rubyx/lib/ast/return_expression.rb

21 lines
709 B
Ruby

module Ast
class ReturnExpression < Expression
# attr_reader :expression
def compile context , into
puts "compiling return expression #{expression}, now return in 7"
expression_value = expression.compile(context , into)
# copied from function expression: TODO make function
return_reg = Vm::Integer.new(7)
if expression_value.is_a?(Vm::IntegerConstant) or expression_value.is_a?(Vm::ObjectConstant)
return_reg.load into , expression_value
else
return_reg.move( into, expression_value ) if expression_value.register_symbol != return_reg.register_symbol
end
#function.set_return return_reg
return return_reg
end
end
end