2 ##########################################################################
4 # Copyright 2011 Jose Fonseca
7 # Permission is hereby granted, free of charge, to any person obtaining a copy
8 # of this software and associated documentation files (the "Software"), to deal
9 # in the Software without restriction, including without limitation the rights
10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 # copies of the Software, and to permit persons to whom the Software is
12 # furnished to do so, subject to the following conditions:
14 # The above copyright notice and this permission notice shall be included in
15 # all copies or substantial portions of the Software.
17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 ##########################################################################/
34 from unpickle import Unpickler
35 from highlight import ColorHighlighter, LessHighlighter
38 ignoredFunctionNames = set([
41 'glXGetCurrentDisplay',
43 'glXGetProcAddressARB',
48 class Loader(Unpickler):
50 def __init__(self, stream):
51 Unpickler.__init__(self, stream)
54 def handleCall(self, call):
55 if call.functionName not in ignoredFunctionNames:
56 self.calls.append(call)
60 def readtrace(trace, calls):
69 stdout = subprocess.PIPE,
73 parser = Loader(p.stdout)
80 def __init__(self, a, b, highlighter, callNos = False):
83 self.highlighter = highlighter
84 self.delete_color = highlighter.red
85 self.insert_color = highlighter.green
86 self.callNos = callNos
91 matcher = difflib.SequenceMatcher(self.isjunk, self.a, self.b)
92 for tag, alo, ahi, blo, bhi in matcher.get_opcodes():
94 self.replace(alo, ahi, blo, bhi)
96 self.delete(alo, ahi, blo, bhi)
98 self.insert(alo, ahi, blo, bhi)
100 self.equal(alo, ahi, blo, bhi)
102 raise ValueError, 'unknown tag %s' % (tag,)
104 def isjunk(self, call):
105 return call.functionName == 'glGetError' and call.ret in ('GL_NO_ERROR', 0)
107 def replace(self, alo, ahi, blo, bhi):
108 assert alo < ahi and blo < bhi
110 a_names = [call.functionName for call in self.a[alo:ahi]]
111 b_names = [call.functionName for call in self.b[blo:bhi]]
113 matcher = difflib.SequenceMatcher(None, a_names, b_names)
114 for tag, _alo, _ahi, _blo, _bhi in matcher.get_opcodes():
120 self.replace_dissimilar(_alo, _ahi, _blo, _bhi)
121 elif tag == 'delete':
122 self.delete(_alo, _ahi, _blo, _bhi)
123 elif tag == 'insert':
124 self.insert(_alo, _ahi, _blo, _bhi)
126 self.replace_similar(_alo, _ahi, _blo, _bhi)
128 raise ValueError, 'unknown tag %s' % (tag,)
130 def replace_similar(self, alo, ahi, blo, bhi):
131 assert alo < ahi and blo < bhi
132 assert ahi - alo == bhi - blo
133 for i in xrange(0, bhi - blo):
134 self.highlighter.write('| ')
135 a_call = self.a[alo + i]
136 b_call = self.b[blo + i]
137 assert a_call.functionName == b_call.functionName
138 assert len(a_call.args) == len(b_call.args)
139 self.dumpCallNos(a_call.no, b_call.no)
140 self.highlighter.bold(True)
141 self.highlighter.write(b_call.functionName)
142 self.highlighter.bold(False)
143 self.highlighter.write('(')
145 for j in xrange(len(b_call.args)):
146 self.highlighter.write(sep)
147 self.replace_value(a_call.args[j], b_call.args[j])
149 self.highlighter.write(')')
150 if a_call.ret is not None or b_call.ret is not None:
151 self.highlighter.write(' = ')
152 self.replace_value(a_call.ret, b_call.ret)
153 self.highlighter.write('\n')
155 def replace_dissimilar(self, alo, ahi, blo, bhi):
156 assert alo < ahi and blo < bhi
157 if bhi - blo < ahi - alo:
158 first = self.insert(blo, bhi)
159 second = self.delete(alo, ahi)
161 first = self.delete(alo, ahi)
162 second = self.insert(blo, bhi)
164 for g in first, second:
168 def replace_value(self, a, b):
170 self.highlighter.write(str(b))
172 self.highlighter.strike()
173 self.highlighter.color(self.delete_color)
174 self.highlighter.write(str(a))
175 self.highlighter.normal()
176 self.highlighter.write(" ")
177 self.highlighter.color(self.insert_color)
178 self.highlighter.write(str(b))
179 self.highlighter.normal()
183 def delete(self, alo, ahi, blo, bhi):
184 for i in xrange(alo, ahi):
186 self.highlighter.write('- ')
187 self.dumpCallNos(call.no, None)
188 self.highlighter.strike()
189 self.highlighter.color(self.delete_color)
192 def insert(self, alo, ahi, blo, bhi):
193 for i in xrange(blo, bhi):
195 self.highlighter.write('+ ')
196 self.dumpCallNos(None, call.no)
197 self.highlighter.color(self.insert_color)
200 def equal(self, alo, ahi, blo, bhi):
201 for i in xrange(0, bhi - blo):
202 self.highlighter.write(' ')
203 a_call = self.a[alo + i]
204 b_call = self.b[blo + i]
205 assert a_call.functionName == b_call.functionName
206 assert len(a_call.args) == len(b_call.args)
207 self.dumpCallNos(a_call.no, b_call.no)
208 self.dumpCall(b_call)
210 def dumpCallNos(self, aNo, bNo):
215 self.highlighter.write(' '*self.aSpace)
218 self.highlighter.strike()
219 self.highlighter.color(self.delete_color)
220 self.highlighter.write(str(aNo))
221 self.highlighter.normal()
222 self.aSpace = len(aStr)
223 self.highlighter.write(' ')
225 self.highlighter.write(' '*self.aSpace)
228 self.highlighter.color(self.insert_color)
229 self.highlighter.write(str(bNo))
230 self.highlighter.normal()
231 self.bSpace = len(bStr)
232 self.highlighter.write(' ')
234 def dumpCall(self, call):
235 self.highlighter.bold(True)
236 self.highlighter.write(call.functionName)
237 self.highlighter.bold(False)
238 self.highlighter.write('(' + ', '.join(map(repr, call.args)) + ')')
239 if call.ret is not None:
240 self.highlighter.write(' = ' + repr(call.ret))
241 self.highlighter.normal()
242 self.highlighter.write('\n')
249 # Parse command line options
250 optparser = optparse.OptionParser(
251 usage='\n\t%prog <trace> <trace>',
253 optparser.add_option(
254 '-a', '--apitrace', metavar='PROGRAM',
255 type='string', dest='apitrace', default='apitrace',
256 help='apitrace command [default: %default]')
257 optparser.add_option(
258 '-c', '--calls', metavar='CALLSET',
259 type="string", dest="calls", default='1-10000',
260 help="calls to compare [default: %default]")
261 optparser.add_option(
262 '--ref-calls', metavar='CALLSET',
263 type="string", dest="ref_calls", default=None,
264 help="calls to compare from reference trace")
265 optparser.add_option(
266 '--src-calls', metavar='CALLSET',
267 type="string", dest="src_calls", default=None,
268 help="calls to compare from source trace")
269 optparser.add_option(
272 dest="call_nos", default=False,
273 help="dump call numbers")
275 (options, args) = optparser.parse_args(sys.argv[1:])
277 optparser.error("incorrect number of arguments")
279 if options.ref_calls is None:
280 options.ref_calls = options.calls
281 if options.src_calls is None:
282 options.src_calls = options.calls
284 ref_calls = readtrace(args[0], options.ref_calls)
285 src_calls = readtrace(args[1], options.src_calls)
287 if sys.stdout.isatty():
288 highlighter = LessHighlighter()
290 highlighter = ColorHighlighter()
292 differ = SDiffer(ref_calls, src_calls, highlighter, options.call_nos)
296 if __name__ == '__main__':