mirror of https://github.com/python/cpython.git
147 lines
3.8 KiB
Python
147 lines
3.8 KiB
Python
# wdbframewin.py -- frame window for wdb.py
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# XXX To do:
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# - display function name in window title
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# - execute arbitrary statements instead of just evaluating expressions
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# - allow setting variables by editing their values
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import stdwin
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from stdwinevents import *
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import basewin
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import sys
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WIDTH = 40
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MINHEIGHT = 8
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MAXHEIGHT = 16
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class FrameWindow(basewin.BaseWindow):
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def __init__(self, debugger, frame, dict, name):
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self.debugger = debugger
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self.frame = frame # Not used except for identity tests
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self.dict = dict
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self.name = name
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nl = max(MINHEIGHT, len(self.dict) + 5)
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nl = min(nl, MAXHEIGHT)
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width = WIDTH*stdwin.textwidth('0')
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height = nl*stdwin.lineheight()
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stdwin.setdefwinsize(width, height)
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basewin.BaseWindow.__init__(
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self, '--Frame ' + name + '--')
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# XXX Should use current function name
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self.initeditor()
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self.displaylist = ['>>>', '', '-'*WIDTH]
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self.refreshframe()
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def initeditor(self):
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r = (stdwin.textwidth('>>> '), 0), (30000, stdwin.lineheight())
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self.editor = self.win.textcreate(r)
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def closeeditor(self):
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self.editor.close()
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def dispatch(self, event):
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type, win, detail = event
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if type == WE_NULL: return # Dummy tested by mainloop
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if type in (WE_DRAW, WE_COMMAND) \
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or not self.editor.event(event):
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basewin.BaseWindow.dispatch(self, event)
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def close(self):
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del self.debugger.framewindows[self.name]
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del self.debugger, self.dict
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self.closeeditor()
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basewin.BaseWindow.close(self)
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def command(self, detail):
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if detail == WC_RETURN:
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self.re_eval()
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else:
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dummy = self.editor.event(WE_COMMAND, \
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self.win, detail)
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def mouse_down(self, detail):
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(h, v), clicks, button, mask = detail
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if clicks != 2:
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return
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i = v / stdwin.lineheight()
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if 5 <= i < len(self.displaylist):
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import string
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name = string.splitfields(self.displaylist[i],' = ')[0]
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if not self.dict.has_key(name):
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stdwin.fleep()
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return
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value = self.dict[name]
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if not hasattr(value, '__dict__'):
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stdwin.fleep()
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return
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name = 'instance ' + `value`
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if self.debugger.framewindows.has_key(name):
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self.debugger.framewindows[name].popup()
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else:
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self.debugger.framewindows[name] = \
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FrameWindow(self.debugger,
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self.frame, value.__dict__,
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name)
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return
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stdwin.fleep()
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def re_eval(self):
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import string, repr
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expr = string.strip(self.editor.gettext())
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if expr == '':
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output = ''
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else:
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globals = self.frame.f_globals
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globals['__privileged__'] = 1
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locals = self.dict
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try:
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value = eval(expr, globals, locals)
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output = repr.repr(value)
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except:
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if type(sys.exc_type) == type(''):
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exc_type_name = sys.exc_type
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else: exc_type_name = sys.exc_type.__name__
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output = exc_type_name + ': ' + `sys.exc_value`
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self.displaylist[1] = output
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lh = stdwin.lineheight()
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r = (-10, 0), (30000, 2*lh)
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self.win.change(r)
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self.editor.setfocus(0, len(expr))
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def draw(self, detail):
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(left, top), (right, bottom) = detail
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dummy = self.editor.draw(detail)
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d = self.win.begindrawing()
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try:
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lh = d.lineheight()
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h, v = 0, 0
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for line in self.displaylist:
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if v+lh > top and v < bottom:
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d.text((h, v), line)
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v = v + lh
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finally:
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d.close()
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def refreshframe(self):
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import repr
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del self.displaylist[3:]
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self.re_eval()
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names = self.dict.keys()
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for key, label in ('__args__', 'Args: '), \
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('__return__', 'Return: '):
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if self.dict.has_key(key):
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names.remove(key)
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value = self.dict[key]
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label = label + repr.repr(value)
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self.displaylist.append(label)
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names.sort()
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for name in names:
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value = self.dict[name]
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line = name + ' = ' + repr.repr(value)
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self.displaylist.append(line)
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self.win.setdocsize(0, \
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stdwin.lineheight() * len(self.displaylist))
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self.refreshall() # XXX Be more subtle later
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