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9f8e26f4 | 1 | (* |
ae4735db | 2 | * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen |
9f8e26f4 C |
3 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix |
4 | * This file is part of Coccinelle. | |
5 | * | |
6 | * Coccinelle is free software: you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation, according to version 2 of the License. | |
9 | * | |
10 | * Coccinelle is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
17 | * | |
18 | * The authors reserve the right to distribute this or future versions of | |
19 | * Coccinelle under other licenses. | |
20 | *) | |
21 | ||
22 | ||
5636bb2c C |
23 | (* |
24 | * Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen | |
25 | * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix | |
26 | * This file is part of Coccinelle. | |
27 | * | |
28 | * Coccinelle is free software: you can redistribute it and/or modify | |
29 | * it under the terms of the GNU General Public License as published by | |
30 | * the Free Software Foundation, according to version 2 of the License. | |
31 | * | |
32 | * Coccinelle is distributed in the hope that it will be useful, | |
33 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
34 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
35 | * GNU General Public License for more details. | |
36 | * | |
37 | * You should have received a copy of the GNU General Public License | |
38 | * along with Coccinelle. If not, see <http://www.gnu.org/licenses/>. | |
39 | * | |
40 | * The authors reserve the right to distribute this or future versions of | |
41 | * Coccinelle under other licenses. | |
42 | *) | |
43 | ||
44 | ||
951c7801 C |
45 | module Ast = Ast_cocci |
46 | module Past = Ast_popl | |
47 | ||
48 | (* --------------------------------------------------------------------- *) | |
49 | ||
50 | let term s inif = | |
51 | let fail _ = | |
52 | Pretty_print_cocci.statement "" s; | |
53 | Format.print_newline(); | |
54 | failwith "complex statements not supported" in | |
55 | match Ast.unwrap s with | |
56 | Ast.Atomic(ast) -> | |
57 | (match Ast.unwrap ast with | |
58 | Ast.ExprStatement(_,_) -> Past.Atomic ast | |
59 | | Ast.Exp(_) -> Past.Atomic ast | |
60 | | Ast.Decl(_,_,_) -> Past.Atomic ast | |
61 | | Ast.ReturnExpr(_,_,_) -> Past.Atomic ast | |
62 | | Ast.MetaStmt(_,_,_,_) when inif -> Past.Atomic ast | |
63 | | Ast.DisjRuleElem(_) -> Past.Atomic ast | |
64 | | _ -> fail()) | |
65 | | _ -> fail() | |
66 | ||
67 | let rec stm s = | |
68 | match Ast.unwrap s with | |
69 | Ast.Atomic(ast) -> Past.Term(term s false,dots_bef_aft s false) | |
70 | | Ast.IfThen(header,body,aft) -> | |
71 | Past.Term( | |
72 | Past.IfThen(Past.Atomic header,term body true,aft), | |
73 | dots_bef_aft s true) | |
74 | | Ast.Disj(stm1::stm2::stmts) -> | |
75 | List.fold_left | |
76 | (function prev -> | |
77 | function cur -> | |
78 | Past.Or(Past.Seq(prev,Past.Empty),stm_list cur)) | |
79 | (Past.Or(stm_list stm1,stm_list stm2)) stmts | |
80 | | Ast.Dots(dots,whencodes,_,_) -> | |
81 | Past.DInfo | |
82 | (List.fold_left | |
83 | (function prev -> | |
84 | function | |
85 | Ast.WhenNot(a) -> Past.When(prev,stm_list a) | |
86 | | _ -> failwith "only when != supported") | |
87 | Past.Dots whencodes) | |
5636bb2c C |
88 | | Ast.Nest(starter,stmt_dots,ender,whencodes,false,_,_) -> |
89 | (match Ast.get_mcodekind starter with | |
90 | Ast.MINUS _ -> failwith "only context nests supported" | |
91 | | _ -> ()); | |
951c7801 C |
92 | let nest = Past.Nest(stm_list stmt_dots) in |
93 | Past.DInfo | |
94 | (List.fold_left | |
95 | (function prev -> | |
96 | function | |
97 | Ast.WhenNot(a) -> Past.When(prev,stm_list a) | |
98 | | _ -> failwith "only when != supported") | |
99 | nest whencodes) | |
100 | | _ -> | |
101 | Pretty_print_cocci.statement "" s; | |
102 | failwith "unsupported statement3" | |
103 | ||
104 | and dots_bef_aft s inif = | |
105 | match Ast.get_dots_bef_aft s with | |
106 | Ast.AddingBetweenDots (brace_term,n) -> | |
107 | Past.AddingBetweenDots (term brace_term inif,n) | |
108 | | Ast.DroppingBetweenDots (brace_term,n) -> | |
109 | Past.DroppingBetweenDots (term brace_term inif,n) | |
110 | | Ast.NoDots -> Past.NoDots | |
111 | ||
112 | and stm_list s = | |
113 | match Ast.unwrap s with | |
114 | Ast.DOTS(d) -> | |
115 | List.fold_right | |
116 | (function cur -> function rest -> Past.Seq(stm cur, rest)) | |
117 | d Past.Empty | |
118 | | _ -> failwith "only DOTS handled" | |
119 | ||
120 | let top s = | |
121 | match Ast.unwrap s with | |
122 | Ast.CODE(stmt_dots) -> stm_list stmt_dots | |
123 | | _ -> failwith "only CODE handled" |