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[4/7] Preprocessor location-kind predicates

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https://gcc.gnu.org/ml/gcc-patches/2018-10/msg02040.html
	* include/line-map.h (IS_ORDINARY_LOC, IS_MACRO_LOC): New
	predicates.
	(IS_ADHOC_LOC): Move earlier.
	(MAP_ORDINARY_P): Use IS_ORDINARY_LOC.
	* line-map.c (linemap_location_from_macro_expansion_p): Use
	IS_MACRO_LOC.

From-SVN: r265689
This commit is contained in:
Nathan Sidwell 2018-10-31 14:57:13 +00:00 committed by Nathan Sidwell
parent c9fb347ea1
commit 87bacc2b39
3 changed files with 29 additions and 10 deletions
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7
libcpp/ChangeLog
View File

@ -1,5 +1,12 @@
2018-10-31 Nathan Sidwell <nathan@acm.org>
* include/line-map.h (IS_ORDINARY_LOC, IS_MACRO_LOC): New
predicates.
(IS_ADHOC_LOC): Move earlier.
(MAP_ORDINARY_P): Use IS_ORDINARY_LOC.
* line-map.c (linemap_location_from_macro_expansion_p): Use
IS_MACRO_LOC.
* include/cpplib.h (cpp_macro_definition_location): Make inline.
* macro.c (warn_of_redefinition): Fix comments, examine macro
type, use C++ for.

30
libcpp/include/line-map.h
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@ -558,12 +558,32 @@ struct GTY((tag ("2"))) line_map_macro : public line_map {
#define linemap_assert_fails(EXPR) (! (EXPR))
#endif
/* Get whether location LOC is an ad-hoc, ordinary or macro location. */
inline bool
IS_ORDINARY_LOC (source_location loc)
{
return loc < LINE_MAP_MAX_LOCATION;
}
inline bool
IS_ADHOC_LOC (source_location loc)
{
return loc > MAX_SOURCE_LOCATION;
}
inline bool
IS_MACRO_LOC (source_location loc)
{
return !IS_ORDINARY_LOC (loc) && !IS_ADHOC_LOC (loc);
}
/* Categorize line map kinds. */
inline bool
MAP_ORDINARY_P (const line_map *map)
{
return map->start_location < LINE_MAP_MAX_LOCATION;
return IS_ORDINARY_LOC (map->start_location);
}
/* Return TRUE if MAP encodes locations coming from a macro
@ -1037,14 +1057,6 @@ extern source_location get_location_from_adhoc_loc (struct line_maps *,
extern source_range get_range_from_loc (line_maps *set, source_location loc);
/* Get whether location LOC is an ad-hoc location. */
inline bool
IS_ADHOC_LOC (source_location loc)
{
return (loc & MAX_SOURCE_LOCATION) != loc;
}
/* Get whether location LOC is a "pure" location, or
whether it is an ad-hoc location, or embeds range information. */

2
libcpp/line-map.c
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@ -1238,7 +1238,7 @@ linemap_location_from_macro_expansion_p (const struct line_maps *set,
location = set->location_adhoc_data_map.data[location
& MAX_SOURCE_LOCATION].locus;
return location >= LINE_MAP_MAX_LOCATION;
return IS_MACRO_LOC (location);
}
/* Given two virtual locations *LOC0 and *LOC1, return the first