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132 lines
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2013-08-20 Phil Muldoon <pmuldoon@redhat.com>
PR libstdc++/53477
http://sourceware.org/bugzilla/show_bug.cgi?id=15195
* python/libstdcxx/v6/printers.py (Printer.__call__): If a value
is a reference, fetch referenced value.
(RxPrinter.invoke): Ditto.
* testsuite/libstdc++-prettyprinters/cxx11.cc (main): Add -O0
flag. Add referenced value tests.
--- libstdc++-v3/python/libstdcxx/v6/printers.py (revision 201887)
+++ libstdc++-v3/python/libstdcxx/v6/printers.py (revision 201888)
@@ -786,6 +786,11 @@ class RxPrinter(object):
def invoke(self, value):
if not self.enabled:
return None
+
+ if value.type.code == gdb.TYPE_CODE_REF:
+ if hasattr(gdb.Value,"referenced_value"):
+ value = value.referenced_value()
+
return self.function(self.name, value)
# A pretty-printer that conforms to the "PrettyPrinter" protocol from
@@ -841,6 +846,11 @@ class Printer(object):
return None
basename = match.group(1)
+
+ if val.type.code == gdb.TYPE_CODE_REF:
+ if hasattr(gdb.Value,"referenced_value"):
+ val = val.referenced_value()
+
if basename in self.lookup:
return self.lookup[basename].invoke(val)
--- libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc (revision 201887)
+++ libstdc++-v3/testsuite/libstdc++-prettyprinters/cxx11.cc (revision 201888)
@@ -1,5 +1,5 @@
// { dg-do run }
-// { dg-options "-std=gnu++11 -g" }
+// { dg-options "-std=gnu++11 -g -O0" }
// Copyright (C) 2011-2013 Free Software Foundation, Inc.
//
@@ -24,6 +24,8 @@
#include <string>
#include <iostream>
+typedef std::tuple<int, int> ExTuple;
+
template<class T>
void
placeholder(const T &s)
@@ -62,43 +64,75 @@ main()
std::forward_list<int> efl;
// { dg-final { note-test efl "empty std::forward_list" } }
+ std::forward_list<int> &refl = efl;
+// { dg-final { note-test refl "empty std::forward_list" } }
+
std::forward_list<int> fl;
fl.push_front(2);
fl.push_front(1);
// { dg-final { note-test fl {std::forward_list = {[0] = 1, [1] = 2}} } }
+ std::forward_list<int> &rfl = fl;
+// { dg-final { note-test rfl {std::forward_list = {[0] = 1, [1] = 2}} } }
+
std::unordered_map<int, std::string> eum;
// { dg-final { note-test eum "std::unordered_map with 0 elements" } }
+ std::unordered_map<int, std::string> &reum = eum;
+// { dg-final { note-test reum "std::unordered_map with 0 elements" } }
+
std::unordered_multimap<int, std::string> eumm;
// { dg-final { note-test eumm "std::unordered_multimap with 0 elements" } }
+ std::unordered_multimap<int, std::string> &reumm = eumm;
+// { dg-final { note-test reumm "std::unordered_multimap with 0 elements" } }
+
std::unordered_set<int> eus;
// { dg-final { note-test eus "std::unordered_set with 0 elements" } }
+ std::unordered_set<int> &reus = eus;
+// { dg-final { note-test reus "std::unordered_set with 0 elements" } }
+
std::unordered_multiset<int> eums;
// { dg-final { note-test eums "std::unordered_multiset with 0 elements" } }
+ std::unordered_multiset<int> &reums = eums;
+// { dg-final { note-test reums "std::unordered_multiset with 0 elements" } }
std::unordered_map<int, std::string> uom;
uom[5] = "three";
uom[3] = "seven";
// { dg-final { note-test uom {std::unordered_map with 2 elements = {[3] = "seven", [5] = "three"}} } }
+ std::unordered_map<int, std::string> &ruom = uom;
+// { dg-final { note-test ruom {std::unordered_map with 2 elements = {[3] = "seven", [5] = "three"}} } }
+
std::unordered_multimap<int, std::string> uomm;
uomm.insert(std::pair<int, std::string> (5, "three"));
uomm.insert(std::pair<int, std::string> (5, "seven"));
// { dg-final { note-test uomm {std::unordered_multimap with 2 elements = {[5] = "seven", [5] = "three"}} } }
+ std::unordered_multimap<int, std::string> &ruomm = uomm;
+// { dg-final { note-test ruomm {std::unordered_multimap with 2 elements = {[5] = "seven", [5] = "three"}} } }
std::unordered_set<int> uos;
uos.insert(5);
// { dg-final { note-test uos {std::unordered_set with 1 elements = {[0] = 5}} } }
+ std::unordered_set<int> &ruos = uos;
+// { dg-final { note-test ruos {std::unordered_set with 1 elements = {[0] = 5}} } }
std::unordered_multiset<int> uoms;
uoms.insert(5);
// { dg-final { note-test uoms {std::unordered_multiset with 1 elements = {[0] = 5}} } }
+ std::unordered_multiset<int> &ruoms = uoms;
+// { dg-final { note-test ruoms {std::unordered_multiset with 1 elements = {[0] = 5}} } }
std::unique_ptr<datum> uptr (new datum);
uptr->s = "hi bob";
uptr->i = 23;
// { dg-final { regexp-test uptr {std::unique_ptr.datum. containing 0x.*} } }
+ std::unique_ptr<datum> &ruptr = uptr;
+// { dg-final { regexp-test ruptr {std::unique_ptr.datum. containing 0x.*} } }
+ ExTuple tpl(6,7);
+// { dg-final { note-test tpl {std::tuple containing = {[1] = 6, [2] = 7}} } }
+ ExTuple &rtpl = tpl;
+// { dg-final { note-test rtpl {std::tuple containing = {[1] = 6, [2] = 7}} } }
placeholder(""); // Mark SPOT
use(efl);
use(fl);