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0708f913 C |
1 | (* |
2 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen | |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller | |
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 | ||
23 | (* --------------------------------------------------------------------- *) | |
24 | (* Modified code *) | |
25 | ||
26 | type info = { line : int; column : int; | |
27 | strbef : string list; straft : string list } | |
28 | type line = int | |
29 | type meta_name = string * string | |
30 | (* need to be careful about rewrapping, to avoid duplicating pos info | |
31 | currently, the pos info is always None until asttoctl2. *) | |
32 | type 'a wrap = | |
33 | {node : 'a; | |
34 | node_line : line; | |
35 | free_vars : meta_name list; (*free vars*) | |
36 | minus_free_vars : meta_name list; (*minus free vars*) | |
37 | fresh_vars : meta_name list; (*fresh vars*) | |
38 | inherited : meta_name list; (*inherited vars*) | |
39 | saved_witness : meta_name list; (*witness vars*) | |
40 | bef_aft : dots_bef_aft; | |
41 | (* the following is for or expressions *) | |
42 | pos_info : meta_name mcode option; (* pos info, try not to duplicate *) | |
43 | true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *) | |
44 | (* isos relevant to the term; ultimately only used for rule_elems *) | |
45 | iso_info : (string*anything) list } | |
46 | ||
47 | and 'a befaft = | |
48 | BEFORE of 'a list list | |
49 | | AFTER of 'a list list | |
50 | | BEFOREAFTER of 'a list list * 'a list list | |
51 | | NOTHING | |
52 | ||
53 | and 'a mcode = 'a * info * mcodekind * meta_pos (* pos variable *) | |
54 | (* pos is an offset indicating where in the C code the mcodekind has an | |
55 | effect *) | |
56 | and mcodekind = | |
57 | MINUS of pos * anything list list | |
58 | | CONTEXT of pos * anything befaft | |
59 | | PLUS | |
60 | and fixpos = | |
61 | Real of int (* charpos *) | Virt of int * int (* charpos + offset *) | |
62 | and pos = NoPos | DontCarePos | FixPos of (fixpos * fixpos) | |
63 | ||
64 | and dots_bef_aft = | |
65 | NoDots | |
66 | | AddingBetweenDots of statement * int (*index of let var*) | |
67 | | DroppingBetweenDots of statement * int (*index of let var*) | |
68 | ||
69 | and inherited = Type_cocci.inherited | |
70 | and keep_binding = Type_cocci.keep_binding | |
71 | and multi = bool (*true if a nest is one or more, false if it is zero or more*) | |
72 | ||
73 | and end_info = | |
74 | meta_name list (*free vars*) * meta_name list (*inherited vars*) * | |
75 | meta_name list (*witness vars*) * mcodekind | |
76 | ||
77 | (* --------------------------------------------------------------------- *) | |
78 | (* Metavariables *) | |
79 | ||
80 | and arity = UNIQUE | OPT | MULTI | NONE | |
81 | ||
82 | and metavar = | |
83 | MetaIdDecl of arity * meta_name (* name *) | |
84 | | MetaFreshIdDecl of arity * meta_name (* name *) | |
85 | | MetaTypeDecl of arity * meta_name (* name *) | |
86 | | MetaInitDecl of arity * meta_name (* name *) | |
87 | | MetaListlenDecl of meta_name (* name *) | |
88 | | MetaParamDecl of arity * meta_name (* name *) | |
89 | | MetaParamListDecl of arity * meta_name (*name*) * meta_name option (*len*) | |
90 | | MetaConstDecl of | |
91 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
92 | | MetaErrDecl of arity * meta_name (* name *) | |
93 | | MetaExpDecl of | |
94 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
95 | | MetaIdExpDecl of | |
96 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
97 | | MetaLocalIdExpDecl of | |
98 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
99 | | MetaExpListDecl of arity * meta_name (*name*) * meta_name option (*len*) | |
100 | | MetaStmDecl of arity * meta_name (* name *) | |
101 | | MetaStmListDecl of arity * meta_name (* name *) | |
102 | | MetaFuncDecl of arity * meta_name (* name *) | |
103 | | MetaLocalFuncDecl of arity * meta_name (* name *) | |
104 | | MetaPosDecl of arity * meta_name (* name *) | |
105 | | MetaDeclarerDecl of arity * meta_name (* name *) | |
106 | | MetaIteratorDecl of arity * meta_name (* name *) | |
107 | ||
108 | (* --------------------------------------------------------------------- *) | |
109 | (* --------------------------------------------------------------------- *) | |
110 | (* Dots *) | |
111 | ||
112 | and 'a base_dots = | |
113 | DOTS of 'a list | |
114 | | CIRCLES of 'a list | |
115 | | STARS of 'a list | |
116 | ||
117 | and 'a dots = 'a base_dots wrap | |
118 | ||
119 | (* --------------------------------------------------------------------- *) | |
120 | (* Identifier *) | |
121 | ||
122 | and base_ident = | |
123 | Id of string mcode | |
124 | ||
125 | | MetaId of meta_name mcode * ident list * keep_binding * inherited | |
126 | | MetaFunc of meta_name mcode * ident list * keep_binding * inherited | |
127 | | MetaLocalFunc of meta_name mcode * ident list * keep_binding * inherited | |
128 | ||
129 | | OptIdent of ident | |
130 | | UniqueIdent of ident | |
131 | ||
132 | and ident = base_ident wrap | |
133 | ||
134 | (* --------------------------------------------------------------------- *) | |
135 | (* Expression *) | |
136 | ||
137 | and base_expression = | |
138 | Ident of ident | |
139 | | Constant of constant mcode | |
140 | | FunCall of expression * string mcode (* ( *) * | |
141 | expression dots * string mcode (* ) *) | |
142 | | Assignment of expression * assignOp mcode * expression * | |
143 | bool (* true if it can match an initialization *) | |
144 | | CondExpr of expression * string mcode (* ? *) * expression option * | |
145 | string mcode (* : *) * expression | |
146 | | Postfix of expression * fixOp mcode | |
147 | | Infix of expression * fixOp mcode | |
148 | | Unary of expression * unaryOp mcode | |
149 | | Binary of expression * binaryOp mcode * expression | |
150 | | Nested of expression * binaryOp mcode * expression | |
151 | | ArrayAccess of expression * string mcode (* [ *) * expression * | |
152 | string mcode (* ] *) | |
153 | | RecordAccess of expression * string mcode (* . *) * ident | |
154 | | RecordPtAccess of expression * string mcode (* -> *) * ident | |
155 | | Cast of string mcode (* ( *) * fullType * string mcode (* ) *) * | |
156 | expression | |
157 | | SizeOfExpr of string mcode (* sizeof *) * expression | |
158 | | SizeOfType of string mcode (* sizeof *) * string mcode (* ( *) * | |
159 | fullType * string mcode (* ) *) | |
160 | | TypeExp of fullType (*type name used as an expression, only in | |
161 | arg or #define*) | |
162 | ||
163 | | Paren of string mcode (* ( *) * expression * | |
164 | string mcode (* ) *) | |
165 | ||
166 | | MetaErr of meta_name mcode * expression list * keep_binding * | |
167 | inherited | |
168 | | MetaExpr of meta_name mcode * expression list * keep_binding * | |
169 | Type_cocci.typeC list option * form * inherited | |
170 | | MetaExprList of meta_name mcode * listlen option * keep_binding * | |
171 | inherited (* only in arg lists *) | |
172 | ||
173 | | EComma of string mcode (* only in arg lists *) | |
174 | ||
175 | | DisjExpr of expression list | |
176 | | NestExpr of expression dots * expression option * multi | |
177 | ||
178 | (* can appear in arg lists, and also inside Nest, as in: | |
179 | if(< ... X ... Y ...>) | |
180 | In the following, the expression option is the WHEN *) | |
181 | | Edots of string mcode (* ... *) * expression option | |
182 | | Ecircles of string mcode (* ooo *) * expression option | |
183 | | Estars of string mcode (* *** *) * expression option | |
184 | ||
185 | | OptExp of expression | |
186 | | UniqueExp of expression | |
187 | ||
188 | (* ANY = int E; ID = idexpression int X; CONST = constant int X; *) | |
189 | and form = ANY | ID | LocalID | CONST (* form for MetaExp *) | |
190 | ||
191 | and expression = base_expression wrap | |
192 | ||
193 | and listlen = meta_name mcode * keep_binding * inherited | |
194 | ||
195 | and unaryOp = GetRef | DeRef | UnPlus | UnMinus | Tilde | Not | |
196 | and assignOp = SimpleAssign | OpAssign of arithOp | |
197 | and fixOp = Dec | Inc | |
198 | ||
199 | and binaryOp = Arith of arithOp | Logical of logicalOp | |
200 | and arithOp = | |
201 | Plus | Minus | Mul | Div | Mod | DecLeft | DecRight | And | Or | Xor | |
202 | and logicalOp = Inf | Sup | InfEq | SupEq | Eq | NotEq | AndLog | OrLog | |
203 | ||
204 | and constant = | |
205 | String of string | |
206 | | Char of string | |
207 | | Int of string | |
208 | | Float of string | |
209 | ||
210 | (* --------------------------------------------------------------------- *) | |
211 | (* Types *) | |
212 | ||
213 | and base_fullType = | |
214 | Type of const_vol mcode option * typeC | |
215 | | DisjType of fullType list (* only after iso *) | |
216 | | OptType of fullType | |
217 | | UniqueType of fullType | |
218 | ||
219 | and base_typeC = | |
220 | BaseType of baseType * string mcode list (* Yoann style *) | |
221 | | SignedT of sign mcode * typeC option | |
222 | | Pointer of fullType * string mcode (* * *) | |
223 | | FunctionPointer of fullType * | |
224 | string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)* | |
225 | string mcode (* ( *)*parameter_list*string mcode(* ) *) | |
226 | ||
227 | (* used for the automatic managment of prototypes *) | |
228 | | FunctionType of bool (* true if all minus for dropping return type *) * | |
229 | fullType option * | |
230 | string mcode (* ( *) * parameter_list * | |
231 | string mcode (* ) *) | |
232 | ||
233 | | Array of fullType * string mcode (* [ *) * | |
234 | expression option * string mcode (* ] *) | |
235 | | EnumName of string mcode (*enum*) * ident (* name *) | |
236 | | StructUnionName of structUnion mcode * ident option (* name *) | |
237 | | StructUnionDef of fullType (* either StructUnionName or metavar *) * | |
238 | string mcode (* { *) * declaration dots * string mcode (* } *) | |
239 | | TypeName of string mcode | |
240 | ||
241 | | MetaType of meta_name mcode * keep_binding * inherited | |
242 | ||
243 | and fullType = base_fullType wrap | |
244 | and typeC = base_typeC wrap | |
245 | ||
246 | and baseType = VoidType | CharType | ShortType | IntType | DoubleType | |
247 | | FloatType | LongType | LongLongType | |
248 | ||
249 | and structUnion = Struct | Union | |
250 | ||
251 | and sign = Signed | Unsigned | |
252 | ||
253 | and const_vol = Const | Volatile | |
254 | ||
255 | (* --------------------------------------------------------------------- *) | |
256 | (* Variable declaration *) | |
257 | (* Even if the Cocci program specifies a list of declarations, they are | |
258 | split out into multiple declarations of a single variable each. *) | |
259 | ||
260 | and base_declaration = | |
261 | Init of storage mcode option * fullType * ident * string mcode (*=*) * | |
262 | initialiser * string mcode (*;*) | |
263 | | UnInit of storage mcode option * fullType * ident * string mcode (* ; *) | |
264 | | TyDecl of fullType * string mcode (* ; *) | |
265 | | MacroDecl of ident (* name *) * string mcode (* ( *) * | |
266 | expression dots * string mcode (* ) *) * string mcode (* ; *) | |
267 | | Typedef of string mcode (*typedef*) * fullType * | |
268 | typeC (* either TypeName or metavar *) * string mcode (*;*) | |
269 | | DisjDecl of declaration list | |
270 | (* Ddots is for a structure declaration *) | |
271 | | Ddots of string mcode (* ... *) * declaration option (* whencode *) | |
272 | ||
273 | | MetaDecl of meta_name mcode * keep_binding * inherited | |
274 | ||
275 | | OptDecl of declaration | |
276 | | UniqueDecl of declaration | |
277 | ||
278 | and declaration = base_declaration wrap | |
279 | ||
280 | (* --------------------------------------------------------------------- *) | |
281 | (* Initializers *) | |
282 | ||
283 | and base_initialiser = | |
284 | MetaInit of meta_name mcode * keep_binding * inherited | |
285 | | InitExpr of expression | |
286 | | InitList of string mcode (*{*) * initialiser list * string mcode (*}*) * | |
287 | initialiser list (* whencode: elements that shouldn't appear in init *) | |
288 | | InitGccExt of | |
289 | designator list (* name *) * string mcode (*=*) * | |
290 | initialiser (* gccext: *) | |
291 | | InitGccName of ident (* name *) * string mcode (*:*) * | |
292 | initialiser | |
293 | | IComma of string mcode (* , *) | |
294 | ||
295 | | OptIni of initialiser | |
296 | | UniqueIni of initialiser | |
297 | ||
298 | and designator = | |
299 | DesignatorField of string mcode (* . *) * ident | |
300 | | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *) | |
301 | | DesignatorRange of | |
302 | string mcode (* [ *) * expression * string mcode (* ... *) * | |
303 | expression * string mcode (* ] *) | |
304 | ||
305 | and initialiser = base_initialiser wrap | |
306 | ||
307 | (* --------------------------------------------------------------------- *) | |
308 | (* Parameter *) | |
309 | ||
310 | and base_parameterTypeDef = | |
311 | VoidParam of fullType | |
312 | | Param of fullType * ident option | |
313 | ||
314 | | MetaParam of meta_name mcode * keep_binding * inherited | |
315 | | MetaParamList of meta_name mcode * listlen option * keep_binding * | |
316 | inherited | |
317 | ||
318 | | PComma of string mcode | |
319 | ||
320 | | Pdots of string mcode (* ... *) | |
321 | | Pcircles of string mcode (* ooo *) | |
322 | ||
323 | | OptParam of parameterTypeDef | |
324 | | UniqueParam of parameterTypeDef | |
325 | ||
326 | and parameterTypeDef = base_parameterTypeDef wrap | |
327 | ||
328 | and parameter_list = parameterTypeDef dots | |
329 | ||
330 | (* --------------------------------------------------------------------- *) | |
331 | (* #define Parameters *) | |
332 | ||
333 | and base_define_param = | |
334 | DParam of ident | |
335 | | DPComma of string mcode | |
336 | | DPdots of string mcode (* ... *) | |
337 | | DPcircles of string mcode (* ooo *) | |
338 | | OptDParam of define_param | |
339 | | UniqueDParam of define_param | |
340 | ||
341 | and define_param = base_define_param wrap | |
342 | ||
343 | and base_define_parameters = | |
344 | NoParams (* not parameter list, not an empty one *) | |
345 | | DParams of string mcode(*( *) * define_param dots * string mcode(* )*) | |
346 | ||
347 | and define_parameters = base_define_parameters wrap | |
348 | ||
349 | (* --------------------------------------------------------------------- *) | |
350 | (* positions *) | |
351 | ||
352 | (* PER = keep bindings separate, ALL = collect them *) | |
353 | and meta_collect = PER | ALL | |
354 | ||
355 | and meta_pos = | |
356 | MetaPos of meta_name mcode * meta_name list * | |
357 | meta_collect * keep_binding * inherited | |
358 | | NoMetaPos | |
359 | ||
360 | (* --------------------------------------------------------------------- *) | |
361 | (* Function declaration *) | |
362 | ||
363 | and storage = Static | Auto | Register | Extern | |
364 | ||
365 | (* --------------------------------------------------------------------- *) | |
366 | (* Top-level code *) | |
367 | ||
368 | and base_rule_elem = | |
369 | FunHeader of mcodekind (* before the function header *) * | |
370 | bool (* true if all minus, for dropping static, etc *) * | |
371 | fninfo list * ident (* name *) * | |
372 | string mcode (* ( *) * parameter_list * | |
373 | string mcode (* ) *) | |
374 | | Decl of mcodekind (* before the decl *) * | |
375 | bool (* true if all minus *) * declaration | |
376 | ||
377 | | SeqStart of string mcode (* { *) | |
378 | | SeqEnd of string mcode (* } *) | |
379 | ||
380 | | ExprStatement of expression * string mcode (*;*) | |
381 | | IfHeader of string mcode (* if *) * string mcode (* ( *) * | |
382 | expression * string mcode (* ) *) | |
383 | | Else of string mcode (* else *) | |
384 | | WhileHeader of string mcode (* while *) * string mcode (* ( *) * | |
385 | expression * string mcode (* ) *) | |
386 | | DoHeader of string mcode (* do *) | |
387 | | WhileTail of string mcode (* while *) * string mcode (* ( *) * | |
388 | expression * string mcode (* ) *) * | |
389 | string mcode (* ; *) | |
390 | | ForHeader of string mcode (* for *) * string mcode (* ( *) * | |
391 | expression option * string mcode (*;*) * | |
392 | expression option * string mcode (*;*) * | |
393 | expression option * string mcode (* ) *) | |
394 | | IteratorHeader of ident (* name *) * string mcode (* ( *) * | |
395 | expression dots * string mcode (* ) *) | |
396 | | SwitchHeader of string mcode (* switch *) * string mcode (* ( *) * | |
397 | expression * string mcode (* ) *) | |
398 | | Break of string mcode (* break *) * string mcode (* ; *) | |
399 | | Continue of string mcode (* continue *) * string mcode (* ; *) | |
400 | | Label of ident * string mcode (* : *) | |
401 | | Goto of string mcode (* goto *) * ident * string mcode (* ; *) | |
402 | | Return of string mcode (* return *) * string mcode (* ; *) | |
403 | | ReturnExpr of string mcode (* return *) * expression * | |
404 | string mcode (* ; *) | |
405 | ||
406 | | MetaRuleElem of meta_name mcode * keep_binding * inherited | |
407 | | MetaStmt of meta_name mcode * keep_binding * metaStmtInfo * | |
408 | inherited | |
409 | | MetaStmtList of meta_name mcode * keep_binding * inherited | |
410 | ||
411 | | Exp of expression (* matches a subterm *) | |
412 | | TopExp of expression (* for macros body, exp at top level, | |
413 | not subexp *) | |
414 | | Ty of fullType (* only at SP top level, matches a subterm *) | |
415 | | TopInit of initialiser (* only at top level *) | |
416 | | Include of string mcode (*#include*) * inc_file mcode (*file *) | |
417 | | DefineHeader of string mcode (* #define *) * ident (* name *) * | |
418 | define_parameters (*params*) | |
419 | | Case of string mcode (* case *) * expression * string mcode (*:*) | |
420 | | Default of string mcode (* default *) * string mcode (*:*) | |
421 | | DisjRuleElem of rule_elem list | |
422 | ||
423 | and fninfo = | |
424 | FStorage of storage mcode | |
425 | | FType of fullType | |
426 | | FInline of string mcode | |
427 | | FAttr of string mcode | |
428 | ||
429 | and metaStmtInfo = | |
430 | NotSequencible | SequencibleAfterDots of dots_whencode list | Sequencible | |
431 | ||
432 | and rule_elem = base_rule_elem wrap | |
433 | ||
434 | and base_statement = | |
435 | Seq of rule_elem (* { *) * statement dots * | |
436 | statement dots * rule_elem (* } *) | |
437 | | IfThen of rule_elem (* header *) * statement * end_info (* endif *) | |
438 | | IfThenElse of rule_elem (* header *) * statement * | |
439 | rule_elem (* else *) * statement * end_info (* endif *) | |
440 | | While of rule_elem (* header *) * statement * end_info (*endwhile*) | |
441 | | Do of rule_elem (* do *) * statement * rule_elem (* tail *) | |
442 | | For of rule_elem (* header *) * statement * end_info (*endfor*) | |
443 | | Iterator of rule_elem (* header *) * statement * end_info (*enditer*) | |
444 | | Switch of rule_elem (* header *) * rule_elem (* { *) * | |
445 | case_line list * rule_elem (* } *) | |
446 | | Atomic of rule_elem | |
447 | | Disj of statement dots list | |
448 | | Nest of statement dots * | |
449 | (statement dots,statement) whencode list * multi * | |
450 | dots_whencode list * dots_whencode list | |
451 | | FunDecl of rule_elem (* header *) * rule_elem (* { *) * | |
452 | statement dots * statement dots * rule_elem (* } *) | |
453 | | Define of rule_elem (* header *) * statement dots | |
454 | | Dots of string mcode (* ... *) * | |
455 | (statement dots,statement) whencode list * | |
456 | dots_whencode list * dots_whencode list | |
457 | | Circles of string mcode (* ooo *) * | |
458 | (statement dots,statement) whencode list * | |
459 | dots_whencode list * dots_whencode list | |
460 | | Stars of string mcode (* *** *) * | |
461 | (statement dots,statement) whencode list * | |
462 | dots_whencode list * dots_whencode list | |
463 | | OptStm of statement | |
464 | | UniqueStm of statement | |
465 | ||
466 | and ('a,'b) whencode = | |
467 | WhenNot of 'a | |
468 | | WhenAlways of 'b | |
469 | | WhenModifier of when_modifier | |
470 | | WhenNotTrue of rule_elem (* useful for fvs *) | |
471 | | WhenNotFalse of rule_elem | |
472 | ||
473 | and when_modifier = | |
474 | (* The following removes the shortest path constraint. It can be used | |
475 | with other when modifiers *) | |
476 | WhenAny | |
477 | (* The following removes the special consideration of error paths. It | |
478 | can be used with other when modifiers *) | |
479 | | WhenStrict | |
480 | | WhenForall | |
481 | | WhenExists | |
482 | ||
483 | (* only used with asttoctl *) | |
484 | and dots_whencode = | |
485 | WParen of rule_elem * meta_name (*pren_var*) | |
486 | | Other of statement | |
487 | | Other_dots of statement dots | |
488 | ||
489 | and statement = base_statement wrap | |
490 | ||
491 | and base_case_line = | |
492 | CaseLine of rule_elem (* case/default header *) * statement dots | |
493 | | OptCase of case_line | |
494 | ||
495 | and case_line = base_case_line wrap | |
496 | ||
497 | and inc_file = | |
498 | Local of inc_elem list | |
499 | | NonLocal of inc_elem list | |
500 | ||
501 | and inc_elem = | |
502 | IncPath of string | |
503 | | IncDots | |
504 | ||
505 | and base_top_level = | |
506 | DECL of statement | |
507 | | CODE of statement dots | |
508 | | FILEINFO of string mcode (* old file *) * string mcode (* new file *) | |
509 | | ERRORWORDS of expression list | |
510 | ||
511 | and top_level = base_top_level wrap | |
512 | ||
513 | and rulename = | |
514 | CocciRulename of string option * dependency * | |
515 | string list * string list * exists * bool | |
516 | | GeneratedRulename of string option * dependency * | |
517 | string list * string list * exists * bool | |
518 | | ScriptRulename of string * dependency | |
519 | ||
520 | and ruletype = Normal | Generated | |
521 | ||
522 | and rule = | |
523 | CocciRule of string (* name *) * | |
524 | (dependency * string list (* dropped isos *) * exists) * top_level list | |
525 | * bool list * ruletype | |
526 | | ScriptRule of string * dependency * (string * meta_name) list * string | |
527 | ||
528 | and dependency = | |
529 | Dep of string (* rule applies for the current binding *) | |
530 | | AntiDep of string (* rule doesn't apply for the current binding *) | |
531 | | EverDep of string (* rule applies for some binding *) | |
532 | | NeverDep of string (* rule never applies for any binding *) | |
533 | | AndDep of dependency * dependency | |
534 | | OrDep of dependency * dependency | |
535 | | NoDep | |
536 | ||
537 | and rule_with_metavars = metavar list * rule | |
538 | ||
539 | and anything = | |
540 | FullTypeTag of fullType | |
541 | | BaseTypeTag of baseType | |
542 | | StructUnionTag of structUnion | |
543 | | SignTag of sign | |
544 | | IdentTag of ident | |
545 | | ExpressionTag of expression | |
546 | | ConstantTag of constant | |
547 | | UnaryOpTag of unaryOp | |
548 | | AssignOpTag of assignOp | |
549 | | FixOpTag of fixOp | |
550 | | BinaryOpTag of binaryOp | |
551 | | ArithOpTag of arithOp | |
552 | | LogicalOpTag of logicalOp | |
553 | | DeclarationTag of declaration | |
554 | | InitTag of initialiser | |
555 | | StorageTag of storage | |
556 | | IncFileTag of inc_file | |
557 | | Rule_elemTag of rule_elem | |
558 | | StatementTag of statement | |
559 | | CaseLineTag of case_line | |
560 | | ConstVolTag of const_vol | |
561 | | Token of string * info option | |
562 | | Code of top_level | |
563 | | ExprDotsTag of expression dots | |
564 | | ParamDotsTag of parameterTypeDef dots | |
565 | | StmtDotsTag of statement dots | |
566 | | DeclDotsTag of declaration dots | |
567 | | TypeCTag of typeC | |
568 | | ParamTag of parameterTypeDef | |
569 | | SgrepStartTag of string | |
570 | | SgrepEndTag of string | |
571 | ||
572 | (* --------------------------------------------------------------------- *) | |
573 | ||
574 | and exists = Exists | Forall | ReverseForall | Undetermined | |
575 | ||
576 | (* --------------------------------------------------------------------- *) | |
577 | ||
578 | let mkToken x = Token (x,None) | |
579 | ||
580 | (* --------------------------------------------------------------------- *) | |
581 | ||
582 | let rewrap model x = {model with node = x} | |
583 | let rewrap_mcode (_,a,b,c) x = (x,a,b,c) | |
584 | let unwrap x = x.node | |
585 | let unwrap_mcode (x,_,_,_) = x | |
586 | let get_mcodekind (_,_,x,_) = x | |
587 | let get_line x = x.node_line | |
588 | let get_mcode_line (_,l,_,_) = l.line | |
589 | let get_fvs x = x.free_vars | |
590 | let set_fvs fvs x = {x with free_vars = fvs} | |
591 | let get_mfvs x = x.minus_free_vars | |
592 | let set_mfvs mfvs x = {x with minus_free_vars = mfvs} | |
593 | let get_fresh x = x.fresh_vars | |
594 | let get_inherited x = x.inherited | |
595 | let get_saved x = x.saved_witness | |
596 | let get_dots_bef_aft x = x.bef_aft | |
597 | let set_dots_bef_aft d x = {x with bef_aft = d} | |
598 | let get_pos x = x.pos_info | |
599 | let set_pos x pos = {x with pos_info = pos} | |
600 | let get_test_exp x = x.true_if_test_exp | |
601 | let set_test_exp x = {x with true_if_test_exp = true} | |
602 | let get_isos x = x.iso_info | |
603 | let set_isos x isos = {x with iso_info = isos} | |
604 | let get_pos_var (_,_,_,p) = p | |
605 | let set_pos_var vr (a,b,c,_) = (a,b,c,vr) | |
606 | let drop_pos (a,b,c,_) = (a,b,c,NoMetaPos) | |
607 | ||
608 | let get_wcfvs (whencode : ('a wrap, 'b wrap) whencode list) = | |
609 | Common.union_all | |
610 | (List.map | |
611 | (function | |
612 | WhenNot(a) -> get_fvs a | |
613 | | WhenAlways(a) -> get_fvs a | |
614 | | WhenModifier(_) -> [] | |
615 | | WhenNotTrue(e) -> get_fvs e | |
616 | | WhenNotFalse(e) -> get_fvs e) | |
617 | whencode) | |
618 | ||
619 | (* --------------------------------------------------------------------- *) | |
620 | ||
621 | let get_meta_name = function | |
622 | MetaIdDecl(ar,nm) -> nm | |
623 | | MetaFreshIdDecl(ar,nm) -> nm | |
624 | | MetaTypeDecl(ar,nm) -> nm | |
625 | | MetaInitDecl(ar,nm) -> nm | |
626 | | MetaListlenDecl(nm) -> nm | |
627 | | MetaParamDecl(ar,nm) -> nm | |
628 | | MetaParamListDecl(ar,nm,nm1) -> nm | |
629 | | MetaConstDecl(ar,nm,ty) -> nm | |
630 | | MetaErrDecl(ar,nm) -> nm | |
631 | | MetaExpDecl(ar,nm,ty) -> nm | |
632 | | MetaIdExpDecl(ar,nm,ty) -> nm | |
633 | | MetaLocalIdExpDecl(ar,nm,ty) -> nm | |
634 | | MetaExpListDecl(ar,nm,nm1) -> nm | |
635 | | MetaStmDecl(ar,nm) -> nm | |
636 | | MetaStmListDecl(ar,nm) -> nm | |
637 | | MetaFuncDecl(ar,nm) -> nm | |
638 | | MetaLocalFuncDecl(ar,nm) -> nm | |
639 | | MetaPosDecl(ar,nm) -> nm | |
640 | | MetaDeclarerDecl(ar,nm) -> nm | |
641 | | MetaIteratorDecl(ar,nm) -> nm | |
642 | ||
643 | (* --------------------------------------------------------------------- *) | |
644 | ||
645 | let no_info = { line = 0; column = 0; strbef = []; straft = [] } | |
646 | ||
647 | let make_term x = | |
648 | {node = x; | |
649 | node_line = 0; | |
650 | free_vars = []; | |
651 | minus_free_vars = []; | |
652 | fresh_vars = []; | |
653 | inherited = []; | |
654 | saved_witness = []; | |
655 | bef_aft = NoDots; | |
656 | pos_info = None; | |
657 | true_if_test_exp = false; | |
658 | iso_info = [] } | |
659 | ||
660 | let make_meta_rule_elem s d (fvs,fresh,inh) = | |
661 | {(make_term | |
662 | (MetaRuleElem((("",s),no_info,d,NoMetaPos),Type_cocci.Unitary,false))) | |
663 | with free_vars = fvs; fresh_vars = fresh; inherited = inh} | |
664 | ||
665 | let make_meta_decl s d (fvs,fresh,inh) = | |
666 | {(make_term | |
667 | (MetaDecl((("",s),no_info,d,NoMetaPos),Type_cocci.Unitary,false))) with | |
668 | free_vars = fvs; fresh_vars = fresh; inherited = inh} | |
669 | ||
670 | let make_mcode x = (x,no_info,CONTEXT(NoPos,NOTHING),NoMetaPos) | |
671 | ||
672 | (* --------------------------------------------------------------------- *) | |
673 | ||
674 | let equal_pos x y = x = y | |
675 | ||
676 | (* --------------------------------------------------------------------- *) | |
677 | ||
678 | let undots x = | |
679 | match unwrap x with | |
680 | DOTS e -> e | |
681 | | CIRCLES e -> e | |
682 | | STARS e -> e |