Mercurial
diff .cms/lib/codemirror/mode/elm/elm.js @ 0:78edf6b517a0 draft
24.10
author | Coffee CMS <info@coffee-cms.ru> |
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date | Fri, 11 Oct 2024 22:40:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.cms/lib/codemirror/mode/elm/elm.js Fri Oct 11 22:40:23 2024 +0000 @@ -0,0 +1,245 @@ +// CodeMirror, copyright (c) by Marijn Haverbeke and others +// Distributed under an MIT license: http://codemirror.net/5/LICENSE + +(function(mod) { + if (typeof exports == "object" && typeof module == "object") // CommonJS + mod(require("../../lib/codemirror")); + else if (typeof define == "function" && define.amd) // AMD + define(["../../lib/codemirror"], mod); + else // Plain browser env + mod(CodeMirror); +})(function(CodeMirror) { + "use strict"; + + CodeMirror.defineMode("elm", function() { + + function switchState(source, setState, f) + { + setState(f); + return f(source, setState); + } + + var lowerRE = /[a-z]/; + var upperRE = /[A-Z]/; + var innerRE = /[a-zA-Z0-9_]/; + + var digitRE = /[0-9]/; + var hexRE = /[0-9A-Fa-f]/; + var symbolRE = /[-&*+.\\/<>=?^|:]/; + var specialRE = /[(),[\]{}]/; + var spacesRE = /[ \v\f]/; // newlines are handled in tokenizer + + function normal() + { + return function(source, setState) + { + if (source.eatWhile(spacesRE)) + { + return null; + } + + var char = source.next(); + + if (specialRE.test(char)) + { + return (char === '{' && source.eat('-')) + ? switchState(source, setState, chompMultiComment(1)) + : (char === '[' && source.match('glsl|')) + ? switchState(source, setState, chompGlsl) + : 'builtin'; + } + + if (char === '\'') + { + return switchState(source, setState, chompChar); + } + + if (char === '"') + { + return source.eat('"') + ? source.eat('"') + ? switchState(source, setState, chompMultiString) + : 'string' + : switchState(source, setState, chompSingleString); + } + + if (upperRE.test(char)) + { + source.eatWhile(innerRE); + return 'variable-2'; + } + + if (lowerRE.test(char)) + { + var isDef = source.pos === 1; + source.eatWhile(innerRE); + return isDef ? "def" : "variable"; + } + + if (digitRE.test(char)) + { + if (char === '0') + { + if (source.eat(/[xX]/)) + { + source.eatWhile(hexRE); // should require at least 1 + return "number"; + } + } + else + { + source.eatWhile(digitRE); + } + if (source.eat('.')) + { + source.eatWhile(digitRE); // should require at least 1 + } + if (source.eat(/[eE]/)) + { + source.eat(/[-+]/); + source.eatWhile(digitRE); // should require at least 1 + } + return "number"; + } + + if (symbolRE.test(char)) + { + if (char === '-' && source.eat('-')) + { + source.skipToEnd(); + return "comment"; + } + source.eatWhile(symbolRE); + return "keyword"; + } + + if (char === '_') + { + return "keyword"; + } + + return "error"; + } + } + + function chompMultiComment(nest) + { + if (nest == 0) + { + return normal(); + } + return function(source, setState) + { + while (!source.eol()) + { + var char = source.next(); + if (char == '{' && source.eat('-')) + { + ++nest; + } + else if (char == '-' && source.eat('}')) + { + --nest; + if (nest === 0) + { + setState(normal()); + return 'comment'; + } + } + } + setState(chompMultiComment(nest)); + return 'comment'; + } + } + + function chompMultiString(source, setState) + { + while (!source.eol()) + { + var char = source.next(); + if (char === '"' && source.eat('"') && source.eat('"')) + { + setState(normal()); + return 'string'; + } + } + return 'string'; + } + + function chompSingleString(source, setState) + { + while (source.skipTo('\\"')) { source.next(); source.next(); } + if (source.skipTo('"')) + { + source.next(); + setState(normal()); + return 'string'; + } + source.skipToEnd(); + setState(normal()); + return 'error'; + } + + function chompChar(source, setState) + { + while (source.skipTo("\\'")) { source.next(); source.next(); } + if (source.skipTo("'")) + { + source.next(); + setState(normal()); + return 'string'; + } + source.skipToEnd(); + setState(normal()); + return 'error'; + } + + function chompGlsl(source, setState) + { + while (!source.eol()) + { + var char = source.next(); + if (char === '|' && source.eat(']')) + { + setState(normal()); + return 'string'; + } + } + return 'string'; + } + + var wellKnownWords = { + case: 1, + of: 1, + as: 1, + if: 1, + then: 1, + else: 1, + let: 1, + in: 1, + type: 1, + alias: 1, + module: 1, + where: 1, + import: 1, + exposing: 1, + port: 1 + }; + + return { + startState: function () { return { f: normal() }; }, + copyState: function (s) { return { f: s.f }; }, + + lineComment: '--', + + token: function(stream, state) { + var type = state.f(stream, function(s) { state.f = s; }); + var word = stream.current(); + return (wellKnownWords.hasOwnProperty(word)) ? 'keyword' : type; + } + }; + + }); + + CodeMirror.defineMIME("text/x-elm", "elm"); +});