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#pragma once
#include <Parser.h>
#include <Token.h>
#include "actions/expression/ParseContext.h"
#include "actions/expression/Value.h"
namespace actions {
namespace expression {
namespace nodes {
class AbstractExpression {
public:
AbstractExpression(antlr4::Token* token);
virtual ~AbstractExpression();
virtual Value execute(const ProgramVariables& variables) const = 0;
virtual bool validate(antlr4::Parser* parser, const ParseContext& context) = 0;
virtual void validationDone();
ValueType getExpressionType() const;
antlr4::Token* getToken() const;
protected:
virtual ValueType determineReturnType() const = 0;
antlr4::Token* m_token = nullptr;
mutable ValueType m_cachedType = ValueType::Invalid;
};
} // namespace nodes
} // namespace expression
} // namespace actions
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