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34e49164 | 1 | (* |
faf9a90c | 2 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen |
34e49164 C |
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; | |
0708f913 C |
27 | strbef : (string * int (* line *) * int (* col *)) list; |
28 | straft : (string * int (* line *) * int (* col *)) list } | |
34e49164 C |
29 | type line = int |
30 | type meta_name = string * string | |
31 | (* need to be careful about rewrapping, to avoid duplicating pos info | |
32 | currently, the pos info is always None until asttoctl2. *) | |
33 | type 'a wrap = | |
34 | {node : 'a; | |
35 | node_line : line; | |
36 | free_vars : meta_name list; (*free vars*) | |
37 | minus_free_vars : meta_name list; (*minus free vars*) | |
38 | fresh_vars : meta_name list; (*fresh vars*) | |
39 | inherited : meta_name list; (*inherited vars*) | |
40 | saved_witness : meta_name list; (*witness vars*) | |
41 | bef_aft : dots_bef_aft; | |
42 | (* the following is for or expressions *) | |
43 | pos_info : meta_name mcode option; (* pos info, try not to duplicate *) | |
44 | true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *) | |
45 | (* isos relevant to the term; ultimately only used for rule_elems *) | |
46 | iso_info : (string*anything) list } | |
47 | ||
48 | and 'a befaft = | |
49 | BEFORE of 'a list list | |
50 | | AFTER of 'a list list | |
51 | | BEFOREAFTER of 'a list list * 'a list list | |
52 | | NOTHING | |
53 | ||
54 | and 'a mcode = 'a * info * mcodekind * meta_pos (* pos variable *) | |
55 | (* pos is an offset indicating where in the C code the mcodekind has an | |
56 | effect *) | |
57 | and mcodekind = | |
58 | MINUS of pos * anything list list | |
59 | | CONTEXT of pos * anything befaft | |
60 | | PLUS | |
61 | and fixpos = | |
62 | Real of int (* charpos *) | Virt of int * int (* charpos + offset *) | |
63 | and pos = NoPos | DontCarePos | FixPos of (fixpos * fixpos) | |
64 | ||
65 | and dots_bef_aft = | |
66 | NoDots | |
67 | | AddingBetweenDots of statement * int (*index of let var*) | |
68 | | DroppingBetweenDots of statement * int (*index of let var*) | |
69 | ||
70 | and inherited = Type_cocci.inherited | |
71 | and keep_binding = Type_cocci.keep_binding | |
72 | and multi = bool (*true if a nest is one or more, false if it is zero or more*) | |
73 | ||
74 | and end_info = | |
75 | meta_name list (*free vars*) * meta_name list (*inherited vars*) * | |
76 | meta_name list (*witness vars*) * mcodekind | |
77 | ||
78 | (* --------------------------------------------------------------------- *) | |
79 | (* Metavariables *) | |
80 | ||
81 | and arity = UNIQUE | OPT | MULTI | NONE | |
82 | ||
83 | and metavar = | |
84 | MetaIdDecl of arity * meta_name (* name *) | |
85 | | MetaFreshIdDecl of arity * meta_name (* name *) | |
86 | | MetaTypeDecl of arity * meta_name (* name *) | |
113803cf | 87 | | MetaInitDecl of arity * meta_name (* name *) |
34e49164 C |
88 | | MetaListlenDecl of meta_name (* name *) |
89 | | MetaParamDecl of arity * meta_name (* name *) | |
90 | | MetaParamListDecl of arity * meta_name (*name*) * meta_name option (*len*) | |
91 | | MetaConstDecl of | |
92 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
93 | | MetaErrDecl of arity * meta_name (* name *) | |
94 | | MetaExpDecl of | |
95 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
96 | | MetaIdExpDecl of | |
97 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
98 | | MetaLocalIdExpDecl of | |
99 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
100 | | MetaExpListDecl of arity * meta_name (*name*) * meta_name option (*len*) | |
101 | | MetaStmDecl of arity * meta_name (* name *) | |
102 | | MetaStmListDecl of arity * meta_name (* name *) | |
103 | | MetaFuncDecl of arity * meta_name (* name *) | |
104 | | MetaLocalFuncDecl of arity * meta_name (* name *) | |
105 | | MetaPosDecl of arity * meta_name (* name *) | |
106 | | MetaDeclarerDecl of arity * meta_name (* name *) | |
107 | | MetaIteratorDecl of arity * meta_name (* name *) | |
108 | ||
109 | (* --------------------------------------------------------------------- *) | |
110 | (* --------------------------------------------------------------------- *) | |
111 | (* Dots *) | |
112 | ||
113 | and 'a base_dots = | |
114 | DOTS of 'a list | |
115 | | CIRCLES of 'a list | |
116 | | STARS of 'a list | |
117 | ||
118 | and 'a dots = 'a base_dots wrap | |
119 | ||
120 | (* --------------------------------------------------------------------- *) | |
121 | (* Identifier *) | |
122 | ||
123 | and base_ident = | |
124 | Id of string mcode | |
125 | ||
126 | | MetaId of meta_name mcode * ident list * keep_binding * inherited | |
127 | | MetaFunc of meta_name mcode * ident list * keep_binding * inherited | |
128 | | MetaLocalFunc of meta_name mcode * ident list * keep_binding * inherited | |
129 | ||
130 | | OptIdent of ident | |
131 | | UniqueIdent of ident | |
132 | ||
133 | and ident = base_ident wrap | |
134 | ||
135 | (* --------------------------------------------------------------------- *) | |
136 | (* Expression *) | |
137 | ||
faf9a90c | 138 | and base_expression = |
34e49164 C |
139 | Ident of ident |
140 | | Constant of constant mcode | |
141 | | FunCall of expression * string mcode (* ( *) * | |
142 | expression dots * string mcode (* ) *) | |
143 | | Assignment of expression * assignOp mcode * expression * | |
144 | bool (* true if it can match an initialization *) | |
145 | | CondExpr of expression * string mcode (* ? *) * expression option * | |
146 | string mcode (* : *) * expression | |
147 | | Postfix of expression * fixOp mcode | |
148 | | Infix of expression * fixOp mcode | |
149 | | Unary of expression * unaryOp mcode | |
150 | | Binary of expression * binaryOp mcode * expression | |
151 | | Nested of expression * binaryOp mcode * expression | |
152 | | ArrayAccess of expression * string mcode (* [ *) * expression * | |
153 | string mcode (* ] *) | |
154 | | RecordAccess of expression * string mcode (* . *) * ident | |
155 | | RecordPtAccess of expression * string mcode (* -> *) * ident | |
156 | | Cast of string mcode (* ( *) * fullType * string mcode (* ) *) * | |
157 | expression | |
158 | | SizeOfExpr of string mcode (* sizeof *) * expression | |
159 | | SizeOfType of string mcode (* sizeof *) * string mcode (* ( *) * | |
160 | fullType * string mcode (* ) *) | |
161 | | TypeExp of fullType (*type name used as an expression, only in | |
162 | arg or #define*) | |
163 | ||
164 | | Paren of string mcode (* ( *) * expression * | |
165 | string mcode (* ) *) | |
166 | ||
167 | | MetaErr of meta_name mcode * expression list * keep_binding * | |
168 | inherited | |
169 | | MetaExpr of meta_name mcode * expression list * keep_binding * | |
170 | Type_cocci.typeC list option * form * inherited | |
171 | | MetaExprList of meta_name mcode * listlen option * keep_binding * | |
172 | inherited (* only in arg lists *) | |
173 | ||
174 | | EComma of string mcode (* only in arg lists *) | |
175 | ||
176 | | DisjExpr of expression list | |
177 | | NestExpr of expression dots * expression option * multi | |
178 | ||
179 | (* can appear in arg lists, and also inside Nest, as in: | |
180 | if(< ... X ... Y ...>) | |
181 | In the following, the expression option is the WHEN *) | |
182 | | Edots of string mcode (* ... *) * expression option | |
183 | | Ecircles of string mcode (* ooo *) * expression option | |
184 | | Estars of string mcode (* *** *) * expression option | |
185 | ||
186 | | OptExp of expression | |
187 | | UniqueExp of expression | |
188 | ||
189 | (* ANY = int E; ID = idexpression int X; CONST = constant int X; *) | |
190 | and form = ANY | ID | LocalID | CONST (* form for MetaExp *) | |
191 | ||
192 | and expression = base_expression wrap | |
193 | ||
194 | and listlen = meta_name mcode * keep_binding * inherited | |
195 | ||
196 | and unaryOp = GetRef | DeRef | UnPlus | UnMinus | Tilde | Not | |
197 | and assignOp = SimpleAssign | OpAssign of arithOp | |
198 | and fixOp = Dec | Inc | |
199 | ||
200 | and binaryOp = Arith of arithOp | Logical of logicalOp | |
201 | and arithOp = | |
202 | Plus | Minus | Mul | Div | Mod | DecLeft | DecRight | And | Or | Xor | |
203 | and logicalOp = Inf | Sup | InfEq | SupEq | Eq | NotEq | AndLog | OrLog | |
204 | ||
205 | and constant = | |
206 | String of string | |
207 | | Char of string | |
208 | | Int of string | |
209 | | Float of string | |
210 | ||
211 | (* --------------------------------------------------------------------- *) | |
212 | (* Types *) | |
213 | ||
214 | and base_fullType = | |
215 | Type of const_vol mcode option * typeC | |
216 | | DisjType of fullType list (* only after iso *) | |
217 | | OptType of fullType | |
218 | | UniqueType of fullType | |
219 | ||
faf9a90c C |
220 | and base_typeC = |
221 | BaseType of baseType * string mcode list (* Yoann style *) | |
222 | | SignedT of sign mcode * typeC option | |
34e49164 C |
223 | | Pointer of fullType * string mcode (* * *) |
224 | | FunctionPointer of fullType * | |
225 | string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)* | |
226 | string mcode (* ( *)*parameter_list*string mcode(* ) *) | |
227 | ||
228 | (* used for the automatic managment of prototypes *) | |
229 | | FunctionType of bool (* true if all minus for dropping return type *) * | |
230 | fullType option * | |
231 | string mcode (* ( *) * parameter_list * | |
232 | string mcode (* ) *) | |
233 | ||
234 | | Array of fullType * string mcode (* [ *) * | |
235 | expression option * string mcode (* ] *) | |
faf9a90c | 236 | | EnumName of string mcode (*enum*) * ident (* name *) |
34e49164 C |
237 | | StructUnionName of structUnion mcode * ident option (* name *) |
238 | | StructUnionDef of fullType (* either StructUnionName or metavar *) * | |
239 | string mcode (* { *) * declaration dots * string mcode (* } *) | |
240 | | TypeName of string mcode | |
241 | ||
242 | | MetaType of meta_name mcode * keep_binding * inherited | |
243 | ||
244 | and fullType = base_fullType wrap | |
245 | and typeC = base_typeC wrap | |
faf9a90c | 246 | |
34e49164 | 247 | and baseType = VoidType | CharType | ShortType | IntType | DoubleType |
faf9a90c | 248 | | FloatType | LongType | LongLongType |
34e49164 C |
249 | |
250 | and structUnion = Struct | Union | |
251 | ||
252 | and sign = Signed | Unsigned | |
253 | ||
254 | and const_vol = Const | Volatile | |
255 | ||
256 | (* --------------------------------------------------------------------- *) | |
257 | (* Variable declaration *) | |
258 | (* Even if the Cocci program specifies a list of declarations, they are | |
259 | split out into multiple declarations of a single variable each. *) | |
260 | ||
261 | and base_declaration = | |
262 | Init of storage mcode option * fullType * ident * string mcode (*=*) * | |
263 | initialiser * string mcode (*;*) | |
264 | | UnInit of storage mcode option * fullType * ident * string mcode (* ; *) | |
265 | | TyDecl of fullType * string mcode (* ; *) | |
266 | | MacroDecl of ident (* name *) * string mcode (* ( *) * | |
267 | expression dots * string mcode (* ) *) * string mcode (* ; *) | |
faf9a90c | 268 | | Typedef of string mcode (*typedef*) * fullType * |
34e49164 C |
269 | typeC (* either TypeName or metavar *) * string mcode (*;*) |
270 | | DisjDecl of declaration list | |
271 | (* Ddots is for a structure declaration *) | |
272 | | Ddots of string mcode (* ... *) * declaration option (* whencode *) | |
273 | ||
274 | | MetaDecl of meta_name mcode * keep_binding * inherited | |
275 | ||
276 | | OptDecl of declaration | |
277 | | UniqueDecl of declaration | |
278 | ||
279 | and declaration = base_declaration wrap | |
280 | ||
281 | (* --------------------------------------------------------------------- *) | |
282 | (* Initializers *) | |
283 | ||
284 | and base_initialiser = | |
113803cf C |
285 | MetaInit of meta_name mcode * keep_binding * inherited |
286 | | InitExpr of expression | |
34e49164 C |
287 | | InitList of string mcode (*{*) * initialiser list * string mcode (*}*) * |
288 | initialiser list (* whencode: elements that shouldn't appear in init *) | |
113803cf C |
289 | | InitGccExt of |
290 | designator list (* name *) * string mcode (*=*) * | |
34e49164 C |
291 | initialiser (* gccext: *) |
292 | | InitGccName of ident (* name *) * string mcode (*:*) * | |
293 | initialiser | |
34e49164 C |
294 | | IComma of string mcode (* , *) |
295 | ||
296 | | OptIni of initialiser | |
297 | | UniqueIni of initialiser | |
298 | ||
113803cf C |
299 | and designator = |
300 | DesignatorField of string mcode (* . *) * ident | |
301 | | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *) | |
302 | | DesignatorRange of | |
303 | string mcode (* [ *) * expression * string mcode (* ... *) * | |
304 | expression * string mcode (* ] *) | |
305 | ||
34e49164 C |
306 | and initialiser = base_initialiser wrap |
307 | ||
308 | (* --------------------------------------------------------------------- *) | |
309 | (* Parameter *) | |
310 | ||
311 | and base_parameterTypeDef = | |
312 | VoidParam of fullType | |
313 | | Param of fullType * ident option | |
314 | ||
315 | | MetaParam of meta_name mcode * keep_binding * inherited | |
316 | | MetaParamList of meta_name mcode * listlen option * keep_binding * | |
317 | inherited | |
318 | ||
319 | | PComma of string mcode | |
320 | ||
321 | | Pdots of string mcode (* ... *) | |
322 | | Pcircles of string mcode (* ooo *) | |
323 | ||
324 | | OptParam of parameterTypeDef | |
325 | | UniqueParam of parameterTypeDef | |
326 | ||
327 | and parameterTypeDef = base_parameterTypeDef wrap | |
328 | ||
329 | and parameter_list = parameterTypeDef dots | |
330 | ||
331 | (* --------------------------------------------------------------------- *) | |
332 | (* #define Parameters *) | |
333 | ||
334 | and base_define_param = | |
335 | DParam of ident | |
336 | | DPComma of string mcode | |
337 | | DPdots of string mcode (* ... *) | |
338 | | DPcircles of string mcode (* ooo *) | |
339 | | OptDParam of define_param | |
340 | | UniqueDParam of define_param | |
341 | ||
342 | and define_param = base_define_param wrap | |
343 | ||
344 | and base_define_parameters = | |
345 | NoParams (* not parameter list, not an empty one *) | |
346 | | DParams of string mcode(*( *) * define_param dots * string mcode(* )*) | |
347 | ||
348 | and define_parameters = base_define_parameters wrap | |
349 | ||
350 | (* --------------------------------------------------------------------- *) | |
351 | (* positions *) | |
352 | ||
353 | (* PER = keep bindings separate, ALL = collect them *) | |
354 | and meta_collect = PER | ALL | |
355 | ||
356 | and meta_pos = | |
357 | MetaPos of meta_name mcode * meta_name list * | |
358 | meta_collect * keep_binding * inherited | |
359 | | NoMetaPos | |
360 | ||
361 | (* --------------------------------------------------------------------- *) | |
362 | (* Function declaration *) | |
363 | ||
364 | and storage = Static | Auto | Register | Extern | |
365 | ||
366 | (* --------------------------------------------------------------------- *) | |
367 | (* Top-level code *) | |
368 | ||
369 | and base_rule_elem = | |
370 | FunHeader of mcodekind (* before the function header *) * | |
371 | bool (* true if all minus, for dropping static, etc *) * | |
372 | fninfo list * ident (* name *) * | |
373 | string mcode (* ( *) * parameter_list * | |
374 | string mcode (* ) *) | |
375 | | Decl of mcodekind (* before the decl *) * | |
376 | bool (* true if all minus *) * declaration | |
377 | ||
378 | | SeqStart of string mcode (* { *) | |
379 | | SeqEnd of string mcode (* } *) | |
380 | ||
381 | | ExprStatement of expression * string mcode (*;*) | |
382 | | IfHeader of string mcode (* if *) * string mcode (* ( *) * | |
383 | expression * string mcode (* ) *) | |
384 | | Else of string mcode (* else *) | |
385 | | WhileHeader of string mcode (* while *) * string mcode (* ( *) * | |
386 | expression * string mcode (* ) *) | |
387 | | DoHeader of string mcode (* do *) | |
388 | | WhileTail of string mcode (* while *) * string mcode (* ( *) * | |
389 | expression * string mcode (* ) *) * | |
390 | string mcode (* ; *) | |
391 | | ForHeader of string mcode (* for *) * string mcode (* ( *) * | |
392 | expression option * string mcode (*;*) * | |
393 | expression option * string mcode (*;*) * | |
394 | expression option * string mcode (* ) *) | |
395 | | IteratorHeader of ident (* name *) * string mcode (* ( *) * | |
396 | expression dots * string mcode (* ) *) | |
397 | | SwitchHeader of string mcode (* switch *) * string mcode (* ( *) * | |
398 | expression * string mcode (* ) *) | |
399 | | Break of string mcode (* break *) * string mcode (* ; *) | |
400 | | Continue of string mcode (* continue *) * string mcode (* ; *) | |
401 | | Label of ident * string mcode (* : *) | |
402 | | Goto of string mcode (* goto *) * ident * string mcode (* ; *) | |
403 | | Return of string mcode (* return *) * string mcode (* ; *) | |
404 | | ReturnExpr of string mcode (* return *) * expression * | |
405 | string mcode (* ; *) | |
406 | ||
407 | | MetaRuleElem of meta_name mcode * keep_binding * inherited | |
408 | | MetaStmt of meta_name mcode * keep_binding * metaStmtInfo * | |
409 | inherited | |
410 | | MetaStmtList of meta_name mcode * keep_binding * inherited | |
411 | ||
412 | | Exp of expression (* matches a subterm *) | |
413 | | TopExp of expression (* for macros body, exp at top level, | |
414 | not subexp *) | |
415 | | Ty of fullType (* only at SP top level, matches a subterm *) | |
1be43e12 | 416 | | TopInit of initialiser (* only at top level *) |
34e49164 C |
417 | | Include of string mcode (*#include*) * inc_file mcode (*file *) |
418 | | DefineHeader of string mcode (* #define *) * ident (* name *) * | |
419 | define_parameters (*params*) | |
420 | | Case of string mcode (* case *) * expression * string mcode (*:*) | |
421 | | Default of string mcode (* default *) * string mcode (*:*) | |
422 | | DisjRuleElem of rule_elem list | |
423 | ||
424 | and fninfo = | |
425 | FStorage of storage mcode | |
426 | | FType of fullType | |
427 | | FInline of string mcode | |
428 | | FAttr of string mcode | |
429 | ||
430 | and metaStmtInfo = | |
431 | NotSequencible | SequencibleAfterDots of dots_whencode list | Sequencible | |
432 | ||
433 | and rule_elem = base_rule_elem wrap | |
434 | ||
435 | and base_statement = | |
436 | Seq of rule_elem (* { *) * statement dots * | |
437 | statement dots * rule_elem (* } *) | |
438 | | IfThen of rule_elem (* header *) * statement * end_info (* endif *) | |
439 | | IfThenElse of rule_elem (* header *) * statement * | |
440 | rule_elem (* else *) * statement * end_info (* endif *) | |
441 | | While of rule_elem (* header *) * statement * end_info (*endwhile*) | |
442 | | Do of rule_elem (* do *) * statement * rule_elem (* tail *) | |
443 | | For of rule_elem (* header *) * statement * end_info (*endfor*) | |
444 | | Iterator of rule_elem (* header *) * statement * end_info (*enditer*) | |
445 | | Switch of rule_elem (* header *) * rule_elem (* { *) * | |
446 | case_line list * rule_elem (* } *) | |
447 | | Atomic of rule_elem | |
448 | | Disj of statement dots list | |
449 | | Nest of statement dots * | |
450 | (statement dots,statement) whencode list * multi * | |
451 | dots_whencode list * dots_whencode list | |
452 | | FunDecl of rule_elem (* header *) * rule_elem (* { *) * | |
453 | statement dots * statement dots * rule_elem (* } *) | |
454 | | Define of rule_elem (* header *) * statement dots | |
455 | | Dots of string mcode (* ... *) * | |
456 | (statement dots,statement) whencode list * | |
457 | dots_whencode list * dots_whencode list | |
458 | | Circles of string mcode (* ooo *) * | |
459 | (statement dots,statement) whencode list * | |
460 | dots_whencode list * dots_whencode list | |
461 | | Stars of string mcode (* *** *) * | |
462 | (statement dots,statement) whencode list * | |
463 | dots_whencode list * dots_whencode list | |
464 | | OptStm of statement | |
465 | | UniqueStm of statement | |
466 | ||
467 | and ('a,'b) whencode = | |
468 | WhenNot of 'a | |
469 | | WhenAlways of 'b | |
470 | | WhenModifier of when_modifier | |
1be43e12 C |
471 | | WhenNotTrue of rule_elem (* useful for fvs *) |
472 | | WhenNotFalse of rule_elem | |
34e49164 C |
473 | |
474 | and when_modifier = | |
475 | (* The following removes the shortest path constraint. It can be used | |
476 | with other when modifiers *) | |
477 | WhenAny | |
478 | (* The following removes the special consideration of error paths. It | |
479 | can be used with other when modifiers *) | |
480 | | WhenStrict | |
481 | | WhenForall | |
482 | | WhenExists | |
483 | ||
484 | (* only used with asttoctl *) | |
485 | and dots_whencode = | |
486 | WParen of rule_elem * meta_name (*pren_var*) | |
487 | | Other of statement | |
488 | | Other_dots of statement dots | |
489 | ||
490 | and statement = base_statement wrap | |
491 | ||
492 | and base_case_line = | |
493 | CaseLine of rule_elem (* case/default header *) * statement dots | |
494 | | OptCase of case_line | |
495 | ||
496 | and case_line = base_case_line wrap | |
497 | ||
498 | and inc_file = | |
499 | Local of inc_elem list | |
500 | | NonLocal of inc_elem list | |
501 | ||
502 | and inc_elem = | |
503 | IncPath of string | |
504 | | IncDots | |
505 | ||
506 | and base_top_level = | |
507 | DECL of statement | |
508 | | CODE of statement dots | |
509 | | FILEINFO of string mcode (* old file *) * string mcode (* new file *) | |
510 | | ERRORWORDS of expression list | |
511 | ||
512 | and top_level = base_top_level wrap | |
513 | ||
514 | and rulename = | |
515 | CocciRulename of string option * dependency * | |
516 | string list * string list * exists * bool | |
faf9a90c C |
517 | | GeneratedRulename of string option * dependency * |
518 | string list * string list * exists * bool | |
34e49164 C |
519 | | ScriptRulename of string * dependency |
520 | ||
faf9a90c C |
521 | and ruletype = Normal | Generated |
522 | ||
34e49164 | 523 | and rule = |
faf9a90c | 524 | CocciRule of string (* name *) * |
34e49164 | 525 | (dependency * string list (* dropped isos *) * exists) * top_level list |
faf9a90c | 526 | * bool list * ruletype |
34e49164 C |
527 | | ScriptRule of string * dependency * (string * meta_name) list * string |
528 | ||
529 | and dependency = | |
530 | Dep of string (* rule applies for the current binding *) | |
531 | | AntiDep of string (* rule doesn't apply for the current binding *) | |
532 | | EverDep of string (* rule applies for some binding *) | |
533 | | NeverDep of string (* rule never applies for any binding *) | |
534 | | AndDep of dependency * dependency | |
535 | | OrDep of dependency * dependency | |
536 | | NoDep | |
537 | ||
538 | and rule_with_metavars = metavar list * rule | |
539 | ||
540 | and anything = | |
541 | FullTypeTag of fullType | |
542 | | BaseTypeTag of baseType | |
543 | | StructUnionTag of structUnion | |
544 | | SignTag of sign | |
545 | | IdentTag of ident | |
546 | | ExpressionTag of expression | |
547 | | ConstantTag of constant | |
548 | | UnaryOpTag of unaryOp | |
549 | | AssignOpTag of assignOp | |
550 | | FixOpTag of fixOp | |
551 | | BinaryOpTag of binaryOp | |
552 | | ArithOpTag of arithOp | |
553 | | LogicalOpTag of logicalOp | |
554 | | DeclarationTag of declaration | |
555 | | InitTag of initialiser | |
556 | | StorageTag of storage | |
557 | | IncFileTag of inc_file | |
558 | | Rule_elemTag of rule_elem | |
559 | | StatementTag of statement | |
560 | | CaseLineTag of case_line | |
561 | | ConstVolTag of const_vol | |
562 | | Token of string * info option | |
0708f913 | 563 | | Pragma of string list |
34e49164 C |
564 | | Code of top_level |
565 | | ExprDotsTag of expression dots | |
566 | | ParamDotsTag of parameterTypeDef dots | |
567 | | StmtDotsTag of statement dots | |
568 | | DeclDotsTag of declaration dots | |
569 | | TypeCTag of typeC | |
570 | | ParamTag of parameterTypeDef | |
571 | | SgrepStartTag of string | |
572 | | SgrepEndTag of string | |
573 | ||
574 | (* --------------------------------------------------------------------- *) | |
575 | ||
576 | and exists = Exists | Forall | ReverseForall | Undetermined | |
577 | ||
578 | (* --------------------------------------------------------------------- *) | |
579 | ||
580 | let mkToken x = Token (x,None) | |
581 | ||
582 | (* --------------------------------------------------------------------- *) | |
583 | ||
584 | let rewrap model x = {model with node = x} | |
585 | let rewrap_mcode (_,a,b,c) x = (x,a,b,c) | |
586 | let unwrap x = x.node | |
587 | let unwrap_mcode (x,_,_,_) = x | |
588 | let get_mcodekind (_,_,x,_) = x | |
589 | let get_line x = x.node_line | |
590 | let get_mcode_line (_,l,_,_) = l.line | |
591 | let get_fvs x = x.free_vars | |
592 | let set_fvs fvs x = {x with free_vars = fvs} | |
593 | let get_mfvs x = x.minus_free_vars | |
594 | let set_mfvs mfvs x = {x with minus_free_vars = mfvs} | |
595 | let get_fresh x = x.fresh_vars | |
596 | let get_inherited x = x.inherited | |
597 | let get_saved x = x.saved_witness | |
598 | let get_dots_bef_aft x = x.bef_aft | |
599 | let set_dots_bef_aft d x = {x with bef_aft = d} | |
600 | let get_pos x = x.pos_info | |
601 | let set_pos x pos = {x with pos_info = pos} | |
602 | let get_test_exp x = x.true_if_test_exp | |
603 | let set_test_exp x = {x with true_if_test_exp = true} | |
604 | let get_isos x = x.iso_info | |
605 | let set_isos x isos = {x with iso_info = isos} | |
606 | let get_pos_var (_,_,_,p) = p | |
607 | let set_pos_var vr (a,b,c,_) = (a,b,c,vr) | |
608 | let drop_pos (a,b,c,_) = (a,b,c,NoMetaPos) | |
609 | ||
610 | let get_wcfvs (whencode : ('a wrap, 'b wrap) whencode list) = | |
611 | Common.union_all | |
612 | (List.map | |
613 | (function | |
614 | WhenNot(a) -> get_fvs a | |
615 | | WhenAlways(a) -> get_fvs a | |
1be43e12 C |
616 | | WhenModifier(_) -> [] |
617 | | WhenNotTrue(e) -> get_fvs e | |
618 | | WhenNotFalse(e) -> get_fvs e) | |
34e49164 C |
619 | whencode) |
620 | ||
621 | (* --------------------------------------------------------------------- *) | |
622 | ||
623 | let get_meta_name = function | |
624 | MetaIdDecl(ar,nm) -> nm | |
625 | | MetaFreshIdDecl(ar,nm) -> nm | |
626 | | MetaTypeDecl(ar,nm) -> nm | |
113803cf | 627 | | MetaInitDecl(ar,nm) -> nm |
34e49164 C |
628 | | MetaListlenDecl(nm) -> nm |
629 | | MetaParamDecl(ar,nm) -> nm | |
630 | | MetaParamListDecl(ar,nm,nm1) -> nm | |
631 | | MetaConstDecl(ar,nm,ty) -> nm | |
632 | | MetaErrDecl(ar,nm) -> nm | |
633 | | MetaExpDecl(ar,nm,ty) -> nm | |
634 | | MetaIdExpDecl(ar,nm,ty) -> nm | |
635 | | MetaLocalIdExpDecl(ar,nm,ty) -> nm | |
636 | | MetaExpListDecl(ar,nm,nm1) -> nm | |
637 | | MetaStmDecl(ar,nm) -> nm | |
638 | | MetaStmListDecl(ar,nm) -> nm | |
639 | | MetaFuncDecl(ar,nm) -> nm | |
640 | | MetaLocalFuncDecl(ar,nm) -> nm | |
641 | | MetaPosDecl(ar,nm) -> nm | |
642 | | MetaDeclarerDecl(ar,nm) -> nm | |
643 | | MetaIteratorDecl(ar,nm) -> nm | |
644 | ||
645 | (* --------------------------------------------------------------------- *) | |
646 | ||
0708f913 C |
647 | and tag2c = function |
648 | FullTypeTag _ -> "FullTypeTag" | |
649 | | BaseTypeTag _ -> "BaseTypeTag" | |
650 | | StructUnionTag _ -> "StructUnionTag" | |
651 | | SignTag _ -> "SignTag" | |
652 | | IdentTag _ -> "IdentTag" | |
653 | | ExpressionTag _ -> "ExpressionTag" | |
654 | | ConstantTag _ -> "ConstantTag" | |
655 | | UnaryOpTag _ -> "UnaryOpTag" | |
656 | | AssignOpTag _ -> "AssignOpTag" | |
657 | | FixOpTag _ -> "FixOpTag" | |
658 | | BinaryOpTag _ -> "BinaryOpTag" | |
659 | | ArithOpTag _ -> "ArithOpTag" | |
660 | | LogicalOpTag _ -> "LogicalOpTag" | |
661 | | DeclarationTag _ -> "DeclarationTag" | |
662 | | InitTag _ -> "InitTag" | |
663 | | StorageTag _ -> "StorageTag" | |
664 | | IncFileTag _ -> "IncFileTag" | |
665 | | Rule_elemTag _ -> "Rule_elemTag" | |
666 | | StatementTag _ -> "StatementTag" | |
667 | | CaseLineTag _ -> "CaseLineTag" | |
668 | | ConstVolTag _ -> "ConstVolTag" | |
669 | | Token _ -> "Token" | |
670 | | Pragma _ -> "Pragma" | |
671 | | Code _ -> "Code" | |
672 | | ExprDotsTag _ -> "ExprDotsTag" | |
673 | | ParamDotsTag _ -> "ParamDotsTag" | |
674 | | StmtDotsTag _ -> "StmtDotsTag" | |
675 | | DeclDotsTag _ -> "DeclDotsTag" | |
676 | | TypeCTag _ -> "TypeCTag" | |
677 | | ParamTag _ -> "ParamTag" | |
678 | | SgrepStartTag _ -> "SgrepStartTag" | |
679 | | SgrepEndTag _ -> "SgrepEndTag" | |
680 | ||
681 | (* --------------------------------------------------------------------- *) | |
682 | ||
34e49164 C |
683 | let no_info = { line = 0; column = 0; strbef = []; straft = [] } |
684 | ||
685 | let make_term x = | |
686 | {node = x; | |
687 | node_line = 0; | |
688 | free_vars = []; | |
689 | minus_free_vars = []; | |
690 | fresh_vars = []; | |
691 | inherited = []; | |
692 | saved_witness = []; | |
693 | bef_aft = NoDots; | |
694 | pos_info = None; | |
695 | true_if_test_exp = false; | |
696 | iso_info = [] } | |
697 | ||
698 | let make_meta_rule_elem s d (fvs,fresh,inh) = | |
699 | {(make_term | |
700 | (MetaRuleElem((("",s),no_info,d,NoMetaPos),Type_cocci.Unitary,false))) | |
701 | with free_vars = fvs; fresh_vars = fresh; inherited = inh} | |
702 | ||
703 | let make_meta_decl s d (fvs,fresh,inh) = | |
704 | {(make_term | |
705 | (MetaDecl((("",s),no_info,d,NoMetaPos),Type_cocci.Unitary,false))) with | |
706 | free_vars = fvs; fresh_vars = fresh; inherited = inh} | |
707 | ||
708 | let make_mcode x = (x,no_info,CONTEXT(NoPos,NOTHING),NoMetaPos) | |
709 | ||
710 | (* --------------------------------------------------------------------- *) | |
711 | ||
712 | let equal_pos x y = x = y | |
713 | ||
714 | (* --------------------------------------------------------------------- *) | |
715 | ||
716 | let undots x = | |
717 | match unwrap x with | |
718 | DOTS e -> e | |
719 | | CIRCLES e -> e | |
720 | | STARS e -> e |