File: tarray.py

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# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

from gdbpp import GeckoPrettyPrinter


@GeckoPrettyPrinter("InfallibleTArray", "^InfallibleTArray<.*>$")
@GeckoPrettyPrinter("FallibleTArray", "^FallibleTArray<.*>$")
@GeckoPrettyPrinter("AutoTArray", "^AutoTArray<.*>$")
@GeckoPrettyPrinter("nsTArray", "^nsTArray<.*>$")
class tarray_printer(object):
    def __init__(self, value):
        self.value = value
        self.elem_type = value.type.template_argument(0)

    def children(self):
        length = self.value["mHdr"].dereference()["mLength"]
        data = self.value["mHdr"] + 1
        elements = data.cast(self.elem_type.pointer())
        return (("%d" % i, (elements + i).dereference()) for i in range(0, int(length)))

    def to_string(self):
        return str(self.value.type)

    def display_hint(self):
        return "array"