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9f8e26f4 | 1 | (* |
ae4735db | 2 | * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen |
9f8e26f4 C |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix |
4 | * This file is part of Coccinelle. | |
5 | * | |
6 | * Coccinelle is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, according to version 2 of the License. | |
9 | * | |
10 | * Coccinelle is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The authors reserve the right to distribute this or future versions of | |
19 | * Coccinelle under other licenses. | |
20 | *) | |
21 | ||
22 | ||
34e49164 C |
23 | module Ast = Ast_cocci |
24 | ||
25 | (* --------------------------------------------------------------------- *) | |
26 | (* Modified code *) | |
27 | ||
28 | type arity = OPT | UNIQUE | NONE | |
29 | ||
30 | type token_info = | |
31 | { tline_start : int; tline_end : int; | |
32 | left_offset : int; right_offset : int } | |
33 | let default_token_info = | |
34 | { tline_start = -1; tline_end = -1; left_offset = -1; right_offset = -1 } | |
35 | ||
36 | (* MIXED is like CONTEXT, since sometimes MIXED things have to revert to | |
37 | CONTEXT - see insert_plus.ml *) | |
951c7801 C |
38 | type count = ONE (* + *) | MANY (* ++ *) |
39 | ||
34e49164 C |
40 | type mcodekind = |
41 | MINUS of (Ast.anything list list * token_info) ref | |
951c7801 | 42 | | PLUS of Ast.count |
34e49164 C |
43 | | CONTEXT of (Ast.anything Ast.befaft * token_info * token_info) ref |
44 | | MIXED of (Ast.anything Ast.befaft * token_info * token_info) ref | |
45 | ||
0708f913 C |
46 | type position_info = { line_start : int; line_end : int; |
47 | logical_start : int; logical_end : int; | |
48 | column : int; offset : int; } | |
49 | ||
50 | type info = { pos_info : position_info; | |
34e49164 C |
51 | attachable_start : bool; attachable_end : bool; |
52 | mcode_start : mcodekind list; mcode_end : mcodekind list; | |
34e49164 | 53 | (* the following are only for + code *) |
c3e37e97 C |
54 | strings_before : (Ast.added_string * position_info) list; |
55 | strings_after : (Ast.added_string * position_info) list } | |
34e49164 | 56 | |
708f4980 C |
57 | (* adjacency index is incremented when we skip over dots or nest delimiters |
58 | it is used in deciding how much to remove, when two adjacent code tokens are | |
59 | removed. *) | |
60 | type 'a mcode = | |
61 | 'a * arity * info * mcodekind * meta_pos ref (* pos, - only *) * | |
62 | int (* adjacency_index *) | |
34e49164 C |
63 | (* int ref is an index *) |
64 | and 'a wrap = | |
65 | { node : 'a; | |
66 | info : info; | |
67 | index : int ref; | |
68 | mcodekind : mcodekind ref; | |
69 | exp_ty : Type_cocci.typeC option ref; (* only for expressions *) | |
70 | bef_aft : dots_bef_aft; (* only for statements *) | |
71 | true_if_arg : bool; (* true if "arg_exp", only for exprs *) | |
72 | true_if_test : bool; (* true if "test position", only for exprs *) | |
73 | true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *) | |
74 | (*nonempty if this represents the use of an iso*) | |
75 | iso_info : (string*anything) list } | |
76 | ||
77 | and dots_bef_aft = | |
78 | NoDots | AddingBetweenDots of statement | DroppingBetweenDots of statement | |
79 | ||
80 | (* for iso metavariables, true if they can only match nonmodified terms with | |
81 | all metavariables unitary | |
82 | for SP metavariables, true if the metavariable is unitary (valid up to | |
83 | isomorphism phase only) | |
84 | In SP, the only options are impure and context | |
85 | *) | |
86 | and pure = Impure | Pure | Context | PureContext (* pure and only context *) | |
87 | ||
88 | (* --------------------------------------------------------------------- *) | |
89 | (* --------------------------------------------------------------------- *) | |
90 | (* Dots *) | |
91 | ||
92 | and 'a base_dots = | |
93 | DOTS of 'a list | |
94 | | CIRCLES of 'a list | |
95 | | STARS of 'a list | |
96 | ||
97 | and 'a dots = 'a base_dots wrap | |
98 | ||
99 | (* --------------------------------------------------------------------- *) | |
100 | (* Identifier *) | |
101 | ||
102 | and base_ident = | |
951c7801 C |
103 | Id of string mcode |
104 | | MetaId of Ast.meta_name mcode * Ast.idconstraint * pure | |
105 | | MetaFunc of Ast.meta_name mcode * Ast.idconstraint * pure | |
106 | | MetaLocalFunc of Ast.meta_name mcode * Ast.idconstraint * pure | |
34e49164 C |
107 | | OptIdent of ident |
108 | | UniqueIdent of ident | |
109 | ||
110 | and ident = base_ident wrap | |
111 | ||
112 | (* --------------------------------------------------------------------- *) | |
113 | (* Expression *) | |
114 | ||
faf9a90c | 115 | and base_expression = |
34e49164 C |
116 | Ident of ident |
117 | | Constant of Ast.constant mcode | |
118 | | FunCall of expression * string mcode (* ( *) * | |
119 | expression dots * string mcode (* ) *) | |
120 | | Assignment of expression * Ast.assignOp mcode * expression * | |
121 | bool (* true if it can match an initialization *) | |
122 | | CondExpr of expression * string mcode (* ? *) * expression option * | |
123 | string mcode (* : *) * expression | |
124 | | Postfix of expression * Ast.fixOp mcode | |
125 | | Infix of expression * Ast.fixOp mcode | |
126 | | Unary of expression * Ast.unaryOp mcode | |
127 | | Binary of expression * Ast.binaryOp mcode * expression | |
128 | | Nested of expression * Ast.binaryOp mcode * expression | |
129 | | Paren of string mcode (* ( *) * expression * | |
130 | string mcode (* ) *) | |
131 | | ArrayAccess of expression * string mcode (* [ *) * expression * | |
132 | string mcode (* ] *) | |
133 | | RecordAccess of expression * string mcode (* . *) * ident | |
134 | | RecordPtAccess of expression * string mcode (* -> *) * ident | |
135 | | Cast of string mcode (* ( *) * typeC * string mcode (* ) *) * | |
136 | expression | |
137 | | SizeOfExpr of string mcode (* sizeof *) * expression | |
138 | | SizeOfType of string mcode (* sizeof *) * string mcode (* ( *) * | |
139 | typeC * string mcode (* ) *) | |
140 | | TypeExp of typeC (* type name used as an expression, only in args *) | |
951c7801 C |
141 | | MetaErr of Ast.meta_name mcode * constraints * pure |
142 | | MetaExpr of Ast.meta_name mcode * constraints * | |
34e49164 C |
143 | Type_cocci.typeC list option * Ast.form * pure |
144 | | MetaExprList of Ast.meta_name mcode (* only in arg lists *) * | |
145 | listlen * pure | |
146 | | EComma of string mcode (* only in arg lists *) | |
147 | | DisjExpr of string mcode * expression list * | |
148 | string mcode list (* the |s *) * string mcode | |
149 | | NestExpr of string mcode * expression dots * string mcode * | |
150 | expression option * Ast.multi | |
151 | | Edots of string mcode (* ... *) * expression option | |
152 | | Ecircles of string mcode (* ooo *) * expression option | |
153 | | Estars of string mcode (* *** *) * expression option | |
154 | | OptExp of expression | |
155 | | UniqueExp of expression | |
156 | ||
157 | and expression = base_expression wrap | |
158 | ||
951c7801 C |
159 | and constraints = |
160 | NoConstraint | |
161 | | NotIdCstrt of Ast.idconstraint | |
162 | | NotExpCstrt of expression list | |
163 | ||
34e49164 C |
164 | and listlen = Ast.meta_name mcode option |
165 | ||
166 | (* --------------------------------------------------------------------- *) | |
167 | (* Types *) | |
168 | ||
faf9a90c | 169 | and base_typeC = |
34e49164 | 170 | ConstVol of Ast.const_vol mcode * typeC |
faf9a90c C |
171 | | BaseType of Ast.baseType * string mcode list |
172 | | Signed of Ast.sign mcode * typeC option | |
34e49164 C |
173 | | Pointer of typeC * string mcode (* * *) |
174 | | FunctionPointer of typeC * | |
175 | string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)* | |
176 | string mcode (* ( *)*parameter_list*string mcode(* ) *) | |
177 | | FunctionType of typeC option * | |
178 | string mcode (* ( *) * parameter_list * | |
179 | string mcode (* ) *) | |
180 | | Array of typeC * string mcode (* [ *) * | |
181 | expression option * string mcode (* ] *) | |
faf9a90c | 182 | | EnumName of string mcode (*enum*) * ident (* name *) |
34e49164 C |
183 | | StructUnionName of Ast.structUnion mcode * ident option (* name *) |
184 | | StructUnionDef of typeC (* either StructUnionName or metavar *) * | |
185 | string mcode (* { *) * declaration dots * string mcode (* } *) | |
186 | | TypeName of string mcode | |
187 | | MetaType of Ast.meta_name mcode * pure | |
188 | | DisjType of string mcode * typeC list * (* only after iso *) | |
189 | string mcode list (* the |s *) * string mcode | |
190 | | OptType of typeC | |
191 | | UniqueType of typeC | |
192 | ||
193 | and typeC = base_typeC wrap | |
194 | ||
195 | (* --------------------------------------------------------------------- *) | |
196 | (* Variable declaration *) | |
197 | (* Even if the Cocci program specifies a list of declarations, they are | |
198 | split out into multiple declarations of a single variable each. *) | |
199 | ||
200 | and base_declaration = | |
201 | Init of Ast.storage mcode option * typeC * ident * string mcode (*=*) * | |
202 | initialiser * string mcode (*;*) | |
203 | | UnInit of Ast.storage mcode option * typeC * ident * string mcode (* ; *) | |
204 | | TyDecl of typeC * string mcode (* ; *) | |
205 | | MacroDecl of ident (* name *) * string mcode (* ( *) * | |
206 | expression dots * string mcode (* ) *) * string mcode (* ; *) | |
207 | | Typedef of string mcode (* typedef *) * typeC * typeC * string mcode (*;*) | |
208 | | DisjDecl of string mcode * declaration list * | |
209 | string mcode list (* the |s *) * string mcode | |
210 | (* Ddots is for a structure declaration *) | |
211 | | Ddots of string mcode (* ... *) * declaration option (* whencode *) | |
212 | | OptDecl of declaration | |
213 | | UniqueDecl of declaration | |
214 | ||
215 | and declaration = base_declaration wrap | |
216 | ||
217 | (* --------------------------------------------------------------------- *) | |
218 | (* Initializers *) | |
219 | ||
220 | and base_initialiser = | |
113803cf C |
221 | MetaInit of Ast.meta_name mcode * pure |
222 | | InitExpr of expression | |
34e49164 | 223 | | InitList of string mcode (*{*) * initialiser_list * string mcode (*}*) |
113803cf C |
224 | | InitGccExt of |
225 | designator list (* name *) * string mcode (*=*) * | |
34e49164 C |
226 | initialiser (* gccext: *) |
227 | | InitGccName of ident (* name *) * string mcode (*:*) * | |
228 | initialiser | |
34e49164 C |
229 | | IComma of string mcode (* , *) |
230 | | Idots of string mcode (* ... *) * initialiser option (* whencode *) | |
231 | | OptIni of initialiser | |
232 | | UniqueIni of initialiser | |
233 | ||
113803cf C |
234 | and designator = |
235 | DesignatorField of string mcode (* . *) * ident | |
236 | | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *) | |
237 | | DesignatorRange of | |
238 | string mcode (* [ *) * expression * string mcode (* ... *) * | |
239 | expression * string mcode (* ] *) | |
240 | ||
34e49164 C |
241 | and initialiser = base_initialiser wrap |
242 | ||
243 | and initialiser_list = initialiser dots | |
244 | ||
245 | (* --------------------------------------------------------------------- *) | |
246 | (* Parameter *) | |
247 | ||
248 | and base_parameterTypeDef = | |
249 | VoidParam of typeC | |
250 | | Param of typeC * ident option | |
251 | | MetaParam of Ast.meta_name mcode * pure | |
252 | | MetaParamList of Ast.meta_name mcode * listlen * pure | |
253 | | PComma of string mcode | |
254 | | Pdots of string mcode (* ... *) | |
255 | | Pcircles of string mcode (* ooo *) | |
256 | | OptParam of parameterTypeDef | |
257 | | UniqueParam of parameterTypeDef | |
258 | ||
259 | and parameterTypeDef = base_parameterTypeDef wrap | |
260 | ||
261 | and parameter_list = parameterTypeDef dots | |
262 | ||
263 | (* --------------------------------------------------------------------- *) | |
264 | (* #define Parameters *) | |
265 | ||
266 | and base_define_param = | |
267 | DParam of ident | |
268 | | DPComma of string mcode | |
269 | | DPdots of string mcode (* ... *) | |
270 | | DPcircles of string mcode (* ooo *) | |
271 | | OptDParam of define_param | |
272 | | UniqueDParam of define_param | |
273 | ||
274 | and define_param = base_define_param wrap | |
275 | ||
276 | and base_define_parameters = | |
277 | NoParams | |
278 | | DParams of string mcode(*( *) * define_param dots * string mcode(* )*) | |
279 | ||
280 | and define_parameters = base_define_parameters wrap | |
281 | ||
282 | (* --------------------------------------------------------------------- *) | |
283 | (* Statement*) | |
284 | ||
285 | and base_statement = | |
286 | Decl of (info * mcodekind) (* before the decl *) * declaration | |
287 | | Seq of string mcode (* { *) * statement dots * | |
288 | string mcode (* } *) | |
289 | | ExprStatement of expression * string mcode (*;*) | |
290 | | IfThen of string mcode (* if *) * string mcode (* ( *) * | |
291 | expression * string mcode (* ) *) * | |
292 | statement * (info * mcodekind) (* after info *) | |
293 | | IfThenElse of string mcode (* if *) * string mcode (* ( *) * | |
294 | expression * string mcode (* ) *) * | |
295 | statement * string mcode (* else *) * statement * | |
296 | (info * mcodekind) | |
297 | | While of string mcode (* while *) * string mcode (* ( *) * | |
298 | expression * string mcode (* ) *) * | |
299 | statement * (info * mcodekind) (* after info *) | |
300 | | Do of string mcode (* do *) * statement * | |
301 | string mcode (* while *) * string mcode (* ( *) * | |
302 | expression * string mcode (* ) *) * | |
303 | string mcode (* ; *) | |
304 | | For of string mcode (* for *) * string mcode (* ( *) * | |
305 | expression option * string mcode (*;*) * | |
306 | expression option * string mcode (*;*) * | |
307 | expression option * string mcode (* ) *) * statement * | |
308 | (info * mcodekind) (* after info *) | |
309 | | Iterator of ident (* name *) * string mcode (* ( *) * | |
310 | expression dots * string mcode (* ) *) * | |
311 | statement * (info * mcodekind) (* after info *) | |
312 | | Switch of string mcode (* switch *) * string mcode (* ( *) * | |
313 | expression * string mcode (* ) *) * string mcode (* { *) * | |
fc1ad971 | 314 | statement (*decl*) dots * |
34e49164 C |
315 | case_line dots * string mcode (* } *) |
316 | | Break of string mcode (* break *) * string mcode (* ; *) | |
317 | | Continue of string mcode (* continue *) * string mcode (* ; *) | |
318 | | Label of ident * string mcode (* : *) | |
319 | | Goto of string mcode (* goto *) * ident * string mcode (* ; *) | |
320 | | Return of string mcode (* return *) * string mcode (* ; *) | |
321 | | ReturnExpr of string mcode (* return *) * expression * | |
322 | string mcode (* ; *) | |
323 | | MetaStmt of Ast.meta_name mcode * pure | |
324 | | MetaStmtList of Ast.meta_name mcode(*only in statement lists*) * pure | |
325 | | Exp of expression (* only in dotted statement lists *) | |
326 | | TopExp of expression (* for macros body *) | |
327 | | Ty of typeC (* only at top level *) | |
1be43e12 | 328 | | TopInit of initialiser (* only at top level *) |
34e49164 C |
329 | | Disj of string mcode * statement dots list * |
330 | string mcode list (* the |s *) * string mcode | |
331 | | Nest of string mcode * statement dots * string mcode * | |
332 | (statement dots,statement) whencode list * Ast.multi | |
333 | | Dots of string mcode (* ... *) * | |
334 | (statement dots,statement) whencode list | |
335 | | Circles of string mcode (* ooo *) * | |
336 | (statement dots,statement) whencode list | |
337 | | Stars of string mcode (* *** *) * | |
338 | (statement dots,statement) whencode list | |
339 | | FunDecl of (info * mcodekind) (* before the function decl *) * | |
340 | fninfo list * ident (* name *) * | |
341 | string mcode (* ( *) * parameter_list * string mcode (* ) *) * | |
342 | string mcode (* { *) * statement dots * | |
343 | string mcode (* } *) | |
344 | | Include of string mcode (* #include *) * Ast.inc_file mcode (* file *) | |
345 | | Define of string mcode (* #define *) * ident (* name *) * | |
346 | define_parameters (*params*) * statement dots | |
347 | | OptStm of statement | |
348 | | UniqueStm of statement | |
349 | ||
350 | and fninfo = | |
351 | FStorage of Ast.storage mcode | |
352 | | FType of typeC | |
353 | | FInline of string mcode | |
354 | | FAttr of string mcode | |
355 | ||
356 | and ('a,'b) whencode = | |
357 | WhenNot of 'a | |
358 | | WhenAlways of 'b | |
359 | | WhenModifier of Ast.when_modifier | |
1be43e12 C |
360 | | WhenNotTrue of expression |
361 | | WhenNotFalse of expression | |
34e49164 C |
362 | |
363 | and statement = base_statement wrap | |
364 | ||
365 | and base_case_line = | |
366 | Default of string mcode (* default *) * string mcode (*:*) * statement dots | |
367 | | Case of string mcode (* case *) * expression * string mcode (*:*) * | |
368 | statement dots | |
fc1ad971 C |
369 | | DisjCase of string mcode * case_line list * |
370 | string mcode list (* the |s *) * string mcode | |
34e49164 C |
371 | | OptCase of case_line |
372 | ||
373 | and case_line = base_case_line wrap | |
374 | ||
375 | (* --------------------------------------------------------------------- *) | |
376 | (* Positions *) | |
377 | ||
378 | and meta_pos = | |
379 | MetaPos of Ast.meta_name mcode * Ast.meta_name list * Ast.meta_collect | |
380 | | NoMetaPos | |
381 | ||
382 | (* --------------------------------------------------------------------- *) | |
383 | (* Top-level code *) | |
384 | ||
385 | and base_top_level = | |
386 | DECL of statement | |
387 | | CODE of statement dots | |
388 | | FILEINFO of string mcode (* old file *) * string mcode (* new file *) | |
389 | | ERRORWORDS of expression list | |
390 | | OTHER of statement (* temporary, disappears after top_level.ml *) | |
391 | ||
392 | and top_level = base_top_level wrap | |
393 | and rule = top_level list | |
394 | ||
395 | and parsed_rule = | |
396 | CocciRule of | |
397 | (rule * Ast.metavar list * | |
398 | (string list * string list * Ast.dependency * string * Ast.exists)) * | |
faf9a90c | 399 | (rule * Ast.metavar list) * Ast.ruletype |
34e49164 C |
400 | | ScriptRule of |
401 | string * Ast.dependency * (string * Ast.meta_name) list * string | |
c3e37e97 C |
402 | | InitialScriptRule of string * Ast.dependency * string |
403 | | FinalScriptRule of string * Ast.dependency * string | |
34e49164 C |
404 | |
405 | (* --------------------------------------------------------------------- *) | |
406 | ||
407 | and anything = | |
408 | DotsExprTag of expression dots | |
409 | | DotsInitTag of initialiser dots | |
410 | | DotsParamTag of parameterTypeDef dots | |
411 | | DotsStmtTag of statement dots | |
412 | | DotsDeclTag of declaration dots | |
413 | | DotsCaseTag of case_line dots | |
414 | | IdentTag of ident | |
415 | | ExprTag of expression | |
416 | | ArgExprTag of expression (* for isos *) | |
417 | | TestExprTag of expression (* for isos *) | |
418 | | TypeCTag of typeC | |
419 | | ParamTag of parameterTypeDef | |
420 | | InitTag of initialiser | |
421 | | DeclTag of declaration | |
422 | | StmtTag of statement | |
423 | | CaseLineTag of case_line | |
424 | | TopTag of top_level | |
425 | | IsoWhenTag of Ast.when_modifier | |
1be43e12 C |
426 | | IsoWhenTTag of expression |
427 | | IsoWhenFTag of expression | |
34e49164 C |
428 | | MetaPosTag of meta_pos |
429 | ||
430 | let dotsExpr x = DotsExprTag x | |
431 | let dotsParam x = DotsParamTag x | |
432 | let dotsInit x = DotsInitTag x | |
433 | let dotsStmt x = DotsStmtTag x | |
434 | let dotsDecl x = DotsDeclTag x | |
435 | let dotsCase x = DotsCaseTag x | |
436 | let ident x = IdentTag x | |
437 | let expr x = ExprTag x | |
438 | let typeC x = TypeCTag x | |
439 | let param x = ParamTag x | |
440 | let ini x = InitTag x | |
441 | let decl x = DeclTag x | |
442 | let stmt x = StmtTag x | |
443 | let case_line x = CaseLineTag x | |
444 | let top x = TopTag x | |
445 | ||
446 | (* --------------------------------------------------------------------- *) | |
447 | (* Avoid cluttering the parser. Calculated in compute_lines.ml. *) | |
448 | ||
0708f913 | 449 | let pos_info = |
34e49164 C |
450 | { line_start = -1; line_end = -1; |
451 | logical_start = -1; logical_end = -1; | |
0708f913 C |
452 | column = -1; offset = -1; } |
453 | ||
454 | let default_info _ = (* why is this a function? *) | |
455 | { pos_info = pos_info; | |
34e49164 C |
456 | attachable_start = true; attachable_end = true; |
457 | mcode_start = []; mcode_end = []; | |
0708f913 | 458 | strings_before = []; strings_after = [] } |
34e49164 C |
459 | |
460 | let default_befaft _ = | |
461 | MIXED(ref (Ast.NOTHING,default_token_info,default_token_info)) | |
462 | let context_befaft _ = | |
463 | CONTEXT(ref (Ast.NOTHING,default_token_info,default_token_info)) | |
464 | ||
465 | let wrap x = | |
466 | { node = x; | |
467 | info = default_info(); | |
468 | index = ref (-1); | |
469 | mcodekind = ref (default_befaft()); | |
470 | exp_ty = ref None; | |
471 | bef_aft = NoDots; | |
472 | true_if_arg = false; | |
473 | true_if_test = false; | |
474 | true_if_test_exp = false; | |
475 | iso_info = [] } | |
476 | let context_wrap x = | |
477 | { node = x; | |
478 | info = default_info(); | |
479 | index = ref (-1); | |
480 | mcodekind = ref (context_befaft()); | |
481 | exp_ty = ref None; | |
482 | bef_aft = NoDots; | |
483 | true_if_arg = false; | |
484 | true_if_test = false; | |
485 | true_if_test_exp = false; | |
486 | iso_info = [] } | |
487 | let unwrap x = x.node | |
708f4980 | 488 | let unwrap_mcode (x,_,_,_,_,_) = x |
34e49164 | 489 | let rewrap model x = { model with node = x } |
708f4980 C |
490 | let rewrap_mcode (_,arity,info,mcodekind,pos,adj) x = |
491 | (x,arity,info,mcodekind,pos,adj) | |
34e49164 C |
492 | let copywrap model x = |
493 | { model with node = x; index = ref !(model.index); | |
494 | mcodekind = ref !(model.mcodekind); exp_ty = ref !(model.exp_ty)} | |
708f4980 C |
495 | let get_pos (_,_,_,_,x,_) = !x |
496 | let get_pos_ref (_,_,_,_,x,_) = x | |
497 | let set_pos pos (m,arity,info,mcodekind,_,adj) = | |
498 | (m,arity,info,mcodekind,ref pos,adj) | |
34e49164 C |
499 | let get_info x = x.info |
500 | let set_info x info = {x with info = info} | |
0708f913 C |
501 | let get_line x = x.info.pos_info.line_start |
502 | let get_line_end x = x.info.pos_info.line_end | |
34e49164 C |
503 | let get_index x = !(x.index) |
504 | let set_index x i = x.index := i | |
505 | let get_mcodekind x = !(x.mcodekind) | |
708f4980 | 506 | let get_mcode_mcodekind (_,_,_,mcodekind,_,_) = mcodekind |
34e49164 C |
507 | let get_mcodekind_ref x = x.mcodekind |
508 | let set_mcodekind x mk = x.mcodekind := mk | |
509 | let set_type x t = x.exp_ty := t | |
510 | let get_type x = !(x.exp_ty) | |
511 | let get_dots_bef_aft x = x.bef_aft | |
512 | let set_dots_bef_aft x dots_bef_aft = {x with bef_aft = dots_bef_aft} | |
513 | let get_arg_exp x = x.true_if_arg | |
514 | let set_arg_exp x = {x with true_if_arg = true} | |
515 | let get_test_pos x = x.true_if_test | |
516 | let set_test_pos x = {x with true_if_test = true} | |
517 | let get_test_exp x = x.true_if_test_exp | |
518 | let set_test_exp x = {x with true_if_test_exp = true} | |
519 | let get_iso x = x.iso_info | |
520 | let set_iso x i = if !Flag.track_iso_usage then {x with iso_info = i} else x | |
708f4980 | 521 | let set_mcode_data data (_,ar,info,mc,pos,adj) = (data,ar,info,mc,pos,adj) |
34e49164 C |
522 | |
523 | (* --------------------------------------------------------------------- *) | |
524 | ||
525 | (* unique indices, for mcode and tree nodes *) | |
526 | let index_counter = ref 0 | |
527 | let fresh_index _ = let cur = !index_counter in index_counter := cur + 1; cur | |
528 | ||
529 | (* --------------------------------------------------------------------- *) | |
530 | ||
531 | let undots d = | |
532 | match unwrap d with | |
533 | | DOTS e -> e | |
534 | | CIRCLES e -> e | |
535 | | STARS e -> e | |
536 | ||
537 | (* --------------------------------------------------------------------- *) | |
538 | ||
539 | let rec ast0_type_to_type ty = | |
540 | match unwrap ty with | |
541 | ConstVol(cv,ty) -> Type_cocci.ConstVol(const_vol cv,ast0_type_to_type ty) | |
faf9a90c C |
542 | | BaseType(bty,strings) -> |
543 | Type_cocci.BaseType(baseType bty) | |
544 | | Signed(sgn,None) -> | |
545 | Type_cocci.SignedT(sign sgn,None) | |
546 | | Signed(sgn,Some ty) -> | |
547 | let bty = ast0_type_to_type ty in | |
548 | Type_cocci.SignedT(sign sgn,Some bty) | |
34e49164 C |
549 | | Pointer(ty,_) -> Type_cocci.Pointer(ast0_type_to_type ty) |
550 | | FunctionPointer(ty,_,_,_,_,params,_) -> | |
551 | Type_cocci.FunctionPointer(ast0_type_to_type ty) | |
552 | | FunctionType _ -> failwith "not supported" | |
553 | | Array(ety,_,_,_) -> Type_cocci.Array(ast0_type_to_type ety) | |
faf9a90c C |
554 | | EnumName(su,tag) -> |
555 | (match unwrap tag with | |
556 | Id(tag) -> | |
557 | Type_cocci.EnumName(false,unwrap_mcode tag) | |
558 | | MetaId(tag,_,_) -> | |
559 | (Printf.printf | |
560 | "warning: enum with a metavariable name detected.\n"; | |
561 | Printf.printf | |
562 | "For type checking assuming the name of the metavariable is the name of the type\n"; | |
563 | let (rule,tag) = unwrap_mcode tag in | |
564 | Type_cocci.EnumName(true,rule^tag)) | |
565 | | _ -> failwith "unexpected enum type name") | |
34e49164 C |
566 | | StructUnionName(su,Some tag) -> |
567 | (match unwrap tag with | |
568 | Id(tag) -> | |
569 | Type_cocci.StructUnionName(structUnion su,false,unwrap_mcode tag) | |
570 | | MetaId(tag,_,_) -> | |
978fd7e5 | 571 | (Common.pr2 |
34e49164 | 572 | "warning: struct/union with a metavariable name detected.\n"; |
978fd7e5 | 573 | Common.pr2 |
34e49164 C |
574 | "For type checking assuming the name of the metavariable is the name of the type\n"; |
575 | let (rule,tag) = unwrap_mcode tag in | |
576 | Type_cocci.StructUnionName(structUnion su,true,rule^tag)) | |
577 | | _ -> failwith "unexpected struct/union type name") | |
578 | | StructUnionName(su,None) -> failwith "nameless structure - what to do???" | |
579 | | StructUnionDef(ty,_,_,_) -> ast0_type_to_type ty | |
580 | | TypeName(name) -> Type_cocci.TypeName(unwrap_mcode name) | |
581 | | MetaType(name,_) -> | |
582 | Type_cocci.MetaType(unwrap_mcode name,Type_cocci.Unitary,false) | |
978fd7e5 C |
583 | | DisjType(_,types,_,_) -> |
584 | Common.pr2_once | |
585 | "disjtype not supported in smpl type inference, assuming unknown"; | |
586 | Type_cocci.Unknown | |
34e49164 C |
587 | | OptType(ty) | UniqueType(ty) -> |
588 | ast0_type_to_type ty | |
589 | ||
faf9a90c | 590 | and baseType = function |
34e49164 C |
591 | Ast.VoidType -> Type_cocci.VoidType |
592 | | Ast.CharType -> Type_cocci.CharType | |
593 | | Ast.ShortType -> Type_cocci.ShortType | |
594 | | Ast.IntType -> Type_cocci.IntType | |
595 | | Ast.DoubleType -> Type_cocci.DoubleType | |
596 | | Ast.FloatType -> Type_cocci.FloatType | |
597 | | Ast.LongType -> Type_cocci.LongType | |
faf9a90c | 598 | | Ast.LongLongType -> Type_cocci.LongLongType |
34e49164 C |
599 | |
600 | and structUnion t = | |
601 | match unwrap_mcode t with | |
602 | Ast.Struct -> Type_cocci.Struct | |
603 | | Ast.Union -> Type_cocci.Union | |
604 | ||
605 | and sign t = | |
606 | match unwrap_mcode t with | |
607 | Ast.Signed -> Type_cocci.Signed | |
608 | | Ast.Unsigned -> Type_cocci.Unsigned | |
609 | ||
610 | and const_vol t = | |
611 | match unwrap_mcode t with | |
612 | Ast.Const -> Type_cocci.Const | |
613 | | Ast.Volatile -> Type_cocci.Volatile | |
614 | ||
615 | (* --------------------------------------------------------------------- *) | |
616 | (* this function is a rather minimal attempt. the problem is that information | |
617 | has been lost. but since it is only used for metavariable types in the isos, | |
618 | perhaps it doesn't matter *) | |
708f4980 C |
619 | and make_mcode x = (x,NONE,default_info(),context_befaft(),ref NoMetaPos,-1) |
620 | let make_mcode_info x info = (x,NONE,info,context_befaft(),ref NoMetaPos,-1) | |
34e49164 C |
621 | |
622 | exception TyConv | |
623 | ||
624 | let rec reverse_type ty = | |
625 | match ty with | |
626 | Type_cocci.ConstVol(cv,ty) -> | |
485bce71 | 627 | ConstVol(reverse_const_vol cv,context_wrap(reverse_type ty)) |
faf9a90c C |
628 | | Type_cocci.BaseType(bty) -> |
629 | BaseType(reverse_baseType bty,[(* not used *)]) | |
630 | | Type_cocci.SignedT(sgn,None) -> Signed(reverse_sign sgn,None) | |
631 | | Type_cocci.SignedT(sgn,Some bty) -> | |
632 | Signed(reverse_sign sgn,Some (context_wrap(reverse_type ty))) | |
34e49164 | 633 | | Type_cocci.Pointer(ty) -> |
485bce71 | 634 | Pointer(context_wrap(reverse_type ty),make_mcode "*") |
faf9a90c C |
635 | | Type_cocci.EnumName(mv,tag) -> |
636 | if mv | |
637 | then | |
638 | (* not right... *) | |
ae4735db | 639 | let rule = "" in |
faf9a90c C |
640 | EnumName |
641 | (make_mcode "enum", | |
ae4735db C |
642 | context_wrap(MetaId(make_mcode (rule,tag),Ast.IdNoConstraint, |
643 | Impure))) | |
faf9a90c C |
644 | else |
645 | EnumName(make_mcode "enum",context_wrap(Id(make_mcode tag))) | |
34e49164 C |
646 | | Type_cocci.StructUnionName(su,mv,tag) -> |
647 | if mv | |
648 | then | |
649 | (* not right... *) | |
ae4735db | 650 | let rule = "" in |
485bce71 C |
651 | StructUnionName |
652 | (reverse_structUnion su, | |
ae4735db C |
653 | Some(context_wrap(MetaId(make_mcode (rule,tag),Ast.IdNoConstraint, |
654 | Impure)))) | |
34e49164 | 655 | else |
485bce71 C |
656 | StructUnionName |
657 | (reverse_structUnion su, | |
658 | Some (context_wrap(Id(make_mcode tag)))) | |
34e49164 C |
659 | | Type_cocci.TypeName(name) -> TypeName(make_mcode name) |
660 | | Type_cocci.MetaType(name,_,_) -> | |
661 | MetaType(make_mcode name,Impure(*not really right*)) | |
662 | | _ -> raise TyConv | |
663 | ||
faf9a90c C |
664 | and reverse_baseType = function |
665 | Type_cocci.VoidType -> Ast.VoidType | |
666 | | Type_cocci.CharType -> Ast.CharType | |
667 | | Type_cocci.BoolType -> Ast.IntType | |
668 | | Type_cocci.ShortType -> Ast.ShortType | |
669 | | Type_cocci.IntType -> Ast.IntType | |
670 | | Type_cocci.DoubleType -> Ast.DoubleType | |
671 | | Type_cocci.FloatType -> Ast.FloatType | |
672 | | Type_cocci.LongType -> Ast.LongType | |
673 | | Type_cocci.LongLongType -> Ast.LongLongType | |
34e49164 C |
674 | |
675 | and reverse_structUnion t = | |
676 | make_mcode | |
677 | (match t with | |
678 | Type_cocci.Struct -> Ast.Struct | |
679 | | Type_cocci.Union -> Ast.Union) | |
680 | ||
681 | and reverse_sign t = | |
682 | make_mcode | |
683 | (match t with | |
684 | Type_cocci.Signed -> Ast.Signed | |
685 | | Type_cocci.Unsigned -> Ast.Unsigned) | |
686 | ||
687 | and reverse_const_vol t = | |
688 | make_mcode | |
689 | (match t with | |
690 | Type_cocci.Const -> Ast.Const | |
691 | | Type_cocci.Volatile -> Ast.Volatile) | |
692 | ||
693 | (* --------------------------------------------------------------------- *) | |
694 | ||
695 | let lub_pure x y = | |
696 | match (x,y) with | |
697 | (Impure,_) | (_,Impure) -> Impure | |
698 | | (Pure,Context) | (Context,Pure) -> Impure | |
699 | | (Pure,_) | (_,Pure) -> Pure | |
700 | | (_,Context) | (Context,_) -> Context | |
701 | | _ -> PureContext | |
702 | ||
703 | (* --------------------------------------------------------------------- *) | |
704 | ||
705 | let rule_name = ref "" (* for the convenience of the parser *) |