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1 | (* |
2 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen | |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller | |
4 | * This file is part of Coccinelle. | |
5 | * | |
6 | * Coccinelle is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, according to version 2 of the License. | |
9 | * | |
10 | * Coccinelle is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The authors reserve the right to distribute this or future versions of | |
19 | * Coccinelle under other licenses. | |
20 | *) | |
21 | ||
22 | ||
23 | module Ast = Ast_cocci | |
24 | ||
25 | (* --------------------------------------------------------------------- *) | |
26 | (* Generic traversal: combiner *) | |
27 | (* parameters: | |
28 | combining function | |
29 | treatment of: mcode, identifiers, expressions, fullTypes, types, | |
30 | declarations, statements, toplevels | |
31 | default value for options *) | |
32 | ||
33 | type 'a combiner = | |
34 | {combiner_ident : Ast.ident -> 'a; | |
35 | combiner_expression : Ast.expression -> 'a; | |
36 | combiner_fullType : Ast.fullType -> 'a; | |
37 | combiner_typeC : Ast.typeC -> 'a; | |
38 | combiner_declaration : Ast.declaration -> 'a; | |
39 | combiner_initialiser : Ast.initialiser -> 'a; | |
40 | combiner_parameter : Ast.parameterTypeDef -> 'a; | |
41 | combiner_parameter_list : Ast.parameter_list -> 'a; | |
42 | combiner_rule_elem : Ast.rule_elem -> 'a; | |
43 | combiner_statement : Ast.statement -> 'a; | |
44 | combiner_case_line : Ast.case_line -> 'a; | |
45 | combiner_top_level : Ast.top_level -> 'a; | |
46 | combiner_anything : Ast.anything -> 'a; | |
47 | combiner_expression_dots : Ast.expression Ast.dots -> 'a; | |
48 | combiner_statement_dots : Ast.statement Ast.dots -> 'a; | |
49 | combiner_declaration_dots : Ast.declaration Ast.dots -> 'a} | |
50 | ||
51 | type ('mc,'a) cmcode = 'a combiner -> 'mc Ast_cocci.mcode -> 'a | |
52 | type ('cd,'a) ccode = 'a combiner -> ('cd -> 'a) -> 'cd -> 'a | |
53 | ||
54 | ||
55 | let combiner bind option_default | |
56 | meta_mcodefn string_mcodefn const_mcodefn assign_mcodefn fix_mcodefn | |
57 | unary_mcodefn binary_mcodefn | |
58 | cv_mcodefn sign_mcodefn struct_mcodefn storage_mcodefn | |
59 | inc_file_mcodefn | |
60 | expdotsfn paramdotsfn stmtdotsfn decldotsfn | |
61 | identfn exprfn ftfn tyfn initfn paramfn declfn rulefn stmtfn casefn | |
62 | topfn anyfn = | |
63 | let multibind l = | |
64 | let rec loop = function | |
65 | [] -> option_default | |
66 | | [x] -> x | |
67 | | x::xs -> bind x (loop xs) in | |
68 | loop l in | |
69 | let get_option f = function | |
70 | Some x -> f x | |
71 | | None -> option_default in | |
72 | ||
73 | let rec meta_mcode x = meta_mcodefn all_functions x | |
74 | and string_mcode x = string_mcodefn all_functions x | |
75 | and const_mcode x = const_mcodefn all_functions x | |
76 | and assign_mcode x = assign_mcodefn all_functions x | |
77 | and fix_mcode x = fix_mcodefn all_functions x | |
78 | and unary_mcode x = unary_mcodefn all_functions x | |
79 | and binary_mcode x = binary_mcodefn all_functions x | |
80 | and cv_mcode x = cv_mcodefn all_functions x | |
81 | and sign_mcode x = sign_mcodefn all_functions x | |
82 | and struct_mcode x = struct_mcodefn all_functions x | |
83 | and storage_mcode x = storage_mcodefn all_functions x | |
84 | and inc_file_mcode x = inc_file_mcodefn all_functions x | |
85 | ||
86 | and expression_dots d = | |
87 | let k d = | |
88 | match Ast.unwrap d with | |
89 | Ast.DOTS(l) | Ast.CIRCLES(l) | Ast.STARS(l) -> | |
90 | multibind (List.map expression l) in | |
91 | expdotsfn all_functions k d | |
92 | ||
93 | and parameter_dots d = | |
94 | let k d = | |
95 | match Ast.unwrap d with | |
96 | Ast.DOTS(l) | Ast.CIRCLES(l) | Ast.STARS(l) -> | |
97 | multibind (List.map parameterTypeDef l) in | |
98 | paramdotsfn all_functions k d | |
99 | ||
100 | and statement_dots d = | |
101 | let k d = | |
102 | match Ast.unwrap d with | |
103 | Ast.DOTS(l) | Ast.CIRCLES(l) | Ast.STARS(l) -> | |
104 | multibind (List.map statement l) in | |
105 | stmtdotsfn all_functions k d | |
106 | ||
107 | and declaration_dots d = | |
108 | let k d = | |
109 | match Ast.unwrap d with | |
110 | Ast.DOTS(l) | Ast.CIRCLES(l) | Ast.STARS(l) -> | |
111 | multibind (List.map declaration l) in | |
112 | decldotsfn all_functions k d | |
113 | ||
114 | and ident i = | |
115 | let k i = | |
116 | match Ast.unwrap i with | |
117 | Ast.Id(name) -> string_mcode name | |
118 | | Ast.MetaId(name,_,_,_) -> meta_mcode name | |
119 | | Ast.MetaFunc(name,_,_,_) -> meta_mcode name | |
120 | | Ast.MetaLocalFunc(name,_,_,_) -> meta_mcode name | |
121 | | Ast.OptIdent(id) -> ident id | |
122 | | Ast.UniqueIdent(id) -> ident id in | |
123 | identfn all_functions k i | |
124 | ||
125 | and expression e = | |
126 | let k e = | |
127 | match Ast.unwrap e with | |
128 | Ast.Ident(id) -> ident id | |
129 | | Ast.Constant(const) -> const_mcode const | |
130 | | Ast.FunCall(fn,lp,args,rp) -> | |
131 | multibind [expression fn; string_mcode lp; expression_dots args; | |
132 | string_mcode rp] | |
133 | | Ast.Assignment(left,op,right,simple) -> | |
134 | multibind [expression left; assign_mcode op; expression right] | |
135 | | Ast.CondExpr(exp1,why,exp2,colon,exp3) -> | |
136 | multibind [expression exp1; string_mcode why; | |
137 | get_option expression exp2; string_mcode colon; | |
138 | expression exp3] | |
139 | | Ast.Postfix(exp,op) -> bind (expression exp) (fix_mcode op) | |
140 | | Ast.Infix(exp,op) -> bind (fix_mcode op) (expression exp) | |
141 | | Ast.Unary(exp,op) -> bind (unary_mcode op) (expression exp) | |
142 | | Ast.Binary(left,op,right) -> | |
143 | multibind [expression left; binary_mcode op; expression right] | |
144 | | Ast.Nested(left,op,right) -> | |
145 | multibind [expression left; binary_mcode op; expression right] | |
146 | | Ast.Paren(lp,exp,rp) -> | |
147 | multibind [string_mcode lp; expression exp; string_mcode rp] | |
148 | | Ast.ArrayAccess(exp1,lb,exp2,rb) -> | |
149 | multibind | |
150 | [expression exp1; string_mcode lb; expression exp2; | |
151 | string_mcode rb] | |
152 | | Ast.RecordAccess(exp,pt,field) -> | |
153 | multibind [expression exp; string_mcode pt; ident field] | |
154 | | Ast.RecordPtAccess(exp,ar,field) -> | |
155 | multibind [expression exp; string_mcode ar; ident field] | |
156 | | Ast.Cast(lp,ty,rp,exp) -> | |
157 | multibind | |
158 | [string_mcode lp; fullType ty; string_mcode rp; expression exp] | |
159 | | Ast.SizeOfExpr(szf,exp) -> | |
160 | multibind [string_mcode szf; expression exp] | |
161 | | Ast.SizeOfType(szf,lp,ty,rp) -> | |
162 | multibind | |
163 | [string_mcode szf; string_mcode lp; fullType ty; string_mcode rp] | |
164 | | Ast.TypeExp(ty) -> fullType ty | |
165 | | Ast.MetaErr(name,_,_,_) | |
166 | | Ast.MetaExpr(name,_,_,_,_,_) | |
167 | | Ast.MetaExprList(name,_,_,_) -> meta_mcode name | |
168 | | Ast.EComma(cm) -> string_mcode cm | |
169 | | Ast.DisjExpr(exp_list) -> multibind (List.map expression exp_list) | |
170 | | Ast.NestExpr(expr_dots,whencode,multi) -> | |
171 | bind (expression_dots expr_dots) (get_option expression whencode) | |
172 | | Ast.Edots(dots,whencode) | Ast.Ecircles(dots,whencode) | |
173 | | Ast.Estars(dots,whencode) -> | |
174 | bind (string_mcode dots) (get_option expression whencode) | |
175 | | Ast.OptExp(exp) | Ast.UniqueExp(exp) -> | |
176 | expression exp in | |
177 | exprfn all_functions k e | |
178 | ||
179 | and fullType ft = | |
180 | let k ft = | |
181 | match Ast.unwrap ft with | |
182 | Ast.Type(cv,ty) -> bind (get_option cv_mcode cv) (typeC ty) | |
183 | | Ast.DisjType(types) -> multibind (List.map fullType types) | |
184 | | Ast.OptType(ty) -> fullType ty | |
185 | | Ast.UniqueType(ty) -> fullType ty in | |
186 | ftfn all_functions k ft | |
187 | ||
188 | and function_pointer (ty,lp1,star,rp1,lp2,params,rp2) extra = | |
189 | (* have to put the treatment of the identifier into the right position *) | |
190 | multibind | |
191 | ([fullType ty; string_mcode lp1; string_mcode star] @ extra @ | |
192 | [string_mcode rp1; | |
193 | string_mcode lp2; parameter_dots params; string_mcode rp2]) | |
194 | ||
195 | and function_type (ty,lp1,params,rp1) extra = | |
196 | (* have to put the treatment of the identifier into the right position *) | |
197 | multibind | |
198 | ([get_option fullType ty] @ extra @ | |
199 | [string_mcode lp1; parameter_dots params; string_mcode rp1]) | |
200 | ||
201 | and array_type (ty,lb,size,rb) extra = | |
202 | multibind | |
203 | ([fullType ty] @ extra @ | |
204 | [string_mcode lb; get_option expression size; string_mcode rb]) | |
205 | ||
206 | and typeC ty = | |
207 | let k ty = | |
208 | match Ast.unwrap ty with | |
209 | Ast.BaseType(ty,strings) -> multibind (List.map string_mcode strings) | |
210 | | Ast.SignedT(sgn,ty) -> bind (sign_mcode sgn) (get_option typeC ty) | |
211 | | Ast.Pointer(ty,star) -> | |
212 | bind (fullType ty) (string_mcode star) | |
213 | | Ast.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> | |
214 | function_pointer (ty,lp1,star,rp1,lp2,params,rp2) [] | |
215 | | Ast.FunctionType (_,ty,lp1,params,rp1) -> | |
216 | function_type (ty,lp1,params,rp1) [] | |
217 | | Ast.Array(ty,lb,size,rb) -> array_type (ty,lb,size,rb) [] | |
218 | | Ast.EnumName(kind,name) -> bind (string_mcode kind) (ident name) | |
219 | | Ast.StructUnionName(kind,name) -> | |
220 | bind (struct_mcode kind) (get_option ident name) | |
221 | | Ast.StructUnionDef(ty,lb,decls,rb) -> | |
222 | multibind | |
223 | [fullType ty; string_mcode lb; declaration_dots decls; | |
224 | string_mcode rb] | |
225 | | Ast.TypeName(name) -> string_mcode name | |
226 | | Ast.MetaType(name,_,_) -> meta_mcode name in | |
227 | tyfn all_functions k ty | |
228 | ||
229 | and named_type ty id = | |
230 | match Ast.unwrap ty with | |
231 | Ast.Type(None,ty1) -> | |
232 | (match Ast.unwrap ty1 with | |
233 | Ast.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> | |
234 | function_pointer (ty,lp1,star,rp1,lp2,params,rp2) [ident id] | |
235 | | Ast.FunctionType(_,ty,lp1,params,rp1) -> | |
236 | function_type (ty,lp1,params,rp1) [ident id] | |
237 | | Ast.Array(ty,lb,size,rb) -> array_type (ty,lb,size,rb) [ident id] | |
238 | | _ -> bind (fullType ty) (ident id)) | |
239 | | _ -> bind (fullType ty) (ident id) | |
240 | ||
241 | and declaration d = | |
242 | let k d = | |
243 | match Ast.unwrap d with | |
244 | Ast.Init(stg,ty,id,eq,ini,sem) -> | |
245 | bind (get_option storage_mcode stg) | |
246 | (bind (named_type ty id) | |
247 | (multibind | |
248 | [string_mcode eq; initialiser ini; string_mcode sem])) | |
249 | | Ast.UnInit(stg,ty,id,sem) -> | |
250 | bind (get_option storage_mcode stg) | |
251 | (bind (named_type ty id) (string_mcode sem)) | |
252 | | Ast.MacroDecl(name,lp,args,rp,sem) -> | |
253 | multibind | |
254 | [ident name; string_mcode lp; expression_dots args; | |
255 | string_mcode rp; string_mcode sem] | |
256 | | Ast.TyDecl(ty,sem) -> bind (fullType ty) (string_mcode sem) | |
257 | | Ast.Typedef(stg,ty,id,sem) -> | |
258 | bind (string_mcode stg) | |
259 | (bind (fullType ty) (bind (typeC id) (string_mcode sem))) | |
260 | | Ast.DisjDecl(decls) -> multibind (List.map declaration decls) | |
261 | | Ast.Ddots(dots,whencode) -> | |
262 | bind (string_mcode dots) (get_option declaration whencode) | |
263 | | Ast.MetaDecl(name,_,_) -> meta_mcode name | |
264 | | Ast.OptDecl(decl) -> declaration decl | |
265 | | Ast.UniqueDecl(decl) -> declaration decl in | |
266 | declfn all_functions k d | |
267 | ||
268 | and initialiser i = | |
269 | let k i = | |
270 | match Ast.unwrap i with | |
271 | Ast.MetaInit(name,_,_) -> meta_mcode name | |
272 | | Ast.InitExpr(exp) -> expression exp | |
273 | | Ast.InitList(lb,initlist,rb,whencode) -> | |
274 | multibind | |
275 | [string_mcode lb; | |
276 | multibind (List.map initialiser initlist); | |
277 | string_mcode rb; | |
278 | multibind (List.map initialiser whencode)] | |
279 | | Ast.InitGccName(name,eq,ini) -> | |
280 | multibind [ident name; string_mcode eq; initialiser ini] | |
281 | | Ast.InitGccExt(designators,eq,ini) -> | |
282 | multibind | |
283 | ((List.map designator designators) @ | |
284 | [string_mcode eq; initialiser ini]) | |
285 | | Ast.IComma(cm) -> string_mcode cm | |
286 | | Ast.OptIni(i) -> initialiser i | |
287 | | Ast.UniqueIni(i) -> initialiser i in | |
288 | initfn all_functions k i | |
289 | ||
290 | and designator = function | |
291 | Ast.DesignatorField(dot,id) -> bind (string_mcode dot) (ident id) | |
292 | | Ast.DesignatorIndex(lb,exp,rb) -> | |
293 | bind (string_mcode lb) (bind (expression exp) (string_mcode rb)) | |
294 | | Ast.DesignatorRange(lb,min,dots,max,rb) -> | |
295 | multibind | |
296 | [string_mcode lb; expression min; string_mcode dots; | |
297 | expression max; string_mcode rb] | |
298 | ||
299 | and parameterTypeDef p = | |
300 | let k p = | |
301 | match Ast.unwrap p with | |
302 | Ast.VoidParam(ty) -> fullType ty | |
303 | | Ast.Param(ty,Some id) -> named_type ty id | |
304 | | Ast.Param(ty,None) -> fullType ty | |
305 | | Ast.MetaParam(name,_,_) -> meta_mcode name | |
306 | | Ast.MetaParamList(name,_,_,_) -> meta_mcode name | |
307 | | Ast.PComma(cm) -> string_mcode cm | |
308 | | Ast.Pdots(dots) -> string_mcode dots | |
309 | | Ast.Pcircles(dots) -> string_mcode dots | |
310 | | Ast.OptParam(param) -> parameterTypeDef param | |
311 | | Ast.UniqueParam(param) -> parameterTypeDef param in | |
312 | paramfn all_functions k p | |
313 | ||
314 | and rule_elem re = | |
315 | let k re = | |
316 | match Ast.unwrap re with | |
317 | Ast.FunHeader(_,_,fi,name,lp,params,rp) -> | |
318 | multibind | |
319 | ((List.map fninfo fi) @ | |
320 | [ident name;string_mcode lp;parameter_dots params; | |
321 | string_mcode rp]) | |
322 | | Ast.Decl(_,_,decl) -> declaration decl | |
323 | | Ast.SeqStart(brace) -> string_mcode brace | |
324 | | Ast.SeqEnd(brace) -> string_mcode brace | |
325 | | Ast.ExprStatement(exp,sem) -> | |
326 | bind (expression exp) (string_mcode sem) | |
327 | | Ast.IfHeader(iff,lp,exp,rp) -> | |
328 | multibind [string_mcode iff; string_mcode lp; expression exp; | |
329 | string_mcode rp] | |
330 | | Ast.Else(els) -> string_mcode els | |
331 | | Ast.WhileHeader(whl,lp,exp,rp) -> | |
332 | multibind [string_mcode whl; string_mcode lp; expression exp; | |
333 | string_mcode rp] | |
334 | | Ast.DoHeader(d) -> string_mcode d | |
335 | | Ast.WhileTail(whl,lp,exp,rp,sem) -> | |
336 | multibind [string_mcode whl; string_mcode lp; expression exp; | |
337 | string_mcode rp; string_mcode sem] | |
338 | | Ast.ForHeader(fr,lp,e1,sem1,e2,sem2,e3,rp) -> | |
339 | multibind [string_mcode fr; string_mcode lp; | |
340 | get_option expression e1; string_mcode sem1; | |
341 | get_option expression e2; string_mcode sem2; | |
342 | get_option expression e3; string_mcode rp] | |
343 | | Ast.IteratorHeader(nm,lp,args,rp) -> | |
344 | multibind [ident nm; string_mcode lp; | |
345 | expression_dots args; string_mcode rp] | |
346 | | Ast.SwitchHeader(switch,lp,exp,rp) -> | |
347 | multibind [string_mcode switch; string_mcode lp; expression exp; | |
348 | string_mcode rp] | |
349 | | Ast.Break(br,sem) -> bind (string_mcode br) (string_mcode sem) | |
350 | | Ast.Continue(cont,sem) -> bind (string_mcode cont) (string_mcode sem) | |
351 | | Ast.Label(l,dd) -> bind (ident l) (string_mcode dd) | |
352 | | Ast.Goto(goto,l,sem) -> | |
353 | bind (string_mcode goto) (bind (ident l) (string_mcode sem)) | |
354 | | Ast.Return(ret,sem) -> bind (string_mcode ret) (string_mcode sem) | |
355 | | Ast.ReturnExpr(ret,exp,sem) -> | |
356 | multibind [string_mcode ret; expression exp; string_mcode sem] | |
357 | | Ast.MetaStmt(name,_,_,_) -> meta_mcode name | |
358 | | Ast.MetaStmtList(name,_,_) -> meta_mcode name | |
359 | | Ast.MetaRuleElem(name,_,_) -> meta_mcode name | |
360 | | Ast.Exp(exp) -> expression exp | |
361 | | Ast.TopExp(exp) -> expression exp | |
362 | | Ast.Ty(ty) -> fullType ty | |
363 | | Ast.TopInit(init) -> initialiser init | |
364 | | Ast.Include(inc,name) -> bind (string_mcode inc) (inc_file_mcode name) | |
365 | | Ast.DefineHeader(def,id,params) -> | |
366 | multibind [string_mcode def; ident id; define_parameters params] | |
367 | | Ast.Default(def,colon) -> bind (string_mcode def) (string_mcode colon) | |
368 | | Ast.Case(case,exp,colon) -> | |
369 | multibind [string_mcode case; expression exp; string_mcode colon] | |
370 | | Ast.DisjRuleElem(res) -> multibind (List.map rule_elem res) in | |
371 | rulefn all_functions k re | |
372 | ||
373 | (* not parameterizable for now... *) | |
374 | and define_parameters p = | |
375 | let k p = | |
376 | match Ast.unwrap p with | |
377 | Ast.NoParams -> option_default | |
378 | | Ast.DParams(lp,params,rp) -> | |
379 | multibind | |
380 | [string_mcode lp; define_param_dots params; string_mcode rp] in | |
381 | k p | |
382 | ||
383 | and define_param_dots d = | |
384 | let k d = | |
385 | match Ast.unwrap d with | |
386 | Ast.DOTS(l) | Ast.CIRCLES(l) | Ast.STARS(l) -> | |
387 | multibind (List.map define_param l) in | |
388 | k d | |
389 | ||
390 | and define_param p = | |
391 | let k p = | |
392 | match Ast.unwrap p with | |
393 | Ast.DParam(id) -> ident id | |
394 | | Ast.DPComma(comma) -> string_mcode comma | |
395 | | Ast.DPdots(d) -> string_mcode d | |
396 | | Ast.DPcircles(c) -> string_mcode c | |
397 | | Ast.OptDParam(dp) -> define_param dp | |
398 | | Ast.UniqueDParam(dp) -> define_param dp in | |
399 | k p | |
400 | ||
401 | (* discard the result, because the statement is assumed to be already | |
402 | represented elsewhere in the code *) | |
403 | and process_bef_aft s = | |
404 | match Ast.get_dots_bef_aft s with | |
405 | Ast.NoDots -> () | |
406 | | Ast.DroppingBetweenDots(stm,ind) -> let _ = statement stm in () | |
407 | | Ast.AddingBetweenDots(stm,ind) -> let _ = statement stm in () | |
408 | ||
409 | and statement s = | |
410 | process_bef_aft s; | |
411 | let k s = | |
412 | match Ast.unwrap s with | |
413 | Ast.Seq(lbrace,decls,body,rbrace) -> | |
414 | multibind [rule_elem lbrace; statement_dots decls; | |
415 | statement_dots body; rule_elem rbrace] | |
416 | | Ast.IfThen(header,branch,_) -> | |
417 | multibind [rule_elem header; statement branch] | |
418 | | Ast.IfThenElse(header,branch1,els,branch2,_) -> | |
419 | multibind [rule_elem header; statement branch1; rule_elem els; | |
420 | statement branch2] | |
421 | | Ast.While(header,body,_) -> | |
422 | multibind [rule_elem header; statement body] | |
423 | | Ast.Do(header,body,tail) -> | |
424 | multibind [rule_elem header; statement body; rule_elem tail] | |
425 | | Ast.For(header,body,_) -> multibind [rule_elem header; statement body] | |
426 | | Ast.Iterator(header,body,_) -> | |
427 | multibind [rule_elem header; statement body] | |
428 | | Ast.Switch(header,lb,cases,rb) -> | |
429 | multibind [rule_elem header;rule_elem lb; | |
430 | multibind (List.map case_line cases); | |
431 | rule_elem rb] | |
432 | | Ast.Atomic(re) -> rule_elem re | |
433 | | Ast.Disj(stmt_dots_list) -> | |
434 | multibind (List.map statement_dots stmt_dots_list) | |
435 | | Ast.Nest(stmt_dots,whn,_,_,_) -> | |
436 | bind (statement_dots stmt_dots) | |
437 | (multibind (List.map (whencode statement_dots statement) whn)) | |
438 | | Ast.FunDecl(header,lbrace,decls,body,rbrace) -> | |
439 | multibind [rule_elem header; rule_elem lbrace; | |
440 | statement_dots decls; statement_dots body; | |
441 | rule_elem rbrace] | |
442 | | Ast.Define(header,body) -> | |
443 | bind (rule_elem header) (statement_dots body) | |
444 | | Ast.Dots(d,whn,_,_) | Ast.Circles(d,whn,_,_) | Ast.Stars(d,whn,_,_) -> | |
445 | bind (string_mcode d) | |
446 | (multibind (List.map (whencode statement_dots statement) whn)) | |
447 | | Ast.OptStm(stmt) | Ast.UniqueStm(stmt) -> | |
448 | statement stmt in | |
449 | stmtfn all_functions k s | |
450 | ||
451 | and fninfo = function | |
452 | Ast.FStorage(stg) -> storage_mcode stg | |
453 | | Ast.FType(ty) -> fullType ty | |
454 | | Ast.FInline(inline) -> string_mcode inline | |
455 | | Ast.FAttr(attr) -> string_mcode attr | |
456 | ||
457 | and whencode notfn alwaysfn = function | |
458 | Ast.WhenNot a -> notfn a | |
459 | | Ast.WhenAlways a -> alwaysfn a | |
460 | | Ast.WhenModifier(_) -> option_default | |
461 | | Ast.WhenNotTrue(e) -> rule_elem e | |
462 | | Ast.WhenNotFalse(e) -> rule_elem e | |
463 | ||
464 | and case_line c = | |
465 | let k c = | |
466 | match Ast.unwrap c with | |
467 | Ast.CaseLine(header,code) -> | |
468 | bind (rule_elem header) (statement_dots code) | |
469 | | Ast.OptCase(case) -> case_line case in | |
470 | casefn all_functions k c | |
471 | ||
472 | and top_level t = | |
473 | let k t = | |
474 | match Ast.unwrap t with | |
475 | Ast.FILEINFO(old_file,new_file) -> | |
476 | bind (string_mcode old_file) (string_mcode new_file) | |
477 | | Ast.DECL(stmt) -> statement stmt | |
478 | | Ast.CODE(stmt_dots) -> statement_dots stmt_dots | |
479 | | Ast.ERRORWORDS(exps) -> multibind (List.map expression exps) in | |
480 | topfn all_functions k t | |
481 | ||
482 | and anything a = | |
483 | let k = function | |
484 | (*in many cases below, the thing is not even mcode, so we do nothing*) | |
485 | Ast.FullTypeTag(ft) -> fullType ft | |
486 | | Ast.BaseTypeTag(bt) -> option_default | |
487 | | Ast.StructUnionTag(su) -> option_default | |
488 | | Ast.SignTag(sgn) -> option_default | |
489 | | Ast.IdentTag(id) -> ident id | |
490 | | Ast.ExpressionTag(exp) -> expression exp | |
491 | | Ast.ConstantTag(cst) -> option_default | |
492 | | Ast.UnaryOpTag(unop) -> option_default | |
493 | | Ast.AssignOpTag(asgnop) -> option_default | |
494 | | Ast.FixOpTag(fixop) -> option_default | |
495 | | Ast.BinaryOpTag(binop) -> option_default | |
496 | | Ast.ArithOpTag(arithop) -> option_default | |
497 | | Ast.LogicalOpTag(logop) -> option_default | |
498 | | Ast.DeclarationTag(decl) -> declaration decl | |
499 | | Ast.InitTag(ini) -> initialiser ini | |
500 | | Ast.StorageTag(stg) -> option_default | |
501 | | Ast.IncFileTag(stg) -> option_default | |
502 | | Ast.Rule_elemTag(rule) -> rule_elem rule | |
503 | | Ast.StatementTag(rule) -> statement rule | |
504 | | Ast.CaseLineTag(case) -> case_line case | |
505 | | Ast.ConstVolTag(cv) -> option_default | |
506 | | Ast.Token(tok,info) -> option_default | |
507 | | Ast.Code(cd) -> top_level cd | |
508 | | Ast.ExprDotsTag(ed) -> expression_dots ed | |
509 | | Ast.ParamDotsTag(pd) -> parameter_dots pd | |
510 | | Ast.StmtDotsTag(sd) -> statement_dots sd | |
511 | | Ast.DeclDotsTag(sd) -> declaration_dots sd | |
512 | | Ast.TypeCTag(ty) -> typeC ty | |
513 | | Ast.ParamTag(param) -> parameterTypeDef param | |
514 | | Ast.SgrepStartTag(tok) -> option_default | |
515 | | Ast.SgrepEndTag(tok) -> option_default in | |
516 | anyfn all_functions k a | |
517 | ||
518 | and all_functions = | |
519 | {combiner_ident = ident; | |
520 | combiner_expression = expression; | |
521 | combiner_fullType = fullType; | |
522 | combiner_typeC = typeC; | |
523 | combiner_declaration = declaration; | |
524 | combiner_initialiser = initialiser; | |
525 | combiner_parameter = parameterTypeDef; | |
526 | combiner_parameter_list = parameter_dots; | |
527 | combiner_rule_elem = rule_elem; | |
528 | combiner_statement = statement; | |
529 | combiner_case_line = case_line; | |
530 | combiner_top_level = top_level; | |
531 | combiner_anything = anything; | |
532 | combiner_expression_dots = expression_dots; | |
533 | combiner_statement_dots = statement_dots; | |
534 | combiner_declaration_dots = declaration_dots} in | |
535 | all_functions | |
536 | ||
537 | (* ---------------------------------------------------------------------- *) | |
538 | ||
539 | type 'a inout = 'a -> 'a (* for specifying the type of rebuilder *) | |
540 | ||
541 | type rebuilder = | |
542 | {rebuilder_ident : Ast.ident inout; | |
543 | rebuilder_expression : Ast.expression inout; | |
544 | rebuilder_fullType : Ast.fullType inout; | |
545 | rebuilder_typeC : Ast.typeC inout; | |
546 | rebuilder_declaration : Ast.declaration inout; | |
547 | rebuilder_initialiser : Ast.initialiser inout; | |
548 | rebuilder_parameter : Ast.parameterTypeDef inout; | |
549 | rebuilder_parameter_list : Ast.parameter_list inout; | |
550 | rebuilder_statement : Ast.statement inout; | |
551 | rebuilder_case_line : Ast.case_line inout; | |
552 | rebuilder_rule_elem : Ast.rule_elem inout; | |
553 | rebuilder_top_level : Ast.top_level inout; | |
554 | rebuilder_expression_dots : Ast.expression Ast.dots inout; | |
555 | rebuilder_statement_dots : Ast.statement Ast.dots inout; | |
556 | rebuilder_declaration_dots : Ast.declaration Ast.dots inout; | |
557 | rebuilder_define_param_dots : Ast.define_param Ast.dots inout; | |
558 | rebuilder_define_param : Ast.define_param inout; | |
559 | rebuilder_define_parameters : Ast.define_parameters inout; | |
560 | rebuilder_anything : Ast.anything inout} | |
561 | ||
562 | type 'mc rmcode = 'mc Ast.mcode inout | |
563 | type 'cd rcode = rebuilder -> ('cd inout) -> 'cd inout | |
564 | ||
565 | ||
566 | let rebuilder | |
567 | meta_mcode string_mcode const_mcode assign_mcode fix_mcode unary_mcode | |
568 | binary_mcode cv_mcode sign_mcode struct_mcode storage_mcode | |
569 | inc_file_mcode | |
570 | expdotsfn paramdotsfn stmtdotsfn decldotsfn | |
571 | identfn exprfn ftfn tyfn initfn paramfn declfn rulefn stmtfn casefn | |
572 | topfn anyfn = | |
573 | let get_option f = function | |
574 | Some x -> Some (f x) | |
575 | | None -> None in | |
576 | let rec expression_dots d = | |
577 | let k d = | |
578 | Ast.rewrap d | |
579 | (match Ast.unwrap d with | |
580 | Ast.DOTS(l) -> Ast.DOTS(List.map expression l) | |
581 | | Ast.CIRCLES(l) -> Ast.CIRCLES(List.map expression l) | |
582 | | Ast.STARS(l) -> Ast.STARS(List.map expression l)) in | |
583 | expdotsfn all_functions k d | |
584 | ||
585 | and parameter_dots d = | |
586 | let k d = | |
587 | Ast.rewrap d | |
588 | (match Ast.unwrap d with | |
589 | Ast.DOTS(l) -> Ast.DOTS(List.map parameterTypeDef l) | |
590 | | Ast.CIRCLES(l) -> Ast.CIRCLES(List.map parameterTypeDef l) | |
591 | | Ast.STARS(l) -> Ast.STARS(List.map parameterTypeDef l)) in | |
592 | paramdotsfn all_functions k d | |
593 | ||
594 | and statement_dots d = | |
595 | let k d = | |
596 | Ast.rewrap d | |
597 | (match Ast.unwrap d with | |
598 | Ast.DOTS(l) -> Ast.DOTS(List.map statement l) | |
599 | | Ast.CIRCLES(l) -> Ast.CIRCLES(List.map statement l) | |
600 | | Ast.STARS(l) -> Ast.STARS(List.map statement l)) in | |
601 | stmtdotsfn all_functions k d | |
602 | ||
603 | and declaration_dots d = | |
604 | let k d = | |
605 | Ast.rewrap d | |
606 | (match Ast.unwrap d with | |
607 | Ast.DOTS(l) -> Ast.DOTS(List.map declaration l) | |
608 | | Ast.CIRCLES(l) -> Ast.CIRCLES(List.map declaration l) | |
609 | | Ast.STARS(l) -> Ast.STARS(List.map declaration l)) in | |
610 | decldotsfn all_functions k d | |
611 | ||
612 | and ident i = | |
613 | let k i = | |
614 | Ast.rewrap i | |
615 | (match Ast.unwrap i with | |
616 | Ast.Id(name) -> Ast.Id(string_mcode name) | |
617 | | Ast.MetaId(name,constraints,keep,inherited) -> | |
618 | Ast.MetaId(meta_mcode name,constraints,keep,inherited) | |
619 | | Ast.MetaFunc(name,constraints,keep,inherited) -> | |
620 | Ast.MetaFunc(meta_mcode name,constraints,keep,inherited) | |
621 | | Ast.MetaLocalFunc(name,constraints,keep,inherited) -> | |
622 | Ast.MetaLocalFunc(meta_mcode name,constraints,keep,inherited) | |
623 | | Ast.OptIdent(id) -> Ast.OptIdent(ident id) | |
624 | | Ast.UniqueIdent(id) -> Ast.UniqueIdent(ident id)) in | |
625 | identfn all_functions k i | |
626 | ||
627 | and expression e = | |
628 | let k e = | |
629 | Ast.rewrap e | |
630 | (match Ast.unwrap e with | |
631 | Ast.Ident(id) -> Ast.Ident(ident id) | |
632 | | Ast.Constant(const) -> Ast.Constant(const_mcode const) | |
633 | | Ast.FunCall(fn,lp,args,rp) -> | |
634 | Ast.FunCall(expression fn, string_mcode lp, expression_dots args, | |
635 | string_mcode rp) | |
636 | | Ast.Assignment(left,op,right,simple) -> | |
637 | Ast.Assignment(expression left, assign_mcode op, expression right, | |
638 | simple) | |
639 | | Ast.CondExpr(exp1,why,exp2,colon,exp3) -> | |
640 | Ast.CondExpr(expression exp1, string_mcode why, | |
641 | get_option expression exp2, string_mcode colon, | |
642 | expression exp3) | |
643 | | Ast.Postfix(exp,op) -> Ast.Postfix(expression exp,fix_mcode op) | |
644 | | Ast.Infix(exp,op) -> Ast.Infix(expression exp,fix_mcode op) | |
645 | | Ast.Unary(exp,op) -> Ast.Unary(expression exp,unary_mcode op) | |
646 | | Ast.Binary(left,op,right) -> | |
647 | Ast.Binary(expression left, binary_mcode op, expression right) | |
648 | | Ast.Nested(left,op,right) -> | |
649 | Ast.Nested(expression left, binary_mcode op, expression right) | |
650 | | Ast.Paren(lp,exp,rp) -> | |
651 | Ast.Paren(string_mcode lp, expression exp, string_mcode rp) | |
652 | | Ast.ArrayAccess(exp1,lb,exp2,rb) -> | |
653 | Ast.ArrayAccess(expression exp1, string_mcode lb, expression exp2, | |
654 | string_mcode rb) | |
655 | | Ast.RecordAccess(exp,pt,field) -> | |
656 | Ast.RecordAccess(expression exp, string_mcode pt, ident field) | |
657 | | Ast.RecordPtAccess(exp,ar,field) -> | |
658 | Ast.RecordPtAccess(expression exp, string_mcode ar, ident field) | |
659 | | Ast.Cast(lp,ty,rp,exp) -> | |
660 | Ast.Cast(string_mcode lp, fullType ty, string_mcode rp, | |
661 | expression exp) | |
662 | | Ast.SizeOfExpr(szf,exp) -> | |
663 | Ast.SizeOfExpr(string_mcode szf, expression exp) | |
664 | | Ast.SizeOfType(szf,lp,ty,rp) -> | |
665 | Ast.SizeOfType(string_mcode szf,string_mcode lp, fullType ty, | |
666 | string_mcode rp) | |
667 | | Ast.TypeExp(ty) -> Ast.TypeExp(fullType ty) | |
668 | | Ast.MetaErr(name,constraints,keep,inherited) -> | |
669 | Ast.MetaErr(meta_mcode name,constraints,keep,inherited) | |
670 | | Ast.MetaExpr(name,constraints,keep,ty,form,inherited) -> | |
671 | Ast.MetaExpr(meta_mcode name,constraints,keep,ty,form,inherited) | |
672 | | Ast.MetaExprList(name,lenname_inh,keep,inherited) -> | |
673 | Ast.MetaExprList(meta_mcode name,lenname_inh,keep,inherited) | |
674 | | Ast.EComma(cm) -> Ast.EComma(string_mcode cm) | |
675 | | Ast.DisjExpr(exp_list) -> Ast.DisjExpr(List.map expression exp_list) | |
676 | | Ast.NestExpr(expr_dots,whencode,multi) -> | |
677 | Ast.NestExpr(expression_dots expr_dots, | |
678 | get_option expression whencode,multi) | |
679 | | Ast.Edots(dots,whencode) -> | |
680 | Ast.Edots(string_mcode dots,get_option expression whencode) | |
681 | | Ast.Ecircles(dots,whencode) -> | |
682 | Ast.Ecircles(string_mcode dots,get_option expression whencode) | |
683 | | Ast.Estars(dots,whencode) -> | |
684 | Ast.Estars(string_mcode dots,get_option expression whencode) | |
685 | | Ast.OptExp(exp) -> Ast.OptExp(expression exp) | |
686 | | Ast.UniqueExp(exp) -> Ast.UniqueExp(expression exp)) in | |
687 | exprfn all_functions k e | |
688 | ||
689 | and fullType ft = | |
690 | let k ft = | |
691 | Ast.rewrap ft | |
692 | (match Ast.unwrap ft with | |
693 | Ast.Type(cv,ty) -> Ast.Type (get_option cv_mcode cv, typeC ty) | |
694 | | Ast.DisjType(types) -> Ast.DisjType(List.map fullType types) | |
695 | | Ast.OptType(ty) -> Ast.OptType(fullType ty) | |
696 | | Ast.UniqueType(ty) -> Ast.UniqueType(fullType ty)) in | |
697 | ftfn all_functions k ft | |
698 | ||
699 | and typeC ty = | |
700 | let k ty = | |
701 | Ast.rewrap ty | |
702 | (match Ast.unwrap ty with | |
703 | Ast.BaseType(ty,strings) -> | |
704 | Ast.BaseType (ty, List.map string_mcode strings) | |
705 | | Ast.SignedT(sgn,ty) -> | |
706 | Ast.SignedT(sign_mcode sgn,get_option typeC ty) | |
707 | | Ast.Pointer(ty,star) -> | |
708 | Ast.Pointer (fullType ty, string_mcode star) | |
709 | | Ast.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> | |
710 | Ast.FunctionPointer(fullType ty,string_mcode lp1,string_mcode star, | |
711 | string_mcode rp1,string_mcode lp2, | |
712 | parameter_dots params, | |
713 | string_mcode rp2) | |
714 | | Ast.FunctionType(allminus,ty,lp,params,rp) -> | |
715 | Ast.FunctionType(allminus,get_option fullType ty,string_mcode lp, | |
716 | parameter_dots params,string_mcode rp) | |
717 | | Ast.Array(ty,lb,size,rb) -> | |
718 | Ast.Array(fullType ty, string_mcode lb, | |
719 | get_option expression size, string_mcode rb) | |
720 | | Ast.EnumName(kind,name) -> | |
721 | Ast.EnumName(string_mcode kind, ident name) | |
722 | | Ast.StructUnionName(kind,name) -> | |
723 | Ast.StructUnionName (struct_mcode kind, get_option ident name) | |
724 | | Ast.StructUnionDef(ty,lb,decls,rb) -> | |
725 | Ast.StructUnionDef (fullType ty, | |
726 | string_mcode lb, declaration_dots decls, | |
727 | string_mcode rb) | |
728 | | Ast.TypeName(name) -> Ast.TypeName(string_mcode name) | |
729 | | Ast.MetaType(name,keep,inherited) -> | |
730 | Ast.MetaType(meta_mcode name,keep,inherited)) in | |
731 | tyfn all_functions k ty | |
732 | ||
733 | and declaration d = | |
734 | let k d = | |
735 | Ast.rewrap d | |
736 | (match Ast.unwrap d with | |
737 | Ast.Init(stg,ty,id,eq,ini,sem) -> | |
738 | Ast.Init(get_option storage_mcode stg, fullType ty, ident id, | |
739 | string_mcode eq, initialiser ini, string_mcode sem) | |
740 | | Ast.UnInit(stg,ty,id,sem) -> | |
741 | Ast.UnInit(get_option storage_mcode stg, fullType ty, ident id, | |
742 | string_mcode sem) | |
743 | | Ast.MacroDecl(name,lp,args,rp,sem) -> | |
744 | Ast.MacroDecl(ident name, string_mcode lp, expression_dots args, | |
745 | string_mcode rp,string_mcode sem) | |
746 | | Ast.TyDecl(ty,sem) -> Ast.TyDecl(fullType ty, string_mcode sem) | |
747 | | Ast.Typedef(stg,ty,id,sem) -> | |
748 | Ast.Typedef(string_mcode stg, fullType ty, typeC id, | |
749 | string_mcode sem) | |
750 | | Ast.DisjDecl(decls) -> Ast.DisjDecl(List.map declaration decls) | |
751 | | Ast.Ddots(dots,whencode) -> | |
752 | Ast.Ddots(string_mcode dots, get_option declaration whencode) | |
753 | | Ast.MetaDecl(name,keep,inherited) -> | |
754 | Ast.MetaDecl(meta_mcode name,keep,inherited) | |
755 | | Ast.OptDecl(decl) -> Ast.OptDecl(declaration decl) | |
756 | | Ast.UniqueDecl(decl) -> Ast.UniqueDecl(declaration decl)) in | |
757 | declfn all_functions k d | |
758 | ||
759 | and initialiser i = | |
760 | let k i = | |
761 | Ast.rewrap i | |
762 | (match Ast.unwrap i with | |
763 | Ast.MetaInit(name,keep,inherited) -> | |
764 | Ast.MetaInit(meta_mcode name,keep,inherited) | |
765 | | Ast.InitExpr(exp) -> Ast.InitExpr(expression exp) | |
766 | | Ast.InitList(lb,initlist,rb,whencode) -> | |
767 | Ast.InitList(string_mcode lb, List.map initialiser initlist, | |
768 | string_mcode rb, List.map initialiser whencode) | |
769 | | Ast.InitGccName(name,eq,ini) -> | |
770 | Ast.InitGccName(ident name, string_mcode eq, initialiser ini) | |
771 | | Ast.InitGccExt(designators,eq,ini) -> | |
772 | Ast.InitGccExt | |
773 | (List.map designator designators, string_mcode eq, | |
774 | initialiser ini) | |
775 | | Ast.IComma(cm) -> Ast.IComma(string_mcode cm) | |
776 | | Ast.OptIni(i) -> Ast.OptIni(initialiser i) | |
777 | | Ast.UniqueIni(i) -> Ast.UniqueIni(initialiser i)) in | |
778 | initfn all_functions k i | |
779 | ||
780 | and designator = function | |
781 | Ast.DesignatorField(dot,id) -> | |
782 | Ast.DesignatorField(string_mcode dot,ident id) | |
783 | | Ast.DesignatorIndex(lb,exp,rb) -> | |
784 | Ast.DesignatorIndex(string_mcode lb,expression exp,string_mcode rb) | |
785 | | Ast.DesignatorRange(lb,min,dots,max,rb) -> | |
786 | Ast.DesignatorRange(string_mcode lb,expression min,string_mcode dots, | |
787 | expression max,string_mcode rb) | |
788 | ||
789 | and parameterTypeDef p = | |
790 | let k p = | |
791 | Ast.rewrap p | |
792 | (match Ast.unwrap p with | |
793 | Ast.VoidParam(ty) -> Ast.VoidParam(fullType ty) | |
794 | | Ast.Param(ty,id) -> Ast.Param(fullType ty, get_option ident id) | |
795 | | Ast.MetaParam(name,keep,inherited) -> | |
796 | Ast.MetaParam(meta_mcode name,keep,inherited) | |
797 | | Ast.MetaParamList(name,lenname_inh,keep,inherited) -> | |
798 | Ast.MetaParamList(meta_mcode name,lenname_inh,keep,inherited) | |
799 | | Ast.PComma(cm) -> Ast.PComma(string_mcode cm) | |
800 | | Ast.Pdots(dots) -> Ast.Pdots(string_mcode dots) | |
801 | | Ast.Pcircles(dots) -> Ast.Pcircles(string_mcode dots) | |
802 | | Ast.OptParam(param) -> Ast.OptParam(parameterTypeDef param) | |
803 | | Ast.UniqueParam(param) -> Ast.UniqueParam(parameterTypeDef param)) in | |
804 | paramfn all_functions k p | |
805 | ||
806 | and rule_elem re = | |
807 | let k re = | |
808 | Ast.rewrap re | |
809 | (match Ast.unwrap re with | |
810 | Ast.FunHeader(bef,allminus,fi,name,lp,params,rp) -> | |
811 | Ast.FunHeader(bef,allminus,List.map fninfo fi,ident name, | |
812 | string_mcode lp, parameter_dots params, | |
813 | string_mcode rp) | |
814 | | Ast.Decl(bef,allminus,decl) -> | |
815 | Ast.Decl(bef,allminus,declaration decl) | |
816 | | Ast.SeqStart(brace) -> Ast.SeqStart(string_mcode brace) | |
817 | | Ast.SeqEnd(brace) -> Ast.SeqEnd(string_mcode brace) | |
818 | | Ast.ExprStatement(exp,sem) -> | |
819 | Ast.ExprStatement (expression exp, string_mcode sem) | |
820 | | Ast.IfHeader(iff,lp,exp,rp) -> | |
821 | Ast.IfHeader(string_mcode iff, string_mcode lp, expression exp, | |
822 | string_mcode rp) | |
823 | | Ast.Else(els) -> Ast.Else(string_mcode els) | |
824 | | Ast.WhileHeader(whl,lp,exp,rp) -> | |
825 | Ast.WhileHeader(string_mcode whl, string_mcode lp, expression exp, | |
826 | string_mcode rp) | |
827 | | Ast.DoHeader(d) -> Ast.DoHeader(string_mcode d) | |
828 | | Ast.WhileTail(whl,lp,exp,rp,sem) -> | |
829 | Ast.WhileTail(string_mcode whl, string_mcode lp, expression exp, | |
830 | string_mcode rp, string_mcode sem) | |
831 | | Ast.ForHeader(fr,lp,e1,sem1,e2,sem2,e3,rp) -> | |
832 | Ast.ForHeader(string_mcode fr, string_mcode lp, | |
833 | get_option expression e1, string_mcode sem1, | |
834 | get_option expression e2, string_mcode sem2, | |
835 | get_option expression e3, string_mcode rp) | |
836 | | Ast.IteratorHeader(whl,lp,args,rp) -> | |
837 | Ast.IteratorHeader(ident whl, string_mcode lp, | |
838 | expression_dots args, string_mcode rp) | |
839 | | Ast.SwitchHeader(switch,lp,exp,rp) -> | |
840 | Ast.SwitchHeader(string_mcode switch, string_mcode lp, | |
841 | expression exp, string_mcode rp) | |
842 | | Ast.Break(br,sem) -> | |
843 | Ast.Break(string_mcode br, string_mcode sem) | |
844 | | Ast.Continue(cont,sem) -> | |
845 | Ast.Continue(string_mcode cont, string_mcode sem) | |
846 | | Ast.Label(l,dd) -> Ast.Label(ident l, string_mcode dd) | |
847 | | Ast.Goto(goto,l,sem) -> | |
848 | Ast.Goto(string_mcode goto,ident l,string_mcode sem) | |
849 | | Ast.Return(ret,sem) -> | |
850 | Ast.Return(string_mcode ret, string_mcode sem) | |
851 | | Ast.ReturnExpr(ret,exp,sem) -> | |
852 | Ast.ReturnExpr(string_mcode ret, expression exp, string_mcode sem) | |
853 | | Ast.MetaStmt(name,keep,seqible,inherited) -> | |
854 | Ast.MetaStmt(meta_mcode name,keep,seqible,inherited) | |
855 | | Ast.MetaStmtList(name,keep,inherited) -> | |
856 | Ast.MetaStmtList(meta_mcode name,keep,inherited) | |
857 | | Ast.MetaRuleElem(name,keep,inherited) -> | |
858 | Ast.MetaRuleElem(meta_mcode name,keep,inherited) | |
859 | | Ast.Exp(exp) -> Ast.Exp(expression exp) | |
860 | | Ast.TopExp(exp) -> Ast.TopExp(expression exp) | |
861 | | Ast.Ty(ty) -> Ast.Ty(fullType ty) | |
862 | | Ast.TopInit(init) -> Ast.TopInit(initialiser init) | |
863 | | Ast.Include(inc,name) -> | |
864 | Ast.Include(string_mcode inc,inc_file_mcode name) | |
865 | | Ast.DefineHeader(def,id,params) -> | |
866 | Ast.DefineHeader(string_mcode def,ident id, | |
867 | define_parameters params) | |
868 | | Ast.Default(def,colon) -> | |
869 | Ast.Default(string_mcode def,string_mcode colon) | |
870 | | Ast.Case(case,exp,colon) -> | |
871 | Ast.Case(string_mcode case,expression exp,string_mcode colon) | |
872 | | Ast.DisjRuleElem(res) -> Ast.DisjRuleElem(List.map rule_elem res)) in | |
873 | rulefn all_functions k re | |
874 | ||
875 | (* not parameterizable for now... *) | |
876 | and define_parameters p = | |
877 | let k p = | |
878 | Ast.rewrap p | |
879 | (match Ast.unwrap p with | |
880 | Ast.NoParams -> Ast.NoParams | |
881 | | Ast.DParams(lp,params,rp) -> | |
882 | Ast.DParams(string_mcode lp,define_param_dots params, | |
883 | string_mcode rp)) in | |
884 | k p | |
885 | ||
886 | and define_param_dots d = | |
887 | let k d = | |
888 | Ast.rewrap d | |
889 | (match Ast.unwrap d with | |
890 | Ast.DOTS(l) -> Ast.DOTS(List.map define_param l) | |
891 | | Ast.CIRCLES(l) -> Ast.CIRCLES(List.map define_param l) | |
892 | | Ast.STARS(l) -> Ast.STARS(List.map define_param l)) in | |
893 | k d | |
894 | ||
895 | and define_param p = | |
896 | let k p = | |
897 | Ast.rewrap p | |
898 | (match Ast.unwrap p with | |
899 | Ast.DParam(id) -> Ast.DParam(ident id) | |
900 | | Ast.DPComma(comma) -> Ast.DPComma(string_mcode comma) | |
901 | | Ast.DPdots(d) -> Ast.DPdots(string_mcode d) | |
902 | | Ast.DPcircles(c) -> Ast.DPcircles(string_mcode c) | |
903 | | Ast.OptDParam(dp) -> Ast.OptDParam(define_param dp) | |
904 | | Ast.UniqueDParam(dp) -> Ast.UniqueDParam(define_param dp)) in | |
905 | k p | |
906 | ||
907 | and process_bef_aft s = | |
908 | Ast.set_dots_bef_aft | |
909 | (match Ast.get_dots_bef_aft s with | |
910 | Ast.NoDots -> Ast.NoDots | |
911 | | Ast.DroppingBetweenDots(stm,ind) -> | |
912 | Ast.DroppingBetweenDots(statement stm,ind) | |
913 | | Ast.AddingBetweenDots(stm,ind) -> | |
914 | Ast.AddingBetweenDots(statement stm,ind)) | |
915 | s | |
916 | ||
917 | and statement s = | |
918 | let k s = | |
919 | Ast.rewrap s | |
920 | (match Ast.unwrap s with | |
921 | Ast.Seq(lbrace,decls,body,rbrace) -> | |
922 | Ast.Seq(rule_elem lbrace, statement_dots decls, | |
923 | statement_dots body, rule_elem rbrace) | |
924 | | Ast.IfThen(header,branch,aft) -> | |
925 | Ast.IfThen(rule_elem header, statement branch,aft) | |
926 | | Ast.IfThenElse(header,branch1,els,branch2,aft) -> | |
927 | Ast.IfThenElse(rule_elem header, statement branch1, rule_elem els, | |
928 | statement branch2, aft) | |
929 | | Ast.While(header,body,aft) -> | |
930 | Ast.While(rule_elem header, statement body, aft) | |
931 | | Ast.Do(header,body,tail) -> | |
932 | Ast.Do(rule_elem header, statement body, rule_elem tail) | |
933 | | Ast.For(header,body,aft) -> | |
934 | Ast.For(rule_elem header, statement body, aft) | |
935 | | Ast.Iterator(header,body,aft) -> | |
936 | Ast.Iterator(rule_elem header, statement body, aft) | |
937 | | Ast.Switch(header,lb,cases,rb) -> | |
938 | Ast.Switch(rule_elem header,rule_elem lb, | |
939 | List.map case_line cases,rule_elem rb) | |
940 | | Ast.Atomic(re) -> Ast.Atomic(rule_elem re) | |
941 | | Ast.Disj(stmt_dots_list) -> | |
942 | Ast.Disj (List.map statement_dots stmt_dots_list) | |
943 | | Ast.Nest(stmt_dots,whn,multi,bef,aft) -> | |
944 | Ast.Nest(statement_dots stmt_dots, | |
945 | List.map (whencode statement_dots statement) whn, | |
946 | multi,bef,aft) | |
947 | | Ast.FunDecl(header,lbrace,decls,body,rbrace) -> | |
948 | Ast.FunDecl(rule_elem header,rule_elem lbrace, | |
949 | statement_dots decls, | |
950 | statement_dots body, rule_elem rbrace) | |
951 | | Ast.Define(header,body) -> | |
952 | Ast.Define(rule_elem header,statement_dots body) | |
953 | | Ast.Dots(d,whn,bef,aft) -> | |
954 | Ast.Dots(string_mcode d, | |
955 | List.map (whencode statement_dots statement) whn,bef,aft) | |
956 | | Ast.Circles(d,whn,bef,aft) -> | |
957 | Ast.Circles(string_mcode d, | |
958 | List.map (whencode statement_dots statement) whn, | |
959 | bef,aft) | |
960 | | Ast.Stars(d,whn,bef,aft) -> | |
961 | Ast.Stars(string_mcode d, | |
962 | List.map (whencode statement_dots statement) whn,bef,aft) | |
963 | | Ast.OptStm(stmt) -> Ast.OptStm(statement stmt) | |
964 | | Ast.UniqueStm(stmt) -> Ast.UniqueStm(statement stmt)) in | |
965 | let s = stmtfn all_functions k s in | |
966 | (* better to do this after, in case there is an equality test on the whole | |
967 | statement, eg in free_vars. equality test would require that this | |
968 | subterm not already be changed *) | |
969 | process_bef_aft s | |
970 | ||
971 | and fninfo = function | |
972 | Ast.FStorage(stg) -> Ast.FStorage(storage_mcode stg) | |
973 | | Ast.FType(ty) -> Ast.FType(fullType ty) | |
974 | | Ast.FInline(inline) -> Ast.FInline(string_mcode inline) | |
975 | | Ast.FAttr(attr) -> Ast.FAttr(string_mcode attr) | |
976 | ||
977 | and whencode notfn alwaysfn = function | |
978 | Ast.WhenNot a -> Ast.WhenNot (notfn a) | |
979 | | Ast.WhenAlways a -> Ast.WhenAlways (alwaysfn a) | |
980 | | Ast.WhenModifier(x) -> Ast.WhenModifier(x) | |
981 | | Ast.WhenNotTrue(e) -> Ast.WhenNotTrue(rule_elem e) | |
982 | | Ast.WhenNotFalse(e) -> Ast.WhenNotFalse(rule_elem e) | |
983 | ||
984 | and case_line c = | |
985 | let k c = | |
986 | Ast.rewrap c | |
987 | (match Ast.unwrap c with | |
988 | Ast.CaseLine(header,code) -> | |
989 | Ast.CaseLine(rule_elem header,statement_dots code) | |
990 | | Ast.OptCase(case) -> Ast.OptCase(case_line case)) in | |
991 | casefn all_functions k c | |
992 | ||
993 | and top_level t = | |
994 | let k t = | |
995 | Ast.rewrap t | |
996 | (match Ast.unwrap t with | |
997 | Ast.FILEINFO(old_file,new_file) -> | |
998 | Ast.FILEINFO (string_mcode old_file, string_mcode new_file) | |
999 | | Ast.DECL(stmt) -> Ast.DECL(statement stmt) | |
1000 | | Ast.CODE(stmt_dots) -> Ast.CODE(statement_dots stmt_dots) | |
1001 | | Ast.ERRORWORDS(exps) -> Ast.ERRORWORDS (List.map expression exps)) in | |
1002 | topfn all_functions k t | |
1003 | ||
1004 | and anything a = | |
1005 | let k = function | |
1006 | (*in many cases below, the thing is not even mcode, so we do nothing*) | |
1007 | Ast.FullTypeTag(ft) -> Ast.FullTypeTag(fullType ft) | |
1008 | | Ast.BaseTypeTag(bt) as x -> x | |
1009 | | Ast.StructUnionTag(su) as x -> x | |
1010 | | Ast.SignTag(sgn) as x -> x | |
1011 | | Ast.IdentTag(id) -> Ast.IdentTag(ident id) | |
1012 | | Ast.ExpressionTag(exp) -> Ast.ExpressionTag(expression exp) | |
1013 | | Ast.ConstantTag(cst) as x -> x | |
1014 | | Ast.UnaryOpTag(unop) as x -> x | |
1015 | | Ast.AssignOpTag(asgnop) as x -> x | |
1016 | | Ast.FixOpTag(fixop) as x -> x | |
1017 | | Ast.BinaryOpTag(binop) as x -> x | |
1018 | | Ast.ArithOpTag(arithop) as x -> x | |
1019 | | Ast.LogicalOpTag(logop) as x -> x | |
1020 | | Ast.InitTag(decl) -> Ast.InitTag(initialiser decl) | |
1021 | | Ast.DeclarationTag(decl) -> Ast.DeclarationTag(declaration decl) | |
1022 | | Ast.StorageTag(stg) as x -> x | |
1023 | | Ast.IncFileTag(stg) as x -> x | |
1024 | | Ast.Rule_elemTag(rule) -> Ast.Rule_elemTag(rule_elem rule) | |
1025 | | Ast.StatementTag(rule) -> Ast.StatementTag(statement rule) | |
1026 | | Ast.CaseLineTag(case) -> Ast.CaseLineTag(case_line case) | |
1027 | | Ast.ConstVolTag(cv) as x -> x | |
1028 | | Ast.Token(tok,info) as x -> x | |
1029 | | Ast.Code(cd) -> Ast.Code(top_level cd) | |
1030 | | Ast.ExprDotsTag(ed) -> Ast.ExprDotsTag(expression_dots ed) | |
1031 | | Ast.ParamDotsTag(pd) -> Ast.ParamDotsTag(parameter_dots pd) | |
1032 | | Ast.StmtDotsTag(sd) -> Ast.StmtDotsTag(statement_dots sd) | |
1033 | | Ast.DeclDotsTag(sd) -> Ast.DeclDotsTag(declaration_dots sd) | |
1034 | | Ast.TypeCTag(ty) -> Ast.TypeCTag(typeC ty) | |
1035 | | Ast.ParamTag(param) -> Ast.ParamTag(parameterTypeDef param) | |
1036 | | Ast.SgrepStartTag(tok) as x -> x | |
1037 | | Ast.SgrepEndTag(tok) as x -> x in | |
1038 | anyfn all_functions k a | |
1039 | ||
1040 | and all_functions = | |
1041 | {rebuilder_ident = ident; | |
1042 | rebuilder_expression = expression; | |
1043 | rebuilder_fullType= fullType; | |
1044 | rebuilder_typeC = typeC; | |
1045 | rebuilder_declaration = declaration; | |
1046 | rebuilder_initialiser = initialiser; | |
1047 | rebuilder_parameter = parameterTypeDef; | |
1048 | rebuilder_parameter_list = parameter_dots; | |
1049 | rebuilder_rule_elem = rule_elem; | |
1050 | rebuilder_statement = statement; | |
1051 | rebuilder_case_line = case_line; | |
1052 | rebuilder_top_level = top_level; | |
1053 | rebuilder_expression_dots = expression_dots; | |
1054 | rebuilder_statement_dots = statement_dots; | |
1055 | rebuilder_declaration_dots = declaration_dots; | |
1056 | rebuilder_define_param_dots = define_param_dots; | |
1057 | rebuilder_define_param = define_param; | |
1058 | rebuilder_define_parameters = define_parameters; | |
1059 | rebuilder_anything = anything} in | |
1060 | all_functions | |
1061 |