1 # Copyright (C) 2008, 2009 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 python pretty
21 # Test returning a Value from a printer.
23 def __init__(self
, val
):
27 return self
.val
['whybother']['contents']
29 # Test a class-based printer.
30 class ContainerPrinter
:
32 def __init__ (self
, pointer
, len):
34 self
.pointer
= pointer
35 self
.end
= pointer
+ len
41 if self
.pointer
== self
.end
:
44 self
.pointer
= self
.pointer
+ 1
45 return ('[%d]' % int (result
- self
.start
), result
.dereference())
47 def __init__(self
, val
):
51 return 'container %s with %d elements' % (self
.val
['name'], self
.val
['len'])
54 return self
._iterator
(self
.val
['elements'], self
.val
['len'])
57 def __init__(self
, val
):
64 raise Exception("&a(%s) != b(%s)" % (str(a
.address
), str(b
)))
65 return " a=<" + str(self
.val
["a"]) + "> b=<" + str(self
.val
["b"]) + ">"
68 def __init__(self
, val
):
72 return "a=<" + str(self
.val
["a"]) + "> b=<" + str(self
.val
["b"]) + ">"
75 def __init__(self
, val
):
79 return "a=<" + str(self
.val
['a']) + "> b=<" + str(self
.val
["b"]) + ">"
81 class pp_multiple_virtual
:
82 def __init__ (self
, val
):
86 return "pp value variable is: " + str (self
.val
['value'])
89 def __init__ (self
, val
):
93 return "pp class name: " + self
.val
.type.tag
96 "Print a std::basic_string of some kind"
98 def __init__(self
, val
):
102 len = self
.val
['length']
103 return self
.val
['null_str'].string (gdb
.parameter ('target-charset'), length
= len)
105 def display_hint (self
):
108 def lookup_function (val
):
109 "Look-up and return a pretty-printer that can print val."
114 # If it points to a reference, get the reference.
115 if type.code
== gdb
.TYPE_CODE_REF
:
116 type = type.target ()
118 # Get the unqualified type, stripped of typedefs.
119 type = type.unqualified ().strip_typedefs ()
127 # Iterate over local dictionary of types to determine
128 # if a printer is registered for that type. Return an
129 # instantiation of the printer if found.
130 for function
in pretty_printers_dict
:
131 if function
.match (typename
):
132 return pretty_printers_dict
[function
] (val
)
134 # Cannot find a pretty printer. Return None.
139 def register_pretty_printers ():
140 pretty_printers_dict
[re
.compile ('^struct s$')] = pp_s
141 pretty_printers_dict
[re
.compile ('^s$')] = pp_s
142 pretty_printers_dict
[re
.compile ('^S$')] = pp_s
144 pretty_printers_dict
[re
.compile ('^struct ss$')] = pp_ss
145 pretty_printers_dict
[re
.compile ('^ss$')] = pp_ss
146 pretty_printers_dict
[re
.compile ('^const S &$')] = pp_s
147 pretty_printers_dict
[re
.compile ('^SSS$')] = pp_sss
149 pretty_printers_dict
[re
.compile ('^VirtualTest$')] = pp_multiple_virtual
150 pretty_printers_dict
[re
.compile ('^Vbase1$')] = pp_vbase1
152 # Note that we purposely omit the typedef names here.
153 # Printer lookup is based on canonical name.
154 # However, we do need both tagged and untagged variants, to handle
155 # both the C and C++ cases.
156 pretty_printers_dict
[re
.compile ('^struct string_repr$')] = string_print
157 pretty_printers_dict
[re
.compile ('^struct container$')] = ContainerPrinter
158 pretty_printers_dict
[re
.compile ('^string_repr$')] = string_print
159 pretty_printers_dict
[re
.compile ('^container$')] = ContainerPrinter
161 pretty_printers_dict
[re
.compile ('^struct ns$')] = pp_ns
162 pretty_printers_dict
[re
.compile ('^ns$')] = pp_ns
163 pretty_printers_dict
= {}
165 register_pretty_printers ()
166 gdb
.pretty_printers
.append (lookup_function
)
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