Commit | Line | Data |
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951c7801 C |
1 | module Ast = Ast_cocci |
2 | module Past = Ast_popl | |
3 | ||
4 | (* --------------------------------------------------------------------- *) | |
5 | ||
6 | let rec stm s = | |
7 | match Ast.unwrap s with | |
8 | Ast.Atomic(ast) -> | |
9 | (match Ast.unwrap ast with | |
10 | Ast.ExprStatement(_,_) -> Past.Term ast | |
11 | | Ast.Exp(_) -> Past.Term ast | |
12 | | Ast.Decl(_,_,_) -> Past.Term ast | |
13 | | _ -> failwith "complex statements not supported") | |
14 | | Ast.Disj(stm1::stm2::stmts) -> | |
15 | List.fold_left | |
16 | (function prev -> | |
17 | function cur -> | |
18 | Past.Or(Past.Seq(prev,Past.Empty),stm_list cur)) | |
19 | (Past.Or(stm_list stm1,stm_list stm2)) stmts | |
20 | | Ast.Dots(dots,whencodes,_,_) -> | |
21 | (match whencodes with | |
22 | [Ast.WhenNot(a)] -> Past.DInfo(Past.When(Past.Dots,stm_list a),[],[]) | |
23 | | _ -> failwith "only one when != supported") | |
24 | | Ast.Nest(stmt_dots,whencodes,false,_,_) -> | |
25 | let nest = Past.Nest(stm_list stmt_dots) in | |
26 | (match whencodes with | |
27 | [Ast.WhenNot(a)] -> Past.DInfo(Past.When(nest,stm_list a),[],[]) | |
28 | | _ -> failwith "only when != supported") | |
29 | | Ast.While(header,body,(_,_,_,aft)) | Ast.For(header,body,(_,_,_,aft)) -> | |
30 | (* only allowed if only the header is significant *) | |
31 | (match (Ast.unwrap body,aft) with | |
32 | (Ast.Atomic(re),Ast.CONTEXT(_,Ast.NOTHING)) -> | |
33 | (match Ast.unwrap re with | |
34 | Ast.MetaStmt(_,Type_cocci.Unitary,_,false) -> Past.Term header | |
35 | | _ -> failwith "unsupported statement1") | |
36 | | _ -> failwith "unsupported statement2") | |
37 | | _ -> | |
38 | Pretty_print_cocci.statement "" s; | |
39 | failwith "unsupported statement3" | |
40 | ||
41 | and stm_list s = | |
42 | match Ast.unwrap s with | |
43 | Ast.DOTS(d) -> | |
44 | List.fold_right | |
45 | (function cur -> function rest -> Past.Seq(stm cur, rest)) | |
46 | d Past.Empty | |
47 | | _ -> failwith "only DOTS handled" | |
48 | ||
49 | let top s = | |
50 | match Ast.unwrap s with | |
51 | Ast.CODE(stmt_dots) -> stm_list stmt_dots | |
52 | | _ -> failwith "only CODE handled" |