Fix cross_calculator example

examples/cross_calculator/nim_commandline/nim.cfg

@@ -1,4 +1,4 @@
 # Nimrod configuration file.
 # The file is used only to add the path of the backend to the compiler options.
 
-path="../nimrod_backend"
+path="../nim_backend"

examples/cross_calculator/nim_commandline/nimcalculator.nim

@@ -21,7 +21,7 @@ type
     cmdParams,          # Two valid parameters were provided
     cmdInteractive      # No parameters were provided, run interactive mode
 
-  TParamConfig = object of TObject
+  TParamConfig = object of RootObj
     action: TCommand      # store the type of operation
     paramA, paramB: int   # possibly store the valid parameters
 
@@ -63,7 +63,7 @@ proc parseCmdLine(): TParamConfig =
           stdout.write USAGE
           quit "Unexpected option: " & key, 2
       of cmdEnd: break
-  except EInvalidValue:
+  except ValueError:
     stdout.write USAGE
     quit "Invalid value " & val &  " for parameter " & key, 3
 
@@ -85,7 +85,7 @@ proc parseUserInput(question: string): int =
     try:
       result = input.parseInt
       break
-    except EInvalidValue:
+    except ValueError:
       if input.len < 1: quit "Blank line detected, quitting.", 0
       echo "Sorry, `$1' doesn't seem to be a valid integer" % input
 

examples/cross_calculator/nim_commandline/readme.txt

@@ -1,10 +1,10 @@
-In this directory you will find the nimrod commandline version of the
+In this directory you will find the nim commandline version of the
 cross-calculator sample.
 
 The commandline interface can be used non interactively through switches, or
 interactively when running the command without parameters.
 
 Compilation is fairly easy despite having the source split in different
-directories. Thanks to the nimrod.cfg file, which adds the ../nimrod_backend
+directories. Thanks to the nim.cfg file, which adds the ../nim_backend
 directory as a search path, you can compile and run the example just fine from
-the command line with 'nimrod c -r nimcalculator.nim'.
+the command line with 'nim c -r nimcalculator.nim'.