## lustrec / src / parser_lustre.mly @ d50b0dc0

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1 | e2068500 | Temesghen Kahsai | /********************************************************************/ |
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2 | /* */ |
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3 | /* The LustreC compiler toolset / The LustreC Development Team */ |
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4 | /* Copyright 2012 - -- ONERA - CNRS - INPT */ |
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5 | /* */ |
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6 | /* LustreC is free software, distributed WITHOUT ANY WARRANTY */ |
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7 | /* under the terms of the GNU Lesser General Public License */ |
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8 | /* version 2.1. */ |
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9 | /* */ |
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10 | /********************************************************************/ |
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11 | |||

12 | %{ |
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13 | open Utils |
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14 | open LustreSpec |
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15 | open Corelang |
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16 | open Dimension |
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17 | open Parse |
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18 | |||

19 | let get_loc () = Location.symbol_rloc () |
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20 | |||

21 | let mktyp x = mktyp (get_loc ()) x |
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22 | let mkclock x = mkclock (get_loc ()) x |
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23 | let mkvar_decl x = mkvar_decl (get_loc ()) ~orig:true x |
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24 | let mkexpr x = mkexpr (get_loc ()) x |
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25 | let mkeexpr x = mkeexpr (get_loc ()) x |
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26 | let mkeq x = mkeq (get_loc ()) x |
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27 | let mkassert x = mkassert (get_loc ()) x |
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28 | let mktop_decl itf x = mktop_decl (get_loc ()) (Location.get_module ()) itf x |
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29 | let mkpredef_call x = mkpredef_call (get_loc ()) x |
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30 | (*let mkpredef_unary_call x = mkpredef_unary_call (get_loc ()) x*) |
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31 | |||

32 | let mkdim_int i = mkdim_int (get_loc ()) i |
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33 | let mkdim_bool b = mkdim_bool (get_loc ()) b |
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34 | let mkdim_ident id = mkdim_ident (get_loc ()) id |
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35 | let mkdim_appl f args = mkdim_appl (get_loc ()) f args |
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36 | let mkdim_ite i t e = mkdim_ite (get_loc ()) i t e |
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37 | |||

38 | let mkannots annots = { annots = annots; annot_loc = get_loc () } |
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39 | |||

40 | let node_stack : ident list ref = ref [] |
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41 | let debug_calls () = Format.eprintf "call stack: %a@.@?" (Utils.fprintf_list ~sep:", " Format.pp_print_string) !node_stack |
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42 | let push_node nd = node_stack:= nd :: !node_stack |
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43 | let pop_node () = try node_stack := List.tl !node_stack with _ -> assert false |
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44 | let get_current_node () = try List.hd !node_stack with _ -> assert false |
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45 | |||

46 | d50b0dc0 | Temesghen Kahsai | let rec fby expr n init = |

47 | if n<=1 then |
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48 | mkexpr (Expr_arrow (init, mkexpr (Expr_pre expr))) |
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49 | else |
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50 | mkexpr (Expr_arrow (init, mkexpr (Expr_pre (fby expr (n-1) init)))) |
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51 | |||

52 | e2068500 | Temesghen Kahsai | %} |

53 | |||

54 | %token <int> INT |
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55 | %token <string> REAL |
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56 | %token <float> FLOAT |
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57 | %token <string> STRING |
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58 | %token AUTOMATON STATE UNTIL UNLESS RESTART RESUME LAST |
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59 | %token STATELESS ASSERT OPEN QUOTE FUNCTION |
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60 | %token <string> IDENT |
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61 | %token <string> UIDENT |
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62 | %token TRUE FALSE |
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63 | %token <LustreSpec.expr_annot> ANNOT |
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64 | %token <LustreSpec.node_annot> NODESPEC |
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65 | %token LBRACKET RBRACKET LCUR RCUR LPAR RPAR SCOL COL COMMA COLCOL |
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66 | %token AMPERAMPER BARBAR NOT POWER |
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67 | %token IF THEN ELSE |
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68 | %token UCLOCK DCLOCK PHCLOCK TAIL |
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69 | %token MERGE FBY WHEN WHENNOT EVERY |
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70 | %token NODE LET TEL RETURNS VAR IMPORTED SENSOR ACTUATOR WCET TYPE CONST |
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71 | %token STRUCT ENUM |
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72 | %token TINT TFLOAT TREAL TBOOL TCLOCK |
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73 | %token RATE DUE |
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74 | %token EQ LT GT LTE GTE NEQ |
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75 | %token AND OR XOR IMPL |
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76 | %token MULT DIV MOD |
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77 | %token MINUS PLUS UMINUS |
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78 | %token PRE ARROW |
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79 | %token REQUIRES ENSURES OBSERVER |
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80 | %token INVARIANT BEHAVIOR ASSUMES |
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81 | %token EXISTS FORALL |
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82 | %token PROTOTYPE LIB |
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83 | %token EOF |
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84 | |||

85 | %nonassoc prec_exists prec_forall |
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86 | %nonassoc COMMA |
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87 | %nonassoc EVERY |
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88 | %left MERGE IF |
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89 | %nonassoc ELSE |
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90 | %right ARROW FBY |
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91 | %left WHEN WHENNOT UCLOCK DCLOCK PHCLOCK |
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92 | %right COLCOL |
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93 | %right IMPL |
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94 | %left OR XOR BARBAR |
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95 | %left AND AMPERAMPER |
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96 | %left NOT |
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97 | %nonassoc INT |
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98 | %nonassoc EQ LT GT LTE GTE NEQ |
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99 | %left MINUS PLUS |
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100 | %left MULT DIV MOD |
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101 | %left UMINUS |
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102 | %left POWER |
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103 | %left PRE LAST |
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104 | %nonassoc RBRACKET |
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105 | %nonassoc LBRACKET |
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106 | |||

107 | %start prog |
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108 | %type <LustreSpec.top_decl list> prog |
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109 | |||

110 | %start header |
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111 | %type <LustreSpec.top_decl list> header |
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112 | |||

113 | %start lustre_annot |
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114 | %type <LustreSpec.expr_annot> lustre_annot |
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115 | |||

116 | %start lustre_spec |
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117 | %type <LustreSpec.node_annot> lustre_spec |
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118 | |||

119 | %% |
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120 | |||

121 | module_ident: |
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122 | UIDENT { $1 } |
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123 | | IDENT { $1 } |
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124 | |||

125 | tag_ident: |
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126 | UIDENT { $1 } |
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127 | | TRUE { tag_true } |
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128 | | FALSE { tag_false } |
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129 | |||

130 | node_ident: |
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131 | UIDENT { $1 } |
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132 | | IDENT { $1 } |
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133 | |||

134 | node_ident_decl: |
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135 | node_ident { push_node $1; $1 } |
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136 | |||

137 | vdecl_ident: |
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138 | UIDENT { $1 } |
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139 | | IDENT { $1 } |
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140 | |||

141 | const_ident: |
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142 | UIDENT { $1 } |
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143 | | IDENT { $1 } |
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144 | |||

145 | type_ident: |
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146 | IDENT { $1 } |
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147 | |||

148 | prog: |
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149 | open_list typ_def_prog top_decl_list EOF { $1 @ $2 @ (List.rev $3) } |
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150 | |||

151 | typ_def_prog: |
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152 | typ_def_list { $1 false } |
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153 | |||

154 | header: |
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155 | open_list typ_def_header top_decl_header_list EOF { $1 @ $2 @ (List.rev $3) } |
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156 | |||

157 | typ_def_header: |
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158 | typ_def_list { $1 true } |
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159 | |||

160 | open_list: |
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161 | { [] } |
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162 | | open_lusi open_list { $1 :: $2 } |
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163 | |||

164 | open_lusi: |
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165 | | OPEN QUOTE module_ident QUOTE { mktop_decl false (Open (true, $3))} |
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166 | | OPEN LT module_ident GT { mktop_decl false (Open (false, $3)) } |
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167 | |||

168 | top_decl_list: |
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169 | {[]} |
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170 | | top_decl_list top_decl {$2@$1} |
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171 | |||

172 | |||

173 | top_decl_header_list: |
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174 | { [] } |
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175 | | top_decl_header_list top_decl_header { $2@$1 } |
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176 | |||

177 | state_annot: |
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178 | FUNCTION { true } |
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179 | | NODE { false } |
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180 | |||

181 | top_decl_header: |
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182 | | CONST cdecl_list { List.rev ($2 true) } |
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183 | | nodespec_list state_annot node_ident LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR prototype_opt in_lib_opt SCOL |
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184 | {let nd = mktop_decl true (ImportedNode |
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185 | {nodei_id = $3; |
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186 | nodei_type = Types.new_var (); |
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187 | nodei_clock = Clocks.new_var true; |
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188 | nodei_inputs = List.rev $5; |
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189 | nodei_outputs = List.rev $10; |
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190 | nodei_stateless = $2; |
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191 | nodei_spec = $1; |
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192 | nodei_prototype = $13; |
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193 | nodei_in_lib = $14;}) |
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194 | in |
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195 | (*add_imported_node $3 nd;*) [nd] } |
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196 | |||

197 | prototype_opt: |
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198 | { None } |
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199 | | PROTOTYPE node_ident { Some $2} |
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200 | |||

201 | in_lib_opt: |
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202 | { None } |
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203 | | LIB module_ident {Some $2} |
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204 | |||

205 | top_decl: |
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206 | | CONST cdecl_list { List.rev ($2 false) } |
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207 | | nodespec_list state_annot node_ident_decl LPAR vdecl_list SCOL_opt RPAR RETURNS LPAR vdecl_list SCOL_opt RPAR SCOL_opt locals LET stmt_list TEL |
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208 | { |
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209 | let stmts, asserts, annots = $16 in |
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210 | (* Declaring eqs annots *) |
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211 | List.iter (fun ann -> |
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212 | List.iter (fun (key, _) -> |
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213 | Annotations.add_node_ann $3 key |
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214 | ) ann.annots |
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215 | ) annots; |
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216 | (* Building the node *) |
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217 | let nd = mktop_decl false (Node |
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218 | {node_id = $3; |
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219 | node_type = Types.new_var (); |
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220 | node_clock = Clocks.new_var true; |
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221 | node_inputs = List.rev $5; |
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222 | node_outputs = List.rev $10; |
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223 | node_locals = List.rev $14; |
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224 | node_gencalls = []; |
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225 | node_checks = []; |
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226 | node_asserts = asserts; |
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227 | node_stmts = stmts; |
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228 | node_dec_stateless = $2; |
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229 | node_stateless = None; |
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230 | node_spec = $1; |
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231 | node_annot = annots}) |
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232 | in |
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233 | pop_node (); |
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234 | (*add_node $3 nd;*) [nd] } |
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235 | |||

236 | nodespec_list: |
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237 | { None } |
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238 | | NODESPEC nodespec_list { |
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239 | (function |
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240 | | None -> (fun s1 -> Some s1) |
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241 | | Some s2 -> (fun s1 -> Some (merge_node_annot s1 s2))) $2 $1 } |
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242 | |||

243 | typ_def_list: |
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244 | /* empty */ { (fun itf -> []) } |
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245 | | typ_def SCOL typ_def_list { (fun itf -> let ty1 = ($1 itf) in ty1 :: ($3 itf)) } |
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246 | |||

247 | typ_def: |
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248 | TYPE type_ident EQ typ_def_rhs { (fun itf -> |
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249 | let typ = mktop_decl itf (TypeDef { tydef_id = $2; |
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250 | tydef_desc = $4 |
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251 | }) |
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252 | in (*add_type itf $2 typ;*) typ) } |
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253 | |||

254 | typ_def_rhs: |
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255 | typeconst { $1 } |
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256 | | ENUM LCUR tag_list RCUR { Tydec_enum (List.rev $3) } |
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257 | | STRUCT LCUR field_list RCUR { Tydec_struct (List.rev $3) } |
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258 | |||

259 | array_typ_decl: |
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260 | { fun typ -> typ } |
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261 | | POWER dim array_typ_decl { fun typ -> $3 (Tydec_array ($2, typ)) } |
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262 | |||

263 | typeconst: |
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264 | TINT array_typ_decl { $2 Tydec_int } |
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265 | | TBOOL array_typ_decl { $2 Tydec_bool } |
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266 | | TREAL array_typ_decl { $2 Tydec_real } |
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267 | | TFLOAT array_typ_decl { $2 Tydec_float } |
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268 | | type_ident array_typ_decl { $2 (Tydec_const $1) } |
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269 | | TBOOL TCLOCK { Tydec_clock Tydec_bool } |
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270 | | IDENT TCLOCK { Tydec_clock (Tydec_const $1) } |
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271 | |||

272 | tag_list: |
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273 | UIDENT { $1 :: [] } |
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274 | | tag_list COMMA UIDENT { $3 :: $1 } |
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275 | |||

276 | field_list: { [] } |
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277 | | field_list IDENT COL typeconst SCOL { ($2, $4) :: $1 } |
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278 | |||

279 | stmt_list: |
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280 | { [], [], [] } |
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281 | | eq stmt_list {let eql, assertl, annotl = $2 in ((Eq $1)::eql), assertl, annotl} |
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282 | | assert_ stmt_list {let eql, assertl, annotl = $2 in eql, ($1::assertl), annotl} |
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283 | | ANNOT stmt_list {let eql, assertl, annotl = $2 in eql, assertl, $1::annotl} |
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284 | | automaton stmt_list {let eql, assertl, annotl = $2 in ((Aut $1)::eql), assertl, annotl} |
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285 | |||

286 | automaton: |
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287 | AUTOMATON type_ident handler_list { Automata.mkautomata (get_loc ()) $2 $3 } |
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288 | |||

289 | handler_list: |
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290 | { [] } |
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291 | | handler handler_list { $1::$2 } |
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292 | |||

293 | handler: |
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294 | STATE UIDENT COL unless_list locals LET stmt_list TEL until_list { Automata.mkhandler (get_loc ()) $2 $4 $9 $5 $7 } |
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295 | |||

296 | unless_list: |
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297 | { [] } |
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298 | | unless unless_list { $1::$2 } |
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299 | |||

300 | until_list: |
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301 | { [] } |
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302 | | until until_list { $1::$2 } |
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303 | |||

304 | unless: |
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305 | UNLESS expr RESTART UIDENT { (get_loc (), $2, true, $4) } |
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306 | | UNLESS expr RESUME UIDENT { (get_loc (), $2, false, $4) } |
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307 | |||

308 | until: |
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309 | UNTIL expr RESTART UIDENT { (get_loc (), $2, true, $4) } |
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310 | | UNTIL expr RESUME UIDENT { (get_loc (), $2, false, $4) } |
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311 | |||

312 | assert_: |
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313 | | ASSERT expr SCOL {mkassert ($2)} |
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314 | |||

315 | eq: |
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316 | ident_list EQ expr SCOL {mkeq (List.rev $1,$3)} |
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317 | | LPAR ident_list RPAR EQ expr SCOL {mkeq (List.rev $2,$5)} |
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318 | |||

319 | lustre_spec: |
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320 | | contract EOF { $1 } |
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321 | |||

322 | contract: |
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323 | requires ensures behaviors { { requires = $1; ensures = $2; behaviors = $3; spec_loc = get_loc () } } |
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324 | |||

325 | requires: |
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326 | { [] } |
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327 | | REQUIRES qexpr SCOL requires { $2::$4 } |
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328 | |||

329 | ensures: |
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330 | { [] } |
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331 | | ENSURES qexpr SCOL ensures { $2 :: $4 } |
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332 | | OBSERVER node_ident LPAR tuple_expr RPAR SCOL ensures { |
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333 | mkeexpr (mkexpr ((Expr_appl ($2, mkexpr (Expr_tuple $4), None)))) :: $7 |
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334 | } |
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335 | |||

336 | behaviors: |
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337 | { [] } |
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338 | | BEHAVIOR IDENT COL assumes ensures behaviors { ($2,$4,$5,get_loc ())::$6 } |
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339 | |||

340 | assumes: |
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341 | { [] } |
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342 | | ASSUMES qexpr SCOL assumes { $2::$4 } |
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343 | |||

344 | /* WARNING: UNUSED RULES */ |
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345 | tuple_qexpr: |
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346 | | qexpr COMMA qexpr {[$3;$1]} |
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347 | | tuple_qexpr COMMA qexpr {$3::$1} |
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348 | |||

349 | qexpr: |
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350 | | expr { mkeexpr $1 } |
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351 | /* Quantifiers */ |
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352 | | EXISTS vdecl SCOL qexpr %prec prec_exists { extend_eexpr [Exists, $2] $4 } |
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353 | | FORALL vdecl SCOL qexpr %prec prec_forall { extend_eexpr [Forall, $2] $4 } |
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354 | |||

355 | |||

356 | tuple_expr: |
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357 | expr COMMA expr {[$3;$1]} |
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358 | | tuple_expr COMMA expr {$3::$1} |
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359 | |||

360 | // Same as tuple expr but accepting lists with single element |
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361 | array_expr: |
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362 | expr {[$1]} |
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363 | | expr COMMA array_expr {$1::$3} |
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364 | |||

365 | dim_list: |
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366 | dim RBRACKET { fun base -> mkexpr (Expr_access (base, $1)) } |
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367 | | dim RBRACKET LBRACKET dim_list { fun base -> $4 (mkexpr (Expr_access (base, $1))) } |
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368 | |||

369 | expr: |
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370 | /* constants */ |
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371 | INT {mkexpr (Expr_const (Const_int $1))} |
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372 | | REAL {mkexpr (Expr_const (Const_real $1))} |
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373 | | FLOAT {mkexpr (Expr_const (Const_float $1))} |
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374 | /* Idents or type enum tags */ |
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375 | | IDENT { mkexpr (Expr_ident $1) } |
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376 | | tag_ident { mkexpr (Expr_ident $1) (*(Expr_const (Const_tag $1))*) } |
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377 | | LPAR ANNOT expr RPAR |
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378 | {update_expr_annot (get_current_node ()) $3 $2} |
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379 | | LPAR expr RPAR |
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380 | {$2} |
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381 | | LPAR tuple_expr RPAR |
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382 | {mkexpr (Expr_tuple (List.rev $2))} |
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383 | |||

384 | /* Array expressions */ |
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385 | | LBRACKET array_expr RBRACKET { mkexpr (Expr_array $2) } |
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386 | | expr POWER dim { mkexpr (Expr_power ($1, $3)) } |
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387 | | expr LBRACKET dim_list { $3 $1 } |
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388 | |||

389 | /* Temporal operators */ |
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390 | | PRE expr |
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391 | {mkexpr (Expr_pre $2)} |
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392 | | expr ARROW expr |
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393 | {mkexpr (Expr_arrow ($1,$3))} |
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394 | | expr FBY expr |
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395 | {(*mkexpr (Expr_fby ($1,$3))*) |
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396 | mkexpr (Expr_arrow ($1, mkexpr (Expr_pre $3)))} |
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397 | | expr WHEN vdecl_ident |
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398 | {mkexpr (Expr_when ($1,$3,tag_true))} |
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399 | | expr WHENNOT vdecl_ident |
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400 | {mkexpr (Expr_when ($1,$3,tag_false))} |
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401 | | expr WHEN tag_ident LPAR vdecl_ident RPAR |
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402 | {mkexpr (Expr_when ($1, $5, $3))} |
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403 | | MERGE vdecl_ident handler_expr_list |
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404 | {mkexpr (Expr_merge ($2,$3))} |
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405 | |||

406 | /* Applications */ |
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407 | | node_ident LPAR expr RPAR |
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408 | {mkexpr (Expr_appl ($1, $3, None))} |
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409 | | node_ident LPAR expr RPAR EVERY expr |
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410 | {mkexpr (Expr_appl ($1, $3, Some $6))} |
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411 | | node_ident LPAR tuple_expr RPAR |
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412 | d50b0dc0 | Temesghen Kahsai | { |

413 | let id=$1 in |
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414 | let args=List.rev $3 in |
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415 | match id, args with |
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416 | | "fbyn", [expr;n;init] -> |
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417 | let n = match n.expr_desc with |
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418 | | Expr_const (Const_int n) -> n |
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419 | | _ -> assert false |
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420 | in |
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421 | fby expr n init |
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422 | | _ -> mkexpr (Expr_appl ($1, mkexpr (Expr_tuple args), None)) |
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423 | } |
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424 | e2068500 | Temesghen Kahsai | | node_ident LPAR tuple_expr RPAR EVERY expr |

425 | d50b0dc0 | Temesghen Kahsai | { |

426 | let id=$1 in |
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427 | let args=List.rev $3 in |
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428 | let clock=$6 in |
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429 | if id="fby" then |
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430 | assert false (* TODO Ca veut dire quoi fby (e,n,init) every c *) |
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431 | else |
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432 | mkexpr (Expr_appl (id, mkexpr (Expr_tuple args), Some clock)) |
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433 | } |
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434 | e2068500 | Temesghen Kahsai | |

435 | /* Boolean expr */ |
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436 | | expr AND expr |
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437 | {mkpredef_call "&&" [$1;$3]} |
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438 | | expr AMPERAMPER expr |
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439 | {mkpredef_call "&&" [$1;$3]} |
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440 | | expr OR expr |
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441 | {mkpredef_call "||" [$1;$3]} |
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442 | | expr BARBAR expr |
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443 | {mkpredef_call "||" [$1;$3]} |
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444 | | expr XOR expr |
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445 | {mkpredef_call "xor" [$1;$3]} |
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446 | | NOT expr |
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447 | {mkpredef_call "not" [$2]} |
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448 | | expr IMPL expr |
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449 | {mkpredef_call "impl" [$1;$3]} |
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450 | |||

451 | /* Comparison expr */ |
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452 | | expr EQ expr |
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453 | {mkpredef_call "=" [$1;$3]} |
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454 | | expr LT expr |
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455 | {mkpredef_call "<" [$1;$3]} |
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456 | | expr LTE expr |
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457 | {mkpredef_call "<=" [$1;$3]} |
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458 | | expr GT expr |
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459 | {mkpredef_call ">" [$1;$3]} |
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460 | | expr GTE expr |
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461 | {mkpredef_call ">=" [$1;$3]} |
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462 | | expr NEQ expr |
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463 | {mkpredef_call "!=" [$1;$3]} |
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464 | |||

465 | /* Arithmetic expr */ |
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466 | | expr PLUS expr |
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467 | {mkpredef_call "+" [$1;$3]} |
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468 | | expr MINUS expr |
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469 | {mkpredef_call "-" [$1;$3]} |
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470 | | expr MULT expr |
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471 | {mkpredef_call "*" [$1;$3]} |
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472 | | expr DIV expr |
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473 | {mkpredef_call "/" [$1;$3]} |
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474 | | MINUS expr %prec UMINUS |
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475 | {mkpredef_call "uminus" [$2]} |
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476 | | expr MOD expr |
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477 | {mkpredef_call "mod" [$1;$3]} |
||

478 | |||

479 | /* If */ |
||

480 | | IF expr THEN expr ELSE expr |
||

481 | {mkexpr (Expr_ite ($2, $4, $6))} |
||

482 | |||

483 | handler_expr_list: |
||

484 | { [] } |
||

485 | | handler_expr handler_expr_list { $1 :: $2 } |
||

486 | |||

487 | handler_expr: |
||

488 | LPAR tag_ident ARROW expr RPAR { ($2, $4) } |
||

489 | |||

490 | signed_const_array: |
||

491 | | signed_const { [$1] } |
||

492 | | signed_const COMMA signed_const_array { $1 :: $3 } |
||

493 | |||

494 | signed_const_struct: |
||

495 | | IDENT EQ signed_const { [ ($1, $3) ] } |
||

496 | | IDENT EQ signed_const COMMA signed_const_struct { ($1, $3) :: $5 } |
||

497 | |||

498 | signed_const: |
||

499 | INT {Const_int $1} |
||

500 | | REAL {Const_real $1} |
||

501 | | FLOAT {Const_float $1} |
||

502 | | tag_ident {Const_tag $1} |
||

503 | | MINUS INT {Const_int (-1 * $2)} |
||

504 | | MINUS REAL {Const_real ("-" ^ $2)} |
||

505 | | MINUS FLOAT {Const_float (-1. *. $2)} |
||

506 | | LCUR signed_const_struct RCUR { Const_struct $2 } |
||

507 | | LBRACKET signed_const_array RBRACKET { Const_array $2 } |
||

508 | |||

509 | dim: |
||

510 | INT { mkdim_int $1 } |
||

511 | | LPAR dim RPAR { $2 } |
||

512 | | UIDENT { mkdim_ident $1 } |
||

513 | | IDENT { mkdim_ident $1 } |
||

514 | | dim AND dim |
||

515 | {mkdim_appl "&&" [$1;$3]} |
||

516 | | dim AMPERAMPER dim |
||

517 | {mkdim_appl "&&" [$1;$3]} |
||

518 | | dim OR dim |
||

519 | {mkdim_appl "||" [$1;$3]} |
||

520 | | dim BARBAR dim |
||

521 | {mkdim_appl "||" [$1;$3]} |
||

522 | | dim XOR dim |
||

523 | {mkdim_appl "xor" [$1;$3]} |
||

524 | | NOT dim |
||

525 | {mkdim_appl "not" [$2]} |
||

526 | | dim IMPL dim |
||

527 | {mkdim_appl "impl" [$1;$3]} |
||

528 | |||

529 | /* Comparison dim */ |
||

530 | | dim EQ dim |
||

531 | {mkdim_appl "=" [$1;$3]} |
||

532 | | dim LT dim |
||

533 | {mkdim_appl "<" [$1;$3]} |
||

534 | | dim LTE dim |
||

535 | {mkdim_appl "<=" [$1;$3]} |
||

536 | | dim GT dim |
||

537 | {mkdim_appl ">" [$1;$3]} |
||

538 | | dim GTE dim |
||

539 | {mkdim_appl ">=" [$1;$3]} |
||

540 | | dim NEQ dim |
||

541 | {mkdim_appl "!=" [$1;$3]} |
||

542 | |||

543 | /* Arithmetic dim */ |
||

544 | | dim PLUS dim |
||

545 | {mkdim_appl "+" [$1;$3]} |
||

546 | | dim MINUS dim |
||

547 | {mkdim_appl "-" [$1;$3]} |
||

548 | | dim MULT dim |
||

549 | {mkdim_appl "*" [$1;$3]} |
||

550 | | dim DIV dim |
||

551 | {mkdim_appl "/" [$1;$3]} |
||

552 | | MINUS dim %prec UMINUS |
||

553 | {mkdim_appl "uminus" [$2]} |
||

554 | | dim MOD dim |
||

555 | {mkdim_appl "mod" [$1;$3]} |
||

556 | /* If */ |
||

557 | | IF dim THEN dim ELSE dim |
||

558 | {mkdim_ite $2 $4 $6} |
||

559 | |||

560 | locals: |
||

561 | {[]} |
||

562 | | VAR local_vdecl_list SCOL {$2} |
||

563 | |||

564 | vdecl_list: |
||

565 | vdecl {$1} |
||

566 | | vdecl_list SCOL vdecl {$3 @ $1} |
||

567 | |||

568 | vdecl: |
||

569 | ident_list COL typeconst clock |
||

570 | { List.map (fun id -> mkvar_decl (id, mktyp $3, $4, false, None)) $1 } |
||

571 | | CONST ident_list /* static parameters don't have clocks */ |
||

572 | { List.map (fun id -> mkvar_decl (id, mktyp Tydec_any, mkclock Ckdec_any, true, None)) $2 } |
||

573 | | CONST ident_list COL typeconst /* static parameters don't have clocks */ |
||

574 | { List.map (fun id -> mkvar_decl (id, mktyp $4, mkclock Ckdec_any, true, None)) $2 } |
||

575 | |||

576 | local_vdecl_list: |
||

577 | local_vdecl {$1} |
||

578 | | local_vdecl_list SCOL local_vdecl {$3 @ $1} |
||

579 | |||

580 | local_vdecl: |
||

581 | /* Useless no ?*/ ident_list |
||

582 | { List.map (fun id -> mkvar_decl (id, mktyp Tydec_any, mkclock Ckdec_any, false, None)) $1 } |
||

583 | | ident_list COL typeconst clock |
||

584 | { List.map (fun id -> mkvar_decl (id, mktyp $3, $4, false, None)) $1 } |
||

585 | | CONST vdecl_ident EQ expr /* static parameters don't have clocks */ |
||

586 | { [ mkvar_decl ($2, mktyp Tydec_any, mkclock Ckdec_any, true, Some $4) ] } |
||

587 | | CONST vdecl_ident COL typeconst EQ expr /* static parameters don't have clocks */ |
||

588 | { [ mkvar_decl ($2, mktyp $4, mkclock Ckdec_any, true, Some $6) ] } |
||

589 | |||

590 | cdecl_list: |
||

591 | cdecl SCOL { (fun itf -> [$1 itf]) } |
||

592 | | cdecl cdecl_list SCOL { (fun itf -> let c1 = ($1 itf) in c1::($2 itf)) } |
||

593 | |||

594 | cdecl: |
||

595 | const_ident EQ signed_const { |
||

596 | (fun itf -> |
||

597 | let c = mktop_decl itf (Const { |
||

598 | const_id = $1; |
||

599 | const_loc = Location.symbol_rloc (); |
||

600 | const_type = Types.new_var (); |
||

601 | const_value = $3}) |
||

602 | in |
||

603 | (*add_const itf $1 c;*) c) |
||

604 | } |
||

605 | |||

606 | clock: |
||

607 | {mkclock Ckdec_any} |
||

608 | | when_list |
||

609 | {mkclock (Ckdec_bool (List.rev $1))} |
||

610 | |||

611 | when_cond: |
||

612 | WHEN IDENT {($2, tag_true)} |
||

613 | | WHENNOT IDENT {($2, tag_false)} |
||

614 | | WHEN tag_ident LPAR IDENT RPAR {($4, $2)} |
||

615 | |||

616 | when_list: |
||

617 | when_cond {[$1]} |
||

618 | | when_list when_cond {$2::$1} |
||

619 | |||

620 | ident_list: |
||

621 | vdecl_ident {[$1]} |
||

622 | | ident_list COMMA vdecl_ident {$3::$1} |
||

623 | |||

624 | SCOL_opt: |
||

625 | SCOL {} | {} |
||

626 | |||

627 | |||

628 | lustre_annot: |
||

629 | lustre_annot_list EOF { { annots = $1; annot_loc = get_loc () } } |
||

630 | |||

631 | lustre_annot_list: |
||

632 | { [] } |
||

633 | | kwd COL qexpr SCOL lustre_annot_list { ($1,$3)::$5 } |
||

634 | | IDENT COL qexpr SCOL lustre_annot_list { ([$1],$3)::$5 } |
||

635 | | INVARIANT COL qexpr SCOL lustre_annot_list{ (["invariant"],$3)::$5 } |
||

636 | | OBSERVER COL qexpr SCOL lustre_annot_list { (["observer"],$3)::$5 } |
||

637 | |||

638 | kwd: |
||

639 | DIV { [] } |
||

640 | | DIV IDENT kwd { $2::$3} |
||

641 | |||

642 | %% |
||

643 | (* Local Variables: *) |
||

644 | (* compile-command:"make -C .." *) |
||

645 | (* End: *) |
||

646 | |||

647 |