added support for '${name}' (#308)

Author: AlexHaxe

src/checkstyle/checks/coding/UnusedLocalVarCheck.hx

@@ -90,8 +90,8 @@ class UnusedLocalVarCheck extends Check {
 			return FOUND_GO_DEEPER;
 		}
 
-		// '${name.doSomething()} or ${doSomething(name)}
-		format = "\\$\\{(|.*[^_0-9a-zA-Z])" + name + "([^_0-9a-zA-Z].*)\\}";
+		// '${name.doSomething()} or ${doSomething(name)} or ${name}
+		format = "\\$\\{(|.*[^_0-9a-zA-Z])" + name + "([^_0-9a-zA-Z].*|)\\}";
 		r = new EReg(format, "");
 		if (r.match(s)) {
 			return FOUND_GO_DEEPER;

test/checks/coding/UnusedLocalVarCheckTest.hx

@@ -65,10 +65,12 @@ abstract UnusedLocalVarCheckTests(String) to String {
 			var index:Int;
 			var index2:Array<Int>;
 			var index3:String;
+			var index4:String;
 
 			trace ('$index');
 			trace ('${index2.toString()}');
 			trace ('${Std.parseInt(index3)}');
+			trace ('${index4}');
 		}
 	}";
 
@@ -81,6 +83,7 @@ abstract UnusedLocalVarCheckTests(String) to String {
 			trace ('$index2');
 			trace ('${index2.toString()}');
 			trace ('${Std.parseInt(index3)}');
+			trace ('${index4}');
 		}
 	}";
 }