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Add $_as_string convenience function

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This patch is a follow-up to "Add printf format specifier for printing
enumerator":

  https://sourceware.org/ml/gdb-patches/2016-02/msg00144.html

Instead of having a solution specific to the printf command, Pedro
suggested adding a general purpose function $_as_string() that would
cover this use case and more.

So, in order to print the textual label of an enum, one can use:

  (gdb) printf "Visiting node of type %s\n", $_as_string(node)
  Visiting node of type NODE_INTEGER

gdb/ChangeLog:

	* data-directory/Makefile.in (PYTHON_FILE_LIST): Install
	gdb/function/as_string.py.
	* python/lib/gdb/function/as_string.py: New file.
	* NEWS: Mention the new $_as_string function.

gdb/testsuite/ChangeLog:

	* gdb.python/py-as-string.exp: New file.
	* gdb.python/py-as-string.c: New file.

gdb/doc/ChangeLog:

	* gdb.texinfo (Convenience Functions): Document $_as_string.
This commit is contained in:
Simon Marchi
2016-03-10 17:12:30 -05:00
committed by Simon Marchi
parent a9f02af88d
commit f2f3ccb9f8
9 changed files with 145 additions and 0 deletions
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gdb/data-directory/Makefile.in
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@@ -74,6 +74,7 @@ PYTHON_FILE_LIST = \
gdb/command/prompt.py \
gdb/command/explore.py \
gdb/function/__init__.py \
gdb/function/as_string.py \
gdb/function/caller_is.py \
gdb/function/strfns.py \
gdb/printer/__init__.py \