[gcc/devel/rust/master] ast: Dump add proper `line_trailing` argument to `visit_items_as_block`

[Thomas Schwinge <tschwinge@gcc.gnu.org>]

https://gcc.gnu.org/g:dd6296cffed6943de1cde7baead9177404323c4d

commit dd6296cffed6943de1cde7baead9177404323c4d
Author: Jakub Dupak <dev@jakubdupak.com>
Date:   Fri Oct 28 17:49:29 2022 +0200

    ast: Dump add proper `line_trailing` argument to `visit_items_as_block`
    
    Signed-off-by: Jakub Dupak <dev@jakubdupak.com>

Diff:
---
 gcc/rust/ast/rust-ast-dump.cc | 21 +++++++++++----------
 gcc/rust/ast/rust-ast-dump.h  |  4 ++--
 2 files changed, 13 insertions(+), 12 deletions(-)

diff --git a/gcc/rust/ast/rust-ast-dump.cc b/gcc/rust/ast/rust-ast-dump.cc
index 986a8b3ed13..191e328b134 100644
--- a/gcc/rust/ast/rust-ast-dump.cc
+++ b/gcc/rust/ast/rust-ast-dump.cc
@@ -101,7 +101,8 @@ Dump::visit_items_as_lines (T &collection, const std::string &trailing)
 
 template <typename T>
 void
-Dump::visit_items_as_block (T &collection, char left_brace, char right_brace)
+Dump::visit_items_as_block (T &collection, const std::string &line_trailing,
+			    char left_brace, char right_brace)
 {
   if (collection.empty ())
     {
@@ -112,7 +113,7 @@ Dump::visit_items_as_block (T &collection, char left_brace, char right_brace)
       stream << left_brace << '\n';
 
       indentation.increment ();
-      visit_items_as_lines (collection, ",");
+      visit_items_as_lines (collection, line_trailing);
       indentation.decrement ();
 
       stream << indentation << right_brace << '\n';
@@ -944,7 +945,7 @@ Dump::visit (StructStruct &struct_item)
 
   // FIXME: where-clause
 
-  visit_items_as_block (struct_item.get_fields ());
+  visit_items_as_block (struct_item.get_fields (), ",");
 }
 
 void
@@ -979,7 +980,7 @@ void
 Dump::visit (EnumItemStruct &item)
 {
   stream << item.get_identifier ();
-  visit_items_as_block (item.get_struct_fields ());
+  visit_items_as_block (item.get_struct_fields (), ",");
 }
 
 void
@@ -998,7 +999,7 @@ Dump::visit (Enum &enum_item)
 
   // FIXME: where-clause
 
-  visit_items_as_block (enum_item.get_variants ());
+  visit_items_as_block (enum_item.get_variants (), ",");
 }
 
 void
@@ -1010,7 +1011,7 @@ Dump::visit (Union &union_item)
 
   // FIXME: where-clause
 
-  visit_items_as_block (union_item.get_variants ());
+  visit_items_as_block (union_item.get_variants (), ",");
 }
 
 void
@@ -1114,7 +1115,7 @@ Dump::visit (Trait &trait)
       stream << ">";
     }
 
-  visit_items_as_block (trait.get_trait_items ());
+  visit_items_as_block (trait.get_trait_items (), "");
 }
 
 void
@@ -1129,7 +1130,7 @@ Dump::visit (InherentImpl &impl)
   // FIXME: Handle where-clause
   // FIXME: Handle inner attributes
 
-  visit_items_as_block (impl.get_impl_items ());
+  visit_items_as_block (impl.get_impl_items (), "");
 }
 
 void
@@ -1182,7 +1183,7 @@ Dump::visit (ExternBlock &block)
   if (block.has_abi ())
     stream << "\"" << block.get_abi () << "\" ";
 
-  visit_items_as_block (block.get_extern_items ());
+  visit_items_as_block (block.get_extern_items (), ";");
 }
 
 static std::pair<char, char>
@@ -1277,7 +1278,7 @@ Dump::visit (MacroRulesDefinition &rules_def)
 
   stream << "macro_rules! " << rules_def.get_rule_name ();
 
-  visit_items_as_block (rules_def.get_rules ());
+  visit_items_as_block (rules_def.get_rules (), ";");
 }
 
 void
diff --git a/gcc/rust/ast/rust-ast-dump.h b/gcc/rust/ast/rust-ast-dump.h
index f63c214f41a..13c92123ea9 100644
--- a/gcc/rust/ast/rust-ast-dump.h
+++ b/gcc/rust/ast/rust-ast-dump.h
@@ -112,8 +112,8 @@ private:
    * collection to print only the delimiters with no new line inside.
    */
   template <typename T>
-  void visit_items_as_block (T &collection, char left_brace = '{',
-			     char right_brace = '}');
+  void visit_items_as_block (T &collection, const std::string &line_trailing,
+			     char left_brace = '{', char right_brace = '}');
 
   /**
    * Visit common items of functions: Parameters, return type, block