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Allow the use of ad-hoc locations for fix-it hints

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Currently the fix-it validator rejects ad-hoc locations.
Fix this by calling get_pure_location on the input locations to
add_fixit_insert/replace.  Doing so requires moving get_pure_location
from gcc to libcpp.

gcc/ChangeLog:
	* diagnostic-show-locus.c
	(selftest::test_one_liner_fixit_validation_adhoc_locations): New
	function.
	(selftest::test_diagnostic_show_locus_one_liner): Call it.
	* input.c (get_pure_location): Move to libcpp/line-map.c.
	* input.h (get_pure_location): Convert decl to an inline function
	calling implementation in libcpp.

libcpp/ChangeLog:
	* include/line-map.h (get_pure_location): New decl.
	* line-map.c (get_pure_location): Move here, from gcc/input.c, adding
	a line_maps * param.
	(rich_location::add_fixit_insert): Call get_pure_location on "where".
	(rich_location::add_fixit_replace): Call get_pure_location on the
	end-points.

From-SVN: r239843
This commit is contained in:
David Malcolm
2016-08-29 20:42:57 +00:00
committed by David Malcolm
parent adfa1e6b37
commit 2aa514130a
7 changed files with 127 additions and 23 deletions
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27
libcpp/line-map.c
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@@ -311,6 +311,28 @@ pure_location_p (line_maps *set, source_location loc)
return true;
}
/* Given location LOC within SET, strip away any packed range information
or ad-hoc information. */
source_location
get_pure_location (line_maps *set, source_location loc)
{
if (IS_ADHOC_LOC (loc))
loc
= set->location_adhoc_data_map.data[loc & MAX_SOURCE_LOCATION].locus;
if (loc >= LINEMAPS_MACRO_LOWEST_LOCATION (set))
return loc;
if (loc < RESERVED_LOCATION_COUNT)
return loc;
const line_map *map = linemap_lookup (set, loc);
const line_map_ordinary *ordmap = linemap_check_ordinary (map);
return loc & ~((1 << ordmap->m_range_bits) - 1);
}
/* Finalize the location_adhoc_data structure. */
void
location_adhoc_data_fini (struct line_maps *set)
@@ -2077,6 +2099,8 @@ void
rich_location::add_fixit_insert (source_location where,
const char *new_content)
{
where = get_pure_location (m_line_table, where);
if (reject_impossible_fixit (where))
return;
@@ -2141,6 +2165,9 @@ rich_location::add_fixit_replace (source_range src_range,
{
linemap_assert (m_num_fixit_hints < MAX_FIXIT_HINTS);
src_range.m_start = get_pure_location (m_line_table, src_range.m_start);
src_range.m_finish = get_pure_location (m_line_table, src_range.m_finish);
if (reject_impossible_fixit (src_range.m_start))
return;
if (reject_impossible_fixit (src_range.m_finish))