parsing_cocci/ast_cocci.mli

   1 (*
   2  * Copyright 2005-2009, Ecole des Mines de Nantes, University of Copenhagen
   3  * Yoann Padioleau, Julia Lawall, Rene Rydhof Hansen, Henrik Stuart, Gilles Muller, Nicolas Palix
   4  * This file is part of Coccinelle.
   5  *
   6  * Coccinelle is free software: you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation, according to version 2 of the License.
   9  *
  10  * Coccinelle is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with Coccinelle.  If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  * The authors reserve the right to distribute this or future versions of
  19  * Coccinelle under other licenses.
  20  *)
  21
  22
  23 (* Constraints on Meta-* Identifiers, Functions *)
  24 type idconstraint =
  25     IdNoConstraint
  26   | IdNegIdSet      of string list
  27   | IdRegExp        of string * Str.regexp
  28   | IdNotRegExp     of string * Str.regexp
  29
  30 (* --------------------------------------------------------------------- *)
  31 (* Modified code *)
  32
  33 type info = { line : int; column : int;
  34               strbef : (string * int (* line *) * int (* col *)) list;
  35               straft : (string * int (* line *) * int (* col *)) list }
  36 type line = int
  37 type meta_name = string * string
  38 type 'a wrap =
  39     {node : 'a;
  40       node_line : line;
  41       free_vars : meta_name list; (*free vars*)
  42       minus_free_vars : meta_name list; (*minus free vars*)
  43       fresh_vars : (meta_name * seed) list; (*fresh vars*)
  44       inherited : meta_name list; (*inherited vars*)
  45       saved_witness : meta_name list; (*witness vars*)
  46       bef_aft : dots_bef_aft;
  47       pos_info : meta_name mcode option; (* pos info, try not to duplicate *)
  48       true_if_test_exp : bool;(* true if "test_exp from iso", only for exprs *)
  49       (* isos relevant to the term; ultimately only used for rule_elems *)
  50       iso_info : (string*anything) list }
  51
  52 and 'a befaft =
  53     BEFORE      of 'a list list * count
  54   | AFTER       of 'a list list * count
  55   | BEFOREAFTER of 'a list list * 'a list list * count
  56   | NOTHING
  57
  58 and 'a mcode = 'a * info * mcodekind * meta_pos (* pos variable *)
  59  (* pos is an offset indicating where in the C code the mcodekind has an
  60  effect *)
  61  and mcodekind =
  62     MINUS       of pos * int list * int * anything list list
  63   | CONTEXT     of pos * anything befaft
  64   | PLUS        of count
  65  and count = ONE (* + *) | MANY (* ++ *)
  66  and fixpos =
  67     Real of int (* charpos *) | Virt of int * int (* charpos + offset *)
  68  and pos = NoPos | DontCarePos | FixPos of (fixpos * fixpos)
  69
  70 and dots_bef_aft =
  71     NoDots
  72   | AddingBetweenDots of statement * int (*index of let var*)
  73   | DroppingBetweenDots of statement * int (*index of let var*)
  74
  75 and inherited = Type_cocci.inherited
  76 and keep_binding = Type_cocci.keep_binding
  77 and multi = bool (*true if a nest is one or more, false if it is zero or more*)
  78
  79 and end_info =
  80     meta_name list (*free vars*) * (meta_name * seed) list (*fresh*) *
  81       meta_name list (*inherited vars*) * mcodekind
  82
  83 (* --------------------------------------------------------------------- *)
  84 (* Metavariables *)
  85
  86 and arity = UNIQUE | OPT | MULTI | NONE
  87
  88 and metavar =
  89     MetaIdDecl of arity * meta_name (* name *)
  90   | MetaFreshIdDecl of meta_name (* name *) * seed (* seed *)
  91   | MetaTypeDecl of arity * meta_name (* name *)
  92   | MetaInitDecl of arity * meta_name (* name *)
  93   | MetaListlenDecl of meta_name (* name *)
  94   | MetaParamDecl of arity * meta_name (* name *)
  95   | MetaParamListDecl of arity * meta_name (*name*) * meta_name option (*len*)
  96   | MetaConstDecl of
  97       arity * meta_name (* name *) * Type_cocci.typeC list option
  98   | MetaErrDecl of arity * meta_name (* name *)
  99   | MetaExpDecl of
 100       arity * meta_name (* name *) * Type_cocci.typeC list option
 101   | MetaIdExpDecl of
 102       arity * meta_name (* name *) * Type_cocci.typeC list option
 103   | MetaLocalIdExpDecl of
 104       arity * meta_name (* name *) * Type_cocci.typeC list option
 105   | MetaExpListDecl of arity * meta_name (*name*) * meta_name option (*len*)
 106   | MetaStmDecl of arity * meta_name (* name *)
 107   | MetaStmListDecl of arity * meta_name (* name *)
 108   | MetaFuncDecl of arity * meta_name (* name *)
 109   | MetaLocalFuncDecl of arity * meta_name (* name *)
 110   | MetaPosDecl of arity * meta_name (* name *)
 111   | MetaDeclarerDecl of arity * meta_name (* name *)
 112   | MetaIteratorDecl of arity * meta_name (* name *)
 113
 114 and seed = NoVal | StringSeed of string | ListSeed of seed_elem list
 115 and seed_elem = SeedString of string | SeedId of meta_name
 116
 117 (* --------------------------------------------------------------------- *)
 118 (* --------------------------------------------------------------------- *)
 119 (* Dots *)
 120
 121 and 'a base_dots =
 122     DOTS of 'a list
 123   | CIRCLES of 'a list
 124   | STARS of 'a list
 125
 126 and 'a dots = 'a base_dots wrap
 127
 128 (* --------------------------------------------------------------------- *)
 129 (* Identifier *)
 130
 131 and base_ident =
 132     Id            of string mcode
 133   | MetaId        of meta_name mcode * idconstraint * keep_binding * inherited
 134   | MetaFunc      of meta_name mcode * idconstraint * keep_binding * inherited
 135   | MetaLocalFunc of meta_name mcode * idconstraint * keep_binding * inherited
 136
 137   | OptIdent      of ident
 138   | UniqueIdent   of ident
 139
 140 and ident = base_ident wrap
 141
 142 (* --------------------------------------------------------------------- *)
 143 (* Expression *)
 144
 145 and base_expression =
 146     Ident          of ident
 147   | Constant       of constant mcode
 148   | FunCall        of expression * string mcode (* ( *) *
 149                       expression dots * string mcode (* ) *)
 150   | Assignment     of expression * assignOp mcode * expression * bool
 151   | CondExpr       of expression * string mcode (* ? *) * expression option *
 152                       string mcode (* : *) * expression
 153   | Postfix        of expression * fixOp mcode
 154   | Infix          of expression * fixOp mcode
 155   | Unary          of expression * unaryOp mcode
 156   | Binary         of expression * binaryOp mcode * expression
 157   | Nested         of expression * binaryOp mcode * expression
 158   | ArrayAccess    of expression * string mcode (* [ *) * expression *
 159                       string mcode (* ] *)
 160   | RecordAccess   of expression * string mcode (* . *) * ident
 161   | RecordPtAccess of expression * string mcode (* -> *) * ident
 162   | Cast           of string mcode (* ( *) * fullType * string mcode (* ) *) *
 163                       expression
 164
 165   | SizeOfExpr     of string mcode (* sizeof *) * expression
 166   | SizeOfType     of string mcode (* sizeof *) * string mcode (* ( *) *
 167                       fullType * string mcode (* ) *)
 168   | TypeExp        of fullType
 169
 170   | Paren          of string mcode (* ( *) * expression *
 171                       string mcode (* ) *)
 172
 173   | MetaErr        of meta_name mcode * constraints * keep_binding *
 174                       inherited
 175   | MetaExpr       of meta_name mcode * constraints * keep_binding *
 176                       Type_cocci.typeC list option * form * inherited
 177   | MetaExprList   of meta_name mcode * listlen option *
 178                       keep_binding * inherited (* only in arg lists *)
 179
 180   | EComma         of string mcode (* only in arg lists *)
 181
 182   | DisjExpr       of expression list
 183   | NestExpr       of expression dots * expression option * multi
 184
 185   (* can appear in arg lists, and also inside Nest, as in:
 186    if(< ... X ... Y ...>)
 187    In the following, the expression option is the WHEN  *)
 188   | Edots          of string mcode (* ... *) * expression option
 189   | Ecircles       of string mcode (* ooo *) * expression option
 190   | Estars         of string mcode (* *** *) * expression option
 191
 192   | OptExp         of expression
 193   | UniqueExp      of expression
 194
 195 and constraints =
 196     NoConstraint
 197   | NotIdCstrt     of idconstraint
 198   | NotExpCstrt    of expression list
 199
 200 and form = ANY | ID | LocalID | CONST (* form for MetaExp *)
 201
 202 and expression = base_expression wrap
 203
 204 and listlen = meta_name mcode * keep_binding * inherited
 205
 206 and  unaryOp = GetRef | DeRef | UnPlus |  UnMinus | Tilde | Not
 207 and  assignOp = SimpleAssign | OpAssign of arithOp
 208 and  fixOp = Dec | Inc
 209
 210 and  binaryOp = Arith of arithOp | Logical of logicalOp
 211 and  arithOp =
 212     Plus | Minus | Mul | Div | Mod | DecLeft | DecRight | And | Or | Xor
 213 and  logicalOp = Inf | Sup | InfEq | SupEq | Eq | NotEq | AndLog | OrLog
 214
 215 and constant =
 216     String of string
 217   | Char   of string
 218   | Int    of string
 219   | Float  of string
 220
 221 (* --------------------------------------------------------------------- *)
 222 (* Types *)
 223
 224 and base_fullType =
 225     Type            of const_vol mcode option * typeC
 226   | DisjType        of fullType list (* only after iso *)
 227   | OptType         of fullType
 228   | UniqueType      of fullType
 229
 230 and base_typeC =
 231     BaseType        of baseType * string mcode list (* Yoann style *)
 232   | SignedT         of sign mcode * typeC option
 233   | Pointer         of fullType * string mcode (* * *)
 234   | FunctionPointer of fullType *
 235                   string mcode(* ( *)*string mcode(* * *)*string mcode(* ) *)*
 236                   string mcode (* ( *)*parameter_list*string mcode(* ) *)
 237   | FunctionType     of bool (* true if all minus for dropping return type *) *
 238                    fullType option *
 239                    string mcode (* ( *) * parameter_list *
 240                    string mcode (* ) *)
 241   | Array           of fullType * string mcode (* [ *) *
 242                        expression option * string mcode (* ] *)
 243   | EnumName        of string mcode (*enum*) * ident (* name *)
 244   | StructUnionName of structUnion mcode * ident option (* name *)
 245   | StructUnionDef  of fullType (* either StructUnionName or metavar *) *
 246         string mcode (* { *) * declaration dots * string mcode (* } *)
 247   | TypeName        of string mcode
 248
 249   | MetaType        of meta_name mcode * keep_binding * inherited
 250
 251 and fullType = base_fullType wrap
 252 and typeC = base_typeC wrap
 253
 254 and baseType = VoidType | CharType | ShortType | IntType | DoubleType
 255   | FloatType | LongType | LongLongType
 256
 257 and structUnion = Struct | Union
 258
 259 and sign = Signed | Unsigned
 260
 261 and const_vol = Const | Volatile
 262
 263 (* --------------------------------------------------------------------- *)
 264 (* Variable declaration *)
 265 (* Even if the Cocci program specifies a list of declarations, they are
 266    split out into multiple declarations of a single variable each. *)
 267
 268 and base_declaration =
 269     Init of storage mcode option * fullType * ident * string mcode (*=*) *
 270         initialiser * string mcode (*;*)
 271   | UnInit of storage mcode option * fullType * ident * string mcode (* ; *)
 272   | TyDecl of fullType * string mcode (* ; *)
 273   | MacroDecl of ident (* name *) * string mcode (* ( *) *
 274         expression dots * string mcode (* ) *) * string mcode (* ; *)
 275   | Typedef of string mcode (*typedef*) * fullType * typeC * string mcode (*;*)
 276   | DisjDecl   of declaration list
 277   | Ddots    of string mcode (* ... *) * declaration option (* whencode *)
 278
 279   | MetaDecl of meta_name mcode * keep_binding * inherited
 280
 281   | OptDecl    of declaration
 282   | UniqueDecl of declaration
 283
 284 and declaration = base_declaration wrap
 285
 286 (* --------------------------------------------------------------------- *)
 287 (* Initializers *)
 288
 289 and base_initialiser =
 290     MetaInit of meta_name mcode * keep_binding * inherited
 291   | InitExpr of expression
 292   | InitList of string mcode (*{*) * initialiser list * string mcode (*}*) *
 293         initialiser list (* whencode: elements that shouldn't appear in init *)
 294   | InitGccExt of
 295       designator list (* name *) * string mcode (*=*) *
 296         initialiser (* gccext: *)
 297   | InitGccName of ident (* name *) * string mcode (*:*) *
 298         initialiser
 299   | IComma of string mcode (* , *)
 300   | OptIni    of initialiser
 301   | UniqueIni of initialiser
 302
 303 and designator =
 304     DesignatorField of string mcode (* . *) * ident
 305   | DesignatorIndex of string mcode (* [ *) * expression * string mcode (* ] *)
 306   | DesignatorRange of
 307       string mcode (* [ *) * expression * string mcode (* ... *) *
 308       expression * string mcode (* ] *)
 309
 310 and initialiser = base_initialiser wrap
 311
 312 (* --------------------------------------------------------------------- *)
 313 (* Parameter *)
 314
 315 and base_parameterTypeDef =
 316     VoidParam     of fullType
 317   | Param         of fullType * ident option
 318
 319   | MetaParam     of meta_name mcode * keep_binding * inherited
 320   | MetaParamList of meta_name mcode * listlen option * keep_binding *
 321                      inherited
 322
 323   | PComma        of string mcode
 324
 325   | Pdots         of string mcode (* ... *)
 326   | Pcircles      of string mcode (* ooo *)
 327
 328   | OptParam      of parameterTypeDef
 329   | UniqueParam   of parameterTypeDef
 330
 331 and parameterTypeDef = base_parameterTypeDef wrap
 332
 333 and parameter_list = parameterTypeDef dots
 334
 335 (* --------------------------------------------------------------------- *)
 336 (* #define Parameters *)
 337
 338 and base_define_param =
 339     DParam        of ident
 340   | DPComma       of string mcode
 341   | DPdots        of string mcode (* ... *)
 342   | DPcircles     of string mcode (* ooo *)
 343   | OptDParam     of define_param
 344   | UniqueDParam  of define_param
 345
 346 and define_param = base_define_param wrap
 347
 348 and base_define_parameters =
 349     NoParams
 350   | DParams      of string mcode(*( *) * define_param dots * string mcode(* )*)
 351
 352 and define_parameters = base_define_parameters wrap
 353
 354 (* --------------------------------------------------------------------- *)
 355 (* positions *)
 356
 357 (* PER = keep bindings separate, ANY = collect them *)
 358 and meta_collect = PER | ALL
 359
 360 and meta_pos =
 361     MetaPos of meta_name mcode * meta_name list *
 362         meta_collect * keep_binding * inherited
 363   | NoMetaPos
 364
 365 (* --------------------------------------------------------------------- *)
 366 (* Function declaration *)
 367
 368 and storage = Static | Auto | Register | Extern
 369
 370 (* --------------------------------------------------------------------- *)
 371 (* Top-level code *)
 372
 373 and base_rule_elem =
 374     FunHeader     of mcodekind (* before the function header *) *
 375                      bool (* true if all minus, for dropping static, etc *) *
 376                      fninfo list * ident (* name *) *
 377                      string mcode (* ( *) * parameter_list *
 378                      string mcode (* ) *)
 379   | Decl          of mcodekind (* before the decl *) *
 380                      bool (* true if all minus *) * declaration
 381
 382   | SeqStart      of string mcode (* { *)
 383   | SeqEnd        of string mcode (* } *)
 384
 385   | ExprStatement of expression * string mcode (*;*)
 386   | IfHeader      of string mcode (* if *) * string mcode (* ( *) *
 387                      expression * string mcode (* ) *)
 388   | Else          of string mcode (* else *)
 389   | WhileHeader   of string mcode (* while *) * string mcode (* ( *) *
 390                      expression * string mcode (* ) *)
 391   | DoHeader      of string mcode (* do *)
 392   | WhileTail     of string mcode (* while *) * string mcode (* ( *) *
 393                      expression * string mcode (* ) *) *
 394                      string mcode (* ; *)
 395   | ForHeader     of string mcode (* for *) * string mcode (* ( *) *
 396                      expression option * string mcode (*;*) *
 397                      expression option * string mcode (*;*) *
 398                      expression option * string mcode (* ) *)
 399   | IteratorHeader of ident (* name *) * string mcode (* ( *) *
 400                      expression dots * string mcode (* ) *)
 401   | SwitchHeader  of string mcode (* switch *) * string mcode (* ( *) *
 402                      expression * string mcode (* ) *)
 403   | Break         of string mcode (* break *) * string mcode (* ; *)
 404   | Continue      of string mcode (* continue *) * string mcode (* ; *)
 405   | Label         of ident * string mcode (* : *)
 406   | Goto          of string mcode (* goto *) * ident * string mcode (* ; *)
 407   | Return        of string mcode (* return *) * string mcode (* ; *)
 408   | ReturnExpr    of string mcode (* return *) * expression *
 409                      string mcode (* ; *)
 410
 411   | MetaRuleElem  of meta_name mcode * keep_binding * inherited
 412   | MetaStmt      of meta_name mcode * keep_binding * metaStmtInfo *
 413                      inherited
 414   | MetaStmtList  of meta_name mcode * keep_binding * inherited
 415
 416   | Exp           of expression
 417   | TopExp        of expression (* for macros body *)
 418   | Ty            of fullType (* only at top level *)
 419   | TopInit       of initialiser (* only at top level *)
 420   | Include       of string mcode (*#include*) * inc_file mcode (*file *)
 421   | DefineHeader  of string mcode (* #define *) * ident (* name *) *
 422                      define_parameters (*params*)
 423   | Case          of string mcode (* case *) * expression * string mcode (*:*)
 424   | Default       of string mcode (* default *) * string mcode (*:*)
 425   | DisjRuleElem  of rule_elem list
 426
 427 and fninfo =
 428     FStorage of storage mcode
 429   | FType of fullType
 430   | FInline of string mcode
 431   | FAttr of string mcode
 432
 433 and metaStmtInfo =
 434     NotSequencible | SequencibleAfterDots of dots_whencode list | Sequencible
 435
 436 and rule_elem = base_rule_elem wrap
 437
 438 and base_statement =
 439     Seq           of rule_elem (* { *) *
 440                      statement dots * rule_elem (* } *)
 441   | IfThen        of rule_elem (* header *) * statement * end_info
 442   | IfThenElse    of rule_elem (* header *) * statement *
 443                      rule_elem (* else *) * statement * end_info
 444   | While         of rule_elem (* header *) * statement * end_info
 445   | Do            of rule_elem (* do *) * statement * rule_elem (* tail *)
 446   | For           of rule_elem (* header *) * statement * end_info
 447   | Iterator      of rule_elem (* header *) * statement * end_info (*enditer*)
 448   | Switch        of rule_elem (* header *) * rule_elem (* { *) *
 449                      statement (*decl*) dots * case_line list * rule_elem(*}*)
 450   | Atomic        of rule_elem
 451   | Disj          of statement dots list
 452   | Nest          of statement dots *
 453                      (statement dots,statement) whencode list * multi *
 454                      dots_whencode list * dots_whencode list
 455   | FunDecl       of rule_elem (* header *) * rule_elem (* { *) *
 456                      statement dots * rule_elem (* } *)
 457   | Define        of rule_elem (* header *) * statement dots
 458   | Dots          of string mcode (* ... *) *
 459                      (statement dots,statement) whencode list *
 460                      dots_whencode list * dots_whencode list
 461   | Circles       of string mcode (* ooo *) *
 462                      (statement dots,statement) whencode list *
 463                      dots_whencode list * dots_whencode list
 464   | Stars         of string mcode (* *** *) *
 465                      (statement dots,statement) whencode list *
 466                      dots_whencode list * dots_whencode list
 467   | OptStm        of statement
 468   | UniqueStm     of statement
 469
 470 and ('a,'b) whencode =
 471     WhenNot of 'a
 472   | WhenAlways of 'b
 473   | WhenModifier of when_modifier
 474   | WhenNotTrue of rule_elem
 475   | WhenNotFalse of rule_elem
 476
 477 and when_modifier =
 478     WhenAny
 479   | WhenStrict
 480   | WhenForall
 481   | WhenExists
 482
 483 and dots_whencode =
 484     WParen of rule_elem * meta_name (*pren_var*)
 485   | Other of statement
 486   | Other_dots of statement dots
 487
 488 and statement = base_statement wrap
 489
 490 and base_case_line =
 491     CaseLine of rule_elem (* case/default header *) * statement dots
 492   | OptCase of case_line
 493
 494 and case_line = base_case_line wrap
 495
 496 and inc_file =
 497     Local of inc_elem list
 498   | NonLocal of inc_elem list
 499
 500 and inc_elem =
 501     IncPath of string
 502   | IncDots
 503
 504 and base_top_level =
 505     DECL of statement
 506   | CODE of statement dots
 507   | FILEINFO of string mcode (* old file *) * string mcode (* new file *)
 508   | ERRORWORDS of expression list
 509
 510 and top_level = base_top_level wrap
 511
 512 and rulename =
 513     CocciRulename of string option * dependency * string list * string list *
 514         exists * bool
 515       (* true if the whole thing is an expression *)
 516   | GeneratedRulename of string option * dependency *
 517         string list * string list * exists * bool
 518       (* true if the whole thing is an expression *)
 519   | ScriptRulename of string * dependency
 520   | InitialScriptRulename of string
 521   | FinalScriptRulename of string
 522
 523 and ruletype = Normal | Generated
 524
 525 and rule =
 526     CocciRule of string (* name *) *
 527         (dependency * string list (* dropped isos *) * exists) *
 528         top_level list * bool list (* true if generates an exp *) * ruletype
 529   | ScriptRule of string * dependency * (string * meta_name) list * string
 530   | InitialScriptRule of string * string
 531   | FinalScriptRule of string * string
 532
 533 and dependency =
 534     Dep of string (* rule applies for the current binding *)
 535   | AntiDep of string (* rule doesn't apply for the current binding *)
 536   | EverDep of string (* rule applies for some binding *)
 537   | NeverDep of string (* rule never applies for any binding *)
 538   | AndDep of dependency * dependency
 539   | OrDep of dependency * dependency
 540   | NoDep | FailDep
 541
 542 and rule_with_metavars = metavar list * rule
 543
 544 and anything =
 545     FullTypeTag         of fullType
 546   | BaseTypeTag         of baseType
 547   | StructUnionTag      of structUnion
 548   | SignTag             of sign
 549   | IdentTag            of ident
 550   | ExpressionTag       of expression
 551   | ConstantTag         of constant
 552   | UnaryOpTag          of unaryOp
 553   | AssignOpTag         of assignOp
 554   | FixOpTag            of fixOp
 555   | BinaryOpTag         of binaryOp
 556   | ArithOpTag          of arithOp
 557   | LogicalOpTag        of logicalOp
 558   | DeclarationTag      of declaration
 559   | InitTag             of initialiser
 560   | StorageTag          of storage
 561   | IncFileTag          of inc_file
 562   | Rule_elemTag        of rule_elem
 563   | StatementTag        of statement
 564   | CaseLineTag         of case_line
 565   | ConstVolTag         of const_vol
 566   | Token               of string * info option
 567   | Pragma              of string list
 568   | Code                of top_level
 569   | ExprDotsTag         of expression dots
 570   | ParamDotsTag        of parameterTypeDef dots
 571   | StmtDotsTag         of statement dots
 572   | DeclDotsTag         of declaration dots
 573   | TypeCTag            of typeC
 574   | ParamTag            of parameterTypeDef
 575   | SgrepStartTag       of string
 576   | SgrepEndTag         of string
 577
 578 (* --------------------------------------------------------------------- *)
 579
 580 and exists = Exists | Forall | Undetermined
 581
 582 (* --------------------------------------------------------------------- *)
 583
 584 val mkToken : string -> anything
 585
 586 val undots : 'a dots -> 'a list
 587
 588 val lub_count : count -> count -> count
 589
 590 (* --------------------------------------------------------------------- *)
 591
 592 val rewrap : 'a wrap -> 'b -> 'b wrap
 593 val rewrap_mcode : 'a mcode -> 'a -> 'a mcode
 594 val unwrap : 'a wrap -> 'a
 595 val unwrap_mcode : 'a mcode -> 'a
 596 val get_mcodekind : 'a mcode -> mcodekind
 597 val get_line : 'a wrap -> line
 598 val get_mcode_line : 'a mcode -> line
 599 val get_mcode_col : 'a mcode -> int
 600 val get_fvs : 'a wrap -> meta_name list
 601 val get_wcfvs : ('a wrap,'b wrap) whencode list -> meta_name list
 602 val set_fvs : meta_name list -> 'a wrap -> 'a wrap
 603 val get_mfvs : 'a wrap -> meta_name list
 604 val set_mfvs : meta_name list -> 'a wrap -> 'a wrap
 605 val get_fresh : 'a wrap -> (meta_name * seed) list
 606 val get_inherited : 'a wrap -> meta_name list
 607 val get_saved : 'a wrap -> meta_name list
 608 val get_dots_bef_aft : statement -> dots_bef_aft
 609 val set_dots_bef_aft : dots_bef_aft -> statement -> statement
 610 val get_pos : 'a wrap -> meta_name mcode option
 611 val set_pos : 'a wrap -> meta_name mcode option -> 'a wrap
 612 val get_test_exp : 'a wrap -> bool
 613 val set_test_exp : expression -> expression
 614 val get_isos : 'a wrap -> (string*anything) list
 615 val set_isos : 'a wrap -> (string*anything) list -> 'a wrap
 616 val get_pos_var : 'a mcode -> meta_pos
 617 val set_pos_var : meta_pos -> 'a mcode -> 'a mcode
 618 val drop_pos : 'a mcode -> 'a mcode
 619
 620 val get_meta_name : metavar -> meta_name
 621
 622 val tag2c : anything -> string
 623
 624 val no_info : info
 625
 626 val make_meta_rule_elem :
 627     string -> mcodekind ->
 628       (meta_name list * (meta_name * seed) list * meta_name list) ->
 629       rule_elem
 630
 631 val make_meta_decl :
 632     string -> mcodekind ->
 633       (meta_name list * (meta_name * seed) list * meta_name list) ->
 634       declaration
 635
 636 val make_term : 'a -> 'a wrap
 637 val make_mcode : 'a -> 'a mcode
 638
 639 val equal_pos : fixpos -> fixpos -> bool