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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 (* Grammar for Laconic/Web programs *)
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29
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30 open Source
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31
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32 val s = ErrorMsg.spanOf
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33
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34 fun capitalize "" = ""
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35 | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
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36
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37 fun entable t =
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38 case #1 t of
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39 TRecord c => c
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40 | _ => t
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41
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42 datatype select_item =
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43 Field of con * con
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44
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45 datatype select =
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46 Star
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47 | Items of select_item list
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48
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49 fun eqTnames ((c1, _), (c2, _)) =
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50 case (c1, c2) of
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51 (CVar (ms1, x1), CVar (ms2, x2)) => ms1 = ms2 andalso x1 = x2
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52 | (CName x1, CName x2) => x1 = x2
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53 | _ => false
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54
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55 fun amend_select loc (si, tabs) =
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56 let
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57 val (tx, c) = case si of
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58 Field (tx, fx) => (tx, (CRecord ([(fx, (CWild (KType, loc), loc))]), loc))
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59
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60 val (tabs, found) = ListUtil.foldlMap (fn ((tx', c'), found) =>
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61 if eqTnames (tx, tx') then
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62 ((tx', (CConcat (c, c'), loc)), true)
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63 else
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64 ((tx', c'), found))
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65 false tabs
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66 in
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67 if found then
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68 ()
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69 else
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70 ErrorMsg.errorAt loc "Select of field from unbound table";
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71
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72 tabs
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73 end
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74
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75 fun sql_inject (v, t, loc) =
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76 let
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77 val e = (EApp ((EVar (["Basis"], "sql_inject"), loc), (v, loc)), loc)
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78 in
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79 (EApp (e, (t, loc)), loc)
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80 end
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81
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82 fun sql_compare (oper, sqlexp1, sqlexp2, loc) =
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83 let
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84 val e = (EVar (["Basis"], "sql_comparison"), loc)
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85 val e = (EApp (e, (EVar (["Basis"], "sql_" ^ oper), loc)), loc)
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86 val e = (EApp (e, sqlexp1), loc)
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87 val e = (EApp (e, sqlexp2), loc)
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88 in
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89 (EApp (e, (EWild, loc)), loc)
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90 end
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91
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92 %%
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93 %header (functor LacwebLrValsFn(structure Token : TOKEN))
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94
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95 %term
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96 EOF
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97 | STRING of string | INT of Int64.int | FLOAT of Real64.real
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98 | SYMBOL of string | CSYMBOL of string
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99 | LPAREN | RPAREN | LBRACK | RBRACK | LBRACE | RBRACE
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100 | EQ | COMMA | COLON | DCOLON | TCOLON | DOT | HASH | UNDER | UNDERUNDER | BAR
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101 | DIVIDE | DOTDOTDOT
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102 | CON | LTYPE | VAL | REC | AND | FOLD | UNIT | KUNIT | CLASS
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103 | DATATYPE | OF
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104 | TYPE | NAME
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105 | ARROW | LARROW | DARROW | STAR
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106 | FN | PLUSPLUS | MINUSMINUS | DOLLAR | TWIDDLE
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107 | STRUCTURE | SIGNATURE | STRUCT | SIG | END | FUNCTOR | WHERE | EXTERN
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108 | INCLUDE | OPEN | CONSTRAINT | CONSTRAINTS | EXPORT | TABLE
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109 | CASE | IF | THEN | ELSE
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110
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111 | XML_BEGIN of string | XML_END
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112 | NOTAGS of string
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113 | BEGIN_TAG of string | END_TAG of string
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114
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115 | SELECT | FROM | AS | CWHERE
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116 | TRUE | FALSE
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117 | NE | LT | LE | GT | GE
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118
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119 %nonterm
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120 file of decl list
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121 | decls of decl list
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122 | decl of decl
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123 | vali of string * con option * exp
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124 | valis of (string * con option * exp) list
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125
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126 | dargs of string list
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127 | barOpt of unit
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128 | dcons of (string * con option) list
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129 | dcon of string * con option
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130
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131 | sgn of sgn
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132 | sgntm of sgn
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133 | sgi of sgn_item
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134 | sgis of sgn_item list
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135
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136 | str of str
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137
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138 | kind of kind
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139 | ktuple of kind list
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140 | kcolon of explicitness
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141
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142 | path of string list * string
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143 | cpath of string list * string
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144 | spath of str
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145 | mpath of string list
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146
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147 | cexp of con
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148 | capps of con
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149 | cterm of con
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150 | ctuple of con list
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151 | ctuplev of con list
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152 | ident of con
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153 | idents of con list
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154 | rcon of (con * con) list
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155 | rconn of (con * con) list
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156 | rcone of (con * con) list
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157
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158 | eexp of exp
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159 | eapps of exp
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160 | eterm of exp
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161 | etuple of exp list
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162 | rexp of (con * exp) list
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163 | xml of exp
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164 | xmlOne of exp
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165 | tag of string * exp
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166 | tagHead of string * exp
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167
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168 | branch of pat * exp
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169 | branchs of (pat * exp) list
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170 | pat of pat
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171 | pterm of pat
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172 | rpat of (string * pat) list * bool
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173 | ptuple of pat list
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174
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175 | attrs of (con * exp) list
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176 | attr of con * exp
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177 | attrv of exp
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178
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179 | query of exp
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180 | tables of (con * exp) list
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181 | tname of con
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182 | table of con * exp
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183 | tident of con
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184 | fident of con
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185 | seli of select_item
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186 | selis of select_item list
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187 | select of select
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188 | sqlexp of exp
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189 | wopt of exp
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190
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191
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192 %verbose (* print summary of errors *)
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193 %pos int (* positions *)
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194 %start file
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195 %pure
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196 %eop EOF
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197 %noshift EOF
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198
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199 %name Lacweb
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200
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201 %nonassoc IF THEN ELSE
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202 %nonassoc DARROW
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203 %nonassoc COLON
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204 %nonassoc DCOLON TCOLON
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205 %right COMMA
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206 %nonassoc EQ NE LT LE GT GE
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207 %right ARROW LARROW
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208 %right PLUSPLUS MINUSMINUS
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209 %right STAR
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210 %nonassoc TWIDDLE
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211 %nonassoc DOLLAR
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212 %left DOT
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213
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214 %%
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215
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216 file : decls (decls)
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217 | SIG sgis ([(DSgn ("?", (SgnConst sgis, s (SIGleft, sgisright))),
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218 s (SIGleft, sgisright))])
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219
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220 decls : ([])
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221 | decl decls (decl :: decls)
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222
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223 decl : CON SYMBOL EQ cexp (DCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
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224 | CON SYMBOL DCOLON kind EQ cexp (DCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
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225 | LTYPE SYMBOL EQ cexp (DCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
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226 s (LTYPEleft, cexpright))
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227 | DATATYPE SYMBOL dargs EQ barOpt dcons(DDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
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228 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
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229 (case dargs of
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230 [] => (DDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
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231 | _ => raise Fail "Arguments specified for imported datatype")
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232 | VAL vali (DVal vali, s (VALleft, valiright))
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233 | VAL REC valis (DValRec valis, s (VALleft, valisright))
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234
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235 | SIGNATURE CSYMBOL EQ sgn (DSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
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236 | STRUCTURE CSYMBOL EQ str (DStr (CSYMBOL, NONE, str), s (STRUCTUREleft, strright))
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237 | STRUCTURE CSYMBOL COLON sgn EQ str (DStr (CSYMBOL, SOME sgn, str), s (STRUCTUREleft, strright))
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238 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN EQ str
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239 (DStr (CSYMBOL1, NONE,
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240 (StrFun (CSYMBOL2, sgn1, NONE, str), s (FUNCTORleft, strright))),
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241 s (FUNCTORleft, strright))
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242 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn EQ str
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243 (DStr (CSYMBOL1, NONE,
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244 (StrFun (CSYMBOL2, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))),
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245 s (FUNCTORleft, strright))
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246 | EXTERN STRUCTURE CSYMBOL COLON sgn (DFfiStr (CSYMBOL, sgn), s (EXTERNleft, sgnright))
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247 | OPEN mpath (case mpath of
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248 [] => raise Fail "Impossible mpath parse [1]"
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249 | m :: ms => (DOpen (m, ms), s (OPENleft, mpathright)))
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250 | OPEN CONSTRAINTS mpath (case mpath of
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251 [] => raise Fail "Impossible mpath parse [3]"
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252 | m :: ms => (DOpenConstraints (m, ms), s (OPENleft, mpathright)))
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253 | CONSTRAINT cterm TWIDDLE cterm (DConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
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254 | EXPORT spath (DExport spath, s (EXPORTleft, spathright))
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255 | TABLE SYMBOL COLON cexp (DTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
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256 | CLASS SYMBOL EQ cexp (DClass (SYMBOL, cexp), s (CLASSleft, cexpright))
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257 | CLASS SYMBOL SYMBOL EQ cexp (let
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258 val loc = s (CLASSleft, cexpright)
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259 val k = (KType, loc)
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260 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
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261 in
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262 (DClass (SYMBOL1, c), s (CLASSleft, cexpright))
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263 end)
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264
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265 dargs : ([])
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266 | SYMBOL dargs (SYMBOL :: dargs)
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267
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268 barOpt : ()
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269 | BAR ()
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270
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271 dcons : dcon ([dcon])
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272 | dcon BAR dcons (dcon :: dcons)
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273
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274 dcon : CSYMBOL (CSYMBOL, NONE)
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275 | CSYMBOL OF cexp (CSYMBOL, SOME cexp)
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276
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277 vali : SYMBOL EQ eexp (SYMBOL, NONE, eexp)
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278 | SYMBOL COLON cexp EQ eexp (SYMBOL, SOME cexp, eexp)
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279
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280 valis : vali ([vali])
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281 | vali AND valis (vali :: valis)
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282
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283 sgn : sgntm (sgntm)
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284 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
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285 (SgnFun (CSYMBOL, sgn1, sgn2), s (FUNCTORleft, sgn2right))
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286
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287 sgntm : SIG sgis END (SgnConst sgis, s (SIGleft, ENDright))
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288 | mpath (case mpath of
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289 [] => raise Fail "Impossible mpath parse [2]"
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290 | [x] => SgnVar x
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291 | m :: ms => SgnProj (m,
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292 List.take (ms, length ms - 1),
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293 List.nth (ms, length ms - 1)),
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294 s (mpathleft, mpathright))
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295 | sgntm WHERE CON SYMBOL EQ cexp (SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
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296 | sgntm WHERE LTYPE SYMBOL EQ cexp(SgnWhere (sgntm, SYMBOL, cexp), s (sgntmleft, cexpright))
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297 | LPAREN sgn RPAREN (sgn)
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298
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299 sgi : CON SYMBOL DCOLON kind (SgiConAbs (SYMBOL, kind), s (CONleft, kindright))
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300 | LTYPE SYMBOL (SgiConAbs (SYMBOL, (KType, s (LTYPEleft, SYMBOLright))),
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301 s (LTYPEleft, SYMBOLright))
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302 | CON SYMBOL EQ cexp (SgiCon (SYMBOL, NONE, cexp), s (CONleft, cexpright))
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303 | CON SYMBOL DCOLON kind EQ cexp (SgiCon (SYMBOL, SOME kind, cexp), s (CONleft, cexpright))
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304 | LTYPE SYMBOL EQ cexp (SgiCon (SYMBOL, SOME (KType, s (LTYPEleft, cexpright)), cexp),
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305 s (LTYPEleft, cexpright))
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306 | DATATYPE SYMBOL dargs EQ barOpt dcons(SgiDatatype (SYMBOL, dargs, dcons), s (DATATYPEleft, dconsright))
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307 | DATATYPE SYMBOL dargs EQ DATATYPE CSYMBOL DOT path
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308 (case dargs of
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309 [] => (SgiDatatypeImp (SYMBOL, CSYMBOL :: #1 path, #2 path), s (DATATYPEleft, pathright))
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310 | _ => raise Fail "Arguments specified for imported datatype")
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311 | VAL SYMBOL COLON cexp (SgiVal (SYMBOL, cexp), s (VALleft, cexpright))
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312
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313 | STRUCTURE CSYMBOL COLON sgn (SgiStr (CSYMBOL, sgn), s (STRUCTUREleft, sgnright))
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314 | SIGNATURE CSYMBOL EQ sgn (SgiSgn (CSYMBOL, sgn), s (SIGNATUREleft, sgnright))
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315 | FUNCTOR CSYMBOL LPAREN CSYMBOL COLON sgn RPAREN COLON sgn
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316 (SgiStr (CSYMBOL1,
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317 (SgnFun (CSYMBOL2, sgn1, sgn2), s (FUNCTORleft, sgn2right))),
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318 s (FUNCTORleft, sgn2right))
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319 | INCLUDE sgn (SgiInclude sgn, s (INCLUDEleft, sgnright))
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320 | CONSTRAINT cterm TWIDDLE cterm (SgiConstraint (cterm1, cterm2), s (CONSTRAINTleft, ctermright))
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321 | TABLE SYMBOL COLON cexp (SgiTable (SYMBOL, entable cexp), s (TABLEleft, cexpright))
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adamc@211
|
322 | CLASS SYMBOL (SgiClassAbs SYMBOL, s (CLASSleft, SYMBOLright))
|
adamc@211
|
323 | CLASS SYMBOL EQ cexp (SgiClass (SYMBOL, cexp), s (CLASSleft, cexpright))
|
adamc@211
|
324 | CLASS SYMBOL SYMBOL EQ cexp (let
|
adamc@211
|
325 val loc = s (CLASSleft, cexpright)
|
adamc@211
|
326 val k = (KType, loc)
|
adamc@211
|
327 val c = (CAbs (SYMBOL2, SOME k, cexp), loc)
|
adamc@211
|
328 in
|
adamc@211
|
329 (SgiClass (SYMBOL1, c), s (CLASSleft, cexpright))
|
adamc@211
|
330 end)
|
adamc@30
|
331
|
adamc@30
|
332 sgis : ([])
|
adamc@30
|
333 | sgi sgis (sgi :: sgis)
|
adamc@30
|
334
|
adamc@30
|
335 str : STRUCT decls END (StrConst decls, s (STRUCTleft, ENDright))
|
adamc@34
|
336 | spath (spath)
|
adamc@40
|
337 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN DARROW str
|
adamc@40
|
338 (StrFun (CSYMBOL, sgn, NONE, str), s (FUNCTORleft, strright))
|
adamc@40
|
339 | FUNCTOR LPAREN CSYMBOL COLON sgn RPAREN COLON sgn DARROW str
|
adamc@40
|
340 (StrFun (CSYMBOL, sgn1, SOME sgn2, str), s (FUNCTORleft, strright))
|
adamc@44
|
341 | spath LPAREN str RPAREN (StrApp (spath, str), s (spathleft, RPARENright))
|
adamc@34
|
342
|
adamc@34
|
343 spath : CSYMBOL (StrVar CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
|
adamc@34
|
344 | spath DOT CSYMBOL (StrProj (spath, CSYMBOL), s (spathleft, CSYMBOLright))
|
adamc@30
|
345
|
adamc@1
|
346 kind : TYPE (KType, s (TYPEleft, TYPEright))
|
adamc@1
|
347 | NAME (KName, s (NAMEleft, NAMEright))
|
adamc@1
|
348 | LBRACE kind RBRACE (KRecord kind, s (LBRACEleft, RBRACEright))
|
adamc@1
|
349 | kind ARROW kind (KArrow (kind1, kind2), s (kind1left, kind2right))
|
adamc@1
|
350 | LPAREN kind RPAREN (#1 kind, s (LPARENleft, RPARENright))
|
adamc@82
|
351 | KUNIT (KUnit, s (KUNITleft, KUNITright))
|
adamc@18
|
352 | UNDERUNDER (KWild, s (UNDERUNDERleft, UNDERUNDERright))
|
adamc@207
|
353 | LPAREN ktuple RPAREN (KTuple ktuple, s (LPARENleft, RPARENright))
|
adamc@207
|
354
|
adamc@207
|
355 ktuple : kind STAR kind ([kind1, kind2])
|
adamc@207
|
356 | kind STAR ktuple (kind :: ktuple)
|
adamc@1
|
357
|
adamc@1
|
358 capps : cterm (cterm)
|
adamc@1
|
359 | capps cterm (CApp (capps, cterm), s (cappsleft, ctermright))
|
adamc@1
|
360
|
adamc@1
|
361 cexp : capps (capps)
|
adamc@1
|
362 | cexp ARROW cexp (TFun (cexp1, cexp2), s (cexp1left, cexp2right))
|
adamc@15
|
363 | SYMBOL kcolon kind ARROW cexp (TCFun (kcolon, SYMBOL, kind, cexp), s (SYMBOLleft, cexpright))
|
adamc@1
|
364
|
adamc@1
|
365 | cexp PLUSPLUS cexp (CConcat (cexp1, cexp2), s (cexp1left, cexp1right))
|
adamc@1
|
366
|
adamc@67
|
367 | FN SYMBOL DARROW cexp (CAbs (SYMBOL, NONE, cexp), s (FNleft, cexpright))
|
adamc@67
|
368 | FN SYMBOL DCOLON kind DARROW cexp (CAbs (SYMBOL, SOME kind, cexp), s (FNleft, cexpright))
|
adamc@84
|
369 | cterm TWIDDLE cterm DARROW cexp(CDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
|
adamc@85
|
370 | cterm TWIDDLE cterm ARROW cexp (TDisjoint (cterm1, cterm2, cexp), s (cterm1left, cexpright))
|
adamc@1
|
371
|
adamc@8
|
372 | LPAREN cexp RPAREN DCOLON kind (CAnnot (cexp, kind), s (LPARENleft, kindright))
|
adamc@6
|
373
|
adamc@18
|
374 | UNDER DCOLON kind (CWild kind, s (UNDERleft, UNDERright))
|
adamc@195
|
375 | ctuple (let
|
adamc@195
|
376 val loc = s (ctupleleft, ctupleright)
|
adamc@195
|
377 in
|
adamc@195
|
378 (TRecord (CRecord (ListUtil.mapi (fn (i, c) =>
|
adamc@195
|
379 ((CName (Int.toString (i + 1)), loc),
|
adamc@195
|
380 c)) ctuple),
|
adamc@195
|
381 loc), loc)
|
adamc@195
|
382 end)
|
adamc@18
|
383
|
adamc@1
|
384 kcolon : DCOLON (Explicit)
|
adamc@1
|
385 | TCOLON (Implicit)
|
adamc@1
|
386
|
adamc@34
|
387 path : SYMBOL ([], SYMBOL)
|
adamc@34
|
388 | CSYMBOL DOT path (let val (ms, x) = path in (CSYMBOL :: ms, x) end)
|
adamc@34
|
389
|
adamc@156
|
390 cpath : CSYMBOL ([], CSYMBOL)
|
adamc@156
|
391 | CSYMBOL DOT cpath (let val (ms, x) = cpath in (CSYMBOL :: ms, x) end)
|
adamc@156
|
392
|
adamc@59
|
393 mpath : CSYMBOL ([CSYMBOL])
|
adamc@59
|
394 | CSYMBOL DOT mpath (CSYMBOL :: mpath)
|
adamc@59
|
395
|
adamc@1
|
396 cterm : LPAREN cexp RPAREN (#1 cexp, s (LPARENleft, RPARENright))
|
adamc@1
|
397 | LBRACK rcon RBRACK (CRecord rcon, s (LBRACKleft, RBRACKright))
|
adamc@83
|
398 | LBRACK rconn RBRACK (CRecord rconn, s (LBRACKleft, RBRACKright))
|
adamc@1
|
399 | LBRACE rcone RBRACE (TRecord (CRecord rcone, s (LBRACEleft, RBRACEright)),
|
adamc@1
|
400 s (LBRACEleft, RBRACEright))
|
adamc@1
|
401 | DOLLAR cterm (TRecord cterm, s (DOLLARleft, ctermright))
|
adamc@1
|
402 | HASH CSYMBOL (CName CSYMBOL, s (HASHleft, CSYMBOLright))
|
adamc@195
|
403 | HASH INT (CName (Int64.toString INT), s (HASHleft, INTright))
|
adamc@1
|
404
|
adamc@34
|
405 | path (CVar path, s (pathleft, pathright))
|
adamc@207
|
406 | path DOT INT (CProj ((CVar path, s (pathleft, pathright)), Int64.toInt INT),
|
adamc@207
|
407 s (pathleft, INTright))
|
adamc@18
|
408 | UNDER (CWild (KWild, s (UNDERleft, UNDERright)), s (UNDERleft, UNDERright))
|
adamc@67
|
409 | FOLD (CFold, s (FOLDleft, FOLDright))
|
adamc@82
|
410 | UNIT (CUnit, s (UNITleft, UNITright))
|
adamc@207
|
411 | LPAREN ctuplev RPAREN (CTuple ctuplev, s (LPARENleft, RPARENright))
|
adamc@207
|
412
|
adamc@207
|
413 ctuplev: cexp COMMA cexp ([cexp1, cexp2])
|
adamc@207
|
414 | cexp COMMA ctuplev (cexp :: ctuplev)
|
adamc@1
|
415
|
adamc@196
|
416 ctuple : capps STAR capps ([capps1, capps2])
|
adamc@196
|
417 | capps STAR ctuple (capps :: ctuple)
|
adamc@195
|
418
|
adamc@1
|
419 rcon : ([])
|
adamc@1
|
420 | ident EQ cexp ([(ident, cexp)])
|
adamc@1
|
421 | ident EQ cexp COMMA rcon ((ident, cexp) :: rcon)
|
adamc@1
|
422
|
adamc@83
|
423 rconn : ident ([(ident, (CUnit, s (identleft, identright)))])
|
adamc@83
|
424 | ident COMMA rconn ((ident, (CUnit, s (identleft, identright))) :: rconn)
|
adamc@83
|
425
|
adamc@1
|
426 rcone : ([])
|
adamc@1
|
427 | ident COLON cexp ([(ident, cexp)])
|
adamc@1
|
428 | ident COLON cexp COMMA rcone ((ident, cexp) :: rcone)
|
adamc@1
|
429
|
adamc@1
|
430 ident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
|
adamc@195
|
431 | INT (CName (Int64.toString INT), s (INTleft, INTright))
|
adamc@200
|
432 | SYMBOL (CVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright))
|
adamc@8
|
433
|
adamc@8
|
434 eapps : eterm (eterm)
|
adamc@8
|
435 | eapps eterm (EApp (eapps, eterm), s (eappsleft, etermright))
|
adamc@8
|
436 | eapps LBRACK cexp RBRACK (ECApp (eapps, cexp), s (eappsleft, RBRACKright))
|
adamc@8
|
437
|
adamc@8
|
438 eexp : eapps (eapps)
|
adamc@8
|
439 | FN SYMBOL kcolon kind DARROW eexp (ECAbs (kcolon, SYMBOL, kind, eexp), s (FNleft, eexpright))
|
adamc@8
|
440 | FN SYMBOL COLON cexp DARROW eexp (EAbs (SYMBOL, SOME cexp, eexp), s (FNleft, eexpright))
|
adamc@8
|
441 | FN SYMBOL DARROW eexp (EAbs (SYMBOL, NONE, eexp), s (FNleft, eexpright))
|
adamc@212
|
442 | FN UNDER COLON cexp DARROW eexp (EAbs ("_", SOME cexp, eexp), s (FNleft, eexpright))
|
adamc@93
|
443 | LBRACK cterm TWIDDLE cterm RBRACK DARROW eexp(EDisjoint (cterm1, cterm2, eexp), s (LBRACKleft, RBRACKright))
|
adamc@93
|
444 | FN UNIT DARROW eexp (let
|
adamc@93
|
445 val loc = s (FNleft, eexpright)
|
adamc@93
|
446 in
|
adamc@93
|
447 (EAbs ("_", SOME (TRecord (CRecord [], loc), loc), eexp), loc)
|
adamc@93
|
448 end)
|
adamc@8
|
449
|
adamc@196
|
450 | eexp COLON cexp (EAnnot (eexp, cexp), s (eexpleft, cexpright))
|
adamc@149
|
451 | eexp MINUSMINUS cexp (ECut (eexp, cexp), s (eexpleft, cexpright))
|
adamc@170
|
452 | CASE eexp OF barOpt branch branchs (ECase (eexp, branch :: branchs), s (CASEleft, branchsright))
|
adamc@190
|
453 | IF eexp THEN eexp ELSE eexp (let
|
adamc@190
|
454 val loc = s (IFleft, eexp3right)
|
adamc@190
|
455 in
|
adamc@190
|
456 (ECase (eexp1, [((PCon (["Basis"], "True", NONE), loc), eexp2),
|
adamc@190
|
457 ((PCon (["Basis"], "False", NONE), loc), eexp3)]), loc)
|
adamc@190
|
458 end)
|
adamc@8
|
459
|
adamc@8
|
460 eterm : LPAREN eexp RPAREN (#1 eexp, s (LPARENleft, RPARENright))
|
adamc@195
|
461 | LPAREN etuple RPAREN (let
|
adamc@195
|
462 val loc = s (LPARENleft, RPARENright)
|
adamc@195
|
463 in
|
adamc@195
|
464 (ERecord (ListUtil.mapi (fn (i, e) =>
|
adamc@195
|
465 ((CName (Int.toString (i + 1)), loc),
|
adamc@195
|
466 e)) etuple), loc)
|
adamc@195
|
467 end)
|
adamc@8
|
468
|
adamc@34
|
469 | path (EVar path, s (pathleft, pathright))
|
adamc@156
|
470 | cpath (EVar cpath, s (cpathleft, cpathright))
|
adamc@12
|
471 | LBRACE rexp RBRACE (ERecord rexp, s (LBRACEleft, RBRACEright))
|
adamc@110
|
472 | UNIT (ERecord [], s (UNITleft, UNITright))
|
adamc@12
|
473
|
adamc@14
|
474 | INT (EPrim (Prim.Int INT), s (INTleft, INTright))
|
adamc@14
|
475 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
|
adamc@14
|
476 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
|
adamc@14
|
477
|
adamc@200
|
478 | path DOT idents (let
|
adamc@200
|
479 val loc = s (pathleft, identsright)
|
adamc@200
|
480 in
|
adamc@200
|
481 foldl (fn (ident, e) =>
|
adamc@200
|
482 (EField (e, ident), loc))
|
adamc@200
|
483 (EVar path, s (pathleft, pathright)) idents
|
adamc@200
|
484 end)
|
adamc@71
|
485 | FOLD (EFold, s (FOLDleft, FOLDright))
|
adamc@71
|
486
|
adamc@91
|
487 | XML_BEGIN xml XML_END (xml)
|
adamc@91
|
488 | XML_BEGIN XML_END (EApp ((EVar (["Basis"], "cdata"), s (XML_BEGINleft, XML_ENDright)),
|
adamc@91
|
489 (EPrim (Prim.String ""), s (XML_BEGINleft, XML_ENDright))),
|
adamc@91
|
490 s (XML_BEGINleft, XML_ENDright))
|
adamc@204
|
491 | LPAREN query RPAREN (query)
|
adamc@211
|
492 | UNDER (EWild, s (UNDERleft, UNDERright))
|
adamc@91
|
493
|
adamc@200
|
494 idents : ident ([ident])
|
adamc@200
|
495 | ident DOT idents (ident :: idents)
|
adamc@200
|
496
|
adamc@195
|
497 etuple : eexp COMMA eexp ([eexp1, eexp2])
|
adamc@195
|
498 | eexp COMMA etuple (eexp :: etuple)
|
adamc@195
|
499
|
adamc@170
|
500 branch : pat DARROW eexp (pat, eexp)
|
adamc@170
|
501
|
adamc@170
|
502 branchs: ([])
|
adamc@170
|
503 | BAR branch branchs (branch :: branchs)
|
adamc@170
|
504
|
adamc@170
|
505 pat : pterm (pterm)
|
adamc@170
|
506 | cpath pterm (PCon (#1 cpath, #2 cpath, SOME pterm), s (cpathleft, ptermright))
|
adamc@170
|
507
|
adamc@170
|
508 pterm : SYMBOL (PVar SYMBOL, s (SYMBOLleft, SYMBOLright))
|
adamc@170
|
509 | cpath (PCon (#1 cpath, #2 cpath, NONE), s (cpathleft, cpathright))
|
adamc@170
|
510 | UNDER (PWild, s (UNDERleft, UNDERright))
|
adamc@173
|
511 | INT (PPrim (Prim.Int INT), s (INTleft, INTright))
|
adamc@173
|
512 | STRING (PPrim (Prim.String STRING), s (STRINGleft, STRINGright))
|
adamc@170
|
513 | LPAREN pat RPAREN (pat)
|
adamc@174
|
514 | LBRACE RBRACE (PRecord ([], false), s (LBRACEleft, RBRACEright))
|
adamc@174
|
515 | UNIT (PRecord ([], false), s (UNITleft, UNITright))
|
adamc@174
|
516 | LBRACE rpat RBRACE (PRecord rpat, s (LBRACEleft, RBRACEright))
|
adamc@195
|
517 | LPAREN ptuple RPAREN (PRecord (ListUtil.mapi (fn (i, p) => (Int.toString (i + 1), p)) ptuple,
|
adamc@195
|
518 false),
|
adamc@195
|
519 s (LPARENleft, RPARENright))
|
adamc@174
|
520
|
adamc@175
|
521 rpat : CSYMBOL EQ pat ([(CSYMBOL, pat)], false)
|
adamc@174
|
522 | DOTDOTDOT ([], true)
|
adamc@175
|
523 | CSYMBOL EQ pat COMMA rpat ((CSYMBOL, pat) :: #1 rpat, #2 rpat)
|
adamc@170
|
524
|
adamc@195
|
525 ptuple : pat COMMA pat ([pat1, pat2])
|
adamc@195
|
526 | pat COMMA ptuple (pat :: ptuple)
|
adamc@195
|
527
|
adamc@12
|
528 rexp : ([])
|
adamc@12
|
529 | ident EQ eexp ([(ident, eexp)])
|
adamc@12
|
530 | ident EQ eexp COMMA rexp ((ident, eexp) :: rexp)
|
adamc@91
|
531
|
adamc@141
|
532 xml : xmlOne xml (let
|
adamc@141
|
533 val pos = s (xmlOneleft, xmlright)
|
adamc@141
|
534 in
|
adamc@141
|
535 (EApp ((EApp (
|
adamc@141
|
536 (EVar (["Basis"], "join"), pos),
|
adamc@91
|
537 xmlOne), pos),
|
adamc@141
|
538 xml), pos)
|
adamc@141
|
539 end)
|
adamc@141
|
540 | xmlOne (xmlOne)
|
adamc@91
|
541
|
adamc@141
|
542 xmlOne : NOTAGS (EApp ((EVar (["Basis"], "cdata"), s (NOTAGSleft, NOTAGSright)),
|
adamc@141
|
543 (EPrim (Prim.String NOTAGS), s (NOTAGSleft, NOTAGSright))),
|
adamc@141
|
544 s (NOTAGSleft, NOTAGSright))
|
adamc@141
|
545 | tag DIVIDE GT (let
|
adamc@141
|
546 val pos = s (tagleft, GTright)
|
adamc@141
|
547 in
|
adamc@141
|
548 (EApp (#2 tag,
|
adamc@141
|
549 (EApp ((EVar (["Basis"], "cdata"), pos),
|
adamc@141
|
550 (EPrim (Prim.String ""), pos)),
|
adamc@141
|
551 pos)), pos)
|
adamc@141
|
552 end)
|
adamc@141
|
553
|
adamc@141
|
554 | tag GT xml END_TAG (let
|
adamc@141
|
555 val pos = s (tagleft, GTright)
|
adamc@141
|
556 in
|
adamc@141
|
557 if #1 tag = END_TAG then
|
adamc@141
|
558 if END_TAG = "lform" then
|
adamc@141
|
559 (EApp ((EVar (["Basis"], "lform"), pos),
|
adamc@141
|
560 xml), pos)
|
adamc@141
|
561 else
|
adamc@141
|
562 (EApp (#2 tag, xml), pos)
|
adamc@141
|
563 else
|
adamc@141
|
564 (ErrorMsg.errorAt pos "Begin and end tags don't match.";
|
adamc@141
|
565 (EFold, pos))
|
adamc@141
|
566 end)
|
adamc@141
|
567 | LBRACE eexp RBRACE (eexp)
|
adamc@92
|
568
|
adamc@141
|
569 tag : tagHead attrs (let
|
adamc@141
|
570 val pos = s (tagHeadleft, attrsright)
|
adamc@141
|
571 in
|
adamc@141
|
572 (#1 tagHead,
|
adamc@141
|
573 (EApp ((EApp ((EVar (["Basis"], "tag"), pos),
|
adamc@141
|
574 (ERecord attrs, pos)), pos),
|
adamc@141
|
575 (EApp (#2 tagHead,
|
adamc@141
|
576 (ERecord [], pos)), pos)),
|
adamc@141
|
577 pos))
|
adamc@141
|
578 end)
|
adamc@141
|
579
|
adamc@141
|
580 tagHead: BEGIN_TAG (let
|
adamc@141
|
581 val pos = s (BEGIN_TAGleft, BEGIN_TAGright)
|
adamc@141
|
582 in
|
adamc@141
|
583 (BEGIN_TAG,
|
adamc@141
|
584 (EVar ([], BEGIN_TAG), pos))
|
adamc@141
|
585 end)
|
adamc@141
|
586 | tagHead LBRACE cexp RBRACE (#1 tagHead, (ECApp (#2 tagHead, cexp), s (tagHeadleft, RBRACEright)))
|
adamc@92
|
587
|
adamc@104
|
588 attrs : ([])
|
adamc@104
|
589 | attr attrs (attr :: attrs)
|
adamc@104
|
590
|
adamc@204
|
591 attr : SYMBOL EQ attrv ((CName (capitalize SYMBOL), s (SYMBOLleft, SYMBOLright)), attrv)
|
adamc@204
|
592
|
adamc@104
|
593 attrv : INT (EPrim (Prim.Int INT), s (INTleft, INTright))
|
adamc@104
|
594 | FLOAT (EPrim (Prim.Float FLOAT), s (FLOATleft, FLOATright))
|
adamc@104
|
595 | STRING (EPrim (Prim.String STRING), s (STRINGleft, STRINGright))
|
adamc@110
|
596 | LBRACE eexp RBRACE (eexp)
|
adamc@204
|
597
|
adamc@209
|
598 query : SELECT select FROM tables wopt
|
adamc@209
|
599 (let
|
adamc@204
|
600 val loc = s (SELECTleft, tablesright)
|
adamc@207
|
601
|
adamc@207
|
602 val sel =
|
adamc@207
|
603 case select of
|
adamc@207
|
604 Star => map (fn (nm, _) =>
|
adamc@207
|
605 (nm, (CTuple [(CWild (KRecord (KType, loc), loc),
|
adamc@207
|
606 loc),
|
adamc@207
|
607 (CRecord [], loc)],
|
adamc@207
|
608 loc))) tables
|
adamc@207
|
609 | Items sis =>
|
adamc@207
|
610 let
|
adamc@207
|
611 val tabs = map (fn (nm, _) => (nm, (CRecord [], loc))) tables
|
adamc@207
|
612 val tabs = foldl (amend_select loc) tabs sis
|
adamc@207
|
613 in
|
adamc@207
|
614 map (fn (nm, c) => (nm,
|
adamc@207
|
615 (CTuple [c,
|
adamc@207
|
616 (CWild (KRecord (KType, loc), loc),
|
adamc@207
|
617 loc)], loc))) tabs
|
adamc@207
|
618 end
|
adamc@207
|
619
|
adamc@207
|
620 val sel = (CRecord sel, loc)
|
adamc@207
|
621
|
adamc@207
|
622 val e = (EVar (["Basis"], "sql_query"), loc)
|
adamc@207
|
623 val e = (ECApp (e, sel), loc)
|
adamc@209
|
624 val re = (ERecord [((CName "From", loc),
|
adamc@209
|
625 (ERecord tables, loc)),
|
adamc@209
|
626 ((CName "Where", loc),
|
adamc@209
|
627 wopt)], loc)
|
adamc@209
|
628 val e = (EApp (e, re), loc)
|
adamc@204
|
629 in
|
adamc@207
|
630 e
|
adamc@204
|
631 end)
|
adamc@204
|
632
|
adamc@204
|
633 tables : table ([table])
|
adamc@204
|
634 | table COMMA tables (table :: tables)
|
adamc@204
|
635
|
adamc@204
|
636 tname : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
|
adamc@204
|
637 | LBRACE cexp RBRACE (cexp)
|
adamc@204
|
638
|
adamc@207
|
639 table : SYMBOL ((CName SYMBOL, s (SYMBOLleft, SYMBOLright)),
|
adamc@204
|
640 (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
|
adamc@204
|
641 | SYMBOL AS tname (tname, (EVar ([], SYMBOL), s (SYMBOLleft, SYMBOLright)))
|
adamc@204
|
642 | LBRACE eexp RBRACE AS tname (tname, eexp)
|
adamc@207
|
643
|
adamc@207
|
644 tident : SYMBOL (CName SYMBOL, s (SYMBOLleft, SYMBOLright))
|
adamc@207
|
645 | CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
|
adamc@207
|
646 | LBRACE cexp RBRACE (cexp)
|
adamc@207
|
647
|
adamc@207
|
648 fident : CSYMBOL (CName CSYMBOL, s (CSYMBOLleft, CSYMBOLright))
|
adamc@207
|
649 | LBRACE cexp RBRACE (cexp)
|
adamc@207
|
650
|
adamc@207
|
651 seli : tident DOT fident (Field (tident, fident))
|
adamc@207
|
652
|
adamc@207
|
653 selis : seli ([seli])
|
adamc@207
|
654 | seli COMMA selis (seli :: selis)
|
adamc@207
|
655
|
adamc@207
|
656 select : STAR (Star)
|
adamc@207
|
657 | selis (Items selis)
|
adamc@209
|
658
|
adamc@209
|
659 sqlexp : TRUE (sql_inject (EVar (["Basis"], "True"),
|
adamc@209
|
660 EVar (["Basis"], "sql_bool"),
|
adamc@209
|
661 s (TRUEleft, TRUEright)))
|
adamc@209
|
662 | FALSE (sql_inject (EVar (["Basis"], "False"),
|
adamc@209
|
663 EVar (["Basis"], "sql_bool"),
|
adamc@209
|
664 s (FALSEleft, FALSEright)))
|
adamc@209
|
665
|
adamc@219
|
666 | sqlexp EQ sqlexp (sql_compare ("eq", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
|
adamc@219
|
667 | sqlexp NE sqlexp (sql_compare ("ne", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
|
adamc@219
|
668 | sqlexp LT sqlexp (sql_compare ("lt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
|
adamc@219
|
669 | sqlexp LE sqlexp (sql_compare ("le", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
|
adamc@219
|
670 | sqlexp GT sqlexp (sql_compare ("gt", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
|
adamc@219
|
671 | sqlexp GE sqlexp (sql_compare ("ge", sqlexp1, sqlexp2, s (sqlexp1left, sqlexp2right)))
|
adamc@219
|
672
|
adamc@210
|
673 | LBRACE eexp RBRACE (sql_inject (#1 eexp,
|
adamc@211
|
674 EWild,
|
adamc@210
|
675 s (LBRACEleft, RBRACEright)))
|
adamc@210
|
676
|
adamc@209
|
677 wopt : (sql_inject (EVar (["Basis"], "True"),
|
adamc@209
|
678 EVar (["Basis"], "sql_bool"),
|
adamc@209
|
679 ErrorMsg.dummySpan))
|
adamc@209
|
680 | CWHERE sqlexp (sqlexp)
|