module Ast = Ast_cocci
+module TC = Type_cocci
(* --------------------------------------------------------------------- *)
(* Modified code *)
info : info;
index : int ref;
mcodekind : mcodekind ref;
- exp_ty : Type_cocci.typeC option ref; (* only for expressions *)
+ exp_ty : TC.typeC option ref; (* only for expressions *)
bef_aft : dots_bef_aft; (* only for statements *)
true_if_arg : bool; (* true if "arg_exp", only for exprs *)
true_if_test : bool; (* true if "test position", only for exprs *)
| TypeExp of typeC (* type name used as an expression, only in args *)
| MetaErr of Ast.meta_name mcode * constraints * pure
| MetaExpr of Ast.meta_name mcode * constraints *
- Type_cocci.typeC list option * Ast.form * pure
+ TC.typeC list option * Ast.form * pure
| MetaExprList of Ast.meta_name mcode (* only in arg lists *) *
listlen * pure
| EComma of string mcode (* only in arg lists *)
string mcode (* ) *)
| Array of typeC * string mcode (* [ *) *
expression option * string mcode (* ] *)
- | EnumName of string mcode (*enum*) * ident (* name *)
+ | EnumName of string mcode (*enum*) * ident option (* name *)
+ | EnumDef of typeC (* either StructUnionName or metavar *) *
+ string mcode (* { *) * expression dots * string mcode (* } *)
| StructUnionName of Ast.structUnion mcode * ident option (* name *)
| StructUnionDef of typeC (* either StructUnionName or metavar *) *
string mcode (* { *) * declaration dots * string mcode (* } *)
split out into multiple declarations of a single variable each. *)
and base_declaration =
- Init of Ast.storage mcode option * typeC * ident * string mcode (*=*) *
+ MetaDecl of Ast.meta_name mcode * pure (* variables *)
+ (* the following are kept separate from MetaDecls because ultimately
+ they don't match the same thin at all. Consider whether there
+ should be a separate type for fields, as in the C AST *)
+ | MetaField of Ast.meta_name mcode * pure (* structure fields *)
+ | Init of Ast.storage mcode option * typeC * ident * string mcode (*=*) *
initialiser * string mcode (*;*)
| UnInit of Ast.storage mcode option * typeC * ident * string mcode (* ; *)
| TyDecl of typeC * string mcode (* ; *)
and base_initialiser =
MetaInit of Ast.meta_name mcode * pure
| InitExpr of expression
- | InitList of string mcode (*{*) * initialiser_list * string mcode (*}*)
+ | InitList of string mcode (*{*) * initialiser_list * string mcode (*}*) *
+ (* true if ordered, as for array, false if unordered, as for struct *)
+ bool
| InitGccExt of
designator list (* name *) * string mcode (*=*) *
initialiser (* gccext: *)
string mcode (* { *) * statement dots *
string mcode (* } *)
| Include of string mcode (* #include *) * Ast.inc_file mcode (* file *)
+ | Undef of string mcode (* #define *) * ident (* name *)
| Define of string mcode (* #define *) * ident (* name *) *
define_parameters (*params*) * statement dots
| OptStm of statement
| ScriptRule of string (* name *) *
string * Ast.dependency *
(Ast.script_meta_name * Ast.meta_name * Ast.metavar) list *
+ Ast.meta_name list (*script vars*) *
string
| InitialScriptRule of string (* name *) *string * Ast.dependency * string
| FinalScriptRule of string (* name *) *string * Ast.dependency * string
MIXED(ref (Ast.NOTHING,default_token_info,default_token_info))
let context_befaft _ =
CONTEXT(ref (Ast.NOTHING,default_token_info,default_token_info))
+let minus_befaft _ = MINUS(ref ([],default_token_info))
let wrap x =
{ node = x;
let rec ast0_type_to_type ty =
match unwrap ty with
- ConstVol(cv,ty) -> Type_cocci.ConstVol(const_vol cv,ast0_type_to_type ty)
+ ConstVol(cv,ty) -> TC.ConstVol(const_vol cv,ast0_type_to_type ty)
| BaseType(bty,strings) ->
- Type_cocci.BaseType(baseType bty)
+ TC.BaseType(baseType bty)
| Signed(sgn,None) ->
- Type_cocci.SignedT(sign sgn,None)
+ TC.SignedT(sign sgn,None)
| Signed(sgn,Some ty) ->
let bty = ast0_type_to_type ty in
- Type_cocci.SignedT(sign sgn,Some bty)
- | Pointer(ty,_) -> Type_cocci.Pointer(ast0_type_to_type ty)
+ TC.SignedT(sign sgn,Some bty)
+ | Pointer(ty,_) -> TC.Pointer(ast0_type_to_type ty)
| FunctionPointer(ty,_,_,_,_,params,_) ->
- Type_cocci.FunctionPointer(ast0_type_to_type ty)
+ TC.FunctionPointer(ast0_type_to_type ty)
| FunctionType _ -> failwith "not supported"
- | Array(ety,_,_,_) -> Type_cocci.Array(ast0_type_to_type ety)
- | EnumName(su,tag) ->
+ | Array(ety,_,_,_) -> TC.Array(ast0_type_to_type ety)
+ | EnumName(su,Some tag) ->
(match unwrap tag with
Id(tag) ->
- Type_cocci.EnumName(false,unwrap_mcode tag)
+ TC.EnumName(TC.Name(unwrap_mcode tag))
| MetaId(tag,_,_) ->
(Printf.printf
"warning: enum with a metavariable name detected.\n";
Printf.printf
"For type checking assuming the name of the metavariable is the name of the type\n";
- let (rule,tag) = unwrap_mcode tag in
- Type_cocci.EnumName(true,rule^tag))
+ TC.EnumName(TC.MV(unwrap_mcode tag,TC.Unitary,false)))
| _ -> failwith "unexpected enum type name")
+ | EnumName(su,None) -> failwith "nameless enum - what to do???"
+ | EnumDef(ty,_,_,_) -> ast0_type_to_type ty
| StructUnionName(su,Some tag) ->
(match unwrap tag with
Id(tag) ->
- Type_cocci.StructUnionName(structUnion su,false,unwrap_mcode tag)
- | MetaId(tag,_,_) ->
+ TC.StructUnionName(structUnion su,TC.Name(unwrap_mcode tag))
+ | MetaId(tag,Ast.IdNoConstraint,_) ->
(Common.pr2
"warning: struct/union with a metavariable name detected.\n";
Common.pr2
"For type checking assuming the name of the metavariable is the name of the type\n";
- let (rule,tag) = unwrap_mcode tag in
- Type_cocci.StructUnionName(structUnion su,true,rule^tag))
+ TC.StructUnionName(structUnion su,
+ TC.MV(unwrap_mcode tag,TC.Unitary,false)))
+ | MetaId(tag,_,_) ->
+ (* would have to duplicate the type in type_cocci.ml?
+ perhaps polymorphism would help? *)
+ failwith "constraints not supported on struct type name"
| _ -> failwith "unexpected struct/union type name")
| StructUnionName(su,None) -> failwith "nameless structure - what to do???"
| StructUnionDef(ty,_,_,_) -> ast0_type_to_type ty
- | TypeName(name) -> Type_cocci.TypeName(unwrap_mcode name)
+ | TypeName(name) -> TC.TypeName(unwrap_mcode name)
| MetaType(name,_) ->
- Type_cocci.MetaType(unwrap_mcode name,Type_cocci.Unitary,false)
+ TC.MetaType(unwrap_mcode name,TC.Unitary,false)
| DisjType(_,types,_,_) ->
Common.pr2_once
"disjtype not supported in smpl type inference, assuming unknown";
- Type_cocci.Unknown
+ TC.Unknown
| OptType(ty) | UniqueType(ty) ->
ast0_type_to_type ty
and baseType = function
- Ast.VoidType -> Type_cocci.VoidType
- | Ast.CharType -> Type_cocci.CharType
- | Ast.ShortType -> Type_cocci.ShortType
- | Ast.IntType -> Type_cocci.IntType
- | Ast.DoubleType -> Type_cocci.DoubleType
- | Ast.FloatType -> Type_cocci.FloatType
- | Ast.LongType -> Type_cocci.LongType
- | Ast.LongLongType -> Type_cocci.LongLongType
+ Ast.VoidType -> TC.VoidType
+ | Ast.CharType -> TC.CharType
+ | Ast.ShortType -> TC.ShortType
+ | Ast.IntType -> TC.IntType
+ | Ast.DoubleType -> TC.DoubleType
+ | Ast.FloatType -> TC.FloatType
+ | Ast.LongType -> TC.LongType
+ | Ast.LongLongType -> TC.LongLongType
+ | Ast.SizeType -> TC.SizeType
+ | Ast.SSizeType -> TC.SSizeType
+ | Ast.PtrDiffType -> TC.PtrDiffType
and structUnion t =
match unwrap_mcode t with
- Ast.Struct -> Type_cocci.Struct
- | Ast.Union -> Type_cocci.Union
+ Ast.Struct -> TC.Struct
+ | Ast.Union -> TC.Union
and sign t =
match unwrap_mcode t with
- Ast.Signed -> Type_cocci.Signed
- | Ast.Unsigned -> Type_cocci.Unsigned
+ Ast.Signed -> TC.Signed
+ | Ast.Unsigned -> TC.Unsigned
and const_vol t =
match unwrap_mcode t with
- Ast.Const -> Type_cocci.Const
- | Ast.Volatile -> Type_cocci.Volatile
+ Ast.Const -> TC.Const
+ | Ast.Volatile -> TC.Volatile
(* --------------------------------------------------------------------- *)
(* this function is a rather minimal attempt. the problem is that information
perhaps it doesn't matter *)
and make_mcode x = (x,NONE,default_info(),context_befaft(),ref NoMetaPos,-1)
let make_mcode_info x info = (x,NONE,info,context_befaft(),ref NoMetaPos,-1)
+and make_minus_mcode x =
+ (x,NONE,default_info(),minus_befaft(),ref NoMetaPos,-1)
exception TyConv
let rec reverse_type ty =
match ty with
- Type_cocci.ConstVol(cv,ty) ->
+ TC.ConstVol(cv,ty) ->
ConstVol(reverse_const_vol cv,context_wrap(reverse_type ty))
- | Type_cocci.BaseType(bty) ->
+ | TC.BaseType(bty) ->
BaseType(reverse_baseType bty,[(* not used *)])
- | Type_cocci.SignedT(sgn,None) -> Signed(reverse_sign sgn,None)
- | Type_cocci.SignedT(sgn,Some bty) ->
+ | TC.SignedT(sgn,None) -> Signed(reverse_sign sgn,None)
+ | TC.SignedT(sgn,Some bty) ->
Signed(reverse_sign sgn,Some (context_wrap(reverse_type ty)))
- | Type_cocci.Pointer(ty) ->
+ | TC.Pointer(ty) ->
Pointer(context_wrap(reverse_type ty),make_mcode "*")
- | Type_cocci.EnumName(mv,tag) ->
- if mv
- then
- (* not right... *)
- let rule = "" in
- EnumName
- (make_mcode "enum",
- context_wrap(MetaId(make_mcode (rule,tag),Ast.IdNoConstraint,
- Impure)))
- else
- EnumName(make_mcode "enum",context_wrap(Id(make_mcode tag)))
- | Type_cocci.StructUnionName(su,mv,tag) ->
- if mv
- then
- (* not right... *)
- let rule = "" in
- StructUnionName
- (reverse_structUnion su,
- Some(context_wrap(MetaId(make_mcode (rule,tag),Ast.IdNoConstraint,
- Impure))))
- else
- StructUnionName
- (reverse_structUnion su,
- Some (context_wrap(Id(make_mcode tag))))
- | Type_cocci.TypeName(name) -> TypeName(make_mcode name)
- | Type_cocci.MetaType(name,_,_) ->
+ | TC.EnumName(TC.MV(name,_,_)) ->
+ EnumName
+ (make_mcode "enum",
+ Some (context_wrap(MetaId(make_mcode name,Ast.IdNoConstraint,
+ Impure))))
+ | TC.EnumName(TC.Name tag) ->
+ EnumName(make_mcode "enum",Some(context_wrap(Id(make_mcode tag))))
+ | TC.StructUnionName(su,TC.MV(name,_,_)) ->
+ (* not right?... *)
+ StructUnionName
+ (reverse_structUnion su,
+ Some(context_wrap(MetaId(make_mcode name,Ast.IdNoConstraint,
+ Impure(*not really right*)))))
+ | TC.StructUnionName(su,TC.Name tag) ->
+ StructUnionName
+ (reverse_structUnion su,
+ Some (context_wrap(Id(make_mcode tag))))
+ | TC.TypeName(name) -> TypeName(make_mcode name)
+ | TC.MetaType(name,_,_) ->
MetaType(make_mcode name,Impure(*not really right*))
| _ -> raise TyConv
and reverse_baseType = function
- Type_cocci.VoidType -> Ast.VoidType
- | Type_cocci.CharType -> Ast.CharType
- | Type_cocci.BoolType -> Ast.IntType
- | Type_cocci.ShortType -> Ast.ShortType
- | Type_cocci.IntType -> Ast.IntType
- | Type_cocci.DoubleType -> Ast.DoubleType
- | Type_cocci.FloatType -> Ast.FloatType
- | Type_cocci.LongType -> Ast.LongType
- | Type_cocci.LongLongType -> Ast.LongLongType
+ TC.VoidType -> Ast.VoidType
+ | TC.CharType -> Ast.CharType
+ | TC.BoolType -> Ast.IntType
+ | TC.ShortType -> Ast.ShortType
+ | TC.IntType -> Ast.IntType
+ | TC.DoubleType -> Ast.DoubleType
+ | TC.FloatType -> Ast.FloatType
+ | TC.LongType -> Ast.LongType
+ | TC.LongLongType -> Ast.LongLongType
+ | TC.SizeType -> Ast.SizeType
+ | TC.SSizeType -> Ast.SSizeType
+ | TC.PtrDiffType -> Ast.PtrDiffType
+
and reverse_structUnion t =
make_mcode
(match t with
- Type_cocci.Struct -> Ast.Struct
- | Type_cocci.Union -> Ast.Union)
+ TC.Struct -> Ast.Struct
+ | TC.Union -> Ast.Union)
and reverse_sign t =
make_mcode
(match t with
- Type_cocci.Signed -> Ast.Signed
- | Type_cocci.Unsigned -> Ast.Unsigned)
+ TC.Signed -> Ast.Signed
+ | TC.Unsigned -> Ast.Unsigned)
and reverse_const_vol t =
make_mcode
(match t with
- Type_cocci.Const -> Ast.Const
- | Type_cocci.Volatile -> Ast.Volatile)
+ TC.Const -> Ast.Const
+ | TC.Volatile -> Ast.Volatile)
(* --------------------------------------------------------------------- *)