(*
* Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
* This file is part of Coccinelle.
*
* Coccinelle is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, according to version 2 of the License.
*
* Coccinelle is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Coccinelle. If not, see .
*
* The authors reserve the right to distribute this or future versions of
* Coccinelle under other licenses.
*)
(*
* Copyright 2005-2010, Ecole des Mines de Nantes, University of Copenhagen
* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
* This file is part of Coccinelle.
*
* Coccinelle is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, according to version 2 of the License.
*
* Coccinelle is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Coccinelle. If not, see .
*
* The authors reserve the right to distribute this or future versions of
* Coccinelle under other licenses.
*)
module Ast = Ast_cocci
module Past = Ast_popl
(* --------------------------------------------------------------------- *)
let term s inif =
let fail _ =
Pretty_print_cocci.statement "" s;
Format.print_newline();
failwith "complex statements not supported" in
match Ast.unwrap s with
Ast.Atomic(ast) ->
(match Ast.unwrap ast with
Ast.ExprStatement(_,_) -> Past.Atomic ast
| Ast.Exp(_) -> Past.Atomic ast
| Ast.Decl(_,_,_) -> Past.Atomic ast
| Ast.ReturnExpr(_,_,_) -> Past.Atomic ast
| Ast.MetaStmt(_,_,_,_) when inif -> Past.Atomic ast
| Ast.DisjRuleElem(_) -> Past.Atomic ast
| _ -> fail())
| _ -> fail()
let rec stm s =
match Ast.unwrap s with
Ast.Atomic(ast) -> Past.Term(term s false,dots_bef_aft s false)
| Ast.IfThen(header,body,aft) ->
Past.Term(
Past.IfThen(Past.Atomic header,term body true,aft),
dots_bef_aft s true)
| Ast.Disj(stm1::stm2::stmts) ->
List.fold_left
(function prev ->
function cur ->
Past.Or(Past.Seq(prev,Past.Empty),stm_list cur))
(Past.Or(stm_list stm1,stm_list stm2)) stmts
| Ast.Dots(dots,whencodes,_,_) ->
Past.DInfo
(List.fold_left
(function prev ->
function
Ast.WhenNot(a) -> Past.When(prev,stm_list a)
| _ -> failwith "only when != supported")
Past.Dots whencodes)
| Ast.Nest(starter,stmt_dots,ender,whencodes,false,_,_) ->
(match Ast.get_mcodekind starter with
Ast.MINUS _ -> failwith "only context nests supported"
| _ -> ());
let nest = Past.Nest(stm_list stmt_dots) in
Past.DInfo
(List.fold_left
(function prev ->
function
Ast.WhenNot(a) -> Past.When(prev,stm_list a)
| _ -> failwith "only when != supported")
nest whencodes)
| _ ->
Pretty_print_cocci.statement "" s;
failwith "unsupported statement3"
and dots_bef_aft s inif =
match Ast.get_dots_bef_aft s with
Ast.AddingBetweenDots (brace_term,n) ->
Past.AddingBetweenDots (term brace_term inif,n)
| Ast.DroppingBetweenDots (brace_term,n) ->
Past.DroppingBetweenDots (term brace_term inif,n)
| Ast.NoDots -> Past.NoDots
and stm_list s =
match Ast.unwrap s with
Ast.DOTS(d) ->
List.fold_right
(function cur -> function rest -> Past.Seq(stm cur, rest))
d Past.Empty
| _ -> failwith "only DOTS handled"
let top s =
match Ast.unwrap s with
Ast.CODE(stmt_dots) -> stm_list stmt_dots
| _ -> failwith "only CODE handled"