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# 15. Debugging

Loadable Function: rline = dbstop (func, line)
  Set a breakpoint in a function
  `func`
    String representing the function name. When already in debug mode this should be left out and only the line should be given.
  `line`
    Line you would like the breakpoint to be set on

  The rline returned is the real line that the breakpoint was set at.

Loadable Function: dbclear (func, line)
  Delete a breakpoint in a function
  `func`
    String representing the function name. When already in debug mode this should be left out and only the line should be given.
  `line`
    Line where you would like to remove the the breakpoint
  No checking is done to make sure that the line you requested is really a breakpoint. If you get the wrong line nothing will happen.

Loadable Function: lst = dbstatus ([func])
  Return a vector containing the lines on which a function has breakpoints set.
  `func`
    String representing the function name. When already in debug mode this should be left out.

Loadable Function: dbwhere ()
  Show where we are in the code

Loadable Function: dbtype ()
  List script file with line numbers.

Built-in Variable: debug_on_interrupt
  If `debug_on_interrupt` is nonzero, Octave will try to enter debugging mode when it receives an interrupt signal (typically generated with `C-c`). If a second interrupt signal is received before reaching the debugging mode, a normal interrupt will occur. The default value is 0.

Built-in Variable: debug_on_warning
  If the value of `debug_on_warning` is nonzero, Octave will try to enter the debugger when a warning is encountered. The default value is 0.

Built-in Variable: debug_on_error
  If the value of `debug_on_error` is nonzero, Octave will try to enter the debugger when an error is encountered. This will also inhibit printing of the normal traceback message (you will only see the top-level error message). The default value is 0.

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This document was generated by John W. Eaton on September, 21 2004 using texi2html