[vala/wip/transform: 50/50] codegen: Do not emit empty blocks

[Luca Bruno <lucabru src gnome org>]

commit 0058fd6295e8ad20f39014a6d365efdeae99a65e
Author: Luca Bruno <lucabru src gnome org>
Date:   Fri Apr 13 15:06:16 2012 +0200

    codegen: Do not emit empty blocks

 ccode/valaccodeblock.vala |    4 ++++
 vala/valablock.vala       |    1 -
 2 files changed, 4 insertions(+), 1 deletions(-)
---
diff --git a/ccode/valaccodeblock.vala b/ccode/valaccodeblock.vala
index 5c8f2c7..1b87089 100644
--- a/ccode/valaccodeblock.vala
+++ b/ccode/valaccodeblock.vala
@@ -50,6 +50,10 @@ public class Vala.CCodeBlock : CCodeStatement {
 	}
 	
 	public override void write (CCodeWriter writer) {
+		if (statements.size == 0) {
+			return;
+		}
+
 		// the last reachable statement
 		CCodeNode last_statement = null;
 
diff --git a/vala/valablock.vala b/vala/valablock.vala
index 488c499..465b4ab 100644
--- a/vala/valablock.vala
+++ b/vala/valablock.vala
@@ -175,7 +175,6 @@ public class Vala.Block : Symbol, Statement {
 		if (source_reference == null) {
 			source_reference = this.source_reference;
 		}
-		// use get_statements () instead of statement_list to not miss errors within StatementList objects
 		foreach (Statement stmt in this) {
 			stmt.get_error_types (collection, source_reference);
 		}