[ruby/prism] Support for Ruby 2.7

https://github.com/ruby/prism/commit/1a15b70a8e

1 files changed, 16 insertions, 6 deletions

diff --git a/lib/prism/translation/parser/compiler.rb b/lib/prism/translation/parser/compiler.rb
index 45a5191154..264d85c261 100644
--- a/lib/prism/translation/parser/compiler.rb
+++ b/lib/prism/translation/parser/compiler.rb
@@ -1062,12 +1062,22 @@ module Prism
 
         # foo in bar
         # ^^^^^^^^^^
-        def visit_match_predicate_node(node)
-          builder.match_pattern_p(
-            visit(node.value),
-            token(node.operator_loc),
-            within_pattern { |compiler| node.pattern.accept(compiler) }
-          )
+        if RUBY_VERSION >= "3.0"
+          def visit_match_predicate_node(node)
+            builder.match_pattern_p(
+              visit(node.value),
+              token(node.operator_loc),
+              within_pattern { |compiler| node.pattern.accept(compiler) }
+            )
+          end
+        else
+          def visit_match_predicate_node(node)
+            builder.match_pattern(
+              visit(node.value),
+              token(node.operator_loc),
+              within_pattern { |compiler| node.pattern.accept(compiler) }
+            )
+          end
         end
 
         # foo => bar