shell.js
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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://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('shell', function() {
var words = {};
function define(style, dict) {
for(var i = 0; i < dict.length; i++) {
words[dict[i]] = style;
}
};
var commonAtoms = ["true", "false"];
var commonKeywords = ["if", "then", "do", "else", "elif", "while", "until", "for", "in", "esac", "fi",
"fin", "fil", "done", "exit", "set", "unset", "export", "function"];
var commonCommands = ["ab", "awk", "bash", "beep", "cat", "cc", "cd", "chown", "chmod", "chroot", "clear",
"cp", "curl", "cut", "diff", "echo", "find", "gawk", "gcc", "get", "git", "grep", "hg", "kill", "killall",
"ln", "ls", "make", "mkdir", "openssl", "mv", "nc", "nl", "node", "npm", "ping", "ps", "restart", "rm",
"rmdir", "sed", "service", "sh", "shopt", "shred", "source", "sort", "sleep", "ssh", "start", "stop",
"su", "sudo", "svn", "tee", "telnet", "top", "touch", "vi", "vim", "wall", "wc", "wget", "who", "write",
"yes", "zsh"];
CodeMirror.registerHelper("hintWords", "shell", commonAtoms.concat(commonKeywords, commonCommands));
define('atom', commonAtoms);
define('keyword', commonKeywords);
define('builtin', commonCommands);
function tokenBase(stream, state) {
if (stream.eatSpace()) return null;
var sol = stream.sol();
var ch = stream.next();
if (ch === '\\') {
stream.next();
return null;
}
if (ch === '\'' || ch === '"' || ch === '`') {
state.tokens.unshift(tokenString(ch, ch === "`" ? "quote" : "string"));
return tokenize(stream, state);
}
if (ch === '#') {
if (sol && stream.eat('!')) {
stream.skipToEnd();
return 'meta'; // 'comment'?
}
stream.skipToEnd();
return 'comment';
}
if (ch === '$') {
state.tokens.unshift(tokenDollar);
return tokenize(stream, state);
}
if (ch === '+' || ch === '=') {
return 'operator';
}
if (ch === '-') {
stream.eat('-');
stream.eatWhile(/\w/);
return 'attribute';
}
if (ch == "<") {
if (stream.match("<<")) return "operator"
var heredoc = stream.match(/^<-?\s*['"]?([^'"]*)['"]?/)
if (heredoc) {
state.tokens.unshift(tokenHeredoc(heredoc[1]))
return 'string-2'
}
}
if (/\d/.test(ch)) {
stream.eatWhile(/\d/);
if(stream.eol() || !/\w/.test(stream.peek())) {
return 'number';
}
}
stream.eatWhile(/[\w-]/);
var cur = stream.current();
if (stream.peek() === '=' && /\w+/.test(cur)) return 'def';
return words.hasOwnProperty(cur) ? words[cur] : null;
}
function tokenString(quote, style) {
var close = quote == "(" ? ")" : quote == "{" ? "}" : quote
return function(stream, state) {
var next, escaped = false;
while ((next = stream.next()) != null) {
if (next === close && !escaped) {
state.tokens.shift();
break;
} else if (next === '$' && !escaped && quote !== "'" && stream.peek() != close) {
escaped = true;
stream.backUp(1);
state.tokens.unshift(tokenDollar);
break;
} else if (!escaped && quote !== close && next === quote) {
state.tokens.unshift(tokenString(quote, style))
return tokenize(stream, state)
} else if (!escaped && /['"]/.test(next) && !/['"]/.test(quote)) {
state.tokens.unshift(tokenStringStart(next, "string"));
stream.backUp(1);
break;
}
escaped = !escaped && next === '\\';
}
return style;
};
};
function tokenStringStart(quote, style) {
return function(stream, state) {
state.tokens[0] = tokenString(quote, style)
stream.next()
return tokenize(stream, state)
}
}
var tokenDollar = function(stream, state) {
if (state.tokens.length > 1) stream.eat('$');
var ch = stream.next()
if (/['"({]/.test(ch)) {
state.tokens[0] = tokenString(ch, ch == "(" ? "quote" : ch == "{" ? "def" : "string");
return tokenize(stream, state);
}
if (!/\d/.test(ch)) stream.eatWhile(/\w/);
state.tokens.shift();
return 'def';
};
function tokenHeredoc(delim) {
return function(stream, state) {
if (stream.sol() && stream.string == delim) state.tokens.shift()
stream.skipToEnd()
return "string-2"
}
}
function tokenize(stream, state) {
return (state.tokens[0] || tokenBase) (stream, state);
};
return {
startState: function() {return {tokens:[]};},
token: function(stream, state) {
return tokenize(stream, state);
},
closeBrackets: "()[]{}''\"\"``",
lineComment: '#',
fold: "brace"
};
});
CodeMirror.defineMIME('text/x-sh', 'shell');
// Apache uses a slightly different Media Type for Shell scripts
// http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
CodeMirror.defineMIME('application/x-sh', 'shell');
});