breakwin.py
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##===-- breakwin.py ------------------------------------------*- Python -*-===##
##
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
##
##===----------------------------------------------------------------------===##
import cui
import curses
import lldb
import lldbutil
import re
class BreakWin(cui.ListWin):
def __init__(self, driver, x, y, w, h):
super(BreakWin, self).__init__(x, y, w, h)
self.driver = driver
self.update()
self.showDetails = {}
def handleEvent(self, event):
if isinstance(event, lldb.SBEvent):
if lldb.SBBreakpoint.EventIsBreakpointEvent(event):
self.update()
if isinstance(event, int):
if event == ord('d'):
self.deleteSelected()
if event == curses.ascii.NL or event == curses.ascii.SP:
self.toggleSelected()
elif event == curses.ascii.TAB:
if self.getSelected() != -1:
target = self.driver.getTarget()
if not target.IsValid():
return
i = target.GetBreakpointAtIndex(self.getSelected()).id
self.showDetails[i] = not self.showDetails[i]
self.update()
super(BreakWin, self).handleEvent(event)
def toggleSelected(self):
if self.getSelected() == -1:
return
target = self.driver.getTarget()
if not target.IsValid():
return
bp = target.GetBreakpointAtIndex(self.getSelected())
bp.SetEnabled(not bp.IsEnabled())
def deleteSelected(self):
if self.getSelected() == -1:
return
target = self.driver.getTarget()
if not target.IsValid():
return
bp = target.GetBreakpointAtIndex(self.getSelected())
target.BreakpointDelete(bp.id)
def update(self):
target = self.driver.getTarget()
if not target.IsValid():
self.win.erase()
self.win.noutrefresh()
return
selected = self.getSelected()
self.clearItems()
for i in range(0, target.GetNumBreakpoints()):
bp = target.GetBreakpointAtIndex(i)
if bp.IsInternal():
continue
text = lldbutil.get_description(bp)
# FIXME: Use an API for this, not parsing the description.
match = re.search('SBBreakpoint: id = ([^,]+), (.*)', text)
try:
id = match.group(1)
desc = match.group(2).strip()
if bp.IsEnabled():
text = '%s: %s' % (id, desc)
else:
text = '%s: (disabled) %s' % (id, desc)
except ValueError as e:
# bp unparsable
pass
if self.showDetails.setdefault(bp.id, False):
for location in bp:
desc = lldbutil.get_description(
location, lldb.eDescriptionLevelFull)
text += '\n ' + desc
self.addItem(text)
self.setSelected(selected)