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| author | Siva Chandra <sivachandra@chromium.org> | 2013-12-12 15:18:27 -0800 |
|---|---|---|
| committer | Siva Chandra <sivachandra@chromium.org> | 2013-12-12 15:21:53 -0800 |
| commit | a16b0e220dfc49ed814e779d45faab84e31a4e42 (patch) | |
| tree | 67f4c4a03309af6cd25582dd435d97781a24ca53 /gdb/doc/gdb.texinfo | |
| parent | ec0d6081a0144a61dfc79a10aaf2b96e29286180 (diff) | |
| download | gdb-a16b0e220dfc49ed814e779d45faab84e31a4e42.zip gdb-a16b0e220dfc49ed814e779d45faab84e31a4e42.tar.gz gdb-a16b0e220dfc49ed814e779d45faab84e31a4e42.tar.bz2 | |
2013-12-12 Siva Chandra Reddy <sivachandra@google.com>
PR python/16113
* NEWS (Python Scripting): Add entry for the new feature and the
new attribute of gdb.Field objects.
* python/py-type.c (gdbpy_is_field): New function
(convert_field): Add 'parent_type' attribute to gdb.Field
objects.
* python/py-value.c (valpy_getitem): Allow subscript value to be
a gdb.Field object.
(value_has_field): New function
(get_field_flag): New function
* python/python-internal.h (gdbpy_is_field): Add declaration.
testsuite/
* gdb.python/py-value-cc.cc: Improve test case.
* gdb.python/py-value-cc.exp: Add new tests to test usage of
gdb.Field objects as subscripts on gdb.Value objects.
doc/
* gdb.texinfo (Values From Inferior): Add a note about using
gdb.Field objects as subscripts on gdb.Value objects.
(Types In Python): Add description about the new attribute
"parent_type" of gdb.Field objects.
Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index d7c90f5..b7551c2 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -23985,7 +23985,17 @@ can access its @code{foo} element with: bar = some_val['foo'] @end smallexample -Again, @code{bar} will also be a @code{gdb.Value} object. +@cindex getting structure elements using gdb.Field objects as subscripts +Again, @code{bar} will also be a @code{gdb.Value} object. Structure +elements can also be accessed by using @code{gdb.Field} objects as +subscripts (@pxref{Types In Python}, for more information on +@code{gdb.Field} objects). For example, if @code{foo_field} is a +@code{gdb.Field} object corresponding to element @code{foo} of the above +structure, then @code{bar} can also be accessed as follows: + +@smallexample +bar = some_val[foo_field] +@end smallexample A @code{gdb.Value} that represents a function can be executed via inferior function call. Any arguments provided to the call must match @@ -24367,6 +24377,10 @@ this will be zero; in this case the field's size is given by its type. @item type The type of the field. This is usually an instance of @code{Type}, but it can be @code{None} in some situations. + +@item parent_type +The type which contains this field. This is an instance of +@code{gdb.Type}. @end table @end defun |