forked from qt-creator/qt-creator
240 lines
8.3 KiB
Python
240 lines
8.3 KiB
Python
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try:
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import lldb_bridge
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except:
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pass
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#try:
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if True:
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import gdb
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def registerCommand(name, func):
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class Command(gdb.Command):
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def __init__(self):
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super(Command, self).__init__(name, gdb.COMMAND_OBSCURE)
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def invoke(self, args, from_tty):
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output = func(args)
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try:
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print(output)
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except:
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out = ""
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for c in output:
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cc = ord(c)
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if cc > 127:
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out += "\\\\%d" % cc
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elif cc < 0:
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out += "\\\\%d" % (cc + 256)
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else:
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out += c
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print(out)
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Command()
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def isGoodGdb():
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#return gdb.VERSION.startswith("6.8.50.2009") \
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# and gdb.VERSION != "6.8.50.20090630-cvs"
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return 'parse_and_eval' in __builtin__.dir(gdb)
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def parseAndEvaluate(exp):
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if isGoodGdb():
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return gdb.parse_and_eval(exp)
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# Work around non-existing gdb.parse_and_eval as in released 7.0
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gdb.execute("set logging redirect on")
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gdb.execute("set logging on")
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try:
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gdb.execute("print %s" % exp)
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except:
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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return None
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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return gdb.history(0)
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def listOfLocals(varList):
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frame = gdb.selected_frame()
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try:
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frame = gdb.selected_frame()
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#warn("FRAME %s: " % frame)
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except RuntimeError, error:
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warn("FRAME NOT ACCESSIBLE: %s" % error)
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return []
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except:
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warn("FRAME NOT ACCESSIBLE FOR UNKNOWN REASONS")
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return []
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# New in 7.2
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hasBlock = 'block' in __builtin__.dir(frame)
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items = []
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#warn("HAS BLOCK: %s" % hasBlock)
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if hasBlock and isGoodGdb():
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#warn("IS GOOD: %s " % varList)
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try:
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block = frame.block()
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#warn("BLOCK: %s " % block)
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except RuntimeError, error:
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warn("BLOCK IN FRAME NOT ACCESSIBLE: %s" % error)
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return items
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except:
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warn("BLOCK NOT ACCESSIBLE FOR UNKNOWN REASONS")
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return items
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shadowed = {}
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while True:
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if block is None:
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warn("UNEXPECTED 'None' BLOCK")
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break
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for symbol in block:
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name = symbol.print_name
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if name == "__in_chrg":
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continue
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# "NotImplementedError: Symbol type not yet supported in
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# Python scripts."
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#warn("SYMBOL %s: " % symbol.value)
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#warn("SYMBOL %s (%s): " % (symbol, name))
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if name in shadowed:
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level = shadowed[name]
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name1 = "%s <shadowed %s>" % (name, level)
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shadowed[name] = level + 1
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else:
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name1 = name
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shadowed[name] = 1
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#warn("SYMBOL %s (%s, %s)): " % (symbol, name, symbol.name))
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item = Item(0, "local", name1, name1)
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try:
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item.value = frame.read_var(name, block) # this is a gdb value
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except:
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try:
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item.value = frame.read_var(name) # this is a gdb value
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except:
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# RuntimeError: happens for
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# void foo() { std::string s; std::wstring w; }
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# ValueError: happens for (as of 2010/11/4)
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# a local struct as found e.g. in
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# gcc sources in gcc.c, int execute()
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continue
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#warn("ITEM %s: " % item.value)
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items.append(item)
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# The outermost block in a function has the function member
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# FIXME: check whether this is guaranteed.
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if not block.function is None:
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break
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block = block.superblock
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else:
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# Assuming gdb 7.0 release or 6.8-symbianelf.
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filename, file = createTempFile()
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#warn("VARLIST: %s " % varList)
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#warn("FILENAME: %s " % filename)
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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gdb.execute("set logging file %s" % filename)
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gdb.execute("set logging redirect on")
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gdb.execute("set logging on")
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try:
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gdb.execute("info args")
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# We cannot use "info locals" as at least 6.8-symbianelf
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# aborts as soon as we hit unreadable memory.
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# gdb.execute("interpreter mi '-stack-list-locals 0'")
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# results in &"Recursive internal problem.\n", so we have
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# the frontend pass us the list of locals.
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# There are two cases, either varList is empty, so we have
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# to fetch the list here, or it is not empty with the
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# first entry being a dummy.
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if len(varList) == 0:
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gdb.execute("info locals")
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else:
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varList = varList[1:]
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except:
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pass
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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try:
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temp = open(filename, "r")
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for line in temp:
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if len(line) == 0 or line.startswith(" "):
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continue
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# The function parameters
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pos = line.find(" = ")
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if pos < 0:
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continue
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varList.append(line[0:pos])
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temp.close()
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except:
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pass
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removeTempFile(filename, file)
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#warn("VARLIST: %s " % varList)
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for name in varList:
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#warn("NAME %s " % name)
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item = Item(0, "local", name, name)
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try:
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item.value = frame.read_var(name) # this is a gdb value
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except RuntimeError:
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pass
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#continue
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except:
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# Something breaking the list, like intermediate gdb warnings
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# like 'Warning: can't find linker symbol for virtual table for
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# `std::less<char const*>' value\n\nwarning: found
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# `myns::QHashData::shared_null' instead [...]
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# that break subsequent parsing. Chicken out and take the
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# next "usable" line.
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continue
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items.append(item)
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return items
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def catchCliOutput(command):
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try:
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return gdb.execute(command, to_string=True).split("\n")
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except:
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pass
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filename, file = createTempFile()
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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gdb.execute("set logging file %s" % filename)
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gdb.execute("set logging redirect on")
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gdb.execute("set logging on")
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msg = ""
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try:
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gdb.execute(command)
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except RuntimeError, error:
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# For the first phase of core file loading this yield
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# "No symbol table is loaded. Use the \"file\" command."
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msg = str(error)
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except:
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msg = "Unknown error"
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gdb.execute("set logging off")
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gdb.execute("set logging redirect off")
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if len(msg):
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# Having that might confuse result handlers in the gdbengine.
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#warn("CLI ERROR: %s " % msg)
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return "CLI ERROR: %s " % msg
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temp = open(filename, "r")
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lines = []
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for line in temp:
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lines.append(line)
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temp.close()
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removeTempFile(filename, file)
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return lines
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#except:
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# pass
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