Resolve barriers to changing column!() / line!() return type to u32 in #19284 . Address review comments in #21769 .

1 files changed, 4 insertions, 0 deletions

diff --git a/src/libsyntax/ext/build.rs b/src/libsyntax/ext/build.rs
index 454c21fdc57..7ba045f0eb0 100644
--- a/src/libsyntax/ext/build.rs
+++ b/src/libsyntax/ext/build.rs
@@ -147,6 +147,7 @@ pub trait AstBuilder {
 
     fn expr_usize(&self, span: Span, i: usize) -> P<ast::Expr>;
     fn expr_int(&self, sp: Span, i: isize) -> P<ast::Expr>;
+    fn expr_u8(&self, sp: Span, u: u8) -> P<ast::Expr>;
     fn expr_u32(&self, sp: Span, u: u32) -> P<ast::Expr>;
     fn expr_bool(&self, sp: Span, value: bool) -> P<ast::Expr>;
 
@@ -701,6 +702,9 @@ impl<'a> AstBuilder for ExtCtxt<'a> {
         self.expr_lit(sp, ast::LitInt(i as u64, ast::SignedIntLit(ast::TyIs(false),
                                                                   ast::Sign::new(i))))
     }
+    fn expr_u8(&self, sp: Span, u: u8) -> P<ast::Expr> {
+        self.expr_lit(sp, ast::LitInt(u as u64, ast::UnsignedIntLit(ast::TyU8)))
+    }
     fn expr_u32(&self, sp: Span, u: u32) -> P<ast::Expr> {
         self.expr_lit(sp, ast::LitInt(u as u64, ast::UnsignedIntLit(ast::TyU32)))
     }