pTAL Reference Manual (H06.03+)

Language Elements

HP pTAL Reference Manual—523746-005

2-9

Identifiers

Each identifier belongs to an identifier class. The compiler determines the identifier

class based on how you declare the identifier.

Example 2-1. Correct Identifiers

_2345678012_31_characters

name_with_exactly_31_characters

Example 2-2. Incorrect Identifiers

Identifier Problem

2abc Begins with a number

ab%99 Contains % symbol

VARIABLE Reserved word

Table 2-8. Identifier Classes

Class Description

Block Global data block

Code Read only (P-relative) array

Variable Simple variable, array, nonstructure pointer, structure pointer

, structure, or

structure data item

DEFINE* Named text

Function Procedure or subprocedure that returns a value

Label Statement label

LITERAL Named constant

PROC Procedure or subprocedure that does not return a value

Template Template structure

* Available only on Guardian platforms.