Add WherePred to allow predicate access in WhereClause

This also unifies parsing of WHERE_PRED bounds, now Lifetime bounds will also be parsed using TYPE_BOUND_LIST
2025-10-01 06:11:35 +00:00 · 2019-03-24 19:45:11 +02:00 · 2019-03-24 19:45:11 +02:00 · 3f62ab8f51
commit 3f62ab8f51
parent 4666138c91
5 changed files with 132 additions and 8 deletions
--- a/crates/ra_syntax/src/grammar.ron
+++ b/crates/ra_syntax/src/grammar.ron
@ -595,7 +595,20 @@ Grammar(
                ["bounds", "TypeBound"],
            ]
        ),
-        "WhereClause": (),
+        "WherePred": (
+            options: [
+                "TypeRef",
+                "Lifetime",
+            ],
+            traits: [
+                "TypeBoundsOwner",
+            ],
+        ),
+        "WhereClause": (
+            collections: [
+                ["predicates", "WherePred"],
+            ],
+        ),
        "ExprStmt": (
            options: [ ["expr", "Expr"] ]
        ),