Difference between revisions of "DOLEVEL()"

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(Example)
Line 14: Line 14:
 
<code lang="recital">
 
<code lang="recital">
 
> ? dolevel()
 
> ? dolevel()
         0
+
         1
 
//master.prg
 
//master.prg
 
procedure subproc1
 
procedure subproc1
Line 25: Line 25:
 
//end of master.prg
 
//end of master.prg
 
> do master
 
> do master
        1
 
 
         2
 
         2
 +
        3
 
</code>
 
</code>
  
 
[[Category:Documentation]]
 
[[Category:Documentation]]
 
[[Category:Functions]]
 
[[Category:Functions]]

Revision as of 09:06, 1 December 2021

Purpose

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

Syntax

DOLEVEL()

See Also

LEVEL(), PATH(), PROCLIBS(), PROCLINE(), PROCNAME(), PROGRAM(), SYS()

Description

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

Example

> ? dolevel()
         1
//master.prg
procedure subproc1
? dolevel()
?
return
 
? dolevel()
subproc1()
//end of master.prg
> do master
         2
         3