8. Visibility Rules¶
8.1. Declarative Region¶
No extensions or restrictions.
8.2. Scope of Declarations¶
No extensions or restrictions.
8.3. Visibility¶
No extensions or restrictions.
8.3.1. Overriding Indicators¶
No extensions or restrictions.
8.4. Use Clauses¶
Legality Rules
- Use clauses are always in SPARK 2014, even if the unit mentioned is not completely in SPARK 2014.
8.5. Renaming Declarations¶
8.5.1. Object Renaming Declarations¶
Legality Rules
- [An expression or range occurring as part of an
object_renaming_declaration
shall not have a variable input; see Expressions for the statement of this rule.] [This rule can apply to an index of an indexed_component and the range of a slice.]
8.5.2. Exception Renaming Declarations¶
No extensions or restrictions.
8.5.3. Package Renaming Declarations¶
No extensions or restrictions.
8.5.4. Subprogram Renaming Declarations¶
From the point of view of both static and dynamic verification, a renaming-as-body is treated as a one-line subprogram that “calls through” to the renamed unit.
Legality Rules
- The
aspect_specification
on asubprogram_renaming_declaration
shall not include any of the SPARK 2014-defined aspects introduced in this document.
8.5.5. Generic Renaming Declarations¶
No extensions or restrictions.
8.6. The Context of Overload Resolution¶
No extensions or restrictions.