text: /**
  * @file src/llvmir2hll/ir/bit_xor_op_expr.cpp
  * @brief Implementation of BitXorOpExpr.
  * @copyright (c) 2017 Avast Software, licensed under the MIT license
  */
  
  #include "retdec/llvmir2hll/ir/bit_xor_op_expr.h"
  #include "retdec/llvmir2hll/support/debug.h"
  #include "retdec/llvmir2hll/support/visitor.h"
  
  namespace retdec {
  namespace llvmir2hll {
  
  /**
  * @brief Constructs a bit-xor operator.
  *
  * See create() for more information.
  */
  BitXorOpExpr::BitXorOpExpr(ShPtr<Expression> op1, ShPtr<Expression> op2):
  	BinaryOpExpr(op1, op2) {}
  
  bool BitXorOpExpr::isEqualTo(ShPtr<Value> otherValue) const {
  	if (ShPtr<BitXorOpExpr> otherValueBitXorOpExpr = cast<BitXorOpExpr>(otherValue)) {
  		return op1->isEqualTo(otherValueBitXorOpExpr->getFirstOperand()) &&
  			op2->isEqualTo(otherValueBitXorOpExpr->getSecondOperand());
  	}
  	return false;
  }
  
  ShPtr<Value> BitXorOpExpr::clone() {
  	ShPtr<BitXorOpExpr> bitXorOpExpr(BitXorOpExpr::create(
  		ucast<Expression>(op1->clone()), ucast<Expression>(op2->clone())));
  	bitXorOpExpr->setMetadata(getMetadata());
  	return bitXorOpExpr;
  }
  
  /**
  * @brief Creates a new bit-xor operator.
  *
  * @param[in] op1 First operand.
  * @param[in] op2 Second operand.
  *
  * @par Preconditions
  *  - both operands are non-null
  */
  ShPtr<BitXorOpExpr> BitXorOpExpr::create(ShPtr<Expression> op1, ShPtr<Expression> op2) {
  	PRECONDITION_NON_NULL(op1);
  	PRECONDITION_NON_NULL(op2);
  
  	ShPtr<BitXorOpExpr> expr(new BitXorOpExpr(op1, op2));
  
  	// Initialization (recall that shared_from_this() cannot be called in a
  	// constructor).
  	op1->addObserver(expr);
  	op2->addObserver(expr);
  
  	return expr;
  }
  
  void BitXorOpExpr::accept(Visitor *v) {
  	v->visit(ucast<BitXorOpExpr>(shared_from_this()));
  }
  
  } // namespace llvmir2hll
  } // namespace retdec
  