(*
-* Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
-* Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller
-* 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 <http://www.gnu.org/licenses/>.
-*
-* The authors reserve the right to distribute this or future versions of
-* Coccinelle under other licenses.
-*)
+ * Copyright 2010, INRIA, University of Copenhagen
+ * Julia Lawall, Rene Rydhof Hansen, Gilles Muller, Nicolas Palix
+ * Copyright 2005-2009, 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 <http://www.gnu.org/licenses/>.
+ *
+ * The authors reserve the right to distribute this or future versions of
+ * Coccinelle under other licenses.
+ *)
(* For minus fragment, checks that all of the identifier metavariables that
module VT0 = Visitor_ast0_types
(* all fresh identifiers *)
-let fresh_table = (Hashtbl.create(50) : ((string * string), unit) Hashtbl.t)
+let fresh_table = (Hashtbl.create(50) : (Ast.meta_name, unit) Hashtbl.t)
let warning s = Printf.fprintf stderr "warning: %s\n" s
let is_ifdef name =
String.length name > 2 && String.uppercase name = name
-let ident context old_metas table minus i =
+let rec ident context old_metas table minus i =
match Ast0.unwrap i with
Ast0.Id((name,_,info,_,_,_) : string Ast0.mcode) ->
let rl = info.Ast0.pos_info.Ast0.line_start in
+ let is_plus i =
+ match Ast0.get_mcodekind i with Ast0.PLUS _ -> true | _ -> false in
let err =
if List.exists (function x -> x = name) old_metas
- && (minus || Ast0.get_mcodekind i = Ast0.PLUS)
+ && (minus || is_plus i)
then
begin
warning
(Printf.sprintf
"line %d: %s, previously declared as a metavariable, is used as an identifier" rl name);
- true
+ true
end
else false in
(match context with
ID ->
- if not (is_ifdef name) && minus && not err(* warn only once per id *)
+ if not (is_ifdef name) && minus && not err(* warn only once per id *) && not info.Ast0.isSymbolIdent
then
warning
(Printf.sprintf "line %d: should %s be a metavariable?" rl name)
| _ -> ())
- | Ast0.MetaId(name,_,_) -> check_table table minus name
+ | Ast0.MetaId(name,_,seedval,_) ->
+ check_table table minus name;
+ seed table minus seedval
| Ast0.MetaFunc(name,_,_) -> check_table table minus name
| Ast0.MetaLocalFunc(name,_,_) -> check_table table minus name
+ | Ast0.DisjId(_,id_list,_,_) ->
+ List.iter (ident context old_metas table minus) id_list
| Ast0.OptIdent(_) | Ast0.UniqueIdent(_) ->
failwith "unexpected code"
+and seed table minus = function
+ Ast.NoVal -> ()
+ | Ast.StringSeed _ -> ()
+ | Ast.ListSeed elems ->
+ List.iter
+ (function
+ Ast.SeedString _ -> ()
+ | Ast.SeedId name -> check_table table minus (promote name))
+ elems
+
(* --------------------------------------------------------------------- *)
(* Expression *)
| Ast0.SizeOfExpr(szf,exp) -> expression ID old_metas table minus exp
| Ast0.SizeOfType(szf,lp,ty,rp) -> typeC old_metas table minus ty
| Ast0.TypeExp(ty) -> typeC old_metas table minus ty
+ | Ast0.Constructor(lp,ty,rp,init) ->
+ typeC old_metas table minus ty; initialiser old_metas table minus init
| Ast0.MetaExpr(name,_,Some tys,_,_) ->
List.iter
(function x ->
check_table table minus name
| Ast0.MetaExpr(name,_,_,_,_) | Ast0.MetaErr(name,_,_) ->
check_table table minus name
- | Ast0.MetaExprList(name,None,_) ->
- check_table table minus name
- | Ast0.MetaExprList(name,Some lenname,_) ->
+ | Ast0.MetaExprList(name,Ast0.MetaListLen lenname,_) ->
check_table table minus name;
check_table table minus lenname
+ | Ast0.MetaExprList(name,_,_) ->
+ check_table table minus name
| Ast0.DisjExpr(_,exps,_,_) ->
List.iter (expression context old_metas table minus) exps
| Ast0.NestExpr(_,exp_dots,_,w,_) ->
Type_cocci.ConstVol(_,ty) | Type_cocci.SignedT(_,Some ty)
| Type_cocci.Pointer(ty)
| Type_cocci.FunctionPointer(ty) | Type_cocci.Array(ty) -> get_type_name ty
+ | Type_cocci.EnumName(Type_cocci.MV(nm,_,_)) -> Some nm
+ | Type_cocci.StructUnionName(_,Type_cocci.MV(nm,_,_)) -> Some nm
| Type_cocci.MetaType(nm,_,_) -> Some nm
| _ -> None
check_table table minus name
| Ast0.DisjType(_,types,_,_) ->
List.iter (typeC old_metas table minus) types
- | Ast0.EnumName(en,id) -> ident GLOBAL old_metas table minus id
+ | Ast0.EnumName(en,Some id) -> ident GLOBAL old_metas table minus id
+ | Ast0.EnumDef(ty,lb,ids,rb) ->
+ typeC old_metas table minus ty;
+ dots (expression GLOBAL old_metas table minus) ids
| Ast0.StructUnionName(su,Some id) -> ident GLOBAL old_metas table minus id
| Ast0.StructUnionDef(ty,lb,decls,rb) ->
typeC old_metas table minus ty;
and declaration context old_metas table minus d =
match Ast0.unwrap d with
- Ast0.Init(stg,ty,id,eq,ini,sem) ->
+ Ast0.MetaDecl(name,_) | Ast0.MetaField(name,_) ->
+ check_table table minus name
+ | Ast0.MetaFieldList(name,Ast0.MetaListLen lenname,_) ->
+ check_table table minus name;
+ check_table table minus lenname
+ | Ast0.MetaFieldList(name,_,_) ->
+ check_table table minus name
+ | Ast0.Init(stg,ty,id,eq,ini,sem) ->
(match Ast0.unwrap ini with
Ast0.InitExpr exp ->
typeC old_metas table minus ty;
match Ast0.unwrap ini with
Ast0.MetaInit(name,_) ->
check_table table minus name
+ | Ast0.MetaInitList(name,Ast0.MetaListLen lenname,_) ->
+ check_table table minus name;
+ check_table table minus lenname
+ | Ast0.MetaInitList(name,_,_) ->
+ check_table table minus name
| Ast0.InitExpr(exp) -> expression ID old_metas table minus exp
- | Ast0.InitList(lb,initlist,rb) ->
+ | Ast0.InitList(lb,initlist,rb,ordered) ->
dots (initialiser old_metas table minus) initlist
| Ast0.InitGccExt(designators,eq,ini) ->
List.iter (designator old_metas table minus) designators;
typeC old_metas table minus ty
| Ast0.MetaParam(name,_) ->
check_table table minus name
- | Ast0.MetaParamList(name,None,_) ->
- check_table table minus name
- | Ast0.MetaParamList(name,Some lenname,_) ->
+ | Ast0.MetaParamList(name,Ast0.MetaListLen lenname,_) ->
check_table table minus name;
check_table table minus lenname
+ | Ast0.MetaParamList(name,_,_) ->
+ check_table table minus name
| _ -> () (* no metavariable subterms *)
and parameter_list old_metas table minus =
match Ast0.unwrap s with
Ast0.Decl(_,decl) -> declaration ID old_metas table minus decl
| Ast0.Seq(lbrace,body,rbrace) -> dots (statement old_metas table minus) body
- | Ast0.ExprStatement(exp,sem) -> expression ID old_metas table minus exp
+ | Ast0.ExprStatement(exp,sem) ->
+ get_opt (expression ID old_metas table minus) exp
| Ast0.IfThen(iff,lp,exp,rp,branch,_) ->
expression ID old_metas table minus exp;
statement old_metas table minus branch
ident GLOBAL old_metas table minus nm;
dots (expression ID old_metas table minus) args;
statement old_metas table minus body
- | Ast0.Switch(switch,lp,exp,rp,lb,cases,rb) ->
+ | Ast0.Switch(switch,lp,exp,rp,lb,decls,cases,rb) ->
expression ID old_metas table minus exp;
+ dots (statement old_metas table minus) decls;
dots (case_line old_metas table minus) cases
| Ast0.ReturnExpr(ret,exp,sem) -> expression ID old_metas table minus exp
| Ast0.MetaStmt(name,_) -> check_table table minus name
parameter_list old_metas table minus params;
dots (statement old_metas table minus) body
| Ast0.Include(inc,s) -> () (* no metavariables possible *)
- | Ast0.Define(def,id,_,body) ->
+ | Ast0.Undef(def,id) ->
+ ident GLOBAL old_metas table minus id
+ | Ast0.Define(def,id,params,body) ->
ident GLOBAL old_metas table minus id;
+ define_parameters old_metas table minus params;
dots (statement old_metas table minus) body
| Ast0.Label(i,_) -> ident ID old_metas table minus i
| Ast0.Goto(_,i,_) -> ident ID old_metas table minus i
| _ -> () (* no metavariable subterms *)
+and define_param old_metas table minus p =
+ match Ast0.unwrap p with
+ Ast0.DParam(id) -> ident GLOBAL old_metas table minus id
+ | Ast0.DPComma(_) | Ast0.DPdots(_) | Ast0.DPcircles(_) ->
+ () (* no metavariable subterms *)
+ | Ast0.OptDParam(dp) -> define_param old_metas table minus dp
+ | Ast0.UniqueDParam(dp) -> define_param old_metas table minus dp
+
+and define_parameters old_metas table minus x =
+ match Ast0.unwrap x with
+ Ast0.NoParams -> ()
+ | Ast0.DParams(lp,dp,rp) -> dots (define_param old_metas table minus) dp
+
and fninfo old_metas table minus = function
Ast0.FStorage(stg) -> ()
| Ast0.FType(ty) -> typeC old_metas table minus ty
Ast0.Default(def,colon,code) ->
dots (statement old_metas table minus) code
| Ast0.Case(case,exp,colon,code) ->
+ expression GLOBAL old_metas table minus exp;
dots (statement old_metas table minus) code
+ | Ast0.DisjCase(_,case_lines,_,_) ->
+ List.iter (case_line old_metas table minus) case_lines
| Ast0.OptCase(case) -> failwith "unexpected code"
(* --------------------------------------------------------------------- *)
let top_level old_metas table minus t =
match Ast0.unwrap t with
- Ast0.DECL(stmt) -> statement old_metas table minus stmt
- | Ast0.CODE(stmt_dots) -> dots (statement old_metas table minus) stmt_dots
+ Ast0.NONDECL(stmt) -> statement old_metas table minus stmt
+ | Ast0.CODE(stmt_dots) | Ast0.TOPCODE(stmt_dots) ->
+ dots (statement old_metas table minus) stmt_dots
| Ast0.ERRORWORDS(exps) ->
List.iter (expression FN old_metas table minus) exps
| _ -> () (* no metavariables possible *)
let positions table rules =
let mcode x =
- match Ast0.get_pos x with
- Ast0.MetaPos(name,constraints,_) ->
+ List.iter
+ (function Ast0.MetaPos(name,constraints,_) ->
let pos = Ast0.unwrap_mcode name in
- (find_loop table pos) := true
- | _ -> () in
+ (find_loop table pos) := true)
+ (Ast0.get_pos x) in
let option_default = () in
let bind x y = () in
let donothing r k e = k e in
let dup_positions rules =
let mcode x =
- match Ast0.get_pos x with
- Ast0.MetaPos(name,constraints,_) ->
- let pos = Ast0.unwrap_mcode name in [pos]
- | _ -> [] in
+ List.map
+ (function Ast0.MetaPos(name,constraints,_) -> Ast0.unwrap_mcode name)
+ (Ast0.get_pos x) in
let option_default = [] in
let bind x y = x@y in
let rec loop = function
[] | [_] -> ()
| ((rule,name) as x)::y::_ when x = y ->
- failwith (Printf.sprintf "duplicate use of %s.%s" rule name)
+ failwith
+ (Printf.sprintf "duplicate use of %s.%s" rule name)
| _::xs -> loop xs in
loop res
let make_table l =
let table =
(Hashtbl.create(List.length l) :
- ((string * string), bool ref) Hashtbl.t) in
+ (Ast.meta_name, bool ref) Hashtbl.t) in
List.iter
(function x -> Hashtbl.add table (Ast.get_meta_name x) (ref false)) l;
table
HCoop / bpt / coccinelle.git / blobdiff