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