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-rw-r--r--libstdc++-v3/python/Makefile.am59
-rw-r--r--libstdc++-v3/python/Makefile.in514
-rw-r--r--libstdc++-v3/python/hook.in60
-rw-r--r--libstdc++-v3/python/libstdcxx/__init__.py1
-rw-r--r--libstdc++-v3/python/libstdcxx/v6/__init__.py1
-rw-r--r--libstdc++-v3/python/libstdcxx/v6/printers.py802
6 files changed, 1437 insertions, 0 deletions
diff --git a/libstdc++-v3/python/Makefile.am b/libstdc++-v3/python/Makefile.am
new file mode 100644
index 000000000..b603444ad
--- /dev/null
+++ b/libstdc++-v3/python/Makefile.am
@@ -0,0 +1,59 @@
+## Makefile for the python subdirectory of the GNU C++ Standard library.
+##
+## Copyright (C) 2009 Free Software Foundation, Inc.
+##
+## This file is part of the libstdc++ version 3 distribution.
+## Process this file with automake to produce Makefile.in.
+
+## This file is part of the GNU ISO C++ Library. This library 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, or (at your option)
+## any later version.
+##
+## This library 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 library; see the file COPYING3. If not see
+## <http://www.gnu.org/licenses/>.
+
+include $(top_srcdir)/fragment.am
+
+## Where to install the module code.
+pythondir = $(datadir)/gcc-$(gcc_version)/python
+
+all-local: gdb.py
+
+nobase_python_DATA = \
+ libstdcxx/v6/printers.py \
+ libstdcxx/v6/__init__.py \
+ libstdcxx/__init__.py
+
+gdb.py: hook.in Makefile
+ sed -e 's,@pythondir@,$(pythondir),' \
+ -e 's,@toolexeclibdir@,$(toolexeclibdir),' < $(srcdir)/hook.in > $@
+
+install-data-local: gdb.py
+ @$(mkdir_p) $(DESTDIR)$(toolexeclibdir)
+## We want to install gdb.py as SOMETHING-gdb.py. SOMETHING is the
+## full name of the final library. We want to ignore symlinks, the
+## .la file, and any previous -gdb.py file. This is inherently
+## fragile, but there does not seem to be a better option, because
+## libtool hides the real names from us.
+ @here=`pwd`; cd $(DESTDIR)$(toolexeclibdir); \
+ for file in libstdc++*; do \
+ case $$file in \
+ *-gdb.py) ;; \
+ *.la) ;; \
+ *) if test -h $$file; then \
+ continue; \
+ fi; \
+ libname=$$file;; \
+ esac; \
+ done; \
+ cd $$here; \
+ echo " $(INSTALL_DATA) gdb.py $(DESTDIR)$(toolexeclibdir)/$$libname-gdb.py"; \
+ $(INSTALL_DATA) gdb.py $(DESTDIR)$(toolexeclibdir)/$$libname-gdb.py
diff --git a/libstdc++-v3/python/Makefile.in b/libstdc++-v3/python/Makefile.in
new file mode 100644
index 000000000..b8ea31a8e
--- /dev/null
+++ b/libstdc++-v3/python/Makefile.in
@@ -0,0 +1,514 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
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+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+target_triplet = @target@
+DIST_COMMON = $(top_srcdir)/fragment.am $(srcdir)/Makefile.in \
+ $(srcdir)/Makefile.am
+subdir = python
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+ $(top_srcdir)/../config/iconv.m4 \
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+ $(top_srcdir)/../config/lib-link.m4 \
+ $(top_srcdir)/../config/lib-prefix.m4 \
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+ $(top_srcdir)/../config/multi.m4 \
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+ esac;
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+# May be used by various substitution variables.
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+
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+
+
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+ libstdcxx/v6/__init__.py \
+ libstdcxx/__init__.py
+
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+
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+gdb.py: hook.in Makefile
+ sed -e 's,@pythondir@,$(pythondir),' \
+ -e 's,@toolexeclibdir@,$(toolexeclibdir),' < $(srcdir)/hook.in > $@
+
+install-data-local: gdb.py
+ @$(mkdir_p) $(DESTDIR)$(toolexeclibdir)
+ @here=`pwd`; cd $(DESTDIR)$(toolexeclibdir); \
+ for file in libstdc++*; do \
+ case $$file in \
+ *-gdb.py) ;; \
+ *.la) ;; \
+ *) if test -h $$file; then \
+ continue; \
+ fi; \
+ libname=$$file;; \
+ esac; \
+ done; \
+ cd $$here; \
+ echo " $(INSTALL_DATA) gdb.py $(DESTDIR)$(toolexeclibdir)/$$libname-gdb.py"; \
+ $(INSTALL_DATA) gdb.py $(DESTDIR)$(toolexeclibdir)/$$libname-gdb.py
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/libstdc++-v3/python/hook.in b/libstdc++-v3/python/hook.in
new file mode 100644
index 000000000..a11305b84
--- /dev/null
+++ b/libstdc++-v3/python/hook.in
@@ -0,0 +1,60 @@
+# -*- python -*-
+# Copyright (C) 2009, 2010 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 <http://www.gnu.org/licenses/>.
+
+import sys
+import gdb
+import os
+import os.path
+
+pythondir = '@pythondir@'
+libdir = '@toolexeclibdir@'
+
+# This file might be loaded when there is no current objfile. This
+# can happen if the user loads it manually. In this case we don't
+# update sys.path; instead we just hope the user managed to do that
+# beforehand.
+if gdb.current_objfile () is not None:
+ # Update module path. We want to find the relative path from libdir
+ # to pythondir, and then we want to apply that relative path to the
+ # directory holding the objfile with which this file is associated.
+ # This preserves relocatability of the gcc tree.
+
+ # Do a simple normalization that removes duplicate separators.
+ pythondir = os.path.normpath (pythondir)
+ libdir = os.path.normpath (libdir)
+
+ prefix = os.path.commonprefix ([libdir, pythondir])
+ # In some bizarre configuration we might have found a match in the
+ # middle of a directory name.
+ if prefix[-1] != '/':
+ prefix = os.path.dirname (prefix) + '/'
+
+ # Strip off the prefix.
+ pythondir = pythondir[len (prefix):]
+ libdir = libdir[len (prefix):]
+
+ # Compute the ".."s needed to get from libdir to the prefix.
+ dotdots = ('..' + os.sep) * len (libdir.split (os.sep))
+
+ objfile = gdb.current_objfile ().filename
+ dir_ = os.path.join (os.path.dirname (objfile), dotdots, pythondir)
+
+ if not dir_ in sys.path:
+ sys.path.insert(0, dir_)
+
+# Load the pretty-printers.
+from libstdcxx.v6.printers import register_libstdcxx_printers
+register_libstdcxx_printers (gdb.current_objfile ())
diff --git a/libstdc++-v3/python/libstdcxx/__init__.py b/libstdc++-v3/python/libstdcxx/__init__.py
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/libstdc++-v3/python/libstdcxx/__init__.py
@@ -0,0 +1 @@
+
diff --git a/libstdc++-v3/python/libstdcxx/v6/__init__.py b/libstdc++-v3/python/libstdcxx/v6/__init__.py
new file mode 100644
index 000000000..8b1378917
--- /dev/null
+++ b/libstdc++-v3/python/libstdcxx/v6/__init__.py
@@ -0,0 +1 @@
+
diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py b/libstdc++-v3/python/libstdcxx/v6/printers.py
new file mode 100644
index 000000000..fb999bf52
--- /dev/null
+++ b/libstdc++-v3/python/libstdcxx/v6/printers.py
@@ -0,0 +1,802 @@
+# Pretty-printers for libstc++.
+
+# Copyright (C) 2008, 2009, 2010 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 <http://www.gnu.org/licenses/>.
+
+import gdb
+import itertools
+import re
+
+class StdPointerPrinter:
+ "Print a smart pointer of some kind"
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def to_string (self):
+ if self.val['_M_refcount']['_M_pi'] == 0:
+ return '%s (empty) %s' % (self.typename, self.val['_M_ptr'])
+ return '%s (count %d) %s' % (self.typename,
+ self.val['_M_refcount']['_M_pi']['_M_use_count'],
+ self.val['_M_ptr'])
+
+class UniquePointerPrinter:
+ "Print a unique_ptr"
+
+ def __init__ (self, val):
+ self.val = val
+
+ def to_string (self):
+ return self.val['_M_t']
+
+class StdListPrinter:
+ "Print a std::list"
+
+ class _iterator:
+ def __init__(self, nodetype, head):
+ self.nodetype = nodetype
+ self.base = head['_M_next']
+ self.head = head.address
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.base == self.head:
+ raise StopIteration
+ elt = self.base.cast(self.nodetype).dereference()
+ self.base = elt['_M_next']
+ count = self.count
+ self.count = self.count + 1
+ return ('[%d]' % count, elt['_M_data'])
+
+ def __init__(self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def children(self):
+ itype = self.val.type.template_argument(0)
+ # If the inferior program is compiled with -D_GLIBCXX_DEBUG
+ # some of the internal implementation details change.
+ if self.typename == "std::list":
+ nodetype = gdb.lookup_type('std::_List_node<%s>' % itype).pointer()
+ elif self.typename == "std::__debug::list":
+ nodetype = gdb.lookup_type('std::__norm::_List_node<%s>' % itype).pointer()
+ else:
+ raise ValueError, "Cannot cast list node for list printer."
+ return self._iterator(nodetype, self.val['_M_impl']['_M_node'])
+
+ def to_string(self):
+ if self.val['_M_impl']['_M_node'].address == self.val['_M_impl']['_M_node']['_M_next']:
+ return 'empty %s' % (self.typename)
+ return '%s' % (self.typename)
+
+class StdListIteratorPrinter:
+ "Print std::list::iterator"
+
+ def __init__(self, typename, val):
+ self.val = val
+ self.typename = typename
+
+ def to_string(self):
+ itype = self.val.type.template_argument(0)
+ # If the inferior program is compiled with -D_GLIBCXX_DEBUG
+ # some of the internal implementation details change.
+ if self.typename == "std::_List_iterator" or self.typename == "std::_List_const_iterator":
+ nodetype = gdb.lookup_type('std::_List_node<%s>' % itype).pointer()
+ elif self.typename == "std::__norm::_List_iterator" or self.typename == "std::__norm::_List_const_iterator":
+ nodetype = gdb.lookup_type('std::__norm::_List_node<%s>' % itype).pointer()
+ else:
+ raise ValueError, "Cannot cast list node for list iterator printer."
+ return self.val['_M_node'].cast(nodetype).dereference()['_M_data']
+
+class StdSlistPrinter:
+ "Print a __gnu_cxx::slist"
+
+ class _iterator:
+ def __init__(self, nodetype, head):
+ self.nodetype = nodetype
+ self.base = head['_M_head']['_M_next']
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.base == 0:
+ raise StopIteration
+ elt = self.base.cast(self.nodetype).dereference()
+ self.base = elt['_M_next']
+ count = self.count
+ self.count = self.count + 1
+ return ('[%d]' % count, elt['_M_data'])
+
+ def __init__(self, val):
+ self.val = val
+
+ def children(self):
+ itype = self.val.type.template_argument(0)
+ nodetype = gdb.lookup_type('__gnu_cxx::_Slist_node<%s>' % itype).pointer()
+ return self._iterator(nodetype, self.val)
+
+ def to_string(self):
+ if self.val['_M_head']['_M_next'] == 0:
+ return 'empty __gnu_cxx::slist'
+ return '__gnu_cxx::slist'
+
+class StdSlistIteratorPrinter:
+ "Print __gnu_cxx::slist::iterator"
+
+ def __init__(self, val):
+ self.val = val
+
+ def to_string(self):
+ itype = self.val.type.template_argument(0)
+ nodetype = gdb.lookup_type('__gnu_cxx::_Slist_node<%s>' % itype).pointer()
+ return self.val['_M_node'].cast(nodetype).dereference()['_M_data']
+
+class StdVectorPrinter:
+ "Print a std::vector"
+
+ class _iterator:
+ def __init__ (self, start, finish, bitvec):
+ self.bitvec = bitvec
+ if bitvec:
+ self.item = start['_M_p']
+ self.so = start['_M_offset']
+ self.finish = finish['_M_p']
+ self.fo = finish['_M_offset']
+ itype = self.item.dereference().type
+ self.isize = 8 * itype.sizeof
+ else:
+ self.item = start
+ self.finish = finish
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ count = self.count
+ self.count = self.count + 1
+ if self.bitvec:
+ if self.item == self.finish and self.so >= self.fo:
+ raise StopIteration
+ elt = self.item.dereference()
+ if elt & (1 << self.so):
+ obit = 1
+ else:
+ obit = 0
+ self.so = self.so + 1
+ if self.so >= self.isize:
+ self.item = self.item + 1
+ self.so = 0
+ return ('[%d]' % count, obit)
+ else:
+ if self.item == self.finish:
+ raise StopIteration
+ elt = self.item.dereference()
+ self.item = self.item + 1
+ return ('[%d]' % count, elt)
+
+ def __init__(self, typename, val):
+ self.typename = typename
+ self.val = val
+ self.is_bool = val.type.template_argument(0).code == gdb.TYPE_CODE_BOOL
+
+ def children(self):
+ return self._iterator(self.val['_M_impl']['_M_start'],
+ self.val['_M_impl']['_M_finish'],
+ self.is_bool)
+
+ def to_string(self):
+ start = self.val['_M_impl']['_M_start']
+ finish = self.val['_M_impl']['_M_finish']
+ end = self.val['_M_impl']['_M_end_of_storage']
+ if self.is_bool:
+ start = self.val['_M_impl']['_M_start']['_M_p']
+ so = self.val['_M_impl']['_M_start']['_M_offset']
+ finish = self.val['_M_impl']['_M_finish']['_M_p']
+ fo = self.val['_M_impl']['_M_finish']['_M_offset']
+ itype = start.dereference().type
+ bl = 8 * itype.sizeof
+ length = (bl - so) + bl * ((finish - start) - 1) + fo
+ capacity = bl * (end - start)
+ return ('%s<bool> of length %d, capacity %d'
+ % (self.typename, int (length), int (capacity)))
+ else:
+ return ('%s of length %d, capacity %d'
+ % (self.typename, int (finish - start), int (end - start)))
+
+ def display_hint(self):
+ return 'array'
+
+class StdVectorIteratorPrinter:
+ "Print std::vector::iterator"
+
+ def __init__(self, val):
+ self.val = val
+
+ def to_string(self):
+ return self.val['_M_current'].dereference()
+
+class StdTuplePrinter:
+ "Print a std::tuple"
+
+ class _iterator:
+ def __init__ (self, head):
+ self.head = head
+
+ # Set the base class as the initial head of the
+ # tuple.
+ nodes = self.head.type.fields ()
+ if len (nodes) != 1:
+ raise ValueError, "Top of tuple tree does not consist of a single node."
+
+ # Set the actual head to the first pair.
+ self.head = self.head.cast (nodes[0].type)
+ self.count = 0
+
+ def __iter__ (self):
+ return self
+
+ def next (self):
+ nodes = self.head.type.fields ()
+ # Check for further recursions in the inheritance tree.
+ if len (nodes) == 0:
+ raise StopIteration
+ # Check that this iteration has an expected structure.
+ if len (nodes) != 2:
+ raise ValueError, "Cannot parse more than 2 nodes in a tuple tree."
+
+ # - Left node is the next recursion parent.
+ # - Right node is the actual class contained in the tuple.
+
+ # Process right node.
+ impl = self.head.cast (nodes[1].type)
+
+ # Process left node and set it as head.
+ self.head = self.head.cast (nodes[0].type)
+ self.count = self.count + 1
+
+ # Finally, check the implementation. If it is
+ # wrapped in _M_head_impl return that, otherwise return
+ # the value "as is".
+ fields = impl.type.fields ()
+ if len (fields) < 1 or fields[0].name != "_M_head_impl":
+ return ('[%d]' % self.count, impl)
+ else:
+ return ('[%d]' % self.count, impl['_M_head_impl'])
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.val = val;
+
+ def children (self):
+ return self._iterator (self.val)
+
+ def to_string (self):
+ return '%s containing' % (self.typename)
+
+class StdStackOrQueuePrinter:
+ "Print a std::stack or std::queue"
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.visualizer = gdb.default_visualizer(val['c'])
+
+ def children (self):
+ return self.visualizer.children()
+
+ def to_string (self):
+ return '%s wrapping: %s' % (self.typename,
+ self.visualizer.to_string())
+
+ def display_hint (self):
+ if hasattr (self.visualizer, 'display_hint'):
+ return self.visualizer.display_hint ()
+ return None
+
+class RbtreeIterator:
+ def __init__(self, rbtree):
+ self.size = rbtree['_M_t']['_M_impl']['_M_node_count']
+ self.node = rbtree['_M_t']['_M_impl']['_M_header']['_M_left']
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def __len__(self):
+ return int (self.size)
+
+ def next(self):
+ if self.count == self.size:
+ raise StopIteration
+ result = self.node
+ self.count = self.count + 1
+ if self.count < self.size:
+ # Compute the next node.
+ node = self.node
+ if node.dereference()['_M_right']:
+ node = node.dereference()['_M_right']
+ while node.dereference()['_M_left']:
+ node = node.dereference()['_M_left']
+ else:
+ parent = node.dereference()['_M_parent']
+ while node == parent.dereference()['_M_right']:
+ node = parent
+ parent = parent.dereference()['_M_parent']
+ if node.dereference()['_M_right'] != parent:
+ node = parent
+ self.node = node
+ return result
+
+# This is a pretty printer for std::_Rb_tree_iterator (which is
+# std::map::iterator), and has nothing to do with the RbtreeIterator
+# class above.
+class StdRbtreeIteratorPrinter:
+ "Print std::map::iterator"
+
+ def __init__ (self, val):
+ self.val = val
+
+ def to_string (self):
+ valuetype = self.val.type.template_argument(0)
+ nodetype = gdb.lookup_type('std::_Rb_tree_node < %s >' % valuetype)
+ nodetype = nodetype.pointer()
+ return self.val.cast(nodetype).dereference()['_M_value_field']
+
+class StdDebugIteratorPrinter:
+ "Print a debug enabled version of an iterator"
+
+ def __init__ (self, val):
+ self.val = val
+
+ # Just strip away the encapsulating __gnu_debug::_Safe_iterator
+ # and return the wrapped iterator value.
+ def to_string (self):
+ itype = self.val.type.template_argument(0)
+ return self.val['_M_current'].cast(itype)
+
+class StdMapPrinter:
+ "Print a std::map or std::multimap"
+
+ # Turn an RbtreeIterator into a pretty-print iterator.
+ class _iter:
+ def __init__(self, rbiter, type):
+ self.rbiter = rbiter
+ self.count = 0
+ self.type = type
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.count % 2 == 0:
+ n = self.rbiter.next()
+ n = n.cast(self.type).dereference()['_M_value_field']
+ self.pair = n
+ item = n['first']
+ else:
+ item = self.pair['second']
+ result = ('[%d]' % self.count, item)
+ self.count = self.count + 1
+ return result
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def to_string (self):
+ return '%s with %d elements' % (self.typename,
+ len (RbtreeIterator (self.val)))
+
+ def children (self):
+ keytype = self.val.type.template_argument(0).const()
+ valuetype = self.val.type.template_argument(1)
+ nodetype = gdb.lookup_type('std::_Rb_tree_node< std::pair< %s, %s > >' % (keytype, valuetype))
+ nodetype = nodetype.pointer()
+ return self._iter (RbtreeIterator (self.val), nodetype)
+
+ def display_hint (self):
+ return 'map'
+
+class StdSetPrinter:
+ "Print a std::set or std::multiset"
+
+ # Turn an RbtreeIterator into a pretty-print iterator.
+ class _iter:
+ def __init__(self, rbiter, type):
+ self.rbiter = rbiter
+ self.count = 0
+ self.type = type
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ item = self.rbiter.next()
+ item = item.cast(self.type).dereference()['_M_value_field']
+ # FIXME: this is weird ... what to do?
+ # Maybe a 'set' display hint?
+ result = ('[%d]' % self.count, item)
+ self.count = self.count + 1
+ return result
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def to_string (self):
+ return '%s with %d elements' % (self.typename,
+ len (RbtreeIterator (self.val)))
+
+ def children (self):
+ keytype = self.val.type.template_argument(0)
+ nodetype = gdb.lookup_type('std::_Rb_tree_node< %s >' % keytype).pointer()
+ return self._iter (RbtreeIterator (self.val), nodetype)
+
+class StdBitsetPrinter:
+ "Print a std::bitset"
+
+ def __init__(self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def to_string (self):
+ # If template_argument handled values, we could print the
+ # size. Or we could use a regexp on the type.
+ return '%s' % (self.typename)
+
+ def children (self):
+ words = self.val['_M_w']
+ wtype = words.type
+
+ # The _M_w member can be either an unsigned long, or an
+ # array. This depends on the template specialization used.
+ # If it is a single long, convert to a single element list.
+ if wtype.code == gdb.TYPE_CODE_ARRAY:
+ tsize = wtype.target ().sizeof
+ else:
+ words = [words]
+ tsize = wtype.sizeof
+
+ nwords = wtype.sizeof / tsize
+ result = []
+ byte = 0
+ while byte < nwords:
+ w = words[byte]
+ bit = 0
+ while w != 0:
+ if (w & 1) != 0:
+ # Another spot where we could use 'set'?
+ result.append(('[%d]' % (byte * tsize * 8 + bit), 1))
+ bit = bit + 1
+ w = w >> 1
+ byte = byte + 1
+ return result
+
+class StdDequePrinter:
+ "Print a std::deque"
+
+ class _iter:
+ def __init__(self, node, start, end, last, buffer_size):
+ self.node = node
+ self.p = start
+ self.end = end
+ self.last = last
+ self.buffer_size = buffer_size
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.p == self.last:
+ raise StopIteration
+
+ result = ('[%d]' % self.count, self.p.dereference())
+ self.count = self.count + 1
+
+ # Advance the 'cur' pointer.
+ self.p = self.p + 1
+ if self.p == self.end:
+ # If we got to the end of this bucket, move to the
+ # next bucket.
+ self.node = self.node + 1
+ self.p = self.node[0]
+ self.end = self.p + self.buffer_size
+
+ return result
+
+ def __init__(self, typename, val):
+ self.typename = typename
+ self.val = val
+ self.elttype = val.type.template_argument(0)
+ size = self.elttype.sizeof
+ if size < 512:
+ self.buffer_size = int (512 / size)
+ else:
+ self.buffer_size = 1
+
+ def to_string(self):
+ start = self.val['_M_impl']['_M_start']
+ end = self.val['_M_impl']['_M_finish']
+
+ delta_n = end['_M_node'] - start['_M_node'] - 1
+ delta_s = start['_M_last'] - start['_M_cur']
+ delta_e = end['_M_cur'] - end['_M_first']
+
+ size = self.buffer_size * delta_n + delta_s + delta_e
+
+ return '%s with %d elements' % (self.typename, long (size))
+
+ def children(self):
+ start = self.val['_M_impl']['_M_start']
+ end = self.val['_M_impl']['_M_finish']
+ return self._iter(start['_M_node'], start['_M_cur'], start['_M_last'],
+ end['_M_cur'], self.buffer_size)
+
+ def display_hint (self):
+ return 'array'
+
+class StdDequeIteratorPrinter:
+ "Print std::deque::iterator"
+
+ def __init__(self, val):
+ self.val = val
+
+ def to_string(self):
+ return self.val['_M_cur'].dereference()
+
+class StdStringPrinter:
+ "Print a std::basic_string of some kind"
+
+ def __init__(self, val):
+ self.val = val
+
+ def to_string(self):
+ # Make sure &string works, too.
+ type = self.val.type
+ if type.code == gdb.TYPE_CODE_REF:
+ type = type.target ()
+
+ # Calculate the length of the string so that to_string returns
+ # the string according to length, not according to first null
+ # encountered.
+ ptr = self.val ['_M_dataplus']['_M_p']
+ realtype = type.unqualified ().strip_typedefs ()
+ reptype = gdb.lookup_type (str (realtype) + '::_Rep').pointer ()
+ header = ptr.cast(reptype) - 1
+ len = header.dereference ()['_M_length']
+ if hasattr(ptr, "lazy_string"):
+ return ptr.lazy_string (length = len)
+ return ptr.string (length = len)
+
+ def display_hint (self):
+ return 'string'
+
+class Tr1HashtableIterator:
+ def __init__ (self, hash):
+ self.count = 0
+ self.n_buckets = hash['_M_element_count']
+ if self.n_buckets == 0:
+ self.node = False
+ else:
+ self.bucket = hash['_M_buckets']
+ self.node = self.bucket[0]
+ self.update ()
+
+ def __iter__ (self):
+ return self
+
+ def update (self):
+ # If we advanced off the end of the chain, move to the next
+ # bucket.
+ while self.node == 0:
+ self.bucket = self.bucket + 1
+ self.node = self.bucket[0]
+
+ # If we advanced off the end of the bucket array, then
+ # we're done.
+ if self.count == self.n_buckets:
+ self.node = False
+ else:
+ self.count = self.count + 1
+
+ def next (self):
+ if not self.node:
+ raise StopIteration
+ result = self.node.dereference()['_M_v']
+ self.node = self.node.dereference()['_M_next']
+ self.update ()
+ return result
+
+class Tr1UnorderedSetPrinter:
+ "Print a tr1::unordered_set"
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def to_string (self):
+ return '%s with %d elements' % (self.typename, self.val['_M_element_count'])
+
+ @staticmethod
+ def format_count (i):
+ return '[%d]' % i
+
+ def children (self):
+ counter = itertools.imap (self.format_count, itertools.count())
+ return itertools.izip (counter, Tr1HashtableIterator (self.val))
+
+class Tr1UnorderedMapPrinter:
+ "Print a tr1::unordered_map"
+
+ def __init__ (self, typename, val):
+ self.typename = typename
+ self.val = val
+
+ def to_string (self):
+ return '%s with %d elements' % (self.typename, self.val['_M_element_count'])
+
+ @staticmethod
+ def flatten (list):
+ for elt in list:
+ for i in elt:
+ yield i
+
+ @staticmethod
+ def format_one (elt):
+ return (elt['first'], elt['second'])
+
+ @staticmethod
+ def format_count (i):
+ return '[%d]' % i
+
+ def children (self):
+ counter = itertools.imap (self.format_count, itertools.count())
+ # Map over the hash table and flatten the result.
+ data = self.flatten (itertools.imap (self.format_one, Tr1HashtableIterator (self.val)))
+ # Zip the two iterators together.
+ return itertools.izip (counter, data)
+
+ def display_hint (self):
+ return 'map'
+
+def register_libstdcxx_printers (obj):
+ "Register libstdc++ pretty-printers with objfile Obj."
+
+ if obj == None:
+ obj = gdb
+
+ obj.pretty_printers.append (lookup_function)
+
+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.search (typename):
+ return pretty_printers_dict[function] (val)
+
+ # Cannot find a pretty printer. Return None.
+ return None
+
+def build_libstdcxx_dictionary ():
+ # libstdc++ objects requiring pretty-printing.
+ # In order from:
+ # http://gcc.gnu.org/onlinedocs/libstdc++/latest-doxygen/a01847.html
+ pretty_printers_dict[re.compile('^std::basic_string<.*>$')] = lambda val: StdStringPrinter(val)
+ pretty_printers_dict[re.compile('^std::bitset<.*>$')] = lambda val: StdBitsetPrinter("std::bitset", val)
+ pretty_printers_dict[re.compile('^std::deque<.*>$')] = lambda val: StdDequePrinter("std::deque", val)
+ pretty_printers_dict[re.compile('^std::list<.*>$')] = lambda val: StdListPrinter("std::list", val)
+ pretty_printers_dict[re.compile('^std::map<.*>$')] = lambda val: StdMapPrinter("std::map", val)
+ pretty_printers_dict[re.compile('^std::multimap<.*>$')] = lambda val: StdMapPrinter("std::multimap", val)
+ pretty_printers_dict[re.compile('^std::multiset<.*>$')] = lambda val: StdSetPrinter("std::multiset", val)
+ pretty_printers_dict[re.compile('^std::priority_queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::priority_queue", val)
+ pretty_printers_dict[re.compile('^std::queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::queue", val)
+ pretty_printers_dict[re.compile('^std::tuple<.*>$')] = lambda val: StdTuplePrinter("std::tuple", val)
+ pretty_printers_dict[re.compile('^std::set<.*>$')] = lambda val: StdSetPrinter("std::set", val)
+ pretty_printers_dict[re.compile('^std::stack<.*>$')] = lambda val: StdStackOrQueuePrinter("std::stack", val)
+ pretty_printers_dict[re.compile('^std::unique_ptr<.*>$')] = UniquePointerPrinter
+ pretty_printers_dict[re.compile('^std::vector<.*>$')] = lambda val: StdVectorPrinter("std::vector", val)
+ # vector<bool>
+
+ # Printer registrations for classes compiled with -D_GLIBCXX_DEBUG.
+ pretty_printers_dict[re.compile('^std::__debug::bitset<.*>$')] = lambda val: StdBitsetPrinter("std::__debug::bitset", val)
+ pretty_printers_dict[re.compile('^std::__debug::deque<.*>$')] = lambda val: StdDequePrinter("std::__debug::deque", val)
+ pretty_printers_dict[re.compile('^std::__debug::list<.*>$')] = lambda val: StdListPrinter("std::__debug::list", val)
+ pretty_printers_dict[re.compile('^std::__debug::map<.*>$')] = lambda val: StdMapPrinter("std::__debug::map", val)
+ pretty_printers_dict[re.compile('^std::__debug::multimap<.*>$')] = lambda val: StdMapPrinter("std::__debug::multimap", val)
+ pretty_printers_dict[re.compile('^std::__debug::multiset<.*>$')] = lambda val: StdSetPrinter("std::__debug::multiset", val)
+ pretty_printers_dict[re.compile('^std::__debug::priority_queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::__debug::priority_queue", val)
+ pretty_printers_dict[re.compile('^std::__debug::queue<.*>$')] = lambda val: StdStackOrQueuePrinter("std::__debug::queue", val)
+ pretty_printers_dict[re.compile('^std::__debug::set<.*>$')] = lambda val: StdSetPrinter("std::__debug::set", val)
+ pretty_printers_dict[re.compile('^std::__debug::stack<.*>$')] = lambda val: StdStackOrQueuePrinter("std::__debug::stack", val)
+ pretty_printers_dict[re.compile('^std::__debug::unique_ptr<.*>$')] = UniquePointerPrinter
+ pretty_printers_dict[re.compile('^std::__debug::vector<.*>$')] = lambda val: StdVectorPrinter("std::__debug::vector", val)
+
+ # These are the TR1 and C++0x printers.
+ # For array - the default GDB pretty-printer seems reasonable.
+ pretty_printers_dict[re.compile('^std::shared_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::shared_ptr', val)
+ pretty_printers_dict[re.compile('^std::weak_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::weak_ptr', val)
+ pretty_printers_dict[re.compile('^std::unordered_map<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::unordered_map', val)
+ pretty_printers_dict[re.compile('^std::unordered_set<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::unordered_set', val)
+ pretty_printers_dict[re.compile('^std::unordered_multimap<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::unordered_multimap', val)
+ pretty_printers_dict[re.compile('^std::unordered_multiset<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::unordered_multiset', val)
+
+ pretty_printers_dict[re.compile('^std::tr1::shared_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::tr1::shared_ptr', val)
+ pretty_printers_dict[re.compile('^std::tr1::weak_ptr<.*>$')] = lambda val: StdPointerPrinter ('std::tr1::weak_ptr', val)
+ pretty_printers_dict[re.compile('^std::tr1::unordered_map<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::tr1::unordered_map', val)
+ pretty_printers_dict[re.compile('^std::tr1::unordered_set<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::tr1::unordered_set', val)
+ pretty_printers_dict[re.compile('^std::tr1::unordered_multimap<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::tr1::unordered_multimap', val)
+ pretty_printers_dict[re.compile('^std::tr1::unordered_multiset<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::tr1::unordered_multiset', val)
+
+ # These are the C++0x printer registrations for -D_GLIBCXX_DEBUG cases.
+ # The tr1 namespace printers do not seem to have any debug
+ # equivalents, so do no register them.
+ pretty_printers_dict[re.compile('^std::__debug::unordered_map<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::__debug::unordered_map', val)
+ pretty_printers_dict[re.compile('^std::__debug::unordered_set<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::__debug::unordered_set', val)
+ pretty_printers_dict[re.compile('^std::__debug::unordered_multimap<.*>$')] = lambda val: Tr1UnorderedMapPrinter ('std::__debug::unordered_multimap', val)
+ pretty_printers_dict[re.compile('^std::__debug::unordered_multiset<.*>$')] = lambda val: Tr1UnorderedSetPrinter ('std::__debug:unordered_multiset', val)
+
+
+ # Extensions.
+ pretty_printers_dict[re.compile('^__gnu_cxx::slist<.*>$')] = StdSlistPrinter
+
+ if True:
+ # These shouldn't be necessary, if GDB "print *i" worked.
+ # But it often doesn't, so here they are.
+ pretty_printers_dict[re.compile('^std::_List_iterator<.*>$')] = lambda val: StdListIteratorPrinter("std::_List_iterator",val)
+ pretty_printers_dict[re.compile('^std::_List_const_iterator<.*>$')] = lambda val: StdListIteratorPrinter("std::_List_const_iterator",val)
+ pretty_printers_dict[re.compile('^std::_Rb_tree_iterator<.*>$')] = lambda val: StdRbtreeIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^std::_Rb_tree_const_iterator<.*>$')] = lambda val: StdRbtreeIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^std::_Deque_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^std::_Deque_const_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^__gnu_cxx::__normal_iterator<.*>$')] = lambda val: StdVectorIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^__gnu_cxx::_Slist_iterator<.*>$')] = lambda val: StdSlistIteratorPrinter(val)
+
+ # Debug (compiled with -D_GLIBCXX_DEBUG) printer registrations.
+ # The Rb_tree debug iterator when unwrapped from the encapsulating __gnu_debug::_Safe_iterator
+ # does not have the __norm namespace. Just use the existing printer registration for that.
+ pretty_printers_dict[re.compile('^__gnu_debug::_Safe_iterator<.*>$')] = lambda val: StdDebugIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^std::__norm::_List_iterator<.*>$')] = lambda val: StdListIteratorPrinter ("std::__norm::_List_iterator",val)
+ pretty_printers_dict[re.compile('^std::__norm::_List_const_iterator<.*>$')] = lambda val: StdListIteratorPrinter ("std::__norm::_List_const_iterator",val)
+ pretty_printers_dict[re.compile('^std::__norm::_Deque_const_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
+ pretty_printers_dict[re.compile('^std::__norm::_Deque_iterator<.*>$')] = lambda val: StdDequeIteratorPrinter(val)
+
+pretty_printers_dict = {}
+
+build_libstdcxx_dictionary ()