heptagon/compiler/minils/parsing/mls_parsetree.ml
2010-09-07 16:32:08 +02:00

113 lines
3.1 KiB
OCaml

(**************************************************************************)
(* *)
(* Heptagon *)
(* *)
(* Author : Marc Pouzet *)
(* Organization : Demons, LRI, University of Paris-Sud, Orsay *)
(* *)
(**************************************************************************)
open Location
open Names
open Signature
open Static
open Types
open Clocks
type exp = {
e_desc: edesc;
e_loc: location }
and app = { a_op: Minils.op; a_params: exp list }
and edesc =
| Econst of static_exp
| Evar of name
| Efby of exp option * exp
| Eapp of Minils.app * exp list * name option
| Ewhen of exp * constructor_name * name
| Emerge of name * (constructor_name * exp) list
| Estruct of (field_name * exp) list
| Eiterator of
Minils.iterator_type * app * exp * exp list * name option
and pat =
| Etuplepat of pat list
| Evarpat of name
and eq = {
eq_lhs : pat;
eq_rhs : exp;
eq_loc : location }
and var_dec = {
v_ident : name;
v_type : ty;
v_clock : ck;
v_loc : location }
type node_dec = {
n_name : name;
n_input : var_dec list;
n_output : var_dec list;
n_contract : Minils.contract option;
n_local : var_dec list;
n_equs : eq list;
n_loc : location;
n_params : param list }
type program = {
p_modname : name;
p_format_version : string;
p_opened : name list;
p_types : Minils.type_dec list;
p_nodes : node_dec list;
p_consts : Minils.const_dec list }
(** {Helper functions to build the Parsetree *)
let mk_node
?(input = []) ?(output = []) ?(contract = None) ?(local = []) ?(eq = [])
?(loc = no_location) ?(param = []) ?(constraints = []) ?(pinst = []) name =
{ n_name = name;
n_input = input;
n_output = output;
n_contract = contract;
n_local = local;
n_equs = eq;
n_loc = loc;
n_params = param }
(** The modname field has to be set when known, TODO LG : format_version *)
let mk_program o n t c =
{ p_modname = ""; p_format_version = "";
p_opened = o; p_nodes = n; p_types = t; p_consts = c }
let mk_exp desc loc = { e_desc = desc; e_loc = loc }
let mk_app params op = { a_op = op; a_params = params }
let void = mk_exp (Eapp (Minils.mk_app Minils.Etuple, [], None))
let mk_call ?(unsafe=false) ?(params=[]) reset op exps =
Eapp (Minils.mk_app ~unsafe:unsafe op ~params:params, exps, reset)
let mk_op_call ?(params=[]) s exps =
mk_call ~params:params None
(Minils.Efun (Modname { qual = "Pervasives"; id = s })) exps
let mk_iterator_call it ln params reset n exps =
Eiterator (it, mk_app params (Minils.Enode ln), n, exps, reset)
let mk_constructor_exp f loc =
mk_exp (Econst (mk_static_exp (Sconstructor f))) loc
let mk_equation lhs rhs loc =
{ eq_lhs = lhs; eq_rhs = rhs; eq_loc = loc }
let mk_var_dec name ty clock loc =
{ v_ident = name; v_type = ty; v_clock = clock; v_loc = loc }