Class: CodeExecuteThenPopInstruction
Instance Attribute Summary
Attributes inherited from Instruction
#context
Instance Method Summary
collapse
Methods inherited from Instruction
all_instructions, #go, inherited, #initialize, #needs, #pushes, to_nudgecode
Constructor Details
This class inherits a constructor from Instruction
Instance Method Details
#cleanup ⇒ Object
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# File 'lib/instructions/code/code_execute_then_pop.rb', line 17
def cleanup
pushes :exec, @result
end
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#derive ⇒ Object
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# File 'lib/instructions/code/code_execute_then_pop.rb', line 9
def derive
that_becomes = NudgeProgram.new(@arg)
if that_becomes.parses?
@result = CodeblockPoint.new([NudgeProgram.new(@arg).linked_code,InstructionPoint.new("code_pop")])
else
@result = CodeblockPoint.new([InstructionPoint.new("code_pop")])
end
end
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#preconditions? ⇒ Boolean
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# File 'lib/instructions/code/code_execute_then_pop.rb', line 2
def preconditions?
needs CodePopInstruction
needs :code, 1
end
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#setup ⇒ Object
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# File 'lib/instructions/code/code_execute_then_pop.rb', line 6
def setup
@arg = @context.peek_value(:code) end
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