| Command |
Result |
Example |
| Running |
| run |
Run the program |
r |
| step |
Runs the program until execution reaches a different source line |
s |
| next |
Runs the program until execution reaches the next source line, does not step into called functions |
n |
| finish |
Runs the program until a return from the current funciont occurs |
fin |
| continue |
Continues execution |
c |
| Breakpoints |
| break FUNCTION |
Set a breakpoint at the entry to function FUNCTION |
br main |
| break LINENUM |
Set a breakpoint at line LINENUM |
br 1000 |
| tbreak FUNCTION |
Set a one time only breakpoint at the entry to function FUNCTION |
tb main |
| tbreak LINENUM |
Set a one time only breakpoint at line LINENUM |
tb 1000 |
| rbreak REGEX |
Set a breakpoint at the entry to functions whose names match REGEX |
rb ^db.*$ |
| info breakpoints |
List all breakpoints |
inf b |
| clear FUNCTION |
Clears any breakpoints at the entry to function FUNCTION |
cl main |
| clear LINENUM |
Clears any breakpoints at line LINENUM |
cl 1000 |
| Execution stack |
| backtrace |
Displays the calling stack |
bt |
| Source listing and evaluation |
| list LINENUM |
Lists source lines centered around line LINENUM |
l 1000 |
| list FUNCTION |
Lists source lines centered around lthe start of function FUNCTION |
l main |
| print EXP |
Prints the result of expression EXP (given in the source language) |
p 2+2 |