Fix #5691 (#15158)

* Fix #5691
* Cleanup and thoughts
* Use scope approach
* Seperate defined/declared/declaredInScope magics
* Fix declaredInScope
* Update spec accordingly

tests/macros/tmacros_various.nim

@@ -22,6 +22,7 @@ a[1]: 45
 x: some string
 ([("key", "val"), ("keyB", "2")], [("val", "key"), ("2", "keyB")])
 ([("key", "val"), ("keyB", "2")], [("val", "key"), ("2", "keyB")])
+0
 '''
 """
 
@@ -222,3 +223,17 @@ block getImplTransformed:
   doAssert "toExpand" notin code
     # template is expanded (but that would already be the case with
     # `a.getImpl.repr`, unlike the other transformations mentioned above
+
+
+# test macro resemming
+macro makeVar(): untyped =
+  quote:
+    var tensorY {.inject.}: int
+
+macro noop(a: typed): untyped =
+  a
+
+noop:
+  makeVar
+echo tensorY
+