From fc0a9e266b9d663b1eeca3963495c68ca3384be2 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Sat, 10 Feb 2018 14:00:23 +0300
Subject: G: introduce names

---
 src/parser/grammar/items/mod.rs |  5 +++--
 src/parser/grammar/mod.rs       | 12 +++++++++++-
 src/syntax_kinds.rs             |  4 ++++
 3 files changed, 18 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/parser/grammar/items/mod.rs b/src/parser/grammar/items/mod.rs
index ffe86fa97..d671568b1 100644
--- a/src/parser/grammar/items/mod.rs
+++ b/src/parser/grammar/items/mod.rs
@@ -196,8 +196,9 @@ fn extern_crate_item(p: &mut Parser) {
     p.bump();
     assert!(p.at(CRATE_KW));
     p.bump();
-
-    p.expect(IDENT) && alias(p) && p.expect(SEMI);
+    name(p);
+    alias(p);
+    p.expect(SEMI);
 }
 
 fn extern_block(p: &mut Parser) {
diff --git a/src/parser/grammar/mod.rs b/src/parser/grammar/mod.rs
index b949583ff..6e82d7c69 100644
--- a/src/parser/grammar/mod.rs
+++ b/src/parser/grammar/mod.rs
@@ -44,12 +44,22 @@ fn alias(p: &mut Parser) -> bool {
     if p.at(AS_KW) {
         let alias = p.start();
         p.bump();
-        p.expect(IDENT);
+        name(p);
         alias.complete(p, ALIAS);
     }
     true //FIXME: return false if three are errors
 }
 
+fn name(p: &mut Parser) {
+    if p.at(IDENT) {
+        let m = p.start();
+        p.bump();
+        m.complete(p, NAME);
+    } else {
+        p.error("expected a name");
+    }
+}
+
 fn error_block(p: &mut Parser, message: &str) {
     assert!(p.at(L_CURLY));
     let err = p.start();
diff --git a/src/syntax_kinds.rs b/src/syntax_kinds.rs
index dc287f0f4..7450f9d6f 100644
--- a/src/syntax_kinds.rs
+++ b/src/syntax_kinds.rs
@@ -116,6 +116,8 @@ pub enum SyntaxKind {
     LIFETIME_PARAM,
     TYPE_PARAM,
     ABI,
+    NAME,
+    NAME_REF,
 
     // Technical SyntaxKinds: they appear temporally during parsing,
     // but never end up in the final tree
@@ -239,6 +241,8 @@ impl SyntaxKind {
             LIFETIME_PARAM => &SyntaxInfo { name: "LIFETIME_PARAM" },
             TYPE_PARAM => &SyntaxInfo { name: "TYPE_PARAM" },
             ABI => &SyntaxInfo { name: "ABI" },
+            NAME => &SyntaxInfo { name: "NAME" },
+            NAME_REF => &SyntaxInfo { name: "NAME_REF" },
 
             TOMBSTONE => &SyntaxInfo { name: "TOMBSTONE" },
             EOF => &SyntaxInfo { name: "EOF" },
-- 
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