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34e49164 | 1 | (* |
faf9a90c | 2 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen |
34e49164 C |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller |
4 | * This file is part of Coccinelle. | |
5 | * | |
6 | * Coccinelle is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, according to version 2 of the License. | |
9 | * | |
10 | * Coccinelle is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The authors reserve the right to distribute this or future versions of | |
19 | * Coccinelle under other licenses. | |
20 | *) | |
21 | ||
22 | ||
23 | (* 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 | |
faf9a90c | 28 | |
34e49164 C |
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 | |
0708f913 C |
35 | let pos_info = |
36 | { Ast0.line_start = lstart.Ast0.pos_info.Ast0.line_start; | |
37 | Ast0.line_end = lend.Ast0.pos_info.Ast0.line_end; | |
38 | Ast0.logical_start = lstart.Ast0.pos_info.Ast0.logical_start; | |
39 | Ast0.logical_end = lend.Ast0.pos_info.Ast0.logical_end; | |
40 | Ast0.column = lstart.Ast0.pos_info.Ast0.column; | |
708f4980 | 41 | Ast0.offset = lstart.Ast0.pos_info.Ast0.offset;} in |
34e49164 | 42 | let info = |
0708f913 | 43 | { Ast0.pos_info = pos_info; |
34e49164 C |
44 | Ast0.attachable_start = lstart.Ast0.attachable_start; |
45 | Ast0.attachable_end = lend.Ast0.attachable_end; | |
46 | Ast0.mcode_start = lstart.Ast0.mcode_start; | |
47 | Ast0.mcode_end = lend.Ast0.mcode_end; | |
34e49164 | 48 | (* only for tokens, not inherited upwards *) |
0708f913 | 49 | Ast0.strings_before = []; Ast0.strings_after = [] } in |
34e49164 C |
50 | {x with Ast0.node = e; Ast0.info = info} |
51 | ||
52 | let mkmultires x e left right (astart,start_mcodes) (aend,end_mcodes) = | |
53 | let lstart = Ast0.get_info left in | |
54 | let lend = Ast0.get_info right in | |
0708f913 C |
55 | let pos_info = |
56 | { Ast0.line_start = lstart.Ast0.pos_info.Ast0.line_start; | |
57 | Ast0.line_end = lend.Ast0.pos_info.Ast0.line_end; | |
58 | Ast0.logical_start = lstart.Ast0.pos_info.Ast0.logical_start; | |
59 | Ast0.logical_end = lend.Ast0.pos_info.Ast0.logical_end; | |
60 | Ast0.column = lstart.Ast0.pos_info.Ast0.column; | |
61 | Ast0.offset = lstart.Ast0.pos_info.Ast0.offset; } in | |
34e49164 | 62 | let info = |
0708f913 | 63 | { Ast0.pos_info = pos_info; |
34e49164 C |
64 | Ast0.attachable_start = astart; |
65 | Ast0.attachable_end = aend; | |
66 | Ast0.mcode_start = start_mcodes; | |
67 | Ast0.mcode_end = end_mcodes; | |
34e49164 C |
68 | (* only for tokens, not inherited upwards *) |
69 | Ast0.strings_before = []; Ast0.strings_after = [] } in | |
70 | {x with Ast0.node = e; Ast0.info = info} | |
71 | ||
72 | (* --------------------------------------------------------------------- *) | |
faf9a90c | 73 | |
34e49164 C |
74 | let get_option fn = function |
75 | None -> None | |
76 | | Some x -> Some (fn x) | |
faf9a90c | 77 | |
34e49164 C |
78 | (* --------------------------------------------------------------------- *) |
79 | (* --------------------------------------------------------------------- *) | |
80 | (* Mcode *) | |
81 | ||
708f4980 | 82 | let promote_mcode (_,_,info,mcodekind,_,_) = |
34e49164 C |
83 | let new_info = |
84 | {info with | |
85 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]} in | |
86 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
87 | ||
708f4980 | 88 | let promote_mcode_plus_one (_,_,info,mcodekind,_,_) = |
0708f913 C |
89 | let new_pos_info = |
90 | {info.Ast0.pos_info with | |
91 | Ast0.line_start = info.Ast0.pos_info.Ast0.line_start + 1; | |
92 | Ast0.logical_start = info.Ast0.pos_info.Ast0.logical_start + 1; | |
93 | Ast0.line_end = info.Ast0.pos_info.Ast0.line_end + 1; | |
94 | Ast0.logical_end = info.Ast0.pos_info.Ast0.logical_end + 1; } in | |
34e49164 C |
95 | let new_info = |
96 | {info with | |
0708f913 | 97 | Ast0.pos_info = new_pos_info; |
34e49164 C |
98 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]} in |
99 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
100 | ||
101 | let promote_to_statement stm mcodekind = | |
102 | let info = Ast0.get_info stm in | |
0708f913 C |
103 | let new_pos_info = |
104 | {info.Ast0.pos_info with | |
105 | Ast0.logical_start = info.Ast0.pos_info.Ast0.logical_end; | |
106 | Ast0.line_start = info.Ast0.pos_info.Ast0.line_end; } in | |
34e49164 C |
107 | let new_info = |
108 | {info with | |
0708f913 | 109 | Ast0.pos_info = new_pos_info; |
34e49164 C |
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 | let promote_to_statement_start stm mcodekind = | |
115 | let info = Ast0.get_info stm in | |
0708f913 C |
116 | let new_pos_info = |
117 | {info.Ast0.pos_info with | |
118 | Ast0.logical_end = info.Ast0.pos_info.Ast0.logical_start; | |
119 | Ast0.line_end = info.Ast0.pos_info.Ast0.line_start; } in | |
34e49164 C |
120 | let new_info = |
121 | {info with | |
0708f913 | 122 | Ast0.pos_info = new_pos_info; |
34e49164 C |
123 | Ast0.mcode_start = [mcodekind]; Ast0.mcode_end = [mcodekind]; |
124 | Ast0.attachable_start = true; Ast0.attachable_end = true} in | |
125 | {(Ast0.wrap ()) with Ast0.info = new_info; Ast0.mcodekind = ref mcodekind} | |
126 | ||
127 | (* mcode is good by default *) | |
708f4980 | 128 | let bad_mcode (t,a,info,mcodekind,pos,adj) = |
34e49164 C |
129 | let new_info = |
130 | {info with Ast0.attachable_start = false; Ast0.attachable_end = false} in | |
708f4980 | 131 | (t,a,new_info,mcodekind,pos,adj) |
34e49164 C |
132 | |
133 | let get_all_start_info l = | |
134 | (List.for_all (function x -> (Ast0.get_info x).Ast0.attachable_start) l, | |
135 | List.concat (List.map (function x -> (Ast0.get_info x).Ast0.mcode_start) l)) | |
136 | ||
137 | let get_all_end_info l = | |
138 | (List.for_all (function x -> (Ast0.get_info x).Ast0.attachable_end) l, | |
139 | List.concat (List.map (function x -> (Ast0.get_info x).Ast0.mcode_end) l)) | |
140 | ||
141 | (* --------------------------------------------------------------------- *) | |
142 | (* Dots *) | |
143 | ||
144 | (* for the logline classification and the mcode field, on both sides, skip | |
145 | over initial minus dots, as they don't contribute anything *) | |
146 | let dot_list is_dots fn = function | |
147 | [] -> failwith "dots should not be empty" | |
148 | | l -> | |
149 | let get_node l fn = | |
150 | let first = List.hd l in | |
151 | let chosen = | |
152 | match (is_dots first, l) with (true,_::x::_) -> x | _ -> first in | |
153 | (* get the logline decorator and the mcodekind of the chosen node *) | |
154 | fn (Ast0.get_info chosen) in | |
155 | let forward = List.map fn l in | |
156 | let backward = List.rev forward in | |
157 | let (first_attachable,first_mcode) = | |
158 | get_node forward | |
159 | (function x -> (x.Ast0.attachable_start,x.Ast0.mcode_start)) in | |
160 | let (last_attachable,last_mcode) = | |
161 | get_node backward | |
162 | (function x -> (x.Ast0.attachable_end,x.Ast0.mcode_end)) in | |
163 | let first = List.hd forward in | |
164 | let last = List.hd backward in | |
165 | let first_info = | |
166 | { (Ast0.get_info first) with | |
167 | Ast0.attachable_start = first_attachable; | |
168 | Ast0.mcode_start = first_mcode } in | |
169 | let last_info = | |
170 | { (Ast0.get_info last) with | |
171 | Ast0.attachable_end = last_attachable; | |
172 | Ast0.mcode_end = last_mcode } in | |
173 | let first = Ast0.set_info first first_info in | |
174 | let last = Ast0.set_info last last_info in | |
175 | (forward,first,last) | |
faf9a90c | 176 | |
34e49164 C |
177 | let dots is_dots prev fn d = |
178 | match (prev,Ast0.unwrap d) with | |
179 | (Some prev,Ast0.DOTS([])) -> | |
180 | mkres d (Ast0.DOTS []) prev prev | |
181 | | (None,Ast0.DOTS([])) -> | |
182 | Ast0.set_info d | |
183 | {(Ast0.get_info d) | |
184 | with Ast0.attachable_start = false; Ast0.attachable_end = false} | |
185 | | (_,Ast0.DOTS(x)) -> | |
186 | let (l,lstart,lend) = dot_list is_dots fn x in | |
187 | mkres d (Ast0.DOTS l) lstart lend | |
188 | | (_,Ast0.CIRCLES(x)) -> | |
189 | let (l,lstart,lend) = dot_list is_dots fn x in | |
190 | mkres d (Ast0.CIRCLES l) lstart lend | |
191 | | (_,Ast0.STARS(x)) -> | |
192 | let (l,lstart,lend) = dot_list is_dots fn x in | |
193 | mkres d (Ast0.STARS l) lstart lend | |
194 | ||
195 | (* --------------------------------------------------------------------- *) | |
196 | (* Identifier *) | |
faf9a90c | 197 | |
34e49164 C |
198 | let rec ident i = |
199 | match Ast0.unwrap i with | |
200 | Ast0.Id(name) as ui -> | |
201 | let name = promote_mcode name in mkres i ui name name | |
202 | | Ast0.MetaId(name,_,_) | |
203 | | Ast0.MetaFunc(name,_,_) | Ast0.MetaLocalFunc(name,_,_) as ui -> | |
204 | let name = promote_mcode name in mkres i ui name name | |
205 | | Ast0.OptIdent(id) -> | |
206 | let id = ident id in mkres i (Ast0.OptIdent(id)) id id | |
207 | | Ast0.UniqueIdent(id) -> | |
208 | let id = ident id in mkres i (Ast0.UniqueIdent(id)) id id | |
faf9a90c | 209 | |
34e49164 C |
210 | (* --------------------------------------------------------------------- *) |
211 | (* Expression *) | |
212 | ||
213 | let is_exp_dots e = | |
214 | match Ast0.unwrap e with | |
215 | Ast0.Edots(_,_) | Ast0.Ecircles(_,_) | Ast0.Estars(_,_) -> true | |
216 | | _ -> false | |
217 | ||
218 | let rec expression e = | |
219 | match Ast0.unwrap e with | |
220 | Ast0.Ident(id) -> | |
221 | let id = ident id in | |
222 | mkres e (Ast0.Ident(id)) id id | |
223 | | Ast0.Constant(const) as ue -> | |
224 | let ln = promote_mcode const in | |
225 | mkres e ue ln ln | |
226 | | Ast0.FunCall(fn,lp,args,rp) -> | |
227 | let fn = expression fn in | |
228 | let args = dots is_exp_dots (Some(promote_mcode lp)) expression args in | |
229 | mkres e (Ast0.FunCall(fn,lp,args,rp)) fn (promote_mcode rp) | |
230 | | Ast0.Assignment(left,op,right,simple) -> | |
231 | let left = expression left in | |
232 | let right = expression right in | |
233 | mkres e (Ast0.Assignment(left,op,right,simple)) left right | |
234 | | Ast0.CondExpr(exp1,why,exp2,colon,exp3) -> | |
235 | let exp1 = expression exp1 in | |
236 | let exp2 = get_option expression exp2 in | |
237 | let exp3 = expression exp3 in | |
238 | mkres e (Ast0.CondExpr(exp1,why,exp2,colon,exp3)) exp1 exp3 | |
239 | | Ast0.Postfix(exp,op) -> | |
240 | let exp = expression exp in | |
241 | mkres e (Ast0.Postfix(exp,op)) exp (promote_mcode op) | |
242 | | Ast0.Infix(exp,op) -> | |
243 | let exp = expression exp in | |
244 | mkres e (Ast0.Infix(exp,op)) (promote_mcode op) exp | |
245 | | Ast0.Unary(exp,op) -> | |
246 | let exp = expression exp in | |
247 | mkres e (Ast0.Unary(exp,op)) (promote_mcode op) exp | |
248 | | Ast0.Binary(left,op,right) -> | |
249 | let left = expression left in | |
250 | let right = expression right in | |
251 | mkres e (Ast0.Binary(left,op,right)) left right | |
252 | | Ast0.Nested(left,op,right) -> | |
253 | let left = expression left in | |
254 | let right = expression right in | |
255 | mkres e (Ast0.Nested(left,op,right)) left right | |
256 | | Ast0.Paren(lp,exp,rp) -> | |
257 | mkres e (Ast0.Paren(lp,expression exp,rp)) | |
258 | (promote_mcode lp) (promote_mcode rp) | |
259 | | Ast0.ArrayAccess(exp1,lb,exp2,rb) -> | |
260 | let exp1 = expression exp1 in | |
261 | let exp2 = expression exp2 in | |
262 | mkres e (Ast0.ArrayAccess(exp1,lb,exp2,rb)) exp1 (promote_mcode rb) | |
263 | | Ast0.RecordAccess(exp,pt,field) -> | |
264 | let exp = expression exp in | |
265 | let field = ident field in | |
266 | mkres e (Ast0.RecordAccess(exp,pt,field)) exp field | |
267 | | Ast0.RecordPtAccess(exp,ar,field) -> | |
268 | let exp = expression exp in | |
269 | let field = ident field in | |
270 | mkres e (Ast0.RecordPtAccess(exp,ar,field)) exp field | |
271 | | Ast0.Cast(lp,ty,rp,exp) -> | |
272 | let exp = expression exp in | |
273 | mkres e (Ast0.Cast(lp,typeC ty,rp,exp)) (promote_mcode lp) exp | |
274 | | Ast0.SizeOfExpr(szf,exp) -> | |
275 | let exp = expression exp in | |
276 | mkres e (Ast0.SizeOfExpr(szf,exp)) (promote_mcode szf) exp | |
277 | | Ast0.SizeOfType(szf,lp,ty,rp) -> | |
faf9a90c | 278 | mkres e (Ast0.SizeOfType(szf,lp,typeC ty,rp)) |
34e49164 C |
279 | (promote_mcode szf) (promote_mcode rp) |
280 | | Ast0.TypeExp(ty) -> | |
281 | let ty = typeC ty in mkres e (Ast0.TypeExp(ty)) ty ty | |
282 | | Ast0.MetaErr(name,_,_) | Ast0.MetaExpr(name,_,_,_,_) | |
283 | | Ast0.MetaExprList(name,_,_) as ue -> | |
284 | let ln = promote_mcode name in mkres e ue ln ln | |
285 | | Ast0.EComma(cm) -> | |
286 | let cm = bad_mcode cm in | |
287 | let ln = promote_mcode cm in | |
288 | mkres e (Ast0.EComma(cm)) ln ln | |
289 | | Ast0.DisjExpr(starter,exps,mids,ender) -> | |
290 | let starter = bad_mcode starter in | |
291 | let exps = List.map expression exps in | |
292 | let mids = List.map bad_mcode mids in | |
293 | let ender = bad_mcode ender in | |
294 | mkmultires e (Ast0.DisjExpr(starter,exps,mids,ender)) | |
295 | (promote_mcode starter) (promote_mcode ender) | |
296 | (get_all_start_info exps) (get_all_end_info exps) | |
297 | | Ast0.NestExpr(starter,exp_dots,ender,whencode,multi) -> | |
298 | let exp_dots = dots is_exp_dots None expression exp_dots in | |
299 | let starter = bad_mcode starter in | |
300 | let ender = bad_mcode ender in | |
301 | mkres e (Ast0.NestExpr(starter,exp_dots,ender,whencode,multi)) | |
302 | (promote_mcode starter) (promote_mcode ender) | |
303 | | Ast0.Edots(dots,whencode) -> | |
304 | let dots = bad_mcode dots in | |
305 | let ln = promote_mcode dots in | |
306 | mkres e (Ast0.Edots(dots,whencode)) ln ln | |
307 | | Ast0.Ecircles(dots,whencode) -> | |
308 | let dots = bad_mcode dots in | |
309 | let ln = promote_mcode dots in | |
310 | mkres e (Ast0.Ecircles(dots,whencode)) ln ln | |
311 | | Ast0.Estars(dots,whencode) -> | |
312 | let dots = bad_mcode dots in | |
313 | let ln = promote_mcode dots in | |
314 | mkres e (Ast0.Estars(dots,whencode)) ln ln | |
315 | | Ast0.OptExp(exp) -> | |
316 | let exp = expression exp in | |
317 | mkres e (Ast0.OptExp(exp)) exp exp | |
318 | | Ast0.UniqueExp(exp) -> | |
319 | let exp = expression exp in | |
320 | mkres e (Ast0.UniqueExp(exp)) exp exp | |
321 | ||
322 | and expression_dots x = dots is_exp_dots None expression x | |
faf9a90c | 323 | |
34e49164 C |
324 | (* --------------------------------------------------------------------- *) |
325 | (* Types *) | |
faf9a90c | 326 | |
34e49164 C |
327 | and typeC t = |
328 | match Ast0.unwrap t with | |
329 | Ast0.ConstVol(cv,ty) -> | |
330 | let ty = typeC ty in | |
331 | mkres t (Ast0.ConstVol(cv,ty)) (promote_mcode cv) ty | |
faf9a90c C |
332 | | Ast0.BaseType(ty,strings) as ut -> |
333 | let first = List.hd strings in | |
334 | let last = List.hd (List.rev strings) in | |
335 | mkres t ut (promote_mcode first) (promote_mcode last) | |
336 | | Ast0.Signed(sgn,None) as ut -> | |
34e49164 | 337 | mkres t ut (promote_mcode sgn) (promote_mcode sgn) |
faf9a90c C |
338 | | Ast0.Signed(sgn,Some ty) -> |
339 | let ty = typeC ty in | |
340 | mkres t (Ast0.Signed(sgn,Some ty)) (promote_mcode sgn) ty | |
34e49164 C |
341 | | Ast0.Pointer(ty,star) -> |
342 | let ty = typeC ty in | |
343 | mkres t (Ast0.Pointer(ty,star)) ty (promote_mcode star) | |
344 | | Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2) -> | |
345 | let ty = typeC ty in | |
346 | let params = parameter_list (Some(promote_mcode lp2)) params in | |
347 | mkres t (Ast0.FunctionPointer(ty,lp1,star,rp1,lp2,params,rp2)) | |
348 | ty (promote_mcode rp2) | |
349 | | Ast0.FunctionType(Some ty,lp1,params,rp1) -> | |
350 | let ty = typeC ty in | |
351 | let params = parameter_list (Some(promote_mcode lp1)) params in | |
352 | let res = Ast0.FunctionType(Some ty,lp1,params,rp1) in | |
353 | mkres t res ty (promote_mcode rp1) | |
354 | | Ast0.FunctionType(None,lp1,params,rp1) -> | |
355 | let params = parameter_list (Some(promote_mcode lp1)) params in | |
356 | let res = Ast0.FunctionType(None,lp1,params,rp1) in | |
357 | mkres t res (promote_mcode lp1) (promote_mcode rp1) | |
358 | | Ast0.Array(ty,lb,size,rb) -> | |
359 | let ty = typeC ty in | |
360 | mkres t (Ast0.Array(ty,lb,get_option expression size,rb)) | |
361 | ty (promote_mcode rb) | |
faf9a90c C |
362 | | Ast0.EnumName(kind,name) -> |
363 | let name = ident name in | |
364 | mkres t (Ast0.EnumName(kind,name)) (promote_mcode kind) name | |
34e49164 C |
365 | | Ast0.StructUnionName(kind,Some name) -> |
366 | let name = ident name in | |
367 | mkres t (Ast0.StructUnionName(kind,Some name)) (promote_mcode kind) name | |
368 | | Ast0.StructUnionName(kind,None) -> | |
369 | let mc = promote_mcode kind in | |
370 | mkres t (Ast0.StructUnionName(kind,None)) mc mc | |
371 | | Ast0.StructUnionDef(ty,lb,decls,rb) -> | |
372 | let ty = typeC ty in | |
373 | let decls = | |
374 | dots is_decl_dots (Some(promote_mcode lb)) declaration decls in | |
375 | mkres t (Ast0.StructUnionDef(ty,lb,decls,rb)) ty (promote_mcode rb) | |
376 | | Ast0.TypeName(name) as ut -> | |
377 | let ln = promote_mcode name in mkres t ut ln ln | |
378 | | Ast0.MetaType(name,_) as ut -> | |
379 | let ln = promote_mcode name in mkres t ut ln ln | |
380 | | Ast0.DisjType(starter,types,mids,ender) -> | |
381 | let starter = bad_mcode starter in | |
382 | let types = List.map typeC types in | |
383 | let mids = List.map bad_mcode mids in | |
384 | let ender = bad_mcode ender in | |
385 | mkmultires t (Ast0.DisjType(starter,types,mids,ender)) | |
386 | (promote_mcode starter) (promote_mcode ender) | |
387 | (get_all_start_info types) (get_all_end_info types) | |
388 | | Ast0.OptType(ty) -> | |
389 | let ty = typeC ty in mkres t (Ast0.OptType(ty)) ty ty | |
390 | | Ast0.UniqueType(ty) -> | |
391 | let ty = typeC ty in mkres t (Ast0.UniqueType(ty)) ty ty | |
faf9a90c | 392 | |
34e49164 C |
393 | (* --------------------------------------------------------------------- *) |
394 | (* Variable declaration *) | |
395 | (* Even if the Cocci program specifies a list of declarations, they are | |
396 | split out into multiple declarations of a single variable each. *) | |
397 | ||
398 | and is_decl_dots s = | |
399 | match Ast0.unwrap s with | |
400 | Ast0.Ddots(_,_) -> true | |
401 | | _ -> false | |
faf9a90c | 402 | |
34e49164 C |
403 | and declaration d = |
404 | match Ast0.unwrap d with | |
405 | Ast0.Init(stg,ty,id,eq,exp,sem) -> | |
406 | let ty = typeC ty in | |
407 | let id = ident id in | |
408 | let exp = initialiser exp in | |
409 | (match stg with | |
410 | None -> | |
411 | mkres d (Ast0.Init(stg,ty,id,eq,exp,sem)) ty (promote_mcode sem) | |
faf9a90c | 412 | | Some x -> |
34e49164 C |
413 | mkres d (Ast0.Init(stg,ty,id,eq,exp,sem)) |
414 | (promote_mcode x) (promote_mcode sem)) | |
415 | | Ast0.UnInit(stg,ty,id,sem) -> | |
416 | let ty = typeC ty in | |
417 | let id = ident id in | |
418 | (match stg with | |
419 | None -> | |
420 | mkres d (Ast0.UnInit(stg,ty,id,sem)) ty (promote_mcode sem) | |
421 | | Some x -> | |
422 | mkres d (Ast0.UnInit(stg,ty,id,sem)) | |
423 | (promote_mcode x) (promote_mcode sem)) | |
424 | | Ast0.MacroDecl(name,lp,args,rp,sem) -> | |
425 | let name = ident name in | |
426 | let args = dots is_exp_dots (Some(promote_mcode lp)) expression args in | |
427 | mkres d (Ast0.MacroDecl(name,lp,args,rp,sem)) name (promote_mcode sem) | |
428 | | Ast0.TyDecl(ty,sem) -> | |
429 | let ty = typeC ty in | |
430 | mkres d (Ast0.TyDecl(ty,sem)) ty (promote_mcode sem) | |
431 | | Ast0.Typedef(stg,ty,id,sem) -> | |
432 | let ty = typeC ty in | |
433 | let id = typeC id in | |
434 | mkres d (Ast0.Typedef(stg,ty,id,sem)) | |
435 | (promote_mcode stg) (promote_mcode sem) | |
436 | | Ast0.DisjDecl(starter,decls,mids,ender) -> | |
437 | let starter = bad_mcode starter in | |
438 | let decls = List.map declaration decls in | |
439 | let mids = List.map bad_mcode mids in | |
440 | let ender = bad_mcode ender in | |
441 | mkmultires d (Ast0.DisjDecl(starter,decls,mids,ender)) | |
442 | (promote_mcode starter) (promote_mcode ender) | |
443 | (get_all_start_info decls) (get_all_end_info decls) | |
444 | | Ast0.Ddots(dots,whencode) -> | |
445 | let dots = bad_mcode dots in | |
446 | let ln = promote_mcode dots in | |
447 | mkres d (Ast0.Ddots(dots,whencode)) ln ln | |
448 | | Ast0.OptDecl(decl) -> | |
449 | let decl = declaration decl in | |
450 | mkres d (Ast0.OptDecl(declaration decl)) decl decl | |
451 | | Ast0.UniqueDecl(decl) -> | |
452 | let decl = declaration decl in | |
453 | mkres d (Ast0.UniqueDecl(declaration decl)) decl decl | |
454 | ||
455 | (* --------------------------------------------------------------------- *) | |
456 | (* Initializer *) | |
457 | ||
458 | and is_init_dots i = | |
459 | match Ast0.unwrap i with | |
460 | Ast0.Idots(_,_) -> true | |
461 | | _ -> false | |
faf9a90c | 462 | |
34e49164 C |
463 | and initialiser i = |
464 | match Ast0.unwrap i with | |
113803cf C |
465 | Ast0.MetaInit(name,_) as ut -> |
466 | let ln = promote_mcode name in mkres i ut ln ln | |
467 | | Ast0.InitExpr(exp) -> | |
34e49164 C |
468 | let exp = expression exp in |
469 | mkres i (Ast0.InitExpr(exp)) exp exp | |
470 | | Ast0.InitList(lb,initlist,rb) -> | |
471 | let initlist = | |
472 | dots is_init_dots (Some(promote_mcode lb)) initialiser initlist in | |
473 | mkres i (Ast0.InitList(lb,initlist,rb)) | |
474 | (promote_mcode lb) (promote_mcode rb) | |
113803cf C |
475 | | Ast0.InitGccExt(designators,eq,ini) -> |
476 | let (delims,designators) = (* non empty due to parsing *) | |
477 | List.split (List.map designator designators) in | |
34e49164 | 478 | let ini = initialiser ini in |
113803cf C |
479 | mkres i (Ast0.InitGccExt(designators,eq,ini)) |
480 | (promote_mcode (List.hd delims)) ini | |
34e49164 C |
481 | | Ast0.InitGccName(name,eq,ini) -> |
482 | let name = ident name in | |
483 | let ini = initialiser ini in | |
484 | mkres i (Ast0.InitGccName(name,eq,ini)) name ini | |
34e49164 C |
485 | | Ast0.IComma(cm) as up -> |
486 | let ln = promote_mcode cm in mkres i up ln ln | |
487 | | Ast0.Idots(dots,whencode) -> | |
488 | let dots = bad_mcode dots in | |
489 | let ln = promote_mcode dots in | |
490 | mkres i (Ast0.Idots(dots,whencode)) ln ln | |
491 | | Ast0.OptIni(ini) -> | |
492 | let ini = initialiser ini in | |
493 | mkres i (Ast0.OptIni(ini)) ini ini | |
494 | | Ast0.UniqueIni(ini) -> | |
495 | let ini = initialiser ini in | |
496 | mkres i (Ast0.UniqueIni(ini)) ini ini | |
497 | ||
113803cf C |
498 | and designator = function |
499 | Ast0.DesignatorField(dot,id) -> | |
500 | (dot,Ast0.DesignatorField(dot,ident id)) | |
501 | | Ast0.DesignatorIndex(lb,exp,rb) -> | |
502 | (lb,Ast0.DesignatorIndex(lb,expression exp,rb)) | |
503 | | Ast0.DesignatorRange(lb,min,dots,max,rb) -> | |
504 | (lb,Ast0.DesignatorRange(lb,expression min,dots,expression max,rb)) | |
505 | ||
34e49164 C |
506 | and initialiser_list prev = dots is_init_dots prev initialiser |
507 | ||
508 | (* for export *) | |
509 | and initialiser_dots x = dots is_init_dots None initialiser x | |
510 | ||
511 | (* --------------------------------------------------------------------- *) | |
512 | (* Parameter *) | |
513 | ||
514 | and is_param_dots p = | |
515 | match Ast0.unwrap p with | |
516 | Ast0.Pdots(_) | Ast0.Pcircles(_) -> true | |
517 | | _ -> false | |
faf9a90c | 518 | |
34e49164 C |
519 | and parameterTypeDef p = |
520 | match Ast0.unwrap p with | |
521 | Ast0.VoidParam(ty) -> | |
522 | let ty = typeC ty in mkres p (Ast0.VoidParam(ty)) ty ty | |
523 | | Ast0.Param(ty,Some id) -> | |
524 | let id = ident id in | |
525 | let ty = typeC ty in mkres p (Ast0.Param(ty,Some id)) ty id | |
526 | | Ast0.Param(ty,None) -> | |
527 | let ty = typeC ty in mkres p (Ast0.Param(ty,None)) ty ty | |
528 | | Ast0.MetaParam(name,_) as up -> | |
529 | let ln = promote_mcode name in mkres p up ln ln | |
530 | | Ast0.MetaParamList(name,_,_) as up -> | |
531 | let ln = promote_mcode name in mkres p up ln ln | |
532 | | Ast0.PComma(cm) -> | |
533 | let cm = bad_mcode cm in | |
534 | let ln = promote_mcode cm in | |
535 | mkres p (Ast0.PComma(cm)) ln ln | |
536 | | Ast0.Pdots(dots) -> | |
537 | let dots = bad_mcode dots in | |
538 | let ln = promote_mcode dots in | |
539 | mkres p (Ast0.Pdots(dots)) ln ln | |
540 | | Ast0.Pcircles(dots) -> | |
541 | let dots = bad_mcode dots in | |
542 | let ln = promote_mcode dots in | |
543 | mkres p (Ast0.Pcircles(dots)) ln ln | |
544 | | Ast0.OptParam(param) -> | |
545 | let res = parameterTypeDef param in | |
546 | mkres p (Ast0.OptParam(res)) res res | |
547 | | Ast0.UniqueParam(param) -> | |
548 | let res = parameterTypeDef param in | |
549 | mkres p (Ast0.UniqueParam(res)) res res | |
550 | ||
551 | and parameter_list prev = dots is_param_dots prev parameterTypeDef | |
552 | ||
553 | (* for export *) | |
554 | let parameter_dots x = dots is_param_dots None parameterTypeDef x | |
555 | ||
556 | (* --------------------------------------------------------------------- *) | |
557 | (* Top-level code *) | |
558 | ||
559 | let is_stm_dots s = | |
560 | match Ast0.unwrap s with | |
561 | Ast0.Dots(_,_) | Ast0.Circles(_,_) | Ast0.Stars(_,_) -> true | |
562 | | _ -> false | |
faf9a90c | 563 | |
34e49164 C |
564 | let rec statement s = |
565 | let res = | |
566 | match Ast0.unwrap s with | |
567 | Ast0.Decl((_,bef),decl) -> | |
568 | let decl = declaration decl in | |
569 | let left = promote_to_statement_start decl bef in | |
570 | mkres s (Ast0.Decl((Ast0.get_info left,bef),decl)) decl decl | |
faf9a90c | 571 | | Ast0.Seq(lbrace,body,rbrace) -> |
34e49164 C |
572 | let body = |
573 | dots is_stm_dots (Some(promote_mcode lbrace)) statement body in | |
574 | mkres s (Ast0.Seq(lbrace,body,rbrace)) | |
575 | (promote_mcode lbrace) (promote_mcode rbrace) | |
576 | | Ast0.ExprStatement(exp,sem) -> | |
577 | let exp = expression exp in | |
578 | mkres s (Ast0.ExprStatement(exp,sem)) exp (promote_mcode sem) | |
579 | | Ast0.IfThen(iff,lp,exp,rp,branch,(_,aft)) -> | |
580 | let exp = expression exp in | |
581 | let branch = statement branch in | |
582 | let right = promote_to_statement branch aft in | |
583 | mkres s (Ast0.IfThen(iff,lp,exp,rp,branch,(Ast0.get_info right,aft))) | |
584 | (promote_mcode iff) right | |
585 | | Ast0.IfThenElse(iff,lp,exp,rp,branch1,els,branch2,(_,aft)) -> | |
586 | let exp = expression exp in | |
587 | let branch1 = statement branch1 in | |
588 | let branch2 = statement branch2 in | |
589 | let right = promote_to_statement branch2 aft in | |
590 | mkres s | |
591 | (Ast0.IfThenElse(iff,lp,exp,rp,branch1,els,branch2, | |
592 | (Ast0.get_info right,aft))) | |
593 | (promote_mcode iff) right | |
594 | | Ast0.While(wh,lp,exp,rp,body,(_,aft)) -> | |
595 | let exp = expression exp in | |
596 | let body = statement body in | |
597 | let right = promote_to_statement body aft in | |
598 | mkres s (Ast0.While(wh,lp,exp,rp,body,(Ast0.get_info right,aft))) | |
599 | (promote_mcode wh) right | |
600 | | Ast0.Do(d,body,wh,lp,exp,rp,sem) -> | |
601 | let body = statement body in | |
602 | let exp = expression exp in | |
603 | mkres s (Ast0.Do(d,body,wh,lp,exp,rp,sem)) | |
604 | (promote_mcode d) (promote_mcode sem) | |
605 | | Ast0.For(fr,lp,exp1,sem1,exp2,sem2,exp3,rp,body,(_,aft)) -> | |
606 | let exp1 = get_option expression exp1 in | |
607 | let exp2 = get_option expression exp2 in | |
608 | let exp3 = get_option expression exp3 in | |
609 | let body = statement body in | |
610 | let right = promote_to_statement body aft in | |
611 | mkres s (Ast0.For(fr,lp,exp1,sem1,exp2,sem2,exp3,rp,body, | |
612 | (Ast0.get_info right,aft))) | |
613 | (promote_mcode fr) right | |
614 | | Ast0.Iterator(nm,lp,args,rp,body,(_,aft)) -> | |
615 | let nm = ident nm in | |
616 | let args = dots is_exp_dots (Some(promote_mcode lp)) expression args in | |
617 | let body = statement body in | |
618 | let right = promote_to_statement body aft in | |
619 | mkres s (Ast0.Iterator(nm,lp,args,rp,body,(Ast0.get_info right,aft))) | |
620 | nm right | |
621 | | Ast0.Switch(switch,lp,exp,rp,lb,cases,rb) -> | |
622 | let exp = expression exp in | |
623 | let cases = | |
624 | dots (function _ -> false) (Some(promote_mcode lb)) case_line cases in | |
625 | mkres s | |
626 | (Ast0.Switch(switch,lp,exp,rp,lb,cases,rb)) | |
627 | (promote_mcode switch) (promote_mcode rb) | |
628 | | Ast0.Break(br,sem) as us -> | |
629 | mkres s us (promote_mcode br) (promote_mcode sem) | |
630 | | Ast0.Continue(cont,sem) as us -> | |
631 | mkres s us (promote_mcode cont) (promote_mcode sem) | |
632 | | Ast0.Label(l,dd) -> | |
633 | let l = ident l in | |
634 | mkres s (Ast0.Label(l,dd)) l (promote_mcode dd) | |
635 | | Ast0.Goto(goto,id,sem) -> | |
636 | let id = ident id in | |
faf9a90c | 637 | mkres s (Ast0.Goto(goto,id,sem)) |
34e49164 C |
638 | (promote_mcode goto) (promote_mcode sem) |
639 | | Ast0.Return(ret,sem) as us -> | |
640 | mkres s us (promote_mcode ret) (promote_mcode sem) | |
641 | | Ast0.ReturnExpr(ret,exp,sem) -> | |
642 | let exp = expression exp in | |
faf9a90c | 643 | mkres s (Ast0.ReturnExpr(ret,exp,sem)) |
34e49164 C |
644 | (promote_mcode ret) (promote_mcode sem) |
645 | | Ast0.MetaStmt(name,_) | |
646 | | Ast0.MetaStmtList(name,_) as us -> | |
647 | let ln = promote_mcode name in mkres s us ln ln | |
648 | | Ast0.Exp(exp) -> | |
649 | let exp = expression exp in | |
650 | mkres s (Ast0.Exp(exp)) exp exp | |
651 | | Ast0.TopExp(exp) -> | |
652 | let exp = expression exp in | |
653 | mkres s (Ast0.TopExp(exp)) exp exp | |
654 | | Ast0.Ty(ty) -> | |
655 | let ty = typeC ty in | |
656 | mkres s (Ast0.Ty(ty)) ty ty | |
1be43e12 C |
657 | | Ast0.TopInit(init) -> |
658 | let init = initialiser init in | |
659 | mkres s (Ast0.TopInit(init)) init init | |
34e49164 C |
660 | | Ast0.Disj(starter,rule_elem_dots_list,mids,ender) -> |
661 | let starter = bad_mcode starter in | |
662 | let mids = List.map bad_mcode mids in | |
663 | let ender = bad_mcode ender in | |
664 | let rec loop prevs = function | |
665 | [] -> [] | |
666 | | stm::stms -> | |
667 | (dots is_stm_dots (Some(promote_mcode_plus_one(List.hd prevs))) | |
668 | statement stm):: | |
669 | (loop (List.tl prevs) stms) in | |
670 | let elems = loop (starter::mids) rule_elem_dots_list in | |
671 | mkmultires s (Ast0.Disj(starter,elems,mids,ender)) | |
672 | (promote_mcode starter) (promote_mcode ender) | |
673 | (get_all_start_info elems) (get_all_end_info elems) | |
674 | | Ast0.Nest(starter,rule_elem_dots,ender,whencode,multi) -> | |
675 | let starter = bad_mcode starter in | |
676 | let ender = bad_mcode ender in | |
677 | let rule_elem_dots = dots is_stm_dots None statement rule_elem_dots in | |
678 | mkres s (Ast0.Nest(starter,rule_elem_dots,ender,whencode,multi)) | |
679 | (promote_mcode starter) (promote_mcode ender) | |
680 | | Ast0.Dots(dots,whencode) -> | |
681 | let dots = bad_mcode dots in | |
682 | let ln = promote_mcode dots in | |
683 | mkres s (Ast0.Dots(dots,whencode)) ln ln | |
684 | | Ast0.Circles(dots,whencode) -> | |
685 | let dots = bad_mcode dots in | |
686 | let ln = promote_mcode dots in | |
687 | mkres s (Ast0.Circles(dots,whencode)) ln ln | |
688 | | Ast0.Stars(dots,whencode) -> | |
689 | let dots = bad_mcode dots in | |
690 | let ln = promote_mcode dots in | |
691 | mkres s (Ast0.Stars(dots,whencode)) ln ln | |
692 | | Ast0.FunDecl((_,bef),fninfo,name,lp,params,rp,lbrace,body,rbrace) -> | |
693 | let fninfo = | |
694 | List.map | |
695 | (function Ast0.FType(ty) -> Ast0.FType(typeC ty) | x -> x) | |
696 | fninfo in | |
697 | let name = ident name in | |
698 | let params = parameter_list (Some(promote_mcode lp)) params in | |
699 | let body = | |
700 | dots is_stm_dots (Some(promote_mcode lbrace)) statement body in | |
701 | let left = | |
702 | (* cases on what is leftmost *) | |
703 | match fninfo with | |
704 | [] -> promote_to_statement_start name bef | |
705 | | Ast0.FStorage(stg)::_ -> | |
706 | promote_to_statement_start (promote_mcode stg) bef | |
707 | | Ast0.FType(ty)::_ -> | |
708 | promote_to_statement_start ty bef | |
709 | | Ast0.FInline(inline)::_ -> | |
710 | promote_to_statement_start (promote_mcode inline) bef | |
711 | | Ast0.FAttr(attr)::_ -> | |
712 | promote_to_statement_start (promote_mcode attr) bef in | |
713 | (* pretend it is one line before the start of the function, so that it | |
714 | will catch things defined at top level. We assume that these will not | |
715 | be defined on the same line as the function. This is a HACK. | |
716 | A better approach would be to attach top_level things to this node, | |
717 | and other things to the node after, but that would complicate | |
718 | insert_plus, which doesn't distinguish between different mcodekinds *) | |
719 | let res = | |
720 | Ast0.FunDecl((Ast0.get_info left,bef),fninfo,name,lp,params,rp,lbrace, | |
721 | body,rbrace) in | |
722 | (* have to do this test again, because of typing problems - can't save | |
723 | the result, only use it *) | |
724 | (match fninfo with | |
725 | [] -> mkres s res name (promote_mcode rbrace) | |
726 | | Ast0.FStorage(stg)::_ -> | |
727 | mkres s res (promote_mcode stg) (promote_mcode rbrace) | |
728 | | Ast0.FType(ty)::_ -> mkres s res ty (promote_mcode rbrace) | |
729 | | Ast0.FInline(inline)::_ -> | |
730 | mkres s res (promote_mcode inline) (promote_mcode rbrace) | |
731 | | Ast0.FAttr(attr)::_ -> | |
732 | mkres s res (promote_mcode attr) (promote_mcode rbrace)) | |
faf9a90c | 733 | |
34e49164 C |
734 | | Ast0.Include(inc,stm) -> |
735 | mkres s (Ast0.Include(inc,stm)) (promote_mcode inc) (promote_mcode stm) | |
736 | | Ast0.Define(def,id,params,body) -> | |
737 | let id = ident id in | |
738 | let body = dots is_stm_dots None statement body in | |
739 | mkres s (Ast0.Define(def,id,params,body)) (promote_mcode def) body | |
740 | | Ast0.OptStm(stm) -> | |
741 | let stm = statement stm in mkres s (Ast0.OptStm(stm)) stm stm | |
742 | | Ast0.UniqueStm(stm) -> | |
743 | let stm = statement stm in mkres s (Ast0.UniqueStm(stm)) stm stm in | |
744 | Ast0.set_dots_bef_aft res | |
745 | (match Ast0.get_dots_bef_aft res with | |
746 | Ast0.NoDots -> Ast0.NoDots | |
747 | | Ast0.AddingBetweenDots s -> | |
748 | Ast0.AddingBetweenDots(statement s) | |
749 | | Ast0.DroppingBetweenDots s -> | |
750 | Ast0.DroppingBetweenDots(statement s)) | |
751 | ||
752 | and case_line c = | |
753 | match Ast0.unwrap c with | |
754 | Ast0.Default(def,colon,code) -> | |
755 | let code = dots is_stm_dots (Some(promote_mcode colon)) statement code in | |
756 | mkres c (Ast0.Default(def,colon,code)) (promote_mcode def) code | |
757 | | Ast0.Case(case,exp,colon,code) -> | |
758 | let exp = expression exp in | |
759 | let code = dots is_stm_dots (Some(promote_mcode colon)) statement code in | |
760 | mkres c (Ast0.Case(case,exp,colon,code)) (promote_mcode case) code | |
761 | | Ast0.OptCase(case) -> | |
762 | let case = case_line case in mkres c (Ast0.OptCase(case)) case case | |
763 | ||
764 | and statement_dots x = dots is_stm_dots None statement x | |
faf9a90c | 765 | |
34e49164 C |
766 | (* --------------------------------------------------------------------- *) |
767 | (* Function declaration *) | |
faf9a90c | 768 | |
34e49164 C |
769 | let top_level t = |
770 | match Ast0.unwrap t with | |
771 | Ast0.FILEINFO(old_file,new_file) -> t | |
772 | | Ast0.DECL(stmt) -> | |
773 | let stmt = statement stmt in mkres t (Ast0.DECL(stmt)) stmt stmt | |
774 | | Ast0.CODE(rule_elem_dots) -> | |
775 | let rule_elem_dots = dots is_stm_dots None statement rule_elem_dots in | |
776 | mkres t (Ast0.CODE(rule_elem_dots)) rule_elem_dots rule_elem_dots | |
777 | | Ast0.ERRORWORDS(exps) -> t | |
778 | | Ast0.OTHER(_) -> failwith "eliminated by top_level" | |
faf9a90c | 779 | |
34e49164 C |
780 | (* --------------------------------------------------------------------- *) |
781 | (* Entry points *) | |
faf9a90c | 782 | |
34e49164 | 783 | let compute_lines = List.map top_level |
faf9a90c | 784 |