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#ifndef EXPRESSION_HPP
#define EXPRESSION_HPP
#include "node.hpp"
#include "bindings.hpp"
#include <cstdint>
#include <memory>
#include <string>
class Expression;
typedef std::shared_ptr<Expression> ExpressionPtr;
class Expression : public Node
{
public:
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const = 0;
virtual void print() const;
virtual void printXml() const;
virtual int postfixStackPosition(VariableStackBindings bindings) const;
};
class OperationExpression : public Expression
{
protected:
ExpressionPtr lhs_;
ExpressionPtr rhs_;
public:
OperationExpression(Expression* lhs, Expression* rhs);
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const = 0;
};
class AssignmentExpression : public OperationExpression
{
public:
AssignmentExpression(Expression* lhs, Expression* rhs);
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const;
};
class AdditiveExpression : public OperationExpression
{
private:
std::string operation_;
public:
AdditiveExpression(Expression* lhs, const std::string& operation, Expression* rhs);
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const;
};
class MultiplicativeExpression : public OperationExpression
{
private:
std::string operation_;
public:
MultiplicativeExpression(Expression* lhs, const std::string& operation, Expression* rhs);
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const;
};
class Identifier : public Expression
{
private:
std::string id_;
public:
Identifier(const std::string& id);
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const;
virtual int postfixStackPosition(VariableStackBindings bindings) const;
};
class Constant : public Expression
{
private:
int32_t constant_;
public:
Constant(const int32_t& constant);
virtual VariableStackBindings printAsm(VariableStackBindings bindings) const;
};
#endif
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