aboutsummaryrefslogtreecommitdiff
path: root/libcpp/include/line-map.h
diff options
context:
space:
mode:
Diffstat (limited to 'libcpp/include/line-map.h')
-rw-r--r--libcpp/include/line-map.h21
1 files changed, 7 insertions, 14 deletions
diff --git a/libcpp/include/line-map.h b/libcpp/include/line-map.h
index e74ccbb..fd06758 100644
--- a/libcpp/include/line-map.h
+++ b/libcpp/include/line-map.h
@@ -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