tree 919254357974eb80a5df8b69f7269f9929f0f2e5
parent aae57f595f097904194a8afbada6ff7a5c1525e1
author Mark Wielaard <mark@klomp.org> 1587472101 +0200
committer Giuliano Procida <gprocida@google.com> 1615470124 +0000

Add --merge-translation-units option.

It is not always necessary to know in which translation unit a type,
variable or function was defined first. Provide an option to simply
merge all translation units for the same language (and address size).
This also reduces the size of the XML representation of the corpus by
~10% on a simple C only library.

Currently only implemented for the DWARF reader and abidw tool.

	* doc/manuals/abidw.rst: Document --merge-translation-units.
	* include/abg-dwarf-reader.h (set_merge_translation_units):
	New function.
	* src/abg-dwarf-reader.cc (read_context): Add
	merge_translation_units_ bool, merge_translation_units and
	merge_translation_units methods.
	(set_merge_translation_units): New function.
	(read_context::build_translation_unit_and_add_to_ir): Check
	merge_translation_units to see how to find an existing
	(compatible) translation_unit to use. Drop path and
	compilation_dir when merging translation_units.
	* src/abg-reader.cc (read_context): Add m_merge_translation_units
	bool, merge_translation_units and merge_translation_units methods.
	* tools/abidw.cc (options): Add merge_translation_units bool.
	(display_usage): Describe --merge-translation-units.
	(parse_command_line): Parse --merge-translation-units.
	(main): Call set_merge_translation_units.

Signed-off-by: Mark Wielaard <mark@klomp.org>
Change-Id: Ic4553900277ba032a4b9481f1950ad497decfd28
Signed-off-by: Giuliano Procida <gprocida@google.com>