cafec44190
PR python/13281: * gdbtypes.h (TYPE_FLAG_ENUM): New macro. (struct main_type) <flag_flag_enum>: New field. * dwarf2read.c (process_enumeration_scope): Detect "flag" enums. * NEWS: Add entries. * c-valprint.c (c_val_print) <TYPE_CODE_ENUM>: Handle "flag" enums. * python/lib/gdb/printing.py (_EnumInstance): New class. (FlagEnumerationPrinter): Likewise. gdb/doc * gdb.texinfo (gdb.printing): Document FlagEnumerationPrinter. gdb/testsuite * gdb.base/printcmds.c (enum flag_enum): New. (three): New global. * gdb.base/printcmds.exp (test_print_enums): Add test for flag enum printing. * gdb.python/py-pp-maint.py (build_pretty_printer): Instantiate FlagEnumerationPrinter. * gdb.python/py-pp-maint.exp: Add tests for FlagEnumerationPrinter. * gdb.python/py-pp-maint.c (enum flag_enum): New. (fval): New global.
89 lines
2.8 KiB
Python
89 lines
2.8 KiB
Python
# Copyright (C) 2010-2012 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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# This file is part of the GDB testsuite. It tests python pretty
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# printers.
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import re
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import gdb.types
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import gdb.printing
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def lookup_function_lookup_test(val):
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class PrintFunctionLookup(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 ("x=<" + str(self.val["x"]) +
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"> y=<" + str(self.val["y"]) + ">")
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typename = gdb.types.get_basic_type(val.type).tag
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# Note: typename could be None.
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if typename == "function_lookup_test":
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return PrintFunctionLookup(val)
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return None
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class pp_s:
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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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a = self.val["a"]
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b = self.val["b"]
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if a.address != b:
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raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b)))
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return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
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class pp_ss:
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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 "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">"
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def build_pretty_printer():
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pp = gdb.printing.RegexpCollectionPrettyPrinter("pp-test")
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pp.add_printer('struct s', '^struct s$', pp_s)
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pp.add_printer('s', '^s$', pp_s)
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# Use a lambda this time to exercise doing things this way.
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pp.add_printer('struct ss', '^struct ss$', lambda val: pp_ss(val))
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pp.add_printer('ss', '^ss$', lambda val: pp_ss(val))
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pp.add_printer('enum flag_enum', '^flag_enum$',
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gdb.printing.FlagEnumerationPrinter('enum flag_enum'))
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return pp
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gdb.printing.register_pretty_printer(gdb, lookup_function_lookup_test)
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my_pretty_printer = build_pretty_printer()
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gdb.printing.register_pretty_printer(gdb, my_pretty_printer)
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# Exercise the "replace" argument to register pretty_printer.
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saw_runtime_error = False
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try:
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gdb.printing.register_pretty_printer(gdb, my_pretty_printer, replace=False)
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except RuntimeError:
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saw_runtime_error = True
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pass
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if not saw_runtime_error:
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raise RuntimeError("Missing RuntimeError from register_pretty_printer")
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gdb.printing.register_pretty_printer(gdb, my_pretty_printer, replace=True)
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