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DIANA, the Descriptive Intermediate Attributed Notation for Ada, is an intermediate language used to represent the semantics of an Ada program. It was originally designed as an interface between the front end (syntactic analysis) and middle (semantic analysis) of the compiler on the one hand and the back end (code generation and optimization) on the other. It is also used as an internal representation by other language tools. DIANA is also used by PL/SQL, which is based on Analysis and design of algorithm. DIANA is an abstract data type; its concrete implementations are defined using the IDL specification language. DIANA descends from TCOL and AIDA, earlier representations of Ada programs. ==References== * Gerhard Goos, William A. Wulf, Arthur Evans, Jr., Kenneth J. Butler, ''DIANA: an intermediate language for Ada'', ''Lecture Notes In Computer Science'' 161, 2000. ISBN 0-387-12695-3 * DIANA Reference Manual, Draft Revision 4: http://www.dtic.mil/dtic/tr/fulltext/u2/a272792.pdf 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「DIANA (intermediate language)」の詳細全文を読む スポンサード リンク
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