Class: DivNode

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(lef, right) ⇒ DivNode

Returns a new instance of DivNode.



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# File 'lib/ast.rb', line 87

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

Instance Method Details

#evaluate ⇒ Object 



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# File 'lib/ast.rb', line 90

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

#ewe ⇒ Object 



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# File 'lib/ast.rb', line 94

def ewe()
  iniciaDN = "       sp := sp + tres \n"
  medioDN = "\n       sp := sp - tres \n     tmp := M[sp + 3] \n"
  medioDN+="       M[sp + 1] := tmp \n     sp := sp + tres \n"
  finDN = "\n       sp := sp - tres \n     tmp := M[sp + 3] \n"
  finDN+="       M[sp + 2] := tmp \n       tmp := M[sp + 1] \n"
  finDN+="       tmp2 := M[sp + 2] \n     tmp := tmp / tmp2 \n"
  finDN+="       M[sp + 0] := tmp \n"
  div = iniciaDN + @left.ewe() +medioDN + @right.ewe() + finDN 
  return div
end