Ada Programming/Ada 95

95 __TOC__ Ada 95 is the second revision of the language, preceded by Ada 83. It was standardized by the ISO in 1995. The Technical Corrigendum 1 was published in June 2001. WG9 Standards and Projects http://www.open-std.org/jtc1/sc22/wg9/projects.htm 2008-06-09 The Corrigendum is approved and was published in June 2001. New language features Main additions: Naomi Hamilton The A-Z of Programming Languages: Ada 2008-06-04 Computerworld http://www.techworld.com.au/article/223388/-z_programming_languages_ada?pp=1 2008-06-09 The "big three" Ada 95 language revisions were Hierarchical Libraries, Protected Objects, and Object-Oriented Programming. Object Orientation Protected Objects Hierarchical libraries Character set Latin-1 (8-bit) character set for identifiers Type Character expanded to the 256 values of Latin-1 (8 bits) New type Wide_Character (16-bit character type, UCS-2 encoding) and Wide_String Specialized Needs Annexes Annex C, "Systems Programming" Annex D, "Real-Time Systems" Annex E, "Distributed Systems" Annex F, "Information Systems" Annex G, "Numerics" Annex H, "Safety and Security" (in Ada 2005 renamed to "High Integrity Systems") Other language additions Modular types General access types Access to subprograms 'delay until' statement 'use type' clause Summary of what's new New keywords Ada 95 has 6 new keywords with respect to Ada 83 (69 keywords in total): abstract aliased protected requeue tagged until New pragmas Added 29 pragmas, removed 5 (38 total): All_Calls_Remote Asynchronous Atomic Atomic_Components Attach_Handler Convention Discard_Names Elaborate_All Elaborate_Body Export Import Inspection_Point Interrupt_Handler Interrupt_Priority Linker_Options Locking_Policy Normalize_Scalars Preelaborate Pure Queueing_Policy Remote_Call_Interface Remote_Types Restrictions Reviewable Shared_Passive Storage_Size Task_Dispatching_Policy Volatile Volatile_Components New attributes Added 52 attributes, removed 7 (85 total): Access Adjacent Alignment Bit_Order Body_Version Caller Ceiling Class Component_Size Compose Copy_Sign Definite Denorm Exponent External_Tag Floor Fraction Identity Input Leading_Part Machine Max Max_Size_In_Storage_Elements Min Model Model_Emin Model_Epsilon Model_Mantissa Model_Small Modulus Output Partition_ID Read Remainder Round Rounding Safe_First Safe_Last Scale Scaling Signed_Zeros Storage_Pool Tag Truncation Unbiased_Rounding Unchecked_Access Valid Version Wide_Image Wide_Value Wide_Width Write New library units Ada.Real_Time ... See also Wikibook Ada Programming/Ada 83 Ada Programming/Ada 2005 Ada Programming/Ada 2012 Ada Programming/Keywords Ada Programming/Attributes Ada Programming/Pragmas References Ada Reference Manual, ISO/IEC 8652:1995(E) with COR.1:2000 (June 2001) Annotated Ada Reference Manual, ISO/IEC 8652:1995(E) with COR.1:2000 (June 2001) The Ada 95 Rationale: The Language, The Standard (January 1995) Ada 95 Quality and Style Guide: Guidelines for Professional Programmers (October 1995) References External links Ada 9X for Embedded Systems Development Tucker Taft 1994 http://archive.adaic.com/docs/reports/taft/eet-940606.html 2008-06-04 Object-Oriented Facilities in Ada 95 David L. Moore 1995-10-01 Dr. Dobb's Journal http://www.ddj.com/184409641 2008-06-04 Ada 1995