adam@1848
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1 (* Copyright (c) 2008, 2013, 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 monomorphic Ur/Web *)
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29
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30 structure MonoPrint :> MONO_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 Mono
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36
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37 structure E = MonoEnv
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38
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39 val debug = ref false
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40
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41 val dummyt = (TRecord [], ErrorMsg.dummySpan)
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42
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43 fun p_typ' par env (t, _) =
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44 case t of
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45 TFun (t1, t2) => parenIf par (box [p_typ' true env t1,
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46 space,
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47 string "->",
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48 space,
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49 p_typ env t2])
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50 | TRecord xcs => box [string "{",
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51 p_list (fn (x, t) =>
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52 box [string x,
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53 space,
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54 string ":",
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55 space,
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56 p_typ env t]) xcs,
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57 string "}"]
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58 | TDatatype (n, ref (dk, _)) =>
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59 ((if !debug then
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60 string (#1 (E.lookupDatatype env n) ^ "__" ^ Int.toString n ^ "["
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61 ^ (case dk of
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62 Option => "Option"
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63 | Enum => "Enum"
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64 | Default => "Default")
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65 ^ "]")
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66 else
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67 string (#1 (E.lookupDatatype env n)))
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68 handle E.UnboundNamed _ => string ("UNBOUND_DATATYPE_" ^ Int.toString n))
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69 | TFfi (m, x) => box [string "FFI(", string m, string ".", string x, string ")"]
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70 | TOption t => box [string "option(",
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71 p_typ env t,
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72 string ")"]
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73 | TList t => box [string "list(",
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74 p_typ env t,
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75 string ")"]
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76 | TSource => string "source"
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77 | TSignal t => box [string "signal(",
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78 p_typ env t,
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79 string ")"]
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80
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81 and p_typ env = p_typ' false env
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82
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83 fun p_enamed env n =
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84 (if !debug then
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85 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
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86 else
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87 string (#1 (E.lookupENamed env n)))
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88 handle E.UnboundNamed _ => string ("UNBOUNDN_" ^ Int.toString n)
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89
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90 fun p_con_named env n =
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91 (if !debug then
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92 string (#1 (E.lookupConstructor env n) ^ "__" ^ Int.toString n)
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93 else
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94 string (#1 (E.lookupConstructor env n)))
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95 handle E.UnboundNamed _ => string ("CONSTRUCTOR_" ^ Int.toString n)
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96
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97 fun p_patCon env pc =
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98 case pc of
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99 PConVar n => p_con_named env n
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100 | PConFfi {mod = m, con, ...} => box [string "FFIC(",
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101 string m,
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102 string ".",
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103 string con,
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104 string ")"]
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105
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106 fun p_pat' par env (p, _) =
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107 case p of
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108 PWild => string "_"
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109 | PVar (s, _) => string s
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110 | PPrim p => Prim.p_t p
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111 | PCon (_, n, NONE) => p_patCon env n
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112 | PCon (_, n, SOME p) => parenIf par (box [p_patCon env n,
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113 space,
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114 p_pat' true env p])
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115 | PRecord xps =>
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116 box [string "{",
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117 p_list_sep (box [string ",", space]) (fn (x, p, _) =>
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118 box [string x,
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119 space,
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120 string "=",
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121 space,
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122 p_pat env p]) xps,
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123 string "}"]
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124 | PNone _ => string "None"
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125 | PSome (t, p) =>
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126 if !debug then
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127 box [string "Some[",
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128 p_typ env t,
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129 string "]",
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130 space,
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131 p_pat' true env p]
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132 else
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133 box [string "Some",
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134 space,
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135 p_pat' true env p]
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136
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137 and p_pat x = p_pat' false x
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138
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139 fun p_mode env m =
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140 case m of
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141 Attribute => string "Attribute"
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142 | Script => string "Script"
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143 | Source t => box [string "Source", space, p_typ env t]
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144
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145 fun p_exp' par env (e, _) =
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146 case e of
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147 EPrim p => Prim.p_t p
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148 | ERel n =>
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149 ((if !debug then
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150 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
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151 else
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152 string (#1 (E.lookupERel env n)))
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153 handle E.UnboundRel _ => string ("UNBOUND_" ^ Int.toString n))
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154 | ENamed n => p_enamed env n
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155 | ECon (_, pc, NONE) => p_patCon env pc
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156 | ECon (_, pc, SOME e) => parenIf par (box [p_patCon env pc,
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157 space,
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158 p_exp' true env e])
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159 | ENone _ => string "None"
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160 | ESome (_, e) => parenIf par (box [string "Some",
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161 space,
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162 p_exp' true env e])
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163
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164 | EFfi (m, x) => box [string "FFI(", string m, string ".", string x, string ")"]
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165 | EFfiApp (m, x, es) => box [string "FFI(",
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166 string m,
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167 string ".",
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168 string x,
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169 string "(",
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170 p_list (p_exp env o #1) es,
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171 string "))"]
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172 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
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173 space,
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174 p_exp' true env e2])
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175 | EAbs (x, t, _, e) => parenIf true (box [string "fn",
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176 space,
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177 string x,
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178 space,
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179 string ":",
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180 space,
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181 p_typ env t,
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182 space,
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183 string "=>",
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184 space,
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185 p_exp (E.pushERel env x t NONE) e])
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186
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187 | EUnop (s, e) => parenIf true (box [string s,
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188 space,
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189 p_exp' true env e])
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190 | EBinop (_, s, e1, e2) => parenIf true (box [p_exp' true env e1,
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191 space,
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192 string s,
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193 space,
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194 p_exp' true env e2])
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195
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196 | ERecord xes => box [string "{",
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197 p_list (fn (x, e, _) =>
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198 box [string x,
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199 space,
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200 string "=",
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201 space,
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202 p_exp env e]) xes,
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203 string "}"]
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204 | EField (e, x) =>
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205 box [p_exp' true env e,
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206 string ".",
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207 string x]
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208
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209 | ECase (e, pes, {result, ...}) => parenIf true (box [string "case",
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210 space,
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211 p_exp env e,
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212 space,
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213 if !debug then
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214 box [string "return",
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215 space,
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216 p_typ env result,
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217 space]
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218 else
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219 box [],
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220 string "of",
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221 space,
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222 p_list_sep (box [space, string "|", space])
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223 (fn (p, e) => box [p_pat env p,
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224 space,
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225 string "=>",
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226 space,
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227 p_exp (E.patBinds env p) e])
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228 pes])
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229
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230 | EError (e, t) => box [string "(error",
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231 space,
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232 p_exp env e,
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233 space,
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234 string ":",
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235 space,
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236 p_typ env t,
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237 string ")"]
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238 | EReturnBlob {blob, mimeType, t} => box [string "(blob",
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239 space,
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240 p_exp env blob,
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241 space,
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242 string "in",
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243 space,
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244 p_exp env mimeType,
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245 space,
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246 string ":",
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247 space,
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248 p_typ env t,
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249 string ")"]
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250 | ERedirect (e, t) => box [string "(redirect",
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251 space,
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252 p_exp env e,
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253 space,
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254 string ":",
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255 space,
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256 p_typ env t,
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257 string ")"]
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258
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259 | EStrcat (e1, e2) => parenIf par (box [p_exp' true env e1,
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260 space,
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261 string "^",
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262 space,
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263 p_exp env e2])
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264
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265 | EWrite e => box [string "write(",
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266 p_exp env e,
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267 string ")"]
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268
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269 | ESeq (e1, e2) => box [string "(",
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270 p_exp env e1,
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271 string ";",
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272 space,
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273 p_exp env e2,
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274 string ")"]
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275 | ELet (x, t, e1, e2) => box [string "(let",
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276 space,
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277 string x,
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278 space,
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279 string ":",
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280 space,
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281 p_typ env t,
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282 space,
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283 string "=",
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284 space,
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285 string "(",
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286 p_exp env e1,
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287 string ")",
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288 space,
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289 string "in",
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290 space,
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291 string "(",
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292 p_exp (E.pushERel env x t NONE) e2,
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293 string "))"]
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294
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295 | EClosure (n, es) => box [string "CLOSURE(",
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296 p_enamed env n,
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297 p_list_sep (string "") (fn e => box [string ", ",
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298 p_exp env e]) es,
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299 string ")"]
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300
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301 | EQuery {exps, tables, state, query, body, initial} =>
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302 box [string "query[",
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303 p_list (fn (x, t) => box [string x, space, string ":", space, p_typ env t]) exps,
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304 string "] [",
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305 p_list (fn (x, xts) => box [string x,
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306 space,
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307 string ":",
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308 space,
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309 string "{",
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310 p_list (fn (x, t) => box [string x, space, string ":", space, p_typ env t]) xts,
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adamc@252
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311 string "}"]) tables,
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adamc@252
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312 string "] [",
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adamc@252
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313 p_typ env state,
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adamc@252
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314 string "]",
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adamc@252
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315 space,
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adamc@252
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316 p_exp env query,
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317 space,
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adamc@252
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318 string "initial",
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319 space,
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adamc@252
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320 p_exp env initial,
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321 space,
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adamc@252
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322 string "in",
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323 space,
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324 p_exp (E.pushERel (E.pushERel env "r" dummyt NONE) "acc" dummyt NONE) body]
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adam@1293
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325 | EDml (e, _) => box [string "dml(",
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326 p_exp env e,
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327 string ")"]
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adamc@338
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328 | ENextval e => box [string "nextval(",
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adamc@338
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329 p_exp env e,
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adamc@338
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330 string ")"]
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adamc@1073
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331 | ESetval (e1, e2) => box [string "setval(",
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adamc@1073
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332 p_exp env e1,
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333 string ",",
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334 space,
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adamc@1073
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335 p_exp env e2,
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adamc@1073
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336 string ")"]
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adamc@1112
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337 | EUnurlify (e, _, _) => box [string "unurlify(",
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adamc@1112
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338 p_exp env e,
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adamc@1112
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339 string ")"]
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adamc@815
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340 | EJavaScript (m, e) => box [string "JavaScript(",
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adamc@815
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341 p_mode env m,
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adamc@815
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342 string ",",
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adamc@815
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343 space,
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adamc@815
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344 p_exp env e,
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adamc@815
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345 string ")"]
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adamc@568
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346
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adamc@568
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347 | ESignalReturn e => box [string "Return(",
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adamc@568
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348 p_exp env e,
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adamc@568
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349 string ")"]
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adamc@574
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350 | ESignalBind (e1, e2) => box [string "Bind(",
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adamc@572
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351 p_exp env e1,
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adamc@572
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352 string ",",
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adamc@572
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353 space,
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adamc@572
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354 p_exp env e2,
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adamc@572
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355 string ")"]
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adamc@574
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356 | ESignalSource e => box [string "Source(",
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adamc@574
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357 p_exp env e,
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adamc@574
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358 string ")"]
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adamc@252
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359
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360 | EServerCall (n, _, _, _) => box [string "Server(",
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361 p_exp env n,
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adamc@1020
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362 string ")"]
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adamc@1021
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363 | ERecv (n, _) => box [string "Recv(",
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adamc@1021
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364 p_exp env n,
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adamc@1021
|
365 string ")"]
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adamc@1021
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366 | ESleep n => box [string "Sleep(",
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adamc@1021
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367 p_exp env n,
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adamc@1021
|
368 string ")"]
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adamc@1021
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369 | ESpawn n => box [string "Spawn(",
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adamc@1021
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370 p_exp env n,
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adamc@1021
|
371 string ")"]
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adamc@608
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372
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adamc@25
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373 and p_exp env = p_exp' false env
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adamc@25
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374
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adamc@126
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375 fun p_vali env (x, n, t, e, s) =
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adamc@126
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376 let
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adamc@126
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377 val xp = if !debug then
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adamc@126
|
378 box [string x,
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adamc@126
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379 string "__",
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adamc@126
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380 string (Int.toString n)]
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adamc@126
|
381 else
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adamc@126
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382 string x
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adamc@126
|
383 in
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adamc@126
|
384 box [xp,
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adamc@126
|
385 space,
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adamc@126
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386 string "as",
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adamc@126
|
387 space,
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adamc@126
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388 string s,
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adamc@126
|
389 space,
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adamc@126
|
390 string ":",
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adamc@126
|
391 space,
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adamc@126
|
392 p_typ env t,
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adamc@126
|
393 space,
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adamc@126
|
394 string "=",
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adamc@126
|
395 space,
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adamc@126
|
396 p_exp env e]
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adamc@126
|
397 end
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adamc@126
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398
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adamc@164
|
399 fun p_datatype env (x, n, cons) =
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adamc@164
|
400 let
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adamc@168
|
401 val env = E.pushDatatype env x n cons
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adamc@164
|
402 in
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adam@1734
|
403 box [if !debug then (string (x ^ "__" ^ Int.toString n))
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adam@1734
|
404 else string x,
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adamc@164
|
405 space,
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adamc@164
|
406 string "=",
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adamc@164
|
407 space,
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adamc@164
|
408 p_list_sep (box [space, string "|", space])
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adamc@164
|
409 (fn (x, n, NONE) => if !debug then (string (x ^ "__" ^ Int.toString n))
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adamc@164
|
410 else string x
|
adamc@164
|
411 | (x, _, SOME t) => box [if !debug then (string (x ^ "__" ^ Int.toString n))
|
adamc@164
|
412 else string x, space, string "of", space, p_typ env t])
|
adamc@164
|
413 cons]
|
adamc@164
|
414 end
|
adamc@164
|
415
|
adamc@1199
|
416 fun p_policy env pol =
|
adamc@1199
|
417 case pol of
|
adamc@1214
|
418 PolClient e => box [string "sendClient",
|
adamc@1214
|
419 space,
|
adamc@1214
|
420 p_exp env e]
|
adamc@1220
|
421 | PolInsert e => box [string "mayInsert",
|
adamc@1220
|
422 space,
|
adamc@1220
|
423 p_exp env e]
|
adamc@1221
|
424 | PolDelete e => box [string "mayDelete",
|
adamc@1221
|
425 space,
|
adamc@1221
|
426 p_exp env e]
|
adamc@1223
|
427 | PolUpdate e => box [string "mayUpdate",
|
adamc@1223
|
428 space,
|
adamc@1223
|
429 p_exp env e]
|
adamc@1229
|
430 | PolSequence e => box [string "sendOwnIds",
|
adamc@1229
|
431 space,
|
adamc@1229
|
432 p_exp env e]
|
adamc@1199
|
433
|
adamc@126
|
434 fun p_decl env (dAll as (d, _) : decl) =
|
adamc@25
|
435 case d of
|
adamc@808
|
436 DDatatype x => box [string "datatype",
|
adamc@808
|
437 space,
|
adamc@808
|
438 p_list_sep (box [space, string "and", space]) (p_datatype (E.declBinds env dAll)) x]
|
adamc@164
|
439 | DVal vi => box [string "val",
|
adamc@126
|
440 space,
|
adamc@126
|
441 p_vali env vi]
|
adamc@126
|
442 | DValRec vis =>
|
adamc@25
|
443 let
|
adamc@126
|
444 val env = E.declBinds env dAll
|
adamc@25
|
445 in
|
adamc@25
|
446 box [string "val",
|
adamc@25
|
447 space,
|
adamc@126
|
448 string "rec",
|
adamc@25
|
449 space,
|
adamc@126
|
450 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
|
adamc@25
|
451 end
|
adamc@109
|
452
|
adamc@1104
|
453 | DExport (ek, s, n, ts, t, _) => box [string "export",
|
adamc@1104
|
454 space,
|
adamc@1104
|
455 Export.p_export_kind ek,
|
adamc@1104
|
456 space,
|
adamc@1104
|
457 p_enamed env n,
|
adamc@1104
|
458 space,
|
adamc@1104
|
459 string "as",
|
adamc@1104
|
460 space,
|
adamc@1104
|
461 string s,
|
adamc@1104
|
462 p_list_sep (string "") (fn t => box [space,
|
adamc@1104
|
463 string "(",
|
adamc@1104
|
464 p_typ env t,
|
adamc@1104
|
465 string ")"]) ts,
|
adamc@1104
|
466 space,
|
adamc@1104
|
467 string "->",
|
adamc@1104
|
468 space,
|
adamc@1104
|
469 p_typ env t]
|
adamc@271
|
470
|
adamc@707
|
471 | DTable (s, xts, pe, ce) => box [string "(* SQL table ",
|
adamc@707
|
472 string s,
|
adamc@707
|
473 space,
|
adamc@707
|
474 string ":",
|
adamc@707
|
475 space,
|
adamc@707
|
476 p_list (fn (x, t) => box [string x,
|
adamc@707
|
477 space,
|
adamc@707
|
478 string ":",
|
adamc@707
|
479 space,
|
adamc@707
|
480 p_typ env t]) xts,
|
adamc@707
|
481 space,
|
adamc@707
|
482 string "keys",
|
adamc@707
|
483 space,
|
adamc@707
|
484 p_exp env pe,
|
adamc@707
|
485 space,
|
adamc@707
|
486 string "constraints",
|
adamc@707
|
487 space,
|
adamc@707
|
488 p_exp env ce,
|
adamc@707
|
489 space,
|
adamc@707
|
490 string "*)"]
|
adamc@338
|
491 | DSequence s => box [string "(* SQL sequence ",
|
adamc@338
|
492 string s,
|
adamc@338
|
493 string "*)"]
|
adamc@754
|
494 | DView (s, _, e) => box [string "(* SQL view ",
|
adamc@754
|
495 string s,
|
adamc@754
|
496 space,
|
adamc@754
|
497 string "as",
|
adamc@754
|
498 space,
|
adamc@754
|
499 p_exp env e,
|
adamc@754
|
500 string "*)"]
|
adamc@687
|
501 | DDatabase {name, expunge, initialize} => box [string "database",
|
adamc@687
|
502 space,
|
adamc@687
|
503 string name,
|
adamc@687
|
504 space,
|
adamc@687
|
505 string "(",
|
adamc@687
|
506 p_enamed env expunge,
|
adamc@687
|
507 string ",",
|
adamc@687
|
508 space,
|
adamc@687
|
509 p_enamed env initialize,
|
adamc@687
|
510 string ")"]
|
adamc@569
|
511 | DJavaScript s => box [string "JavaScript(",
|
adamc@569
|
512 string s,
|
adamc@569
|
513 string ")"]
|
adamc@569
|
514
|
adamc@725
|
515 | DCookie s => box [string "cookie",
|
adamc@725
|
516 space,
|
adamc@725
|
517 string s]
|
adamc@720
|
518 | DStyle s => box [string "style",
|
adamc@720
|
519 space,
|
adamc@720
|
520 string s]
|
adamc@1075
|
521 | DTask (e1, e2) => box [string "task",
|
adamc@1073
|
522 space,
|
adamc@1075
|
523 p_exp env e1,
|
adamc@1075
|
524 space,
|
adamc@1075
|
525 string "=",
|
adamc@1075
|
526 space,
|
adamc@1075
|
527 p_exp env e2]
|
adamc@1199
|
528 | DPolicy p => box [string "policy",
|
adamc@1199
|
529 space,
|
adamc@1199
|
530 p_policy env p]
|
adam@1294
|
531 | DOnError _ => string "ONERROR"
|
adamc@100
|
532
|
adam@1845
|
533 fun p_file env (file, _) =
|
adamc@25
|
534 let
|
adamc@31
|
535 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
|
adamc@31
|
536 (p_decl env d,
|
adamc@31
|
537 E.declBinds env d))
|
adamc@25
|
538 env file
|
adamc@25
|
539 in
|
adamc@25
|
540 p_list_sep newline (fn x => x) pds
|
adamc@25
|
541 end
|
adamc@25
|
542
|
adamc@25
|
543 end
|