Rename macro_escape to macro_use

In the future we want to support

    #[macro_use(foo, bar)]
    mod macros;

but it's not an essential part of macro reform.  Reserve the syntax for now.

src/test/compile-fail/module-macro_use-arguments.rs

@@ -0,0 +1,16 @@
+// Copyright 2013-2014 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_use(foo, bar)] //~ ERROR arguments to macro_use are not allowed here
+mod foo {
+}
+
+fn main() {
+}

src/test/run-pass/cfg-macros-foo.rs

@@ -16,7 +16,7 @@
 #![feature(macro_rules)]
 
 #[cfg(foo)]
-#[macro_escape]
+#[macro_use]
 mod foo {
     macro_rules! bar {
         () => { true }
@@ -24,7 +24,7 @@ mod foo {
 }
 
 #[cfg(not(foo))]
-#[macro_escape]
+#[macro_use]
 mod foo {
     macro_rules! bar {
         () => { false }

src/test/run-pass/cfg-macros-notfoo.rs

@@ -16,7 +16,7 @@
 #![feature(macro_rules)]
 
 #[cfg(foo)]
-#[macro_escape]
+#[macro_use]
 mod foo {
     macro_rules! bar {
         () => { true }
@@ -24,7 +24,7 @@ mod foo {
 }
 
 #[cfg(not(foo))]
-#[macro_escape]
+#[macro_use]
 mod foo {
     macro_rules! bar {
         () => { false }

src/test/run-pass/deprecated-macro_escape-inner.rs

@@ -0,0 +1,19 @@
+// Copyright 2013-2014 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.
+
+// ignore-pretty
+
+mod foo {
+    #![macro_escape] //~ WARNING macro_escape is a deprecated synonym for macro_use
+    //~^ HELP consider an outer attribute
+}
+
+fn main() {
+}

src/test/run-pass/deprecated-macro_escape.rs

@@ -0,0 +1,18 @@
+// Copyright 2013-2014 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.
+
+// ignore-pretty
+
+#[macro_escape] //~ WARNING macro_escape is a deprecated synonym for macro_use
+mod foo {
+}
+
+fn main() {
+}