Commit | Line | Data |
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951c7801 C |
1 | module Ast = Ast_cocci |
2 | module Past = Ast_popl | |
3 | ||
4 | (* --------------------------------------------------------------------- *) | |
5 | ||
6 | let term s inif = | |
7 | let fail _ = | |
8 | Pretty_print_cocci.statement "" s; | |
9 | Format.print_newline(); | |
10 | failwith "complex statements not supported" in | |
11 | match Ast.unwrap s with | |
12 | Ast.Atomic(ast) -> | |
13 | (match Ast.unwrap ast with | |
14 | Ast.ExprStatement(_,_) -> Past.Atomic ast | |
15 | | Ast.Exp(_) -> Past.Atomic ast | |
16 | | Ast.Decl(_,_,_) -> Past.Atomic ast | |
17 | | Ast.ReturnExpr(_,_,_) -> Past.Atomic ast | |
18 | | Ast.MetaStmt(_,_,_,_) when inif -> Past.Atomic ast | |
19 | | Ast.DisjRuleElem(_) -> Past.Atomic ast | |
20 | | _ -> fail()) | |
21 | | _ -> fail() | |
22 | ||
23 | let rec stm s = | |
24 | match Ast.unwrap s with | |
25 | Ast.Atomic(ast) -> Past.Term(term s false,dots_bef_aft s false) | |
26 | | Ast.IfThen(header,body,aft) -> | |
27 | Past.Term( | |
28 | Past.IfThen(Past.Atomic header,term body true,aft), | |
29 | dots_bef_aft s true) | |
30 | | Ast.Disj(stm1::stm2::stmts) -> | |
31 | List.fold_left | |
32 | (function prev -> | |
33 | function cur -> | |
34 | Past.Or(Past.Seq(prev,Past.Empty),stm_list cur)) | |
35 | (Past.Or(stm_list stm1,stm_list stm2)) stmts | |
36 | | Ast.Dots(dots,whencodes,_,_) -> | |
37 | Past.DInfo | |
38 | (List.fold_left | |
39 | (function prev -> | |
40 | function | |
41 | Ast.WhenNot(a) -> Past.When(prev,stm_list a) | |
42 | | _ -> failwith "only when != supported") | |
43 | Past.Dots whencodes) | |
5636bb2c C |
44 | | Ast.Nest(starter,stmt_dots,ender,whencodes,false,_,_) -> |
45 | (match Ast.get_mcodekind starter with | |
46 | Ast.MINUS _ -> failwith "only context nests supported" | |
47 | | _ -> ()); | |
951c7801 C |
48 | let nest = Past.Nest(stm_list stmt_dots) in |
49 | Past.DInfo | |
50 | (List.fold_left | |
51 | (function prev -> | |
52 | function | |
53 | Ast.WhenNot(a) -> Past.When(prev,stm_list a) | |
54 | | _ -> failwith "only when != supported") | |
55 | nest whencodes) | |
56 | | _ -> | |
57 | Pretty_print_cocci.statement "" s; | |
58 | failwith "unsupported statement3" | |
59 | ||
60 | and dots_bef_aft s inif = | |
61 | match Ast.get_dots_bef_aft s with | |
62 | Ast.AddingBetweenDots (brace_term,n) -> | |
63 | Past.AddingBetweenDots (term brace_term inif,n) | |
64 | | Ast.DroppingBetweenDots (brace_term,n) -> | |
65 | Past.DroppingBetweenDots (term brace_term inif,n) | |
66 | | Ast.NoDots -> Past.NoDots | |
67 | ||
68 | and stm_list s = | |
69 | match Ast.unwrap s with | |
70 | Ast.DOTS(d) -> | |
71 | List.fold_right | |
72 | (function cur -> function rest -> Past.Seq(stm cur, rest)) | |
73 | d Past.Empty | |
74 | | _ -> failwith "only DOTS handled" | |
75 | ||
76 | let top s = | |
77 | match Ast.unwrap s with | |
78 | Ast.CODE(stmt_dots) -> stm_list stmt_dots | |
79 | | _ -> failwith "only CODE handled" |