use TokenStream rather than &[TokenTree] for built-in macros

That way, we don't loose the jointness info

1 files changed, 5 insertions, 5 deletions

diff --git a/src/libsyntax_ext/format.rs b/src/libsyntax_ext/format.rs
index 47394c02b41..ad275f421af 100644
--- a/src/libsyntax_ext/format.rs
+++ b/src/libsyntax_ext/format.rs
@@ -11,7 +11,7 @@ use syntax::ext::base::{self, *};
 use syntax::parse::token;
 use syntax::ptr::P;
 use syntax::symbol::{Symbol, sym};
-use syntax::tokenstream;
+use syntax::tokenstream::TokenStream;
 use syntax_pos::{MultiSpan, Span};
 
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
@@ -126,7 +126,7 @@ struct Context<'a, 'b> {
 fn parse_args<'a>(
     ecx: &mut ExtCtxt<'a>,
     sp: Span,
-    tts: &[tokenstream::TokenTree]
+    tts: TokenStream,
 ) -> Result<(P<ast::Expr>, Vec<P<ast::Expr>>, FxHashMap<Symbol, usize>), DiagnosticBuilder<'a>> {
     let mut args = Vec::<P<ast::Expr>>::new();
     let mut names = FxHashMap::<Symbol, usize>::default();
@@ -794,7 +794,7 @@ impl<'a, 'b> Context<'a, 'b> {
 fn expand_format_args_impl<'cx>(
     ecx: &'cx mut ExtCtxt<'_>,
     mut sp: Span,
-    tts: &[tokenstream::TokenTree],
+    tts: TokenStream,
     nl: bool,
 ) -> Box<dyn base::MacResult + 'cx> {
     sp = ecx.with_def_site_ctxt(sp);
@@ -812,7 +812,7 @@ fn expand_format_args_impl<'cx>(
 pub fn expand_format_args<'cx>(
     ecx: &'cx mut ExtCtxt<'_>,
     sp: Span,
-    tts: &[tokenstream::TokenTree],
+    tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'cx> {
     expand_format_args_impl(ecx, sp, tts, false)
 }
@@ -820,7 +820,7 @@ pub fn expand_format_args<'cx>(
 pub fn expand_format_args_nl<'cx>(
     ecx: &'cx mut ExtCtxt<'_>,
     sp: Span,
-    tts: &[tokenstream::TokenTree],
+    tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'cx> {
     expand_format_args_impl(ecx, sp, tts, true)
 }