adamc@763
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1 (* -*- mode: sml-lex -*- *)
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2
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3 (* Copyright (c) 2008-2009, Adam Chlipala
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4 * All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * - Redistributions of source code must retain the above copyright notice,
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10 * this list of conditions and the following disclaimer.
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11 * - Redistributions in binary form must reproduce the above copyright notice,
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12 * this list of conditions and the following disclaimer in the documentation
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13 * and/or other materials provided with the distribution.
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14 * - The names of contributors may not be used to endorse or promote products
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15 * derived from this software without specific prior written permission.
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16 *
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17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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27 * POSSIBILITY OF SUCH DAMAGE.
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28 *)
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29
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30 (* Lexing info for Ur/Web programs *)
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31
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32 type pos = int
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33 type svalue = Tokens.svalue
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34 type ('a,'b) token = ('a,'b) Tokens.token
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35 type lexresult = (svalue,pos) Tokens.token
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36
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37 local
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38 val commentLevel = ref 0
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39 val commentPos = ref 0
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40 in
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41 fun enterComment pos =
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42 (if !commentLevel = 0 then
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43 commentPos := pos
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44 else
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45 ();
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46 commentLevel := !commentLevel + 1)
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47
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48 fun exitComment () =
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49 (ignore (commentLevel := !commentLevel - 1);
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50 !commentLevel = 0)
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51
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52 fun eof () =
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53 let
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54 val pos = ErrorMsg.lastLineStart ()
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55 in
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56 if !commentLevel > 0 then
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57 ErrorMsg.errorAt' (!commentPos, !commentPos) "Unterminated comment"
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58 else
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59 ();
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60 Tokens.EOF (pos, pos)
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61 end
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62 end
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63
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64 val strEnder = ref #"\""
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65 val str = ref ([] : char list)
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66 val strStart = ref 0
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67
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68 local
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69 val initSig = ref false
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70 val offset = ref 0
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71 in
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72
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73 fun initialSig () = initSig := true
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74
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75 fun pos yypos = yypos - !offset
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76
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77 fun newline yypos =
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78 if !initSig then
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79 (initSig := false;
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80 offset := yypos + 1)
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81 else
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82 ErrorMsg.newline (pos yypos)
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83
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84 end
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85
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86 val xmlTag = ref ([] : string list)
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87 val xmlString = ref true
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88 val braceLevels = ref ([] : ((unit -> unit) * int) list)
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89
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90 fun pushLevel s = braceLevels := (s, 1) :: (!braceLevels)
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91
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92 fun enterBrace () =
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93 case !braceLevels of
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94 (s, i) :: rest => braceLevels := (s, i+1) :: rest
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95 | _ => ()
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96
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97 fun exitBrace () =
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98 case !braceLevels of
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99 (s, i) :: rest =>
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100 if i = 1 then
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101 (braceLevels := rest;
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102 s ())
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103 else
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104 braceLevels := (s, i-1) :: rest
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105 | _ => ()
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106
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107 fun initialize () = (xmlTag := [];
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108 xmlString := false)
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109
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110
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111 fun unescape loc s =
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112 let
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113 fun process (s, acc) =
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114 let
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115 val (befor, after) = Substring.splitl (fn ch => ch <> #"&") s
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116 in
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117 if Substring.size after = 0 then
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118 Substring.concat (rev (s :: acc))
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119 else
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120 let
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121 val after = Substring.slice (after, 1, NONE)
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122 val (befor', after') = Substring.splitl (fn ch => ch <> #";") after
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123 in
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124 if Substring.size after' = 0 then
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125 (ErrorMsg.errorAt' loc "Missing ';' after '&'";
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126 "")
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127 else
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128 let
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129 val pre = befor
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130 val code = befor'
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131 val s = Substring.slice (after', 1, NONE)
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132
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133 val special =
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134 if Substring.size code > 0 andalso Substring.sub (code, 0) = #"#"
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135 andalso CharVectorSlice.all Char.isDigit (Substring.slice (code, 1, NONE)) then
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136 let
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137 val code = Substring.string (Substring.slice (code, 1, NONE))
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138 in
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139 Option.map chr (Int.fromString code)
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140 end
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141 else case Substring.string code of
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142 "amp" => SOME #"&"
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143 | "lt" => SOME #"<"
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144 | "gt" => SOME #">"
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145 | "quot" => SOME #"\""
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146 | _ => NONE
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147 in
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148 case special of
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149 NONE => (ErrorMsg.errorAt' loc ("Unsupported XML character entity "
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150 ^ Substring.string code);
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151 "")
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152 | SOME ch => process (s, Substring.full (String.str ch) :: pre :: acc)
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153 end
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154 end
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155 end
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156 in
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157 process (Substring.full s, [])
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158 end
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159
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160 %%
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161 %header (functor UrwebLexFn(structure Tokens : Urweb_TOKENS));
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162 %full
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163 %s COMMENT STRING CHAR XML XMLTAG;
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164
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165 id = [a-z_][A-Za-z0-9_']*;
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166 cid = [A-Z][A-Za-z0-9_]*;
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167 ws = [\ \t\012];
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168 intconst = [0-9]+;
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169 realconst = [0-9]+\.[0-9]*;
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170 notags = [^<{\n]+;
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171 oint = [0-9][0-9][0-9];
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172 xint = x[0-9a-fA-F][0-9a-fA-F];
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173
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174 %%
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175
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176 <INITIAL> \n => (newline yypos;
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177 continue ());
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178 <COMMENT> \n => (newline yypos;
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179 continue ());
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180 <XMLTAG> \n => (newline yypos;
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181 continue ());
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182 <XML> \n => (newline yypos;
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183 Tokens.NOTAGS (yytext, yypos, yypos + size yytext));
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184
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185 <INITIAL> {ws}+ => (lex ());
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186
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187 <INITIAL> "(*" => (YYBEGIN COMMENT;
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188 enterComment (pos yypos);
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189 continue ());
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190 <INITIAL> "*)" => (ErrorMsg.errorAt' (pos yypos, pos yypos) "Unbalanced comments";
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191 continue ());
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192
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193 <COMMENT> "(*" => (enterComment (pos yypos);
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194 continue ());
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195 <COMMENT> "*)" => (if exitComment () then YYBEGIN INITIAL else ();
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196 continue ());
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197
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198 <STRING,CHAR> "\\\"" => (str := #"\"" :: !str; continue());
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199 <STRING,CHAR> "\\'" => (str := #"'" :: !str; continue());
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200 <STRING,CHAR> "\\n" => (str := #"\n" :: !str; continue());
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201 <STRING,CHAR> "\\t" => (str := #"\t" :: !str; continue());
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202 <STRING,CHAR> "\n" => (newline yypos;
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203 str := #"\n" :: !str; continue());
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204 <STRING,CHAR> "\\" {oint} => (case StringCvt.scanString (Int.scan StringCvt.OCT)
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205 (String.extract (yytext, 1, NONE)) of
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206 NONE => ErrorMsg.errorAt' (pos yypos, pos yypos) "Illegal string escape"
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207 | SOME n => str := chr n :: !str;
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208 continue());
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209 <STRING,CHAR> "\\" {xint} => (case StringCvt.scanString (Int.scan StringCvt.HEX)
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210 (String.extract (yytext, 2, NONE)) of
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211 NONE => ErrorMsg.errorAt' (pos yypos, pos yypos) "Illegal string escape"
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212 | SOME n => str := chr n :: !str;
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213 continue());
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214
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215 <INITIAL> "#\"" => (YYBEGIN CHAR; strEnder := #"\""; strStart := pos yypos; str := []; continue());
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216
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217 <CHAR> . => (let
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218 val ch = String.sub (yytext, 0)
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219 in
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220 if ch = !strEnder then
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221 let
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222 val s = String.implode (List.rev (!str))
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223 in
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224 YYBEGIN INITIAL;
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225 if size s = 1 then
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226 Tokens.CHAR (String.sub (s, 0), !strStart, pos yypos + 1)
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227 else
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228 (ErrorMsg.errorAt' (yypos, yypos)
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229 "Character constant is zero or multiple characters";
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230 continue ())
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231 end
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232 else
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233 (str := ch :: !str;
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234 continue ())
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235 end);
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236
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237 <INITIAL> "\"" => (YYBEGIN STRING; strEnder := #"\""; strStart := pos yypos; str := []; continue());
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238 <INITIAL> "'" => (YYBEGIN STRING; strEnder := #"'"; strStart := pos yypos; str := []; continue());
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239
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240 <STRING> . => (let
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241 val ch = String.sub (yytext, 0)
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242 in
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243 if ch = !strEnder then
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244 (if !xmlString then
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245 (xmlString := false; YYBEGIN XMLTAG)
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246 else
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247 YYBEGIN INITIAL;
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248 Tokens.STRING (String.implode (List.rev (!str)), !strStart, pos yypos + 1))
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249 else
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250 (str := ch :: !str;
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251 continue ())
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252 end);
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253
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254 <INITIAL> "<" {id} "/>"=>(let
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255 val tag = String.substring (yytext, 1, size yytext - 3)
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256 in
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257 Tokens.XML_BEGIN_END (tag, yypos, yypos + size yytext)
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258 end);
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259 <INITIAL> "<" {id} ">"=> (let
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260 val tag = String.substring (yytext, 1, size yytext - 2)
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261 in
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262 YYBEGIN XML;
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263 xmlTag := tag :: (!xmlTag);
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264 Tokens.XML_BEGIN (tag, yypos, yypos + size yytext)
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265 end);
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266 <XML> "</" {id} ">" => (let
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267 val id = String.substring (yytext, 2, size yytext - 3)
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268 in
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269 case !xmlTag of
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270 id' :: rest =>
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271 if id = id' then
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272 (YYBEGIN INITIAL;
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273 xmlTag := rest;
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274 Tokens.XML_END (yypos, yypos + size yytext))
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275 else
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276 Tokens.END_TAG (id, yypos, yypos + size yytext)
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277 | _ =>
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278 Tokens.END_TAG (id, yypos, yypos + size yytext)
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279 end);
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280
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281 <XML> "<" {id} => (YYBEGIN XMLTAG;
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282 Tokens.BEGIN_TAG (String.extract (yytext, 1, NONE),
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283 yypos, yypos + size yytext));
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284
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285 <XMLTAG> "/" => (Tokens.DIVIDE (yypos, yypos + size yytext));
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286 <XMLTAG> ">" => (YYBEGIN XML;
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287 Tokens.GT (yypos, yypos + size yytext));
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288
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289 <XMLTAG> {ws}+ => (lex ());
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290
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291 <XMLTAG> {id} => (Tokens.SYMBOL (yytext, yypos, yypos + size yytext));
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292 <XMLTAG> "=" => (Tokens.EQ (yypos, yypos + size yytext));
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293
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294 <XMLTAG> {intconst} => (case Int64.fromString yytext of
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295 SOME x => Tokens.INT (x, yypos, yypos + size yytext)
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296 | NONE => (ErrorMsg.errorAt' (yypos, yypos)
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297 ("Expected int, received: " ^ yytext);
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298 continue ()));
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299 <XMLTAG> {realconst} => (case Real.fromString yytext of
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300 SOME x => Tokens.FLOAT (x, yypos, yypos + size yytext)
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301 | NONE => (ErrorMsg.errorAt' (yypos, yypos)
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302 ("Expected float, received: " ^ yytext);
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303 continue ()));
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304 <XMLTAG> "\"" => (YYBEGIN STRING;
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305 xmlString := true; strEnder := #"\"";
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306 strStart := yypos; str := []; continue ());
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307
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308 <XMLTAG> "{" => (YYBEGIN INITIAL;
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309 pushLevel (fn () => YYBEGIN XMLTAG);
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310 Tokens.LBRACE (yypos, yypos + 1));
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311 <XMLTAG> "(" => (YYBEGIN INITIAL;
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312 pushLevel (fn () => YYBEGIN XMLTAG);
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313 Tokens.LPAREN (yypos, yypos + 1));
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314
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315 <XMLTAG> . => (ErrorMsg.errorAt' (yypos, yypos)
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316 ("illegal XML tag character: \"" ^ yytext ^ "\"");
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317 continue ());
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318
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319 <XML> "{" => (YYBEGIN INITIAL;
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320 pushLevel (fn () => YYBEGIN XML);
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321 Tokens.LBRACE (yypos, yypos + 1));
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322
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323 <XML> {notags} => (Tokens.NOTAGS (unescape (yypos, yypos + size yytext) yytext, yypos, yypos + size yytext));
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324
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adamc@91
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325 <XML> . => (ErrorMsg.errorAt' (yypos, yypos)
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adamc@91
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326 ("illegal XML character: \"" ^ yytext ^ "\"");
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327 continue ());
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328
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adamc@82
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329 <INITIAL> "()" => (Tokens.UNIT (pos yypos, pos yypos + size yytext));
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330 <INITIAL> "(" => (Tokens.LPAREN (pos yypos, pos yypos + size yytext));
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331 <INITIAL> ")" => (Tokens.RPAREN (pos yypos, pos yypos + size yytext));
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adamc@54
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332 <INITIAL> "[" => (Tokens.LBRACK (pos yypos, pos yypos + size yytext));
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adamc@54
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333 <INITIAL> "]" => (Tokens.RBRACK (pos yypos, pos yypos + size yytext));
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adamc@110
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334 <INITIAL> "{" => (enterBrace ();
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adamc@110
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335 Tokens.LBRACE (pos yypos, pos yypos + size yytext));
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adamc@110
|
336 <INITIAL> "}" => (exitBrace ();
|
adamc@110
|
337 Tokens.RBRACE (pos yypos, pos yypos + size yytext));
|
adamc@1
|
338
|
adamc@623
|
339 <INITIAL> "-->" => (Tokens.KARROW (pos yypos, pos yypos + size yytext));
|
adamc@54
|
340 <INITIAL> "->" => (Tokens.ARROW (pos yypos, pos yypos + size yytext));
|
adamc@623
|
341 <INITIAL> "==>" => (Tokens.DKARROW (pos yypos, pos yypos + size yytext));
|
adamc@54
|
342 <INITIAL> "=>" => (Tokens.DARROW (pos yypos, pos yypos + size yytext));
|
adamc@54
|
343 <INITIAL> "++" => (Tokens.PLUSPLUS (pos yypos, pos yypos + size yytext));
|
adamc@149
|
344 <INITIAL> "--" => (Tokens.MINUSMINUS (pos yypos, pos yypos + size yytext));
|
adamc@493
|
345 <INITIAL> "---" => (Tokens.MINUSMINUSMINUS (pos yypos, pos yypos + size yytext));
|
adamc@674
|
346 <INITIAL> "^" => (Tokens.CARET (pos yypos, pos yypos + size yytext));
|
adamc@1
|
347
|
adamc@842
|
348 <INITIAL> "&&" => (Tokens.ANDALSO (pos yypos, pos yypos + size yytext));
|
adamc@842
|
349 <INITIAL> "||" => (Tokens.ORELSE (pos yypos, pos yypos + size yytext));
|
adamc@842
|
350
|
adamc@54
|
351 <INITIAL> "=" => (Tokens.EQ (pos yypos, pos yypos + size yytext));
|
adamc@219
|
352 <INITIAL> "<>" => (Tokens.NE (pos yypos, pos yypos + size yytext));
|
adamc@219
|
353 <INITIAL> "<" => (Tokens.LT (pos yypos, pos yypos + size yytext));
|
adamc@219
|
354 <INITIAL> ">" => (Tokens.GT (pos yypos, pos yypos + size yytext));
|
adamc@219
|
355 <INITIAL> "<=" => (Tokens.LE (pos yypos, pos yypos + size yytext));
|
adamc@219
|
356 <INITIAL> ">=" => (Tokens.GE (pos yypos, pos yypos + size yytext));
|
adamc@54
|
357 <INITIAL> "," => (Tokens.COMMA (pos yypos, pos yypos + size yytext));
|
adamc@54
|
358 <INITIAL> ":::" => (Tokens.TCOLON (pos yypos, pos yypos + size yytext));
|
adamc@54
|
359 <INITIAL> "::" => (Tokens.DCOLON (pos yypos, pos yypos + size yytext));
|
adamc@54
|
360 <INITIAL> ":" => (Tokens.COLON (pos yypos, pos yypos + size yytext));
|
adamc@174
|
361 <INITIAL> "..." => (Tokens.DOTDOTDOT (pos yypos, pos yypos + size yytext));
|
adamc@54
|
362 <INITIAL> "." => (Tokens.DOT (pos yypos, pos yypos + size yytext));
|
adamc@54
|
363 <INITIAL> "$" => (Tokens.DOLLAR (pos yypos, pos yypos + size yytext));
|
adamc@54
|
364 <INITIAL> "#" => (Tokens.HASH (pos yypos, pos yypos + size yytext));
|
adamc@54
|
365 <INITIAL> "__" => (Tokens.UNDERUNDER (pos yypos, pos yypos + size yytext));
|
adamc@54
|
366 <INITIAL> "_" => (Tokens.UNDER (pos yypos, pos yypos + size yytext));
|
adamc@84
|
367 <INITIAL> "~" => (Tokens.TWIDDLE (pos yypos, pos yypos + size yytext));
|
adamc@156
|
368 <INITIAL> "|" => (Tokens.BAR (pos yypos, pos yypos + size yytext));
|
adamc@195
|
369 <INITIAL> "*" => (Tokens.STAR (pos yypos, pos yypos + size yytext));
|
adamc@243
|
370 <INITIAL> "<-" => (Tokens.LARROW (pos yypos, pos yypos + size yytext));
|
adamc@243
|
371 <INITIAL> ";" => (Tokens.SEMI (pos yypos, pos yypos + size yytext));
|
adamc@629
|
372 <INITIAL> "!" => (Tokens.BANG (pos yypos, pos yypos + size yytext));
|
adamc@1
|
373
|
adamc@389
|
374 <INITIAL> "+" => (Tokens.PLUS (pos yypos, pos yypos + size yytext));
|
adamc@389
|
375 <INITIAL> "-" => (Tokens.MINUS (pos yypos, pos yypos + size yytext));
|
adamc@389
|
376 <INITIAL> "/" => (Tokens.DIVIDE (yypos, yypos + size yytext));
|
adamc@389
|
377 <INITIAL> "%" => (Tokens.MOD (pos yypos, pos yypos + size yytext));
|
adamc@403
|
378 <INITIAL> "@" => (Tokens.AT (pos yypos, pos yypos + size yytext));
|
adamc@389
|
379
|
adamc@54
|
380 <INITIAL> "con" => (Tokens.CON (pos yypos, pos yypos + size yytext));
|
adamc@54
|
381 <INITIAL> "type" => (Tokens.LTYPE (pos yypos, pos yypos + size yytext));
|
adamc@156
|
382 <INITIAL> "datatype" => (Tokens.DATATYPE (pos yypos, pos yypos + size yytext));
|
adamc@156
|
383 <INITIAL> "of" => (Tokens.OF (pos yypos, pos yypos + size yytext));
|
adamc@54
|
384 <INITIAL> "val" => (Tokens.VAL (pos yypos, pos yypos + size yytext));
|
adamc@123
|
385 <INITIAL> "rec" => (Tokens.REC (pos yypos, pos yypos + size yytext));
|
adamc@123
|
386 <INITIAL> "and" => (Tokens.AND (pos yypos, pos yypos + size yytext));
|
adamc@242
|
387 <INITIAL> "fun" => (Tokens.FUN (pos yypos, pos yypos + size yytext));
|
adamc@54
|
388 <INITIAL> "fn" => (Tokens.FN (pos yypos, pos yypos + size yytext));
|
adamc@621
|
389 <INITIAL> "map" => (Tokens.MAP (pos yypos, pos yypos + size yytext));
|
adamc@170
|
390 <INITIAL> "case" => (Tokens.CASE (pos yypos, pos yypos + size yytext));
|
adamc@190
|
391 <INITIAL> "if" => (Tokens.IF (pos yypos, pos yypos + size yytext));
|
adamc@190
|
392 <INITIAL> "then" => (Tokens.THEN (pos yypos, pos yypos + size yytext));
|
adamc@190
|
393 <INITIAL> "else" => (Tokens.ELSE (pos yypos, pos yypos + size yytext));
|
adamc@1
|
394
|
adamc@842
|
395
|
adamc@54
|
396 <INITIAL> "structure" => (Tokens.STRUCTURE (pos yypos, pos yypos + size yytext));
|
adamc@54
|
397 <INITIAL> "signature" => (Tokens.SIGNATURE (pos yypos, pos yypos + size yytext));
|
adamc@54
|
398 <INITIAL> "struct" => (Tokens.STRUCT (pos yypos, pos yypos + size yytext));
|
adamc@54
|
399 <INITIAL> "sig" => (if yypos = 2 then initialSig () else (); Tokens.SIG (pos yypos, pos yypos + size yytext));
|
adamc@446
|
400 <INITIAL> "let" => (Tokens.LET (pos yypos, pos yypos + size yytext));
|
adamc@446
|
401 <INITIAL> "in" => (Tokens.IN (pos yypos, pos yypos + size yytext));
|
adamc@54
|
402 <INITIAL> "end" => (Tokens.END (pos yypos, pos yypos + size yytext));
|
adamc@54
|
403 <INITIAL> "functor" => (Tokens.FUNCTOR (pos yypos, pos yypos + size yytext));
|
adamc@54
|
404 <INITIAL> "where" => (Tokens.WHERE (pos yypos, pos yypos + size yytext));
|
adamc@54
|
405 <INITIAL> "extern" => (Tokens.EXTERN (pos yypos, pos yypos + size yytext));
|
adamc@58
|
406 <INITIAL> "include" => (Tokens.INCLUDE (pos yypos, pos yypos + size yytext));
|
adamc@58
|
407 <INITIAL> "open" => (Tokens.OPEN (pos yypos, pos yypos + size yytext));
|
adamc@88
|
408 <INITIAL> "constraint"=> (Tokens.CONSTRAINT (pos yypos, pos yypos + size yytext));
|
adamc@88
|
409 <INITIAL> "constraints"=> (Tokens.CONSTRAINTS (pos yypos, pos yypos + size yytext));
|
adamc@109
|
410 <INITIAL> "export" => (Tokens.EXPORT (pos yypos, pos yypos + size yytext));
|
adamc@203
|
411 <INITIAL> "table" => (Tokens.TABLE (pos yypos, pos yypos + size yytext));
|
adamc@338
|
412 <INITIAL> "sequence" => (Tokens.SEQUENCE (pos yypos, pos yypos + size yytext));
|
adamc@754
|
413 <INITIAL> "view" => (Tokens.VIEW (pos yypos, pos yypos + size yytext));
|
adamc@211
|
414 <INITIAL> "class" => (Tokens.CLASS (pos yypos, pos yypos + size yytext));
|
adamc@459
|
415 <INITIAL> "cookie" => (Tokens.COOKIE (pos yypos, pos yypos + size yytext));
|
adamc@718
|
416 <INITIAL> "style" => (Tokens.STYLE (pos yypos, pos yypos + size yytext));
|
adamc@1075
|
417 <INITIAL> "task" => (Tokens.TASK (pos yypos, pos yypos + size yytext));
|
adamc@30
|
418
|
adamc@54
|
419 <INITIAL> "Type" => (Tokens.TYPE (pos yypos, pos yypos + size yytext));
|
adamc@54
|
420 <INITIAL> "Name" => (Tokens.NAME (pos yypos, pos yypos + size yytext));
|
adamc@82
|
421 <INITIAL> "Unit" => (Tokens.KUNIT (pos yypos, pos yypos + size yytext));
|
adamc@1
|
422
|
adamc@204
|
423 <INITIAL> "SELECT" => (Tokens.SELECT (pos yypos, pos yypos + size yytext));
|
adamc@993
|
424 <INITIAL> "DISTINCT" => (Tokens.DISTINCT (pos yypos, pos yypos + size yytext));
|
adamc@204
|
425 <INITIAL> "FROM" => (Tokens.FROM (pos yypos, pos yypos + size yytext));
|
adamc@204
|
426 <INITIAL> "AS" => (Tokens.AS (pos yypos, pos yypos + size yytext));
|
adamc@209
|
427 <INITIAL> "WHERE" => (Tokens.CWHERE (pos yypos, pos yypos + size yytext));
|
adamc@339
|
428 <INITIAL> "SQL" => (Tokens.SQL (pos yypos, pos yypos + size yytext));
|
adamc@226
|
429 <INITIAL> "GROUP" => (Tokens.GROUP (pos yypos, pos yypos + size yytext));
|
adamc@230
|
430 <INITIAL> "ORDER" => (Tokens.ORDER (pos yypos, pos yypos + size yytext));
|
adamc@226
|
431 <INITIAL> "BY" => (Tokens.BY (pos yypos, pos yypos + size yytext));
|
adamc@227
|
432 <INITIAL> "HAVING" => (Tokens.HAVING (pos yypos, pos yypos + size yytext));
|
adamc@231
|
433 <INITIAL> "LIMIT" => (Tokens.LIMIT (pos yypos, pos yypos + size yytext));
|
adamc@231
|
434 <INITIAL> "OFFSET" => (Tokens.OFFSET (pos yypos, pos yypos + size yytext));
|
adamc@232
|
435 <INITIAL> "ALL" => (Tokens.ALL (pos yypos, pos yypos + size yytext));
|
adamc@1071
|
436 <INITIAL> "SELECT1" => (Tokens.SELECT1 (pos yypos, pos yypos + size yytext));
|
adamc@209
|
437
|
adamc@749
|
438 <INITIAL> "JOIN" => (Tokens.JOIN (pos yypos, pos yypos + size yytext));
|
adamc@749
|
439 <INITIAL> "INNER" => (Tokens.INNER (pos yypos, pos yypos + size yytext));
|
adamc@749
|
440 <INITIAL> "CROSS" => (Tokens.CROSS (pos yypos, pos yypos + size yytext));
|
adamc@751
|
441 <INITIAL> "OUTER" => (Tokens.OUTER (pos yypos, pos yypos + size yytext));
|
adamc@750
|
442 <INITIAL> "LEFT" => (Tokens.LEFT (pos yypos, pos yypos + size yytext));
|
adamc@751
|
443 <INITIAL> "RIGHT" => (Tokens.RIGHT (pos yypos, pos yypos + size yytext));
|
adamc@751
|
444 <INITIAL> "FULL" => (Tokens.FULL (pos yypos, pos yypos + size yytext));
|
adamc@749
|
445
|
adamc@229
|
446 <INITIAL> "UNION" => (Tokens.UNION (pos yypos, pos yypos + size yytext));
|
adamc@229
|
447 <INITIAL> "INTERSECT" => (Tokens.INTERSECT (pos yypos, pos yypos + size yytext));
|
adamc@229
|
448 <INITIAL> "EXCEPT" => (Tokens.EXCEPT (pos yypos, pos yypos + size yytext));
|
adamc@229
|
449
|
adamc@209
|
450 <INITIAL> "TRUE" => (Tokens.TRUE (pos yypos, pos yypos + size yytext));
|
adamc@209
|
451 <INITIAL> "FALSE" => (Tokens.FALSE (pos yypos, pos yypos + size yytext));
|
adamc@220
|
452 <INITIAL> "AND" => (Tokens.CAND (pos yypos, pos yypos + size yytext));
|
adamc@220
|
453 <INITIAL> "OR" => (Tokens.OR (pos yypos, pos yypos + size yytext));
|
adamc@220
|
454 <INITIAL> "NOT" => (Tokens.NOT (pos yypos, pos yypos + size yytext));
|
adamc@204
|
455
|
adamc@235
|
456 <INITIAL> "COUNT" => (Tokens.COUNT (pos yypos, pos yypos + size yytext));
|
adamc@236
|
457 <INITIAL> "AVG" => (Tokens.AVG (pos yypos, pos yypos + size yytext));
|
adamc@236
|
458 <INITIAL> "SUM" => (Tokens.SUM (pos yypos, pos yypos + size yytext));
|
adamc@236
|
459 <INITIAL> "MIN" => (Tokens.MIN (pos yypos, pos yypos + size yytext));
|
adamc@236
|
460 <INITIAL> "MAX" => (Tokens.MAX (pos yypos, pos yypos + size yytext));
|
adamc@235
|
461
|
adamc@268
|
462 <INITIAL> "ASC" => (Tokens.ASC (pos yypos, pos yypos + size yytext));
|
adamc@268
|
463 <INITIAL> "DESC" => (Tokens.DESC (pos yypos, pos yypos + size yytext));
|
adamc@268
|
464
|
adamc@302
|
465 <INITIAL> "INSERT" => (Tokens.INSERT (pos yypos, pos yypos + size yytext));
|
adamc@302
|
466 <INITIAL> "INTO" => (Tokens.INTO (pos yypos, pos yypos + size yytext));
|
adamc@302
|
467 <INITIAL> "VALUES" => (Tokens.VALUES (pos yypos, pos yypos + size yytext));
|
adamc@302
|
468 <INITIAL> "UPDATE" => (Tokens.UPDATE (pos yypos, pos yypos + size yytext));
|
adamc@302
|
469 <INITIAL> "SET" => (Tokens.SET (pos yypos, pos yypos + size yytext));
|
adamc@302
|
470 <INITIAL> "DELETE" => (Tokens.DELETE (pos yypos, pos yypos + size yytext));
|
adamc@467
|
471 <INITIAL> "NULL" => (Tokens.NULL (pos yypos, pos yypos + size yytext));
|
adamc@470
|
472 <INITIAL> "IS" => (Tokens.IS (pos yypos, pos yypos + size yytext));
|
adamc@302
|
473
|
adamc@704
|
474 <INITIAL> "CONSTRAINT"=> (Tokens.CCONSTRAINT (pos yypos, pos yypos + size yytext));
|
adamc@704
|
475 <INITIAL> "UNIQUE" => (Tokens.UNIQUE (pos yypos, pos yypos + size yytext));
|
adamc@714
|
476 <INITIAL> "CHECK" => (Tokens.CHECK (pos yypos, pos yypos + size yytext));
|
adamc@707
|
477 <INITIAL> "PRIMARY" => (Tokens.PRIMARY (pos yypos, pos yypos + size yytext));
|
adamc@709
|
478 <INITIAL> "FOREIGN" => (Tokens.FOREIGN (pos yypos, pos yypos + size yytext));
|
adamc@707
|
479 <INITIAL> "KEY" => (Tokens.KEY (pos yypos, pos yypos + size yytext));
|
adamc@709
|
480 <INITIAL> "ON" => (Tokens.ON (pos yypos, pos yypos + size yytext));
|
adamc@709
|
481 <INITIAL> "NO" => (Tokens.NO (pos yypos, pos yypos + size yytext));
|
adamc@709
|
482 <INITIAL> "ACTION" => (Tokens.ACTION (pos yypos, pos yypos + size yytext));
|
adamc@709
|
483 <INITIAL> "RESTRICT" => (Tokens.RESTRICT (pos yypos, pos yypos + size yytext));
|
adamc@709
|
484 <INITIAL> "CASCADE" => (Tokens.CASCADE (pos yypos, pos yypos + size yytext));
|
adamc@709
|
485 <INITIAL> "REFERENCES"=> (Tokens.REFERENCES (pos yypos, pos yypos + size yytext));
|
adamc@709
|
486
|
adamc@709
|
487 <INITIAL> "CURRENT_TIMESTAMP" => (Tokens.CURRENT_TIMESTAMP (pos yypos, pos yypos + size yytext));
|
adamc@704
|
488
|
adamc@441
|
489 <INITIAL> "CURRENT_TIMESTAMP" => (Tokens.CURRENT_TIMESTAMP (pos yypos, pos yypos + size yytext));
|
adamc@441
|
490
|
adamc@54
|
491 <INITIAL> {id} => (Tokens.SYMBOL (yytext, pos yypos, pos yypos + size yytext));
|
adamc@54
|
492 <INITIAL> {cid} => (Tokens.CSYMBOL (yytext, pos yypos, pos yypos + size yytext));
|
adamc@1
|
493
|
adamc@14
|
494 <INITIAL> {intconst} => (case Int64.fromString yytext of
|
adamc@120
|
495 SOME x => Tokens.INT (x, pos yypos, pos yypos + size yytext)
|
adamc@120
|
496 | NONE => (ErrorMsg.errorAt' (pos yypos, pos yypos)
|
adamc@120
|
497 ("Expected int, received: " ^ yytext);
|
adamc@120
|
498 continue ()));
|
adamc@14
|
499 <INITIAL> {realconst} => (case Real64.fromString yytext of
|
adamc@54
|
500 SOME x => Tokens.FLOAT (x, pos yypos, pos yypos + size yytext)
|
adamc@54
|
501 | NONE => (ErrorMsg.errorAt' (pos yypos, pos yypos)
|
adamc@14
|
502 ("Expected float, received: " ^ yytext);
|
adamc@14
|
503 continue ()));
|
adamc@14
|
504
|
adamc@1
|
505 <COMMENT> . => (continue());
|
adamc@1
|
506
|
adamc@54
|
507 <INITIAL> . => (ErrorMsg.errorAt' (pos yypos, pos yypos)
|
adamc@1
|
508 ("illegal character: \"" ^ yytext ^ "\"");
|
adamc@1
|
509 continue ());
|