From a6bac58e84001d33b9540e208e9ca6d6ab265bf3 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Thu, 28 May 2009 01:05:14 +0000 Subject: gdb 2009-05-27 Tom Tromey Thiago Jung Bauermann Phil Muldoon Paul Pluzhnikov Vladimir Prus * python/python-value.c (value_object_to_value): New function. * python/python-internal.h: Include frameobject.h. (gdbpy_children_cst, gdbpy_to_string_cst, gdbpy_display_hint_cst): Declare. (value_object_to_value): Declare. * printcmd.c (struct format_data) : New field. (last_format): Default to 0. (decode_format): Initialize val.raw. Handle /r flag. (print_command_1): Initialize fmt.raw and opts.raw. (output_command): Likewise. (x_command): Fix initialization of fmt.format. Initialize fmt.raw. (display_command): Initialize fmt.raw. (do_one_display): Set opts.raw. * python/python.c (gdbpy_to_string_cst, gdbpy_children_cst, gdbpy_display_hint_cst): New globals. (_initialize_python): Initialize them. Set gdb.pretty_printers. * cp-valprint.c: Include python.h. (cp_print_value): Call apply_val_pretty_printer. * python/python.h (apply_val_pretty_printer): Declare. * stack.c (print_this_frame_argument_p): Remove. (print_frame_args): Compute summary flag. Don't use print_this_frame_argument_p. * valprint.c: Include python.h. (user_print_options): Initialize new fields. (scalar_type_p): New function. (val_print): Handle 'raw' and 'summary' modes. Call apply_val_pretty_printer. (value_print): Handle 'raw' mode. * valprint.h (struct value_print_options) : New fields. * Makefile.in (SUBDIR_PYTHON_OBS): Add python-prettyprint.o (SUBDIR_PYTHON_SRCS): Add python-prettyprint.c. (python-prettyprint.o): New target. * python/python-prettyprint.c: New file. gdb/doc 2009-05-27 Tom Tromey Thiago Jung Bauermann Phil Muldoon * gdb.texinfo (Objfiles In Python): Reference pretty printing. (Pretty Printing): New node. (Selecting Pretty-Printers): Likewise. (Python API): Update. (Output Formats): Document /r format. gdb/testsuite 2009-05-27 Tom Tromey Thiago Jung Bauermann Phil Muldoon Paul Pluzhnikov * gdb.python/python-prettyprint.exp: New file. * gdb.python/python-prettyprint.c: New file. * gdb.python/python-prettyprint.py: New file. * gdb.base/display.exp: print/r is now valid. --- gdb/testsuite/gdb.python/python-prettyprint.py | 151 +++++++++++++++++++++++++ 1 file changed, 151 insertions(+) create mode 100644 gdb/testsuite/gdb.python/python-prettyprint.py (limited to 'gdb/testsuite/gdb.python/python-prettyprint.py') diff --git a/gdb/testsuite/gdb.python/python-prettyprint.py b/gdb/testsuite/gdb.python/python-prettyprint.py new file mode 100644 index 0000000..493cf29 --- /dev/null +++ b/gdb/testsuite/gdb.python/python-prettyprint.py @@ -0,0 +1,151 @@ +# Copyright (C) 2008, 2009 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +# This file is part of the GDB testsuite. It tests python pretty +# printers. + +import re + +# Test returning a Value from a printer. +class string_print: + def __init__(self, val): + self.val = val + + def to_string(self): + return self.val['whybother']['contents'] + +# Test a class-based printer. +class ContainerPrinter: + class _iterator: + def __init__ (self, pointer, len): + self.start = pointer + self.pointer = pointer + self.end = pointer + len + + def __iter__(self): + return self + + def next(self): + if self.pointer == self.end: + raise StopIteration + result = self.pointer + self.pointer = self.pointer + 1 + return ('[%d]' % int (result - self.start), result.dereference()) + + def __init__(self, val): + self.val = val + + def to_string(self): + return 'container %s with %d elements' % (self.val['name'], self.val['len']) + + def children(self): + return self._iterator(self.val['elements'], self.val['len']) + +class pp_s: + def __init__(self, val): + self.val = val + + def to_string(self): + a = self.val["a"] + b = self.val["b"] + if a.address != b: + raise Exception("&a(%s) != b(%s)" % (str(a.address), str(b))) + return " a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" + +class pp_ss: + def __init__(self, val): + self.val = val + + def to_string(self): + return "a=<" + str(self.val["a"]) + "> b=<" + str(self.val["b"]) + ">" + +class pp_sss: + def __init__(self, val): + self.val = val + + def to_string(self): + return "a=<" + str(self.val['a']) + "> b=<" + str(self.val["b"]) + ">" + +class pp_multiple_virtual: + def __init__ (self, val): + self.val = val + + def to_string (self): + return "pp value variable is: " + str (self.val['value']) + +class pp_vbase1: + def __init__ (self, val): + self.val = val + + def to_string (self): + return "pp class name: " + self.val.type.tag + +def lookup_function (val): + "Look-up and return a pretty-printer that can print val." + + # Get the type. + type = val.type; + + # If it points to a reference, get the reference. + if type.code == gdb.TYPE_CODE_REF: + type = type.target () + + # Get the unqualified type, stripped of typedefs. + type = type.unqualified ().strip_typedefs () + + # Get the type name. + typename = type.tag + + if typename == None: + return None + + # Iterate over local dictionary of types to determine + # if a printer is registered for that type. Return an + # instantiation of the printer if found. + for function in pretty_printers_dict: + if function.match (typename): + return pretty_printers_dict[function] (val) + + # Cannot find a pretty printer. Return None. + + return None + + +def register_pretty_printers (): + pretty_printers_dict[re.compile ('^struct s$')] = pp_s + pretty_printers_dict[re.compile ('^s$')] = pp_s + pretty_printers_dict[re.compile ('^S$')] = pp_s + + pretty_printers_dict[re.compile ('^struct ss$')] = pp_ss + pretty_printers_dict[re.compile ('^ss$')] = pp_ss + pretty_printers_dict[re.compile ('^const S &$')] = pp_s + pretty_printers_dict[re.compile ('^SSS$')] = pp_sss + + pretty_printers_dict[re.compile ('^VirtualTest$')] = pp_multiple_virtual + pretty_printers_dict[re.compile ('^Vbase1$')] = pp_vbase1 + + # Note that we purposely omit the typedef names here. + # Printer lookup is based on canonical name. + # However, we do need both tagged and untagged variants, to handle + # both the C and C++ cases. + pretty_printers_dict[re.compile ('^struct string_repr$')] = string_print + pretty_printers_dict[re.compile ('^struct container$')] = ContainerPrinter + pretty_printers_dict[re.compile ('^string_repr$')] = string_print + pretty_printers_dict[re.compile ('^container$')] = ContainerPrinter + +pretty_printers_dict = {} + +register_pretty_printers () +gdb.pretty_printers.append (lookup_function) -- cgit v1.1