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#ifndef AST_EXPRESSION_HPP
#define AST_EXPRESSION_HPP
#include "node.hpp"
#include <memory>
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 int32_t getPostfixStackPosition(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 m_id;
public:
Identifier(const std::string& id);
virtual VariableStackBindings printasm(VariableStackBindings bindings) const;
virtual int32_t getPostfixStackPosition(VariableStackBindings bindings) const;
};
class Constant : public Expression
{
private:
int32_t m_constant;
public:
Constant(const int32_t& constant);
virtual VariableStackBindings printasm(VariableStackBindings bindings) const;
};
#endif
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