273 SwitchStatement::SwitchStatement(const std::string& expression)  in SwitchStatement()  argument
274     : switch_expression_(expression) {}  in SwitchStatement()
332 IfStatement::IfStatement(AstNode* expression, bool invert_expression)  in IfStatement()  argument
333     : expression_(expression),  in IfStatement()
348 Statement::Statement(unique_ptr<AstNode> expression)  in Statement()  argument
349     : expression_(std::move(expression)) {}  in Statement()
351 Statement::Statement(AstNode* expression) : expression_(expression) {}  in Statement()  argument
353 Statement::Statement(const string& expression)  in Statement()  argument
354     : expression_(new LiteralExpression(expression)) {}  in Statement()
374 LiteralExpression::LiteralExpression(const std::string& expression)  in LiteralExpression()  argument
375     : expression_(expression) {}  in LiteralExpression()