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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 | (* Computes starting and ending logical lines for statements and | |
24 | expressions. every node gets an index as well. *) | |
25 | ||
26 | module Ast0 = Ast0_cocci | |
27 | module Ast = Ast_cocci | |
28 | ||
29 | (* --------------------------------------------------------------------- *) | |
30 | (* Result *) | |
31 | ||
32 | let mkres x e left right = | |
33 | let lstart = Ast0.get_info left in | |
34 | let lend = Ast0.get_info right in | |
35 | let info = | |
36 | { Ast0.line_start = lstart.Ast0.line_start; | |
37 | Ast0.line_end = lend.Ast0.line_end; | |
38 | Ast0.logical_start = lstart.Ast0.logical_start; | |
39 | Ast0.logical_end = lend.Ast0.logical_end; | |
40 | Ast0.attachable_start = lstart.Ast0.attachable_start; | |
41 | Ast0.attachable_end = lend.Ast0.attachable_end; | |
42 | Ast0.mcode_start = lstart.Ast0.mcode_start; | |
43 | Ast0.mcode_end = lend.Ast0.mcode_end; | |
44 | Ast0.column = lstart.Ast0.column; | |
45 | Ast0.offset = lstart.Ast0.offset; | |
46 | (* only for tokens, not inherited upwards *) | |
47 | Ast0.strings_before = []; Ast0.strings_after = []} in | |
48 | {x with Ast0.node = e; Ast0.info = info} | |
49 | ||
50 | let mkmultires x e left right (astart,start_mcodes) (aend,end_mcodes) = | |
51 | let lstart = Ast0.get_info left in | |
52 | let lend = Ast0.get_info right in | |
53 | let info = | |
54 | { Ast0.line_start = lstart.Ast0.line_start; | |
55 | Ast0.line_end = lend.Ast0.line_end; | |
56 | Ast0.logical_start = lstart.Ast0.logical_start; | |
57 | Ast0.logical_end = lend.Ast0.logical_end; | |
58 | Ast0.attachable_start = astart; | |
59 | Ast0.attachable_end = aend; | |
60 | Ast0.mcode_start = start_mcodes; | |
61 | Ast0.mcode_end = end_mcodes; | |
62 | Ast0.column = lstart.Ast0.column; | |
63 | Ast0.offset = lstart.Ast0.offset; | |
64 | (* only for tokens, not inherited upwards *) | |
65 | Ast0.strings_before = []; Ast0.strings_after = [] } in | |
66 | {x with Ast0.node = e; Ast0.info = info} | |
67 | ||
68 | (* --------------------------------------------------------------------- *) | |
69 | ||
70 | let get_option fn = function | |
71 | None -> None | |
72 | | Some x -> Some (fn x) | |
73 | ||
74 | (* --------------------------------------------------------------------- *) | |
75 | (* --------------------------------------------------------------------- *) | |
76 | (* Mcode *) | |
77 | ||
78 | let promote_mcode (_,_,info,mcodekind,_) = | |
79 | let new_info = | |
80 | {info with | |
81 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]} in | |
82 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
83 | ||
84 | let promote_mcode_plus_one (_,_,info,mcodekind,_) = | |
85 | let new_info = | |
86 | {info with | |
87 | Ast0.line_start = info.Ast0.line_start + 1; | |
88 | Ast0.logical_start = info.Ast0.logical_start + 1; | |
89 | Ast0.line_end = info.Ast0.line_end + 1; | |
90 | Ast0.logical_end = info.Ast0.logical_end + 1; | |
91 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]} in | |
92 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
93 | ||
94 | let promote_to_statement stm mcodekind = | |
95 | let info = Ast0.get_info stm in | |
96 | let new_info = | |
97 | {info with | |
98 | Ast0.logical_start = info.Ast0.logical_end; | |
99 | Ast0.line_start = info.Ast0.line_end; | |
100 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]; | |
101 | Ast0.attachable_start = true; Ast0.attachable_end = true} in | |
102 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
103 | ||
104 | let promote_to_statement_start stm mcodekind = | |
105 | let info = Ast0.get_info stm in | |
106 | let new_info = | |
107 | {info with | |
108 | Ast0.logical_end = info.Ast0.logical_start; | |
109 | Ast0.line_end = info.Ast0.line_start; | |
110 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]; | |
111 | Ast0.attachable_start = true; Ast0.attachable_end = true} in | |
112 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
113 | ||
114 | (* mcode is good by default *) | |
115 | let bad_mcode (t,a,info,mcodekind,pos) = | |
116 | let new_info = | |
117 | {info with Ast0.attachable_start = false; Ast0.attachable_end = false} in | |
118 | (t,a,new_info,mcodekind,pos) | |
119 | ||
120 | let get_all_start_info l = | |
121 | (List.for_all (function x -> (Ast0.get_info x).Ast0.attachable_start) l, | |
122 | List.concat (List.map (function x -> (Ast0.get_info x).Ast0.mcode_start) l)) | |
123 | ||
124 | let get_all_end_info l = | |
125 | (List.for_all (function x -> (Ast0.get_info x).Ast0.attachable_end) l, | |
126 | List.concat (List.map (function x -> (Ast0.get_info x).Ast0.mcode_end) l)) | |
127 | ||
128 | (* --------------------------------------------------------------------- *) | |
129 | (* Dots *) | |
130 | ||
131 | (* for the logline classification and the mcode field, on both sides, skip | |
132 | over initial minus dots, as they don't contribute anything *) | |
133 | let dot_list is_dots fn = function | |
134 | [] -> failwith "dots should not be empty" | |
135 | | l -> | |
136 | let get_node l fn = | |
137 | let first = List.hd l in | |
138 | let chosen = | |
139 | match (is_dots first, l) with (true,_::x::_) -> x | _ -> first in | |
140 | (* get the logline decorator and the mcodekind of the chosen node *) | |
141 | fn (Ast0.get_info chosen) in | |
142 | let forward = List.map fn l in | |
143 | let backward = List.rev forward in | |
144 | let (first_attachable,first_mcode) = | |
145 | get_node forward | |
146 | (function x -> (x.Ast0.attachable_start,x.Ast0.mcode_start)) in | |
147 | let (last_attachable,last_mcode) = | |
148 | get_node backward | |
149 | (function x -> (x.Ast0.attachable_end,x.Ast0.mcode_end)) in | |
150 | let first = List.hd forward in | |
151 | let last = List.hd backward in | |
152 | let first_info = | |
153 | { (Ast0.get_info first) with | |
154 | Ast0.attachable_start = first_attachable; | |
155 | Ast0.mcode_start = first_mcode } in | |
156 | let last_info = | |
157 | { (Ast0.get_info last) with | |
158 | Ast0.attachable_end = last_attachable; | |
159 | Ast0.mcode_end = last_mcode } in | |
160 | let first = Ast0.set_info first first_info in | |
161 | let last = Ast0.set_info last last_info in | |
162 | (forward,first,last) | |
163 | ||
164 | let dots is_dots prev fn d = | |
165 | match (prev,Ast0.unwrap d) with | |
166 | (Some prev,Ast0.DOTS([])) -> | |
167 | mkres d (Ast0.DOTS []) prev prev | |
168 | | (None,Ast0.DOTS([])) -> | |
169 | Ast0.set_info d | |
170 | {(Ast0.get_info d) | |
171 | with Ast0.attachable_start = false; Ast0.attachable_end = false} | |
172 | | (_,Ast0.DOTS(x)) -> | |
173 | let (l,lstart,lend) = dot_list is_dots fn x in | |
174 | mkres d (Ast0.DOTS l) lstart lend | |
175 | | (_,Ast0.CIRCLES(x)) -> | |
176 | let (l,lstart,lend) = dot_list is_dots fn x in | |
177 | mkres d (Ast0.CIRCLES l) lstart lend | |
178 | | (_,Ast0.STARS(x)) -> | |
179 | let (l,lstart,lend) = dot_list is_dots fn x in | |
180 | mkres d (Ast0.STARS l) lstart lend | |
181 | ||
182 | (* --------------------------------------------------------------------- *) | |
183 | (* Identifier *) | |
184 | ||
185 | let rec ident i = | |
186 | match Ast0.unwrap i with | |
187 | Ast0.Id(name) as ui -> | |
188 | let name = promote_mcode name in mkres i ui name name | |
189 | | Ast0.MetaId(name,_,_) | |
190 | | Ast0.MetaFunc(name,_,_) | Ast0.MetaLocalFunc(name,_,_) as ui -> | |
191 | let name = promote_mcode name in mkres i ui name name | |
192 | | Ast0.OptIdent(id) -> | |
193 | let id = ident id in mkres i (Ast0.OptIdent(id)) id id | |
194 | | Ast0.UniqueIdent(id) -> | |
195 | let id = ident id in mkres i (Ast0.UniqueIdent(id)) id id | |
196 | ||
197 | (* --------------------------------------------------------------------- *) | |
198 | (* Expression *) | |
199 | ||
200 | let is_exp_dots e = | |
201 | match Ast0.unwrap e with | |
202 | Ast0.Edots(_,_) | Ast0.Ecircles(_,_) | Ast0.Estars(_,_) -> true | |
203 | | _ -> false | |
204 | ||
205 | let rec expression e = | |
206 | match Ast0.unwrap e with | |
207 | Ast0.Ident(id) -> | |
208 | let id = ident id in | |
209 | mkres e (Ast0.Ident(id)) id id | |
210 | | Ast0.Constant(const) as ue -> | |
211 | let ln = promote_mcode const in | |
212 | mkres e ue ln ln | |
213 | | Ast0.FunCall(fn,lp,args,rp) -> | |
214 | let fn = expression fn in | |
215 | let args = dots is_exp_dots (Some(promote_mcode lp)) expression args in | |
216 | mkres e (Ast0.FunCall(fn,lp,args,rp)) fn (promote_mcode rp) | |
217 | | Ast0.Assignment(left,op,right,simple) -> | |
218 | let left = expression left in | |
219 | let right = expression right in | |
220 | mkres e (Ast0.Assignment(left,op,right,simple)) left right | |
221 | | Ast0.CondExpr(exp1,why,exp2,colon,exp3) -> | |
222 | let exp1 = expression exp1 in | |
223 | let exp2 = get_option expression exp2 in | |
224 | let exp3 = expression exp3 in | |
225 | mkres e (Ast0.CondExpr(exp1,why,exp2,colon,exp3)) exp1 exp3 | |
226 | | Ast0.Postfix(exp,op) -> | |
227 | let exp = expression exp in | |
228 | mkres e (Ast0.Postfix(exp,op)) exp (promote_mcode op) | |
229 | | Ast0.Infix(exp,op) -> | |
230 | let exp = expression exp in | |
231 | mkres e (Ast0.Infix(exp,op)) (promote_mcode op) exp | |
232 | | Ast0.Unary(exp,op) -> | |
233 | let exp = expression exp in | |
234 | mkres e (Ast0.Unary(exp,op)) (promote_mcode op) exp | |
235 | | Ast0.Binary(left,op,right) -> | |
236 | let left = expression left in | |
237 | let right = expression right in | |
238 | mkres e (Ast0.Binary(left,op,right)) left right | |
239 | | Ast0.Nested(left,op,right) -> | |
240 | let left = expression left in | |
241 | let right = expression right in | |
242 | mkres e (Ast0.Nested(left,op,right)) left right | |
243 | | Ast0.Paren(lp,exp,rp) -> | |
244 | mkres e (Ast0.Paren(lp,expression exp,rp)) | |
245 | (promote_mcode lp) (promote_mcode rp) | |
246 | | Ast0.ArrayAccess(exp1,lb,exp2,rb) -> | |
247 | let exp1 = expression exp1 in | |
248 | let exp2 = expression exp2 in | |
249 | mkres e (Ast0.ArrayAccess(exp1,lb,exp2,rb)) exp1 (promote_mcode rb) | |
250 | | Ast0.RecordAccess(exp,pt,field) -> | |
251 | let exp = expression exp in | |
252 | let field = ident field in | |
253 | mkres e (Ast0.RecordAccess(exp,pt,field)) exp field | |
254 | | Ast0.RecordPtAccess(exp,ar,field) -> | |
255 | let exp = expression exp in | |
256 | let field = ident field in | |
257 | mkres e (Ast0.RecordPtAccess(exp,ar,field)) exp field | |
258 | | Ast0.Cast(lp,ty,rp,exp) -> | |
259 | let exp = expression exp in | |
260 | mkres e (Ast0.Cast(lp,typeC ty,rp,exp)) (promote_mcode lp) exp | |
261 | | Ast0.SizeOfExpr(szf,exp) -> | |
262 | let exp = expression exp in | |
263 | mkres e (Ast0.SizeOfExpr(szf,exp)) (promote_mcode szf) exp | |
264 | | Ast0.SizeOfType(szf,lp,ty,rp) -> | |
265 | mkres e (Ast0.SizeOfType(szf,lp,typeC ty,rp)) | |
266 | (promote_mcode szf) (promote_mcode rp) | |
267 | | Ast0.TypeExp(ty) -> | |
268 | let ty = typeC ty in mkres e (Ast0.TypeExp(ty)) ty ty | |
269 | | Ast0.MetaErr(name,_,_) | Ast0.MetaExpr(name,_,_,_,_) | |
270 | | Ast0.MetaExprList(name,_,_) as ue -> | |
271 | let ln = promote_mcode name in mkres e ue ln ln | |
272 | | Ast0.EComma(cm) -> | |
273 | let cm = bad_mcode cm in | |
274 | let ln = promote_mcode cm in | |
275 | mkres e (Ast0.EComma(cm)) ln ln | |
276 | | Ast0.DisjExpr(starter,exps,mids,ender) -> | |
277 | let starter = bad_mcode starter in | |
278 | let exps = List.map expression exps in | |
279 | let mids = List.map bad_mcode mids in | |
280 | let ender = bad_mcode ender in | |
281 | mkmultires e (Ast0.DisjExpr(starter,exps,mids,ender)) | |
282 | (promote_mcode starter) (promote_mcode ender) | |
283 | (get_all_start_info exps) (get_all_end_info exps) | |
284 | | Ast0.NestExpr(starter,exp_dots,ender,whencode,multi) -> | |
285 | let exp_dots = dots is_exp_dots None expression exp_dots in | |
286 | let starter = bad_mcode starter in | |
287 | let ender = bad_mcode ender in | |
288 | mkres e (Ast0.NestExpr(starter,exp_dots,ender,whencode,multi)) | |
289 | (promote_mcode starter) (promote_mcode ender) | |
290 | | Ast0.Edots(dots,whencode) -> | |
291 | let dots = bad_mcode dots in | |
292 | let ln = promote_mcode dots in | |
293 | mkres e (Ast0.Edots(dots,whencode)) ln ln | |
294 | | Ast0.Ecircles(dots,whencode) -> | |
295 | let dots = bad_mcode dots in | |
296 | let ln = promote_mcode dots in | |
297 | mkres e (Ast0.Ecircles(dots,whencode)) ln ln | |
298 | | Ast0.Estars(dots,whencode) -> | |
299 | let dots = bad_mcode dots in | |
300 | let ln = promote_mcode dots in | |
301 | mkres e (Ast0.Estars(dots,whencode)) ln ln | |
302 | | Ast0.OptExp(exp) -> | |
303 | let exp = expression exp in | |
304 | mkres e (Ast0.OptExp(exp)) exp exp | |
305 | | Ast0.UniqueExp(exp) -> | |
306 | let exp = expression exp in | |
307 | mkres e (Ast0.UniqueExp(exp)) exp exp | |
308 | ||
309 | and expression_dots x = dots is_exp_dots None expression x | |
310 | ||
311 | (* --------------------------------------------------------------------- *) | |
312 | (* Types *) | |
313 | ||
314 | and typeC t = | |
315 | match Ast0.unwrap t with | |
316 | Ast0.ConstVol(cv,ty) -> | |
317 | let ty = typeC ty in | |
318 | mkres t (Ast0.ConstVol(cv,ty)) (promote_mcode cv) ty | |
319 | | Ast0.BaseType(ty,strings) as ut -> | |
320 | let first = List.hd strings in | |
321 | let last = List.hd (List.rev strings) in | |
322 | mkres t ut (promote_mcode first) (promote_mcode last) | |
323 | | Ast0.Signed(sgn,None) as ut -> | |
324 | mkres t ut (promote_mcode sgn) (promote_mcode sgn) | |
325 | | Ast0.Signed(sgn,Some ty) -> | |
326 | let ty = typeC ty in | |
327 | mkres t (Ast0.Signed(sgn,Some ty)) (promote_mcode sgn) ty | |
328 | | Ast0.Pointer(ty,star) -> | |
329 | let ty = typeC ty in | |
330 | mkres t (Ast0.Pointer(ty,star)) ty (promote_mcode star) | |
331 | | Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> | |
332 | let ty = typeC ty in | |
333 | let params = parameter_list (Some(promote_mcode lp2)) params in | |
334 | mkres t (Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2)) | |
335 | ty (promote_mcode rp2) | |
336 | | Ast0.FunctionType(Some ty,lp1,params,rp1) -> | |
337 | let ty = typeC ty in | |
338 | let params = parameter_list (Some(promote_mcode lp1)) params in | |
339 | let res = Ast0.FunctionType(Some ty,lp1,params,rp1) in | |
340 | mkres t res ty (promote_mcode rp1) | |
341 | | Ast0.FunctionType(None,lp1,params,rp1) -> | |
342 | let params = parameter_list (Some(promote_mcode lp1)) params in | |
343 | let res = Ast0.FunctionType(None,lp1,params,rp1) in | |
344 | mkres t res (promote_mcode lp1) (promote_mcode rp1) | |
345 | | Ast0.Array(ty,lb,size,rb) -> | |
346 | let ty = typeC ty in | |
347 | mkres t (Ast0.Array(ty,lb,get_option expression size,rb)) | |
348 | ty (promote_mcode rb) | |
349 | | Ast0.EnumName(kind,name) -> | |
350 | let name = ident name in | |
351 | mkres t (Ast0.EnumName(kind,name)) (promote_mcode kind) name | |
352 | | Ast0.StructUnionName(kind,Some name) -> | |
353 | let name = ident name in | |
354 | mkres t (Ast0.StructUnionName(kind,Some name)) (promote_mcode kind) name | |
355 | | Ast0.StructUnionName(kind,None) -> | |
356 | let mc = promote_mcode kind in | |
357 | mkres t (Ast0.StructUnionName(kind,None)) mc mc | |
358 | | Ast0.StructUnionDef(ty,lb,decls,rb) -> | |
359 | let ty = typeC ty in | |
360 | let decls = | |
361 | dots is_decl_dots (Some(promote_mcode lb)) declaration decls in | |
362 | mkres t (Ast0.StructUnionDef(ty,lb,decls,rb)) ty (promote_mcode rb) | |
363 | | Ast0.TypeName(name) as ut -> | |
364 | let ln = promote_mcode name in mkres t ut ln ln | |
365 | | Ast0.MetaType(name,_) as ut -> | |
366 | let ln = promote_mcode name in mkres t ut ln ln | |
367 | | Ast0.DisjType(starter,types,mids,ender) -> | |
368 | let starter = bad_mcode starter in | |
369 | let types = List.map typeC types in | |
370 | let mids = List.map bad_mcode mids in | |
371 | let ender = bad_mcode ender in | |
372 | mkmultires t (Ast0.DisjType(starter,types,mids,ender)) | |
373 | (promote_mcode starter) (promote_mcode ender) | |
374 | (get_all_start_info types) (get_all_end_info types) | |
375 | | Ast0.OptType(ty) -> | |
376 | let ty = typeC ty in mkres t (Ast0.OptType(ty)) ty ty | |
377 | | Ast0.UniqueType(ty) -> | |
378 | let ty = typeC ty in mkres t (Ast0.UniqueType(ty)) ty ty | |
379 | ||
380 | (* --------------------------------------------------------------------- *) | |
381 | (* Variable declaration *) | |
382 | (* Even if the Cocci program specifies a list of declarations, they are | |
383 | split out into multiple declarations of a single variable each. *) | |
384 | ||
385 | and is_decl_dots s = | |
386 | match Ast0.unwrap s with | |
387 | Ast0.Ddots(_,_) -> true | |
388 | | _ -> false | |
389 | ||
390 | and declaration d = | |
391 | match Ast0.unwrap d with | |
392 | Ast0.Init(stg,ty,id,eq,exp,sem) -> | |
393 | let ty = typeC ty in | |
394 | let id = ident id in | |
395 | let exp = initialiser exp in | |
396 | (match stg with | |
397 | None -> | |
398 | mkres d (Ast0.Init(stg,ty,id,eq,exp,sem)) ty (promote_mcode sem) | |
399 | | Some x -> | |
400 | mkres d (Ast0.Init(stg,ty,id,eq,exp,sem)) | |
401 | (promote_mcode x) (promote_mcode sem)) | |
402 | | Ast0.UnInit(stg,ty,id,sem) -> | |
403 | let ty = typeC ty in | |
404 | let id = ident id in | |
405 | (match stg with | |
406 | None -> | |
407 | mkres d (Ast0.UnInit(stg,ty,id,sem)) ty (promote_mcode sem) | |
408 | | Some x -> | |
409 | mkres d (Ast0.UnInit(stg,ty,id,sem)) | |
410 | (promote_mcode x) (promote_mcode sem)) | |
411 | | Ast0.MacroDecl(name,lp,args,rp,sem) -> | |
412 | let name = ident name in | |
413 | let args = dots is_exp_dots (Some(promote_mcode lp)) expression args in | |
414 | mkres d (Ast0.MacroDecl(name,lp,args,rp,sem)) name (promote_mcode sem) | |
415 | | Ast0.TyDecl(ty,sem) -> | |
416 | let ty = typeC ty in | |
417 | mkres d (Ast0.TyDecl(ty,sem)) ty (promote_mcode sem) | |
418 | | Ast0.Typedef(stg,ty,id,sem) -> | |
419 | let ty = typeC ty in | |
420 | let id = typeC id in | |
421 | mkres d (Ast0.Typedef(stg,ty,id,sem)) | |
422 | (promote_mcode stg) (promote_mcode sem) | |
423 | | Ast0.DisjDecl(starter,decls,mids,ender) -> | |
424 | let starter = bad_mcode starter in | |
425 | let decls = List.map declaration decls in | |
426 | let mids = List.map bad_mcode mids in | |
427 | let ender = bad_mcode ender in | |
428 | mkmultires d (Ast0.DisjDecl(starter,decls,mids,ender)) | |
429 | (promote_mcode starter) (promote_mcode ender) | |
430 | (get_all_start_info decls) (get_all_end_info decls) | |
431 | | Ast0.Ddots(dots,whencode) -> | |
432 | let dots = bad_mcode dots in | |
433 | let ln = promote_mcode dots in | |
434 | mkres d (Ast0.Ddots(dots,whencode)) ln ln | |
435 | | Ast0.OptDecl(decl) -> | |
436 | let decl = declaration decl in | |
437 | mkres d (Ast0.OptDecl(declaration decl)) decl decl | |
438 | | Ast0.UniqueDecl(decl) -> | |
439 | let decl = declaration decl in | |
440 | mkres d (Ast0.UniqueDecl(declaration decl)) decl decl | |
441 | ||
442 | (* --------------------------------------------------------------------- *) | |
443 | (* Initializer *) | |
444 | ||
445 | and is_init_dots i = | |
446 | match Ast0.unwrap i with | |
447 | Ast0.Idots(_,_) -> true | |
448 | | _ -> false | |
449 | ||
450 | and initialiser i = | |
451 | match Ast0.unwrap i with | |
452 | Ast0.InitExpr(exp) -> | |
453 | let exp = expression exp in | |
454 | mkres i (Ast0.InitExpr(exp)) exp exp | |
455 | | Ast0.InitList(lb,initlist,rb) -> | |
456 | let initlist = | |
457 | dots is_init_dots (Some(promote_mcode lb)) initialiser initlist in | |
458 | mkres i (Ast0.InitList(lb,initlist,rb)) | |
459 | (promote_mcode lb) (promote_mcode rb) | |
460 | | Ast0.InitGccDotName(dot,name,eq,ini) -> | |
461 | let name = ident name in | |
462 | let ini = initialiser ini in | |
463 | mkres i (Ast0.InitGccDotName(dot,name,eq,ini)) (promote_mcode dot) ini | |
464 | | Ast0.InitGccName(name,eq,ini) -> | |
465 | let name = ident name in | |
466 | let ini = initialiser ini in | |
467 | mkres i (Ast0.InitGccName(name,eq,ini)) name ini | |
468 | | Ast0.InitGccIndex(lb,exp,rb,eq,ini) -> | |
469 | let exp = expression exp in | |
470 | let ini = initialiser ini in | |
471 | mkres i (Ast0.InitGccIndex(lb,exp,rb,eq,ini)) (promote_mcode lb) ini | |
472 | | Ast0.InitGccRange(lb,exp1,dots,exp2,rb,eq,ini) -> | |
473 | let exp1 = expression exp1 in | |
474 | let exp2 = expression exp2 in | |
475 | let ini = initialiser ini in | |
476 | mkres i (Ast0.InitGccRange(lb,exp1,dots,exp2,rb,eq,ini)) | |
477 | (promote_mcode lb) ini | |
478 | | Ast0.IComma(cm) as up -> | |
479 | let ln = promote_mcode cm in mkres i up ln ln | |
480 | | Ast0.Idots(dots,whencode) -> | |
481 | let dots = bad_mcode dots in | |
482 | let ln = promote_mcode dots in | |
483 | mkres i (Ast0.Idots(dots,whencode)) ln ln | |
484 | | Ast0.OptIni(ini) -> | |
485 | let ini = initialiser ini in | |
486 | mkres i (Ast0.OptIni(ini)) ini ini | |
487 | | Ast0.UniqueIni(ini) -> | |
488 | let ini = initialiser ini in | |
489 | mkres i (Ast0.UniqueIni(ini)) ini ini | |
490 | ||
491 | and initialiser_list prev = dots is_init_dots prev initialiser | |
492 | ||
493 | (* for export *) | |
494 | and initialiser_dots x = dots is_init_dots None initialiser x | |
495 | ||
496 | (* --------------------------------------------------------------------- *) | |
497 | (* Parameter *) | |
498 | ||
499 | and is_param_dots p = | |
500 | match Ast0.unwrap p with | |
501 | Ast0.Pdots(_) | Ast0.Pcircles(_) -> true | |
502 | | _ -> false | |
503 | ||
504 | and parameterTypeDef p = | |
505 | match Ast0.unwrap p with | |
506 | Ast0.VoidParam(ty) -> | |
507 | let ty = typeC ty in mkres p (Ast0.VoidParam(ty)) ty ty | |
508 | | Ast0.Param(ty,Some id) -> | |
509 | let id = ident id in | |
510 | let ty = typeC ty in mkres p (Ast0.Param(ty,Some id)) ty id | |
511 | | Ast0.Param(ty,None) -> | |
512 | let ty = typeC ty in mkres p (Ast0.Param(ty,None)) ty ty | |
513 | | Ast0.MetaParam(name,_) as up -> | |
514 | let ln = promote_mcode name in mkres p up ln ln | |
515 | | Ast0.MetaParamList(name,_,_) as up -> | |
516 | let ln = promote_mcode name in mkres p up ln ln | |
517 | | Ast0.PComma(cm) -> | |
518 | let cm = bad_mcode cm in | |
519 | let ln = promote_mcode cm in | |
520 | mkres p (Ast0.PComma(cm)) ln ln | |
521 | | Ast0.Pdots(dots) -> | |
522 | let dots = bad_mcode dots in | |
523 | let ln = promote_mcode dots in | |
524 | mkres p (Ast0.Pdots(dots)) ln ln | |
525 | | Ast0.Pcircles(dots) -> | |
526 | let dots = bad_mcode dots in | |
527 | let ln = promote_mcode dots in | |
528 | mkres p (Ast0.Pcircles(dots)) ln ln | |
529 | | Ast0.OptParam(param) -> | |
530 | let res = parameterTypeDef param in | |
531 | mkres p (Ast0.OptParam(res)) res res | |
532 | | Ast0.UniqueParam(param) -> | |
533 | let res = parameterTypeDef param in | |
534 | mkres p (Ast0.UniqueParam(res)) res res | |
535 | ||
536 | and parameter_list prev = dots is_param_dots prev parameterTypeDef | |
537 | ||
538 | (* for export *) | |
539 | let parameter_dots x = dots is_param_dots None parameterTypeDef x | |
540 | ||
541 | (* --------------------------------------------------------------------- *) | |
542 | (* Top-level code *) | |
543 | ||
544 | let is_stm_dots s = | |
545 | match Ast0.unwrap s with | |
546 | Ast0.Dots(_,_) | Ast0.Circles(_,_) | Ast0.Stars(_,_) -> true | |
547 | | _ -> false | |
548 | ||
549 | let rec statement s = | |
550 | let res = | |
551 | match Ast0.unwrap s with | |
552 | Ast0.Decl((_,bef),decl) -> | |
553 | let decl = declaration decl in | |
554 | let left = promote_to_statement_start decl bef in | |
555 | mkres s (Ast0.Decl((Ast0.get_info left,bef),decl)) decl decl | |
556 | | Ast0.Seq(lbrace,body,rbrace) -> | |
557 | let body = | |
558 | dots is_stm_dots (Some(promote_mcode lbrace)) statement body in | |
559 | mkres s (Ast0.Seq(lbrace,body,rbrace)) | |
560 | (promote_mcode lbrace) (promote_mcode rbrace) | |
561 | | Ast0.ExprStatement(exp,sem) -> | |
562 | let exp = expression exp in | |
563 | mkres s (Ast0.ExprStatement(exp,sem)) exp (promote_mcode sem) | |
564 | | Ast0.IfThen(iff,lp,exp,rp,branch,(_,aft)) -> | |
565 | let exp = expression exp in | |
566 | let branch = statement branch in | |
567 | let right = promote_to_statement branch aft in | |
568 | mkres s (Ast0.IfThen(iff,lp,exp,rp,branch,(Ast0.get_info right,aft))) | |
569 | (promote_mcode iff) right | |
570 | | Ast0.IfThenElse(iff,lp,exp,rp,branch1,els,branch2,(_,aft)) -> | |
571 | let exp = expression exp in | |
572 | let branch1 = statement branch1 in | |
573 | let branch2 = statement branch2 in | |
574 | let right = promote_to_statement branch2 aft in | |
575 | mkres s | |
576 | (Ast0.IfThenElse(iff,lp,exp,rp,branch1,els,branch2, | |
577 | (Ast0.get_info right,aft))) | |
578 | (promote_mcode iff) right | |
579 | | Ast0.While(wh,lp,exp,rp,body,(_,aft)) -> | |
580 | let exp = expression exp in | |
581 | let body = statement body in | |
582 | let right = promote_to_statement body aft in | |
583 | mkres s (Ast0.While(wh,lp,exp,rp,body,(Ast0.get_info right,aft))) | |
584 | (promote_mcode wh) right | |
585 | | Ast0.Do(d,body,wh,lp,exp,rp,sem) -> | |
586 | let body = statement body in | |
587 | let exp = expression exp in | |
588 | mkres s (Ast0.Do(d,body,wh,lp,exp,rp,sem)) | |
589 | (promote_mcode d) (promote_mcode sem) | |
590 | | Ast0.For(fr,lp,exp1,sem1,exp2,sem2,exp3,rp,body,(_,aft)) -> | |
591 | let exp1 = get_option expression exp1 in | |
592 | let exp2 = get_option expression exp2 in | |
593 | let exp3 = get_option expression exp3 in | |
594 | let body = statement body in | |
595 | let right = promote_to_statement body aft in | |
596 | mkres s (Ast0.For(fr,lp,exp1,sem1,exp2,sem2,exp3,rp,body, | |
597 | (Ast0.get_info right,aft))) | |
598 | (promote_mcode fr) right | |
599 | | Ast0.Iterator(nm,lp,args,rp,body,(_,aft)) -> | |
600 | let nm = ident nm in | |
601 | let args = dots is_exp_dots (Some(promote_mcode lp)) expression args in | |
602 | let body = statement body in | |
603 | let right = promote_to_statement body aft in | |
604 | mkres s (Ast0.Iterator(nm,lp,args,rp,body,(Ast0.get_info right,aft))) | |
605 | nm right | |
606 | | Ast0.Switch(switch,lp,exp,rp,lb,cases,rb) -> | |
607 | let exp = expression exp in | |
608 | let cases = | |
609 | dots (function _ -> false) (Some(promote_mcode lb)) case_line cases in | |
610 | mkres s | |
611 | (Ast0.Switch(switch,lp,exp,rp,lb,cases,rb)) | |
612 | (promote_mcode switch) (promote_mcode rb) | |
613 | | Ast0.Break(br,sem) as us -> | |
614 | mkres s us (promote_mcode br) (promote_mcode sem) | |
615 | | Ast0.Continue(cont,sem) as us -> | |
616 | mkres s us (promote_mcode cont) (promote_mcode sem) | |
617 | | Ast0.Label(l,dd) -> | |
618 | let l = ident l in | |
619 | mkres s (Ast0.Label(l,dd)) l (promote_mcode dd) | |
620 | | Ast0.Goto(goto,id,sem) -> | |
621 | let id = ident id in | |
622 | mkres s (Ast0.Goto(goto,id,sem)) | |
623 | (promote_mcode goto) (promote_mcode sem) | |
624 | | Ast0.Return(ret,sem) as us -> | |
625 | mkres s us (promote_mcode ret) (promote_mcode sem) | |
626 | | Ast0.ReturnExpr(ret,exp,sem) -> | |
627 | let exp = expression exp in | |
628 | mkres s (Ast0.ReturnExpr(ret,exp,sem)) | |
629 | (promote_mcode ret) (promote_mcode sem) | |
630 | | Ast0.MetaStmt(name,_) | |
631 | | Ast0.MetaStmtList(name,_) as us -> | |
632 | let ln = promote_mcode name in mkres s us ln ln | |
633 | | Ast0.Exp(exp) -> | |
634 | let exp = expression exp in | |
635 | mkres s (Ast0.Exp(exp)) exp exp | |
636 | | Ast0.TopExp(exp) -> | |
637 | let exp = expression exp in | |
638 | mkres s (Ast0.TopExp(exp)) exp exp | |
639 | | Ast0.Ty(ty) -> | |
640 | let ty = typeC ty in | |
641 | mkres s (Ast0.Ty(ty)) ty ty | |
642 | | Ast0.TopInit(init) -> | |
643 | let init = initialiser init in | |
644 | mkres s (Ast0.TopInit(init)) init init | |
645 | | Ast0.Disj(starter,rule_elem_dots_list,mids,ender) -> | |
646 | let starter = bad_mcode starter in | |
647 | let mids = List.map bad_mcode mids in | |
648 | let ender = bad_mcode ender in | |
649 | let rec loop prevs = function | |
650 | [] -> [] | |
651 | | stm::stms -> | |
652 | (dots is_stm_dots (Some(promote_mcode_plus_one(List.hd prevs))) | |
653 | statement stm):: | |
654 | (loop (List.tl prevs) stms) in | |
655 | let elems = loop (starter::mids) rule_elem_dots_list in | |
656 | mkmultires s (Ast0.Disj(starter,elems,mids,ender)) | |
657 | (promote_mcode starter) (promote_mcode ender) | |
658 | (get_all_start_info elems) (get_all_end_info elems) | |
659 | | Ast0.Nest(starter,rule_elem_dots,ender,whencode,multi) -> | |
660 | let starter = bad_mcode starter in | |
661 | let ender = bad_mcode ender in | |
662 | let rule_elem_dots = dots is_stm_dots None statement rule_elem_dots in | |
663 | mkres s (Ast0.Nest(starter,rule_elem_dots,ender,whencode,multi)) | |
664 | (promote_mcode starter) (promote_mcode ender) | |
665 | | Ast0.Dots(dots,whencode) -> | |
666 | let dots = bad_mcode dots in | |
667 | let ln = promote_mcode dots in | |
668 | mkres s (Ast0.Dots(dots,whencode)) ln ln | |
669 | | Ast0.Circles(dots,whencode) -> | |
670 | let dots = bad_mcode dots in | |
671 | let ln = promote_mcode dots in | |
672 | mkres s (Ast0.Circles(dots,whencode)) ln ln | |
673 | | Ast0.Stars(dots,whencode) -> | |
674 | let dots = bad_mcode dots in | |
675 | let ln = promote_mcode dots in | |
676 | mkres s (Ast0.Stars(dots,whencode)) ln ln | |
677 | | Ast0.FunDecl((_,bef),fninfo,name,lp,params,rp,lbrace,body,rbrace) -> | |
678 | let fninfo = | |
679 | List.map | |
680 | (function Ast0.FType(ty) -> Ast0.FType(typeC ty) | x -> x) | |
681 | fninfo in | |
682 | let name = ident name in | |
683 | let params = parameter_list (Some(promote_mcode lp)) params in | |
684 | let body = | |
685 | dots is_stm_dots (Some(promote_mcode lbrace)) statement body in | |
686 | let left = | |
687 | (* cases on what is leftmost *) | |
688 | match fninfo with | |
689 | [] -> promote_to_statement_start name bef | |
690 | | Ast0.FStorage(stg)::_ -> | |
691 | promote_to_statement_start (promote_mcode stg) bef | |
692 | | Ast0.FType(ty)::_ -> | |
693 | promote_to_statement_start ty bef | |
694 | | Ast0.FInline(inline)::_ -> | |
695 | promote_to_statement_start (promote_mcode inline) bef | |
696 | | Ast0.FAttr(attr)::_ -> | |
697 | promote_to_statement_start (promote_mcode attr) bef in | |
698 | (* pretend it is one line before the start of the function, so that it | |
699 | will catch things defined at top level. We assume that these will not | |
700 | be defined on the same line as the function. This is a HACK. | |
701 | A better approach would be to attach top_level things to this node, | |
702 | and other things to the node after, but that would complicate | |
703 | insert_plus, which doesn't distinguish between different mcodekinds *) | |
704 | let res = | |
705 | Ast0.FunDecl((Ast0.get_info left,bef),fninfo,name,lp,params,rp,lbrace, | |
706 | body,rbrace) in | |
707 | (* have to do this test again, because of typing problems - can't save | |
708 | the result, only use it *) | |
709 | (match fninfo with | |
710 | [] -> mkres s res name (promote_mcode rbrace) | |
711 | | Ast0.FStorage(stg)::_ -> | |
712 | mkres s res (promote_mcode stg) (promote_mcode rbrace) | |
713 | | Ast0.FType(ty)::_ -> mkres s res ty (promote_mcode rbrace) | |
714 | | Ast0.FInline(inline)::_ -> | |
715 | mkres s res (promote_mcode inline) (promote_mcode rbrace) | |
716 | | Ast0.FAttr(attr)::_ -> | |
717 | mkres s res (promote_mcode attr) (promote_mcode rbrace)) | |
718 | ||
719 | | Ast0.Include(inc,stm) -> | |
720 | mkres s (Ast0.Include(inc,stm)) (promote_mcode inc) (promote_mcode stm) | |
721 | | Ast0.Define(def,id,params,body) -> | |
722 | let id = ident id in | |
723 | let body = dots is_stm_dots None statement body in | |
724 | mkres s (Ast0.Define(def,id,params,body)) (promote_mcode def) body | |
725 | | Ast0.OptStm(stm) -> | |
726 | let stm = statement stm in mkres s (Ast0.OptStm(stm)) stm stm | |
727 | | Ast0.UniqueStm(stm) -> | |
728 | let stm = statement stm in mkres s (Ast0.UniqueStm(stm)) stm stm in | |
729 | Ast0.set_dots_bef_aft res | |
730 | (match Ast0.get_dots_bef_aft res with | |
731 | Ast0.NoDots -> Ast0.NoDots | |
732 | | Ast0.AddingBetweenDots s -> | |
733 | Ast0.AddingBetweenDots(statement s) | |
734 | | Ast0.DroppingBetweenDots s -> | |
735 | Ast0.DroppingBetweenDots(statement s)) | |
736 | ||
737 | and case_line c = | |
738 | match Ast0.unwrap c with | |
739 | Ast0.Default(def,colon,code) -> | |
740 | let code = dots is_stm_dots (Some(promote_mcode colon)) statement code in | |
741 | mkres c (Ast0.Default(def,colon,code)) (promote_mcode def) code | |
742 | | Ast0.Case(case,exp,colon,code) -> | |
743 | let exp = expression exp in | |
744 | let code = dots is_stm_dots (Some(promote_mcode colon)) statement code in | |
745 | mkres c (Ast0.Case(case,exp,colon,code)) (promote_mcode case) code | |
746 | | Ast0.OptCase(case) -> | |
747 | let case = case_line case in mkres c (Ast0.OptCase(case)) case case | |
748 | ||
749 | and statement_dots x = dots is_stm_dots None statement x | |
750 | ||
751 | (* --------------------------------------------------------------------- *) | |
752 | (* Function declaration *) | |
753 | ||
754 | let top_level t = | |
755 | match Ast0.unwrap t with | |
756 | Ast0.FILEINFO(old_file,new_file) -> t | |
757 | | Ast0.DECL(stmt) -> | |
758 | let stmt = statement stmt in mkres t (Ast0.DECL(stmt)) stmt stmt | |
759 | | Ast0.CODE(rule_elem_dots) -> | |
760 | let rule_elem_dots = dots is_stm_dots None statement rule_elem_dots in | |
761 | mkres t (Ast0.CODE(rule_elem_dots)) rule_elem_dots rule_elem_dots | |
762 | | Ast0.ERRORWORDS(exps) -> t | |
763 | | Ast0.OTHER(_) -> failwith "eliminated by top_level" | |
764 | ||
765 | (* --------------------------------------------------------------------- *) | |
766 | (* Entry points *) | |
767 | ||
768 | let compute_lines = List.map top_level | |
769 |