[SCM] WebKit Debian packaging branch, debian/experimental, updated. upstream/1.3.3-9427-gc2be6fc
commit-queue at webkit.org
commit-queue at webkit.org
Wed Dec 22 11:27:51 UTC 2010
The following commit has been merged in the debian/experimental branch:
commit 3ce91a567cf0bdf546658f65bf76e285ae1b98ce
Author: commit-queue at webkit.org <commit-queue at webkit.org@268f45cc-cd09-0410-ab3c-d52691b4dbfc>
Date: Mon Jul 26 13:47:05 2010 +0000
2010-07-26 Hayato Ito <hayato at chromium.org>
Reviewed by Shinichiro Hamaji.
Add pretty printer of WTF::Vector for GDB 7.
https://bugs.webkit.org/show_bug.cgi?id=40909
* gdb/wtf.py: Added.
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@64044 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/WebKitTools/ChangeLog b/WebKitTools/ChangeLog
index a7789e1..4d85069 100644
--- a/WebKitTools/ChangeLog
+++ b/WebKitTools/ChangeLog
@@ -1,3 +1,13 @@
+2010-07-26 Hayato Ito <hayato at chromium.org>
+
+ Reviewed by Shinichiro Hamaji.
+
+ Add pretty printer of WTF::Vector for GDB 7.
+
+ https://bugs.webkit.org/show_bug.cgi?id=40909
+
+ * gdb/wtf.py: Added.
+
2010-07-26 Tor Arne Vestbø <tor.arne.vestbo at nokia.com>
Reviewed by Simon Hausmann.
diff --git a/WebKitTools/gdb/wtf.py b/WebKitTools/gdb/wtf.py
new file mode 100644
index 0000000..cf4b59b
--- /dev/null
+++ b/WebKitTools/gdb/wtf.py
@@ -0,0 +1,133 @@
+# Copyright (C) 2010, Google Inc. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""GDB support for WebKit WTF types.
+
+Add this to your gdb by amending your ~/.gdbinit as follows:
+ python
+ import sys
+ sys.path.insert(0, "/path/to/tools/gdb/")
+ import wtf
+
+See http://sourceware.org/gdb/current/onlinedocs/gdb/Python.html for GDB's
+Python API.
+"""
+
+import gdb
+import re
+
+
+class WTFVectorPrinter:
+ """Pretty Printer for a WTF::Vector.
+
+ The output of this pretty printer is similar to the output of std::vector's
+ pretty printer, which is bundled in gcc.
+
+ Example gdb session should look like:
+ (gdb) p v
+ $3 = WTF::Vector of length 7, capacity 16 = {7, 17, 27, 37, 47, 57, 67}
+ (gdb) set print elements 3
+ (gdb) p v
+ $6 = WTF::Vector of length 7, capacity 16 = {7, 17, 27...}
+ (gdb) set print array
+ (gdb) p v
+ $7 = WTF::Vector of length 7, capacity 16 = {
+ 7,
+ 17,
+ 27
+ ...
+ }
+ (gdb) set print elements 200
+ (gdb) p v
+ $8 = WTF::Vector of length 7, capacity 16 = {
+ 7,
+ 17,
+ 27,
+ 37,
+ 47,
+ 57,
+ 67
+ }
+ """
+
+ class Iterator:
+ def __init__(self, start, finish):
+ self.item = start
+ self.finish = finish
+ self.count = 0
+
+ def __iter__(self):
+ return self
+
+ def next(self):
+ if self.item == self.finish:
+ raise StopIteration
+ count = self.count
+ self.count += 1
+ element = self.item.dereference()
+ self.item += 1
+ return ('[%d]' % count, element)
+
+ def __init__(self, val):
+ self.val = val
+
+ def children(self):
+ start = self.val['m_buffer']['m_buffer']
+ return self.Iterator(start, start + self.val['m_size'])
+
+ def to_string(self):
+ return ('%s of length %d, capacity %d'
+ % ('WTF::Vector', self.val['m_size'], self.val['m_buffer']['m_capacity']))
+
+ def display_hint(self):
+ return 'array'
+
+
+def lookup_function(val):
+ type = val.type
+ if type.code == gdb.TYPE_CODE_REF:
+ type = type.target()
+ type = type.unqualified().strip_typedefs()
+ typename = type.tag
+ if not typename:
+ return None
+ for function, pretty_printer in pretty_printers_dict.items():
+ if function.search(typename):
+ return pretty_printer(val)
+ return None
+
+
+def build_pretty_printers_dict():
+ pretty_printers_dict[re.compile('^WTF::Vector<.*>$')] = WTFVectorPrinter
+
+
+pretty_printers_dict = {}
+
+build_pretty_printers_dict()
+
+gdb.pretty_printers.append(lookup_function)
--
WebKit Debian packaging
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