--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+macro m() {} //~ ERROR `macro` is experimental (see issue #39412)
+//~| HELP add #![feature(decl_macro)] to the crate attributes to enable
+
+fn main() {}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod foo {
+ pub fn f() {}
+}
+
+mod bar {
+ pub fn g() {}
+}
+
+macro m($($t:tt)*) {
+ $($t)*
+ use foo::*;
+ f();
+ g(); //~ ERROR cannot find function `g` in this scope
+}
+
+fn main() {
+ m! {
+ use bar::*;
+ g();
+ f(); //~ ERROR cannot find function `f` in this scope
+ }
+}
+
+n!(f);
+macro n($i:ident) {
+ mod foo {
+ pub fn $i() -> u32 { 0 }
+ pub fn f() {}
+
+ mod test {
+ use super::*;
+ fn g() {
+ let _: u32 = $i();
+ let _: () = f();
+ }
+ }
+
+ macro n($j:ident) {
+ mod test {
+ use super::*;
+ fn g() {
+ let _: u32 = $i();
+ let _: () = f();
+ $j();
+ }
+ }
+ }
+
+ n!(f);
+ mod test2 {
+ super::n! {
+ f //~ ERROR cannot find function `f` in this scope
+ }
+ }
+ }
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+macro n($foo:ident, $S:ident, $i:ident, $m:ident) {
+ mod $foo {
+ #[derive(Default)]
+ pub struct $S { $i: u32 }
+ pub macro $m($e:expr) { $e.$i }
+ }
+}
+
+n!(foo, S, i, m);
+
+fn main() {
+ use foo::{S, m};
+ S::default().i; //~ ERROR field `i` of struct `foo::S` is private
+ m!(S::default()); // ok
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod foo {
+ pub macro m() { Vec::new(); ().clone() }
+ fn f() { ::bar::m!(); }
+}
+
+#[no_implicit_prelude]
+mod bar {
+ pub macro m() {
+ Vec::new(); //~ ERROR failed to resolve
+ ().clone() //~ ERROR no method named `clone` found
+ }
+ fn f() { ::foo::m!(); }
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod foo {
+ fn f() {}
+
+ pub macro m($e:expr) {
+ f();
+ self::f();
+ ::foo::f();
+ $e
+ }
+}
+
+fn main() {
+ foo::m!(
+ foo::f() //~ ERROR `f` is private
+ );
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod foo {
+ pub trait T {
+ fn f(&self) {}
+ }
+ impl T for () {}
+}
+
+mod bar {
+ use foo::*;
+ pub macro m() { ().f() }
+ fn f() { ::baz::m!(); }
+}
+
+mod baz {
+ pub macro m() { ().f() } //~ ERROR no method named `f` found for type `()` in the current scope
+ fn f() { ::bar::m!(); }
+}
+
+fn main() {}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+macro m($t:ty, $e:expr) {
+ mod foo {
+ #[allow(unused)]
+ struct S;
+ pub(super) fn f(_: $t) {}
+ }
+ foo::f($e);
+}
+
+fn main() {
+ struct S;
+ m!(S, S);
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+pub mod foo {
+ pub use self::bar::m;
+ mod bar {
+ fn f() -> u32 { 1 }
+ pub macro m() {
+ f();
+ }
+ }
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod foo {
+ struct S { x: u32 }
+ struct T(u32);
+
+ pub macro m($S:ident, $x:ident) {{
+ struct $S {
+ $x: u32,
+ x: i32,
+ }
+
+ let s = S { x: 0 };
+ let _ = s.x;
+
+ let t = T(0);
+ let _ = t.0;
+
+ let s = $S { $x: 0, x: 1 };
+ assert_eq!((s.$x, s.x), (0, 1));
+ s
+ }}
+}
+
+fn main() {
+ let s = foo::m!(S, x);
+ assert_eq!(s.x, 0);
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod foo {
+ struct S;
+ impl S {
+ fn f(&self) {}
+ }
+
+ pub macro m() {
+ let _: () = S.f();
+ }
+}
+
+struct S;
+
+macro m($f:ident) {
+ impl S {
+ fn f(&self) -> u32 { 0 }
+ fn $f(&self) -> i32 { 0 }
+ }
+ fn f() {
+ let _: u32 = S.f();
+ let _: i32 = S.$f();
+ }
+}
+
+m!(f);
+
+fn main() {
+ let _: i32 = S.f();
+ foo::m!();
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// aux-build:intercrate.rs
+
+#![feature(decl_macro)]
+
+extern crate intercrate;
+
+fn main() {
+ assert_eq!(intercrate::foo::m!(), 1);
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+pub macro m($foo:ident, $f:ident, $e:expr) {
+ mod foo {
+ pub fn f() -> u32 { 0 }
+ pub fn $f() -> u64 { 0 }
+ }
+
+ mod $foo {
+ pub fn f() -> i32 { 0 }
+ pub fn $f() -> i64 { 0 }
+ }
+
+ let _: u32 = foo::f();
+ let _: u64 = foo::$f();
+ let _: i32 = $foo::f();
+ let _: i64 = $foo::$f();
+ let _: i64 = $e;
+}
+
+fn main() {
+ m!(foo, f, foo::f());
+ let _: i64 = foo::f();
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+mod bar {
+ mod baz {
+ pub fn f() {}
+ }
+
+ pub macro m($f:ident) {
+ baz::f();
+ let _: i32 = $f();
+ {
+ fn $f() -> u32 { 0 }
+ let _: u32 = $f();
+ }
+ }
+}
+
+fn main() {
+ fn f() -> i32 { 0 }
+ bar::m!(f);
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+macro m($T:ident, $f:ident) {
+ pub trait $T {
+ fn f(&self) -> u32 { 0 }
+ fn $f(&self) -> i32 { 0 }
+ }
+ impl $T for () {}
+
+ let _: u32 = ().f();
+ let _: i32 = ().$f();
+}
+
+fn main() {
+ m!(T, f);
+ let _: i32 = ().f();
+}
--- /dev/null
+// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![feature(decl_macro)]
+
+macro m($T:ident) {
+ fn f<T, $T>(t: T, t2: $T) -> (T, $T) {
+ (t, t2)
+ }
+}
+
+m!(T);
+
+fn main() {}