X-Git-Url: http://git.hcoop.net/bpt/coccinelle.git/blobdiff_plain/faf9a90c4f9e1e85931cb6b01de660587416eb97..993936c04d73e4c97d0dc0910dbbef5f2c684c15:/parsing_cocci/ast_cocci.mli diff --git a/parsing_cocci/ast_cocci.mli b/parsing_cocci/ast_cocci.mli index cb24dcf..6349d8e 100644 --- a/parsing_cocci/ast_cocci.mli +++ b/parsing_cocci/ast_cocci.mli @@ -1,8 +1,35 @@ +(* + * 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 . + * + * The authors reserve the right to distribute this or future versions of + * Coccinelle under other licenses. + *) + + (* --------------------------------------------------------------------- *) (* Modified code *) +type added_string = Noindent of string | Indent of string | Space of string + type info = { line : int; column : int; - strbef : string list; straft : string list } + strbef : (added_string * int (* line *) * int (* col *)) list; + straft : (added_string * int (* line *) * int (* col *)) list } type line = int type meta_name = string * string type 'a wrap = @@ -10,28 +37,34 @@ type 'a wrap = node_line : line; free_vars : meta_name list; (*free vars*) minus_free_vars : meta_name list; (*minus free vars*) - fresh_vars : meta_name list; (*fresh vars*) + fresh_vars : (meta_name * seed) list; (*fresh vars*) inherited : meta_name list; (*inherited vars*) saved_witness : meta_name list; (*witness vars*) bef_aft : dots_bef_aft; pos_info : meta_name mcode option; (* pos info, try not to duplicate *) true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *) + (* the following is only for declarations *) + safe_for_multi_decls : bool; (* isos relevant to the term; ultimately only used for rule_elems *) iso_info : (string*anything) list } and 'a befaft = - BEFORE of 'a list list - | AFTER of 'a list list - | BEFOREAFTER of 'a list list * 'a list list + BEFORE of 'a list list * count + | AFTER of 'a list list * count + | BEFOREAFTER of 'a list list * 'a list list * count | NOTHING -and 'a mcode = 'a * info * mcodekind * meta_pos (* pos variable *) +and 'a replacement = REPLACEMENT of 'a list list * count | NOREPLACEMENT + +and 'a mcode = 'a * info * mcodekind * meta_pos list (* pos variables *) (* pos is an offset indicating where in the C code the mcodekind has an effect *) +and adjacency = ALLMINUS | ADJ of int and mcodekind = - MINUS of pos * anything list list + MINUS of pos * int list * adjacency * anything replacement | CONTEXT of pos * anything befaft - | PLUS + | PLUS of count + and count = ONE (* + *) | MANY (* ++ *) and fixpos = Real of int (* charpos *) | Virt of int * int (* charpos + offset *) and pos = NoPos | DontCarePos | FixPos of (fixpos * fixpos) @@ -46,8 +79,8 @@ and keep_binding = Type_cocci.keep_binding and multi = bool (*true if a nest is one or more, false if it is zero or more*) and end_info = - meta_name list (*free vars*) * meta_name list (*inherited vars*) * - meta_name list (*witness vars*) * mcodekind + meta_name list (*free vars*) * (meta_name * seed) list (*fresh*) * + meta_name list (*inherited vars*) * mcodekind (* --------------------------------------------------------------------- *) (* Metavariables *) @@ -55,12 +88,15 @@ and end_info = and arity = UNIQUE | OPT | MULTI | NONE and metavar = - MetaIdDecl of arity * meta_name (* name *) - | MetaFreshIdDecl of arity * meta_name (* name *) + MetaMetaDecl of arity * meta_name (* name *) + | MetaIdDecl of arity * meta_name (* name *) + | MetaFreshIdDecl of meta_name (* name *) * seed (* seed *) | MetaTypeDecl of arity * meta_name (* name *) + | MetaInitDecl of arity * meta_name (* name *) + | MetaInitListDecl of arity * meta_name (* name *) * list_len (*len*) | MetaListlenDecl of meta_name (* name *) | MetaParamDecl of arity * meta_name (* name *) - | MetaParamListDecl of arity * meta_name (*name*) * meta_name option (*len*) + | MetaParamListDecl of arity * meta_name (*name*) * list_len (*len*) | MetaConstDecl of arity * meta_name (* name *) * Type_cocci.typeC list option | MetaErrDecl of arity * meta_name (* name *) @@ -70,7 +106,10 @@ and metavar = arity * meta_name (* name *) * Type_cocci.typeC list option | MetaLocalIdExpDecl of arity * meta_name (* name *) * Type_cocci.typeC list option - | MetaExpListDecl of arity * meta_name (*name*) * meta_name option (*len*) + | MetaExpListDecl of arity * meta_name (*name*) * list_len (*len*) + | MetaDeclDecl of arity * meta_name (* name *) + | MetaFieldDecl of arity * meta_name (* name *) + | MetaFieldListDecl of arity * meta_name (* name *) * list_len (*len*) | MetaStmDecl of arity * meta_name (* name *) | MetaStmListDecl of arity * meta_name (* name *) | MetaFuncDecl of arity * meta_name (* name *) @@ -79,6 +118,11 @@ and metavar = | MetaDeclarerDecl of arity * meta_name (* name *) | MetaIteratorDecl of arity * meta_name (* name *) +and list_len = AnyLen | MetaLen of meta_name | CstLen of int + +and seed = NoVal | StringSeed of string | ListSeed of seed_elem list +and seed_elem = SeedString of string | SeedId of meta_name + (* --------------------------------------------------------------------- *) (* --------------------------------------------------------------------- *) (* Dots *) @@ -94,12 +138,12 @@ and 'a dots = 'a base_dots wrap (* Identifier *) and base_ident = - Id of string mcode - - | MetaId of meta_name mcode * ident list * keep_binding * inherited - | MetaFunc of meta_name mcode * ident list * keep_binding * inherited - | MetaLocalFunc of meta_name mcode * ident list * keep_binding * inherited + Id of string mcode + | MetaId of meta_name mcode * idconstraint * keep_binding * inherited + | MetaFunc of meta_name mcode * idconstraint * keep_binding * inherited + | MetaLocalFunc of meta_name mcode * idconstraint * keep_binding * inherited + | DisjId of ident list | OptIdent of ident | UniqueIdent of ident @@ -136,17 +180,20 @@ and base_expression = | Paren of string mcode (* ( *) * expression * string mcode (* ) *) - | MetaErr of meta_name mcode * expression list * keep_binding * + | MetaErr of meta_name mcode * constraints * keep_binding * inherited - | MetaExpr of meta_name mcode * expression list * keep_binding * + | MetaExpr of meta_name mcode * constraints * keep_binding * Type_cocci.typeC list option * form * inherited - | MetaExprList of meta_name mcode * listlen option * + | MetaExprList of meta_name mcode * listlen * keep_binding * inherited (* only in arg lists *) | EComma of string mcode (* only in arg lists *) | DisjExpr of expression list - | NestExpr of expression dots * expression option * multi + | NestExpr of string mcode (* <.../<+... *) * + expression dots * + string mcode (* ...>/...+> *) * + expression option * multi (* can appear in arg lists, and also inside Nest, as in: if(< ... X ... Y ...>) @@ -158,13 +205,32 @@ and base_expression = | OptExp of expression | UniqueExp of expression +and constraints = + NoConstraint + | NotIdCstrt of reconstraint + | NotExpCstrt of expression list + | SubExpCstrt of meta_name list + +(* Constraints on Meta-* Identifiers, Functions *) +and idconstraint = + IdNoConstraint + | IdNegIdSet of string list * meta_name list + | IdRegExpConstraint of reconstraint + +and reconstraint = + | IdRegExp of string * Regexp.regexp + | IdNotRegExp of string * Regexp.regexp + and form = ANY | ID | LocalID | CONST (* form for MetaExp *) and expression = base_expression wrap -and listlen = meta_name mcode * keep_binding * inherited +and listlen = + MetaListLen of meta_name mcode * keep_binding * inherited + | CstListLen of int + | AnyListLen -and unaryOp = GetRef | DeRef | UnPlus | UnMinus | Tilde | Not +and unaryOp = GetRef | GetRefLabel | DeRef | UnPlus | UnMinus | Tilde | Not and assignOp = SimpleAssign | OpAssign of arithOp and fixOp = Dec | Inc @@ -201,7 +267,9 @@ and base_typeC = string mcode (* ) *) | Array of fullType * string mcode (* [ *) * expression option * string mcode (* ] *) - | EnumName of string mcode (*enum*) * ident (* name *) + | EnumName of string mcode (*enum*) * ident option (* name *) + | EnumDef of fullType (* either EnumName or metavar *) * + string mcode (* { *) * expression dots * string mcode (* } *) | StructUnionName of structUnion mcode * ident option (* name *) | StructUnionDef of fullType (* either StructUnionName or metavar *) * string mcode (* { *) * declaration dots * string mcode (* } *) @@ -213,7 +281,7 @@ and fullType = base_fullType wrap and typeC = base_typeC wrap and baseType = VoidType | CharType | ShortType | IntType | DoubleType - | FloatType | LongType | LongLongType + | FloatType | LongType | LongLongType | SizeType | SSizeType | PtrDiffType and structUnion = Struct | Union @@ -238,6 +306,8 @@ and base_declaration = | Ddots of string mcode (* ... *) * declaration option (* whencode *) | MetaDecl of meta_name mcode * keep_binding * inherited + | MetaField of meta_name mcode * keep_binding * inherited + | MetaFieldList of meta_name mcode * listlen * keep_binding * inherited | OptDecl of declaration | UniqueDecl of declaration @@ -248,24 +318,30 @@ and declaration = base_declaration wrap (* Initializers *) and base_initialiser = - InitExpr of expression - | InitList of string mcode (*{*) * initialiser list * string mcode (*}*) * + MetaInit of meta_name mcode * keep_binding * inherited + | MetaInitList of meta_name mcode * listlen * keep_binding * inherited + | InitExpr of expression + | ArInitList of string mcode (*{*) * initialiser dots * string mcode (*}*) + | StrInitList of bool (* true if all are - *) * + string mcode (*{*) * initialiser list * string mcode (*}*) * initialiser list (* whencode: elements that shouldn't appear in init *) - | InitGccDotName of - string mcode (*.*) * ident (* name *) * string mcode (*=*) * + | InitGccExt of + designator list (* name *) * string mcode (*=*) * initialiser (* gccext: *) | InitGccName of ident (* name *) * string mcode (*:*) * initialiser - | InitGccIndex of - string mcode (*[*) * expression * string mcode (*]*) * - string mcode (*=*) * initialiser - | InitGccRange of - string mcode (*[*) * expression * string mcode (*...*) * - expression * string mcode (*]*) * string mcode (*=*) * initialiser | IComma of string mcode (* , *) + | Idots of string mcode (* ... *) * initialiser option (* whencode *) | OptIni of initialiser | UniqueIni of initialiser +and designator = + DesignatorField of string mcode (* . *) * ident + | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *) + | DesignatorRange of + string mcode (* [ *) * expression * string mcode (* ... *) * + expression * string mcode (* ] *) + and initialiser = base_initialiser wrap (* --------------------------------------------------------------------- *) @@ -276,8 +352,7 @@ and base_parameterTypeDef = | Param of fullType * ident option | MetaParam of meta_name mcode * keep_binding * inherited - | MetaParamList of meta_name mcode * listlen option * keep_binding * - inherited + | MetaParamList of meta_name mcode * listlen * keep_binding * inherited | PComma of string mcode @@ -319,7 +394,6 @@ and meta_collect = PER | ALL and meta_pos = MetaPos of meta_name mcode * meta_name list * meta_collect * keep_binding * inherited - | NoMetaPos (* --------------------------------------------------------------------- *) (* Function declaration *) @@ -341,7 +415,7 @@ and base_rule_elem = | SeqStart of string mcode (* { *) | SeqEnd of string mcode (* } *) - | ExprStatement of expression * string mcode (*;*) + | ExprStatement of expression option * string mcode (*;*) | IfHeader of string mcode (* if *) * string mcode (* ( *) * expression * string mcode (* ) *) | Else of string mcode (* else *) @@ -377,6 +451,7 @@ and base_rule_elem = | Ty of fullType (* only at top level *) | TopInit of initialiser (* only at top level *) | Include of string mcode (*#include*) * inc_file mcode (*file *) + | Undef of string mcode (* #define *) * ident (* name *) | DefineHeader of string mcode (* #define *) * ident (* name *) * define_parameters (*params*) | Case of string mcode (* case *) * expression * string mcode (*:*) @@ -395,7 +470,7 @@ and metaStmtInfo = and rule_elem = base_rule_elem wrap and base_statement = - Seq of rule_elem (* { *) * statement dots * + Seq of rule_elem (* { *) * statement dots * rule_elem (* } *) | IfThen of rule_elem (* header *) * statement * end_info | IfThenElse of rule_elem (* header *) * statement * @@ -405,14 +480,15 @@ and base_statement = | For of rule_elem (* header *) * statement * end_info | Iterator of rule_elem (* header *) * statement * end_info (*enditer*) | Switch of rule_elem (* header *) * rule_elem (* { *) * - case_line list * rule_elem (* } *) + statement (*decl*) dots * case_line list * rule_elem(*}*) | Atomic of rule_elem | Disj of statement dots list - | Nest of statement dots * + | Nest of string mcode (* <.../<+... *) * statement dots * + string mcode (* ...>/...+> *) * (statement dots,statement) whencode list * multi * dots_whencode list * dots_whencode list | FunDecl of rule_elem (* header *) * rule_elem (* { *) * - statement dots * statement dots * rule_elem (* } *) + statement dots * rule_elem (* } *) | Define of rule_elem (* header *) * statement dots | Dots of string mcode (* ... *) * (statement dots,statement) whencode list * @@ -461,7 +537,7 @@ and inc_elem = | IncDots and base_top_level = - DECL of statement + NONDECL of statement (* cannot match all of a top-level declaration *) | CODE of statement dots | FILEINFO of string mcode (* old file *) * string mcode (* new file *) | ERRORWORDS of expression list @@ -475,7 +551,12 @@ and rulename = | GeneratedRulename of string option * dependency * string list * string list * exists * bool (* true if the whole thing is an expression *) - | ScriptRulename of string * dependency + | ScriptRulename of string option (* name *) * string (* language *) * + dependency + | InitialScriptRulename of string option (* name *) * string (* language *) * + dependency + | FinalScriptRulename of string option (* name *) * string (* language *) * + dependency and ruletype = Normal | Generated @@ -483,7 +564,16 @@ and rule = CocciRule of string (* name *) * (dependency * string list (* dropped isos *) * exists) * top_level list * bool list (* true if generates an exp *) * ruletype - | ScriptRule of string * dependency * (string * meta_name) list * string + | ScriptRule of string (* name *) * + string * dependency * + (script_meta_name * meta_name * metavar) list * + meta_name list (*script vars*) * string + | InitialScriptRule of string (* name *) * + string * dependency * string + | FinalScriptRule of string (* name *) * + string * dependency * string + +and script_meta_name = string option (*string*) * string option (*ast*) and dependency = Dep of string (* rule applies for the current binding *) @@ -492,7 +582,7 @@ and dependency = | NeverDep of string (* rule never applies for any binding *) | AndDep of dependency * dependency | OrDep of dependency * dependency - | NoDep + | NoDep | FailDep and rule_with_metavars = metavar list * rule @@ -519,6 +609,7 @@ and anything = | CaseLineTag of case_line | ConstVolTag of const_vol | Token of string * info option + | Pragma of added_string list | Code of top_level | ExprDotsTag of expression dots | ParamDotsTag of parameterTypeDef dots @@ -531,7 +622,7 @@ and anything = (* --------------------------------------------------------------------- *) -and exists = Exists | Forall | ReverseForall | Undetermined +and exists = Exists | Forall | Undetermined (* --------------------------------------------------------------------- *) @@ -539,6 +630,8 @@ val mkToken : string -> anything val undots : 'a dots -> 'a list +val lub_count : count -> count -> count + (* --------------------------------------------------------------------- *) val rewrap : 'a wrap -> 'b -> 'b wrap @@ -548,12 +641,13 @@ val unwrap_mcode : 'a mcode -> 'a val get_mcodekind : 'a mcode -> mcodekind val get_line : 'a wrap -> line val get_mcode_line : 'a mcode -> line +val get_mcode_col : 'a mcode -> int val get_fvs : 'a wrap -> meta_name list val get_wcfvs : ('a wrap,'b wrap) whencode list -> meta_name list val set_fvs : meta_name list -> 'a wrap -> 'a wrap val get_mfvs : 'a wrap -> meta_name list val set_mfvs : meta_name list -> 'a wrap -> 'a wrap -val get_fresh : 'a wrap -> meta_name list +val get_fresh : 'a wrap -> (meta_name * seed) list val get_inherited : 'a wrap -> meta_name list val get_saved : 'a wrap -> meta_name list val get_dots_bef_aft : statement -> dots_bef_aft @@ -562,24 +656,27 @@ val get_pos : 'a wrap -> meta_name mcode option val set_pos : 'a wrap -> meta_name mcode option -> 'a wrap val get_test_exp : 'a wrap -> bool val set_test_exp : expression -> expression +val get_safe_decl : 'a wrap -> bool val get_isos : 'a wrap -> (string*anything) list val set_isos : 'a wrap -> (string*anything) list -> 'a wrap -val get_pos_var : 'a mcode -> meta_pos -val set_pos_var : meta_pos -> 'a mcode -> 'a mcode +val get_pos_var : 'a mcode -> meta_pos list +val set_pos_var : meta_pos list -> 'a mcode -> 'a mcode val drop_pos : 'a mcode -> 'a mcode val get_meta_name : metavar -> meta_name +val tag2c : anything -> string + val no_info : info val make_meta_rule_elem : string -> mcodekind -> - (meta_name list * meta_name list * meta_name list) -> + (meta_name list * (meta_name * seed) list * meta_name list) -> rule_elem val make_meta_decl : string -> mcodekind -> - (meta_name list * meta_name list * meta_name list) -> + (meta_name list * (meta_name * seed) list * meta_name list) -> declaration val make_term : 'a -> 'a wrap