adamc@763: (* -*- mode: sml-lex -*- *) adamc@763: adamc@763: (* Copyright (c) 2008-2009, Adam Chlipala adamc@1: * All rights reserved. adamc@1: * adamc@1: * Redistribution and use in source and binary forms, with or without adamc@1: * modification, are permitted provided that the following conditions are met: adamc@1: * adamc@1: * - Redistributions of source code must retain the above copyright notice, adamc@1: * this list of conditions and the following disclaimer. adamc@1: * - Redistributions in binary form must reproduce the above copyright notice, adamc@1: * this list of conditions and the following disclaimer in the documentation adamc@1: * and/or other materials provided with the distribution. adamc@1: * - The names of contributors may not be used to endorse or promote products adamc@1: * derived from this software without specific prior written permission. adamc@1: * adamc@1: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" adamc@1: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE adamc@1: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE adamc@1: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE adamc@1: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR adamc@1: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF adamc@1: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS adamc@1: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN adamc@1: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) adamc@1: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE adamc@1: * POSSIBILITY OF SUCH DAMAGE. adamc@1: *) adamc@1: adamc@244: (* Lexing info for Ur/Web programs *) adamc@1: adamc@1: type pos = int adamc@1: type svalue = Tokens.svalue adamc@1: type ('a,'b) token = ('a,'b) Tokens.token adamc@1: type lexresult = (svalue,pos) Tokens.token adamc@1: adamc@1: local adamc@1: val commentLevel = ref 0 adamc@1: val commentPos = ref 0 adamc@1: in adamc@1: fun enterComment pos = adamc@1: (if !commentLevel = 0 then adamc@1: commentPos := pos adamc@1: else adamc@1: (); adamc@1: commentLevel := !commentLevel + 1) adamc@1: adamc@1: fun exitComment () = adamc@1: (ignore (commentLevel := !commentLevel - 1); adamc@1: !commentLevel = 0) adamc@1: adamc@1: fun eof () = adamc@1: let adamc@1: val pos = ErrorMsg.lastLineStart () adamc@1: in adamc@1: if !commentLevel > 0 then adamc@1: ErrorMsg.errorAt' (!commentPos, !commentPos) "Unterminated comment" adamc@1: else adamc@1: (); adamc@1: Tokens.EOF (pos, pos) adamc@1: end adamc@1: end adamc@1: adamc@229: val strEnder = ref #"\"" adamc@14: val str = ref ([] : char list) adamc@14: val strStart = ref 0 adamc@14: adamc@54: local adamc@54: val initSig = ref false adamc@54: val offset = ref 0 adamc@54: in adamc@54: adamc@54: fun initialSig () = initSig := true adamc@54: adamc@54: fun pos yypos = yypos - !offset adamc@54: adamc@54: fun newline yypos = adamc@54: if !initSig then adamc@54: (initSig := false; adamc@54: offset := yypos + 1) adamc@54: else adamc@54: ErrorMsg.newline (pos yypos) adamc@54: adamc@54: end adamc@54: adamc@91: val xmlTag = ref ([] : string list) adamc@91: val xmlString = ref true adamc@91: val braceLevels = ref ([] : ((unit -> unit) * int) list) adamc@91: adamc@91: fun pushLevel s = braceLevels := (s, 1) :: (!braceLevels) adamc@91: adamc@91: fun enterBrace () = adamc@91: case !braceLevels of adamc@91: (s, i) :: rest => braceLevels := (s, i+1) :: rest adamc@91: | _ => () adamc@91: adamc@91: fun exitBrace () = adamc@91: case !braceLevels of adamc@91: (s, i) :: rest => adamc@91: if i = 1 then adamc@91: (braceLevels := rest; adamc@91: s ()) adamc@91: else adamc@91: braceLevels := (s, i-1) :: rest adamc@91: | _ => () adamc@91: adamc@91: fun initialize () = (xmlTag := []; adamc@91: xmlString := false) adamc@91: adamc@54: adamc@763: fun unescape loc s = adamc@763: let adamc@763: fun process (s, acc) = adamc@763: let adamc@763: val (befor, after) = Substring.splitl (fn ch => ch <> #"&") s adamc@763: in adamc@763: if Substring.size after = 0 then adamc@763: Substring.concat (rev (s :: acc)) adamc@763: else adamc@763: let adamc@763: val after = Substring.slice (after, 1, NONE) adamc@763: val (befor', after') = Substring.splitl (fn ch => ch <> #";") after adamc@763: in adamc@763: if Substring.size after' = 0 then adamc@763: (ErrorMsg.errorAt' loc "Missing ';' after '&'"; adamc@763: "") adamc@763: else adamc@763: let adamc@763: val pre = befor adamc@763: val code = befor' adamc@763: val s = Substring.slice (after', 1, NONE) adamc@763: adamc@763: val special = adamc@763: if Substring.size code > 0 andalso Substring.sub (code, 0) = #"#" adamc@763: andalso CharVectorSlice.all Char.isDigit (Substring.slice (code, 1, NONE)) then adamc@763: let adamc@763: val code = Substring.string (Substring.slice (code, 1, NONE)) adamc@763: in adamc@763: Option.map chr (Int.fromString code) adamc@763: end adamc@763: else case Substring.string code of adamc@763: "amp" => SOME #"&" adamc@763: | "lt" => SOME #"<" adamc@763: | "gt" => SOME #">" adamc@763: | "quot" => SOME #"\"" adamc@763: | _ => NONE adamc@763: in adamc@763: case special of adamc@763: NONE => (ErrorMsg.errorAt' loc ("Unsupported XML character entity " adamc@763: ^ Substring.string code); adamc@763: "") adamc@763: | SOME ch => process (s, Substring.full (String.str ch) :: pre :: acc) adamc@763: end adamc@763: end adamc@763: end adamc@763: in adamc@763: process (Substring.full s, []) adamc@763: end adamc@763: adamc@1: %% adamc@244: %header (functor UrwebLexFn(structure Tokens : Urweb_TOKENS)); adamc@1: %full adamc@821: %s COMMENT STRING CHAR XML XMLTAG; adamc@1: adamc@48: id = [a-z_][A-Za-z0-9_']*; adamc@316: cid = [A-Z][A-Za-z0-9_]*; adamc@1: ws = [\ \t\012]; adamc@14: intconst = [0-9]+; adamc@14: realconst = [0-9]+\.[0-9]*; adamc@91: notags = [^<{\n]+; adamc@1: adamc@1: %% adamc@1: adamc@54: \n => (newline yypos; adamc@1: continue ()); adamc@54: \n => (newline yypos; adamc@1: continue ()); adamc@91: \n => (newline yypos; adamc@91: continue ()); adamc@91: \n => (newline yypos; adamc@91: Tokens.NOTAGS (yytext, yypos, yypos + size yytext)); adamc@1: adamc@1: {ws}+ => (lex ()); adamc@1: adamc@1: "(*" => (YYBEGIN COMMENT; adamc@54: enterComment (pos yypos); adamc@1: continue ()); adamc@54: "*)" => (ErrorMsg.errorAt' (pos yypos, pos yypos) "Unbalanced comments"; adamc@1: continue ()); adamc@1: adamc@54: "(*" => (enterComment (pos yypos); adamc@1: continue ()); adamc@1: "*)" => (if exitComment () then YYBEGIN INITIAL else (); adamc@1: continue ()); adamc@1: adamc@838: "\\\"" => (str := #"\"" :: !str; continue()); adamc@838: "\\'" => (str := #"'" :: !str; continue()); adamc@838: "\\n" => (str := #"\n" :: !str; continue()); adamc@838: "\\t" => (str := #"\t" :: !str; continue()); adamc@838: "\n" => (newline yypos; adamc@838: str := #"\n" :: !str; continue()); adamc@838: adamc@821: "#\"" => (YYBEGIN CHAR; strEnder := #"\""; strStart := pos yypos; str := []; continue()); adamc@838: adamc@821: . => (let adamc@821: val ch = String.sub (yytext, 0) adamc@821: in adamc@821: if ch = !strEnder then adamc@821: let adamc@821: val s = String.implode (List.rev (!str)) adamc@821: in adamc@821: YYBEGIN INITIAL; adamc@821: if size s = 1 then adamc@821: Tokens.CHAR (String.sub (s, 0), !strStart, pos yypos + 1) adamc@821: else adamc@821: (ErrorMsg.errorAt' (yypos, yypos) adamc@821: "Character constant is zero or multiple characters"; adamc@821: continue ()) adamc@821: end adamc@821: else adamc@821: (str := ch :: !str; adamc@821: continue ()) adamc@821: end); adamc@821: adamc@229: "\"" => (YYBEGIN STRING; strEnder := #"\""; strStart := pos yypos; str := []; continue()); adamc@229: "'" => (YYBEGIN STRING; strEnder := #"'"; strStart := pos yypos; str := []; continue()); adamc@838: adamc@229: . => (let adamc@229: val ch = String.sub (yytext, 0) adamc@229: in adamc@229: if ch = !strEnder then adamc@229: (if !xmlString then adamc@229: (xmlString := false; YYBEGIN XMLTAG) adamc@229: else adamc@229: YYBEGIN INITIAL; adamc@229: Tokens.STRING (String.implode (List.rev (!str)), !strStart, pos yypos + 1)) adamc@229: else adamc@229: (str := ch :: !str; adamc@229: continue ()) adamc@229: end); adamc@14: adamc@360: "<" {id} "/>"=>(let adamc@360: val tag = String.substring (yytext, 1, size yytext - 3) adamc@360: in adamc@360: Tokens.XML_BEGIN_END (tag, yypos, yypos + size yytext) adamc@360: end); adamc@91: "<" {id} ">"=> (let adamc@91: val tag = String.substring (yytext, 1, size yytext - 2) adamc@91: in adamc@91: YYBEGIN XML; adamc@91: xmlTag := tag :: (!xmlTag); adamc@91: Tokens.XML_BEGIN (tag, yypos, yypos + size yytext) adamc@91: end); adamc@91: "" => (let adamc@91: val id = String.substring (yytext, 2, size yytext - 3) adamc@91: in adamc@91: case !xmlTag of adamc@91: id' :: rest => adamc@91: if id = id' then adamc@91: (YYBEGIN INITIAL; adamc@91: xmlTag := rest; adamc@91: Tokens.XML_END (yypos, yypos + size yytext)) adamc@91: else adamc@91: Tokens.END_TAG (id, yypos, yypos + size yytext) adamc@91: | _ => adamc@91: Tokens.END_TAG (id, yypos, yypos + size yytext) adamc@91: end); adamc@91: adamc@91: "<" {id} => (YYBEGIN XMLTAG; adamc@91: Tokens.BEGIN_TAG (String.extract (yytext, 1, NONE), adamc@91: yypos, yypos + size yytext)); adamc@91: adamc@91: "/" => (Tokens.DIVIDE (yypos, yypos + size yytext)); adamc@91: ">" => (YYBEGIN XML; adamc@91: Tokens.GT (yypos, yypos + size yytext)); adamc@91: adamc@91: {ws}+ => (lex ()); adamc@91: adamc@91: {id} => (Tokens.SYMBOL (yytext, yypos, yypos + size yytext)); adamc@91: "=" => (Tokens.EQ (yypos, yypos + size yytext)); adamc@91: adamc@91: {intconst} => (case Int64.fromString yytext of adamc@91: SOME x => Tokens.INT (x, yypos, yypos + size yytext) adamc@91: | NONE => (ErrorMsg.errorAt' (yypos, yypos) adamc@91: ("Expected int, received: " ^ yytext); adamc@91: continue ())); adamc@91: {realconst} => (case Real.fromString yytext of adamc@91: SOME x => Tokens.FLOAT (x, yypos, yypos + size yytext) adamc@91: | NONE => (ErrorMsg.errorAt' (yypos, yypos) adamc@91: ("Expected float, received: " ^ yytext); adamc@91: continue ())); adamc@91: "\"" => (YYBEGIN STRING; adamc@1069: xmlString := true; strEnder := #"\""; adamc@104: strStart := yypos; str := []; continue ()); adamc@91: adamc@91: "{" => (YYBEGIN INITIAL; adamc@91: pushLevel (fn () => YYBEGIN XMLTAG); adamc@91: Tokens.LBRACE (yypos, yypos + 1)); adamc@91: "(" => (YYBEGIN INITIAL; adamc@91: pushLevel (fn () => YYBEGIN XMLTAG); adamc@91: Tokens.LPAREN (yypos, yypos + 1)); adamc@91: adamc@91: . => (ErrorMsg.errorAt' (yypos, yypos) adamc@91: ("illegal XML tag character: \"" ^ yytext ^ "\""); adamc@91: continue ()); adamc@91: adamc@91: "{" => (YYBEGIN INITIAL; adamc@91: pushLevel (fn () => YYBEGIN XML); adamc@91: Tokens.LBRACE (yypos, yypos + 1)); adamc@91: adamc@763: {notags} => (Tokens.NOTAGS (unescape (yypos, yypos + size yytext) yytext, yypos, yypos + size yytext)); adamc@91: adamc@91: . => (ErrorMsg.errorAt' (yypos, yypos) adamc@91: ("illegal XML character: \"" ^ yytext ^ "\""); adamc@91: continue ()); adamc@91: adamc@82: "()" => (Tokens.UNIT (pos yypos, pos yypos + size yytext)); adamc@54: "(" => (Tokens.LPAREN (pos yypos, pos yypos + size yytext)); adamc@54: ")" => (Tokens.RPAREN (pos yypos, pos yypos + size yytext)); adamc@54: "[" => (Tokens.LBRACK (pos yypos, pos yypos + size yytext)); adamc@54: "]" => (Tokens.RBRACK (pos yypos, pos yypos + size yytext)); adamc@110: "{" => (enterBrace (); adamc@110: Tokens.LBRACE (pos yypos, pos yypos + size yytext)); adamc@110: "}" => (exitBrace (); adamc@110: Tokens.RBRACE (pos yypos, pos yypos + size yytext)); adamc@1: adamc@623: "-->" => (Tokens.KARROW (pos yypos, pos yypos + size yytext)); adamc@54: "->" => (Tokens.ARROW (pos yypos, pos yypos + size yytext)); adamc@623: "==>" => (Tokens.DKARROW (pos yypos, pos yypos + size yytext)); adamc@54: "=>" => (Tokens.DARROW (pos yypos, pos yypos + size yytext)); adamc@54: "++" => (Tokens.PLUSPLUS (pos yypos, pos yypos + size yytext)); adamc@149: "--" => (Tokens.MINUSMINUS (pos yypos, pos yypos + size yytext)); adamc@493: "---" => (Tokens.MINUSMINUSMINUS (pos yypos, pos yypos + size yytext)); adamc@674: "^" => (Tokens.CARET (pos yypos, pos yypos + size yytext)); adamc@1: adamc@842: "&&" => (Tokens.ANDALSO (pos yypos, pos yypos + size yytext)); adamc@842: "||" => (Tokens.ORELSE (pos yypos, pos yypos + size yytext)); adamc@842: adamc@54: "=" => (Tokens.EQ (pos yypos, pos yypos + size yytext)); adamc@219: "<>" => (Tokens.NE (pos yypos, pos yypos + size yytext)); adamc@219: "<" => (Tokens.LT (pos yypos, pos yypos + size yytext)); adamc@219: ">" => (Tokens.GT (pos yypos, pos yypos + size yytext)); adamc@219: "<=" => (Tokens.LE (pos yypos, pos yypos + size yytext)); adamc@219: ">=" => (Tokens.GE (pos yypos, pos yypos + size yytext)); adamc@54: "," => (Tokens.COMMA (pos yypos, pos yypos + size yytext)); adamc@54: ":::" => (Tokens.TCOLON (pos yypos, pos yypos + size yytext)); adamc@54: "::" => (Tokens.DCOLON (pos yypos, pos yypos + size yytext)); adamc@54: ":" => (Tokens.COLON (pos yypos, pos yypos + size yytext)); adamc@174: "..." => (Tokens.DOTDOTDOT (pos yypos, pos yypos + size yytext)); adamc@54: "." => (Tokens.DOT (pos yypos, pos yypos + size yytext)); adamc@54: "$" => (Tokens.DOLLAR (pos yypos, pos yypos + size yytext)); adamc@54: "#" => (Tokens.HASH (pos yypos, pos yypos + size yytext)); adamc@54: "__" => (Tokens.UNDERUNDER (pos yypos, pos yypos + size yytext)); adamc@54: "_" => (Tokens.UNDER (pos yypos, pos yypos + size yytext)); adamc@84: "~" => (Tokens.TWIDDLE (pos yypos, pos yypos + size yytext)); adamc@156: "|" => (Tokens.BAR (pos yypos, pos yypos + size yytext)); adamc@195: "*" => (Tokens.STAR (pos yypos, pos yypos + size yytext)); adamc@243: "<-" => (Tokens.LARROW (pos yypos, pos yypos + size yytext)); adamc@243: ";" => (Tokens.SEMI (pos yypos, pos yypos + size yytext)); adamc@629: "!" => (Tokens.BANG (pos yypos, pos yypos + size yytext)); adamc@1: adamc@389: "+" => (Tokens.PLUS (pos yypos, pos yypos + size yytext)); adamc@389: "-" => (Tokens.MINUS (pos yypos, pos yypos + size yytext)); adamc@389: "/" => (Tokens.DIVIDE (yypos, yypos + size yytext)); adamc@389: "%" => (Tokens.MOD (pos yypos, pos yypos + size yytext)); adamc@403: "@" => (Tokens.AT (pos yypos, pos yypos + size yytext)); adamc@389: adamc@54: "con" => (Tokens.CON (pos yypos, pos yypos + size yytext)); adamc@54: "type" => (Tokens.LTYPE (pos yypos, pos yypos + size yytext)); adamc@156: "datatype" => (Tokens.DATATYPE (pos yypos, pos yypos + size yytext)); adamc@156: "of" => (Tokens.OF (pos yypos, pos yypos + size yytext)); adamc@54: "val" => (Tokens.VAL (pos yypos, pos yypos + size yytext)); adamc@123: "rec" => (Tokens.REC (pos yypos, pos yypos + size yytext)); adamc@123: "and" => (Tokens.AND (pos yypos, pos yypos + size yytext)); adamc@242: "fun" => (Tokens.FUN (pos yypos, pos yypos + size yytext)); adamc@54: "fn" => (Tokens.FN (pos yypos, pos yypos + size yytext)); adamc@621: "map" => (Tokens.MAP (pos yypos, pos yypos + size yytext)); adamc@170: "case" => (Tokens.CASE (pos yypos, pos yypos + size yytext)); adamc@190: "if" => (Tokens.IF (pos yypos, pos yypos + size yytext)); adamc@190: "then" => (Tokens.THEN (pos yypos, pos yypos + size yytext)); adamc@190: "else" => (Tokens.ELSE (pos yypos, pos yypos + size yytext)); adamc@1: adamc@842: adamc@54: "structure" => (Tokens.STRUCTURE (pos yypos, pos yypos + size yytext)); adamc@54: "signature" => (Tokens.SIGNATURE (pos yypos, pos yypos + size yytext)); adamc@54: "struct" => (Tokens.STRUCT (pos yypos, pos yypos + size yytext)); adamc@54: "sig" => (if yypos = 2 then initialSig () else (); Tokens.SIG (pos yypos, pos yypos + size yytext)); adamc@446: "let" => (Tokens.LET (pos yypos, pos yypos + size yytext)); adamc@446: "in" => (Tokens.IN (pos yypos, pos yypos + size yytext)); adamc@54: "end" => (Tokens.END (pos yypos, pos yypos + size yytext)); adamc@54: "functor" => (Tokens.FUNCTOR (pos yypos, pos yypos + size yytext)); adamc@54: "where" => (Tokens.WHERE (pos yypos, pos yypos + size yytext)); adamc@54: "extern" => (Tokens.EXTERN (pos yypos, pos yypos + size yytext)); adamc@58: "include" => (Tokens.INCLUDE (pos yypos, pos yypos + size yytext)); adamc@58: "open" => (Tokens.OPEN (pos yypos, pos yypos + size yytext)); adamc@88: "constraint"=> (Tokens.CONSTRAINT (pos yypos, pos yypos + size yytext)); adamc@88: "constraints"=> (Tokens.CONSTRAINTS (pos yypos, pos yypos + size yytext)); adamc@109: "export" => (Tokens.EXPORT (pos yypos, pos yypos + size yytext)); adamc@203: "table" => (Tokens.TABLE (pos yypos, pos yypos + size yytext)); adamc@338: "sequence" => (Tokens.SEQUENCE (pos yypos, pos yypos + size yytext)); adamc@754: "view" => (Tokens.VIEW (pos yypos, pos yypos + size yytext)); adamc@211: "class" => (Tokens.CLASS (pos yypos, pos yypos + size yytext)); adamc@459: "cookie" => (Tokens.COOKIE (pos yypos, pos yypos + size yytext)); adamc@718: "style" => (Tokens.STYLE (pos yypos, pos yypos + size yytext)); adamc@1075: "task" => (Tokens.TASK (pos yypos, pos yypos + size yytext)); adamc@30: adamc@54: "Type" => (Tokens.TYPE (pos yypos, pos yypos + size yytext)); adamc@54: "Name" => (Tokens.NAME (pos yypos, pos yypos + size yytext)); adamc@82: "Unit" => (Tokens.KUNIT (pos yypos, pos yypos + size yytext)); adamc@1: adamc@204: "SELECT" => (Tokens.SELECT (pos yypos, pos yypos + size yytext)); adamc@993: "DISTINCT" => (Tokens.DISTINCT (pos yypos, pos yypos + size yytext)); adamc@204: "FROM" => (Tokens.FROM (pos yypos, pos yypos + size yytext)); adamc@204: "AS" => (Tokens.AS (pos yypos, pos yypos + size yytext)); adamc@209: "WHERE" => (Tokens.CWHERE (pos yypos, pos yypos + size yytext)); adamc@339: "SQL" => (Tokens.SQL (pos yypos, pos yypos + size yytext)); adamc@226: "GROUP" => (Tokens.GROUP (pos yypos, pos yypos + size yytext)); adamc@230: "ORDER" => (Tokens.ORDER (pos yypos, pos yypos + size yytext)); adamc@226: "BY" => (Tokens.BY (pos yypos, pos yypos + size yytext)); adamc@227: "HAVING" => (Tokens.HAVING (pos yypos, pos yypos + size yytext)); adamc@231: "LIMIT" => (Tokens.LIMIT (pos yypos, pos yypos + size yytext)); adamc@231: "OFFSET" => (Tokens.OFFSET (pos yypos, pos yypos + size yytext)); adamc@232: "ALL" => (Tokens.ALL (pos yypos, pos yypos + size yytext)); adamc@1071: "SELECT1" => (Tokens.SELECT1 (pos yypos, pos yypos + size yytext)); adamc@209: adamc@749: "JOIN" => (Tokens.JOIN (pos yypos, pos yypos + size yytext)); adamc@749: "INNER" => (Tokens.INNER (pos yypos, pos yypos + size yytext)); adamc@749: "CROSS" => (Tokens.CROSS (pos yypos, pos yypos + size yytext)); adamc@751: "OUTER" => (Tokens.OUTER (pos yypos, pos yypos + size yytext)); adamc@750: "LEFT" => (Tokens.LEFT (pos yypos, pos yypos + size yytext)); adamc@751: "RIGHT" => (Tokens.RIGHT (pos yypos, pos yypos + size yytext)); adamc@751: "FULL" => (Tokens.FULL (pos yypos, pos yypos + size yytext)); adamc@749: adamc@229: "UNION" => (Tokens.UNION (pos yypos, pos yypos + size yytext)); adamc@229: "INTERSECT" => (Tokens.INTERSECT (pos yypos, pos yypos + size yytext)); adamc@229: "EXCEPT" => (Tokens.EXCEPT (pos yypos, pos yypos + size yytext)); adamc@229: adamc@209: "TRUE" => (Tokens.TRUE (pos yypos, pos yypos + size yytext)); adamc@209: "FALSE" => (Tokens.FALSE (pos yypos, pos yypos + size yytext)); adamc@220: "AND" => (Tokens.CAND (pos yypos, pos yypos + size yytext)); adamc@220: "OR" => (Tokens.OR (pos yypos, pos yypos + size yytext)); adamc@220: "NOT" => (Tokens.NOT (pos yypos, pos yypos + size yytext)); adamc@204: adamc@235: "COUNT" => (Tokens.COUNT (pos yypos, pos yypos + size yytext)); adamc@236: "AVG" => (Tokens.AVG (pos yypos, pos yypos + size yytext)); adamc@236: "SUM" => (Tokens.SUM (pos yypos, pos yypos + size yytext)); adamc@236: "MIN" => (Tokens.MIN (pos yypos, pos yypos + size yytext)); adamc@236: "MAX" => (Tokens.MAX (pos yypos, pos yypos + size yytext)); adamc@235: adamc@268: "ASC" => (Tokens.ASC (pos yypos, pos yypos + size yytext)); adamc@268: "DESC" => (Tokens.DESC (pos yypos, pos yypos + size yytext)); adamc@268: adamc@302: "INSERT" => (Tokens.INSERT (pos yypos, pos yypos + size yytext)); adamc@302: "INTO" => (Tokens.INTO (pos yypos, pos yypos + size yytext)); adamc@302: "VALUES" => (Tokens.VALUES (pos yypos, pos yypos + size yytext)); adamc@302: "UPDATE" => (Tokens.UPDATE (pos yypos, pos yypos + size yytext)); adamc@302: "SET" => (Tokens.SET (pos yypos, pos yypos + size yytext)); adamc@302: "DELETE" => (Tokens.DELETE (pos yypos, pos yypos + size yytext)); adamc@467: "NULL" => (Tokens.NULL (pos yypos, pos yypos + size yytext)); adamc@470: "IS" => (Tokens.IS (pos yypos, pos yypos + size yytext)); adamc@302: adamc@704: "CONSTRAINT"=> (Tokens.CCONSTRAINT (pos yypos, pos yypos + size yytext)); adamc@704: "UNIQUE" => (Tokens.UNIQUE (pos yypos, pos yypos + size yytext)); adamc@714: "CHECK" => (Tokens.CHECK (pos yypos, pos yypos + size yytext)); adamc@707: "PRIMARY" => (Tokens.PRIMARY (pos yypos, pos yypos + size yytext)); adamc@709: "FOREIGN" => (Tokens.FOREIGN (pos yypos, pos yypos + size yytext)); adamc@707: "KEY" => (Tokens.KEY (pos yypos, pos yypos + size yytext)); adamc@709: "ON" => (Tokens.ON (pos yypos, pos yypos + size yytext)); adamc@709: "NO" => (Tokens.NO (pos yypos, pos yypos + size yytext)); adamc@709: "ACTION" => (Tokens.ACTION (pos yypos, pos yypos + size yytext)); adamc@709: "RESTRICT" => (Tokens.RESTRICT (pos yypos, pos yypos + size yytext)); adamc@709: "CASCADE" => (Tokens.CASCADE (pos yypos, pos yypos + size yytext)); adamc@709: "REFERENCES"=> (Tokens.REFERENCES (pos yypos, pos yypos + size yytext)); adamc@709: adamc@709: "CURRENT_TIMESTAMP" => (Tokens.CURRENT_TIMESTAMP (pos yypos, pos yypos + size yytext)); adamc@704: adamc@441: "CURRENT_TIMESTAMP" => (Tokens.CURRENT_TIMESTAMP (pos yypos, pos yypos + size yytext)); adamc@441: adamc@54: {id} => (Tokens.SYMBOL (yytext, pos yypos, pos yypos + size yytext)); adamc@54: {cid} => (Tokens.CSYMBOL (yytext, pos yypos, pos yypos + size yytext)); adamc@1: adamc@14: {intconst} => (case Int64.fromString yytext of adamc@120: SOME x => Tokens.INT (x, pos yypos, pos yypos + size yytext) adamc@120: | NONE => (ErrorMsg.errorAt' (pos yypos, pos yypos) adamc@120: ("Expected int, received: " ^ yytext); adamc@120: continue ())); adamc@14: {realconst} => (case Real64.fromString yytext of adamc@54: SOME x => Tokens.FLOAT (x, pos yypos, pos yypos + size yytext) adamc@54: | NONE => (ErrorMsg.errorAt' (pos yypos, pos yypos) adamc@14: ("Expected float, received: " ^ yytext); adamc@14: continue ())); adamc@14: adamc@1: . => (continue()); adamc@1: adamc@54: . => (ErrorMsg.errorAt' (pos yypos, pos yypos) adamc@1: ("illegal character: \"" ^ yytext ^ "\""); adamc@1: continue ());