c++: rename semantic_type as value_type

We always refer to the triplet "kind, value, location".  All of them
are nouns, and we support api.value.type and api.location.type.  On
this regard, "semantic_type" was a poor choice.  Make it "value_type".

The test suite was not updated to use value_type, on purpose, to
enforce backward compatibility.

* data/skeletons/c++.m4, data/skeletons/glr.cc, data/skeletons/glr2.cc,
* data/skeletons/variant.hh, doc/bison.texi: Define value_type rather
than semantic_type.
Add a backward compatibility typedef.
* examples/c++/glr/c++-types.yy: Migrate.

1 files changed, 6 insertions, 6 deletions

diff --git a/examples/c++/glr/c++-types.yy b/examples/c++/glr/c++-types.yy
index 1fc26166..ce6ae4f1 100644
--- a/examples/c++/glr/c++-types.yy
+++ b/examples/c++/glr/c++-types.yy
@@ -46,11 +46,11 @@
   # define nullptr 0
   #endif
 
-  static yy::parser::semantic_type
-  stmtMerge (const yy::parser::semantic_type& x0, const yy::parser::semantic_type& x1);
+  static yy::parser::value_type
+  stmtMerge (const yy::parser::value_type& x0, const yy::parser::value_type& x1);
 
   static int
-  yylex (yy::parser::semantic_type* val, yy::parser::location_type* loc);
+  yylex (yy::parser::value_type* val, yy::parser::location_type* loc);
 }
 
 %expect-rr 1
@@ -103,7 +103,7 @@ yy::parser::error (const location_type& l, const std::string& m)
 }
 
 static int
-yylex (yy::parser::semantic_type* lvalp, yy::parser::location_type* llocp)
+yylex (yy::parser::value_type* lvalp, yy::parser::location_type* llocp)
 {
   static int lineNum = 1;
   static int colNum = 0;
@@ -162,8 +162,8 @@ yylex (yy::parser::semantic_type* lvalp, yy::parser::location_type* llocp)
     }
 }
 
-static yy::parser::semantic_type
-stmtMerge (const yy::parser::semantic_type& x0, const yy::parser::semantic_type& x1)
+static yy::parser::value_type
+stmtMerge (const yy::parser::value_type& x0, const yy::parser::value_type& x1)
 {
   return Nterm ("<OR>", x0, x1);
 }