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9f8e26f4 | 1 | (* |
ae4735db | 2 | * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen |
9f8e26f4 C |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix |
4 | * This file is part of Coccinelle. | |
5 | * | |
6 | * Coccinelle is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, according to version 2 of the License. | |
9 | * | |
10 | * Coccinelle is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The authors reserve the right to distribute this or future versions of | |
19 | * Coccinelle under other licenses. | |
20 | *) | |
21 | ||
22 | ||
5636bb2c C |
23 | (* |
24 | * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen | |
25 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix | |
26 | * This file is part of Coccinelle. | |
27 | * | |
28 | * Coccinelle is free software: you can redistribute it and/or modify | |
29 | * it under the terms of the GNU General Public License as published by | |
30 | * the Free Software Foundation, according to version 2 of the License. | |
31 | * | |
32 | * Coccinelle is distributed in the hope that it will be useful, | |
33 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
34 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
35 | * GNU General Public License for more details. | |
36 | * | |
37 | * You should have received a copy of the GNU General Public License | |
38 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
39 | * | |
40 | * The authors reserve the right to distribute this or future versions of | |
41 | * Coccinelle under other licenses. | |
42 | *) | |
43 | ||
44 | ||
34e49164 C |
45 | (* exports everything, used only by parser_cocci_menhir.mly *) |
46 | module Ast0 = Ast0_cocci | |
47 | module Ast = Ast_cocci | |
48 | ||
49 | (* types for metavariable tokens *) | |
50 | type info = Ast.meta_name * Ast0.pure * Data.clt | |
51 | type idinfo = Ast.meta_name * Data.iconstraints * Ast0.pure * Data.clt | |
52 | type expinfo = Ast.meta_name * Data.econstraints * Ast0.pure * Data.clt | |
53 | type tyinfo = Ast.meta_name * Ast0.typeC list * Ast0.pure * Data.clt | |
54 | type list_info = Ast.meta_name * Ast.meta_name option * Ast0.pure * Data.clt | |
951c7801 | 55 | type typed_expinfo = |
34e49164 C |
56 | Ast.meta_name * Data.econstraints * Ast0.pure * |
57 | Type_cocci.typeC list option * Data.clt | |
58 | type pos_info = Ast.meta_name * Data.pconstraints * Ast.meta_collect * Data.clt | |
59 | ||
34e49164 C |
60 | let get_option fn = function |
61 | None -> None | |
62 | | Some x -> Some (fn x) | |
63 | ||
64 | let make_info line logical_line offset col strbef straft = | |
0708f913 C |
65 | let new_pos_info = |
66 | {Ast0.line_start = line; Ast0.line_end = line; | |
67 | Ast0.logical_start = logical_line; Ast0.logical_end = logical_line; | |
708f4980 | 68 | Ast0.column = col; Ast0.offset = offset; } in |
0708f913 | 69 | { Ast0.pos_info = new_pos_info; |
34e49164 C |
70 | Ast0.attachable_start = true; Ast0.attachable_end = true; |
71 | Ast0.mcode_start = []; Ast0.mcode_end = []; | |
34e49164 C |
72 | Ast0.strings_before = strbef; Ast0.strings_after = straft; } |
73 | ||
74 | let clt2info (_,line,logical_line,offset,col,strbef,straft,pos) = | |
75 | make_info line logical_line offset col strbef straft | |
76 | ||
77 | let drop_bef (arity,line,lline,offset,col,strbef,straft,pos) = | |
78 | (arity,line,lline,offset,col,[],straft,pos) | |
79 | ||
80 | let drop_aft (arity,line,lline,offset,col,strbef,straft,pos) = | |
81 | (arity,line,lline,offset,col,strbef,[],pos) | |
82 | ||
7f004419 C |
83 | let drop_pos (arity,line,lline,offset,col,strbef,straft,pos) = |
84 | (arity,line,lline,offset,col,strbef,straft,Ast0.NoMetaPos) | |
85 | ||
34e49164 C |
86 | let clt2mcode str = function |
87 | (Data.MINUS,line,lline,offset,col,strbef,straft,pos) -> | |
88 | (str,Ast0.NONE,make_info line lline offset col strbef straft, | |
708f4980 | 89 | Ast0.MINUS(ref([],Ast0.default_token_info)),ref pos,-1) |
34e49164 C |
90 | | (Data.OPTMINUS,line,lline,offset,col,strbef,straft,pos) -> |
91 | (str,Ast0.OPT,make_info line lline offset col strbef straft, | |
708f4980 | 92 | Ast0.MINUS(ref([],Ast0.default_token_info)),ref pos,-1) |
34e49164 C |
93 | | (Data.UNIQUEMINUS,line,lline,offset,col,strbef,straft,pos) -> |
94 | (str,Ast0.UNIQUE,make_info line lline offset col strbef straft, | |
708f4980 | 95 | Ast0.MINUS(ref([],Ast0.default_token_info)),ref pos,-1) |
34e49164 | 96 | | (Data.PLUS,line,lline,offset,col,strbef,straft,pos) -> |
951c7801 C |
97 | (str,Ast0.NONE,make_info line lline offset col strbef straft, |
98 | Ast0.PLUS(Ast.ONE),ref pos,-1) | |
99 | | (Data.PLUSPLUS,line,lline,offset,col,strbef,straft,pos) -> | |
100 | (str,Ast0.NONE,make_info line lline offset col strbef straft, | |
101 | Ast0.PLUS(Ast.MANY),ref pos,-1) | |
34e49164 C |
102 | | (Data.CONTEXT,line,lline,offset,col,strbef,straft,pos) -> |
103 | (str,Ast0.NONE,make_info line lline offset col strbef straft, | |
104 | Ast0.CONTEXT(ref(Ast.NOTHING, | |
105 | Ast0.default_token_info,Ast0.default_token_info)), | |
708f4980 | 106 | ref pos,-1) |
34e49164 C |
107 | | (Data.OPT,line,lline,offset,col,strbef,straft,pos) -> |
108 | (str,Ast0.OPT,make_info line lline offset col strbef straft, | |
109 | Ast0.CONTEXT(ref(Ast.NOTHING, | |
110 | Ast0.default_token_info,Ast0.default_token_info)), | |
708f4980 | 111 | ref pos,-1) |
34e49164 C |
112 | | (Data.UNIQUE,line,lline,offset,col,strbef,straft,pos) -> |
113 | (str,Ast0.UNIQUE,make_info line lline offset col strbef straft, | |
114 | Ast0.CONTEXT(ref(Ast.NOTHING, | |
115 | Ast0.default_token_info,Ast0.default_token_info)), | |
708f4980 | 116 | ref pos,-1) |
34e49164 C |
117 | |
118 | let id2name (name, clt) = name | |
119 | let id2clt (name, clt) = clt | |
120 | let id2mcode (name, clt) = clt2mcode name clt | |
121 | ||
122 | let mkdots str (dot,whencode) = | |
123 | match str with | |
124 | "..." -> Ast0.wrap(Ast0.Dots(clt2mcode str dot, whencode)) | |
125 | | "ooo" -> Ast0.wrap(Ast0.Circles(clt2mcode str dot, whencode)) | |
126 | | "***" -> Ast0.wrap(Ast0.Stars(clt2mcode str dot, whencode)) | |
127 | | _ -> failwith "cannot happen" | |
128 | ||
129 | let mkedots str (dot,whencode) = | |
130 | match str with | |
131 | "..." -> Ast0.wrap(Ast0.Edots(clt2mcode str dot, whencode)) | |
132 | | "ooo" -> Ast0.wrap(Ast0.Ecircles(clt2mcode str dot, whencode)) | |
133 | | "***" -> Ast0.wrap(Ast0.Estars(clt2mcode str dot, whencode)) | |
134 | | _ -> failwith "cannot happen" | |
135 | ||
136 | let mkdpdots str dot = | |
137 | match str with | |
138 | "..." -> Ast0.wrap(Ast0.DPdots(clt2mcode str dot)) | |
139 | | "ooo" -> Ast0.wrap(Ast0.DPcircles(clt2mcode str dot)) | |
140 | | _ -> failwith "cannot happen" | |
141 | ||
142 | let mkidots str (dot,whencode) = | |
143 | match str with | |
144 | "..." -> Ast0.wrap(Ast0.Idots(clt2mcode str dot, whencode)) | |
145 | | _ -> failwith "cannot happen" | |
146 | ||
147 | let mkddots str (dot,whencode) = | |
148 | match (str,whencode) with | |
149 | ("...",None) -> Ast0.wrap(Ast0.Ddots(clt2mcode str dot, None)) | |
150 | | ("...",Some [w]) -> Ast0.wrap(Ast0.Ddots(clt2mcode str dot, Some w)) | |
151 | | _ -> failwith "cannot happen" | |
152 | ||
153 | let mkpdots str dot = | |
154 | match str with | |
155 | "..." -> Ast0.wrap(Ast0.Pdots(clt2mcode str dot)) | |
156 | | "ooo" -> Ast0.wrap(Ast0.Pcircles(clt2mcode str dot)) | |
157 | | _ -> failwith "cannot happen" | |
158 | ||
159 | let arith_op ast_op left op right = | |
160 | Ast0.wrap | |
161 | (Ast0.Binary(left, clt2mcode (Ast.Arith ast_op) op, right)) | |
162 | ||
163 | let logic_op ast_op left op right = | |
164 | Ast0.wrap | |
165 | (Ast0.Binary(left, clt2mcode (Ast.Logical ast_op) op, right)) | |
166 | ||
167 | let make_cv cv ty = | |
168 | match cv with None -> ty | Some x -> Ast0.wrap (Ast0.ConstVol(x,ty)) | |
169 | ||
170 | let top_dots l = | |
171 | let circle x = | |
172 | match Ast0.unwrap x with Ast0.Circles(_) -> true | _ -> false in | |
173 | let star x = | |
174 | match Ast0.unwrap x with Ast0.Stars(_) -> true | _ -> false in | |
175 | if List.exists circle l | |
176 | then Ast0.wrap(Ast0.CIRCLES(l)) | |
177 | else | |
178 | if List.exists star l | |
179 | then Ast0.wrap(Ast0.STARS(l)) | |
180 | else Ast0.wrap(Ast0.DOTS(l)) | |
181 | ||
182 | (* here the offset is that of the first in the sequence of *s, not that of | |
183 | each * individually *) | |
184 | let pointerify ty m = | |
185 | List.fold_left | |
186 | (function inner -> | |
187 | function cur -> | |
188 | Ast0.wrap(Ast0.Pointer(inner,clt2mcode "*" cur))) | |
189 | ty m | |
190 | ||
191 | let ty_pointerify ty m = | |
192 | List.fold_left | |
193 | (function inner -> function cur -> Type_cocci.Pointer(inner)) | |
194 | ty m | |
195 | ||
196 | (* Left is <=>, Right is =>. Collect <=>s. *) | |
197 | (* The parser should have done this, with precedences. But whatever... *) | |
c3e37e97 | 198 | let iso_adjust first_fn fn first rest = |
34e49164 C |
199 | let rec loop = function |
200 | [] -> [[]] | |
201 | | (Common.Left x)::rest -> | |
202 | (match loop rest with | |
203 | front::after -> (fn x::front)::after | |
204 | | _ -> failwith "not possible") | |
205 | | (Common.Right x)::rest -> | |
206 | (match loop rest with | |
207 | front::after -> []::(fn x::front)::after | |
208 | | _ -> failwith "not possible") in | |
209 | match loop rest with | |
c3e37e97 | 210 | front::after -> (first_fn first::front)::after |
34e49164 C |
211 | | _ -> failwith "not possible" |
212 | ||
5636bb2c | 213 | let check_meta_tyopt type_irrelevant tok = |
34e49164 C |
214 | let lookup rule name = |
215 | try | |
216 | let info = Hashtbl.find Data.all_metadecls rule in | |
217 | List.find (function mv -> Ast.get_meta_name mv = (rule,name)) info | |
218 | with | |
219 | Not_found -> | |
220 | raise | |
221 | (Semantic_cocci.Semantic | |
222 | ("bad rule "^rule^" or bad variable "^name)) in | |
223 | match tok with | |
224 | Ast.MetaIdDecl(Ast.NONE,(rule,name)) -> | |
225 | (match lookup rule name with | |
226 | Ast.MetaIdDecl(_,_) | Ast.MetaFreshIdDecl(_,_) -> () | |
227 | | _ -> | |
228 | raise | |
229 | (Semantic_cocci.Semantic | |
230 | ("incompatible inheritance declaration "^name))) | |
b1b2de81 | 231 | | Ast.MetaFreshIdDecl((rule,name),seed) -> |
34e49164 C |
232 | raise |
233 | (Semantic_cocci.Semantic | |
234 | "can't inherit the freshness of an identifier") | |
235 | | Ast.MetaListlenDecl((rule,name)) -> | |
236 | (match lookup rule name with | |
237 | Ast.MetaListlenDecl(_) -> () | |
238 | | _ -> | |
239 | raise | |
240 | (Semantic_cocci.Semantic | |
241 | ("incompatible inheritance declaration "^name))) | |
242 | | Ast.MetaTypeDecl(Ast.NONE,(rule,name)) -> | |
243 | (match lookup rule name with | |
244 | Ast.MetaTypeDecl(_,_) -> () | |
245 | | _ -> | |
246 | raise | |
247 | (Semantic_cocci.Semantic | |
248 | ("incompatible inheritance declaration "^name))) | |
113803cf C |
249 | | Ast.MetaInitDecl(Ast.NONE,(rule,name)) -> |
250 | (match lookup rule name with | |
251 | Ast.MetaInitDecl(_,_) -> () | |
252 | | _ -> | |
253 | raise | |
254 | (Semantic_cocci.Semantic | |
255 | ("incompatible inheritance declaration "^name))) | |
34e49164 C |
256 | | Ast.MetaParamDecl(Ast.NONE,(rule,name)) -> |
257 | (match lookup rule name with | |
258 | Ast.MetaParamDecl(_,_) -> () | |
259 | | _ -> | |
260 | raise | |
261 | (Semantic_cocci.Semantic | |
262 | ("incompatible inheritance declaration "^name))) | |
263 | | Ast.MetaParamListDecl(Ast.NONE,(rule,name),len_name) -> | |
264 | (match lookup rule name with | |
265 | Ast.MetaParamListDecl(_,_,_) -> () | |
266 | | _ -> | |
267 | raise | |
268 | (Semantic_cocci.Semantic | |
269 | ("incompatible inheritance declaration "^name))) | |
270 | | Ast.MetaErrDecl(Ast.NONE,(rule,name)) -> | |
271 | (match lookup rule name with | |
272 | Ast.MetaErrDecl(_,_) -> () | |
273 | | _ -> | |
274 | raise | |
275 | (Semantic_cocci.Semantic | |
276 | ("incompatible inheritance declaration "^name))) | |
277 | | Ast.MetaExpDecl(Ast.NONE,(rule,name),ty) -> | |
278 | (match lookup rule name with | |
5636bb2c | 279 | Ast.MetaExpDecl(_,_,ty1) when type_irrelevant or ty = ty1 -> () |
34e49164 C |
280 | | _ -> |
281 | raise | |
282 | (Semantic_cocci.Semantic | |
283 | ("incompatible inheritance declaration "^name))) | |
284 | | Ast.MetaIdExpDecl(Ast.NONE,(rule,name),ty) -> | |
285 | (match lookup rule name with | |
5636bb2c | 286 | Ast.MetaIdExpDecl(_,_,ty1) when type_irrelevant or ty = ty1 -> () |
34e49164 C |
287 | | _ -> |
288 | raise | |
289 | (Semantic_cocci.Semantic | |
290 | ("incompatible inheritance declaration "^name))) | |
291 | | Ast.MetaLocalIdExpDecl(Ast.NONE,(rule,name),ty) -> | |
292 | (match lookup rule name with | |
5636bb2c | 293 | Ast.MetaLocalIdExpDecl(_,_,ty1) when type_irrelevant or ty = ty1 -> () |
34e49164 C |
294 | | _ -> |
295 | raise | |
296 | (Semantic_cocci.Semantic | |
297 | ("incompatible inheritance declaration "^name))) | |
298 | | Ast.MetaExpListDecl(Ast.NONE,(rule,name),len_name) -> | |
299 | (match lookup rule name with | |
300 | Ast.MetaExpListDecl(_,_,_) -> () | |
faf9a90c | 301 | | Ast.MetaParamListDecl(_,_,_) when not (!Flag.make_hrule = None) -> () |
34e49164 C |
302 | | _ -> |
303 | raise | |
304 | (Semantic_cocci.Semantic | |
305 | ("incompatible inheritance declaration "^name))) | |
306 | | Ast.MetaStmDecl(Ast.NONE,(rule,name)) -> | |
307 | (match lookup rule name with | |
308 | Ast.MetaStmDecl(_,_) -> () | |
309 | | _ -> | |
310 | raise | |
311 | (Semantic_cocci.Semantic | |
312 | ("incompatible inheritance declaration "^name))) | |
313 | | Ast.MetaStmListDecl(Ast.NONE,(rule,name)) -> | |
314 | (match lookup rule name with | |
315 | Ast.MetaStmListDecl(_,_) -> () | |
316 | | _ -> | |
317 | raise | |
318 | (Semantic_cocci.Semantic | |
319 | ("incompatible inheritance declaration "^name))) | |
320 | | Ast.MetaFuncDecl(Ast.NONE,(rule,name)) -> | |
321 | (match lookup rule name with | |
322 | Ast.MetaFuncDecl(_,_) -> () | |
323 | | _ -> | |
324 | raise | |
325 | (Semantic_cocci.Semantic | |
326 | ("incompatible inheritance declaration "^name))) | |
327 | | Ast.MetaLocalFuncDecl(Ast.NONE,(rule,name)) -> | |
328 | (match lookup rule name with | |
329 | Ast.MetaLocalFuncDecl(_,_) -> () | |
330 | | _ -> | |
331 | raise | |
332 | (Semantic_cocci.Semantic | |
333 | ("incompatible inheritance declaration "^name))) | |
334 | | Ast.MetaConstDecl(Ast.NONE,(rule,name),ty) -> | |
335 | (match lookup rule name with | |
5636bb2c | 336 | Ast.MetaConstDecl(_,_,ty1) when type_irrelevant or ty = ty1 -> () |
34e49164 C |
337 | | _ -> |
338 | raise | |
339 | (Semantic_cocci.Semantic | |
340 | ("incompatible inheritance declaration "^name))) | |
341 | | Ast.MetaPosDecl(Ast.NONE,(rule,name)) -> | |
342 | (match lookup rule name with | |
343 | Ast.MetaPosDecl(_,_) -> | |
344 | if not (List.mem rule !Data.inheritable_positions) | |
345 | then | |
346 | raise | |
347 | (Semantic_cocci.Semantic | |
348 | ("position cannot be inherited over modifications: "^name)) | |
349 | | _ -> | |
350 | raise | |
351 | (Semantic_cocci.Semantic | |
352 | ("incompatible inheritance declaration "^name))) | |
353 | | _ -> | |
354 | raise | |
355 | (Semantic_cocci.Semantic ("arity not allowed on imported declaration")) | |
356 | ||
5636bb2c C |
357 | let check_meta m = check_meta_tyopt false m |
358 | ||
359 | let check_inherited_constraint meta_name fn = | |
360 | match meta_name with | |
361 | (None,_) -> failwith "constraint must be an inherited variable" | |
362 | | (Some rule,name) -> | |
363 | let i = (rule,name) in | |
364 | check_meta_tyopt true (fn i); | |
365 | i | |
366 | ||
34e49164 C |
367 | let create_metadec ar ispure kindfn ids current_rule = |
368 | List.concat | |
369 | (List.map | |
370 | (function (rule,nm) -> | |
371 | let (rule,checker) = | |
372 | match rule with | |
373 | None -> ((current_rule,nm),function x -> [Common.Left x]) | |
374 | | Some rule -> | |
375 | ((rule,nm), | |
376 | function x -> check_meta x; [Common.Right x]) in | |
377 | kindfn ar rule ispure checker) | |
378 | ids) | |
379 | ||
ae4735db C |
380 | |
381 | let create_metadec_virt ar ispure kindfn ids current_rule = | |
382 | List.concat | |
383 | (List.map | |
384 | (function nm -> | |
385 | let checker = function x -> [Common.Right x] in | |
386 | kindfn ar nm ispure checker !Flag.defined_virtual_env) | |
387 | ids) | |
388 | ||
b1b2de81 C |
389 | let create_fresh_metadec kindfn ids current_rule = |
390 | List.concat | |
391 | (List.map | |
392 | (function ((rule,nm),seed) -> | |
393 | let (rule,checker) = | |
394 | match rule with | |
395 | None -> ((current_rule,nm),function x -> [Common.Left x]) | |
396 | | Some rule -> | |
397 | ((rule,nm), | |
398 | function x -> check_meta x; [Common.Right x]) in | |
399 | kindfn rule checker seed) | |
400 | ids) | |
401 | ||
951c7801 | 402 | let create_metadec_with_constraints ar ispure kindfn ids current_rule = |
34e49164 C |
403 | List.concat |
404 | (List.map | |
405 | (function ((rule,nm),constraints) -> | |
406 | let (rule,checker) = | |
407 | match rule with | |
951c7801 C |
408 | None -> ((current_rule,nm),function x -> [Common.Left x]) |
409 | | Some rule -> | |
410 | ((rule,nm), | |
411 | function x -> check_meta x; [Common.Right x]) in | |
412 | kindfn ar rule ispure checker constraints) | |
34e49164 C |
413 | ids) |
414 | ||
415 | let create_metadec_ty ar ispure kindfn ids current_rule = | |
416 | List.concat | |
417 | (List.map | |
418 | (function ((rule,nm),constraints) -> | |
419 | let (rule,checker) = | |
420 | match rule with | |
421 | None -> ((current_rule,nm),function x -> [Common.Left x]) | |
422 | | Some rule -> | |
423 | ((rule,nm), | |
424 | function x -> check_meta x; [Common.Right x]) in | |
425 | kindfn ar rule ispure checker constraints) | |
426 | ids) | |
427 | ||
428 | let create_len_metadec ar ispure kindfn lenid ids current_rule = | |
429 | let lendec = | |
430 | create_metadec Ast.NONE Ast0.Impure | |
431 | (fun _ name _ check_meta -> check_meta(Ast.MetaListlenDecl(name))) | |
432 | [lenid] current_rule in | |
433 | let lenname = | |
434 | match lendec with | |
435 | [Common.Left (Ast.MetaListlenDecl(x))] -> x | |
436 | | [Common.Right (Ast.MetaListlenDecl(x))] -> x | |
437 | | _ -> failwith "unexpected length declaration" in | |
438 | lendec@(create_metadec ar ispure (kindfn lenname) ids current_rule) | |
439 | ||
440 | (* ---------------------------------------------------------------------- *) | |
441 | ||
442 | let str2inc s = | |
443 | let elements = Str.split (Str.regexp "/") s in | |
444 | List.map (function "..." -> Ast.IncDots | s -> Ast.IncPath s) elements | |
445 | ||
446 | (* ---------------------------------------------------------------------- *) | |
447 | (* statements *) | |
448 | ||
449 | let meta_stm name = | |
450 | let (nm,pure,clt) = name in | |
451 | Ast0.wrap(Ast0.MetaStmt(clt2mcode nm clt,pure)) | |
452 | ||
453 | let exp_stm exp pv = | |
454 | Ast0.wrap(Ast0.ExprStatement (exp, clt2mcode ";" pv)) | |
455 | ||
456 | let ifthen iff lp tst rp thn = | |
457 | Ast0.wrap(Ast0.IfThen(clt2mcode "if" iff, | |
458 | clt2mcode "(" lp,tst,clt2mcode ")" rp,thn, | |
459 | (Ast0.default_info(),Ast0.context_befaft()))) | |
460 | ||
461 | let ifthenelse iff lp tst rp thn e els = | |
462 | Ast0.wrap(Ast0.IfThenElse(clt2mcode "if" iff, | |
463 | clt2mcode "(" lp,tst,clt2mcode ")" rp,thn, | |
464 | clt2mcode "else" e,els, | |
465 | (Ast0.default_info(),Ast0.context_befaft()))) | |
466 | ||
467 | let forloop fr lp e1 sc1 e2 sc2 e3 rp s = | |
468 | Ast0.wrap(Ast0.For(clt2mcode "for" fr,clt2mcode "(" lp,e1, | |
469 | clt2mcode ";" sc1,e2, | |
470 | clt2mcode ";" sc2,e3,clt2mcode ")" rp,s, | |
471 | (Ast0.default_info(),Ast0.context_befaft()))) | |
472 | ||
473 | let whileloop w lp e rp s = | |
474 | Ast0.wrap(Ast0.While(clt2mcode "while" w,clt2mcode "(" lp, | |
475 | e,clt2mcode ")" rp,s, | |
476 | (Ast0.default_info(),Ast0.context_befaft()))) | |
477 | ||
478 | let doloop d s w lp e rp pv = | |
479 | Ast0.wrap(Ast0.Do(clt2mcode "do" d,s,clt2mcode "while" w, | |
480 | clt2mcode "(" lp,e,clt2mcode ")" rp, | |
481 | clt2mcode ";" pv)) | |
482 | ||
483 | let iterator i lp e rp s = | |
484 | Ast0.wrap(Ast0.Iterator(i,clt2mcode "(" lp,e,clt2mcode ")" rp,s, | |
485 | (Ast0.default_info(),Ast0.context_befaft()))) | |
486 | ||
fc1ad971 C |
487 | let switch s lp e rp lb d c rb = |
488 | let d = | |
489 | List.map | |
490 | (function d -> | |
491 | Ast0.wrap(Ast0.Decl((Ast0.default_info(),Ast0.context_befaft()),d))) | |
492 | d in | |
34e49164 C |
493 | Ast0.wrap(Ast0.Switch(clt2mcode "switch" s,clt2mcode "(" lp,e, |
494 | clt2mcode ")" rp,clt2mcode "{" lb, | |
fc1ad971 | 495 | Ast0.wrap(Ast0.DOTS(d)), |
34e49164 C |
496 | Ast0.wrap(Ast0.DOTS(c)),clt2mcode "}" rb)) |
497 | ||
498 | let ret_exp r e pv = | |
499 | Ast0.wrap(Ast0.ReturnExpr(clt2mcode "return" r,e,clt2mcode ";" pv)) | |
500 | ||
501 | let ret r pv = | |
502 | Ast0.wrap(Ast0.Return(clt2mcode "return" r,clt2mcode ";" pv)) | |
503 | ||
504 | let break b pv = | |
505 | Ast0.wrap(Ast0.Break(clt2mcode "break" b,clt2mcode ";" pv)) | |
506 | ||
507 | let cont c pv = | |
508 | Ast0.wrap(Ast0.Continue(clt2mcode "continue" c,clt2mcode ";" pv)) | |
509 | ||
510 | let label i dd = | |
511 | Ast0.wrap(Ast0.Label(i,clt2mcode ":" dd)) | |
512 | ||
513 | let goto g i pv = | |
514 | Ast0.wrap(Ast0.Goto(clt2mcode "goto" g,i,clt2mcode ";" pv)) | |
515 | ||
516 | let seq lb s rb = | |
517 | Ast0.wrap(Ast0.Seq(clt2mcode "{" lb,s,clt2mcode "}" rb)) | |
518 | ||
519 | (* ---------------------------------------------------------------------- *) | |
520 | ||
521 | let make_iso_rule_name_result n = | |
522 | (try let _ = Hashtbl.find Data.all_metadecls n in | |
523 | raise (Semantic_cocci.Semantic ("repeated rule name")) | |
524 | with Not_found -> ()); | |
525 | Ast.CocciRulename (Some n,Ast.NoDep,[],[],Ast.Undetermined,false (*discarded*)) | |
526 | ||
527 | let make_cocci_rule_name_result nm d i a e ee = | |
528 | match nm with | |
529 | Some nm -> | |
530 | let n = id2name nm in | |
531 | (try let _ = Hashtbl.find Data.all_metadecls n in | |
532 | raise (Semantic_cocci.Semantic ("repeated rule name")) | |
533 | with Not_found -> ()); | |
534 | Ast.CocciRulename (Some n,d,i,a,e,ee) | |
535 | | None -> Ast.CocciRulename (None,d,i,a,e,ee) | |
536 | ||
faf9a90c C |
537 | let make_generated_rule_name_result nm d i a e ee = |
538 | match nm with | |
539 | Some nm -> | |
540 | let n = id2name nm in | |
541 | (try let _ = Hashtbl.find Data.all_metadecls n in | |
542 | raise (Semantic_cocci.Semantic ("repeated rule name")) | |
543 | with Not_found -> ()); | |
544 | Ast.GeneratedRulename (Some n,d,i,a,e,ee) | |
545 | | None -> Ast.GeneratedRulename (None,d,i,a,e,ee) | |
546 | ||
1be43e12 | 547 | let make_script_rule_name_result lang deps = |
34e49164 | 548 | let l = id2name lang in |
708f4980 | 549 | Ast.ScriptRulename (l,deps) |
b1b2de81 | 550 | |
c3e37e97 | 551 | let make_initial_script_rule_name_result lang deps = |
b1b2de81 | 552 | let l = id2name lang in |
c3e37e97 | 553 | Ast.InitialScriptRulename(l,deps) |
b1b2de81 | 554 | |
c3e37e97 | 555 | let make_final_script_rule_name_result lang deps = |
b1b2de81 | 556 | let l = id2name lang in |
c3e37e97 | 557 | Ast.FinalScriptRulename(l,deps) |
978fd7e5 C |
558 | |
559 | (* Allows type alone only when it is void and only when there is only one | |
560 | parameter. This avoids ambiguity problems in the parser. *) | |
561 | let verify_parameter_declarations = function | |
562 | [] -> () | |
563 | | [x] -> | |
564 | (match Ast0.unwrap x with | |
565 | Ast0.Param(t, None) -> | |
566 | (match Ast0.unwrap t with | |
567 | Ast0.BaseType(Ast.VoidType,_) -> () | |
568 | | _ -> | |
569 | failwith | |
570 | (Printf.sprintf | |
571 | "%d: only void can be a parameter without an identifier" | |
572 | (Ast0.get_line t))) | |
573 | | _ -> ()) | |
574 | | l -> | |
575 | List.iter | |
576 | (function x -> | |
577 | match Ast0.unwrap x with | |
578 | Ast0.Param(t, None) -> | |
579 | failwith | |
580 | (Printf.sprintf | |
581 | "%d: only void alone can be a parameter without an identifier" | |
582 | (Ast0.get_line t)) | |
583 | | _ -> ()) | |
584 | l |