rubyx/lib/sol/variables.rb
Torsten Rüger 24d7fe25da first steps to defining specialised slot classes
getting rid of the mess in SlotDefinition (wip)
2020-02-10 18:36:21 +07:00

68 lines
1.3 KiB
Ruby

module Sol
module Named
attr_reader :name
def initialize name
@name = name
end
def each(&block)
end
end
class LocalVariable < Expression
include Named
def to_slot_definition(compiler)
slot_def = compiler.slot_type_for(@name)
SlotMachine::SlotDefinition.for(:message , slot_def)
end
def to_s(depth = 0)
name.to_s
end
def each(&block)
block.call(self)
end
end
class InstanceVariable < Expression
include Named
def to_slot_definition(_)
SlotMachine::SlotDefinition.for(:message , [ :receiver , @name] )
end
# used to collect type information
def add_ivar( array )
array << @name
end
def to_s(depth = 0)
at_depth(depth , "@#{name}")
end
def each(&block)
block.call(self)
end
end
class ClassVariable < Expression
include Named
def each(&block)
block.call(self)
end
end
class ModuleName < Expression
include Named
def ct_type
get_named_class.single_class.instance_type
end
def to_slot_definition(_)
return SlotMachine::SlotDefinition.for( get_named_class, [])
end
def get_named_class
Parfait.object_space.get_class_by_name(self.name)
end
def each(&block)
block.call(self)
end
def to_s
@name.to_s
end
end
end