[PATCHv2 0/2] Python Style API

[Andrew Burgess <aburgess@redhat.com>]

In v2:

  - Fixed an issue with the py-style-parameter-set.exp test; GDB was
    not started in a terminal with styling support in one case, so
    tests would fail depending on how the testsuite was being run.

---

After the gdb.Color support was added to the Python API I wondered if
this would be enough to easily add styling to custom Python commands.
But I don't think it is, there's still lots that would need to be
handled in user code, for example, the intensity setting.  And having
styles that track named styles (e.g. if I want to apply the 'filename'
style to some text from Python).

So this series builds on top of the gdb.Color API to provide a new
gdb.Style API which, I hope, makes it easy to start writing Python
commands that can use GDB's styles.

Here's an example of a simple custome command that uses styles:

  import os

  class user_home_cmd(gdb.Command):
      def __init__(self):
          super().__init__("user-home", gdb.COMMAND_USER)
          self._style = gdb.Style('filename')

      def invoke(self, args, from_tty):
          print("The filename is %s."
                % (self._style.apply(os.environ['HOME'])))

  user_home_cmd()

The new 'user-home' command prints the current users home directory
using 'filename' style.  Changing the 'filename' style and re-running
the command will track the style changes.

Thanks,
Andrew

---

Andrew Burgess (2):
  gdb/python: add gdb.Style class
  gdb/python: new class gdb.StyleParameterSet

 gdb/Makefile.in                               |   1 +
 gdb/NEWS                                      |  11 +
 gdb/doc/python.texi                           | 253 ++++++
 gdb/python/lib/gdb/__init__.py                | 209 +++++
 gdb/python/py-style.c                         | 797 ++++++++++++++++++
 .../gdb.python/py-style-parameter-set.exp     | 366 ++++++++
 gdb/testsuite/gdb.python/py-style.exp         | 339 ++++++++
 gdb/ui-style.h                                |   6 +
 8 files changed, 1982 insertions(+)
 create mode 100644 gdb/python/py-style.c
 create mode 100644 gdb/testsuite/gdb.python/py-style-parameter-set.exp
 create mode 100644 gdb/testsuite/gdb.python/py-style.exp


base-commit: f84a4db958af0ee1521acdf69eb2be38ea2e66a3
-- 
2.47.1