111 lines
3.6 KiB
OCaml
111 lines
3.6 KiB
OCaml
(***********************************************************************)
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(* *)
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(* Objective Caml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* Automatique. Distributed only by permission. *)
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(* *)
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(***********************************************************************)
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(* $Id$ *)
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(* The "lambda" intermediate code *)
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open Asttypes
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type primitive =
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Pidentity
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(* Globals *)
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| Pgetglobal of Ident.t
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| Psetglobal of Ident.t
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(* Operations on heap blocks *)
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| Pmakeblock of int * mutable_flag
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| Pfield of int
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| Psetfield of int * bool
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| Pfloatfield of int
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| Psetfloatfield of int
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(* External call *)
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| Pccall of Primitive.description
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(* Exceptions *)
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| Praise
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(* Boolean operations *)
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| Psequand | Psequor | Pnot
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(* Integer operations *)
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| Pnegint | Paddint | Psubint | Pmulint | Pdivint | Pmodint
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| Pandint | Porint | Pxorint
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| Plslint | Plsrint | Pasrint
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| Pintcomp of comparison
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| Poffsetint of int
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| Poffsetref of int
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(* Float operations *)
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| Pintoffloat | Pfloatofint
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| Pnegfloat | Pabsfloat
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| Paddfloat | Psubfloat | Pmulfloat | Pdivfloat
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| Pfloatcomp of comparison
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(* String operations *)
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| Pstringlength | Pstringrefu | Pstringsetu | Pstringrefs | Pstringsets
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(* Array operations *)
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| Pmakearray of array_kind
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| Parraylength of array_kind
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| Parrayrefu of array_kind
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| Parraysetu of array_kind
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| Parrayrefs of array_kind
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| Parraysets of array_kind
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(* Bitvect operations *)
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| Pbittest
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and comparison =
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Ceq | Cneq | Clt | Cgt | Cle | Cge
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and array_kind =
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Pgenarray | Paddrarray | Pintarray | Pfloatarray
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type structured_constant =
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Const_base of constant
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| Const_pointer of int
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| Const_block of int * structured_constant list
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| Const_float_array of string list
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type let_kind = Strict | Alias | StrictOpt
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type shared_code = (int * int) list (* stack size -> code label *)
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type lambda =
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Lvar of Ident.t
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| Lconst of structured_constant
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| Lapply of lambda * lambda list
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| Lfunction of Ident.t list * lambda
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| Llet of let_kind * Ident.t * lambda * lambda
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| Lletrec of (Ident.t * lambda) list * lambda
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| Lprim of primitive * lambda list
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| Lswitch of lambda * lambda_switch
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| Lstaticfail
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| Lcatch of lambda * lambda
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| Ltrywith of lambda * Ident.t * lambda
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| Lifthenelse of lambda * lambda * lambda
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| Lsequence of lambda * lambda
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| Lwhile of lambda * lambda
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| Lfor of Ident.t * lambda * lambda * direction_flag * lambda
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| Lassign of Ident.t * lambda
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| Lsend of lambda * lambda * lambda list
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and lambda_switch =
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{ sw_numconsts: int; (* Number of integer cases *)
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sw_consts: (int * lambda) list; (* Integer cases *)
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sw_numblocks: int; (* Number of tag block cases *)
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sw_blocks: (int * lambda) list; (* Tag block cases *)
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sw_checked: bool } (* True if bound checks needed *)
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val const_unit: structured_constant
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val lambda_unit: lambda
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val name_lambda: lambda -> (Ident.t -> lambda) -> lambda
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val name_lambda_list: lambda list -> (lambda list -> lambda) -> lambda
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val is_guarded: lambda -> bool
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module IdentSet: Set.S with type elt = Ident.t
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val free_variables: lambda -> IdentSet.t
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val transl_path: Path.t -> lambda
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