Adds skMethod example to idetools api test.

tests/caas/idetools_api.nim

@@ -21,3 +21,23 @@ type
 
 proc adder(a, b: int): int =
   result = a + b
+
+type
+  PExpr = ref object of TObject ## abstract base class for an expression
+  PLiteral = ref object of PExpr
+    x: int
+  PPlusExpr = ref object of PExpr
+    a, b: PExpr
+
+# watch out: 'eval' relies on dynamic binding
+method eval(e: PExpr): int =
+  # override this base method
+  quit "to override!"
+
+method eval(e: PLiteral): int = e.x
+method eval(e: PPlusExpr): int = eval(e.a) + eval(e.b)
+
+proc newLit(x: int): PLiteral = PLiteral(x: x)
+proc newPlus(a, b: PExpr): PPlusExpr = PPlusExpr(a: a, b: b)
+
+echo eval(newPlus(newPlus(newLit(1), newLit(2)), newLit(4)))

tests/caas/idetools_api.txt

@@ -39,3 +39,6 @@ def\tskResult\tidetools_api.adder.result\tint
 
 # ProcRun mode will fail the next line, because the type is returned empty.
 def\tskField\tidetools_api.TPerson.name\tbad_string\t
+
+> idetools --track:idetools_api.nim,43,7 --def
+def\tskMethod\tidetools_api.eval\tproc \(PPlusExpr\): int\t