Ada '83 Language Reference Manual

Copyright 1980, 1982, 1983 owned by the United States Government. Direct reproduction and usage requests to the Ada Information Clearinghouse.

2. Lexical Elements

The text of a program consists of the texts of one or more compilations. The text of a compilation is a sequence of lexical elements, each composed of characters; the rules of composition are given in this chapter. Pragmas, which provide certain information for the compiler, are also described in this chapter.

References: character, compilation, lexical element, pragma.

Rationale references: 2 Lexical and Textual Structure, 2.1 Lexical Structure

Sub-topics:

• 2.1 Character Set
• 2.2 Lexical Elements, Separators, and Delimiters
• 2.3 Identifiers
• 2.4 Numeric Literals
• 2.5 Character Literals
• 2.6 String Literals
• 2.7 Comments
• 2.8 Pragmas
• 2.9 Reserved Words
• 2.10 Allowable Replacements of Characters

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