Remove rustc_metadata_utils, which contains only one function

src/Cargo.lock

@@ -2144,7 +2144,7 @@ dependencies = [
  "rustc_allocator 0.0.0",
  "rustc_data_structures 0.0.0",
  "rustc_incremental 0.0.0",
- "rustc_metadata_utils 0.0.0",
+ "rustc_metadata 0.0.0",
  "rustc_mir 0.0.0",
  "rustc_target 0.0.0",
  "serialize 0.0.0",
@@ -2291,23 +2291,13 @@ dependencies = [
  "rustc 0.0.0",
  "rustc_data_structures 0.0.0",
  "rustc_errors 0.0.0",
- "rustc_metadata_utils 0.0.0",
  "rustc_target 0.0.0",
  "serialize 0.0.0",
  "syntax 0.0.0",
  "syntax_ext 0.0.0",
  "syntax_pos 0.0.0",
 ]
 
-[[package]]
-name = "rustc_metadata_utils"
-version = "0.0.0"
-dependencies = [
- "rustc 0.0.0",
- "syntax 0.0.0",
- "syntax_pos 0.0.0",
-]
-
 [[package]]
 name = "rustc_mir"
 version = "0.0.0"

src/librustc_codegen_utils/Cargo.toml

@@ -20,6 +20,6 @@ rustc = { path = "../librustc" }
 rustc_allocator = { path = "../librustc_allocator" }
 rustc_target = { path = "../librustc_target" }
 rustc_data_structures = { path = "../librustc_data_structures" }
+rustc_metadata = { path = "../librustc_metadata" }
 rustc_mir = { path = "../librustc_mir" }
 rustc_incremental = { path = "../librustc_incremental" }
-rustc_metadata_utils = { path = "../librustc_metadata_utils" }

src/librustc_codegen_utils/lib.rs

@@ -35,12 +35,12 @@ extern crate serialize;
 extern crate rustc;
 extern crate rustc_allocator;
 extern crate rustc_target;
+extern crate rustc_metadata;
 extern crate rustc_mir;
 extern crate rustc_incremental;
 extern crate syntax;
 extern crate syntax_pos;
 #[macro_use] extern crate rustc_data_structures;
-extern crate rustc_metadata_utils;
 
 use std::path::PathBuf;
 

src/librustc_codegen_utils/link.rs

@@ -13,7 +13,6 @@ use rustc::session::Session;
 use std::path::{Path, PathBuf};
 use syntax::{ast, attr};
 use syntax_pos::Span;
-use rustc_metadata_utils::validate_crate_name;
 
 pub fn out_filename(sess: &Session,
                 crate_type: config::CrateType,
@@ -52,7 +51,7 @@ pub fn find_crate_name(sess: Option<&Session>,
                        attrs: &[ast::Attribute],
                        input: &Input) -> String {
     let validate = |s: String, span: Option<Span>| {
-        validate_crate_name(sess, &s, span);
+        ::rustc_metadata::validate_crate_name(sess, &s, span);
         s
     };
 

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" }

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
                     }

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 }