[Ruby 3.0] Reject ->... and ->(...) using the same error (#4367)

* Import whitequark tests for the latest Ruby 3.0 parser changes * [Ruby 3.0] Reject ->... and ->(...) with the same error
sorbet · Jul 15, 2021 · 5df4c8b · 5df4c8b
1 parent b8f4ccb
commit 5df4c8b
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/third_party/parser/cc/lexer.rl b/third_party/parser/cc/lexer.rl
@@ -2332,7 +2332,11 @@ void lexer::set_state_expr_value() {
         if (version >= ruby_version::RUBY_27) {
           emit(token_type::tBDOT3, ident, ts, te);
         } else {
-          emit(token_type::tDOT3, ident, ts, te);
+          if (!lambda_stack.empty() && lambda_stack.top() == paren_nest) {
+            emit(token_type::tDOT3, ident, ts, te);
+          } else {
+            emit(token_type::tBDOT3, ident, ts, te);
+          }
         }
 
         fnext expr_beg; fbreak;

diff --git a/tools/scripts/import_whitequark.sh b/tools/scripts/import_whitequark.sh
@@ -14,8 +14,8 @@
 set -euo pipefail
 set -x
 
-REF=b69e8e595b804fd8e70ee1b90fc6dee81e183126
-TARGET_RUBY_VERSION="2.7"
+REF=49ed4dddfb1bf44d579fda001862149f4b9f7970
+TARGET_RUBY_VERSION="3.0"
 
 SCRIPT=$(realpath "$0")
 ROOT="$(cd "$(dirname "$SCRIPT")/../.."; pwd)"