Class: AddNode

Inherits:
BinaryNode show all
Defined in:
lib/ast.rb

Instance Attribute Summary

Attributes inherited from BinaryNode

#left, #right

Instance Method Summary collapse

Constructor Details

#initialize(left, right) ⇒ AddNode

Returns a new instance of AddNode.



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# File 'lib/ast.rb', line 21

def initialize(left, right)
  super(left,right)
end

Instance Method Details

#evaluate ⇒ Object 



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# File 'lib/ast.rb', line 25

def evaluate() 
  return @left.evaluate() + @right.evaluate()
end

#ewe ⇒ Object 



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# File 'lib/ast.rb', line 29

def ewe()
  iniciaAN = "       sp := sp + tres \n"
  medioAN = "\n       sp := sp - tres \n      tmp := M[sp + 3] \n"
  medioAN = medioAN + "      M[sp + 1] := tmp \n       sp := sp + tres \n"
  finAN ="\n       sp := sp - tres \n       tmp := M[sp + 3] \n"
  finAN = finAN + "       M[sp + 2] := tmp \n       tmp := M[sp + 1] \n"
  finAN = finAN + "       tmp2 := M[sp + 2] \n       tmp := tmp + tmp2 \n"
  finAN = finAN + "       M[sp + 0] := tmp  \n"
  suma = iniciaAN + @left.ewe() + medioAN + @right.ewe() + finAN 
  return suma
end