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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 | |
8babbc8f C |
92 | (TMetaId(name,Ast.IdNoConstraint,Ast.NoVal,pure,clt)) |
93 | (function TMetaId(_,_,_,_,_) -> true | _ -> false)); | |
b23ff9c7 C |
94 | Ast.SeedId name |
95 | ||
96 | let tmeta_to_ident (name,pure,clt) = | |
97 | (coerce_tmeta "an identifier" name | |
8babbc8f C |
98 | (TMetaId(name,Ast.IdNoConstraint,Ast.NoVal,pure,clt)) |
99 | (function TMetaId(_,_,_,_,_) -> true | _ -> false)); | |
100 | Ast0.wrap(Ast0.MetaId(P.clt2mcode name clt,Ast.IdNoConstraint,Ast.NoVal,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 | |
8babbc8f C |
128 | %token <Parse_aux.midinfo> TMetaId |
129 | %token <Parse_aux.idinfo> TMetaFunc TMetaLocalFunc | |
951c7801 C |
130 | %token <Parse_aux.idinfo> TMetaIterator TMetaDeclarer |
131 | %token <Parse_aux.expinfo> TMetaErr | |
132 | %token <Parse_aux.info> TMetaParam TMetaStm TMetaStmList TMetaType | |
b23ff9c7 | 133 | %token <Parse_aux.info> TMetaInit TMetaDecl TMetaField TMeta |
8f657093 | 134 | %token <Parse_aux.list_info> TMetaParamList TMetaExpList TMetaInitList |
190f1acf | 135 | %token <Parse_aux.list_info> TMetaFieldList |
951c7801 C |
136 | %token <Parse_aux.typed_expinfo> TMetaExp TMetaIdExp TMetaLocalIdExp TMetaConst |
137 | %token <Parse_aux.pos_info> TMetaPos | |
34e49164 C |
138 | |
139 | %token TArob TArobArob TPArob | |
140 | %token <string> TScriptData | |
141 | ||
142 | %token <Data.clt> TEllipsis TOEllipsis TCEllipsis TPOEllipsis TPCEllipsis | |
1be43e12 | 143 | %token <Data.clt> TWhen TWhenTrue TWhenFalse TAny TStrict TLineEnd |
34e49164 C |
144 | |
145 | %token <Data.clt> TWhy TDotDot TBang TOPar TOPar0 | |
146 | %token <Data.clt> TMid0 TCPar TCPar0 | |
147 | ||
0708f913 | 148 | %token <string> TPathIsoFile |
34e49164 | 149 | %token <string * Data.clt> TIncludeL TIncludeNL |
3a314143 | 150 | %token <Data.clt * token> TDefine TUndef |
708f4980 | 151 | %token <Data.clt * token * int * int> TDefineParam |
34e49164 C |
152 | %token <string * Data.clt> TMinusFile TPlusFile |
153 | ||
154 | %token <Data.clt> TInc TDec | |
155 | ||
156 | %token <string * Data.clt> TString TChar TFloat TInt | |
157 | ||
158 | %token <Data.clt> TOrLog | |
159 | %token <Data.clt> TAndLog | |
160 | %token <Data.clt> TOr | |
161 | %token <Data.clt> TXor | |
faf9a90c | 162 | %token <Data.clt> TAnd |
5636bb2c | 163 | %token <Data.clt> TEqEq TNotEq TTildeEq TTildeExclEq TSub |
34e49164 | 164 | %token <Ast_cocci.logicalOp * Data.clt> TLogOp /* TInf TSup TInfEq TSupEq */ |
413ffc02 | 165 | %token <Ast_cocci.arithOp * Data.clt> TShLOp TShROp /* TShl TShr */ |
34e49164 C |
166 | %token <Ast_cocci.arithOp * Data.clt> TDmOp /* TDiv TMod */ |
167 | %token <Data.clt> TPlus TMinus | |
168 | %token <Data.clt> TMul TTilde | |
169 | ||
1be43e12 | 170 | %token <Data.clt> TOBrace TCBrace TOInit |
34e49164 C |
171 | %token <Data.clt> TOCro TCCro |
172 | ||
173 | %token <Data.clt> TPtrOp | |
174 | ||
978fd7e5 | 175 | %token TMPtVirg TCppConcatOp |
34e49164 C |
176 | %token <Data.clt> TEq TDot TComma TPtVirg |
177 | %token <Ast_cocci.assignOp * Data.clt> TAssign | |
178 | ||
179 | %token TIso TRightIso TIsoExpression TIsoStatement TIsoDeclaration TIsoType | |
c3e37e97 | 180 | %token TIsoTopLevel TIsoArgExpression TIsoTestExpression TIsoToTestExpression |
34e49164 | 181 | |
aba5c457 C |
182 | %token TUnderscore |
183 | ||
34e49164 C |
184 | %token TInvalid |
185 | ||
186 | /* operator precedence */ | |
187 | %nonassoc TIf | |
188 | %nonassoc TElse | |
189 | ||
190 | %left TOrLog | |
191 | %left TAndLog | |
192 | %left TOr | |
193 | %left TXor | |
faf9a90c | 194 | %left TAnd |
34e49164 C |
195 | %left TEqEq TNotEq |
196 | %left TLogOp /* TInf TSup TInfEq TSupEq */ | |
413ffc02 | 197 | %left TShLOp TShROp /* TShl TShr */ |
34e49164 C |
198 | %left TPlus TMinus |
199 | %left TMul TDmOp /* TDiv TMod */ | |
200 | ||
201 | %start reinit | |
202 | %type <unit> reinit | |
203 | ||
204 | %start minus_main | |
205 | %type <Ast0_cocci.rule> minus_main | |
206 | ||
207 | %start minus_exp_main | |
208 | %type <Ast0_cocci.rule> minus_exp_main | |
209 | ||
210 | %start plus_main | |
211 | %type <Ast0_cocci.rule> plus_main | |
212 | ||
213 | %start plus_exp_main | |
214 | %type <Ast0_cocci.rule> plus_exp_main | |
215 | ||
216 | %start include_main | |
978fd7e5 | 217 | %type <Data.incl_iso list> include_main |
34e49164 C |
218 | |
219 | %start iso_rule_name | |
220 | %type <Ast_cocci.rulename> | |
221 | iso_rule_name | |
222 | ||
223 | %start rule_name | |
224 | %type <Ast_cocci.rulename> | |
225 | rule_name | |
226 | ||
227 | %start meta_main | |
228 | %type <(Ast_cocci.metavar,Ast_cocci.metavar) Common.either list> meta_main | |
229 | ||
413ffc02 | 230 | %start <(string option (*string*) * string option (*ast*)) * (Ast_cocci.meta_name * Ast_cocci.metavar) option> script_meta_main |
34e49164 C |
231 | |
232 | %start iso_main | |
233 | %type <Ast0_cocci.anything list list> iso_main | |
234 | ||
235 | %start iso_meta_main | |
236 | %type <(Ast_cocci.metavar,Ast_cocci.metavar) Common.either list> iso_meta_main | |
237 | ||
238 | %start never_used | |
239 | %type <unit> never_used | |
240 | ||
241 | %% | |
242 | ||
243 | reinit: { } | |
244 | minus_main: minus_body EOF { $1 } | m=minus_body TArobArob { m } | |
245 | | m=minus_body TArob { m } | |
246 | plus_main: plus_body EOF { $1 } | p=plus_body TArobArob { p } | |
247 | | p=plus_body TArob { p } | |
248 | minus_exp_main: minus_exp_body EOF { $1 } | m=minus_exp_body TArobArob { m } | |
249 | | m=minus_exp_body TArob { m } | |
250 | plus_exp_main: plus_exp_body EOF { $1 } | p=plus_exp_body TArobArob { p } | |
251 | | p=plus_exp_body TArob { p } | |
252 | meta_main: m=metadec { m (!Ast0.rule_name) } | |
253 | iso_meta_main: m=metadec { m "" } | |
254 | ||
255 | /***************************************************************************** | |
256 | * | |
257 | * | |
258 | *****************************************************************************/ | |
259 | ||
260 | pure: | |
261 | TPure { Ast0.Pure } | |
262 | | TContext { Ast0.Context } | |
263 | | TPure TContext { Ast0.PureContext } | |
264 | | TContext TPure { Ast0.PureContext } | |
265 | | /* empty */ { Ast0.Impure } | |
266 | ||
267 | iso_rule_name: | |
268 | nm=pure_ident TArob { P.make_iso_rule_name_result (P.id2name nm) } | |
269 | ||
270 | rule_name: | |
271 | nm=ioption(pure_ident) extends d=depends i=loption(choose_iso) | |
272 | a=loption(disable) e=exists ee=is_expression TArob | |
273 | { P.make_cocci_rule_name_result nm d i a e ee } | |
faf9a90c C |
274 | | TGenerated extends d=depends i=loption(choose_iso) |
275 | a=loption(disable) e=exists ee=is_expression TArob | |
276 | /* these rules have no name as a cheap way to ensure that no normal | |
277 | rule inherits their metavariables or depends on them */ | |
278 | { P.make_generated_rule_name_result None d i a e ee } | |
413ffc02 C |
279 | | TScript TDotDot lang=pure_ident nm=ioption(pure_ident) d=depends TArob |
280 | { P.make_script_rule_name_result lang nm d } | |
c3e37e97 C |
281 | | TInitialize TDotDot lang=pure_ident d=depends TArob |
282 | { P.make_initial_script_rule_name_result lang d } | |
283 | | TFinalize TDotDot lang=pure_ident d=depends TArob | |
284 | { P.make_final_script_rule_name_result lang d } | |
34e49164 C |
285 | |
286 | extends: | |
287 | /* empty */ { () } | |
288 | | TExtends parent=TRuleName | |
289 | { !Data.install_bindings (parent) } | |
290 | ||
291 | depends: | |
292 | /* empty */ { Ast.NoDep } | |
293 | | TDepends TOn parents=dep { parents } | |
294 | ||
295 | dep: | |
296 | pnrule { $1 } | |
297 | | dep TAndLog dep { Ast.AndDep($1, $3) } | |
298 | | dep TOrLog dep { Ast.OrDep ($1, $3) } | |
299 | ||
300 | pnrule: | |
301 | TRuleName { Ast.Dep $1 } | |
302 | | TBang TRuleName { Ast.AntiDep $2 } | |
303 | | TEver TRuleName { Ast.EverDep $2 } | |
304 | | TNever TRuleName { Ast.NeverDep $2 } | |
305 | | TOPar dep TCPar { $2 } | |
306 | ||
307 | choose_iso: | |
308 | TUsing separated_nonempty_list(TComma,TString) { List.map P.id2name $2 } | |
309 | ||
310 | disable: | |
311 | TDisable separated_nonempty_list(TComma,pure_ident) { List.map P.id2name $2 } | |
312 | ||
313 | exists: | |
314 | TExists { Ast.Exists } | |
315 | | TForall { Ast.Forall } | |
34e49164 C |
316 | | { Ast.Undetermined } |
317 | ||
318 | is_expression: // for more flexible parsing of top level expressions | |
319 | { false } | |
320 | | TExpression { true } | |
321 | ||
322 | include_main: | |
323 | list(incl) TArob { $1 } | |
324 | | list(incl) TArobArob { $1 } | |
325 | ||
326 | incl: | |
978fd7e5 C |
327 | TIncludeL { let (x,_) = $1 in Data.Include(x) } |
328 | | TUsing TString { Data.Iso(Common.Left(P.id2name $2)) } | |
329 | | TUsing TPathIsoFile { Data.Iso(Common.Right $2) } | |
951c7801 C |
330 | | TVirtual comma_list(pure_ident) |
331 | { let names = List.map P.id2name $2 in | |
3a314143 C |
332 | Iteration.parsed_virtual_rules := |
333 | Common.union_set names !Iteration.parsed_virtual_rules; | |
951c7801 C |
334 | (* ensure that the names of virtual and real rules don't overlap *) |
335 | List.iter | |
336 | (function name -> Hashtbl.add Data.all_metadecls name []) | |
337 | names; | |
338 | Data.Virt(names) } | |
34e49164 C |
339 | |
340 | metadec: | |
341 | ar=arity ispure=pure | |
342 | kindfn=metakind ids=comma_list(pure_ident_or_meta_ident) TMPtVirg | |
343 | { P.create_metadec ar ispure kindfn ids } | |
b1b2de81 C |
344 | | kindfn=metakind_fresh ids=comma_list(pure_ident_or_meta_ident_with_seed) |
345 | TMPtVirg | |
346 | { P.create_fresh_metadec kindfn ids } | |
ae4735db C |
347 | | ar=arity ispure=pure |
348 | kindfn=metakind_atomic_maybe_virt | |
349 | ids= | |
350 | comma_list(pure_ident_or_meta_ident_with_idconstraint_virt(re_or_not_eqid)) | |
351 | TMPtVirg | |
352 | { let (normal,virt) = Common.partition_either (fun x -> x) ids in | |
353 | let (idfn,virtfn) = kindfn in | |
354 | function cr -> | |
355 | (P.create_metadec_with_constraints ar ispure idfn normal cr) @ | |
356 | (P.create_metadec_virt ar ispure virtfn virt cr) } | |
34e49164 C |
357 | | ar=arity ispure=pure |
358 | kindfn=metakind_atomic | |
7f004419 C |
359 | ids=comma_list(pure_ident_or_meta_ident_with_idconstraint(re_or_not_eqid)) |
360 | TMPtVirg | |
951c7801 | 361 | { P.create_metadec_with_constraints ar ispure kindfn ids } |
34e49164 C |
362 | | ar=arity ispure=pure |
363 | kindfn=metakind_atomic_expi | |
5636bb2c | 364 | ids=comma_list(pure_ident_or_meta_ident_with_econstraint(re_or_not_eqe_or_sub)) |
7f004419 | 365 | TMPtVirg |
951c7801 | 366 | { P.create_metadec_with_constraints ar ispure kindfn ids } |
34e49164 C |
367 | | ar=arity ispure=pure |
368 | kindfn=metakind_atomic_expe | |
5636bb2c C |
369 | ids=comma_list(pure_ident_or_meta_ident_with_econstraint(not_ceq_or_sub)) |
370 | TMPtVirg | |
951c7801 | 371 | { P.create_metadec_with_constraints ar ispure kindfn ids } |
34e49164 | 372 | | ar=arity TPosition a=option(TPosAny) |
951c7801 | 373 | ids=comma_list(pure_ident_or_meta_ident_with_x_eq(not_pos)) TMPtVirg |
faf9a90c C |
374 | (* pb: position variables can't be inherited from normal rules, and then |
375 | there is no way to inherit from a generated rule, so there is no point | |
376 | to have a position variable *) | |
377 | { (if !Data.in_generating | |
378 | then failwith "position variables not allowed in a generated rule file"); | |
379 | let kindfn arity name pure check_meta constraints = | |
34e49164 C |
380 | let tok = check_meta(Ast.MetaPosDecl(arity,name)) in |
381 | let any = match a with None -> Ast.PER | Some _ -> Ast.ALL in | |
382 | !Data.add_pos_meta name constraints any; tok in | |
951c7801 | 383 | P.create_metadec_with_constraints ar false kindfn ids } |
34e49164 | 384 | | ar=arity ispure=pure |
88e71198 | 385 | TParameter Tlist TOCro len=list_len TCCro |
34e49164 C |
386 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg |
387 | { P.create_len_metadec ar ispure | |
388 | (fun lenname arity name pure check_meta -> | |
88e71198 C |
389 | let tok = check_meta(Ast.MetaParamListDecl(arity,name,lenname)) in |
390 | !Data.add_paramlist_meta name lenname pure; tok) | |
391 | len ids } | |
34e49164 | 392 | | ar=arity ispure=pure |
88e71198 | 393 | TExpression Tlist TOCro len=list_len TCCro |
34e49164 C |
394 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg |
395 | { P.create_len_metadec ar ispure | |
396 | (fun lenname arity name pure check_meta -> | |
88e71198 C |
397 | let tok = check_meta(Ast.MetaExpListDecl(arity,name,lenname)) in |
398 | !Data.add_explist_meta name lenname pure; tok) | |
399 | len ids } | |
190f1acf C |
400 | | ar=arity ispure=pure |
401 | TField Tlist TOCro len=list_len TCCro | |
402 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg | |
403 | { P.create_len_metadec ar ispure | |
404 | (fun lenname arity name pure check_meta -> | |
405 | let tok = check_meta(Ast.MetaFieldListDecl(arity,name,lenname)) in | |
406 | !Data.add_field_list_meta name lenname pure; tok) | |
407 | len ids } | |
8f657093 C |
408 | | ar=arity ispure=pure |
409 | TInitialiser Tlist TOCro len=list_len TCCro | |
410 | ids=comma_list(pure_ident_or_meta_ident) TMPtVirg | |
411 | { P.create_len_metadec ar ispure | |
412 | (fun lenname arity name pure check_meta -> | |
413 | let tok = check_meta(Ast.MetaInitListDecl(arity,name,lenname)) in | |
414 | !Data.add_initlist_meta name lenname pure; tok) | |
415 | len ids } | |
88e71198 C |
416 | |
417 | list_len: | |
418 | pure_ident_or_meta_ident { Common.Left $1 } | |
419 | | TInt { let (x,clt) = $1 in Common.Right (int_of_string x) } | |
34e49164 | 420 | |
b1b2de81 | 421 | %inline metakind_fresh: |
34e49164 | 422 | TFresh TIdentifier |
b1b2de81 C |
423 | { (fun name check_meta seed -> |
424 | let tok = check_meta(Ast.MetaFreshIdDecl(name,seed)) in | |
8babbc8f | 425 | !Data.add_fresh_id_meta name seed; tok) } |
b1b2de81 | 426 | |
ae4735db | 427 | /* metavariable kinds with no constraints, etc */ |
b1b2de81 | 428 | %inline metakind: |
b23ff9c7 C |
429 | TMetavariable |
430 | { (fun arity name pure check_meta -> | |
431 | let tok = check_meta(Ast.MetaMetaDecl(arity,name)) in | |
432 | !Data.add_meta_meta name pure; tok) } | |
433 | | TParameter | |
34e49164 C |
434 | { (fun arity name pure check_meta -> |
435 | let tok = check_meta(Ast.MetaParamDecl(arity,name)) in | |
436 | !Data.add_param_meta name pure; tok) } | |
437 | | TParameter Tlist | |
438 | { (fun arity name pure check_meta -> | |
88e71198 C |
439 | let len = Ast.AnyLen in |
440 | let tok = check_meta(Ast.MetaParamListDecl(arity,name,len)) in | |
441 | !Data.add_paramlist_meta name len pure; tok) } | |
34e49164 C |
442 | | TExpression Tlist |
443 | { (fun arity name pure check_meta -> | |
88e71198 C |
444 | let len = Ast.AnyLen in |
445 | let tok = check_meta(Ast.MetaExpListDecl(arity,name,len)) in | |
446 | !Data.add_explist_meta name len pure; tok) } | |
34e49164 C |
447 | | TType |
448 | { (fun arity name pure check_meta -> | |
449 | let tok = check_meta(Ast.MetaTypeDecl(arity,name)) in | |
faf9a90c | 450 | !Data.add_type_meta name pure; tok) } |
113803cf C |
451 | | TInitialiser |
452 | { (fun arity name pure check_meta -> | |
453 | let tok = check_meta(Ast.MetaInitDecl(arity,name)) in | |
454 | !Data.add_init_meta name pure; tok) } | |
8f657093 C |
455 | | TInitialiser Tlist |
456 | { (fun arity name pure check_meta -> | |
457 | let len = Ast.AnyLen in | |
458 | let tok = check_meta(Ast.MetaInitListDecl(arity,name,len)) in | |
459 | !Data.add_initlist_meta name len pure; tok) } | |
34e49164 C |
460 | | TStatement |
461 | { (fun arity name pure check_meta -> | |
462 | let tok = check_meta(Ast.MetaStmDecl(arity,name)) in | |
463 | !Data.add_stm_meta name pure; tok) } | |
413ffc02 C |
464 | | TDeclaration |
465 | { (fun arity name pure check_meta -> | |
466 | let tok = check_meta(Ast.MetaDeclDecl(arity,name)) in | |
467 | !Data.add_decl_meta name pure; tok) } | |
468 | | TField | |
469 | { (fun arity name pure check_meta -> | |
470 | let tok = check_meta(Ast.MetaFieldDecl(arity,name)) in | |
471 | !Data.add_field_meta name pure; tok) } | |
190f1acf C |
472 | | TField Tlist |
473 | { (fun arity name pure check_meta -> | |
474 | let len = Ast.AnyLen in | |
475 | let tok = check_meta(Ast.MetaFieldListDecl(arity,name,len)) in | |
476 | !Data.add_field_list_meta name len pure; tok) } | |
34e49164 C |
477 | | TStatement Tlist |
478 | { (fun arity name pure check_meta -> | |
479 | let tok = check_meta(Ast.MetaStmListDecl(arity,name)) in | |
480 | !Data.add_stmlist_meta name pure; tok) } | |
481 | | TTypedef | |
482 | { (fun arity (_,name) pure check_meta -> | |
483 | if arity = Ast.NONE && pure = Ast0.Impure | |
484 | then (!Data.add_type_name name; []) | |
485 | else raise (Semantic_cocci.Semantic "bad typedef")) } | |
486 | | TDeclarer TName | |
487 | { (fun arity (_,name) pure check_meta -> | |
488 | if arity = Ast.NONE && pure = Ast0.Impure | |
489 | then (!Data.add_declarer_name name; []) | |
490 | else raise (Semantic_cocci.Semantic "bad declarer")) } | |
491 | | TIterator TName | |
492 | { (fun arity (_,name) pure check_meta -> | |
493 | if arity = Ast.NONE && pure = Ast0.Impure | |
494 | then (!Data.add_iterator_name name; []) | |
495 | else raise (Semantic_cocci.Semantic "bad iterator")) } | |
496 | ||
ae4735db | 497 | %inline metakind_atomic_maybe_virt: |
34e49164 | 498 | TIdentifier |
ae4735db C |
499 | { |
500 | let idfn arity name pure check_meta constraints = | |
501 | let tok = check_meta(Ast.MetaIdDecl(arity,name)) in | |
502 | !Data.add_id_meta name constraints pure; tok in | |
503 | let virtfn arity name pure check_meta virtual_env = | |
504 | try | |
505 | let vl = List.assoc name virtual_env in | |
506 | !Data.add_virt_id_meta_found name vl; [] | |
507 | with Not_found -> | |
3a314143 C |
508 | Iteration.parsed_virtual_identifiers := |
509 | Common.union_set [name] | |
510 | !Iteration.parsed_virtual_identifiers; | |
ae4735db C |
511 | let name = ("virtual",name) in |
512 | let tok = check_meta(Ast.MetaIdDecl(arity,name)) in | |
513 | !Data.add_virt_id_meta_not_found name pure; tok in | |
514 | (idfn,virtfn) } | |
515 | ||
516 | %inline metakind_atomic: | |
517 | TFunction | |
34e49164 C |
518 | { (fun arity name pure check_meta constraints -> |
519 | let tok = check_meta(Ast.MetaFuncDecl(arity,name)) in | |
520 | !Data.add_func_meta name constraints pure; tok) } | |
521 | | TLocal TFunction | |
522 | { (fun arity name pure check_meta constraints -> | |
523 | let tok = check_meta(Ast.MetaLocalFuncDecl(arity,name)) in | |
524 | !Data.add_local_func_meta name constraints pure; | |
525 | tok) } | |
526 | | TDeclarer | |
527 | { (fun arity name pure check_meta constraints -> | |
528 | let tok = check_meta(Ast.MetaDeclarerDecl(arity,name)) in | |
529 | !Data.add_declarer_meta name constraints pure; tok) } | |
530 | | TIterator | |
531 | { (fun arity name pure check_meta constraints -> | |
532 | let tok = check_meta(Ast.MetaIteratorDecl(arity,name)) in | |
533 | !Data.add_iterator_meta name constraints pure; tok) } | |
534 | ||
535 | %inline metakind_atomic_expi: | |
536 | TError | |
537 | { (fun arity name pure check_meta constraints -> | |
538 | let tok = check_meta(Ast.MetaErrDecl(arity,name)) in | |
539 | !Data.add_err_meta name constraints pure; tok) } | |
540 | | l=option(TLocal) TIdExpression ty=ioption(meta_exp_type) | |
541 | { (fun arity name pure check_meta constraints -> | |
542 | match l with | |
543 | None -> | |
544 | !Data.add_idexp_meta ty name constraints pure; | |
545 | check_meta(Ast.MetaIdExpDecl(arity,name,ty)) | |
546 | | Some _ -> | |
547 | !Data.add_local_idexp_meta ty name constraints pure; | |
548 | check_meta(Ast.MetaLocalIdExpDecl(arity,name,ty))) } | |
549 | | l=option(TLocal) TIdExpression m=nonempty_list(TMul) | |
550 | { (fun arity name pure check_meta constraints -> | |
551 | let ty = Some [P.ty_pointerify Type_cocci.Unknown m] in | |
552 | match l with | |
553 | None -> | |
554 | !Data.add_idexp_meta ty name constraints pure; | |
555 | check_meta(Ast.MetaIdExpDecl(arity,name,ty)) | |
556 | | Some _ -> | |
557 | !Data.add_local_idexp_meta ty name constraints pure; | |
558 | check_meta(Ast.MetaLocalIdExpDecl(arity,name,ty))) } | |
e6509c05 | 559 | | TExpression ty=expression_type |
34e49164 | 560 | { (fun arity name pure check_meta constraints -> |
e6509c05 | 561 | let ty = Some [ty] in |
34e49164 C |
562 | let tok = check_meta(Ast.MetaExpDecl(arity,name,ty)) in |
563 | !Data.add_exp_meta ty name constraints pure; tok) } | |
34e49164 C |
564 | | TConstant ty=ioption(meta_exp_type) |
565 | { (fun arity name pure check_meta constraints -> | |
566 | let tok = check_meta(Ast.MetaConstDecl(arity,name,ty)) in | |
567 | !Data.add_const_meta ty name constraints pure; tok) } | |
568 | ||
e6509c05 C |
569 | expression_type: |
570 | m=nonempty_list(TMul) { P.ty_pointerify Type_cocci.Unknown m } | |
571 | | Tenum m=list(TMul) | |
572 | { P.ty_pointerify (Type_cocci.EnumName Type_cocci.NoName) m } | |
573 | | Tstruct m=list(TMul) | |
574 | { P.ty_pointerify | |
575 | (Type_cocci.StructUnionName (Type_cocci.Struct,Type_cocci.NoName)) m } | |
576 | | Tunion m=list(TMul) | |
577 | { P.ty_pointerify | |
578 | (Type_cocci.StructUnionName (Type_cocci.Union,Type_cocci.NoName)) m } | |
579 | ||
34e49164 C |
580 | %inline metakind_atomic_expe: |
581 | TExpression | |
582 | { (fun arity name pure check_meta constraints -> | |
583 | let tok = check_meta(Ast.MetaExpDecl(arity,name,None)) in | |
5636bb2c | 584 | !Data.add_exp_meta None name constraints pure; tok) } |
34e49164 C |
585 | | vl=meta_exp_type // no error if use $1 but doesn't type check |
586 | { (fun arity name pure check_meta constraints -> | |
587 | let ty = Some vl in | |
5636bb2c C |
588 | (match constraints with |
589 | Ast0.NotExpCstrt constraints -> | |
590 | List.iter | |
591 | (function c -> | |
592 | match Ast0.unwrap c with | |
593 | Ast0.Constant(_) -> | |
594 | if not | |
595 | (List.exists | |
596 | (function | |
597 | Type_cocci.BaseType(Type_cocci.IntType) -> true | |
598 | | Type_cocci.BaseType(Type_cocci.ShortType) -> true | |
599 | | Type_cocci.BaseType(Type_cocci.LongType) -> true | |
600 | | _ -> false) | |
601 | vl) | |
602 | then | |
603 | failwith "metavariable with int constraint must be an int" | |
604 | | _ -> ()) | |
605 | constraints | |
606 | | _ -> ()); | |
34e49164 | 607 | let tok = check_meta(Ast.MetaExpDecl(arity,name,ty)) in |
5636bb2c | 608 | !Data.add_exp_meta ty name constraints pure; tok) |
951c7801 | 609 | } |
34e49164 | 610 | |
34e49164 | 611 | meta_exp_type: |
978fd7e5 | 612 | t=typedef_ctype |
34e49164 | 613 | { [Ast0_cocci.ast0_type_to_type t] } |
5626f154 C |
614 | | t=typedef_ctype TOCro TCCro |
615 | { [Type_cocci.Array (Ast0_cocci.ast0_type_to_type t)] } | |
34e49164 C |
616 | | TOBrace t=comma_list(ctype) TCBrace m=list(TMul) |
617 | { List.map | |
618 | (function x -> P.ty_pointerify (Ast0_cocci.ast0_type_to_type x) m) | |
619 | t } | |
620 | ||
621 | arity: TBang0 { Ast.UNIQUE } | |
622 | | TWhy0 { Ast.OPT } | |
623 | | TPlus0 { Ast.MULTI } | |
624 | | /* empty */ { Ast.NONE } | |
625 | ||
978fd7e5 C |
626 | /* ---------------------------------------------------------------------- */ |
627 | ||
628 | %inline | |
629 | signable_types: | |
630 | ty=Tchar | |
631 | { Ast0.wrap(Ast0.BaseType(Ast.CharType,[P.clt2mcode "char" ty])) } | |
632 | | ty=Tshort | |
633 | { Ast0.wrap(Ast0.BaseType(Ast.ShortType,[P.clt2mcode "short" ty])) } | |
634 | | ty=Tint | |
635 | { Ast0.wrap(Ast0.BaseType(Ast.IntType,[P.clt2mcode "int" ty])) } | |
636 | | p=TMetaType | |
637 | { let (nm,pure,clt) = p in | |
638 | Ast0.wrap(Ast0.MetaType(P.clt2mcode nm clt,pure)) } | |
639 | | r=TRuleName TDot p=TIdent | |
640 | { let nm = (r,P.id2name p) in | |
641 | (* this is only possible when we are in a metavar decl. Otherwise, | |
642 | it will be represented already as a MetaType *) | |
643 | let _ = P.check_meta(Ast.MetaTypeDecl(Ast.NONE,nm)) in | |
644 | Ast0.wrap(Ast0.MetaType(P.clt2mcode nm (P.id2clt p), | |
645 | Ast0.Impure (*will be ignored*))) } | |
646 | | ty=Tlong | |
647 | { Ast0.wrap(Ast0.BaseType(Ast.LongType,[P.clt2mcode "long" ty])) } | |
648 | | ty1=Tlong ty2=Tlong | |
649 | { Ast0.wrap | |
650 | (Ast0.BaseType | |
651 | (Ast.LongLongType, | |
652 | [P.clt2mcode "long" ty1;P.clt2mcode "long" ty2])) } | |
653 | ||
654 | %inline | |
655 | non_signable_types: | |
656 | ty=Tvoid | |
657 | { Ast0.wrap(Ast0.BaseType(Ast.VoidType,[P.clt2mcode "void" ty])) } | |
658 | | ty=Tdouble | |
659 | { Ast0.wrap(Ast0.BaseType(Ast.DoubleType,[P.clt2mcode "double" ty])) } | |
660 | | ty=Tfloat | |
661 | { Ast0.wrap(Ast0.BaseType(Ast.FloatType,[P.clt2mcode "float" ty])) } | |
1eddfd50 C |
662 | | ty=Tsize_t |
663 | { Ast0.wrap(Ast0.BaseType(Ast.SizeType,[P.clt2mcode "size_t" ty])) } | |
664 | | ty=Tssize_t | |
665 | { Ast0.wrap(Ast0.BaseType(Ast.SSizeType,[P.clt2mcode "ssize_t" ty])) } | |
666 | | ty=Tptrdiff_t | |
667 | { Ast0.wrap(Ast0.BaseType(Ast.PtrDiffType,[P.clt2mcode "ptrdiff_t" ty])) } | |
978fd7e5 | 668 | | s=Tenum i=ident |
c491d8ee C |
669 | { Ast0.wrap(Ast0.EnumName(P.clt2mcode "enum" s, Some i)) } |
670 | | s=Tenum i=ioption(ident) l=TOBrace ids=enum_decl_list r=TCBrace | |
671 | { (if i = None && !Data.in_iso | |
672 | then failwith "enums must be named in the iso file"); | |
673 | Ast0.wrap(Ast0.EnumDef(Ast0.wrap(Ast0.EnumName(P.clt2mcode "enum" s, i)), | |
674 | P.clt2mcode "{" l, ids, P.clt2mcode "}" r)) } | |
ca417fcf | 675 | | s=struct_or_union i=type_ident // allow typedef name |
978fd7e5 | 676 | { Ast0.wrap(Ast0.StructUnionName(s, Some i)) } |
ca417fcf | 677 | | s=struct_or_union i=ioption(type_ident) |
978fd7e5 C |
678 | l=TOBrace d=struct_decl_list r=TCBrace |
679 | { (if i = None && !Data.in_iso | |
680 | then failwith "structures must be named in the iso file"); | |
681 | Ast0.wrap(Ast0.StructUnionDef(Ast0.wrap(Ast0.StructUnionName(s, i)), | |
682 | P.clt2mcode "{" l, | |
683 | d, P.clt2mcode "}" r)) } | |
684 | | s=TMetaType l=TOBrace d=struct_decl_list r=TCBrace | |
685 | { let (nm,pure,clt) = s in | |
686 | let ty = Ast0.wrap(Ast0.MetaType(P.clt2mcode nm clt,pure)) in | |
687 | Ast0.wrap(Ast0.StructUnionDef(ty,P.clt2mcode "{" l,d,P.clt2mcode "}" r)) } | |
688 | | p=TTypeId | |
689 | { Ast0.wrap(Ast0.TypeName(P.id2mcode p)) } | |
690 | ||
691 | %inline | |
692 | all_basic_types: | |
693 | r=Tsigned ty=signable_types | |
694 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Signed r,Some ty)) } | |
695 | | r=Tunsigned ty=signable_types | |
696 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Unsigned r,Some ty)) } | |
697 | | ty=signable_types { ty } | |
698 | | ty=non_signable_types { ty } | |
699 | ||
700 | ctype: | |
701 | cv=ioption(const_vol) ty=all_basic_types m=list(TMul) | |
702 | { P.pointerify (P.make_cv cv ty) m } | |
703 | | r=Tsigned | |
704 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Signed r,None)) } | |
705 | | r=Tunsigned | |
706 | { Ast0.wrap(Ast0.Signed(P.clt2mcode Ast.Unsigned r,None)) } | |
707 | | lp=TOPar0 t=midzero_list(ctype,ctype) rp=TCPar0 | |
708 | { let (mids,code) = t in | |
709 | Ast0.wrap | |
710 | (Ast0.DisjType(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } | |
711 | ||
b23ff9c7 C |
712 | mctype: |
713 | | TMeta { tmeta_to_type $1 } | |
714 | | ctype {$1} | |
715 | ||
978fd7e5 C |
716 | /* signed, unsigned alone not allowed */ |
717 | typedef_ctype: | |
718 | cv=ioption(const_vol) ty=all_basic_types m=list(TMul) | |
719 | { P.pointerify (P.make_cv cv ty) m } | |
b23ff9c7 | 720 | | lp=TOPar0 t=midzero_list(mctype,mctype) rp=TCPar0 |
978fd7e5 C |
721 | { let (mids,code) = t in |
722 | Ast0.wrap | |
723 | (Ast0.DisjType(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } | |
b23ff9c7 | 724 | | TMeta { tmeta_to_type $1 } |
978fd7e5 C |
725 | |
726 | /* ---------------------------------------------------------------------- */ | |
34e49164 C |
727 | |
728 | struct_or_union: | |
729 | s=Tstruct { P.clt2mcode Ast.Struct s } | |
730 | | u=Tunion { P.clt2mcode Ast.Union u } | |
731 | ||
732 | struct_decl: | |
c491d8ee C |
733 | TNothing { [] } |
734 | | struct_decl_one { [$1] } | |
735 | ||
736 | struct_decl_one: | |
737 | | TMetaField { P.meta_field $1 } | |
190f1acf | 738 | | TMetaFieldList { P.meta_field_list $1 } |
b23ff9c7 | 739 | | TMeta { tmeta_to_field $1 } |
34e49164 C |
740 | | t=ctype d=d_ident pv=TPtVirg |
741 | { let (id,fn) = d in | |
c491d8ee | 742 | Ast0.wrap(Ast0.UnInit(None,fn t,id,P.clt2mcode ";" pv)) } |
978fd7e5 | 743 | | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
744 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar pv=TPtVirg |
745 | { let (id,fn) = d in | |
746 | let t = | |
747 | Ast0.wrap | |
748 | (Ast0.FunctionPointer | |
749 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
750 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
c491d8ee | 751 | Ast0.wrap(Ast0.UnInit(None,fn t,id,P.clt2mcode ";" pv)) } |
34e49164 C |
752 | | cv=ioption(const_vol) i=pure_ident d=d_ident pv=TPtVirg |
753 | { let (id,fn) = d in | |
754 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
c491d8ee | 755 | Ast0.wrap(Ast0.UnInit(None,fn idtype,id,P.clt2mcode ";" pv)) } |
34e49164 C |
756 | |
757 | struct_decl_list: | |
758 | struct_decl_list_start { Ast0.wrap(Ast0.DOTS($1)) } | |
759 | ||
760 | struct_decl_list_start: | |
761 | struct_decl { $1 } | |
762 | | struct_decl struct_decl_list_start { $1@$2 } | |
c491d8ee C |
763 | | d=edots_when(TEllipsis,struct_decl_one) r=continue_struct_decl_list |
764 | { (P.mkddots_one "..." d)::r } | |
34e49164 C |
765 | |
766 | continue_struct_decl_list: | |
767 | /* empty */ { [] } | |
768 | | struct_decl struct_decl_list_start { $1@$2 } | |
769 | | struct_decl { $1 } | |
770 | ||
34e49164 | 771 | |
c491d8ee C |
772 | /* ---------------------------------------------------------------------- */ |
773 | /* very restricted what kinds of expressions can appear in an enum decl */ | |
774 | ||
775 | enum_decl_one: | |
d3f655c6 C |
776 | | disj_ident { Ast0.wrap(Ast0.Ident($1)) } |
777 | | disj_ident TEq enum_val | |
c491d8ee C |
778 | { let id = Ast0.wrap(Ast0.Ident($1)) in |
779 | Ast0.wrap | |
780 | (Ast0.Assignment | |
781 | (id,P.clt2mcode Ast.SimpleAssign $2,Ast0.set_arg_exp $3, | |
782 | false)) } | |
783 | ||
784 | enum_val: | |
785 | ident { Ast0.wrap(Ast0.Ident($1)) } | |
786 | | TInt | |
787 | { let (x,clt) = $1 in | |
788 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Int x) clt)) } | |
b23ff9c7 | 789 | | TMeta { tmeta_to_exp $1 } |
c491d8ee C |
790 | | TMetaConst |
791 | { let (nm,constraints,pure,ty,clt) = $1 in | |
792 | Ast0.wrap | |
793 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.CONST,pure)) } | |
794 | | TMetaExp | |
795 | { let (nm,constraints,pure,ty,clt) = $1 in | |
796 | Ast0.wrap | |
797 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ANY,pure)) } | |
798 | | TMetaIdExp | |
799 | { let (nm,constraints,pure,ty,clt) = $1 in | |
800 | Ast0.wrap | |
801 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ID,pure)) } | |
802 | ||
803 | enum_decl_list: | |
804 | nonempty_list_start(enum_decl_one,edots_when(TEllipsis,enum_decl_one)) | |
805 | { Ast0.wrap(Ast0.DOTS($1 P.mkedots (fun c -> Ast0.EComma c))) } | |
806 | ||
34e49164 C |
807 | /*****************************************************************************/ |
808 | ||
809 | /* have to inline everything to avoid conflicts? switch to proper | |
810 | declarations, statements, and expressions for the subterms */ | |
811 | ||
faf9a90c | 812 | minus_body: |
34e49164 C |
813 | f=loption(filespec) |
814 | b=loption(minus_start) | |
978fd7e5 C |
815 | /*ew=loption(error_words)*/ |
816 | { match f@b(*@ew*) with | |
34e49164 | 817 | [] -> raise (Semantic_cocci.Semantic "minus slice can't be empty") |
65038c61 | 818 | | code -> code } |
34e49164 | 819 | |
faf9a90c | 820 | plus_body: |
34e49164 C |
821 | f=loption(filespec) |
822 | b=loption(plus_start) | |
978fd7e5 | 823 | /*ew=loption(error_words)*/ |
65038c61 | 824 | { f@b(*@ew*) } |
34e49164 C |
825 | |
826 | minus_exp_body: | |
827 | f=loption(filespec) | |
828 | b=top_eexpr | |
978fd7e5 C |
829 | /*ew=loption(error_words)*/ |
830 | { match f@[b](*@ew*) with | |
34e49164 | 831 | [] -> raise (Semantic_cocci.Semantic "minus slice can't be empty") |
65038c61 | 832 | | code -> code } |
34e49164 C |
833 | |
834 | plus_exp_body: | |
835 | f=loption(filespec) | |
836 | b=top_eexpr | |
978fd7e5 | 837 | /*ew=loption(error_words)*/ |
65038c61 | 838 | { f@[b](*@ew*) } |
34e49164 C |
839 | |
840 | filespec: | |
841 | TMinusFile TPlusFile | |
842 | { [Ast0.wrap | |
843 | (Ast0.FILEINFO(P.id2mcode $1, | |
844 | P.id2mcode $2))] } | |
845 | ||
846 | includes: | |
847 | TIncludeL | |
848 | { Ast0.wrap | |
7f004419 C |
849 | (Ast0.Include(P.clt2mcode "#include" |
850 | (P.drop_pos (P.drop_aft (P.id2clt $1))), | |
34e49164 C |
851 | let (arity,ln,lln,offset,col,strbef,straft,pos) = |
852 | P.id2clt $1 in | |
853 | let clt = | |
854 | (arity,ln,lln,offset,0,strbef,straft,pos) in | |
855 | P.clt2mcode | |
856 | (Ast.Local (Parse_aux.str2inc (P.id2name $1))) | |
857 | (P.drop_bef clt))) } | |
858 | | TIncludeNL | |
859 | { Ast0.wrap | |
7f004419 C |
860 | (Ast0.Include(P.clt2mcode "#include" |
861 | (P.drop_pos (P.drop_aft (P.id2clt $1))), | |
34e49164 C |
862 | let (arity,ln,lln,offset,col,strbef,straft,pos) = |
863 | P.id2clt $1 in | |
864 | let clt = | |
865 | (arity,ln,lln,offset,0,strbef,straft,pos) in | |
866 | P.clt2mcode | |
867 | (Ast.NonLocal (Parse_aux.str2inc (P.id2name $1))) | |
868 | (P.drop_bef clt))) } | |
3a314143 C |
869 | | TUndef TLineEnd |
870 | { let (clt,ident) = $1 in | |
8f657093 | 871 | let aft = P.get_aft clt in (* move stuff after the define to the ident *) |
3a314143 C |
872 | Ast0.wrap |
873 | (Ast0.Undef | |
8f657093 | 874 | (P.clt2mcode "#undef" (P.drop_aft clt), |
3a314143 | 875 | (match ident with |
8babbc8f | 876 | TMetaId((nm,constraints,seed,pure,clt)) -> |
8f657093 | 877 | let clt = P.set_aft aft clt in |
8babbc8f | 878 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,seed,pure)) |
8f657093 C |
879 | | TIdent((nm,clt)) -> |
880 | let clt = P.set_aft aft clt in | |
881 | Ast0.wrap(Ast0.Id(P.clt2mcode nm clt)) | |
3a314143 C |
882 | | _ -> |
883 | raise | |
884 | (Semantic_cocci.Semantic | |
885 | "unexpected name for a #define")))) } | |
5636bb2c C |
886 | | d=defineop TLineEnd |
887 | { d (Ast0.wrap(Ast0.DOTS([]))) } | |
34e49164 C |
888 | | d=defineop t=ctype TLineEnd |
889 | { let ty = Ast0.wrap(Ast0.TopExp(Ast0.wrap(Ast0.TypeExp(t)))) in | |
890 | d (Ast0.wrap(Ast0.DOTS([ty]))) } | |
891 | | defineop b=toplevel_seq_start(toplevel_after_dots) TLineEnd | |
892 | { let body = | |
893 | match b with | |
894 | [e] -> | |
895 | (match Ast0.unwrap e with | |
896 | Ast0.Exp(e1) -> | |
897 | [Ast0.rewrap e (Ast0.TopExp(Ast0.set_arg_exp (e1)))] | |
898 | | _ -> b) | |
899 | | _ -> b in | |
900 | $1 (Ast0.wrap(Ast0.DOTS(body))) } | |
901 | ||
902 | defineop: | |
903 | TDefine | |
904 | { let (clt,ident) = $1 in | |
8f657093 | 905 | let aft = P.get_aft clt in (* move stuff after the define to the ident *) |
34e49164 C |
906 | function body -> |
907 | Ast0.wrap | |
908 | (Ast0.Define | |
8f657093 | 909 | (P.clt2mcode "#define" (P.drop_aft clt), |
34e49164 | 910 | (match ident with |
8babbc8f | 911 | TMetaId((nm,constraints,seed,pure,clt)) -> |
8f657093 | 912 | let clt = P.set_aft aft clt in |
8babbc8f C |
913 | Ast0.wrap |
914 | (Ast0.MetaId(P.clt2mcode nm clt,constraints,seed,pure)) | |
8f657093 C |
915 | | TIdent((nm,clt)) -> |
916 | let clt = P.set_aft aft clt in | |
917 | Ast0.wrap(Ast0.Id(P.clt2mcode nm clt)) | |
34e49164 C |
918 | | _ -> |
919 | raise | |
920 | (Semantic_cocci.Semantic | |
921 | "unexpected name for a #define")), | |
922 | Ast0.wrap Ast0.NoParams, | |
923 | body)) } | |
924 | | TDefineParam define_param_list_option TCPar | |
708f4980 | 925 | { let (clt,ident,parenoff,parencol) = $1 in |
8f657093 | 926 | let aft = P.get_aft clt in (* move stuff after the define to the ( *) |
708f4980 | 927 | (* clt is the start of the #define itself *) |
34e49164 C |
928 | let (arity,line,lline,offset,col,strbef,straft,pos) = clt in |
929 | let lp = | |
0708f913 | 930 | P.clt2mcode "(" |
8f657093 | 931 | (arity,line,lline,parenoff,parencol,[],[],[]) in |
34e49164 C |
932 | function body -> |
933 | Ast0.wrap | |
934 | (Ast0.Define | |
8f657093 | 935 | (P.clt2mcode "#define" (P.drop_aft clt), |
34e49164 | 936 | (match ident with |
8babbc8f C |
937 | TMetaId((nm,constraints,seed,pure,clt)) -> |
938 | Ast0.wrap | |
939 | (Ast0.MetaId(P.clt2mcode nm clt,constraints,seed,pure)) | |
8f657093 C |
940 | | TIdent((nm,clt)) -> |
941 | Ast0.wrap(Ast0.Id(P.clt2mcode nm clt)) | |
34e49164 C |
942 | | _ -> |
943 | raise | |
944 | (Semantic_cocci.Semantic | |
945 | "unexpected name for a #define")), | |
8f657093 C |
946 | (let clt = P.set_aft aft $3 in |
947 | Ast0.wrap (Ast0.DParams (lp,$2,P.clt2mcode ")" clt))),body)) } | |
34e49164 C |
948 | |
949 | /* ---------------------------------------------------------------------- */ | |
950 | ||
b23ff9c7 | 951 | dparam: mident { Ast0.wrap(Ast0.DParam $1) } |
c491d8ee C |
952 | |
953 | define_param_list_option: | |
954 | empty_list_start(dparam,TEllipsis) | |
955 | { Ast0.wrap | |
956 | (Ast0.DOTS | |
957 | ($1 | |
958 | (fun _ d -> Ast0.wrap(Ast0.DPdots(P.clt2mcode "," d))) | |
959 | (fun c -> Ast0.DPComma c))) } | |
34e49164 C |
960 | |
961 | /*****************************************************************************/ | |
962 | ||
963 | funproto: | |
964 | s=ioption(storage) t=ctype | |
b23ff9c7 | 965 | id=fn_ident lp=TOPar d=decl_list(name_opt_decl) rp=TCPar pt=TPtVirg |
34e49164 C |
966 | { Ast0.wrap |
967 | (Ast0.UnInit | |
968 | (s, | |
969 | Ast0.wrap | |
970 | (Ast0.FunctionType(Some t, | |
971 | P.clt2mcode "(" lp, d, P.clt2mcode ")" rp)), | |
972 | id, P.clt2mcode ";" pt)) } | |
34e49164 C |
973 | |
974 | fundecl: | |
975 | f=fninfo | |
b23ff9c7 | 976 | TFunDecl i=fn_ident lp=TOPar d=decl_list(decl) rp=TCPar |
34e49164 | 977 | lb=TOBrace b=fun_start rb=TCBrace |
978fd7e5 C |
978 | { P.verify_parameter_declarations (Ast0.undots d); |
979 | Ast0.wrap(Ast0.FunDecl((Ast0.default_info(),Ast0.context_befaft()), | |
34e49164 C |
980 | f, i, |
981 | P.clt2mcode "(" lp, d, | |
982 | P.clt2mcode ")" rp, | |
983 | P.clt2mcode "{" lb, b, | |
984 | P.clt2mcode "}" rb)) } | |
985 | ||
986 | fninfo: | |
987 | /* empty */ { [] } | |
988 | | storage fninfo | |
989 | { try | |
990 | let _ = | |
991 | List.find (function Ast0.FStorage(_) -> true | _ -> false) $2 in | |
992 | raise (Semantic_cocci.Semantic "duplicate storage") | |
993 | with Not_found -> (Ast0.FStorage($1))::$2 } | |
978fd7e5 | 994 | | t=ctype r=fninfo_nt { (Ast0.FType(t))::r } |
34e49164 C |
995 | | Tinline fninfo |
996 | { try | |
997 | let _ = List.find (function Ast0.FInline(_) -> true | _ -> false) $2 in | |
998 | raise (Semantic_cocci.Semantic "duplicate inline") | |
999 | with Not_found -> (Ast0.FInline(P.clt2mcode "inline" $1))::$2 } | |
1000 | | Tattr fninfo | |
1001 | { try | |
1002 | let _ = List.find (function Ast0.FAttr(_) -> true | _ -> false) $2 in | |
1003 | raise (Semantic_cocci.Semantic "multiple attributes") | |
1004 | with Not_found -> (Ast0.FAttr(P.id2mcode $1))::$2 } | |
1005 | ||
1006 | fninfo_nt: | |
1007 | /* empty */ { [] } | |
1008 | | storage fninfo_nt | |
1009 | { try | |
1010 | let _ = | |
1011 | List.find (function Ast0.FStorage(_) -> true | _ -> false) $2 in | |
1012 | raise (Semantic_cocci.Semantic "duplicate storage") | |
1013 | with Not_found -> (Ast0.FStorage($1))::$2 } | |
1014 | | Tinline fninfo_nt | |
1015 | { try | |
1016 | let _ = List.find (function Ast0.FInline(_) -> true | _ -> false) $2 in | |
1017 | raise (Semantic_cocci.Semantic "duplicate inline") | |
1018 | with Not_found -> (Ast0.FInline(P.clt2mcode "inline" $1))::$2 } | |
1019 | | Tattr fninfo_nt | |
1020 | { try | |
1021 | let _ = List.find (function Ast0.FAttr(_) -> true | _ -> false) $2 in | |
1022 | raise (Semantic_cocci.Semantic "duplicate init") | |
1023 | with Not_found -> (Ast0.FAttr(P.id2mcode $1))::$2 } | |
1024 | ||
1025 | storage: | |
1026 | s=Tstatic { P.clt2mcode Ast.Static s } | |
1027 | | s=Tauto { P.clt2mcode Ast.Auto s } | |
1028 | | s=Tregister { P.clt2mcode Ast.Register s } | |
1029 | | s=Textern { P.clt2mcode Ast.Extern s } | |
1030 | ||
190f1acf C |
1031 | decl: t=ctype i=disj_ident a=list(array_dec) |
1032 | { let t = P.arrayify t a in Ast0.wrap(Ast0.Param(t, Some i)) } | |
978fd7e5 | 1033 | | t=ctype { (*verify in FunDecl*) Ast0.wrap(Ast0.Param(t, None)) } |
d3f655c6 | 1034 | | t=ctype lp=TOPar s=TMul i=disj_ident rp=TCPar |
34e49164 C |
1035 | lp1=TOPar d=decl_list(name_opt_decl) rp1=TCPar |
1036 | { let fnptr = | |
1037 | Ast0.wrap | |
1038 | (Ast0.FunctionPointer | |
1039 | (t,P.clt2mcode "(" lp,P.clt2mcode "*" s,P.clt2mcode ")" rp, | |
1040 | P.clt2mcode "(" lp1,d,P.clt2mcode ")" rp1)) in | |
1041 | Ast0.wrap(Ast0.Param(fnptr, Some i)) } | |
34e49164 C |
1042 | | TMetaParam |
1043 | { let (nm,pure,clt) = $1 in | |
1044 | Ast0.wrap(Ast0.MetaParam(P.clt2mcode nm clt,pure)) } | |
b23ff9c7 | 1045 | | TMeta { tmeta_to_param $1 } |
34e49164 C |
1046 | |
1047 | name_opt_decl: | |
1048 | decl { $1 } | |
978fd7e5 | 1049 | | t=ctype lp=TOPar s=TMul rp=TCPar |
34e49164 C |
1050 | lp1=TOPar d=decl_list(name_opt_decl) rp1=TCPar |
1051 | { let fnptr = | |
1052 | Ast0.wrap | |
1053 | (Ast0.FunctionPointer | |
1054 | (t,P.clt2mcode "(" lp,P.clt2mcode "*" s,P.clt2mcode ")" rp, | |
1055 | P.clt2mcode "(" lp1,d,P.clt2mcode ")" rp1)) in | |
1056 | Ast0.wrap(Ast0.Param(fnptr, None)) } | |
1057 | ||
1058 | const_vol: | |
1059 | Tconst { P.clt2mcode Ast.Const $1 } | |
1060 | | Tvolatile { P.clt2mcode Ast.Volatile $1 } | |
1061 | ||
1062 | /*****************************************************************************/ | |
1063 | ||
1064 | statement: | |
1065 | includes { $1 } /* shouldn't be allowed to be a single_statement... */ | |
b23ff9c7 | 1066 | | TMeta { tmeta_to_statement $1} |
34e49164 C |
1067 | | TMetaStm |
1068 | { P.meta_stm $1 } | |
8babbc8f | 1069 | | option(expr) TPtVirg |
34e49164 C |
1070 | { P.exp_stm $1 $2 } |
1071 | | TIf TOPar eexpr TCPar single_statement %prec TIf | |
1072 | { P.ifthen $1 $2 $3 $4 $5 } | |
1073 | | TIf TOPar eexpr TCPar single_statement TElse single_statement | |
1074 | { P.ifthenelse $1 $2 $3 $4 $5 $6 $7 } | |
1075 | | TFor TOPar option(eexpr) TPtVirg option(eexpr) TPtVirg | |
1076 | option(eexpr) TCPar single_statement | |
1077 | { P.forloop $1 $2 $3 $4 $5 $6 $7 $8 $9 } | |
1078 | | TWhile TOPar eexpr TCPar single_statement | |
1079 | { P.whileloop $1 $2 $3 $4 $5 } | |
1080 | | TDo single_statement TWhile TOPar eexpr TCPar TPtVirg | |
1081 | { P.doloop $1 $2 $3 $4 $5 $6 $7 } | |
1082 | | iter_ident TOPar eexpr_list_option TCPar single_statement | |
1083 | { P.iterator $1 $2 $3 $4 $5 } | |
fc1ad971 C |
1084 | | TSwitch TOPar eexpr TCPar TOBrace list(decl_var) list(case_line) TCBrace |
1085 | { P.switch $1 $2 $3 $4 $5 (List.concat $6) $7 $8 } | |
34e49164 C |
1086 | | TReturn eexpr TPtVirg { P.ret_exp $1 $2 $3 } |
1087 | | TReturn TPtVirg { P.ret $1 $2 } | |
1088 | | TBreak TPtVirg { P.break $1 $2 } | |
1089 | | TContinue TPtVirg { P.cont $1 $2 } | |
b23ff9c7 | 1090 | | mident TDotDot { P.label $1 $2 } |
d3f655c6 | 1091 | | TGoto disj_ident TPtVirg { P.goto $1 $2 $3 } |
34e49164 C |
1092 | | TOBrace fun_start TCBrace |
1093 | { P.seq $1 $2 $3 } | |
1094 | ||
1095 | stm_dots: | |
1096 | TEllipsis w=list(whenppdecs) | |
1097 | { Ast0.wrap(Ast0.Dots(P.clt2mcode "..." $1, List.concat w)) } | |
1098 | | TOEllipsis w=list(whenppdecs) b=nest_start c=TCEllipsis | |
1099 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<..." $1, b, | |
1100 | P.clt2mcode "...>" c, List.concat w, false)) } | |
1101 | | TPOEllipsis w=list(whenppdecs) b=nest_start c=TPCEllipsis | |
1102 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<+..." $1, b, | |
1103 | P.clt2mcode "...+>" c, List.concat w, true)) } | |
1104 | ||
faf9a90c C |
1105 | %inline stm_dots_ell: |
1106 | a=TEllipsis w=list(whenppdecs) | |
1107 | { Ast0.wrap(Ast0.Dots(P.clt2mcode "..." a, List.concat w)) } | |
1108 | ||
1109 | %inline stm_dots_nest: | |
1110 | a=TOEllipsis w=list(whenppdecs) b=nest_start c=TCEllipsis | |
1111 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<..." a, b, | |
1112 | P.clt2mcode "...>" c, List.concat w, false)) } | |
1113 | | a=TPOEllipsis w=list(whenppdecs) b=nest_start c=TPCEllipsis | |
1114 | { Ast0.wrap(Ast0.Nest(P.clt2mcode "<+..." a, b, | |
1115 | P.clt2mcode "...+>" c, List.concat w, true)) } | |
1116 | ||
708f4980 | 1117 | whenppdecs: w=whens(when_start,rule_elem_statement,any_strict) |
34e49164 C |
1118 | { w } |
1119 | ||
1120 | /* a statement that fits into a single rule_elem. should nests be included? | |
1121 | what about statement metavariables? */ | |
1122 | rule_elem_statement: | |
1123 | one_decl_var | |
1124 | { Ast0.wrap(Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),$1)) } | |
8babbc8f | 1125 | | option(expr) TPtVirg { P.exp_stm $1 $2 } |
34e49164 C |
1126 | | TReturn eexpr TPtVirg { P.ret_exp $1 $2 $3 } |
1127 | | TReturn TPtVirg { P.ret $1 $2 } | |
1128 | | TBreak TPtVirg { P.break $1 $2 } | |
1129 | | TContinue TPtVirg { P.cont $1 $2 } | |
1130 | | TOPar0 midzero_list(rule_elem_statement,rule_elem_statement) TCPar0 | |
1131 | { let (mids,code) = $2 in | |
1132 | Ast0.wrap | |
1133 | (Ast0.Disj(P.clt2mcode "(" $1, | |
1134 | List.map (function x -> Ast0.wrap(Ast0.DOTS([x]))) code, | |
1135 | mids, P.clt2mcode ")" $3)) } | |
1136 | ||
1137 | /* a statement on its own */ | |
1138 | single_statement: | |
1139 | statement { $1 } | |
1140 | | TOPar0 midzero_list(statement,statement) TCPar0 | |
1141 | /* degenerate case, elements are single statements and thus don't | |
1142 | contain dots */ | |
1143 | { let (mids,code) = $2 in | |
1144 | Ast0.wrap | |
1145 | (Ast0.Disj(P.clt2mcode "(" $1, | |
1146 | List.map (function x -> Ast0.wrap(Ast0.DOTS([x]))) code, | |
1147 | mids, P.clt2mcode ")" $3)) } | |
1148 | ||
1149 | case_line: | |
1150 | TDefault TDotDot fun_start | |
fc1ad971 C |
1151 | { Ast0.wrap |
1152 | (Ast0.Default(P.clt2mcode "default" $1,P.clt2mcode ":" $2,$3)) } | |
34e49164 C |
1153 | | TCase eexpr TDotDot fun_start |
1154 | { Ast0.wrap(Ast0.Case(P.clt2mcode "case" $1,$2,P.clt2mcode ":" $3,$4)) } | |
fc1ad971 C |
1155 | /* | lp=TOPar0 t=midzero_list(case_line,case_line) rp=TCPar0 |
1156 | { let (mids,code) = ([],[t]) in | |
1157 | Ast0.wrap | |
1158 | (Ast0.DisjCase(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } */ | |
34e49164 C |
1159 | |
1160 | /* In the following, an identifier as a type is not fully supported. Indeed, | |
1161 | the language is ambiguous: what is foo * bar; */ | |
1162 | /* The AST DisjDecl cannot be generated because it would be ambiguous with | |
1163 | a disjunction on a statement with a declaration in each branch */ | |
1164 | decl_var: | |
1165 | t=ctype pv=TPtVirg | |
1166 | { [Ast0.wrap(Ast0.TyDecl(t,P.clt2mcode ";" pv))] } | |
413ffc02 | 1167 | | TMetaDecl { [P.meta_decl $1] } |
34e49164 C |
1168 | | s=ioption(storage) t=ctype d=comma_list(d_ident) pv=TPtVirg |
1169 | { List.map | |
1170 | (function (id,fn) -> | |
1171 | Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv))) | |
1172 | d } | |
1173 | | f=funproto { [f] } | |
1174 | | s=ioption(storage) t=ctype d=d_ident q=TEq e=initialize pv=TPtVirg | |
1175 | {let (id,fn) = d in | |
1176 | [Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv))]} | |
1177 | /* type is a typedef name */ | |
1178 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident | |
1179 | d=comma_list(d_ident) pv=TPtVirg | |
1180 | { List.map | |
1181 | (function (id,fn) -> | |
1182 | let idtype = | |
1183 | P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1184 | Ast0.wrap(Ast0.UnInit(s,fn idtype,id,P.clt2mcode ";" pv))) | |
1185 | d } | |
1186 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident d=d_ident q=TEq | |
1187 | e=initialize pv=TPtVirg | |
1188 | { let (id,fn) = d in | |
1189 | !Data.add_type_name (P.id2name i); | |
1190 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1191 | [Ast0.wrap(Ast0.Init(s,fn idtype,id,P.clt2mcode "=" q,e, | |
1192 | P.clt2mcode ";" pv))] } | |
1193 | /* function pointer type */ | |
1194 | | s=ioption(storage) | |
978fd7e5 | 1195 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1196 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1197 | pv=TPtVirg | |
1198 | { let (id,fn) = d in | |
1199 | let t = | |
1200 | Ast0.wrap | |
1201 | (Ast0.FunctionPointer | |
1202 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1203 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1204 | [Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv))] } | |
1205 | | decl_ident TOPar eexpr_list_option TCPar TPtVirg | |
1206 | { [Ast0.wrap(Ast0.MacroDecl($1,P.clt2mcode "(" $2,$3, | |
faf9a90c | 1207 | P.clt2mcode ")" $4,P.clt2mcode ";" $5))] } |
34e49164 | 1208 | | s=ioption(storage) |
978fd7e5 | 1209 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1210 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1211 | q=TEq e=initialize pv=TPtVirg | |
1212 | { let (id,fn) = d in | |
1213 | let t = | |
1214 | Ast0.wrap | |
1215 | (Ast0.FunctionPointer | |
1216 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1217 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1218 | [Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv))]} | |
002099fc | 1219 | | s=Ttypedef t=typedef_ctype id=comma_list(typedef_ident) pv=TPtVirg |
34e49164 | 1220 | { let s = P.clt2mcode "typedef" s in |
002099fc C |
1221 | List.map |
1222 | (function id -> | |
1223 | Ast0.wrap(Ast0.Typedef(s,t,id,P.clt2mcode ";" pv))) | |
1224 | id } | |
34e49164 C |
1225 | |
1226 | one_decl_var: | |
1227 | t=ctype pv=TPtVirg | |
1228 | { Ast0.wrap(Ast0.TyDecl(t,P.clt2mcode ";" pv)) } | |
413ffc02 | 1229 | | TMetaDecl { P.meta_decl $1 } |
34e49164 C |
1230 | | s=ioption(storage) t=ctype d=d_ident pv=TPtVirg |
1231 | { let (id,fn) = d in | |
1232 | Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv)) } | |
1233 | | f=funproto { f } | |
1234 | | s=ioption(storage) t=ctype d=d_ident q=TEq e=initialize pv=TPtVirg | |
1235 | { let (id,fn) = d in | |
1236 | Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv)) } | |
1237 | /* type is a typedef name */ | |
1238 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident | |
1239 | d=d_ident pv=TPtVirg | |
1240 | { let (id,fn) = d in | |
1241 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1242 | Ast0.wrap(Ast0.UnInit(s,fn idtype,id,P.clt2mcode ";" pv)) } | |
1243 | | s=ioption(storage) cv=ioption(const_vol) i=pure_ident d=d_ident q=TEq | |
1244 | e=initialize pv=TPtVirg | |
1245 | { let (id,fn) = d in | |
1246 | !Data.add_type_name (P.id2name i); | |
1247 | let idtype = P.make_cv cv (Ast0.wrap (Ast0.TypeName(P.id2mcode i))) in | |
1248 | Ast0.wrap(Ast0.Init(s,fn idtype,id,P.clt2mcode "=" q,e, | |
1249 | P.clt2mcode ";" pv)) } | |
1250 | /* function pointer type */ | |
1251 | | s=ioption(storage) | |
978fd7e5 | 1252 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1253 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1254 | pv=TPtVirg | |
1255 | { let (id,fn) = d in | |
1256 | let t = | |
1257 | Ast0.wrap | |
1258 | (Ast0.FunctionPointer | |
1259 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1260 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1261 | Ast0.wrap(Ast0.UnInit(s,fn t,id,P.clt2mcode ";" pv)) } | |
1262 | | decl_ident TOPar eexpr_list_option TCPar TPtVirg | |
1263 | { Ast0.wrap(Ast0.MacroDecl($1,P.clt2mcode "(" $2,$3, | |
faf9a90c | 1264 | P.clt2mcode ")" $4,P.clt2mcode ";" $5)) } |
34e49164 | 1265 | | s=ioption(storage) |
978fd7e5 | 1266 | t=ctype lp1=TOPar st=TMul d=d_ident rp1=TCPar |
34e49164 C |
1267 | lp2=TOPar p=decl_list(name_opt_decl) rp2=TCPar |
1268 | q=TEq e=initialize pv=TPtVirg | |
1269 | { let (id,fn) = d in | |
1270 | let t = | |
1271 | Ast0.wrap | |
1272 | (Ast0.FunctionPointer | |
1273 | (t,P.clt2mcode "(" lp1,P.clt2mcode "*" st,P.clt2mcode ")" rp1, | |
1274 | P.clt2mcode "(" lp2,p,P.clt2mcode ")" rp2)) in | |
1275 | Ast0.wrap(Ast0.Init(s,fn t,id,P.clt2mcode "=" q,e,P.clt2mcode ";" pv))} | |
1276 | ||
1277 | ||
1278 | d_ident: | |
d3f655c6 | 1279 | disj_ident list(array_dec) |
190f1acf | 1280 | { ($1, function t -> P.arrayify t $2) } |
34e49164 C |
1281 | |
1282 | array_dec: l=TOCro i=option(eexpr) r=TCCro { (l,i,r) } | |
1283 | ||
1284 | initialize: | |
1285 | eexpr | |
1286 | { Ast0.wrap(Ast0.InitExpr($1)) } | |
1287 | | TOBrace initialize_list TCBrace | |
c491d8ee C |
1288 | { if P.struct_initializer $2 |
1289 | then | |
1290 | let il = P.drop_dot_commas $2 in | |
1291 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,il,P.clt2mcode "}" $3,false)) | |
1292 | else | |
1293 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,$2,P.clt2mcode "}" $3,true)) } | |
113803cf C |
1294 | | TMetaInit |
1295 | {let (nm,pure,clt) = $1 in | |
1296 | Ast0.wrap(Ast0.MetaInit(P.clt2mcode nm clt,pure)) } | |
34e49164 C |
1297 | |
1298 | initialize2: | |
1299 | /*arithexpr and not eexpr because can have ambiguity with comma*/ | |
1300 | /*dots and nests probably not allowed at top level, haven't looked into why*/ | |
1301 | arith_expr(eexpr,invalid) { Ast0.wrap(Ast0.InitExpr($1)) } | |
1302 | | TOBrace initialize_list TCBrace | |
c491d8ee C |
1303 | { if P.struct_initializer $2 |
1304 | then | |
1305 | let il = P.drop_dot_commas $2 in | |
1306 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,il,P.clt2mcode "}" $3,false)) | |
1307 | else | |
1308 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,$2,P.clt2mcode "}" $3,true)) } | |
34e49164 | 1309 | /* gccext:, labeled elements */ |
c491d8ee | 1310 | | list(designator) TEq initialize2 /*can we have another of these on the rhs?*/ |
113803cf | 1311 | { Ast0.wrap(Ast0.InitGccExt($1,P.clt2mcode "=" $2,$3)) } |
b23ff9c7 | 1312 | | mident TDotDot initialize2 |
34e49164 | 1313 | { Ast0.wrap(Ast0.InitGccName($1,P.clt2mcode ":" $2,$3)) } /* in old kernel */ |
8f657093 C |
1314 | | TMetaInit |
1315 | {let (nm,pure,clt) = $1 in | |
1316 | Ast0.wrap(Ast0.MetaInit(P.clt2mcode nm clt,pure)) } | |
1317 | | TMetaInitList | |
1318 | {let (nm,lenname,pure,clt) = $1 in | |
1319 | let nm = P.clt2mcode nm clt in | |
1320 | let lenname = | |
1321 | match lenname with | |
1322 | Ast.AnyLen -> Ast0.AnyListLen | |
1323 | | Ast.MetaLen nm -> Ast0.MetaListLen(P.clt2mcode nm clt) | |
1324 | | Ast.CstLen n -> Ast0.CstListLen n in | |
1325 | Ast0.wrap(Ast0.MetaInitList(nm,lenname,pure)) } | |
113803cf | 1326 | |
951c7801 | 1327 | designator: |
d3f655c6 | 1328 | | TDot disj_ident |
951c7801 C |
1329 | { Ast0.DesignatorField (P.clt2mcode "." $1,$2) } |
1330 | | TOCro eexpr TCCro | |
113803cf | 1331 | { Ast0.DesignatorIndex (P.clt2mcode "[" $1,$2,P.clt2mcode "]" $3) } |
951c7801 | 1332 | | TOCro eexpr TEllipsis eexpr TCCro |
113803cf C |
1333 | { Ast0.DesignatorRange (P.clt2mcode "[" $1,$2,P.clt2mcode "..." $3, |
1334 | $4,P.clt2mcode "]" $5) } | |
34e49164 C |
1335 | |
1336 | initialize_list: | |
c491d8ee C |
1337 | empty_list_start(initialize2,edots_when(TEllipsis,initialize)) |
1338 | { Ast0.wrap(Ast0.DOTS($1 P.mkidots (fun c -> Ast0.IComma c))) } | |
34e49164 C |
1339 | |
1340 | /* a statement that is part of a list */ | |
1341 | decl_statement: | |
1342 | TMetaStmList | |
1343 | { let (nm,pure,clt) = $1 in | |
1344 | [Ast0.wrap(Ast0.MetaStmt(P.clt2mcode nm clt,pure))] } | |
1345 | | decl_var | |
1346 | { List.map | |
1347 | (function x -> | |
1348 | Ast0.wrap | |
1349 | (Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),x))) | |
1350 | $1 } | |
1351 | | statement { [$1] } | |
1352 | /* this doesn't allow expressions at top level, because the parser doesn't | |
1353 | know whether there is one. If there is one, this is not sequencible. | |
1354 | If there is not one, then it is. It seems complicated to get around | |
1355 | this at the parser level. We would have to have a check afterwards to | |
1356 | allow this. One case where this would be useful is for a when. Now | |
1357 | we allow a sequence of whens, so one can be on only statements and | |
1358 | one can be on only expressions. */ | |
1359 | | TOPar0 t=midzero_list(fun_start,fun_start) TCPar0 | |
1360 | { let (mids,code) = t in | |
1361 | if List.for_all | |
1362 | (function x -> | |
1363 | match Ast0.unwrap x with Ast0.DOTS([]) -> true | _ -> false) | |
1364 | code | |
1365 | then [] | |
1366 | else | |
1367 | [Ast0.wrap(Ast0.Disj(P.clt2mcode "(" $1, code, mids, | |
1368 | P.clt2mcode ")" $3))] } | |
1369 | ||
1370 | /* a statement that is part of a list */ | |
1371 | decl_statement_expr: | |
1372 | TMetaStmList | |
1373 | { let (nm,pure,clt) = $1 in | |
1374 | [Ast0.wrap(Ast0.MetaStmt(P.clt2mcode nm clt,pure))] } | |
1375 | | decl_var | |
1376 | { List.map | |
1377 | (function x -> | |
1378 | Ast0.wrap | |
1379 | (Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),x))) | |
1380 | $1 } | |
1381 | | statement { [$1] } | |
1382 | /* this doesn't allow expressions at top level, because the parser doesn't | |
1383 | know whether there is one. If there is one, this is not sequencible. | |
1384 | If there is not one, then it is. It seems complicated to get around | |
1385 | this at the parser level. We would have to have a check afterwards to | |
1386 | allow this. One case where this would be useful is for a when. Now | |
1387 | we allow a sequence of whens, so one can be on only statements and | |
1388 | one can be on only expressions. */ | |
1389 | | TOPar0 t=midzero_list(fun_after_stm,fun_after_dots_or) TCPar0 | |
1390 | { let (mids,code) = t in | |
1391 | if List.for_all (function [] -> true | _ -> false) code | |
1392 | then [] | |
1393 | else | |
1394 | let dot_code = | |
1395 | List.map (function x -> Ast0.wrap(Ast0.DOTS x)) code in | |
1396 | [Ast0.wrap(Ast0.Disj(P.clt2mcode "(" $1, dot_code, mids, | |
1397 | P.clt2mcode ")" $3))] } | |
1398 | ||
1399 | /*****************************************************************************/ | |
1400 | ||
3a314143 C |
1401 | /* expr cannot contain <... ...> at the top level. This can only |
1402 | be allowed as an expression when the expression is delimited on the left | |
1403 | by an expression-specific marker. In that case, the rule eexpr is used, which | |
34e49164 | 1404 | allows <... ...> anywhere. Hopefully, this will not be too much of a problem |
3a314143 C |
1405 | in practice. |
1406 | dot_expressions is the most permissive. all three kinds of expressions use | |
1407 | this once an expression_specific token has been seen */ | |
34e49164 C |
1408 | expr: basic_expr(expr,invalid) { $1 } |
1409 | /* allows ... and nests */ | |
1410 | eexpr: basic_expr(eexpr,dot_expressions) { $1 } | |
1411 | /* allows nests but not .... */ | |
1412 | dexpr: basic_expr(eexpr,nest_expressions) { $1 } | |
1413 | ||
1414 | top_eexpr: | |
1415 | eexpr { Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Exp($1)))) } | |
1416 | ||
1417 | invalid: | |
1418 | TInvalid { raise (Semantic_cocci.Semantic "not matchable") } | |
1419 | ||
1420 | dot_expressions: | |
1421 | TEllipsis { Ast0.wrap(Ast0.Edots(P.clt2mcode "..." $1,None)) } | |
1422 | | nest_expressions { $1 } | |
1423 | ||
485bce71 | 1424 | /* not clear what whencode would mean, so just drop it */ |
34e49164 | 1425 | nest_expressions: |
485bce71 | 1426 | TOEllipsis e=expr_dots(TEllipsis) c=TCEllipsis |
34e49164 C |
1427 | { Ast0.wrap(Ast0.NestExpr(P.clt2mcode "<..." $1, |
1428 | Ast0.wrap(Ast0.DOTS(e (P.mkedots "..."))), | |
485bce71 C |
1429 | P.clt2mcode "...>" c, None, false)) } |
1430 | | TPOEllipsis e=expr_dots(TEllipsis) c=TPCEllipsis | |
34e49164 C |
1431 | { Ast0.wrap(Ast0.NestExpr(P.clt2mcode "<+..." $1, |
1432 | Ast0.wrap(Ast0.DOTS(e (P.mkedots "..."))), | |
485bce71 | 1433 | P.clt2mcode "...+>" c, None, true)) } |
b23ff9c7 | 1434 | | TMeta { tmeta_to_exp $1 } |
34e49164 | 1435 | |
485bce71 | 1436 | //whenexp: TWhen TNotEq w=eexpr TLineEnd { w } |
34e49164 C |
1437 | |
1438 | basic_expr(recurser,primary_extra): | |
ca417fcf | 1439 | assign_expr(recurser,primary_extra) { $1 } |
34e49164 C |
1440 | |
1441 | assign_expr(r,pe): | |
1442 | cond_expr(r,pe) { $1 } | |
1443 | | unary_expr(r,pe) TAssign assign_expr_bis | |
1444 | { let (op,clt) = $2 in | |
1445 | Ast0.wrap(Ast0.Assignment($1,P.clt2mcode op clt, | |
1446 | Ast0.set_arg_exp $3,false)) } | |
1447 | | unary_expr(r,pe) TEq assign_expr_bis | |
1448 | { Ast0.wrap | |
1449 | (Ast0.Assignment | |
1450 | ($1,P.clt2mcode Ast.SimpleAssign $2,Ast0.set_arg_exp $3,false)) } | |
1451 | ||
1452 | assign_expr_bis: | |
1453 | cond_expr(eexpr,dot_expressions) { $1 } | |
1454 | | unary_expr(eexpr,dot_expressions) TAssign assign_expr_bis | |
1455 | { let (op,clt) = $2 in | |
1456 | Ast0.wrap(Ast0.Assignment($1,P.clt2mcode op clt, | |
1457 | Ast0.set_arg_exp $3,false)) } | |
1458 | | unary_expr(eexpr,dot_expressions) TEq assign_expr_bis | |
1459 | { Ast0.wrap | |
1460 | (Ast0.Assignment | |
1461 | ($1,P.clt2mcode Ast.SimpleAssign $2,Ast0.set_arg_exp $3,false)) } | |
1462 | ||
1463 | cond_expr(r,pe): | |
1464 | arith_expr(r,pe) { $1 } | |
3a314143 | 1465 | | l=arith_expr(r,pe) w=TWhy t=option(eexpr) dd=TDotDot r=eexpr/*see parser_c*/ |
34e49164 C |
1466 | { Ast0.wrap(Ast0.CondExpr (l, P.clt2mcode "?" w, t, |
1467 | P.clt2mcode ":" dd, r)) } | |
1468 | ||
1469 | arith_expr(r,pe): | |
1470 | cast_expr(r,pe) { $1 } | |
3a314143 | 1471 | | arith_expr(r,pe) TMul arith_expr_bis |
34e49164 | 1472 | { P.arith_op Ast.Mul $1 $2 $3 } |
3a314143 | 1473 | | arith_expr(r,pe) TDmOp arith_expr_bis |
34e49164 | 1474 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } |
3a314143 | 1475 | | arith_expr(r,pe) TPlus arith_expr_bis |
34e49164 | 1476 | { P.arith_op Ast.Plus $1 $2 $3 } |
3a314143 | 1477 | | arith_expr(r,pe) TMinus arith_expr_bis |
34e49164 | 1478 | { P.arith_op Ast.Minus $1 $2 $3 } |
3a314143 | 1479 | | arith_expr(r,pe) TShLOp arith_expr_bis |
413ffc02 | 1480 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } |
3a314143 | 1481 | | arith_expr(r,pe) TShROp arith_expr_bis |
34e49164 | 1482 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } |
3a314143 | 1483 | | arith_expr(r,pe) TLogOp arith_expr_bis |
34e49164 | 1484 | { let (op,clt) = $2 in P.logic_op op $1 clt $3 } |
3a314143 | 1485 | | arith_expr(r,pe) TEqEq arith_expr_bis |
34e49164 | 1486 | { P.logic_op Ast.Eq $1 $2 $3 } |
3a314143 | 1487 | | arith_expr(r,pe) TNotEq arith_expr_bis |
34e49164 | 1488 | { P.logic_op Ast.NotEq $1 $2 $3 } |
3a314143 | 1489 | | arith_expr(r,pe) TAnd arith_expr_bis |
34e49164 | 1490 | { P.arith_op Ast.And $1 $2 $3 } |
3a314143 | 1491 | | arith_expr(r,pe) TOr arith_expr_bis |
34e49164 | 1492 | { P.arith_op Ast.Or $1 $2 $3 } |
3a314143 | 1493 | | arith_expr(r,pe) TXor arith_expr_bis |
34e49164 | 1494 | { P.arith_op Ast.Xor $1 $2 $3 } |
3a314143 | 1495 | | arith_expr(r,pe) TAndLog arith_expr_bis |
34e49164 | 1496 | { P.logic_op Ast.AndLog $1 $2 $3 } |
3a314143 | 1497 | | arith_expr(r,pe) TOrLog arith_expr_bis |
34e49164 C |
1498 | { P.logic_op Ast.OrLog $1 $2 $3 } |
1499 | ||
3a314143 C |
1500 | // allows dots now that an expression-specific token has been seen |
1501 | // need an extra rule because of recursion restrictions | |
1502 | arith_expr_bis: | |
1503 | cast_expr(eexpr,dot_expressions) { $1 } | |
1504 | | arith_expr_bis TMul arith_expr_bis | |
1505 | { P.arith_op Ast.Mul $1 $2 $3 } | |
1506 | | arith_expr_bis TDmOp arith_expr_bis | |
1507 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } | |
1508 | | arith_expr_bis TPlus arith_expr_bis | |
1509 | { P.arith_op Ast.Plus $1 $2 $3 } | |
1510 | | arith_expr_bis TMinus arith_expr_bis | |
1511 | { P.arith_op Ast.Minus $1 $2 $3 } | |
1512 | | arith_expr_bis TShLOp arith_expr_bis | |
1513 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } | |
1514 | | arith_expr_bis TShROp arith_expr_bis | |
1515 | { let (op,clt) = $2 in P.arith_op op $1 clt $3 } | |
1516 | | arith_expr_bis TLogOp arith_expr_bis | |
1517 | { let (op,clt) = $2 in P.logic_op op $1 clt $3 } | |
1518 | | arith_expr_bis TEqEq arith_expr_bis | |
1519 | { P.logic_op Ast.Eq $1 $2 $3 } | |
1520 | | arith_expr_bis TNotEq arith_expr_bis | |
1521 | { P.logic_op Ast.NotEq $1 $2 $3 } | |
1522 | | arith_expr_bis TAnd arith_expr_bis | |
1523 | { P.arith_op Ast.And $1 $2 $3 } | |
1524 | | arith_expr_bis TOr arith_expr_bis | |
1525 | { P.arith_op Ast.Or $1 $2 $3 } | |
1526 | | arith_expr_bis TXor arith_expr_bis | |
1527 | { P.arith_op Ast.Xor $1 $2 $3 } | |
1528 | | arith_expr_bis TAndLog arith_expr_bis | |
1529 | { P.logic_op Ast.AndLog $1 $2 $3 } | |
1530 | // no OrLog because it is left associative and this is for | |
1531 | // a right argument, not sure why not the same problem for AndLog | |
1532 | ||
34e49164 C |
1533 | cast_expr(r,pe): |
1534 | unary_expr(r,pe) { $1 } | |
1535 | | lp=TOPar t=ctype rp=TCPar e=cast_expr(r,pe) | |
1536 | { Ast0.wrap(Ast0.Cast (P.clt2mcode "(" lp, t, | |
1537 | P.clt2mcode ")" rp, e)) } | |
1538 | ||
1539 | unary_expr(r,pe): | |
1540 | postfix_expr(r,pe) { $1 } | |
3a314143 | 1541 | | TInc unary_expr_bis |
34e49164 | 1542 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Inc $1)) } |
3a314143 | 1543 | | TDec unary_expr_bis |
34e49164 | 1544 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Dec $1)) } |
0708f913 | 1545 | | unary_op cast_expr(r,pe) |
34e49164 | 1546 | { let mcode = $1 in Ast0.wrap(Ast0.Unary($2, mcode)) } |
3a314143 C |
1547 | | TBang unary_expr_bis |
1548 | { let mcode = P.clt2mcode Ast.Not $1 in | |
1549 | Ast0.wrap(Ast0.Unary($2, mcode)) } | |
1550 | | TSizeof unary_expr_bis | |
1551 | { Ast0.wrap(Ast0.SizeOfExpr (P.clt2mcode "sizeof" $1, $2)) } | |
1552 | | s=TSizeof lp=TOPar t=ctype rp=TCPar | |
1553 | { Ast0.wrap(Ast0.SizeOfType (P.clt2mcode "sizeof" s, | |
1554 | P.clt2mcode "(" lp,t, | |
1555 | P.clt2mcode ")" rp)) } | |
1556 | ||
1557 | // version that allows dots | |
1558 | unary_expr_bis: | |
1559 | postfix_expr(eexpr,dot_expressions) { $1 } | |
1560 | | TInc unary_expr_bis | |
1561 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Inc $1)) } | |
1562 | | TDec unary_expr_bis | |
1563 | { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Dec $1)) } | |
1564 | | unary_op cast_expr(eexpr,dot_expressions) | |
1565 | { let mcode = $1 in Ast0.wrap(Ast0.Unary($2, mcode)) } | |
1566 | | TBang unary_expr_bis | |
34e49164 C |
1567 | { let mcode = P.clt2mcode Ast.Not $1 in |
1568 | Ast0.wrap(Ast0.Unary($2, mcode)) } | |
3a314143 | 1569 | | TSizeof unary_expr_bis |
34e49164 C |
1570 | { Ast0.wrap(Ast0.SizeOfExpr (P.clt2mcode "sizeof" $1, $2)) } |
1571 | | s=TSizeof lp=TOPar t=ctype rp=TCPar | |
1572 | { Ast0.wrap(Ast0.SizeOfType (P.clt2mcode "sizeof" s, | |
1573 | P.clt2mcode "(" lp,t, | |
1574 | P.clt2mcode ")" rp)) } | |
1575 | ||
1576 | unary_op: TAnd { P.clt2mcode Ast.GetRef $1 } | |
1577 | | TMul { P.clt2mcode Ast.DeRef $1 } | |
1578 | | TPlus { P.clt2mcode Ast.UnPlus $1 } | |
1579 | | TMinus { P.clt2mcode Ast.UnMinus $1 } | |
1580 | | TTilde { P.clt2mcode Ast.Tilde $1 } | |
1581 | ||
1582 | postfix_expr(r,pe): | |
1583 | primary_expr(r,pe) { $1 } | |
1584 | | postfix_expr(r,pe) TOCro eexpr TCCro | |
1585 | { Ast0.wrap(Ast0.ArrayAccess ($1,P.clt2mcode "[" $2,$3, | |
1586 | P.clt2mcode "]" $4)) } | |
d3f655c6 | 1587 | | postfix_expr(r,pe) TDot disj_ident |
34e49164 | 1588 | { Ast0.wrap(Ast0.RecordAccess($1, P.clt2mcode "." $2, $3)) } |
d3f655c6 | 1589 | | postfix_expr(r,pe) TPtrOp disj_ident |
34e49164 C |
1590 | { Ast0.wrap(Ast0.RecordPtAccess($1, P.clt2mcode "->" $2, |
1591 | $3)) } | |
1592 | | postfix_expr(r,pe) TInc | |
1593 | { Ast0.wrap(Ast0.Postfix ($1, P.clt2mcode Ast.Inc $2)) } | |
1594 | | postfix_expr(r,pe) TDec | |
1595 | { Ast0.wrap(Ast0.Postfix ($1, P.clt2mcode Ast.Dec $2)) } | |
1596 | | postfix_expr(r,pe) TOPar eexpr_list_option TCPar | |
1597 | { Ast0.wrap(Ast0.FunCall($1,P.clt2mcode "(" $2, | |
1598 | $3, | |
1599 | P.clt2mcode ")" $4)) } | |
1600 | ||
1601 | primary_expr(recurser,primary_extra): | |
1602 | func_ident { Ast0.wrap(Ast0.Ident($1)) } | |
8babbc8f C |
1603 | | TAndLog ident |
1604 | { let op = P.clt2mcode Ast.GetRefLabel $1 in | |
1605 | Ast0.wrap(Ast0.Unary(Ast0.wrap(Ast0.Ident($2)), op)) } | |
34e49164 C |
1606 | | TInt |
1607 | { let (x,clt) = $1 in | |
1608 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Int x) clt)) } | |
1609 | | TFloat | |
1610 | { let (x,clt) = $1 in | |
1611 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Float x) clt)) } | |
1612 | | TString | |
1613 | { let (x,clt) = $1 in | |
1614 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.String x) clt)) } | |
1615 | | TChar | |
1616 | { let (x,clt) = $1 in | |
1617 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Char x) clt)) } | |
1618 | | TMetaConst | |
1619 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1620 | Ast0.wrap | |
1621 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.CONST,pure)) } | |
1622 | | TMetaErr | |
1623 | { let (nm,constraints,pure,clt) = $1 in | |
1624 | Ast0.wrap(Ast0.MetaErr(P.clt2mcode nm clt,constraints,pure)) } | |
1625 | | TMetaExp | |
1626 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1627 | Ast0.wrap | |
1628 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ANY,pure)) } | |
1629 | | TMetaIdExp | |
1630 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1631 | Ast0.wrap | |
1632 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.ID,pure)) } | |
1633 | | TMetaLocalIdExp | |
1634 | { let (nm,constraints,pure,ty,clt) = $1 in | |
1635 | Ast0.wrap | |
1636 | (Ast0.MetaExpr(P.clt2mcode nm clt,constraints,ty,Ast.LocalID,pure)) } | |
1637 | | TOPar eexpr TCPar | |
1638 | { Ast0.wrap(Ast0.Paren(P.clt2mcode "(" $1,$2, | |
1639 | P.clt2mcode ")" $3)) } | |
1640 | | TOPar0 midzero_list(recurser,eexpr) TCPar0 | |
1641 | { let (mids,code) = $2 in | |
1642 | Ast0.wrap(Ast0.DisjExpr(P.clt2mcode "(" $1, | |
1643 | code, mids, | |
1644 | P.clt2mcode ")" $3)) } | |
1645 | | primary_extra { $1 } | |
1646 | ||
1647 | expr_dots(dotter): | |
1648 | r=no_dot_start_end(dexpr,edots_when(dotter,eexpr)) { r } | |
1649 | ||
1650 | // used in NEST | |
1651 | no_dot_start_end(grammar,dotter): | |
1652 | g=grammar dg=list(pair(dotter,grammar)) | |
1653 | { function dot_builder -> | |
1654 | g :: (List.concat(List.map (function (d,g) -> [dot_builder d;g]) dg)) } | |
1655 | ||
1656 | /*****************************************************************************/ | |
1657 | ||
1658 | pure_ident: | |
1659 | TIdent { $1 } | |
1660 | ||
ae4735db C |
1661 | pure_ident_kwd: |
1662 | | TIdentifier { "identifier" } | |
1663 | | TExpression { "expression" } | |
1664 | | TStatement { "statement" } | |
1665 | | TFunction { "function" } | |
1666 | | TLocal { "local" } | |
1667 | | TType { "type" } | |
1668 | | TParameter { "parameter" } | |
1669 | | TIdExpression { "idexpression" } | |
1670 | | TInitialiser { "initialiser" } | |
1671 | | Tlist { "list" } | |
1672 | | TFresh { "fresh" } | |
1673 | | TConstant { "constant" } | |
1674 | | TError { "error" } | |
1675 | | TWords { "words" } | |
1676 | | TPure { "pure" } | |
1677 | | TContext { "context" } | |
1678 | | TGenerated { "generated" } | |
1679 | | TTypedef { "typedef" } | |
1680 | | TDeclarer { "declarer" } | |
1681 | | TIterator { "iterator" } | |
1682 | | TName { "name" } | |
1683 | | TPosition { "position" } | |
1684 | ||
34e49164 | 1685 | meta_ident: |
ae4735db C |
1686 | TRuleName TDot pure_ident { (Some $1,P.id2name $3) } |
1687 | | TRuleName TDot pure_ident_kwd { (Some $1,$3) } | |
34e49164 C |
1688 | |
1689 | pure_ident_or_meta_ident: | |
1690 | pure_ident { (None,P.id2name $1) } | |
ae4735db | 1691 | | pure_ident_kwd { (None,$1) } |
34e49164 | 1692 | | meta_ident { $1 } |
34e49164 | 1693 | |
b1b2de81 | 1694 | pure_ident_or_meta_ident_with_seed: |
978fd7e5 C |
1695 | pure_ident_or_meta_ident { ($1,Ast.NoVal) } |
1696 | | pure_ident_or_meta_ident TEq | |
1697 | separated_nonempty_list(TCppConcatOp,seed_elem) | |
1698 | { match $3 with | |
1699 | [Ast.SeedString s] -> ($1,Ast.StringSeed s) | |
1700 | | _ -> ($1,Ast.ListSeed $3) } | |
1701 | ||
1702 | seed_elem: | |
1703 | TString { let (x,_) = $1 in Ast.SeedString x } | |
8babbc8f | 1704 | | TMetaId { let (x,_,_,_,_) = $1 in Ast.SeedId x } |
b23ff9c7 | 1705 | | TMeta {failwith "tmeta"} |
8babbc8f C |
1706 | | TVirtual TDot pure_ident |
1707 | { let nm = ("virtual",P.id2name $3) in | |
1708 | Iteration.parsed_virtual_identifiers := | |
1709 | Common.union_set [snd nm] | |
1710 | !Iteration.parsed_virtual_identifiers; | |
1711 | try Ast.SeedString (List.assoc (snd nm) !Flag.defined_virtual_env) | |
1712 | with Not_found -> Ast.SeedId nm } | |
978fd7e5 C |
1713 | | TRuleName TDot pure_ident |
1714 | { let nm = ($1,P.id2name $3) in | |
1715 | P.check_meta(Ast.MetaIdDecl(Ast.NONE,nm)); | |
1716 | Ast.SeedId nm } | |
b1b2de81 | 1717 | |
951c7801 C |
1718 | pure_ident_or_meta_ident_with_x_eq(x_eq): |
1719 | i=pure_ident_or_meta_ident l=loption(x_eq) | |
1720 | { | |
1721 | (i, l) | |
1722 | } | |
1723 | ||
1724 | pure_ident_or_meta_ident_with_econstraint(x_eq): | |
1725 | i=pure_ident_or_meta_ident optc=option(x_eq) | |
1726 | { | |
1727 | match optc with | |
1728 | None -> (i, Ast0.NoConstraint) | |
1729 | | Some c -> (i, c) | |
1730 | } | |
1731 | ||
ae4735db C |
1732 | pure_ident_or_meta_ident_with_idconstraint_virt(constraint_type): |
1733 | i=pure_ident_or_meta_ident c=option(constraint_type) | |
1734 | { | |
1735 | Common.Left | |
1736 | (match c with | |
1737 | None -> (i, Ast.IdNoConstraint) | |
1738 | | Some constraint_ -> (i,constraint_)) | |
1739 | } | |
3a314143 C |
1740 | | TVirtual TDot pure_ident |
1741 | { | |
1742 | let nm = P.id2name $3 in | |
1743 | Iteration.parsed_virtual_identifiers := | |
1744 | Common.union_set [nm] | |
1745 | !Iteration.parsed_virtual_identifiers; | |
1746 | Common.Right nm | |
1747 | } | |
ae4735db | 1748 | |
951c7801 C |
1749 | pure_ident_or_meta_ident_with_idconstraint(constraint_type): |
1750 | i=pure_ident_or_meta_ident c=option(constraint_type) | |
1751 | { | |
1752 | match c with | |
1753 | None -> (i, Ast.IdNoConstraint) | |
1754 | | Some constraint_ -> (i,constraint_) | |
1755 | } | |
1756 | ||
1757 | re_or_not_eqid: | |
5636bb2c | 1758 | re=regexp_eqid {Ast.IdRegExpConstraint re} |
951c7801 C |
1759 | | ne=not_eqid {ne} |
1760 | ||
1761 | regexp_eqid: | |
5636bb2c | 1762 | TTildeEq re=TString |
951c7801 C |
1763 | { (if !Data.in_iso |
1764 | then failwith "constraints not allowed in iso file"); | |
1765 | (if !Data.in_generating | |
1766 | then failwith "constraints not allowed in a generated rule file"); | |
1767 | let (s,_) = re in Ast.IdRegExp (s,Str.regexp s) | |
1768 | } | |
1769 | | TTildeExclEq re=TString | |
1770 | { (if !Data.in_iso | |
1771 | then failwith "constraints not allowed in iso file"); | |
1772 | (if !Data.in_generating | |
1773 | then failwith "constraints not allowed in a generated rule file"); | |
1774 | let (s,_) = re in Ast.IdNotRegExp (s,Str.regexp s) | |
1775 | } | |
34e49164 | 1776 | |
951c7801 | 1777 | not_eqid: |
c3e37e97 | 1778 | TNotEq i=pure_ident_or_meta_ident |
34e49164 C |
1779 | { (if !Data.in_iso |
1780 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1781 | (if !Data.in_generating |
1782 | (* pb: constraints not stored with metavars; too lazy to search for | |
1783 | them in the pattern *) | |
1784 | then failwith "constraints not allowed in a generated rule file"); | |
5636bb2c C |
1785 | (match i with |
1786 | (Some rn,id) -> | |
1787 | let i = | |
1788 | P.check_inherited_constraint i | |
1789 | (function mv -> Ast.MetaIdDecl(Ast.NONE,mv)) in | |
1790 | Ast.IdNegIdSet([],[i]) | |
1791 | | (None,i) -> Ast.IdNegIdSet([i],[])) } | |
c3e37e97 | 1792 | | TNotEq TOBrace l=comma_list(pure_ident_or_meta_ident) TCBrace |
34e49164 C |
1793 | { (if !Data.in_iso |
1794 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1795 | (if !Data.in_generating |
1796 | then failwith "constraints not allowed in a generated rule file"); | |
5636bb2c C |
1797 | let (str,meta) = |
1798 | List.fold_left | |
1799 | (function (str,meta) -> | |
1800 | function | |
1801 | (Some rn,id) as i -> | |
1802 | let i = | |
1803 | P.check_inherited_constraint i | |
1804 | (function mv -> Ast.MetaIdDecl(Ast.NONE,mv)) in | |
1805 | (str,i::meta) | |
1806 | | (None,i) -> (i::str,meta)) | |
1807 | ([],[]) l in | |
1808 | Ast.IdNegIdSet(str,meta) | |
951c7801 C |
1809 | } |
1810 | ||
5636bb2c C |
1811 | re_or_not_eqe_or_sub: |
1812 | re=regexp_eqid {Ast0.NotIdCstrt re} | |
1813 | | ne=not_eqe {Ast0.NotExpCstrt ne} | |
1814 | | s=sub {Ast0.SubExpCstrt s} | |
1815 | ||
1816 | not_ceq_or_sub: | |
1817 | ceq=not_ceq {Ast0.NotExpCstrt ceq} | |
1818 | | s=sub {Ast0.SubExpCstrt s} | |
34e49164 C |
1819 | |
1820 | not_eqe: | |
1821 | TNotEq i=pure_ident | |
1822 | { (if !Data.in_iso | |
1823 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1824 | (if !Data.in_generating |
1825 | then failwith "constraints not allowed in a generated rule file"); | |
951c7801 C |
1826 | [Ast0.wrap(Ast0.Ident(Ast0.wrap(Ast0.Id(P.id2mcode i))))] |
1827 | } | |
34e49164 C |
1828 | | TNotEq TOBrace l=comma_list(pure_ident) TCBrace |
1829 | { (if !Data.in_iso | |
1830 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1831 | (if !Data.in_generating |
1832 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 C |
1833 | List.map |
1834 | (function i -> | |
951c7801 C |
1835 | Ast0.wrap(Ast0.Ident(Ast0.wrap(Ast0.Id(P.id2mcode i))))) |
1836 | l | |
1837 | } | |
34e49164 C |
1838 | |
1839 | not_ceq: | |
1840 | TNotEq i=ident_or_const | |
1841 | { (if !Data.in_iso | |
1842 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1843 | (if !Data.in_generating |
1844 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 C |
1845 | [i] } |
1846 | | TNotEq TOBrace l=comma_list(ident_or_const) TCBrace | |
1847 | { (if !Data.in_iso | |
1848 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1849 | (if !Data.in_generating |
1850 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 C |
1851 | l } |
1852 | ||
5636bb2c C |
1853 | sub: |
1854 | (* has to be inherited because not clear how to check subterm constraints | |
1855 | in the functorized CTL engine, so need the variable to be bound | |
1856 | already when bind the subterm constrained metavariable *) | |
1857 | TSub i=meta_ident | |
1858 | { (if !Data.in_iso | |
1859 | then failwith "constraints not allowed in iso file"); | |
1860 | (if !Data.in_generating | |
1861 | then failwith "constraints not allowed in a generated rule file"); | |
1862 | let i = | |
1863 | P.check_inherited_constraint i | |
1864 | (function mv -> Ast.MetaExpDecl(Ast.NONE,mv,None)) in | |
1865 | [i] } | |
1866 | | TSub TOBrace l=comma_list(meta_ident) TCBrace | |
1867 | { (if !Data.in_iso | |
1868 | then failwith "constraints not allowed in iso file"); | |
1869 | (if !Data.in_generating | |
1870 | then failwith "constraints not allowed in a generated rule file"); | |
1871 | List.map | |
1872 | (function i -> | |
1873 | P.check_inherited_constraint i | |
1874 | (function mv -> Ast.MetaExpDecl(Ast.NONE,mv,None))) | |
1875 | l} | |
1876 | ||
34e49164 C |
1877 | ident_or_const: |
1878 | i=pure_ident { Ast0.wrap(Ast0.Ident(Ast0.wrap(Ast0.Id(P.id2mcode i)))) } | |
1879 | | TInt | |
1880 | { let (x,clt) = $1 in | |
1881 | Ast0.wrap(Ast0.Constant (P.clt2mcode (Ast.Int x) clt)) } | |
1882 | ||
1883 | not_pos: | |
1884 | TNotEq i=meta_ident | |
1885 | { (if !Data.in_iso | |
1886 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1887 | (if !Data.in_generating |
1888 | then failwith "constraints not allowed in a generated rule file"); | |
5636bb2c C |
1889 | let i = |
1890 | P.check_inherited_constraint i | |
1891 | (function mv -> Ast.MetaPosDecl(Ast.NONE,mv)) in | |
1892 | [i] } | |
34e49164 C |
1893 | | TNotEq TOBrace l=comma_list(meta_ident) TCBrace |
1894 | { (if !Data.in_iso | |
1895 | then failwith "constraints not allowed in iso file"); | |
faf9a90c C |
1896 | (if !Data.in_generating |
1897 | then failwith "constraints not allowed in a generated rule file"); | |
34e49164 | 1898 | List.map |
5636bb2c C |
1899 | (function i -> |
1900 | P.check_inherited_constraint i | |
1901 | (function mv -> Ast.MetaPosDecl(Ast.NONE,mv))) | |
34e49164 C |
1902 | l } |
1903 | ||
8babbc8f C |
1904 | func_ident: |
1905 | ident { $1 } | |
b23ff9c7 | 1906 | | TMetaFunc |
34e49164 | 1907 | { let (nm,constraints,pure,clt) = $1 in |
b23ff9c7 C |
1908 | Ast0.wrap(Ast0.MetaFunc(P.clt2mcode nm clt,constraints,pure)) } |
1909 | | TMetaLocalFunc | |
1910 | { let (nm,constraints,pure,clt) = $1 in | |
1911 | Ast0.wrap | |
1912 | (Ast0.MetaLocalFunc(P.clt2mcode nm clt,constraints,pure)) } | |
1913 | ||
d3f655c6 | 1914 | fn_ident: disj_ident { $1 } |
34e49164 C |
1915 | | TMetaFunc |
1916 | { let (nm,constraints,pure,clt) = $1 in | |
1917 | Ast0.wrap(Ast0.MetaFunc(P.clt2mcode nm clt,constraints,pure)) } | |
1918 | | TMetaLocalFunc | |
1919 | { let (nm,constraints,pure,clt) = $1 in | |
1920 | Ast0.wrap | |
1921 | (Ast0.MetaLocalFunc(P.clt2mcode nm clt,constraints,pure)) } | |
1922 | ||
1923 | ident: pure_ident | |
1924 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1925 | | TMetaId | |
8babbc8f C |
1926 | { let (nm,constraints,seed,pure,clt) = $1 in |
1927 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,seed,pure)) } | |
34e49164 | 1928 | |
b23ff9c7 | 1929 | mident: pure_ident |
ca417fcf | 1930 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } |
b23ff9c7 | 1931 | | TMeta { tmeta_to_ident $1 } |
ca417fcf | 1932 | | TMetaId |
8babbc8f C |
1933 | { let (nm,constraints,seed,pure,clt) = $1 in |
1934 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,seed,pure)) } | |
ca417fcf | 1935 | |
d3f655c6 C |
1936 | disj_ident: |
1937 | mident { $1 } | |
1938 | | lp=TOPar0 t=midzero_list(disj_ident,disj_ident) rp=TCPar0 | |
1939 | { let (mids,code) = t in | |
1940 | Ast0.wrap | |
1941 | (Ast0.DisjId(P.clt2mcode "(" lp,code,mids, P.clt2mcode ")" rp)) } | |
1942 | ||
1943 | type_ident: disj_ident { $1 } | |
b23ff9c7 C |
1944 | | TTypeId |
1945 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1946 | ||
34e49164 C |
1947 | decl_ident: |
1948 | TDeclarerId | |
1949 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1950 | | TMetaDeclarer | |
1951 | { let (nm,constraints,pure,clt) = $1 in | |
8babbc8f | 1952 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,Ast.NoVal,pure)) } |
34e49164 C |
1953 | |
1954 | iter_ident: | |
1955 | TIteratorId | |
1956 | { Ast0.wrap(Ast0.Id(P.id2mcode $1)) } | |
1957 | | TMetaIterator | |
1958 | { let (nm,constraints,pure,clt) = $1 in | |
8babbc8f | 1959 | Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,Ast.NoVal,pure)) } |
34e49164 C |
1960 | |
1961 | typedef_ident: | |
1962 | pure_ident | |
1963 | { Ast0.wrap(Ast0.TypeName(P.id2mcode $1)) } | |
b23ff9c7 | 1964 | | TMeta { tmeta_to_type $1 } |
34e49164 C |
1965 | | TMetaType |
1966 | { let (nm,pure,clt) = $1 in | |
1967 | Ast0.wrap(Ast0.MetaType(P.clt2mcode nm clt,pure)) } | |
1968 | ||
1969 | /*****************************************************************************/ | |
1970 | ||
1971 | decl_list(decl): | |
c491d8ee C |
1972 | empty_list_start(one_dec(decl),TEllipsis) |
1973 | { Ast0.wrap | |
1974 | (Ast0.DOTS | |
1975 | ($1 | |
1976 | (fun _ d -> Ast0.wrap(Ast0.Pdots(P.clt2mcode "..." d))) | |
1977 | (fun c -> Ast0.PComma c))) } | |
34e49164 C |
1978 | |
1979 | one_dec(decl): | |
1980 | decl { $1 } | |
1981 | | TMetaParamList | |
1982 | { let (nm,lenname,pure,clt) = $1 in | |
1983 | let nm = P.clt2mcode nm clt in | |
88e71198 C |
1984 | let lenname = |
1985 | match lenname with | |
1986 | Ast.AnyLen -> Ast0.AnyListLen | |
1987 | | Ast.MetaLen nm -> Ast0.MetaListLen(P.clt2mcode nm clt) | |
1988 | | Ast.CstLen n -> Ast0.CstListLen n in | |
34e49164 | 1989 | Ast0.wrap(Ast0.MetaParamList(nm,lenname,pure)) } |
faf9a90c | 1990 | |
c491d8ee C |
1991 | /* ---------------------------------------------------------------------- */ |
1992 | /* comma list parser, used for fn params, fn args, enums, initlists, | |
1993 | #define params */ | |
1994 | ||
1995 | /* enums: enum_decl, edots_when(TEllipsis,enum_decl_one) | |
1996 | fun s d -> P.mkedots "..." d | |
1997 | fun c -> Ast0.EComma c | |
1998 | */ | |
1999 | ||
2000 | empty_list_start(elem,dotter): | |
2001 | /* empty */ { fun build_dots build_comma -> [] } | |
2002 | | nonempty_list_start(elem,dotter) { $1 } | |
2003 | ||
2004 | nonempty_list_start(elem,dotter): /* dots allowed */ | |
2005 | elem { fun build_dots build_comma -> [$1] } | |
2006 | | elem TComma | |
2007 | { fun build_dots build_comma -> | |
2008 | $1::[Ast0.wrap(build_comma(P.clt2mcode "," $2))] } | |
2009 | | elem TComma nonempty_list_start(elem,dotter) | |
2010 | { fun build_dots build_comma -> | |
2011 | $1::(Ast0.wrap(build_comma(P.clt2mcode "," $2))):: | |
2012 | ($3 build_dots build_comma) } | |
2013 | | TNothing nonempty_list_start(elem,dotter) { $2 } | |
2014 | | d=dotter { fun build_dots build_comma -> [(build_dots "..." d)] } | |
2015 | | d=dotter TComma | |
2016 | { fun build_dots build_comma -> | |
2017 | [(build_dots "..." d);Ast0.wrap(build_comma(P.clt2mcode "," $2))] } | |
2018 | | d=dotter TComma r=continue_list(elem,dotter) | |
2019 | { fun build_dots build_comma -> | |
2020 | (build_dots "..." d):: | |
2021 | (Ast0.wrap(build_comma(P.clt2mcode "," $2))):: | |
2022 | (r build_dots build_comma) } | |
2023 | ||
2024 | continue_list(elem,dotter): /* dots not allowed */ | |
2025 | elem { fun build_dots build_comma -> [$1] } | |
2026 | | elem TComma | |
2027 | { fun build_dots build_comma -> | |
2028 | $1::[Ast0.wrap(build_comma(P.clt2mcode "," $2))] } | |
2029 | | elem TComma nonempty_list_start(elem,dotter) | |
2030 | { fun build_dots build_comma -> | |
2031 | $1::(Ast0.wrap(build_comma(P.clt2mcode "," $2))):: | |
2032 | ($3 build_dots build_comma) } | |
2033 | | TNothing nonempty_list_start(elem,dotter) { $2 } | |
34e49164 C |
2034 | |
2035 | /* ---------------------------------------------------------------------- */ | |
2036 | ||
978fd7e5 C |
2037 | /* error words make it complicated to be able to use error as a metavariable |
2038 | name or a type in a metavariable list; for that we would like to allow TError | |
2039 | as an ident, but that makes conflicts with this rule. To add back error words, | |
2040 | need to find some appropriate delimiter for it, but it has not been used much | |
2041 | so just drop it */ | |
2042 | /*error_words: | |
34e49164 C |
2043 | TError TWords TEq TOCro cl=comma_list(dexpr) TCCro |
2044 | { [Ast0.wrap(Ast0.ERRORWORDS(cl))] } | |
978fd7e5 | 2045 | */ |
34e49164 C |
2046 | |
2047 | /* ---------------------------------------------------------------------- */ | |
2048 | /* sequences of statements and expressions */ | |
2049 | ||
2050 | /* There are number of cases that must be considered: | |
2051 | ||
2052 | 1. Top level: | |
2053 | Dots and nests allowed at the beginning or end | |
2054 | Expressions allowed at the beginning or end | |
2055 | One function allowed, by itself | |
2056 | 2. A function body: | |
2057 | Dots and nests allowed at the beginning or end | |
2058 | Expressions not allowed at the beginning or end | |
2059 | Functions not allowed | |
2060 | 3. The body of a nest: | |
2061 | Dots and nests not allowed at the beginning or end | |
2062 | Expressions allowed at the beginning or end | |
2063 | Functions not allowed | |
2064 | 4. Whencode: | |
2065 | Dots and nests not allowed at the beginning but allowed at the end | |
2066 | Expressions allowed at the beginning or end | |
2067 | Functions not allowed | |
2068 | ||
2069 | These are implemented by the rules minus_toplevel_sequence, | |
2070 | plus_toplevel_sequence, function_body_sequence, nest_body_sequence, and | |
2071 | when_body_sequence. | |
2072 | */ | |
2073 | /* ------------------------------------------------------------------------ */ | |
2074 | /* Minus top level */ | |
2075 | ||
2076 | /* doesn't allow only ... */ | |
2077 | minus_start: | |
65038c61 | 2078 | fundecl { [Ast0.wrap(Ast0.OTHER($1))] } |
34e49164 | 2079 | | ctype { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Ty($1))))] } |
1be43e12 | 2080 | | top_init { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.TopInit($1))))] } |
faf9a90c | 2081 | | toplevel_seq_startne(toplevel_after_dots_init) |
34e49164 C |
2082 | { List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1 } |
2083 | ||
faf9a90c C |
2084 | toplevel_seq_startne(after_dots_init): |
2085 | a=stm_dots_ell b=after_dots_init { a::b } | |
2086 | | a=stm_dots_nest b=after_dots_init { a::b } | |
2087 | | a=stm_dots_nest { [a] } | |
2088 | | expr toplevel_after_exp { (Ast0.wrap(Ast0.Exp($1)))::$2 } | |
2089 | | decl_statement_expr toplevel_after_stm { $1@$2 } | |
2090 | ||
34e49164 C |
2091 | toplevel_seq_start(after_dots_init): |
2092 | stm_dots after_dots_init { $1::$2 } | |
2093 | | expr toplevel_after_exp { (Ast0.wrap(Ast0.Exp($1)))::$2 } | |
2094 | | decl_statement_expr toplevel_after_stm { $1@$2 } | |
2095 | ||
2096 | toplevel_after_dots_init: | |
2097 | TNothing toplevel_after_exp {$2} | |
2098 | | expr toplevel_after_exp {(Ast0.wrap(Ast0.Exp($1)))::$2} | |
2099 | | decl_statement_expr toplevel_after_stm {$1@$2} | |
2100 | ||
2101 | toplevel_after_exp: | |
2102 | /* empty */ {[]} | |
2103 | | stm_dots toplevel_after_dots {$1::$2} | |
2104 | ||
2105 | toplevel_after_dots: | |
2106 | /* empty */ {[]} | |
2107 | | TNothing toplevel_after_exp {$2} | |
2108 | | expr toplevel_after_exp {(Ast0.wrap(Ast0.Exp($1)))::$2} | |
2109 | | decl_statement_expr toplevel_after_stm {$1@$2} | |
2110 | ||
2111 | toplevel_after_stm: | |
2112 | /* empty */ {[]} | |
2113 | | stm_dots toplevel_after_dots {$1::$2} | |
2114 | | decl_statement toplevel_after_stm {$1@$2} | |
2115 | ||
1be43e12 C |
2116 | top_init: |
2117 | TOInit initialize_list TCBrace | |
c491d8ee C |
2118 | { if P.struct_initializer $2 |
2119 | then | |
2120 | let il = P.drop_dot_commas $2 in | |
2121 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,il,P.clt2mcode "}" $3,false)) | |
2122 | else | |
2123 | Ast0.wrap(Ast0.InitList(P.clt2mcode "{" $1,$2,P.clt2mcode "}" $3,true)) } | |
1be43e12 | 2124 | |
34e49164 C |
2125 | /* ------------------------------------------------------------------------ */ |
2126 | /* Plus top level */ | |
2127 | ||
2128 | /* does allow only ... also allows multiple top-level functions */ | |
2129 | plus_start: | |
2130 | ctype { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Ty($1))))] } | |
1be43e12 | 2131 | | top_init { [Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.TopInit($1))))] } |
34e49164 C |
2132 | | stm_dots plus_after_dots |
2133 | { (Ast0.wrap(Ast0.OTHER($1)))::$2 } | |
2134 | | expr plus_after_exp | |
2135 | { (Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Exp($1)))))::$2 } | |
65038c61 | 2136 | | fundecl plus_after_stm { Ast0.wrap(Ast0.OTHER($1))::$2 } |
34e49164 C |
2137 | | decl_statement_expr plus_after_stm |
2138 | { (List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1)@$2 } | |
2139 | ||
2140 | plus_after_exp: | |
2141 | /* empty */ {[]} | |
2142 | | stm_dots plus_after_dots { (Ast0.wrap(Ast0.OTHER($1)))::$2 } | |
2143 | ||
2144 | plus_after_dots: | |
2145 | /* empty */ {[]} | |
2146 | | TNothing plus_after_exp {$2} | |
2147 | | expr plus_after_exp | |
2148 | { (Ast0.wrap(Ast0.OTHER(Ast0.wrap(Ast0.Exp($1)))))::$2 } | |
65038c61 | 2149 | | fundecl plus_after_stm { Ast0.wrap(Ast0.OTHER($1))::$2 } |
34e49164 C |
2150 | | decl_statement_expr plus_after_stm |
2151 | { (List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1)@$2 } | |
2152 | ||
2153 | plus_after_stm: | |
2154 | /* empty */ {[]} | |
2155 | | stm_dots plus_after_dots { (Ast0.wrap(Ast0.OTHER($1)))::$2 } | |
65038c61 | 2156 | | fundecl plus_after_stm { Ast0.wrap(Ast0.OTHER($1))::$2 } |
34e49164 C |
2157 | | decl_statement plus_after_stm |
2158 | { (List.map (function x -> Ast0.wrap(Ast0.OTHER(x))) $1)@$2 } | |
2159 | ||
2160 | /* ------------------------------------------------------------------------ */ | |
2161 | /* Function body */ | |
2162 | ||
2163 | fun_start: | |
2164 | fun_after_stm { Ast0.wrap(Ast0.DOTS($1)) } | |
2165 | ||
2166 | fun_after_stm: | |
2167 | /* empty */ {[]} | |
2168 | | stm_dots fun_after_dots {$1::$2} | |
2169 | | decl_statement fun_after_stm {$1@$2} | |
2170 | ||
2171 | fun_after_dots: | |
2172 | /* empty */ {[]} | |
2173 | | TNothing fun_after_exp {$2} | |
2174 | | expr fun_after_exp {Ast0.wrap(Ast0.Exp($1))::$2} | |
2175 | | decl_statement_expr fun_after_stm {$1@$2} | |
2176 | ||
2177 | fun_after_exp: | |
2178 | stm_dots fun_after_dots {$1::$2} | |
2179 | ||
2180 | /* hack to allow mixing statements and expressions in an or */ | |
2181 | fun_after_dots_or: | |
2182 | /* empty */ {[]} | |
2183 | | TNothing fun_after_exp_or {$2} | |
2184 | | expr fun_after_exp_or {Ast0.wrap(Ast0.Exp($1))::$2} | |
2185 | | decl_statement_expr fun_after_stm {$1@$2} | |
2186 | ||
2187 | fun_after_exp_or: | |
2188 | /* empty */ {[]} | |
2189 | | stm_dots fun_after_dots {$1::$2} | |
2190 | ||
2191 | /* ------------------------------------------------------------------------ */ | |
2192 | /* Nest body */ | |
2193 | ||
2194 | nest_start: | |
2195 | nest_after_dots { Ast0.wrap(Ast0.DOTS($1)) } | |
2196 | ||
2197 | nest_after_dots: | |
2198 | decl_statement_expr nest_after_stm {$1@$2} | |
2199 | | TNothing nest_after_exp {$2} | |
2200 | | expr nest_after_exp {(Ast0.wrap(Ast0.Exp($1)))::$2} | |
2201 | ||
2202 | nest_after_stm: | |
2203 | /* empty */ {[]} | |
2204 | | stm_dots nest_after_dots {$1::$2} | |
2205 | | decl_statement nest_after_stm {$1@$2} | |
2206 | ||
2207 | nest_after_exp: | |
2208 | /* empty */ {[]} | |
2209 | | stm_dots nest_after_dots {$1::$2} | |
2210 | ||
2211 | /* ------------------------------------------------------------------------ */ | |
2212 | /*Whencode*/ | |
2213 | ||
2214 | when_start: | |
2215 | expr toplevel_after_exp | |
2216 | { Ast0.wrap(Ast0.DOTS((Ast0.wrap(Ast0.Exp($1)))::$2)) } | |
2217 | | decl_statement toplevel_after_stm | |
2218 | { Ast0.wrap(Ast0.DOTS($1@$2)) } | |
2219 | ||
2220 | /* ---------------------------------------------------------------------- */ | |
2221 | ||
34e49164 C |
2222 | /* arg expr. may contain a type or a explist metavariable */ |
2223 | aexpr: | |
c491d8ee | 2224 | dexpr { Ast0.set_arg_exp $1 } |
34e49164 C |
2225 | | TMetaExpList |
2226 | { let (nm,lenname,pure,clt) = $1 in | |
2227 | let nm = P.clt2mcode nm clt in | |
2228 | let lenname = | |
2229 | match lenname with | |
88e71198 C |
2230 | Ast.AnyLen -> Ast0.AnyListLen |
2231 | | Ast.MetaLen nm -> Ast0.MetaListLen(P.clt2mcode nm clt) | |
2232 | | Ast.CstLen n -> Ast0.CstListLen n in | |
34e49164 C |
2233 | Ast0.wrap(Ast0.MetaExprList(nm,lenname,pure)) } |
2234 | | ctype | |
2235 | { Ast0.set_arg_exp(Ast0.wrap(Ast0.TypeExp($1))) } | |
2236 | ||
c491d8ee C |
2237 | eexpr_list_option: |
2238 | empty_list_start(aexpr,TEllipsis) | |
2239 | { Ast0.wrap | |
2240 | (Ast0.DOTS | |
2241 | ($1 | |
2242 | (fun _ d -> Ast0.wrap(Ast0.Edots(P.clt2mcode "..." d,None))) | |
2243 | (fun c -> Ast0.EComma c))) } | |
34e49164 C |
2244 | |
2245 | /****************************************************************************/ | |
2246 | ||
2247 | // non-empty lists - drop separator | |
2248 | comma_list(elem): | |
2249 | separated_nonempty_list(TComma,elem) { $1 } | |
2250 | ||
2251 | midzero_list(elem,aft): | |
2252 | a=elem b=list(mzl(aft)) | |
2253 | { let (mids,code) = List.split b in (mids,(a::code)) } | |
2254 | ||
2255 | mzl(elem): | |
2256 | a=TMid0 b=elem { (P.clt2mcode "|" a, b) } | |
2257 | ||
2258 | edots_when(dotter,when_grammar): | |
2259 | d=dotter { (d,None) } | |
2260 | | d=dotter TWhen TNotEq w=when_grammar TLineEnd { (d,Some w) } | |
2261 | ||
708f4980 | 2262 | whens(when_grammar,simple_when_grammar,any_strict): |
34e49164 C |
2263 | TWhen TNotEq w=when_grammar TLineEnd { [Ast0.WhenNot w] } |
2264 | | TWhen TEq w=simple_when_grammar TLineEnd { [Ast0.WhenAlways w] } | |
2265 | | TWhen comma_list(any_strict) TLineEnd | |
2266 | { List.map (function x -> Ast0.WhenModifier(x)) $2 } | |
1be43e12 C |
2267 | | TWhenTrue TNotEq e = eexpr TLineEnd { [Ast0.WhenNotTrue e] } |
2268 | | TWhenFalse TNotEq e = eexpr TLineEnd { [Ast0.WhenNotFalse e] } | |
34e49164 C |
2269 | |
2270 | any_strict: | |
2271 | TAny { Ast.WhenAny } | |
2272 | | TStrict { Ast.WhenStrict } | |
2273 | | TForall { Ast.WhenForall } | |
2274 | | TExists { Ast.WhenExists } | |
2275 | ||
2276 | /***************************************************************************** | |
2277 | * | |
2278 | * | |
2279 | *****************************************************************************/ | |
2280 | ||
2281 | iso_main: | |
c3e37e97 C |
2282 | TIsoExpression e1=eexpr el=list(iso(eexpr)) EOF |
2283 | { let fn x = Ast0.ExprTag x in P.iso_adjust fn fn e1 el } | |
2284 | | TIsoArgExpression e1=eexpr el=list(iso(eexpr)) EOF | |
2285 | { let fn x = Ast0.ArgExprTag x in P.iso_adjust fn fn e1 el } | |
2286 | | TIsoTestExpression e1=eexpr el=list(iso(eexpr)) EOF | |
2287 | { let fn x = Ast0.TestExprTag x in P.iso_adjust fn fn e1 el } | |
2288 | | TIsoToTestExpression e1=eexpr el=list(iso(eexpr)) EOF | |
2289 | { let ffn x = Ast0.ExprTag x in | |
2290 | let fn x = Ast0.TestExprTag x in | |
2291 | P.iso_adjust ffn fn e1 el } | |
34e49164 | 2292 | | TIsoStatement s1=single_statement sl=list(iso(single_statement)) EOF |
c3e37e97 | 2293 | { let fn x = Ast0.StmtTag x in P.iso_adjust fn fn s1 sl } |
34e49164 | 2294 | | TIsoType t1=ctype tl=list(iso(ctype)) EOF |
c3e37e97 | 2295 | { let fn x = Ast0.TypeCTag x in P.iso_adjust fn fn t1 tl } |
34e49164 | 2296 | | TIsoTopLevel e1=nest_start el=list(iso(nest_start)) EOF |
c3e37e97 | 2297 | { let fn x = Ast0.DotsStmtTag x in P.iso_adjust fn fn e1 el } |
34e49164 C |
2298 | | TIsoDeclaration d1=decl_var dl=list(iso(decl_var)) EOF |
2299 | { let check_one = function | |
2300 | [x] -> x | |
2301 | | _ -> | |
2302 | raise | |
2303 | (Semantic_cocci.Semantic | |
2304 | "only one variable per declaration in an isomorphism rule") in | |
2305 | let d1 = check_one d1 in | |
2306 | let dl = | |
2307 | List.map | |
2308 | (function | |
2309 | Common.Left x -> Common.Left(check_one x) | |
2310 | | Common.Right x -> Common.Right(check_one x)) | |
2311 | dl in | |
c3e37e97 | 2312 | let fn x = Ast0.DeclTag x in P.iso_adjust fn fn d1 dl } |
34e49164 C |
2313 | |
2314 | iso(term): | |
2315 | TIso t=term { Common.Left t } | |
2316 | | TRightIso t=term { Common.Right t } | |
2317 | ||
2318 | /***************************************************************************** | |
2319 | * | |
2320 | * | |
2321 | *****************************************************************************/ | |
2322 | ||
2323 | never_used: TPragma { () } | |
2324 | | TPArob TMetaPos { () } | |
2325 | | TScriptData { () } | |
2326 | ||
ae4735db | 2327 | script_meta_main: |
413ffc02 C |
2328 | py=pure_ident TMPtVirg |
2329 | { ((Some (P.id2name py), None), None) } | |
2330 | | py=pure_ident script_name_decl TMPtVirg | |
2331 | { ((Some (P.id2name py), None), Some $2) } | |
2332 | | TOPar TUnderscore TComma ast=pure_ident TCPar script_name_decl TMPtVirg | |
2333 | { ((None, Some (P.id2name ast)), Some $6) } | |
2334 | | TOPar str=pure_ident TComma TUnderscore TCPar script_name_decl TMPtVirg | |
2335 | { ((Some (P.id2name str), None), Some $6) } | |
2336 | | TOPar str=pure_ident TComma ast=pure_ident TCPar script_name_decl TMPtVirg | |
2337 | { ((Some (P.id2name str), Some (P.id2name ast)), Some $6) } | |
aba5c457 C |
2338 | |
2339 | script_name_decl: | |
413ffc02 | 2340 | TShLOp TRuleName TDot cocci=pure_ident |
aba5c457 C |
2341 | { let nm = P.id2name cocci in |
2342 | let mv = Parse_aux.lookup $2 nm in | |
2343 | (($2, nm), mv) } | |
413ffc02 | 2344 | | TShLOp TVirtual TDot cocci=pure_ident |
aba5c457 | 2345 | { let nm = P.id2name cocci in |
3a314143 C |
2346 | Iteration.parsed_virtual_identifiers := |
2347 | Common.union_set [nm] | |
2348 | !Iteration.parsed_virtual_identifiers; | |
aba5c457 C |
2349 | let name = ("virtual", nm) in |
2350 | let mv = Ast.MetaIdDecl(Ast.NONE,name) in | |
413ffc02 | 2351 | (name,mv) } |