Project

General

Profile

Statistics
| Branch: | Tag: | Revision:

lustrec / src / corelang.mli @ 5538b7ac

History | View | Annotate | Download (7.65 KB)

1
(* ----------------------------------------------------------------------------
2
 * SchedMCore - A MultiCore Scheduling Framework
3
 * Copyright (C) 2009-2011, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE
4
 *
5
 * This file is part of Prelude
6
 *
7
 * Prelude is free software; you can redistribute it and/or
8
 * modify it under the terms of the GNU Lesser General Public License
9
 * as published by the Free Software Foundation ; either version 2 of
10
 * the License, or (at your option) any later version.
11
 *
12
 * Prelude is distributed in the hope that it will be useful, but
13
 * WITHOUT ANY WARRANTY ; without even the implied warranty of
14
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
 * Lesser General Public License for more details.
16
 *
17
 * You should have received a copy of the GNU Lesser General Public
18
 * License along with this program ; if not, write to the Free Software
19
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
20
 * USA
21
 *---------------------------------------------------------------------------- *)
22

    
23
open LustreSpec
24

    
25
(** The core language and its ast. *)
26
type ident = Utils.ident
27
type label = Utils.ident
28
type rat = Utils.rat
29
type tag = Utils.tag
30

    
31
type constant =
32
  | Const_int of int
33
  | Const_real of string
34
  | Const_float of float
35
  | Const_array of constant list
36
  | Const_tag  of label
37
  | Const_struct of (label * constant) list
38

    
39
val dummy_type_dec: type_dec
40

    
41
type type_dec = LustreSpec.type_dec
42

    
43
type clock_dec = LustreSpec.clock_dec
44
val dummy_clock_dec: clock_dec
45

    
46
type var_decl = LustreSpec.var_decl
47

    
48
type expr =
49
  {expr_tag: tag; (* Unique identifier *)
50
   expr_desc: expr_desc;
51
   mutable expr_type: Types.type_expr;
52
   mutable expr_clock: Clocks.clock_expr;
53
   mutable expr_delay: Delay.delay_expr; (* Used for the initialisation check *)
54
   mutable expr_annot: LustreSpec.expr_annot option; (* Spec *)
55
   expr_loc: Location.t}
56

    
57
and expr_desc =
58
| Expr_const of constant
59
| Expr_ident of ident
60
| Expr_tuple of expr list
61
| Expr_ite   of expr * expr * expr
62
| Expr_arrow of expr * expr
63
| Expr_fby of expr * expr
64
| Expr_array of expr list
65
| Expr_access of expr * Dimension.dim_expr (* acces(e,i) is the i-th element 
66
					      of array epxression e *)
67
| Expr_power of expr * Dimension.dim_expr (* power(e,n) is the array of 
68
					     size n filled with expression e *)
69
| Expr_pre of expr
70
| Expr_when of expr * ident * label
71
| Expr_merge of ident * (label * expr) list
72
| Expr_appl of call_t
73
| Expr_uclock of expr * int
74
| Expr_dclock of expr * int
75
| Expr_phclock of expr * rat
76
and call_t = ident * expr * (ident * label) option (* The third part denotes the reseting clock label and value *)
77

    
78
type assert_t = 
79
    {
80
      assert_expr: expr;
81
      assert_loc: Location.t
82
    } 
83

    
84
type eq =
85
    {eq_lhs: ident list;
86
     eq_rhs: expr;
87
     eq_loc: Location.t}
88

    
89
type node_desc =
90
    {node_id: ident;
91
     mutable node_type: Types.type_expr;
92
     mutable node_clock: Clocks.clock_expr;
93
     node_inputs: var_decl list;
94
     node_outputs: var_decl list;
95
     node_locals: var_decl list;
96
     mutable node_gencalls: expr list;
97
     mutable node_checks: Dimension.dim_expr list;
98
     node_asserts: assert_t list; 
99
     node_eqs: eq list;
100
     mutable node_dec_stateless: bool;
101
     mutable node_stateless: bool option;
102
     node_spec: LustreSpec.node_annot option;
103
     node_annot: LustreSpec.expr_annot option;}
104

    
105
type imported_node_desc =
106
    {nodei_id: ident;
107
     mutable nodei_type: Types.type_expr;
108
     mutable nodei_clock: Clocks.clock_expr;
109
     nodei_inputs: var_decl list;
110
     nodei_outputs: var_decl list;
111
     nodei_stateless: bool;
112
     nodei_spec: LustreSpec.node_annot option;}
113
(*
114
type imported_fun_desc =
115
    {fun_id: ident;
116
     mutable fun_type: Types.type_expr;
117
     fun_inputs: var_decl list;
118
     fun_outputs: var_decl list;
119
     fun_spec: LustreSpec.node_annot option;}
120
*)
121
type const_desc = 
122
    {const_id: ident; 
123
     const_loc: Location.t; 
124
     const_value: constant;      
125
     mutable const_type: Types.type_expr;
126
    }
127
(* type sensor_desc = *)
128
(*     {sensor_id: ident; *)
129
(*      sensor_wcet: int} *)
130

    
131
(* type actuator_desc = *)
132
(*     {actuator_id: ident; *)
133
(*      actuator_wcet: int} *)
134

    
135
type top_decl_desc =
136
  | Node of node_desc
137
  | Consts of const_desc list
138
  | ImportedNode of imported_node_desc
139
  (* | ImportedFun of imported_fun_desc *)
140
  (* | SensorDecl of sensor_desc *)
141
  (* | ActuatorDecl of actuator_desc *)
142
  | Open of string
143

    
144
type top_decl =
145
    {top_decl_desc: top_decl_desc;
146
     top_decl_loc: Location.t}
147

    
148
type program = top_decl list
149

    
150
type error =
151
    Main_not_found
152
  | Main_wrong_kind
153
  | No_main_specified
154
  | Unbound_symbol of ident
155
  | Already_bound_symbol of ident
156

    
157
exception Error of Location.t * error
158

    
159
val mktyp: Location.t -> type_dec_desc -> type_dec
160
val mkclock: Location.t -> clock_dec_desc -> clock_dec
161
val mkvar_decl: Location.t -> ident * type_dec * clock_dec * bool (* is const *) -> var_decl
162
val var_decl_of_const: const_desc -> var_decl
163
val mkexpr: Location.t ->  expr_desc -> expr
164
val mkeq: Location.t -> ident list * expr -> eq
165
val mkassert: Location.t -> expr -> assert_t
166
val mktop_decl: Location.t -> top_decl_desc -> top_decl
167
val mkpredef_call: Location.t -> ident -> expr list -> expr
168
val mkpredef_unary_call: Location.t -> ident -> expr -> expr
169
val mk_new_name: var_decl list -> ident -> ident
170

    
171

    
172
val node_table : (ident, top_decl) Hashtbl.t
173
val node_name: top_decl -> ident
174
val node_inputs: top_decl -> var_decl list
175
val node_from_name: ident -> top_decl
176
val is_generic_node: top_decl -> bool
177
val is_imported_node: top_decl -> bool
178

    
179
val consts_table: (ident, const_desc) Hashtbl.t
180
val type_table: (type_dec_desc, type_dec_desc) Hashtbl.t
181
val get_repr_type: type_dec_desc -> type_dec_desc
182
val is_user_type: type_dec_desc -> bool
183
val tag_true: label
184
val tag_false: label
185
val tag_table: (label, type_dec_desc) Hashtbl.t
186
val field_table: (label, type_dec_desc) Hashtbl.t
187

    
188
val get_enum_type_tags: type_dec_desc -> label list
189

    
190
val get_struct_type_fields: type_dec_desc -> (label * type_dec_desc) list
191

    
192
val const_of_bool: bool -> constant
193
val const_is_bool: constant -> bool
194
val const_negation: constant -> constant
195
val const_or: constant -> constant -> constant
196
val const_and: constant -> constant -> constant
197
val const_xor: constant -> constant -> constant
198
val const_impl: constant -> constant -> constant
199

    
200
val node_vars: node_desc -> var_decl list
201
val node_var: ident -> node_desc -> var_decl
202
val node_eq: ident -> node_desc -> eq
203

    
204
(* val get_const: ident -> constant *)
205

    
206
val sort_handlers : (label * 'a) list -> (label * 'a) list
207

    
208
val is_eq_expr: expr -> expr -> bool
209

    
210
val pp_error :  Format.formatter -> error -> unit
211

    
212
(* Caution, returns an untyped, unclocked, etc, expression *)
213
val expr_of_ident : ident -> Location.t -> expr
214
val expr_list_of_expr : expr -> expr list
215
val expr_of_expr_list : Location.t -> expr list -> expr
216
val call_of_expr: expr -> (ident * expr list * (ident * label) option)
217
val expr_of_dimension: Dimension.dim_expr -> expr
218
val dimension_of_expr: expr -> Dimension.dim_expr
219
val dimension_of_const: Location.t -> constant -> Dimension.dim_expr
220

    
221
(* REMOVED, pushed in utils.ml   val new_tag : unit -> tag *)
222

    
223
val add_internal_funs: unit -> unit
224

    
225
val pp_prog_type : Format.formatter -> program -> unit
226

    
227
val pp_prog_clock : Format.formatter -> program -> unit
228

    
229
val get_nodes : program -> node_desc list
230
val get_consts : program -> const_desc list
231
val prog_unfold_consts: program -> program
232
val expr_replace_var: (ident -> ident) -> expr -> expr
233
val eq_replace_rhs_var: (ident -> bool) -> (ident -> ident) -> eq -> eq
234

    
235
(** rename_prog f_node f_var f_const prog *)
236
val rename_prog: (ident -> ident) -> (ident -> ident) -> (ident -> ident) -> program -> program
237

    
238
val update_expr_annot: expr -> LustreSpec.expr_annot -> expr
239

    
240

    
241
(* Local Variables: *)
242
(* compile-command:"make -C .." *)
243
(* End: *)