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sieve.js
193 lines
| 4.2 KiB
| application/javascript
|
JavascriptLexer
r1 | // 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("sieve", function(config) { | ||||
function words(str) { | ||||
var obj = {}, words = str.split(" "); | ||||
for (var i = 0; i < words.length; ++i) obj[words[i]] = true; | ||||
return obj; | ||||
} | ||||
var keywords = words("if elsif else stop require"); | ||||
var atoms = words("true false not"); | ||||
var indentUnit = config.indentUnit; | ||||
function tokenBase(stream, state) { | ||||
var ch = stream.next(); | ||||
if (ch == "/" && stream.eat("*")) { | ||||
state.tokenize = tokenCComment; | ||||
return tokenCComment(stream, state); | ||||
} | ||||
if (ch === '#') { | ||||
stream.skipToEnd(); | ||||
return "comment"; | ||||
} | ||||
if (ch == "\"") { | ||||
state.tokenize = tokenString(ch); | ||||
return state.tokenize(stream, state); | ||||
} | ||||
if (ch == "(") { | ||||
state._indent.push("("); | ||||
// add virtual angel wings so that editor behaves... | ||||
// ...more sane incase of broken brackets | ||||
state._indent.push("{"); | ||||
return null; | ||||
} | ||||
if (ch === "{") { | ||||
state._indent.push("{"); | ||||
return null; | ||||
} | ||||
if (ch == ")") { | ||||
state._indent.pop(); | ||||
state._indent.pop(); | ||||
} | ||||
if (ch === "}") { | ||||
state._indent.pop(); | ||||
return null; | ||||
} | ||||
if (ch == ",") | ||||
return null; | ||||
if (ch == ";") | ||||
return null; | ||||
if (/[{}\(\),;]/.test(ch)) | ||||
return null; | ||||
// 1*DIGIT "K" / "M" / "G" | ||||
if (/\d/.test(ch)) { | ||||
stream.eatWhile(/[\d]/); | ||||
stream.eat(/[KkMmGg]/); | ||||
return "number"; | ||||
} | ||||
// ":" (ALPHA / "_") *(ALPHA / DIGIT / "_") | ||||
if (ch == ":") { | ||||
stream.eatWhile(/[a-zA-Z_]/); | ||||
stream.eatWhile(/[a-zA-Z0-9_]/); | ||||
return "operator"; | ||||
} | ||||
stream.eatWhile(/\w/); | ||||
var cur = stream.current(); | ||||
// "text:" *(SP / HTAB) (hash-comment / CRLF) | ||||
// *(multiline-literal / multiline-dotstart) | ||||
// "." CRLF | ||||
if ((cur == "text") && stream.eat(":")) | ||||
{ | ||||
state.tokenize = tokenMultiLineString; | ||||
return "string"; | ||||
} | ||||
if (keywords.propertyIsEnumerable(cur)) | ||||
return "keyword"; | ||||
if (atoms.propertyIsEnumerable(cur)) | ||||
return "atom"; | ||||
return null; | ||||
} | ||||
function tokenMultiLineString(stream, state) | ||||
{ | ||||
state._multiLineString = true; | ||||
// the first line is special it may contain a comment | ||||
if (!stream.sol()) { | ||||
stream.eatSpace(); | ||||
if (stream.peek() == "#") { | ||||
stream.skipToEnd(); | ||||
return "comment"; | ||||
} | ||||
stream.skipToEnd(); | ||||
return "string"; | ||||
} | ||||
if ((stream.next() == ".") && (stream.eol())) | ||||
{ | ||||
state._multiLineString = false; | ||||
state.tokenize = tokenBase; | ||||
} | ||||
return "string"; | ||||
} | ||||
function tokenCComment(stream, state) { | ||||
var maybeEnd = false, ch; | ||||
while ((ch = stream.next()) != null) { | ||||
if (maybeEnd && ch == "/") { | ||||
state.tokenize = tokenBase; | ||||
break; | ||||
} | ||||
maybeEnd = (ch == "*"); | ||||
} | ||||
return "comment"; | ||||
} | ||||
function tokenString(quote) { | ||||
return function(stream, state) { | ||||
var escaped = false, ch; | ||||
while ((ch = stream.next()) != null) { | ||||
if (ch == quote && !escaped) | ||||
break; | ||||
escaped = !escaped && ch == "\\"; | ||||
} | ||||
if (!escaped) state.tokenize = tokenBase; | ||||
return "string"; | ||||
}; | ||||
} | ||||
return { | ||||
startState: function(base) { | ||||
return {tokenize: tokenBase, | ||||
baseIndent: base || 0, | ||||
_indent: []}; | ||||
}, | ||||
token: function(stream, state) { | ||||
if (stream.eatSpace()) | ||||
return null; | ||||
return (state.tokenize || tokenBase)(stream, state);; | ||||
}, | ||||
indent: function(state, _textAfter) { | ||||
var length = state._indent.length; | ||||
if (_textAfter && (_textAfter[0] == "}")) | ||||
length--; | ||||
if (length <0) | ||||
length = 0; | ||||
return length * indentUnit; | ||||
}, | ||||
electricChars: "}" | ||||
}; | ||||
}); | ||||
CodeMirror.defineMIME("application/sieve", "sieve"); | ||||
}); | ||||