DbgTerminal.py

   1 #!/usr/bin/python
   2 #shuber, 2008-06-04
   3
   4 __author__ = "shuber"
   5
   6
   7 import gtk
   8 import pango
   9 import pty
  10 import string
  11 import time
  12 import threading
  13 import vte
  14
  15 import ClientIOTerminal
  16
  17
  18
  19 class DbgTerminal (vte.Terminal):
  20
  21         isactive = True
  22         lastrow = 0
  23         history = []
  24
  25
  26         def __init__(self, clientCmd):
  27
  28                 vte.Terminal.__init__(self)
  29
  30                 #Start debugger
  31                 self.clientCmd = clientCmd
  32                 #Open pseudo-terminal where to-be-debugged process reads/writes to
  33                 self.client_ptymaster, self.client_ptyslave = pty.openpty()
  34
  35                 #Set up terminal window and initialize debugger
  36                 self.connect("cursor-moved", self.contents_changed)
  37                 self.connect("child-exited", lambda *w: gtk.main_quit())
  38
  39                 #font description
  40                 fontdesc = pango.FontDescription("monospace 9")
  41                 self.set_font(fontdesc)
  42
  43
  44         def initialize(self):
  45                 #Launch debugger
  46                 self.fork_command( self.getCommand(), self.getArgv())
  47                 self.setPty(self.client_ptyslave)
  48
  49
  50         def contents_changed(self, term):
  51                 c,r = term.get_cursor_position()
  52
  53                 if self.lastrow <= r:
  54                         text = self.get_text_range(self.lastrow,0,r,-1,lambda *w:True)
  55
  56                         #Remove the incomplete line
  57                         if self.getHistoryLen()>0 and (len(self.history[-1])==0 or self.history[-1]!='\n') :
  58                                 del self.history[-1]
  59
  60                         #Get the lines and remove empty lines
  61                         lines = string.split(text, "\n")
  62
  63                         #Remove last empty line...
  64                         if lines[-1] == "":
  65                                 del lines[-1]
  66
  67                         #Add lines to history
  68                         self.history += [l+"\n" for l in lines[:-1]]
  69                         self.history += [lines[-1]]
  70                         self.lastrow = r
  71
  72
  73         def waitForNewline(self):
  74                 r = self.lastrow
  75                 while not self.lastrow > r:
  76                         gtk.main_iteration()
  77
  78         def getHistoryLen(self):
  79                 return len(self.history)
  80
  81         def waitForRx(self, rx, start=None):
  82
  83                 if start == None:
  84                         start = self.getHistoryLen()
  85                 if start < 0:
  86                         start = 0
  87
  88                 while True:
  89                         for no in range(start, self.getHistoryLen()):
  90                                 line = self.history[no]
  91                                 if rx.search(line):
  92                                         return no, line
  93
  94                         start = self.getHistoryLen()
  95                         gtk.main_iteration()
  96
  97
  98         def getCommand(self):
  99                 return self.getArgv()[0];
 100
 101         def getArgv(self):
 102                 raise NotImplementedError()
 103
 104         def setPty(self, pty):
 105                 raise NotImplementedError()
 106
 107         def setRun(self):
 108                 raise NotImplementedError()
 109
 110         def setContinue(self):
 111                 raise NotImplementedError()
 112
 113         def setStepover(self):
 114                 raise NotImplementedError()
 115
 116         def setStepin(self):
 117                 raise NotImplementedError()
 118
 119         def setQuit(self):
 120                 raise NotImplementedError()
 121
 122         def setBreakpoint(self, file, lineno, condition=False):
 123                 raise NotImplementedError()
 124
 125         def delBreakpoint(self, breakpoint):
 126                 raise NotImplementedError()
 127
 128         def getExpression(self, expr):
 129                 raise NotImplementedError()
 130
 131         def waitForActivation(self, his):
 132                 raise NotImplementedError()
 133
 134         def setActive(self, isactive):
 135                 self.isactive = isactive
 136
 137         def isActive(self):
 138                 return self.isactive
 139
 140
 141
 142
 143
 144
 145 class DbgWindow (gtk.Window):
 146
 147         clientIOWnd = None
 148
 149
 150         def __init__(self, terminal):
 151
 152                 #Set up some members
 153                 self.terminal = terminal
 154
 155                 #Set up GTK stuff
 156                 gtk.Window.__init__(self)
 157                 self.connect("destroy", lambda *w: gtk.main_quit())
 158
 159                 #Set title and add terminal
 160                 self.set_title("Debugger I/O")
 161                 self.terminal.history = []
 162                 self.terminal.history_length = 5
 163                 self.add(self.terminal)
 164
 165                 #Show the window
 166                 self.show_all()
 167
 168         def toggleClientIOWindow(self):
 169                 if not self.clientIOWnd:
 170                         self.clientIOWnd = ClientIOTerminal.ClientIOWindow(self, \
 171                                         self.terminal.client_ptymaster)
 172                 else:
 173                         self.clientIOWnd.destroy()
 174                         self.clientIOWnd = None
 175
 176         def isClientIOWindowExisting(self):
 177                 return self.clientIOWnd != None
 178
 179
 180