Commit | Line | Data |
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f537ebc4 | 1 | (* |
17ba0788 C |
2 | * Copyright 2012, INRIA |
3 | * Julia Lawall, Gilles Muller | |
4 | * Copyright 2010-2011, INRIA, University of Copenhagen | |
f537ebc4 C |
5 | * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix |
6 | * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen | |
7 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix | |
8 | * This file is part of Coccinelle. | |
9 | * | |
10 | * Coccinelle is free software: you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation, according to version 2 of the License. | |
13 | * | |
14 | * Coccinelle is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
d6ce1786 C |
17 | * GNU General Public License for more details. |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
21 | * | |
22 | * The authors reserve the right to distribute this or future versions of | |
23 | * Coccinelle under other licenses. | |
24 | *) | |
25 | ||
26 | ||
feec80c3 | 27 | # 0 "./parse_cocci.ml" |
34e49164 C |
28 | (* splits the entire file into minus and plus fragments, and parses each |
29 | separately (thus duplicating work for the parsing of the context elements) *) | |
30 | ||
31 | module D = Data | |
32 | module PC = Parser_cocci_menhir | |
33 | module V0 = Visitor_ast0 | |
b1b2de81 | 34 | module VT0 = Visitor_ast0_types |
34e49164 C |
35 | module Ast = Ast_cocci |
36 | module Ast0 = Ast0_cocci | |
785a3008 C |
37 | |
38 | exception Bad_virt of string | |
39 | ||
34e49164 C |
40 | let pr = Printf.sprintf |
41 | (*let pr2 s = prerr_string s; prerr_string "\n"; flush stderr*) | |
42 | let pr2 s = Printf.printf "%s\n" s | |
43 | ||
44 | (* for isomorphisms. all should be at the front!!! *) | |
faf9a90c | 45 | let reserved_names = |
34e49164 C |
46 | ["all";"optional_storage";"optional_qualifier";"value_format";"comm_assoc"] |
47 | ||
48 | (* ----------------------------------------------------------------------- *) | |
49 | (* Debugging... *) | |
50 | ||
51 | let line_type (d,_,_,_,_,_,_,_) = d | |
52 | ||
53 | let line_type2c tok = | |
54 | match line_type tok with | |
55 | D.MINUS | D.OPTMINUS | D.UNIQUEMINUS -> ":-" | |
56 | | D.PLUS -> ":+" | |
951c7801 | 57 | | D.PLUSPLUS -> ":++" |
34e49164 C |
58 | | D.CONTEXT | D.UNIQUE | D.OPT -> "" |
59 | ||
60 | let token2c (tok,_) = | |
61 | match tok with | |
b23ff9c7 C |
62 | PC.TMetavariable -> "metavariable" |
63 | | PC.TIdentifier -> "identifier" | |
34e49164 C |
64 | | PC.TType -> "type" |
65 | | PC.TParameter -> "parameter" | |
66 | | PC.TConstant -> "constant" | |
67 | | PC.TExpression -> "expression" | |
68 | | PC.TIdExpression -> "idexpression" | |
113803cf | 69 | | PC.TInitialiser -> "initialiser" |
97111a47 | 70 | | PC.TSymbol -> "symbol" |
413ffc02 C |
71 | | PC.TDeclaration -> "declaration" |
72 | | PC.TField -> "field" | |
34e49164 C |
73 | | PC.TStatement -> "statement" |
74 | | PC.TPosition -> "position" | |
75 | | PC.TPosAny -> "any" | |
76 | | PC.TFunction -> "function" | |
77 | | PC.TLocal -> "local" | |
78 | | PC.Tlist -> "list" | |
79 | | PC.TFresh -> "fresh" | |
978fd7e5 | 80 | | PC.TCppConcatOp -> "##" |
34e49164 C |
81 | | PC.TPure -> "pure" |
82 | | PC.TContext -> "context" | |
83 | | PC.TTypedef -> "typedef" | |
84 | | PC.TDeclarer -> "declarer" | |
85 | | PC.TIterator -> "iterator" | |
86 | | PC.TName -> "name" | |
87 | | PC.TRuleName str -> "rule_name-"^str | |
88 | | PC.TUsing -> "using" | |
951c7801 | 89 | | PC.TVirtual -> "virtual" |
34e49164 C |
90 | | PC.TPathIsoFile str -> "path_iso_file-"^str |
91 | | PC.TDisable -> "disable" | |
92 | | PC.TExtends -> "extends" | |
93 | | PC.TDepends -> "depends" | |
94 | | PC.TOn -> "on" | |
95 | | PC.TEver -> "ever" | |
96 | | PC.TNever -> "never" | |
97 | | PC.TExists -> "exists" | |
98 | | PC.TForall -> "forall" | |
34e49164 C |
99 | | PC.TError -> "error" |
100 | | PC.TWords -> "words" | |
faf9a90c | 101 | | PC.TGenerated -> "generated" |
34e49164 C |
102 | |
103 | | PC.TNothing -> "nothing" | |
104 | ||
105 | | PC.Tchar(clt) -> "char"^(line_type2c clt) | |
106 | | PC.Tshort(clt) -> "short"^(line_type2c clt) | |
107 | | PC.Tint(clt) -> "int"^(line_type2c clt) | |
108 | | PC.Tdouble(clt) -> "double"^(line_type2c clt) | |
109 | | PC.Tfloat(clt) -> "float"^(line_type2c clt) | |
110 | | PC.Tlong(clt) -> "long"^(line_type2c clt) | |
111 | | PC.Tvoid(clt) -> "void"^(line_type2c clt) | |
1eddfd50 C |
112 | | PC.Tsize_t(clt) -> "size_t"^(line_type2c clt) |
113 | | PC.Tssize_t(clt) -> "ssize_t"^(line_type2c clt) | |
114 | | PC.Tptrdiff_t(clt) -> "ptrdiff_t"^(line_type2c clt) | |
34e49164 C |
115 | | PC.Tstruct(clt) -> "struct"^(line_type2c clt) |
116 | | PC.Tunion(clt) -> "union"^(line_type2c clt) | |
faf9a90c | 117 | | PC.Tenum(clt) -> "enum"^(line_type2c clt) |
34e49164 C |
118 | | PC.Tunsigned(clt) -> "unsigned"^(line_type2c clt) |
119 | | PC.Tsigned(clt) -> "signed"^(line_type2c clt) | |
120 | | PC.Tstatic(clt) -> "static"^(line_type2c clt) | |
121 | | PC.Tinline(clt) -> "inline"^(line_type2c clt) | |
122 | | PC.Ttypedef(clt) -> "typedef"^(line_type2c clt) | |
123 | | PC.Tattr(s,clt) -> s^(line_type2c clt) | |
124 | | PC.Tauto(clt) -> "auto"^(line_type2c clt) | |
125 | | PC.Tregister(clt) -> "register"^(line_type2c clt) | |
126 | | PC.Textern(clt) -> "extern"^(line_type2c clt) | |
127 | | PC.Tconst(clt) -> "const"^(line_type2c clt) | |
128 | | PC.Tvolatile(clt) -> "volatile"^(line_type2c clt) | |
129 | ||
c3e37e97 C |
130 | | PC.TPragma(Ast.Noindent s,_) -> s |
131 | | PC.TPragma(Ast.Indent s,_) -> s | |
190f1acf | 132 | | PC.TPragma(Ast.Space s,_) -> s |
34e49164 C |
133 | | PC.TIncludeL(s,clt) -> (pr "#include \"%s\"" s)^(line_type2c clt) |
134 | | PC.TIncludeNL(s,clt) -> (pr "#include <%s>" s)^(line_type2c clt) | |
3a314143 | 135 | | PC.TUndef(clt,_) -> "#undef"^(line_type2c clt) |
34e49164 | 136 | | PC.TDefine(clt,_) -> "#define"^(line_type2c clt) |
708f4980 | 137 | | PC.TDefineParam(clt,_,_,_) -> "#define_param"^(line_type2c clt) |
34e49164 C |
138 | | PC.TMinusFile(s,clt) -> (pr "--- %s" s)^(line_type2c clt) |
139 | | PC.TPlusFile(s,clt) -> (pr "+++ %s" s)^(line_type2c clt) | |
140 | ||
141 | | PC.TInc(clt) -> "++"^(line_type2c clt) | |
142 | | PC.TDec(clt) -> "--"^(line_type2c clt) | |
faf9a90c | 143 | |
34e49164 C |
144 | | PC.TIf(clt) -> "if"^(line_type2c clt) |
145 | | PC.TElse(clt) -> "else"^(line_type2c clt) | |
146 | | PC.TWhile(clt) -> "while"^(line_type2c clt) | |
147 | | PC.TFor(clt) -> "for"^(line_type2c clt) | |
148 | | PC.TDo(clt) -> "do"^(line_type2c clt) | |
149 | | PC.TSwitch(clt) -> "switch"^(line_type2c clt) | |
150 | | PC.TCase(clt) -> "case"^(line_type2c clt) | |
151 | | PC.TDefault(clt) -> "default"^(line_type2c clt) | |
152 | | PC.TReturn(clt) -> "return"^(line_type2c clt) | |
153 | | PC.TBreak(clt) -> "break"^(line_type2c clt) | |
154 | | PC.TContinue(clt) -> "continue"^(line_type2c clt) | |
155 | | PC.TGoto(clt) -> "goto"^(line_type2c clt) | |
156 | | PC.TIdent(s,clt) -> (pr "ident-%s" s)^(line_type2c clt) | |
157 | | PC.TTypeId(s,clt) -> (pr "typename-%s" s)^(line_type2c clt) | |
158 | | PC.TDeclarerId(s,clt) -> (pr "declarername-%s" s)^(line_type2c clt) | |
159 | | PC.TIteratorId(s,clt) -> (pr "iteratorname-%s" s)^(line_type2c clt) | |
97111a47 | 160 | | PC.TSymId(s,clt) -> (pr "symbol-%s" s)^(line_type2c clt) |
34e49164 C |
161 | | PC.TMetaDeclarer(_,_,_,clt) -> "declmeta"^(line_type2c clt) |
162 | | PC.TMetaIterator(_,_,_,clt) -> "itermeta"^(line_type2c clt) | |
163 | ||
164 | | PC.TSizeof(clt) -> "sizeof"^(line_type2c clt) | |
165 | ||
166 | | PC.TString(x,clt) -> x^(line_type2c clt) | |
167 | | PC.TChar(x,clt) -> x^(line_type2c clt) | |
168 | | PC.TFloat(x,clt) -> x^(line_type2c clt) | |
169 | | PC.TInt(x,clt) -> x^(line_type2c clt) | |
170 | ||
171 | | PC.TOrLog(clt) -> "||"^(line_type2c clt) | |
172 | | PC.TAndLog(clt) -> "&&"^(line_type2c clt) | |
173 | | PC.TOr(clt) -> "|"^(line_type2c clt) | |
174 | | PC.TXor(clt) -> "^"^(line_type2c clt) | |
175 | | PC.TAnd (clt) -> "&"^(line_type2c clt) | |
176 | | PC.TEqEq(clt) -> "=="^(line_type2c clt) | |
177 | | PC.TNotEq(clt) -> "!="^(line_type2c clt) | |
5636bb2c | 178 | | PC.TSub(clt) -> "<="^(line_type2c clt) |
951c7801 C |
179 | | PC.TTildeEq(clt) -> "~="^(line_type2c clt) |
180 | | PC.TTildeExclEq(clt) -> "~!="^(line_type2c clt) | |
34e49164 C |
181 | | PC.TLogOp(op,clt) -> |
182 | (match op with | |
183 | Ast.Inf -> "<" | |
184 | | Ast.InfEq -> "<=" | |
185 | | Ast.Sup -> ">" | |
186 | | Ast.SupEq -> ">=" | |
187 | | _ -> failwith "not possible") | |
188 | ^(line_type2c clt) | |
413ffc02 C |
189 | | PC.TShLOp(op,clt) -> "<<"^(line_type2c clt) |
190 | | PC.TShROp(op,clt) -> ">>"^(line_type2c clt) | |
34e49164 C |
191 | | PC.TPlus(clt) -> "+"^(line_type2c clt) |
192 | | PC.TMinus(clt) -> "-"^(line_type2c clt) | |
193 | | PC.TMul(clt) -> "*"^(line_type2c clt) | |
194 | | PC.TDmOp(op,clt) -> | |
195 | (match op with | |
196 | Ast.Div -> "/" | |
197 | | Ast.Mod -> "%" | |
198 | | _ -> failwith "not possible") | |
199 | ^(line_type2c clt) | |
200 | | PC.TTilde (clt) -> "~"^(line_type2c clt) | |
201 | ||
b23ff9c7 | 202 | | PC.TMeta(_,_,clt) -> "meta"^(line_type2c clt) |
34e49164 C |
203 | | PC.TMetaParam(_,_,clt) -> "parammeta"^(line_type2c clt) |
204 | | PC.TMetaParamList(_,_,_,clt) -> "paramlistmeta"^(line_type2c clt) | |
205 | | PC.TMetaConst(_,_,_,_,clt) -> "constmeta"^(line_type2c clt) | |
206 | | PC.TMetaErr(_,_,_,clt) -> "errmeta"^(line_type2c clt) | |
207 | | PC.TMetaExp(_,_,_,_,clt) -> "expmeta"^(line_type2c clt) | |
208 | | PC.TMetaIdExp(_,_,_,_,clt) -> "idexpmeta"^(line_type2c clt) | |
209 | | PC.TMetaLocalIdExp(_,_,_,_,clt) -> "localidexpmeta"^(line_type2c clt) | |
210 | | PC.TMetaExpList(_,_,_,clt) -> "explistmeta"^(line_type2c clt) | |
8babbc8f | 211 | | PC.TMetaId(nm,_,_,_,clt) -> "idmeta-"^(Dumper.dump nm)^(line_type2c clt) |
34e49164 | 212 | | PC.TMetaType(_,_,clt) -> "typemeta"^(line_type2c clt) |
113803cf | 213 | | PC.TMetaInit(_,_,clt) -> "initmeta"^(line_type2c clt) |
8f657093 | 214 | | PC.TMetaInitList(_,_,_,clt) -> "initlistmeta"^(line_type2c clt) |
413ffc02 C |
215 | | PC.TMetaDecl(_,_,clt) -> "declmeta"^(line_type2c clt) |
216 | | PC.TMetaField(_,_,clt) -> "fieldmeta"^(line_type2c clt) | |
190f1acf | 217 | | PC.TMetaFieldList(_,_,_,clt) -> "fieldlistmeta"^(line_type2c clt) |
413ffc02 C |
218 | | PC.TMetaStm(_,_,clt) -> "stmmeta"^(line_type2c clt) |
219 | | PC.TMetaStmList(_,_,clt) -> "stmlistmeta"^(line_type2c clt) | |
34e49164 C |
220 | | PC.TMetaFunc(_,_,_,clt) -> "funcmeta"^(line_type2c clt) |
221 | | PC.TMetaLocalFunc(_,_,_,clt) -> "funcmeta"^(line_type2c clt) | |
222 | | PC.TMetaPos(_,_,_,clt) -> "posmeta" | |
223 | | PC.TMPtVirg -> ";" | |
224 | | PC.TArobArob -> "@@" | |
225 | | PC.TArob -> "@" | |
17ba0788 | 226 | | PC.TPArob clt -> "P@" |
1be43e12 | 227 | | PC.TScript -> "script" |
b1b2de81 C |
228 | | PC.TInitialize -> "initialize" |
229 | | PC.TFinalize -> "finalize" | |
34e49164 C |
230 | |
231 | | PC.TWhen(clt) -> "WHEN"^(line_type2c clt) | |
1be43e12 C |
232 | | PC.TWhenTrue(clt) -> "WHEN TRUE"^(line_type2c clt) |
233 | | PC.TWhenFalse(clt) -> "WHEN FALSE"^(line_type2c clt) | |
34e49164 C |
234 | | PC.TAny(clt) -> "ANY"^(line_type2c clt) |
235 | | PC.TStrict(clt) -> "STRICT"^(line_type2c clt) | |
236 | | PC.TEllipsis(clt) -> "..."^(line_type2c clt) | |
237 | (* | |
238 | | PC.TCircles(clt) -> "ooo"^(line_type2c clt) | |
239 | | PC.TStars(clt) -> "***"^(line_type2c clt) | |
240 | *) | |
241 | ||
242 | | PC.TOEllipsis(clt) -> "<..."^(line_type2c clt) | |
243 | | PC.TCEllipsis(clt) -> "...>"^(line_type2c clt) | |
244 | | PC.TPOEllipsis(clt) -> "<+..."^(line_type2c clt) | |
245 | | PC.TPCEllipsis(clt) -> "...+>"^(line_type2c clt) | |
246 | (* | |
247 | | PC.TOCircles(clt) -> "<ooo"^(line_type2c clt) | |
248 | | PC.TCCircles(clt) -> "ooo>"^(line_type2c clt) | |
249 | | PC.TOStars(clt) -> "<***"^(line_type2c clt) | |
250 | | PC.TCStars(clt) -> "***>"^(line_type2c clt) | |
251 | *) | |
252 | | PC.TBang0 -> "!" | |
253 | | PC.TPlus0 -> "+" | |
254 | | PC.TWhy0 -> "?" | |
255 | ||
256 | | PC.TWhy(clt) -> "?"^(line_type2c clt) | |
257 | | PC.TDotDot(clt) -> ":"^(line_type2c clt) | |
258 | | PC.TBang(clt) -> "!"^(line_type2c clt) | |
259 | | PC.TOPar(clt) -> "("^(line_type2c clt) | |
260 | | PC.TOPar0(clt) -> "("^(line_type2c clt) | |
261 | | PC.TMid0(clt) -> "|"^(line_type2c clt) | |
262 | | PC.TCPar(clt) -> ")"^(line_type2c clt) | |
263 | | PC.TCPar0(clt) -> ")"^(line_type2c clt) | |
264 | ||
265 | | PC.TOBrace(clt) -> "{"^(line_type2c clt) | |
266 | | PC.TCBrace(clt) -> "}"^(line_type2c clt) | |
267 | | PC.TOCro(clt) -> "["^(line_type2c clt) | |
268 | | PC.TCCro(clt) -> "]"^(line_type2c clt) | |
1be43e12 | 269 | | PC.TOInit(clt) -> "{"^(line_type2c clt) |
34e49164 C |
270 | |
271 | | PC.TPtrOp(clt) -> "->"^(line_type2c clt) | |
272 | ||
273 | | PC.TEq(clt) -> "="^(line_type2c clt) | |
274 | | PC.TAssign(_,clt) -> "=op"^(line_type2c clt) | |
275 | | PC.TDot(clt) -> "."^(line_type2c clt) | |
276 | | PC.TComma(clt) -> ","^(line_type2c clt) | |
277 | | PC.TPtVirg(clt) -> ";"^(line_type2c clt) | |
278 | ||
279 | | PC.EOF -> "eof" | |
280 | | PC.TLineEnd(clt) -> "line end" | |
281 | | PC.TInvalid -> "invalid" | |
282 | | PC.TFunDecl(clt) -> "fundecl" | |
283 | ||
284 | | PC.TIso -> "<=>" | |
285 | | PC.TRightIso -> "=>" | |
286 | | PC.TIsoTopLevel -> "TopLevel" | |
287 | | PC.TIsoExpression -> "Expression" | |
288 | | PC.TIsoArgExpression -> "ArgExpression" | |
289 | | PC.TIsoTestExpression -> "TestExpression" | |
c3e37e97 | 290 | | PC.TIsoToTestExpression -> "ToTestExpression" |
34e49164 C |
291 | | PC.TIsoStatement -> "Statement" |
292 | | PC.TIsoDeclaration -> "Declaration" | |
293 | | PC.TIsoType -> "Type" | |
aba5c457 | 294 | | PC.TUnderscore -> "_" |
34e49164 C |
295 | | PC.TScriptData s -> s |
296 | ||
297 | let print_tokens s tokens = | |
298 | Printf.printf "%s\n" s; | |
993936c0 | 299 | List.iter (function x -> Printf.printf "|%s| " (token2c x)) tokens; |
34e49164 C |
300 | Printf.printf "\n\n"; |
301 | flush stdout | |
302 | ||
303 | type plus = PLUS | NOTPLUS | SKIP | |
304 | ||
0708f913 | 305 | let plus_attachable only_plus (tok,_) = |
34e49164 C |
306 | match tok with |
307 | PC.Tchar(clt) | PC.Tshort(clt) | PC.Tint(clt) | PC.Tdouble(clt) | |
1eddfd50 C |
308 | | PC.Tfloat(clt) | PC.Tlong(clt) |
309 | | PC.Tsize_t(clt) | PC.Tssize_t(clt) | PC.Tptrdiff_t(clt) | |
310 | | PC.Tstruct(clt) | |
faf9a90c C |
311 | | PC.Tunion(clt) | PC.Tenum(clt) | PC.Tunsigned(clt) | PC.Tsigned(clt) |
312 | | PC.Tstatic(clt) | |
34e49164 C |
313 | | PC.Tinline(clt) | PC.Ttypedef(clt) | PC.Tattr(_,clt) |
314 | | PC.Tauto(clt) | PC.Tregister(clt) | |
315 | | PC.Textern(clt) | PC.Tconst(clt) | PC.Tvolatile(clt) | |
316 | ||
3a314143 C |
317 | | PC.TIncludeL(_,clt) | PC.TIncludeNL(_,clt) | PC.TUndef(clt,_) |
318 | | PC.TDefine(clt,_) | |
708f4980 | 319 | | PC.TDefineParam(clt,_,_,_) | PC.TMinusFile(_,clt) | PC.TPlusFile(_,clt) |
34e49164 C |
320 | |
321 | | PC.TInc(clt) | PC.TDec(clt) | |
faf9a90c | 322 | |
34e49164 C |
323 | | PC.TIf(clt) | PC.TElse(clt) | PC.TWhile(clt) | PC.TFor(clt) | PC.TDo(clt) |
324 | | PC.TSwitch(clt) | PC.TCase(clt) | PC.TDefault(clt) | PC.TReturn(clt) | |
325 | | PC.TBreak(clt) | PC.TContinue(clt) | PC.TGoto(clt) | PC.TIdent(_,clt) | |
326 | | PC.TTypeId(_,clt) | PC.TDeclarerId(_,clt) | PC.TIteratorId(_,clt) | |
327 | ||
328 | | PC.TSizeof(clt) | |
329 | ||
330 | | PC.TString(_,clt) | PC.TChar(_,clt) | PC.TFloat(_,clt) | PC.TInt(_,clt) | |
331 | ||
332 | | PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt) | |
5636bb2c C |
333 | | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt) |
334 | | PC.TLogOp(_,clt) | |
413ffc02 C |
335 | | PC.TShLOp(_,clt) | PC.TShROp(_,clt) |
336 | | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt) | |
34e49164 C |
337 | | PC.TDmOp(_,clt) | PC.TTilde (clt) |
338 | ||
b23ff9c7 | 339 | | PC.TMeta(_,_,clt) | PC.TMetaParam(_,_,clt) | PC.TMetaParamList(_,_,_,clt) |
34e49164 C |
340 | | PC.TMetaConst(_,_,_,_,clt) | PC.TMetaErr(_,_,_,clt) |
341 | | PC.TMetaExp(_,_,_,_,clt) | PC.TMetaIdExp(_,_,_,_,clt) | |
342 | | PC.TMetaLocalIdExp(_,_,_,_,clt) | |
343 | | PC.TMetaExpList(_,_,_,clt) | |
8babbc8f | 344 | | PC.TMetaId(_,_,_,_,clt) |
8f657093 C |
345 | | PC.TMetaType(_,_,clt) | PC.TMetaInit(_,_,clt) | PC.TMetaInitList(_,_,_,clt) |
346 | | PC.TMetaStm(_,_,clt) | |
190f1acf C |
347 | | PC.TMetaStmList(_,_,clt) |
348 | | PC.TMetaDecl(_,_,clt) | PC.TMetaField(_,_,clt) | |
349 | | PC.TMetaFieldList(_,_,_,clt) | |
413ffc02 | 350 | | PC.TMetaFunc(_,_,_,clt) | PC.TMetaLocalFunc(_,_,_,clt) |
34e49164 | 351 | |
1be43e12 C |
352 | | PC.TWhen(clt) | PC.TWhenTrue(clt) | PC.TWhenFalse(clt) |
353 | | PC.TAny(clt) | PC.TStrict(clt) | PC.TEllipsis(clt) | |
34e49164 | 354 | (* | PC.TCircles(clt) | PC.TStars(clt) *) |
5636bb2c C |
355 | | PC.TOEllipsis(clt) | PC.TCEllipsis(clt) |
356 | | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) (* | PC.TOCircles(clt) | |
357 | | PC.TCCircles(clt) | PC.TOStars(clt) | PC.TCStars(clt) *) | |
34e49164 | 358 | |
faf9a90c | 359 | | PC.TWhy(clt) | PC.TDotDot(clt) | PC.TBang(clt) | PC.TOPar(clt) |
34e49164 C |
360 | | PC.TCPar(clt) |
361 | ||
362 | | PC.TOBrace(clt) | PC.TCBrace(clt) | PC.TOCro(clt) | PC.TCCro(clt) | |
faf9a90c | 363 | | PC.TOInit(clt) |
34e49164 C |
364 | |
365 | | PC.TPtrOp(clt) | |
366 | ||
367 | | PC.TEq(clt) | PC.TAssign(_,clt) | PC.TDot(clt) | PC.TComma(clt) | |
368 | | PC.TPtVirg(clt) -> | |
951c7801 | 369 | if List.mem (line_type clt) [D.PLUS;D.PLUSPLUS] |
0708f913 C |
370 | then PLUS |
371 | else if only_plus then NOTPLUS | |
372 | else if line_type clt = D.CONTEXT then PLUS else NOTPLUS | |
34e49164 | 373 | |
5636bb2c | 374 | | PC.TOPar0(clt) | PC.TMid0(clt) | PC.TCPar0(clt) -> NOTPLUS |
34e49164 | 375 | | PC.TMetaPos(nm,_,_,_) -> NOTPLUS |
5636bb2c | 376 | | PC.TSub(clt) -> NOTPLUS |
34e49164 C |
377 | |
378 | | _ -> SKIP | |
379 | ||
380 | let get_clt (tok,_) = | |
381 | match tok with | |
382 | PC.Tchar(clt) | PC.Tshort(clt) | PC.Tint(clt) | PC.Tdouble(clt) | |
1eddfd50 C |
383 | | PC.Tfloat(clt) | PC.Tlong(clt) | PC.Tvoid(clt) |
384 | | PC.Tsize_t(clt) | PC.Tssize_t(clt) | PC.Tptrdiff_t(clt) | |
385 | | PC.Tstruct(clt) | |
faf9a90c C |
386 | | PC.Tunion(clt) | PC.Tenum(clt) | PC.Tunsigned(clt) | PC.Tsigned(clt) |
387 | | PC.Tstatic(clt) | |
34e49164 C |
388 | | PC.Tinline(clt) | PC.Tattr(_,clt) | PC.Tauto(clt) | PC.Tregister(clt) |
389 | | PC.Textern(clt) | PC.Tconst(clt) | PC.Tvolatile(clt) | |
390 | ||
3a314143 C |
391 | | PC.TIncludeL(_,clt) | PC.TIncludeNL(_,clt) | PC.TUndef(clt,_) |
392 | | PC.TDefine(clt,_) | |
708f4980 | 393 | | PC.TDefineParam(clt,_,_,_) | PC.TMinusFile(_,clt) | PC.TPlusFile(_,clt) |
34e49164 C |
394 | |
395 | | PC.TInc(clt) | PC.TDec(clt) | |
faf9a90c | 396 | |
34e49164 C |
397 | | PC.TIf(clt) | PC.TElse(clt) | PC.TWhile(clt) | PC.TFor(clt) | PC.TDo(clt) |
398 | | PC.TSwitch(clt) | PC.TCase(clt) | PC.TDefault(clt) | PC.TReturn(clt) | |
399 | | PC.TBreak(clt) | PC.TContinue(clt) | PC.TGoto(clt) | PC.TIdent(_,clt) | |
97111a47 C |
400 | | PC.TTypeId(_,clt) | PC.TSymId(_,clt) |
401 | | PC.TDeclarerId(_,clt) | PC.TIteratorId(_,clt) | |
402 | ||
34e49164 C |
403 | | PC.TSizeof(clt) |
404 | ||
405 | | PC.TString(_,clt) | PC.TChar(_,clt) | PC.TFloat(_,clt) | PC.TInt(_,clt) | |
406 | ||
407 | | PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt) | |
5636bb2c C |
408 | | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt) |
409 | | PC.TSub(clt) | PC.TLogOp(_,clt) | |
413ffc02 C |
410 | | PC.TShLOp(_,clt) | PC.TShROp(_,clt) |
411 | | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt) | |
34e49164 C |
412 | | PC.TDmOp(_,clt) | PC.TTilde (clt) |
413 | ||
b23ff9c7 | 414 | | PC.TMeta(_,_,clt) | PC.TMetaParam(_,_,clt) | PC.TMetaParamList(_,_,_,clt) |
34e49164 C |
415 | | PC.TMetaConst(_,_,_,_,clt) | PC.TMetaErr(_,_,_,clt) |
416 | | PC.TMetaExp(_,_,_,_,clt) | PC.TMetaIdExp(_,_,_,_,clt) | |
417 | | PC.TMetaLocalIdExp(_,_,_,_,clt) | |
418 | | PC.TMetaExpList(_,_,_,clt) | |
8babbc8f | 419 | | PC.TMetaId(_,_,_,_,clt) |
8f657093 C |
420 | | PC.TMetaType(_,_,clt) | PC.TMetaInit(_,_,clt) | PC.TMetaInitList(_,_,_,clt) |
421 | | PC.TMetaStm(_,_,clt) | |
190f1acf C |
422 | | PC.TMetaStmList(_,_,clt) |
423 | | PC.TMetaDecl(_,_,clt) | PC.TMetaField(_,_,clt) | |
424 | | PC.TMetaFieldList(_,_,_,clt) | |
413ffc02 C |
425 | | PC.TMetaFunc(_,_,_,clt) | PC.TMetaLocalFunc(_,_,_,clt) |
426 | | PC.TMetaPos(_,_,_,clt) | |
97111a47 | 427 | | PC.TMetaDeclarer(_,_,_,clt) | PC.TMetaIterator(_,_,_,clt) |
34e49164 | 428 | |
1be43e12 C |
429 | | PC.TWhen(clt) | PC.TWhenTrue(clt) | PC.TWhenFalse(clt) | |
430 | PC.TAny(clt) | PC.TStrict(clt) | PC.TEllipsis(clt) | |
34e49164 C |
431 | (* | PC.TCircles(clt) | PC.TStars(clt) *) |
432 | ||
faf9a90c | 433 | | PC.TWhy(clt) | PC.TDotDot(clt) | PC.TBang(clt) | PC.TOPar(clt) |
34e49164 C |
434 | | PC.TCPar(clt) |
435 | ||
436 | | PC.TOBrace(clt) | PC.TCBrace(clt) | PC.TOCro(clt) | PC.TCCro(clt) | |
1be43e12 | 437 | | PC.TOInit(clt) |
34e49164 C |
438 | |
439 | | PC.TPtrOp(clt) | |
440 | ||
441 | | PC.TEq(clt) | PC.TAssign(_,clt) | PC.TDot(clt) | PC.TComma(clt) | |
17ba0788 | 442 | | PC.TPArob(clt) | PC.TPtVirg(clt) |
34e49164 C |
443 | |
444 | | PC.TOPar0(clt) | PC.TMid0(clt) | PC.TCPar0(clt) | |
445 | | PC.TOEllipsis(clt) | PC.TCEllipsis(clt) | |
446 | | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) (* | PC.TOCircles(clt) | |
447 | | PC.TCCircles(clt) | PC.TOStars(clt) | PC.TCStars(clt) *) -> clt | |
448 | ||
449 | | _ -> failwith "no clt" | |
450 | ||
451 | let update_clt (tok,x) clt = | |
452 | match tok with | |
453 | PC.Tchar(_) -> (PC.Tchar(clt),x) | |
454 | | PC.Tshort(_) -> (PC.Tshort(clt),x) | |
455 | | PC.Tint(_) -> (PC.Tint(clt),x) | |
456 | | PC.Tdouble(_) -> (PC.Tdouble(clt),x) | |
457 | | PC.Tfloat(_) -> (PC.Tfloat(clt),x) | |
458 | | PC.Tlong(_) -> (PC.Tlong(clt),x) | |
459 | | PC.Tvoid(_) -> (PC.Tvoid(clt),x) | |
1eddfd50 C |
460 | | PC.Tsize_t(_) -> (PC.Tsize_t(clt),x) |
461 | | PC.Tssize_t(_) -> (PC.Tssize_t(clt),x) | |
462 | | PC.Tptrdiff_t(_) -> (PC.Tptrdiff_t(clt),x) | |
34e49164 C |
463 | | PC.Tstruct(_) -> (PC.Tstruct(clt),x) |
464 | | PC.Tunion(_) -> (PC.Tunion(clt),x) | |
faf9a90c | 465 | | PC.Tenum(_) -> (PC.Tenum(clt),x) |
34e49164 C |
466 | | PC.Tunsigned(_) -> (PC.Tunsigned(clt),x) |
467 | | PC.Tsigned(_) -> (PC.Tsigned(clt),x) | |
468 | | PC.Tstatic(_) -> (PC.Tstatic(clt),x) | |
469 | | PC.Tinline(_) -> (PC.Tinline(clt),x) | |
470 | | PC.Ttypedef(_) -> (PC.Ttypedef(clt),x) | |
471 | | PC.Tattr(s,_) -> (PC.Tattr(s,clt),x) | |
472 | | PC.Tauto(_) -> (PC.Tauto(clt),x) | |
473 | | PC.Tregister(_) -> (PC.Tregister(clt),x) | |
474 | | PC.Textern(_) -> (PC.Textern(clt),x) | |
475 | | PC.Tconst(_) -> (PC.Tconst(clt),x) | |
476 | | PC.Tvolatile(_) -> (PC.Tvolatile(clt),x) | |
477 | ||
478 | | PC.TIncludeL(s,_) -> (PC.TIncludeL(s,clt),x) | |
479 | | PC.TIncludeNL(s,_) -> (PC.TIncludeNL(s,clt),x) | |
3a314143 | 480 | | PC.TUndef(_,a) -> (PC.TUndef(clt,a),x) |
34e49164 | 481 | | PC.TDefine(_,a) -> (PC.TDefine(clt,a),x) |
708f4980 | 482 | | PC.TDefineParam(_,a,b,c) -> (PC.TDefineParam(clt,a,b,c),x) |
34e49164 C |
483 | | PC.TMinusFile(s,_) -> (PC.TMinusFile(s,clt),x) |
484 | | PC.TPlusFile(s,_) -> (PC.TPlusFile(s,clt),x) | |
485 | ||
486 | | PC.TInc(_) -> (PC.TInc(clt),x) | |
487 | | PC.TDec(_) -> (PC.TDec(clt),x) | |
faf9a90c | 488 | |
34e49164 C |
489 | | PC.TIf(_) -> (PC.TIf(clt),x) |
490 | | PC.TElse(_) -> (PC.TElse(clt),x) | |
491 | | PC.TWhile(_) -> (PC.TWhile(clt),x) | |
492 | | PC.TFor(_) -> (PC.TFor(clt),x) | |
493 | | PC.TDo(_) -> (PC.TDo(clt),x) | |
494 | | PC.TSwitch(_) -> (PC.TSwitch(clt),x) | |
495 | | PC.TCase(_) -> (PC.TCase(clt),x) | |
496 | | PC.TDefault(_) -> (PC.TDefault(clt),x) | |
497 | | PC.TReturn(_) -> (PC.TReturn(clt),x) | |
498 | | PC.TBreak(_) -> (PC.TBreak(clt),x) | |
499 | | PC.TContinue(_) -> (PC.TContinue(clt),x) | |
500 | | PC.TGoto(_) -> (PC.TGoto(clt),x) | |
501 | | PC.TIdent(s,_) -> (PC.TIdent(s,clt),x) | |
502 | | PC.TTypeId(s,_) -> (PC.TTypeId(s,clt),x) | |
503 | | PC.TDeclarerId(s,_) -> (PC.TDeclarerId(s,clt),x) | |
504 | | PC.TIteratorId(s,_) -> (PC.TIteratorId(s,clt),x) | |
97111a47 | 505 | | PC.TSymId(a,_) -> (PC.TSymId(a,clt),x) |
34e49164 C |
506 | |
507 | | PC.TSizeof(_) -> (PC.TSizeof(clt),x) | |
508 | ||
509 | | PC.TString(s,_) -> (PC.TString(s,clt),x) | |
510 | | PC.TChar(s,_) -> (PC.TChar(s,clt),x) | |
511 | | PC.TFloat(s,_) -> (PC.TFloat(s,clt),x) | |
512 | | PC.TInt(s,_) -> (PC.TInt(s,clt),x) | |
513 | ||
514 | | PC.TOrLog(_) -> (PC.TOrLog(clt),x) | |
515 | | PC.TAndLog(_) -> (PC.TAndLog(clt),x) | |
516 | | PC.TOr(_) -> (PC.TOr(clt),x) | |
517 | | PC.TXor(_) -> (PC.TXor(clt),x) | |
518 | | PC.TAnd (_) -> (PC.TAnd (clt),x) | |
519 | | PC.TEqEq(_) -> (PC.TEqEq(clt),x) | |
520 | | PC.TNotEq(_) -> (PC.TNotEq(clt),x) | |
951c7801 | 521 | | PC.TTildeEq(_) -> (PC.TTildeEq(clt),x) |
5636bb2c | 522 | | PC.TSub(_) -> (PC.TSub(clt),x) |
34e49164 | 523 | | PC.TLogOp(op,_) -> (PC.TLogOp(op,clt),x) |
413ffc02 C |
524 | | PC.TShLOp(op,_) -> (PC.TShLOp(op,clt),x) |
525 | | PC.TShROp(op,_) -> (PC.TShROp(op,clt),x) | |
34e49164 C |
526 | | PC.TPlus(_) -> (PC.TPlus(clt),x) |
527 | | PC.TMinus(_) -> (PC.TMinus(clt),x) | |
528 | | PC.TMul(_) -> (PC.TMul(clt),x) | |
529 | | PC.TDmOp(op,_) -> (PC.TDmOp(op,clt),x) | |
530 | | PC.TTilde (_) -> (PC.TTilde (clt),x) | |
531 | ||
b23ff9c7 | 532 | | PC.TMeta(a,b,_) -> (PC.TMeta(a,b,clt),x) |
34e49164 C |
533 | | PC.TMetaParam(a,b,_) -> (PC.TMetaParam(a,b,clt),x) |
534 | | PC.TMetaParamList(a,b,c,_) -> (PC.TMetaParamList(a,b,c,clt),x) | |
535 | | PC.TMetaConst(a,b,c,d,_) -> (PC.TMetaConst(a,b,c,d,clt),x) | |
536 | | PC.TMetaErr(a,b,c,_) -> (PC.TMetaErr(a,b,c,clt),x) | |
537 | | PC.TMetaExp(a,b,c,d,_) -> (PC.TMetaExp(a,b,c,d,clt),x) | |
538 | | PC.TMetaIdExp(a,b,c,d,_) -> (PC.TMetaIdExp(a,b,c,d,clt),x) | |
539 | | PC.TMetaLocalIdExp(a,b,c,d,_) -> (PC.TMetaLocalIdExp(a,b,c,d,clt),x) | |
540 | | PC.TMetaExpList(a,b,c,_) -> (PC.TMetaExpList(a,b,c,clt),x) | |
8babbc8f | 541 | | PC.TMetaId(a,b,c,d,_) -> (PC.TMetaId(a,b,c,d,clt),x) |
34e49164 | 542 | | PC.TMetaType(a,b,_) -> (PC.TMetaType(a,b,clt),x) |
113803cf | 543 | | PC.TMetaInit(a,b,_) -> (PC.TMetaInit(a,b,clt),x) |
8f657093 | 544 | | PC.TMetaInitList(a,b,c,_) -> (PC.TMetaInitList(a,b,c,clt),x) |
413ffc02 C |
545 | | PC.TMetaDecl(a,b,_) -> (PC.TMetaDecl(a,b,clt),x) |
546 | | PC.TMetaField(a,b,_) -> (PC.TMetaField(a,b,clt),x) | |
190f1acf | 547 | | PC.TMetaFieldList(a,b,c,_) -> (PC.TMetaFieldList(a,b,c,clt),x) |
413ffc02 C |
548 | | PC.TMetaStm(a,b,_) -> (PC.TMetaStm(a,b,clt),x) |
549 | | PC.TMetaStmList(a,b,_) -> (PC.TMetaStmList(a,b,clt),x) | |
34e49164 C |
550 | | PC.TMetaFunc(a,b,c,_) -> (PC.TMetaFunc(a,b,c,clt),x) |
551 | | PC.TMetaLocalFunc(a,b,c,_) -> (PC.TMetaLocalFunc(a,b,c,clt),x) | |
552 | ||
97111a47 C |
553 | | PC.TMetaDeclarer(a,b,c,_) -> (PC.TMetaDeclarer(a,b,c,clt),x) |
554 | | PC.TMetaIterator(a,b,c,_) -> (PC.TMetaIterator(a,b,c,clt),x) | |
555 | ||
34e49164 | 556 | | PC.TWhen(_) -> (PC.TWhen(clt),x) |
1be43e12 C |
557 | | PC.TWhenTrue(_) -> (PC.TWhenTrue(clt),x) |
558 | | PC.TWhenFalse(_) -> (PC.TWhenFalse(clt),x) | |
34e49164 C |
559 | | PC.TAny(_) -> (PC.TAny(clt),x) |
560 | | PC.TStrict(_) -> (PC.TStrict(clt),x) | |
561 | | PC.TEllipsis(_) -> (PC.TEllipsis(clt),x) | |
562 | (* | |
563 | | PC.TCircles(_) -> (PC.TCircles(clt),x) | |
564 | | PC.TStars(_) -> (PC.TStars(clt),x) | |
565 | *) | |
566 | ||
567 | | PC.TOEllipsis(_) -> (PC.TOEllipsis(clt),x) | |
568 | | PC.TCEllipsis(_) -> (PC.TCEllipsis(clt),x) | |
569 | | PC.TPOEllipsis(_) -> (PC.TPOEllipsis(clt),x) | |
570 | | PC.TPCEllipsis(_) -> (PC.TPCEllipsis(clt),x) | |
571 | (* | |
572 | | PC.TOCircles(_) -> (PC.TOCircles(clt),x) | |
573 | | PC.TCCircles(_) -> (PC.TCCircles(clt),x) | |
574 | | PC.TOStars(_) -> (PC.TOStars(clt),x) | |
575 | | PC.TCStars(_) -> (PC.TCStars(clt),x) | |
576 | *) | |
577 | ||
578 | | PC.TWhy(_) -> (PC.TWhy(clt),x) | |
579 | | PC.TDotDot(_) -> (PC.TDotDot(clt),x) | |
580 | | PC.TBang(_) -> (PC.TBang(clt),x) | |
581 | | PC.TOPar(_) -> (PC.TOPar(clt),x) | |
582 | | PC.TOPar0(_) -> (PC.TOPar0(clt),x) | |
583 | | PC.TMid0(_) -> (PC.TMid0(clt),x) | |
584 | | PC.TCPar(_) -> (PC.TCPar(clt),x) | |
585 | | PC.TCPar0(_) -> (PC.TCPar0(clt),x) | |
586 | ||
587 | | PC.TOBrace(_) -> (PC.TOBrace(clt),x) | |
588 | | PC.TCBrace(_) -> (PC.TCBrace(clt),x) | |
589 | | PC.TOCro(_) -> (PC.TOCro(clt),x) | |
590 | | PC.TCCro(_) -> (PC.TCCro(clt),x) | |
1be43e12 | 591 | | PC.TOInit(_) -> (PC.TOInit(clt),x) |
34e49164 C |
592 | |
593 | | PC.TPtrOp(_) -> (PC.TPtrOp(clt),x) | |
594 | ||
595 | | PC.TEq(_) -> (PC.TEq(clt),x) | |
596 | | PC.TAssign(s,_) -> (PC.TAssign(s,clt),x) | |
597 | | PC.TDot(_) -> (PC.TDot(clt),x) | |
598 | | PC.TComma(_) -> (PC.TComma(clt),x) | |
17ba0788 | 599 | | PC.TPArob(_) -> (PC.TPArob(clt),x) |
34e49164 C |
600 | | PC.TPtVirg(_) -> (PC.TPtVirg(clt),x) |
601 | ||
602 | | PC.TLineEnd(_) -> (PC.TLineEnd(clt),x) | |
603 | | PC.TFunDecl(_) -> (PC.TFunDecl(clt),x) | |
604 | ||
605 | | _ -> failwith "no clt" | |
606 | ||
607 | ||
608 | (* ----------------------------------------------------------------------- *) | |
609 | ||
610 | let make_name prefix ln = Printf.sprintf "%s starting on line %d" prefix ln | |
611 | ||
612 | (* ----------------------------------------------------------------------- *) | |
613 | (* Read tokens *) | |
614 | ||
615 | let wrap_lexbuf_info lexbuf = | |
faf9a90c | 616 | (Lexing.lexeme lexbuf, Lexing.lexeme_start lexbuf) |
34e49164 C |
617 | |
618 | let tokens_all_full token table file get_ats lexbuf end_markers : | |
619 | (bool * ((PC.token * (string * (int * int) * (int * int))) list)) = | |
faf9a90c C |
620 | try |
621 | let rec aux () = | |
34e49164 | 622 | let result = token lexbuf in |
faf9a90c | 623 | let info = (Lexing.lexeme lexbuf, |
34e49164 C |
624 | (table.(Lexing.lexeme_start lexbuf)), |
625 | (Lexing.lexeme_start lexbuf, Lexing.lexeme_end lexbuf)) in | |
faf9a90c | 626 | if result = PC.EOF |
34e49164 C |
627 | then |
628 | if get_ats | |
629 | then failwith "unexpected end of file in a metavariable declaration" | |
630 | else (false,[(result,info)]) | |
631 | else if List.mem result end_markers | |
632 | then (true,[(result,info)]) | |
633 | else | |
634 | let (more,rest) = aux() in | |
635 | (more,(result, info)::rest) | |
faf9a90c | 636 | in aux () |
34e49164 C |
637 | with |
638 | e -> pr2 (Common.error_message file (wrap_lexbuf_info lexbuf) ); raise e | |
639 | ||
640 | let tokens_all table file get_ats lexbuf end_markers : | |
641 | (bool * ((PC.token * (string * (int * int) * (int * int))) list)) = | |
642 | tokens_all_full Lexer_cocci.token table file get_ats lexbuf end_markers | |
643 | ||
644 | let tokens_script_all table file get_ats lexbuf end_markers : | |
645 | (bool * ((PC.token * (string * (int * int) * (int * int))) list)) = | |
646 | tokens_all_full Lexer_script.token table file get_ats lexbuf end_markers | |
647 | ||
648 | (* ----------------------------------------------------------------------- *) | |
649 | (* Split tokens into minus and plus fragments *) | |
650 | ||
651 | let split t clt = | |
652 | let (d,_,_,_,_,_,_,_) = clt in | |
653 | match d with | |
654 | D.MINUS | D.OPTMINUS | D.UNIQUEMINUS -> ([t],[]) | |
951c7801 | 655 | | D.PLUS | D.PLUSPLUS -> ([],[t]) |
34e49164 C |
656 | | D.CONTEXT | D.UNIQUE | D.OPT -> ([t],[t]) |
657 | ||
658 | let split_token ((tok,_) as t) = | |
659 | match tok with | |
b23ff9c7 C |
660 | PC.TMetavariable | PC.TIdentifier |
661 | | PC.TConstant | PC.TExpression | PC.TIdExpression | |
413ffc02 | 662 | | PC.TDeclaration | PC.TField |
97111a47 | 663 | | PC.TStatement | PC.TPosition | PC.TPosAny | PC.TInitialiser | PC.TSymbol |
34e49164 | 664 | | PC.TFunction | PC.TTypedef | PC.TDeclarer | PC.TIterator | PC.TName |
978fd7e5 C |
665 | | PC.TType | PC.TParameter | PC.TLocal | PC.Tlist | PC.TFresh |
666 | | PC.TCppConcatOp | PC.TPure | |
951c7801 C |
667 | | PC.TContext | PC.TRuleName(_) | PC.TUsing | PC.TVirtual | PC.TDisable |
668 | | PC.TExtends | PC.TPathIsoFile(_) | |
34e49164 | 669 | | PC.TDepends | PC.TOn | PC.TEver | PC.TNever | PC.TExists | PC.TForall |
faf9a90c | 670 | | PC.TError | PC.TWords | PC.TGenerated | PC.TNothing -> ([t],[t]) |
34e49164 C |
671 | |
672 | | PC.Tchar(clt) | PC.Tshort(clt) | PC.Tint(clt) | PC.Tdouble(clt) | |
1eddfd50 C |
673 | | PC.Tfloat(clt) | PC.Tlong(clt) | PC.Tvoid(clt) |
674 | | PC.Tsize_t(clt) | PC.Tssize_t(clt) | PC.Tptrdiff_t(clt) | |
675 | | PC.Tstruct(clt) | |
faf9a90c | 676 | | PC.Tunion(clt) | PC.Tenum(clt) | PC.Tunsigned(clt) | PC.Tsigned(clt) |
34e49164 C |
677 | | PC.Tstatic(clt) | PC.Tauto(clt) | PC.Tregister(clt) | PC.Textern(clt) |
678 | | PC.Tinline(clt) | PC.Ttypedef(clt) | PC.Tattr(_,clt) | |
679 | | PC.Tconst(clt) | PC.Tvolatile(clt) -> split t clt | |
680 | ||
0708f913 | 681 | | PC.TPragma(s,_) -> ([],[t]) (* only allowed in + *) |
34e49164 C |
682 | | PC.TPlusFile(s,clt) | PC.TMinusFile(s,clt) |
683 | | PC.TIncludeL(s,clt) | PC.TIncludeNL(s,clt) -> | |
684 | split t clt | |
3a314143 C |
685 | | PC.TUndef(clt,_) | PC.TDefine(clt,_) | PC.TDefineParam(clt,_,_,_) -> |
686 | split t clt | |
34e49164 C |
687 | |
688 | | PC.TIf(clt) | PC.TElse(clt) | PC.TWhile(clt) | PC.TFor(clt) | PC.TDo(clt) | |
689 | | PC.TSwitch(clt) | PC.TCase(clt) | PC.TDefault(clt) | |
690 | | PC.TSizeof(clt) | |
691 | | PC.TReturn(clt) | PC.TBreak(clt) | PC.TContinue(clt) | PC.TGoto(clt) | |
692 | | PC.TIdent(_,clt) | |
693 | | PC.TTypeId(_,clt) | PC.TDeclarerId(_,clt) | PC.TIteratorId(_,clt) | |
97111a47 | 694 | | PC.TSymId(_,clt) |
b23ff9c7 | 695 | | PC.TMeta(_,_,clt) | PC.TMetaConst(_,_,_,_,clt) | PC.TMetaExp(_,_,_,_,clt) |
34e49164 C |
696 | | PC.TMetaIdExp(_,_,_,_,clt) | PC.TMetaLocalIdExp(_,_,_,_,clt) |
697 | | PC.TMetaExpList(_,_,_,clt) | |
698 | | PC.TMetaParam(_,_,clt) | PC.TMetaParamList(_,_,_,clt) | |
8babbc8f | 699 | | PC.TMetaId(_,_,_,_,clt) | PC.TMetaType(_,_,clt) |
8f657093 | 700 | | PC.TMetaInit(_,_,clt) | PC.TMetaInitList(_,_,_,clt) |
413ffc02 | 701 | | PC.TMetaDecl(_,_,clt) | PC.TMetaField(_,_,clt) |
190f1acf | 702 | | PC.TMetaFieldList(_,_,_,clt) |
34e49164 C |
703 | | PC.TMetaStm(_,_,clt) | PC.TMetaStmList(_,_,clt) | PC.TMetaErr(_,_,_,clt) |
704 | | PC.TMetaFunc(_,_,_,clt) | PC.TMetaLocalFunc(_,_,_,clt) | |
705 | | PC.TMetaDeclarer(_,_,_,clt) | PC.TMetaIterator(_,_,_,clt) -> split t clt | |
b1b2de81 C |
706 | | PC.TMPtVirg | PC.TArob | PC.TArobArob | PC.TScript |
707 | | PC.TInitialize | PC.TFinalize -> ([t],[t]) | |
17ba0788 | 708 | | PC.TPArob clt | PC.TMetaPos(_,_,_,clt) -> split t clt |
34e49164 C |
709 | |
710 | | PC.TFunDecl(clt) | |
1be43e12 C |
711 | | PC.TWhen(clt) | PC.TWhenTrue(clt) | PC.TWhenFalse(clt) |
712 | | PC.TAny(clt) | PC.TStrict(clt) | PC.TLineEnd(clt) | |
5636bb2c C |
713 | | PC.TEllipsis(clt) (* | PC.TCircles(clt) | PC.TStars(clt) *) |
714 | | PC.TOEllipsis(clt) | PC.TCEllipsis(clt) | |
715 | | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) -> split t clt | |
34e49164 | 716 | |
34e49164 C |
717 | (* |
718 | | PC.TOCircles(_) | PC.TCCircles(_) (* clt must be context *) | |
719 | | PC.TOStars(_) | PC.TCStars(_) (* clt must be context *) | |
720 | *) | |
5636bb2c | 721 | |
34e49164 C |
722 | | PC.TBang0 | PC.TPlus0 | PC.TWhy0 -> |
723 | ([t],[t]) | |
724 | ||
725 | | PC.TWhy(clt) | PC.TDotDot(clt) | |
726 | | PC.TBang(clt) | PC.TOPar(clt) | PC.TOPar0(clt) | |
727 | | PC.TMid0(clt) | PC.TCPar(clt) | PC.TCPar0(clt) -> split t clt | |
728 | ||
729 | | PC.TInc(clt) | PC.TDec(clt) -> split t clt | |
730 | ||
731 | | PC.TString(_,clt) | PC.TChar(_,clt) | PC.TFloat(_,clt) | PC.TInt(_,clt) -> | |
732 | split t clt | |
733 | ||
734 | | PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt) | |
5636bb2c C |
735 | | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TTildeEq(clt) |
736 | | PC.TTildeExclEq(clt) | PC.TSub(clt) | PC.TLogOp(_,clt) | |
413ffc02 C |
737 | | PC.TShLOp(_,clt) | PC.TShROp(_,clt) |
738 | | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt) | |
34e49164 C |
739 | | PC.TDmOp(_,clt) | PC.TTilde (clt) -> split t clt |
740 | ||
1be43e12 | 741 | | PC.TOBrace(clt) | PC.TCBrace(clt) | PC.TOInit(clt) -> split t clt |
34e49164 C |
742 | | PC.TOCro(clt) | PC.TCCro(clt) -> split t clt |
743 | ||
744 | | PC.TPtrOp(clt) -> split t clt | |
745 | ||
746 | | PC.TEq(clt) | PC.TAssign(_,clt) | PC.TDot(clt) | PC.TComma(clt) | |
747 | | PC.TPtVirg(clt) -> split t clt | |
748 | ||
aba5c457 | 749 | | PC.EOF | PC.TInvalid | PC.TUnderscore -> ([t],[t]) |
34e49164 C |
750 | |
751 | | PC.TIso | PC.TRightIso | |
752 | | PC.TIsoExpression | PC.TIsoStatement | PC.TIsoDeclaration | PC.TIsoType | |
c3e37e97 C |
753 | | PC.TIsoTopLevel | PC.TIsoArgExpression | PC.TIsoTestExpression |
754 | | PC.TIsoToTestExpression -> | |
34e49164 C |
755 | failwith "unexpected tokens" |
756 | | PC.TScriptData s -> ([t],[t]) | |
757 | ||
758 | let split_token_stream tokens = | |
759 | let rec loop = function | |
760 | [] -> ([],[]) | |
761 | | token::tokens -> | |
762 | let (minus,plus) = split_token token in | |
763 | let (minus_stream,plus_stream) = loop tokens in | |
764 | (minus@minus_stream,plus@plus_stream) in | |
765 | loop tokens | |
766 | ||
767 | (* ----------------------------------------------------------------------- *) | |
768 | (* Find function names *) | |
769 | (* This addresses a shift-reduce problem in the parser, allowing us to | |
770 | distinguish a function declaration from a function call even if the latter | |
771 | has no return type. Undoubtedly, this is not very nice, but it doesn't | |
772 | seem very convenient to refactor the grammar to get around the problem. *) | |
773 | ||
d3f655c6 C |
774 | exception Irrelevant |
775 | ||
776 | let rec find_function_names l = | |
777 | let is_ident = function | |
778 | (PC.TIdent(_,clt),info) | |
779 | | (PC.TMeta(_,_,clt),info) | |
8babbc8f | 780 | | (PC.TMetaId(_,_,_,_,clt),info) |
d3f655c6 C |
781 | | (PC.TMetaFunc(_,_,_,clt),info) |
782 | | (PC.TMetaLocalFunc(_,_,_,clt),info) -> true | |
783 | | _ -> false in | |
784 | let is_mid = function | |
785 | (PC.TMid0(_),info) -> true | |
786 | | _ -> false in | |
787 | let is_par = function | |
788 | (PC.TOPar0(_),info) -> true | |
789 | | _ -> false in | |
790 | let rec split acc = function | |
791 | [] | [_] -> raise Irrelevant | |
792 | | ((PC.TCPar(_),_) as t1) :: ((PC.TOBrace(_),_) as t2) :: rest -> | |
793 | (List.rev (t1::acc),(t2::rest)) | |
794 | | x::xs -> split (x::acc) xs in | |
795 | let rec balanced_name level = function | |
796 | [] -> raise Irrelevant | |
797 | | (PC.TCPar0(_),_)::rest -> | |
798 | let level = level - 1 in | |
799 | if level = 0 | |
800 | then rest | |
801 | else balanced_name level rest | |
802 | | (PC.TOPar0(_),_)::rest -> | |
803 | let level = level + 1 in | |
804 | balanced_name level rest | |
805 | | (PC.TArobArob,_)::_ | (PC.TArob,_)::_ | (PC.EOF,_)::_ -> | |
806 | raise Irrelevant | |
807 | | t::rest when is_ident t && level = 0 -> rest | |
808 | | t::rest when is_ident t or is_mid t -> balanced_name level rest | |
809 | | _ -> raise Irrelevant in | |
810 | let rec balanced_args level = function | |
811 | [] -> raise Irrelevant | |
812 | | (PC.TCPar(_),_)::rest -> | |
813 | let level = level - 1 in | |
814 | if level = 0 | |
815 | then rest | |
816 | else balanced_args level rest | |
817 | | (PC.TOPar(_),_)::rest -> | |
818 | let level = level + 1 in | |
819 | balanced_args level rest | |
820 | | (PC.TArobArob,_)::_ | (PC.TArob,_)::_ | (PC.EOF,_)::_ -> | |
821 | raise Irrelevant | |
822 | | t::rest -> balanced_args level rest in | |
823 | let rec loop = function | |
824 | [] -> [] | |
825 | | t :: rest -> | |
826 | if is_par t or is_mid t or is_ident t | |
827 | then | |
828 | let (t,rest) = | |
829 | try | |
830 | let (bef,aft) = split [] (t::rest) in | |
831 | let rest = balanced_name 0 bef in | |
832 | (match rest with | |
833 | (PC.TOPar(_),_)::_ -> | |
834 | (match balanced_args 0 rest with | |
835 | [] -> | |
836 | let (_,info) as h = List.hd bef in | |
837 | let clt = get_clt h in | |
838 | (((PC.TFunDecl(clt),info) :: bef), aft) | |
839 | | _ -> raise Irrelevant) | |
840 | | _ -> raise Irrelevant) | |
841 | with Irrelevant -> ([t],rest) in | |
842 | t @ (loop rest) | |
843 | else t :: (loop rest) in | |
844 | loop l | |
34e49164 C |
845 | |
846 | (* ----------------------------------------------------------------------- *) | |
847 | (* an attribute is an identifier that preceeds another identifier and | |
848 | begins with __ *) | |
849 | ||
850 | let rec detect_attr l = | |
851 | let is_id = function | |
8babbc8f | 852 | (PC.TIdent(_,_),_) | (PC.TMetaId(_,_,_,_,_),_) | (PC.TMetaFunc(_,_,_,_),_) |
34e49164 | 853 | | (PC.TMetaLocalFunc(_,_,_,_),_) -> true |
faf9a90c | 854 | | _ -> false in |
34e49164 C |
855 | let rec loop = function |
856 | [] -> [] | |
857 | | [x] -> [x] | |
858 | | ((PC.TIdent(nm,clt),info) as t1)::id::rest when is_id id -> | |
859 | if String.length nm > 2 && String.sub nm 0 2 = "__" | |
860 | then (PC.Tattr(nm,clt),info)::(loop (id::rest)) | |
861 | else t1::(loop (id::rest)) | |
862 | | x::xs -> x::(loop xs) in | |
863 | loop l | |
864 | ||
865 | (* ----------------------------------------------------------------------- *) | |
866 | (* Look for variable declarations where the name is a typedef name. | |
867 | We assume that C code does not contain a multiplication as a top-level | |
868 | statement. *) | |
869 | ||
870 | (* bug: once a type, always a type, even if the same name is later intended | |
871 | to be used as a real identifier *) | |
872 | let detect_types in_meta_decls l = | |
873 | let is_delim infn = function | |
874 | (PC.TOEllipsis(_),_) (* | (PC.TOCircles(_),_) | (PC.TOStars(_),_) *) | |
875 | | (PC.TPOEllipsis(_),_) (* | (PC.TOCircles(_),_) | (PC.TOStars(_),_) *) | |
876 | | (PC.TEllipsis(_),_) (* | (PC.TCircles(_),_) | (PC.TStars(_),_) *) | |
1be43e12 C |
877 | | (PC.TPtVirg(_),_) | (PC.TOBrace(_),_) | (PC.TOInit(_),_) |
878 | | (PC.TCBrace(_),_) | |
34e49164 C |
879 | | (PC.TPure,_) | (PC.TContext,_) |
880 | | (PC.Tstatic(_),_) | (PC.Textern(_),_) | |
881 | | (PC.Tinline(_),_) | (PC.Ttypedef(_),_) | (PC.Tattr(_),_) -> true | |
882 | | (PC.TComma(_),_) when infn > 0 or in_meta_decls -> true | |
883 | | (PC.TDotDot(_),_) when in_meta_decls -> true | |
884 | | _ -> false in | |
885 | let is_choices_delim = function | |
886 | (PC.TOBrace(_),_) | (PC.TComma(_),_) -> true | _ -> false in | |
887 | let is_id = function | |
8babbc8f | 888 | (PC.TIdent(_,_),_) | (PC.TMetaId(_,_,_,_,_),_) | (PC.TMetaFunc(_,_,_,_),_) |
34e49164 C |
889 | | (PC.TMetaLocalFunc(_,_,_,_),_) -> true |
890 | | (PC.TMetaParam(_,_,_),_) | |
891 | | (PC.TMetaParamList(_,_,_,_),_) | |
892 | | (PC.TMetaConst(_,_,_,_,_),_) | |
893 | | (PC.TMetaErr(_,_,_,_),_) | |
894 | | (PC.TMetaExp(_,_,_,_,_),_) | |
895 | | (PC.TMetaIdExp(_,_,_,_,_),_) | |
896 | | (PC.TMetaLocalIdExp(_,_,_,_,_),_) | |
897 | | (PC.TMetaExpList(_,_,_,_),_) | |
898 | | (PC.TMetaType(_,_,_),_) | |
113803cf | 899 | | (PC.TMetaInit(_,_,_),_) |
8f657093 | 900 | | (PC.TMetaInitList(_,_,_,_),_) |
413ffc02 C |
901 | | (PC.TMetaDecl(_,_,_),_) |
902 | | (PC.TMetaField(_,_,_),_) | |
190f1acf | 903 | | (PC.TMetaFieldList(_,_,_,_),_) |
34e49164 C |
904 | | (PC.TMetaStm(_,_,_),_) |
905 | | (PC.TMetaStmList(_,_,_),_) | |
faf9a90c | 906 | | (PC.TMetaPos(_,_,_,_),_) -> in_meta_decls |
34e49164 C |
907 | | _ -> false in |
908 | let redo_id ident clt v = | |
909 | !Data.add_type_name ident; | |
910 | (PC.TTypeId(ident,clt),v) in | |
911 | let rec loop start infn type_names = function | |
912 | (* infn: 0 means not in a function header | |
913 | > 0 means in a function header, after infn - 1 unmatched open parens*) | |
914 | [] -> [] | |
915 | | ((PC.TOBrace(clt),v)::_) as all when in_meta_decls -> | |
916 | collect_choices type_names all (* never a function header *) | |
917 | | delim::(PC.TIdent(ident,clt),v)::((PC.TMul(_),_) as x)::rest | |
918 | when is_delim infn delim -> | |
919 | let newid = redo_id ident clt v in | |
920 | delim::newid::x::(loop false infn (ident::type_names) rest) | |
921 | | delim::(PC.TIdent(ident,clt),v)::id::rest | |
922 | when is_delim infn delim && is_id id -> | |
923 | let newid = redo_id ident clt v in | |
924 | delim::newid::id::(loop false infn (ident::type_names) rest) | |
925 | | ((PC.TFunDecl(_),_) as fn)::rest -> | |
926 | fn::(loop false 1 type_names rest) | |
927 | | ((PC.TOPar(_),_) as lp)::rest when infn > 0 -> | |
928 | lp::(loop false (infn + 1) type_names rest) | |
929 | | ((PC.TCPar(_),_) as rp)::rest when infn > 0 -> | |
930 | if infn - 1 = 1 | |
931 | then rp::(loop false 0 type_names rest) (* 0 means not in fn header *) | |
932 | else rp::(loop false (infn - 1) type_names rest) | |
933 | | (PC.TIdent(ident,clt),v)::((PC.TMul(_),_) as x)::rest when start -> | |
934 | let newid = redo_id ident clt v in | |
935 | newid::x::(loop false infn (ident::type_names) rest) | |
936 | | (PC.TIdent(ident,clt),v)::id::rest when start && is_id id -> | |
937 | let newid = redo_id ident clt v in | |
938 | newid::id::(loop false infn (ident::type_names) rest) | |
939 | | (PC.TIdent(ident,clt),v)::rest when List.mem ident type_names -> | |
940 | (PC.TTypeId(ident,clt),v)::(loop false infn type_names rest) | |
941 | | ((PC.TIdent(ident,clt),v) as x)::rest -> | |
942 | x::(loop false infn type_names rest) | |
943 | | x::rest -> x::(loop false infn type_names rest) | |
944 | and collect_choices type_names = function | |
945 | [] -> [] (* should happen, but let the parser detect that *) | |
946 | | (PC.TCBrace(clt),v)::rest -> | |
947 | (PC.TCBrace(clt),v)::(loop false 0 type_names rest) | |
948 | | delim::(PC.TIdent(ident,clt),v)::rest | |
949 | when is_choices_delim delim -> | |
950 | let newid = redo_id ident clt v in | |
951 | delim::newid::(collect_choices (ident::type_names) rest) | |
952 | | x::rest -> x::(collect_choices type_names rest) in | |
953 | loop true 0 [] l | |
954 | ||
955 | ||
956 | (* ----------------------------------------------------------------------- *) | |
957 | (* Insert TLineEnd tokens at the end of a line that contains a WHEN. | |
958 | WHEN is restricted to a single line, to avoid ambiguity in eg: | |
959 | ... WHEN != x | |
960 | +3 *) | |
961 | ||
962 | let token2line (tok,_) = | |
963 | match tok with | |
faf9a90c | 964 | PC.Tchar(clt) | PC.Tshort(clt) | PC.Tint(clt) | PC.Tdouble(clt) |
1eddfd50 C |
965 | | PC.Tfloat(clt) | PC.Tlong(clt) | PC.Tvoid(clt) |
966 | | PC.Tsize_t(clt) | PC.Tssize_t(clt) | PC.Tptrdiff_t(clt) | |
967 | | PC.Tstruct(clt) | |
faf9a90c C |
968 | | PC.Tunion(clt) | PC.Tenum(clt) | PC.Tunsigned(clt) | PC.Tsigned(clt) |
969 | | PC.Tstatic(clt) | PC.Tauto(clt) | PC.Tregister(clt) | PC.Textern(clt) | |
34e49164 | 970 | | PC.Tinline(clt) | PC.Ttypedef(clt) | PC.Tattr(_,clt) | PC.Tconst(clt) |
faf9a90c | 971 | | PC.Tvolatile(clt) |
34e49164 | 972 | |
faf9a90c C |
973 | | PC.TInc(clt) | PC.TDec(clt) |
974 | ||
975 | | PC.TIf(clt) | PC.TElse(clt) | PC.TWhile(clt) | PC.TFor(clt) | PC.TDo(clt) | |
34e49164 C |
976 | | PC.TSwitch (clt) | PC.TCase (clt) | PC.TDefault (clt) | PC.TSizeof (clt) |
977 | | PC.TReturn(clt) | PC.TBreak(clt) | PC.TContinue(clt) | PC.TGoto(clt) | |
978 | | PC.TIdent(_,clt) | |
979 | | PC.TTypeId(_,clt) | PC.TDeclarerId(_,clt) | PC.TIteratorId(_,clt) | |
980 | | PC.TMetaDeclarer(_,_,_,clt) | PC.TMetaIterator(_,_,_,clt) | |
981 | ||
97111a47 C |
982 | | PC.TSymId(_,clt) |
983 | ||
faf9a90c | 984 | | PC.TString(_,clt) | PC.TChar(_,clt) | PC.TFloat(_,clt) | PC.TInt(_,clt) |
34e49164 C |
985 | |
986 | | PC.TOrLog(clt) | PC.TAndLog(clt) | PC.TOr(clt) | PC.TXor(clt) | |
faf9a90c | 987 | | PC.TAnd (clt) | PC.TEqEq(clt) | PC.TNotEq(clt) | PC.TLogOp(_,clt) |
413ffc02 C |
988 | | PC.TShLOp(_,clt) | PC.TShROp(_,clt) |
989 | | PC.TPlus(clt) | PC.TMinus(clt) | PC.TMul(clt) | |
faf9a90c | 990 | | PC.TDmOp(_,clt) | PC.TTilde (clt) |
34e49164 | 991 | |
b23ff9c7 | 992 | | PC.TMeta(_,_,clt) | PC.TMetaParam(_,_,clt) | PC.TMetaParamList(_,_,_,clt) |
34e49164 C |
993 | | PC.TMetaConst(_,_,_,_,clt) | PC.TMetaExp(_,_,_,_,clt) |
994 | | PC.TMetaIdExp(_,_,_,_,clt) | PC.TMetaLocalIdExp(_,_,_,_,clt) | |
faf9a90c | 995 | | PC.TMetaExpList(_,_,_,clt) |
8babbc8f | 996 | | PC.TMetaId(_,_,_,_,clt) | PC.TMetaType(_,_,clt) |
8f657093 | 997 | | PC.TMetaInit(_,_,clt) | PC.TMetaInitList(_,_,_,clt) |
413ffc02 | 998 | | PC.TMetaDecl(_,_,clt) | PC.TMetaField(_,_,clt) |
190f1acf | 999 | | PC.TMetaFieldList(_,_,_,clt) |
34e49164 C |
1000 | | PC.TMetaStm(_,_,clt) | PC.TMetaStmList(_,_,clt) | PC.TMetaFunc(_,_,_,clt) |
1001 | | PC.TMetaLocalFunc(_,_,_,clt) | PC.TMetaPos(_,_,_,clt) | |
1002 | ||
1003 | | PC.TFunDecl(clt) | |
1be43e12 C |
1004 | | PC.TWhen(clt) | PC.TWhenTrue(clt) | PC.TWhenFalse(clt) |
1005 | | PC.TAny(clt) | PC.TStrict(clt) | PC.TEllipsis(clt) | |
34e49164 C |
1006 | (* | PC.TCircles(clt) | PC.TStars(clt) *) |
1007 | ||
faf9a90c | 1008 | | PC.TOEllipsis(clt) | PC.TCEllipsis(clt) |
34e49164 C |
1009 | | PC.TPOEllipsis(clt) | PC.TPCEllipsis(clt) (*| PC.TOCircles(clt) |
1010 | | PC.TCCircles(clt) | PC.TOStars(clt) | PC.TCStars(clt) *) | |
1011 | ||
1012 | | PC.TWhy(clt) | PC.TDotDot(clt) | PC.TBang(clt) | PC.TOPar(clt) | |
faf9a90c C |
1013 | | PC.TOPar0(clt) | PC.TMid0(clt) | PC.TCPar(clt) |
1014 | | PC.TCPar0(clt) | |
34e49164 | 1015 | |
faf9a90c | 1016 | | PC.TOBrace(clt) | PC.TCBrace(clt) | PC.TOCro(clt) | PC.TCCro(clt) |
1be43e12 | 1017 | | PC.TOInit(clt) |
34e49164 | 1018 | |
faf9a90c | 1019 | | PC.TPtrOp(clt) |
34e49164 | 1020 | |
3a314143 | 1021 | | PC.TUndef(clt,_) | PC.TDefine(clt,_) | PC.TDefineParam(clt,_,_,_) |
34e49164 C |
1022 | | PC.TIncludeL(_,clt) | PC.TIncludeNL(_,clt) |
1023 | ||
faf9a90c | 1024 | | PC.TEq(clt) | PC.TAssign(_,clt) | PC.TDot(clt) | PC.TComma(clt) |
17ba0788 | 1025 | | PC.TPArob(clt) | PC.TPtVirg(clt) -> |
34e49164 C |
1026 | let (_,line,_,_,_,_,_,_) = clt in Some line |
1027 | ||
1028 | | _ -> None | |
1029 | ||
1030 | let rec insert_line_end = function | |
1031 | [] -> [] | |
1032 | | (((PC.TWhen(clt),q) as x)::xs) -> | |
1033 | x::(find_line_end true (token2line x) clt q xs) | |
3a314143 | 1034 | | (((PC.TUndef(clt,_),q) as x)::xs) |
34e49164 | 1035 | | (((PC.TDefine(clt,_),q) as x)::xs) |
708f4980 | 1036 | | (((PC.TDefineParam(clt,_,_,_),q) as x)::xs) -> |
34e49164 C |
1037 | x::(find_line_end false (token2line x) clt q xs) |
1038 | | x::xs -> x::(insert_line_end xs) | |
1039 | ||
1040 | and find_line_end inwhen line clt q = function | |
1041 | (* don't know what 2nd component should be so just use the info of | |
1042 | the When. Also inherit - of when, if any *) | |
1043 | [] -> [(PC.TLineEnd(clt),q)] | |
1044 | | ((PC.TIdent("strict",clt),a) as x)::xs when token2line x = line -> | |
1045 | (PC.TStrict(clt),a) :: (find_line_end inwhen line clt q xs) | |
1046 | | ((PC.TIdent("STRICT",clt),a) as x)::xs when token2line x = line -> | |
1047 | (PC.TStrict(clt),a) :: (find_line_end inwhen line clt q xs) | |
1048 | | ((PC.TIdent("any",clt),a) as x)::xs when token2line x = line -> | |
1049 | (PC.TAny(clt),a) :: (find_line_end inwhen line clt q xs) | |
1050 | | ((PC.TIdent("ANY",clt),a) as x)::xs when token2line x = line -> | |
1051 | (PC.TAny(clt),a) :: (find_line_end inwhen line clt q xs) | |
1052 | | ((PC.TIdent("forall",clt),a) as x)::xs when token2line x = line -> | |
1053 | (PC.TForall,a) :: (find_line_end inwhen line clt q xs) | |
1054 | | ((PC.TIdent("exists",clt),a) as x)::xs when token2line x = line -> | |
1055 | (PC.TExists,a) :: (find_line_end inwhen line clt q xs) | |
1056 | | ((PC.TComma(clt),a) as x)::xs when token2line x = line -> | |
1057 | (PC.TComma(clt),a) :: (find_line_end inwhen line clt q xs) | |
17ba0788 C |
1058 | | ((PC.TPArob(clt),a) as x)::xs when token2line x = line -> |
1059 | (PC.TPArob(clt),a) :: (find_line_end inwhen line clt q xs) | |
34e49164 C |
1060 | | x::xs when token2line x = line -> x :: (find_line_end inwhen line clt q xs) |
1061 | | xs -> (PC.TLineEnd(clt),q)::(insert_line_end xs) | |
1062 | ||
1be43e12 C |
1063 | let rec translate_when_true_false = function |
1064 | [] -> [] | |
1065 | | (PC.TWhen(clt),q)::((PC.TNotEq(_),_) as x)::(PC.TIdent("true",_),_)::xs -> | |
91eba41f | 1066 | (PC.TWhenTrue(clt),q)::x::(translate_when_true_false xs) |
1be43e12 | 1067 | | (PC.TWhen(clt),q)::((PC.TNotEq(_),_) as x)::(PC.TIdent("false",_),_)::xs -> |
91eba41f | 1068 | (PC.TWhenFalse(clt),q)::x::(translate_when_true_false xs) |
1be43e12 C |
1069 | | x::xs -> x :: (translate_when_true_false xs) |
1070 | ||
978fd7e5 C |
1071 | (* ----------------------------------------------------------------------- *) |
1072 | ||
abad11c5 | 1073 | (* In a nest, if the nest is -, all of the nested code must also be -. *) |
5636bb2c C |
1074 | let check_nests tokens = |
1075 | let is_minus t = | |
1076 | let (line_type,a,b,c,d,e,f,g) = get_clt t in | |
1077 | List.mem line_type [D.MINUS;D.OPTMINUS;D.UNIQUEMINUS] in | |
abad11c5 | 1078 | let check_minus t = |
5636bb2c C |
1079 | let clt = try Some(get_clt t) with Failure _ -> None in |
1080 | match clt with | |
1081 | Some (line_type,a,b,c,d,e,f,g) -> | |
1082 | (match line_type with | |
abad11c5 | 1083 | D.MINUS | D.OPTMINUS | D.UNIQUEMINUS -> t |
5636bb2c C |
1084 | | _ -> failwith "minus token expected") |
1085 | | None -> t in | |
1086 | let rec outside = function | |
1087 | [] -> [] | |
1088 | | ((PC.TPOEllipsis(clt),q) as t)::r when is_minus t -> t :: inside 0 r | |
1089 | | t::r -> t :: outside r | |
1090 | and inside stack = function | |
1091 | [] -> failwith "missing nest end" | |
1092 | | ((PC.TPCEllipsis(clt),q) as t)::r -> | |
abad11c5 | 1093 | (check_minus t) |
5636bb2c C |
1094 | :: (if stack = 0 then outside r else inside (stack - 1) r) |
1095 | | ((PC.TPOEllipsis(clt),q) as t)::r -> | |
abad11c5 C |
1096 | (check_minus t) :: (inside (stack + 1) r) |
1097 | | t :: r -> (check_minus t) :: (inside stack r) in | |
5636bb2c C |
1098 | outside tokens |
1099 | ||
978fd7e5 C |
1100 | let check_parentheses tokens = |
1101 | let clt2line (_,line,_,_,_,_,_,_) = line in | |
1102 | let rec loop seen_open = function | |
1103 | [] -> tokens | |
1104 | | (PC.TOPar(clt),q) :: rest | |
1105 | | (PC.TDefineParam(clt,_,_,_),q) :: rest -> | |
1106 | loop (Common.Left (clt2line clt) :: seen_open) rest | |
1107 | | (PC.TOPar0(clt),q) :: rest -> | |
1108 | loop (Common.Right (clt2line clt) :: seen_open) rest | |
1109 | | (PC.TCPar(clt),q) :: rest -> | |
1110 | (match seen_open with | |
1111 | [] -> | |
1112 | failwith | |
1113 | (Printf.sprintf | |
1114 | "unexpected close parenthesis in line %d\n" (clt2line clt)) | |
1115 | | Common.Left _ :: seen_open -> loop seen_open rest | |
ae4735db | 1116 | | Common.Right open_line :: _ -> |
978fd7e5 C |
1117 | failwith |
1118 | (Printf.sprintf | |
1119 | "disjunction parenthesis in line %d column 0 matched to normal parenthesis on line %d\n" open_line (clt2line clt))) | |
1120 | | (PC.TCPar0(clt),q) :: rest -> | |
1121 | (match seen_open with | |
1122 | [] -> | |
1123 | failwith | |
1124 | (Printf.sprintf | |
1125 | "unexpected close parenthesis in line %d\n" (clt2line clt)) | |
1126 | | Common.Right _ :: seen_open -> loop seen_open rest | |
ae4735db | 1127 | | Common.Left open_line :: _ -> |
978fd7e5 C |
1128 | failwith |
1129 | (Printf.sprintf | |
1130 | "normal parenthesis in line %d matched to disjunction parenthesis on line %d column 0\n" open_line (clt2line clt))) | |
1131 | | x::rest -> loop seen_open rest in | |
1132 | loop [] tokens | |
1133 | ||
1be43e12 C |
1134 | (* ----------------------------------------------------------------------- *) |
1135 | (* top level initializers: a sequence of braces followed by a dot *) | |
1136 | ||
1137 | let find_top_init tokens = | |
1138 | match tokens with | |
1139 | (PC.TOBrace(clt),q) :: rest -> | |
1140 | let rec dot_start acc = function | |
1141 | ((PC.TOBrace(_),_) as x) :: rest -> | |
1142 | dot_start (x::acc) rest | |
1143 | | ((PC.TDot(_),_) :: rest) as x -> | |
1144 | Some ((PC.TOInit(clt),q) :: (List.rev acc) @ x) | |
1145 | | l -> None in | |
1146 | let rec comma_end acc = function | |
1147 | ((PC.TCBrace(_),_) as x) :: rest -> | |
1148 | comma_end (x::acc) rest | |
1149 | | ((PC.TComma(_),_) :: rest) as x -> | |
1150 | Some ((PC.TOInit(clt),q) :: (List.rev x) @ acc) | |
1151 | | l -> None in | |
1152 | (match dot_start [] rest with | |
1153 | Some x -> x | |
1154 | | None -> | |
1155 | (match List.rev rest with | |
faf9a90c C |
1156 | (* not super sure what this does, but EOF, @, and @@ should be |
1157 | the same, markind the end of a rule *) | |
1158 | ((PC.EOF,_) as x)::rest | ((PC.TArob,_) as x)::rest | |
1159 | | ((PC.TArobArob,_) as x)::rest -> | |
1be43e12 C |
1160 | (match comma_end [x] rest with |
1161 | Some x -> x | |
1162 | | None -> tokens) | |
faf9a90c C |
1163 | | _ -> |
1164 | failwith "unexpected empty token list")) | |
1be43e12 C |
1165 | | _ -> tokens |
1166 | ||
34e49164 | 1167 | (* ----------------------------------------------------------------------- *) |
0708f913 C |
1168 | (* Integrate pragmas into some adjacent token. + tokens are preferred. Dots |
1169 | are not allowed. *) | |
34e49164 C |
1170 | |
1171 | let rec collect_all_pragmas collected = function | |
0708f913 C |
1172 | (PC.TPragma(s,(_,line,logical_line,offset,col,_,_,pos)),_)::rest -> |
1173 | let i = | |
1174 | { Ast0.line_start = line; Ast0.line_end = line; | |
1175 | Ast0.logical_start = logical_line; Ast0.logical_end = logical_line; | |
1176 | Ast0.column = col; Ast0.offset = offset; } in | |
1177 | collect_all_pragmas ((s,i)::collected) rest | |
34e49164 C |
1178 | | l -> (List.rev collected,l) |
1179 | ||
0708f913 C |
1180 | let rec collect_pass = function |
1181 | [] -> ([],[]) | |
34e49164 | 1182 | | x::xs -> |
0708f913 C |
1183 | match plus_attachable false x with |
1184 | SKIP -> | |
1185 | let (pass,rest) = collect_pass xs in | |
1186 | (x::pass,rest) | |
1187 | | _ -> ([],x::xs) | |
1188 | ||
1189 | let plus_attach strict = function | |
1190 | None -> NOTPLUS | |
1191 | | Some x -> plus_attachable strict x | |
1192 | ||
1193 | let add_bef = function Some x -> [x] | None -> [] | |
1194 | ||
1195 | (*skips should be things like line end | |
1196 | skips is things before pragmas that can't be attached to, pass is things | |
8f657093 C |
1197 | after. pass is used immediately. skips accumulates. |
1198 | When stuff is added before some + code, the logical line of the + code | |
1199 | becomes that of the pragma. context_neg relies on things that are adjacent | |
1200 | having sequential logical lines. Not sure that this is good enough, | |
1201 | as it might result in later gaps in the logical lines... *) | |
0708f913 C |
1202 | let rec process_pragmas bef skips = function |
1203 | [] -> add_bef bef @ List.rev skips | |
1204 | | ((PC.TPragma(s,i),_)::_) as l -> | |
34e49164 | 1205 | let (pragmas,rest) = collect_all_pragmas [] l in |
0708f913 | 1206 | let (pass,rest0) = collect_pass rest in |
8f657093 | 1207 | let (_,_,prag_lline,_,_,_,_,_) = i in |
0708f913 C |
1208 | let (next,rest) = |
1209 | match rest0 with [] -> (None,[]) | next::rest -> (Some next,rest) in | |
1210 | (match (bef,plus_attach true bef,next,plus_attach true next) with | |
1211 | (Some bef,PLUS,_,_) -> | |
1212 | let (a,b,c,d,e,strbef,straft,pos) = get_clt bef in | |
1213 | (update_clt bef (a,b,c,d,e,strbef,pragmas,pos))::List.rev skips@ | |
1214 | pass@process_pragmas None [] rest0 | |
1215 | | (_,_,Some next,PLUS) -> | |
8f657093 | 1216 | let (a,b,lline,d,e,strbef,straft,pos) = get_clt next in |
0708f913 C |
1217 | (add_bef bef) @ List.rev skips @ pass @ |
1218 | (process_pragmas | |
8f657093 | 1219 | (Some (update_clt next (a,b,prag_lline,d,e,pragmas,straft,pos))) |
0708f913 C |
1220 | [] rest) |
1221 | | _ -> | |
1222 | (match (bef,plus_attach false bef,next,plus_attach false next) with | |
1223 | (Some bef,PLUS,_,_) -> | |
34e49164 | 1224 | let (a,b,c,d,e,strbef,straft,pos) = get_clt bef in |
0708f913 C |
1225 | (update_clt bef (a,b,c,d,e,strbef,pragmas,pos))::List.rev skips@ |
1226 | pass@process_pragmas None [] rest0 | |
1227 | | (_,_,Some next,PLUS) -> | |
8f657093 | 1228 | let (a,b,lline,d,e,strbef,straft,pos) = get_clt next in |
0708f913 C |
1229 | (add_bef bef) @ List.rev skips @ pass @ |
1230 | (process_pragmas | |
8f657093 C |
1231 | (Some |
1232 | (update_clt next (a,b,prag_lline,d,e,pragmas,straft,pos))) | |
0708f913 C |
1233 | [] rest) |
1234 | | _ -> failwith "nothing to attach pragma to")) | |
1235 | | x::xs -> | |
1236 | (match plus_attachable false x with | |
1237 | SKIP -> process_pragmas bef (x::skips) xs | |
1238 | | _ -> (add_bef bef) @ List.rev skips @ (process_pragmas (Some x) [] xs)) | |
34e49164 C |
1239 | |
1240 | (* ----------------------------------------------------------------------- *) | |
1241 | (* Drop ... ... . This is only allowed in + code, and arises when there is | |
1242 | some - code between the ... *) | |
1243 | (* drop whens as well - they serve no purpose in + code and they cause | |
1244 | problems for drop_double_dots *) | |
1245 | ||
1246 | let rec drop_when = function | |
1247 | [] -> [] | |
1248 | | (PC.TWhen(clt),info)::xs -> | |
1249 | let rec loop = function | |
1250 | [] -> [] | |
1251 | | (PC.TLineEnd(_),info)::xs -> drop_when xs | |
1252 | | x::xs -> loop xs in | |
1253 | loop xs | |
1254 | | x::xs -> x::drop_when xs | |
1255 | ||
1256 | (* instead of dropping the double dots, we put TNothing in between them. | |
1257 | these vanish after the parser, but keeping all the ...s in the + code makes | |
1258 | it easier to align the + and - code in context_neg and in preparation for the | |
1259 | isomorphisms. This shouldn't matter because the context code of the + | |
1260 | slice is mostly ignored anyway *) | |
113803cf C |
1261 | let minus_to_nothing l = |
1262 | (* for cases like | <..., which may or may not arise from removing minus | |
1263 | code, depending on whether <... is a statement or expression *) | |
1264 | let is_minus tok = | |
1265 | try | |
1266 | let (d,_,_,_,_,_,_,_) = get_clt tok in | |
1267 | (match d with | |
1268 | D.MINUS | D.OPTMINUS | D.UNIQUEMINUS -> true | |
951c7801 | 1269 | | D.PLUS | D.PLUSPLUS -> false |
113803cf C |
1270 | | D.CONTEXT | D.UNIQUE | D.OPT -> false) |
1271 | with _ -> false in | |
1272 | let rec minus_loop = function | |
1273 | [] -> [] | |
1274 | | (d::ds) as l -> if is_minus d then minus_loop ds else l in | |
1275 | let rec loop = function | |
1276 | [] -> [] | |
1277 | | ((PC.TMid0(clt),i) as x)::t1::ts when is_minus t1 -> | |
1278 | (match minus_loop ts with | |
1279 | ((PC.TOEllipsis(_),_)::_) | ((PC.TPOEllipsis(_),_)::_) | |
1280 | | ((PC.TEllipsis(_),_)::_) as l -> x::(PC.TNothing,i)::(loop l) | |
1281 | | l -> x::(loop l)) | |
1282 | | t::ts -> t::(loop ts) in | |
1283 | loop l | |
1284 | ||
34e49164 C |
1285 | let rec drop_double_dots l = |
1286 | let start = function | |
1287 | (PC.TOEllipsis(_),_) | (PC.TPOEllipsis(_),_) | |
1288 | (* | (PC.TOCircles(_),_) | (PC.TOStars(_),_) *) -> | |
1289 | true | |
1290 | | _ -> false in | |
1291 | let middle = function | |
1292 | (PC.TEllipsis(_),_) (* | (PC.TCircles(_),_) | (PC.TStars(_),_) *) -> true | |
1293 | | _ -> false in | |
faf9a90c C |
1294 | let whenline = function |
1295 | (PC.TLineEnd(_),_) -> true | |
113803cf | 1296 | (*| (PC.TMid0(_),_) -> true*) |
faf9a90c | 1297 | | _ -> false in |
34e49164 C |
1298 | let final = function |
1299 | (PC.TCEllipsis(_),_) | (PC.TPCEllipsis(_),_) | |
1300 | (* | (PC.TCCircles(_),_) | (PC.TCStars(_),_) *) -> | |
1301 | true | |
1302 | | _ -> false in | |
faf9a90c C |
1303 | let any_before x = start x or middle x or final x or whenline x in |
1304 | let any_after x = start x or middle x or final x in | |
34e49164 C |
1305 | let rec loop ((_,i) as prev) = function |
1306 | [] -> [] | |
faf9a90c C |
1307 | | x::rest when any_before prev && any_after x -> |
1308 | (PC.TNothing,i)::x::(loop x rest) | |
c491d8ee C |
1309 | | ((PC.TComma(_),_) as c)::x::rest when any_before prev && any_after x -> |
1310 | c::(PC.TNothing,i)::x::(loop x rest) | |
34e49164 C |
1311 | | x::rest -> x :: (loop x rest) in |
1312 | match l with | |
1313 | [] -> [] | |
1314 | | (x::xs) -> x :: loop x xs | |
1315 | ||
993936c0 C |
1316 | (* ignore uncomparable pcre regular expressions *) |
1317 | let strip_for_fix l = | |
1318 | List.map | |
1319 | (function | |
1320 | (PC.TMetaId(nm,_,seed,pure,clt),info) -> | |
1321 | (PC.TMetaId(nm,Ast.IdNoConstraint,seed,pure,clt),info) | |
1322 | | (PC.TMetaFunc(nm,_,pure,clt),info) -> | |
1323 | (PC.TMetaFunc(nm,Ast.IdNoConstraint,pure,clt),info) | |
1324 | | (PC.TMetaLocalFunc(nm,_,pure,clt),info) -> | |
1325 | (PC.TMetaLocalFunc(nm,Ast.IdNoConstraint,pure,clt),info) | |
1326 | | (PC.TMetaErr(nm,_,pure,clt),info) -> | |
1327 | (PC.TMetaErr(nm,Ast0.NoConstraint,pure,clt),info) | |
1328 | | (PC.TMetaExp(nm,_,pure,ty,clt),info) -> | |
1329 | (PC.TMetaExp(nm,Ast0.NoConstraint,pure,ty,clt),info) | |
1330 | | (PC.TMetaIdExp(nm,_,pure,ty,clt),info) -> | |
1331 | (PC.TMetaIdExp(nm,Ast0.NoConstraint,pure,ty,clt),info) | |
1332 | | (PC.TMetaLocalIdExp(nm,_,pure,ty,clt),info) -> | |
1333 | (PC.TMetaLocalIdExp(nm,Ast0.NoConstraint,pure,ty,clt),info) | |
1334 | | (PC.TMetaConst(nm,_,pure,ty,clt),info) -> | |
1335 | (PC.TMetaConst(nm,Ast0.NoConstraint,pure,ty,clt),info) | |
1336 | | t -> t) | |
1337 | l | |
1338 | ||
1339 | let fix f l = | |
1340 | let rec loop f l stripped_l = | |
1341 | let cur = f l in | |
1342 | let stripped_cur = strip_for_fix cur in | |
1343 | if stripped_l = stripped_cur then l else loop f cur stripped_cur in | |
1344 | loop f l (strip_for_fix l) | |
34e49164 C |
1345 | |
1346 | (* ( | ... | ) also causes parsing problems *) | |
1347 | ||
1348 | exception Not_empty | |
1349 | ||
1350 | let rec drop_empty_thing starter middle ender = function | |
1351 | [] -> [] | |
1352 | | hd::rest when starter hd -> | |
1353 | let rec loop = function | |
1354 | x::rest when middle x -> loop rest | |
1355 | | x::rest when ender x -> rest | |
1356 | | _ -> raise Not_empty in | |
1357 | (match try Some(loop rest) with Not_empty -> None with | |
1358 | Some x -> drop_empty_thing starter middle ender x | |
1359 | | None -> hd :: drop_empty_thing starter middle ender rest) | |
1360 | | x::rest -> x :: drop_empty_thing starter middle ender rest | |
1361 | ||
1362 | let drop_empty_or = | |
1363 | drop_empty_thing | |
1364 | (function (PC.TOPar0(_),_) -> true | _ -> false) | |
1365 | (function (PC.TMid0(_),_) -> true | _ -> false) | |
1366 | (function (PC.TCPar0(_),_) -> true | _ -> false) | |
1367 | ||
1368 | let drop_empty_nest = drop_empty_thing | |
1369 | ||
1370 | (* ----------------------------------------------------------------------- *) | |
1371 | (* Read tokens *) | |
1372 | ||
1373 | let get_s_starts (_, (s,_,(starts, ends))) = | |
1374 | Printf.printf "%d %d\n" starts ends; (s, starts) | |
1375 | ||
faf9a90c | 1376 | let pop2 l = |
34e49164 C |
1377 | let v = List.hd !l in |
1378 | l := List.tl !l; | |
1379 | v | |
1380 | ||
1381 | let reinit _ = | |
1382 | PC.reinit (function _ -> PC.TArobArob (* a handy token *)) | |
1383 | (Lexing.from_function | |
abad11c5 | 1384 | (function buf -> function n -> raise (Common.Impossible 157))) |
34e49164 C |
1385 | |
1386 | let parse_one str parsefn file toks = | |
1387 | let all_tokens = ref toks in | |
1388 | let cur_tok = ref (List.hd !all_tokens) in | |
1389 | ||
1390 | let lexer_function _ = | |
1391 | let (v, info) = pop2 all_tokens in | |
1392 | cur_tok := (v, info); | |
1393 | v in | |
1394 | ||
1395 | let lexbuf_fake = | |
1396 | Lexing.from_function | |
abad11c5 | 1397 | (function buf -> function n -> raise (Common.Impossible 158)) |
34e49164 C |
1398 | in |
1399 | ||
1400 | reinit(); | |
1401 | ||
faf9a90c C |
1402 | try parsefn lexer_function lexbuf_fake |
1403 | with | |
34e49164 C |
1404 | Lexer_cocci.Lexical s -> |
1405 | failwith | |
1406 | (Printf.sprintf "%s: lexical error: %s\n =%s\n" str s | |
1407 | (Common.error_message file (get_s_starts !cur_tok) )) | |
1408 | | Parser_cocci_menhir.Error -> | |
1409 | failwith | |
1410 | (Printf.sprintf "%s: parse error: \n = %s\n" str | |
1411 | (Common.error_message file (get_s_starts !cur_tok) )) | |
1412 | | Semantic_cocci.Semantic s -> | |
1413 | failwith | |
1414 | (Printf.sprintf "%s: semantic error: %s\n =%s\n" str s | |
1415 | (Common.error_message file (get_s_starts !cur_tok) )) | |
1416 | ||
1417 | | e -> raise e | |
1418 | ||
1419 | let prepare_tokens tokens = | |
1be43e12 C |
1420 | find_top_init |
1421 | (translate_when_true_false (* after insert_line_end *) | |
1422 | (insert_line_end | |
978fd7e5 | 1423 | (detect_types false |
5636bb2c C |
1424 | (find_function_names |
1425 | (detect_attr | |
1426 | (check_nests | |
1427 | (check_parentheses tokens))))))) | |
34e49164 | 1428 | |
faf9a90c C |
1429 | let prepare_mv_tokens tokens = |
1430 | detect_types false (detect_attr tokens) | |
1431 | ||
17ba0788 C |
1432 | let unminus (d,x1,x2,x3,x4,x5,x6,x7) = (* for hidden variables *) |
1433 | match d with | |
1434 | D.MINUS | D.OPTMINUS | D.UNIQUEMINUS -> (D.CONTEXT,x1,x2,x3,x4,x5,x6,x7) | |
1435 | | D.PLUS -> failwith "unexpected plus code" | |
1436 | | D.PLUSPLUS -> failwith "unexpected plus code" | |
1437 | | D.CONTEXT | D.UNIQUE | D.OPT -> (D.CONTEXT,x1,x2,x3,x4,x5,x6,x7) | |
1438 | ||
1439 | let process_minus_positions x name clt meta = | |
1440 | let (arity,ln,lln,offset,col,strbef,straft,pos) = get_clt x in | |
1441 | let name = Parse_aux.clt2mcode name (unminus clt) in | |
1442 | update_clt x (arity,ln,lln,offset,col,strbef,straft,meta name::pos) | |
1443 | ||
1444 | (* first attach positions, then the others, so that positions can refer to | |
1445 | the larger term represented by the preceding metavariable *) | |
1446 | let rec consume_minus_positions toks = | |
1447 | let rec loop_pos = function | |
1448 | [] -> [] | |
1449 | | ((PC.TOPar0(_),_) as x)::xs | ((PC.TCPar0(_),_) as x)::xs | |
1450 | | ((PC.TMid0(_),_) as x)::xs -> x::loop_pos xs | |
1451 | | x::(PC.TPArob _,_)::(PC.TMetaPos(name,constraints,per,clt),_)::xs -> | |
1452 | let x = | |
1453 | process_minus_positions x name clt | |
1454 | (function name -> | |
1455 | Ast0.MetaPosTag(Ast0.MetaPos(name,constraints,per))) in | |
1456 | (loop_pos (x::xs)) | |
1457 | | x::xs -> x::loop_pos xs in | |
1458 | let rec loop_other = function | |
1459 | [] -> [] | |
1460 | | ((PC.TOPar0(_),_) as x)::xs | ((PC.TCPar0(_),_) as x)::xs | |
1461 | | ((PC.TMid0(_),_) as x)::xs -> x::loop_other xs | |
d6ce1786 C |
1462 | | x::(PC.TPArob _,_)::(PC.TMetaId(name,constraints,seed,pure,clt),_)::xs -> |
1463 | let x = | |
1464 | process_minus_positions x name clt | |
1465 | (function name -> | |
1466 | Ast0.IdentTag | |
1467 | (Ast0.wrap | |
1468 | (Ast0.MetaId(name,constraints,seed,pure)))) in | |
1469 | (loop_other (x::xs)) | |
17ba0788 C |
1470 | | x::(PC.TPArob _,_)::(PC.TMetaExp(name,constraints,pure,ty,clt),_)::xs -> |
1471 | let x = | |
1472 | process_minus_positions x name clt | |
1473 | (function name -> | |
1474 | Ast0.ExprTag | |
1475 | (Ast0.wrap | |
1476 | (Ast0.MetaExpr(name,constraints,ty,Ast.ANY,pure)))) in | |
1477 | (loop_other (x::xs)) | |
1478 | | x::(PC.TPArob _,_)::(PC.TMetaInit(name,pure,clt),_)::xs -> | |
1479 | let x = | |
1480 | process_minus_positions x name clt | |
1481 | (function name -> | |
1482 | Ast0.InitTag(Ast0.wrap(Ast0.MetaInit(name,pure)))) in | |
1483 | (loop_other (x::xs)) | |
1484 | | x::(PC.TPArob _,_)::(PC.TMetaType(name,pure,clt),_)::xs -> | |
1485 | let x = | |
1486 | process_minus_positions x name clt | |
1487 | (function name -> | |
1488 | Ast0.TypeCTag(Ast0.wrap(Ast0.MetaType(name,pure)))) in | |
1489 | (loop_other (x::xs)) | |
1490 | | x::(PC.TPArob _,_)::(PC.TMetaDecl(name,pure,clt),_)::xs -> | |
1491 | let x = | |
1492 | process_minus_positions x name clt | |
1493 | (function name -> | |
1494 | Ast0.DeclTag(Ast0.wrap(Ast0.MetaDecl(name,pure)))) in | |
1495 | (loop_other (x::xs)) | |
1496 | | x::(PC.TPArob _,_)::(PC.TMetaStm(name,pure,clt),_)::xs -> | |
1497 | let x = | |
1498 | process_minus_positions x name clt | |
1499 | (function name -> | |
1500 | Ast0.StmtTag(Ast0.wrap(Ast0.MetaStmt(name,pure)))) in | |
1501 | (loop_other (x::xs)) | |
1502 | | x::xs -> x::loop_other xs in | |
1503 | loop_other(loop_pos toks) | |
1504 | ||
1505 | let rec consume_plus_positions = function | |
34e49164 | 1506 | [] -> [] |
17ba0788 C |
1507 | | (PC.TPArob _,_)::x::xs -> consume_plus_positions xs |
1508 | | x::xs -> x::consume_plus_positions xs | |
34e49164 C |
1509 | |
1510 | let any_modif rule = | |
1511 | let mcode x = | |
1512 | match Ast0.get_mcode_mcodekind x with | |
951c7801 | 1513 | Ast0.MINUS _ | Ast0.PLUS _ -> true |
34e49164 C |
1514 | | _ -> false in |
1515 | let donothing r k e = k e in | |
1516 | let bind x y = x or y in | |
1517 | let option_default = false in | |
1518 | let fn = | |
b1b2de81 | 1519 | V0.flat_combiner bind option_default |
34e49164 | 1520 | mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode mcode |
34e49164 C |
1521 | donothing donothing donothing donothing donothing donothing |
1522 | donothing donothing donothing donothing donothing donothing donothing | |
755320b0 | 1523 | donothing donothing donothing in |
b1b2de81 | 1524 | List.exists fn.VT0.combiner_rec_top_level rule |
34e49164 | 1525 | |
951c7801 C |
1526 | let eval_virt virt = |
1527 | List.iter | |
1528 | (function x -> | |
1529 | if not (List.mem x virt) | |
785a3008 | 1530 | then raise (Bad_virt x)) |
ae4735db | 1531 | !Flag.defined_virtual_rules |
951c7801 | 1532 | |
34e49164 C |
1533 | let drop_last extra l = List.rev(extra@(List.tl(List.rev l))) |
1534 | ||
1535 | let partition_either l = | |
1536 | let rec part_either left right = function | |
1537 | | [] -> (List.rev left, List.rev right) | |
faf9a90c | 1538 | | x :: l -> |
34e49164 C |
1539 | (match x with |
1540 | | Common.Left e -> part_either (e :: left) right l | |
1541 | | Common.Right e -> part_either left (e :: right) l) in | |
1542 | part_either [] [] l | |
1543 | ||
1544 | let get_metavars parse_fn table file lexbuf = | |
1545 | let rec meta_loop acc (* read one decl at a time *) = | |
1546 | let (_,tokens) = | |
978fd7e5 C |
1547 | Data.call_in_meta |
1548 | (function _ -> | |
1549 | tokens_all table file true lexbuf [PC.TArobArob;PC.TMPtVirg]) in | |
faf9a90c | 1550 | let tokens = prepare_mv_tokens tokens in |
34e49164 C |
1551 | match tokens with |
1552 | [(PC.TArobArob,_)] -> List.rev acc | |
1553 | | _ -> | |
1554 | let metavars = parse_one "meta" parse_fn file tokens in | |
1555 | meta_loop (metavars@acc) in | |
1556 | partition_either (meta_loop []) | |
1557 | ||
1558 | let get_script_metavars parse_fn table file lexbuf = | |
1559 | let rec meta_loop acc = | |
1560 | let (_, tokens) = | |
1561 | tokens_all table file true lexbuf [PC.TArobArob; PC.TMPtVirg] in | |
1562 | let tokens = prepare_tokens tokens in | |
1563 | match tokens with | |
1564 | [(PC.TArobArob, _)] -> List.rev acc | |
faf9a90c | 1565 | | _ -> |
34e49164 C |
1566 | let metavar = parse_one "scriptmeta" parse_fn file tokens in |
1567 | meta_loop (metavar :: acc) | |
1568 | in | |
1569 | meta_loop [] | |
1570 | ||
1571 | let get_rule_name parse_fn starts_with_name get_tokens file prefix = | |
1572 | Data.in_rule_name := true; | |
1573 | let mknm _ = make_name prefix (!Lexer_cocci.line) in | |
1574 | let name_res = | |
1575 | if starts_with_name | |
1576 | then | |
1577 | let (_,tokens) = get_tokens [PC.TArob] in | |
faf9a90c C |
1578 | let check_name = function |
1579 | None -> Some (mknm()) | |
1580 | | Some nm -> | |
1581 | (if List.mem nm reserved_names | |
1582 | then failwith (Printf.sprintf "invalid name %s\n" nm)); | |
1583 | Some nm in | |
34e49164 | 1584 | match parse_one "rule name" parse_fn file tokens with |
faf9a90c C |
1585 | Ast.CocciRulename (nm,a,b,c,d,e) -> |
1586 | Ast.CocciRulename (check_name nm,a,b,c,d,e) | |
1587 | | Ast.GeneratedRulename (nm,a,b,c,d,e) -> | |
1588 | Ast.GeneratedRulename (check_name nm,a,b,c,d,e) | |
413ffc02 C |
1589 | | Ast.ScriptRulename(nm,s,deps) -> |
1590 | Ast.ScriptRulename(check_name nm,s,deps) | |
174d1640 C |
1591 | | Ast.InitialScriptRulename(_,s,deps) -> |
1592 | Ast.InitialScriptRulename(check_name None,s,deps) | |
1593 | | Ast.FinalScriptRulename(_,s,deps) -> | |
1594 | Ast.FinalScriptRulename(check_name None,s,deps) | |
34e49164 C |
1595 | else |
1596 | Ast.CocciRulename(Some(mknm()),Ast.NoDep,[],[],Ast.Undetermined,false) in | |
1597 | Data.in_rule_name := false; | |
1598 | name_res | |
1599 | ||
1600 | let parse_iso file = | |
1601 | let table = Common.full_charpos_to_pos file in | |
1602 | Common.with_open_infile file (fun channel -> | |
1603 | let lexbuf = Lexing.from_channel channel in | |
1604 | let get_tokens = tokens_all table file false lexbuf in | |
1605 | let res = | |
1606 | match get_tokens [PC.TArobArob;PC.TArob] with | |
1607 | (true,start) -> | |
1608 | let parse_start start = | |
1609 | let rev = List.rev start in | |
1610 | let (arob,_) = List.hd rev in | |
1611 | (arob = PC.TArob,List.rev(List.tl rev)) in | |
1612 | let (starts_with_name,start) = parse_start start in | |
1613 | let rec loop starts_with_name start = | |
1614 | (!Data.init_rule)(); | |
1615 | (* get metavariable declarations - have to be read before the | |
1616 | rest *) | |
1617 | let (rule_name,_,_,_,_,_) = | |
1618 | match get_rule_name PC.iso_rule_name starts_with_name get_tokens | |
1619 | file ("iso file "^file) with | |
1620 | Ast.CocciRulename (Some n,a,b,c,d,e) -> (n,a,b,c,d,e) | |
1621 | | _ -> failwith "Script rules cannot appear in isomorphism rules" | |
1622 | in | |
1623 | Ast0.rule_name := rule_name; | |
34e49164 C |
1624 | let iso_metavars = |
1625 | match get_metavars PC.iso_meta_main table file lexbuf with | |
1626 | (iso_metavars,[]) -> iso_metavars | |
978fd7e5 | 1627 | | _ -> failwith "unexpected inheritance in iso" in |
34e49164 C |
1628 | (* get the rule *) |
1629 | let (more,tokens) = | |
1630 | get_tokens | |
1631 | [PC.TIsoStatement;PC.TIsoExpression;PC.TIsoArgExpression; | |
c3e37e97 | 1632 | PC.TIsoTestExpression; PC.TIsoToTestExpression; |
34e49164 C |
1633 | PC.TIsoDeclaration;PC.TIsoType;PC.TIsoTopLevel] in |
1634 | let next_start = List.hd(List.rev tokens) in | |
1635 | let dummy_info = ("",(-1,-1),(-1,-1)) in | |
1636 | let tokens = drop_last [(PC.EOF,dummy_info)] tokens in | |
1637 | let tokens = prepare_tokens (start@tokens) in | |
1638 | (* | |
1639 | print_tokens "iso tokens" tokens; | |
17ba0788 | 1640 | *) |
34e49164 C |
1641 | let entry = parse_one "iso main" PC.iso_main file tokens in |
1642 | let entry = List.map (List.map Test_exps.process_anything) entry in | |
1643 | if more | |
1644 | then (* The code below allows a header like Statement list, | |
1645 | which is more than one word. We don't have that any more, | |
1646 | but the code is left here in case it is put back. *) | |
1647 | match get_tokens [PC.TArobArob;PC.TArob] with | |
1648 | (true,start) -> | |
1649 | let (starts_with_name,start) = parse_start start in | |
1650 | (iso_metavars,entry,rule_name) :: | |
1651 | (loop starts_with_name (next_start::start)) | |
1652 | | _ -> failwith "isomorphism ends early" | |
1653 | else [(iso_metavars,entry,rule_name)] in | |
1654 | loop starts_with_name start | |
1655 | | (false,_) -> [] in | |
17ba0788 | 1656 | List.iter Iso_compile.process res; |
34e49164 C |
1657 | res) |
1658 | ||
1659 | let parse_iso_files existing_isos iso_files extra_path = | |
1660 | let get_names = List.map (function (_,_,nm) -> nm) in | |
1661 | let old_names = get_names existing_isos in | |
1662 | Data.in_iso := true; | |
1663 | let (res,_) = | |
1664 | List.fold_left | |
1665 | (function (prev,names) -> | |
1666 | function file -> | |
34e49164 C |
1667 | let file = |
1668 | match file with | |
1669 | Common.Left(fl) -> Filename.concat extra_path fl | |
1670 | | Common.Right(fl) -> Filename.concat Config.path fl in | |
d6ce1786 | 1671 | Lexer_cocci.init (); |
34e49164 C |
1672 | let current = parse_iso file in |
1673 | let new_names = get_names current in | |
1674 | if List.exists (function x -> List.mem x names) new_names | |
1675 | then failwith (Printf.sprintf "repeated iso name found in %s" file); | |
1676 | (current::prev,new_names @ names)) | |
1677 | ([],old_names) iso_files in | |
1678 | Data.in_iso := false; | |
1679 | existing_isos@(List.concat (List.rev res)) | |
1680 | ||
7f004419 C |
1681 | (* None = dependency not satisfied |
1682 | Some dep = dependency satisfied or unknown and dep has virts optimized | |
1683 | away *) | |
1684 | let eval_depend dep virt = | |
1685 | let rec loop dep = | |
1686 | match dep with | |
1687 | Ast.Dep req | Ast.EverDep req -> | |
1688 | if List.mem req virt | |
1689 | then | |
ae4735db | 1690 | if List.mem req !Flag.defined_virtual_rules |
97111a47 C |
1691 | then Ast.NoDep |
1692 | else Ast.FailDep | |
1693 | else dep | |
7f004419 C |
1694 | | Ast.AntiDep antireq | Ast.NeverDep antireq -> |
1695 | if List.mem antireq virt | |
1696 | then | |
ae4735db | 1697 | if not(List.mem antireq !Flag.defined_virtual_rules) |
97111a47 C |
1698 | then Ast.NoDep |
1699 | else Ast.FailDep | |
1700 | else dep | |
7f004419 C |
1701 | | Ast.AndDep(d1,d2) -> |
1702 | (match (loop d1, loop d2) with | |
97111a47 C |
1703 | (Ast.NoDep,x) | (x,Ast.NoDep) -> x |
1704 | | (Ast.FailDep,x) | (x,Ast.FailDep) -> Ast.FailDep | |
1705 | | (x,y) -> Ast.AndDep(x,y)) | |
7f004419 C |
1706 | | Ast.OrDep(d1,d2) -> |
1707 | (match (loop d1, loop d2) with | |
97111a47 C |
1708 | (Ast.NoDep,x) | (x,Ast.NoDep) -> Ast.NoDep |
1709 | | (Ast.FailDep,x) | (x,Ast.FailDep) -> x | |
1710 | | (x,y) -> Ast.OrDep(x,y)) | |
1711 | | Ast.NoDep | Ast.FailDep -> dep | |
7f004419 C |
1712 | in |
1713 | loop dep | |
1714 | ||
c3e37e97 | 1715 | let parse file = |
d6ce1786 | 1716 | Lexer_cocci.init (); |
c3e37e97 | 1717 | let rec parse_loop file = |
5636bb2c | 1718 | Lexer_cocci.include_init (); |
34e49164 C |
1719 | let table = Common.full_charpos_to_pos file in |
1720 | Common.with_open_infile file (fun channel -> | |
1721 | let lexbuf = Lexing.from_channel channel in | |
1722 | let get_tokens = tokens_all table file false lexbuf in | |
1723 | Data.in_prolog := true; | |
1724 | let initial_tokens = get_tokens [PC.TArobArob;PC.TArob] in | |
1725 | Data.in_prolog := false; | |
1726 | let res = | |
1727 | match initial_tokens with | |
1728 | (true,data) -> | |
1729 | (match List.rev data with | |
1730 | ((PC.TArobArob as x),_)::_ | ((PC.TArob as x),_)::_ -> | |
978fd7e5 C |
1731 | let include_and_iso_files = |
1732 | parse_one "include and iso file names" PC.include_main file data in | |
1733 | ||
951c7801 | 1734 | let (include_files,iso_files,virt) = |
978fd7e5 | 1735 | List.fold_left |
951c7801 | 1736 | (function (include_files,iso_files,virt) -> |
978fd7e5 | 1737 | function |
951c7801 C |
1738 | Data.Include s -> (s::include_files,iso_files,virt) |
1739 | | Data.Iso s -> (include_files,s::iso_files,virt) | |
1740 | | Data.Virt l -> (include_files,iso_files,l@virt)) | |
1741 | ([],[],[]) include_and_iso_files in | |
7f004419 | 1742 | |
951c7801 C |
1743 | List.iter (function x -> Hashtbl.add Lexer_cocci.rule_names x ()) |
1744 | virt; | |
1745 | ||
5636bb2c | 1746 | let (extra_iso_files, extra_rules, extra_virt, extra_metas) = |
951c7801 | 1747 | let rec loop = function |
5636bb2c C |
1748 | [] -> ([],[],[],[]) |
1749 | | (a,b,c,d)::rest -> | |
1750 | let (x,y,z,zz) = loop rest in | |
1751 | (a::x,b::y,c::z,d@zz) in | |
c3e37e97 | 1752 | loop (List.map parse_loop include_files) in |
34e49164 | 1753 | |
faf9a90c | 1754 | let parse_cocci_rule ruletype old_metas |
34e49164 | 1755 | (rule_name, dependencies, iso, dropiso, exists, is_expression) = |
413ffc02 | 1756 | let dropiso = !Flag_parsing_cocci.disabled_isos @ dropiso in |
34e49164 C |
1757 | Ast0.rule_name := rule_name; |
1758 | Data.inheritable_positions := | |
1759 | rule_name :: !Data.inheritable_positions; | |
1760 | ||
1761 | (* get metavariable declarations *) | |
34e49164 | 1762 | let (metavars, inherited_metavars) = |
978fd7e5 | 1763 | get_metavars PC.meta_main table file lexbuf in |
9f8e26f4 C |
1764 | Hashtbl.add Data.all_metadecls rule_name metavars; |
1765 | Hashtbl.add Lexer_cocci.rule_names rule_name (); | |
1766 | Hashtbl.add Lexer_cocci.all_metavariables rule_name | |
1767 | (Hashtbl.fold | |
34e49164 C |
1768 | (fun key v rest -> (key,v)::rest) |
1769 | Lexer_cocci.metavariables []); | |
1770 | ||
1771 | (* get transformation rules *) | |
1772 | let (more, tokens) = get_tokens [PC.TArobArob; PC.TArob] in | |
113803cf C |
1773 | let (minus_tokens, _) = split_token_stream tokens in |
1774 | let (_, plus_tokens) = | |
1775 | split_token_stream (minus_to_nothing tokens) in | |
34e49164 | 1776 | |
7f004419 C |
1777 | (* |
1778 | print_tokens "minus tokens" minus_tokens; | |
1779 | print_tokens "plus tokens" plus_tokens; | |
1780 | *) | |
1781 | ||
34e49164 | 1782 | let minus_tokens = consume_minus_positions minus_tokens in |
17ba0788 | 1783 | let plus_tokens = consume_plus_positions plus_tokens in |
34e49164 C |
1784 | let minus_tokens = prepare_tokens minus_tokens in |
1785 | let plus_tokens = prepare_tokens plus_tokens in | |
1786 | ||
1787 | (* | |
1788 | print_tokens "minus tokens" minus_tokens; | |
1789 | print_tokens "plus tokens" plus_tokens; | |
1790 | *) | |
1791 | ||
1792 | let plus_tokens = | |
0708f913 | 1793 | process_pragmas None [] |
34e49164 C |
1794 | (fix (function x -> drop_double_dots (drop_empty_or x)) |
1795 | (drop_when plus_tokens)) in | |
1796 | (* | |
1797 | print_tokens "plus tokens" plus_tokens; | |
1798 | Printf.printf "before minus parse\n"; | |
1799 | *) | |
1800 | let minus_res = | |
1801 | if is_expression | |
1802 | then parse_one "minus" PC.minus_exp_main file minus_tokens | |
1803 | else parse_one "minus" PC.minus_main file minus_tokens in | |
1804 | (* | |
1805 | Unparse_ast0.unparse minus_res; | |
1806 | Printf.printf "before plus parse\n"; | |
1807 | *) | |
1808 | let plus_res = | |
9f8e26f4 C |
1809 | (* put ignore_patch_or_match with * case, which is less |
1810 | constraining *) | |
1811 | if !Flag.sgrep_mode2 or !D.ignore_patch_or_match | |
34e49164 C |
1812 | then (* not actually used for anything, except context_neg *) |
1813 | List.map | |
b1b2de81 | 1814 | (Iso_pattern.rebuild_mcode None).VT0.rebuilder_rec_top_level |
65038c61 | 1815 | (Top_level.top_level false minus_res) |
34e49164 C |
1816 | else |
1817 | if is_expression | |
1818 | then parse_one "plus" PC.plus_exp_main file plus_tokens | |
1819 | else parse_one "plus" PC.plus_main file plus_tokens in | |
65038c61 C |
1820 | let plus_res = Top_level.top_level false plus_res in |
1821 | (* minus code has to be CODE if the + code is CODE, otherwise | |
1822 | doesn't matter if + code is CODE or DECL or TOPCODE *) | |
1823 | let minus_res = | |
1824 | let any_code = | |
1825 | List.exists | |
1826 | (function x -> | |
1827 | match Ast0.unwrap x with Ast0.CODE _ -> true | _ -> false) | |
1828 | plus_res in | |
1829 | if any_code | |
1830 | then Top_level.top_level true minus_res | |
1831 | else Top_level.top_level false minus_res in | |
1832 | let minus_res = Top_level.clean minus_res in | |
1833 | let plus_res = Top_level.clean plus_res in | |
34e49164 | 1834 | (* |
8f657093 | 1835 | Unparse_ast0.unparse plus_res; |
34e49164 C |
1836 | Printf.printf "after plus parse\n"; |
1837 | *) | |
1838 | ||
1839 | (if not !Flag.sgrep_mode2 && | |
785a3008 C |
1840 | (any_modif minus_res or any_modif plus_res) && |
1841 | not(dependencies = Ast.FailDep) | |
34e49164 C |
1842 | then Data.inheritable_positions := []); |
1843 | ||
1844 | Check_meta.check_meta rule_name old_metas inherited_metavars | |
1845 | metavars minus_res plus_res; | |
1846 | ||
1847 | (more, Ast0.CocciRule ((minus_res, metavars, | |
1848 | (iso, dropiso, dependencies, rule_name, exists)), | |
faf9a90c | 1849 | (plus_res, metavars), ruletype), metavars, tokens) in |
34e49164 | 1850 | |
002099fc C |
1851 | let rec collect_script_tokens = function |
1852 | [(PC.EOF,_)] | [(PC.TArobArob,_)] | [(PC.TArob,_)] -> "" | |
1853 | | (PC.TScriptData(s),_)::xs -> s^(collect_script_tokens xs) | |
1854 | | toks -> | |
1855 | List.iter | |
1856 | (function x -> | |
1857 | Printf.printf "%s\n" (token2c x)) | |
1858 | toks; | |
1859 | failwith "Malformed script rule" in | |
1860 | ||
174d1640 | 1861 | let parse_script_rule name language old_metas deps = |
d6ce1786 C |
1862 | Lexer_script.file := file; |
1863 | Lexer_script.language := language; | |
34e49164 C |
1864 | let get_tokens = tokens_script_all table file false lexbuf in |
1865 | ||
1866 | (* meta-variables *) | |
34e49164 | 1867 | let metavars = |
978fd7e5 C |
1868 | Data.call_in_meta |
1869 | (function _ -> | |
1870 | get_script_metavars PC.script_meta_main table file lexbuf) in | |
413ffc02 C |
1871 | let (metavars,script_metavars) = |
1872 | List.fold_left | |
1873 | (function (metavars,script_metavars) -> | |
1874 | function | |
1875 | (script_var,Some(parent,var)) -> | |
1876 | ((script_var,parent,var) :: metavars, script_metavars) | |
1877 | | ((Some script_var,None),None) -> | |
1878 | (metavars, (name,script_var) :: script_metavars) | |
1879 | | _ -> failwith "not possible") | |
1880 | ([],[]) metavars in | |
1881 | let metavars = List.rev metavars in | |
1882 | let script_metavars = List.rev script_metavars in | |
1883 | ||
1884 | Hashtbl.add Data.all_metadecls name | |
1885 | (List.map (function x -> Ast.MetaIdDecl(Ast.NONE,x)) | |
1886 | script_metavars); | |
1887 | Hashtbl.add Lexer_cocci.rule_names name (); | |
1888 | (*TODOHashtbl.add Lexer_cocci.all_metavariables name script_metavars;*) | |
1889 | ||
174d1640 | 1890 | (* |
34e49164 | 1891 | let exists_in old_metas (py,(r,m)) = |
ae4735db | 1892 | r = "virtual" or |
34e49164 C |
1893 | let test (rr,mr) x = |
1894 | let (ro,vo) = Ast.get_meta_name x in | |
1895 | ro = rr && vo = mr in | |
1896 | List.exists (test (r,m)) old_metas in | |
1897 | ||
1898 | List.iter | |
1899 | (function x -> | |
1900 | let meta2c (r,n) = Printf.sprintf "%s.%s" r n in | |
1901 | if not (exists_in old_metas x) then | |
1902 | failwith | |
1903 | (Printf.sprintf | |
1904 | "Script references unknown meta-variable: %s" | |
1905 | (meta2c(snd x)))) | |
1906 | metavars; | |
174d1640 | 1907 | *) |
34e49164 C |
1908 | (* script code *) |
1909 | let (more, tokens) = get_tokens [PC.TArobArob; PC.TArob] in | |
002099fc | 1910 | let data = collect_script_tokens tokens in |
413ffc02 C |
1911 | (more, |
1912 | Ast0.ScriptRule(name, language, deps, metavars, | |
1913 | script_metavars, data), | |
174d1640 | 1914 | [],tokens) in |
34e49164 | 1915 | |
174d1640 | 1916 | let parse_if_script_rule k name language _ deps = |
d6ce1786 C |
1917 | Lexer_script.file := file; |
1918 | Lexer_script.language := language; | |
b1b2de81 C |
1919 | let get_tokens = tokens_script_all table file false lexbuf in |
1920 | ||
1921 | (* script code *) | |
1922 | let (more, tokens) = get_tokens [PC.TArobArob; PC.TArob] in | |
002099fc | 1923 | let data = collect_script_tokens tokens in |
174d1640 | 1924 | (more,k (name, language, deps, data),[],tokens) in |
b1b2de81 C |
1925 | |
1926 | let parse_iscript_rule = | |
1927 | parse_if_script_rule | |
174d1640 C |
1928 | (function (name,language,deps,data) -> |
1929 | Ast0.InitialScriptRule(name,language,deps,data)) in | |
b1b2de81 C |
1930 | |
1931 | let parse_fscript_rule = | |
1932 | parse_if_script_rule | |
174d1640 C |
1933 | (function (name,language,deps,data) -> |
1934 | Ast0.FinalScriptRule(name,language,deps,data)) in | |
c3e37e97 | 1935 | |
174d1640 | 1936 | let do_parse_script_rule fn name l old_metas deps = |
97111a47 | 1937 | fn name l old_metas (eval_depend deps virt) in |
b1b2de81 | 1938 | |
34e49164 C |
1939 | let parse_rule old_metas starts_with_name = |
1940 | let rulename = | |
1941 | get_rule_name PC.rule_name starts_with_name get_tokens file | |
1942 | "rule" in | |
1943 | match rulename with | |
7f004419 C |
1944 | Ast.CocciRulename (Some s, dep, b, c, d, e) -> |
1945 | (match eval_depend dep virt with | |
97111a47 | 1946 | Ast.FailDep -> |
7f004419 C |
1947 | D.ignore_patch_or_match := true; |
1948 | let res = | |
1949 | parse_cocci_rule Ast.Normal old_metas | |
1950 | (s, Ast.FailDep, b, c, d, e) in | |
1951 | D.ignore_patch_or_match := false; | |
97111a47 C |
1952 | res |
1953 | | dep -> parse_cocci_rule Ast.Normal old_metas (s,dep,b,c,d,e)) | |
7f004419 C |
1954 | | Ast.GeneratedRulename (Some s, dep, b, c, d, e) -> |
1955 | (match eval_depend dep virt with | |
97111a47 | 1956 | Ast.FailDep -> |
7f004419 C |
1957 | D.ignore_patch_or_match := true; |
1958 | Data.in_generating := true; | |
1959 | let res = | |
90aeb998 | 1960 | parse_cocci_rule Ast.Generated old_metas |
7f004419 C |
1961 | (s, Ast.FailDep, b, c, d, e) in |
1962 | D.ignore_patch_or_match := false; | |
1963 | Data.in_generating := false; | |
97111a47 C |
1964 | res |
1965 | | dep -> | |
1966 | Data.in_generating := true; | |
1967 | let res = | |
1968 | parse_cocci_rule Ast.Generated old_metas | |
1969 | (s,dep,b,c,d,e) in | |
1970 | Data.in_generating := false; | |
7f004419 | 1971 | res) |
174d1640 C |
1972 | | Ast.ScriptRulename(Some s,l,deps) -> |
1973 | do_parse_script_rule parse_script_rule s l old_metas deps | |
1974 | | Ast.InitialScriptRulename(Some s,l,deps) -> | |
1975 | do_parse_script_rule parse_iscript_rule s l old_metas deps | |
1976 | | Ast.FinalScriptRulename(Some s,l,deps) -> | |
1977 | do_parse_script_rule parse_fscript_rule s l old_metas deps | |
7f004419 | 1978 | | _ -> failwith "Malformed rule name" in |
34e49164 C |
1979 | |
1980 | let rec loop old_metas starts_with_name = | |
1981 | (!Data.init_rule)(); | |
1982 | ||
1983 | let gen_starts_with_name more tokens = | |
1984 | more && | |
1985 | (match List.hd (List.rev tokens) with | |
1986 | (PC.TArobArob,_) -> false | |
1987 | | (PC.TArob,_) -> true | |
faf9a90c | 1988 | | _ -> failwith "unexpected token") |
34e49164 C |
1989 | in |
1990 | ||
1991 | let (more, rule, metavars, tokens) = | |
1992 | parse_rule old_metas starts_with_name in | |
5636bb2c C |
1993 | let all_metas = metavars @ old_metas in |
1994 | ||
34e49164 | 1995 | if more then |
5636bb2c C |
1996 | let (all_rules,all_metas) = |
1997 | loop all_metas (gen_starts_with_name more tokens) in | |
1998 | (rule::all_rules,all_metas) | |
1999 | else ([rule],all_metas) in | |
2000 | ||
2001 | let (all_rules,all_metas) = | |
2002 | loop extra_metas (x = PC.TArob) in | |
978fd7e5 C |
2003 | |
2004 | (List.fold_left | |
2005 | (function prev -> function cur -> Common.union_set cur prev) | |
2006 | iso_files extra_iso_files, | |
951c7801 | 2007 | (* included rules first *) |
7f004419 | 2008 | List.fold_left (function prev -> function cur -> cur@prev) |
5636bb2c C |
2009 | all_rules (List.rev extra_rules), |
2010 | List.fold_left (@) virt extra_virt (*no dups allowed*), | |
2011 | (all_metas : 'a list)) | |
34e49164 C |
2012 | | _ -> failwith "unexpected code before the first rule\n") |
2013 | | (false,[(PC.TArobArob,_)]) | (false,[(PC.TArob,_)]) -> | |
5636bb2c | 2014 | ([],([] : Ast0.parsed_rule list),[] (*virtual rules*), [] (*all metas*)) |
34e49164 | 2015 | | _ -> failwith "unexpected code before the first rule\n" in |
c3e37e97 C |
2016 | res) in |
2017 | parse_loop file | |
34e49164 C |
2018 | |
2019 | (* parse to ast0 and then convert to ast *) | |
2020 | let process file isofile verbose = | |
2021 | let extra_path = Filename.dirname file in | |
5636bb2c | 2022 | let (iso_files, rules, virt, _metas) = parse file in |
7f004419 | 2023 | eval_virt virt; |
34e49164 C |
2024 | let std_isos = |
2025 | match isofile with | |
2026 | None -> [] | |
2027 | | Some iso_file -> parse_iso_files [] [Common.Left iso_file] "" in | |
2028 | let global_isos = parse_iso_files std_isos iso_files extra_path in | |
2029 | let rules = Unitary_ast0.do_unitary rules in | |
2030 | let parsed = | |
2031 | List.map | |
2032 | (function | |
413ffc02 C |
2033 | Ast0.ScriptRule (a,b,c,d,fv,e) -> |
2034 | [([],Ast.ScriptRule (a,b,c,d,fv,e))] | |
174d1640 C |
2035 | | Ast0.InitialScriptRule(a,b,c,d) -> |
2036 | [([],Ast.InitialScriptRule (a,b,c,d))] | |
2037 | | Ast0.FinalScriptRule (a,b,c,d) -> | |
2038 | [([],Ast.FinalScriptRule (a,b,c,d))] | |
34e49164 C |
2039 | | Ast0.CocciRule |
2040 | ((minus, metavarsm, | |
2041 | (iso, dropiso, dependencies, rule_name, exists)), | |
faf9a90c | 2042 | (plus, metavars),ruletype) -> |
34e49164 C |
2043 | let chosen_isos = |
2044 | parse_iso_files global_isos | |
2045 | (List.map (function x -> Common.Left x) iso) | |
2046 | extra_path in | |
2047 | let chosen_isos = | |
2048 | (* check that dropped isos are actually available *) | |
2049 | (try | |
2050 | let iso_names = | |
2051 | List.map (function (_,_,nm) -> nm) chosen_isos in | |
2052 | let local_iso_names = reserved_names @ iso_names in | |
2053 | let bad_dropped = | |
2054 | List.find | |
2055 | (function dropped -> | |
2056 | not (List.mem dropped local_iso_names)) | |
2057 | dropiso in | |
2058 | failwith | |
2059 | ("invalid iso name " ^ bad_dropped ^ " in " ^ rule_name) | |
2060 | with Not_found -> ()); | |
faf9a90c C |
2061 | if List.mem "all" dropiso |
2062 | then | |
34e49164 C |
2063 | if List.length dropiso = 1 |
2064 | then [] | |
2065 | else failwith "disable all should only be by itself" | |
2066 | else (* drop those isos *) | |
2067 | List.filter | |
2068 | (function (_,_,nm) -> not (List.mem nm dropiso)) | |
2069 | chosen_isos in | |
34e49164 C |
2070 | let dropped_isos = |
2071 | match reserved_names with | |
2072 | "all"::others -> | |
2073 | (match dropiso with | |
2074 | ["all"] -> others | |
2075 | | _ -> | |
2076 | List.filter (function x -> List.mem x dropiso) others) | |
2077 | | _ -> | |
2078 | failwith | |
2079 | "bad list of reserved names - all must be at start" in | |
2080 | let minus = Test_exps.process minus in | |
978fd7e5 C |
2081 | let minus = Compute_lines.compute_lines false minus in |
2082 | let plus = Compute_lines.compute_lines false plus in | |
34e49164 C |
2083 | let is_exp = |
2084 | (* only relevant to Flag.make_hrule *) | |
2085 | (* doesn't handle multiple minirules properly, but since | |
2086 | we don't really handle them in lots of other ways, it | |
2087 | doesn't seem very important *) | |
2088 | match plus with | |
2089 | [] -> [false] | |
2090 | | p::_ -> | |
2091 | [match Ast0.unwrap p with | |
2092 | Ast0.CODE c -> | |
2093 | (match List.map Ast0.unwrap (Ast0.undots c) with | |
2094 | [Ast0.Exp e] -> true | _ -> false) | |
2095 | | _ -> false] in | |
2096 | let minus = Arity.minus_arity minus in | |
2097 | let ((metavars,minus),function_prototypes) = | |
2098 | Function_prototypes.process | |
faf9a90c | 2099 | rule_name metavars dropped_isos minus plus ruletype in |
0708f913 | 2100 | let plus = Adjust_pragmas.process plus in |
34e49164 | 2101 | (* warning! context_neg side-effects its arguments *) |
faf9a90c | 2102 | let (m,p) = List.split (Context_neg.context_neg minus plus) in |
34e49164 | 2103 | Type_infer.type_infer p; |
993936c0 | 2104 | (if not (!Flag.sgrep_mode2 or dependencies = Ast.FailDep) |
faf9a90c | 2105 | then Insert_plus.insert_plus m p (chosen_isos = [])); |
34e49164 C |
2106 | Type_infer.type_infer minus; |
2107 | let (extra_meta, minus) = | |
faf9a90c C |
2108 | match (chosen_isos,ruletype) with |
2109 | (* separate case for [] because applying isos puts | |
2110 | some restrictions on the -+ code *) | |
2111 | ([],_) | (_,Ast.Generated) -> ([],minus) | |
2112 | | _ -> Iso_pattern.apply_isos chosen_isos minus rule_name in | |
abad11c5 C |
2113 | (* must be before adj *) |
2114 | let minus = Commas_on_lists.process minus in | |
708f4980 C |
2115 | (* after iso, because iso can intro ... *) |
2116 | let minus = Adjacency.compute_adjacency minus in | |
34e49164 C |
2117 | let minus = Comm_assoc.comm_assoc minus rule_name dropiso in |
2118 | let minus = | |
2119 | if !Flag.sgrep_mode2 then minus | |
2120 | else Single_statement.single_statement minus in | |
2121 | let minus = Simple_assignments.simple_assignments minus in | |
17ba0788 C |
2122 | (* has to be last, introduced AsExpr, etc *) |
2123 | let minus = Get_metas.process minus in | |
34e49164 C |
2124 | let minus_ast = |
2125 | Ast0toast.ast0toast rule_name dependencies dropped_isos | |
faf9a90c | 2126 | exists minus is_exp ruletype in |
ae4735db | 2127 | |
34e49164 C |
2128 | match function_prototypes with |
2129 | None -> [(extra_meta @ metavars, minus_ast)] | |
978fd7e5 | 2130 | | Some mv_fp -> [(extra_meta @ metavars, minus_ast); mv_fp]) |
34e49164 C |
2131 | (* Ast0.CocciRule ((minus, metavarsm, (iso, dropiso, dependencies, rule_name, exists)), (plus, metavars))*) |
2132 | rules in | |
3a314143 | 2133 | |
34e49164 | 2134 | let parsed = List.concat parsed in |
690d68d1 | 2135 | let parsed = Safe_for_multi_decls.safe_for_multi_decls parsed in |
34e49164 | 2136 | let disjd = Disjdistr.disj parsed in |
faf9a90c C |
2137 | |
2138 | let (metavars,code,fvs,neg_pos,ua,pos) = Free_vars.free_vars disjd in | |
34e49164 C |
2139 | if !Flag_parsing_cocci.show_SP |
2140 | then List.iter Pretty_print_cocci.unparse code; | |
faf9a90c | 2141 | |
1eddfd50 | 2142 | let search_tokens = |
951c7801 | 2143 | Common.profile_code "get_glimpse_constants" (* for glimpse *) |
7f004419 | 2144 | (fun () -> Get_constants2.get_constants code neg_pos) in |
951c7801 | 2145 | |
1eddfd50 | 2146 | (metavars,code,fvs,neg_pos,ua,pos,search_tokens) |