J.15.15 Distribution Pragmas

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{AI12-0417-1} This subclause defines pragmas that specify properties of units for distributed systems.

1.a/5

Discussion: {AI12-0417-1} These pragmas are presented in the order that the aspects are defined in Annex E.

Syntax

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{AI12-0417-1} The following pragmas are defined with the given forms:

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pragma Shared_Passive[(library_unit_name)];

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pragma Remote_Types[(library_unit_name)];

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pragma Remote_Call_Interface[(library_unit_name)];

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pragma All_Calls_Remote[(library_unit_name)];

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{AI12-0417-1} Each of these pragmas is a library unit pragma.

Static Semantics

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{AI12-0417-1} A categorization pragma is a pragma that specifies a corresponding categorization aspect.

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{AI12-0417-1} The pragmas Shared_Passive, Remote_Types, and Remote_Call_Interface are categorization pragmas. In addition, the pragma Pure (see J.15.14) is considered a categorization pragma.

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{AI12-0417-1} A pragma Shared_Passive specifies that a library unit is a shared passive library unit, namely that the Shared_Passive aspect (see E.2.1) of the library unit is True.

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{AI12-0417-1} A pragma Remote_Types specifies that a library unit is a remote types library unit, namely that the Remote_Types aspect (see E.2.2) of the library unit is True.

A pragma Remote_Call_Interface specifies that a library unit is a remote call interface, namely that the Remote_Call_Interface aspect (see E.2.3) of the library unit is True.

A pragma All_Calls_Remote specifies that the All_Calls_Remote aspect (see E.2.3) of the library unit is True.

Wording Changes from Ada 2012

13.a/5

{AI12-0417-1} This subclause is new. These pragmas were moved here from Annex E, “Distributed Systems”.

Ada 2005 and 2012 Editions sponsored in part by Ada-Europe