Difference between revisions of "LEVEL()"
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==Description== | ==Description== | ||
| − | The LEVEL() function returns the 'do' level of the currently executing program or procedure. Issued at the command prompt, the LEVEL() function returns | + | The LEVEL() function returns the 'do' level of the currently executing program or procedure. Issued at the command prompt, the LEVEL() function returns 1. Issued in a master or calling program, LEVEL() returns 2. Subsequent called programs or procedures are at a 'do' level based on the program nesting. |
==Example== | ==Example== | ||
<code lang="recital"> | <code lang="recital"> | ||
> ? level() | > ? level() | ||
| − | + | 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 | ||
| − | |||
2 | 2 | ||
| + | 3 | ||
</code> | </code> | ||
[[Category:Documentation]] | [[Category:Documentation]] | ||
[[Category:Functions]] | [[Category:Functions]] | ||
Latest revision as of 09:06, 1 December 2021
Contents
Purpose
Function to return the 'do' level of the currently executing program or procedure
Syntax
LEVEL()
See Also
DO, DOLEVEL(), PATH(), PROCLIBS(), PROCLINE(), PROCNAME(), PROGRAM(), 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 1. Issued in a master or calling program, LEVEL() returns 2. Subsequent called programs or procedures are at a 'do' level based on the program nesting.
Example
> ? level() 1 //master.prg procedure subproc1 ? level() ? return ? level() subproc1() //end of master.prg > do master 2 3
