diff options
author | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-02-05 19:10:15 +0000 |
---|---|---|
committer | redi <redi@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-02-05 19:10:15 +0000 |
commit | 6c2e05ffa17a424b6243caf9d43d0e26a55fc4f8 (patch) | |
tree | 168584b38085315faf37c7293e1573279640990d /libstdc++-v3/python | |
parent | cc798c0997a6ccb3c1949a919ad4dc1b14a13268 (diff) | |
download | gcc-6c2e05ffa17a424b6243caf9d43d0e26a55fc4f8.tar.gz |
PR libstdc++/51956
* python/libstdcxx/v6/printers.py (StdPointerPrinter): Rename to...
(SharedPointerPrinter): This. Also show weak count.
* testsuite/libstdc++-prettyprinters/shared_ptr.cc: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@183914 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/python')
-rw-r--r-- | libstdc++-v3/python/libstdcxx/v6/printers.py | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py b/libstdc++-v3/python/libstdcxx/v6/printers.py index 4f34733ef46..f47da612d95 100644 --- a/libstdc++-v3/python/libstdcxx/v6/printers.py +++ b/libstdc++-v3/python/libstdcxx/v6/printers.py @@ -45,19 +45,24 @@ def find_type(orig, name): raise ValueError, "Cannot find type %s::%s" % (str(orig), name) typ = field.type -class StdPointerPrinter: - "Print a smart pointer of some kind" +class SharedPointerPrinter: + "Print a shared_ptr or weak_ptr" 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']) + state = 'empty' + refcounts = self.val['_M_refcount']['_M_pi'] + if refcounts != 0: + usecount = refcounts['_M_use_count'] + weakcount = refcounts['_M_weak_count'] + if usecount == 0: + state = 'expired, weak %d' % weakcount + else: + state = 'count %d, weak %d' % (usecount, weakcount - 1) + return '%s (%s) %s' % (self.typename, state, self.val['_M_ptr']) class UniquePointerPrinter: "Print a unique_ptr" @@ -862,8 +867,8 @@ def build_libstdcxx_dictionary (): # These are the TR1 and C++0x printers. # For array - the default GDB pretty-printer seems reasonable. - libstdcxx_printer.add_version('std::', 'shared_ptr', StdPointerPrinter) - libstdcxx_printer.add_version('std::', 'weak_ptr', StdPointerPrinter) + libstdcxx_printer.add_version('std::', 'shared_ptr', SharedPointerPrinter) + libstdcxx_printer.add_version('std::', 'weak_ptr', SharedPointerPrinter) libstdcxx_printer.add_container('std::', 'unordered_map', Tr1UnorderedMapPrinter) libstdcxx_printer.add_container('std::', 'unordered_set', @@ -875,8 +880,8 @@ def build_libstdcxx_dictionary (): libstdcxx_printer.add_container('std::', 'forward_list', StdForwardListPrinter) - libstdcxx_printer.add_version('std::tr1::', 'shared_ptr', StdPointerPrinter) - libstdcxx_printer.add_version('std::tr1::', 'weak_ptr', StdPointerPrinter) + libstdcxx_printer.add_version('std::tr1::', 'shared_ptr', SharedPointerPrinter) + libstdcxx_printer.add_version('std::tr1::', 'weak_ptr', SharedPointerPrinter) libstdcxx_printer.add_version('std::tr1::', 'unordered_map', Tr1UnorderedMapPrinter) libstdcxx_printer.add_version('std::tr1::', 'unordered_set', |