string rb
532 | Ast0.Break
(br
,sem
) ->
533 print_string arity
; mcode print_string br
; mcode print_string sem
534 | Ast0.Continue
(cont
,sem
) ->
535 print_string arity
; mcode print_string cont
; mcode print_string sem
536 | Ast0.Label
(l
,dd
) -> ident l
; print_string
":"
537 | Ast0.Goto
(goto
,l
,sem
) ->
538 mcode print_string goto
; ident l
; mcode print_string sem
539 | Ast0.Return
(ret
,sem
) ->
540 print_string arity
; mcode print_string ret
; mcode print_string sem
541 | Ast0.ReturnExpr
(ret
,exp
,sem
) ->
542 print_string arity
; mcode print_string ret
; print_string
" ";
543 expression exp
; mcode print_string sem
544 | Ast0.MetaStmt
(name
,pure
) ->
545 print_string arity
; mcode print_meta name
;(*
548 Ast0.Pure -> print_string "pure"
549 | Ast0.Impure -> print_string "impure"
550 | Ast0.Context -> print_string "context"
551 | Ast0.PureContext -> print_string "pure_context")*)
552 | Ast0.MetaStmtList
(name
,_) ->
553 print_string arity
; mcode print_meta name
554 | Ast0.Disj
(starter
,statement_dots_list
,_,ender
) ->
556 print_string
"\n"; mcode print_string starter
; force_newline
();
558 (function _ -> print_string
"\n|"; force_newline
())
559 (dots force_newline
(statement arity
))
561 print_string
"\n"; mcode print_string ender
562 | Ast0.Nest
(starter
,stmt_dots
,ender
,whn
,multi
) ->
564 mcode print_string starter
;
567 (whencode
(dots force_newline
(statement
"")) (statement
""))
571 dots force_newline
(statement arity
) stmt_dots
;
573 mcode print_string ender
574 | Ast0.Exp
(exp
) -> print_string arity
; expression exp
575 | Ast0.TopExp
(exp
) -> print_string arity
; expression exp
576 | Ast0.Ty
(ty
) -> print_string arity
; typeC ty
577 | Ast0.TopInit
(init
) -> initialiser init
578 | Ast0.Dots
(d
,whn
) | Ast0.Circles
(d
,whn
) | Ast0.Stars
(d
,whn
) ->
579 print_string arity
; mcode print_string d
;
581 (whencode
(dots force_newline
(statement
"")) (statement
""))
583 | Ast0.Include
(inc
,s
) ->
584 mcode print_string inc
; print_string
" "; mcode U.inc_file s
585 | Ast0.Undef
(def
,id
) ->
586 mcode print_string def
; print_string
" "; ident id
587 | Ast0.Define
(def
,id
,params
,body
) ->
588 mcode print_string def
; print_string
" "; ident id
;
589 print_define_parameters params
;
591 dots force_newline
(statement arity
) body
592 | Ast0.OptStm
(re
) -> statement
"?" re
593 | Ast0.UniqueStm
(re
) -> statement
"!" re
594 | Ast0.AsStmt
(stm
,asstm
) -> statement arity stm
; print_string
"@";
595 statement arity asstm
)
597 and print_define_parameters params
=
598 match Ast0.unwrap params
with
600 | Ast0.DParams
(lp
,params
,rp
) ->
601 mcode print_string lp
;
602 dots (function _ -> ()) print_define_param params
; mcode print_string rp
604 and print_define_param param
=
605 match Ast0.unwrap param
with
606 Ast0.DParam
(id
) -> ident id
607 | Ast0.DPComma
(comma
) -> mcode print_string comma
608 | Ast0.DPdots
(dots) -> mcode print_string
dots
609 | Ast0.DPcircles
(circles
) -> mcode print_string circles
610 | Ast0.OptDParam
(dp
) -> print_string
"?"; print_define_param dp
611 | Ast0.UniqueDParam
(dp
) -> print_string
"!"; print_define_param dp
613 and print_fninfo
= function
614 Ast0.FStorage
(stg
) -> mcode U.storage stg
615 | Ast0.FType
(ty
) -> typeC ty
616 | Ast0.FInline
(inline
) -> mcode print_string inline
617 | Ast0.FAttr
(attr
) -> mcode print_string attr
619 and whencode notfn alwaysfn
= function
621 print_string
" WHEN != "; open_box
0; notfn a
; close_box
()
622 | Ast0.WhenAlways a
->
623 print_string
" WHEN = "; open_box
0; alwaysfn a
; close_box
()
624 | Ast0.WhenModifier x
-> print_string
" WHEN "; U.print_when_modif x
625 | Ast0.WhenNotTrue a
->
626 print_string
" WHEN != TRUE "; open_box
0; expression a
; close_box
()
627 | Ast0.WhenNotFalse a
->
628 print_string
" WHEN != FALSE "; open_box
0; expression a
; close_box
()
630 and case_line arity c
=
633 match Ast0.unwrap c
with
634 Ast0.Default
(def
,colon
,code
) ->
636 mcode print_string def
; mcode print_string colon
; print_string
" ";
637 dots force_newline
(statement arity
) code
638 | Ast0.Case
(case
,exp
,colon
,code
) ->
640 mcode print_string case
; print_string
" "; expression exp
;
641 mcode print_string colon
; print_string
" ";
642 dots force_newline
(statement arity
) code
643 | Ast0.DisjCase
(starter
,case_lines
,mids
,ender
) ->
644 print_string
"\n("; force_newline
();
646 (function _ -> print_string
"\n|"; force_newline
())
647 (case_line arity
) case_lines
;
649 | Ast0.OptCase
(case
) -> case_line
"?" case
)
651 and statement_dots l
= dots (function _ -> ()) (statement
"") l
652 and case_dots l
= dots (function _ -> ()) (case_line
"") l
654 (* --------------------------------------------------------------------- *)
660 match Ast0.unwrap t
with
661 Ast0.FILEINFO
(old_file
,new_file
) ->
662 print_string
"--- "; mcode print_string old_file
; force_newline
();
663 print_string
"+++ "; mcode print_string new_file
664 | Ast0.NONDECL
(stmt
) -> statement
"" stmt
665 | Ast0.CODE
(stmt_dots
) | Ast0.TOPCODE
(stmt_dots
) ->
666 dots force_newline
(statement
"") stmt_dots
667 | Ast0.ERRORWORDS
(exps
) ->
668 print_string
"error words = [";
669 print_between (function _ -> print_string
", ") expression exps
;
672 print_string
"OTHER("; statement
"" s
; print_string
")")
675 print_between (function _ -> force_newline
(); force_newline
()) top_level
677 let unparse_anything x
=
681 Ast0.DotsExprTag
(d
) ->
682 print_string
"ExpDots:"; force_newline
();
684 | Ast0.DotsParamTag
(d
) ->
686 | Ast0.DotsInitTag
(d
) ->
688 | Ast0.DotsStmtTag
(d
) ->
689 print_string
"StmDots:"; force_newline
();
691 | Ast0.DotsDeclTag
(d
) -> declaration_dots d
692 | Ast0.DotsCaseTag
(d
) -> case_dots d
693 | Ast0.IdentTag
(d
) -> ident d
694 | Ast0.ExprTag
(d
) | Ast0.ArgExprTag
(d
) | Ast0.TestExprTag
(d
) ->
695 print_string
"Exp:"; force_newline
();
697 | Ast0.TypeCTag
(d
) -> typeC d
698 | Ast0.ParamTag
(d
) -> parameterTypeDef d
699 | Ast0.InitTag
(d
) -> initialiser d
700 | Ast0.DeclTag
(d
) -> declaration d
702 print_string
"Stm:"; force_newline
();
704 | Ast0.CaseLineTag
(d
) -> case_line
"" d
705 | Ast0.TopTag
(d
) -> top_level d
706 | Ast0.IsoWhenTag
(x
) -> U.print_when_modif x
707 | Ast0.IsoWhenTTag
(e
) -> expression e
708 | Ast0.IsoWhenFTag
(e
) -> expression e
709 | Ast0.MetaPosTag
(var
) -> meta_pos [x
]
710 | Ast0.HiddenVarTag
(var
) -> failwith
"should not need to be printed");
715 print_string
"\n@@\n@@";
721 let unparse_to_string x
= Common.format_to_string
(function _ -> unparse x
)