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