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.
27 #
0 "./unparse_ast0.ml"
29 module Ast
= Ast_cocci
30 module Ast0
= Ast0_cocci
31 module U
= Pretty_print_cocci
33 let quiet = ref true (* true = no decoration on - context, etc *)
35 let full_ids = ref false (* true = print rule name as well *)
38 force_newline
(); print_string
" "; open_box
0
41 close_box
(); force_newline
()
43 let print_option = Common.do_option
44 let print_between = Common.print_between
46 (* --------------------------------------------------------------------- *)
52 let current_name = Ast0.meta_pos_name var
in
53 let (_
,name
) = Ast0.unwrap_mcode
current_name in
56 meta_pos (Ast0.get_pos
current_name))
59 (* --------------------------------------------------------------------- *)
62 let mcodekind brackets fn x info mc
=
64 Ast.Noindent s
| Ast.Indent s
| Ast.Space s
-> print_string s
in
65 List.iter
(function (s
,_
) -> print s
) info
.Ast0.strings_before
;
67 Ast0.MINUS
(plus_stream
) ->
73 Some x
-> ("[","]^"^
(string_of_int x
))
75 let (plus_stream
,_
) = !plus_stream
in
78 else (print_string
"-";
79 print_string lb
; fn x
; print_string rb
);
80 (match plus_stream
with
81 Ast.NOREPLACEMENT
-> ()
82 | Ast.REPLACEMENT
(plus_stream
,_
) -> U.print_anything
">>> " plus_stream
)
83 | Ast0.CONTEXT
(plus_streams
) ->
89 Some x
-> ("[",("]^"^
(string_of_int x
))) | None
-> ("","") in
90 let (plus_streams
,t1
,t2
) = !plus_streams
in
93 print_string lb
; fn x
; print_string rb
)
95 | Ast0.PLUS _
-> print_int
(info
.Ast0.pos_info
.Ast0.column
); fn x
96 | Ast0.MIXED
(plus_streams
) ->
102 match brackets
with Some x
-> "^"^
(string_of_int x
) | None
-> "" in
104 let (plus_streams
,_
,_
) = !plus_streams
in
105 U.print_around
(function x
-> print_string lb
; fn x
; print_string rb
)
107 List.iter
(function (s
,_
) -> print s
) info
.Ast0.strings_after
109 let mcode fn
(x
,_
,info
,mc
,pos
,adj
) =
110 let fn x
= fn x
; meta_pos !pos
in
111 mcodekind (Some info
.Ast0.pos_info
.Ast0.line_start
)(*None*) fn x info mc
113 let print_context x
fn =
114 mcodekind (Some
(Ast0.get_line x
)) fn () (Ast0.get_info x
)
115 (Ast0.get_mcodekind x
)
117 let print_meta (ctx
,name
) =
119 then (print_string ctx
; print_string
":"));
122 (* --------------------------------------------------------------------- *)
123 (* --------------------------------------------------------------------- *)
126 let dots between
fn d
=
129 match Ast0.unwrap d
with
130 Ast0.DOTS
(l
) -> print_between between
fn l
131 | Ast0.CIRCLES
(l
) -> print_between between
fn l
132 | Ast0.STARS
(l
) -> print_between between
fn l
)
134 (* --------------------------------------------------------------------- *)
137 let do_disj lst processor
=
138 print_string
"\n("; force_newline
();
139 print_between (function _
-> print_string
"\n|"; force_newline
())
143 (* --------------------------------------------------------------------- *)
145 let print_types = function
149 Format.print_flush
();
150 print_between (function _
-> print_string
", ") Type_cocci.typeC ty
;
151 Format.print_flush
();
154 (* --------------------------------------------------------------------- *)
160 match Ast0.unwrap i
with
161 Ast0.Id
(name
) -> mcode print_string name
162 | Ast0.MetaId
(name
,_
,_
,_
) -> mcode print_meta name
163 | Ast0.MetaFunc
(name
,_
,_
) -> mcode print_meta name
164 | Ast0.MetaLocalFunc
(name
,_
,_
) -> mcode print_meta name
165 | Ast0.DisjId
(_
,id_list
,_
,_
) -> do_disj id_list
ident
166 | Ast0.OptIdent
(id
) -> print_string
"?"; ident id
167 | Ast0.UniqueIdent
(id
) -> print_string
"!"; ident id
)
169 (* --------------------------------------------------------------------- *)
172 let print_string_box s
= print_string s
; open_box
0
174 let rec expression e
=
175 print_option Type_cocci.typeC
(Ast0.get_type e
);
178 match Ast0.unwrap e
with
179 Ast0.Ident
(id
) -> ident id
180 | Ast0.Constant
(const
) -> mcode U.constant const
181 | Ast0.FunCall
(fn,lp
,args
,rp
) ->
182 expression fn; mcode print_string_box lp
;
183 let _ = dots (function _ -> ()) expression args
in
184 close_box
(); mcode print_string rp
185 | Ast0.Assignment
(left
,op
,right
,_) ->
186 expression left
; print_string
" "; mcode U.assignOp op
;
187 print_string
" "; expression right
188 | Ast0.Sequence
(left
,op
,right
) ->
189 expression left
; mcode print_string op
;
190 print_string
" "; expression right
191 | Ast0.CondExpr
(exp1
,why
,exp2
,colon
,exp3
) ->
192 expression exp1
; print_string
" "; mcode print_string why
;
193 print_option (function e
-> print_string
" "; expression e
) exp2
;
194 print_string
" "; mcode print_string colon
; expression exp3
195 | Ast0.Postfix
(exp
,op
) -> expression exp
; mcode U.fixOp op
196 | Ast0.Infix
(exp
,op
) -> mcode U.fixOp op
; expression exp
197 | Ast0.Unary
(exp
,op
) -> mcode U.unaryOp op
; expression exp
198 | Ast0.Binary
(left
,op
,right
) ->
200 expression left
; print_string
" "; mcode U.binaryOp op
;
201 print_string
" "; expression right
;
203 | Ast0.Nested
(left
,op
,right
) ->
205 expression left
; print_string
" "; mcode U.binaryOp op
;
206 print_string
" "; expression right
;
208 | Ast0.Paren
(lp
,exp
,rp
) ->
209 mcode print_string_box lp
; expression exp
; close_box
();
210 mcode print_string rp
211 | Ast0.ArrayAccess
(exp1
,lb
,exp2
,rb
) ->
212 expression exp1
; mcode print_string_box lb
; expression exp2
;
213 close_box
(); mcode print_string rb
214 | Ast0.RecordAccess
(exp
,pt
,field
) ->
215 expression exp
; mcode print_string pt
; ident field
216 | Ast0.RecordPtAccess
(exp
,ar
,field
) ->
217 expression exp
; mcode print_string ar
; ident field
218 | Ast0.Cast
(lp
,ty
,rp
,exp
) ->
219 mcode print_string_box lp
; typeC ty
; close_box
();
220 mcode print_string rp
; expression exp
221 | Ast0.SizeOfExpr
(szf
,exp
) ->
222 mcode print_string szf
; expression exp
223 | Ast0.SizeOfType
(szf
,lp
,ty
,rp
) ->
224 mcode print_string szf
;
225 mcode print_string_box lp
; typeC ty
; close_box
();
226 mcode print_string rp
227 | Ast0.TypeExp
(ty
) -> typeC ty
228 | Ast0.Constructor
(lp
,ty
,rp
,init
) ->
229 mcode print_string_box lp
; typeC ty
; close_box
();
230 mcode print_string rp
; initialiser init
231 | Ast0.MetaErr
(name
,_,_) -> mcode print_meta name
232 | Ast0.MetaExpr
(name
,_,ty
,_,pure
) ->
233 mcode print_meta name
; print_types ty
(*;
236 Ast0.Pure -> print_string "pure"
237 | Ast0.Impure -> print_string "impure"
238 | Ast0.Context -> print_string "context"
239 | Ast0.PureContext -> print_string "pure_context")*)
240 | Ast0.MetaExprList
(name
,_,_) -> mcode print_meta name
241 | Ast0.EComma
(cm
) -> mcode print_string cm
; print_space
()
242 | Ast0.DisjExpr
(_,exp_list
,_,_) -> do_disj exp_list
expression
243 | Ast0.NestExpr
(starter
,expr_dots
,ender
,None
,multi
) ->
244 mcode print_string starter
;
245 start_block(); dots force_newline
expression expr_dots
; end_block();
246 mcode print_string ender
247 | Ast0.NestExpr
(starter
,expr_dots
,ender
,Some whencode
,multi
) ->
248 mcode print_string starter
; print_string
" WHEN != ";
250 start_block(); dots force_newline
expression expr_dots
; end_block();
251 mcode print_string ender
252 | Ast0.Edots
(dots,Some whencode
)
253 | Ast0.Ecircles
(dots,Some whencode
)
254 | Ast0.Estars
(dots,Some whencode
) ->
255 mcode print_string
dots; print_string
" WHEN != ";
257 | Ast0.Edots
(dots,None
)
258 | Ast0.Ecircles
(dots,None
)
259 | Ast0.Estars
(dots,None
) -> mcode print_string
dots
260 | Ast0.OptExp
(exp
) -> print_string
"?"; expression exp
261 | Ast0.UniqueExp
(exp
) -> print_string
"!"; expression exp
262 | Ast0.AsExpr
(exp
,asexp
) -> expression exp
; print_string
"@";
265 and expression_dots x
= dots (function _ -> ()) expression x
267 (* --------------------------------------------------------------------- *)
270 and print_function_pointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
) fn =
271 typeC ty
; mcode print_string lp1
; mcode print_string star
; fn();
272 mcode print_string rp1
; mcode print_string lp2
;
273 parameter_list params
; mcode print_string rp2
275 and print_function_type
(ty
,lp1
,params
,rp1
) fn =
276 print_option typeC ty
; fn(); mcode print_string lp1
;
277 parameter_list params
; mcode print_string rp1
282 match Ast0.unwrap t
with
283 Ast0.ConstVol
(cv
,ty
) ->
284 mcode U.const_vol cv
; print_string
" "; typeC ty
285 | Ast0.BaseType
(ty
,strings
) ->
286 List.iter
(function s
-> mcode print_string s
; print_string
" ")
288 | Ast0.Signed
(sgn
,ty
) -> mcode U.sign sgn
; print_option typeC ty
289 | Ast0.Pointer
(ty
,star
) -> typeC ty
; mcode print_string star
290 | Ast0.FunctionPointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
) ->
291 print_function_pointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
)
293 | Ast0.FunctionType
(ty
,lp1
,params
,rp1
) ->
294 print_function_type
(ty
,lp1
,params
,rp1
) (function _ -> ())
295 | Ast0.Array
(ty
,lb
,size
,rb
) ->
296 typeC ty
; mcode print_string lb
; print_option expression size
;
297 mcode print_string rb
298 | Ast0.EnumName
(kind
,name
) ->
299 mcode print_string kind
;
300 print_option (function x
-> ident x
; print_string
" ") name
301 | Ast0.EnumDef
(ty
,lb
,ids
,rb
) ->
302 typeC ty
; mcode print_string lb
;
303 dots force_newline
expression ids
;
304 mcode print_string rb
305 | Ast0.StructUnionName
(kind
,name
) ->
306 mcode U.structUnion kind
;
307 print_option (function x
-> ident x
; print_string
" ") name
308 | Ast0.StructUnionDef
(ty
,lb
,decls
,rb
) ->
309 typeC ty
; mcode print_string lb
;
310 dots force_newline declaration decls
;
311 mcode print_string rb
312 | Ast0.TypeName
(name
)-> mcode print_string name
; print_string
" "
313 | Ast0.MetaType
(name
,_)-> mcode print_meta name
; print_string
" "
314 | Ast0.DisjType
(_,types
,_,_) -> do_disj types typeC
315 | Ast0.OptType
(ty
) -> print_string
"?"; typeC ty
316 | Ast0.UniqueType
(ty
) -> print_string
"!"; typeC ty
317 | Ast0.AsType
(ty
,asty
) -> typeC ty
; print_string
"@"; typeC asty
)
319 (* --------------------------------------------------------------------- *)
320 (* Variable declaration *)
321 (* Even if the Cocci program specifies a list of declarations, they are
322 split out into multiple declarations of a single variable each. *)
324 and print_named_type ty id
=
325 match Ast0.unwrap ty
with
326 Ast0.FunctionPointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
) ->
327 print_function_pointer
(ty
,lp1
,star
,rp1
,lp2
,params
,rp2
)
328 (function _ -> print_string
" "; ident id
)
329 | Ast0.FunctionType
(ty
,lp1
,params
,rp1
) ->
330 print_function_type
(ty
,lp1
,params
,rp1
)
331 (function _ -> print_string
" "; ident id
)
332 | Ast0.Array
(ty
,lb
,size
,rb
) ->
334 match Ast0.unwrap ty
with
335 Ast0.Array
(ty
,lb
,size
,rb
) ->
339 mcode print_string lb
;
340 print_option expression size
;
341 mcode print_string rb
)
342 | _ -> typeC ty
; ident id
; k
() in
343 loop ty
(function _ -> ())
344 | _ -> typeC ty
; ident id
349 match Ast0.unwrap d
with
350 Ast0.MetaDecl
(name
,_) | Ast0.MetaField
(name
,_)
351 | Ast0.MetaFieldList
(name
,_,_) ->
352 mcode print_meta name
353 | Ast0.Init
(stg
,ty
,id
,eq
,ini
,sem
) ->
354 print_option (mcode U.storage
) stg
;
355 print_named_type ty id
;
357 mcode print_string eq
; print_string
" "; initialiser ini
;
358 mcode print_string sem
359 | Ast0.UnInit
(stg
,ty
,id
,sem
) ->
360 print_option (mcode U.storage
) stg
; print_named_type ty id
;
361 mcode print_string sem
362 | Ast0.MacroDecl
(name
,lp
,args
,rp
,sem
) ->
363 ident name
; mcode print_string_box lp
;
364 let _ = dots (function _ -> ()) expression args
in
365 close_box
(); mcode print_string rp
; mcode print_string sem
366 | Ast0.MacroDeclInit
(name
,lp
,args
,rp
,eq
,ini
,sem
) ->
367 ident name
; mcode print_string_box lp
;
368 let _ = dots (function _ -> ()) expression args
in
369 close_box
(); mcode print_string rp
;
371 mcode print_string eq
; print_string
" "; initialiser ini
;
372 mcode print_string sem
373 | Ast0.TyDecl
(ty
,sem
) -> typeC ty
; mcode print_string sem
374 | Ast0.Typedef
(stg
,ty
,id
,sem
) ->
375 mcode print_string stg
; typeC ty
; typeC id
;
376 mcode print_string sem
377 | Ast0.DisjDecl
(_,decls
,_,_) ->
378 print_string
"\n("; force_newline
();
380 (function _ -> print_string
"\n|"; force_newline
())
383 | Ast0.Ddots
(dots,Some whencode
) ->
384 mcode print_string
dots; print_string
" when != ";
386 | Ast0.Ddots
(dots,None
) -> mcode print_string
dots
387 | Ast0.OptDecl
(decl
) -> print_string
"?"; declaration decl
388 | Ast0.UniqueDecl
(decl
) -> print_string
"!"; declaration decl
389 | Ast0.AsDecl
(decl
,asdecl
) ->
390 declaration decl
; print_string
"@"; declaration asdecl
)
392 and declaration_dots l
= dots (function _ -> ()) declaration l
394 (* --------------------------------------------------------------------- *)
400 match Ast0.unwrap i
with
401 Ast0.MetaInit
(name
,_)-> mcode print_meta name
; print_string
" "
402 | Ast0.MetaInitList
(name
,_,_)-> mcode print_meta name
; print_string
" "
403 | Ast0.InitExpr
(exp
) -> expression exp
404 | Ast0.InitList
(lb
,initlist
,rb
,ordered
) ->
405 (*doesn't show commas dropped in unordered case*)
406 mcode print_string lb
; open_box
0;
407 let _ = dots (function _ -> ()) initialiser initlist
in
408 close_box
(); mcode print_string rb
409 | Ast0.InitGccExt
(designators
,eq
,ini
) ->
410 List.iter designator designators
; print_string
" ";
411 mcode print_string eq
; print_string
" "; initialiser ini
412 | Ast0.InitGccName
(name
,eq
,ini
) ->
413 ident name
; mcode print_string eq
; initialiser ini
414 | Ast0.IComma
(cm
) -> mcode print_string cm
; force_newline
()
415 | Ast0.Idots
(d
,Some whencode
) ->
416 mcode print_string d
; print_string
" WHEN != ";
418 | Ast0.Idots
(d
,None
) -> mcode print_string d
419 | Ast0.OptIni
(ini
) -> print_string
"?"; initialiser ini
420 | Ast0.UniqueIni
(ini
) -> print_string
"!"; initialiser ini
421 | Ast0.AsInit
(ini
,asini
) -> initialiser ini
; print_string
"@";
424 and designator
= function
425 Ast0.DesignatorField
(dot
,id
) -> mcode print_string dot
; ident id
426 | Ast0.DesignatorIndex
(lb
,exp
,rb
) ->
427 mcode print_string lb
; expression exp
; mcode print_string rb
428 | Ast0.DesignatorRange
(lb
,min
,dots,max
,rb
) ->
429 mcode print_string lb
; expression min
; mcode print_string
dots;
430 expression max
; mcode print_string rb
432 and initialiser_list l
= dots (function _ -> ()) initialiser l
434 (* --------------------------------------------------------------------- *)
437 and parameterTypeDef p
=
440 match Ast0.unwrap p
with
441 Ast0.VoidParam
(ty
) -> typeC ty
442 | Ast0.Param
(ty
,Some id
) -> print_named_type ty id
443 | Ast0.Param
(ty
,None
) -> typeC ty
444 | Ast0.MetaParam
(name
,_) -> mcode print_meta name
445 | Ast0.MetaParamList
(name
,_,_) -> mcode print_meta name
446 | Ast0.PComma
(cm
) -> mcode print_string cm
; print_space
()
447 | Ast0.Pdots
(dots) -> mcode print_string
dots
448 | Ast0.Pcircles
(dots) -> mcode print_string
dots
449 | Ast0.OptParam
(param
) -> print_string
"?"; parameterTypeDef param
450 | Ast0.UniqueParam
(param
) -> print_string
"!"; parameterTypeDef param
)
452 and parameter_list l
= dots (function _ -> ()) parameterTypeDef l
454 (* --------------------------------------------------------------------- *)
457 and statement arity s
=
460 match Ast0.unwrap s
with
461 Ast0.FunDecl
(_,fninfo
,name
,lp
,params
,rp
,lbrace
,body
,rbrace
) ->
463 List.iter print_fninfo fninfo
;
464 ident name
; mcode print_string_box lp
;
465 parameter_list params
; close_box
(); mcode print_string rp
;
467 print_string arity
; mcode print_string lbrace
; start_block();
468 dots force_newline
(statement arity
) body
;
469 end_block(); print_string arity
; mcode print_string rbrace
470 | Ast0.Decl
(_,decl
) ->
471 Printf.printf
"statement mcodekind %s\n"
472 (Dumper.dump
(Ast0.get_mcodekind s
));
473 Printf.printf
"decl mcodekind %s\n"
474 (Dumper.dump
(Ast0.get_mcodekind decl
));
475 print_string arity
; declaration decl
476 | Ast0.Seq
(lbrace
,body
,rbrace
) ->
477 print_string arity
; mcode print_string lbrace
; start_block();
478 dots force_newline
(statement arity
) body
;
479 end_block(); print_string arity
; mcode print_string rbrace
480 | Ast0.ExprStatement
(exp
,sem
) ->
481 print_string arity
; print_option expression exp
;
482 mcode print_string sem
483 | Ast0.IfThen
(iff
,lp
,exp
,rp
,branch1
,(info
,aft
)) ->
485 mcode print_string iff
; print_string
" "; mcode print_string_box lp
;
486 expression exp
; close_box
(); mcode print_string rp
; print_string
" ";
487 statement arity branch1
;
488 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
489 | Ast0.IfThenElse
(iff
,lp
,exp
,rp
,branch1
,els
,branch2
,(info
,aft
)) ->
491 mcode print_string iff
; print_string
" "; mcode print_string_box lp
;
492 expression exp
; close_box
(); mcode print_string rp
; print_string
" ";
493 statement arity branch1
;
494 print_string arity
; mcode print_string els
; print_string
" ";
495 statement arity branch2
;
496 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
497 | Ast0.While
(whl
,lp
,exp
,rp
,body
,(info
,aft
)) ->
499 mcode print_string whl
; print_string
" "; mcode print_string_box lp
;
500 expression exp
; close_box
(); mcode print_string rp
; print_string
" ";
501 statement arity body
;
502 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
503 | Ast0.Do
(d
,body
,whl
,lp
,exp
,rp
,sem
) ->
504 print_string arity
; mcode print_string d
; print_string
" ";
505 statement arity body
;
507 mcode print_string whl
; print_string
" "; mcode print_string_box lp
;
508 expression exp
; close_box
(); mcode print_string rp
;
509 mcode print_string sem
510 | Ast0.For
(fr
,lp
,e1
,sem1
,e2
,sem2
,e3
,rp
,body
,(info
,aft
)) ->
512 mcode print_string fr
; mcode print_string_box lp
;
513 print_option expression e1
; mcode print_string sem1
;
514 print_option expression e2
; mcode print_string sem2
;
515 print_option expression e3
; close_box
();
516 mcode print_string rp
; print_string
" "; statement arity body
;
517 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
518 | Ast0.Iterator
(nm
,lp
,args
,rp
,body
,(info
,aft
)) ->
520 ident nm
; print_string
" "; mcode print_string_box lp
;
521 let _ = dots (function _ -> ()) expression args
in
522 close_box
(); mcode print_string rp
; print_string
" ";
523 statement arity body
;
524 mcode (function _ -> ()) ((),(),info
,aft
,ref [],-1)
525 | Ast0.Switch
(switch
,lp
,exp
,rp
,lb
,decls
,cases
,rb
) ->
527 mcode print_string switch
; print_string
" ";
528 mcode print_string_box lp
; expression exp
; close_box
();
529 mcode print_string rp
; print_string
" "; mcode print_string lb
;
530 dots force_newline
(statement arity
) decls
;
531 dots force_newline
(case_line arity
) cases
;
532 mcode print_string rb
533 | Ast0.Break
(br
,sem
) ->
534 print_string arity
; mcode print_string br
; mcode print_string sem
535 | Ast0.Continue
(cont
,sem
) ->
536 print_string arity
; mcode print_string cont
; mcode print_string sem
537 | Ast0.Label
(l
,dd
) -> ident l
; print_string
":"
538 | Ast0.Goto
(goto
,l
,sem
) ->
539 mcode print_string goto
; ident l
; mcode print_string sem
540 | Ast0.Return
(ret
,sem
) ->
541 print_string arity
; mcode print_string ret
; mcode print_string sem
542 | Ast0.ReturnExpr
(ret
,exp
,sem
) ->
543 print_string arity
; mcode print_string ret
; print_string
" ";
544 expression exp
; mcode print_string sem
545 | Ast0.MetaStmt
(name
,pure
) ->
546 print_string arity
; mcode print_meta name
;(*
549 Ast0.Pure -> print_string "pure"
550 | Ast0.Impure -> print_string "impure"
551 | Ast0.Context -> print_string "context"
552 | Ast0.PureContext -> print_string "pure_context")*)
553 | Ast0.MetaStmtList
(name
,_) ->
554 print_string arity
; mcode print_meta name
555 | Ast0.Disj
(starter
,statement_dots_list
,_,ender
) ->
557 print_string
"\n"; mcode print_string starter
; force_newline
();
559 (function _ -> print_string
"\n|"; force_newline
())
560 (dots force_newline
(statement arity
))
562 print_string
"\n"; mcode print_string ender
563 | Ast0.Nest
(starter
,stmt_dots
,ender
,whn
,multi
) ->
565 mcode print_string starter
;
568 (whencode
(dots force_newline
(statement
"")) (statement
""))
572 dots force_newline
(statement arity
) stmt_dots
;
574 mcode print_string ender
575 | Ast0.Exp
(exp
) -> print_string arity
; expression exp
576 | Ast0.TopExp
(exp
) -> print_string arity
; expression exp
577 | Ast0.Ty
(ty
) -> print_string arity
; typeC ty
578 | Ast0.TopInit
(init
) -> initialiser init
579 | Ast0.Dots
(d
,whn
) | Ast0.Circles
(d
,whn
) | Ast0.Stars
(d
,whn
) ->
580 print_string arity
; mcode print_string d
;
582 (whencode
(dots force_newline
(statement
"")) (statement
""))
584 | Ast0.Include
(inc
,s
) ->
585 mcode print_string inc
; print_string
" "; mcode U.inc_file s
586 | Ast0.Undef
(def
,id
) ->
587 mcode print_string def
; print_string
" "; ident id
588 | Ast0.Define
(def
,id
,params
,body
) ->
589 mcode print_string def
; print_string
" "; ident id
;
590 print_define_parameters params
;
592 dots force_newline
(statement arity
) body
593 | Ast0.OptStm
(re
) -> statement
"?" re
594 | Ast0.UniqueStm
(re
) -> statement
"!" re
595 | Ast0.AsStmt
(stm
,asstm
) -> statement arity stm
; print_string
"@";
596 statement arity asstm
)
598 and print_define_parameters params
=
599 match Ast0.unwrap params
with
601 | Ast0.DParams
(lp
,params
,rp
) ->
602 mcode print_string lp
;
603 dots (function _ -> ()) print_define_param params
; mcode print_string rp
605 and print_define_param param
=
606 match Ast0.unwrap param
with
607 Ast0.DParam
(id
) -> ident id
608 | Ast0.DPComma
(comma
) -> mcode print_string comma
609 | Ast0.DPdots
(dots) -> mcode print_string
dots
610 | Ast0.DPcircles
(circles
) -> mcode print_string circles
611 | Ast0.OptDParam
(dp
) -> print_string
"?"; print_define_param dp
612 | Ast0.UniqueDParam
(dp
) -> print_string
"!"; print_define_param dp
614 and print_fninfo
= function
615 Ast0.FStorage
(stg
) -> mcode U.storage stg
616 | Ast0.FType
(ty
) -> typeC ty
617 | Ast0.FInline
(inline
) -> mcode print_string inline
618 | Ast0.FAttr
(attr
) -> mcode print_string attr
620 and whencode notfn alwaysfn
= function
622 print_string
" WHEN != "; open_box
0; notfn a
; close_box
()
623 | Ast0.WhenAlways a
->
624 print_string
" WHEN = "; open_box
0; alwaysfn a
; close_box
()
625 | Ast0.WhenModifier x
-> print_string
" WHEN "; U.print_when_modif x
626 | Ast0.WhenNotTrue a
->
627 print_string
" WHEN != TRUE "; open_box
0; expression a
; close_box
()
628 | Ast0.WhenNotFalse a
->
629 print_string
" WHEN != FALSE "; open_box
0; expression a
; close_box
()
631 and case_line arity c
=
634 match Ast0.unwrap c
with
635 Ast0.Default
(def
,colon
,code
) ->
637 mcode print_string def
; mcode print_string colon
; print_string
" ";
638 dots force_newline
(statement arity
) code
639 | Ast0.Case
(case
,exp
,colon
,code
) ->
641 mcode print_string case
; print_string
" "; expression exp
;
642 mcode print_string colon
; print_string
" ";
643 dots force_newline
(statement arity
) code
644 | Ast0.DisjCase
(starter
,case_lines
,mids
,ender
) ->
645 print_string
"\n("; force_newline
();
647 (function _ -> print_string
"\n|"; force_newline
())
648 (case_line arity
) case_lines
;
650 | Ast0.OptCase
(case
) -> case_line
"?" case
)
652 and statement_dots l
= dots (function _ -> ()) (statement
"") l
653 and case_dots l
= dots (function _ -> ()) (case_line
"") l
655 (* --------------------------------------------------------------------- *)
661 match Ast0.unwrap t
with
662 Ast0.FILEINFO
(old_file
,new_file
) ->
663 print_string
"--- "; mcode print_string old_file
; force_newline
();
664 print_string
"+++ "; mcode print_string new_file
665 | Ast0.NONDECL
(stmt
) -> statement
"" stmt
666 | Ast0.CODE
(stmt_dots
) | Ast0.TOPCODE
(stmt_dots
) ->
667 dots force_newline
(statement
"") stmt_dots
668 | Ast0.ERRORWORDS
(exps
) ->
669 print_string
"error words = [";
670 print_between (function _ -> print_string
", ") expression exps
;
673 print_string
"OTHER("; statement
"" s
; print_string
")")
676 print_between (function _ -> force_newline
(); force_newline
()) top_level
678 let unparse_anything x
=
682 Ast0.DotsExprTag
(d
) ->
683 print_string
"ExpDots:"; force_newline
();
685 | Ast0.DotsParamTag
(d
) ->
687 | Ast0.DotsInitTag
(d
) ->
689 | Ast0.DotsStmtTag
(d
) ->
690 print_string
"StmDots:"; force_newline
();
692 | Ast0.DotsDeclTag
(d
) -> declaration_dots d
693 | Ast0.DotsCaseTag
(d
) -> case_dots d
694 | Ast0.IdentTag
(d
) -> ident d
695 | Ast0.ExprTag
(d
) | Ast0.ArgExprTag
(d
) | Ast0.TestExprTag
(d
) ->
696 print_string
"Exp:"; force_newline
();
698 | Ast0.TypeCTag
(d
) -> typeC d
699 | Ast0.ParamTag
(d
) -> parameterTypeDef d
700 | Ast0.InitTag
(d
) -> initialiser d
701 | Ast0.DeclTag
(d
) -> declaration d
703 print_string
"Stm:"; force_newline
();
705 | Ast0.CaseLineTag
(d
) -> case_line
"" d
706 | Ast0.TopTag
(d
) -> top_level d
707 | Ast0.IsoWhenTag
(x
) -> U.print_when_modif x
708 | Ast0.IsoWhenTTag
(e
) -> expression e
709 | Ast0.IsoWhenFTag
(e
) -> expression e
710 | Ast0.MetaPosTag
(var
) -> meta_pos [x
]
711 | Ast0.HiddenVarTag
(var
) -> failwith
"should not need to be printed");
716 print_string
"\n@@\n@@";
722 let unparse_to_string x
= Common.format_to_string
(function _ -> unparse x
)