From 8642207158264987b5ca7218382bd5de331c53ae Mon Sep 17 00:00:00 2001
From: Torsten Ruger <torsten@villataika.fi>
Date: Sat, 10 Oct 2015 11:17:04 +0300
Subject: [PATCH] remove instance_get instruction

---
 lib/virtual.rb                           |  1 -
 lib/virtual/instruction.rb               |  1 -
 lib/virtual/instructions/instance_get.rb | 13 -------------
 lib/virtual/machine.rb                   |  2 +-
 lib/virtual/passes/get_implementation.rb | 16 ----------------
 5 files changed, 1 insertion(+), 32 deletions(-)
 delete mode 100644 lib/virtual/instructions/instance_get.rb
 delete mode 100644 lib/virtual/passes/get_implementation.rb

diff --git a/lib/virtual.rb b/lib/virtual.rb
index dffac792..5bc91cd5 100644
--- a/lib/virtual.rb
+++ b/lib/virtual.rb
@@ -13,7 +13,6 @@ require "virtual/type"
 # the passes _are_ order dependant
 require "virtual/passes/minimizer"
 require "virtual/passes/collector"
-require "virtual/passes/get_implementation"
 require "virtual/passes/enter_implementation"
 require "virtual/passes/set_optimisation"
 
diff --git a/lib/virtual/instruction.rb b/lib/virtual/instruction.rb
index 640ed3e8..e311c7d1 100644
--- a/lib/virtual/instruction.rb
+++ b/lib/virtual/instruction.rb
@@ -14,7 +14,6 @@ module Virtual
 end
 
 require_relative "instructions/halt"
-require_relative "instructions/instance_get"
 require_relative "instructions/method_call"
 require_relative "instructions/method_enter"
 require_relative "instructions/method_return"
diff --git a/lib/virtual/instructions/instance_get.rb b/lib/virtual/instructions/instance_get.rb
deleted file mode 100644
index cf843c14..00000000
--- a/lib/virtual/instructions/instance_get.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module Virtual
-
-  # Get a instance variable by _name_ . So we have to resolve the name to an index to
-  # transform into a Slot
-  # The slot may the be used in a set on left or right hand.
-  # The transformation is done by GetImplementation
-  class InstanceGet < Instruction
-    def initialize name
-      @name = name.to_sym
-    end
-    attr_reader :name
-  end
-end
diff --git a/lib/virtual/machine.rb b/lib/virtual/machine.rb
index 35c82bbc..cc2f8229 100644
--- a/lib/virtual/machine.rb
+++ b/lib/virtual/machine.rb
@@ -36,7 +36,7 @@ module Virtual
 
   class Machine
 
-    FIRST_PASS = "Virtual::GetImplementation"
+    FIRST_PASS = "Virtual::EnterImplementation"
     LAST_PASS = "Virtual::SetOptimisation"
 
     def initialize
diff --git a/lib/virtual/passes/get_implementation.rb b/lib/virtual/passes/get_implementation.rb
deleted file mode 100644
index b53d8e95..00000000
--- a/lib/virtual/passes/get_implementation.rb
+++ /dev/null
@@ -1,16 +0,0 @@
-module Virtual
-  # This implements instance variable get (not the opposite of Set,
-  #   such a thing does not exists, their slots)
-
-  # Ivar get needs to acces the layout, find the index of the name,
-  #  and shuffle the data to return register
-  # In short it's so complicated we implement it in ruby and stick the implementation here
-  class GetImplementation
-    def run block
-      block.codes.dup.each do |code|
-        next unless code.is_a? Virtual::InstanceGet
-        raise "Start coding"
-      end
-    end
-  end
-end