Pedro Alves 07e253aa3b Introduce gdb::function_view ... This commit adds a new function_view type. This type holds a non-owning reference to a callable. It is meant to be used as callback type of functions, instead of using the C-style pair of function pointer and 'void *data' arguments. function_view allows passing references to stateful function objects / lambdas with captures as callbacks efficiently, while function pointer + 'void *' does not. See the intro in the new function-view.h header for more. Unit tests included, put into a new gdb/unittests/ subdir. gdb/ChangeLog: 2017-02-23 Pedro Alves <palves@redhat.com> * Makefile.in (SUBDIR_UNITTESTS_SRCS, SUBDIR_UNITTESTS_OBS): New. (%.o) <unittests/%.c>: New pattern. * configure.ac ($development): Add $(SUBDIR_UNITTESTS_OBS) to CONFIG_OBS, and $(SUBDIR_UNITTESTS_SRCS) to CONFIG_SRCS. * common/function-view.h: New file. * unittests/function-view-selftests.c: New file. * configure: Regenerate.		2017-02-23 16:14:08 +00:00
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function-view-selftests.c