From: Philipp Fent <fent@in.tum.de>
To: libstdc++@gcc.gnu.org, gcc-patches@gcc.gnu.org
Cc: Philipp Fent <fent@in.tum.de>
Subject: [PATCH 2/2] libstdc++: Add pretty printer for std::stringstream
Date: Sun, 4 Sep 2022 20:47:35 +0200 [thread overview]
Message-ID: <20220904184735.177348-2-fent@in.tum.de> (raw)
In-Reply-To: <20220904184735.177348-1-fent@in.tum.de>
Signed-off-by: Philipp Fent <fent@in.tum.de>
---
libstdc++-v3/python/libstdcxx/v6/printers.py | 37 +++++++++++++++++++
.../libstdc++-prettyprinters/debug.cc | 5 +++
.../libstdc++-prettyprinters/simple.cc | 5 +++
.../libstdc++-prettyprinters/simple11.cc | 5 +++
4 files changed, 52 insertions(+)
diff --git a/libstdc++-v3/python/libstdcxx/v6/printers.py b/libstdc++-v3/python/libstdcxx/v6/printers.py
index d70c8d5d616..5083f693387 100644
--- a/libstdc++-v3/python/libstdcxx/v6/printers.py
+++ b/libstdc++-v3/python/libstdcxx/v6/printers.py
@@ -969,6 +969,39 @@ class StdStringPrinter:
def display_hint (self):
return 'string'
+class StdStringBufPrinter:
+ "Print a std::basic_stringbuf"
+
+ def __init__(self, _, val):
+ self.val = val
+
+ def to_string(self):
+ pbase = self.val['_M_out_beg']
+ pptr = self.val['_M_out_cur']
+ egptr = self.val['_M_in_end']
+ # Logic from basic_stringbuf::_M_high_mark()
+ if pptr:
+ if not egptr or pptr > egptr:
+ return pbase.string(length = pptr - pbase)
+ else:
+ return pbase.string(length = pptr - egptr)
+ return self.val['_M_string']
+
+ def display_hint(self):
+ return 'string'
+
+class StdStringStreamPrinter:
+ "Print a std::basic_stringstream"
+
+ def __init__(self, _, val):
+ self.val = val
+
+ def to_string(self):
+ return self.val['_M_stringbuf']
+
+ def display_hint(self):
+ return 'string'
+
class Tr1HashtableIterator(Iterator):
def __init__ (self, hashtable):
self.buckets = hashtable['_M_buckets']
@@ -2232,6 +2265,10 @@ def build_libstdcxx_dictionary ():
libstdcxx_printer.add_version('std::', 'initializer_list',
StdInitializerListPrinter)
libstdcxx_printer.add_version('std::', 'atomic', StdAtomicPrinter)
+ libstdcxx_printer.add_version('std::', 'basic_stringbuf', StdStringBufPrinter)
+ libstdcxx_printer.add_version('std::__cxx11::', 'basic_stringbuf', StdStringBufPrinter)
+ libstdcxx_printer.add_version('std::', 'basic_stringstream', StdStringStreamPrinter)
+ libstdcxx_printer.add_version('std::__cxx11::', 'basic_stringstream', StdStringStreamPrinter)
# std::regex components
libstdcxx_printer.add_version('std::__detail::', '_State',
diff --git a/libstdc++-v3/testsuite/libstdc++-prettyprinters/debug.cc b/libstdc++-v3/testsuite/libstdc++-prettyprinters/debug.cc
index 98bbc182551..7efec6d0f8b 100644
--- a/libstdc++-v3/testsuite/libstdc++-prettyprinters/debug.cc
+++ b/libstdc++-v3/testsuite/libstdc++-prettyprinters/debug.cc
@@ -29,6 +29,7 @@
#include <list>
#include <map>
#include <set>
+#include <sstream>
#include <vector>
#include <ext/slist>
@@ -110,6 +111,10 @@ main()
__gnu_cxx::slist<int>::iterator slliter = sll.begin();
// { dg-final { note-test slliter {47} } }
+ std::stringstream sstream;
+ sstream << "abc";
+// { dg-final { note-test sstream "\"abc\"" } }
+
std::cout << "\n";
return 0; // Mark SPOT
}
diff --git a/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple.cc b/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple.cc
index 1f85775bff0..584989ce09f 100644
--- a/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple.cc
+++ b/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple.cc
@@ -30,6 +30,7 @@
#include <list>
#include <map>
#include <set>
+#include <sstream>
#include <vector>
#include <ext/slist>
@@ -169,6 +170,10 @@ main()
__gnu_cxx::slist<int>::iterator slliter0;
// { dg-final { note-test slliter0 {non-dereferenceable iterator for __gnu_cxx::slist} } }
+ std::stringstream sstream;
+ sstream << "abc";
+// { dg-final { note-test sstream "\"abc\"" } }
+
std::cout << "\n";
return 0; // Mark SPOT
}
diff --git a/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple11.cc b/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple11.cc
index 6f21675cf41..6edd7e929fe 100644
--- a/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple11.cc
+++ b/libstdc++-v3/testsuite/libstdc++-prettyprinters/simple11.cc
@@ -30,6 +30,7 @@
#include <list>
#include <map>
#include <set>
+#include <sstream>
#include <vector>
#include <ext/slist>
@@ -162,6 +163,10 @@ main()
__gnu_cxx::slist<int>::iterator slliter0;
// { dg-final { note-test slliter0 {non-dereferenceable iterator for __gnu_cxx::slist} } }
+ std::stringstream sstream;
+ sstream << "abc";
+// { dg-final { note-test sstream "\"abc\"" } }
+
std::cout << "\n";
return 0; // Mark SPOT
}
--
2.37.3
next prev parent reply other threads:[~2022-09-04 18:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-04 18:47 [PATCH 1/2] libstdc++: Fix pretty printer tests of tuple indexes Philipp Fent
2022-09-04 18:47 ` Philipp Fent [this message]
2022-09-06 11:27 ` [PATCH 2/2] libstdc++: Add pretty printer for std::stringstream Jonathan Wakely
2022-09-06 21:24 ` [PATCH v2] libstdc++: Add pretty printer for std::stringstreams Philipp Fent
2022-09-14 12:45 ` Jonathan Wakely
2022-09-12 8:37 ` [PATCH 2/2] libstdc++: Add pretty printer for std::stringstream Philipp Fent
2022-09-06 1:06 ` [PATCH 1/2] libstdc++: Fix pretty printer tests of tuple indexes Will Hawkins
2022-09-06 11:12 ` Jonathan Wakely
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