43 lines
1.1 KiB
Ruby
43 lines
1.1 KiB
Ruby
module Sol
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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_slot(compiler)
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parts = name.to_s.split("_")
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class_name = "SlotMachine::#{parts.collect{|s| s.capitalize}.join}"
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# Hmm, slightly open issue how to pass args from sol to macro
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# WIP, hack for comparison
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args = arguments.collect {|arg|
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case arg
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when Sol::SymbolConstant
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arg.value
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when Sol::IntegerConstant
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arg.value
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when Sol::LocalVariable
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arg.name
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else
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puts "unhandled #{arg}:#{arg.class}"
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arg
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end
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}
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eval(class_name).new( self , *args)
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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_slotted(_)
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SlotMachine::Slotted.for(: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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