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| author | Jonathan Wakely <jwakely.gcc@gmail.com> | 2011-12-22 12:33:15 +0000 |
|---|---|---|
| committer | Jonathan Wakely <redi@gcc.gnu.org> | 2011-12-22 12:33:15 +0000 |
| commit | 9dacb44bf10a5151a0d0e1a2a22865ed00575d40 (patch) | |
| tree | d7291e3d4d1965db44c60d0a07ed5d63765e5d8e /libstdc++-v3/python | |
| parent | 2d1debf816aec77401023e308a136288d42c7237 (diff) | |
| download | gcc-9dacb44bf10a5151a0d0e1a2a22865ed00575d40.zip gcc-9dacb44bf10a5151a0d0e1a2a22865ed00575d40.tar.gz gcc-9dacb44bf10a5151a0d0e1a2a22865ed00575d40.tar.bz2 | |
re PR libstdc++/48362 (pretty printer fails for zero-size std::tuple<>)
PR libstdc++/48362
* python/libstdcxx/v6/printers.py (StdTuplePrinter): Handle empty
tuples.
From-SVN: r182620
Diffstat (limited to 'libstdc++-v3/python')
| -rw-r--r-- | libstdc++-v3/python/libstdcxx/v6/printers.py | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py b/libstdc++-v3/python/libstdcxx/v6/printers.py index 241ae04..4197c08 100644 --- a/libstdc++-v3/python/libstdcxx/v6/printers.py +++ b/libstdc++-v3/python/libstdcxx/v6/printers.py @@ -251,11 +251,11 @@ class StdTuplePrinter: # Set the base class as the initial head of the # tuple. nodes = self.head.type.fields () - if len (nodes) != 1: + if len (nodes) == 1: + # Set the actual head to the first pair. + self.head = self.head.cast (nodes[0].type) + elif len (nodes) != 0: 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): @@ -297,6 +297,8 @@ class StdTuplePrinter: return self._iterator (self.val) def to_string (self): + if len (self.val.type.fields ()) == 0: + return 'empty %s' % (self.typename) return '%s containing' % (self.typename) class StdStackOrQueuePrinter: |