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[lldb/Commands] Fix outdated breakpoint command add help string

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Update the some examples in the help string for `breakpoint command add`.

Python breakpoint commands have different output than what's shown in the help string.

Notes:
  * Removed an example containing an inner function, as it seems more about a Python technique than about `command script add`
  * Updated `print x` to `print(x)` to be python 2/3 agnostic

Differential Revision: https://reviews.llvm.org/D87807
This commit is contained in:
Dave Lee
2020-09-16 16:40:48 -07:00
parent 6950db36d3
commit 3b3b9ba1c7
1 changed files with 15 additions and 18 deletions
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33
lldb/source/Commands/CommandObjectBreakpointCommand.cpp
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@@ -141,12 +141,16 @@ Example Python one-line breakpoint command:
(lldb) breakpoint command add -s python 1
Enter your Python command(s). Type 'DONE' to end.
> print "Hit this breakpoint!"
> DONE
def function (frame, bp_loc, internal_dict):
"""frame: the lldb.SBFrame for the location at which you stopped
bp_loc: an lldb.SBBreakpointLocation for the breakpoint location information
internal_dict: an LLDB support object not to be used"""
print("Hit this breakpoint!")
DONE
As a convenience, this also works for a short Python one-liner:
(lldb) breakpoint command add -s python 1 -o 'import time; print time.asctime()'
(lldb) breakpoint command add -s python 1 -o 'import time; print(time.asctime())'
(lldb) run
Launching '.../a.out' (x86_64)
(lldb) Fri Sep 10 12:17:45 2010
@@ -164,21 +168,14 @@ Example multiple line Python breakpoint command:
(lldb) breakpoint command add -s p 1
Enter your Python command(s). Type 'DONE' to end.
> global bp_count
> bp_count = bp_count + 1
> print "Hit this breakpoint " + repr(bp_count) + " times!"
> DONE
Example multiple line Python breakpoint command, using function definition:
(lldb) breakpoint command add -s python 1
Enter your Python command(s). Type 'DONE' to end.
> def breakpoint_output (bp_no):
> out_string = "Hit breakpoint number " + repr (bp_no)
> print out_string
> return True
> breakpoint_output (1)
> DONE
def function (frame, bp_loc, internal_dict):
"""frame: the lldb.SBFrame for the location at which you stopped
bp_loc: an lldb.SBBreakpointLocation for the breakpoint location information
internal_dict: an LLDB support object not to be used"""
global bp_count
bp_count = bp_count + 1
print("Hit this breakpoint " + repr(bp_count) + " times!")
DONE
)"
"In this case, since there is a reference to a global variable, \