28 lines
495 B
Ruby
28 lines
495 B
Ruby
require 'java'
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java_import java.lang.System
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java_import java.io.PrintStream
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module Vm
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module Builtins
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def add_builtins
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public_static_method 'print', [], int, int do
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iload 0
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getstatic System, :out, PrintStream
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swap
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invokevirtual PrintStream, :print, [void, int]
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ldc 0
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ireturn
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end
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public_static_method 'minus', [], int, int, int do
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iload 0
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iload 1
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isub
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ireturn
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end
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end
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end
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end
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