G: extern crate

2 files changed, 14 insertions, 2 deletions

diff --git a/src/parser/event_parser/grammar/items.rs b/src/parser/event_parser/grammar/items.rs
index 68b444b69..9b174679c 100644
--- a/src/parser/event_parser/grammar/items.rs
+++ b/src/parser/event_parser/grammar/items.rs
@@ -11,7 +11,7 @@ pub(super) fn mod_items(p: &mut Parser) {
 
 fn item_first(p: &Parser) -> bool {
     match p.current() {
-        STRUCT_KW | FN_KW => true,
+        STRUCT_KW | FN_KW | EXTERN_KW => true,
         _ => false,
     }
 }
@@ -41,7 +41,8 @@ fn item(p: &mut Parser) -> bool {
     // || node_if(p, FN_KW, FN_ITEM, fn_item)
     // || node_if(p, MOD_KW, MOD_ITEM, mod_item)
     // || node_if(p, TYPE_KW, TYPE_ITEM, type_item)
-    node_if(p, STRUCT_KW, STRUCT_ITEM, struct_item)
+    node_if(p, [EXTERN_KW, CRATE_KW], EXTERN_CRATE_ITEM, extern_crate_item)
+        || node_if(p, STRUCT_KW, STRUCT_ITEM, struct_item)
         || node_if(p, FN_KW, FN_ITEM, fn_item)
 }
 
@@ -50,6 +51,10 @@ fn struct_item(p: &mut Parser) {
         && p.curly_block(|p| comma_list(p, EOF, struct_field));
 }
 
+fn extern_crate_item(p: &mut Parser) {
+    p.expect(IDENT) && alias(p) && p.expect(SEMI);
+}
+
 fn struct_field(p: &mut Parser) -> bool {
     node_if(p, IDENT, STRUCT_FIELD, |p| {
         p.expect(COLON) && p.expect(IDENT);
diff --git a/src/parser/event_parser/grammar/mod.rs b/src/parser/event_parser/grammar/mod.rs
index 78309aa83..dd1270eae 100644
--- a/src/parser/event_parser/grammar/mod.rs
+++ b/src/parser/event_parser/grammar/mod.rs
@@ -18,6 +18,13 @@ pub(crate) fn file(p: &mut Parser) {
 fn visibility(_: &mut Parser) {
 }
 
+fn alias(p: &mut Parser) -> bool {
+    node_if(p, AS_KW, ALIAS, |p| {
+        p.expect(IDENT);
+    });
+    true //FIXME: return false if three are errors
+}
+
 fn node_if<F: FnOnce(&mut Parser), L: Lookahead>(
     p: &mut Parser,
     first: L,