Class: ExecIfInstruction

Inherits:
Instruction show all
Includes:
IfInstruction
Defined in:
lib/instructions/exec/exec_if.rb

Overview

pops the top 2 items of the :exec stack, and one :bool; returns the top :exec item if the :bool is false, the second one if true

needs: 2 :exec, 1 :bool

pushes: 1 :exec

Instance Attribute Summary

Attributes included from IfInstruction

#target_stack

Attributes inherited from Instruction

#context

Instance Method Summary collapse

Methods included from IfInstruction

#cleanup, #derive, #preconditions?, #setup

Methods inherited from Instruction

all_instructions, #cleanup, #derive, #go, inherited, #needs, #preconditions?, #pushes, #setup, to_nudgecode

Constructor Details

#initialize(context) ⇒ ExecIfInstruction

Returns a new instance of ExecIfInstruction.



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# File 'lib/instructions/exec/exec_if.rb', line 13

def initialize(context)
  super(context, :exec)
end