def parse(self,log_file_path='../gdb.txt'):
now0 = datetime.datetime.now()
logFile=file(log_file_path, 'r')
lines = logFile.readlines()
normalLinePattern = re.compile(r'^[0-9]+\s+.*\n')
headInfoPattern = re.compile(r'^[A-Za-z_][A-Za-z0-9_]+.*\n')
nullLinePattern = re.compile(r'^\s*\n')
valueReturnLinePattern=re.compile(r'^(Value returned is |Run till exit from ).*')
no_such_file_or_directory=r'No such file or directory.'
hexHeadPattern=re.compile(r'^0x[0-9a-f]+ in .*$')
#singleStepPattern=re.compile(r'^Single stepping until exit from function .*$')
nullLineNum = 0
l = []
isFuncInfo=True
funcInfoStr=''
funcInfo = None
#errorInfo=[]
meetBreakPoint = True
ignore=False
ignoreNext=False
last_ignore=False
blockOfNormalLines=[]
for line in lines:
if line[0]=='V' or line[0]=='R':
if line[0:3]=='Val' or line[0:3]=='Run':
if valueReturnLinePattern.match(line):
ignore=False
continue
if ignore:
#if headInfoPattern.match(line):
if ('a'<=line[0] and line[0]<='z') or ('A'<=line[0] and line[0]<'Z') or line[0]=='_':
ignore=False
last_ignore=True #the this line should also be removed as
#===========================================================
# rfx_free (ptr=0x81c3900) at mem.c:10
# 10 {
# 11 if(!ptr)
# 13 free(ptr);
# __GI___libc_free (mem=0x81c3900) at malloc.c:2912
# 2912 malloc.c: No such file or directory.
# 2917 in malloc.c
# ...
# 2946 in malloc.c
# _int_free (av=0xb7fa7420 <main_arena>, p=0x81c38f8, have_lock=0) at malloc.c:3814
# 3814 in malloc.c
# ...
# 3827 in malloc.c
# rfx_free (ptr=0x81c3900) at mem.c:14 <---------this line should also be removed
# 14 }
#===========================================================
else:
continue
if ignoreNext:
#if normalLinePattern.match(line):
if re.search(r'[1-9][0-9]',line[0:2]) or re.search(r'[1-9]\s',line[0:2]) :#normal line
ignoreNext=False
else:
continue
#if hexHeadPattern.match(line):
if '0x'==line[0:2]:#hex head line
ignoreNext=True
continue
#if nullLinePattern.match(line):
if line.strip()=='':#null line
nullLineNum+=1
elif nullLineNum == 1:
#trace content
#if normalLinePattern.match(line):
if re.search(r'[1-9][0-9]',line[0:2]) or re.search(r'[1-9]\s',line[0:2]) :#normal line
if isFuncInfo:
isFuncInfo = False
funcInfo=FunctionCallInfo(funcInfoStr)
l.append(funcInfo)
funcInfoStr=''
blockOfNormalLines.append(LineOfCode(line,funcInfo))
#LOG INFO
print "find normal line:",line
else:
#if headInfoPattern.match(line):
if ('a'<=line[0] and line[0]<='z') or ('A'<=line[0] and line[0]<'Z') or line[0]=='_':
if lines.index(line)+1<len(lines):
if re.search(no_such_file_or_directory,lines[lines.index(line)+1]):
ignore=True
continue
elif last_ignore:
last_ignore=False
continue
#BUG
#listOfLines = fixBlock(blockOfNormalLines)
listOfLines = blockOfNormalLines
l.extend(listOfLines)
blockOfNormalLines=[]
if not meetBreakPoint:
for aline in listOfLines:
aline.set_func_call_info(funcInfo)
funcInfo.addLines(listOfLines)
#Head function call stack info
if meetBreakPoint:
line = line.strip('Breakpoint 1, ')
meetBreakPoint=False
funcInfoStr = line.strip('\n')
isFuncInfo=True
#LOG INFO
print "find head info line:",line
else:
#Tail function call stack info
funcInfoStr+=line.strip()
#LOG INFO
print "find tail info line:",line
elif nullLineNum == 2:
#Error info
#FIXME
#listOfLines = fixBlock(blockOfNormalLines)
listOfLines = blockOfNormalLines
l.extend(listOfLines)
blockOfNormalLines=[]
#errorInfo.append(line)
print 'ALL PARSED\n============================================'
fixer=RedundancyFixer(l,self.redundant_level)
now1 = datetime.datetime.now()
print "initial parse time:",now1-now0
l=fixer.fix()
now2 = datetime.datetime.now()
print "filter complains time:",now2-now1
write2File("trace.txt", l)
now3 = datetime.datetime.now()
print "write2File time:",now3-now2
return l
