【正文】 ates ........................................................................................................................................ 17 Enums ............................................................................................................................................ 18 Namespaces .................................................................................................................................... 18 Properties ........................................................................................................................................ 19 Indexers .......................................................................................................................................... 20 Events............................................................................................................................................. 21 Versioning ...................................................................................................................................... 22 Attributes ........................................................................................................................................ 24 2. Lexical structure ................................................................................................................................... 27 Phases of translation .......................................................................................................................... 27 Grammar notation.............................................................................................................................. 27 Preprocessing ................................................................................................................................... 28 Preprocessing declarations ..........................................................................................................28 if, elif, else, endif .................................................................................................................29 Preprocessing control lines .........................................................................................................30 line ...........................................................................................................................................31 Preprocessing identifiers .............................................................................................................31 Preprocessing expressions...........................................................................................................31 Interaction with white space .........................................................................................................32 Lexical analysis ................................................................................................................................. 33 Input...........................................................................................................................................33 C LANGUAGE REFERENCE iv Copyright ? 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Input characters ...........................................................................................................................33 Line terminators ..........................................................................................................................33 Comments ..................................................................................................................................33 White space ................................................................................................................................33 Tokens........................................................................................................................................33 Processing of Unicode character escape sequences............................................................................... 34 Identifiers ...................................................................................................................................34 Keywords ...................................................................................................................................36 Literals .......................................................................................................................................36 Boolean literals .....................................................................................................................36 Integer literals .......................................................................................................................36 Real literals ...........................................................................................................................37 Character literals ...................................................................................................................38 String literals.........................................................................................................................39 The null literal.......................................................................................................................40 Operators and punctuators............................................................................................................40 3. Basic concepts ....................................................................................................................................... 41 Declarations ...................................................................................................................................... 41 Members........................................................................................................................................... 43 Namespace members