| 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" |