[COMMITTED 128/146] gccrs: lang-item: Add LangItem::PrettyString

[arthur . cohen]

From: Arthur Cohen <arthur.co...@embecosm.com>

Which formats a lang item as it appears in source code.

gcc/rust/ChangeLog:

        * util/rust-lang-item.cc (LangItem::PrettyString): New.
        * util/rust-lang-item.h: New.
---
 gcc/rust/util/rust-lang-item.cc | 6 ++++++
 gcc/rust/util/rust-lang-item.h  | 1 +
 2 files changed, 7 insertions(+)

diff --git a/gcc/rust/util/rust-lang-item.cc b/gcc/rust/util/rust-lang-item.cc
index 4a609096144..e038e900f94 100644
--- a/gcc/rust/util/rust-lang-item.cc
+++ b/gcc/rust/util/rust-lang-item.cc
@@ -118,6 +118,12 @@ LangItem::ToString (LangItem::Kind type)
   return str.value ();
 }
 
+std::string
+LangItem::PrettyString (LangItem::Kind type)
+{
+  return "#[lang = \"" + LangItem::ToString (type) + "\"]";
+}
+
 LangItem::Kind
 LangItem::OperatorToLangItem (ArithmeticOrLogicalOperator op)
 {
diff --git a/gcc/rust/util/rust-lang-item.h b/gcc/rust/util/rust-lang-item.h
index 62b15d7b3fc..f947f3f021c 100644
--- a/gcc/rust/util/rust-lang-item.h
+++ b/gcc/rust/util/rust-lang-item.h
@@ -134,6 +134,7 @@ public:
 
   static tl::optional<Kind> Parse (const std::string &item);
   static std::string ToString (Kind type);
+  static std::string PrettyString (Kind type);
   static Kind OperatorToLangItem (ArithmeticOrLogicalOperator op);
   static Kind
   CompoundAssignmentOperatorToLangItem (ArithmeticOrLogicalOperator op);
-- 
2.45.2