Parser context object

@param {Object} options
function (options) {
	this.astStack = new ASTStack();
	this.tags = options.customTags;
	this.raw = '';
	this.disableParseTag = false;
	this.line = 1;
	this.lineStart = 0;
	this.position = 0;
	this.parseTagStack = [];
	this.forItems = [];
	this.tablerowItems = [];
	this.forItems.test = this.tablerowItems.test = function (name) {
		var name = name.split('.')[0];
		return this.indexOf(name) === -1 ? false : true;
	};
}