Permalink
Fetching contributors…
Cannot retrieve contributors at this time
191 lines (172 sloc) 7.24 KB
/* ***** BEGIN LICENSE BLOCK *****
* Distributed under the BSD license:
*
* Copyright (c) 2010, Ajax.org B.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Ajax.org B.V. nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ***** END LICENSE BLOCK ***** */
define(function(require, exports, module) {
"use strict";
var oop = require("../lib/oop");
var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
var LuaHighlightRules = function() {
var keywords = (
"break|do|else|elseif|end|for|function|if|in|local|repeat|"+
"return|then|until|while|or|and|not"
);
var builtinConstants = ("true|false|nil|_G|_VERSION");
var functions = (
// builtinFunctions
"string|xpcall|package|tostring|print|os|unpack|require|"+
"getfenv|setmetatable|next|assert|tonumber|io|rawequal|"+
"collectgarbage|getmetatable|module|rawset|math|debug|"+
"pcall|table|newproxy|type|coroutine|_G|select|gcinfo|"+
"pairs|rawget|loadstring|ipairs|_VERSION|dofile|setfenv|"+
"load|error|loadfile|"+
"sub|upper|len|gfind|rep|find|match|char|dump|gmatch|"+
"reverse|byte|format|gsub|lower|preload|loadlib|loaded|"+
"loaders|cpath|config|path|seeall|exit|setlocale|date|"+
"getenv|difftime|remove|time|clock|tmpname|rename|execute|"+
"lines|write|close|flush|open|output|type|read|stderr|"+
"stdin|input|stdout|popen|tmpfile|log|max|acos|huge|"+
"ldexp|pi|cos|tanh|pow|deg|tan|cosh|sinh|random|randomseed|"+
"frexp|ceil|floor|rad|abs|sqrt|modf|asin|min|mod|fmod|log10|"+
"atan2|exp|sin|atan|getupvalue|debug|sethook|getmetatable|"+
"gethook|setmetatable|setlocal|traceback|setfenv|getinfo|"+
"setupvalue|getlocal|getregistry|getfenv|setn|insert|getn|"+
"foreachi|maxn|foreach|concat|sort|remove|resume|yield|"+
"status|wrap|create|running|"+
// metatableMethods
"__add|__sub|__mod|__unm|__concat|__lt|__index|__call|__gc|__metatable|"+
"__mul|__div|__pow|__len|__eq|__le|__newindex|__tostring|__mode|__tonumber"
);
var stdLibaries = ("string|package|os|io|math|debug|table|coroutine");
var deprecatedIn5152 = ("setn|foreach|foreachi|gcinfo|log10|maxn");
var keywordMapper = this.createKeywordMapper({
"keyword": keywords,
"support.function": functions,
"keyword.deprecated": deprecatedIn5152,
"constant.library": stdLibaries,
"constant.language": builtinConstants,
"variable.language": "self"
}, "identifier");
var decimalInteger = "(?:(?:[1-9]\\d*)|(?:0))";
var hexInteger = "(?:0[xX][\\dA-Fa-f]+)";
var integer = "(?:" + decimalInteger + "|" + hexInteger + ")";
var fraction = "(?:\\.\\d+)";
var intPart = "(?:\\d+)";
var pointFloat = "(?:(?:" + intPart + "?" + fraction + ")|(?:" + intPart + "\\.))";
var floatNumber = "(?:" + pointFloat + ")";
this.$rules = {
"start" : [{
stateName: "bracketedComment",
onMatch : function(value, currentState, stack){
stack.unshift(this.next, value.length - 2, currentState);
return "comment";
},
regex : /\-\-\[=*\[/,
next : [
{
onMatch : function(value, currentState, stack) {
if (value.length == stack[1]) {
stack.shift();
stack.shift();
this.next = stack.shift();
} else {
this.next = "";
}
return "comment";
},
regex : /\]=*\]/,
next : "start"
}, {
defaultToken : "comment"
}
]
},
{
token : "comment",
regex : "\\-\\-.*$"
},
{
stateName: "bracketedString",
onMatch : function(value, currentState, stack){
stack.unshift(this.next, value.length, currentState);
return "string.start";
},
regex : /\[=*\[/,
next : [
{
onMatch : function(value, currentState, stack) {
if (value.length == stack[1]) {
stack.shift();
stack.shift();
this.next = stack.shift();
} else {
this.next = "";
}
return "string.end";
},
regex : /\]=*\]/,
next : "start"
}, {
defaultToken : "string"
}
]
},
{
token : "string", // " string
regex : '"(?:[^\\\\]|\\\\.)*?"'
}, {
token : "string", // ' string
regex : "'(?:[^\\\\]|\\\\.)*?'"
}, {
token : "constant.numeric", // float
regex : floatNumber
}, {
token : "constant.numeric", // integer
regex : integer + "\\b"
}, {
token : keywordMapper,
regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
}, {
token : "keyword.operator",
regex : "\\+|\\-|\\*|\\/|%|\\#|\\^|~|<|>|<=|=>|==|~=|=|\\:|\\.\\.\\.|\\.\\."
}, {
token : "paren.lparen",
regex : "[\\[\\(\\{]"
}, {
token : "paren.rparen",
regex : "[\\]\\)\\}]"
}, {
token : "text",
regex : "\\s+|\\w+"
} ]
};
this.normalizeRules();
};
oop.inherits(LuaHighlightRules, TextHighlightRules);
exports.LuaHighlightRules = LuaHighlightRules;
});