From f3ee5a15090d8ba6ec220e1f907ed3af27e57734 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Fri, 9 Aug 2019 12:16:47 +0200
Subject: Move numeric names inside of `NameRef`

---
 crates/ra_parser/src/grammar.rs             | 14 ++++++++++++--
 crates/ra_parser/src/grammar/expressions.rs | 10 ++++------
 crates/ra_parser/src/grammar/items.rs       |  2 +-
 crates/ra_parser/src/grammar/paths.rs       |  2 +-
 crates/ra_parser/src/grammar/type_args.rs   |  4 ++--
 5 files changed, 20 insertions(+), 12 deletions(-)

(limited to 'crates/ra_parser')

diff --git a/crates/ra_parser/src/grammar.rs b/crates/ra_parser/src/grammar.rs
index 2ee121ccd..beedac457 100644
--- a/crates/ra_parser/src/grammar.rs
+++ b/crates/ra_parser/src/grammar.rs
@@ -273,8 +273,8 @@ fn name(p: &mut Parser) {
     name_r(p, TokenSet::empty())
 }
 
-fn name_ref(p: &mut Parser, allow_numeric_names: bool) {
-    if p.at(IDENT) || (allow_numeric_names && p.at(INT_NUMBER)) {
+fn name_ref(p: &mut Parser) {
+    if p.at(IDENT) {
         let m = p.start();
         p.bump();
         m.complete(p, NAME_REF);
@@ -287,6 +287,16 @@ fn name_ref(p: &mut Parser, allow_numeric_names: bool) {
     }
 }
 
+fn name_ref_or_index(p: &mut Parser) {
+    if p.at(IDENT) || p.at(INT_NUMBER) {
+        let m = p.start();
+        p.bump();
+        m.complete(p, NAME_REF);
+    } else {
+        p.err_and_bump("expected identifier");
+    }
+}
+
 fn error_block(p: &mut Parser, message: &str) {
     assert!(p.at(T!['{']));
     let m = p.start();
diff --git a/crates/ra_parser/src/grammar/expressions.rs b/crates/ra_parser/src/grammar/expressions.rs
index 9f9e9cb0e..9fd3a235d 100644
--- a/crates/ra_parser/src/grammar/expressions.rs
+++ b/crates/ra_parser/src/grammar/expressions.rs
@@ -458,7 +458,7 @@ fn method_call_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
     assert!(p.at(T![.]) && p.nth(1) == IDENT && (p.nth(2) == T!['('] || p.nth(2) == T![::]));
     let m = lhs.precede(p);
     p.bump();
-    name_ref(p, false);
+    name_ref(p);
     type_args::opt_type_arg_list(p, true);
     if p.at(T!['(']) {
         arg_list(p);
@@ -484,10 +484,8 @@ fn field_expr(p: &mut Parser, lhs: CompletedMarker) -> CompletedMarker {
     assert!(p.at(T![.]));
     let m = lhs.precede(p);
     p.bump();
-    if p.at(IDENT) {
-        name_ref(p, false)
-    } else if p.at(INT_NUMBER) {
-        p.bump();
+    if p.at(IDENT) || p.at(INT_NUMBER) {
+        name_ref_or_index(p)
     } else if p.at(FLOAT_NUMBER) {
         // FIXME: How to recover and instead parse INT + T![.]?
         p.bump();
@@ -587,7 +585,7 @@ pub(crate) fn named_field_list(p: &mut Parser) {
             IDENT | INT_NUMBER | T![#] => {
                 let m = p.start();
                 attributes::outer_attributes(p);
-                name_ref(p, true);
+                name_ref_or_index(p);
                 if p.eat(T![:]) {
                     expr(p);
                 }
diff --git a/crates/ra_parser/src/grammar/items.rs b/crates/ra_parser/src/grammar/items.rs
index b0081f396..543af7c4b 100644
--- a/crates/ra_parser/src/grammar/items.rs
+++ b/crates/ra_parser/src/grammar/items.rs
@@ -279,7 +279,7 @@ fn extern_crate_item(p: &mut Parser, m: Marker) {
     p.bump();
     assert!(p.at(T![crate]));
     p.bump();
-    name_ref(p, false);
+    name_ref(p);
     opt_alias(p);
     p.expect(T![;]);
     m.complete(p, EXTERN_CRATE_ITEM);
diff --git a/crates/ra_parser/src/grammar/paths.rs b/crates/ra_parser/src/grammar/paths.rs
index 2c8f0f7e8..3537b0da1 100644
--- a/crates/ra_parser/src/grammar/paths.rs
+++ b/crates/ra_parser/src/grammar/paths.rs
@@ -71,7 +71,7 @@ fn path_segment(p: &mut Parser, mode: Mode, first: bool) {
         }
         match p.current() {
             IDENT => {
-                name_ref(p, false);
+                name_ref(p);
                 opt_path_type_args(p, mode);
             }
             // test crate_path
diff --git a/crates/ra_parser/src/grammar/type_args.rs b/crates/ra_parser/src/grammar/type_args.rs
index f1d999dea..3db08b280 100644
--- a/crates/ra_parser/src/grammar/type_args.rs
+++ b/crates/ra_parser/src/grammar/type_args.rs
@@ -38,12 +38,12 @@ fn type_arg(p: &mut Parser) {
         // test associated_type_bounds
         // fn print_all<T: Iterator<Item: Display>>(printables: T) {}
         IDENT if p.nth(1) == T![:] => {
-            name_ref(p, false);
+            name_ref(p);
             type_params::bounds(p);
             m.complete(p, ASSOC_TYPE_ARG);
         }
         IDENT if p.nth(1) == T![=] => {
-            name_ref(p, false);
+            name_ref(p);
             p.bump();
             types::type_(p);
             m.complete(p, ASSOC_TYPE_ARG);
-- 
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