pTAL Reference Manual (H06.08+)

LITERALs and DEFINEs

HP pTAL Reference Manual—523746-006

6-3

Declaring DEFINEs

A DEFINE declaration associates an identifier (and optional parameters) with text.

item-list

identifier

is the identifier of the DEFINE.

Two constants specified, six supplied by compiler:

LITERAL d, ! Compiler assigns 0

e, ! Compiler assigns 1

f, ! Compiler assigns 2

g = 0,

h, ! Compiler assigns 1

i = 17,

j, ! Compiler assigns 18

k; ! Compiler assigns 19

LITERAL identifier in array declaration:

LITERAL length = 50; ! Length of array

INT buffer[0:length - 1]; ! Array declaration

LITERAL identifiers in subsequent LITERAL declarations:

LITERAL number_of_file_extents = 16;

LITERAL file_extent_size_in_pages = 32;

LITERAL file_size_in_bytes = (number_of_file_extents '*'

file_extent_size_in_pages) * 2048D ! bytes per page !;

Example 6-1. Literal Declarations (page2of2)

DEFINE

item-list

;

VST019.vsd

identifier

param-list

define-body

VST995.vsd