String Constants

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Epsilon User's Manual and Reference

    Epsilon Extension Language

       . . .

       The EEL Preprocessor

       Lexical Rules

          . . .

          Numeric Constants

          Character Constants

          String Constants

       Scope of Variables

       . . .

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Epsilon User's Manual and Reference > Epsilon Extension Language > Lexical Rules >

String Constants

Text enclosed in double quote characters (such as "example") is a string constant. It produces a block of storage whose type is array of char, and whose value is the sequence of characters between the double quotes, with a null character (ASCII code 0) automatically added at the end. All the escape sequences for character constants work here too.

The compiler merges a series of adjacent string constants into a single string constant (before automatically adding a null character at the end). For example, "sample" "text" produces the same single block of storage as "sampletext".

If an EEL file that begins with a UTF-8 signature ("byte order mark"), then the compiler decodes UTF-8 sequences in character and string constants. This method lets you include Unicode characters directly instead of using escape sequences. If a file does not begin with a UTF-8 signature, the compiler interprets bytes literally.

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