gccrs: token: Add type hints to string dump

The conversion to string of any known type literal was not giving back
any type hint, not even quotes for string. This commit fix this.

gcc/rust/ChangeLog:

	* lex/rust-token.cc (Token::as_string): Add type hint output.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

diff --git a/gcc/rust/lex/rust-token.cc b/gcc/rust/lex/rust-token.cc
index a99593ae686fe8aa84a7adb663bd8b9d586ae8f8..e5397067b8ad16657fcbfd6f436a98e79a6a526b 100644 (file)
--- a/gcc/rust/lex/rust-token.cc
+++ b/gcc/rust/lex/rust-token.cc
@@ -137,7 +137,31 @@ Token::as_string () const
 {
   if (should_have_str ())
     {
-      return get_str ();
+      switch (get_id ())
+       {
+       case STRING_LITERAL:
+         return "\"" + get_str () + "\"";
+       case BYTE_STRING_LITERAL:
+         return "b\"" + get_str () + "\"";
+       case CHAR_LITERAL:
+         return "'" + get_str () + "'";
+       case BYTE_CHAR_LITERAL:
+         return "b'" + get_str () + "'";
+       case LIFETIME:
+         return "''" + get_str ();
+       case INT_LITERAL:
+         if (get_type_hint () == CORETYPE_UNKNOWN)
+           return get_str ();
+         else
+           return get_str () + get_type_hint_str ();
+       case FLOAT_LITERAL:
+         if (get_type_hint () == CORETYPE_UNKNOWN)
+           return get_str ();
+         else
+           return get_str () + get_type_hint_str ();
+       default:
+         return get_str ();
+       }
     }
   else
     {