api.location.type: support it in C

Reported by Balázs Scheidler.

* data/skeletons/c.m4 (b4_location_type_define): Use api.location.type
if defined.
* doc/bison.texi: Document it.
* tests/local.at (AT_C_IF, AT_LANG_CASE): New.
Support Span in C.
* tests/calc.at (Span): Convert it to be usable in C and C++.
Check api.location.type with yacc.c and glr.c.

1 files changed, 9 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 3228a6fd..f9cd2b42 100644
--- a/NEWS
+++ b/NEWS
@@ -86,6 +86,15 @@ GNU Bison NEWS
 
     %define api.header.include {<parser/parse.h>}
 
+*** api.location.type is now supported in C (yacc.c, glr.c)
+
+  The %define variable api.location.type defines the name of the type to use
+  for locations.  When defined, Bison no longer defines YYLTYPE.
+
+  This can be used in programs with several parsers to factor their
+  definition of locations: let one of them generate them, and the others
+  just use them.
+
 ** Documentation
 
   A new example in C shows an simple infix calculator with a hand-written