renamed program to boot_space, as in object_space at boot time. thats the way its going

lib/ast/basic_expressions.rb

@@ -58,7 +58,7 @@ module Ast
 
     def compile context , into
       value = Vm::StringConstant.new(string)
-      context.program.add_object value 
+      context.object_space.add_object value 
       value
     end
     def attributes

lib/ast/call_site_expression.rb

@@ -8,7 +8,7 @@ module Ast
     end
     def compile context , into
       params = args.collect{ |a| a.compile(context, into) }
-      function = context.program.get_or_create_function(name)
+      function = context.object_space.get_or_create_function(name)
       raise "Forward declaration not implemented (#{name}) #{inspect}" if function == nil
       call = Vm::CallSite.new( name ,  params  , function)
       current_function = context.function

lib/ast/function_expression.rb

@@ -27,7 +27,7 @@ module Ast
         args << arg_value
       end
       function = Vm::Function.new(name , args )
-      context.program.add_function function
+      context.object_space.add_function function
 
       parent_locals = context.locals
       parent_function = context.function

lib/ast/module_expression.rb

@@ -15,6 +15,13 @@ module Ast
       [:name , :expressions]
     end
     def compile context , into
+      # create the class or module
+      # check if it'sa function definition and add
+      # if not, execute it, but that does means we should be in crystal (executable), not ruby. ie throw an error for now
+      clazz = context.object_space.get_or_create_class name
+      
+
+
       expression_value = expression.compile(context , into)
       puts "compiled return expression #{expression_value.inspect}, now return in 7"
       # copied from function expression: TODO make function

lib/core/array.rb

@@ -0,0 +1,36 @@
+# this is not a "normal" ruby file, ie it is not required by crystal
+# instead it is parsed by crystal to define part of the crystal that runs
+
+class BaseObject
+  
+  def _set_instance_variable(name , value)
+    
+  end
+  
+  def _get_instance_variable( name )
+    
+  end
+
+  def _get_singleton_method(name )
+    
+  end
+  def _add_singleton_method(method)
+    
+  end
+  def initialize
+  end
+end
+
+class Array < BaseObject
+  def initialize size
+    
+  end
+
+  def at(index)
+    
+  end
+  
+  def set(index , value)
+    
+  end
+end

lib/core/kernel.rb

@@ -35,10 +35,10 @@ module Core
       def putint context , arg = Vm::Integer
         putint_function = Vm::Function.new(:putint , [arg] , arg )
         buffer = Vm::StringConstant.new("           ") # create a buffer
-        context.program.add_object buffer              # and save it (function local variable: a no no)
+        context.object_space.add_object buffer              # and save it (function local variable: a no no)
         int = putint_function.args.first
         moved_int = putint_function.new_local
-        utoa = context.program.get_or_create_function(:utoa)
+        utoa = context.object_space.get_or_create_function(:utoa)
         b = putint_function.body
         b.mov( moved_int ,  int ) #move arg up
         #b.a       buffer  => int          # string to write to

lib/crystal.rb

@@ -4,6 +4,6 @@ require "elf/object_writer"
 require 'parser/crystal'
 require 'parser/transform'
 require "vm/register_machine"
-require "vm/program"
+require "vm/boot_space"
 require "stream_reader"
 require "core/kernel"

lib/elf/object_writer.rb

@@ -8,7 +8,7 @@ module Elf
   class ObjectWriter
     def initialize(program , target)
       @object = Elf::ObjectFile.new(target)
-      @program = program
+      @object_space = program
       sym_strtab = Elf::StringTableSection.new(".strtab")
       @object.add_section sym_strtab
       @symbol_table = Elf::SymbolTableSection.new(".symtab", sym_strtab)

lib/vm/boot_class.rb

@@ -0,0 +1,5 @@
+
+module Vm
+  class BootClass
+  end
+end

lib/vm/boot_space.rb

@@ -5,8 +5,8 @@ require "arm/arm_machine"
 require "core/kernel"
 
 module Vm
-  # A Program represents an executable that we want to build
-  # it has a list of functions and (global) objects
+  # The BootSpace is contains all objects for a program. In functional terms it is a program, but on oo
+  # it is a collection of objects, some of which are data, some classes, some functions
   
   # The main entry is a function called (of all things) "main", This _must be supplied by the compling
   # There is a start and exit block that call main, which receives an array of strings
@@ -18,7 +18,7 @@ module Vm
   
   # throwing in a context for unspecified use (well one is to pass the programm/globals around)
    
-  class Program < Code
+  class BootSpace < Code
     
     # Initialize with a string for cpu. Naming conventions are: for Machine XXX there exists a module XXX
     #  with a XXXMachine in it that derives from Vm::RegisterMachine
@@ -44,6 +44,7 @@ module Vm
     
     def add_object o
       return if @objects.include? o
+      raise "must be derived from Code #{o.inspect}" unless o.is_a? Code
       @objects << o # TODO check type , no basic values allowed (must be wrapped)
     end
     

lib/vm/context.rb

@@ -1,14 +1,14 @@
 require "support/hash_attributes"
 module Vm
   
-  #currently just holding the program in here so we can have global access
+  #currently just holding the object_space in here so we can have global access
   class Context
     # Make hash attributes to object attributes
     include Support::HashAttributes
     
-    def initialize program
+    def initialize object_space
       @attributes = {}
-      @attributes[:program] = program
+      @attributes[:object_space] = object_space
     end
     attr_reader :attributes
   end