Difference between revisions of "LEVEL()"

Latest revision as of 15:29, 14 June 2011

Purpose

Function to return the 'do' level of the currently executing program or procedure

Syntax

LEVEL()

See Also

DEBUG, DO, DOLEVEL(), MESSAGE, MESSAGE(), PATH(), PROCLIBS(), PROCLINE(), PROCNAME(), PROGRAM(), RESUME, SET DEBUG, SET DOHISTORY, SET ECHO, SET HISTORY, SUSPEND, SYS()

Description

The LEVEL() function returns the 'do' level of the currently executing program or procedure. Issued at the command prompt, the LEVEL() function returns 0. Issued in a master or calling program, LEVEL() returns 1. Subsequent called programs or procedures are at a 'do' level based on the program nesting.

Example

> ? level()
         0
//master.prg
procedure subproc1
? level()
?
return
 
? level()
subproc1()
//end of master.prg
> do master
         1
         2

Products

Recital Server, Recital