fix: handle recursive MemberExpressions

Signed-off-by: Snehil Shah <snehilshah.989@gmail.com>

Author: Snehil-Shah

lib/node_modules/@stdlib/repl/lib/tokenizer.js

@@ -264,8 +264,10 @@ function tokenizer( line, context ) {
 	*
 	* @private
 	* @param {Object} node - AST node
+	* @param {boolean} compute - boolean indicating whether to compute the `MemberExpression`
+	* @returns {void|*} computed value of the `MemberExpression` if compute is true
 	*/
-	function resolveMemberExpression( node ) {
+	function resolveMemberExpression( node, compute ) {
 		var properties = linkedList();
 		var property;
 		var locals;
@@ -293,7 +295,6 @@ function tokenizer( line, context ) {
 		if ( contains( locals, property.value.name ) ) {
 			return;
 		}
-
 		// Enter object's namespace:
 		obj = context;
 		properties = properties.iterator();
@@ -315,13 +316,17 @@ function tokenizer( line, context ) {
 				property = properties.next();
 				continue;
 			}
-			// Case: `foo.bar`:
+			// Case: `foo.bar` - resolve property and push it as a token...
 			if ( property.value.type === 'Identifier' ) {
 				obj = obj[ property.value.name ];
 				if ( !obj ) {
 					// Property not found in context:
 					break;
 				}
+				if ( compute ) {
+					property = properties.next();
+					continue;
+				}
 				// Push token if property exists in context:
 				if ( isLiteralType( typeof obj ) ) {
 					tokens.push({
@@ -341,8 +346,21 @@ function tokenizer( line, context ) {
 				property = properties.next();
 				continue;
 			}
+			// Case: `foo[a.b].bar` - recursively compute the internal `MemberExpression`...
+			if ( property.value.type === 'MemberExpression' ) {
+				obj = obj[ resolveMemberExpression( property.value, true ) ];
+				if ( !obj ) {
+					// Property not found in context:
+					break;
+				}
+				property = properties.next();
+				continue;
+			}
 			break;
 		}
+		if ( compute ) {
+			return obj;
+		}
 
 		/**
 		* Resolves members of the `MemberExpression` node.

lib/node_modules/@stdlib/repl/test/integration/fixtures/syntax-highlighting/member_expressions.json

@@ -1,9 +1,9 @@
 {
-  "expression": "var foo = { 'bar': { 'func': function() { return true; } } };\nfoo['bar'].func()",
-  "expected": "\u001b[31mfoo\u001b[0m[\u001b[32m'bar'\u001b[0m].\u001b[33mfunc\u001b[0m()",
+  "expression": "var a = { 'b': 'bar' }; var foo = { 'bar': { 'func': function() { return true; } } };\nfoo[a.b].func()",
+  "expected": "\u001b[31mfoo\u001b[0m[\u001b[31ma\u001b[0m.\u001b[32mb\u001b[0m].\u001b[33mfunc\u001b[0m()",
   "theme": {
     "object": "red",
     "function": "yellow",
-    "string": "green"
+    "variable": "green"
   }
 }