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
89 matcher = difflib.SequenceMatcher(self.isjunk, self.a, self.b)
90 for tag, alo, ahi, blo, bhi in matcher.get_opcodes():
92 self.replace(alo, ahi, blo, bhi)
98 self.equal(alo, ahi, blo, bhi)
100 raise ValueError, 'unknown tag %s' % (tag,)
102 def isjunk(self, call):
103 return call.functionName == 'glGetError' and call.ret in ('GL_NO_ERROR', 0)
105 def replace(self, alo, ahi, blo, bhi):
106 assert alo < ahi and blo < bhi
108 a_names = [call.functionName for call in self.a[alo:ahi]]
109 b_names = [call.functionName for call in self.b[blo:bhi]]
111 matcher = difflib.SequenceMatcher(None, a_names, b_names)
112 for tag, _alo, _ahi, _blo, _bhi in matcher.get_opcodes():
118 self.replace_dissimilar(_alo, _ahi, _blo, _bhi)
119 elif tag == 'delete':
120 self.delete(_alo, _ahi)
121 elif tag == 'insert':
122 self.insert(_blo, _bhi)
124 self.replace_similar(_alo, _ahi, _blo, _bhi)
126 raise ValueError, 'unknown tag %s' % (tag,)
128 def replace_similar(self, alo, ahi, blo, bhi, prefix = None):
129 assert alo < ahi and blo < bhi
130 assert ahi - alo == bhi - blo
132 prefix = self.replace_prefix
133 for i in xrange(0, bhi - blo):
134 a_call = self.a[alo + i]
135 b_call = self.b[blo + i]
136 assert a_call.functionName == b_call.functionName
137 assert len(a_call.args) == len(b_call.args)
140 self.replace_value(a_call.no, b_call.no)
141 self.highlighter.write(' ')
142 self.highlighter.bold(True)
143 self.highlighter.write(b_call.functionName)
144 self.highlighter.bold(False)
145 self.highlighter.write('(')
147 for j in xrange(len(b_call.args)):
148 self.highlighter.write(sep)
149 self.replace_value(a_call.args[j], b_call.args[j])
151 self.highlighter.write(')')
152 if a_call.ret is not None or b_call.ret is not None:
153 self.highlighter.write(' = ')
154 self.replace_value(a_call.ret, b_call.ret)
155 self.highlighter.write('\n')
157 def replace_dissimilar(self, alo, ahi, blo, bhi):
158 assert alo < ahi and blo < bhi
159 if bhi - blo < ahi - alo:
160 first = self.insert(blo, bhi)
161 second = self.delete(alo, ahi)
163 first = self.delete(alo, ahi)
164 second = self.insert(blo, bhi)
166 for g in first, second:
170 def replace_value(self, a, b):
172 self.highlighter.write(str(b))
174 self.highlighter.strike()
175 self.highlighter.color(self.delete_color)
176 self.highlighter.write(str(a))
177 self.highlighter.normal()
178 #self.highlighter.write(" -> ")
179 self.highlighter.write(" ")
180 self.highlighter.color(self.insert_color)
181 self.highlighter.write(str(b))
182 self.highlighter.normal()
186 def delete(self, alo, ahi):
187 self.dump(self.delete_prefix, self.a, alo, ahi, self.normal_suffix)
189 def insert(self, blo, bhi):
190 self.dump(self.insert_prefix, self.b, blo, bhi, self.normal_suffix)
192 def equal(self, alo, ahi, blo, bhi):
194 self.replace_similar(alo, ahi, blo, bhi, prefix=self.equal_prefix)
196 self.dump(self.equal_prefix, self.b, blo, bhi, self.normal_suffix)
198 def dump(self, prefix, x, lo, hi, suffix):
199 for i in xrange(lo, hi):
203 self.highlighter.write(str(call.no) + ' ')
204 self.highlighter.bold(True)
205 self.highlighter.write(call.functionName)
206 self.highlighter.bold(False)
207 self.highlighter.write('(' + ', '.join(map(repr, call.args)) + ')')
208 if call.ret is not None:
209 self.highlighter.write(' = ' + repr(call.ret))
211 self.highlighter.write('\n')
213 def delete_prefix(self):
214 self.highlighter.write('- ')
215 self.highlighter.strike()
216 self.highlighter.color(self.delete_color)
218 def insert_prefix(self):
219 self.highlighter.write('+ ')
220 self.highlighter.color(self.insert_color)
222 def equal_prefix(self):
223 self.highlighter.write(' ')
225 def normal_suffix(self):
226 self.highlighter.normal()
228 def replace_prefix(self):
229 self.highlighter.write('| ')
236 # Parse command line options
237 optparser = optparse.OptionParser(
238 usage='\n\t%prog <trace> <trace>',
240 optparser.add_option(
241 '-a', '--apitrace', metavar='PROGRAM',
242 type='string', dest='apitrace', default='apitrace',
243 help='apitrace command [default: %default]')
244 optparser.add_option(
245 '-c', '--calls', metavar='CALLSET',
246 type="string", dest="calls", default='1-10000',
247 help="calls to compare [default: %default]")
248 optparser.add_option(
249 '--ref-calls', metavar='CALLSET',
250 type="string", dest="ref_calls", default=None,
251 help="calls to compare from reference trace")
252 optparser.add_option(
253 '--src-calls', metavar='CALLSET',
254 type="string", dest="src_calls", default=None,
255 help="calls to compare from source trace")
256 optparser.add_option(
259 dest="call_nos", default=False,
260 help="dump call numbers")
262 (options, args) = optparser.parse_args(sys.argv[1:])
264 optparser.error("incorrect number of arguments")
266 if options.ref_calls is None:
267 options.ref_calls = options.calls
268 if options.src_calls is None:
269 options.src_calls = options.calls
271 ref_calls = readtrace(args[0], options.ref_calls)
272 src_calls = readtrace(args[1], options.src_calls)
274 if sys.stdout.isatty():
275 highlighter = LessHighlighter()
277 highlighter = ColorHighlighter()
279 differ = SDiffer(ref_calls, src_calls, highlighter, options.call_nos)
283 if __name__ == '__main__':