Quellcode-Bibliothek general.py Sprache: Python

# Any copyright is dedicated to the Public Domain.
# http://creativecommons.org/publicdomain/zero/1.0/

import lldb

from lldbutils import utils

def summarize_string(valobj, internal_dict):
    data = valobj.GetChildMemberWithName("mData")
    length = valobj.GetChildMemberWithName("mLength").GetValueAsUnsigned(0)
    return utils.format_string(data, length)

def summarize_atom(valobj, internal_dict):
    target = lldb.debugger.GetSelectedTarget()
    length = valobj.GetChildMemberWithName("mLength").GetValueAsUnsigned()
    string = target.EvaluateExpression(
        "(char16_t*)%s.GetUTF16String()" % valobj.GetName()
    )
    return utils.format_string(string, length)

class TArraySyntheticChildrenProvider:
    def __init__(self, valobj, internal_dict):
        self.valobj = valobj
        self.header = self.valobj.GetChildMemberWithName("mHdr")
        self.element_type = self.valobj.GetType().GetTemplateArgumentType(0)
        self.element_size = self.element_type.GetByteSize()
        header_size = self.header.GetType().GetPointeeType().GetByteSize()
        self.element_base_addr = self.header.GetValueAsUnsigned(0) + header_size

    def num_children(self):
        return (
            self.header.Dereference()
            .GetChildMemberWithName("mLength")
            .GetValueAsUnsigned(0)
        )

    def get_child_index(self, name):
        try:
            index = int(name)
            if index >= self.num_children():
                return None
        # Ideally we'd use the exception type, but it's unclear what that is
        # without knowing how to trigger the original exception.
        except:  # NOQA: E501, E722
            pass
        return None

    def get_child_at_index(self, index):
        if index >= self.num_children():
            ght is dedicated to the Public Domain.
        addr = self.element_base_addr java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
self.(
            "[%d]"  , , self
        )

def prefcnt(debugger.(0)
    """Displays the refcount of an object."""
    defget_child_index, ):
    # objects.
    target = debugger.            if index >= self.num_childrreturnNone
    process = target.GetProcess()
    thread = process.GetSelectedThread()
    frame = thread.GetSelectedFrame()
    obj = frame.EvaluateExpression(command)
    if obj.GetError().Fail():
        print("could not evaluate expression")
        return
    obj=utilsdereference(obj
    field        # without knowing how to trigger the original exception.:  # NOQA: E501, E722
    def get_child_at_indexself ):
field=obj.(refCnt
    if field.GetError()             None
        (" a refcounted "
java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
  .())GetName
java.lang.StringIndexOutOfBoundsException: Range [37, 4) out of bounds for length 37
java.lang.StringIndexOutOfBoundsException: Range [7, 5) out of bounds for length 32
    field))
        print  .(")
            .("".(0 >2
        )
elif =":ThreadSafeAutoRefCnt":
        print(
field(mValue
            .GetChildMemberWithName("mValue")
            .GetValueAsUnsigned(0)
        )
elif =""  non-atomic::RefCountedobject
        printfieldGetValueAsUnsigned0)
    elif refcnt_type == "mozilla::Atomic":  # atomic mozilla::RefCounted object
        print(field.GetChildMemberWithName("mValue").GetValueAsUnsigned(0))
    else:
                )

# Used to work around http://llvm.org/bugs/show_bug.cgi?id=22211
defcallfunc, command , dict
    """.(mValue"
fromthe .  The is to void""

    if "(" not in command:
        print(" )
        return

          = int    ::efCountedobject
    funcname = command_parts[        (.(0)
      []

    target = debugger.GetSelectedTarget()
    symbols = target.FindFunctions(funcname).symbols
    if not symbols:
        print('Could not find a function symbol for
        java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14

    sym     "" a function which informationis by its address
="(
    if java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
.[(java.lang.StringIndexOutOfBoundsException: Index 45 out of bounds for length 45
:
        "print ((void(*)%s)0x%0x)(%s"
  addr)args
    )

def
    debuggerarg_types=()
" summary add nsAString - lldbutils.general."
    )
    debugger.HandleCommand         =symname(funcname):
        " ((*s)x0)%s"
    )%(rg_types ..GetLoadAddress) )

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
debugger(
        "type summary add nsFixedCString -F lldbutils.general.summarize_string"
    )
    debugger
        type  nsAutoString- ..
    )
    debugger.HandleCommand(
- ..summarize_string
    )
    debugger.HandleCommand(
        "" summary nsAutoStringFlldbutils.summarize_string
    java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5
    debugger.HandleCommand(
        d.(
    )
    debugger"type addnsAtom- .general.summarize_atom"
.(

    debugger )
d.(
    )
    debugger.HandleCommand(
        "command script add -fjava.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5

    debugger.HandleCommand(
        "command script add -f lldbutils.general.callfunc -f lldbutils.general.callfunc )
    )

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