annotate Lib/bdb.py @ 58925:eecf1bef052d 2.6

Merged revisions 78207 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r78207 | ezio.melotti | 2010-02-17 01:26:09 +0200 (Wed, 17 Feb 2010) | 1 line #7930: fix stripid ........
author Ezio Melotti <ezio.melotti@gmail.com>
date Tue, 16 Feb 2010 23:29:44 +0000
parents 4264cf00a75c
children 5fd09e410d36 c49bc330327c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 """Debugger basics"""
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2
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3 import sys
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4 import os
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5 import types
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6
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7 __all__ = ["BdbQuit","Bdb","Breakpoint"]
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8
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9 class BdbQuit(Exception):
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10 """Exception to give up completely"""
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11
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12
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13 class Bdb:
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14
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15 """Generic Python debugger base class.
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16
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17 This class takes care of details of the trace facility;
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18 a derived class should implement user interaction.
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19 The standard debugger class (pdb.Pdb) is an example.
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20 """
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21
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22 def __init__(self):
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23 self.breaks = {}
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24 self.fncache = {}
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25
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26 def canonic(self, filename):
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27 if filename == "<" + filename[1:-1] + ">":
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28 return filename
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29 canonic = self.fncache.get(filename)
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30 if not canonic:
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31 canonic = os.path.abspath(filename)
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32 canonic = os.path.normcase(canonic)
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33 self.fncache[filename] = canonic
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34 return canonic
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35
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36 def reset(self):
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37 import linecache
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38 linecache.checkcache()
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39 self.botframe = None
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40 self._set_stopinfo(None, None)
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41
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42 def trace_dispatch(self, frame, event, arg):
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43 if self.quitting:
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44 return # None
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45 if event == 'line':
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46 return self.dispatch_line(frame)
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47 if event == 'call':
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48 return self.dispatch_call(frame, arg)
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49 if event == 'return':
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50 return self.dispatch_return(frame, arg)
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51 if event == 'exception':
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52 return self.dispatch_exception(frame, arg)
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53 if event == 'c_call':
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54 return self.trace_dispatch
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55 if event == 'c_exception':
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56 return self.trace_dispatch
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57 if event == 'c_return':
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58 return self.trace_dispatch
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59 print 'bdb.Bdb.dispatch: unknown debugging event:', repr(event)
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60 return self.trace_dispatch
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61
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62 def dispatch_line(self, frame):
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63 if self.stop_here(frame) or self.break_here(frame):
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64 self.user_line(frame)
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65 if self.quitting: raise BdbQuit
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66 return self.trace_dispatch
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67
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68 def dispatch_call(self, frame, arg):
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69 # XXX 'arg' is no longer used
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70 if self.botframe is None:
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71 # First call of dispatch since reset()
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72 self.botframe = frame.f_back # (CT) Note that this may also be None!
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73 return self.trace_dispatch
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74 if not (self.stop_here(frame) or self.break_anywhere(frame)):
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75 # No need to trace this function
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76 return # None
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77 self.user_call(frame, arg)
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78 if self.quitting: raise BdbQuit
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79 return self.trace_dispatch
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80
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81 def dispatch_return(self, frame, arg):
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82 if self.stop_here(frame) or frame == self.returnframe:
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83 self.user_return(frame, arg)
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84 if self.quitting: raise BdbQuit
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85 return self.trace_dispatch
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86
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87 def dispatch_exception(self, frame, arg):
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88 if self.stop_here(frame):
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89 self.user_exception(frame, arg)
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90 if self.quitting: raise BdbQuit
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91 return self.trace_dispatch
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92
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93 # Normally derived classes don't override the following
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94 # methods, but they may if they want to redefine the
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95 # definition of stopping and breakpoints.
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96
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97 def stop_here(self, frame):
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98 # (CT) stopframe may now also be None, see dispatch_call.
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99 # (CT) the former test for None is therefore removed from here.
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100 if frame is self.stopframe:
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101 return frame.f_lineno >= self.stoplineno
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102 while frame is not None and frame is not self.stopframe:
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103 if frame is self.botframe:
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104 return True
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105 frame = frame.f_back
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106 return False
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107
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108 def break_here(self, frame):
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109 filename = self.canonic(frame.f_code.co_filename)
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110 if not filename in self.breaks:
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111 return False
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112 lineno = frame.f_lineno
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113 if not lineno in self.breaks[filename]:
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114 # The line itself has no breakpoint, but maybe the line is the
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115 # first line of a function with breakpoint set by function name.
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116 lineno = frame.f_code.co_firstlineno
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117 if not lineno in self.breaks[filename]:
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118 return False
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119
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120 # flag says ok to delete temp. bp
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121 (bp, flag) = effective(filename, lineno, frame)
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122 if bp:
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123 self.currentbp = bp.number
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124 if (flag and bp.temporary):
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125 self.do_clear(str(bp.number))
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126 return True
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127 else:
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128 return False
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129
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130 def do_clear(self, arg):
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131 raise NotImplementedError, "subclass of bdb must implement do_clear()"
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132
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133 def break_anywhere(self, frame):
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134 return self.canonic(frame.f_code.co_filename) in self.breaks
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135
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136 # Derived classes should override the user_* methods
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137 # to gain control.
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138
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139 def user_call(self, frame, argument_list):
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140 """This method is called when there is the remote possibility
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141 that we ever need to stop in this function."""
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142 pass
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143
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144 def user_line(self, frame):
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145 """This method is called when we stop or break at this line."""
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146 pass
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147
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148 def user_return(self, frame, return_value):
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149 """This method is called when a return trap is set here."""
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150 pass
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151
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152 def user_exception(self, frame, exc_info):
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153 exc_type, exc_value, exc_traceback = exc_info
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154 """This method is called if an exception occurs,
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155 but only if we are to stop at or just below this level."""
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156 pass
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157
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158 def _set_stopinfo(self, stopframe, returnframe, stoplineno=-1):
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159 self.stopframe = stopframe
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160 self.returnframe = returnframe
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161 self.quitting = 0
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162 self.stoplineno = stoplineno
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163
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164 # Derived classes and clients can call the following methods
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165 # to affect the stepping state.
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166
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167 def set_until(self, frame): #the name "until" is borrowed from gdb
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168 """Stop when the line with the line no greater than the current one is
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169 reached or when returning from current frame"""
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170 self._set_stopinfo(frame, frame, frame.f_lineno+1)
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171
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172 def set_step(self):
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173 """Stop after one line of code."""
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174 self._set_stopinfo(None,None)
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175
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176 def set_next(self, frame):
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177 """Stop on the next line in or below the given frame."""
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178 self._set_stopinfo(frame, None)
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179
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180 def set_return(self, frame):
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181 """Stop when returning from the given frame."""
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182 self._set_stopinfo(frame.f_back, frame)
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183
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184 def set_trace(self, frame=None):
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185 """Start debugging from `frame`.
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186
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187 If frame is not specified, debugging starts from caller's frame.
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188 """
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189 if frame is None:
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190 frame = sys._getframe().f_back
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191 self.reset()
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192 while frame:
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193 frame.f_trace = self.trace_dispatch
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194 self.botframe = frame
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195 frame = frame.f_back
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196 self.set_step()
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197 sys.settrace(self.trace_dispatch)
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198
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199 def set_continue(self):
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200 # Don't stop except at breakpoints or when finished
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201 self._set_stopinfo(self.botframe, None)
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202 if not self.breaks:
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203 # no breakpoints; run without debugger overhead
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204 sys.settrace(None)
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205 frame = sys._getframe().f_back
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206 while frame and frame is not self.botframe:
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207 del frame.f_trace
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208 frame = frame.f_back
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209
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210 def set_quit(self):
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211 self.stopframe = self.botframe
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212 self.returnframe = None
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213 self.quitting = 1
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214 sys.settrace(None)
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215
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216 # Derived classes and clients can call the following methods
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217 # to manipulate breakpoints. These methods return an
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218 # error message is something went wrong, None if all is well.
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219 # Set_break prints out the breakpoint line and file:lineno.
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220 # Call self.get_*break*() to see the breakpoints or better
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221 # for bp in Breakpoint.bpbynumber: if bp: bp.bpprint().
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222
33334
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
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diff changeset
223 def set_break(self, filename, lineno, temporary=0, cond = None,
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224 funcname=None):
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225 filename = self.canonic(filename)
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226 import linecache # Import as late as possible
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227 line = linecache.getline(filename, lineno)
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228 if not line:
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229 return 'Line %s:%d does not exist' % (filename,
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230 lineno)
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231 if not filename in self.breaks:
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232 self.breaks[filename] = []
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233 list = self.breaks[filename]
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234 if not lineno in list:
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235 list.append(lineno)
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04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
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diff changeset
236 bp = Breakpoint(filename, lineno, temporary, cond, funcname)
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diff changeset
237
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238 def clear_break(self, filename, lineno):
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239 filename = self.canonic(filename)
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240 if not filename in self.breaks:
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241 return 'There are no breakpoints in %s' % filename
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242 if lineno not in self.breaks[filename]:
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243 return 'There is no breakpoint at %s:%d' % (filename,
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diff changeset
244 lineno)
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245 # If there's only one bp in the list for that file,line
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diff changeset
246 # pair, then remove the breaks entry
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diff changeset
247 for bp in Breakpoint.bplist[filename, lineno][:]:
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248 bp.deleteMe()
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diff changeset
249 if not Breakpoint.bplist.has_key((filename, lineno)):
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diff changeset
250 self.breaks[filename].remove(lineno)
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diff changeset
251 if not self.breaks[filename]:
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252 del self.breaks[filename]
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253
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254 def clear_bpbynumber(self, arg):
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255 try:
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diff changeset
256 number = int(arg)
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diff changeset
257 except:
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diff changeset
258 return 'Non-numeric breakpoint number (%s)' % arg
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diff changeset
259 try:
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diff changeset
260 bp = Breakpoint.bpbynumber[number]
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diff changeset
261 except IndexError:
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diff changeset
262 return 'Breakpoint number (%d) out of range' % number
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diff changeset
263 if not bp:
e34991022571 Mass patch by Ka-Ping Yee:
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264 return 'Breakpoint (%d) already deleted' % number
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diff changeset
265 self.clear_break(bp.file, bp.line)
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06c7fff5274a Change clear_break() to the old signature clear_break(file, line).
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diff changeset
266
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267 def clear_all_file_breaks(self, filename):
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268 filename = self.canonic(filename)
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diff changeset
269 if not filename in self.breaks:
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270 return 'There are no breakpoints in %s' % filename
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271 for line in self.breaks[filename]:
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272 blist = Breakpoint.bplist[filename, line]
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273 for bp in blist:
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274 bp.deleteMe()
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275 del self.breaks[filename]
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276
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277 def clear_all_breaks(self):
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278 if not self.breaks:
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279 return 'There are no breakpoints'
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280 for bp in Breakpoint.bpbynumber:
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
281 if bp:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
282 bp.deleteMe()
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
283 self.breaks = {}
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Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
284
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
285 def get_break(self, filename, lineno):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
286 filename = self.canonic(filename)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23557
diff changeset
287 return filename in self.breaks and \
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
288 lineno in self.breaks[filename]
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parents: 11691
diff changeset
289
11691
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
290 def get_breaks(self, filename, lineno):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
291 filename = self.canonic(filename)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23557
diff changeset
292 return filename in self.breaks and \
11691
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
293 lineno in self.breaks[filename] and \
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
294 Breakpoint.bplist[filename, lineno] or []
15860
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parents: 11691
diff changeset
295
11691
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
296 def get_file_breaks(self, filename):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
297 filename = self.canonic(filename)
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23557
diff changeset
298 if filename in self.breaks:
11691
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
299 return self.breaks[filename]
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
300 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
301 return []
15860
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Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
302
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
303 def get_all_breaks(self):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
304 return self.breaks
15860
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Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
305
11691
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
306 # Derived classes and clients can call the following method
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
307 # to get a data structure representing a stack trace.
15860
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Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
308
11691
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Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
309 def get_stack(self, f, t):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
310 stack = []
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
311 if t and t.tb_frame is f:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
312 t = t.tb_next
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
313 while f is not None:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
314 stack.append((f, f.f_lineno))
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
315 if f is self.botframe:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
316 break
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
317 f = f.f_back
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
318 stack.reverse()
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
319 i = max(0, len(stack) - 1)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
320 while t is not None:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
321 stack.append((t.tb_frame, t.tb_lineno))
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
322 t = t.tb_next
49572
c6c32842e71d Merged revisions 67000 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48120
diff changeset
323 if f is None:
c6c32842e71d Merged revisions 67000 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48120
diff changeset
324 i = max(0, len(stack) - 1)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
325 return stack, i
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
326
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
327 #
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
328
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
329 def format_stack_entry(self, frame_lineno, lprefix=': '):
47221
9fbc41abdd4b Revert the renaming of repr to reprlib.
Brett Cannon <bcannon@gmail.com>
parents: 47085
diff changeset
330 import linecache, repr
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
331 frame, lineno = frame_lineno
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
332 filename = self.canonic(frame.f_code.co_filename)
31515
71a294bd7950 Replace backticks with repr() or "%r"
Walter Dörwald <walter@livinglogic.de>
parents: 28089
diff changeset
333 s = '%s(%r)' % (filename, lineno)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
334 if frame.f_code.co_name:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
335 s = s + frame.f_code.co_name
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
336 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
337 s = s + "<lambda>"
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23557
diff changeset
338 if '__args__' in frame.f_locals:
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
339 args = frame.f_locals['__args__']
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
340 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
341 args = None
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
342 if args:
47221
9fbc41abdd4b Revert the renaming of repr to reprlib.
Brett Cannon <bcannon@gmail.com>
parents: 47085
diff changeset
343 s = s + repr.repr(args)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
344 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
345 s = s + '()'
23620
a1de0bab5475 SF 563203. Replaced 'has_key()' with 'in'.
Raymond Hettinger <python@rcn.com>
parents: 23557
diff changeset
346 if '__return__' in frame.f_locals:
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
347 rv = frame.f_locals['__return__']
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
348 s = s + '->'
47221
9fbc41abdd4b Revert the renaming of repr to reprlib.
Brett Cannon <bcannon@gmail.com>
parents: 47085
diff changeset
349 s = s + repr.repr(rv)
50162
4264cf00a75c Merged revisions 67750-67751 via svnmerge from
Nick Coghlan <ncoghlan@gmail.com>
parents: 49572
diff changeset
350 line = linecache.getline(filename, lineno, frame.f_globals)
16479
d59663d3e433 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
351 if line: s = s + lprefix + line.strip()
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
352 return s
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
353
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
354 # The following two methods can be called by clients to use
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
355 # a debugger to debug a statement, given as a string.
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
356
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
357 def run(self, cmd, globals=None, locals=None):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
358 if globals is None:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
359 import __main__
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
360 globals = __main__.__dict__
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
361 if locals is None:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
362 locals = globals
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
363 self.reset()
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
364 sys.settrace(self.trace_dispatch)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
365 if not isinstance(cmd, types.CodeType):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
366 cmd = cmd+'\n'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
367 try:
46172
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
368 exec cmd in globals, locals
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
369 except BdbQuit:
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
370 pass
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
371 finally:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
372 self.quitting = 1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
373 sys.settrace(None)
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
374
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
375 def runeval(self, expr, globals=None, locals=None):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
376 if globals is None:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
377 import __main__
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
378 globals = __main__.__dict__
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
379 if locals is None:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
380 locals = globals
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
381 self.reset()
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
382 sys.settrace(self.trace_dispatch)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
383 if not isinstance(expr, types.CodeType):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
384 expr = expr+'\n'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
385 try:
46172
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
386 return eval(expr, globals, locals)
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
387 except BdbQuit:
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
388 pass
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
389 finally:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
390 self.quitting = 1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
391 sys.settrace(None)
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 786
diff changeset
392
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
393 def runctx(self, cmd, globals, locals):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
394 # B/W compatibility
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
395 self.run(cmd, globals, locals)
2437
62ebbcfea827 handle class exceptions; added runeval; made runctx obsolete
Guido van Rossum <guido@python.org>
parents: 2280
diff changeset
396
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
397 # This method is more useful to debug a single function call.
1006
903071377d29 Added a _v21 def to FL.py and added two new input field types
Guido van Rossum <guido@python.org>
parents: 786
diff changeset
398
33823
db8710f13650 SF bug #1052503: pdb runcall should accept keyword arguments
Raymond Hettinger <python@rcn.com>
parents: 33334
diff changeset
399 def runcall(self, func, *args, **kwds):
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
400 self.reset()
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
401 sys.settrace(self.trace_dispatch)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
402 res = None
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
403 try:
46172
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
404 res = func(*args, **kwds)
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
405 except BdbQuit:
9734a42cfa15 #2498 modernized try, except, finally statements in bdb
Benjamin Peterson <benjamin@python.org>
parents: 38147
diff changeset
406 pass
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
407 finally:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
408 self.quitting = 1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
409 sys.settrace(None)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
410 return res
622
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
411
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
412
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
413 def set_trace():
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
414 Bdb().set_trace()
1746
1940892d2fe3 Merge alpha100 branch back to main trunk
Guido van Rossum <guido@python.org>
parents: 1435
diff changeset
415
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
416
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
417 class Breakpoint:
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
418
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
419 """Breakpoint class
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
420
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
421 Implements temporary breakpoints, ignore counts, disabling and
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
422 (re)-enabling, and conditionals.
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
423
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
424 Breakpoints are indexed by number through bpbynumber and by
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
425 the file,line tuple using bplist. The former points to a
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
426 single instance of class Breakpoint. The latter points to a
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
427 list of such instances since there may be more than one
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
428 breakpoint per line.
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
429
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
430 """
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
431
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
432 # XXX Keeping state in the class is a mistake -- this means
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
433 # you cannot have more than one active Bdb instance.
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
434
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
435 next = 1 # Next bp to be assigned
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
436 bplist = {} # indexed by (file, lineno) tuple
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
437 bpbynumber = [None] # Each entry is None or an instance of Bpt
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
438 # index 0 is unused, except for marking an
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
439 # effective break .... see effective()
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
440
33334
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
441 def __init__(self, file, line, temporary=0, cond=None, funcname=None):
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
442 self.funcname = funcname
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
443 # Needed if funcname is not None.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
444 self.func_first_executable_line = None
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
445 self.file = file # This better be in canonical form!
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
446 self.line = line
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
447 self.temporary = temporary
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
448 self.cond = cond
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
449 self.enabled = 1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
450 self.ignore = 0
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
451 self.hits = 0
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
452 self.number = Breakpoint.next
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
453 Breakpoint.next = Breakpoint.next + 1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
454 # Build the two lists
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
455 self.bpbynumber.append(self)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
456 if self.bplist.has_key((file, line)):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
457 self.bplist[file, line].append(self)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
458 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
459 self.bplist[file, line] = [self]
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
460
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
461
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
462 def deleteMe(self):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
463 index = (self.file, self.line)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
464 self.bpbynumber[self.number] = None # No longer in list
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
465 self.bplist[index].remove(self)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
466 if not self.bplist[index]:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
467 # No more bp for this f:l combo
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
468 del self.bplist[index]
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
469
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
470 def enable(self):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
471 self.enabled = 1
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
472
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
473 def disable(self):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
474 self.enabled = 0
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
475
38147
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
476 def bpprint(self, out=None):
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
477 if out is None:
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
478 out = sys.stdout
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
479 if self.temporary:
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
480 disp = 'del '
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
481 else:
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
482 disp = 'keep '
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
483 if self.enabled:
37734
4c6d4698a115 Patch #1191700: Adjust column alignment in bdb breakpoint lists.
Martin v. Löwis <martin@v.loewis.de>
parents: 33924
diff changeset
484 disp = disp + 'yes '
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
485 else:
37734
4c6d4698a115 Patch #1191700: Adjust column alignment in bdb breakpoint lists.
Martin v. Löwis <martin@v.loewis.de>
parents: 33924
diff changeset
486 disp = disp + 'no '
38147
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
487 print >>out, '%-4dbreakpoint %s at %s:%d' % (self.number, disp,
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
488 self.file, self.line)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
489 if self.cond:
38147
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
490 print >>out, '\tstop only if %s' % (self.cond,)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
491 if self.ignore:
38147
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
492 print >>out, '\tignore next %d hits' % (self.ignore)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
493 if (self.hits):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
494 if (self.hits > 1): ss = 's'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
495 else: ss = ''
38147
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
496 print >>out, ('\tbreakpoint already hit %d time%s' %
7fe49dbcbbda Patch #721464: pdb.Pdb instances can now be given explicit stdin and
Georg Brandl <georg@python.org>
parents: 37734
diff changeset
497 (self.hits, ss))
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
498
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
499 # -----------end of Breakpoint class----------
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
500
33334
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
501 def checkfuncname(b, frame):
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
502 """Check whether we should break here because of `b.funcname`."""
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
503 if not b.funcname:
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
504 # Breakpoint was set via line number.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
505 if b.line != frame.f_lineno:
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
506 # Breakpoint was set at a line with a def statement and the function
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
507 # defined is called: don't break.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
508 return False
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
509 return True
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
510
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
511 # Breakpoint set via function name.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
512
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
513 if frame.f_code.co_name != b.funcname:
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
514 # It's not a function call, but rather execution of def statement.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
515 return False
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
516
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
517 # We are in the right frame.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
518 if not b.func_first_executable_line:
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
519 # The function is entered for the 1st time.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
520 b.func_first_executable_line = frame.f_lineno
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
521
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
522 if b.func_first_executable_line != frame.f_lineno:
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
523 # But we are not at the first line number: don't break.
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
524 return False
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
525 return True
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
526
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
527 # Determines if there is an effective (active) breakpoint at this
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
528 # line of code. Returns breakpoint number or 0 if none
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
529 def effective(file, line, frame):
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
530 """Determine which breakpoint for this file:line is to be acted upon.
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
531
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
532 Called only if we know there is a bpt at this
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
533 location. Returns breakpoint that was triggered and a flag
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
534 that indicates if it is ok to delete a temporary bp.
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
535
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
536 """
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
537 possibles = Breakpoint.bplist[file,line]
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
538 for i in range(0, len(possibles)):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
539 b = possibles[i]
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
540 if b.enabled == 0:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
541 continue
33334
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
542 if not checkfuncname(b, frame):
04245ef53949 Patch #1003640: replace checkline() function parsing with new breakpoint logic:
Johannes Gijsbers <jlg@dds.nl>
parents: 31796
diff changeset
543 continue
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
544 # Count every hit when bp is enabled
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
545 b.hits = b.hits + 1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
546 if not b.cond:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
547 # If unconditional, and ignoring,
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
548 # go on to next, else break
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
549 if b.ignore > 0:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
550 b.ignore = b.ignore -1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
551 continue
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
552 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
553 # breakpoint and marker that's ok
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
554 # to delete if temporary
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
555 return (b,1)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
556 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
557 # Conditional bp.
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
558 # Ignore count applies only to those bpt hits where the
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
559 # condition evaluates to true.
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
560 try:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
561 val = eval(b.cond, frame.f_globals,
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
562 frame.f_locals)
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
563 if val:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
564 if b.ignore > 0:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
565 b.ignore = b.ignore -1
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
566 # continue
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
567 else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
568 return (b,1)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
569 # else:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
570 # continue
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
571 except:
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
572 # if eval fails, most conservative
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
573 # thing is to stop on breakpoint
15860
083a5c75ed90 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 11691
diff changeset
574 # regardless of ignore count.
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
575 # Don't delete temporary,
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
576 # as another hint to user.
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
577 return (b,0)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
578 return (None, None)
9090
26f5bfd715a4 Richard Wolff's changes:
Guido van Rossum <guido@python.org>
parents: 6347
diff changeset
579
622
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
580 # -------------------- testing --------------------
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
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581
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
582 class Tdb(Bdb):
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
583 def user_call(self, frame, args):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
584 name = frame.f_code.co_name
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
585 if not name: name = '???'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
586 print '+++ call', name, args
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
587 def user_line(self, frame):
16479
d59663d3e433 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
588 import linecache
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
589 name = frame.f_code.co_name
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
590 if not name: name = '???'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
591 fn = self.canonic(frame.f_code.co_filename)
50162
4264cf00a75c Merged revisions 67750-67751 via svnmerge from
Nick Coghlan <ncoghlan@gmail.com>
parents: 49572
diff changeset
592 line = linecache.getline(fn, frame.f_lineno, frame.f_globals)
16479
d59663d3e433 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
593 print '+++', fn, frame.f_lineno, name, ':', line.strip()
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
594 def user_return(self, frame, retval):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
595 print '+++ return', retval
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
596 def user_exception(self, frame, exc_stuff):
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
597 print '+++ exception', exc_stuff
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
598 self.set_continue()
622
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
599
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
600 def foo(n):
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
601 print 'foo(', n, ')'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
602 x = bar(n*10)
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
603 print 'bar returned', x
622
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
604
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
605 def bar(a):
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
606 print 'bar(', a, ')'
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
607 return a/2
622
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
608
a0d4c5ef1d5d Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
609 def test():
11691
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
610 t = Tdb()
e34991022571 Mass patch by Ka-Ping Yee:
Guido van Rossum <guido@python.org>
parents: 11668
diff changeset
611 t.run('import bdb; bdb.foo(10)')
16479
d59663d3e433 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
612
d59663d3e433 String method conversion.
Eric S. Raymond <esr@thyrsus.com>
parents: 16070
diff changeset
613 # end