1 # Copyright (C) 2019-2020 Free Software Foundation, Inc.
3 # This program is free software; you can redistribute it and/or modify
4 # it under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 3 of the License, or
6 # (at your option) any later version.
8 # This program is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 # GNU General Public License for more details.
13 # You should have received a copy of the GNU General Public License
14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 # This file is part of the GDB testsuite. It tests GDB's printing of
17 # nested map like structures.
22 def _iterator1 (pointer
, len):
24 map = pointer
.dereference()
25 yield ('', map['name'])
26 yield ('', map.dereference())
30 def _iterator2 (pointer1
, pointer2
, len):
32 yield ("", pointer1
.dereference())
33 yield ("", pointer2
.dereference())
38 class pp_map (object):
39 def __init__(self
, val
):
43 if (self
.val
['show_header'] == 0):
49 return _iterator2(self
.val
['keys'],
53 def display_hint (self
):
56 class pp_map_map (object):
57 def __init__(self
, val
):
61 if (self
.val
['show_header'] == 0):
67 return _iterator1(self
.val
['values'],
70 def display_hint (self
):
73 def lookup_function (val
):
74 "Look-up and return a pretty-printer that can print val."
79 # If it points to a reference, get the reference.
80 if type.code
== gdb
.TYPE_CODE_REF
:
83 # Get the unqualified type, stripped of typedefs.
84 type = type.unqualified ().strip_typedefs ()
92 # Iterate over local dictionary of types to determine
93 # if a printer is registered for that type. Return an
94 # instantiation of the printer if found.
95 for function
in pretty_printers_dict
:
96 if function
.match (typename
):
97 return pretty_printers_dict
[function
] (val
)
99 # Cannot find a pretty printer. Return None.
102 # Lookup a printer for VAL in the typedefs dict.
103 def lookup_typedefs_function (val
):
104 "Look-up and return a pretty-printer that can print val (typedefs)."
109 if type == None or type.name
== None or type.code
!= gdb
.TYPE_CODE_TYPEDEF
:
112 # Iterate over local dictionary of typedef types to determine if a
113 # printer is registered for that type. Return an instantiation of
114 # the printer if found.
115 for function
in typedefs_pretty_printers_dict
:
116 if function
.match (type.name
):
117 return typedefs_pretty_printers_dict
[function
] (val
)
119 # Cannot find a pretty printer.
122 def register_pretty_printers ():
123 pretty_printers_dict
[re
.compile ('^struct map_t$')] = pp_map
124 pretty_printers_dict
[re
.compile ('^map_t$')] = pp_map
125 pretty_printers_dict
[re
.compile ('^struct map_map_t$')] = pp_map_map
126 pretty_printers_dict
[re
.compile ('^map_map_t$')] = pp_map_map
128 # Dict for struct types with typedefs fully stripped.
129 pretty_printers_dict
= {}
130 # Dict for typedef types.
131 typedefs_pretty_printers_dict
= {}
133 register_pretty_printers ()
134 gdb
.pretty_printers
.append (lookup_function
)
135 gdb
.pretty_printers
.append (lookup_typedefs_function
)