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lustrec / src / parser_lustre.mly @ aa223e69

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/* ----------------------------------------------------------------------------
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 * SchedMCore - A MultiCore Scheduling Framework
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 * Copyright (C) 2009-2011, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE
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 *
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 * This file is part of Prelude
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 *
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 * Prelude is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public License
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 * as published by the Free Software Foundation ; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * Prelude is distributed in the hope that it will be useful, but
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 * WITHOUT ANY WARRANTY ; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
 * Lesser General Public License for more details.
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 *
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 * 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
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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 * USA
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 *---------------------------------------------------------------------------- */
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%{
24
open LustreSpec
25
open Corelang
26
open Dimension
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open Utils
28

    
29
let mktyp x = mktyp (Location.symbol_rloc ()) x
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let mkclock x = mkclock (Location.symbol_rloc ()) x
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let mkvar_decl x = mkvar_decl (Location.symbol_rloc ()) x
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let mkexpr x = mkexpr (Location.symbol_rloc ()) x
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let mkeq x = mkeq (Location.symbol_rloc ()) x
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let mkassert x = mkassert (Location.symbol_rloc ()) x
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let mktop_decl x = mktop_decl (Location.symbol_rloc ()) x
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let mkpredef_call x = mkpredef_call (Location.symbol_rloc ()) x
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let mkpredef_unary_call x = mkpredef_unary_call (Location.symbol_rloc ()) x
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let mkdim_int i = mkdim_int (Location.symbol_rloc ()) i
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let mkdim_bool b = mkdim_bool (Location.symbol_rloc ()) b
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let mkdim_ident id = mkdim_ident (Location.symbol_rloc ()) id
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let mkdim_appl f args = mkdim_appl (Location.symbol_rloc ()) f args
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let mkdim_ite i t e = mkdim_ite (Location.symbol_rloc ()) i t e
44

    
45
%}
46

    
47
%token <int> INT
48
%token <string> REAL
49
%token <float> FLOAT
50
%token AUTOMATON STATE UNTIL UNLESS RESTART RESUME LAST
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%token STATELESS ASSERT OPEN QUOTE FUNCTION
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%token <string> IDENT
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%token <LustreSpec.expr_annot> ANNOT
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%token <LustreSpec.node_annot> NODESPEC
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%token LBRACKET RBRACKET LCUR RCUR LPAR RPAR SCOL COL COMMA COLCOL 
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%token AMPERAMPER BARBAR NOT POWER
57
%token IF THEN ELSE
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%token UCLOCK DCLOCK PHCLOCK TAIL
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%token MERGE FBY WHEN WHENNOT EVERY
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%token NODE LET TEL RETURNS VAR IMPORTED SENSOR ACTUATOR WCET TYPE CONST
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%token STRUCT ENUM
62
%token TINT TFLOAT TREAL TBOOL TCLOCK
63
%token RATE DUE
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%token EQ LT GT LTE GTE NEQ
65
%token AND OR XOR IMPL
66
%token MULT DIV MOD
67
%token MINUS PLUS UMINUS
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%token PRE ARROW
69

    
70
%token EOF
71

    
72
%nonassoc COMMA
73
%left MERGE IF
74
%nonassoc ELSE
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%right ARROW FBY
76
%left WHEN WHENNOT UCLOCK DCLOCK PHCLOCK
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%right COLCOL
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%right IMPL
79
%left OR XOR BARBAR
80
%left AND AMPERAMPER
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%left NOT
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%nonassoc INT
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%nonassoc EQ LT GT LTE GTE NEQ
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%left MINUS PLUS
85
%left MULT DIV MOD
86
%left UMINUS
87
%left POWER
88
%left PRE LAST
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%nonassoc RBRACKET
90
%nonassoc LBRACKET
91

    
92
%start prog
93
%type <Corelang.top_decl list> prog
94
%start header
95
%type <Corelang.top_decl list> header
96

    
97
%%
98

    
99
prog:
100
 open_list typ_def_list top_decl_list EOF { $1 @ (List.rev $3) }
101

    
102
header:
103
 open_list typ_def_list top_decl_header_list EOF { $1 @ (List.rev $3) }
104

    
105
open_list:
106
  { [] }
107
| open_lusi open_list { $1 :: $2 }
108

    
109
open_lusi:
110
  OPEN QUOTE IDENT QUOTE { mktop_decl (Open $3) }
111

    
112
top_decl_list:
113
  top_decl {[$1]}
114
| top_decl_list top_decl {$2::$1}
115

    
116

    
117
top_decl_header_list:
118
  top_decl_header {[$1]}
119
| top_decl_header_list top_decl_header {$2::$1}
120

    
121

    
122
top_decl_header:
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| NODE IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR stateless_opt SCOL
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    {let nd = mktop_decl (ImportedNode
125
                            {nodei_id = $2;
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                             nodei_type = Types.new_var ();
127
                             nodei_clock = Clocks.new_var true;
128
                             nodei_inputs = List.rev $4;
129
                             nodei_outputs = List.rev $9;
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			     nodei_stateless = $12;
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			     nodei_spec = None})
132
    in
133
    Hashtbl.add node_table $2 nd; nd}
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| nodespec_list NODE IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR stateless_opt SCOL
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    {let nd = mktop_decl (ImportedNode
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                            {nodei_id = $3;
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                             nodei_type = Types.new_var ();
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                             nodei_clock = Clocks.new_var true;
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                             nodei_inputs = List.rev $5;
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                             nodei_outputs = List.rev $10;
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			     nodei_stateless = $13;
143
			     nodei_spec = Some $1})
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    in
145
    Hashtbl.add node_table $3 nd; nd}
146

    
147
| FUNCTION IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR SCOL
148
    {let nd = mktop_decl (ImportedNode
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                            {nodei_id = $2;
150
                             nodei_type = Types.new_var ();
151
			     nodei_clock = Clocks.new_var true;
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                             nodei_inputs = List.rev $4;
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                             nodei_outputs = List.rev $9;
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			     nodei_stateless = true;
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			     nodei_spec = None})
156
     in
157
     Hashtbl.add node_table $2 nd; nd}
158

    
159
| nodespec_list FUNCTION IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR SCOL
160
    {let nd = mktop_decl (ImportedNode
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                            {nodei_id = $3;
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                             nodei_type = Types.new_var ();
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			     nodei_clock = Clocks.new_var true;
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                             nodei_inputs = List.rev $5;
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                             nodei_outputs = List.rev $10;
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			     nodei_stateless = true;
167
			     nodei_spec = Some $1})
168
     in
169
    Hashtbl.add node_table $3 nd; nd}
170

    
171
top_decl:
172
| CONST cdecl_list { mktop_decl (Consts (List.rev $2)) }
173

    
174
| NODE IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR SCOL_opt locals LET eq_list TEL 
175
    {let eqs, asserts, annots = $15 in
176
     let nd = mktop_decl (Node
177
                            {node_id = $2;
178
                             node_type = Types.new_var ();
179
                             node_clock = Clocks.new_var true;
180
                             node_inputs = List.rev $4;
181
                             node_outputs = List.rev $9;
182
                             node_locals = List.rev $13;
183
			     node_gencalls = [];
184
			     node_checks = [];
185
			     node_asserts = asserts; 
186
                             node_eqs = eqs;
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			     node_spec = None;
188
			     node_annot = match annots with [] -> None | _ -> Some annots})
189
    in
190
    Hashtbl.add node_table $2 nd; nd}
191

    
192
| nodespec_list NODE IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR SCOL_opt locals LET eq_list TEL 
193
    {let eqs, asserts, annots = $16 in
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     let nd = mktop_decl (Node
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                            {node_id = $3;
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                             node_type = Types.new_var ();
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                             node_clock = Clocks.new_var true;
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                             node_inputs = List.rev $5;
199
                             node_outputs = List.rev $10;
200
                             node_locals = List.rev $14;
201
			     node_gencalls = [];
202
			     node_checks = [];
203
			     node_asserts = asserts; 
204
                             node_eqs = eqs;
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			     node_spec = Some $1;
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			     node_annot = match annots with [] -> None | _ -> Some annots})
207
    in
208
    Hashtbl.add node_table $3 nd; nd}
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210
nodespec_list:
211
NODESPEC { $1 }
212
| NODESPEC nodespec_list { LustreSpec.merge_node_annot $1 $2 }
213

    
214
stateless_opt:
215
   { false }
216
| STATELESS {true}
217

    
218
typ_def_list:
219
    /* empty */ {}
220
| typ_def SCOL typ_def_list {$1;$3}
221

    
222
typ_def:
223
  TYPE IDENT EQ typeconst {
224
    try
225
      Hashtbl.add type_table (Tydec_const $2) (Corelang.get_repr_type $4)
226
    with Not_found-> raise (Corelang.Unbound_type ($4, Location.symbol_rloc())) }
227
| TYPE IDENT EQ ENUM LCUR tag_list RCUR { Hashtbl.add type_table (Tydec_const $2) (Tydec_enum ($6 (Tydec_const $2))) }
228
| TYPE IDENT EQ STRUCT LCUR field_list RCUR { Hashtbl.add type_table (Tydec_const $2) (Tydec_struct ($6 (Tydec_const $2))) }
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230
array_typ_decl:
231
                            { fun typ -> typ }
232
 | POWER dim array_typ_decl { fun typ -> $3 (Tydec_array ($2, typ)) }
233

    
234
typeconst:
235
  TINT array_typ_decl  { $2 Tydec_int }
236
| TBOOL array_typ_decl { $2 Tydec_bool  }
237
| TREAL array_typ_decl { $2 Tydec_real  }
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| TFLOAT array_typ_decl { $2 Tydec_float }
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| IDENT array_typ_decl { $2 (Tydec_const $1) }
240
| TBOOL TCLOCK  { Tydec_clock Tydec_bool }
241
| IDENT TCLOCK  { Tydec_clock (Tydec_const $1) }
242

    
243
tag_list:
244
  IDENT
245
  { (fun t -> if Hashtbl.mem tag_table $1
246
              then raise (Corelang.Already_bound_label ($1, t, Location.symbol_rloc ()))
247
              else (Hashtbl.add tag_table $1 t; $1 :: [])) }
248
| tag_list COMMA IDENT
249
  { (fun t -> if Hashtbl.mem tag_table $3
250
              then raise (Corelang.Already_bound_label ($3, t, Location.symbol_rloc ()))
251
              else (Hashtbl.add tag_table $3 t; $3 :: ($1 t))) }
252

    
253
field_list:
254
  { (fun t -> []) }
255
| field_list IDENT COL typeconst SCOL
256
  { (fun t -> if Hashtbl.mem field_table $2
257
              then raise (Corelang.Already_bound_label ($2, t, Location.symbol_rloc ()))
258
              else (Hashtbl.add field_table $2 t; ($2, $4) :: ($1 t))) }
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260
eq_list:
261
  { [], [], [] }
262
| eq eq_list {let eql, assertl, annotl = $2 in ($1::eql), assertl, annotl}
263
| assert_ eq_list {let eql, assertl, annotl = $2 in eql, ($1::assertl), annotl}
264
| ANNOT eq_list {let eql, assertl, annotl = $2 in eql, assertl, $1@annotl}
265
| automaton eq_list {let eql, assertl, annotl = $2 in ($1::eql), assertl, annotl}
266

    
267
automaton:
268
 AUTOMATON IDENT handler_list { failwith "not implemented" }
269

    
270
handler_list:
271
     { [] }
272
| handler handler_list { $1::$2 }
273

    
274
handler:
275
 STATE IDENT ARROW unless_list locals LET eq_list TEL until_list { () }
276

    
277
unless_list:
278
    { [] }
279
| unless unless_list { $1::$2 }
280

    
281
until_list:
282
    { [] }
283
| until until_list { $1::$2 }
284

    
285
unless:
286
  UNLESS expr RESTART IDENT { }
287
| UNLESS expr RESUME IDENT  { }
288

    
289
until:
290
  UNTIL expr RESTART IDENT { }
291
| UNTIL expr RESUME IDENT  { }
292

    
293
assert_:
294
| ASSERT expr SCOL {mkassert ($2)}
295

    
296
eq:
297
       ident_list      EQ expr SCOL {mkeq (List.rev $1,$3)}
298
| LPAR ident_list RPAR EQ expr SCOL {mkeq (List.rev $2,$5)}
299

    
300
tuple_expr:
301
    expr COMMA expr {[$3;$1]}
302
| tuple_expr COMMA expr {$3::$1}
303

    
304
// Same as tuple expr but accepting lists with single element
305
array_expr:
306
  expr {[$1]}
307
| expr COMMA array_expr {$1::$3}
308

    
309
dim_list:
310
  dim RBRACKET { fun base -> mkexpr (Expr_access (base, $1)) }
311
| dim RBRACKET LBRACKET dim_list { fun base -> $4 (mkexpr (Expr_access (base, $1))) }
312

    
313
expr:
314
/* constants */
315
  INT {mkexpr (Expr_const (Const_int $1))}
316
| REAL {mkexpr (Expr_const (Const_real $1))}
317
| FLOAT {mkexpr (Expr_const (Const_float $1))}
318
/* Idents or type enum tags */
319
| IDENT {
320
  if Hashtbl.mem tag_table $1
321
  then mkexpr (Expr_const (Const_tag $1))
322
  else mkexpr (Expr_ident $1)}
323
| LPAR ANNOT expr RPAR
324
    {update_expr_annot $3 $2}
325
| LPAR expr RPAR
326
    {$2}
327
| LPAR tuple_expr RPAR
328
    {mkexpr (Expr_tuple (List.rev $2))}
329

    
330
/* Array expressions */
331
| LBRACKET array_expr RBRACKET { mkexpr (Expr_array $2) }
332
| expr POWER dim { mkexpr (Expr_power ($1, $3)) }
333
| expr LBRACKET dim_list { $3 $1 }
334

    
335
/* Temporal operators */
336
| PRE expr 
337
    {mkexpr (Expr_pre $2)}
338
| expr ARROW expr 
339
    {mkexpr (Expr_arrow ($1,$3))}
340
| expr FBY expr 
341
    {(*mkexpr (Expr_fby ($1,$3))*)
342
      mkexpr (Expr_arrow ($1, mkexpr (Expr_pre $3)))}
343
| expr WHEN IDENT 
344
    {mkexpr (Expr_when ($1,$3,tag_true))}
345
| expr WHENNOT IDENT
346
    {mkexpr (Expr_when ($1,$3,tag_false))}
347
| expr WHEN IDENT LPAR IDENT RPAR
348
    {mkexpr (Expr_when ($1, $5, $3))}
349
| MERGE IDENT handler_expr_list
350
    {mkexpr (Expr_merge ($2,$3))}
351

    
352
/* Applications */
353
| IDENT LPAR expr RPAR
354
    {mkexpr (Expr_appl ($1, $3, None))}
355
| IDENT LPAR expr RPAR EVERY IDENT
356
    {mkexpr (Expr_appl ($1, $3, Some ($6, tag_true)))}
357
| IDENT LPAR expr RPAR EVERY IDENT LPAR IDENT RPAR
358
    {mkexpr (Expr_appl ($1, $3, Some ($8, $6))) }
359
| IDENT LPAR tuple_expr RPAR
360
    {mkexpr (Expr_appl ($1, mkexpr (Expr_tuple (List.rev $3)), None))}
361
| IDENT LPAR tuple_expr RPAR EVERY IDENT
362
    {mkexpr (Expr_appl ($1, mkexpr (Expr_tuple (List.rev $3)), Some ($6, tag_true))) }
363
| IDENT LPAR tuple_expr RPAR EVERY IDENT LPAR IDENT RPAR
364
    {mkexpr (Expr_appl ($1, mkexpr (Expr_tuple (List.rev $3)), Some ($8, $6))) }
365

    
366
/* Boolean expr */
367
| expr AND expr 
368
    {mkpredef_call "&&" [$1;$3]}
369
| expr AMPERAMPER expr 
370
    {mkpredef_call "&&" [$1;$3]}
371
| expr OR expr 
372
    {mkpredef_call "||" [$1;$3]}
373
| expr BARBAR expr 
374
    {mkpredef_call "||" [$1;$3]}
375
| expr XOR expr 
376
    {mkpredef_call "xor" [$1;$3]}
377
| NOT expr 
378
    {mkpredef_unary_call "not" $2}
379
| expr IMPL expr 
380
    {mkpredef_call "impl" [$1;$3]}
381

    
382
/* Comparison expr */
383
| expr EQ expr 
384
    {mkpredef_call "=" [$1;$3]}
385
| expr LT expr 
386
    {mkpredef_call "<" [$1;$3]}
387
| expr LTE expr 
388
    {mkpredef_call "<=" [$1;$3]}
389
| expr GT expr 
390
    {mkpredef_call ">" [$1;$3]}
391
| expr GTE  expr 
392
    {mkpredef_call ">=" [$1;$3]}
393
| expr NEQ expr 
394
    {mkpredef_call "!=" [$1;$3]}
395

    
396
/* Arithmetic expr */
397
| expr PLUS expr 
398
    {mkpredef_call "+" [$1;$3]}
399
| expr MINUS expr 
400
    {mkpredef_call "-" [$1;$3]}
401
| expr MULT expr 
402
    {mkpredef_call "*" [$1;$3]}
403
| expr DIV expr 
404
    {mkpredef_call "/" [$1;$3]}
405
| MINUS expr %prec UMINUS
406
  {mkpredef_unary_call "uminus" $2}
407
| expr MOD expr 
408
    {mkpredef_call "mod" [$1;$3]}
409

    
410
/* If */
411
| IF expr THEN expr ELSE expr
412
    {mkexpr (Expr_ite ($2, $4, $6))}
413

    
414
handler_expr_list:
415
   { [] }
416
| handler_expr handler_expr_list { $1 :: $2 }
417

    
418
handler_expr:
419
 LPAR IDENT ARROW expr RPAR { ($2, $4) }
420

    
421
signed_const_array:
422
| signed_const { [$1] }
423
| signed_const COMMA signed_const_array { $1 :: $3 }
424

    
425
signed_const_struct:
426
| IDENT EQ signed_const { [ ($1, $3) ] }
427
| IDENT EQ signed_const COMMA signed_const_struct { ($1, $3) :: $5 }
428

    
429
signed_const:
430
  INT {Const_int $1}
431
| REAL {Const_real $1}
432
| FLOAT {Const_float $1}
433
| IDENT {Const_tag $1}
434
| MINUS INT {Const_int (-1 * $2)}
435
| MINUS REAL {Const_real ("-" ^ $2)}
436
| MINUS FLOAT {Const_float (-1. *. $2)}
437
| LCUR signed_const_struct RCUR { Const_struct $2 }
438
| LBRACKET signed_const_array RBRACKET { Const_array $2 }
439

    
440
dim:
441
   INT { mkdim_int $1 }
442
| LPAR dim RPAR { $2 }
443
| IDENT { mkdim_ident $1 }
444
| dim AND dim 
445
    {mkdim_appl "&&" [$1;$3]}
446
| dim AMPERAMPER dim 
447
    {mkdim_appl "&&" [$1;$3]}
448
| dim OR dim 
449
    {mkdim_appl "||" [$1;$3]}
450
| dim BARBAR dim 
451
    {mkdim_appl "||" [$1;$3]}
452
| dim XOR dim 
453
    {mkdim_appl "xor" [$1;$3]}
454
| NOT dim 
455
    {mkdim_appl "not" [$2]}
456
| dim IMPL dim 
457
    {mkdim_appl "impl" [$1;$3]}
458

    
459
/* Comparison dim */
460
| dim EQ dim 
461
    {mkdim_appl "=" [$1;$3]}
462
| dim LT dim 
463
    {mkdim_appl "<" [$1;$3]}
464
| dim LTE dim 
465
    {mkdim_appl "<=" [$1;$3]}
466
| dim GT dim 
467
    {mkdim_appl ">" [$1;$3]}
468
| dim GTE  dim 
469
    {mkdim_appl ">=" [$1;$3]}
470
| dim NEQ dim 
471
    {mkdim_appl "!=" [$1;$3]}
472

    
473
/* Arithmetic dim */
474
| dim PLUS dim 
475
    {mkdim_appl "+" [$1;$3]}
476
| dim MINUS dim 
477
    {mkdim_appl "-" [$1;$3]}
478
| dim MULT dim 
479
    {mkdim_appl "*" [$1;$3]}
480
| dim DIV dim 
481
    {mkdim_appl "/" [$1;$3]}
482
| MINUS dim %prec UMINUS
483
  {mkdim_appl "uminus" [$2]}
484
| dim MOD dim 
485
    {mkdim_appl "mod" [$1;$3]}
486
/* If */
487
| IF dim THEN dim ELSE dim
488
    {mkdim_ite $2 $4 $6}
489

    
490
locals:
491
  {[]}
492
| VAR vdecl_list SCOL {$2}
493

    
494
vdecl_list:
495
    vdecl {$1}
496
| vdecl_list SCOL vdecl {$3 @ $1}
497

    
498
vdecl:
499
/* Useless no ?*/    ident_list
500
    {List.map mkvar_decl 
501
        (List.map (fun id -> (id, mktyp Tydec_any, mkclock Ckdec_any, false)) $1)}
502

    
503
| ident_list COL typeconst clock 
504
    {List.map mkvar_decl (List.map (fun id -> (id, mktyp $3, $4, false)) $1)}
505
| CONST ident_list COL typeconst /* static parameters don't have clocks */
506
    {List.map mkvar_decl (List.map (fun id -> (id, mktyp $4, mkclock Ckdec_any, true)) $2)}
507

    
508
cdecl_list:
509
  cdecl SCOL { [$1] }
510
| cdecl_list cdecl SCOL { $2::$1 }
511

    
512
cdecl:
513
    IDENT EQ signed_const {
514
      let c = {
515
	const_id = $1;
516
	const_loc = Location.symbol_rloc ();
517
        const_type = Types.new_var ();
518
	const_value = $3;
519
      } in
520
      Hashtbl.add consts_table $1 c; c
521
    }
522

    
523
clock:
524
    {mkclock Ckdec_any}
525
| when_list
526
    {mkclock (Ckdec_bool (List.rev $1))}
527

    
528
when_cond:
529
    WHEN IDENT {($2, tag_true)}
530
| WHENNOT IDENT {($2, tag_false)}
531
| WHEN IDENT LPAR IDENT RPAR {($4, $2)}
532

    
533
when_list:
534
    when_cond {[$1]}
535
| when_list when_cond {$2::$1}
536

    
537
ident_list:
538
  IDENT {[$1]}
539
| ident_list COMMA IDENT {$3::$1}
540

    
541
SCOL_opt:
542
    SCOL {} | {}