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f537ebc4 C |
1 | /* |
2 | * Copyright 2010, INRIA, University of Copenhagen | |
3 | * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix | |
4 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen | |
5 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix | |
6 | * This file is part of Coccinelle. | |
7 | * | |
8 | * Coccinelle is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, according to version 2 of the License. | |
11 | * | |
12 | * Coccinelle is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
19 | * | |
20 | * The authors reserve the right to distribute this or future versions of | |
21 | * Coccinelle under other licenses. | |
22 | */ | |
23 | ||
24 | ||
34e49164 C |
25 | %{ |
26 | ||
27 | (* Not clear how to allow function declarations to specify a return type | |
28 | and how to allow both to be specified as static, because they are in | |
29 | different rules. The rules seem to have to be combined, which would allow | |
30 | functions to be declared as local variables *) | |
31 | ||
32 | (* Not clear how to let a function have a parameter of type void. At the | |
33 | moment, void is allowed to be the type of a variable, which is wrong, and a | |
34 | parameter needs both a type and an identifier *) | |
35 | module Ast0 = Ast0_cocci | |
36 | module Ast = Ast_cocci | |
37 | module P = Parse_aux | |
b23ff9c7 C |
38 | |
39 | (* ---------------------------------------------------------------------- *) | |
40 | (* support for TMeta *) | |
41 | ||
42 | let print_meta (r,n) = r^"."^n | |
43 | ||
44 | let meta_metatable = Hashtbl.create(101) | |
45 | ||
46 | let coerce_tmeta newty name builder matcher = | |
47 | try | |
48 | let x = Hashtbl.find meta_metatable name in | |
49 | if not (matcher x) | |
50 | then | |
51 | failwith | |
52 | (Printf.sprintf "Metavariable %s is used as %s" | |
53 | (print_meta name) newty) | |
54 | with Not_found -> | |
55 | (if !Flag_parsing_cocci.show_SP | |
56 | then | |
57 | Common.pr2 | |
58 | (Printf.sprintf | |
59 | "Metavariable %s is assumed to be %s metavariable" | |
60 | (print_meta name) newty)); | |
61 | Hashtbl.add meta_metatable name builder | |
62 | ||
63 | let tmeta_to_type (name,pure,clt) = | |
64 | (coerce_tmeta "a type" name (TMetaType(name,pure,clt)) | |
65 | (function TMetaType(_,_,_) -> true | _ -> false)); | |
66 | Ast0.wrap(Ast0.MetaType(P.clt2mcode name clt,pure)) | |
67 | ||
68 | let tmeta_to_field (name,pure,clt) = | |
69 | (coerce_tmeta "a field" name (TMetaField(name,pure,clt)) | |
70 | (function TMetaField(_,_,_) -> true | _ -> false)); | |
71 | P.meta_field (name,pure,clt) | |
72 | ||
73 | let tmeta_to_exp (name,pure,clt) = | |
74 | (coerce_tmeta "an expression" name | |
75 | (TMetaExp(name,Ast0.NoConstraint,pure,None,clt)) | |
76 | (function TMetaExp(_,_,_,_,_) -> true | _ -> false)); | |
77 | Ast0.wrap | |
78 | (Ast0.MetaExpr(P.clt2mcode name clt,Ast0.NoConstraint,None,Ast.ANY,pure)) | |
79 | ||
80 | let tmeta_to_param (name,pure,clt) = | |
81 | (coerce_tmeta "a parameter" name (TMetaParam(name,pure,clt)) | |
82 | (function TMetaParam(_,_,_) -> true | _ -> false)); | |
83 | Ast0.wrap(Ast0.MetaParam(P.clt2mcode name clt,pure)) | |
84 | ||
85 | let tmeta_to_statement (name,pure,clt) = | |
86 | (coerce_tmeta "a statement" name (TMetaType(name,pure,clt)) | |
87 | (function TMetaType(_,_,_) -> true | _ -> false)); | |
88 | P.meta_stm (name,pure,clt) | |
89 | ||
90 | let tmeta_to_seed_id (name,pure,clt) = | |
91 | (coerce_tmeta "an identifier" name | |
92 | (TMetaId(name,Ast.IdNoConstraint,pure,clt)) | |
93 | (function TMetaId(_,_,_,_) -> true | _ -> false)); | |
94 | Ast.SeedId name | |
95 | ||
96 | let tmeta_to_ident (name,pure,clt) = | |
97 | (coerce_tmeta "an identifier" name | |
98 | (TMetaId(name,Ast.IdNoConstraint,pure,clt)) | |
99 | (function TMetaId(_,_,_,_) -> true | _ -> false)); | |
100 | Ast0.wrap(Ast0.MetaId(P.clt2mcode name clt,Ast.IdNoConstraint,pure)) | |
34e49164 C |
101 | %} |
102 | ||
103 | %token EOF | |
104 | ||
105 | %token TIdentifier TExpression TStatement TFunction TLocal TType TParameter | |
b23ff9c7 | 106 | %token TIdExpression TInitialiser TDeclaration TField TMetavariable |
34e49164 | 107 | %token Tlist TFresh TConstant TError TWords TWhy0 TPlus0 TBang0 |
faf9a90c | 108 | %token TPure TContext TGenerated |
34e49164 | 109 | %token TTypedef TDeclarer TIterator TName TPosition TPosAny |
faf9a90c | 110 | %token TUsing TDisable TExtends TDepends TOn TEver TNever TExists TForall |
951c7801 | 111 | %token TScript TInitialize TFinalize TNothing TVirtual |
34e49164 C |
112 | %token<string> TRuleName |
113 | ||
114 | %token<Data.clt> Tchar Tshort Tint Tdouble Tfloat Tlong | |
1eddfd50 | 115 | %token<Data.clt> Tsize_t Tssize_t Tptrdiff_t |
faf9a90c | 116 | %token<Data.clt> Tvoid Tstruct Tunion Tenum |
34e49164 C |
117 | %token<Data.clt> Tunsigned Tsigned |
118 | ||
119 | %token<Data.clt> Tstatic Tauto Tregister Textern Tinline Ttypedef | |
120 | %token<Data.clt> Tconst Tvolatile | |
121 | %token<string * Data.clt> Tattr | |
122 | ||
123 | %token <Data.clt> TIf TElse TWhile TFor TDo TSwitch TCase TDefault TReturn | |
124 | %token <Data.clt> TBreak TContinue TGoto TSizeof TFunDecl | |
c3e37e97 C |
125 | %token <string * Data.clt> TIdent TTypeId TDeclarerId TIteratorId |
126 | %token <Ast_cocci.added_string * Data.clt> TPragma | |
34e49164 | 127 | |
951c7801 C |
128 | %token <Parse_aux.idinfo> TMetaId TMetaFunc TMetaLocalFunc |
129 | %token <Parse_aux.idinfo> TMetaIterator TMetaDeclarer | |
130 | %token <Parse_aux.expinfo> TMetaErr | |
131 | %token <Parse_aux.info> TMetaParam TMetaStm TMetaStmList TMetaType | |
b23ff9c7 | 132 | %token <Parse_aux.info> TMetaInit TMetaDecl TMetaField TMeta |
8f657093 | 133 | %token <Parse_aux.list_info> TMetaParamList TMetaExpList TMetaInitList |
190f1acf | 134 | %token <Parse_aux.list_info> TMetaFieldList |
951c7801 C |
135 | %token <Parse_aux.typed_expinfo> TMetaExp TMetaIdExp TMetaLocalIdExp TMetaConst |
136 | %token <Parse_aux.pos_info> TMetaPos | |
34e49164 C |
137 | |
138 | %token TArob TArobArob TPArob | |
139 | %token <string> TScriptData | |
140 | ||
141 | %token <Data.clt> TEllipsis TOEllipsis TCEllipsis TPOEllipsis TPCEllipsis | |
1be43e12 | 142 | %token <Data.clt> TWhen TWhenTrue TWhenFalse TAny TStrict TLineEnd |
34e49164 C |
143 | |
144 | %token <Data.clt> TWhy TDotDot TBang TOPar TOPar0 | |
145 | %token <Data.clt> TMid0 TCPar TCPar0 | |
146 | ||
0708f913 | 147 | %token <string> TPathIsoFile |
34e49164 | 148 | %token <string * Data.clt> TIncludeL TIncludeNL |
3a314143 | 149 | %token <Data.clt * token> TDefine TUndef |
708f4980 | 150 | %token <Data.clt * token * int * int> TDefineParam |
34e49164 C |
151 | %token <string * Data.clt> TMinusFile TPlusFile |
152 | ||
153 | %token <Data.clt> TInc TDec | |
154 | ||
155 | %token <string * Data.clt> TString TChar TFloat TInt | |
156 | ||
157 | %token <Data.clt> TOrLog | |
158 | %token <Data.clt> TAndLog | |
159 | %token <Data.clt> TOr | |
160 | %token <Data.clt> TXor | |
faf9a90c | 161 | %token <Data.clt> TAnd |
5636bb2c | 162 | %token <Data.clt> TEqEq TNotEq TTildeEq TTildeExclEq TSub |
34e49164 | 163 | %token <Ast_cocci.logicalOp * Data.clt> TLogOp /* TInf TSup TInfEq TSupEq */ |
413ffc02 | 164 | %token <Ast_cocci.arithOp * Data.clt> TShLOp TShROp /* TShl TShr */ |
34e49164 C |
165 | %token <Ast_cocci.arithOp * Data.clt> TDmOp /* TDiv TMod */ |
166 | %token <Data.clt> TPlus TMinus | |
167 | %token <Data.clt> TMul TTilde | |
168 | ||
1be43e12 | 169 | %token <Data.clt> TOBrace TCBrace TOInit |
34e49164 C |
170 | %token <Data.clt> TOCro TCCro |
171 | ||
172 | %token <Data.clt> TPtrOp | |
173 | ||
978fd7e5 | 174 | %token TMPtVirg TCppConcatOp |
34e49164 C |
175 | %token <Data.clt> TEq TDot TComma TPtVirg |
176 | %token <Ast_cocci.assignOp * Data.clt> TAssign | |
177 | ||
178 | %token TIso TRightIso TIsoExpression TIsoStatement TIsoDeclaration TIsoType | |
c3e37e97 | 179 | %token TIsoTopLevel TIsoArgExpression TIsoTestExpression TIsoToTestExpression |
34e49164 | 180 | |
aba5c457 C |
181 | %token TUnderscore |
182 | ||
34e49164 C |
183 | %token TInvalid |
184 | ||
185 | /* operator precedence */ | |
186 | %nonassoc TIf | |
187 | %nonassoc TElse | |
188 | ||
189 | %left TOrLog | |
190 | %left TAndLog | |
191 | %left TOr | |
192 | %left TXor | |
faf9a90c | 193 | %left TAnd |
34e49164 C |
194 | %left TEqEq TNotEq |
195 | %left TLogOp /* TInf TSup TInfEq TSupEq */ | |
413ffc02 | 196 | %left TShLOp TShROp /* TShl TShr */ |
34e49164 C |
197 | %left TPlus TMinus |
198 | %left TMul TDmOp /* TDiv TMod */ | |
199 | ||
200 | %start reinit | |
201 | %type <unit> reinit | |
202 | ||
203 | %start minus_main | |
204 | %type <Ast0_cocci.rule> minus_main | |
205 | ||
206 | %start minus_exp_main | |
207 | %type <Ast0_cocci.rule> minus_exp_main | |
208 | ||
209 | %start plus_main | |
210 | %type <Ast0_cocci.rule> plus_main | |
211 | ||
212 | %start plus_exp_main | |
213 | %type <Ast0_cocci.rule> plus_exp_main | |
214 | ||
215 | %start include_main | |
978fd7e5 | 216 | %type <Data.incl_iso list> include_main |
34e49164 C |
217 | |
218 | %start iso_rule_name | |
219 | %type <Ast_cocci.rulename> | |
220 | iso_rule_name | |
221 | ||
222 | %start rule_name | |
223 | %type <Ast_cocci.rulename> | |
224 | rule_name | |
225 | ||
226 | %start meta_main | |
227 | %type <(Ast_cocci.metavar,Ast_cocci.metavar) Common.either list> meta_main | |
228 | ||
413ffc02 | 229 | %start <(string option (*string*) * string option (*ast*)) * (Ast_cocci.meta_name * Ast_cocci.metavar) option> script_meta_main |
34e49164 C |
230 | |
231 | %start iso_main | |
232 | %type <Ast0_cocci.anything list list> iso_main | |
233 | ||
234 | %start iso_meta_main | |
235 | %type <(Ast_cocci.metavar,Ast_cocci.metavar) Common.either list> iso_meta_main | |
236 | ||
237 | %start never_used | |
238 | %type <unit> never_used | |
239 | ||
240 | %% | |
241 | ||
242 | reinit: { } | |
243 | minus_main: minus_body EOF { $1 } | m=minus_body TArobArob { m } | |
244 | | m=minus_body TArob { m } | |
245 | plus_main: plus_body EOF { $1 } | p=plus_body TArobArob { p } | |
246 | | p=plus_body TArob { p } | |
247 | minus_exp_main: minus_exp_body EOF { $1 } | m=minus_exp_body TArobArob { m } | |
248 | | m=minus_exp_body TArob { m } | |
249 | plus_exp_main: plus_exp_body EOF { $1 } | p=plus_exp_body TArobArob { p } | |
250 | | p=plus_exp_body TArob { p } | |
251 | meta_main: m=metadec { m (!Ast0.rule_name) } | |
252 | iso_meta_main: m=metadec { m "" } | |
253 | ||
254 | /***************************************************************************** | |
255 | * | |
256 | * | |
257 | *****************************************************************************/ | |
258 | ||
259 | pure: | |
260 | TPure { Ast0.Pure } | |
261 | | TContext { Ast0.Context } | |
262 | | TPure TContext { Ast0.PureContext } | |
263 | | TContext TPure { Ast0.PureContext } | |
264 | | /* empty */ { Ast0.Impure } | |
265 | ||
266 | iso_rule_name: | |
267 | nm=pure_ident TArob { P.make_iso_rule_name_result (P.id2name nm) } | |
268 | ||
269 | rule_name: | |
270 | nm=ioption(pure_ident) extends d=depends i=loption(choose_iso) | |
271 | a=loption(disable) e=exists ee=is_expression TArob | |
272 | { P.make_cocci_rule_name_result nm d i a e ee } | |
faf9a90c C |
273 | | TGenerated extends d=depends i=loption(choose_iso) |
274 | a=loption(disable) e=exists ee=is_expression TArob | |
275 | /* these rules have no name as a cheap way to ensure that no normal | |
276 | rule inherits their metavariables or depends on them */ | |
277 | { P.make_generated_rule_name_result None d i a e ee } | |
413ffc02 C |
278 | | TScript TDotDot lang=pure_ident nm=ioption(pure_ident) d=depends TArob |
279 | { P.make_script_rule_name_result lang nm d } | |
c3e37e97 C |
280 | | TInitialize TDotDot lang=pure_ident d=depends TArob |
281 | { P.make_initial_script_rule_name_result lang d } | |
282 | | TFinalize TDotDot lang=pure_ident d=depends TArob | |
283 | { P.make_final_script_rule_name_result lang d } | |
34e49164 C |
284 | |
285 | extends: | |
286 | /* empty */ { () } | |
287 | | TExtends parent=TRuleName | |
288 | { !Data.install_bindings (parent) } | |
289 | ||
290 | depends: | |
291 | /* empty */ { Ast.NoDep } | |
292 | | TDepends TOn parents=dep { parents } | |
293 | ||
294 | dep: | |
295 | pnrule { $1 } | |
296 | | dep TAndLog dep { Ast.AndDep($1, $3) } | |
297 | | dep TOrLog dep { Ast.OrDep ($1, $3) } | |
298 | ||
299 | pnrule: | |
300 | TRuleName { Ast.Dep $1 } | |
301 | | TBang TRuleName { Ast.AntiDep $2 } | |
302 | | TEver TRuleName { Ast.EverDep $2 } | |
303 | | TNever TRuleName { Ast.NeverDep $2 } | |
304 | | TOPar dep TCPar { $2 } | |
305 | ||
306 | choose_iso: | |
307 | TUsing separated_nonempty_list(TComma,TString) { List.map P.id2name $2 } | |
308 | ||
309 | disable: | |
310 | TDisable separated_nonempty_list(TComma,pure_ident) { List.map P.id2name $2 } | |
311 | ||
312 | exists: | |
313 | TExists { Ast.Exists } | |
314 | | TForall { Ast.Forall } | |
34e49164 C |
315 | | { Ast.Undetermined } |
316 | ||
317 | is_expression: // for more flexible parsing of top level expressions | |
318 | { false } | |
319 | | TExpression { true } | |
320 | ||
321 | include_main: | |
322 | list(incl) TArob { $1 } | |
323 | | list(incl) TArobArob { $1 } | |
324 | ||
325 | incl: | |
978fd7e5 C |
326 | TIncludeL { let (x,_) = $1 in Data.Include(x) } |
327 | | TUsing TString { Data.Iso(Common.Left(P.id2name $2)) } | |
328 | | TUsing TPathIsoFile { Data.Iso(Common.Right $2) } | |
951c7801 C |
329 | | TVirtual comma_list(pure_ident) |
330 | { let names = List.map P.id2name $2 in | |
3a314143 C |
331 | Iteration.parsed_virtual_rules := |
332 | Common.union_set names !Iteration.parsed_virtual_rules; | |
951c7801 C |
333 | (* ensure that the names of virtual and real rules don't overlap *) |
334 | List.iter | |
335 | (function name -> Hashtbl.add Data.all_metadecls name []) | |
336 | names; | |
337 | Data.Virt(names) } | |
34e49164 C |
338 | |
339 | metadec: | |
340 | ar=arity ispure=pure | |
341 | kindfn=metakind ids=comma_list(pure_ident_or_meta_ident) TMPtVirg | |
342 | { P.create_metadec ar ispure kindfn ids } | |
b1b2de81 C |
343 | | kindfn=metakind_fresh ids=comma_list(pure_ident_or_meta_ident_with_seed) |
344 | TMPtVirg | |
345 | { P.create_fresh_metadec kindfn ids } | |
ae4735db C |
346 | | ar=arity ispure=pure |
347 | kindfn=metakind_atomic_maybe_virt | |
348 | ids= | |
349 | comma_list(pure_ident_or_meta_ident_with_idconstraint_virt(re_or_not_eqid)) | |
350 | TMPtVirg | |
351 | { let (normal,virt) = Common.partition_either (fun x -> x) ids in | |
352 | let (idfn,virtfn) = kindfn in | |
353 | function cr -> | |
354 | (P.create_metadec_with_constraints ar ispure idfn normal cr) @ | |
355 | (P.create_metadec_virt ar ispure virtfn virt cr) } | |
34e49164 C |
356 | | ar=arity ispure=pure |
357 | kindfn=metakind_atomic | |
7f004419 C |
358 | ids=comma_list(pure_ident_or_meta_ident_with_idconstraint(re_or_not_eqid)) |
359 | TMPtVirg | |
951c7801 | 360 | { P.create_metadec_with_constraints ar ispure kindfn ids } |
34e49164 C |
361 | | ar=arity ispure=pure |
362 | kindfn=metakind_atomic_expi | |
5636bb2c | 363 | ids=comma_list(pure_ident_or_meta_ident_with_econstraint(re_or_not_eqe_or_sub)) |
7f004419 | 364 | TMPtVirg |
951c7801 | 365 | { P.create_metadec_with_constraints ar ispure kindfn ids } |
34e49164 C |
366 | | ar=arity ispure=pure |
367 | kindfn=metakind_atomic_expe | |
5636bb2c C |
368 | ids=comma_list(pure_ident_or_meta_ident_with_econstraint(not_ceq_or_sub)) |
369 | TMPtVirg | |
951c7801 | 370 | { P.create_metadec_with_constraints ar ispure kindfn ids } |
34e49164 | 371 | | ar=arity TPosition a=option(TPosAny) |
951c7801 | 372 | ids=comma_list(pure_ident_or_meta_ident_with_x_eq(not_pos)) TMPtVirg |
faf9a90c C |
373 | (* pb: position variables can't be inherited from normal rules, and then |
374 | there is no way to inherit from a generated rule, so there is no point | |
375 | to have a position variable *) | |
376 | { (if !Data.in_generating | |
377 | then failwith "position variables not allowed in a generated rule file"); | |
378 | let kindfn arity name pure check_meta constraints = | |
34e49164 C |
379 | let tok = check_meta(Ast.MetaPosDecl(arity,name)) in |
380 | let any = match a with None -> Ast.PER | Some _ -> Ast.ALL in | |
381 | !Data.add_pos_meta name constraints any; tok in | |
951c7801 | 382 | P.create_metadec_with_constraints ar false kindfn ids } |
34e49164 | 383 | | ar=arity ispure=pure |
88e71198 | 384 | TParameter Tlist TOCro len=list_len TCCro |
34e49164 C |
385 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg |
386 | { P.create_len_metadec ar ispure | |
387 | (fun lenname arity name pure check_meta -> | |
88e71198 C |
388 | let tok = check_meta(Ast.MetaParamListDecl(arity,name,lenname)) in |
389 | !Data.add_paramlist_meta name lenname pure; tok) | |
390 | len ids } | |
34e49164 | 391 | | ar=arity ispure=pure |
88e71198 | 392 | TExpression Tlist TOCro len=list_len TCCro |
34e49164 C |
393 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg |
394 | { P.create_len_metadec ar ispure | |
395 | (fun lenname arity name pure check_meta -> | |
88e71198 C |
396 | let tok = check_meta(Ast.MetaExpListDecl(arity,name,lenname)) in |
397 | !Data.add_explist_meta name lenname pure; tok) | |
398 | len ids } | |
190f1acf C |
399 | | ar=arity ispure=pure |
400 | TField Tlist TOCro len=list_len TCCro | |
401 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg | |
402 | { P.create_len_metadec ar ispure | |
403 | (fun lenname arity name pure check_meta -> | |
404 | let tok = check_meta(Ast.MetaFieldListDecl(arity,name,lenname)) in | |
405 | !Data.add_field_list_meta name lenname pure; tok) | |
406 | len ids } | |
8f657093 C |
407 | | ar=arity ispure=pure |
408 | TInitialiser Tlist TOCro len=list_len TCCro | |
409 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg | |
410 | { P.create_len_metadec ar ispure | |
411 | (fun lenname arity name pure check_meta -> | |
412 | let tok = check_meta(Ast.MetaInitListDecl(arity,name,lenname)) in | |
413 | !Data.add_initlist_meta name lenname pure; tok) | |
414 | len ids } | |
88e71198 C |
415 | |
416 | list_len: | |
417 | pure_ident_or_meta_ident { Common.Left $1 } | |
418 | | TInt { let (x,clt) = $1 in Common.Right (int_of_string x) } | |
34e49164 | 419 | |
b1b2de81 | 420 | %inline metakind_fresh: |
34e49164 | 421 | TFresh TIdentifier |
b1b2de81 C |
422 | { (fun name check_meta seed -> |
423 | let tok = check_meta(Ast.MetaFreshIdDecl(name,seed)) in | |
424 | !Data.add_fresh_id_meta name; tok) } | |
425 | ||
ae4735db | 426 | /* metavariable kinds with no constraints, etc */ |
b1b2de81 | 427 | %inline metakind: |
b23ff9c7 C |
428 | TMetavariable |
429 | { (fun arity name pure check_meta -> | |
430 | let tok = check_meta(Ast.MetaMetaDecl(arity,name)) in | |
431 | !Data.add_meta_meta name pure; tok) } | |
432 | | TParameter | |
34e49164 C |
433 | { (fun arity name pure check_meta -> |
434 | let tok = check_meta(Ast.MetaParamDecl(arity,name)) in | |
435 | !Data.add_param_meta name pure; tok) } | |
436 | | TParameter Tlist | |
437 | { (fun arity name pure check_meta -> | |
88e71198 C |
438 | let len = Ast.AnyLen in |
439 | let tok = check_meta(Ast.MetaParamListDecl(arity,name,len)) in | |
440 | !Data.add_paramlist_meta name len pure; tok) } | |
34e49164 C |
441 | | TExpression Tlist |
442 | { (fun arity name pure check_meta -> | |
88e71198 C |
443 | let len = Ast.AnyLen in |
444 | let tok = check_meta(Ast.MetaExpListDecl(arity,name,len)) in | |
445 | !Data.add_explist_meta name len pure; tok) } | |
34e49164 C |
446 | | TType |
447 | { (fun arity name pure check_meta -> | |
448 | let tok = check_meta(Ast.MetaTypeDecl(arity,name)) in | |
faf9a90c | 449 | !Data.add_type_meta name pure; tok) } |
113803cf C |
450 | | TInitialiser |
451 | { (fun arity name pure check_meta -> | |
452 | let tok = check_meta(Ast.MetaInitDecl(arity,name)) in | |
453 | !Data.add_init_meta name pure; tok) } | |
8f657093 C |
454 | | TInitialiser Tlist |
455 | { (fun arity name pure check_meta -> | |
456 | let len = Ast.AnyLen in | |
457 | let tok = check_meta(Ast.MetaInitListDecl(arity,name,len)) in | |
458 | !Data.add_initlist_meta name len pure; tok) } | |
34e49164 C |
459 | | TStatement |
460 | { (fun arity name pure check_meta -> | |
461 | let tok = check_meta(Ast.MetaStmDecl(arity,name)) in | |
462 | !Data.add_stm_meta name pure; tok) } | |
413ffc02 C |
463 | | TDeclaration |
464 | { (fun arity name pure check_meta -> | |
465 | let tok = check_meta(Ast.MetaDeclDecl(arity,name)) in | |
466 | !Data.add_decl_meta name pure; tok) } | |
467 | | TField | |
468 | { (fun arity name pure check_meta -> | |
469 | let tok = check_meta(Ast.MetaFieldDecl(arity,name)) in | |
470 | !Data.add_field_meta name pure; tok) } | |
190f1acf C |
471 | | TField Tlist |
472 | { (fun arity name pure check_meta -> | |
473 | let len = Ast.AnyLen in | |
474 | let tok = check_meta(Ast.MetaFieldListDecl(arity,name,len)) in | |
475 | !Data.add_field_list_meta name len pure; tok) } | |
34e49164 C |
476 | | TStatement Tlist |
477 | { (fun arity name pure check_meta -> | |
478 | let tok = check_meta(Ast.MetaStmListDecl(arity,name)) in | |
479 | !Data.add_stmlist_meta name pure; tok) } | |
480 | | TTypedef | |
481 | { (fun arity (_,name) pure check_meta -> | |
482 | if arity = Ast.NONE && pure = Ast0.Impure | |
483 | then (!Data.add_type_name name; []) | |
484 | else raise (Semantic_cocci.Semantic "bad typedef")) } | |
485 | | TDeclarer TName | |
486 | { (fun arity (_,name) pure check_meta -> | |
487 | if arity = Ast.NONE && pure = Ast0.Impure | |
488 | then (!Data.add_declarer_name name; []) | |
489 | else raise (Semantic_cocci.Semantic "bad declarer")) } | |
490 | | TIterator TName | |
491 | { (fun arity (_,name) pure check_meta -> | |
492 | if arity = Ast.NONE && pure = Ast0.Impure | |
493 | then (!Data.add_iterator_name name; []) | |
494 | else raise (Semantic_cocci.Semantic "bad iterator")) } | |
495 | ||
ae4735db | 496 | %inline metakind_atomic_maybe_virt: |
34e49164 | 497 | TIdentifier |
ae4735db C |
498 | { |
499 | let idfn arity name pure check_meta constraints = | |
500 | let tok = check_meta(Ast.MetaIdDecl(arity,name)) in | |
501 | !Data.add_id_meta name constraints pure; tok in | |
502 | let virtfn arity name pure check_meta virtual_env = | |
503 | try | |
504 | let vl = List.assoc name virtual_env in | |
505 | !Data.add_virt_id_meta_found name vl; [] | |
506 | with Not_found -> | |
3a314143 C |
507 | Iteration.parsed_virtual_identifiers := |
508 | Common.union_set [name] | |
509 | !Iteration.parsed_virtual_identifiers; | |
ae4735db C |
510 | let name = ("virtual",name) in |
511 | let tok = check_meta(Ast.MetaIdDecl(arity,name)) in | |
512 | !Data.add_virt_id_meta_not_found name pure; tok in | |
513 | (idfn,virtfn) } | |
514 | ||
515 | %inline metakind_atomic: | |
516 | TFunction | |
34e49164 C |
517 | { (fun arity name pure check_meta constraints -> |
518 | let tok = check_meta(Ast.MetaFuncDecl(arity,name)) in | |
519 | !Data.add_func_meta name constraints pure; tok) } | |
520 | | TLocal TFunction | |
521 | { (fun arity name pure check_meta constraints -> | |
522 | let tok = check_meta(Ast.MetaLocalFuncDecl(arity,name)) in | |
523 | !Data.add_local_func_meta name constraints pure; | |
524 | tok) } | |
525 | | TDeclarer | |
526 | { (fun arity name pure check_meta constraints -> | |
527 | let tok = check_meta(Ast.MetaDeclarerDecl(arity,name)) in | |
528 | !Data.add_declarer_meta name constraints pure; tok) } | |
529 | | TIterator | |
530 | { (fun arity name pure check_meta constraints -> | |
531 | let tok = check_meta(Ast.MetaIteratorDecl(arity,name)) in | |
532 | !Data.add_iterator_meta name constraints pure; tok) } | |
533 | ||
534 | %inline metakind_atomic_expi: | |
535 | TError | |
536 | { (fun arity name pure check_meta constraints -> | |
537 | let tok = check_meta(Ast.MetaErrDecl(arity,name)) in | |
538 | !Data.add_err_meta name constraints pure; tok) } | |
539 | | l=option(TLocal) TIdExpression ty=ioption(meta_exp_type) | |
540 | { (fun arity name pure check_meta constraints -> | |
541 | match l with | |
542 | None -> | |
543 | !Data.add_idexp_meta ty name constraints pure; | |
544 | check_meta(Ast.MetaIdExpDecl(arity,name,ty)) | |
545 | | Some _ -> | |
546 | !Data.add_local_idexp_meta ty name constraints pure; | |
547 | check_meta(Ast.MetaLocalIdExpDecl(arity,name,ty))) } | |
548 | | l=option(TLocal) TIdExpression m=nonempty_list(TMul) | |
549 | { (fun arity name pure check_meta constraints -> | |
550 | let ty = Some [P.ty_pointerify Type_cocci.Unknown m] in | |
551 | match l with | |
552 | None -> | |
553 | !Data.add_idexp_meta ty name constraints pure; | |
554 | check_meta(Ast.MetaIdExpDecl(arity,name,ty)) | |
555 | | Some _ -> | |
556 | !Data.add_local_idexp_meta ty name constraints pure; | |
557 | check_meta(Ast.MetaLocalIdExpDecl(arity,name,ty))) } | |
e6509c05 | 558 | | TExpression ty=expression_type |
34e49164 | 559 | { (fun arity name pure check_meta constraints -> |
e6509c05 | 560 | let ty = Some [ty] in |
34e49164 C |
561 | let tok = check_meta(Ast.MetaExpDecl(arity,name,ty)) in |
562 | !Data.add_exp_meta ty name constraints pure; tok) } | |
34e49164 C |
563 | | TConstant ty=ioption(meta_exp_type) |
564 | { (fun arity name pure check_meta constraints -> | |
565 | let tok = check_meta(Ast.MetaConstDecl(arity,name,ty)) in | |
566 | !Data.add_const_meta ty name constraints pure; tok) } | |
567 | ||
e6509c05 C |
568 | expression_type: |
569 | m=nonempty_list(TMul) { P.ty_pointerify Type_cocci.Unknown m } | |
570 | | Tenum m=list(TMul) | |
571 | { P.ty_pointerify (Type_cocci.EnumName Type_cocci.NoName) m } | |
572 | | Tstruct m=list(TMul) | |
573 | { P.ty_pointerify | |
574 | (Type_cocci.StructUnionName (Type_cocci.Struct,Type_cocci.NoName)) m } | |
575 | | Tunion m=list(TMul) | |
576 | { P.ty_pointerify | |
577 | (Type_cocci.StructUnionName (Type_cocci.Union,Type_cocci.NoName)) m } | |
578 | ||
34e49164 C |
579 | %inline metakind_atomic_expe: |
580 | TExpression | |
581 | { (fun arity name pure check_meta constraints -> | |
582 | let tok = check_meta(Ast.MetaExpDecl(arity,name,None)) in | |
5636bb2c | 583 | !Data.add_exp_meta None name constraints pure; tok) } |
34e49164 C |
584 | | vl=meta_exp_type // no error if use $1 but doesn't type check |
585 | { (fun arity name pure check_meta constraints -> | |
586 | let ty = Some vl in | |
5636bb2c C |
587 | (match constraints with |
588 | Ast0.NotExpCstrt constraints -> | |
589 | List.iter | |
590 | (function c -> | |
591 | match Ast0.unwrap c with | |
592 | Ast0.Constant(_) -> | |
593 | if not | |
594 | (List.exists | |
595 | (function | |
596 | Type_cocci.BaseType(Type_cocci.IntType) -> true | |
597 | | Type_cocci.BaseType(Type_cocci.ShortType) -> true | |
598 | | Type_cocci.BaseType(Type_cocci.LongType) -> true | |
599 | | _ -> false) | |
600 | vl) | |
601 | then | |
602 | failwith "metavariable with int constraint must be an int" | |
603 | | _ -> ()) | |
604 | constraints | |
605 | | _ -> ()); | |
34e49164 | 606 | let tok = check_meta(Ast.MetaExpDecl(arity,name,ty)) in |
5636bb2c | 607 | !Data.add_exp_meta ty name constraints pure; tok) |
951c7801 | 608 | } |
34e49164 | 609 | |
34e49164 | 610 | meta_exp_type: |
978fd7e5 | 611 | t=typedef_ctype |
34e49164 | 612 | { [Ast0_cocci.ast0_type_to_type t] } |
5626f154 C |
613 | | t=typedef_ctype TOCro TCCro |
614 | { [Type_cocci.Array (Ast0_cocci.ast0_type_to_type t)] } | |
34e49164 C |
615 | | TOBrace t=comma_list(ctype) TCBrace m=list(TMul) |
616 | { List.map | |
617 | (function x -> P.ty_pointerify (Ast0_cocci.ast0_type_to_type x) m) | |
618 | t } | |
619 | ||
620 | arity: TBang0 { Ast.UNIQUE } | |
621 | | TWhy0 { Ast.OPT } | |
622 | | TPlus0 { Ast.MULTI } | |
623 | | /* empty */ { Ast.NONE } | |
624 | ||
978fd7e5 C |
625 | /* ---------------------------------------------------------------------- */ |
626 | ||
627 | %inline | |
628 | signable_types: | |
629 | ty=Tchar | |
630 | { Ast0.wrap(Ast0.BaseType(Ast.CharType,[P.clt2mcode "char" ty])) } | |
631 | | ty=Tshort | |
632 | { Ast0.wrap(Ast0.BaseType(Ast.ShortType,[P.clt2mcode "short" ty])) } | |
633 | | ty=Tint | |
634 | { Ast0.wrap(Ast0.BaseType(Ast.IntType,[P.clt2mcode "int" ty])) } | |
635 | | p=TMetaType | |
636 | { let (nm,pure,clt) = p in | |
637 | Ast0.wrap(Ast0.MetaType(P.clt2mcode nm clt,pure)) } | |
638 | | r=TRuleName TDot p=TIdent | |
639 | { let nm = (r,P.id2name p) in | |
640 | (* this is only possible when we are in a metavar decl. Otherwise, | |
641 | it will be represented already as a MetaType *) | |
642 | let _ = P.check_meta(Ast.MetaTypeDecl(Ast.NONE,nm)) in | |
643 | Ast0.wrap(Ast0.MetaType(P.clt2mcode nm (P.id2clt p), | |
644 | Ast0.Impure (*will be ignored*))) } | |
645 | | ty=Tlong | |
646 | { Ast0.wrap(Ast0.BaseType(Ast.LongType,[P.clt2mcode "long" ty])) } | |
647 | | ty1=Tlong ty2=Tlong | |
648 | { Ast0.wrap | |
649 | (Ast0.BaseType | |
650 | (Ast.LongLongType, | |
651 | [P.clt2mcode "long" ty1;P.clt2mcode "long" ty2])) } | |
652 | ||
653 | %inline | |
654 | non_signable_types: | |
655 | ty=Tvoid | |
656 | { Ast0.wrap(Ast0.BaseType(Ast.VoidType,[P.clt2mcode "void" ty])) } | |
657 | | ty=Tdouble | |
658 | { Ast0.wrap(Ast0.BaseType(Ast.DoubleType,[P.clt2mcode "double" ty])) } | |
659 | | ty=Tfloat | |
660 | { Ast0.wrap(Ast0.BaseType(Ast.FloatType,[P.clt2mcode "float" ty])) } | |
1eddfd50 C |
661 | | ty=Tsize_t |
662 | { Ast0.wrap(Ast0.BaseType(Ast.SizeType,[P.clt2mcode "size_t" ty])) } | |
663 | | ty=Tssize_t | |
664 | { Ast0.wrap(Ast0.BaseType(Ast.SSizeType,[P.clt2mcode "ssize_t" ty])) } | |
665 | | ty=Tptrdiff_t | |
666 | { Ast0.wrap(Ast0.BaseType(Ast.PtrDiffType,[P.clt2mcode "ptrdiff_t" ty])) } | |
978fd7e5 | 667 | | s=Tenum i=ident |
c491d8ee C |
668 | { Ast0.wrap(Ast0.EnumName(P.clt2mcode "enum" s, Some i)) } |
669 | | s=Tenum i=ioption(ident) l=TOBrace ids=enum_decl_list r=TCBrace | |
670 | { (if i = None && !Data.in_iso | |
671 | then failwith "enums must be named in the iso file"); | |
672 | Ast0.wrap(Ast0.EnumDef(Ast0.wrap(Ast0.EnumName(P.clt2mcode "enum" s, i)), | |
673 | P.clt2mcode "{" l, ids, P.clt2mcode "}" r)) } | |
ca417fcf | 674 | | s=struct_or_union i=type_ident // allow typedef name |
978fd7e5 | 675 | { Ast0.wrap(Ast0.StructUnionName(s, Some i)) } |
ca417fcf | 676 | | s=struct_or_union i=ioption(type_ident) |
978fd7e5 C |
677 | l=TOBrace d=struct_decl_list r=TCBrace |
678 | { (if i = None && !Data.in_iso | |
679 | then failwith "structures must be named in the iso file"); | |
680 | Ast0.wrap(Ast0.StructUnionDef(Ast0.wrap(Ast0.StructUnionName(s, i)), | |
681 | P.clt2mcode "{" l, | |
682 | d, P.clt2mcode "}" r)) } | |
683 | | s=TMetaType l=TOBrace d=struct_decl_list r=TCBrace | |
684 | { let (nm,pure,clt) = s in | |
685 | let ty = Ast0.wrap(Ast0.MetaType(P.clt2mcode nm clt,pure)) in | |
686 | Ast0.wrap(Ast0.StructUnionDef(ty,P.clt2mcode "{" l,d,P.clt2mcode "}" r)) } | |
687 | | p=TTypeId | |
688 | { Ast0.wrap(Ast0.TypeName(P.id2mcode p)) } | |
689 | ||
690 | %inline | |
691 | all_basic_types: | |
692 | r=Tsigned ty=signable_types | |
693 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Signed r,Some ty)) } | |
694 | | r=Tunsigned ty=signable_types | |
695 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Unsigned r,Some ty)) } | |
696 | | ty=signable_types { ty } | |
697 | | ty=non_signable_types { ty } | |
698 | ||
699 | ctype: | |
700 | cv=ioption(const_vol) ty=all_basic_types m=list(TMul) | |
701 | { P.pointerify (P.make_cv cv ty) m } | |
702 | | r=Tsigned | |
703 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Signed r,None)) } | |
704 | | r=Tunsigned | |
705 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Unsigned r,None)) } | |
706 | | lp=TOPar0 t=midzero_list(ctype,ctype) rp=TCPar0 | |
707 | { let (mids,code) = t in | |
708 | Ast0.wrap | |
709 | (Ast0.DisjType(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } | |
710 | ||
b23ff9c7 C |
711 | mctype: |
712 | | TMeta { tmeta_to_type $1 } | |
713 | | ctype {$1} | |
714 | ||
978fd7e5 C |
715 | /* signed, unsigned alone not allowed */ |
716 | typedef_ctype: | |
717 | cv=ioption(const_vol) ty=all_basic_types m=list(TMul) | |
718 | { P.pointerify (P.make_cv cv ty) m } | |
b23ff9c7 | 719 | | lp=TOPar0 t=midzero_list(mctype,mctype) rp=TCPar0 |
978fd7e5 C |
720 | { let (mids,code) = t in |
721 | Ast0.wrap | |
722 | (Ast0.DisjType(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } | |
b23ff9c7 | 723 | | TMeta { tmeta_to_type $1 } |
978fd7e5 C |
724 | |
725 | /* ---------------------------------------------------------------------- */ | |
34e49164 C |
726 | |
727 | struct_or_union: | |
728 | s=Tstruct { P.clt2mcode Ast.Struct s } | |
729 | | u=Tunion { P.clt2mcode Ast.Union u } | |
730 | ||
731 | struct_decl: | |
c491d8ee C |
732 | TNothing { [] } |
733 | | struct_decl_one { [$1] } | |
734 | ||
735 | struct_decl_one: | |
736 | | TMetaField { P.meta_field $1 } | |
190f1acf | 737 | | TMetaFieldList { P.meta_field_list $1 } |
b23ff9c7 | 738 | | TMeta { tmeta_to_field $1 } |
34e49164 C |
739 | | t=ctype d=d_ident pv=TPtVirg |
740 | { let (id,fn) = d in | |
c491d8ee | 741 | Ast0.wrap(Ast0.UnInit(None,fn t,id,P.clt2mcode ";" pv)) } |
978fd7e5 | 742 | | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
743 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar pv=TPtVirg |
744 | { let (id,fn) = d in | |
745 | let t = | |
746 | Ast0.wrap | |
747 | (Ast0.FunctionPointer | |
748 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
749 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
c491d8ee | 750 | Ast0.wrap(Ast0.UnInit(None,fn t,id,P.clt2mcode ";" pv)) } |
34e49164 C |
751 | | cv=ioption(const_vol) i=pure_ident d=d_ident pv=TPtVirg |
752 | { let (id,fn) = d in | |
753 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
c491d8ee | 754 | Ast0.wrap(Ast0.UnInit(None,fn idtype,id,P.clt2mcode ";" pv)) } |
34e49164 C |
755 | |
756 | struct_decl_list: | |
757 | struct_decl_list_start { Ast0.wrap(Ast0.DOTS($1)) } | |
758 | ||
759 | struct_decl_list_start: | |
760 | struct_decl { $1 } | |
761 | | struct_decl struct_decl_list_start { $1@$2 } | |
c491d8ee C |
762 | | d=edots_when(TEllipsis,struct_decl_one) r=continue_struct_decl_list |
763 | { (P.mkddots_one "..." d)::r } | |
34e49164 C |
764 | |
765 | continue_struct_decl_list: | |
766 | /* empty */ { [] } | |
767 | | struct_decl struct_decl_list_start { $1@$2 } | |
768 | | struct_decl { $1 } | |
769 | ||
34e49164 | 770 | |
c491d8ee C |
771 | /* ---------------------------------------------------------------------- */ |
772 | /* very restricted what kinds of expressions can appear in an enum decl */ | |
773 | ||
774 | enum_decl_one: | |
d3f655c6 C |
775 | | disj_ident { Ast0.wrap(Ast0.Ident($1)) } |
776 | | disj_ident TEq enum_val | |
c491d8ee C |
777 | { let id = Ast0.wrap(Ast0.Ident($1)) in |
778 | Ast0.wrap | |
779 | (Ast0.Assignment | |
780 | (id,P.clt2mcode Ast.SimpleAssign $2,Ast0.set_arg_exp $3, | |
781 | false)) } | |
782 | ||
783 | enum_val: | |
784 | ident { Ast0.wrap(Ast0.Ident($1)) } | |
785 | | TInt | |
786 | { let (x,clt) = $1 in | |
787 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Int x) clt)) } | |
b23ff9c7 | 788 | | TMeta { tmeta_to_exp $1 } |
c491d8ee C |
789 | | TMetaConst |
790 | { let (nm,constraints,pure,ty,clt) = $1 in | |
791 | Ast0.wrap | |
792 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.CONST,pure)) } | |
793 | | TMetaExp | |
794 | { let (nm,constraints,pure,ty,clt) = $1 in | |
795 | Ast0.wrap | |
796 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ANY,pure)) } | |
797 | | TMetaIdExp | |
798 | { let (nm,constraints,pure,ty,clt) = $1 in | |
799 | Ast0.wrap | |
800 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ID,pure)) } | |
801 | ||
802 | enum_decl_list: | |
803 | nonempty_list_start(enum_decl_one,edots_when(TEllipsis,enum_decl_one)) | |
804 | { Ast0.wrap(Ast0.DOTS($1 P.mkedots (fun c -> Ast0.EComma c))) } | |
805 | ||
34e49164 C |
806 | /*****************************************************************************/ |
807 | ||
808 | /* have to inline everything to avoid conflicts? switch to proper | |
809 | declarations, statements, and expressions for the subterms */ | |
810 | ||
faf9a90c | 811 | minus_body: |
34e49164 C |
812 | f=loption(filespec) |
813 | b=loption(minus_start) | |
978fd7e5 C |
814 | /*ew=loption(error_words)*/ |
815 | { match f@b(*@ew*) with | |
34e49164 C |
816 | [] -> raise (Semantic_cocci.Semantic "minus slice can't be empty") |
817 | | code -> Top_level.top_level code } | |
818 | ||
faf9a90c | 819 | plus_body: |
34e49164 C |
820 | f=loption(filespec) |
821 | b=loption(plus_start) | |
978fd7e5 C |
822 | /*ew=loption(error_words)*/ |
823 | { Top_level.top_level (f@b(*@ew*)) } | |
34e49164 C |
824 | |
825 | minus_exp_body: | |
826 | f=loption(filespec) | |
827 | b=top_eexpr | |
978fd7e5 C |
828 | /*ew=loption(error_words)*/ |
829 | { match f@[b](*@ew*) with | |
34e49164 C |
830 | [] -> raise (Semantic_cocci.Semantic "minus slice can't be empty") |
831 | | code -> Top_level.top_level code } | |
832 | ||
833 | plus_exp_body: | |
834 | f=loption(filespec) | |
835 | b=top_eexpr | |
978fd7e5 C |
836 | /*ew=loption(error_words)*/ |
837 | { Top_level.top_level (f@[b](*@ew*)) } | |
34e49164 C |
838 | |
839 | filespec: | |
840 | TMinusFile TPlusFile | |
841 | { [Ast0.wrap | |
842 | (Ast0.FILEINFO(P.id2mcode $1, | |
843 | P.id2mcode $2))] } | |
844 | ||
845 | includes: | |
846 | TIncludeL | |
847 | { Ast0.wrap | |
7f004419 C |
848 | (Ast0.Include(P.clt2mcode "#include" |
849 | (P.drop_pos (P.drop_aft (P.id2clt $1))), | |
34e49164 C |
850 | let (arity,ln,lln,offset,col,strbef,straft,pos) = |
851 | P.id2clt $1 in | |
852 | let clt = | |
853 | (arity,ln,lln,offset,0,strbef,straft,pos) in | |
854 | P.clt2mcode | |
855 | (Ast.Local (Parse_aux.str2inc (P.id2name $1))) | |
856 | (P.drop_bef clt))) } | |
857 | | TIncludeNL | |
858 | { Ast0.wrap | |
7f004419 C |
859 | (Ast0.Include(P.clt2mcode "#include" |
860 | (P.drop_pos (P.drop_aft (P.id2clt $1))), | |
34e49164 C |
861 | let (arity,ln,lln,offset,col,strbef,straft,pos) = |
862 | P.id2clt $1 in | |
863 | let clt = | |
864 | (arity,ln,lln,offset,0,strbef,straft,pos) in | |
865 | P.clt2mcode | |
866 | (Ast.NonLocal (Parse_aux.str2inc (P.id2name $1))) | |
867 | (P.drop_bef clt))) } | |
3a314143 C |
868 | | TUndef TLineEnd |
869 | { let (clt,ident) = $1 in | |
8f657093 | 870 | let aft = P.get_aft clt in (* move stuff after the define to the ident *) |
3a314143 C |
871 | Ast0.wrap |
872 | (Ast0.Undef | |
8f657093 | 873 | (P.clt2mcode "#undef" (P.drop_aft clt), |
3a314143 C |
874 | (match ident with |
875 | TMetaId((nm,constraints,pure,clt)) -> | |
8f657093 | 876 | let clt = P.set_aft aft clt in |
3a314143 | 877 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) |
8f657093 C |
878 | | TIdent((nm,clt)) -> |
879 | let clt = P.set_aft aft clt in | |
880 | Ast0.wrap(Ast0.Id(P.clt2mcode nm clt)) | |
3a314143 C |
881 | | _ -> |
882 | raise | |
883 | (Semantic_cocci.Semantic | |
884 | "unexpected name for a #define")))) } | |
5636bb2c C |
885 | | d=defineop TLineEnd |
886 | { d (Ast0.wrap(Ast0.DOTS([]))) } | |
34e49164 C |
887 | | d=defineop t=ctype TLineEnd |
888 | { let ty = Ast0.wrap(Ast0.TopExp(Ast0.wrap(Ast0.TypeExp(t)))) in | |
889 | d (Ast0.wrap(Ast0.DOTS([ty]))) } | |
890 | | defineop b=toplevel_seq_start(toplevel_after_dots) TLineEnd | |
891 | { let body = | |
892 | match b with | |
893 | [e] -> | |
894 | (match Ast0.unwrap e with | |
895 | Ast0.Exp(e1) -> | |
896 | [Ast0.rewrap e (Ast0.TopExp(Ast0.set_arg_exp (e1)))] | |
897 | | _ -> b) | |
898 | | _ -> b in | |
899 | $1 (Ast0.wrap(Ast0.DOTS(body))) } | |
900 | ||
901 | defineop: | |
902 | TDefine | |
903 | { let (clt,ident) = $1 in | |
8f657093 | 904 | let aft = P.get_aft clt in (* move stuff after the define to the ident *) |
34e49164 C |
905 | function body -> |
906 | Ast0.wrap | |
907 | (Ast0.Define | |
8f657093 | 908 | (P.clt2mcode "#define" (P.drop_aft clt), |
34e49164 C |
909 | (match ident with |
910 | TMetaId((nm,constraints,pure,clt)) -> | |
8f657093 | 911 | let clt = P.set_aft aft clt in |
34e49164 | 912 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) |
8f657093 C |
913 | | TIdent((nm,clt)) -> |
914 | let clt = P.set_aft aft clt in | |
915 | Ast0.wrap(Ast0.Id(P.clt2mcode nm clt)) | |
34e49164 C |
916 | | _ -> |
917 | raise | |
918 | (Semantic_cocci.Semantic | |
919 | "unexpected name for a #define")), | |
920 | Ast0.wrap Ast0.NoParams, | |
921 | body)) } | |
922 | | TDefineParam define_param_list_option TCPar | |
708f4980 | 923 | { let (clt,ident,parenoff,parencol) = $1 in |
8f657093 | 924 | let aft = P.get_aft clt in (* move stuff after the define to the ( *) |
708f4980 | 925 | (* clt is the start of the #define itself *) |
34e49164 C |
926 | let (arity,line,lline,offset,col,strbef,straft,pos) = clt in |
927 | let lp = | |
0708f913 | 928 | P.clt2mcode "(" |
8f657093 | 929 | (arity,line,lline,parenoff,parencol,[],[],[]) in |
34e49164 C |
930 | function body -> |
931 | Ast0.wrap | |
932 | (Ast0.Define | |
8f657093 | 933 | (P.clt2mcode "#define" (P.drop_aft clt), |
34e49164 C |
934 | (match ident with |
935 | TMetaId((nm,constraints,pure,clt)) -> | |
936 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) | |
8f657093 C |
937 | | TIdent((nm,clt)) -> |
938 | Ast0.wrap(Ast0.Id(P.clt2mcode nm clt)) | |
34e49164 C |
939 | | _ -> |
940 | raise | |
941 | (Semantic_cocci.Semantic | |
942 | "unexpected name for a #define")), | |
8f657093 C |
943 | (let clt = P.set_aft aft $3 in |
944 | Ast0.wrap (Ast0.DParams (lp,$2,P.clt2mcode ")" clt))),body)) } | |
34e49164 C |
945 | |
946 | /* ---------------------------------------------------------------------- */ | |
947 | ||
b23ff9c7 | 948 | dparam: mident { Ast0.wrap(Ast0.DParam $1) } |
c491d8ee C |
949 | |
950 | define_param_list_option: | |
951 | empty_list_start(dparam,TEllipsis) | |
952 | { Ast0.wrap | |
953 | (Ast0.DOTS | |
954 | ($1 | |
955 | (fun _ d -> Ast0.wrap(Ast0.DPdots(P.clt2mcode "," d))) | |
956 | (fun c -> Ast0.DPComma c))) } | |
34e49164 C |
957 | |
958 | /*****************************************************************************/ | |
959 | ||
960 | funproto: | |
961 | s=ioption(storage) t=ctype | |
b23ff9c7 | 962 | id=fn_ident lp=TOPar d=decl_list(name_opt_decl) rp=TCPar pt=TPtVirg |
34e49164 C |
963 | { Ast0.wrap |
964 | (Ast0.UnInit | |
965 | (s, | |
966 | Ast0.wrap | |
967 | (Ast0.FunctionType(Some t, | |
968 | P.clt2mcode "(" lp, d, P.clt2mcode ")" rp)), | |
969 | id, P.clt2mcode ";" pt)) } | |
34e49164 C |
970 | |
971 | fundecl: | |
972 | f=fninfo | |
b23ff9c7 | 973 | TFunDecl i=fn_ident lp=TOPar d=decl_list(decl) rp=TCPar |
34e49164 | 974 | lb=TOBrace b=fun_start rb=TCBrace |
978fd7e5 C |
975 | { P.verify_parameter_declarations (Ast0.undots d); |
976 | Ast0.wrap(Ast0.FunDecl((Ast0.default_info(),Ast0.context_befaft()), | |
34e49164 C |
977 | f, i, |
978 | P.clt2mcode "(" lp, d, | |
979 | P.clt2mcode ")" rp, | |
980 | P.clt2mcode "{" lb, b, | |
981 | P.clt2mcode "}" rb)) } | |
982 | ||
983 | fninfo: | |
984 | /* empty */ { [] } | |
985 | | storage fninfo | |
986 | { try | |
987 | let _ = | |
988 | List.find (function Ast0.FStorage(_) -> true | _ -> false) $2 in | |
989 | raise (Semantic_cocci.Semantic "duplicate storage") | |
990 | with Not_found -> (Ast0.FStorage($1))::$2 } | |
978fd7e5 | 991 | | t=ctype r=fninfo_nt { (Ast0.FType(t))::r } |
34e49164 C |
992 | | Tinline fninfo |
993 | { try | |
994 | let _ = List.find (function Ast0.FInline(_) -> true | _ -> false) $2 in | |
995 | raise (Semantic_cocci.Semantic "duplicate inline") | |
996 | with Not_found -> (Ast0.FInline(P.clt2mcode "inline" $1))::$2 } | |
997 | | Tattr fninfo | |
998 | { try | |
999 | let _ = List.find (function Ast0.FAttr(_) -> true | _ -> false) $2 in | |
1000 | raise (Semantic_cocci.Semantic "multiple attributes") | |
1001 | with Not_found -> (Ast0.FAttr(P.id2mcode $1))::$2 } | |
1002 | ||
1003 | fninfo_nt: | |
1004 | /* empty */ { [] } | |
1005 | | storage fninfo_nt | |
1006 | { try | |
1007 | let _ = | |
1008 | List.find (function Ast0.FStorage(_) -> true | _ -> false) $2 in | |
1009 | raise (Semantic_cocci.Semantic "duplicate storage") | |
1010 | with Not_found -> (Ast0.FStorage($1))::$2 } | |
1011 | | Tinline fninfo_nt | |
1012 | { try | |
1013 | let _ = List.find (function Ast0.FInline(_) -> true | _ -> false) $2 in | |
1014 | raise (Semantic_cocci.Semantic "duplicate inline") | |
1015 | with Not_found -> (Ast0.FInline(P.clt2mcode "inline" $1))::$2 } | |
1016 | | Tattr fninfo_nt | |
1017 | { try | |
1018 | let _ = List.find (function Ast0.FAttr(_) -> true | _ -> false) $2 in | |
1019 | raise (Semantic_cocci.Semantic "duplicate init") | |
1020 | with Not_found -> (Ast0.FAttr(P.id2mcode $1))::$2 } | |
1021 | ||
1022 | storage: | |
1023 | s=Tstatic { P.clt2mcode Ast.Static s } | |
1024 | | s=Tauto { P.clt2mcode Ast.Auto s } | |
1025 | | s=Tregister { P.clt2mcode Ast.Register s } | |
1026 | | s=Textern { P.clt2mcode Ast.Extern s } | |
1027 | ||
190f1acf C |
1028 | decl: t=ctype i=disj_ident a=list(array_dec) |
1029 | { let t = P.arrayify t a in Ast0.wrap(Ast0.Param(t, Some i)) } | |
978fd7e5 | 1030 | | t=ctype { (*verify in FunDecl*) Ast0.wrap(Ast0.Param(t, None)) } |
d3f655c6 | 1031 | | t=ctype lp=TOPar s=TMul i=disj_ident rp=TCPar |
34e49164 C |
1032 | lp1=TOPar d=decl_list(name_opt_decl) rp1=TCPar |
1033 | { let fnptr = | |
1034 | Ast0.wrap | |
1035 | (Ast0.FunctionPointer | |
1036 | (t,P.clt2mcode "(" lp,P.clt2mcode "*" s,P.clt2mcode ")" rp, | |
1037 | P.clt2mcode "(" lp1,d,P.clt2mcode ")" rp1)) in | |
1038 | Ast0.wrap(Ast0.Param(fnptr, Some i)) } | |
34e49164 C |
1039 | | TMetaParam |
1040 | { let (nm,pure,clt) = $1 in | |
1041 | Ast0.wrap(Ast0.MetaParam(P.clt2mcode nm clt,pure)) } | |
b23ff9c7 | 1042 | | TMeta { tmeta_to_param $1 } |
34e49164 C |
1043 | |
1044 | name_opt_decl: | |
1045 | decl { $1 } | |
978fd7e5 | 1046 | | t=ctype lp=TOPar s=TMul rp=TCPar |
34e49164 C |
1047 | lp1=TOPar d=decl_list(name_opt_decl) rp1=TCPar |
1048 | { let fnptr = | |
1049 | Ast0.wrap | |
1050 | (Ast0.FunctionPointer | |
1051 | (t,P.clt2mcode "(" lp,P.clt2mcode "*" s,P.clt2mcode ")" rp, | |
1052 | P.clt2mcode "(" lp1,d,P.clt2mcode ")" rp1)) in | |
1053 | Ast0.wrap(Ast0.Param(fnptr, None)) } | |
1054 | ||
1055 | const_vol: | |
1056 | Tconst { P.clt2mcode Ast.Const $1 } | |
1057 | | Tvolatile { P.clt2mcode Ast.Volatile $1 } | |
1058 | ||
1059 | /*****************************************************************************/ | |
1060 | ||
1061 | statement: | |
1062 | includes { $1 } /* shouldn't be allowed to be a single_statement... */ | |
b23ff9c7 | 1063 | | TMeta { tmeta_to_statement $1} |
34e49164 C |
1064 | | TMetaStm |
1065 | { P.meta_stm $1 } | |
1066 | | expr TPtVirg | |
1067 | { P.exp_stm $1 $2 } | |
1068 | | TIf TOPar eexpr TCPar single_statement %prec TIf | |
1069 | { P.ifthen $1 $2 $3 $4 $5 } | |
1070 | | TIf TOPar eexpr TCPar single_statement TElse single_statement | |
1071 | { P.ifthenelse $1 $2 $3 $4 $5 $6 $7 } | |
1072 | | TFor TOPar option(eexpr) TPtVirg option(eexpr) TPtVirg | |
1073 | option(eexpr) TCPar single_statement | |
1074 | { P.forloop $1 $2 $3 $4 $5 $6 $7 $8 $9 } | |
1075 | | TWhile TOPar eexpr TCPar single_statement | |
1076 | { P.whileloop $1 $2 $3 $4 $5 } | |
1077 | | TDo single_statement TWhile TOPar eexpr TCPar TPtVirg | |
1078 | { P.doloop $1 $2 $3 $4 $5 $6 $7 } | |
1079 | | iter_ident TOPar eexpr_list_option TCPar single_statement | |
1080 | { P.iterator $1 $2 $3 $4 $5 } | |
fc1ad971 C |
1081 | | TSwitch TOPar eexpr TCPar TOBrace list(decl_var) list(case_line) TCBrace |
1082 | { P.switch $1 $2 $3 $4 $5 (List.concat $6) $7 $8 } | |
34e49164 C |
1083 | | TReturn eexpr TPtVirg { P.ret_exp $1 $2 $3 } |
1084 | | TReturn TPtVirg { P.ret $1 $2 } | |
1085 | | TBreak TPtVirg { P.break $1 $2 } | |
1086 | | TContinue TPtVirg { P.cont $1 $2 } | |
b23ff9c7 | 1087 | | mident TDotDot { P.label $1 $2 } |
d3f655c6 | 1088 | | TGoto disj_ident TPtVirg { P.goto $1 $2 $3 } |
34e49164 C |
1089 | | TOBrace fun_start TCBrace |
1090 | { P.seq $1 $2 $3 } | |
1091 | ||
1092 | stm_dots: | |
1093 | TEllipsis w=list(whenppdecs) | |
1094 | { Ast0.wrap(Ast0.Dots(P.clt2mcode "..." $1, List.concat w)) } | |
1095 | | TOEllipsis w=list(whenppdecs) b=nest_start c=TCEllipsis | |
1096 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<..." $1, b, | |
1097 | P.clt2mcode "...>" c, List.concat w, false)) } | |
1098 | | TPOEllipsis w=list(whenppdecs) b=nest_start c=TPCEllipsis | |
1099 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<+..." $1, b, | |
1100 | P.clt2mcode "...+>" c, List.concat w, true)) } | |
1101 | ||
faf9a90c C |
1102 | %inline stm_dots_ell: |
1103 | a=TEllipsis w=list(whenppdecs) | |
1104 | { Ast0.wrap(Ast0.Dots(P.clt2mcode "..." a, List.concat w)) } | |
1105 | ||
1106 | %inline stm_dots_nest: | |
1107 | a=TOEllipsis w=list(whenppdecs) b=nest_start c=TCEllipsis | |
1108 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<..." a, b, | |
1109 | P.clt2mcode "...>" c, List.concat w, false)) } | |
1110 | | a=TPOEllipsis w=list(whenppdecs) b=nest_start c=TPCEllipsis | |
1111 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<+..." a, b, | |
1112 | P.clt2mcode "...+>" c, List.concat w, true)) } | |
1113 | ||
708f4980 | 1114 | whenppdecs: w=whens(when_start,rule_elem_statement,any_strict) |
34e49164 C |
1115 | { w } |
1116 | ||
1117 | /* a statement that fits into a single rule_elem. should nests be included? | |
1118 | what about statement metavariables? */ | |
1119 | rule_elem_statement: | |
1120 | one_decl_var | |
1121 | { Ast0.wrap(Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),$1)) } | |
1122 | | expr TPtVirg { P.exp_stm $1 $2 } | |
1123 | | TReturn eexpr TPtVirg { P.ret_exp $1 $2 $3 } | |
1124 | | TReturn TPtVirg { P.ret $1 $2 } | |
1125 | | TBreak TPtVirg { P.break $1 $2 } | |
1126 | | TContinue TPtVirg { P.cont $1 $2 } | |
1127 | | TOPar0 midzero_list(rule_elem_statement,rule_elem_statement) TCPar0 | |
1128 | { let (mids,code) = $2 in | |
1129 | Ast0.wrap | |
1130 | (Ast0.Disj(P.clt2mcode "(" $1, | |
1131 | List.map (function x -> Ast0.wrap(Ast0.DOTS([x]))) code, | |
1132 | mids, P.clt2mcode ")" $3)) } | |
1133 | ||
1134 | /* a statement on its own */ | |
1135 | single_statement: | |
1136 | statement { $1 } | |
1137 | | TOPar0 midzero_list(statement,statement) TCPar0 | |
1138 | /* degenerate case, elements are single statements and thus don't | |
1139 | contain dots */ | |
1140 | { let (mids,code) = $2 in | |
1141 | Ast0.wrap | |
1142 | (Ast0.Disj(P.clt2mcode "(" $1, | |
1143 | List.map (function x -> Ast0.wrap(Ast0.DOTS([x]))) code, | |
1144 | mids, P.clt2mcode ")" $3)) } | |
1145 | ||
1146 | case_line: | |
1147 | TDefault TDotDot fun_start | |
fc1ad971 C |
1148 | { Ast0.wrap |
1149 | (Ast0.Default(P.clt2mcode "default" $1,P.clt2mcode ":" $2,$3)) } | |
34e49164 C |
1150 | | TCase eexpr TDotDot fun_start |
1151 | { Ast0.wrap(Ast0.Case(P.clt2mcode "case" $1,$2,P.clt2mcode ":" $3,$4)) } | |
fc1ad971 C |
1152 | /* | lp=TOPar0 t=midzero_list(case_line,case_line) rp=TCPar0 |
1153 | { let (mids,code) = ([],[t]) in | |
1154 | Ast0.wrap | |
1155 | (Ast0.DisjCase(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } */ | |
34e49164 C |
1156 | |
1157 | /* In the following, an identifier as a type is not fully supported. Indeed, | |
1158 | the language is ambiguous: what is foo * bar; */ | |
1159 | /* The AST DisjDecl cannot be generated because it would be ambiguous with | |
1160 | a disjunction on a statement with a declaration in each branch */ | |
1161 | decl_var: | |
1162 | t=ctype pv=TPtVirg | |
1163 | { [Ast0.wrap(Ast0.TyDecl(t,P.clt2mcode ";" pv))] } | |
413ffc02 | 1164 | | TMetaDecl { [P.meta_decl $1] } |
34e49164 C |
1165 | | s=ioption(storage) t=ctype d=comma_list(d_ident) pv=TPtVirg |
1166 | { List.map | |
1167 | (function (id,fn) -> | |
1168 | Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv))) | |
1169 | d } | |
1170 | | f=funproto { [f] } | |
1171 | | s=ioption(storage) t=ctype d=d_ident q=TEq e=initialize pv=TPtVirg | |
1172 | {let (id,fn) = d in | |
1173 | [Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv))]} | |
1174 | /* type is a typedef name */ | |
1175 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident | |
1176 | d=comma_list(d_ident) pv=TPtVirg | |
1177 | { List.map | |
1178 | (function (id,fn) -> | |
1179 | let idtype = | |
1180 | P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1181 | Ast0.wrap(Ast0.UnInit(s,fn idtype,id,P.clt2mcode ";" pv))) | |
1182 | d } | |
1183 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident d=d_ident q=TEq | |
1184 | e=initialize pv=TPtVirg | |
1185 | { let (id,fn) = d in | |
1186 | !Data.add_type_name (P.id2name i); | |
1187 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1188 | [Ast0.wrap(Ast0.Init(s,fn idtype,id,P.clt2mcode "=" q,e, | |
1189 | P.clt2mcode ";" pv))] } | |
1190 | /* function pointer type */ | |
1191 | | s=ioption(storage) | |
978fd7e5 | 1192 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1193 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1194 | pv=TPtVirg | |
1195 | { let (id,fn) = d in | |
1196 | let t = | |
1197 | Ast0.wrap | |
1198 | (Ast0.FunctionPointer | |
1199 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1200 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1201 | [Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv))] } | |
1202 | | decl_ident TOPar eexpr_list_option TCPar TPtVirg | |
1203 | { [Ast0.wrap(Ast0.MacroDecl($1,P.clt2mcode "(" $2,$3, | |
faf9a90c | 1204 | P.clt2mcode ")" $4,P.clt2mcode ";" $5))] } |
34e49164 | 1205 | | s=ioption(storage) |
978fd7e5 | 1206 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1207 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1208 | q=TEq e=initialize pv=TPtVirg | |
1209 | { let (id,fn) = d in | |
1210 | let t = | |
1211 | Ast0.wrap | |
1212 | (Ast0.FunctionPointer | |
1213 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1214 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1215 | [Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv))]} | |
002099fc | 1216 | | s=Ttypedef t=typedef_ctype id=comma_list(typedef_ident) pv=TPtVirg |
34e49164 | 1217 | { let s = P.clt2mcode "typedef" s in |
002099fc C |
1218 | List.map |
1219 | (function id -> | |
1220 | Ast0.wrap(Ast0.Typedef(s,t,id,P.clt2mcode ";" pv))) | |
1221 | id } | |
34e49164 C |
1222 | |
1223 | one_decl_var: | |
1224 | t=ctype pv=TPtVirg | |
1225 | { Ast0.wrap(Ast0.TyDecl(t,P.clt2mcode ";" pv)) } | |
413ffc02 | 1226 | | TMetaDecl { P.meta_decl $1 } |
34e49164 C |
1227 | | s=ioption(storage) t=ctype d=d_ident pv=TPtVirg |
1228 | { let (id,fn) = d in | |
1229 | Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv)) } | |
1230 | | f=funproto { f } | |
1231 | | s=ioption(storage) t=ctype d=d_ident q=TEq e=initialize pv=TPtVirg | |
1232 | { let (id,fn) = d in | |
1233 | Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv)) } | |
1234 | /* type is a typedef name */ | |
1235 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident | |
1236 | d=d_ident pv=TPtVirg | |
1237 | { let (id,fn) = d in | |
1238 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1239 | Ast0.wrap(Ast0.UnInit(s,fn idtype,id,P.clt2mcode ";" pv)) } | |
1240 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident d=d_ident q=TEq | |
1241 | e=initialize pv=TPtVirg | |
1242 | { let (id,fn) = d in | |
1243 | !Data.add_type_name (P.id2name i); | |
1244 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1245 | Ast0.wrap(Ast0.Init(s,fn idtype,id,P.clt2mcode "=" q,e, | |
1246 | P.clt2mcode ";" pv)) } | |
1247 | /* function pointer type */ | |
1248 | | s=ioption(storage) | |
978fd7e5 | 1249 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1250 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1251 | pv=TPtVirg | |
1252 | { let (id,fn) = d in | |
1253 | let t = | |
1254 | Ast0.wrap | |
1255 | (Ast0.FunctionPointer | |
1256 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1257 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1258 | Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv)) } | |
1259 | | decl_ident TOPar eexpr_list_option TCPar TPtVirg | |
1260 | { Ast0.wrap(Ast0.MacroDecl($1,P.clt2mcode "(" $2,$3, | |
faf9a90c | 1261 | P.clt2mcode ")" $4,P.clt2mcode ";" $5)) } |
34e49164 | 1262 | | s=ioption(storage) |
978fd7e5 | 1263 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1264 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1265 | q=TEq e=initialize pv=TPtVirg | |
1266 | { let (id,fn) = d in | |
1267 | let t = | |
1268 | Ast0.wrap | |
1269 | (Ast0.FunctionPointer | |
1270 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1271 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1272 | Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv))} | |
1273 | ||
1274 | ||
1275 | d_ident: | |
d3f655c6 | 1276 | disj_ident list(array_dec) |
190f1acf | 1277 | { ($1, function t -> P.arrayify t $2) } |
34e49164 C |
1278 | |
1279 | array_dec: l=TOCro i=option(eexpr) r=TCCro { (l,i,r) } | |
1280 | ||
1281 | initialize: | |
1282 | eexpr | |
1283 | { Ast0.wrap(Ast0.InitExpr($1)) } | |
1284 | | TOBrace initialize_list TCBrace | |
c491d8ee C |
1285 | { if P.struct_initializer $2 |
1286 | then | |
1287 | let il = P.drop_dot_commas $2 in | |
1288 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,il,P.clt2mcode "}" $3,false)) | |
1289 | else | |
1290 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,$2,P.clt2mcode "}" $3,true)) } | |
113803cf C |
1291 | | TMetaInit |
1292 | {let (nm,pure,clt) = $1 in | |
1293 | Ast0.wrap(Ast0.MetaInit(P.clt2mcode nm clt,pure)) } | |
34e49164 C |
1294 | |
1295 | initialize2: | |
1296 | /*arithexpr and not eexpr because can have ambiguity with comma*/ | |
1297 | /*dots and nests probably not allowed at top level, haven't looked into why*/ | |
1298 | arith_expr(eexpr,invalid) { Ast0.wrap(Ast0.InitExpr($1)) } | |
1299 | | TOBrace initialize_list TCBrace | |
c491d8ee C |
1300 | { if P.struct_initializer $2 |
1301 | then | |
1302 | let il = P.drop_dot_commas $2 in | |
1303 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,il,P.clt2mcode "}" $3,false)) | |
1304 | else | |
1305 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,$2,P.clt2mcode "}" $3,true)) } | |
34e49164 | 1306 | /* gccext:, labeled elements */ |
c491d8ee | 1307 | | list(designator) TEq initialize2 /*can we have another of these on the rhs?*/ |
113803cf | 1308 | { Ast0.wrap(Ast0.InitGccExt($1,P.clt2mcode "=" $2,$3)) } |
b23ff9c7 | 1309 | | mident TDotDot initialize2 |
34e49164 | 1310 | { Ast0.wrap(Ast0.InitGccName($1,P.clt2mcode ":" $2,$3)) } /* in old kernel */ |
8f657093 C |
1311 | | TMetaInit |
1312 | {let (nm,pure,clt) = $1 in | |
1313 | Ast0.wrap(Ast0.MetaInit(P.clt2mcode nm clt,pure)) } | |
1314 | | TMetaInitList | |
1315 | {let (nm,lenname,pure,clt) = $1 in | |
1316 | let nm = P.clt2mcode nm clt in | |
1317 | let lenname = | |
1318 | match lenname with | |
1319 | Ast.AnyLen -> Ast0.AnyListLen | |
1320 | | Ast.MetaLen nm -> Ast0.MetaListLen(P.clt2mcode nm clt) | |
1321 | | Ast.CstLen n -> Ast0.CstListLen n in | |
1322 | Ast0.wrap(Ast0.MetaInitList(nm,lenname,pure)) } | |
113803cf | 1323 | |
951c7801 | 1324 | designator: |
d3f655c6 | 1325 | | TDot disj_ident |
951c7801 C |
1326 | { Ast0.DesignatorField (P.clt2mcode "." $1,$2) } |
1327 | | TOCro eexpr TCCro | |
113803cf | 1328 | { Ast0.DesignatorIndex (P.clt2mcode "[" $1,$2,P.clt2mcode "]" $3) } |
951c7801 | 1329 | | TOCro eexpr TEllipsis eexpr TCCro |
113803cf C |
1330 | { Ast0.DesignatorRange (P.clt2mcode "[" $1,$2,P.clt2mcode "..." $3, |
1331 | $4,P.clt2mcode "]" $5) } | |
34e49164 C |
1332 | |
1333 | initialize_list: | |
c491d8ee C |
1334 | empty_list_start(initialize2,edots_when(TEllipsis,initialize)) |
1335 | { Ast0.wrap(Ast0.DOTS($1 P.mkidots (fun c -> Ast0.IComma c))) } | |
34e49164 C |
1336 | |
1337 | /* a statement that is part of a list */ | |
1338 | decl_statement: | |
1339 | TMetaStmList | |
1340 | { let (nm,pure,clt) = $1 in | |
1341 | [Ast0.wrap(Ast0.MetaStmt(P.clt2mcode nm clt,pure))] } | |
1342 | | decl_var | |
1343 | { List.map | |
1344 | (function x -> | |
1345 | Ast0.wrap | |
1346 | (Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),x))) | |
1347 | $1 } | |
1348 | | statement { [$1] } | |
1349 | /* this doesn't allow expressions at top level, because the parser doesn't | |
1350 | know whether there is one. If there is one, this is not sequencible. | |
1351 | If there is not one, then it is. It seems complicated to get around | |
1352 | this at the parser level. We would have to have a check afterwards to | |
1353 | allow this. One case where this would be useful is for a when. Now | |
1354 | we allow a sequence of whens, so one can be on only statements and | |
1355 | one can be on only expressions. */ | |
1356 | | TOPar0 t=midzero_list(fun_start,fun_start) TCPar0 | |
1357 | { let (mids,code) = t in | |
1358 | if List.for_all | |
1359 | (function x -> | |
1360 | match Ast0.unwrap x with Ast0.DOTS([]) -> true | _ -> false) | |
1361 | code | |
1362 | then [] | |
1363 | else | |
1364 | [Ast0.wrap(Ast0.Disj(P.clt2mcode "(" $1, code, mids, | |
1365 | P.clt2mcode ")" $3))] } | |
1366 | ||
1367 | /* a statement that is part of a list */ | |
1368 | decl_statement_expr: | |
1369 | TMetaStmList | |
1370 | { let (nm,pure,clt) = $1 in | |
1371 | [Ast0.wrap(Ast0.MetaStmt(P.clt2mcode nm clt,pure))] } | |
1372 | | decl_var | |
1373 | { List.map | |
1374 | (function x -> | |
1375 | Ast0.wrap | |
1376 | (Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),x))) | |
1377 | $1 } | |
1378 | | statement { [$1] } | |
1379 | /* this doesn't allow expressions at top level, because the parser doesn't | |
1380 | know whether there is one. If there is one, this is not sequencible. | |
1381 | If there is not one, then it is. It seems complicated to get around | |
1382 | this at the parser level. We would have to have a check afterwards to | |
1383 | allow this. One case where this would be useful is for a when. Now | |
1384 | we allow a sequence of whens, so one can be on only statements and | |
1385 | one can be on only expressions. */ | |
1386 | | TOPar0 t=midzero_list(fun_after_stm,fun_after_dots_or) TCPar0 | |
1387 | { let (mids,code) = t in | |
1388 | if List.for_all (function [] -> true | _ -> false) code | |
1389 | then [] | |
1390 | else | |
1391 | let dot_code = | |
1392 | List.map (function x -> Ast0.wrap(Ast0.DOTS x)) code in | |
1393 | [Ast0.wrap(Ast0.Disj(P.clt2mcode "(" $1, dot_code, mids, | |
1394 | P.clt2mcode ")" $3))] } | |
1395 | ||
1396 | /*****************************************************************************/ | |
1397 | ||
3a314143 C |
1398 | /* expr cannot contain <... ...> at the top level. This can only |
1399 | be allowed as an expression when the expression is delimited on the left | |
1400 | by an expression-specific marker. In that case, the rule eexpr is used, which | |
34e49164 | 1401 | allows <... ...> anywhere. Hopefully, this will not be too much of a problem |
3a314143 C |
1402 | in practice. |
1403 | dot_expressions is the most permissive. all three kinds of expressions use | |
1404 | this once an expression_specific token has been seen */ | |
34e49164 C |
1405 | expr: basic_expr(expr,invalid) { $1 } |
1406 | /* allows ... and nests */ | |
1407 | eexpr: basic_expr(eexpr,dot_expressions) { $1 } | |
1408 | /* allows nests but not .... */ | |
1409 | dexpr: basic_expr(eexpr,nest_expressions) { $1 } | |
1410 | ||
1411 | top_eexpr: | |
1412 | eexpr { Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Exp($1)))) } | |
1413 | ||
1414 | invalid: | |
1415 | TInvalid { raise (Semantic_cocci.Semantic "not matchable") } | |
1416 | ||
1417 | dot_expressions: | |
1418 | TEllipsis { Ast0.wrap(Ast0.Edots(P.clt2mcode "..." $1,None)) } | |
1419 | | nest_expressions { $1 } | |
1420 | ||
485bce71 | 1421 | /* not clear what whencode would mean, so just drop it */ |
34e49164 | 1422 | nest_expressions: |
485bce71 | 1423 | TOEllipsis e=expr_dots(TEllipsis) c=TCEllipsis |
34e49164 C |
1424 | { Ast0.wrap(Ast0.NestExpr(P.clt2mcode "<..." $1, |
1425 | Ast0.wrap(Ast0.DOTS(e (P.mkedots "..."))), | |
485bce71 C |
1426 | P.clt2mcode "...>" c, None, false)) } |
1427 | | TPOEllipsis e=expr_dots(TEllipsis) c=TPCEllipsis | |
34e49164 C |
1428 | { Ast0.wrap(Ast0.NestExpr(P.clt2mcode "<+..." $1, |
1429 | Ast0.wrap(Ast0.DOTS(e (P.mkedots "..."))), | |
485bce71 | 1430 | P.clt2mcode "...+>" c, None, true)) } |
b23ff9c7 | 1431 | | TMeta { tmeta_to_exp $1 } |
34e49164 | 1432 | |
485bce71 | 1433 | //whenexp: TWhen TNotEq w=eexpr TLineEnd { w } |
34e49164 C |
1434 | |
1435 | basic_expr(recurser,primary_extra): | |
ca417fcf | 1436 | assign_expr(recurser,primary_extra) { $1 } |
34e49164 C |
1437 | |
1438 | assign_expr(r,pe): | |
1439 | cond_expr(r,pe) { $1 } | |
1440 | | unary_expr(r,pe) TAssign assign_expr_bis | |
1441 | { let (op,clt) = $2 in | |
1442 | Ast0.wrap(Ast0.Assignment($1,P.clt2mcode op clt, | |
1443 | Ast0.set_arg_exp $3,false)) } | |
1444 | | unary_expr(r,pe) TEq assign_expr_bis | |
1445 | { Ast0.wrap | |
1446 | (Ast0.Assignment | |
1447 | ($1,P.clt2mcode Ast.SimpleAssign $2,Ast0.set_arg_exp $3,false)) } | |
1448 | ||
1449 | assign_expr_bis: | |
1450 | cond_expr(eexpr,dot_expressions) { $1 } | |
1451 | | unary_expr(eexpr,dot_expressions) TAssign assign_expr_bis | |
1452 | { let (op,clt) = $2 in | |
1453 | Ast0.wrap(Ast0.Assignment($1,P.clt2mcode op clt, | |
1454 | Ast0.set_arg_exp $3,false)) } | |
1455 | | unary_expr(eexpr,dot_expressions) TEq assign_expr_bis | |
1456 | { Ast0.wrap | |
1457 | (Ast0.Assignment | |
1458 | ($1,P.clt2mcode Ast.SimpleAssign $2,Ast0.set_arg_exp $3,false)) } | |
1459 | ||
1460 | cond_expr(r,pe): | |
1461 | arith_expr(r,pe) { $1 } | |
3a314143 | 1462 | | l=arith_expr(r,pe) w=TWhy t=option(eexpr) dd=TDotDot r=eexpr/*see parser_c*/ |
34e49164 C |
1463 | { Ast0.wrap(Ast0.CondExpr (l, P.clt2mcode "?" w, t, |
1464 | P.clt2mcode ":" dd, r)) } | |
1465 | ||
1466 | arith_expr(r,pe): | |
1467 | cast_expr(r,pe) { $1 } | |
3a314143 | 1468 | | arith_expr(r,pe) TMul arith_expr_bis |
34e49164 | 1469 | { P.arith_op Ast.Mul $1 $2 $3 } |
3a314143 | 1470 | | arith_expr(r,pe) TDmOp arith_expr_bis |
34e49164 | 1471 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } |
3a314143 | 1472 | | arith_expr(r,pe) TPlus arith_expr_bis |
34e49164 | 1473 | { P.arith_op Ast.Plus $1 $2 $3 } |
3a314143 | 1474 | | arith_expr(r,pe) TMinus arith_expr_bis |
34e49164 | 1475 | { P.arith_op Ast.Minus $1 $2 $3 } |
3a314143 | 1476 | | arith_expr(r,pe) TShLOp arith_expr_bis |
413ffc02 | 1477 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } |
3a314143 | 1478 | | arith_expr(r,pe) TShROp arith_expr_bis |
34e49164 | 1479 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } |
3a314143 | 1480 | | arith_expr(r,pe) TLogOp arith_expr_bis |
34e49164 | 1481 | { let (op,clt) = $2 in P.logic_op op $1 clt $3 } |
3a314143 | 1482 | | arith_expr(r,pe) TEqEq arith_expr_bis |
34e49164 | 1483 | { P.logic_op Ast.Eq $1 $2 $3 } |
3a314143 | 1484 | | arith_expr(r,pe) TNotEq arith_expr_bis |
34e49164 | 1485 | { P.logic_op Ast.NotEq $1 $2 $3 } |
3a314143 | 1486 | | arith_expr(r,pe) TAnd arith_expr_bis |
34e49164 | 1487 | { P.arith_op Ast.And $1 $2 $3 } |
3a314143 | 1488 | | arith_expr(r,pe) TOr arith_expr_bis |
34e49164 | 1489 | { P.arith_op Ast.Or $1 $2 $3 } |
3a314143 | 1490 | | arith_expr(r,pe) TXor arith_expr_bis |
34e49164 | 1491 | { P.arith_op Ast.Xor $1 $2 $3 } |
3a314143 | 1492 | | arith_expr(r,pe) TAndLog arith_expr_bis |
34e49164 | 1493 | { P.logic_op Ast.AndLog $1 $2 $3 } |
3a314143 | 1494 | | arith_expr(r,pe) TOrLog arith_expr_bis |
34e49164 C |
1495 | { P.logic_op Ast.OrLog $1 $2 $3 } |
1496 | ||
3a314143 C |
1497 | // allows dots now that an expression-specific token has been seen |
1498 | // need an extra rule because of recursion restrictions | |
1499 | arith_expr_bis: | |
1500 | cast_expr(eexpr,dot_expressions) { $1 } | |
1501 | | arith_expr_bis TMul arith_expr_bis | |
1502 | { P.arith_op Ast.Mul $1 $2 $3 } | |
1503 | | arith_expr_bis TDmOp arith_expr_bis | |
1504 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } | |
1505 | | arith_expr_bis TPlus arith_expr_bis | |
1506 | { P.arith_op Ast.Plus $1 $2 $3 } | |
1507 | | arith_expr_bis TMinus arith_expr_bis | |
1508 | { P.arith_op Ast.Minus $1 $2 $3 } | |
1509 | | arith_expr_bis TShLOp arith_expr_bis | |
1510 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } | |
1511 | | arith_expr_bis TShROp arith_expr_bis | |
1512 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } | |
1513 | | arith_expr_bis TLogOp arith_expr_bis | |
1514 | { let (op,clt) = $2 in P.logic_op op $1 clt $3 } | |
1515 | | arith_expr_bis TEqEq arith_expr_bis | |
1516 | { P.logic_op Ast.Eq $1 $2 $3 } | |
1517 | | arith_expr_bis TNotEq arith_expr_bis | |
1518 | { P.logic_op Ast.NotEq $1 $2 $3 } | |
1519 | | arith_expr_bis TAnd arith_expr_bis | |
1520 | { P.arith_op Ast.And $1 $2 $3 } | |
1521 | | arith_expr_bis TOr arith_expr_bis | |
1522 | { P.arith_op Ast.Or $1 $2 $3 } | |
1523 | | arith_expr_bis TXor arith_expr_bis | |
1524 | { P.arith_op Ast.Xor $1 $2 $3 } | |
1525 | | arith_expr_bis TAndLog arith_expr_bis | |
1526 | { P.logic_op Ast.AndLog $1 $2 $3 } | |
1527 | // no OrLog because it is left associative and this is for | |
1528 | // a right argument, not sure why not the same problem for AndLog | |
1529 | ||
34e49164 C |
1530 | cast_expr(r,pe): |
1531 | unary_expr(r,pe) { $1 } | |
1532 | | lp=TOPar t=ctype rp=TCPar e=cast_expr(r,pe) | |
1533 | { Ast0.wrap(Ast0.Cast (P.clt2mcode "(" lp, t, | |
1534 | P.clt2mcode ")" rp, e)) } | |
1535 | ||
1536 | unary_expr(r,pe): | |
1537 | postfix_expr(r,pe) { $1 } | |
3a314143 | 1538 | | TInc unary_expr_bis |
34e49164 | 1539 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Inc $1)) } |
3a314143 | 1540 | | TDec unary_expr_bis |
34e49164 | 1541 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Dec $1)) } |
0708f913 | 1542 | | unary_op cast_expr(r,pe) |
34e49164 | 1543 | { let mcode = $1 in Ast0.wrap(Ast0.Unary($2, mcode)) } |
3a314143 C |
1544 | | TBang unary_expr_bis |
1545 | { let mcode = P.clt2mcode Ast.Not $1 in | |
1546 | Ast0.wrap(Ast0.Unary($2, mcode)) } | |
1547 | | TSizeof unary_expr_bis | |
1548 | { Ast0.wrap(Ast0.SizeOfExpr (P.clt2mcode "sizeof" $1, $2)) } | |
1549 | | s=TSizeof lp=TOPar t=ctype rp=TCPar | |
1550 | { Ast0.wrap(Ast0.SizeOfType (P.clt2mcode "sizeof" s, | |
1551 | P.clt2mcode "(" lp,t, | |
1552 | P.clt2mcode ")" rp)) } | |
1553 | ||
1554 | // version that allows dots | |
1555 | unary_expr_bis: | |
1556 | postfix_expr(eexpr,dot_expressions) { $1 } | |
1557 | | TInc unary_expr_bis | |
1558 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Inc $1)) } | |
1559 | | TDec unary_expr_bis | |
1560 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Dec $1)) } | |
1561 | | unary_op cast_expr(eexpr,dot_expressions) | |
1562 | { let mcode = $1 in Ast0.wrap(Ast0.Unary($2, mcode)) } | |
1563 | | TBang unary_expr_bis | |
34e49164 C |
1564 | { let mcode = P.clt2mcode Ast.Not $1 in |
1565 | Ast0.wrap(Ast0.Unary($2, mcode)) } | |
3a314143 | 1566 | | TSizeof unary_expr_bis |
34e49164 C |
1567 | { Ast0.wrap(Ast0.SizeOfExpr (P.clt2mcode "sizeof" $1, $2)) } |
1568 | | s=TSizeof lp=TOPar t=ctype rp=TCPar | |
1569 | { Ast0.wrap(Ast0.SizeOfType (P.clt2mcode "sizeof" s, | |
1570 | P.clt2mcode "(" lp,t, | |
1571 | P.clt2mcode ")" rp)) } | |
1572 | ||
1573 | unary_op: TAnd { P.clt2mcode Ast.GetRef $1 } | |
1574 | | TMul { P.clt2mcode Ast.DeRef $1 } | |
1575 | | TPlus { P.clt2mcode Ast.UnPlus $1 } | |
1576 | | TMinus { P.clt2mcode Ast.UnMinus $1 } | |
1577 | | TTilde { P.clt2mcode Ast.Tilde $1 } | |
1578 | ||
1579 | postfix_expr(r,pe): | |
1580 | primary_expr(r,pe) { $1 } | |
1581 | | postfix_expr(r,pe) TOCro eexpr TCCro | |
1582 | { Ast0.wrap(Ast0.ArrayAccess ($1,P.clt2mcode "[" $2,$3, | |
1583 | P.clt2mcode "]" $4)) } | |
d3f655c6 | 1584 | | postfix_expr(r,pe) TDot disj_ident |
34e49164 | 1585 | { Ast0.wrap(Ast0.RecordAccess($1, P.clt2mcode "." $2, $3)) } |
d3f655c6 | 1586 | | postfix_expr(r,pe) TPtrOp disj_ident |
34e49164 C |
1587 | { Ast0.wrap(Ast0.RecordPtAccess($1, P.clt2mcode "->" $2, |
1588 | $3)) } | |
1589 | | postfix_expr(r,pe) TInc | |
1590 | { Ast0.wrap(Ast0.Postfix ($1, P.clt2mcode Ast.Inc $2)) } | |
1591 | | postfix_expr(r,pe) TDec | |
1592 | { Ast0.wrap(Ast0.Postfix ($1, P.clt2mcode Ast.Dec $2)) } | |
1593 | | postfix_expr(r,pe) TOPar eexpr_list_option TCPar | |
1594 | { Ast0.wrap(Ast0.FunCall($1,P.clt2mcode "(" $2, | |
1595 | $3, | |
1596 | P.clt2mcode ")" $4)) } | |
1597 | ||
1598 | primary_expr(recurser,primary_extra): | |
1599 | func_ident { Ast0.wrap(Ast0.Ident($1)) } | |
1600 | | TInt | |
1601 | { let (x,clt) = $1 in | |
1602 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Int x) clt)) } | |
1603 | | TFloat | |
1604 | { let (x,clt) = $1 in | |
1605 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Float x) clt)) } | |
1606 | | TString | |
1607 | { let (x,clt) = $1 in | |
1608 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.String x) clt)) } | |
1609 | | TChar | |
1610 | { let (x,clt) = $1 in | |
1611 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Char x) clt)) } | |
1612 | | TMetaConst | |
1613 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1614 | Ast0.wrap | |
1615 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.CONST,pure)) } | |
1616 | | TMetaErr | |
1617 | { let (nm,constraints,pure,clt) = $1 in | |
1618 | Ast0.wrap(Ast0.MetaErr(P.clt2mcode nm clt,constraints,pure)) } | |
1619 | | TMetaExp | |
1620 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1621 | Ast0.wrap | |
1622 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ANY,pure)) } | |
1623 | | TMetaIdExp | |
1624 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1625 | Ast0.wrap | |
1626 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ID,pure)) } | |
1627 | | TMetaLocalIdExp | |
1628 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1629 | Ast0.wrap | |
1630 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.LocalID,pure)) } | |
1631 | | TOPar eexpr TCPar | |
1632 | { Ast0.wrap(Ast0.Paren(P.clt2mcode "(" $1,$2, | |
1633 | P.clt2mcode ")" $3)) } | |
1634 | | TOPar0 midzero_list(recurser,eexpr) TCPar0 | |
1635 | { let (mids,code) = $2 in | |
1636 | Ast0.wrap(Ast0.DisjExpr(P.clt2mcode "(" $1, | |
1637 | code, mids, | |
1638 | P.clt2mcode ")" $3)) } | |
1639 | | primary_extra { $1 } | |
1640 | ||
1641 | expr_dots(dotter): | |
1642 | r=no_dot_start_end(dexpr,edots_when(dotter,eexpr)) { r } | |
1643 | ||
1644 | // used in NEST | |
1645 | no_dot_start_end(grammar,dotter): | |
1646 | g=grammar dg=list(pair(dotter,grammar)) | |
1647 | { function dot_builder -> | |
1648 | g :: (List.concat(List.map (function (d,g) -> [dot_builder d;g]) dg)) } | |
1649 | ||
1650 | /*****************************************************************************/ | |
1651 | ||
1652 | pure_ident: | |
1653 | TIdent { $1 } | |
1654 | ||
ae4735db C |
1655 | pure_ident_kwd: |
1656 | | TIdentifier { "identifier" } | |
1657 | | TExpression { "expression" } | |
1658 | | TStatement { "statement" } | |
1659 | | TFunction { "function" } | |
1660 | | TLocal { "local" } | |
1661 | | TType { "type" } | |
1662 | | TParameter { "parameter" } | |
1663 | | TIdExpression { "idexpression" } | |
1664 | | TInitialiser { "initialiser" } | |
1665 | | Tlist { "list" } | |
1666 | | TFresh { "fresh" } | |
1667 | | TConstant { "constant" } | |
1668 | | TError { "error" } | |
1669 | | TWords { "words" } | |
1670 | | TPure { "pure" } | |
1671 | | TContext { "context" } | |
1672 | | TGenerated { "generated" } | |
1673 | | TTypedef { "typedef" } | |
1674 | | TDeclarer { "declarer" } | |
1675 | | TIterator { "iterator" } | |
1676 | | TName { "name" } | |
1677 | | TPosition { "position" } | |
1678 | ||
34e49164 | 1679 | meta_ident: |
ae4735db C |
1680 | TRuleName TDot pure_ident { (Some $1,P.id2name $3) } |
1681 | | TRuleName TDot pure_ident_kwd { (Some $1,$3) } | |
34e49164 C |
1682 | |
1683 | pure_ident_or_meta_ident: | |
1684 | pure_ident { (None,P.id2name $1) } | |
ae4735db | 1685 | | pure_ident_kwd { (None,$1) } |
34e49164 | 1686 | | meta_ident { $1 } |
34e49164 | 1687 | |
b1b2de81 | 1688 | pure_ident_or_meta_ident_with_seed: |
978fd7e5 C |
1689 | pure_ident_or_meta_ident { ($1,Ast.NoVal) } |
1690 | | pure_ident_or_meta_ident TEq | |
1691 | separated_nonempty_list(TCppConcatOp,seed_elem) | |
1692 | { match $3 with | |
1693 | [Ast.SeedString s] -> ($1,Ast.StringSeed s) | |
1694 | | _ -> ($1,Ast.ListSeed $3) } | |
1695 | ||
1696 | seed_elem: | |
1697 | TString { let (x,_) = $1 in Ast.SeedString x } | |
1698 | | TMetaId { let (x,_,_,_) = $1 in Ast.SeedId x } | |
b23ff9c7 | 1699 | | TMeta {failwith "tmeta"} |
978fd7e5 C |
1700 | | TRuleName TDot pure_ident |
1701 | { let nm = ($1,P.id2name $3) in | |
1702 | P.check_meta(Ast.MetaIdDecl(Ast.NONE,nm)); | |
1703 | Ast.SeedId nm } | |
b1b2de81 | 1704 | |
951c7801 C |
1705 | pure_ident_or_meta_ident_with_x_eq(x_eq): |
1706 | i=pure_ident_or_meta_ident l=loption(x_eq) | |
1707 | { | |
1708 | (i, l) | |
1709 | } | |
1710 | ||
1711 | pure_ident_or_meta_ident_with_econstraint(x_eq): | |
1712 | i=pure_ident_or_meta_ident optc=option(x_eq) | |
1713 | { | |
1714 | match optc with | |
1715 | None -> (i, Ast0.NoConstraint) | |
1716 | | Some c -> (i, c) | |
1717 | } | |
1718 | ||
ae4735db C |
1719 | pure_ident_or_meta_ident_with_idconstraint_virt(constraint_type): |
1720 | i=pure_ident_or_meta_ident c=option(constraint_type) | |
1721 | { | |
1722 | Common.Left | |
1723 | (match c with | |
1724 | None -> (i, Ast.IdNoConstraint) | |
1725 | | Some constraint_ -> (i,constraint_)) | |
1726 | } | |
3a314143 C |
1727 | | TVirtual TDot pure_ident |
1728 | { | |
1729 | let nm = P.id2name $3 in | |
1730 | Iteration.parsed_virtual_identifiers := | |
1731 | Common.union_set [nm] | |
1732 | !Iteration.parsed_virtual_identifiers; | |
1733 | Common.Right nm | |
1734 | } | |
ae4735db | 1735 | |
951c7801 C |
1736 | pure_ident_or_meta_ident_with_idconstraint(constraint_type): |
1737 | i=pure_ident_or_meta_ident c=option(constraint_type) | |
1738 | { | |
1739 | match c with | |
1740 | None -> (i, Ast.IdNoConstraint) | |
1741 | | Some constraint_ -> (i,constraint_) | |
1742 | } | |
1743 | ||
1744 | re_or_not_eqid: | |
5636bb2c | 1745 | re=regexp_eqid {Ast.IdRegExpConstraint re} |
951c7801 C |
1746 | | ne=not_eqid {ne} |
1747 | ||
1748 | regexp_eqid: | |
5636bb2c | 1749 | TTildeEq re=TString |
951c7801 C |
1750 | { (if !Data.in_iso |
1751 | then failwith "constraints not allowed in iso file"); | |
1752 | (if !Data.in_generating | |
1753 | then failwith "constraints not allowed in a generated rule file"); | |
1754 | let (s,_) = re in Ast.IdRegExp (s,Str.regexp s) | |
1755 | } | |
1756 | | TTildeExclEq re=TString | |
1757 | { (if !Data.in_iso | |
1758 | then failwith "constraints not allowed in iso file"); | |
1759 | (if !Data.in_generating | |
1760 | then failwith "constraints not allowed in a generated rule file"); | |
1761 | let (s,_) = re in Ast.IdNotRegExp (s,Str.regexp s) | |
1762 | } | |
34e49164 | 1763 | |
951c7801 | 1764 | not_eqid: |
c3e37e97 | 1765 | TNotEq i=pure_ident_or_meta_ident |
34e49164 C |
1766 | { (if !Data.in_iso |
1767 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1768 | (if !Data.in_generating |
1769 | (* pb: constraints not stored with metavars; too lazy to search for | |
1770 | them in the pattern *) | |
1771 | then failwith "constraints not allowed in a generated rule file"); | |
5636bb2c C |
1772 | (match i with |
1773 | (Some rn,id) -> | |
1774 | let i = | |
1775 | P.check_inherited_constraint i | |
1776 | (function mv -> Ast.MetaIdDecl(Ast.NONE,mv)) in | |
1777 | Ast.IdNegIdSet([],[i]) | |
1778 | | (None,i) -> Ast.IdNegIdSet([i],[])) } | |
c3e37e97 | 1779 | | TNotEq TOBrace l=comma_list(pure_ident_or_meta_ident) TCBrace |
34e49164 C |
1780 | { (if !Data.in_iso |
1781 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1782 | (if !Data.in_generating |
1783 | then failwith "constraints not allowed in a generated rule file"); | |
5636bb2c C |
1784 | let (str,meta) = |
1785 | List.fold_left | |
1786 | (function (str,meta) -> | |
1787 | function | |
1788 | (Some rn,id) as i -> | |
1789 | let i = | |
1790 | P.check_inherited_constraint i | |
1791 | (function mv -> Ast.MetaIdDecl(Ast.NONE,mv)) in | |
1792 | (str,i::meta) | |
1793 | | (None,i) -> (i::str,meta)) | |
1794 | ([],[]) l in | |
1795 | Ast.IdNegIdSet(str,meta) | |
951c7801 C |
1796 | } |
1797 | ||
5636bb2c C |
1798 | re_or_not_eqe_or_sub: |
1799 | re=regexp_eqid {Ast0.NotIdCstrt re} | |
1800 | | ne=not_eqe {Ast0.NotExpCstrt ne} | |
1801 | | s=sub {Ast0.SubExpCstrt s} | |
1802 | ||
1803 | not_ceq_or_sub: | |
1804 | ceq=not_ceq {Ast0.NotExpCstrt ceq} | |
1805 | | s=sub {Ast0.SubExpCstrt s} | |
34e49164 C |
1806 | |
1807 | not_eqe: | |
1808 | TNotEq i=pure_ident | |
1809 | { (if !Data.in_iso | |
1810 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1811 | (if !Data.in_generating |
1812 | then failwith "constraints not allowed in a generated rule file"); | |
951c7801 C |
1813 | [Ast0.wrap(Ast0.Ident(Ast0.wrap(Ast0.Id(P.id2mcode i))))] |
1814 | } | |
34e49164 C |
1815 | | TNotEq TOBrace l=comma_list(pure_ident) TCBrace |
1816 | { (if !Data.in_iso | |
1817 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1818 | (if !Data.in_generating |
1819 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 C |
1820 | List.map |
1821 | (function i -> | |
951c7801 C |
1822 | Ast0.wrap(Ast0.Ident(Ast0.wrap(Ast0.Id(P.id2mcode i))))) |
1823 | l | |
1824 | } | |
34e49164 C |
1825 | |
1826 | not_ceq: | |
1827 | TNotEq i=ident_or_const | |
1828 | { (if !Data.in_iso | |
1829 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1830 | (if !Data.in_generating |
1831 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 C |
1832 | [i] } |
1833 | | TNotEq TOBrace l=comma_list(ident_or_const) TCBrace | |
1834 | { (if !Data.in_iso | |
1835 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1836 | (if !Data.in_generating |
1837 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 C |
1838 | l } |
1839 | ||
5636bb2c C |
1840 | sub: |
1841 | (* has to be inherited because not clear how to check subterm constraints | |
1842 | in the functorized CTL engine, so need the variable to be bound | |
1843 | already when bind the subterm constrained metavariable *) | |
1844 | TSub i=meta_ident | |
1845 | { (if !Data.in_iso | |
1846 | then failwith "constraints not allowed in iso file"); | |
1847 | (if !Data.in_generating | |
1848 | then failwith "constraints not allowed in a generated rule file"); | |
1849 | let i = | |
1850 | P.check_inherited_constraint i | |
1851 | (function mv -> Ast.MetaExpDecl(Ast.NONE,mv,None)) in | |
1852 | [i] } | |
1853 | | TSub TOBrace l=comma_list(meta_ident) TCBrace | |
1854 | { (if !Data.in_iso | |
1855 | then failwith "constraints not allowed in iso file"); | |
1856 | (if !Data.in_generating | |
1857 | then failwith "constraints not allowed in a generated rule file"); | |
1858 | List.map | |
1859 | (function i -> | |
1860 | P.check_inherited_constraint i | |
1861 | (function mv -> Ast.MetaExpDecl(Ast.NONE,mv,None))) | |
1862 | l} | |
1863 | ||
34e49164 C |
1864 | ident_or_const: |
1865 | i=pure_ident { Ast0.wrap(Ast0.Ident(Ast0.wrap(Ast0.Id(P.id2mcode i)))) } | |
1866 | | TInt | |
1867 | { let (x,clt) = $1 in | |
1868 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Int x) clt)) } | |
1869 | ||
1870 | not_pos: | |
1871 | TNotEq i=meta_ident | |
1872 | { (if !Data.in_iso | |
1873 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1874 | (if !Data.in_generating |
1875 | then failwith "constraints not allowed in a generated rule file"); | |
5636bb2c C |
1876 | let i = |
1877 | P.check_inherited_constraint i | |
1878 | (function mv -> Ast.MetaPosDecl(Ast.NONE,mv)) in | |
1879 | [i] } | |
34e49164 C |
1880 | | TNotEq TOBrace l=comma_list(meta_ident) TCBrace |
1881 | { (if !Data.in_iso | |
1882 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1883 | (if !Data.in_generating |
1884 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 | 1885 | List.map |
5636bb2c C |
1886 | (function i -> |
1887 | P.check_inherited_constraint i | |
1888 | (function mv -> Ast.MetaPosDecl(Ast.NONE,mv))) | |
34e49164 C |
1889 | l } |
1890 | ||
b23ff9c7 C |
1891 | func_ident: ident { $1 } |
1892 | | TMetaFunc | |
34e49164 | 1893 | { let (nm,constraints,pure,clt) = $1 in |
b23ff9c7 C |
1894 | Ast0.wrap(Ast0.MetaFunc(P.clt2mcode nm clt,constraints,pure)) } |
1895 | | TMetaLocalFunc | |
1896 | { let (nm,constraints,pure,clt) = $1 in | |
1897 | Ast0.wrap | |
1898 | (Ast0.MetaLocalFunc(P.clt2mcode nm clt,constraints,pure)) } | |
1899 | ||
d3f655c6 | 1900 | fn_ident: disj_ident { $1 } |
34e49164 C |
1901 | | TMetaFunc |
1902 | { let (nm,constraints,pure,clt) = $1 in | |
1903 | Ast0.wrap(Ast0.MetaFunc(P.clt2mcode nm clt,constraints,pure)) } | |
1904 | | TMetaLocalFunc | |
1905 | { let (nm,constraints,pure,clt) = $1 in | |
1906 | Ast0.wrap | |
1907 | (Ast0.MetaLocalFunc(P.clt2mcode nm clt,constraints,pure)) } | |
1908 | ||
1909 | ident: pure_ident | |
1910 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1911 | | TMetaId | |
1912 | { let (nm,constraints,pure,clt) = $1 in | |
1913 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) } | |
1914 | ||
b23ff9c7 | 1915 | mident: pure_ident |
ca417fcf | 1916 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } |
b23ff9c7 | 1917 | | TMeta { tmeta_to_ident $1 } |
ca417fcf C |
1918 | | TMetaId |
1919 | { let (nm,constraints,pure,clt) = $1 in | |
1920 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) } | |
1921 | ||
d3f655c6 C |
1922 | disj_ident: |
1923 | mident { $1 } | |
1924 | | lp=TOPar0 t=midzero_list(disj_ident,disj_ident) rp=TCPar0 | |
1925 | { let (mids,code) = t in | |
1926 | Ast0.wrap | |
1927 | (Ast0.DisjId(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } | |
1928 | ||
1929 | type_ident: disj_ident { $1 } | |
b23ff9c7 C |
1930 | | TTypeId |
1931 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1932 | ||
34e49164 C |
1933 | decl_ident: |
1934 | TDeclarerId | |
1935 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1936 | | TMetaDeclarer | |
1937 | { let (nm,constraints,pure,clt) = $1 in | |
1938 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) } | |
1939 | ||
1940 | iter_ident: | |
1941 | TIteratorId | |
1942 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1943 | | TMetaIterator | |
1944 | { let (nm,constraints,pure,clt) = $1 in | |
1945 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure)) } | |
1946 | ||
1947 | typedef_ident: | |
1948 | pure_ident | |
1949 | { Ast0.wrap(Ast0.TypeName(P.id2mcode $1)) } | |
b23ff9c7 | 1950 | | TMeta { tmeta_to_type $1 } |
34e49164 C |
1951 | | TMetaType |
1952 | { let (nm,pure,clt) = $1 in | |
1953 | Ast0.wrap(Ast0.MetaType(P.clt2mcode nm clt,pure)) } | |
1954 | ||
1955 | /*****************************************************************************/ | |
1956 | ||
1957 | decl_list(decl): | |
c491d8ee C |
1958 | empty_list_start(one_dec(decl),TEllipsis) |
1959 | { Ast0.wrap | |
1960 | (Ast0.DOTS | |
1961 | ($1 | |
1962 | (fun _ d -> Ast0.wrap(Ast0.Pdots(P.clt2mcode "..." d))) | |
1963 | (fun c -> Ast0.PComma c))) } | |
34e49164 C |
1964 | |
1965 | one_dec(decl): | |
1966 | decl { $1 } | |
1967 | | TMetaParamList | |
1968 | { let (nm,lenname,pure,clt) = $1 in | |
1969 | let nm = P.clt2mcode nm clt in | |
88e71198 C |
1970 | let lenname = |
1971 | match lenname with | |
1972 | Ast.AnyLen -> Ast0.AnyListLen | |
1973 | | Ast.MetaLen nm -> Ast0.MetaListLen(P.clt2mcode nm clt) | |
1974 | | Ast.CstLen n -> Ast0.CstListLen n in | |
34e49164 | 1975 | Ast0.wrap(Ast0.MetaParamList(nm,lenname,pure)) } |
faf9a90c | 1976 | |
c491d8ee C |
1977 | /* ---------------------------------------------------------------------- */ |
1978 | /* comma list parser, used for fn params, fn args, enums, initlists, | |
1979 | #define params */ | |
1980 | ||
1981 | /* enums: enum_decl, edots_when(TEllipsis,enum_decl_one) | |
1982 | fun s d -> P.mkedots "..." d | |
1983 | fun c -> Ast0.EComma c | |
1984 | */ | |
1985 | ||
1986 | empty_list_start(elem,dotter): | |
1987 | /* empty */ { fun build_dots build_comma -> [] } | |
1988 | | nonempty_list_start(elem,dotter) { $1 } | |
1989 | ||
1990 | nonempty_list_start(elem,dotter): /* dots allowed */ | |
1991 | elem { fun build_dots build_comma -> [$1] } | |
1992 | | elem TComma | |
1993 | { fun build_dots build_comma -> | |
1994 | $1::[Ast0.wrap(build_comma(P.clt2mcode "," $2))] } | |
1995 | | elem TComma nonempty_list_start(elem,dotter) | |
1996 | { fun build_dots build_comma -> | |
1997 | $1::(Ast0.wrap(build_comma(P.clt2mcode "," $2))):: | |
1998 | ($3 build_dots build_comma) } | |
1999 | | TNothing nonempty_list_start(elem,dotter) { $2 } | |
2000 | | d=dotter { fun build_dots build_comma -> [(build_dots "..." d)] } | |
2001 | | d=dotter TComma | |
2002 | { fun build_dots build_comma -> | |
2003 | [(build_dots "..." d);Ast0.wrap(build_comma(P.clt2mcode "," $2))] } | |
2004 | | d=dotter TComma r=continue_list(elem,dotter) | |
2005 | { fun build_dots build_comma -> | |
2006 | (build_dots "..." d):: | |
2007 | (Ast0.wrap(build_comma(P.clt2mcode "," $2))):: | |
2008 | (r build_dots build_comma) } | |
2009 | ||
2010 | continue_list(elem,dotter): /* dots not allowed */ | |
2011 | elem { fun build_dots build_comma -> [$1] } | |
2012 | | elem TComma | |
2013 | { fun build_dots build_comma -> | |
2014 | $1::[Ast0.wrap(build_comma(P.clt2mcode "," $2))] } | |
2015 | | elem TComma nonempty_list_start(elem,dotter) | |
2016 | { fun build_dots build_comma -> | |
2017 | $1::(Ast0.wrap(build_comma(P.clt2mcode "," $2))):: | |
2018 | ($3 build_dots build_comma) } | |
2019 | | TNothing nonempty_list_start(elem,dotter) { $2 } | |
34e49164 C |
2020 | |
2021 | /* ---------------------------------------------------------------------- */ | |
2022 | ||
978fd7e5 C |
2023 | /* error words make it complicated to be able to use error as a metavariable |
2024 | name or a type in a metavariable list; for that we would like to allow TError | |
2025 | as an ident, but that makes conflicts with this rule. To add back error words, | |
2026 | need to find some appropriate delimiter for it, but it has not been used much | |
2027 | so just drop it */ | |
2028 | /*error_words: | |
34e49164 C |
2029 | TError TWords TEq TOCro cl=comma_list(dexpr) TCCro |
2030 | { [Ast0.wrap(Ast0.ERRORWORDS(cl))] } | |
978fd7e5 | 2031 | */ |
34e49164 C |
2032 | |
2033 | /* ---------------------------------------------------------------------- */ | |
2034 | /* sequences of statements and expressions */ | |
2035 | ||
2036 | /* There are number of cases that must be considered: | |
2037 | ||
2038 | 1. Top level: | |
2039 | Dots and nests allowed at the beginning or end | |
2040 | Expressions allowed at the beginning or end | |
2041 | One function allowed, by itself | |
2042 | 2. A function body: | |
2043 | Dots and nests allowed at the beginning or end | |
2044 | Expressions not allowed at the beginning or end | |
2045 | Functions not allowed | |
2046 | 3. The body of a nest: | |
2047 | Dots and nests not allowed at the beginning or end | |
2048 | Expressions allowed at the beginning or end | |
2049 | Functions not allowed | |
2050 | 4. Whencode: | |
2051 | Dots and nests not allowed at the beginning but allowed at the end | |
2052 | Expressions allowed at the beginning or end | |
2053 | Functions not allowed | |
2054 | ||
2055 | These are implemented by the rules minus_toplevel_sequence, | |
2056 | plus_toplevel_sequence, function_body_sequence, nest_body_sequence, and | |
2057 | when_body_sequence. | |
2058 | */ | |
2059 | /* ------------------------------------------------------------------------ */ | |
2060 | /* Minus top level */ | |
2061 | ||
2062 | /* doesn't allow only ... */ | |
2063 | minus_start: | |
2064 | fundecl { [Ast0.wrap(Ast0.DECL($1))] } | |
2065 | | ctype { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Ty($1))))] } | |
1be43e12 | 2066 | | top_init { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.TopInit($1))))] } |
faf9a90c | 2067 | | toplevel_seq_startne(toplevel_after_dots_init) |
34e49164 C |
2068 | { List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1 } |
2069 | ||
faf9a90c C |
2070 | toplevel_seq_startne(after_dots_init): |
2071 | a=stm_dots_ell b=after_dots_init { a::b } | |
2072 | | a=stm_dots_nest b=after_dots_init { a::b } | |
2073 | | a=stm_dots_nest { [a] } | |
2074 | | expr toplevel_after_exp { (Ast0.wrap(Ast0.Exp($1)))::$2 } | |
2075 | | decl_statement_expr toplevel_after_stm { $1@$2 } | |
2076 | ||
34e49164 C |
2077 | toplevel_seq_start(after_dots_init): |
2078 | stm_dots after_dots_init { $1::$2 } | |
2079 | | expr toplevel_after_exp { (Ast0.wrap(Ast0.Exp($1)))::$2 } | |
2080 | | decl_statement_expr toplevel_after_stm { $1@$2 } | |
2081 | ||
2082 | toplevel_after_dots_init: | |
2083 | TNothing toplevel_after_exp {$2} | |
2084 | | expr toplevel_after_exp {(Ast0.wrap(Ast0.Exp($1)))::$2} | |
2085 | | decl_statement_expr toplevel_after_stm {$1@$2} | |
2086 | ||
2087 | toplevel_after_exp: | |
2088 | /* empty */ {[]} | |
2089 | | stm_dots toplevel_after_dots {$1::$2} | |
2090 | ||
2091 | toplevel_after_dots: | |
2092 | /* empty */ {[]} | |
2093 | | TNothing toplevel_after_exp {$2} | |
2094 | | expr toplevel_after_exp {(Ast0.wrap(Ast0.Exp($1)))::$2} | |
2095 | | decl_statement_expr toplevel_after_stm {$1@$2} | |
2096 | ||
2097 | toplevel_after_stm: | |
2098 | /* empty */ {[]} | |
2099 | | stm_dots toplevel_after_dots {$1::$2} | |
2100 | | decl_statement toplevel_after_stm {$1@$2} | |
2101 | ||
1be43e12 C |
2102 | top_init: |
2103 | TOInit initialize_list TCBrace | |
c491d8ee C |
2104 | { if P.struct_initializer $2 |
2105 | then | |
2106 | let il = P.drop_dot_commas $2 in | |
2107 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,il,P.clt2mcode "}" $3,false)) | |
2108 | else | |
2109 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,$2,P.clt2mcode "}" $3,true)) } | |
1be43e12 | 2110 | |
34e49164 C |
2111 | /* ------------------------------------------------------------------------ */ |
2112 | /* Plus top level */ | |
2113 | ||
2114 | /* does allow only ... also allows multiple top-level functions */ | |
2115 | plus_start: | |
2116 | ctype { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Ty($1))))] } | |
1be43e12 | 2117 | | top_init { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.TopInit($1))))] } |
34e49164 C |
2118 | | stm_dots plus_after_dots |
2119 | { (Ast0.wrap(Ast0.OTHER($1)))::$2 } | |
2120 | | expr plus_after_exp | |
2121 | { (Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Exp($1)))))::$2 } | |
2122 | | fundecl plus_after_stm { Ast0.wrap(Ast0.DECL($1))::$2 } | |
2123 | | decl_statement_expr plus_after_stm | |
2124 | { (List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1)@$2 } | |
2125 | ||
2126 | plus_after_exp: | |
2127 | /* empty */ {[]} | |
2128 | | stm_dots plus_after_dots { (Ast0.wrap(Ast0.OTHER($1)))::$2 } | |
2129 | ||
2130 | plus_after_dots: | |
2131 | /* empty */ {[]} | |
2132 | | TNothing plus_after_exp {$2} | |
2133 | | expr plus_after_exp | |
2134 | { (Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Exp($1)))))::$2 } | |
2135 | | fundecl plus_after_stm { Ast0.wrap(Ast0.DECL($1))::$2 } | |
2136 | | decl_statement_expr plus_after_stm | |
2137 | { (List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1)@$2 } | |
2138 | ||
2139 | plus_after_stm: | |
2140 | /* empty */ {[]} | |
2141 | | stm_dots plus_after_dots { (Ast0.wrap(Ast0.OTHER($1)))::$2 } | |
2142 | | fundecl plus_after_stm { Ast0.wrap(Ast0.DECL($1))::$2 } | |
2143 | | decl_statement plus_after_stm | |
2144 | { (List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1)@$2 } | |
2145 | ||
2146 | /* ------------------------------------------------------------------------ */ | |
2147 | /* Function body */ | |
2148 | ||
2149 | fun_start: | |
2150 | fun_after_stm { Ast0.wrap(Ast0.DOTS($1)) } | |
2151 | ||
2152 | fun_after_stm: | |
2153 | /* empty */ {[]} | |
2154 | | stm_dots fun_after_dots {$1::$2} | |
2155 | | decl_statement fun_after_stm {$1@$2} | |
2156 | ||
2157 | fun_after_dots: | |
2158 | /* empty */ {[]} | |
2159 | | TNothing fun_after_exp {$2} | |
2160 | | expr fun_after_exp {Ast0.wrap(Ast0.Exp($1))::$2} | |
2161 | | decl_statement_expr fun_after_stm {$1@$2} | |
2162 | ||
2163 | fun_after_exp: | |
2164 | stm_dots fun_after_dots {$1::$2} | |
2165 | ||
2166 | /* hack to allow mixing statements and expressions in an or */ | |
2167 | fun_after_dots_or: | |
2168 | /* empty */ {[]} | |
2169 | | TNothing fun_after_exp_or {$2} | |
2170 | | expr fun_after_exp_or {Ast0.wrap(Ast0.Exp($1))::$2} | |
2171 | | decl_statement_expr fun_after_stm {$1@$2} | |
2172 | ||
2173 | fun_after_exp_or: | |
2174 | /* empty */ {[]} | |
2175 | | stm_dots fun_after_dots {$1::$2} | |
2176 | ||
2177 | /* ------------------------------------------------------------------------ */ | |
2178 | /* Nest body */ | |
2179 | ||
2180 | nest_start: | |
2181 | nest_after_dots { Ast0.wrap(Ast0.DOTS($1)) } | |
2182 | ||
2183 | nest_after_dots: | |
2184 | decl_statement_expr nest_after_stm {$1@$2} | |
2185 | | TNothing nest_after_exp {$2} | |
2186 | | expr nest_after_exp {(Ast0.wrap(Ast0.Exp($1)))::$2} | |
2187 | ||
2188 | nest_after_stm: | |
2189 | /* empty */ {[]} | |
2190 | | stm_dots nest_after_dots {$1::$2} | |
2191 | | decl_statement nest_after_stm {$1@$2} | |
2192 | ||
2193 | nest_after_exp: | |
2194 | /* empty */ {[]} | |
2195 | | stm_dots nest_after_dots {$1::$2} | |
2196 | ||
2197 | /* ------------------------------------------------------------------------ */ | |
2198 | /*Whencode*/ | |
2199 | ||
2200 | when_start: | |
2201 | expr toplevel_after_exp | |
2202 | { Ast0.wrap(Ast0.DOTS((Ast0.wrap(Ast0.Exp($1)))::$2)) } | |
2203 | | decl_statement toplevel_after_stm | |
2204 | { Ast0.wrap(Ast0.DOTS($1@$2)) } | |
2205 | ||
2206 | /* ---------------------------------------------------------------------- */ | |
2207 | ||
34e49164 C |
2208 | /* arg expr. may contain a type or a explist metavariable */ |
2209 | aexpr: | |
c491d8ee | 2210 | dexpr { Ast0.set_arg_exp $1 } |
34e49164 C |
2211 | | TMetaExpList |
2212 | { let (nm,lenname,pure,clt) = $1 in | |
2213 | let nm = P.clt2mcode nm clt in | |
2214 | let lenname = | |
2215 | match lenname with | |
88e71198 C |
2216 | Ast.AnyLen -> Ast0.AnyListLen |
2217 | | Ast.MetaLen nm -> Ast0.MetaListLen(P.clt2mcode nm clt) | |
2218 | | Ast.CstLen n -> Ast0.CstListLen n in | |
34e49164 C |
2219 | Ast0.wrap(Ast0.MetaExprList(nm,lenname,pure)) } |
2220 | | ctype | |
2221 | { Ast0.set_arg_exp(Ast0.wrap(Ast0.TypeExp($1))) } | |
2222 | ||
c491d8ee C |
2223 | eexpr_list_option: |
2224 | empty_list_start(aexpr,TEllipsis) | |
2225 | { Ast0.wrap | |
2226 | (Ast0.DOTS | |
2227 | ($1 | |
2228 | (fun _ d -> Ast0.wrap(Ast0.Edots(P.clt2mcode "..." d,None))) | |
2229 | (fun c -> Ast0.EComma c))) } | |
34e49164 C |
2230 | |
2231 | /****************************************************************************/ | |
2232 | ||
2233 | // non-empty lists - drop separator | |
2234 | comma_list(elem): | |
2235 | separated_nonempty_list(TComma,elem) { $1 } | |
2236 | ||
2237 | midzero_list(elem,aft): | |
2238 | a=elem b=list(mzl(aft)) | |
2239 | { let (mids,code) = List.split b in (mids,(a::code)) } | |
2240 | ||
2241 | mzl(elem): | |
2242 | a=TMid0 b=elem { (P.clt2mcode "|" a, b) } | |
2243 | ||
2244 | edots_when(dotter,when_grammar): | |
2245 | d=dotter { (d,None) } | |
2246 | | d=dotter TWhen TNotEq w=when_grammar TLineEnd { (d,Some w) } | |
2247 | ||
708f4980 | 2248 | whens(when_grammar,simple_when_grammar,any_strict): |
34e49164 C |
2249 | TWhen TNotEq w=when_grammar TLineEnd { [Ast0.WhenNot w] } |
2250 | | TWhen TEq w=simple_when_grammar TLineEnd { [Ast0.WhenAlways w] } | |
2251 | | TWhen comma_list(any_strict) TLineEnd | |
2252 | { List.map (function x -> Ast0.WhenModifier(x)) $2 } | |
1be43e12 C |
2253 | | TWhenTrue TNotEq e = eexpr TLineEnd { [Ast0.WhenNotTrue e] } |
2254 | | TWhenFalse TNotEq e = eexpr TLineEnd { [Ast0.WhenNotFalse e] } | |
34e49164 C |
2255 | |
2256 | any_strict: | |
2257 | TAny { Ast.WhenAny } | |
2258 | | TStrict { Ast.WhenStrict } | |
2259 | | TForall { Ast.WhenForall } | |
2260 | | TExists { Ast.WhenExists } | |
2261 | ||
2262 | /***************************************************************************** | |
2263 | * | |
2264 | * | |
2265 | *****************************************************************************/ | |
2266 | ||
2267 | iso_main: | |
c3e37e97 C |
2268 | TIsoExpression e1=eexpr el=list(iso(eexpr)) EOF |
2269 | { let fn x = Ast0.ExprTag x in P.iso_adjust fn fn e1 el } | |
2270 | | TIsoArgExpression e1=eexpr el=list(iso(eexpr)) EOF | |
2271 | { let fn x = Ast0.ArgExprTag x in P.iso_adjust fn fn e1 el } | |
2272 | | TIsoTestExpression e1=eexpr el=list(iso(eexpr)) EOF | |
2273 | { let fn x = Ast0.TestExprTag x in P.iso_adjust fn fn e1 el } | |
2274 | | TIsoToTestExpression e1=eexpr el=list(iso(eexpr)) EOF | |
2275 | { let ffn x = Ast0.ExprTag x in | |
2276 | let fn x = Ast0.TestExprTag x in | |
2277 | P.iso_adjust ffn fn e1 el } | |
34e49164 | 2278 | | TIsoStatement s1=single_statement sl=list(iso(single_statement)) EOF |
c3e37e97 | 2279 | { let fn x = Ast0.StmtTag x in P.iso_adjust fn fn s1 sl } |
34e49164 | 2280 | | TIsoType t1=ctype tl=list(iso(ctype)) EOF |
c3e37e97 | 2281 | { let fn x = Ast0.TypeCTag x in P.iso_adjust fn fn t1 tl } |
34e49164 | 2282 | | TIsoTopLevel e1=nest_start el=list(iso(nest_start)) EOF |
c3e37e97 | 2283 | { let fn x = Ast0.DotsStmtTag x in P.iso_adjust fn fn e1 el } |
34e49164 C |
2284 | | TIsoDeclaration d1=decl_var dl=list(iso(decl_var)) EOF |
2285 | { let check_one = function | |
2286 | [x] -> x | |
2287 | | _ -> | |
2288 | raise | |
2289 | (Semantic_cocci.Semantic | |
2290 | "only one variable per declaration in an isomorphism rule") in | |
2291 | let d1 = check_one d1 in | |
2292 | let dl = | |
2293 | List.map | |
2294 | (function | |
2295 | Common.Left x -> Common.Left(check_one x) | |
2296 | | Common.Right x -> Common.Right(check_one x)) | |
2297 | dl in | |
c3e37e97 | 2298 | let fn x = Ast0.DeclTag x in P.iso_adjust fn fn d1 dl } |
34e49164 C |
2299 | |
2300 | iso(term): | |
2301 | TIso t=term { Common.Left t } | |
2302 | | TRightIso t=term { Common.Right t } | |
2303 | ||
2304 | /***************************************************************************** | |
2305 | * | |
2306 | * | |
2307 | *****************************************************************************/ | |
2308 | ||
2309 | never_used: TPragma { () } | |
2310 | | TPArob TMetaPos { () } | |
2311 | | TScriptData { () } | |
2312 | ||
ae4735db | 2313 | script_meta_main: |
413ffc02 C |
2314 | py=pure_ident TMPtVirg |
2315 | { ((Some (P.id2name py), None), None) } | |
2316 | | py=pure_ident script_name_decl TMPtVirg | |
2317 | { ((Some (P.id2name py), None), Some $2) } | |
2318 | | TOPar TUnderscore TComma ast=pure_ident TCPar script_name_decl TMPtVirg | |
2319 | { ((None, Some (P.id2name ast)), Some $6) } | |
2320 | | TOPar str=pure_ident TComma TUnderscore TCPar script_name_decl TMPtVirg | |
2321 | { ((Some (P.id2name str), None), Some $6) } | |
2322 | | TOPar str=pure_ident TComma ast=pure_ident TCPar script_name_decl TMPtVirg | |
2323 | { ((Some (P.id2name str), Some (P.id2name ast)), Some $6) } | |
aba5c457 C |
2324 | |
2325 | script_name_decl: | |
413ffc02 | 2326 | TShLOp TRuleName TDot cocci=pure_ident |
aba5c457 C |
2327 | { let nm = P.id2name cocci in |
2328 | let mv = Parse_aux.lookup $2 nm in | |
2329 | (($2, nm), mv) } | |
413ffc02 | 2330 | | TShLOp TVirtual TDot cocci=pure_ident |
aba5c457 | 2331 | { let nm = P.id2name cocci in |
3a314143 C |
2332 | Iteration.parsed_virtual_identifiers := |
2333 | Common.union_set [nm] | |
2334 | !Iteration.parsed_virtual_identifiers; | |
aba5c457 C |
2335 | let name = ("virtual", nm) in |
2336 | let mv = Ast.MetaIdDecl(Ast.NONE,name) in | |
413ffc02 | 2337 | (name,mv) } |