import FrontCalculatorParserToken from "./front.calculator.parser.token"; import FrontCalculatorSymbolNumber from "../symbol/front.calculator.symbol.number"; import FrontCalculatorSymbolOpeningBracket from "../symbol/brackets/front.calculator.symbol.opening.bracket"; import FrontCalculatorSymbolClosingBracket from "../symbol/brackets/front.calculator.symbol.closing.bracket"; import FrontCalculatorSymbolFunctionAbstract from "../symbol/abstract/front.calculator.symbol.function.abstract"; import FrontCalculatorSymbolOperatorAbstract from "../symbol/abstract/front.calculator.symbol.operator.abstract"; import FrontCalculatorSymbolSeparator from "../symbol/front.calculator.symbol.separator"; import FrontCalculatorParserNodeSymbol from "./node/front.calculator.parser.node.symbol"; import FrontCalculatorParserNodeContainer from "./node/front.calculator.parser.node.container"; import FrontCalculatorParserNodeFunction from "./node/front.calculator.parser.node.function"; /** * The parsers has one important method: parse() * It takes an array of tokens as input and * returns an array of nodes as output. * These nodes are the syntax tree of the term. * */ export default class FrontCalculatorParser { /** * * @param {FrontCalculatorSymbolLoader} symbolLoader */ constructor(symbolLoader) { /** * * @type {FrontCalculatorSymbolLoader} */ this.symbolLoader = symbolLoader; } /** * Parses an array with tokens. Returns an array of nodes. * These nodes define a syntax tree. * * @param {FrontCalculatorParserToken[]} tokens * * @returns FrontCalculatorParserNodeContainer */ parse(tokens) { var symbolNodes = this.detectSymbols(tokens); var nodes = this.createTreeByBrackets(symbolNodes); nodes = this.transformTreeByFunctions(nodes); this.checkGrammar(nodes); // Wrap the nodes in an array node. return new FrontCalculatorParserNodeContainer(nodes); } /** * Creates a flat array of symbol nodes from tokens. * * @param {FrontCalculatorParserToken[]} tokens * @returns {FrontCalculatorParserNodeSymbol[]} */ detectSymbols(tokens) { var symbolNodes = []; var symbol = null; var identifier = null; var expectingOpeningBracket = false; // True if we expect an opening bracket (after a function name) var openBracketCounter = 0; for (var i = 0; i < tokens.length; i++) { var token = tokens[i]; var type = token.type; if (FrontCalculatorParserToken.TYPE_WORD === type) { identifier = token.value; symbol = this.symbolLoader.find(identifier); if (null === symbol) { throw ('Error: Detected unknown or invalid string identifier: ' + identifier + '.'); } } else if (type === FrontCalculatorParserToken.TYPE_NUMBER) { // Notice: Numbers do not have an identifier var symbolNumbers = this.symbolLoader.findSubTypes(FrontCalculatorSymbolNumber); if (symbolNumbers.length < 1 || !(symbolNumbers instanceof Array)) { throw ('Error: Unavailable number symbol processor.'); } symbol = symbolNumbers[0]; } else {// Type Token::TYPE_CHARACTER: identifier = token.value; symbol = this.symbolLoader.find(identifier); if (null === symbol) { throw ('Error: Detected unknown or invalid string identifier: ' + identifier + '.'); } if (symbol instanceof FrontCalculatorSymbolOpeningBracket) { openBracketCounter++; } if (symbol instanceof FrontCalculatorSymbolClosingBracket) { openBracketCounter--; // Make sure there are not too many closing brackets if (openBracketCounter < 0) { throw ('Error: Found closing bracket that does not have an opening bracket.'); } } } if (expectingOpeningBracket) { if (!(symbol instanceof FrontCalculatorSymbolOpeningBracket)) { throw ('Error: Expected opening bracket (after a function) but got something else.'); } expectingOpeningBracket = false; } else { if (symbol instanceof FrontCalculatorSymbolFunctionAbstract) { expectingOpeningBracket = true; } } var symbolNode = new FrontCalculatorParserNodeSymbol(token, symbol); symbolNodes.push(symbolNode); } // Make sure the term does not end with the name of a function but without an opening bracket if (expectingOpeningBracket) { throw ('Error: Expected opening bracket (after a function) but reached the end of the term'); } // Make sure there are not too many opening brackets if (openBracketCounter > 0) { throw ('Error: There is at least one opening bracket that does not have a closing bracket'); } return symbolNodes; } /** * Expects a flat array of symbol nodes and (if possible) transforms * it to a tree of nodes. Cares for brackets. * Attention: Expects valid brackets! * Check the brackets before you call this method. * * @param {FrontCalculatorParserNodeSymbol[]} symbolNodes * @returns {FrontCalculatorParserNodeAbstract[]} */ createTreeByBrackets(symbolNodes) { var tree = []; var nodesInBracket = []; // AbstractSymbol nodes inside level-0-brackets var openBracketCounter = 0; for (var i = 0; i < symbolNodes.length; i++) { var symbolNode = symbolNodes[i]; if (!(symbolNode instanceof FrontCalculatorParserNodeSymbol)) { throw ('Error: Expected symbol node, but got "' + symbolNode.constructor.name + '"'); } if (symbolNode.symbol instanceof FrontCalculatorSymbolOpeningBracket) { openBracketCounter++; if (openBracketCounter > 1) { nodesInBracket.push(symbolNode); } } else if (symbolNode.symbol instanceof FrontCalculatorSymbolClosingBracket) { openBracketCounter--; // Found a closing bracket on level 0 if (0 === openBracketCounter) { var subTree = this.createTreeByBrackets(nodesInBracket); // Subtree can be empty for example if the term looks like this: "()" or "functioname()" // But this is okay, we need to allow this so we can call functions without a parameter tree.push(new FrontCalculatorParserNodeContainer(subTree)); nodesInBracket = []; } else { nodesInBracket.push(symbolNode); } } else { if (0 === openBracketCounter) { tree.push(symbolNode); } else { nodesInBracket.push(symbolNode); } } } return tree; } /** * Replaces [a SymbolNode that has a symbol of type AbstractFunction, * followed by a node of type ContainerNode] by a FunctionNode. * Expects the $nodes not including any function nodes (yet). * * @param {FrontCalculatorParserNodeAbstract[]} nodes * * @returns {FrontCalculatorParserNodeAbstract[]} */ transformTreeByFunctions(nodes) { var transformedNodes = []; var functionSymbolNode = null; for (var i = 0; i < nodes.length; i++) { var node = nodes[i]; if (node instanceof FrontCalculatorParserNodeContainer) { var transformedChildNodes = this.transformTreeByFunctions(node.childNodes); if (null !== functionSymbolNode) { var functionNode = new FrontCalculatorParserNodeFunction(transformedChildNodes, functionSymbolNode); transformedNodes.push(functionNode); functionSymbolNode = null; } else { // not a function node.childNodes = transformedChildNodes; transformedNodes.push(node); } } else if (node instanceof FrontCalculatorParserNodeSymbol) { var symbol = node.symbol; if (symbol instanceof FrontCalculatorSymbolFunctionAbstract) { functionSymbolNode = node; } else { transformedNodes.push(node); } } else { throw ('Error: Expected array node or symbol node, got "' + node.constructor.name + '"'); } } return transformedNodes; } /** * Ensures the tree follows the grammar rules for terms * * @param {FrontCalculatorParserNodeAbstract[]} nodes */ checkGrammar(nodes) { // TODO Make sure that separators are only in the child nodes of the array node of a function node // (If this happens the calculator will throw an exception) for (var i = 0; i < nodes.length; i++) { var node = nodes[i]; if (node instanceof FrontCalculatorParserNodeSymbol) { var symbol = node.symbol; if (symbol instanceof FrontCalculatorSymbolOperatorAbstract) { var posOfRightOperand = i + 1; // Make sure the operator is positioned left of a (potential) operand (=prefix notation). // Example term: "-1" if (posOfRightOperand >= nodes.length) { throw ('Error: Found operator that does not stand before an operand.'); } var posOfLeftOperand = i - 1; var leftOperand = null; // Operator is unary if positioned at the beginning of a term if (posOfLeftOperand >= 0) { leftOperand = nodes[posOfLeftOperand]; if (leftOperand instanceof FrontCalculatorParserNodeSymbol) { if (leftOperand.symbol instanceof FrontCalculatorSymbolOperatorAbstract // example 1`+-`5 : + = operator, - = unary || leftOperand.symbol instanceof FrontCalculatorSymbolSeparator // example func(1`,-`5) ,= separator, - = unary ) { // Operator is unary if positioned right to another operator leftOperand = null; } } } // If null, the operator is unary if (null === leftOperand) { if (!symbol.operatesUnary) { throw ('Error: Found operator in unary notation that is not unary.'); } // Remember that this node represents a unary operator node.setIsUnaryOperator(true); } else { if (!symbol.operatesBinary) { console.log(symbol); throw ('Error: Found operator in binary notation that is not binary.'); } } } } else { this.checkGrammar(node.childNodes); } } } }.tx-content-switcher-toggle-switch-label{position:relative;display:inline-block;width:60px;height:34px}.tx-content-switcher-toggle-switch-label input{opacity:0;width:0;height:0}.tx-content-switcher-toggle-switch-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#ccc;-webkit-transition:.4s;transition:.4s;display:block;border-style:solid}.tx-content-switcher-toggle-switch-slider:before{position:absolute;content:"";height:26px;width:26px;left:0;top:50%;transform:translateY(-50%);background-color:#fff;-webkit-transition:.4s;transition:.4s}input:checked+.tx-content-switcher-toggle-switch-slider{background-color:#2196f3}input:focus+.tx-content-switcher-toggle-switch-slider{box-shadow:0 0 1px #2196f3}input:checked+.tx-content-switcher-toggle-switch-slider:before{-webkit-transform:translate(34px,-50%);-ms-transform:translate(34px,-50%);transform:translate(34px,-50%)}.tx-content-switcher-toggle-inner{display:flex;align-items:center;flex-direction:row;padding:30px 0}.tx-content-switcher-toggle.tx_switecher_left{justify-content:flex-start;display:flex}.tx-content-switcher-toggle.tx_switecher_center{justify-content:center;display:flex}.tx-content-switcher-toggle.tx_switecher_right{justify-content:flex-end;display:flex}.tx-content-switcher-toggle.tx_switecher_justify{display:block}.tx-content-switcher-toggle.tx_switecher_justify .tx-content-switcher-toggle-inner{justify-content:center}.tx-content-switcher-toggle-label-1,.tx-content-switcher-toggle-label-2{cursor:pointer} First Date Tips - Where To Take An Adult Girl - Beyond Years - Make My Asset: Premier Gurgaon Real Estate Consultants - Luxury Apartments, Commercial Properties, And Exclusive Listings In Prime Locations
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First Date Tips – Where To Take An Adult Girl – Beyond Years

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While very first conference an older woman it is vital to have various solid first date tips prepared. While we mentioned inside our previous article on
ideas on how to go from a call to a primary time
my favorite & most profitable first date is a short products or coffee time. Beverages or coffee is the perfect very first in-person date for several explanations:


How come drinks or coffee from the basic go out:

  • It’s straightforward
  • It’s hard to express “no” to
  • Its low priced
  • If things are heading you can proceed to another area conveniently
  • If things are heading badly it is possible to conclude it and proceed effortlessly

Essentially, products or coffee times supply plenty of freedom with very little devotion from you. You’re not committing to investing several hours with some body you barely know, however they are nevertheless getting to know them much more. This can be additionally a good chance to place your self into the place of the one ensuring she is suitable for you personally and not others means around.

If you find yourself nonetheless undergoing wanting some body fantastic do not forget to check both
our favorite locations to generally meet single earlier ladies
also
the most effective web sites and programs to generally meet earlier ladies
.

Here is a solid guide for producing basic time tactics also preparing and executing a good first coffee or beverages big date:

Initially Date Tips – Java or Drinks Date





Choose the right area



Whenever brainstorming basic time some ideas you intend to get a hold of a location with the right atmosphere and electricity for an enjoyable talk. For products, a lounge with comfy seating and a quite enough environment to know one another fine is ideal. Pubs typically lack an excellent environment for a
more close conversation
and certainly will end up being very loud.

For coffee, a separately had restaurant with comfortable chairs is perfect. Chain coffee houses like Starbucks are usually a lot lighter much less personal a setting.

Additionally you need to choose a location that features most various other fun or fascinating factors to check out not far from. In the event the talk is going you want the option to immediately expand the coffee day into a lengthier experience. Preparing in advance this way enables one end up being “natural” and transition to another fun spot with ease.


812755820 older man younger woman




Cannot select a pricey location



Many older women online dating more youthful guys are perhaps not expecting to be spoiled by them. If they wanted to have loads of money spent in it they’d dating older men with cash to burn. You likely shall be unable to match that level of spending while won’t need to.
The younger males matchmaking older women
have a great amount of non-financial advantages currently.

Try to get a location containing slightly course, personality, and closeness over an expensive destination. Especially on a primary day you never really know what you are actually getting yourself in to. You won’t want to fork out a lot cash on an adult females if you do not have any idea she actually is worth it however. Providing you cannot go also inexpensive on the basic go out ideas (a cup of coffee at Dunkin’ Donuts) you will end up fine.





Ask this lady in which she’ll be originating from



The earlier lady you may be online dating would be so much more prepared to commit to a primary date as well as show up any time you choose an area that’s fun and

CONVENIENT

on her behalf. You ought not risk emerge and directly state “what will be your address?” you would you like to at the least know very well what the main urban area or area she’ll end up being coming type.

When thinking of very first day ideas you should select a location that will be convenient for of allows you the flexibility to either meet the girl during the location, grab her, or have the woman meet at the spot very first following set off. All three of the possibilities have their own benefits and can depend on exacltly what the targets and methods when it comes down to date are going to be.





Choose a location in which you would be comfortable



Picking out a listing of first day suggestions for spots you have never gone to or would feel out-of-place in is a waste of time. You are almost certainly to attract a cougar if you find yourself calm and having fun. Which probably to happen if you are in a spot where you’re comfortable as well as simplicity. In that way, it’s possible to have a
great basic date discussion
.

The entire purpose of a first date is to find away if you find yourself interested in the older lady you may be with and generate appeal. Your own conversation is certain to be much better along with your self-confidence greater if you should be in somewhere where you feel yourself. This is certainly as long as you can prevent the
subjects do not explore on a night out together with an adult woman
.





Have actually a backup program



Before you ask the actual cougar you are interested in be sure you have actually a number of different alternatives ready to go. You never know
what you are able expect on an initial day with a mature girl
. This is why having a number of first date some ideas is really so essential. You intend to have the ability to offer different a few ideas if the original plan actually planning exercise. Possibly she does not drink, possibly the woman is allergic to coffee,  possibly the woman ex-boyfriend is a bartender at the preliminary option. Performing just a little extra preparation from the outset can pay off big in the future.

The worst instance situation is you have initial dates prepared for any other females you’ll end up meeting in the foreseeable future.

Men with an agenda who can be impulsive and enjoyable is exactly whatever man you intend to be removed since. Having a number of basic day some ideas will help much in this regard.

These five recommendations for brainstorming first go out tips should place you in outstanding spot when deciding on a first go out location! This may even help make your go out amenable to
going on a second big date
.

If you are nonetheless looking for earlier females up to now examine our

Best On The Web Cougar Dating Sites Review

to find the best spots to take action. There are a lot of scam sites online that you would like to avoid which can be difficult spot. You will also get a hold of
Cougar Existence
product reviews,Match.com reviews, and
eHarmony
reviews for many most thinking about internet dating more mature females.

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