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When a continue or break statement is executed it pushes an interrupt to a stack in context. If any non-handled interrupts are present blocks will cease to execute. The for loop can handle the most recent interrupt in the stack.
18 lines
447 B
Ruby
18 lines
447 B
Ruby
module Liquid
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# An interrupt is any command that breaks processing of a block (ex: a for loop).
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class Interrupt
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attr_reader :message
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def initialize(message=nil)
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@message = message || "interrupt"
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end
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end
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# Interrupt that is thrown whenever a {% break %} is called.
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class BreakInterrupt < Interrupt; end
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# Interrupt that is thrown whenever a {% continue %} is called.
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class ContinueInterrupt < Interrupt; end
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end
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