## lustrec / src / parser_lustre.mly @ 44bea83a

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1 | 22fe1c93 | ploc | /* ---------------------------------------------------------------------------- |
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2 | * SchedMCore - A MultiCore Scheduling Framework |
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3 | * Copyright (C) 2009-2011, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE |
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4 | * |
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5 | * This file is part of Prelude |
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6 | * |
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7 | * Prelude is free software; you can redistribute it and/or |
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8 | * modify it under the terms of the GNU Lesser General Public License |
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9 | * as published by the Free Software Foundation ; either version 2 of |
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10 | * the License, or (at your option) any later version. |
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11 | * |
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12 | * Prelude is distributed in the hope that it will be useful, but |
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13 | * WITHOUT ANY WARRANTY ; without even the implied warranty of |
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 | * Lesser General Public License for more details. |
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16 | * |
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17 | * You should have received a copy of the GNU Lesser General Public |
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18 | * License along with this program ; if not, write to the Free Software |
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19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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20 | * USA |
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21 | *---------------------------------------------------------------------------- */ |
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22 | |||

23 | %{ |
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24 | open LustreSpec |
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25 | open Corelang |
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26 | open Dimension |
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27 | open Utils |
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28 | |||

29 | 01c7d5e1 | ploc | let get_loc () = Location.symbol_rloc () |

30 | let mktyp x = mktyp (get_loc ()) x |
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31 | let mkclock x = mkclock (get_loc ()) x |
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32 | let mkvar_decl x = mkvar_decl (get_loc ()) x |
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33 | let mkexpr x = mkexpr (get_loc ()) x |
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34 | let mkeexpr x = mkeexpr (get_loc ()) x |
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35 | let mkeq x = mkeq (get_loc ()) x |
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36 | let mkassert x = mkassert (get_loc ()) x |
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37 | let mktop_decl x = mktop_decl (get_loc ()) x |
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38 | let mkpredef_call x = mkpredef_call (get_loc ()) x |
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39 | (*let mkpredef_unary_call x = mkpredef_unary_call (get_loc ()) x*) |
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40 | |||

41 | let mkdim_int i = mkdim_int (get_loc ()) i |
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42 | let mkdim_bool b = mkdim_bool (get_loc ()) b |
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43 | let mkdim_ident id = mkdim_ident (get_loc ()) id |
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44 | let mkdim_appl f args = mkdim_appl (get_loc ()) f args |
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45 | let mkdim_ite i t e = mkdim_ite (get_loc ()) i t e |
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46 | |||

47 | let mkannots annots = { annots = annots; annot_loc = get_loc () } |
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48 | 22fe1c93 | ploc | |

49 | 3826f8cb | ploc | let add_node loc own msg hashtbl name value = |

50 | 89b9e25c | xthirioux | try |

51 | match (Hashtbl.find hashtbl name).top_decl_desc, value.top_decl_desc with |
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52 | 3826f8cb | ploc | | Node _ , ImportedNode _ when own -> () |

53 | | ImportedNode _, _ -> Hashtbl.add hashtbl name value |
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54 | 01c7d5e1 | ploc | | Node _ , _ -> raise (Error (loc, Already_bound_symbol msg)) |

55 | 3826f8cb | ploc | | _ -> assert false |

56 | 89b9e25c | xthirioux | with |

57 | 3826f8cb | ploc | Not_found -> Hashtbl.add hashtbl name value |

58 | 89b9e25c | xthirioux | |

59 | 3826f8cb | ploc | |

60 | let add_symbol loc msg hashtbl name value = |
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61 | 21485807 | xthirioux | if Hashtbl.mem hashtbl name |

62 | 01c7d5e1 | ploc | then raise (Error (loc, Already_bound_symbol msg)) |

63 | 21485807 | xthirioux | else Hashtbl.add hashtbl name value |

64 | |||

65 | 3826f8cb | ploc | let check_symbol loc msg hashtbl name = |

66 | 21485807 | xthirioux | if not (Hashtbl.mem hashtbl name) |

67 | 01c7d5e1 | ploc | then raise (Error (loc, Unbound_symbol msg)) |

68 | 21485807 | xthirioux | else () |

69 | |||

70 | 01c7d5e1 | ploc | let check_node_symbol msg name value = |

71 | if Hashtbl.mem node_table name |
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72 | then () (* TODO: should we check the types here ? *) |
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73 | else Hashtbl.add node_table name value |
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74 | |||

75 | 22fe1c93 | ploc | %} |

76 | |||

77 | %token <int> INT |
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78 | %token <string> REAL |
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79 | %token <float> FLOAT |
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80 | 01c7d5e1 | ploc | %token <string> STRING |

81 | 22fe1c93 | ploc | %token AUTOMATON STATE UNTIL UNLESS RESTART RESUME LAST |

82 | 5c1184ad | ploc | %token STATELESS ASSERT OPEN QUOTE FUNCTION |

83 | 22fe1c93 | ploc | %token <string> IDENT |

84 | %token <LustreSpec.expr_annot> ANNOT |
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85 | %token <LustreSpec.node_annot> NODESPEC |
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86 | %token LBRACKET RBRACKET LCUR RCUR LPAR RPAR SCOL COL COMMA COLCOL |
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87 | %token AMPERAMPER BARBAR NOT POWER |
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88 | %token IF THEN ELSE |
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89 | %token UCLOCK DCLOCK PHCLOCK TAIL |
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90 | %token MERGE FBY WHEN WHENNOT EVERY |
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91 | %token NODE LET TEL RETURNS VAR IMPORTED SENSOR ACTUATOR WCET TYPE CONST |
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92 | %token STRUCT ENUM |
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93 | %token TINT TFLOAT TREAL TBOOL TCLOCK |
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94 | %token RATE DUE |
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95 | %token EQ LT GT LTE GTE NEQ |
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96 | %token AND OR XOR IMPL |
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97 | %token MULT DIV MOD |
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98 | %token MINUS PLUS UMINUS |
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99 | %token PRE ARROW |
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100 | 01c7d5e1 | ploc | %token REQUIRES ENSURES OBSERVER |

101 | %token INVARIANT BEHAVIOR ASSUMES |
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102 | %token EXISTS FORALL |
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103 | 3826f8cb | ploc | %token PROTOTYPE LIB |

104 | 22fe1c93 | ploc | %token EOF |

105 | |||

106 | 01c7d5e1 | ploc | %nonassoc prec_exists prec_forall |

107 | 22fe1c93 | ploc | %nonassoc COMMA |

108 | %left MERGE IF |
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109 | %nonassoc ELSE |
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110 | %right ARROW FBY |
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111 | %left WHEN WHENNOT UCLOCK DCLOCK PHCLOCK |
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112 | %right COLCOL |
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113 | %right IMPL |
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114 | %left OR XOR BARBAR |
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115 | %left AND AMPERAMPER |
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116 | %left NOT |
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117 | %nonassoc INT |
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118 | %nonassoc EQ LT GT LTE GTE NEQ |
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119 | %left MINUS PLUS |
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120 | %left MULT DIV MOD |
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121 | %left UMINUS |
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122 | %left POWER |
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123 | %left PRE LAST |
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124 | %nonassoc RBRACKET |
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125 | %nonassoc LBRACKET |
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126 | |||

127 | %start prog |
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128 | 01c7d5e1 | ploc | %type <LustreSpec.top_decl list> prog |

129 | |||

130 | 5c1184ad | ploc | %start header |

131 | 01c7d5e1 | ploc | %type <bool -> LustreSpec.top_decl list> header |

132 | |||

133 | %start lustre_annot |
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134 | %type <LustreSpec.expr_annot> lustre_annot |
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135 | |||

136 | %start lustre_spec |
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137 | %type <LustreSpec.node_annot> lustre_spec |
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138 | 22fe1c93 | ploc | |

139 | %% |
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140 | |||

141 | prog: |
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142 | 7291cb80 | xthirioux | open_list typ_def_list top_decl_list EOF { $1 @ (List.rev $3) } |

143 | 22fe1c93 | ploc | |

144 | 5c1184ad | ploc | header: |

145 | 89b9e25c | xthirioux | open_list typ_def_list top_decl_header_list EOF { (fun own -> ($1 @ (List.rev ($3 own)))) } |

146 | 7291cb80 | xthirioux | |

147 | open_list: |
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148 | { [] } |
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149 | | open_lusi open_list { $1 :: $2 } |
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150 | |||

151 | open_lusi: |
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152 | 54ae8ac7 | ploc | | OPEN QUOTE IDENT QUOTE { mktop_decl (Open (true, $3))} |

153 | | OPEN LT IDENT GT { mktop_decl (Open (false, $3)) } |
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154 | 5c1184ad | ploc | |

155 | 22fe1c93 | ploc | top_decl_list: |

156 | top_decl {[$1]} |
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157 | | top_decl_list top_decl {$2::$1} |
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158 | |||

159 | |||

160 | 5c1184ad | ploc | top_decl_header_list: |

161 | 89b9e25c | xthirioux | top_decl_header {(fun own -> [$1 own]) } |

162 | | top_decl_header_list top_decl_header {(fun own -> ($2 own)::($1 own)) } |
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163 | 22fe1c93 | ploc | |

164 | 52cfee34 | xthirioux | state_annot: |

165 | FUNCTION { true } |
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166 | | NODE { false } |
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167 | 22fe1c93 | ploc | |

168 | 5c1184ad | ploc | top_decl_header: |

169 | 3826f8cb | ploc | | CONST cdecl_list { let top = mktop_decl (Consts (List.rev $2)) in fun _ -> top } |

170 | 54ae8ac7 | ploc | | nodespec_list state_annot IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR prototype_opt in_lib_opt SCOL |

171 | 22fe1c93 | ploc | {let nd = mktop_decl (ImportedNode |

172 | 5c1184ad | ploc | {nodei_id = $3; |

173 | 22fe1c93 | ploc | nodei_type = Types.new_var (); |

174 | nodei_clock = Clocks.new_var true; |
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175 | 5c1184ad | ploc | nodei_inputs = List.rev $5; |

176 | 22fe1c93 | ploc | nodei_outputs = List.rev $10; |

177 | 52cfee34 | xthirioux | nodei_stateless = $2; |

178 | 54ae8ac7 | ploc | nodei_spec = $1; |

179 | nodei_prototype = $13; |
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180 | nodei_in_lib = $14;}) |
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181 | 22fe1c93 | ploc | in |

182 | 01c7d5e1 | ploc | check_node_symbol ("node " ^ $3) $3 nd; |

183 | let loc = get_loc () in |
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184 | (fun own -> add_node loc own ("node " ^ $3) node_table $3 nd; nd) } |
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185 | 22fe1c93 | ploc | |

186 | 54ae8ac7 | ploc | prototype_opt: |

187 | { None } |
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188 | | PROTOTYPE IDENT { Some $2} |
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189 | |||

190 | in_lib_opt: |
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191 | { None } |
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192 | 3826f8cb | ploc | | LIB IDENT {Some $2} |

193 | 54ae8ac7 | ploc | |

194 | 5c1184ad | ploc | top_decl: |

195 | | CONST cdecl_list { mktop_decl (Consts (List.rev $2)) } |
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196 | 52cfee34 | xthirioux | | nodespec_list state_annot IDENT LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR SCOL_opt locals LET eq_list TEL |

197 | 5c1184ad | ploc | {let eqs, asserts, annots = $16 in |

198 | let nd = mktop_decl (Node |
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199 | {node_id = $3; |
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200 | node_type = Types.new_var (); |
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201 | node_clock = Clocks.new_var true; |
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202 | node_inputs = List.rev $5; |
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203 | node_outputs = List.rev $10; |
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204 | node_locals = List.rev $14; |
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205 | node_gencalls = []; |
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206 | node_checks = []; |
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207 | node_asserts = asserts; |
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208 | node_eqs = eqs; |
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209 | 52cfee34 | xthirioux | node_dec_stateless = $2; |

210 | node_stateless = None; |
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211 | node_spec = $1; |
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212 | 01c7d5e1 | ploc | node_annot = annots}) |

213 | 3826f8cb | ploc | in |

214 | let loc = Location.symbol_rloc () in |
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215 | add_node loc true ("node " ^ $3) node_table $3 nd; nd} |
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216 | 5c1184ad | ploc | |

217 | 22fe1c93 | ploc | nodespec_list: |

218 | 52cfee34 | xthirioux | { None } |

219 | 01c7d5e1 | ploc | | NODESPEC nodespec_list { |

220 | (function |
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221 | | None -> (fun s1 -> Some s1) |
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222 | | Some s2 -> (fun s1 -> Some (merge_node_annot s1 s2))) $2 $1 } |
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223 | 22fe1c93 | ploc | |

224 | typ_def_list: |
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225 | /* empty */ {} |
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226 | | typ_def SCOL typ_def_list {$1;$3} |
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227 | |||

228 | typ_def: |
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229 | TYPE IDENT EQ typeconst { |
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230 | try |
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231 | 3826f8cb | ploc | let loc = Location.symbol_rloc () in |

232 | 01c7d5e1 | ploc | add_symbol loc ("type " ^ $2) type_table (Tydec_const $2) (get_repr_type $4) |

233 | 21485807 | xthirioux | with Not_found-> assert false } |

234 | 22fe1c93 | ploc | | TYPE IDENT EQ ENUM LCUR tag_list RCUR { Hashtbl.add type_table (Tydec_const $2) (Tydec_enum ($6 (Tydec_const $2))) } |

235 | 6a6abd76 | xthirioux | | TYPE IDENT EQ STRUCT LCUR field_list RCUR { Hashtbl.add type_table (Tydec_const $2) (Tydec_struct ($6 (Tydec_const $2))) } |

236 | 22fe1c93 | ploc | |

237 | array_typ_decl: |
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238 | { fun typ -> typ } |
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239 | | POWER dim array_typ_decl { fun typ -> $3 (Tydec_array ($2, typ)) } |
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240 | |||

241 | typeconst: |
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242 | TINT array_typ_decl { $2 Tydec_int } |
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243 | | TBOOL array_typ_decl { $2 Tydec_bool } |
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244 | | TREAL array_typ_decl { $2 Tydec_real } |
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245 | | TFLOAT array_typ_decl { $2 Tydec_float } |
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246 | 3826f8cb | ploc | | IDENT array_typ_decl { |

247 | let loc = Location.symbol_rloc () in |
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248 | check_symbol loc ("type " ^ $1) type_table (Tydec_const $1); $2 (Tydec_const $1) } |
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249 | 22fe1c93 | ploc | | TBOOL TCLOCK { Tydec_clock Tydec_bool } |

250 | | IDENT TCLOCK { Tydec_clock (Tydec_const $1) } |
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251 | |||

252 | tag_list: |
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253 | IDENT |
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254 | 3826f8cb | ploc | { let loc = Location.symbol_rloc () in |

255 | (fun t -> |
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256 | add_symbol loc ("tag " ^ $1) tag_table $1 t; $1 :: []) } |
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257 | 22fe1c93 | ploc | | tag_list COMMA IDENT |

258 | 3826f8cb | ploc | { |

259 | let loc = Location.symbol_rloc () in |
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260 | (fun t -> add_symbol loc ("tag " ^ $3)tag_table $3 t; $3 :: ($1 t)) |
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261 | } |
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262 | |||

263 | 22fe1c93 | ploc | field_list: |

264 | 6a6abd76 | xthirioux | { (fun t -> []) } |

265 | | field_list IDENT COL typeconst SCOL |
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266 | 3826f8cb | ploc | { |

267 | let loc = Location.symbol_rloc () in |
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268 | (fun t -> add_symbol loc ("field " ^ $2) field_table $2 t; ($1 t) @ [ ($2, $4) ]) } |
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269 | |||

270 | 22fe1c93 | ploc | eq_list: |

271 | { [], [], [] } |
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272 | | eq eq_list {let eql, assertl, annotl = $2 in ($1::eql), assertl, annotl} |
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273 | | assert_ eq_list {let eql, assertl, annotl = $2 in eql, ($1::assertl), annotl} |
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274 | 01c7d5e1 | ploc | | ANNOT eq_list {let eql, assertl, annotl = $2 in eql, assertl, $1::annotl} |

275 | 22fe1c93 | ploc | | automaton eq_list {let eql, assertl, annotl = $2 in ($1::eql), assertl, annotl} |

276 | |||

277 | automaton: |
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278 | AUTOMATON IDENT handler_list { failwith "not implemented" } |
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279 | |||

280 | handler_list: |
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281 | { [] } |
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282 | | handler handler_list { $1::$2 } |
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283 | |||

284 | handler: |
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285 | STATE IDENT ARROW unless_list locals LET eq_list TEL until_list { () } |
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286 | |||

287 | unless_list: |
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288 | { [] } |
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289 | | unless unless_list { $1::$2 } |
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290 | |||

291 | until_list: |
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292 | { [] } |
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293 | | until until_list { $1::$2 } |
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294 | |||

295 | unless: |
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296 | UNLESS expr RESTART IDENT { } |
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297 | | UNLESS expr RESUME IDENT { } |
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298 | |||

299 | until: |
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300 | UNTIL expr RESTART IDENT { } |
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301 | | UNTIL expr RESUME IDENT { } |
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302 | |||

303 | assert_: |
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304 | | ASSERT expr SCOL {mkassert ($2)} |
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305 | |||

306 | eq: |
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307 | ident_list EQ expr SCOL {mkeq (List.rev $1,$3)} |
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308 | | LPAR ident_list RPAR EQ expr SCOL {mkeq (List.rev $2,$5)} |
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309 | |||

310 | 01c7d5e1 | ploc | lustre_spec: |

311 | | contract EOF { $1 } |
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312 | |||

313 | contract: |
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314 | requires ensures behaviors { { requires = $1; ensures = $2; behaviors = $3; spec_loc = get_loc () } } |
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315 | |||

316 | requires: |
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317 | { [] } |
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318 | | REQUIRES qexpr SCOL requires { $2::$4 } |
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319 | |||

320 | ensures: |
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321 | { [] } |
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322 | | ENSURES qexpr SCOL ensures { $2 :: $4 } |
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323 | | OBSERVER IDENT LPAR tuple_expr RPAR SCOL ensures { |
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324 | mkeexpr (mkexpr ((Expr_appl ($2, mkexpr (Expr_tuple $4), None)))) :: $7 |
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325 | } |
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326 | |||

327 | behaviors: |
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328 | { [] } |
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329 | | BEHAVIOR IDENT COL assumes ensures behaviors { ($2,$4,$5,get_loc ())::$6 } |
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330 | |||

331 | assumes: |
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332 | { [] } |
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333 | | ASSUMES qexpr SCOL assumes { $2::$4 } |
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334 | |||

335 | 44bea83a | xthirioux | /* WARNING: UNUSED RULES */ |

336 | 01c7d5e1 | ploc | tuple_qexpr: |

337 | | qexpr COMMA qexpr {[$3;$1]} |
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338 | | tuple_qexpr COMMA qexpr {$3::$1} |
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339 | |||

340 | qexpr: |
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341 | | expr { mkeexpr $1 } |
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342 | /* Quantifiers */ |
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343 | | EXISTS vdecl SCOL qexpr %prec prec_exists { extend_eexpr [Exists, $2] $4 } |
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344 | | FORALL vdecl SCOL qexpr %prec prec_forall { extend_eexpr [Forall, $2] $4 } |
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345 | |||

346 | |||

347 | 22fe1c93 | ploc | tuple_expr: |

348 | expr COMMA expr {[$3;$1]} |
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349 | | tuple_expr COMMA expr {$3::$1} |
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350 | |||

351 | // Same as tuple expr but accepting lists with single element |
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352 | array_expr: |
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353 | expr {[$1]} |
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354 | | expr COMMA array_expr {$1::$3} |
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355 | |||

356 | dim_list: |
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357 | dim RBRACKET { fun base -> mkexpr (Expr_access (base, $1)) } |
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358 | | dim RBRACKET LBRACKET dim_list { fun base -> $4 (mkexpr (Expr_access (base, $1))) } |
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359 | |||

360 | expr: |
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361 | /* constants */ |
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362 | INT {mkexpr (Expr_const (Const_int $1))} |
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363 | | REAL {mkexpr (Expr_const (Const_real $1))} |
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364 | | FLOAT {mkexpr (Expr_const (Const_float $1))} |
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365 | /* Idents or type enum tags */ |
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366 | | IDENT { |
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367 | if Hashtbl.mem tag_table $1 |
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368 | then mkexpr (Expr_const (Const_tag $1)) |
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369 | else mkexpr (Expr_ident $1)} |
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370 | | LPAR ANNOT expr RPAR |
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371 | {update_expr_annot $3 $2} |
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372 | | LPAR expr RPAR |
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373 | {$2} |
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374 | | LPAR tuple_expr RPAR |
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375 | {mkexpr (Expr_tuple (List.rev $2))} |
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376 | |||

377 | /* Array expressions */ |
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378 | | LBRACKET array_expr RBRACKET { mkexpr (Expr_array $2) } |
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379 | | expr POWER dim { mkexpr (Expr_power ($1, $3)) } |
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380 | | expr LBRACKET dim_list { $3 $1 } |
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381 | |||

382 | /* Temporal operators */ |
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383 | | PRE expr |
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384 | {mkexpr (Expr_pre $2)} |
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385 | | expr ARROW expr |
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386 | {mkexpr (Expr_arrow ($1,$3))} |
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387 | | expr FBY expr |
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388 | {(*mkexpr (Expr_fby ($1,$3))*) |
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389 | mkexpr (Expr_arrow ($1, mkexpr (Expr_pre $3)))} |
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390 | | expr WHEN IDENT |
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391 | {mkexpr (Expr_when ($1,$3,tag_true))} |
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392 | | expr WHENNOT IDENT |
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393 | {mkexpr (Expr_when ($1,$3,tag_false))} |
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394 | | expr WHEN IDENT LPAR IDENT RPAR |
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395 | {mkexpr (Expr_when ($1, $5, $3))} |
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396 | | MERGE IDENT handler_expr_list |
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397 | {mkexpr (Expr_merge ($2,$3))} |
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398 | |||

399 | /* Applications */ |
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400 | | IDENT LPAR expr RPAR |
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401 | {mkexpr (Expr_appl ($1, $3, None))} |
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402 | | IDENT LPAR expr RPAR EVERY IDENT |
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403 | {mkexpr (Expr_appl ($1, $3, Some ($6, tag_true)))} |
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404 | | IDENT LPAR expr RPAR EVERY IDENT LPAR IDENT RPAR |
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405 | {mkexpr (Expr_appl ($1, $3, Some ($8, $6))) } |
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406 | | IDENT LPAR tuple_expr RPAR |
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407 | {mkexpr (Expr_appl ($1, mkexpr (Expr_tuple (List.rev $3)), None))} |
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408 | | IDENT LPAR tuple_expr RPAR EVERY IDENT |
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409 | {mkexpr (Expr_appl ($1, mkexpr (Expr_tuple (List.rev $3)), Some ($6, tag_true))) } |
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410 | | IDENT LPAR tuple_expr RPAR EVERY IDENT LPAR IDENT RPAR |
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411 | {mkexpr (Expr_appl ($1, mkexpr (Expr_tuple (List.rev $3)), Some ($8, $6))) } |
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412 | |||

413 | /* Boolean expr */ |
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414 | | expr AND expr |
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415 | {mkpredef_call "&&" [$1;$3]} |
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416 | | expr AMPERAMPER expr |
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417 | {mkpredef_call "&&" [$1;$3]} |
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418 | | expr OR expr |
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419 | {mkpredef_call "||" [$1;$3]} |
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420 | | expr BARBAR expr |
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421 | {mkpredef_call "||" [$1;$3]} |
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422 | | expr XOR expr |
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423 | {mkpredef_call "xor" [$1;$3]} |
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424 | | NOT expr |
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425 | b616fe7a | xthirioux | {mkpredef_call "not" [$2]} |

426 | 22fe1c93 | ploc | | expr IMPL expr |

427 | {mkpredef_call "impl" [$1;$3]} |
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428 | |||

429 | /* Comparison expr */ |
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430 | | expr EQ expr |
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431 | {mkpredef_call "=" [$1;$3]} |
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432 | | expr LT expr |
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433 | {mkpredef_call "<" [$1;$3]} |
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434 | | expr LTE expr |
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435 | {mkpredef_call "<=" [$1;$3]} |
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436 | | expr GT expr |
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437 | {mkpredef_call ">" [$1;$3]} |
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438 | | expr GTE expr |
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439 | {mkpredef_call ">=" [$1;$3]} |
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440 | | expr NEQ expr |
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441 | {mkpredef_call "!=" [$1;$3]} |
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442 | |||

443 | /* Arithmetic expr */ |
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444 | | expr PLUS expr |
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445 | {mkpredef_call "+" [$1;$3]} |
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446 | | expr MINUS expr |
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447 | {mkpredef_call "-" [$1;$3]} |
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448 | | expr MULT expr |
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449 | {mkpredef_call "*" [$1;$3]} |
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450 | | expr DIV expr |
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451 | {mkpredef_call "/" [$1;$3]} |
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452 | | MINUS expr %prec UMINUS |
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453 | b616fe7a | xthirioux | {mkpredef_call "uminus" [$2]} |

454 | 22fe1c93 | ploc | | expr MOD expr |

455 | {mkpredef_call "mod" [$1;$3]} |
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456 | |||

457 | /* If */ |
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458 | | IF expr THEN expr ELSE expr |
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459 | {mkexpr (Expr_ite ($2, $4, $6))} |
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460 | |||

461 | handler_expr_list: |
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462 | { [] } |
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463 | | handler_expr handler_expr_list { $1 :: $2 } |
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464 | |||

465 | handler_expr: |
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466 | LPAR IDENT ARROW expr RPAR { ($2, $4) } |
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467 | |||

468 | signed_const_array: |
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469 | | signed_const { [$1] } |
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470 | | signed_const COMMA signed_const_array { $1 :: $3 } |
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471 | |||

472 | 12af4908 | xthirioux | signed_const_struct: |

473 | | IDENT EQ signed_const { [ ($1, $3) ] } |
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474 | | IDENT EQ signed_const COMMA signed_const_struct { ($1, $3) :: $5 } |
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475 | |||

476 | 22fe1c93 | ploc | signed_const: |

477 | INT {Const_int $1} |
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478 | | REAL {Const_real $1} |
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479 | | FLOAT {Const_float $1} |
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480 | | IDENT {Const_tag $1} |
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481 | | MINUS INT {Const_int (-1 * $2)} |
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482 | | MINUS REAL {Const_real ("-" ^ $2)} |
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483 | | MINUS FLOAT {Const_float (-1. *. $2)} |
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484 | 12af4908 | xthirioux | | LCUR signed_const_struct RCUR { Const_struct $2 } |

485 | 22fe1c93 | ploc | | LBRACKET signed_const_array RBRACKET { Const_array $2 } |

486 | |||

487 | dim: |
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488 | INT { mkdim_int $1 } |
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489 | | LPAR dim RPAR { $2 } |
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490 | | IDENT { mkdim_ident $1 } |
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491 | | dim AND dim |
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492 | {mkdim_appl "&&" [$1;$3]} |
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493 | | dim AMPERAMPER dim |
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494 | {mkdim_appl "&&" [$1;$3]} |
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495 | | dim OR dim |
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496 | {mkdim_appl "||" [$1;$3]} |
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497 | | dim BARBAR dim |
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498 | {mkdim_appl "||" [$1;$3]} |
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499 | | dim XOR dim |
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500 | {mkdim_appl "xor" [$1;$3]} |
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501 | | NOT dim |
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502 | {mkdim_appl "not" [$2]} |
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503 | | dim IMPL dim |
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504 | {mkdim_appl "impl" [$1;$3]} |
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505 | |||

506 | /* Comparison dim */ |
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507 | | dim EQ dim |
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508 | {mkdim_appl "=" [$1;$3]} |
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509 | | dim LT dim |
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510 | {mkdim_appl "<" [$1;$3]} |
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511 | | dim LTE dim |
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512 | {mkdim_appl "<=" [$1;$3]} |
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513 | | dim GT dim |
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514 | {mkdim_appl ">" [$1;$3]} |
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515 | | dim GTE dim |
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516 | {mkdim_appl ">=" [$1;$3]} |
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517 | | dim NEQ dim |
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518 | {mkdim_appl "!=" [$1;$3]} |
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519 | |||

520 | /* Arithmetic dim */ |
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521 | | dim PLUS dim |
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522 | {mkdim_appl "+" [$1;$3]} |
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523 | | dim MINUS dim |
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524 | {mkdim_appl "-" [$1;$3]} |
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525 | | dim MULT dim |
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526 | {mkdim_appl "*" [$1;$3]} |
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527 | | dim DIV dim |
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528 | {mkdim_appl "/" [$1;$3]} |
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529 | | MINUS dim %prec UMINUS |
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530 | {mkdim_appl "uminus" [$2]} |
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531 | | dim MOD dim |
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532 | {mkdim_appl "mod" [$1;$3]} |
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533 | /* If */ |
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534 | | IF dim THEN dim ELSE dim |
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535 | {mkdim_ite $2 $4 $6} |
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536 | |||

537 | locals: |
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538 | {[]} |
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539 | | VAR vdecl_list SCOL {$2} |
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540 | |||

541 | vdecl_list: |
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542 | vdecl {$1} |
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543 | | vdecl_list SCOL vdecl {$3 @ $1} |
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544 | |||

545 | vdecl: |
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546 | /* Useless no ?*/ ident_list |
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547 | {List.map mkvar_decl |
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548 | (List.map (fun id -> (id, mktyp Tydec_any, mkclock Ckdec_any, false)) $1)} |
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549 | |||

550 | | ident_list COL typeconst clock |
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551 | {List.map mkvar_decl (List.map (fun id -> (id, mktyp $3, $4, false)) $1)} |
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552 | | CONST ident_list COL typeconst /* static parameters don't have clocks */ |
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553 | {List.map mkvar_decl (List.map (fun id -> (id, mktyp $4, mkclock Ckdec_any, true)) $2)} |
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554 | |||

555 | cdecl_list: |
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556 | cdecl SCOL { [$1] } |
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557 | | cdecl_list cdecl SCOL { $2::$1 } |
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558 | |||

559 | cdecl: |
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560 | IDENT EQ signed_const { |
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561 | let c = { |
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562 | const_id = $1; |
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563 | const_loc = Location.symbol_rloc (); |
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564 | const_type = Types.new_var (); |
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565 | const_value = $3; |
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566 | } in |
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567 | Hashtbl.add consts_table $1 c; c |
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568 | } |
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569 | |||

570 | clock: |
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571 | {mkclock Ckdec_any} |
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572 | | when_list |
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573 | {mkclock (Ckdec_bool (List.rev $1))} |
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574 | |||

575 | when_cond: |
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576 | WHEN IDENT {($2, tag_true)} |
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577 | | WHENNOT IDENT {($2, tag_false)} |
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578 | | WHEN IDENT LPAR IDENT RPAR {($4, $2)} |
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579 | |||

580 | when_list: |
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581 | when_cond {[$1]} |
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582 | | when_list when_cond {$2::$1} |
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583 | |||

584 | ident_list: |
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585 | IDENT {[$1]} |
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586 | | ident_list COMMA IDENT {$3::$1} |
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587 | |||

588 | SCOL_opt: |
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589 | SCOL {} | {} |
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590 | 01c7d5e1 | ploc | |

591 | |||

592 | lustre_annot: |
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593 | lustre_annot_list EOF { { annots = $1; annot_loc = get_loc () } } |
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594 | |||

595 | lustre_annot_list: |
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596 | { [] } |
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597 | | kwd COL qexpr SCOL lustre_annot_list { ($1,$3)::$5 } |
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598 | | IDENT COL qexpr SCOL lustre_annot_list { ([$1],$3)::$5 } |
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599 | | INVARIANT COL qexpr SCOL lustre_annot_list{ (["invariant"],$3)::$5 } |
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600 | | OBSERVER COL qexpr SCOL lustre_annot_list { (["observer"],$3)::$5 } |
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601 | |||

602 | kwd: |
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603 | DIV { [] } |
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604 | | DIV IDENT kwd { $2::$3} |
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605 | |||

606 | %% |
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607 | (* Local Variables: *) |
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608 | (* compile-command:"make -C .." *) |
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609 | (* End: *) |
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610 |