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[libcpp] fix some line map comments 

https://gcc.gnu.org/ml/gcc-patches/2018-08/msg01978.html
	* include/line-map.h (enum lc_reason): Comment each member
	separately.
	(struct line_maps): Fix reallocator comment.

From-SVN: r263987
This commit is contained in:
Nathan Sidwell 2018-08-30 15:16:21 +00:00 committed by Nathan Sidwell
parent 2fb17d2d90
commit 24c35f687a
2 changed files with 13 additions and 14 deletions
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6
libcpp/ChangeLog
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@ -1,3 +1,9 @@
2018-08-30 Nathan Sidwell <nathan@acm.org>
* include/line-map.h (enum lc_reason): Comment each member
separately.
(struct line_maps): Fix reallocator comment.
2018-08-27 David Malcolm <dmalcolm@redhat.com>
PR 87091

21
libcpp/include/line-map.h
View File

@ -61,20 +61,14 @@ inline int compare (linenum_type lhs, linenum_type rhs)
return 0;
}
/* Reason for creating a new line map with linemap_add. LC_ENTER is
when including a new file, e.g. a #include directive in C.
LC_LEAVE is when reaching a file's end. LC_RENAME is when a file
name or line number changes for neither of the above reasons
(e.g. a #line directive in C); LC_RENAME_VERBATIM is like LC_RENAME
but a filename of "" is not specially interpreted as standard
input. LC_ENTER_MACRO is when a macro expansion is about to start. */
/* Reason for creating a new line map with linemap_add. */
enum lc_reason
{
LC_ENTER = 0,
LC_LEAVE,
LC_RENAME,
LC_RENAME_VERBATIM,
LC_ENTER_MACRO,
LC_ENTER = 0, /* Begin #include. */
LC_LEAVE, /* Return to including file. */
LC_RENAME, /* Other reason for name change. */
LC_RENAME_VERBATIM, /* Likewise, but "" != stdin. */
LC_ENTER_MACRO, /* Begin macro expansion. */
/* FIXME: add support for stringize and paste. */
LC_HWM /* High Water Mark. */
};
@ -777,8 +771,7 @@ struct GTY(()) line_maps {
may require allocating a new line_map. */
unsigned int max_column_hint;
/* If non-null, the allocator to use when resizing 'maps'. If null,
xrealloc is used. */
/* The allocator to use when resizing 'maps', defaults to xrealloc. */
line_map_realloc reallocator;
/* The allocators' function used to know the actual size it