__author__ = "shuber"
+import gobject
import gtk
+import os
import pango
import pty
import string
+import sys
import time
import threading
import vte
class DbgTerminal (vte.Terminal):
- isactive = True
- lastrow = 0
- history = []
-
-
def __init__(self, clientCmd):
vte.Terminal.__init__(self)
+ #Set members
+ self.childpid = None
+ self.history = [""]
+ self.isactive = True
+ self.lastc, self.lastr = 0,0
+ self.gotActiveCallback = []
+ self.gotInactiveCallback = []
+ self.activityChanged = None
+
#Start debugger
self.clientCmd = clientCmd
#Open pseudo-terminal where to-be-debugged process reads/writes to
#Set up terminal window and initialize debugger
self.connect("cursor-moved", self.contents_changed)
- self.connect("child-exited", lambda *w: gtk.main_quit())
+ self.connect("child-exited", quitHandler)
+ gobject.timeout_add(50, self.checkActivityChanged)
#font description
fontdesc = pango.FontDescription("monospace 9")
def initialize(self):
- self.fork_command( self.getCommand(), self.getArgv())
+ self.childpid = self.fork_command( self.getCommand(), self.getArgv())
+ self.waitForActivation(0)
self.setPty(self.client_ptyslave)
- self.waitForActivation()
+
+ def stopDbg(self):
+
+ if self.childpid != None:
+ #9=KILL, 15=TERM
+ os.kill(self.childpid, 15);
+ self.childpid = None
+
+ def checkActivityChanged(self):
+
+ try:
+
+ #There was activity
+ if self.activityChanged != None:
+
+ res = self.activityChanged
+ self.activityChanged = None
+
+ status, param = res
+ if self.isActive():
+ for cb in self.gotActiveCallback:
+ cb(status, param)
+ else:
+ for cb in self.gotInactiveCallback:
+ cb(status, param)
+ except:
+ pass
+
+ return True
+
def contents_changed(self, term):
+ assert( self.getHistoryLen()>0 )
+
c,r = term.get_cursor_position()
+ text = self.get_text_range(self.lastr,self.lastc,r,c-1,lambda *w:True)
+ self.lastc, self.lastr = c,r
+
+ #Remove annoying \n at the end
+ assert(text[-1] == "\n")
+ text = text[:-1]
+ #Get the lines and remove empty lines
+ lines = string.split(text, "\n")
- if self.lastrow <= r:
- text = self.get_text_range(self.lastrow,0,r,-1,lambda *w:True)
+ #Remove the incomplete line
+ len = max(0,self.getHistoryLen()-1)
+ self.history[-1] += lines[0]
+ self.history += lines[1:]
- #Remove the incomplete line
- if self.getHistoryLen()>0 and (len(self.history[-1])==0 or self.history[-1]!='\n') :
- del self.history[-1]
- #Get the lines and remove empty lines
- lines = string.split(text, "\n")
+ #Check if activity status has been changed
+ for i in range(len, self.getHistoryLen()):
+ line = self.history[i]
- #Remove last empty line...
- if lines[-1] == "":
- del lines[-1]
+ res = self.testForActivity(i)
+ if res != None and not self.isActive():
+ self.setActive(True)
+ self.activityChanged = res
+
+ res = self.testForInactivity(i)
+ if res != None and self.isActive():
+ self.setActive(False)
+ self.activityChanged = res
- #Add lines to history
- self.history += [l+"\n" for l in lines[:-1]]
- self.history += [lines[-1]]
- self.lastrow = r
def waitForNewline(self):
- r = self.lastrow
- while not self.lastrow > r:
+ l = self.getHistoryLen()
+ while not self.getHistoryLen() > l:
gtk.main_iteration()
def getHistoryLen(self):
return len(self.history)
- def waitForRx(self, rx, start=None):
-
- if start == None:
- start = self.getHistoryLen()
- if start < 0:
- start = 0
-
+ def waitForRx(self, rx, start):
+ curr = start
while True:
- for no in range(start, self.getHistoryLen()):
+ assert( curr>=start )
+ for no in range(curr, self.getHistoryLen()):
line = self.history[no]
if rx.search(line):
return no, line
- start = self.getHistoryLen()
+ #Do not forget the last line
+ curr = max(start,self.getHistoryLen()-1)
gtk.main_iteration()
def waitForActivation(self, his):
raise NotImplementedError()
+ def testForActivity(self, his):
+ raise NotImplementedError()
+
+ def testForInactivity(self, his):
+ raise NotImplementedError()
+
def setActive(self, isactive):
self.isactive = isactive
return self.isactive
-
+
+def quitHandler(*w):
+ try:
+ gtk.main_quit()
+ except:
+ pass
#Set up GTK stuff
gtk.Window.__init__(self)
- self.connect("destroy", lambda *w: gtk.main_quit())
+ self.connect("destroy", quitHandler)
#Set title and add terminal
self.set_title("Debugger I/O")