mirror of https://github.com/shadowfacts/type.git
161 lines
3.7 KiB
JavaScript
161 lines
3.7 KiB
JavaScript
// 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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CodeMirror.defineMode("eiffel", function() {
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function wordObj(words) {
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var o = {};
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for (var i = 0, e = words.length; i < e; ++i) o[words[i]] = true;
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return o;
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}
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var keywords = wordObj([
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'note',
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'across',
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'when',
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'variant',
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'until',
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'unique',
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'undefine',
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'then',
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'strip',
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'select',
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'retry',
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'rescue',
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'require',
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'rename',
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'reference',
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'redefine',
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'prefix',
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'once',
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'old',
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'obsolete',
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'loop',
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'local',
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'like',
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'is',
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'inspect',
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'infix',
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'include',
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'if',
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'frozen',
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'from',
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'external',
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'export',
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'ensure',
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'end',
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'elseif',
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'else',
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'do',
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'creation',
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'create',
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'check',
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'alias',
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'agent',
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'separate',
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'invariant',
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'inherit',
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'indexing',
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'feature',
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'expanded',
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'deferred',
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'class',
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'Void',
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'True',
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'Result',
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'Precursor',
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'False',
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'Current',
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'create',
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'attached',
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'detachable',
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'as',
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'and',
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'implies',
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'not',
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'or'
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]);
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var operators = wordObj([":=", "and then","and", "or","<<",">>"]);
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function chain(newtok, stream, state) {
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state.tokenize.push(newtok);
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return newtok(stream, state);
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}
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function tokenBase(stream, state) {
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if (stream.eatSpace()) return null;
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var ch = stream.next();
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if (ch == '"'||ch == "'") {
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return chain(readQuoted(ch, "string"), stream, state);
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} else if (ch == "-"&&stream.eat("-")) {
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stream.skipToEnd();
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return "comment";
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} else if (ch == ":"&&stream.eat("=")) {
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return "operator";
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} else if (/[0-9]/.test(ch)) {
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stream.eatWhile(/[xXbBCc0-9\.]/);
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stream.eat(/[\?\!]/);
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return "ident";
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} else if (/[a-zA-Z_0-9]/.test(ch)) {
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stream.eatWhile(/[a-zA-Z_0-9]/);
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stream.eat(/[\?\!]/);
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return "ident";
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} else if (/[=+\-\/*^%<>~]/.test(ch)) {
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stream.eatWhile(/[=+\-\/*^%<>~]/);
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return "operator";
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} else {
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return null;
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}
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}
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function readQuoted(quote, style, unescaped) {
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return function(stream, state) {
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var escaped = false, ch;
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while ((ch = stream.next()) != null) {
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if (ch == quote && (unescaped || !escaped)) {
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state.tokenize.pop();
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break;
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}
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escaped = !escaped && ch == "%";
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}
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return style;
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};
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}
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return {
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startState: function() {
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return {tokenize: [tokenBase]};
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},
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token: function(stream, state) {
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var style = state.tokenize[state.tokenize.length-1](stream, state);
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if (style == "ident") {
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var word = stream.current();
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style = keywords.propertyIsEnumerable(stream.current()) ? "keyword"
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: operators.propertyIsEnumerable(stream.current()) ? "operator"
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: /^[A-Z][A-Z_0-9]*$/g.test(word) ? "tag"
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: /^0[bB][0-1]+$/g.test(word) ? "number"
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: /^0[cC][0-7]+$/g.test(word) ? "number"
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: /^0[xX][a-fA-F0-9]+$/g.test(word) ? "number"
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: /^([0-9]+\.[0-9]*)|([0-9]*\.[0-9]+)$/g.test(word) ? "number"
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: /^[0-9]+$/g.test(word) ? "number"
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: "variable";
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}
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return style;
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},
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lineComment: "--"
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};
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});
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CodeMirror.defineMIME("text/x-eiffel", "eiffel");
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});
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