78 lines
2.1 KiB
Python
78 lines
2.1 KiB
Python
# Copyright (C) 2013-2022 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import re
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import gdb
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class pp_s(object):
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def __init__(self, val):
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self.val = val
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def to_string(self):
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m = self.val["m"]
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return "m=<" + str(self.val["m"]) + ">"
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class pp_ss(object):
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def __init__(self, val):
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self.val = val
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def to_string(self):
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return "super struct"
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def children(self):
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yield "a", self.val["a"]
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yield "b", self.val["b"]
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def lookup_function(val):
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"Look-up and return a pretty-printer that can print val."
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# Get the type.
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type = val.type
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# If it points to a reference, get the reference.
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if type.code == gdb.TYPE_CODE_REF:
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type = type.target()
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# Get the unqualified type, stripped of typedefs.
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type = type.unqualified().strip_typedefs()
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# Get the type name.
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typename = type.tag
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if typename is None:
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return None
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# Iterate over local dictionary of types to determine
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# if a printer is registered for that type. Return an
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# instantiation of the printer if found.
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for function in pretty_printers_dict:
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if function.match(typename):
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return pretty_printers_dict[function](val)
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# Cannot find a pretty printer. Return None.
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return None
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def register_pretty_printers():
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pretty_printers_dict[re.compile("^s$")] = pp_s
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pretty_printers_dict[re.compile("^ss$")] = pp_ss
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pretty_printers_dict = {}
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register_pretty_printers()
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gdb.pretty_printers.append(lookup_function)
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