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/* PIA - Lenguajes Modernos de Programación
* FACULTAD DE CIENCIAS FÍSICO MATEMÁTICAS
* Luis Sebastián Martínez Vega - LCC */
#ifndef SIMPLIFIER_H
#define SIMPLIFIER_H
#include "expressions.hpp"
class Simplifier {
private:
void simplifyChildren(Expression *root, Expression **left, Expression **right) const;
Expression *ruleEval(Expression *expr) const;
Expression *ruleMultiplyByOne(MultiplicationExpression *expr) const;
Expression *ruleDivideByOne(DivisionExpression *expr) const;
Expression *ruleMultiplyByZero(MultiplicationExpression *expr) const;
Expression *ruleZeroDivision(DivisionExpression *expr) const;
Expression *ruleOnePower(PowerExpression *expr) const;
Expression *ruleZeroPower(PowerExpression *expr) const;
Expression *addSubstractZero(Expression *expr) const;
public:
Expression *visit(Variable *expr) const;
Expression *visit(Literal *expr) const;
Expression *visit(Function *expr) const;
Expression *visit(NegationExpression *expr) const;
Expression *visit(AddExpression *expr) const;
Expression *visit(SubExpression *expr) const;
Expression *visit(MultiplicationExpression *expr) const;
Expression *visit(DivisionExpression *expr) const;
Expression *visit(PowerExpression *expr) const;
};
Expression *simplify(Expression *to_simplify);
#endif /* SIMPLIFIER_H */
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