maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

Adding some LLDB-specific logic to the tracer (in a separate tracer module) to improve the quality of the output when debugging data formatters 

(more improvements are necessary before this is really legible)

llvm-svn: 181367
This commit is contained in:
Enrico Granata 2013-05-07 21:42:18 +00:00
parent ca08df756e
commit 78f05f13ad
1 changed files with 91 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

103
lldb/examples/python/pytracer.py
View File

@ -10,7 +10,7 @@ class TracebackFancy:
return FrameFancy(self.t.tb_frame)
def getLineNumber(self):
return self.t.tb_lineno
return self.t.tb_lineno if self.t != None else None
def getNext(self):
return TracebackFancy(self.t.tb_next)
@ -49,16 +49,19 @@ class CodeFancy:
self.c = code
def getArgCount(self):
return self.c.co_argcount
return self.c.co_argcount if self.c != None else 0
def getFilename(self):
return self.c.co_filename
return self.c.co_filename if self.c != None else ""
def getVariables(self):
return self.c.co_varnames
return self.c.co_varnames if self.c != None else []
def getName(self):
return self.c.co_name
return self.c.co_name if self.c != None else ""
def getFileName(self):
return self.c.co_filename if self.c != None else ""
class ArgsFancy:
def __init__(self,frame,arginfo):
@ -121,22 +124,25 @@ class FrameFancy:
return FrameFancy(self.f.f_back)
def getLineNumber(self):
return self.f.f_lineno
return self.f.f_lineno if self.f != None else 0
def getCodeInformation(self):
return CodeFancy(self.f.f_code)
return CodeFancy(self.f.f_code) if self.f != None else None
def getExceptionInfo(self):
return ExceptionFancy(self.f)
return ExceptionFancy(self.f) if self.f != None else None
def getName(self):
return self.f.f_code.co_name
return self.getCodeInformation().getName() if self.f != None else ""
def getFileName(self):
return self.getCodeInformation().getFileName() if self.f != None else ""
def getLocals(self):
return self.f.f_locals
return self.f.f_locals if self.f != None else {}
def getArgumentInfo(self):
return ArgsFancy(self.f,inspect.getargvalues(self.f))
return ArgsFancy(self.f,inspect.getargvalues(self.f)) if self.f != None else None
class TracerClass:
def callEvent(self,frame):
@ -206,7 +212,7 @@ class LoggingTracer:
print "call " + frame.getName() + " from " + frame.getCaller().getName() + " @ " + str(frame.getCaller().getLineNumber()) + " args are " + str(frame.getArgumentInfo())
def lineEvent(self,frame):
print "running " + frame.getName() + " @ " + str(frame.getLineNumber()) + " locals are " + str(frame.getLocals())
print "running " + frame.getName() + " @ " + str(frame.getLineNumber()) + " locals are " + str(frame.getLocals()) + " in " + frame.getFileName()
def returnEvent(self,frame,retval):
print "return from " + frame.getName() + " value is " + str(retval) + " locals are " + str(frame.getLocals())
@ -215,6 +221,79 @@ class LoggingTracer:
print "exception %s %s raised from %s @ %s" % (exception.getType(), str(exception.getValue()), frame.getName(), frame.getLineNumber())
print "tb: " + str(exception.getTraceback())
# the same functionality as LoggingTracer, but with a little more lldb-specific smarts
class LLDBAwareTracer:
def callEvent(self,frame):
if frame.getName() == "<module>":
return
if frame.getName() == "run_one_line":
print "call run_one_line(%s)" % (frame.getArgumentInfo().getArgs()["input_string"])
return
if "Python.framework" in frame.getFileName():
print "call into Python at " + frame.getName()
return
if frame.getName() == "__init__" and frame.getCaller().getName() == "run_one_line" and frame.getCaller().getLineNumber() == 101:
return False
strout = "call " + frame.getName()
if (frame.getCaller().getFileName() == ""):
strout += " from LLDB - args are "
args = frame.getArgumentInfo().getArgs()
for arg in args:
if arg == "dict" or arg == "internal_dict":
continue
strout = strout + ("%s = %s " % (arg,args[arg]))
else:
strout += " from " + frame.getCaller().getName() + " @ " + str(frame.getCaller().getLineNumber()) + " args are " + str(frame.getArgumentInfo())
print strout
def lineEvent(self,frame):
if frame.getName() == "<module>":
return
if frame.getName() == "run_one_line":
print "running run_one_line(%s) @ %s" % (frame.getArgumentInfo().getArgs()["input_string"],frame.getLineNumber())
return
if "Python.framework" in frame.getFileName():
print "running into Python at " + frame.getName() + " @ " + str(frame.getLineNumber())
return
strout = "running " + frame.getName() + " @ " + str(frame.getLineNumber()) + " locals are "
if (frame.getCaller().getFileName() == ""):
locals = frame.getLocals()
for local in locals:
if local == "dict" or local == "internal_dict":
continue
strout = strout + ("%s = %s " % (local,locals[local]))
else:
strout = strout + str(frame.getLocals())
strout = strout + " in " + frame.getFileName()
print strout
def returnEvent(self,frame,retval):
if frame.getName() == "<module>":
return
if frame.getName() == "run_one_line":
print "return from run_one_line(%s) return value is %s" % (frame.getArgumentInfo().getArgs()["input_string"],retval)
return
if "Python.framework" in frame.getFileName():
print "return from Python at " + frame.getName() + " return value is " + str(retval)
return
strout = "return from " + frame.getName() + " return value is " + str(retval) + " locals are "
if (frame.getCaller().getFileName() == ""):
locals = frame.getLocals()
for local in locals:
if local == "dict" or local == "internal_dict":
continue
strout = strout + ("%s = %s " % (local,locals[local]))
else:
strout = strout + str(frame.getLocals())
strout = strout + " in " + frame.getFileName()
print strout
def exceptionEvent(self,frame,exception):
if frame.getName() == "<module>":
return
print "exception %s %s raised from %s @ %s" % (exception.getType(), str(exception.getValue()), frame.getName(), frame.getLineNumber())
print "tb: " + str(exception.getTraceback())
def f(x,y=None):
if x > 0:
return 2 + f(x-2)