Rational Developer for System z
Enterprise PL/I for z/OS, Version 3.8, Language Reference Manual

Syntax of list-directed data

Data values in the stream, either input or output, are character or graphic representations.

Read syntax diagramSkip visual syntax diagram>>-+-+-----+--arithmetic-constant------------------------+-----><
   | +- + -+                                             |
   | '- - -'                                             |
   +-+-----+--real-constant--+- + -+--imaginary-constant-+
   | +- + -+                 '- - -'                     |
   | '- - -'                                             |
   +-character-constant----------------------------------+
   +-bit-constant----------------------------------------+
   '-graphic-constant------------------------------------'
 

String repetition factors are not allowed. A blank must not follow a sign preceding a real constant, and must not precede or follow the central positive (+) or negative (-) symbol in complex expressions.

The length of the data value in the stream is a function of the attributes of the data value, including precision and length. Detailed discussions of the conversion rules and their effect upon precision are listed in the descriptions of conversion to character type in Data conversion.


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