scripts/CodeMirror/mode/shell/shell.js (view raw)
1// CodeMirror, copyright (c) by Marijn Haverbeke and others
2// Distributed under an MIT license: https://codemirror.net/LICENSE
3
4(function(mod) {
5 if (typeof exports == "object" && typeof module == "object") // CommonJS
6 mod(require("../../lib/codemirror"));
7 else if (typeof define == "function" && define.amd) // AMD
8 define(["../../lib/codemirror"], mod);
9 else // Plain browser env
10 mod(CodeMirror);
11})(function(CodeMirror) {
12"use strict";
13
14CodeMirror.defineMode('shell', function() {
15
16 var words = {};
17 function define(style, dict) {
18 for(var i = 0; i < dict.length; i++) {
19 words[dict[i]] = style;
20 }
21 };
22
23 var commonAtoms = ["true", "false"];
24 var commonKeywords = ["if", "then", "do", "else", "elif", "while", "until", "for", "in", "esac", "fi",
25 "fin", "fil", "done", "exit", "set", "unset", "export", "function"];
26 var commonCommands = ["ab", "awk", "bash", "beep", "cat", "cc", "cd", "chown", "chmod", "chroot", "clear",
27 "cp", "curl", "cut", "diff", "echo", "find", "gawk", "gcc", "get", "git", "grep", "hg", "kill", "killall",
28 "ln", "ls", "make", "mkdir", "openssl", "mv", "nc", "nl", "node", "npm", "ping", "ps", "restart", "rm",
29 "rmdir", "sed", "service", "sh", "shopt", "shred", "source", "sort", "sleep", "ssh", "start", "stop",
30 "su", "sudo", "svn", "tee", "telnet", "top", "touch", "vi", "vim", "wall", "wc", "wget", "who", "write",
31 "yes", "zsh"];
32
33 CodeMirror.registerHelper("hintWords", "shell", commonAtoms.concat(commonKeywords, commonCommands));
34
35 define('atom', commonAtoms);
36 define('keyword', commonKeywords);
37 define('builtin', commonCommands);
38
39 function tokenBase(stream, state) {
40 if (stream.eatSpace()) return null;
41
42 var sol = stream.sol();
43 var ch = stream.next();
44
45 if (ch === '\\') {
46 stream.next();
47 return null;
48 }
49 if (ch === '\'' || ch === '"' || ch === '`') {
50 state.tokens.unshift(tokenString(ch, ch === "`" ? "quote" : "string"));
51 return tokenize(stream, state);
52 }
53 if (ch === '#') {
54 if (sol && stream.eat('!')) {
55 stream.skipToEnd();
56 return 'meta'; // 'comment'?
57 }
58 stream.skipToEnd();
59 return 'comment';
60 }
61 if (ch === '$') {
62 state.tokens.unshift(tokenDollar);
63 return tokenize(stream, state);
64 }
65 if (ch === '+' || ch === '=') {
66 return 'operator';
67 }
68 if (ch === '-') {
69 stream.eat('-');
70 stream.eatWhile(/\w/);
71 return 'attribute';
72 }
73 if (/\d/.test(ch)) {
74 stream.eatWhile(/\d/);
75 if(stream.eol() || !/\w/.test(stream.peek())) {
76 return 'number';
77 }
78 }
79 stream.eatWhile(/[\w-]/);
80 var cur = stream.current();
81 if (stream.peek() === '=' && /\w+/.test(cur)) return 'def';
82 return words.hasOwnProperty(cur) ? words[cur] : null;
83 }
84
85 function tokenString(quote, style) {
86 var close = quote == "(" ? ")" : quote == "{" ? "}" : quote
87 return function(stream, state) {
88 var next, escaped = false;
89 while ((next = stream.next()) != null) {
90 if (next === close && !escaped) {
91 state.tokens.shift();
92 break;
93 } else if (next === '$' && !escaped && quote !== "'" && stream.peek() != close) {
94 escaped = true;
95 stream.backUp(1);
96 state.tokens.unshift(tokenDollar);
97 break;
98 } else if (!escaped && quote !== close && next === quote) {
99 state.tokens.unshift(tokenString(quote, style))
100 return tokenize(stream, state)
101 } else if (!escaped && /['"]/.test(next) && !/['"]/.test(quote)) {
102 state.tokens.unshift(tokenStringStart(next, "string"));
103 stream.backUp(1);
104 break;
105 }
106 escaped = !escaped && next === '\\';
107 }
108 return style;
109 };
110 };
111
112 function tokenStringStart(quote, style) {
113 return function(stream, state) {
114 state.tokens[0] = tokenString(quote, style)
115 stream.next()
116 return tokenize(stream, state)
117 }
118 }
119
120 var tokenDollar = function(stream, state) {
121 if (state.tokens.length > 1) stream.eat('$');
122 var ch = stream.next()
123 if (/['"({]/.test(ch)) {
124 state.tokens[0] = tokenString(ch, ch == "(" ? "quote" : ch == "{" ? "def" : "string");
125 return tokenize(stream, state);
126 }
127 if (!/\d/.test(ch)) stream.eatWhile(/\w/);
128 state.tokens.shift();
129 return 'def';
130 };
131
132 function tokenize(stream, state) {
133 return (state.tokens[0] || tokenBase) (stream, state);
134 };
135
136 return {
137 startState: function() {return {tokens:[]};},
138 token: function(stream, state) {
139 return tokenize(stream, state);
140 },
141 closeBrackets: "()[]{}''\"\"``",
142 lineComment: '#',
143 fold: "brace"
144 };
145});
146
147CodeMirror.defineMIME('text/x-sh', 'shell');
148// Apache uses a slightly different Media Type for Shell scripts
149// http://svn.apache.org/repos/asf/httpd/httpd/trunk/docs/conf/mime.types
150CodeMirror.defineMIME('application/x-sh', 'shell');
151
152});