Re: [Objectscript-users] command line debugger

[Lysander D. <sa...@sb...>]

I checked version 1894 from trunk.  It builds successfully and
  everything works. 
  
  I particularly like the option to set the initial breakpoint on the command line.
  
  Thanks,
  Lysander

Rob Clark <ro...@ti...> wrote:  Ok, I've merged the command-line debugger changes back to the trunk.  I made
some slight changes:

  1) changed the way "next" works to work more like the GUI debugger,
without needing changes in Debugger.java
  2) used ObjectScript regular expressions for debugger command-line parsing

Everything seems to work, as best I can tell... If you want, checkout the
latest from the trunk and give it a whirl.

I've also merged the changes to build with JDK v1.5.x


On 12/6/05 10:08 AM, "Lysander David"  wrote:

> Thanks for checking in dbg.os.
> 
> 'import "reflection.os";' is not necessary.
> It refers to the reflection.os file from the
> user guide so that I could use the 'listobj'
> function to list the methods and attributes
> of objects.
> 
> The patch extends the Breakpoint interface
> to allow breakpoints to provide the current
> stack frame( getCurrentStackFrame ), the
> parent stack frame ( getParentStackFrame ) and
> whether or not it is a next breakpoint (
> isNextBreakpoint ).
> 
> Then handle is modified to call isNextBreakpoint.
> If isNextBreakpoint returns false, then the step
> breakpoint
> is handled as normal.  If isNextBreakpoint is true,
> and the current stack frame or parent stack frame
> matches
> the current stack frame, the breakpoint is handled.
> Otherwise
> the stepBp is left unchanged to be added back to the
> breakpont stack.
> 
> Additionally _inNextBreakpointStackFrame can be
> removed
> since it isn't used ( I thought determining if it is
> in the
> next stack frame would be a little more involved )
> 
> 
> --- Rob Clark  wrote:
> 
>> I've checked in dbg.os, and added a "-b 
>> 
" command-line
>> option to set a breakpoint from the command-line...
>> see revision 1881
>> 
>> btw, in dbg.os, what is the 'import
>> "reflection.os";'.... I've had a
>> brief look thru dbg.os, and it didn't look like it
>> was using any  
>> functions not defined in the same file, but thought
>> I should double 
>> check to make sure that nothing is missing.
>> 
>> I still need to look at the patch file to understand
>> the changes...  
>> hopefully I'll get some time to have a closer look
>> tomorrow.
>> 
>> 
>> On Nov 26, 2005, at 10:54 PM, Lysander David wrote:
>> 
>>> Hi Rob,
>>> 
>>> I have made some modifications to the previous
>> dbg.os
>>> you previously posted. Here is the help
>>> for it:
>>> 
>>> objectsript command line debugger help
>>> 
>>> continue - continue execution ( synonym "c" )
>>> step - single step ( synonym "s" )
>>> next - Next, steps over subs ( synonym "n" )
>>> where - stack trace ( synonym "T" )
>>> up - change context to higher stack frame (
>> synonym
>>> "u" )
>>> down - change context to lower stack frame (
>> synonym
>>> "d" )
>>> list [file][:[line][:length]] - list the [file] at
>>> [line] with [length] number of lines
>>> b [[file][:line]] - set a breakpoint. If [file] is
>> not
>>> specified, a breakpoint is set at the curent debug
>>> stack frame
>>> b list - list breakpoints
>>> d index - delete breakpoint at specified
>> breakpoint
>>> index
>>> help - this message ( synonym "h" )
>>> exit - exit debugging session ( synonym "x",
>> "quit",
>>> "q")
>>> 
>>> 
>>> Aside from the os file, some changes in
>>> Debugger.java were necessary in order to get
>>> the "next" command to work ( see included patch
>>> "debugger.pat" ).
>>> 
>>> I realize that a lot of it is kind of hacky but
>>> hopfully you can indicate what changes should be
>>> made so that it can eventually be included as a
>> part
>>> of
>>> the objectscritpt distribution.
>>> 
>>> ( Two things I can think of offhand are
>>>   1. add a command line flag to add a step
>>>      breakpoint so that it will not
>>>      be necessary to modify os code to get the
>>>      first breakpoint
>>>   2. add a return command to continue until
>>>      the current function returns.
>>> )
>>> 
>>> By the way, is an emacs mode for javascript
>> available
>>> ?
>>> 
>>> Thanks,
>>> Lysander
>>> 
>>> 
>> 
>> 
>> ____________________
>> CONTACT INFORMATION:
>> email:    ro...@ti...
>> IM:   rob@sandjabber
>> desk: 1 858 552 2946
>> cell: 1 619 300 9661
>> 
>> 
>> 
>> 
> 




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