[RFC - Python Scripting] Add 'end' attribute to gdb.Symtab_and_line

[Siva Chandra <sivachandra at google dot com>]

Hello,

Attached is a patch which adds the 'end' attribute to
gdb.Symtab_and_line.  Essentially, it exposes the 'end' field of
'struct symtab_and_line'.

Though I have named the new attribute 'end' in the attached patch, I
would like to discuss this.  There is already an attribute 'pc' which
is described as "Indicates the current program counter address" in the
documentation.  I do not think this description is accurate: 'pc' is
actually the begin address of the program counter address range for
the current source line.  To indicate the right meaning of 'pc' and
the new 'end' attribute, should they be named 'start_pc' and 'end_pc'
respectively, at least in the python API?

2012-05-21  Siva Chandra Reddy  <sivachandra@google.com>

        New attribute 'end' for gdb.Symtab_and_line.
        * NEWS (Python Scripting): Add entry about the new attribute.
        * python/py-symtab.c (salpy_get_end): New function which
        implements the get method for the 'end' attribute of
        gdb.Symtab_and_line.
        (sal_object_getset): Add entry for the 'end' attribute.

        doc/
        * gdb.texinfo (Symbol Tables In Python): Add description about
        the new 'end' attribute of gdb.Symtab_and line.

        testsuite/
        * gdb.python/py-symtab.exp: Add tests to test the new
attribute
        'end' of gdb.Symtab_and_line.
        * gdb.python/py-symbol.c: Move break point comment to enable
        testing of gdb.Symtab_and_line.end.

Thanks,
Siva Chandra

Attachment: sal_end_patch_v1.txt
Description: Text document