9 files changed, 66 insertions, 8 deletions

diff --git a/src/grammar.ron b/src/grammar.ron
index 0620a8b8c..5181e296e 100644
--- a/src/grammar.ron
+++ b/src/grammar.ron
@@ -140,6 +140,7 @@ Grammar(
         "PLACEHOLDER_PAT",
         "PATH_PAT",
         "STRUCT_PAT",
+        "TUPLE_STRUCT_PAT",
         "TUPLE_PAT",
 
         // atoms
diff --git a/src/grammar/patterns.rs b/src/grammar/patterns.rs
index d67f180fa..f1d48b5fa 100644
--- a/src/grammar/patterns.rs
+++ b/src/grammar/patterns.rs
@@ -16,6 +16,7 @@ pub(super) fn pattern(p: &mut Parser) {
     match la0 {
         UNDERSCORE => placeholder_pat(p),
         AMP => ref_pat(p),
+        L_PAREN => tuple_pat(p),
         _ => p.err_and_bump("expected pattern"),
     }
 }
@@ -33,7 +34,7 @@ fn path_pat(p: &mut Parser) {
     let kind = match p.current() {
         L_PAREN => {
             tuple_pat_fields(p);
-            TUPLE_PAT
+            TUPLE_STRUCT_PAT
         }
         L_CURLY => {
             struct_pat_fields(p);
@@ -116,6 +117,17 @@ fn ref_pat(p: &mut Parser) {
     m.complete(p, REF_PAT);
 }
 
+// test tuple_pat
+// fn main() {
+//     let (a, b, ..) = ();
+// }
+fn tuple_pat(p: &mut Parser) {
+    assert!(p.at(L_PAREN));
+    let m = p.start();
+    tuple_pat_fields(p);
+    m.complete(p, TUPLE_PAT);
+}
+
 // test bind_pat
 // fn main() {
 //     let a = ();
diff --git a/src/syntax_kinds/generated.rs b/src/syntax_kinds/generated.rs
index db8c20004..c8ddf333c 100644
--- a/src/syntax_kinds/generated.rs
+++ b/src/syntax_kinds/generated.rs
@@ -132,6 +132,7 @@ pub enum SyntaxKind {
     PLACEHOLDER_PAT,
     PATH_PAT,
     STRUCT_PAT,
+    TUPLE_STRUCT_PAT,
     TUPLE_PAT,
     TUPLE_EXPR,
     ARRAY_EXPR,
@@ -371,6 +372,7 @@ impl SyntaxKind {
             PLACEHOLDER_PAT => &SyntaxInfo { name: "PLACEHOLDER_PAT" },
             PATH_PAT => &SyntaxInfo { name: "PATH_PAT" },
             STRUCT_PAT => &SyntaxInfo { name: "STRUCT_PAT" },
+            TUPLE_STRUCT_PAT => &SyntaxInfo { name: "TUPLE_STRUCT_PAT" },
             TUPLE_PAT => &SyntaxInfo { name: "TUPLE_PAT" },
             TUPLE_EXPR => &SyntaxInfo { name: "TUPLE_EXPR" },
             ARRAY_EXPR => &SyntaxInfo { name: "ARRAY_EXPR" },
diff --git a/tests/data/parser/inline/0071_tuple_pat_fields.txt b/tests/data/parser/inline/0071_tuple_pat_fields.txt
index a6bfd3256..1eca6d370 100644
--- a/tests/data/parser/inline/0071_tuple_pat_fields.txt
+++ b/tests/data/parser/inline/0071_tuple_pat_fields.txt
@@ -14,7 +14,7 @@ FILE@[0; 97)
       LET_STMT@[15; 28)
         LET_KW@[15; 18)
         WHITESPACE@[18; 19)
-        TUPLE_PAT@[19; 22)
+        TUPLE_STRUCT_PAT@[19; 22)
           PATH@[19; 20)
             PATH_SEGMENT@[19; 20)
               NAME_REF@[19; 20)
@@ -32,7 +32,7 @@ FILE@[0; 97)
       LET_STMT@[33; 47)
         LET_KW@[33; 36)
         WHITESPACE@[36; 37)
-        TUPLE_PAT@[37; 41)
+        TUPLE_STRUCT_PAT@[37; 41)
           PATH@[37; 38)
             PATH_SEGMENT@[37; 38)
               NAME_REF@[37; 38)
@@ -52,7 +52,7 @@ FILE@[0; 97)
       LET_STMT@[52; 67)
         LET_KW@[52; 55)
         WHITESPACE@[55; 56)
-        TUPLE_PAT@[56; 61)
+        TUPLE_STRUCT_PAT@[56; 61)
           PATH@[56; 57)
             PATH_SEGMENT@[56; 57)
               NAME_REF@[56; 57)
@@ -73,7 +73,7 @@ FILE@[0; 97)
       LET_STMT@[72; 94)
         LET_KW@[72; 75)
         WHITESPACE@[75; 76)
-        TUPLE_PAT@[76; 88)
+        TUPLE_STRUCT_PAT@[76; 88)
           PATH@[76; 77)
             PATH_SEGMENT@[76; 77)
               NAME_REF@[76; 77)
diff --git a/tests/data/parser/inline/0072_path_part.txt b/tests/data/parser/inline/0072_path_part.txt
index 696de200e..0c7865998 100644
--- a/tests/data/parser/inline/0072_path_part.txt
+++ b/tests/data/parser/inline/0072_path_part.txt
@@ -74,7 +74,7 @@ FILE@[0; 103)
       LET_STMT@[83; 100)
         LET_KW@[83; 86)
         WHITESPACE@[86; 87)
-        TUPLE_PAT@[87; 94)
+        TUPLE_STRUCT_PAT@[87; 94)
           PATH@[87; 90)
             PATH_SEGMENT@[87; 90)
               NAME_REF@[87; 90)
diff --git a/tests/data/parser/inline/0076_cond.txt b/tests/data/parser/inline/0076_cond.txt
index c4924574f..e8cf677cf 100644
--- a/tests/data/parser/inline/0076_cond.txt
+++ b/tests/data/parser/inline/0076_cond.txt
@@ -16,7 +16,7 @@ FILE@[0; 38)
         WHITESPACE@[13; 14)
         LET_KW@[14; 17)
         WHITESPACE@[17; 18)
-        TUPLE_PAT@[18; 25)
+        TUPLE_STRUCT_PAT@[18; 25)
           PATH@[18; 22)
             PATH_SEGMENT@[18; 22)
               NAME_REF@[18; 22)
diff --git a/tests/data/parser/inline/0077_while_expr.txt b/tests/data/parser/inline/0077_while_expr.txt
index fffbb37de..5c936a607 100644
--- a/tests/data/parser/inline/0077_while_expr.txt
+++ b/tests/data/parser/inline/0077_while_expr.txt
@@ -29,7 +29,7 @@ FILE@[0; 70)
           WHITESPACE@[39; 40)
           LET_KW@[40; 43)
           WHITESPACE@[43; 44)
-          TUPLE_PAT@[44; 51)
+          TUPLE_STRUCT_PAT@[44; 51)
             PATH@[44; 48)
               PATH_SEGMENT@[44; 48)
                 NAME_REF@[44; 48)
diff --git a/tests/data/parser/inline/0086_tuple_pat.rs b/tests/data/parser/inline/0086_tuple_pat.rs
new file mode 100644
index 000000000..f785acd36
--- /dev/null
+++ b/tests/data/parser/inline/0086_tuple_pat.rs
@@ -0,0 +1,3 @@
+fn main() {
+    let (a, b, ..) = ();
+}
diff --git a/tests/data/parser/inline/0086_tuple_pat.txt b/tests/data/parser/inline/0086_tuple_pat.txt
new file mode 100644
index 000000000..6c2f25d36
--- /dev/null
+++ b/tests/data/parser/inline/0086_tuple_pat.txt
@@ -0,0 +1,40 @@
+FILE@[0; 39)
+  FN_ITEM@[0; 38)
+    FN_KW@[0; 2)
+    WHITESPACE@[2; 3)
+    NAME@[3; 7)
+      IDENT@[3; 7) "main"
+    PARAM_LIST@[7; 9)
+      L_PAREN@[7; 8)
+      R_PAREN@[8; 9)
+    WHITESPACE@[9; 10)
+    BLOCK_EXPR@[10; 38)
+      L_CURLY@[10; 11)
+      WHITESPACE@[11; 16)
+      LET_STMT@[16; 36)
+        LET_KW@[16; 19)
+        WHITESPACE@[19; 20)
+        TUPLE_PAT@[20; 30)
+          L_PAREN@[20; 21)
+          BIND_PAT@[21; 22)
+            NAME@[21; 22)
+              IDENT@[21; 22) "a"
+          COMMA@[22; 23)
+          WHITESPACE@[23; 24)
+          BIND_PAT@[24; 25)
+            NAME@[24; 25)
+              IDENT@[24; 25) "b"
+          COMMA@[25; 26)
+          WHITESPACE@[26; 27)
+          DOTDOT@[27; 29)
+          R_PAREN@[29; 30)
+        WHITESPACE@[30; 31)
+        EQ@[31; 32)
+        WHITESPACE@[32; 33)
+        TUPLE_EXPR@[33; 35)
+          L_PAREN@[33; 34)
+          R_PAREN@[34; 35)
+        SEMI@[35; 36)
+      WHITESPACE@[36; 37)
+      R_CURLY@[37; 38)
+  WHITESPACE@[38; 39)