%token <string> TPathIsoFile
%token <string * Data.clt> TIncludeL TIncludeNL
-%token <Data.clt * token> TDefine
+%token <Data.clt * token> TDefine TUndef
%token <Data.clt * token * int * int> TDefineParam
%token <string * Data.clt> TMinusFile TPlusFile
| TUsing TPathIsoFile { Data.Iso(Common.Right $2) }
| TVirtual comma_list(pure_ident)
{ let names = List.map P.id2name $2 in
+ Iteration.parsed_virtual_rules :=
+ Common.union_set names !Iteration.parsed_virtual_rules;
(* ensure that the names of virtual and real rules don't overlap *)
List.iter
(function name -> Hashtbl.add Data.all_metadecls name [])
let vl = List.assoc name virtual_env in
!Data.add_virt_id_meta_found name vl; []
with Not_found ->
+ Iteration.parsed_virtual_identifiers :=
+ Common.union_set [name]
+ !Iteration.parsed_virtual_identifiers;
let name = ("virtual",name) in
let tok = check_meta(Ast.MetaIdDecl(arity,name)) in
!Data.add_virt_id_meta_not_found name pure; tok in
P.clt2mcode
(Ast.NonLocal (Parse_aux.str2inc (P.id2name $1)))
(P.drop_bef clt))) }
+| TUndef TLineEnd
+ { let (clt,ident) = $1 in
+ Ast0.wrap
+ (Ast0.Undef
+ (P.clt2mcode "#undef" clt,
+ (match ident with
+ TMetaId((nm,constraints,pure,clt)) ->
+ Ast0.wrap(Ast0.MetaId(P.clt2mcode nm clt,constraints,pure))
+ | TIdent(nm_pure) ->
+ Ast0.wrap(Ast0.Id(P.id2mcode nm_pure))
+ | _ ->
+ raise
+ (Semantic_cocci.Semantic
+ "unexpected name for a #define")))) }
| d=defineop TLineEnd
{ d (Ast0.wrap(Ast0.DOTS([]))) }
| d=defineop t=ctype TLineEnd
/*****************************************************************************/
-/* The following cannot contain <... ...> at the top level. This can only
-be allowed as an expression when the expression is delimited on both sides
-by expression-specific markers. In that case, the rule eexpr is used, which
+/* expr cannot contain <... ...> at the top level. This can only
+be allowed as an expression when the expression is delimited on the left
+by an expression-specific marker. In that case, the rule eexpr is used, which
allows <... ...> anywhere. Hopefully, this will not be too much of a problem
-in practice. */
+in practice.
+dot_expressions is the most permissive. all three kinds of expressions use
+this once an expression_specific token has been seen */
expr: basic_expr(expr,invalid) { $1 }
/* allows ... and nests */
eexpr: basic_expr(eexpr,dot_expressions) { $1 }
cond_expr(r,pe):
arith_expr(r,pe) { $1 }
- | l=arith_expr(r,pe) w=TWhy t=option(eexpr) dd=TDotDot r=cond_expr(r,pe)
+ | l=arith_expr(r,pe) w=TWhy t=option(eexpr) dd=TDotDot r=eexpr/*see parser_c*/
{ Ast0.wrap(Ast0.CondExpr (l, P.clt2mcode "?" w, t,
P.clt2mcode ":" dd, r)) }
arith_expr(r,pe):
cast_expr(r,pe) { $1 }
- | arith_expr(r,pe) TMul arith_expr(r,pe)
+ | arith_expr(r,pe) TMul arith_expr_bis
{ P.arith_op Ast.Mul $1 $2 $3 }
- | arith_expr(r,pe) TDmOp arith_expr(r,pe)
+ | arith_expr(r,pe) TDmOp arith_expr_bis
{ let (op,clt) = $2 in P.arith_op op $1 clt $3 }
- | arith_expr(r,pe) TPlus arith_expr(r,pe)
+ | arith_expr(r,pe) TPlus arith_expr_bis
{ P.arith_op Ast.Plus $1 $2 $3 }
- | arith_expr(r,pe) TMinus arith_expr(r,pe)
+ | arith_expr(r,pe) TMinus arith_expr_bis
{ P.arith_op Ast.Minus $1 $2 $3 }
- | arith_expr(r,pe) TShLOp arith_expr(r,pe)
+ | arith_expr(r,pe) TShLOp arith_expr_bis
{ let (op,clt) = $2 in P.arith_op op $1 clt $3 }
- | arith_expr(r,pe) TShROp arith_expr(r,pe)
+ | arith_expr(r,pe) TShROp arith_expr_bis
{ let (op,clt) = $2 in P.arith_op op $1 clt $3 }
- | arith_expr(r,pe) TLogOp arith_expr(r,pe)
+ | arith_expr(r,pe) TLogOp arith_expr_bis
{ let (op,clt) = $2 in P.logic_op op $1 clt $3 }
- | arith_expr(r,pe) TEqEq arith_expr(r,pe)
+ | arith_expr(r,pe) TEqEq arith_expr_bis
{ P.logic_op Ast.Eq $1 $2 $3 }
- | arith_expr(r,pe) TNotEq arith_expr(r,pe)
+ | arith_expr(r,pe) TNotEq arith_expr_bis
{ P.logic_op Ast.NotEq $1 $2 $3 }
- | arith_expr(r,pe) TAnd arith_expr(r,pe)
+ | arith_expr(r,pe) TAnd arith_expr_bis
{ P.arith_op Ast.And $1 $2 $3 }
- | arith_expr(r,pe) TOr arith_expr(r,pe)
+ | arith_expr(r,pe) TOr arith_expr_bis
{ P.arith_op Ast.Or $1 $2 $3 }
- | arith_expr(r,pe) TXor arith_expr(r,pe)
+ | arith_expr(r,pe) TXor arith_expr_bis
{ P.arith_op Ast.Xor $1 $2 $3 }
- | arith_expr(r,pe) TAndLog arith_expr(r,pe)
+ | arith_expr(r,pe) TAndLog arith_expr_bis
{ P.logic_op Ast.AndLog $1 $2 $3 }
- | arith_expr(r,pe) TOrLog arith_expr(r,pe)
+ | arith_expr(r,pe) TOrLog arith_expr_bis
{ P.logic_op Ast.OrLog $1 $2 $3 }
+// allows dots now that an expression-specific token has been seen
+// need an extra rule because of recursion restrictions
+arith_expr_bis:
+ cast_expr(eexpr,dot_expressions) { $1 }
+ | arith_expr_bis TMul arith_expr_bis
+ { P.arith_op Ast.Mul $1 $2 $3 }
+ | arith_expr_bis TDmOp arith_expr_bis
+ { let (op,clt) = $2 in P.arith_op op $1 clt $3 }
+ | arith_expr_bis TPlus arith_expr_bis
+ { P.arith_op Ast.Plus $1 $2 $3 }
+ | arith_expr_bis TMinus arith_expr_bis
+ { P.arith_op Ast.Minus $1 $2 $3 }
+ | arith_expr_bis TShLOp arith_expr_bis
+ { let (op,clt) = $2 in P.arith_op op $1 clt $3 }
+ | arith_expr_bis TShROp arith_expr_bis
+ { let (op,clt) = $2 in P.arith_op op $1 clt $3 }
+ | arith_expr_bis TLogOp arith_expr_bis
+ { let (op,clt) = $2 in P.logic_op op $1 clt $3 }
+ | arith_expr_bis TEqEq arith_expr_bis
+ { P.logic_op Ast.Eq $1 $2 $3 }
+ | arith_expr_bis TNotEq arith_expr_bis
+ { P.logic_op Ast.NotEq $1 $2 $3 }
+ | arith_expr_bis TAnd arith_expr_bis
+ { P.arith_op Ast.And $1 $2 $3 }
+ | arith_expr_bis TOr arith_expr_bis
+ { P.arith_op Ast.Or $1 $2 $3 }
+ | arith_expr_bis TXor arith_expr_bis
+ { P.arith_op Ast.Xor $1 $2 $3 }
+ | arith_expr_bis TAndLog arith_expr_bis
+ { P.logic_op Ast.AndLog $1 $2 $3 }
+// no OrLog because it is left associative and this is for
+// a right argument, not sure why not the same problem for AndLog
+
cast_expr(r,pe):
unary_expr(r,pe) { $1 }
| lp=TOPar t=ctype rp=TCPar e=cast_expr(r,pe)
unary_expr(r,pe):
postfix_expr(r,pe) { $1 }
- | TInc unary_expr(r,pe)
+ | TInc unary_expr_bis
{ Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Inc $1)) }
- | TDec unary_expr(r,pe)
+ | TDec unary_expr_bis
{ Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Dec $1)) }
| unary_op cast_expr(r,pe)
{ let mcode = $1 in Ast0.wrap(Ast0.Unary($2, mcode)) }
- | TBang unary_expr(r,pe)
+ | TBang unary_expr_bis
+ { let mcode = P.clt2mcode Ast.Not $1 in
+ Ast0.wrap(Ast0.Unary($2, mcode)) }
+ | TSizeof unary_expr_bis
+ { Ast0.wrap(Ast0.SizeOfExpr (P.clt2mcode "sizeof" $1, $2)) }
+ | s=TSizeof lp=TOPar t=ctype rp=TCPar
+ { Ast0.wrap(Ast0.SizeOfType (P.clt2mcode "sizeof" s,
+ P.clt2mcode "(" lp,t,
+ P.clt2mcode ")" rp)) }
+
+// version that allows dots
+unary_expr_bis:
+ postfix_expr(eexpr,dot_expressions) { $1 }
+ | TInc unary_expr_bis
+ { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Inc $1)) }
+ | TDec unary_expr_bis
+ { Ast0.wrap(Ast0.Infix ($2, P.clt2mcode Ast.Dec $1)) }
+ | unary_op cast_expr(eexpr,dot_expressions)
+ { let mcode = $1 in Ast0.wrap(Ast0.Unary($2, mcode)) }
+ | TBang unary_expr_bis
{ let mcode = P.clt2mcode Ast.Not $1 in
Ast0.wrap(Ast0.Unary($2, mcode)) }
- | TSizeof unary_expr(r,pe)
+ | TSizeof unary_expr_bis
{ Ast0.wrap(Ast0.SizeOfExpr (P.clt2mcode "sizeof" $1, $2)) }
| s=TSizeof lp=TOPar t=ctype rp=TCPar
{ Ast0.wrap(Ast0.SizeOfType (P.clt2mcode "sizeof" s,
None -> (i, Ast.IdNoConstraint)
| Some constraint_ -> (i,constraint_))
}
-| TVirtual TDot pure_ident { Common.Right (P.id2name $3) }
+| TVirtual TDot pure_ident
+ {
+ let nm = P.id2name $3 in
+ Iteration.parsed_virtual_identifiers :=
+ Common.union_set [nm]
+ !Iteration.parsed_virtual_identifiers;
+ Common.Right nm
+ }
pure_ident_or_meta_ident_with_idconstraint(constraint_type):
i=pure_ident_or_meta_ident c=option(constraint_type)
(($2, nm), mv) }
| TShLOp TVirtual TDot cocci=pure_ident
{ let nm = P.id2name cocci in
+ Iteration.parsed_virtual_identifiers :=
+ Common.union_set [nm]
+ !Iteration.parsed_virtual_identifiers;
let name = ("virtual", nm) in
let mv = Ast.MetaIdDecl(Ast.NONE,name) in
(name,mv) }
HCoop / bpt / coccinelle.git / blobdiff