forked from gitea/gitea
392 lines
11 KiB
JavaScript
392 lines
11 KiB
JavaScript
|
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
||
|
|
// Distributed under an MIT license: http://codemirror.net/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("crystal", function(config) {
|
||
|
|
function wordRegExp(words, end) {
|
||
|
|
return new RegExp((end ? "" : "^") + "(?:" + words.join("|") + ")" + (end ? "$" : "\\b"));
|
||
|
|
}
|
||
|
|
|
||
|
|
function chain(tokenize, stream, state) {
|
||
|
|
state.tokenize.push(tokenize);
|
||
|
|
return tokenize(stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
var operators = /^(?:[-+/%|&^]|\*\*?|[<>]{2})/;
|
||
|
|
var conditionalOperators = /^(?:[=!]~|===|<=>|[<>=!]=?|[|&]{2}|~)/;
|
||
|
|
var indexingOperators = /^(?:\[\][?=]?)/;
|
||
|
|
var anotherOperators = /^(?:\.(?:\.{2})?|->|[?:])/;
|
||
|
|
var idents = /^[a-z_\u009F-\uFFFF][a-zA-Z0-9_\u009F-\uFFFF]*/;
|
||
|
|
var types = /^[A-Z_\u009F-\uFFFF][a-zA-Z0-9_\u009F-\uFFFF]*/;
|
||
|
|
var keywords = wordRegExp([
|
||
|
|
"abstract", "alias", "as", "asm", "begin", "break", "case", "class", "def", "do",
|
||
|
|
"else", "elsif", "end", "ensure", "enum", "extend", "for", "fun", "if", "ifdef",
|
||
|
|
"include", "instance_sizeof", "lib", "macro", "module", "next", "of", "out", "pointerof",
|
||
|
|
"private", "protected", "rescue", "return", "require", "sizeof", "struct",
|
||
|
|
"super", "then", "type", "typeof", "union", "unless", "until", "when", "while", "with",
|
||
|
|
"yield", "__DIR__", "__FILE__", "__LINE__"
|
||
|
|
]);
|
||
|
|
var atomWords = wordRegExp(["true", "false", "nil", "self"]);
|
||
|
|
var indentKeywordsArray = [
|
||
|
|
"def", "fun", "macro",
|
||
|
|
"class", "module", "struct", "lib", "enum", "union",
|
||
|
|
"if", "unless", "case", "while", "until", "begin", "then",
|
||
|
|
"do",
|
||
|
|
"for", "ifdef"
|
||
|
|
];
|
||
|
|
var indentKeywords = wordRegExp(indentKeywordsArray);
|
||
|
|
var dedentKeywordsArray = [
|
||
|
|
"end",
|
||
|
|
"else", "elsif",
|
||
|
|
"rescue", "ensure"
|
||
|
|
];
|
||
|
|
var dedentKeywords = wordRegExp(dedentKeywordsArray);
|
||
|
|
var dedentPunctualsArray = ["\\)", "\\}", "\\]"];
|
||
|
|
var dedentPunctuals = new RegExp("^(?:" + dedentPunctualsArray.join("|") + ")$");
|
||
|
|
var nextTokenizer = {
|
||
|
|
"def": tokenFollowIdent, "fun": tokenFollowIdent, "macro": tokenMacroDef,
|
||
|
|
"class": tokenFollowType, "module": tokenFollowType, "struct": tokenFollowType,
|
||
|
|
"lib": tokenFollowType, "enum": tokenFollowType, "union": tokenFollowType
|
||
|
|
};
|
||
|
|
var matching = {"[": "]", "{": "}", "(": ")", "<": ">"};
|
||
|
|
|
||
|
|
function tokenBase(stream, state) {
|
||
|
|
if (stream.eatSpace()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Macros
|
||
|
|
if (state.lastToken != "\\" && stream.match("{%", false)) {
|
||
|
|
return chain(tokenMacro("%", "%"), stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (state.lastToken != "\\" && stream.match("{{", false)) {
|
||
|
|
return chain(tokenMacro("{", "}"), stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Comments
|
||
|
|
if (stream.peek() == "#") {
|
||
|
|
stream.skipToEnd();
|
||
|
|
return "comment";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Variables and keywords
|
||
|
|
var matched;
|
||
|
|
if (stream.match(idents)) {
|
||
|
|
stream.eat(/[?!]/);
|
||
|
|
|
||
|
|
matched = stream.current();
|
||
|
|
if (stream.eat(":")) {
|
||
|
|
return "atom";
|
||
|
|
} else if (state.lastToken == ".") {
|
||
|
|
return "property";
|
||
|
|
} else if (keywords.test(matched)) {
|
||
|
|
if (state.lastToken != "abstract" && indentKeywords.test(matched)) {
|
||
|
|
if (!(matched == "fun" && state.blocks.indexOf("lib") >= 0)) {
|
||
|
|
state.blocks.push(matched);
|
||
|
|
state.currentIndent += 1;
|
||
|
|
}
|
||
|
|
} else if (dedentKeywords.test(matched)) {
|
||
|
|
state.blocks.pop();
|
||
|
|
state.currentIndent -= 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (nextTokenizer.hasOwnProperty(matched)) {
|
||
|
|
state.tokenize.push(nextTokenizer[matched]);
|
||
|
|
}
|
||
|
|
|
||
|
|
return "keyword";
|
||
|
|
} else if (atomWords.test(matched)) {
|
||
|
|
return "atom";
|
||
|
|
}
|
||
|
|
|
||
|
|
return "variable";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Class variables and instance variables
|
||
|
|
// or attributes
|
||
|
|
if (stream.eat("@")) {
|
||
|
|
if (stream.peek() == "[") {
|
||
|
|
return chain(tokenNest("[", "]", "meta"), stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
stream.eat("@");
|
||
|
|
stream.match(idents) || stream.match(types);
|
||
|
|
return "variable-2";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Global variables
|
||
|
|
if (stream.eat("$")) {
|
||
|
|
stream.eat(/[0-9]+|\?/) || stream.match(idents) || stream.match(types);
|
||
|
|
return "variable-3";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Constants and types
|
||
|
|
if (stream.match(types)) {
|
||
|
|
return "tag";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Symbols or ':' operator
|
||
|
|
if (stream.eat(":")) {
|
||
|
|
if (stream.eat("\"")) {
|
||
|
|
return chain(tokenQuote("\"", "atom", false), stream, state);
|
||
|
|
} else if (stream.match(idents) || stream.match(types) ||
|
||
|
|
stream.match(operators) || stream.match(conditionalOperators) || stream.match(indexingOperators)) {
|
||
|
|
return "atom";
|
||
|
|
}
|
||
|
|
stream.eat(":");
|
||
|
|
return "operator";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Strings
|
||
|
|
if (stream.eat("\"")) {
|
||
|
|
return chain(tokenQuote("\"", "string", true), stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Strings or regexps or macro variables or '%' operator
|
||
|
|
if (stream.peek() == "%") {
|
||
|
|
var style = "string";
|
||
|
|
var embed = true;
|
||
|
|
var delim;
|
||
|
|
|
||
|
|
if (stream.match("%r")) {
|
||
|
|
// Regexps
|
||
|
|
style = "string-2";
|
||
|
|
delim = stream.next();
|
||
|
|
} else if (stream.match("%w")) {
|
||
|
|
embed = false;
|
||
|
|
delim = stream.next();
|
||
|
|
} else {
|
||
|
|
if(delim = stream.match(/^%([^\w\s=])/)) {
|
||
|
|
delim = delim[1];
|
||
|
|
} else if (stream.match(/^%[a-zA-Z0-9_\u009F-\uFFFF]*/)) {
|
||
|
|
// Macro variables
|
||
|
|
return "meta";
|
||
|
|
} else {
|
||
|
|
// '%' operator
|
||
|
|
return "operator";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (matching.hasOwnProperty(delim)) {
|
||
|
|
delim = matching[delim];
|
||
|
|
}
|
||
|
|
return chain(tokenQuote(delim, style, embed), stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Characters
|
||
|
|
if (stream.eat("'")) {
|
||
|
|
stream.match(/^(?:[^']|\\(?:[befnrtv0'"]|[0-7]{3}|u(?:[0-9a-fA-F]{4}|\{[0-9a-fA-F]{1,6}\})))/);
|
||
|
|
stream.eat("'");
|
||
|
|
return "atom";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Numbers
|
||
|
|
if (stream.eat("0")) {
|
||
|
|
if (stream.eat("x")) {
|
||
|
|
stream.match(/^[0-9a-fA-F]+/);
|
||
|
|
} else if (stream.eat("o")) {
|
||
|
|
stream.match(/^[0-7]+/);
|
||
|
|
} else if (stream.eat("b")) {
|
||
|
|
stream.match(/^[01]+/);
|
||
|
|
}
|
||
|
|
return "number";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stream.eat(/\d/)) {
|
||
|
|
stream.match(/^\d*(?:\.\d+)?(?:[eE][+-]?\d+)?/);
|
||
|
|
return "number";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Operators
|
||
|
|
if (stream.match(operators)) {
|
||
|
|
stream.eat("="); // Operators can follow assign symbol.
|
||
|
|
return "operator";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stream.match(conditionalOperators) || stream.match(anotherOperators)) {
|
||
|
|
return "operator";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Parens and braces
|
||
|
|
if (matched = stream.match(/[({[]/, false)) {
|
||
|
|
matched = matched[0];
|
||
|
|
return chain(tokenNest(matched, matching[matched], null), stream, state);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Escapes
|
||
|
|
if (stream.eat("\\")) {
|
||
|
|
stream.next();
|
||
|
|
return "meta";
|
||
|
|
}
|
||
|
|
|
||
|
|
stream.next();
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenNest(begin, end, style, started) {
|
||
|
|
return function (stream, state) {
|
||
|
|
if (!started && stream.match(begin)) {
|
||
|
|
state.tokenize[state.tokenize.length - 1] = tokenNest(begin, end, style, true);
|
||
|
|
state.currentIndent += 1;
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
var nextStyle = tokenBase(stream, state);
|
||
|
|
if (stream.current() === end) {
|
||
|
|
state.tokenize.pop();
|
||
|
|
state.currentIndent -= 1;
|
||
|
|
nextStyle = style;
|
||
|
|
}
|
||
|
|
|
||
|
|
return nextStyle;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenMacro(begin, end, started) {
|
||
|
|
return function (stream, state) {
|
||
|
|
if (!started && stream.match("{" + begin)) {
|
||
|
|
state.currentIndent += 1;
|
||
|
|
state.tokenize[state.tokenize.length - 1] = tokenMacro(begin, end, true);
|
||
|
|
return "meta";
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stream.match(end + "}")) {
|
||
|
|
state.currentIndent -= 1;
|
||
|
|
state.tokenize.pop();
|
||
|
|
return "meta";
|
||
|
|
}
|
||
|
|
|
||
|
|
return tokenBase(stream, state);
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenMacroDef(stream, state) {
|
||
|
|
if (stream.eatSpace()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
var matched;
|
||
|
|
if (matched = stream.match(idents)) {
|
||
|
|
if (matched == "def") {
|
||
|
|
return "keyword";
|
||
|
|
}
|
||
|
|
stream.eat(/[?!]/);
|
||
|
|
}
|
||
|
|
|
||
|
|
state.tokenize.pop();
|
||
|
|
return "def";
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenFollowIdent(stream, state) {
|
||
|
|
if (stream.eatSpace()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stream.match(idents)) {
|
||
|
|
stream.eat(/[!?]/);
|
||
|
|
} else {
|
||
|
|
stream.match(operators) || stream.match(conditionalOperators) || stream.match(indexingOperators);
|
||
|
|
}
|
||
|
|
state.tokenize.pop();
|
||
|
|
return "def";
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenFollowType(stream, state) {
|
||
|
|
if (stream.eatSpace()) {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
|
||
|
|
stream.match(types);
|
||
|
|
state.tokenize.pop();
|
||
|
|
return "def";
|
||
|
|
}
|
||
|
|
|
||
|
|
function tokenQuote(end, style, embed) {
|
||
|
|
return function (stream, state) {
|
||
|
|
var escaped = false;
|
||
|
|
|
||
|
|
while (stream.peek()) {
|
||
|
|
if (!escaped) {
|
||
|
|
if (stream.match("{%", false)) {
|
||
|
|
state.tokenize.push(tokenMacro("%", "%"));
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (stream.match("{{", false)) {
|
||
|
|
state.tokenize.push(tokenMacro("{", "}"));
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (embed && stream.match("#{", false)) {
|
||
|
|
state.tokenize.push(tokenNest("#{", "}", "meta"));
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
var ch = stream.next();
|
||
|
|
|
||
|
|
if (ch == end) {
|
||
|
|
state.tokenize.pop();
|
||
|
|
return style;
|
||
|
|
}
|
||
|
|
|
||
|
|
escaped = ch == "\\";
|
||
|
|
} else {
|
||
|
|
stream.next();
|
||
|
|
escaped = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return style;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
return {
|
||
|
|
startState: function () {
|
||
|
|
return {
|
||
|
|
tokenize: [tokenBase],
|
||
|
|
currentIndent: 0,
|
||
|
|
lastToken: null,
|
||
|
|
blocks: []
|
||
|
|
};
|
||
|
|
},
|
||
|
|
|
||
|
|
token: function (stream, state) {
|
||
|
|
var style = state.tokenize[state.tokenize.length - 1](stream, state);
|
||
|
|
var token = stream.current();
|
||
|
|
|
||
|
|
if (style && style != "comment") {
|
||
|
|
state.lastToken = token;
|
||
|
|
}
|
||
|
|
|
||
|
|
return style;
|
||
|
|
},
|
||
|
|
|
||
|
|
indent: function (state, textAfter) {
|
||
|
|
textAfter = textAfter.replace(/^\s*(?:\{%)?\s*|\s*(?:%\})?\s*$/g, "");
|
||
|
|
|
||
|
|
if (dedentKeywords.test(textAfter) || dedentPunctuals.test(textAfter)) {
|
||
|
|
return config.indentUnit * (state.currentIndent - 1);
|
||
|
|
}
|
||
|
|
|
||
|
|
return config.indentUnit * state.currentIndent;
|
||
|
|
},
|
||
|
|
|
||
|
|
fold: "indent",
|
||
|
|
electricInput: wordRegExp(dedentPunctualsArray.concat(dedentKeywordsArray), true),
|
||
|
|
lineComment: '#'
|
||
|
|
};
|
||
|
|
});
|
||
|
|
|
||
|
|
CodeMirror.defineMIME("text/x-crystal", "crystal");
|
||
|
|
});
|