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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*) | |
b1b2de81 | 38 | fresh_vars : (meta_name * string (*seed*) option) list; (*fresh vars*) |
34e49164 C |
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 *) | |
708f4980 C |
57 | (* int list is the match instances, which are only meaningful in annotated |
58 | C code *) | |
59 | (* int is the adjacency index, which is incremented on context dots *) | |
34e49164 | 60 | and mcodekind = |
708f4980 | 61 | MINUS of pos * int list * int * anything list list |
34e49164 C |
62 | | CONTEXT of pos * anything befaft |
63 | | PLUS | |
64 | and fixpos = | |
65 | Real of int (* charpos *) | Virt of int * int (* charpos + offset *) | |
66 | and pos = NoPos | DontCarePos | FixPos of (fixpos * fixpos) | |
67 | ||
68 | and dots_bef_aft = | |
69 | NoDots | |
70 | | AddingBetweenDots of statement * int (*index of let var*) | |
71 | | DroppingBetweenDots of statement * int (*index of let var*) | |
72 | ||
73 | and inherited = Type_cocci.inherited | |
74 | and keep_binding = Type_cocci.keep_binding | |
75 | and multi = bool (*true if a nest is one or more, false if it is zero or more*) | |
76 | ||
77 | and end_info = | |
b1b2de81 C |
78 | meta_name list (*free vars*) * (meta_name * string option) list (*fresh*) * |
79 | meta_name list (*inherited vars*) * mcodekind | |
34e49164 C |
80 | |
81 | (* --------------------------------------------------------------------- *) | |
82 | (* Metavariables *) | |
83 | ||
84 | and arity = UNIQUE | OPT | MULTI | NONE | |
85 | ||
86 | and metavar = | |
87 | MetaIdDecl of arity * meta_name (* name *) | |
b1b2de81 | 88 | | MetaFreshIdDecl of meta_name (* name *) * string option (* seed *) |
34e49164 | 89 | | MetaTypeDecl of arity * meta_name (* name *) |
113803cf | 90 | | MetaInitDecl of arity * meta_name (* name *) |
34e49164 C |
91 | | MetaListlenDecl of meta_name (* name *) |
92 | | MetaParamDecl of arity * meta_name (* name *) | |
93 | | MetaParamListDecl of arity * meta_name (*name*) * meta_name option (*len*) | |
94 | | MetaConstDecl of | |
95 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
96 | | MetaErrDecl of arity * meta_name (* name *) | |
97 | | MetaExpDecl of | |
98 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
99 | | MetaIdExpDecl of | |
100 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
101 | | MetaLocalIdExpDecl of | |
102 | arity * meta_name (* name *) * Type_cocci.typeC list option | |
103 | | MetaExpListDecl of arity * meta_name (*name*) * meta_name option (*len*) | |
104 | | MetaStmDecl of arity * meta_name (* name *) | |
105 | | MetaStmListDecl of arity * meta_name (* name *) | |
106 | | MetaFuncDecl of arity * meta_name (* name *) | |
107 | | MetaLocalFuncDecl of arity * meta_name (* name *) | |
108 | | MetaPosDecl of arity * meta_name (* name *) | |
109 | | MetaDeclarerDecl of arity * meta_name (* name *) | |
110 | | MetaIteratorDecl of arity * meta_name (* name *) | |
111 | ||
112 | (* --------------------------------------------------------------------- *) | |
113 | (* --------------------------------------------------------------------- *) | |
114 | (* Dots *) | |
115 | ||
116 | and 'a base_dots = | |
117 | DOTS of 'a list | |
118 | | CIRCLES of 'a list | |
119 | | STARS of 'a list | |
120 | ||
121 | and 'a dots = 'a base_dots wrap | |
122 | ||
123 | (* --------------------------------------------------------------------- *) | |
124 | (* Identifier *) | |
125 | ||
126 | and base_ident = | |
127 | Id of string mcode | |
128 | ||
129 | | MetaId of meta_name mcode * ident list * keep_binding * inherited | |
130 | | MetaFunc of meta_name mcode * ident list * keep_binding * inherited | |
131 | | MetaLocalFunc of meta_name mcode * ident list * keep_binding * inherited | |
132 | ||
133 | | OptIdent of ident | |
134 | | UniqueIdent of ident | |
135 | ||
136 | and ident = base_ident wrap | |
137 | ||
138 | (* --------------------------------------------------------------------- *) | |
139 | (* Expression *) | |
140 | ||
faf9a90c | 141 | and base_expression = |
34e49164 C |
142 | Ident of ident |
143 | | Constant of constant mcode | |
144 | | FunCall of expression * string mcode (* ( *) * | |
145 | expression dots * string mcode (* ) *) | |
146 | | Assignment of expression * assignOp mcode * expression * | |
147 | bool (* true if it can match an initialization *) | |
148 | | CondExpr of expression * string mcode (* ? *) * expression option * | |
149 | string mcode (* : *) * expression | |
150 | | Postfix of expression * fixOp mcode | |
151 | | Infix of expression * fixOp mcode | |
152 | | Unary of expression * unaryOp mcode | |
153 | | Binary of expression * binaryOp mcode * expression | |
154 | | Nested of expression * binaryOp mcode * expression | |
155 | | ArrayAccess of expression * string mcode (* [ *) * expression * | |
156 | string mcode (* ] *) | |
157 | | RecordAccess of expression * string mcode (* . *) * ident | |
158 | | RecordPtAccess of expression * string mcode (* -> *) * ident | |
159 | | Cast of string mcode (* ( *) * fullType * string mcode (* ) *) * | |
160 | expression | |
161 | | SizeOfExpr of string mcode (* sizeof *) * expression | |
162 | | SizeOfType of string mcode (* sizeof *) * string mcode (* ( *) * | |
163 | fullType * string mcode (* ) *) | |
164 | | TypeExp of fullType (*type name used as an expression, only in | |
165 | arg or #define*) | |
166 | ||
167 | | Paren of string mcode (* ( *) * expression * | |
168 | string mcode (* ) *) | |
169 | ||
170 | | MetaErr of meta_name mcode * expression list * keep_binding * | |
171 | inherited | |
172 | | MetaExpr of meta_name mcode * expression list * keep_binding * | |
173 | Type_cocci.typeC list option * form * inherited | |
174 | | MetaExprList of meta_name mcode * listlen option * keep_binding * | |
175 | inherited (* only in arg lists *) | |
176 | ||
177 | | EComma of string mcode (* only in arg lists *) | |
178 | ||
179 | | DisjExpr of expression list | |
180 | | NestExpr of expression dots * expression option * multi | |
181 | ||
182 | (* can appear in arg lists, and also inside Nest, as in: | |
183 | if(< ... X ... Y ...>) | |
184 | In the following, the expression option is the WHEN *) | |
185 | | Edots of string mcode (* ... *) * expression option | |
186 | | Ecircles of string mcode (* ooo *) * expression option | |
187 | | Estars of string mcode (* *** *) * expression option | |
188 | ||
189 | | OptExp of expression | |
190 | | UniqueExp of expression | |
191 | ||
192 | (* ANY = int E; ID = idexpression int X; CONST = constant int X; *) | |
193 | and form = ANY | ID | LocalID | CONST (* form for MetaExp *) | |
194 | ||
195 | and expression = base_expression wrap | |
196 | ||
197 | and listlen = meta_name mcode * keep_binding * inherited | |
198 | ||
199 | and unaryOp = GetRef | DeRef | UnPlus | UnMinus | Tilde | Not | |
200 | and assignOp = SimpleAssign | OpAssign of arithOp | |
201 | and fixOp = Dec | Inc | |
202 | ||
203 | and binaryOp = Arith of arithOp | Logical of logicalOp | |
204 | and arithOp = | |
205 | Plus | Minus | Mul | Div | Mod | DecLeft | DecRight | And | Or | Xor | |
206 | and logicalOp = Inf | Sup | InfEq | SupEq | Eq | NotEq | AndLog | OrLog | |
207 | ||
208 | and constant = | |
209 | String of string | |
210 | | Char of string | |
211 | | Int of string | |
212 | | Float of string | |
213 | ||
214 | (* --------------------------------------------------------------------- *) | |
215 | (* Types *) | |
216 | ||
217 | and base_fullType = | |
218 | Type of const_vol mcode option * typeC | |
219 | | DisjType of fullType list (* only after iso *) | |
220 | | OptType of fullType | |
221 | | UniqueType of fullType | |
222 | ||
faf9a90c C |
223 | and base_typeC = |
224 | BaseType of baseType * string mcode list (* Yoann style *) | |
225 | | SignedT of sign mcode * typeC option | |
34e49164 C |
226 | | Pointer of fullType * string mcode (* * *) |
227 | | FunctionPointer of fullType * | |
228 | string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)* | |
229 | string mcode (* ( *)*parameter_list*string mcode(* ) *) | |
230 | ||
231 | (* used for the automatic managment of prototypes *) | |
232 | | FunctionType of bool (* true if all minus for dropping return type *) * | |
233 | fullType option * | |
234 | string mcode (* ( *) * parameter_list * | |
235 | string mcode (* ) *) | |
236 | ||
237 | | Array of fullType * string mcode (* [ *) * | |
238 | expression option * string mcode (* ] *) | |
faf9a90c | 239 | | EnumName of string mcode (*enum*) * ident (* name *) |
34e49164 C |
240 | | StructUnionName of structUnion mcode * ident option (* name *) |
241 | | StructUnionDef of fullType (* either StructUnionName or metavar *) * | |
242 | string mcode (* { *) * declaration dots * string mcode (* } *) | |
b1b2de81 | 243 | | TypeName of string mcode (* pad: should be 'of ident' ? *) |
34e49164 C |
244 | |
245 | | MetaType of meta_name mcode * keep_binding * inherited | |
246 | ||
247 | and fullType = base_fullType wrap | |
248 | and typeC = base_typeC wrap | |
faf9a90c | 249 | |
34e49164 | 250 | and baseType = VoidType | CharType | ShortType | IntType | DoubleType |
faf9a90c | 251 | | FloatType | LongType | LongLongType |
34e49164 C |
252 | |
253 | and structUnion = Struct | Union | |
254 | ||
255 | and sign = Signed | Unsigned | |
256 | ||
257 | and const_vol = Const | Volatile | |
258 | ||
259 | (* --------------------------------------------------------------------- *) | |
260 | (* Variable declaration *) | |
261 | (* Even if the Cocci program specifies a list of declarations, they are | |
262 | split out into multiple declarations of a single variable each. *) | |
263 | ||
264 | and base_declaration = | |
265 | Init of storage mcode option * fullType * ident * string mcode (*=*) * | |
266 | initialiser * string mcode (*;*) | |
267 | | UnInit of storage mcode option * fullType * ident * string mcode (* ; *) | |
268 | | TyDecl of fullType * string mcode (* ; *) | |
269 | | MacroDecl of ident (* name *) * string mcode (* ( *) * | |
270 | expression dots * string mcode (* ) *) * string mcode (* ; *) | |
faf9a90c | 271 | | Typedef of string mcode (*typedef*) * fullType * |
34e49164 C |
272 | typeC (* either TypeName or metavar *) * string mcode (*;*) |
273 | | DisjDecl of declaration list | |
274 | (* Ddots is for a structure declaration *) | |
275 | | Ddots of string mcode (* ... *) * declaration option (* whencode *) | |
276 | ||
277 | | MetaDecl of meta_name mcode * keep_binding * inherited | |
278 | ||
279 | | OptDecl of declaration | |
280 | | UniqueDecl of declaration | |
281 | ||
282 | and declaration = base_declaration wrap | |
283 | ||
284 | (* --------------------------------------------------------------------- *) | |
285 | (* Initializers *) | |
286 | ||
287 | and base_initialiser = | |
113803cf C |
288 | MetaInit of meta_name mcode * keep_binding * inherited |
289 | | InitExpr of expression | |
34e49164 C |
290 | | InitList of string mcode (*{*) * initialiser list * string mcode (*}*) * |
291 | initialiser list (* whencode: elements that shouldn't appear in init *) | |
113803cf C |
292 | | InitGccExt of |
293 | designator list (* name *) * string mcode (*=*) * | |
34e49164 C |
294 | initialiser (* gccext: *) |
295 | | InitGccName of ident (* name *) * string mcode (*:*) * | |
296 | initialiser | |
34e49164 C |
297 | | IComma of string mcode (* , *) |
298 | ||
299 | | OptIni of initialiser | |
300 | | UniqueIni of initialiser | |
301 | ||
113803cf C |
302 | and designator = |
303 | DesignatorField of string mcode (* . *) * ident | |
304 | | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *) | |
305 | | DesignatorRange of | |
306 | string mcode (* [ *) * expression * string mcode (* ... *) * | |
307 | expression * string mcode (* ] *) | |
308 | ||
34e49164 C |
309 | and initialiser = base_initialiser wrap |
310 | ||
311 | (* --------------------------------------------------------------------- *) | |
312 | (* Parameter *) | |
313 | ||
314 | and base_parameterTypeDef = | |
315 | VoidParam of fullType | |
316 | | Param of fullType * ident option | |
317 | ||
318 | | MetaParam of meta_name mcode * keep_binding * inherited | |
319 | | MetaParamList of meta_name mcode * listlen option * keep_binding * | |
320 | inherited | |
321 | ||
322 | | PComma of string mcode | |
323 | ||
324 | | Pdots of string mcode (* ... *) | |
325 | | Pcircles of string mcode (* ooo *) | |
326 | ||
327 | | OptParam of parameterTypeDef | |
328 | | UniqueParam of parameterTypeDef | |
329 | ||
330 | and parameterTypeDef = base_parameterTypeDef wrap | |
331 | ||
332 | and parameter_list = parameterTypeDef dots | |
333 | ||
334 | (* --------------------------------------------------------------------- *) | |
335 | (* #define Parameters *) | |
336 | ||
337 | and base_define_param = | |
338 | DParam of ident | |
339 | | DPComma of string mcode | |
340 | | DPdots of string mcode (* ... *) | |
341 | | DPcircles of string mcode (* ooo *) | |
342 | | OptDParam of define_param | |
343 | | UniqueDParam of define_param | |
344 | ||
345 | and define_param = base_define_param wrap | |
346 | ||
347 | and base_define_parameters = | |
348 | NoParams (* not parameter list, not an empty one *) | |
349 | | DParams of string mcode(*( *) * define_param dots * string mcode(* )*) | |
350 | ||
351 | and define_parameters = base_define_parameters wrap | |
352 | ||
353 | (* --------------------------------------------------------------------- *) | |
354 | (* positions *) | |
355 | ||
356 | (* PER = keep bindings separate, ALL = collect them *) | |
357 | and meta_collect = PER | ALL | |
358 | ||
359 | and meta_pos = | |
360 | MetaPos of meta_name mcode * meta_name list * | |
361 | meta_collect * keep_binding * inherited | |
362 | | NoMetaPos | |
363 | ||
364 | (* --------------------------------------------------------------------- *) | |
365 | (* Function declaration *) | |
366 | ||
367 | and storage = Static | Auto | Register | Extern | |
368 | ||
369 | (* --------------------------------------------------------------------- *) | |
370 | (* Top-level code *) | |
371 | ||
372 | and base_rule_elem = | |
373 | FunHeader of mcodekind (* before the function header *) * | |
374 | bool (* true if all minus, for dropping static, etc *) * | |
375 | fninfo list * ident (* name *) * | |
376 | string mcode (* ( *) * parameter_list * | |
377 | string mcode (* ) *) | |
378 | | Decl of mcodekind (* before the decl *) * | |
379 | bool (* true if all minus *) * declaration | |
380 | ||
381 | | SeqStart of string mcode (* { *) | |
382 | | SeqEnd of string mcode (* } *) | |
383 | ||
384 | | ExprStatement of expression * string mcode (*;*) | |
385 | | IfHeader of string mcode (* if *) * string mcode (* ( *) * | |
386 | expression * string mcode (* ) *) | |
387 | | Else of string mcode (* else *) | |
388 | | WhileHeader of string mcode (* while *) * string mcode (* ( *) * | |
389 | expression * string mcode (* ) *) | |
390 | | DoHeader of string mcode (* do *) | |
391 | | WhileTail of string mcode (* while *) * string mcode (* ( *) * | |
392 | expression * string mcode (* ) *) * | |
393 | string mcode (* ; *) | |
394 | | ForHeader of string mcode (* for *) * string mcode (* ( *) * | |
395 | expression option * string mcode (*;*) * | |
396 | expression option * string mcode (*;*) * | |
397 | expression option * string mcode (* ) *) | |
398 | | IteratorHeader of ident (* name *) * string mcode (* ( *) * | |
399 | expression dots * string mcode (* ) *) | |
400 | | SwitchHeader of string mcode (* switch *) * string mcode (* ( *) * | |
401 | expression * string mcode (* ) *) | |
402 | | Break of string mcode (* break *) * string mcode (* ; *) | |
403 | | Continue of string mcode (* continue *) * string mcode (* ; *) | |
404 | | Label of ident * string mcode (* : *) | |
405 | | Goto of string mcode (* goto *) * ident * string mcode (* ; *) | |
406 | | Return of string mcode (* return *) * string mcode (* ; *) | |
407 | | ReturnExpr of string mcode (* return *) * expression * | |
408 | string mcode (* ; *) | |
409 | ||
410 | | MetaRuleElem of meta_name mcode * keep_binding * inherited | |
411 | | MetaStmt of meta_name mcode * keep_binding * metaStmtInfo * | |
412 | inherited | |
413 | | MetaStmtList of meta_name mcode * keep_binding * inherited | |
414 | ||
415 | | Exp of expression (* matches a subterm *) | |
416 | | TopExp of expression (* for macros body, exp at top level, | |
417 | not subexp *) | |
418 | | Ty of fullType (* only at SP top level, matches a subterm *) | |
1be43e12 | 419 | | TopInit of initialiser (* only at top level *) |
34e49164 C |
420 | | Include of string mcode (*#include*) * inc_file mcode (*file *) |
421 | | DefineHeader of string mcode (* #define *) * ident (* name *) * | |
422 | define_parameters (*params*) | |
423 | | Case of string mcode (* case *) * expression * string mcode (*:*) | |
424 | | Default of string mcode (* default *) * string mcode (*:*) | |
425 | | DisjRuleElem of rule_elem list | |
426 | ||
427 | and fninfo = | |
428 | FStorage of storage mcode | |
429 | | FType of fullType | |
430 | | FInline of string mcode | |
431 | | FAttr of string mcode | |
432 | ||
433 | and metaStmtInfo = | |
434 | NotSequencible | SequencibleAfterDots of dots_whencode list | Sequencible | |
435 | ||
436 | and rule_elem = base_rule_elem wrap | |
437 | ||
438 | and base_statement = | |
708f4980 | 439 | Seq of rule_elem (* { *) * |
34e49164 C |
440 | statement dots * rule_elem (* } *) |
441 | | IfThen of rule_elem (* header *) * statement * end_info (* endif *) | |
442 | | IfThenElse of rule_elem (* header *) * statement * | |
443 | rule_elem (* else *) * statement * end_info (* endif *) | |
444 | | While of rule_elem (* header *) * statement * end_info (*endwhile*) | |
445 | | Do of rule_elem (* do *) * statement * rule_elem (* tail *) | |
446 | | For of rule_elem (* header *) * statement * end_info (*endfor*) | |
447 | | Iterator of rule_elem (* header *) * statement * end_info (*enditer*) | |
448 | | Switch of rule_elem (* header *) * rule_elem (* { *) * | |
449 | case_line list * rule_elem (* } *) | |
450 | | Atomic of rule_elem | |
451 | | Disj of statement dots list | |
452 | | Nest of statement dots * | |
453 | (statement dots,statement) whencode list * multi * | |
454 | dots_whencode list * dots_whencode list | |
455 | | FunDecl of rule_elem (* header *) * rule_elem (* { *) * | |
708f4980 | 456 | statement dots * rule_elem (* } *) |
34e49164 C |
457 | | Define of rule_elem (* header *) * statement dots |
458 | | Dots of string mcode (* ... *) * | |
459 | (statement dots,statement) whencode list * | |
460 | dots_whencode list * dots_whencode list | |
461 | | Circles of string mcode (* ooo *) * | |
462 | (statement dots,statement) whencode list * | |
463 | dots_whencode list * dots_whencode list | |
464 | | Stars of string mcode (* *** *) * | |
465 | (statement dots,statement) whencode list * | |
466 | dots_whencode list * dots_whencode list | |
467 | | OptStm of statement | |
468 | | UniqueStm of statement | |
469 | ||
470 | and ('a,'b) whencode = | |
471 | WhenNot of 'a | |
472 | | WhenAlways of 'b | |
473 | | WhenModifier of when_modifier | |
1be43e12 C |
474 | | WhenNotTrue of rule_elem (* useful for fvs *) |
475 | | WhenNotFalse of rule_elem | |
34e49164 C |
476 | |
477 | and when_modifier = | |
478 | (* The following removes the shortest path constraint. It can be used | |
479 | with other when modifiers *) | |
480 | WhenAny | |
481 | (* The following removes the special consideration of error paths. It | |
482 | can be used with other when modifiers *) | |
483 | | WhenStrict | |
484 | | WhenForall | |
485 | | WhenExists | |
486 | ||
487 | (* only used with asttoctl *) | |
488 | and dots_whencode = | |
489 | WParen of rule_elem * meta_name (*pren_var*) | |
490 | | Other of statement | |
491 | | Other_dots of statement dots | |
492 | ||
493 | and statement = base_statement wrap | |
494 | ||
495 | and base_case_line = | |
496 | CaseLine of rule_elem (* case/default header *) * statement dots | |
497 | | OptCase of case_line | |
498 | ||
499 | and case_line = base_case_line wrap | |
500 | ||
501 | and inc_file = | |
502 | Local of inc_elem list | |
503 | | NonLocal of inc_elem list | |
504 | ||
505 | and inc_elem = | |
506 | IncPath of string | |
507 | | IncDots | |
508 | ||
509 | and base_top_level = | |
510 | DECL of statement | |
511 | | CODE of statement dots | |
512 | | FILEINFO of string mcode (* old file *) * string mcode (* new file *) | |
513 | | ERRORWORDS of expression list | |
514 | ||
515 | and top_level = base_top_level wrap | |
516 | ||
517 | and rulename = | |
518 | CocciRulename of string option * dependency * | |
519 | string list * string list * exists * bool | |
faf9a90c C |
520 | | GeneratedRulename of string option * dependency * |
521 | string list * string list * exists * bool | |
34e49164 | 522 | | ScriptRulename of string * dependency |
b1b2de81 C |
523 | | InitialScriptRulename of string |
524 | | FinalScriptRulename of string | |
34e49164 | 525 | |
faf9a90c C |
526 | and ruletype = Normal | Generated |
527 | ||
34e49164 | 528 | and rule = |
faf9a90c | 529 | CocciRule of string (* name *) * |
34e49164 | 530 | (dependency * string list (* dropped isos *) * exists) * top_level list |
faf9a90c | 531 | * bool list * ruletype |
34e49164 | 532 | | ScriptRule of string * dependency * (string * meta_name) list * string |
b1b2de81 C |
533 | | InitialScriptRule of string (*language*) * string (*code*) |
534 | | FinalScriptRule of string (*language*) * string (*code*) | |
34e49164 C |
535 | |
536 | and dependency = | |
537 | Dep of string (* rule applies for the current binding *) | |
538 | | AntiDep of string (* rule doesn't apply for the current binding *) | |
539 | | EverDep of string (* rule applies for some binding *) | |
540 | | NeverDep of string (* rule never applies for any binding *) | |
541 | | AndDep of dependency * dependency | |
542 | | OrDep of dependency * dependency | |
543 | | NoDep | |
544 | ||
545 | and rule_with_metavars = metavar list * rule | |
546 | ||
547 | and anything = | |
548 | FullTypeTag of fullType | |
549 | | BaseTypeTag of baseType | |
550 | | StructUnionTag of structUnion | |
551 | | SignTag of sign | |
552 | | IdentTag of ident | |
553 | | ExpressionTag of expression | |
554 | | ConstantTag of constant | |
555 | | UnaryOpTag of unaryOp | |
556 | | AssignOpTag of assignOp | |
557 | | FixOpTag of fixOp | |
558 | | BinaryOpTag of binaryOp | |
559 | | ArithOpTag of arithOp | |
560 | | LogicalOpTag of logicalOp | |
561 | | DeclarationTag of declaration | |
562 | | InitTag of initialiser | |
563 | | StorageTag of storage | |
564 | | IncFileTag of inc_file | |
565 | | Rule_elemTag of rule_elem | |
566 | | StatementTag of statement | |
567 | | CaseLineTag of case_line | |
568 | | ConstVolTag of const_vol | |
569 | | Token of string * info option | |
0708f913 | 570 | | Pragma of string list |
34e49164 C |
571 | | Code of top_level |
572 | | ExprDotsTag of expression dots | |
573 | | ParamDotsTag of parameterTypeDef dots | |
574 | | StmtDotsTag of statement dots | |
575 | | DeclDotsTag of declaration dots | |
576 | | TypeCTag of typeC | |
577 | | ParamTag of parameterTypeDef | |
578 | | SgrepStartTag of string | |
579 | | SgrepEndTag of string | |
580 | ||
581 | (* --------------------------------------------------------------------- *) | |
582 | ||
583 | and exists = Exists | Forall | ReverseForall | Undetermined | |
584 | ||
585 | (* --------------------------------------------------------------------- *) | |
586 | ||
587 | let mkToken x = Token (x,None) | |
588 | ||
589 | (* --------------------------------------------------------------------- *) | |
590 | ||
591 | let rewrap model x = {model with node = x} | |
592 | let rewrap_mcode (_,a,b,c) x = (x,a,b,c) | |
593 | let unwrap x = x.node | |
594 | let unwrap_mcode (x,_,_,_) = x | |
595 | let get_mcodekind (_,_,x,_) = x | |
596 | let get_line x = x.node_line | |
597 | let get_mcode_line (_,l,_,_) = l.line | |
708f4980 | 598 | let get_mcode_col (_,l,_,_) = l.column |
34e49164 C |
599 | let get_fvs x = x.free_vars |
600 | let set_fvs fvs x = {x with free_vars = fvs} | |
601 | let get_mfvs x = x.minus_free_vars | |
602 | let set_mfvs mfvs x = {x with minus_free_vars = mfvs} | |
603 | let get_fresh x = x.fresh_vars | |
604 | let get_inherited x = x.inherited | |
605 | let get_saved x = x.saved_witness | |
606 | let get_dots_bef_aft x = x.bef_aft | |
607 | let set_dots_bef_aft d x = {x with bef_aft = d} | |
608 | let get_pos x = x.pos_info | |
609 | let set_pos x pos = {x with pos_info = pos} | |
610 | let get_test_exp x = x.true_if_test_exp | |
611 | let set_test_exp x = {x with true_if_test_exp = true} | |
612 | let get_isos x = x.iso_info | |
613 | let set_isos x isos = {x with iso_info = isos} | |
614 | let get_pos_var (_,_,_,p) = p | |
615 | let set_pos_var vr (a,b,c,_) = (a,b,c,vr) | |
616 | let drop_pos (a,b,c,_) = (a,b,c,NoMetaPos) | |
617 | ||
618 | let get_wcfvs (whencode : ('a wrap, 'b wrap) whencode list) = | |
619 | Common.union_all | |
620 | (List.map | |
621 | (function | |
622 | WhenNot(a) -> get_fvs a | |
623 | | WhenAlways(a) -> get_fvs a | |
1be43e12 C |
624 | | WhenModifier(_) -> [] |
625 | | WhenNotTrue(e) -> get_fvs e | |
626 | | WhenNotFalse(e) -> get_fvs e) | |
34e49164 C |
627 | whencode) |
628 | ||
629 | (* --------------------------------------------------------------------- *) | |
630 | ||
631 | let get_meta_name = function | |
632 | MetaIdDecl(ar,nm) -> nm | |
b1b2de81 | 633 | | MetaFreshIdDecl(nm,seed) -> nm |
34e49164 | 634 | | MetaTypeDecl(ar,nm) -> nm |
113803cf | 635 | | MetaInitDecl(ar,nm) -> nm |
34e49164 C |
636 | | MetaListlenDecl(nm) -> nm |
637 | | MetaParamDecl(ar,nm) -> nm | |
638 | | MetaParamListDecl(ar,nm,nm1) -> nm | |
639 | | MetaConstDecl(ar,nm,ty) -> nm | |
640 | | MetaErrDecl(ar,nm) -> nm | |
641 | | MetaExpDecl(ar,nm,ty) -> nm | |
642 | | MetaIdExpDecl(ar,nm,ty) -> nm | |
643 | | MetaLocalIdExpDecl(ar,nm,ty) -> nm | |
644 | | MetaExpListDecl(ar,nm,nm1) -> nm | |
645 | | MetaStmDecl(ar,nm) -> nm | |
646 | | MetaStmListDecl(ar,nm) -> nm | |
647 | | MetaFuncDecl(ar,nm) -> nm | |
648 | | MetaLocalFuncDecl(ar,nm) -> nm | |
649 | | MetaPosDecl(ar,nm) -> nm | |
650 | | MetaDeclarerDecl(ar,nm) -> nm | |
651 | | MetaIteratorDecl(ar,nm) -> nm | |
652 | ||
653 | (* --------------------------------------------------------------------- *) | |
654 | ||
0708f913 C |
655 | and tag2c = function |
656 | FullTypeTag _ -> "FullTypeTag" | |
657 | | BaseTypeTag _ -> "BaseTypeTag" | |
658 | | StructUnionTag _ -> "StructUnionTag" | |
659 | | SignTag _ -> "SignTag" | |
660 | | IdentTag _ -> "IdentTag" | |
661 | | ExpressionTag _ -> "ExpressionTag" | |
662 | | ConstantTag _ -> "ConstantTag" | |
663 | | UnaryOpTag _ -> "UnaryOpTag" | |
664 | | AssignOpTag _ -> "AssignOpTag" | |
665 | | FixOpTag _ -> "FixOpTag" | |
666 | | BinaryOpTag _ -> "BinaryOpTag" | |
667 | | ArithOpTag _ -> "ArithOpTag" | |
668 | | LogicalOpTag _ -> "LogicalOpTag" | |
669 | | DeclarationTag _ -> "DeclarationTag" | |
670 | | InitTag _ -> "InitTag" | |
671 | | StorageTag _ -> "StorageTag" | |
672 | | IncFileTag _ -> "IncFileTag" | |
673 | | Rule_elemTag _ -> "Rule_elemTag" | |
674 | | StatementTag _ -> "StatementTag" | |
675 | | CaseLineTag _ -> "CaseLineTag" | |
676 | | ConstVolTag _ -> "ConstVolTag" | |
677 | | Token _ -> "Token" | |
678 | | Pragma _ -> "Pragma" | |
679 | | Code _ -> "Code" | |
680 | | ExprDotsTag _ -> "ExprDotsTag" | |
681 | | ParamDotsTag _ -> "ParamDotsTag" | |
682 | | StmtDotsTag _ -> "StmtDotsTag" | |
683 | | DeclDotsTag _ -> "DeclDotsTag" | |
684 | | TypeCTag _ -> "TypeCTag" | |
685 | | ParamTag _ -> "ParamTag" | |
686 | | SgrepStartTag _ -> "SgrepStartTag" | |
687 | | SgrepEndTag _ -> "SgrepEndTag" | |
688 | ||
689 | (* --------------------------------------------------------------------- *) | |
690 | ||
708f4980 | 691 | let no_info = { line = 0; column = -1; strbef = []; straft = [] } |
34e49164 C |
692 | |
693 | let make_term x = | |
694 | {node = x; | |
695 | node_line = 0; | |
696 | free_vars = []; | |
697 | minus_free_vars = []; | |
698 | fresh_vars = []; | |
699 | inherited = []; | |
700 | saved_witness = []; | |
701 | bef_aft = NoDots; | |
702 | pos_info = None; | |
703 | true_if_test_exp = false; | |
704 | iso_info = [] } | |
705 | ||
706 | let make_meta_rule_elem s d (fvs,fresh,inh) = | |
707 | {(make_term | |
708 | (MetaRuleElem((("",s),no_info,d,NoMetaPos),Type_cocci.Unitary,false))) | |
709 | with free_vars = fvs; fresh_vars = fresh; inherited = inh} | |
710 | ||
711 | let make_meta_decl s d (fvs,fresh,inh) = | |
712 | {(make_term | |
713 | (MetaDecl((("",s),no_info,d,NoMetaPos),Type_cocci.Unitary,false))) with | |
714 | free_vars = fvs; fresh_vars = fresh; inherited = inh} | |
715 | ||
716 | let make_mcode x = (x,no_info,CONTEXT(NoPos,NOTHING),NoMetaPos) | |
717 | ||
718 | (* --------------------------------------------------------------------- *) | |
719 | ||
720 | let equal_pos x y = x = y | |
721 | ||
722 | (* --------------------------------------------------------------------- *) | |
723 | ||
724 | let undots x = | |
725 | match unwrap x with | |
726 | DOTS e -> e | |
727 | | CIRCLES e -> e | |
728 | | STARS e -> e |