mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/CodeMirror
synced 2024-12-11 13:56:02 +00:00
370 lines
9.9 KiB
JavaScript
370 lines
9.9 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
|
|
|
/**
|
|
* Link to the project's GitHub page:
|
|
* https://github.com/pickhardt/coffeescript-codemirror-mode
|
|
*/
|
|
(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("coffeescript", function(conf, parserConf) {
|
|
var ERRORCLASS = "error";
|
|
|
|
function wordRegexp(words) {
|
|
return new RegExp("^((" + words.join(")|(") + "))\\b");
|
|
}
|
|
|
|
var operators = /^(?:->|=>|\+[+=]?|-[\-=]?|\*[\*=]?|\/[\/=]?|[=!]=|<[><]?=?|>>?=?|%=?|&=?|\|=?|\^=?|\~|!|\?|(or|and|\|\||&&|\?)=)/;
|
|
var delimiters = /^(?:[()\[\]{},:`=;]|\.\.?\.?)/;
|
|
var identifiers = /^[_A-Za-z$][_A-Za-z$0-9]*/;
|
|
var properties = /^(@|this\.)[_A-Za-z$][_A-Za-z$0-9]*/;
|
|
|
|
var wordOperators = wordRegexp(["and", "or", "not",
|
|
"is", "isnt", "in",
|
|
"instanceof", "typeof"]);
|
|
var indentKeywords = ["for", "while", "loop", "if", "unless", "else",
|
|
"switch", "try", "catch", "finally", "class"];
|
|
var commonKeywords = ["break", "by", "continue", "debugger", "delete",
|
|
"do", "in", "of", "new", "return", "then",
|
|
"this", "@", "throw", "when", "until", "extends"];
|
|
|
|
var keywords = wordRegexp(indentKeywords.concat(commonKeywords));
|
|
|
|
indentKeywords = wordRegexp(indentKeywords);
|
|
|
|
|
|
var stringPrefixes = /^('{3}|\"{3}|['\"])/;
|
|
var regexPrefixes = /^(\/{3}|\/)/;
|
|
var commonConstants = ["Infinity", "NaN", "undefined", "null", "true", "false", "on", "off", "yes", "no"];
|
|
var constants = wordRegexp(commonConstants);
|
|
|
|
// Tokenizers
|
|
function tokenBase(stream, state) {
|
|
// Handle scope changes
|
|
if (stream.sol()) {
|
|
if (state.scope.align === null) state.scope.align = false;
|
|
var scopeOffset = state.scope.offset;
|
|
if (stream.eatSpace()) {
|
|
var lineOffset = stream.indentation();
|
|
if (lineOffset > scopeOffset && state.scope.type == "coffee") {
|
|
return "indent";
|
|
} else if (lineOffset < scopeOffset) {
|
|
return "dedent";
|
|
}
|
|
return null;
|
|
} else {
|
|
if (scopeOffset > 0) {
|
|
dedent(stream, state);
|
|
}
|
|
}
|
|
}
|
|
if (stream.eatSpace()) {
|
|
return null;
|
|
}
|
|
|
|
var ch = stream.peek();
|
|
|
|
// Handle docco title comment (single line)
|
|
if (stream.match("####")) {
|
|
stream.skipToEnd();
|
|
return "comment";
|
|
}
|
|
|
|
// Handle multi line comments
|
|
if (stream.match("###")) {
|
|
state.tokenize = longComment;
|
|
return state.tokenize(stream, state);
|
|
}
|
|
|
|
// Single line comment
|
|
if (ch === "#") {
|
|
stream.skipToEnd();
|
|
return "comment";
|
|
}
|
|
|
|
// Handle number literals
|
|
if (stream.match(/^-?[0-9\.]/, false)) {
|
|
var floatLiteral = false;
|
|
// Floats
|
|
if (stream.match(/^-?\d*\.\d+(e[\+\-]?\d+)?/i)) {
|
|
floatLiteral = true;
|
|
}
|
|
if (stream.match(/^-?\d+\.\d*/)) {
|
|
floatLiteral = true;
|
|
}
|
|
if (stream.match(/^-?\.\d+/)) {
|
|
floatLiteral = true;
|
|
}
|
|
|
|
if (floatLiteral) {
|
|
// prevent from getting extra . on 1..
|
|
if (stream.peek() == "."){
|
|
stream.backUp(1);
|
|
}
|
|
return "number";
|
|
}
|
|
// Integers
|
|
var intLiteral = false;
|
|
// Hex
|
|
if (stream.match(/^-?0x[0-9a-f]+/i)) {
|
|
intLiteral = true;
|
|
}
|
|
// Decimal
|
|
if (stream.match(/^-?[1-9]\d*(e[\+\-]?\d+)?/)) {
|
|
intLiteral = true;
|
|
}
|
|
// Zero by itself with no other piece of number.
|
|
if (stream.match(/^-?0(?![\dx])/i)) {
|
|
intLiteral = true;
|
|
}
|
|
if (intLiteral) {
|
|
return "number";
|
|
}
|
|
}
|
|
|
|
// Handle strings
|
|
if (stream.match(stringPrefixes)) {
|
|
state.tokenize = tokenFactory(stream.current(), false, "string");
|
|
return state.tokenize(stream, state);
|
|
}
|
|
// Handle regex literals
|
|
if (stream.match(regexPrefixes)) {
|
|
if (stream.current() != "/" || stream.match(/^.*\//, false)) { // prevent highlight of division
|
|
state.tokenize = tokenFactory(stream.current(), true, "string-2");
|
|
return state.tokenize(stream, state);
|
|
} else {
|
|
stream.backUp(1);
|
|
}
|
|
}
|
|
|
|
// Handle operators and delimiters
|
|
if (stream.match(operators) || stream.match(wordOperators)) {
|
|
return "operator";
|
|
}
|
|
if (stream.match(delimiters)) {
|
|
return "punctuation";
|
|
}
|
|
|
|
if (stream.match(constants)) {
|
|
return "atom";
|
|
}
|
|
|
|
if (stream.match(keywords)) {
|
|
return "keyword";
|
|
}
|
|
|
|
if (stream.match(identifiers)) {
|
|
return "variable";
|
|
}
|
|
|
|
if (stream.match(properties)) {
|
|
return "property";
|
|
}
|
|
|
|
// Handle non-detected items
|
|
stream.next();
|
|
return ERRORCLASS;
|
|
}
|
|
|
|
function tokenFactory(delimiter, singleline, outclass) {
|
|
return function(stream, state) {
|
|
while (!stream.eol()) {
|
|
stream.eatWhile(/[^'"\/\\]/);
|
|
if (stream.eat("\\")) {
|
|
stream.next();
|
|
if (singleline && stream.eol()) {
|
|
return outclass;
|
|
}
|
|
} else if (stream.match(delimiter)) {
|
|
state.tokenize = tokenBase;
|
|
return outclass;
|
|
} else {
|
|
stream.eat(/['"\/]/);
|
|
}
|
|
}
|
|
if (singleline) {
|
|
if (parserConf.singleLineStringErrors) {
|
|
outclass = ERRORCLASS;
|
|
} else {
|
|
state.tokenize = tokenBase;
|
|
}
|
|
}
|
|
return outclass;
|
|
};
|
|
}
|
|
|
|
function longComment(stream, state) {
|
|
while (!stream.eol()) {
|
|
stream.eatWhile(/[^#]/);
|
|
if (stream.match("###")) {
|
|
state.tokenize = tokenBase;
|
|
break;
|
|
}
|
|
stream.eatWhile("#");
|
|
}
|
|
return "comment";
|
|
}
|
|
|
|
function indent(stream, state, type) {
|
|
type = type || "coffee";
|
|
var offset = 0, align = false, alignOffset = null;
|
|
for (var scope = state.scope; scope; scope = scope.prev) {
|
|
if (scope.type === "coffee" || scope.type == "}") {
|
|
offset = scope.offset + conf.indentUnit;
|
|
break;
|
|
}
|
|
}
|
|
if (type !== "coffee") {
|
|
align = null;
|
|
alignOffset = stream.column() + stream.current().length;
|
|
} else if (state.scope.align) {
|
|
state.scope.align = false;
|
|
}
|
|
state.scope = {
|
|
offset: offset,
|
|
type: type,
|
|
prev: state.scope,
|
|
align: align,
|
|
alignOffset: alignOffset
|
|
};
|
|
}
|
|
|
|
function dedent(stream, state) {
|
|
if (!state.scope.prev) return;
|
|
if (state.scope.type === "coffee") {
|
|
var _indent = stream.indentation();
|
|
var matched = false;
|
|
for (var scope = state.scope; scope; scope = scope.prev) {
|
|
if (_indent === scope.offset) {
|
|
matched = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!matched) {
|
|
return true;
|
|
}
|
|
while (state.scope.prev && state.scope.offset !== _indent) {
|
|
state.scope = state.scope.prev;
|
|
}
|
|
return false;
|
|
} else {
|
|
state.scope = state.scope.prev;
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function tokenLexer(stream, state) {
|
|
var style = state.tokenize(stream, state);
|
|
var current = stream.current();
|
|
|
|
// Handle "." connected identifiers
|
|
if (current === ".") {
|
|
style = state.tokenize(stream, state);
|
|
current = stream.current();
|
|
if (/^\.[\w$]+$/.test(current)) {
|
|
return "variable";
|
|
} else {
|
|
return ERRORCLASS;
|
|
}
|
|
}
|
|
|
|
// Handle scope changes.
|
|
if (current === "return") {
|
|
state.dedent = true;
|
|
}
|
|
if (((current === "->" || current === "=>") &&
|
|
!state.lambda &&
|
|
!stream.peek())
|
|
|| style === "indent") {
|
|
indent(stream, state);
|
|
}
|
|
var delimiter_index = "[({".indexOf(current);
|
|
if (delimiter_index !== -1) {
|
|
indent(stream, state, "])}".slice(delimiter_index, delimiter_index+1));
|
|
}
|
|
if (indentKeywords.exec(current)){
|
|
indent(stream, state);
|
|
}
|
|
if (current == "then"){
|
|
dedent(stream, state);
|
|
}
|
|
|
|
|
|
if (style === "dedent") {
|
|
if (dedent(stream, state)) {
|
|
return ERRORCLASS;
|
|
}
|
|
}
|
|
delimiter_index = "])}".indexOf(current);
|
|
if (delimiter_index !== -1) {
|
|
while (state.scope.type == "coffee" && state.scope.prev)
|
|
state.scope = state.scope.prev;
|
|
if (state.scope.type == current)
|
|
state.scope = state.scope.prev;
|
|
}
|
|
if (state.dedent && stream.eol()) {
|
|
if (state.scope.type == "coffee" && state.scope.prev)
|
|
state.scope = state.scope.prev;
|
|
state.dedent = false;
|
|
}
|
|
|
|
return style;
|
|
}
|
|
|
|
var external = {
|
|
startState: function(basecolumn) {
|
|
return {
|
|
tokenize: tokenBase,
|
|
scope: {offset:basecolumn || 0, type:"coffee", prev: null, align: false},
|
|
lastToken: null,
|
|
lambda: false,
|
|
dedent: 0
|
|
};
|
|
},
|
|
|
|
token: function(stream, state) {
|
|
var fillAlign = state.scope.align === null && state.scope;
|
|
if (fillAlign && stream.sol()) fillAlign.align = false;
|
|
|
|
var style = tokenLexer(stream, state);
|
|
if (fillAlign && style && style != "comment") fillAlign.align = true;
|
|
|
|
state.lastToken = {style:style, content: stream.current()};
|
|
|
|
if (stream.eol() && stream.lambda) {
|
|
state.lambda = false;
|
|
}
|
|
|
|
return style;
|
|
},
|
|
|
|
indent: function(state, text) {
|
|
if (state.tokenize != tokenBase) return 0;
|
|
var scope = state.scope;
|
|
var closer = text && "])}".indexOf(text.charAt(0)) > -1;
|
|
if (closer) while (scope.type == "coffee" && scope.prev) scope = scope.prev;
|
|
var closes = closer && scope.type === text.charAt(0);
|
|
if (scope.align)
|
|
return scope.alignOffset - (closes ? 1 : 0);
|
|
else
|
|
return (closes ? scope.prev : scope).offset;
|
|
},
|
|
|
|
lineComment: "#",
|
|
fold: "indent"
|
|
};
|
|
return external;
|
|
});
|
|
|
|
CodeMirror.defineMIME("text/x-coffeescript", "coffeescript");
|
|
|
|
});
|