From e9fc8ac6aa13c9b832277ff80e6243a5ead9098e Mon Sep 17 00:00:00 2001
From: Torsten Ruger <torsten@villataika.fi>
Date: Tue, 10 Jun 2014 18:51:27 +0300
Subject: [PATCH] making the third arg of block init explicit (not optional)

---
 lib/vm/block.rb      | 4 +++-
 lib/vm/boot_space.rb | 6 +++---
 lib/vm/function.rb   | 2 +-
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/lib/vm/block.rb b/lib/vm/block.rb
index 73f09b77..1946ba08 100644
--- a/lib/vm/block.rb
+++ b/lib/vm/block.rb
@@ -20,7 +20,7 @@ module Vm
   
   class Block < Code
 
-    def initialize(name , function , next_block = nil)
+    def initialize(name , function , next_block )
       super()
       @function = function
       @name = name.to_sym
@@ -138,12 +138,14 @@ module Vm
     end
 
     private
+    # helper for determining reachable blocks 
     def add_next ret
       return if @next.nil?
       return if ret.include? @next
       ret << @next
       ret + @next.reachable
     end
+    # helper for determining reachable blocks 
     def add_branch ret
       return if @branch.nil?
       return if ret.include? @branch
diff --git a/lib/vm/boot_space.rb b/lib/vm/boot_space.rb
index 3418ab41..7a6c1aa2 100644
--- a/lib/vm/boot_space.rb
+++ b/lib/vm/boot_space.rb
@@ -33,10 +33,10 @@ module Vm
       @context.current_class = get_or_create_class :Object
       #global objects (data)
       @objects = []
-      @entry = Core::Kernel::main_start  Vm::Block.new("main_entry",nil)
+      @entry = Core::Kernel::main_start  Vm::Block.new("main_entry",nil,nil)
       #main gets executed between entry and exit
-      @main = Block.new("main",nil)
-      @exit = Core::Kernel::main_exit Vm::Block.new("main_exit",nil)
+      @main = Block.new("main",nil,nil)
+      @exit = Core::Kernel::main_exit Vm::Block.new("main_exit",nil,nil)
       boot_classes
     end
     attr_reader :context , :main , :classes , :entry , :exit
diff --git a/lib/vm/function.rb b/lib/vm/function.rb
index ac90d488..5ddbf129 100644
--- a/lib/vm/function.rb
+++ b/lib/vm/function.rb
@@ -48,7 +48,7 @@ module Vm
         end
       end
       set_return return_type
-      @exit =  Core::Kernel::function_exit( Vm::Block.new("exit" , self) , name )
+      @exit =  Core::Kernel::function_exit( Vm::Block.new("exit" , self , nil) , name )
       @return =  Block.new("return", self , @exit)
       @body =  Block.new("body", self , @return)
       @entry = Core::Kernel::function_entry( Vm::Block.new("entry" , self , @body) ,name )