[SCM] archer-tromey-python: * Makefile.in (PY_FILES): Add caller_is.py.

[SCM] archer-tromey-python: * Makefile.in (PY_FILES): Add caller_is.py.

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- Log -----------------------------------------------------------------
commit 5bbc9e9236e752b546f99749a2ebc758c5fb7fcf
Author: Tom Tromey <tromey@redhat.com>
Date:   Sun Nov 23 14:38:00 2008 -0700

    	* Makefile.in (PY_FILES): Add caller_is.py.
    	* python/lib/gdb/function/caller_is.py: New file.
    	* python/lib/gdb/command/require.py: Add "require function".

-----------------------------------------------------------------------

Summary of changes:
 gdb/ChangeLog                            |    6 +++
 gdb/Makefile.in                          |    5 ++-
 gdb/python/lib/gdb/command/require.py    |    2 +-
 gdb/python/lib/gdb/function/caller_is.py |   58 ++++++++++++++++++++++++++++++
 4 files changed, 68 insertions(+), 3 deletions(-)
 create mode 100644 gdb/python/lib/gdb/function/caller_is.py

First 500 lines of diff:
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 47e01b5..2bab40d 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
 2008-11-23  Tom Tromey  <tromey@redhat.com>
 
+	* Makefile.in (PY_FILES): Add caller_is.py.
+	* python/lib/gdb/function/caller_is.py: New file.
+	* python/lib/gdb/command/require.py: Add "require function".
+
+2008-11-23  Tom Tromey  <tromey@redhat.com>
+
 	* Makefile.in (PY_DIRS): Update.
 	(PY_FILES): List new files.
 	* python/lib/gdb/FrameIterator.py: New file.
diff --git a/gdb/Makefile.in b/gdb/Makefile.in
index 26e4aaf..6ef02bf 100644
--- a/gdb/Makefile.in
+++ b/gdb/Makefile.in
@@ -1917,12 +1917,13 @@ python-value.o: $(srcdir)/python/python-value.c
 # first.  These are maintained by hand because that is simpler than
 # writing portable sh to make the __init__.py files, and the result is
 # faster.
-PY_DIRS = gdb gdb/command gdb/libstdcxx gdb/libstdcxx/v6
+PY_DIRS = gdb gdb/command gdb/function gdb/libstdcxx gdb/libstdcxx/v6
 
 # All python library files, with the "python/lib" stripped off.
 # Note that we should only install files in the "gdb" module.
 PY_FILES = gdb/backtrace.py gdb/command/alias.py \
-    gdb/command/backtrace.py gdb/command/require.py gdb/FrameIterator.py \
+    gdb/command/backtrace.py gdb/command/require.py \
+    gdb/function/caller_is.py gdb/FrameIterator.py \
     gdb/__init__.py gdb/libstdcxx/v6/printers.py
 
 # Install the Python library.  Python library files go under
diff --git a/gdb/python/lib/gdb/command/require.py b/gdb/python/lib/gdb/command/require.py
index 2112b9a..36b63e5 100644
--- a/gdb/python/lib/gdb/command/require.py
+++ b/gdb/python/lib/gdb/command/require.py
@@ -54,4 +54,4 @@ class RequireSubcommand (gdb.Command):
 
 RequireCommand()
 RequireSubcommand("command")
-# Don't install a "require function" command until we have one.
+RequireSubcommand("function")
diff --git a/gdb/python/lib/gdb/function/caller_is.py b/gdb/python/lib/gdb/function/caller_is.py
new file mode 100644
index 0000000..8afa721
--- /dev/null
+++ b/gdb/python/lib/gdb/function/caller_is.py
@@ -0,0 +1,58 @@
+# Caller-is functions.
+
+# Copyright (C) 2008 Free Software Foundation, Inc.
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import gdb
+import re
+
+class CallerIs (gdb.Function):
+    """Return True if the calling function's name is equal to a string.
+This function takes one or two arguments.
+The first argument is the name of a function; if the calling function's
+name is equal to this argument, this function returns True.
+The optional second argument tells this function how many stack frames
+to traverse to find the calling function.  The default is 1."""
+
+    def __init__ (self):
+        super (CallerIs, self).__init__ ("caller_is")
+
+    def invoke (self, name, nframes = 1):
+        frame = gdb.get_current_frame ()
+        while nframes > 0:
+            frame = frame.get_prev ()
+            nframes = nframes - 1
+        return frame.get_name () == name.string ()
+
+class CallerMatches (gdb.Function):
+    """Return True if the calling function's name matches a string.
+This function takes one or two arguments.
+The first argument is a regular expression; if the calling function's
+name is matched by this argument, this function returns True.
+The optional second argument tells this function how many stack frames
+to traverse to find the calling function.  The default is 1."""
+
+    def __init__ (self):
+        super (CallerMatches, self).__init__ ("caller_matches")
+
+    def invoke (self, name, nframes = 1):
+        frame = gdb.get_current_frame ()
+        while nframes > 0:
+            frame = frame.get_prev ()
+            nframes = nframes - 1
+        return re.match (name.string (), frame.get_name ()) is not None
+
+CallerIs()
+CallerMatches()


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