adamc@0
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1 (* Copyright (c) 2008, Adam Chlipala
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2 * All rights reserved.
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3 *
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4 * Redistribution and use in source and binary forms, with or without
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5 * modification, are permitted provided that the following conditions are met:
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6 *
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7 * - Redistributions of source code must retain the above copyright notice,
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8 * this list of conditions and the following disclaimer.
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9 * - Redistributions in binary form must reproduce the above copyright notice,
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10 * this list of conditions and the following disclaimer in the documentation
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11 * and/or other materials provided with the distribution.
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12 * - The names of contributors may not be used to endorse or promote products
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13 * derived from this software without specific prior written permission.
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14 *
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15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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25 * POSSIBILITY OF SUCH DAMAGE.
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26 *)
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27
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28 structure Source = struct
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29
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30 type 'a located = 'a ErrorMsg.located
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31
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32 datatype kind' =
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33 KType
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34 | KArrow of kind * kind
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35 | KName
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36 | KRecord of kind
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37 | KUnit
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38 | KTuple of kind list
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39 | KWild
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40
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41 | KFun of string * kind
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42 | KVar of string
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43
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44 withtype kind = kind' located
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45
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46 datatype explicitness =
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47 Explicit
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48 | Implicit
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49
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50 datatype con' =
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51 CAnnot of con * kind
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52
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53 | TFun of con * con
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54 | TCFun of explicitness * string * kind * con
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55 | TRecord of con
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56 | TDisjoint of con * con * con
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57
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58 | CVar of string list * string
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59 | CApp of con * con
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60 | CAbs of string * kind option * con
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61
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62 | CKAbs of string * con
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63 | TKFun of string * con
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64
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65 | CName of string
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66
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67 | CRecord of (con * con) list
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68 | CConcat of con * con
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69 | CMap
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70
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71 | CUnit
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72
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73 | CTuple of con list
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74 | CProj of con * int
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75
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76 | CWild of kind
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77
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78 withtype con = con' located
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79
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80 datatype inference =
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81 Infer
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82 | DontInfer
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83 | TypesOnly
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84
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85 datatype sgn_item' =
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86 SgiConAbs of string * kind
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87 | SgiCon of string * kind option * con
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88 | SgiDatatype of (string * string list * (string * con option) list) list
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89 | SgiDatatypeImp of string * string list * string
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90 | SgiVal of string * con
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91 | SgiTable of string * con * exp * exp
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92 | SgiStr of string * sgn
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93 | SgiSgn of string * sgn
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94 | SgiInclude of sgn
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95 | SgiConstraint of con * con
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96 | SgiClassAbs of string * kind
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97 | SgiClass of string * kind * con
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98
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99 and sgn' =
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100 SgnConst of sgn_item list
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101 | SgnVar of string
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102 | SgnFun of string * sgn * sgn
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103 | SgnWhere of sgn * string * con
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104 | SgnProj of string * string list * string
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105
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106 and pat' =
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107 PWild
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108 | PVar of string
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109 | PPrim of Prim.t
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110 | PCon of string list * string * pat option
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111 | PRecord of (string * pat) list * bool
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112 | PAnnot of pat * con
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113
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114 and exp' =
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115 EAnnot of exp * con
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116
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117 | EPrim of Prim.t
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118 | EVar of string list * string * inference
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119 | EApp of exp * exp
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120 | EAbs of string * con option * exp
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121 | ECApp of exp * con
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122 | ECAbs of explicitness * string * kind * exp
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123 | EDisjoint of con * con * exp
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124 | EDisjointApp of exp
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125
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126 | EKAbs of string * exp
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127
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128 | ERecord of (con * exp) list
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129 | EField of exp * con
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130 | EConcat of exp * exp
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131 | ECut of exp * con
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132 | ECutMulti of exp * con
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133
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134 | EWild
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135
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136 | ECase of exp * (pat * exp) list
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137
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138 | ELet of edecl list * exp
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139
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140 and edecl' =
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141 EDVal of pat * exp
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142 | EDValRec of (string * con option * exp) list
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143
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144 withtype sgn_item = sgn_item' located
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145 and sgn = sgn' located
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146 and pat = pat' located
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147 and exp = exp' located
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148 and edecl = edecl' located
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149
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150 datatype decl' =
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151 DCon of string * kind option * con
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152 | DDatatype of (string * string list * (string * con option) list) list
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153 | DDatatypeImp of string * string list * string
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154 | DVal of string * con option * exp
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155 | DValRec of (string * con option * exp) list
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156 | DSgn of string * sgn
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157 | DStr of string * sgn option * str
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158 | DFfiStr of string * sgn
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159 | DOpen of string * string list
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160 | DConstraint of con * con
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161 | DOpenConstraints of string * string list
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162 | DExport of str
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163 | DTable of string * con * exp * exp
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164 | DSequence of string
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165 | DView of string * exp
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166 | DClass of string * kind * con
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167 | DDatabase of string
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168 | DCookie of string * con
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169 | DStyle of string
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170 | DTask of exp * exp
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171
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172 and str' =
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173 StrConst of decl list
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174 | StrVar of string
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175 | StrProj of str * string
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176 | StrFun of string * sgn * sgn option * str
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177 | StrApp of str * str
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178
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179 withtype decl = decl' located
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180 and str = str' located
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181
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182 type file = decl list
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183
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184 end
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