+++ /dev/null
-#!/usr/bin/env python
-##########################################################################
-#
-# Copyright 2011-2012 Jose Fonseca
-# All Rights Reserved.
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to deal
-# in the Software without restriction, including without limitation the rights
-# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-# copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-# THE SOFTWARE.
-#
-##########################################################################/
-
-
-import difflib
-import itertools
-import optparse
-import os.path
-import subprocess
-import sys
-
-from unpickle import Unpickler, Dumper, Rebuilder
-from highlight import ColorHighlighter, LessHighlighter
-
-
-ignoredFunctionNames = set([
- 'glGetString',
- 'glXGetClientString',
- 'glXGetCurrentDisplay',
- 'glXGetCurrentContext',
- 'glXGetProcAddress',
- 'glXGetProcAddressARB',
- 'wglGetProcAddress',
-])
-
-
-class Blob:
- '''Data-less proxy for bytearrays, to save memory.'''
-
- def __init__(self, size, hash):
- self.size = size
- self.hash = hash
-
- def __repr__(self):
- return 'blob(%u)' % self.size
-
- def __eq__(self, other):
- return isinstance(other, Blob) and self.size == other.size and self.hash == other.hash
-
- def __hash__(self):
- return self.hash
-
-
-class BlobReplacer(Rebuilder):
- '''Replace blobs with proxys.'''
-
- def visitByteArray(self, obj):
- return Blob(len(obj), hash(str(obj)))
-
- def visitCall(self, call):
- call.args = map(self.visit, call.args)
- call.ret = self.visit(call.ret)
-
-
-class Loader(Unpickler):
-
- def __init__(self, stream):
- Unpickler.__init__(self, stream)
- self.calls = []
- self.rebuilder = BlobReplacer()
-
- def handleCall(self, call):
- if call.functionName not in ignoredFunctionNames:
- self.rebuilder.visitCall(call)
- self.calls.append(call)
-
-
-def readtrace(trace, calls):
- p = subprocess.Popen(
- args = [
- options.apitrace,
- 'pickle',
- '--symbolic',
- '--calls=' + calls,
- trace
- ],
- stdout = subprocess.PIPE,
- )
-
- parser = Loader(p.stdout)
- parser.parse()
- return parser.calls
-
-
-class SDiffer:
-
- def __init__(self, a, b, highlighter, callNos = False):
- self.a = a
- self.b = b
- self.highlighter = highlighter
- self.delete_color = highlighter.red
- self.insert_color = highlighter.green
- self.callNos = callNos
- self.aSpace = 0
- self.bSpace = 0
- self.dumper = Dumper()
-
- def diff(self):
- matcher = difflib.SequenceMatcher(self.isjunk, self.a, self.b)
- for tag, alo, ahi, blo, bhi in matcher.get_opcodes():
- if tag == 'replace':
- self.replace(alo, ahi, blo, bhi)
- elif tag == 'delete':
- self.delete(alo, ahi, blo, bhi)
- elif tag == 'insert':
- self.insert(alo, ahi, blo, bhi)
- elif tag == 'equal':
- self.equal(alo, ahi, blo, bhi)
- else:
- raise ValueError, 'unknown tag %s' % (tag,)
-
- def isjunk(self, call):
- return call.functionName == 'glGetError' and call.ret in ('GL_NO_ERROR', 0)
-
- def replace(self, alo, ahi, blo, bhi):
- assert alo < ahi and blo < bhi
-
- a_names = [call.functionName for call in self.a[alo:ahi]]
- b_names = [call.functionName for call in self.b[blo:bhi]]
-
- matcher = difflib.SequenceMatcher(None, a_names, b_names)
- for tag, _alo, _ahi, _blo, _bhi in matcher.get_opcodes():
- _alo += alo
- _ahi += alo
- _blo += blo
- _bhi += blo
- if tag == 'replace':
- self.replace_dissimilar(_alo, _ahi, _blo, _bhi)
- elif tag == 'delete':
- self.delete(_alo, _ahi, _blo, _bhi)
- elif tag == 'insert':
- self.insert(_alo, _ahi, _blo, _bhi)
- elif tag == 'equal':
- self.replace_similar(_alo, _ahi, _blo, _bhi)
- else:
- raise ValueError, 'unknown tag %s' % (tag,)
-
- def replace_similar(self, alo, ahi, blo, bhi):
- assert alo < ahi and blo < bhi
- assert ahi - alo == bhi - blo
- for i in xrange(0, bhi - blo):
- self.highlighter.write('| ')
- a_call = self.a[alo + i]
- b_call = self.b[blo + i]
- assert a_call.functionName == b_call.functionName
- self.dumpCallNos(a_call.no, b_call.no)
- self.highlighter.bold(True)
- self.highlighter.write(b_call.functionName)
- self.highlighter.bold(False)
- self.highlighter.write('(')
- sep = ''
- numArgs = max(len(a_call.args), len(b_call.args))
- for j in xrange(numArgs):
- self.highlighter.write(sep)
- try:
- a_arg = a_call.args[j]
- except IndexError:
- pass
- try:
- b_arg = b_call.args[j]
- except IndexError:
- pass
- self.replace_value(a_arg, b_arg)
- sep = ', '
- self.highlighter.write(')')
- if a_call.ret is not None or b_call.ret is not None:
- self.highlighter.write(' = ')
- self.replace_value(a_call.ret, b_call.ret)
- self.highlighter.write('\n')
-
- def replace_dissimilar(self, alo, ahi, blo, bhi):
- assert alo < ahi and blo < bhi
- if bhi - blo < ahi - alo:
- self.insert(alo, alo, blo, bhi)
- self.delete(alo, ahi, bhi, bhi)
- else:
- self.delete(alo, ahi, blo, blo)
- self.insert(ahi, ahi, blo, bhi)
-
- def replace_value(self, a, b):
- if b == a:
- self.highlighter.write(self.dumper.visit(b))
- else:
- self.highlighter.strike()
- self.highlighter.color(self.delete_color)
- self.highlighter.write(self.dumper.visit(a))
- self.highlighter.normal()
- self.highlighter.write(" ")
- self.highlighter.color(self.insert_color)
- self.highlighter.write(self.dumper.visit(b))
- self.highlighter.normal()
-
- escape = "\33["
-
- def delete(self, alo, ahi, blo, bhi):
- assert alo < ahi
- assert blo == bhi
- for i in xrange(alo, ahi):
- call = self.a[i]
- self.highlighter.write('- ')
- self.dumpCallNos(call.no, None)
- self.highlighter.strike()
- self.highlighter.color(self.delete_color)
- self.dumpCall(call)
-
- def insert(self, alo, ahi, blo, bhi):
- assert alo == ahi
- assert blo < bhi
- for i in xrange(blo, bhi):
- call = self.b[i]
- self.highlighter.write('+ ')
- self.dumpCallNos(None, call.no)
- self.highlighter.color(self.insert_color)
- self.dumpCall(call)
-
- def equal(self, alo, ahi, blo, bhi):
- assert alo < ahi and blo < bhi
- assert ahi - alo == bhi - blo
- for i in xrange(0, bhi - blo):
- self.highlighter.write(' ')
- a_call = self.a[alo + i]
- b_call = self.b[blo + i]
- assert a_call.functionName == b_call.functionName
- assert len(a_call.args) == len(b_call.args)
- self.dumpCallNos(a_call.no, b_call.no)
- self.dumpCall(b_call)
-
- def dumpCallNos(self, aNo, bNo):
- if not self.callNos:
- return
-
- if aNo is None:
- self.highlighter.write(' '*self.aSpace)
- else:
- aNoStr = str(aNo)
- self.highlighter.strike()
- self.highlighter.color(self.delete_color)
- self.highlighter.write(aNoStr)
- self.highlighter.normal()
- self.aSpace = len(aNoStr)
- self.highlighter.write(' ')
- if bNo is None:
- self.highlighter.write(' '*self.bSpace)
- else:
- bNoStr = str(bNo)
- self.highlighter.color(self.insert_color)
- self.highlighter.write(bNoStr)
- self.highlighter.normal()
- self.bSpace = len(bNoStr)
- self.highlighter.write(' ')
-
- def dumpCall(self, call):
- self.highlighter.bold(True)
- self.highlighter.write(call.functionName)
- self.highlighter.bold(False)
- self.highlighter.write('(' + ', '.join(itertools.imap(self.dumper.visit, call.args)) + ')')
- if call.ret is not None:
- self.highlighter.write(' = ' + self.dumper.visit(call.ret))
- self.highlighter.normal()
- self.highlighter.write('\n')
-
-
-def main():
- '''Main program.
- '''
-
- # Parse command line options
- optparser = optparse.OptionParser(
- usage='\n\t%prog <trace> <trace>',
- version='%%prog')
- optparser.add_option(
- '-a', '--apitrace', metavar='PROGRAM',
- type='string', dest='apitrace', default='apitrace',
- help='apitrace command [default: %default]')
- optparser.add_option(
- '-c', '--calls', metavar='CALLSET',
- type="string", dest="calls", default='*',
- help="calls to compare [default: %default]")
- optparser.add_option(
- '--ref-calls', metavar='CALLSET',
- type="string", dest="ref_calls", default=None,
- help="calls to compare from reference trace")
- optparser.add_option(
- '--src-calls', metavar='CALLSET',
- type="string", dest="src_calls", default=None,
- help="calls to compare from source trace")
- optparser.add_option(
- '--call-nos',
- action="store_true",
- dest="call_nos", default=False,
- help="dump call numbers")
- global options
- (options, args) = optparser.parse_args(sys.argv[1:])
- if len(args) != 2:
- optparser.error("incorrect number of arguments")
-
- if options.ref_calls is None:
- options.ref_calls = options.calls
- if options.src_calls is None:
- options.src_calls = options.calls
-
- ref_calls = readtrace(args[0], options.ref_calls)
- src_calls = readtrace(args[1], options.src_calls)
-
- if sys.stdout.isatty():
- highlighter = LessHighlighter()
- else:
- highlighter = ColorHighlighter()
-
- differ = SDiffer(ref_calls, src_calls, highlighter, options.call_nos)
- try:
- differ.diff()
- except IOError:
- pass
-
-
-if __name__ == '__main__':
- main()
projects / apitrace / blobdiff