some binary code tests
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@ -1,18 +1,18 @@
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# A typed method object is a description of the method, it's name etc
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#
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# But the code that the method represents, the binary, is held as an array
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# in one of these.
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#
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module Parfait
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# A typed method object is a description of the method, it's name etc
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#
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# But the code that the method represents, the binary, is held as an array
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# in these. As Objects are fixed size (this one 16 words), we use linked list
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# and as the last code of each link is a jump to the next link.
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#
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class BinaryCode < Data16
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attr_accessor :next
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attr_reader :next
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def initialize(total_size)
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super()
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if total_size > self.data_length
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@next = BinaryCode.new(total_size - data_length)
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@next = BinaryCode.new(total_size - data_length - 1) #one for the jump
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end
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#puts "Init with #{total_size} for #{object_id}"
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end
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@ -22,18 +22,18 @@ module Parfait
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def data_length
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14
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end
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def char_length
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def byte_length
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4*data_length
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end
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def set_char(c , index)
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if index >= char_length
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def set_char(index , char)
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if index >= byte_length
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puts "Pass it on #{index} for #{object_id}"
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return @next.set_char( c , index - char_length)
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return @next.set_char( char , index - byte_length)
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end
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word_index = (index - 1) / 4 + 2
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old = get_internal_word( word_index )
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old = old && c << ((index-1)%4)
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set_internal_word(word_index , c)
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old = old && char << ((index-1)%4)
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set_internal_word(word_index , char)
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end
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def total_byte_length(start = 0 )
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start += 4*14
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51
test/parfait/test_binary_code.rb
Normal file
51
test/parfait/test_binary_code.rb
Normal file
@ -0,0 +1,51 @@
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require_relative "../helper"
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module Parfait
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class TestBinaryCode < MiniTest::Test
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def setup
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Risc.machine.boot
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@code = BinaryCode.new(10)
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end
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def test_class
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assert_equal :BinaryCode, @code.get_type.object_class.name
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end
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def test_var_names
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assert_equal List , @code.get_instance_variables.class
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end
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def test_var_names_length
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assert_equal 2 , @code.get_instance_variables.get_length
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end
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def test_var_next
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assert_equal :next , @code.get_instance_variables[2]
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end
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def test_next_nil
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assert_nil @code.next
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end
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def test_data_length
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assert_equal 14 , @code.data_length
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end
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def test_byte_length
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assert_equal 14*4 , @code.byte_length
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end
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def test_next_not_nil
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@code = BinaryCode.new(16)
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assert @code.next
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assert_nil @code.next.next
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end
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def test_set_char1
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assert @code.set_char(1 , 1)
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end
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def test_set_char55
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assert @code.set_char(55 , 1)
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end
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def test_set_char56_raises
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assert_raises {@code.set_char(56 , 1)}
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end
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def test_set_char56_double
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@code = BinaryCode.new(16)
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assert @code.set_char(56 , 1)
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end
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end
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end
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@ -1,27 +1,32 @@
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require_relative "../helper"
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class TestNamedLists < MiniTest::Test
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module Parfait
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class TestNamedLists < MiniTest::Test
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def setup
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Risc.machine.boot
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@space = Parfait.object_space
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@named_list = @space.first_message.frame
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@type = @named_list.get_type
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end
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def setup
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Risc.machine.boot
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@space = Parfait.object_space
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@named_list = @space.first_message.frame
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@type = @named_list.get_type
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end
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def test_named_list_get_type
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assert_equal Parfait::Type , @type.class
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assert @type.names
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assert @named_list.get_instance_variables
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end
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def test_named_list_get_type
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assert_equal Type , @type.class
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assert @type.names
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assert @named_list.get_instance_variables
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end
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def test_new
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list = Parfait::NamedList.new
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assert list.get_type
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end
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def test_var_names
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list = Parfait::NamedList.new
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assert list.get_instance_variables
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def test_new
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list = NamedList.new
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assert list.get_type
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end
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def test_var_names
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list = NamedList.new
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assert_equal List , list.get_instance_variables.class
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end
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def test_var_names_length
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list = NamedList.new
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assert_equal 1 , list.get_instance_variables.get_length
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end
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end
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end
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