48 lines
1.4 KiB
Ruby
48 lines
1.4 KiB
Ruby
module Bosl
|
|
Compiler.class_eval do
|
|
# function attr_reader :name, :params, :body , :receiver
|
|
def on_function expression
|
|
# puts expression.inspect
|
|
return_type , name , parameters, kids , receiver = *expression
|
|
name = name.to_a.first
|
|
args = parameters.to_a.collect do |p|
|
|
raise "error, argument must be a identifier, not #{p}" unless p.type == :parameter
|
|
p[2]
|
|
end
|
|
|
|
if receiver
|
|
# compiler will always return slot. with known value or not
|
|
r = receiver.first
|
|
if( r.is_a? Parfait::Class )
|
|
class_name = r.value.name
|
|
else
|
|
if( r != :self)
|
|
raise "unimplemented case in function #{r}"
|
|
else
|
|
r = Virtual::Self.new()
|
|
class_name = method.for_class.name
|
|
end
|
|
end
|
|
else
|
|
r = Virtual::Self.new()
|
|
class_name = method.for_class.name
|
|
end
|
|
new_method = Virtual::MethodSource.create_method(class_name, name , args )
|
|
new_method.source.receiver = r
|
|
new_method.for_class.add_instance_method new_method
|
|
|
|
old_method = @method
|
|
@method = new_method
|
|
|
|
#frame = frame.new_frame
|
|
kids.to_a.each do |ex|
|
|
return_type = process(ex)
|
|
raise return_type.inspect if return_type.is_a? Virtual::Instruction
|
|
end
|
|
@method = old_method
|
|
new_method.source.return_type = return_type
|
|
Virtual::Return.new(return_type)
|
|
end
|
|
end
|
|
end
|