lib/instructions/infrastructure.rb in nudge-0.1.3 vs lib/instructions/infrastructure.rb in nudge-0.2.0

@@ -26,10 +26,14 @@
   end
   
   class MissingInstructionError < RuntimeError
   end
   
+  class CodeOversizeError < ArgumentError
+  end
+  
+  
   def initialize(context)
     @context = context
   end
   
   
@@ -49,10 +53,13 @@
     return true
   end
   
   
   def pushes(stackName, literal)
+    if (stackName.to_s == "code") && (literal.value.length > self.context.code_char_limit)
+      raise(CodeOversizeError, ":code cannot have more than #{self.context.code_char_limit} chars")
+    end
     @context.stacks[stackName].push literal
   end
   
   
   def go
@@ -60,10 +67,10 @@
       self.setup
       self.derive
       self.cleanup
     end
   rescue NotEnoughStackItems, MissingInstructionError,
-    InstructionMethodError, NaNResultError, FloatDomainError => exc
+    InstructionMethodError, NaNResultError, FloatDomainError, CodeOversizeError => exc
     msg = ValuePoint.new("error", exc.message)
     pushes :error, msg
   end