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https://github.com/go-gitea/gitea
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69dae1ec1c
* Added coding style modes to SimpleMDE * Moved the CodeMirror addon from simplemd to codemirror directory
168 lines
4.4 KiB
JavaScript
168 lines
4.4 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('smalltalk', function(config) {
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var specialChars = /[+\-\/\\*~<>=@%|&?!.,:;^]/;
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var keywords = /true|false|nil|self|super|thisContext/;
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var Context = function(tokenizer, parent) {
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this.next = tokenizer;
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this.parent = parent;
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};
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var Token = function(name, context, eos) {
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this.name = name;
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this.context = context;
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this.eos = eos;
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};
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var State = function() {
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this.context = new Context(next, null);
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this.expectVariable = true;
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this.indentation = 0;
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this.userIndentationDelta = 0;
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};
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State.prototype.userIndent = function(indentation) {
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this.userIndentationDelta = indentation > 0 ? (indentation / config.indentUnit - this.indentation) : 0;
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};
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var next = function(stream, context, state) {
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var token = new Token(null, context, false);
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var aChar = stream.next();
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if (aChar === '"') {
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token = nextComment(stream, new Context(nextComment, context));
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} else if (aChar === '\'') {
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token = nextString(stream, new Context(nextString, context));
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} else if (aChar === '#') {
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if (stream.peek() === '\'') {
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stream.next();
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token = nextSymbol(stream, new Context(nextSymbol, context));
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} else {
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if (stream.eatWhile(/[^\s.{}\[\]()]/))
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token.name = 'string-2';
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else
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token.name = 'meta';
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}
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} else if (aChar === '$') {
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if (stream.next() === '<') {
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stream.eatWhile(/[^\s>]/);
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stream.next();
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}
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token.name = 'string-2';
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} else if (aChar === '|' && state.expectVariable) {
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token.context = new Context(nextTemporaries, context);
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} else if (/[\[\]{}()]/.test(aChar)) {
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token.name = 'bracket';
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token.eos = /[\[{(]/.test(aChar);
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if (aChar === '[') {
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state.indentation++;
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} else if (aChar === ']') {
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state.indentation = Math.max(0, state.indentation - 1);
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}
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} else if (specialChars.test(aChar)) {
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stream.eatWhile(specialChars);
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token.name = 'operator';
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token.eos = aChar !== ';'; // ; cascaded message expression
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} else if (/\d/.test(aChar)) {
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stream.eatWhile(/[\w\d]/);
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token.name = 'number';
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} else if (/[\w_]/.test(aChar)) {
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stream.eatWhile(/[\w\d_]/);
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token.name = state.expectVariable ? (keywords.test(stream.current()) ? 'keyword' : 'variable') : null;
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} else {
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token.eos = state.expectVariable;
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}
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return token;
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};
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var nextComment = function(stream, context) {
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stream.eatWhile(/[^"]/);
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return new Token('comment', stream.eat('"') ? context.parent : context, true);
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};
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var nextString = function(stream, context) {
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stream.eatWhile(/[^']/);
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return new Token('string', stream.eat('\'') ? context.parent : context, false);
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};
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var nextSymbol = function(stream, context) {
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stream.eatWhile(/[^']/);
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return new Token('string-2', stream.eat('\'') ? context.parent : context, false);
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};
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var nextTemporaries = function(stream, context) {
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var token = new Token(null, context, false);
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var aChar = stream.next();
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if (aChar === '|') {
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token.context = context.parent;
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token.eos = true;
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} else {
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stream.eatWhile(/[^|]/);
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token.name = 'variable';
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}
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return token;
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};
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return {
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startState: function() {
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return new State;
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},
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token: function(stream, state) {
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state.userIndent(stream.indentation());
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if (stream.eatSpace()) {
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return null;
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}
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var token = state.context.next(stream, state.context, state);
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state.context = token.context;
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state.expectVariable = token.eos;
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return token.name;
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},
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blankLine: function(state) {
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state.userIndent(0);
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},
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indent: function(state, textAfter) {
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var i = state.context.next === next && textAfter && textAfter.charAt(0) === ']' ? -1 : state.userIndentationDelta;
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return (state.indentation + i) * config.indentUnit;
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},
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electricChars: ']'
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};
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});
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CodeMirror.defineMIME('text/x-stsrc', {name: 'smalltalk'});
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});
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