--- /dev/null
+CodeMirror.defineMode("haskell", function() {
+
+ function switchState(source, setState, f) {
+ setState(f);
+ return f(source, setState);
+ }
+
+ // These should all be Unicode extended, as per the Haskell 2010 report
+ var smallRE = /[a-z_]/;
+ var largeRE = /[A-Z]/;
+ var digitRE = /[0-9]/;
+ var hexitRE = /[0-9A-Fa-f]/;
+ var octitRE = /[0-7]/;
+ var idRE = /[a-z_A-Z0-9']/;
+ var symbolRE = /[-!#$%&*+.\/<=>?@\\^|~:]/;
+ var specialRE = /[(),;[\]`{}]/;
+ var whiteCharRE = /[ \t\v\f]/; // newlines are handled in tokenizer
+
+ function normal(source, setState) {
+ if (source.eatWhile(whiteCharRE)) {
+ return null;
+ }
+
+ var ch = source.next();
+ if (specialRE.test(ch)) {
+ if (ch == '{' && source.eat('-')) {
+ var t = "comment";
+ if (source.eat('#')) {
+ t = "meta";
+ }
+ return switchState(source, setState, ncomment(t, 1));
+ }
+ return null;
+ }
+
+ if (ch == '\'') {
+ if (source.eat('\\')) {
+ source.next(); // should handle other escapes here
+ }
+ else {
+ source.next();
+ }
+ if (source.eat('\'')) {
+ return "string";
+ }
+ return "error";
+ }
+
+ if (ch == '"') {
+ return switchState(source, setState, stringLiteral);
+ }
+
+ if (largeRE.test(ch)) {
+ source.eatWhile(idRE);
+ if (source.eat('.')) {
+ return "qualifier";
+ }
+ return "variable-2";
+ }
+
+ if (smallRE.test(ch)) {
+ source.eatWhile(idRE);
+ return "variable";
+ }
+
+ if (digitRE.test(ch)) {
+ if (ch == '0') {
+ if (source.eat(/[xX]/)) {
+ source.eatWhile(hexitRE); // should require at least 1
+ return "integer";
+ }
+ if (source.eat(/[oO]/)) {
+ source.eatWhile(octitRE); // should require at least 1
+ return "number";
+ }
+ }
+ source.eatWhile(digitRE);
+ var t = "number";
+ if (source.eat('.')) {
+ t = "number";
+ source.eatWhile(digitRE); // should require at least 1
+ }
+ if (source.eat(/[eE]/)) {
+ t = "number";
+ source.eat(/[-+]/);
+ source.eatWhile(digitRE); // should require at least 1
+ }
+ return t;
+ }
+
+ if (symbolRE.test(ch)) {
+ if (ch == '-' && source.eat(/-/)) {
+ source.eatWhile(/-/);
+ if (!source.eat(symbolRE)) {
+ source.skipToEnd();
+ return "comment";
+ }
+ }
+ var t = "variable";
+ if (ch == ':') {
+ t = "variable-2";
+ }
+ source.eatWhile(symbolRE);
+ return t;
+ }
+
+ return "error";
+ }
+
+ function ncomment(type, nest) {
+ if (nest == 0) {
+ return normal;
+ }
+ return function(source, setState) {
+ var currNest = nest;
+ while (!source.eol()) {
+ var ch = source.next();
+ if (ch == '{' && source.eat('-')) {
+ ++currNest;
+ }
+ else if (ch == '-' && source.eat('}')) {
+ --currNest;
+ if (currNest == 0) {
+ setState(normal);
+ return type;
+ }
+ }
+ }
+ setState(ncomment(type, currNest));
+ return type;
+ };
+ }
+
+ function stringLiteral(source, setState) {
+ while (!source.eol()) {
+ var ch = source.next();
+ if (ch == '"') {
+ setState(normal);
+ return "string";
+ }
+ if (ch == '\\') {
+ if (source.eol() || source.eat(whiteCharRE)) {
+ setState(stringGap);
+ return "string";
+ }
+ if (source.eat('&')) {
+ }
+ else {
+ source.next(); // should handle other escapes here
+ }
+ }
+ }
+ setState(normal);
+ return "error";
+ }
+
+ function stringGap(source, setState) {
+ if (source.eat('\\')) {
+ return switchState(source, setState, stringLiteral);
+ }
+ source.next();
+ setState(normal);
+ return "error";
+ }
+
+
+ var wellKnownWords = (function() {
+ var wkw = {};
+ function setType(t) {
+ return function () {
+ for (var i = 0; i < arguments.length; i++)
+ wkw[arguments[i]] = t;
+ };
+ }
+
+ setType("keyword")(
+ "case", "class", "data", "default", "deriving", "do", "else", "foreign",
+ "if", "import", "in", "infix", "infixl", "infixr", "instance", "let",
+ "module", "newtype", "of", "then", "type", "where", "_");
+
+ setType("keyword")(
+ "\.\.", ":", "::", "=", "\\", "\"", "<-", "->", "@", "~", "=>");
+
+ setType("builtin")(
+ "!!", "$!", "$", "&&", "+", "++", "-", ".", "/", "/=", "<", "<=", "=<<",
+ "==", ">", ">=", ">>", ">>=", "^", "^^", "||", "*", "**");
+
+ setType("builtin")(
+ "Bool", "Bounded", "Char", "Double", "EQ", "Either", "Enum", "Eq",
+ "False", "FilePath", "Float", "Floating", "Fractional", "Functor", "GT",
+ "IO", "IOError", "Int", "Integer", "Integral", "Just", "LT", "Left",
+ "Maybe", "Monad", "Nothing", "Num", "Ord", "Ordering", "Rational", "Read",
+ "ReadS", "Real", "RealFloat", "RealFrac", "Right", "Show", "ShowS",
+ "String", "True");
+
+ setType("builtin")(
+ "abs", "acos", "acosh", "all", "and", "any", "appendFile", "asTypeOf",
+ "asin", "asinh", "atan", "atan2", "atanh", "break", "catch", "ceiling",
+ "compare", "concat", "concatMap", "const", "cos", "cosh", "curry",
+ "cycle", "decodeFloat", "div", "divMod", "drop", "dropWhile", "either",
+ "elem", "encodeFloat", "enumFrom", "enumFromThen", "enumFromThenTo",
+ "enumFromTo", "error", "even", "exp", "exponent", "fail", "filter",
+ "flip", "floatDigits", "floatRadix", "floatRange", "floor", "fmap",
+ "foldl", "foldl1", "foldr", "foldr1", "fromEnum", "fromInteger",
+ "fromIntegral", "fromRational", "fst", "gcd", "getChar", "getContents",
+ "getLine", "head", "id", "init", "interact", "ioError", "isDenormalized",
+ "isIEEE", "isInfinite", "isNaN", "isNegativeZero", "iterate", "last",
+ "lcm", "length", "lex", "lines", "log", "logBase", "lookup", "map",
+ "mapM", "mapM_", "max", "maxBound", "maximum", "maybe", "min", "minBound",
+ "minimum", "mod", "negate", "not", "notElem", "null", "odd", "or",
+ "otherwise", "pi", "pred", "print", "product", "properFraction",
+ "putChar", "putStr", "putStrLn", "quot", "quotRem", "read", "readFile",
+ "readIO", "readList", "readLn", "readParen", "reads", "readsPrec",
+ "realToFrac", "recip", "rem", "repeat", "replicate", "return", "reverse",
+ "round", "scaleFloat", "scanl", "scanl1", "scanr", "scanr1", "seq",
+ "sequence", "sequence_", "show", "showChar", "showList", "showParen",
+ "showString", "shows", "showsPrec", "significand", "signum", "sin",
+ "sinh", "snd", "span", "splitAt", "sqrt", "subtract", "succ", "sum",
+ "tail", "take", "takeWhile", "tan", "tanh", "toEnum", "toInteger",
+ "toRational", "truncate", "uncurry", "undefined", "unlines", "until",
+ "unwords", "unzip", "unzip3", "userError", "words", "writeFile", "zip",
+ "zip3", "zipWith", "zipWith3");
+
+ return wkw;
+ })();
+
+
+
+ return {
+ startState: function () { return { f: normal }; },
+ copyState: function (s) { return { f: s.f }; },
+
+ token: function(stream, state) {
+ var t = state.f(stream, function(s) { state.f = s; });
+ var w = stream.current();
+ return (w in wellKnownWords) ? wellKnownWords[w] : t;
+ },
+
+ blockCommentStart: "{-",
+ blockCommentEnd: "-}",
+ lineComment: "--"
+ };
+
+});
+
+CodeMirror.defineMIME("text/x-haskell", "haskell");
git://git.onelab.eu / myslice.git / blobdiff