From: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>
Date: Thu, 23 Mar 2023 15:45:35 +0000 (+0100)
Subject: gccrs: ast: Add ExternCrate TokenStream visitor
X-Git-Tag: basepoints/gcc-15~2718
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=01886152b67c6458ae40cbb2c560dcbb6af1ba95;p=thirdparty%2Fgcc.git

gccrs: ast: Add ExternCrate TokenStream visitor

Add a visitor implementation for ExternCrate declarations.

gcc/rust/ChangeLog:

	* ast/rust-ast-tokenstream.cc (TokenStream::visit): Add visitor.

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

diff --git a/gcc/rust/ast/rust-ast-tokenstream.cc b/gcc/rust/ast/rust-ast-tokenstream.cc
index 8dae3e57e673..f5d04450dbc6 100644
--- a/gcc/rust/ast/rust-ast-tokenstream.cc
+++ b/gcc/rust/ast/rust-ast-tokenstream.cc
@@ -1568,8 +1568,22 @@ TokenStream::visit (Module &module)
 }
 
 void
-TokenStream::visit (ExternCrate &)
-{}
+TokenStream::visit (ExternCrate &crate)
+{
+  tokens.push_back (Rust::Token::make (EXTERN_TOK, crate.get_locus ()));
+  tokens.push_back (Rust::Token::make (CRATE, Location ()));
+  auto ref = crate.get_referenced_crate ();
+  tokens.push_back (
+    Rust::Token::make_identifier (Location (), std::move (ref)));
+  if (crate.has_as_clause ())
+    {
+      auto as_clause = crate.get_as_clause ();
+      tokens.push_back (Rust::Token::make (AS, Location ()));
+      tokens.push_back (
+	Rust::Token::make_identifier (Location (), std::move (as_clause)));
+    }
+  tokens.push_back (Rust::Token::make (SEMICOLON, Location ()));
+}
 
 void
 TokenStream::visit (UseTreeGlob &)