Torsten Rüger
b9bdc55059
I call it macro because it lets you insert basically arbitrary risc code into the ruby level. The way it works: Reserve namespace X map any X.some_call to a Mom instruction by the name SomeCall which must take the same args in constructor as given And obviously produce whatever risc it wants Hoping to rewrite builtin around this idea (with the existing Mom builtn instructions)
28 lines
718 B
Ruby
28 lines
718 B
Ruby
module Vool
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class MacroExpression < CallStatement
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def initialize(name , arguments )
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super(name , SelfExpression.new , arguments)
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end
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def to_mom(compiler)
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parts = name.to_s.split("_")
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class_name = "Mom::#{parts.collect{|s| s.capitalize}.join}"
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eval(class_name).new( self , *arguments)
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end
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# When used as right hand side, this tells what data to move to get the result into
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# a varaible. It is (off course) the return value of the message
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def to_slot(_)
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Mom::SlotDefinition.new(:message ,[ :return_value])
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end
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def to_s(depth = 0)
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sen = "X.#{name}(#{@arguments.collect{|a| a.to_s}.join(', ')})"
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at_depth(depth , sen)
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end
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end
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end
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