UnaryExpression

class UnaryExpression

Expression node representing a unary operation.

DEFINITION

class UnaryExpression;

constructor UnaryExpression

Create a unary expression.

DEFINITION

UnaryExpression	(	const Location & location,
		Expression::UnaryOperation operation,
		Expression operand	);

PARAMETER	DESCRIPTION
`location`	The location of the expression in the source code.
`operation`	The unary operation.
`operand`	The operand of the unary operation.

method collect_objectsconstvirtual

DEFINITION

virtual void collect_objects

(

std::unordered_set< Object * > & objects

) const;

PARAMETER	DESCRIPTION
`objects`

method createstatic

DEFINITION

static Expression create	(	const Location & location,
		Expression::UnaryOperation operation,
		Expression operand	);

PARAMETER	DESCRIPTION
`location`
`operation`
`operand`

RETURNS	DESCRIPTION
`Expression`

method evaluatedconstvirtual

DEFINITION

virtual std::optional< Expression > evaluated

(

const EvaluationContext & context

) const;

PARAMETER	DESCRIPTION
`context`

RETURNS	DESCRIPTION
`std::optional< Expression >`

method maximum_valueconstvirtual

Get the maximum possible value of the expression if it can be determined.

DEFINITION

virtual std::optional< Value > maximum_value

(

) const;

RETURNS	DESCRIPTION
`std::optional< Value >`	The maximum possible value of the expression.

method minimum_valueconstvirtual

Get the minimum possible value of the expression if it can be determined.

DEFINITION

virtual std::optional< Value > minimum_value

(

) const;

RETURNS	DESCRIPTION
`std::optional< Value >`	The minimum possible value of the expression.

method serialize_subconstvirtual

Serialize the expression to a stream.

This method must be implemented by derived classes.

DEFINITION

virtual void serialize_sub

(

std::ostream & stream

) const;

PARAMETER	DESCRIPTION
`stream`	The stream to serialize to.

method typeconstvirtual

Get the type of the expression's value if it can be determined.

DEFINITION

virtual std::optional< Value::Type > type

(

) const;

RETURNS	DESCRIPTION
`std::optional< Value::Type >`	The type of the expression's value.

member Expression

DEFINITION

friend Expression;