gitlab-org--gitlab-foss/vendor/assets/javascripts/ace-src-noconflict/mode-lua.js

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2012-10-09 13:11:49 -04:00
/* ***** 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 ***** */
ace.define('ace/mode/lua', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text', 'ace/tokenizer', 'ace/mode/lua_highlight_rules', 'ace/range'], function(require, exports, module) {
var oop = require("../lib/oop");
var TextMode = require("./text").Mode;
var Tokenizer = require("../tokenizer").Tokenizer;
var LuaHighlightRules = require("./lua_highlight_rules").LuaHighlightRules;
var Range = require("../range").Range;
var Mode = function() {
this.$tokenizer = new Tokenizer(new LuaHighlightRules().getRules());
};
oop.inherits(Mode, TextMode);
(function() {
var indentKeywords = {
"function": 1,
"then": 1,
"do": 1,
"else": 1,
"elseif": 1,
"repeat": 1,
"end": -1,
"until": -1,
};
var outdentKeywords = [
"else",
"elseif",
"end",
"until"
];
function getNetIndentLevel(tokens) {
var level = 0;
// Support single-line blocks by decrementing the indent level if
// an ending token is found
for (var i in tokens){
var token = tokens[i];
if (token.type == "keyword") {
if (token.value in indentKeywords) {
level += indentKeywords[token.value];
}
} else if (token.type == "paren.lparen") {
level ++;
} else if (token.type == "paren.rparen") {
level --;
}
}
// Limit the level to +/- 1 since usually users only indent one level
// at a time regardless of the logical nesting level
if (level < 0) {
return -1;
} else if (level > 0) {
return 1;
} else {
return 0;
}
}
this.getNextLineIndent = function(state, line, tab) {
var indent = this.$getIndent(line);
var level = 0;
var tokenizedLine = this.$tokenizer.getLineTokens(line, state);
var tokens = tokenizedLine.tokens;
if (state == "start") {
level = getNetIndentLevel(tokens);
}
if (level > 0) {
return indent + tab;
} else if (level < 0 && indent.substr(indent.length - tab.length) == tab) {
// Don't do a next-line outdent if we're going to do a real outdent of this line
if (!this.checkOutdent(state, line, "\n")) {
return indent.substr(0, indent.length - tab.length);
}
}
return indent;
};
this.checkOutdent = function(state, line, input) {
if (input != "\n" && input != "\r" && input != "\r\n")
return false;
if (line.match(/^\s*[\)\}\]]$/))
return true;
var tokens = this.$tokenizer.getLineTokens(line.trim(), state).tokens;
if (!tokens || !tokens.length)
return false;
return (tokens[0].type == "keyword" && outdentKeywords.indexOf(tokens[0].value) != -1);
};
this.autoOutdent = function(state, session, row) {
var prevLine = session.getLine(row - 1);
var prevIndent = this.$getIndent(prevLine).length;
var prevTokens = this.$tokenizer.getLineTokens(prevLine, "start").tokens;
var tabLength = session.getTabString().length;
var expectedIndent = prevIndent + tabLength * getNetIndentLevel(prevTokens);
var curIndent = this.$getIndent(session.getLine(row)).length;
if (curIndent < expectedIndent) {
// User already outdented //
return;
}
session.outdentRows(new Range(row, 0, row + 2, 0));
};
}).call(Mode.prototype);
exports.Mode = Mode;
});
ace.define('ace/mode/lua_highlight_rules', ['require', 'exports', 'module' , 'ace/lib/oop', 'ace/mode/text_highlight_rules'], function(require, exports, module) {
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 futureReserved = "";
var deprecatedIn5152 = ("setn|foreach|foreachi|gcinfo|log10|maxn");
var keywordMapper = this.createKeywordMapper({
"keyword": keywords,
"support.function": functions,
"invalid.deprecated": deprecatedIn5152,
"constant.library": stdLibaries,
"constant.language": builtinConstants,
"invalid.illegal": futureReserved,
"variable.language": "this"
}, "identifier");
var strPre = "";
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 + ")";
var comment_stack = [];
this.$rules = {
"start" :
// bracketed comments
[{
token : "comment", // --[[ comment
regex : strPre + '\\-\\-\\[\\[.*\\]\\]'
}, {
token : "comment", // --[=[ comment
regex : strPre + '\\-\\-\\[\\=\\[.*\\]\\=\\]'
}, {
token : "comment", // --[==[ comment
regex : strPre + '\\-\\-\\[\\={2}\\[.*\\]\\={2}\\]'
}, {
token : "comment", // --[===[ comment
regex : strPre + '\\-\\-\\[\\={3}\\[.*\\]\\={3}\\]'
}, {
token : "comment", // --[====[ comment
regex : strPre + '\\-\\-\\[\\={4}\\[.*\\]\\={4}\\]'
}, {
token : "comment", // --[====+[ comment
regex : strPre + '\\-\\-\\[\\={5}\\=*\\[.*\\]\\={5}\\=*\\]'
},
// multiline bracketed comments
{
token : "comment", // --[[ comment
regex : strPre + '\\-\\-\\[\\[.*$',
merge : true,
next : "qcomment"
}, {
token : "comment", // --[=[ comment
regex : strPre + '\\-\\-\\[\\=\\[.*$',
merge : true,
next : "qcomment1"
}, {
token : "comment", // --[==[ comment
regex : strPre + '\\-\\-\\[\\={2}\\[.*$',
merge : true,
next : "qcomment2"
}, {
token : "comment", // --[===[ comment
regex : strPre + '\\-\\-\\[\\={3}\\[.*$',
merge : true,
next : "qcomment3"
}, {
token : "comment", // --[====[ comment
regex : strPre + '\\-\\-\\[\\={4}\\[.*$',
merge : true,
next : "qcomment4"
}, {
token : function(value){ // --[====+[ comment
// WARNING: EXTREMELY SLOW, but this is the only way to circumvent the
// limits imposed by the current automaton.
// I've never personally seen any practical code where 5 or more '='s are
// used for string or commenting, so this will rarely be invoked.
var pattern = /\-\-\[(\=+)\[/, match;
// you can never be too paranoid ;)
if ((match = pattern.exec(value)) != null && (match = match[1]) != undefined)
comment_stack.push(match.length);
return "comment";
},
regex : strPre + '\\-\\-\\[\\={5}\\=*\\[.*$',
merge : true,
next : "qcomment5"
},
// single line comments
{
token : "comment",
regex : "\\-\\-.*$"
},
// bracketed strings
{
token : "string", // [[ string
regex : strPre + '\\[\\[.*\\]\\]'
}, {
token : "string", // [=[ string
regex : strPre + '\\[\\=\\[.*\\]\\=\\]'
}, {
token : "string", // [==[ string
regex : strPre + '\\[\\={2}\\[.*\\]\\={2}\\]'
}, {
token : "string", // [===[ string
regex : strPre + '\\[\\={3}\\[.*\\]\\={3}\\]'
}, {
token : "string", // [====[ string
regex : strPre + '\\[\\={4}\\[.*\\]\\={4}\\]'
}, {
token : "string", // [====+[ string
regex : strPre + '\\[\\={5}\\=*\\[.*\\]\\={5}\\=*\\]'
},
// multiline bracketed strings
{
token : "string", // [[ string
regex : strPre + '\\[\\[.*$',
merge : true,
next : "qstring"
}, {
token : "string", // [=[ string
regex : strPre + '\\[\\=\\[.*$',
merge : true,
next : "qstring1"
}, {
token : "string", // [==[ string
regex : strPre + '\\[\\={2}\\[.*$',
merge : true,
next : "qstring2"
}, {
token : "string", // [===[ string
regex : strPre + '\\[\\={3}\\[.*$',
merge : true,
next : "qstring3"
}, {
token : "string", // [====[ string
regex : strPre + '\\[\\={4}\\[.*$',
merge : true,
next : "qstring4"
}, {
token : function(value){ // --[====+[ string
// WARNING: EXTREMELY SLOW, see above.
var pattern = /\[(\=+)\[/, match;
if ((match = pattern.exec(value)) != null && (match = match[1]) != undefined)
comment_stack.push(match.length);
return "string";
},
regex : strPre + '\\[\\={5}\\=*\\[.*$',
merge : true,
next : "qstring5"
},
{
token : "string", // " string
regex : strPre + '"(?:[^\\\\]|\\\\.)*?"'
}, {
token : "string", // ' string
regex : strPre + "'(?:[^\\\\]|\\\\.)*?'"
}, {
token : "constant.numeric", // float
regex : floatNumber
}, {
token : "constant.numeric", // integer
regex : integer + "\\b"
}, {
token : keywordMapper,
regex : "[a-zA-Z_$][a-zA-Z0-9_$]*\\b"
}, {
token : "keyword.operator",
regex : "\\+|\\-|\\*|\\/|%|\\#|\\^|~|<|>|<=|=>|==|~=|=|\\:|\\.\\.\\.|\\.\\."
}, {
token : "paren.lparen",
regex : "[\\[\\(\\{]"
}, {
token : "paren.rparen",
regex : "[\\]\\)\\}]"
}, {
token : "text",
regex : "\\s+"
} ],
"qcomment": [ {
token : "comment",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\]",
next : "start"
}, {
token : "comment",
merge : true,
regex : '.+'
} ],
"qcomment1": [ {
token : "comment",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\=\\]",
next : "start"
}, {
token : "comment",
merge : true,
regex : '.+'
} ],
"qcomment2": [ {
token : "comment",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={2}\\]",
next : "start"
}, {
token : "comment",
merge : true,
regex : '.+'
} ],
"qcomment3": [ {
token : "comment",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={3}\\]",
next : "start"
}, {
token : "comment",
merge : true,
regex : '.+'
} ],
"qcomment4": [ {
token : "comment",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={4}\\]",
next : "start"
}, {
token : "comment",
merge : true,
regex : '.+'
} ],
"qcomment5": [ {
token : function(value){
// very hackish, mutates the qcomment5 field on the fly.
var pattern = /\](\=+)\]/, rule = this.rules.qcomment5[0], match;
rule.next = "start";
if ((match = pattern.exec(value)) != null && (match = match[1]) != undefined){
var found = match.length, expected;
if ((expected = comment_stack.pop()) != found){
comment_stack.push(expected);
rule.next = "qcomment5";
}
}
return "comment";
},
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={5}\\=*\\]",
next : "start"
}, {
token : "comment",
merge : true,
regex : '.+'
} ],
"qstring": [ {
token : "string",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\]",
next : "start"
}, {
token : "string",
merge : true,
regex : '.+'
} ],
"qstring1": [ {
token : "string",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\=\\]",
next : "start"
}, {
token : "string",
merge : true,
regex : '.+'
} ],
"qstring2": [ {
token : "string",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={2}\\]",
next : "start"
}, {
token : "string",
merge : true,
regex : '.+'
} ],
"qstring3": [ {
token : "string",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={3}\\]",
next : "start"
}, {
token : "string",
merge : true,
regex : '.+'
} ],
"qstring4": [ {
token : "string",
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={4}\\]",
next : "start"
}, {
token : "string",
merge : true,
regex : '.+'
} ],
"qstring5": [ {
token : function(value){
// very hackish, mutates the qstring5 field on the fly.
var pattern = /\](\=+)\]/, rule = this.rules.qstring5[0], match;
rule.next = "start";
if ((match = pattern.exec(value)) != null && (match = match[1]) != undefined){
var found = match.length, expected;
if ((expected = comment_stack.pop()) != found){
comment_stack.push(expected);
rule.next = "qstring5";
}
}
return "string";
},
regex : "(?:[^\\\\]|\\\\.)*?\\]\\={5}\\=*\\]",
next : "start"
}, {
token : "string",
merge : true,
regex : '.+'
} ]
};
}
oop.inherits(LuaHighlightRules, TextHighlightRules);
exports.LuaHighlightRules = LuaHighlightRules;
});