[vala/0.46] vala: Rely on more implementations of Block in SwitchSection

[Rico Tzschichholz <ricotz src gnome org>]

commit f66d13953c353ff399e58545e795bfbd3073d6b1
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Feb 20 14:19:10 2020 +0100

    vala: Rely on more implementations of Block in SwitchSection
    
    It was possible that statements in switch-sections were not processed
    by the semantic-analyzer. Therefore they were not checked for errors
    and marked as such.

 vala/valaswitchsection.vala | 31 ++++---------------------------
 1 file changed, 4 insertions(+), 27 deletions(-)
---
diff --git a/vala/valaswitchsection.vala b/vala/valaswitchsection.vala
index 2b6bc60ab..c4226aa27 100644
--- a/vala/valaswitchsection.vala
+++ b/vala/valaswitchsection.vala
@@ -80,16 +80,7 @@ public class Vala.SwitchSection : Block {
                        label.accept (visitor);
                }
 
-               foreach (Statement st in get_statements ()) {
-                       st.accept (visitor);
-               }
-       }
-
-       public override void get_error_types (Collection<DataType> collection, SourceReference? 
source_reference = null) {
-               // use get_statements () instead of statement_list to not miss errors within StatementList 
objects
-               foreach (var stmt in get_statements ()) {
-                       stmt.get_error_types (collection, source_reference);
-               }
+               base.accept_children (visitor);
        }
 
        public override bool check (CodeContext context) {
@@ -97,29 +88,15 @@ public class Vala.SwitchSection : Block {
                        return !error;
                }
 
-               checked = true;
-
                foreach (SwitchLabel label in get_labels ()) {
                        label.check (context);
                }
 
-               owner = context.analyzer.current_symbol.scope;
-
-               var old_symbol = context.analyzer.current_symbol;
-               var old_insert_block = context.analyzer.insert_block;
-               context.analyzer.current_symbol = this;
-               context.analyzer.insert_block = this;
-
-               foreach (Statement st in get_statements ()) {
-                       st.check (context);
+               if (!base.check (context)) {
+                       error = true;
                }
 
-               foreach (LocalVariable local in get_local_variables ()) {
-                       local.active = false;
-               }
-
-               context.analyzer.current_symbol = old_symbol;
-               context.analyzer.insert_block = old_insert_block;
+               checked = true;
 
                return !error;
        }