Merge branch 'master' of github.com:rust-analyzer/rust-analyzer

1 files changed, 24 insertions, 15 deletions

diff --git a/crates/ra_parser/src/grammar/expressions/atom.rs b/crates/ra_parser/src/grammar/expressions/atom.rs
index 76aa601cb..efb424dae 100644
--- a/crates/ra_parser/src/grammar/expressions/atom.rs
+++ b/crates/ra_parser/src/grammar/expressions/atom.rs
@@ -84,7 +84,7 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
         T![box] => box_expr(p, None),
         T![for] => for_expr(p, None),
         T![while] => while_expr(p, None),
-        T![try] => try_expr(p, None),
+        T![try] => try_block_expr(p, None),
         LIFETIME if la == T![:] => {
             let m = p.start();
             label(p);
@@ -92,7 +92,12 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
                 T![loop] => loop_expr(p, Some(m)),
                 T![for] => for_expr(p, Some(m)),
                 T![while] => while_expr(p, Some(m)),
-                T!['{'] => block_expr(p, Some(m)),
+                // test labeled_block
+                // fn f() { 'label: {}; }
+                T!['{'] => {
+                    block_expr(p);
+                    m.complete(p, EFFECT_EXPR)
+                }
                 _ => {
                     // test_err misplaced_label_err
                     // fn main() {
@@ -108,13 +113,17 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
             let m = p.start();
             p.bump(T![async]);
             p.eat(T![move]);
-            block_expr(p, Some(m))
+            block_expr(p);
+            m.complete(p, EFFECT_EXPR)
         }
         T![match] => match_expr(p),
+        // test unsafe_block
+        // fn f() { unsafe { } }
         T![unsafe] if la == T!['{'] => {
             let m = p.start();
             p.bump(T![unsafe]);
-            block_expr(p, Some(m))
+            block_expr(p);
+            m.complete(p, EFFECT_EXPR)
         }
         T!['{'] => {
             // test for_range_from
@@ -123,7 +132,7 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
             //        break;
             //    }
             // }
-            block_expr(p, None)
+            block_expr(p)
         }
         T![return] => return_expr(p),
         T![continue] => continue_expr(p),
@@ -134,7 +143,7 @@ pub(super) fn atom_expr(p: &mut Parser, r: Restrictions) -> Option<(CompletedMar
         }
     };
     let blocklike = match done.kind() {
-        IF_EXPR | WHILE_EXPR | FOR_EXPR | LOOP_EXPR | MATCH_EXPR | BLOCK_EXPR | TRY_EXPR => {
+        IF_EXPR | WHILE_EXPR | FOR_EXPR | LOOP_EXPR | MATCH_EXPR | BLOCK_EXPR | EFFECT_EXPR => {
             BlockLike::Block
         }
         _ => BlockLike::NotBlock,
@@ -234,7 +243,7 @@ fn lambda_expr(p: &mut Parser) -> CompletedMarker {
         if p.at(T!['{']) {
             // test lambda_ret_block
             // fn main() { || -> i32 { 92 }(); }
-            block_expr(p, None);
+            block_expr(p);
         } else {
             p.error("expected `{`");
         }
@@ -461,13 +470,13 @@ fn match_guard(p: &mut Parser) -> CompletedMarker {
 // test block_expr
 // fn foo() {
 //     {};
-//     unsafe {};
-//     'label: {};
 // }
-pub(super) fn block_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
+pub(super) fn block_expr(p: &mut Parser) -> CompletedMarker {
     assert!(p.at(T!['{']));
-    let m = m.unwrap_or_else(|| p.start());
-    naked_block(p);
+    let m = p.start();
+    p.bump(T!['{']);
+    expr_block_contents(p);
+    p.expect(T!['}']);
     m.complete(p, BLOCK_EXPR)
 }
 
@@ -532,7 +541,7 @@ fn break_expr(p: &mut Parser, r: Restrictions) -> CompletedMarker {
 // fn foo() {
 //     let _ = try {};
 // }
-fn try_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
+fn try_block_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
     assert!(p.at(T![try]));
     let m = m.unwrap_or_else(|| p.start());
     // Special-case `try!` as macro.
@@ -552,8 +561,8 @@ fn try_expr(p: &mut Parser, m: Option<Marker>) -> CompletedMarker {
     }
 
     p.bump(T![try]);
-    block(p);
-    m.complete(p, TRY_EXPR)
+    block_expr(p);
+    m.complete(p, EFFECT_EXPR)
 }
 
 // test box_expr