Fixed jumping back from more than 1 indented block

examples/classes.spoon

@@ -5,15 +5,17 @@ class Point2d
     @x : Int = x
     @y : Int = y
 
-  to-string = : String -> "Point2d: x=#{@x}, y=#{@y}"
+  to-string = : String ->
+    "Point2d: x=#{@x}, y=#{@y}"
 
 class Point3d < Point2d
   new = (x : Int, y : Int, z : Int) : Void ->
     super x, y
     @z : Int = z
 
   \override
-  to-string = : String -> "Point3d: x=#{@x}, y=#{@y}, z=#{@z}"
+  to-string = : String ->
+    "Point3d: x=#{@x}, y=#{@y}, z=#{@z}"
 
 point2d = Point2d(100, 200)
 trace point2d.to-string!

examples/draw.spoon

@@ -2,9 +2,9 @@
 
 import js.Browser.document
 
-@graphic = [["color":"f68712","path":[["x":45,"y":12],["x":12,"y":45],["x":45,"y":78],["x":78,"y":45],["x":45,"y":12]]],["color":"fab20b","path":[["x":2,"y":1],["x":45,"y":12],["x":12,"y":45],["x":2,"y":1]]],["color":"f89c0e","path":[["x":2,"y":89],["x":12,"y":45],["x":45,"y":78],["x":2,"y":89]]],["color":"f47216","path":[["x":89,"y":1],["x":78,"y":45],["x":45,"y":12],["x":89,"y":1]]],["color":"f25c19","path":[["x":89,"y":89],["x":45,"y":78],["x":78,"y":45],["x":89,"y":89]]],["color":"fbc707","path":[["x":45,"y":12],["x":2,"y":1],["x":23,"y":1],["x":45,"y":12]]],["color":"fbc707","path":[["x":45,"y":12],["x":89,"y":1],["x":67,"y":1],["x":45,"y":12]]],["color":"f68712","path":[["x":45,"y":78],["x":89,"y":89],["x":67,"y":89],["x":45,"y":78]]],["color":"f25c19","path":[["x":45,"y":78],["x":2,"y":89],["x":23,"y":89],["x":45,"y":78]]],["color":"fff200","path":[["x":12,"y":45],["x":2,"y":89],["x":2,"y":67],["x":12,"y":45]]],["color":"fff200","path":[["x":12,"y":45],["x":2,"y":1],["x":2,"y":23],["x":12,"y":45]]],["color":"f1471d","path":[["x":78,"y":45],["x":89,"y":89],["x":89,"y":67],["x":78,"y":45]]],["color":"f1471d","path":[["x":78,"y":45],["x":89,"y":1],["x":89,"y":23],["x":78,"y":45]]]]
+graphic = [["color":"f68712","path":[["x":45,"y":12],["x":12,"y":45],["x":45,"y":78],["x":78,"y":45],["x":45,"y":12]]],["color":"fab20b","path":[["x":2,"y":1],["x":45,"y":12],["x":12,"y":45],["x":2,"y":1]]],["color":"f89c0e","path":[["x":2,"y":89],["x":12,"y":45],["x":45,"y":78],["x":2,"y":89]]],["color":"f47216","path":[["x":89,"y":1],["x":78,"y":45],["x":45,"y":12],["x":89,"y":1]]],["color":"f25c19","path":[["x":89,"y":89],["x":45,"y":78],["x":78,"y":45],["x":89,"y":89]]],["color":"fbc707","path":[["x":45,"y":12],["x":2,"y":1],["x":23,"y":1],["x":45,"y":12]]],["color":"fbc707","path":[["x":45,"y":12],["x":89,"y":1],["x":67,"y":1],["x":45,"y":12]]],["color":"f68712","path":[["x":45,"y":78],["x":89,"y":89],["x":67,"y":89],["x":45,"y":78]]],["color":"f25c19","path":[["x":45,"y":78],["x":2,"y":89],["x":23,"y":89],["x":45,"y":78]]],["color":"fff200","path":[["x":12,"y":45],["x":2,"y":89],["x":2,"y":67],["x":12,"y":45]]],["color":"fff200","path":[["x":12,"y":45],["x":2,"y":1],["x":2,"y":23],["x":12,"y":45]]],["color":"f1471d","path":[["x":78,"y":45],["x":89,"y":89],["x":89,"y":67],["x":78,"y":45]]],["color":"f1471d","path":[["x":78,"y":45],["x":89,"y":1],["x":89,"y":23],["x":78,"y":45]]]]
 
-@draw = ->
+draw = ->
   canvas = document.create-canvas-element!
   canvas.width = 400
   canvas.height = 400

lib/spoon/util/indent_parser.rb

@@ -27,7 +27,9 @@ def check_indentation(source)
           @prev_stack.push @last
           @stack.push @current
         elsif @current < @last
-          @stack.pop
+          while @current != @stack[@stack.length - 1] && !@stack.empty?
+            @stack.pop
+          end
         end
 
         AlwaysMatch.new