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- Errata for changes to Appendix A version 21
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- paragraph 2paragraph 2paragraph 2
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- P'ADDRESS For a prefix P that denotes an object, a program unit, a label, or an
- entry:
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- Yields the address of the first of the storage units allocated to P. For a
- subprogram, package, task unit, or label, this value refers to the machine
- code associated with the corresponding body or statement. For an entry for
- which an address clause has been given, the value refers to the
- corresponding hardware interrupt. The value of this attribute is of the
- type ADDRESS defined in the package SYSTEM. (See 13.7.2.)
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- paragraph 14paragraph 14paragraph 14
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- P'FIRST For a prefix P that is appropriate for an array type, or that denotes a
- constrained array subtype:
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- paragraph 18paragraph 18paragraph 18
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- P'IMAGE For a prefix P that denotes a discrete type or subtype:
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- This attribute is a function with a single parameter. The actual parameter
- X must be a value of the base type of P. The result type is the predefined
- type STRING. The result is the image_____ of the value of X, that is, a
- sequence of characters representing the value in display form. The image
- of an integer value is the corresponding decimal literal; without
- underlines, leading zeros, exponent, or trailing spaces; but with a one
- character prefix that is either a minus sign or a space.
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- paragraph 29paragraph 29paragraph 29
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- P'MACHINE_OVERFLOWS For a prefix P that denotes a real type or subtype:
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- Yields the value TRUE if every predefined operation on values of the base
- type of P either provides a correct result, or raises the exception
- NUMERIC_ERROR in overflow situations; yields the value FALSE otherwise.
- The value of this attribute is of the predefined type BOOLEAN. (See
- 13.7.3.)
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- -1 29 paragraph
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