Remove rustc_metadata_utils, which contains only one function

3 files changed, 31 insertions, 5 deletions

diff --git a/src/librustc_metadata/Cargo.toml b/src/librustc_metadata/Cargo.toml
index 6142fe78149..338824d5efe 100644
--- a/src/librustc_metadata/Cargo.toml
+++ b/src/librustc_metadata/Cargo.toml
@@ -20,4 +20,3 @@ serialize = { path = "../libserialize" }
 syntax = { path = "../libsyntax" }
 syntax_ext = { path = "../libsyntax_ext" }
 syntax_pos = { path = "../libsyntax_pos" }
-rustc_metadata_utils = { path = "../librustc_metadata_utils" }
diff --git a/src/librustc_metadata/creader.rs b/src/librustc_metadata/creader.rs
index 4b96735eb77..7733ab2e246 100644
--- a/src/librustc_metadata/creader.rs
+++ b/src/librustc_metadata/creader.rs
@@ -30,8 +30,6 @@ use rustc::util::common::record_time;
 use rustc::util::nodemap::FxHashSet;
 use rustc::hir::map::Definitions;
 
-use rustc_metadata_utils::validate_crate_name;
-
 use std::ops::Deref;
 use std::path::PathBuf;
 use std::{cmp, fs};
@@ -1106,7 +1104,7 @@ impl<'a> CrateLoader<'a> {
                        item.ident, orig_name);
                 let orig_name = match orig_name {
                     Some(orig_name) => {
-                        validate_crate_name(Some(self.sess), &orig_name.as_str(),
+                        ::validate_crate_name(Some(self.sess), &orig_name.as_str(),
                                             Some(item.span));
                         orig_name
                     }
diff --git a/src/librustc_metadata/lib.rs b/src/librustc_metadata/lib.rs
index 7008166b903..0cc0707a3a5 100644
--- a/src/librustc_metadata/lib.rs
+++ b/src/librustc_metadata/lib.rs
@@ -38,7 +38,6 @@ extern crate serialize as rustc_serialize; // used by deriving
 extern crate rustc_errors as errors;
 extern crate syntax_ext;
 extern crate proc_macro;
-extern crate rustc_metadata_utils;
 
 #[macro_use]
 extern crate rustc;
@@ -64,4 +63,34 @@ pub mod cstore;
 pub mod dynamic_lib;
 pub mod locator;
 
+pub fn validate_crate_name(
+    sess: Option<&rustc::session::Session>,
+    s: &str,
+    sp: Option<syntax_pos::Span>
+) {
+    let mut err_count = 0;
+    {
+        let mut say = |s: &str| {
+            match (sp, sess) {
+                (_, None) => bug!("{}", s),
+                (Some(sp), Some(sess)) => sess.span_err(sp, s),
+                (None, Some(sess)) => sess.err(s),
+            }
+            err_count += 1;
+        };
+        if s.is_empty() {
+            say("crate name must not be empty");
+        }
+        for c in s.chars() {
+            if c.is_alphanumeric() { continue }
+            if c == '_'  { continue }
+            say(&format!("invalid character `{}` in crate name: `{}`", c, s));
+        }
+    }
+
+    if err_count > 0 {
+        sess.unwrap().abort_if_errors();
+    }
+}
+
 __build_diagnostic_array! { librustc_metadata, DIAGNOSTICS }