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[PATCH] matrix prettyprinting
- From: Chris Moller <cmoller at redhat dot com>
- To: libstdc++ at gcc dot gnu dot org
- Cc: gcc-patches at gcc dot gnu dot org, "gdb-patches at sourceware dot org" <gdb-patches at sourceware dot org>
- Date: Tue, 01 Jun 2010 10:16:21 -0400
- Subject: [PATCH] matrix prettyprinting
This is a small patch to libstdc++-v3/python/libstdcxx/v6/printers.py
that goes with a matrix prettyprinter in gdb.
Chris Moller
Index: libstdc++-v3/python/libstdcxx/v6/printers.py
===================================================================
--- libstdc++-v3/python/libstdcxx/v6/printers.py (revision 159937)
+++ libstdc++-v3/python/libstdcxx/v6/printers.py (working copy)
@@ -19,6 +19,9 @@
import itertools
import re
+vector_sig = 'std::vector'
+vector_regex = re.compile('^' + vector_sig + '<.*>$')
+
class StdPointerPrinter:
"Print a smart pointer of some kind"
@@ -186,7 +189,13 @@
% (self.typename, int (finish - start), int (end - start)))
def display_hint(self):
- return 'array'
+ itype0 = self.val.type.template_argument(0)
+ itag = itype0.tag
+ if itag and re.match(vector_regex, itag):
+ rc = 'matrix'
+ else:
+ rc = 'array'
+ return rc
class StdVectorIteratorPrinter:
"Print std::vector::iterator"
@@ -692,7 +701,7 @@
pretty_printers_dict[re.compile('^std::set<.*>$')] = 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)
+ pretty_printers_dict[vector_regex] = lambda val: StdVectorPrinter(vector_sig, val)
# vector<bool>
# Printer registrations for classes compiled with -D_GLIBCXX_DEBUG.
Index: libstdc++-v3/ChangeLog
===================================================================
--- libstdc++-v3/ChangeLog (revision 159937)
+++ libstdc++-v3/ChangeLog (working copy)
@@ -1,3 +1,8 @@
+2010-06-01 Chris Moller <cmoller@redhat.com>
+
+ * python/libstdcxx/v6/printers.py (StdVectorPrinter): Add
+ detection for matrices as nested vectors.
+
2010-05-27 Paolo Carlini <paolo.carlini@oracle.com>
PR libstdc++/40497