adamc@3
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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 (* Pretty-printing elaborated Ur/Web *)
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29
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30 structure ElabPrint :> ELAB_PRINT = struct
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31
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32 open Print.PD
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33 open Print
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34
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35 open Elab
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36
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37 structure E = ElabEnv
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38
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39 val debug = ref false
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40
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41 fun p_kind' par env (k, _) =
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42 case k of
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43 KType => string "Type"
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44 | KArrow (k1, k2) => parenIf par (box [p_kind' true env k1,
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45 space,
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46 string "->",
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47 space,
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48 p_kind env k2])
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49 | KName => string "Name"
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50 | KRecord k => box [string "{", p_kind env k, string "}"]
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51 | KUnit => string "Unit"
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52 | KTuple ks => box [string "(",
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53 p_list_sep (box [space, string "*", space]) (p_kind env) ks,
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54 string ")"]
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55
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56 | KError => string "<ERROR>"
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57 | KUnif (_, _, ref (KKnown k)) => p_kind' par env k
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58 | KUnif (_, s, _) => string ("<UNIF:" ^ s ^ ">")
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59 | KTupleUnif (_, _, ref (KKnown k)) => p_kind' par env k
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60 | KTupleUnif (_, nks, _) => box [string "(",
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61 p_list_sep (box [space, string "*", space])
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62 (fn (n, k) => box [string (Int.toString n ^ ":"),
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63 space,
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64 p_kind env k]) nks,
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65 space,
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66 string "*",
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67 space,
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68 string "...)"]
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69
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70 | KRel n => ((if !debug then
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71 string (E.lookupKRel env n ^ "_" ^ Int.toString n)
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72 else
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73 string (E.lookupKRel env n))
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74 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
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75 | KFun (x, k) => box [string x,
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76 space,
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77 string "-->",
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78 space,
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79 p_kind (E.pushKRel env x) k]
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80
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81 and p_kind env = p_kind' false env
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82
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83 fun p_explicitness e =
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84 case e of
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85 Explicit => string "::"
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86 | Implicit => string ":::"
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87
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88 fun p_con' par env (c, _) =
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89 case c of
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90 TFun (t1, t2) => parenIf true (box [p_con' true env t1,
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91 space,
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92 string "->",
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93 space,
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94 p_con env t2])
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95 | TCFun (e, x, k, c) => parenIf par (box [string x,
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96 space,
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97 p_explicitness e,
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98 space,
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99 p_kind env k,
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100 space,
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101 string "->",
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102 space,
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103 p_con (E.pushCRel env x k) c])
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104 | TDisjoint (c1, c2, c3) => parenIf par (box [string "[",
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105 p_con env c1,
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106 space,
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107 string "~",
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108 space,
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109 p_con env c2,
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110 string "]",
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111 space,
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112 string "=>",
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113 space,
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114 p_con env c3])
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115 | TRecord (CRecord (_, xcs), _) => box [string "{",
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116 p_list (fn (x, c) =>
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117 box [p_name env x,
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118 space,
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119 string ":",
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120 space,
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121 p_con env c]) xcs,
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122 string "}"]
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123 | TRecord c => box [string "$",
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124 p_con' true env c]
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125
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126 | CRel n =>
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127 ((if !debug then
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128 string (#1 (E.lookupCRel env n) ^ "_" ^ Int.toString n)
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129 else
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130 string (#1 (E.lookupCRel env n)))
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131 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
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132 | CNamed n =>
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133 ((if !debug then
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134 string (#1 (E.lookupCNamed env n) ^ "__" ^ Int.toString n)
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135 else
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136 string (#1 (E.lookupCNamed env n)))
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137 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
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138 | CModProj (m1, ms, x) =>
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139 let
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140 val m1x = #1 (E.lookupStrNamed env m1)
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141 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
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142
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143 val m1s = if !debug then
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144 m1x ^ "__" ^ Int.toString m1
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145 else
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146 m1x
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147 in
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148 p_list_sep (string ".") string (m1x :: ms @ [x])
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149 end
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150
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151 | CApp (c1, c2) => parenIf par (box [p_con env c1,
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152 space,
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153 p_con' true env c2])
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154 | CAbs (x, k, c) => parenIf true (box [string "fn",
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155 space,
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156 string x,
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157 space,
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158 string "::",
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159 space,
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160 p_kind env k,
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161 space,
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162 string "=>",
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163 space,
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164 p_con (E.pushCRel env x k) c])
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165
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166 | CName s => box [string "#", string s]
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167
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168 | CRecord (k, xcs) =>
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169 if !debug then
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170 parenIf par (box [string "[",
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171 p_list (fn (x, c) =>
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172 box [p_con env x,
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173 space,
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174 string "=",
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175 space,
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176 p_con env c]) xcs,
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177 string "]::",
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178 p_kind env k])
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179 else
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180 parenIf par (box [string "[",
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181 p_list (fn (x, c) =>
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182 box [p_con env x,
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183 space,
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184 string "=",
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185 space,
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186 p_con env c]) xcs,
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187 string "]"])
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188 | CConcat (c1, c2) => parenIf par (box [p_con' true env c1,
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189 space,
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190 string "++",
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191 space,
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192 p_con env c2])
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193 | CMap _ => string "map"
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194
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195 | CUnit => string "()"
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196
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197 | CTuple cs => box [string "(",
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198 p_list (p_con env) cs,
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199 string ")"]
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200 | CProj (c, n) => box [p_con env c,
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201 string ".",
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202 string (Int.toString n)]
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203
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204 | CError => string "<ERROR>"
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205 | CUnif (nl, _, _, _, ref (Known c)) => p_con' par env (E.mliftConInCon nl c)
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206 | CUnif (nl, _, k, s, _) => box [string ("<UNIF:" ^ s ^ "::"),
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207 p_kind env k,
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208 case nl of
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209 0 => box []
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210 | _ => string ("+" ^ Int.toString nl),
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211 string ">"]
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212
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213 | CKAbs (x, c) => box [string x,
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214 space,
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215 string "==>",
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216 space,
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217 p_con (E.pushKRel env x) c]
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218 | CKApp (c, k) => box [p_con env c,
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219 string "[[",
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220 p_kind env k,
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221 string "]]"]
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222 | TKFun (x, c) => box [string x,
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223 space,
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224 string "-->",
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225 space,
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226 p_con (E.pushKRel env x) c]
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227
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228
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229 and p_con env = p_con' false env
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230
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231 and p_name env (all as (c, _)) =
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232 case c of
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233 CName s => string s
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234 | _ => p_con env all
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235
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236 fun p_patCon env pc =
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237 case pc of
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238 PConVar n =>
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239 ((if !debug then
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240 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
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241 else
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242 string (#1 (E.lookupENamed env n)))
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243 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
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244 | PConProj (m1, ms, x) =>
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245 let
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246 val m1x = #1 (E.lookupStrNamed env m1)
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247 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
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248
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249 val m1s = if !debug then
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250 m1x ^ "__" ^ Int.toString m1
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251 else
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252 m1x
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253 in
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254 p_list_sep (string ".") string (m1x :: ms @ [x])
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255 end
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256
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257 fun p_pat' par env (p, _) =
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258 case p of
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259 PWild => string "_"
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260 | PVar (s, _) => string s
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261 | PPrim p => Prim.p_t p
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262 | PCon (_, pc, _, NONE) => p_patCon env pc
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263 | PCon (_, pc, _, SOME p) => parenIf par (box [p_patCon env pc,
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264 space,
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265 p_pat' true env p])
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266 | PRecord xps =>
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267 box [string "{",
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268 p_list_sep (box [string ",", space]) (fn (x, p, t) =>
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269 box [string x,
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270 space,
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271 string "=",
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272 space,
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273 p_pat env p,
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274 if !debug then
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275 box [space,
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276 string ":",
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277 space,
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278 p_con env t]
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279 else
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280 box []]) xps,
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281 string "}"]
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282
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283 and p_pat x = p_pat' false x
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284
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285 fun p_exp' par env (e, _) =
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286 case e of
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287 EPrim p => Prim.p_t p
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288 | ERel n =>
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289 ((if !debug then
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290 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
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291 else
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292 string (#1 (E.lookupERel env n)))
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293 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
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294 | ENamed n =>
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295 ((if !debug then
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296 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
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297 else
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298 string (#1 (E.lookupENamed env n)))
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299 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
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300 | EModProj (m1, ms, x) =>
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301 let
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302 val m1x = #1 (E.lookupStrNamed env m1)
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303 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
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304
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305 val m1s = if !debug then
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306 m1x ^ "__" ^ Int.toString m1
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307 else
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308 m1x
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309 in
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310 p_list_sep (string ".") string (m1x :: ms @ [x])
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311 end
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312
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313 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
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314 space,
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315 p_exp' true env e2])
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316 | EAbs (x, t, _, e) => parenIf par (box [string "fn",
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317 space,
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318 string x,
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319 space,
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320 string ":",
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321 space,
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322 p_con env t,
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323 space,
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324 string "=>",
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325 space,
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326 p_exp (E.pushERel env x t) e])
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327 | ECApp (e, c) => parenIf par (box [p_exp env e,
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328 space,
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329 string "[",
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330 p_con env c,
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331 string "]"])
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332 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
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333 space,
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334 string x,
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335 space,
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336 p_explicitness exp,
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337 space,
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338 p_kind env k,
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339 space,
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340 string "=>",
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341 space,
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adamc@9
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342 p_exp (E.pushCRel env x k) e])
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343
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344 | ERecord xes => box [string "{",
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345 p_list (fn (x, e, _) =>
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346 box [p_name env x,
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347 space,
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348 string "=",
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349 space,
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adamc@12
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350 p_exp env e]) xes,
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351 string "}"]
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352 | EField (e, c, {field, rest}) =>
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353 if !debug then
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354 box [p_exp' true env e,
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355 string ".",
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356 p_con' true env c,
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adamc@12
|
357 space,
|
adamc@12
|
358 string "[",
|
adamc@12
|
359 p_con env field,
|
adamc@12
|
360 space,
|
adamc@12
|
361 string " in ",
|
adamc@12
|
362 space,
|
adamc@12
|
363 p_con env rest,
|
adamc@12
|
364 string "]"]
|
adamc@12
|
365 else
|
adamc@12
|
366 box [p_exp' true env e,
|
adamc@12
|
367 string ".",
|
adamc@12
|
368 p_con' true env c]
|
adamc@445
|
369 | EConcat (e1, c1, e2, c2) =>
|
adamc@339
|
370 parenIf par (if !debug then
|
adamc@445
|
371 box [p_exp' true env e1,
|
adamc@445
|
372 space,
|
adamc@445
|
373 string ":",
|
adamc@445
|
374 space,
|
adamc@445
|
375 p_con env c1,
|
adamc@445
|
376 space,
|
adamc@445
|
377 string "++",
|
adamc@445
|
378 space,
|
adamc@445
|
379 p_exp' true env e2,
|
adamc@445
|
380 space,
|
adamc@445
|
381 string ":",
|
adamc@445
|
382 space,
|
adamc@445
|
383 p_con env c2]
|
adamc@445
|
384 else
|
adamc@445
|
385 box [p_exp' true env e1,
|
adamc@339
|
386 space,
|
adamc@494
|
387 string "++",
|
adamc@339
|
388 space,
|
adamc@339
|
389 p_exp' true env e2])
|
adamc@149
|
390 | ECut (e, c, {field, rest}) =>
|
adamc@149
|
391 parenIf par (if !debug then
|
adamc@149
|
392 box [p_exp' true env e,
|
adamc@149
|
393 space,
|
adamc@149
|
394 string "--",
|
adamc@149
|
395 space,
|
adamc@149
|
396 p_con' true env c,
|
adamc@149
|
397 space,
|
adamc@149
|
398 string "[",
|
adamc@149
|
399 p_con env field,
|
adamc@149
|
400 space,
|
adamc@149
|
401 string " in ",
|
adamc@149
|
402 space,
|
adamc@149
|
403 p_con env rest,
|
adamc@149
|
404 string "]"]
|
adamc@149
|
405 else
|
adamc@149
|
406 box [p_exp' true env e,
|
adamc@149
|
407 space,
|
adamc@149
|
408 string "--",
|
adamc@149
|
409 space,
|
adamc@149
|
410 p_con' true env c])
|
adamc@493
|
411 | ECutMulti (e, c, {rest}) =>
|
adamc@493
|
412 parenIf par (if !debug then
|
adamc@493
|
413 box [p_exp' true env e,
|
adamc@493
|
414 space,
|
adamc@493
|
415 string "---",
|
adamc@493
|
416 space,
|
adamc@493
|
417 p_con' true env c,
|
adamc@493
|
418 space,
|
adamc@493
|
419 string "[",
|
adamc@493
|
420 p_con env rest,
|
adamc@493
|
421 string "]"]
|
adamc@493
|
422 else
|
adamc@493
|
423 box [p_exp' true env e,
|
adamc@493
|
424 space,
|
adamc@493
|
425 string "---",
|
adamc@493
|
426 space,
|
adamc@493
|
427 p_con' true env c])
|
adamc@493
|
428
|
adamc@171
|
429 | ECase (e, pes, _) => parenIf par (box [string "case",
|
adamc@171
|
430 space,
|
adamc@171
|
431 p_exp env e,
|
adamc@171
|
432 space,
|
adamc@171
|
433 string "of",
|
adamc@171
|
434 space,
|
adamc@171
|
435 p_list_sep (box [space, string "|", space])
|
adamc@171
|
436 (fn (p, e) => box [p_pat env p,
|
adamc@171
|
437 space,
|
adamc@171
|
438 string "=>",
|
adamc@171
|
439 space,
|
adamc@243
|
440 p_exp (E.patBinds env p) e]) pes])
|
adamc@171
|
441
|
adamc@9
|
442 | EError => string "<ERROR>"
|
adamc@228
|
443 | EUnif (ref (SOME e)) => p_exp env e
|
adamc@228
|
444 | EUnif _ => string "_"
|
adamc@9
|
445
|
adamc@825
|
446 | ELet (ds, e, _) =>
|
adamc@447
|
447 let
|
adamc@447
|
448 val (dsp, env) = ListUtil.foldlMap
|
adamc@447
|
449 (fn (d, env) =>
|
adamc@447
|
450 (p_edecl env d,
|
adamc@447
|
451 E.edeclBinds env d))
|
adamc@447
|
452 env ds
|
adamc@447
|
453 in
|
adamc@447
|
454 box [string "let",
|
adamc@447
|
455 newline,
|
adamc@447
|
456 box [p_list_sep newline (fn x => x) dsp],
|
adamc@447
|
457 newline,
|
adamc@447
|
458 string "in",
|
adamc@447
|
459 newline,
|
adamc@447
|
460 box [p_exp env e],
|
adamc@447
|
461 newline,
|
adamc@447
|
462 string "end"]
|
adamc@447
|
463 end
|
adamc@447
|
464
|
adamc@623
|
465 | EKAbs (x, e) => box [string x,
|
adamc@623
|
466 space,
|
adamc@623
|
467 string "==>",
|
adamc@623
|
468 space,
|
adamc@623
|
469 p_exp (E.pushKRel env x) e]
|
adamc@623
|
470 | EKApp (e, k) => box [p_exp env e,
|
adamc@623
|
471 string "[[",
|
adamc@623
|
472 p_kind env k,
|
adamc@623
|
473 string "]]"]
|
adamc@623
|
474
|
adamc@9
|
475 and p_exp env = p_exp' false env
|
adamc@9
|
476
|
adamc@447
|
477 and p_edecl env (dAll as (d, _)) =
|
adamc@447
|
478 case d of
|
adamc@825
|
479 EDVal (p, t, e) => box [string "val",
|
adamc@825
|
480 space,
|
adamc@825
|
481 p_pat env p,
|
adamc@825
|
482 space,
|
adamc@825
|
483 string ":",
|
adamc@825
|
484 space,
|
adamc@825
|
485 p_con env t,
|
adamc@825
|
486 space,
|
adamc@825
|
487 string "=",
|
adamc@825
|
488 space,
|
adamc@825
|
489 p_exp env e]
|
adamc@447
|
490 | EDValRec vis =>
|
adamc@447
|
491 let
|
adamc@447
|
492 val env = E.edeclBinds env dAll
|
adamc@447
|
493 in
|
adamc@447
|
494 box [string "val",
|
adamc@447
|
495 space,
|
adamc@447
|
496 string "rec",
|
adamc@447
|
497 space,
|
adamc@447
|
498 p_list_sep (box [newline, string "and", space]) (p_evali env) vis]
|
adamc@447
|
499 end
|
adamc@447
|
500
|
adamc@447
|
501 and p_evali env (x, t, e) = box [string x,
|
adamc@447
|
502 space,
|
adamc@447
|
503 string ":",
|
adamc@447
|
504 space,
|
adamc@447
|
505 p_con env t,
|
adamc@447
|
506 space,
|
adamc@447
|
507 string "=",
|
adamc@447
|
508 space,
|
adamc@447
|
509 p_exp env e]
|
adamc@31
|
510
|
adamc@191
|
511 fun p_datatype env (x, n, xs, cons) =
|
adamc@156
|
512 let
|
adamc@191
|
513 val k = (KType, ErrorMsg.dummySpan)
|
adamc@191
|
514 val env = E.pushCNamedAs env x n k NONE
|
adamc@191
|
515 val env = foldl (fn (x, env) => E.pushCRel env x k) env xs
|
adamc@156
|
516 in
|
adamc@805
|
517 box [string x,
|
adamc@191
|
518 p_list_sep (box []) (fn x => box [space, string x]) xs,
|
adamc@156
|
519 space,
|
adamc@156
|
520 string "=",
|
adamc@156
|
521 space,
|
adamc@156
|
522 p_list_sep (box [space, string "|", space])
|
adamc@156
|
523 (fn (x, _, NONE) => string x
|
adamc@156
|
524 | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t])
|
adamc@156
|
525 cons]
|
adamc@156
|
526 end
|
adamc@156
|
527
|
adamc@447
|
528 fun p_named x n =
|
adamc@447
|
529 if !debug then
|
adamc@447
|
530 box [string x,
|
adamc@447
|
531 string "__",
|
adamc@447
|
532 string (Int.toString n)]
|
adamc@447
|
533 else
|
adamc@447
|
534 string x
|
adamc@447
|
535
|
adamc@805
|
536 fun p_sgn_item env (sgiAll as (sgi, _)) =
|
adamc@31
|
537 case sgi of
|
adamc@31
|
538 SgiConAbs (x, n, k) => box [string "con",
|
adamc@31
|
539 space,
|
adamc@31
|
540 p_named x n,
|
adamc@31
|
541 space,
|
adamc@31
|
542 string "::",
|
adamc@31
|
543 space,
|
adamc@623
|
544 p_kind env k]
|
adamc@31
|
545 | SgiCon (x, n, k, c) => box [string "con",
|
adamc@31
|
546 space,
|
adamc@31
|
547 p_named x n,
|
adamc@31
|
548 space,
|
adamc@31
|
549 string "::",
|
adamc@31
|
550 space,
|
adamc@623
|
551 p_kind env k,
|
adamc@31
|
552 space,
|
adamc@31
|
553 string "=",
|
adamc@31
|
554 space,
|
adamc@31
|
555 p_con env c]
|
adamc@805
|
556 | SgiDatatype x => box [string "datatype",
|
adamc@805
|
557 space,
|
adamc@805
|
558 p_list_sep (box [space, string "and", space]) (p_datatype (E.sgiBinds env sgiAll)) x]
|
adamc@191
|
559 | SgiDatatypeImp (x, _, m1, ms, x', _, _) =>
|
adamc@156
|
560 let
|
adamc@156
|
561 val m1x = #1 (E.lookupStrNamed env m1)
|
adamc@156
|
562 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
|
adamc@156
|
563 in
|
adamc@156
|
564 box [string "datatype",
|
adamc@156
|
565 space,
|
adamc@156
|
566 string x,
|
adamc@156
|
567 space,
|
adamc@156
|
568 string "=",
|
adamc@156
|
569 space,
|
adamc@156
|
570 string "datatype",
|
adamc@156
|
571 space,
|
adamc@156
|
572 p_list_sep (string ".") string (m1x :: ms @ [x'])]
|
adamc@156
|
573 end
|
adamc@31
|
574 | SgiVal (x, n, c) => box [string "val",
|
adamc@31
|
575 space,
|
adamc@31
|
576 p_named x n,
|
adamc@31
|
577 space,
|
adamc@31
|
578 string ":",
|
adamc@31
|
579 space,
|
adamc@31
|
580 p_con env c]
|
adamc@31
|
581 | SgiStr (x, n, sgn) => box [string "structure",
|
adamc@31
|
582 space,
|
adamc@31
|
583 p_named x n,
|
adamc@31
|
584 space,
|
adamc@31
|
585 string ":",
|
adamc@31
|
586 space,
|
adamc@31
|
587 p_sgn env sgn]
|
adamc@59
|
588 | SgiSgn (x, n, sgn) => box [string "signature",
|
adamc@59
|
589 space,
|
adamc@59
|
590 p_named x n,
|
adamc@59
|
591 space,
|
adamc@59
|
592 string "=",
|
adamc@59
|
593 space,
|
adamc@59
|
594 p_sgn env sgn]
|
adamc@88
|
595 | SgiConstraint (c1, c2) => box [string "constraint",
|
adamc@88
|
596 space,
|
adamc@88
|
597 p_con env c1,
|
adamc@88
|
598 space,
|
adamc@88
|
599 string "~",
|
adamc@88
|
600 space,
|
adamc@88
|
601 p_con env c2]
|
adamc@563
|
602 | SgiClassAbs (x, n, k) => box [string "class",
|
adamc@563
|
603 space,
|
adamc@563
|
604 p_named x n,
|
adamc@563
|
605 space,
|
adamc@563
|
606 string "::",
|
adamc@563
|
607 space,
|
adamc@623
|
608 p_kind env k]
|
adamc@563
|
609 | SgiClass (x, n, k, c) => box [string "class",
|
adamc@563
|
610 space,
|
adamc@563
|
611 p_named x n,
|
adamc@563
|
612 space,
|
adamc@563
|
613 string "::",
|
adamc@563
|
614 space,
|
adamc@623
|
615 p_kind env k,
|
adamc@563
|
616 space,
|
adamc@563
|
617 string "=",
|
adamc@563
|
618 space,
|
adamc@563
|
619 p_con env c]
|
adamc@31
|
620
|
adamc@31
|
621 and p_sgn env (sgn, _) =
|
adamc@31
|
622 case sgn of
|
adamc@31
|
623 SgnConst sgis => box [string "sig",
|
adamc@31
|
624 newline,
|
adamc@32
|
625 let
|
adamc@32
|
626 val (psgis, _) = ListUtil.foldlMap (fn (sgi, env) =>
|
adamc@32
|
627 (p_sgn_item env sgi,
|
adamc@32
|
628 E.sgiBinds env sgi))
|
adamc@32
|
629 env sgis
|
adamc@32
|
630 in
|
adamc@32
|
631 p_list_sep newline (fn x => x) psgis
|
adamc@32
|
632 end,
|
adamc@31
|
633 newline,
|
adamc@31
|
634 string "end"]
|
adamc@88
|
635 | SgnVar n => ((string (#1 (E.lookupSgnNamed env n)))
|
adamc@88
|
636 handle E.UnboundNamed _ => string ("UNBOUND_SGN_" ^ Int.toString n))
|
adamc@41
|
637 | SgnFun (x, n, sgn, sgn') => box [string "functor",
|
adamc@41
|
638 space,
|
adamc@41
|
639 string "(",
|
adamc@41
|
640 string x,
|
adamc@41
|
641 space,
|
adamc@41
|
642 string ":",
|
adamc@41
|
643 space,
|
adamc@41
|
644 p_sgn env sgn,
|
adamc@41
|
645 string ")",
|
adamc@41
|
646 space,
|
adamc@41
|
647 string ":",
|
adamc@41
|
648 space,
|
adamc@41
|
649 p_sgn (E.pushStrNamedAs env x n sgn) sgn']
|
adamc@42
|
650 | SgnWhere (sgn, x, c) => box [p_sgn env sgn,
|
adamc@42
|
651 space,
|
adamc@42
|
652 string "where",
|
adamc@42
|
653 space,
|
adamc@42
|
654 string "con",
|
adamc@42
|
655 space,
|
adamc@42
|
656 string x,
|
adamc@42
|
657 space,
|
adamc@42
|
658 string "=",
|
adamc@42
|
659 space,
|
adamc@42
|
660 p_con env c]
|
adamc@59
|
661 | SgnProj (m1, ms, x) =>
|
adamc@59
|
662 let
|
adamc@88
|
663 val m1x = #1 (E.lookupStrNamed env m1)
|
adamc@88
|
664 handle E.UnboundNamed _ => "UNBOUND_SGN_" ^ Int.toString m1
|
adamc@88
|
665
|
adamc@59
|
666 val m1s = if !debug then
|
adamc@59
|
667 m1x ^ "__" ^ Int.toString m1
|
adamc@59
|
668 else
|
adamc@59
|
669 m1x
|
adamc@88
|
670 in
|
adamc@59
|
671 p_list_sep (string ".") string (m1x :: ms @ [x])
|
adamc@59
|
672 end
|
adamc@31
|
673 | SgnError => string "<ERROR>"
|
adamc@31
|
674
|
adamc@123
|
675 fun p_vali env (x, n, t, e) = box [p_named x n,
|
adamc@123
|
676 space,
|
adamc@123
|
677 string ":",
|
adamc@123
|
678 space,
|
adamc@123
|
679 p_con env t,
|
adamc@123
|
680 space,
|
adamc@123
|
681 string "=",
|
adamc@123
|
682 space,
|
adamc@123
|
683 p_exp env e]
|
adamc@123
|
684
|
adamc@447
|
685
|
adamc@447
|
686
|
adamc@123
|
687 fun p_decl env (dAll as (d, _) : decl) =
|
adamc@3
|
688 case d of
|
adamc@31
|
689 DCon (x, n, k, c) => box [string "con",
|
adamc@31
|
690 space,
|
adamc@31
|
691 p_named x n,
|
adamc@31
|
692 space,
|
adamc@31
|
693 string "::",
|
adamc@31
|
694 space,
|
adamc@623
|
695 p_kind env k,
|
adamc@31
|
696 space,
|
adamc@31
|
697 string "=",
|
adamc@31
|
698 space,
|
adamc@31
|
699 p_con env c]
|
adamc@805
|
700 | DDatatype x => box [string "datatype",
|
adamc@805
|
701 space,
|
adamc@805
|
702 p_list_sep (box [space, string "and", space]) (p_datatype (E.declBinds env dAll)) x]
|
adamc@191
|
703 | DDatatypeImp (x, _, m1, ms, x', _, _) =>
|
adamc@156
|
704 let
|
adamc@156
|
705 val m1x = #1 (E.lookupStrNamed env m1)
|
adamc@156
|
706 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
|
adamc@156
|
707 in
|
adamc@156
|
708 box [string "datatype",
|
adamc@156
|
709 space,
|
adamc@156
|
710 string x,
|
adamc@156
|
711 space,
|
adamc@156
|
712 string "=",
|
adamc@156
|
713 space,
|
adamc@156
|
714 string "datatype",
|
adamc@156
|
715 space,
|
adamc@156
|
716 p_list_sep (string ".") string (m1x :: ms @ [x'])]
|
adamc@156
|
717 end
|
adamc@123
|
718 | DVal vi => box [string "val",
|
adamc@123
|
719 space,
|
adamc@123
|
720 p_vali env vi]
|
adamc@123
|
721 | DValRec vis =>
|
adamc@123
|
722 let
|
adamc@123
|
723 val env = E.declBinds env dAll
|
adamc@123
|
724 in
|
adamc@123
|
725 box [string "val",
|
adamc@123
|
726 space,
|
adamc@123
|
727 string "rec",
|
adamc@123
|
728 space,
|
adamc@123
|
729 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
|
adamc@123
|
730 end
|
adamc@31
|
731
|
adamc@31
|
732 | DSgn (x, n, sgn) => box [string "signature",
|
adamc@31
|
733 space,
|
adamc@31
|
734 p_named x n,
|
adamc@31
|
735 space,
|
adamc@31
|
736 string "=",
|
adamc@31
|
737 space,
|
adamc@31
|
738 p_sgn env sgn]
|
adamc@31
|
739 | DStr (x, n, sgn, str) => box [string "structure",
|
adamc@31
|
740 space,
|
adamc@31
|
741 p_named x n,
|
adamc@31
|
742 space,
|
adamc@31
|
743 string ":",
|
adamc@31
|
744 space,
|
adamc@31
|
745 p_sgn env sgn,
|
adamc@31
|
746 space,
|
adamc@31
|
747 string "=",
|
adamc@31
|
748 space,
|
adamc@31
|
749 p_str env str]
|
adamc@48
|
750 | DFfiStr (x, n, sgn) => box [string "extern",
|
adamc@48
|
751 space,
|
adamc@48
|
752 string "structure",
|
adamc@48
|
753 space,
|
adamc@48
|
754 p_named x n,
|
adamc@48
|
755 space,
|
adamc@48
|
756 string ":",
|
adamc@48
|
757 space,
|
adamc@48
|
758 p_sgn env sgn]
|
adamc@88
|
759 | DConstraint (c1, c2) => box [string "constraint",
|
adamc@88
|
760 space,
|
adamc@88
|
761 p_con env c1,
|
adamc@88
|
762 space,
|
adamc@88
|
763 string "~",
|
adamc@88
|
764 space,
|
adamc@88
|
765 p_con env c2]
|
adamc@109
|
766 | DExport (_, sgn, str) => box [string "export",
|
adamc@110
|
767 space,
|
adamc@109
|
768 p_str env str,
|
adamc@109
|
769 space,
|
adamc@109
|
770 string ":",
|
adamc@109
|
771 space,
|
adamc@109
|
772 p_sgn env sgn]
|
adamc@707
|
773 | DTable (_, x, n, c, pe, _, ce, _) => box [string "table",
|
adamc@707
|
774 space,
|
adamc@707
|
775 p_named x n,
|
adamc@707
|
776 space,
|
adamc@707
|
777 string ":",
|
adamc@707
|
778 space,
|
adamc@707
|
779 p_con env c,
|
adamc@707
|
780 space,
|
adamc@707
|
781 string "keys",
|
adamc@707
|
782 space,
|
adamc@707
|
783 p_exp env pe,
|
adamc@707
|
784 space,
|
adamc@707
|
785 string "constraints",
|
adamc@707
|
786 space,
|
adamc@707
|
787 p_exp env ce]
|
adamc@338
|
788 | DSequence (_, x, n) => box [string "sequence",
|
adamc@338
|
789 space,
|
adamc@338
|
790 p_named x n]
|
adamc@754
|
791 | DView (_, x, n, e, _) => box [string "view",
|
adamc@754
|
792 space,
|
adamc@754
|
793 p_named x n,
|
adamc@754
|
794 space,
|
adamc@754
|
795 string "as",
|
adamc@754
|
796 space,
|
adamc@754
|
797 p_exp env e]
|
adamc@563
|
798 | DClass (x, n, k, c) => box [string "class",
|
adamc@563
|
799 space,
|
adamc@563
|
800 p_named x n,
|
adamc@563
|
801 space,
|
adamc@563
|
802 string "::",
|
adamc@563
|
803 space,
|
adamc@623
|
804 p_kind env k,
|
adamc@563
|
805 space,
|
adamc@563
|
806 string "=",
|
adamc@563
|
807 space,
|
adamc@563
|
808 p_con env c]
|
adamc@271
|
809 | DDatabase s => box [string "database",
|
adamc@271
|
810 space,
|
adamc@271
|
811 string s]
|
adamc@459
|
812 | DCookie (_, x, n, c) => box [string "cookie",
|
adamc@459
|
813 space,
|
adamc@459
|
814 p_named x n,
|
adamc@459
|
815 space,
|
adamc@459
|
816 string ":",
|
adamc@459
|
817 space,
|
adamc@459
|
818 p_con env c]
|
adamc@720
|
819 | DStyle (_, x, n) => box [string "style",
|
adamc@720
|
820 space,
|
adamc@720
|
821 p_named x n]
|
adamc@1075
|
822 | DTask (e1, e2) => box [string "task",
|
adamc@1073
|
823 space,
|
adamc@1075
|
824 p_exp env e1,
|
adamc@1075
|
825 space,
|
adamc@1075
|
826 string "=",
|
adamc@1075
|
827 space,
|
adamc@1075
|
828 p_exp env e2]
|
adamc@1199
|
829 | DPolicy e1 => box [string "policy",
|
adamc@1199
|
830 space,
|
adamc@1199
|
831 p_exp env e1]
|
adam@1294
|
832 | DOnError _ => string "ONERROR"
|
adamc@31
|
833
|
adamc@31
|
834 and p_str env (str, _) =
|
adamc@31
|
835 case str of
|
adamc@31
|
836 StrConst ds => box [string "struct",
|
adamc@31
|
837 newline,
|
adamc@32
|
838 p_file env ds,
|
adamc@31
|
839 newline,
|
adamc@31
|
840 string "end"]
|
adamc@88
|
841 | StrVar n => ((string (#1 (E.lookupStrNamed env n)))
|
adamc@88
|
842 handle E.UnboundNamed _ => string ("UNBOUND_STR_" ^ Int.toString n))
|
adamc@34
|
843 | StrProj (str, s) => box [p_str env str,
|
adamc@34
|
844 string ".",
|
adamc@34
|
845 string s]
|
adamc@41
|
846 | StrFun (x, n, sgn, sgn', str) =>
|
adamc@41
|
847 let
|
adamc@41
|
848 val env' = E.pushStrNamedAs env x n sgn
|
adamc@41
|
849 in
|
adamc@41
|
850 box [string "functor",
|
adamc@41
|
851 space,
|
adamc@41
|
852 string "(",
|
adamc@41
|
853 string x,
|
adamc@41
|
854 space,
|
adamc@41
|
855 string ":",
|
adamc@41
|
856 space,
|
adamc@41
|
857 p_sgn env sgn,
|
adamc@41
|
858 string ")",
|
adamc@41
|
859 space,
|
adamc@41
|
860 string ":",
|
adamc@41
|
861 space,
|
adamc@41
|
862 p_sgn env' sgn',
|
adamc@41
|
863 space,
|
adamc@41
|
864 string "=>",
|
adamc@41
|
865 space,
|
adamc@41
|
866 p_str env' str]
|
adamc@41
|
867 end
|
adamc@44
|
868 | StrApp (str1, str2) => box [p_str env str1,
|
adamc@44
|
869 string "(",
|
adamc@44
|
870 p_str env str2,
|
adamc@44
|
871 string ")"]
|
adamc@31
|
872 | StrError => string "<ERROR>"
|
adamc@3
|
873
|
adamc@32
|
874 and p_file env file =
|
adamc@3
|
875 let
|
adamc@31
|
876 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
|
adamc@31
|
877 (p_decl env d,
|
adamc@31
|
878 E.declBinds env d))
|
adamc@31
|
879 env file
|
adamc@3
|
880 in
|
adamc@3
|
881 p_list_sep newline (fn x => x) pds
|
adamc@3
|
882 end
|
adamc@3
|
883
|
adamc@3
|
884 end
|