coming together, more and more each day

lib/ast/function_expression.rb

@@ -27,12 +27,13 @@ module Ast
         args << arg_value
       end
       function = Vm::Function.new(name , args )
+      context.program.add_function function
+
       parent_locals = context.locals
       parent_function = context.function
       context.locals = locals
       context.function = function
 
-      context.program.add_function function
       into = function.entry
       block.each do |b|
         compiled = b.compile(context , into)

lib/ast/operator_expressions.rb

@@ -5,14 +5,16 @@ module Ast
   class FuncallExpression < Expression
     attr_reader  :name, :args
     def initialize name, args
-      @name , @args = name , args
+      @name , @args = name.to_sym , args
     end
     def compile context , into
       params = args.collect{ |a| a.compile(context, into) }
-      fun = Vm::FunctionCall.new( name ,  params )
-      fun.load_args into
-      fun.do_call into
-      fun
+      function = context.program.get_or_create_function(name)
+      raise "Forward declaration not implemented (#{name}) #{inspect}" if function == nil
+      call = Vm::FunctionCall.new( name ,  params  , function)
+      call.load_args into
+      call.do_call into
+      call
     end
     
     def inspect