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// CodeMirror, copyright (c) by Marijn Haverbeke and others

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// Distributed under an MIT license: http://codemirror.net/LICENSE

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(function(mod) {

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if (typeof exports == "object" && typeof module == "object") // CommonJS

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mod(require("../../lib/codemirror"));

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else if (typeof define == "function" && define.amd) // AMD

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define(["../../lib/codemirror"], mod);

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else // Plain browser env

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mod(CodeMirror);

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})(function(CodeMirror) {

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"use strict";

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function wordRegexp(words) {

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return new RegExp("^((" + words.join(")|(") + "))\\b");

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};

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var builtinArray = [

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"Clamp",

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"Constructor",

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"EnforceRange",

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"Exposed",

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"ImplicitThis",

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"Global", "PrimaryGlobal",

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"LegacyArrayClass",

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"LegacyUnenumerableNamedProperties",

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"LenientThis",

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"NamedConstructor",

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"NewObject",

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"NoInterfaceObject",

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"OverrideBuiltins",

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"PutForwards",

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"Replaceable",

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"SameObject",

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"TreatNonObjectAsNull",

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"TreatNullAs",

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"EmptyString",

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"Unforgeable",

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"Unscopeable"

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];

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var builtins = wordRegexp(builtinArray);

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var typeArray = [

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"unsigned", "short", "long", // UnsignedIntegerType

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"unrestricted", "float", "double", // UnrestrictedFloatType

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"boolean", "byte", "octet", // Rest of PrimitiveType

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"Promise", // PromiseType

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"ArrayBuffer", "DataView", "Int8Array", "Int16Array", "Int32Array",

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"Uint8Array", "Uint16Array", "Uint32Array", "Uint8ClampedArray",

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"Float32Array", "Float64Array", // BufferRelatedType

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"ByteString", "DOMString", "USVString", "sequence", "object", "RegExp",

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"Error", "DOMException", "FrozenArray", // Rest of NonAnyType

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"any", // Rest of SingleType

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"void" // Rest of ReturnType

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];

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var types = wordRegexp(typeArray);

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var keywordArray = [

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"attribute", "callback", "const", "deleter", "dictionary", "enum", "getter",

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"implements", "inherit", "interface", "iterable", "legacycaller", "maplike",

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"partial", "required", "serializer", "setlike", "setter", "static",

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"stringifier", "typedef", // ArgumentNameKeyword except

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// "unrestricted"

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"optional", "readonly", "or"

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];

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var keywords = wordRegexp(keywordArray);

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var atomArray = [

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"true", "false", // BooleanLiteral

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"Infinity", "NaN", // FloatLiteral

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"null" // Rest of ConstValue

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];

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var atoms = wordRegexp(atomArray);

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CodeMirror.registerHelper("hintWords", "webidl",

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builtinArray.concat(typeArray).concat(keywordArray).concat(atomArray));

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var startDefArray = ["callback", "dictionary", "enum", "interface"];

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var startDefs = wordRegexp(startDefArray);

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var endDefArray = ["typedef"];

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var endDefs = wordRegexp(endDefArray);

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var singleOperators = /^[:<=>?]/;

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var integers = /^-?([1-9][0-9]*|0[Xx][0-9A-Fa-f]+|0[0-7]*)/;

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var floats = /^-?(([0-9]+\.[0-9]*|[0-9]*\.[0-9]+)([Ee][+-]?[0-9]+)?|[0-9]+[Ee][+-]?[0-9]+)/;

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var identifiers = /^_?[A-Za-z][0-9A-Z_a-z-]*/;

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var identifiersEnd = /^_?[A-Za-z][0-9A-Z_a-z-]*(?=\s*;)/;

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var strings = /^"[^"]*"/;

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var multilineComments = /^\/\*.*?\*\//;

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var multilineCommentsStart = /^\/\*.*/;

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var multilineCommentsEnd = /^.*?\*\//;

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function readToken(stream, state) {

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// whitespace

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if (stream.eatSpace()) return null;

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// comment

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if (state.inComment) {

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if (stream.match(multilineCommentsEnd)) {

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state.inComment = false;

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return "comment";

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}

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stream.skipToEnd();

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return "comment";

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}

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if (stream.match("//")) {

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stream.skipToEnd();

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return "comment";

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}

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if (stream.match(multilineComments)) return "comment";

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if (stream.match(multilineCommentsStart)) {

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state.inComment = true;

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return "comment";

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}

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// integer and float

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if (stream.match(/^-?[0-9\.]/, false)) {

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if (stream.match(integers) || stream.match(floats)) return "number";

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}

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// string

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if (stream.match(strings)) return "string";

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// identifier

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if (state.startDef && stream.match(identifiers)) return "def";

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if (state.endDef && stream.match(identifiersEnd)) {

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state.endDef = false;

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return "def";

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}

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if (stream.match(keywords)) return "keyword";

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if (stream.match(types)) {

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var lastToken = state.lastToken;

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var nextToken = (stream.match(/^\s*(.+?)\b/, false) || [])[1];

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if (lastToken === ":" || lastToken === "implements" ||

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nextToken === "implements" || nextToken === "=") {

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// Used as identifier

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return "builtin";

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} else {

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// Used as type

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return "variable-3";

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}

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}

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if (stream.match(builtins)) return "builtin";

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if (stream.match(atoms)) return "atom";

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if (stream.match(identifiers)) return "variable";

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// other

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if (stream.match(singleOperators)) return "operator";

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// unrecognized

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stream.next();

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return null;

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};

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CodeMirror.defineMode("webidl", function() {

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return {

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startState: function() {

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return {

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// Is in multiline comment

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inComment: false,

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// Last non-whitespace, matched token

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lastToken: "",

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// Next token is a definition

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startDef: false,

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// Last token of the statement is a definition

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endDef: false

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};

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token: function(stream, state) {

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var style = readToken(stream, state);

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if (style) {

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var cur = stream.current();

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state.lastToken = cur;

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if (style === "keyword") {

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state.startDef = startDefs.test(cur);

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state.endDef = state.endDef || endDefs.test(cur);

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} else {

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state.startDef = false;

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}

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}

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return style;

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}

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};

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});

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CodeMirror.defineMIME("text/x-webidl", "webidl");

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});

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