ion out last changes from grammar update

surprisingly painless, considering it was more or less a rewrite

lib/interpreter/interpreter.rb

@@ -183,8 +183,8 @@ module Interpreter
       left = get_register(@instruction.left)
       rr = @instruction.right
       right = get_register(rr)
-      case @instruction.operator
+      case @instruction.operator.to_s
-      when :add
+      when "add"
         result = left + right
       when "/"
         result = left / right
@@ -195,7 +195,7 @@ module Interpreter
       when "=="
         result = left == right
       else
-        raise "unimplemented  #{@instruction.operator} #{@instruction}"
+        raise "unimplemented  '#{@instruction.operator}' #{@instruction}"
       end
       puts "#{@instruction} == #{result}"
       right = set_register(rr , result)

lib/phisol/compiler/if_statement.rb

@@ -2,7 +2,7 @@ module Phisol
   Compiler.class_eval do
 #    if - attr_reader  :cond, :if_true, :if_false
 
-    def on_if statement
+    def on_if_statement statement
       condition , if_true , if_false = *statement
       condition = condition.first
       # to execute the logic as the if states it, the blocks are the other way around

lib/phisol/compiler/operator_value.rb

@@ -1,7 +1,7 @@
 module Phisol
   Compiler.class_eval do
 
-    def on_operator statement
+    def on_operator_value statement
       puts "operator #{statement.inspect}"
       operator , left_e , right_e = *statement
       left_slot = process(left_e)
@@ -22,7 +22,7 @@ module Phisol
       Virtual::Return.new(:int )
     end
 
-    def on_assign statement
+    def on_assignment statement
       puts statement.inspect
       name , value = *statement
       name = name.to_a.first

lib/phisol/compiler/while_statement.rb

@@ -1,7 +1,7 @@
 module Phisol
   Compiler.class_eval do
 
-    def on_while statement
+    def on_while_statement statement
       #puts statement.inspect
       condition , statements = *statement
       condition = condition.first

test/compiler/test_methods.rb

@@ -49,9 +49,9 @@ HERE
     def test_int_function
       @string_input    = <<HERE
 class Integer < Object
-int times(int x)
+  int times(int x)
-  self * x
+    return x
-end
+  end
 end
 HERE
       @output = [[Virtual::MethodEnter] , [Virtual::MethodReturn]]

test/fragments/test_class.rb

@@ -5,12 +5,10 @@ class TestBasicClass < MiniTest::Test
 
   def test_class_basic
     @string_input = <<HERE
-module Foo
+class Bar
-  class Bar
   int buh()
     return 1
   end
-  end
 end
 HERE
     @expect =  [ Virtual::Return ]

test/fragments/test_if.rb

@@ -9,9 +9,9 @@ class Object
   int main()
     int n = 10
     if( n < 12)
-      3
+      return 3
     else
-      4
+      return 4
     end
   end
 end

test/interpreter/test_puti.rb

@@ -30,7 +30,8 @@ class Integer < Object
     int rest
     rest = self - div
     if( rest < 0)
-      str = str + digit( rest )
+      rest = self.digit( rest )
+      str = str + rest
     else
       str = div.add_string(str)
     end