## lustrec / src / parserLustreSpec.mly @ 22fe1c93

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1 | 22fe1c93 | ploc | %{ |
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2 | open Utils |
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3 | open Corelang |
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4 | open LustreSpec |
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5 | |||

6 | let mkeexpr x = mkeexpr (Location.symbol_rloc ()) x |
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7 | let mkepredef_call x = mkepredef_call (Location.symbol_rloc ()) x |
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8 | let mkepredef_unary_call x = mkepredef_unary_call (Location.symbol_rloc ()) x |
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9 | |||

10 | let mktyp x = mktyp (Location.symbol_rloc ()) x |
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11 | let mkvar_decl x = mkvar_decl (Location.symbol_rloc ()) x |
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12 | let mkclock x = mkclock (Location.symbol_rloc ()) x |
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13 | |||

14 | %} |
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15 | |||

16 | |||

17 | %token <int> INT |
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18 | %token <string> REAL |
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19 | %token <float> FLOAT |
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20 | %token <string> STRING |
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21 | %token TRUE FALSE STATELESS ASSERT INCLUDE QUOTE |
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22 | %token <string> IDENT |
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23 | %token LPAR RPAR SCOL COL COMMA COLCOL |
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24 | %token AMPERAMPER BARBAR NOT POWER |
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25 | %token IF THEN ELSE |
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26 | %token UCLOCK DCLOCK PHCLOCK TAIL |
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27 | %token MERGE FBY WHEN WHENNOT EVERY |
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28 | %token NODE LET TEL RETURNS VAR IMPORTED SENSOR ACTUATOR WCET TYPE CONST |
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29 | %token TINT TFLOAT TREAL TBOOL TCLOCK |
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30 | %token RATE DUE |
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31 | %token EQ LT GT LTE GTE NEQ |
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32 | %token AND OR XOR IMPL |
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33 | %token MULT DIV MOD |
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34 | %token MINUS PLUS UMINUS |
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35 | %token PRE ARROW |
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36 | %token EOF |
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37 | %token REQUIRES ENSURES OBSERVER |
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38 | %token INVARIANT BEHAVIOR ASSUMES |
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39 | %token EXISTS FORALL |
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40 | |||

41 | %nonassoc prec_exists prec_forall |
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42 | %nonassoc COMMA POWER |
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43 | %left MERGE IF |
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44 | %nonassoc ELSE |
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45 | %right ARROW FBY |
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46 | %left WHEN WHENNOT UCLOCK DCLOCK PHCLOCK |
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47 | %right COLCOL |
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48 | %right IMPL |
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49 | %left OR XOR BARBAR |
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50 | %left AND AMPERAMPER |
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51 | %left NOT |
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52 | %nonassoc EQ LT GT LTE GTE NEQ |
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53 | %left MINUS PLUS |
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54 | %left MULT DIV MOD |
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55 | %left PRE |
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56 | %nonassoc UMINUS |
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57 | |||

58 | %start lustre_annot |
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59 | %type <LustreSpec.expr_annot> lustre_annot |
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60 | |||

61 | %start lustre_spec |
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62 | %type <LustreSpec.node_annot> lustre_spec |
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63 | |||

64 | %% |
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65 | |||

66 | lustre_spec: |
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67 | | contract EOF { $1 } |
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68 | |||

69 | contract: |
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70 | requires ensures behaviors { { requires = $1; ensures = $2; behaviors = $3; } } |
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71 | |||

72 | requires: |
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73 | { [] } |
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74 | | REQUIRES expr SCOL requires { $2::$4 } |
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75 | |||

76 | ensures: |
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77 | { [] } |
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78 | | ENSURES expr SCOL ensures { (EnsuresExpr $2) :: $4 } |
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79 | | OBSERVER IDENT LPAR tuple_expr RPAR SCOL ensures { (SpecObserverNode($2,$4)) :: $7 } |
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80 | |||

81 | behaviors: |
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82 | { [] } |
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83 | | BEHAVIOR IDENT COL assumes ensures behaviors { ($2,$4,$5)::$6 } |
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84 | |||

85 | assumes: |
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86 | { [] } |
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87 | | ASSUMES expr SCOL assumes { $2::$4 } |
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88 | |||

89 | tuple_expr: |
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90 | | expr COMMA expr {[$3;$1]} |
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91 | | tuple_expr COMMA expr {$3::$1} |
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92 | |||

93 | expr: |
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94 | | const {mkeexpr (EExpr_const $1)} |
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95 | | IDENT |
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96 | {mkeexpr (EExpr_ident $1)} |
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97 | | LPAR expr RPAR |
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98 | {$2} |
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99 | | LPAR tuple_expr RPAR |
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100 | {mkeexpr (EExpr_tuple (List.rev $2))} |
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101 | | expr ARROW expr |
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102 | {mkeexpr (EExpr_arrow ($1,$3))} |
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103 | | expr FBY expr |
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104 | {mkeexpr (EExpr_fby ($1,$3))} |
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105 | | expr COLCOL expr |
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106 | {mkeexpr (EExpr_concat ($1,$3))} |
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107 | | TAIL LPAR expr RPAR |
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108 | {mkeexpr (EExpr_tail $3)} |
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109 | | expr WHEN IDENT |
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110 | {mkeexpr (EExpr_when ($1,$3))} |
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111 | | expr WHENNOT IDENT |
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112 | {mkeexpr (EExpr_whennot ($1,$3))} |
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113 | | MERGE LPAR IDENT COMMA expr COMMA expr RPAR |
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114 | {mkeexpr (EExpr_merge ($3,$5,$7))} |
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115 | | IDENT LPAR expr RPAR |
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116 | {mkeexpr (EExpr_appl ($1, $3, None))} |
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117 | | IDENT LPAR expr RPAR EVERY IDENT |
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118 | {mkeexpr (EExpr_appl ($1, $3, Some $6))} |
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119 | | IDENT LPAR tuple_expr RPAR |
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120 | {mkeexpr (EExpr_appl ($1, mkeexpr (EExpr_tuple (List.rev $3)), None))} |
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121 | | IDENT LPAR tuple_expr RPAR EVERY IDENT |
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122 | {mkeexpr (EExpr_appl ($1, mkeexpr (EExpr_tuple (List.rev $3)), Some $6)) } |
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123 | |||

124 | /* Boolean expr */ |
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125 | | expr AND expr |
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126 | {mkepredef_call "&&" [$1;$3]} |
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127 | | expr AMPERAMPER expr |
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128 | {mkepredef_call "&&" [$1;$3]} |
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129 | | expr OR expr |
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130 | {mkepredef_call "||" [$1;$3]} |
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131 | | expr BARBAR expr |
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132 | {mkepredef_call "||" [$1;$3]} |
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133 | | expr XOR expr |
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134 | {mkepredef_call "xor" [$1;$3]} |
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135 | | NOT expr |
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136 | {mkepredef_unary_call "not" $2} |
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137 | | expr IMPL expr |
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138 | {mkepredef_call "impl" [$1;$3]} |
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139 | |||

140 | /* Comparison expr */ |
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141 | | expr EQ expr |
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142 | {mkepredef_call "=" [$1;$3]} |
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143 | | expr LT expr |
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144 | {mkepredef_call "<" [$1;$3]} |
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145 | | expr LTE expr |
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146 | {mkepredef_call "<=" [$1;$3]} |
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147 | | expr GT expr |
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148 | {mkepredef_call ">" [$1;$3]} |
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149 | | expr GTE expr |
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150 | {mkepredef_call ">=" [$1;$3]} |
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151 | | expr NEQ expr |
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152 | {mkepredef_call "!=" [$1;$3]} |
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153 | |||

154 | /* Arithmetic expr */ |
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155 | | expr PLUS expr |
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156 | {mkepredef_call "+" [$1;$3]} |
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157 | | expr MINUS expr |
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158 | {mkepredef_call "-" [$1;$3]} |
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159 | | expr MULT expr |
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160 | {mkepredef_call "*" [$1;$3]} |
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161 | | expr DIV expr |
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162 | {mkepredef_call "/" [$1;$3]} |
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163 | | MINUS expr %prec UMINUS |
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164 | {mkepredef_unary_call "uminus" $2} |
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165 | | expr MOD expr |
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166 | {mkepredef_call "mod" [$1;$3]} |
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167 | |||

168 | /* Temp op */ |
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169 | | PRE expr |
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170 | {mkeexpr (EExpr_pre $2)} |
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171 | |||

172 | /* If */ |
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173 | | IF expr THEN expr ELSE expr |
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174 | {mkepredef_call "ite" [$2;$4;$6]} |
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175 | |||

176 | /* Quantifiers */ |
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177 | | EXISTS vdecl SCOL expr %prec prec_exists {mkeexpr (EExpr_exists ($2, $4))} |
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178 | | FORALL vdecl SCOL expr %prec prec_forall {mkeexpr (EExpr_forall ($2, $4))} |
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179 | |||

180 | vdecl: |
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181 | | ident_list COL typ clock |
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182 | {List.map mkvar_decl (List.map (fun id -> (id, $3, $4, false)) $1)} |
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183 | | CONST ident_list COL typ clock |
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184 | {List.map mkvar_decl (List.map (fun id -> (id, $4, $5, true)) $2)} |
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185 | |||

186 | |||

187 | ident_list: |
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188 | IDENT {[$1]} |
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189 | | ident_list COMMA IDENT {$3::$1} |
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190 | |||

191 | |||

192 | typ: |
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193 | {mktyp Tydec_any} |
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194 | | TINT {mktyp Tydec_int} |
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195 | | IDENT { |
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196 | try |
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197 | mktyp (Hashtbl.find Corelang.type_table (Tydec_const $1)) |
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198 | with Not_found -> raise (Corelang.Unbound_type ((Tydec_const $1),Location.symbol_rloc())) |
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199 | } |
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200 | | TFLOAT {mktyp Tydec_float} |
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201 | | TREAL {mktyp Tydec_real} |
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202 | | TBOOL {mktyp Tydec_bool} |
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203 | | TCLOCK {mktyp (Tydec_clock Tydec_bool) } |
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204 | | typ POWER INT {mktyp Tydec_any (*(mktyptuple $3 $1)*)} |
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205 | | typ POWER IDENT {mktyp Tydec_any (*(mktyptuple (try |
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206 | match get_const $3 with Const_int i -> i with _ -> failwith "Const power error") $1)*)} |
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207 | |||

208 | clock: |
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209 | {mkclock Ckdec_any} |
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210 | | when_list |
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211 | {mkclock (Ckdec_bool (List.rev $1))} |
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212 | |||

213 | when_cond: |
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214 | WHEN IDENT {($2, tag_true)} |
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215 | | WHENNOT IDENT {($2, tag_false)} |
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216 | |||

217 | when_list: |
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218 | when_cond {[$1]} |
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219 | | when_list when_cond {$2::$1} |
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220 | |||

221 | |||

222 | const: |
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223 | | INT {EConst_int $1} |
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224 | | REAL {EConst_real $1} |
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225 | | FLOAT {EConst_float $1} |
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226 | | TRUE {EConst_bool true} |
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227 | | FALSE {EConst_bool false} |
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228 | | STRING {EConst_string $1} |
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229 | |||

230 | lustre_annot: |
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231 | lustre_annot_list EOF { $1 } |
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232 | |||

233 | lustre_annot_list: |
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234 | { [] } |
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235 | | kwd COL expr SCOL lustre_annot_list { ($1,$3)::$5 } |
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236 | | IDENT COL expr SCOL lustre_annot_list { ([$1],$3)::$5 } |
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237 | | INVARIANT COL expr SCOL lustre_annot_list{ (["invariant"],$3)::$5 } |
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238 | | OBSERVER COL expr SCOL lustre_annot_list { (["observer"],$3)::$5 } |
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239 | |||

240 | kwd: |
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241 | DIV { [] } |
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242 | | DIV IDENT kwd { $2::$3} |