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scaffold for instance variable get implementation

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This commit is contained in:
Torsten Ruger 2014-08-23 10:59:35 +03:00
parent 0fcb1c8f68
commit a63e37fc50
7 changed files with 27 additions and 7 deletions
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2
lib/ast/basic_expressions.rb
View File

@ -98,7 +98,7 @@ module Ast
class VariableExpression < NameExpression
def compile method , message
method.add_code Virtual::ObjectGet.new(name)
method.add_code Virtual::InstanceGet.new(name)
Virtual::Return.new( Virtual::Mystery )
end
end

1
lib/boot/boot_space.rb
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@ -3,7 +3,6 @@ require_relative "boot_class"
require "kernel/all"
require_relative "object"
require_relative "string"
require "virtual/send_implementation"
module Boot
# The BootSpace contains all objects for a program. In functional terms it is a program, but in oo

14
lib/virtual/get_implementation.rb Normal file
View File

@ -0,0 +1,14 @@
module Virtual
# This implements the send logic
# Send is so complicated that we actually code it in ruby and stick it in
# That off course opens up an endless loop possibility that we stop by reducing to Class and Module methods
class GetImplementation
def run block
block.codes.dup.each do |code|
next unless code.is_a? InstanceGet
raise "Start coding"
end
end
end
Object.space.add_pass_after GetImplementation, SendImplementation
end

10
lib/virtual/instruction.rb
View File

@ -83,7 +83,9 @@ module Virtual
end
# class for Set instructions, A set is basically a mem move.
# to and from are indexes into the known objects(frame,message,self and new_message), or from may be a constant
# to and from are indexes into the known objects(frame,message,self and new_message), these are represented as slots
# (see there)
# from may be a Constant (Object,Integer,String,Class)
class Set < Instruction
def initialize to , from
@to = to
@ -91,8 +93,10 @@ module Virtual
end
attr_reader :to , :from
end
class ObjectGet < Instruction
# Get a instance variable by _name_ . So we have to resolve the name to an index to trnsform 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

4
lib/virtual/machine.rb
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@ -83,4 +83,6 @@ require_relative "value"
require_relative "type"
require_relative "object"
require_relative "constants"
require "boot/boot_space"
require "boot/boot_space"
require_relative "send_implementation"
require_relative "get_implementation"

1
lib/virtual/send_implementation.rb
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@ -26,3 +26,4 @@ module Virtual
end
end
end
require_relative "get_implementation"

2
test/virtual/test_methods.rb
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@ -30,7 +30,7 @@ def String.length(x)
@length
end
HERE
@output = "---RETURN_MARKER- &7 !ruby/object:Virtual::MethodDefinitionRETURN_MARKER name: :lengthRETURN_MARKER args:RETURN_MARKER - :xRETURN_MARKER locals: []RETURN_MARKER tmps: []RETURN_MARKER receiver: &6 !ruby/object:Boot::BootClassRETURN_MARKER method_definitions:RETURN_MARKER - &2 !ruby/object:Virtual::MethodDefinitionRETURN_MARKER name: :getRETURN_MARKER args:RETURN_MARKER - &1 !ruby/class 'Virtual::Integer'RETURN_MARKER locals: []RETURN_MARKER tmps: []RETURN_MARKER receiver: *1RETURN_MARKER return_type: *1RETURN_MARKER blocks:RETURN_MARKER - &3 !ruby/object:Virtual::BlockRETURN_MARKER method: *2RETURN_MARKER name: :getRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodEnter {}RETURN_MARKER - !ruby/object:Virtual::BlockRETURN_MARKER method: *2RETURN_MARKER name: :get_returnRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodReturn {}RETURN_MARKER current: *3RETURN_MARKER - &4 !ruby/object:Virtual::MethodDefinitionRETURN_MARKER name: :setRETURN_MARKER args:RETURN_MARKER - *1RETURN_MARKER - *1RETURN_MARKER locals: []RETURN_MARKER tmps: []RETURN_MARKER receiver: *1RETURN_MARKER return_type: *1RETURN_MARKER blocks:RETURN_MARKER - &5 !ruby/object:Virtual::BlockRETURN_MARKER method: *4RETURN_MARKER name: :setRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodEnter {}RETURN_MARKER - !ruby/object:Virtual::BlockRETURN_MARKER method: *4RETURN_MARKER name: :set_returnRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodReturn {}RETURN_MARKER current: *5RETURN_MARKER name: :StringRETURN_MARKER super_class_name: :ObjectRETURN_MARKER meta_class: !ruby/object:Boot::MetaClassRETURN_MARKER functions: []RETURN_MARKER me_self: *6RETURN_MARKER return_type: !ruby/object:Virtual::ReturnRETURN_MARKER index: 0RETURN_MARKER type: !ruby/class 'Virtual::Mystery'RETURN_MARKER blocks:RETURN_MARKER - &8 !ruby/object:Virtual::BlockRETURN_MARKER method: *7RETURN_MARKER name: :lengthRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodEnter {}RETURN_MARKER - !ruby/object:Virtual::ObjectGetRETURN_MARKER name: :lengthRETURN_MARKER - !ruby/object:Virtual::BlockRETURN_MARKER method: *7RETURN_MARKER name: :length_returnRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodReturn {}RETURN_MARKER current: *8RETURN_MARKER"
@output = "---RETURN_MARKER- &7 !ruby/object:Virtual::MethodDefinitionRETURN_MARKER name: :lengthRETURN_MARKER args:RETURN_MARKER - :xRETURN_MARKER locals: []RETURN_MARKER tmps: []RETURN_MARKER receiver: &6 !ruby/object:Boot::BootClassRETURN_MARKER method_definitions:RETURN_MARKER - &2 !ruby/object:Virtual::MethodDefinitionRETURN_MARKER name: :getRETURN_MARKER args:RETURN_MARKER - &1 !ruby/class 'Virtual::Integer'RETURN_MARKER locals: []RETURN_MARKER tmps: []RETURN_MARKER receiver: *1RETURN_MARKER return_type: *1RETURN_MARKER blocks:RETURN_MARKER - &3 !ruby/object:Virtual::BlockRETURN_MARKER method: *2RETURN_MARKER name: :getRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodEnter {}RETURN_MARKER - !ruby/object:Virtual::BlockRETURN_MARKER method: *2RETURN_MARKER name: :get_returnRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodReturn {}RETURN_MARKER current: *3RETURN_MARKER - &4 !ruby/object:Virtual::MethodDefinitionRETURN_MARKER name: :setRETURN_MARKER args:RETURN_MARKER - *1RETURN_MARKER - *1RETURN_MARKER locals: []RETURN_MARKER tmps: []RETURN_MARKER receiver: *1RETURN_MARKER return_type: *1RETURN_MARKER blocks:RETURN_MARKER - &5 !ruby/object:Virtual::BlockRETURN_MARKER method: *4RETURN_MARKER name: :setRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodEnter {}RETURN_MARKER - !ruby/object:Virtual::BlockRETURN_MARKER method: *4RETURN_MARKER name: :set_returnRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodReturn {}RETURN_MARKER current: *5RETURN_MARKER name: :StringRETURN_MARKER super_class_name: :ObjectRETURN_MARKER meta_class: !ruby/object:Boot::MetaClassRETURN_MARKER functions: []RETURN_MARKER me_self: *6RETURN_MARKER return_type: !ruby/object:Virtual::ReturnRETURN_MARKER index: 0RETURN_MARKER type: !ruby/class 'Virtual::Mystery'RETURN_MARKER blocks:RETURN_MARKER - &8 !ruby/object:Virtual::BlockRETURN_MARKER method: *7RETURN_MARKER name: :lengthRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodEnter {}RETURN_MARKER - !ruby/object:Virtual::InstanceGetRETURN_MARKER name: :lengthRETURN_MARKER - !ruby/object:Virtual::BlockRETURN_MARKER method: *7RETURN_MARKER name: :length_returnRETURN_MARKER branch: RETURN_MARKER codes:RETURN_MARKER - !ruby/object:Virtual::MethodReturn {}RETURN_MARKER current: *8RETURN_MARKER"
check
end