scope.js

// var keyInfo = Scope.keyInfo(key),
		// 	parent,
		// 	propName;
		//
		// if(keyInfo.remainingKey === "this") {
		// 	// this prevents reading of observables
		// 	options.readCompute = false;
		// 	parent = this.readKeyInfo(keyInfo, options).value;
		// 	return { parent: parent, how: "setValue" };
		// }
		// else if(keyInfo.isContextBased) {
		// 	var props = keyInfo.remainingKey.split(".");
		// 	propName = props.pop();
		// 	keyInfo.remainingKey = props.join(".") || "this";
		// 	parent = this.readKeyInfo(keyInfo, options).value;
		// }
		// else {
		// 	// How should {{foo}} be treated?  We must look for a scope with a `foo` property ideally
		// 	// otherwise, we should default to the first
		// 	var props = keyInfo.remainingKey.split(".");
		// 	propName = props.pop();
		// 	if(props.length > 0) {
		// 		keyInfo.remainingKey = props.join(".") || "this";
		// 		parent = this.readKeyInfo(keyInfo, options).value;
		// 	} else {
		// 		// what we really need to do is check each context and find the one whose
		// 		// context has the key we are looking for
		// 		// We have to resolve each context and do a `.get` on it ...
		//
		//
		// 		// we need to get the `this` with the best odds, that's the variable or context
		// 		// with this key in it
		//
		// 		var keyReads = stacheKey.reads(propName);
		// 		var howToRead = {
		// 			shouldExit: Scope.makeShouldExitOnSecondNormalContext(),
		// 			shouldSkip: Scope.shouldSkipIfSpecial,
		// 			shouldLookForHelper: false,
		// 			read: function(context, keys){
		// 				if( canReflect.hasKey(context, keys[0].key ) ) {
		// 					return {
		// 						parent: context,
		// 						parentHasKey: true,
		// 						value: undefined
		// 					};
		// 				} else {
		// 					return {};
		// 				}
		// 			}
		// 		};
		// 		var walkResult = this._walk(keyReads, options, howToRead);
		// 		parent = walkResult.thisArg;
		// 		if(parent === undefined) {
		// 			parent = walkResult.firstSearchedContext
		// 		}
		// 	}
		// }