BreakpointsFrame.py

   1 #!/usr/bin/python
   2 #shuber, 2008-06-04
   3
   4 __author__ = "shuber"
   5
   6
   7 import gobject
   8 import gtk
   9 import re
  10 import string
  11 import vte
  12
  13 import DbgTerminal
  14 import StatusFrame
  15
  16
  17 class BreakpointsFrame (StatusFrame.StatusFrame):
  18
  19
  20         def __init__(self, debugger):
  21
  22                 StatusFrame.StatusFrame.__init__(self, debugger)
  23                 self.set_label("Breakpoints")
  24
  25                 debugger.gotActiveCallback += [self.updateValues]
  26
  27                 vbox = gtk.VBox(False, 5)
  28                 self.add(vbox)
  29
  30                 hbox = gtk.HBox()
  31                 vbox.pack_start(hbox, False, False)
  32                 self.bpEntry = gtk.Entry()
  33                 hbox.add(self.bpEntry)
  34
  35
  36                 hbox = gtk.HBox()
  37                 vbox.pack_start(hbox, False, False)
  38                 self.addBtn = gtk.Button(stock=gtk.STOCK_ADD)
  39                 self.delBtn = gtk.Button(stock=gtk.STOCK_REMOVE)
  40                 self.updBtn = gtk.Button("Update")
  41                 hbox.add(self.addBtn)
  42                 hbox.add(self.delBtn)
  43                 hbox.add(self.updBtn)
  44
  45                 sw = gtk.ScrolledWindow()
  46                 sw.set_shadow_type(gtk.SHADOW_ETCHED_IN)
  47                 sw.set_policy(gtk.POLICY_AUTOMATIC, gtk.POLICY_AUTOMATIC)
  48                 vbox.add(sw)
  49
  50                 self.model = self.__createModel()
  51                 self.tv = gtk.TreeView(self.model)
  52                 self.tv.set_rules_hint(True)
  53                 self.tv.get_selection().set_mode(gtk.SELECTION_MULTIPLE)
  54                 self.tv.get_selection().connect("changed", self.selChanged)
  55
  56                 self.__addColumns(self.tv)
  57                 sw.add(self.tv)
  58
  59                 self.addBtn.connect("clicked", self.addBtnClicked)
  60                 self.delBtn.connect("clicked", self.delBtnClicked)
  61                 self.updBtn.connect("clicked", self.updBtnClicked)
  62
  63
  64
  65         def __createModel(self):
  66                 #Breakpoint number, position and a boolean flag indicating whether BP has been set
  67                 #at debugger yet
  68                 model = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING)
  69
  70                 return model
  71
  72
  73         def __addColumns(self, tv):
  74
  75                 model = tv.get_model()
  76
  77                 renderer = gtk.CellRendererText()
  78                 renderer.set_data("column", 0)
  79                 col = gtk.TreeViewColumn("No", renderer, text=0)
  80                 col.set_resizable(True)
  81                 tv.append_column(col)
  82
  83
  84                 renderer = gtk.CellRendererText()
  85                 renderer.set_data("column", 1)
  86                 col = gtk.TreeViewColumn("Specification", renderer, text=1)
  87                 col.set_resizable(True)
  88                 tv.append_column(col)
  89
  90
  91         def selChanged(self, sel):
  92                 model, paths = sel.get_selected_rows()
  93
  94                 if len(paths) > 0:
  95                         path = paths[0]
  96                         iter = model.get_iter(path)
  97                         bpspec, = model.get(iter, 1)
  98                         self.bpEntry.set_text(bpspec)
  99
 100
 101
 102         def addBreakpoint(self, file, lineno, cond=None):
 103
 104                 no = self.debugger.setBreakpoint(file, lineno, cond)
 105                 if no!=None:
 106                         self.addBreakpointToList(no, file, lineno, cond)
 107                 else:
 108                         dialog = gtk.MessageDialog(None, \
 109                                 gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT, \
 110                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, \
 111                                 "Invalid specification!")
 112                         dialog.run()
 113                         dialog.destroy()
 114
 115
 116         def applyConfiguration(self, conf):
 117                 for b in conf.breakpoints:
 118                         self.addBreakpoint(b["file"], b["lineno"], b["cond"])
 119                 self.updateValues(None, None)
 120
 121         def fillConfiguration(self, conf):
 122                 iter = self.model.get_iter_first()
 123                 while iter != None:
 124                         spec, = self.model.get(iter, 1)
 125                         conf.parseBreak(spec)
 126                         iter = self.model.iter_next(iter)
 127
 128
 129
 130         def addBreakpointToList(self, no, file, lineno, cond=None):
 131
 132                 if cond==None:
 133                         expr =  "%s:%s" % (str(file), str(lineno))
 134                 else:
 135                         expr = "%s:%s if %s" % (str(file), str(lineno), str(cond))
 136
 137                 iter = self.model.get_iter_first()
 138                 while iter != None:
 139                         newiter = self.model.iter_next(iter)
 140                         #Found a expression which is the same --> remove the breakpoint
 141                         if (expr,) == self.model.get(iter,1):
 142                                 self.debugger.delBreakpoint(no)
 143                                 return
 144                         iter = newiter
 145
 146                 #Add the entry to the breakpoint list
 147                 iter = self.model.append()
 148                 self.model.set(iter, 0, no)
 149                 self.model.set(iter, 1, expr)
 150
 151
 152         def addBtnClicked(self, btn):
 153
 154                 if not self.debugger.isActive():
 155                         return
 156
 157
 158                 bpspec = self.bpEntry.get_text()
 159                 bpspec = bpspec.strip()
 160                 rx = re.compile("^[\w/\._\-]+:\d+(\s+if\s+\S+.*)?$")
 161
 162                 #Check if format is correct
 163                 if not rx.search(bpspec):
 164                         dialog = gtk.MessageDialog(None, \
 165                                 gtk.DIALOG_MODAL | gtk.DIALOG_DESTROY_WITH_PARENT, \
 166                                 gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, \
 167                                 "Invalid format!")
 168                         dialog.run()
 169                         dialog.destroy()
 170                         return
 171
 172
 173                 ifsplit = string.split(bpspec, "if")
 174
 175                 if len(ifsplit)>1:
 176                         cond = ifsplit[1].strip()
 177                 else:
 178                         cond = None
 179
 180                 pos = ifsplit[0].strip()
 181                 [file,lineno] = string.split(pos, ":")
 182
 183                 self.addBreakpoint(file, lineno, cond)
 184
 185
 186
 187
 188         def delBtnClicked(self, btn):
 189
 190                 if not self.debugger.isActive():
 191                         return
 192
 193                 selection = self.tv.get_selection()
 194                 model, paths = selection.get_selected_rows()
 195
 196                 for path in reversed(paths):
 197                         iter = model.get_iter(path)
 198                         bpno, = self.model.get(iter, 0)
 199                         self.debugger.delBreakpoint(bpno)
 200                         model.remove(iter)
 201
 202
 203         def updBtnClicked(self, btn):
 204
 205                 if not self.debugger.isActive():
 206                         return
 207
 208                 self.updateValues(None, None)
 209
 210
 211         def updateValues(self, status, param):
 212
 213                 bpnts = self.debugger.getBreakpoints()
 214
 215                 #Remove them all
 216                 iter = self.model.get_iter_first()
 217                 while iter != None:
 218                         newiter = self.model.iter_next(iter)
 219                         self.model.remove(iter)
 220                         iter = newiter
 221
 222                 for bp in bpnts:
 223                         [no, file, lineno, cond] = bp
 224                         self.addBreakpointToList(no, file, lineno, cond)
 225
 226
 227