rubyx/lib/soml/compiler/name_expression.rb
Torsten Ruger 9ebe28450b add global variable space
could in the long run move spaces functionality to the class
and since the class is global anyway, wouldn’t need this
2015-11-07 12:19:04 +02:00

41 lines
1.5 KiB
Ruby

module Soml
Compiler.class_eval do
# attr_reader :name
# compiling name needs to check if it's a variable and if so resolve it
# otherwise it's a method without args and a send is issued.
# whichever way this goes the result is stored in the return slot (as all compiles)
def on_name statement
name = statement.to_a.first
if( name == :self)
ret = use_reg @clazz.name
add_code Register.get_slot(statement , :message , :receiver , ret )
return ret
end
if(name == :space)
space = Parfait::Space.object_space
reg = use_reg :Space , space
add_code Register::LoadConstant.new( statement, space , reg )
return reg
end
# either an argument, so it's stored in message
if( index = @method.has_arg(name))
ret = use_reg @method.arguments[index].type
add_code Register.get_slot(statement , :message , Parfait::Message.get_indexed(index), ret )
return ret
else # or a local so it is in the frame
index = @method.has_local( name )
if(index)
frame = use_reg :Frame
add_code Register.get_slot(statement , :message , :frame , frame )
ret = use_reg @method.locals[index].type
add_code Register.get_slot(statement , frame , Parfait::Frame.get_indexed(index), ret )
return ret
end
end
raise "must define variable #{name} before using it"
end
end #module
end