Fix up body semicolon finding in ripper translation

Author: kddnewton

lib/prism/translation/ripper.rb

@@ -421,16 +421,18 @@ def visit_begin_node(node)
 
       # Visit the body of a structure that can have either a set of statements
       # or statements wrapped in rescue/else/ensure.
-      private def visit_body_node(node, location)
+      private def visit_body_node(location, node)
         case node
         when nil
           bounds(location)
           on_bodystmt(visit_statements_node_body([nil]), nil, nil, nil)
         when StatementsNode
-          body = visit(node)
+          body = [*node.body]
+          body.unshift(nil) if semicolon?(location, body[0].location)
+          stmts = visit_statements_node_body(body)
 
-          bounds(node.location)
-          on_bodystmt(body, nil, nil, nil)
+          bounds(node.body.first.location)
+          on_bodystmt(stmts, nil, nil, nil)
         when BeginNode
           visit_begin_node_clauses(node)
         else
@@ -472,7 +474,7 @@ def visit_block_node(node)
             bounds(node.body.location)
             braces ? stmts : on_bodystmt(stmts, nil, nil, nil)
           when BeginNode
-            visit_body_node(node.body, node.location)
+            visit_body_node(node.parameters&.location || node.opening_loc, node.body)
           else
             raise
           end
@@ -837,7 +839,7 @@ def visit_class_node(node)
           end
 
         superclass = visit(node.superclass)
-        bodystmt = visit_body_node(node.body, node.location)
+        bodystmt = visit_body_node(node.superclass&.location || node.constant_path.location, node.body)
 
         bounds(node.location)
         on_class(constant_path, superclass, bodystmt)
@@ -1114,7 +1116,7 @@ def visit_def_node(node)
 
         bodystmt =
           if node.equal_loc.nil?
-            visit_body_node(node.body, node.location)
+            visit_body_node(node.body&.location || node.end_keyword_loc, node.body)
           else
             body = visit(node.body.body.first)
 
@@ -1754,7 +1756,7 @@ def visit_lambda_node(node)
             bounds(node.body.location)
             braces ? stmts : on_bodystmt(stmts, nil, nil, nil)
           when BeginNode
-            visit_body_node(node.body, node.location)
+            visit_body_node(node.opening_loc, node.body)
           else
             raise
           end
@@ -1888,7 +1890,7 @@ def visit_module_node(node)
             visit(node.constant_path)
           end
 
-        bodystmt = visit_body_node(node.body, node.location)
+        bodystmt = visit_body_node(node.constant_path.location, node.body)
 
         bounds(node.location)
         on_module(constant_path, bodystmt)
@@ -2250,7 +2252,7 @@ def visit_self_node(node)
       # ^^^^^^^^^^^^^^^^^^
       def visit_singleton_class_node(node)
         expression = visit(node.expression)
-        bodystmt = visit_body_node(node.body, node.location)
+        bodystmt = visit_body_node(node.body&.location || node.end_keyword_loc, node.body)
 
         bounds(node.location)
         on_sclass(expression, bodystmt)

test/prism/ripper_test.rb

@@ -14,7 +14,6 @@ class RipperTest < TestCase
       arrays.txt
       blocks.txt
       case.txt
-      classes.txt
       command_method_call.txt
       constants.txt
       dos_endings.txt
@@ -93,7 +92,6 @@ class RipperTest < TestCase
       seattlerb/if_elsif.txt
       seattlerb/lambda_do_vs_brace.txt
       seattlerb/lasgn_middle_splat.txt
-      seattlerb/magic_encoding_comment.txt
       seattlerb/masgn_anon_splat_arg.txt
       seattlerb/masgn_arg_colon_arg.txt
       seattlerb/masgn_arg_splat_arg.txt
@@ -190,7 +188,6 @@ class RipperTest < TestCase
       whitequark/bug_do_block_in_hash_brace.txt
       whitequark/case_cond_else.txt
       whitequark/case_expr_else.txt
-      whitequark/class_definition_in_while_cond.txt
       whitequark/dedenting_heredoc.txt
       whitequark/dedenting_interpolating_heredoc_fake_line_continuation.txt
       whitequark/dedenting_non_interpolating_heredoc_line_continuation.txt
@@ -215,7 +212,6 @@ class RipperTest < TestCase
       whitequark/newline_in_hash_argument.txt
       whitequark/next_block.txt
       whitequark/numbered_args_after_27.txt
-      whitequark/numparam_outside_block.txt
       whitequark/parser_bug_640.txt
       whitequark/parser_drops_truncated_parts_of_squiggly_heredoc.txt
       whitequark/parser_slash_slash_n_escaping_in_literals.txt