26 lines
1023 B
Ruby
26 lines
1023 B
Ruby
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module Virtual
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module Compiler
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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 self.compile_name expression , method
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return Self.new( Reference.new(method.for_class)) if expression.name == :self
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name = expression.name.to_sym
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if method.has_var(name)
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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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method.source.add_code Set.new( MessageSlot.new(expression.name) , Return.new)
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else # or a local so it is in the frame
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method.source.add_code FrameGet.new(expression.name , index)
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end
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else
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call = Ast::CallSiteExpression.new(expression.name , [] ) #receiver self is implicit
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Compiler.compile(call, method)
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end
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end
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end #module
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end
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