rubyx/lib/vm/conversion.rb
2014-05-03 15:13:44 +03:00

26 lines
796 B
Ruby

module Vm
# Convert ast to vm-values via visitor pattern
# We do this (what would otherwise seem like foot-shuffling) to keep the layers seperated
# Ie towards the feature goal of reusing the same parse for several binary outputs
# scope of the funcitons is thus class scope ie self is the expression and all attributes work
# gets included into Value
module Conversion
def to_value
cl_name = self.class.name.to_s.split("::").last.gsub("Expression","").downcase
send "#{cl_name}_value"
end
def funcall_value
FunctionCall.new( name , args.collect{ |a| a.to_value } )
end
def string_value
ObjectReference.new( string )
end
end
end
require_relative "../parser/nodes"
Parser::Expression.class_eval do
include Vm::Conversion
end