16 lines
678 B
Ruby
16 lines
678 B
Ruby
module Vm
|
|
module OperatorExpression
|
|
|
|
def on_OperatorExpression statement
|
|
# operator , left_e , right_e = *statement
|
|
# left and right must be expressions. Expressions return a register when compiled
|
|
left_reg = process(statement.left_expression)
|
|
right_reg = process(statement.right_expression)
|
|
raise "Not register #{left_reg}" unless left_reg.is_a?(Register::RegisterValue)
|
|
raise "Not register #{right_reg}" unless right_reg.is_a?(Register::RegisterValue)
|
|
add_code Register::OperatorInstruction.new(statement,statement.operator,left_reg,right_reg)
|
|
return left_reg # though this has wrong value attached
|
|
end
|
|
end
|
|
end
|