diff options
| -rw-r--r-- | src/librustc/middle/entry.rs | 3 | ||||
| -rw-r--r-- | src/test/ui/error-codes/E0601.rs | 11 | ||||
| -rw-r--r-- | src/test/ui/error-codes/E0601.stderr | 7 | ||||
| -rw-r--r-- | src/test/ui/feature-gate/issue-43106-gating-of-bench.stderr | 2 | ||||
| -rw-r--r-- | src/test/ui/feature-gate/issue-43106-gating-of-test.stderr | 2 |
5 files changed, 25 insertions, 0 deletions
diff --git a/src/librustc/middle/entry.rs b/src/librustc/middle/entry.rs index 3473923c411..8193aad7627 100644 --- a/src/librustc/middle/entry.rs +++ b/src/librustc/middle/entry.rs @@ -178,6 +178,9 @@ fn configure_main(this: &mut EntryContext, crate_name: &str) { err.emit(); this.session.abort_if_errors(); } else { + if let Some(ref filename) = this.session.local_crate_source_file { + err.note(&format!("consider adding a main function to {}", filename.display())); + } if this.session.teach(&err.get_code().unwrap()) { err.note("If you don't know the basics of Rust, you can go look to the Rust Book \ to get started: https://doc.rust-lang.org/book/"); diff --git a/src/test/ui/error-codes/E0601.rs b/src/test/ui/error-codes/E0601.rs new file mode 100644 index 00000000000..37b3f523475 --- /dev/null +++ b/src/test/ui/error-codes/E0601.rs @@ -0,0 +1,11 @@ +// Copyright 2018 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. + +// Test for main function not found. diff --git a/src/test/ui/error-codes/E0601.stderr b/src/test/ui/error-codes/E0601.stderr new file mode 100644 index 00000000000..eff0a329902 --- /dev/null +++ b/src/test/ui/error-codes/E0601.stderr @@ -0,0 +1,7 @@ +error[E0601]: main function not found in crate E0601 + | + = note: consider adding a main function to $DIR/E0601.rs + +error: aborting due to previous error + +If you want more information on this error, try using "rustc --explain E0601" diff --git a/src/test/ui/feature-gate/issue-43106-gating-of-bench.stderr b/src/test/ui/feature-gate/issue-43106-gating-of-bench.stderr index 27bf9c99652..32ee8026197 100644 --- a/src/test/ui/feature-gate/issue-43106-gating-of-bench.stderr +++ b/src/test/ui/feature-gate/issue-43106-gating-of-bench.stderr @@ -1,4 +1,6 @@ error[E0601]: main function not found in crate issue_43106_gating_of_bench + | + = note: consider adding a main function to $DIR/issue-43106-gating-of-bench.rs error: aborting due to previous error diff --git a/src/test/ui/feature-gate/issue-43106-gating-of-test.stderr b/src/test/ui/feature-gate/issue-43106-gating-of-test.stderr index 0d35be76d92..b86dd834d9a 100644 --- a/src/test/ui/feature-gate/issue-43106-gating-of-test.stderr +++ b/src/test/ui/feature-gate/issue-43106-gating-of-test.stderr @@ -1,4 +1,6 @@ error[E0601]: main function not found in crate issue_43106_gating_of_test + | + = note: consider adding a main function to $DIR/issue-43106-gating-of-test.rs error: aborting due to previous error |