provides _executableFile, _executableArgs, _executableWorkingDir, _executableEnvVars parameters and setter function setExecutableParams
provides _terminalExecutable, _terminalTty, setTerminalExecutable, and setTerminalTty
returns true if it's mago debugger
set executable parameters before execution
executable file name for external console/terminal
set external terminal parameters before execution
can be called after program is loaded
continue execution
stop program execution
interrupt execution
step over
step in
step out
restart
update list of breakpoints
request stack trace and local vars for thread and frame