backtrace / where
The backtrace commands prints a summary of how your program reached the
current state.
Syntax
backtraceUsage
The backtrace command prints a summary of your program's entire stack, one line
per frame.
Each line in the output shows the frame number and function name.
bt and where are
aliases for the backtrace command.
Example
(fgldb) backtrace
#1 addcount() at mymodule.4gl:6
#2 main() at mymodule.4gl:2
(fgldb)