[vala] Fix source reference of switch sections

[JÃrg Billeter <juergbi src gnome org>]

commit f07829f61213513d2800fe943c36f566da65452d
Author: JÃrg Billeter <j bitron ch>
Date:   Tue Nov 13 21:10:07 2012 +0100

    Fix source reference of switch sections

 vala/valaparser.vala        |    1 +
 vala/valaswitchsection.vala |    4 ++++
 2 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/vala/valaparser.vala b/vala/valaparser.vala
index c2e6280..9f090f3 100644
--- a/vala/valaparser.vala
+++ b/vala/valaparser.vala
@@ -1811,6 +1811,7 @@ public class Vala.Parser : CodeVisitor {
 		var stmt = new SwitchStatement (condition, get_src (begin));
 		expect (TokenType.OPEN_BRACE);
 		while (current () != TokenType.CLOSE_BRACE) {
+			begin = get_location ();
 			var section = new SwitchSection (get_src (begin));
 			do {
 				if (accept (TokenType.CASE)) {
diff --git a/vala/valaswitchsection.vala b/vala/valaswitchsection.vala
index ce81805..bf9932f 100644
--- a/vala/valaswitchsection.vala
+++ b/vala/valaswitchsection.vala
@@ -44,6 +44,10 @@ public class Vala.SwitchSection : Block {
 	 * @param label a switch label
 	 */
 	public void add_label (SwitchLabel label) {
+		if (labels.size == 0) {
+			this.source_reference = label.source_reference;
+		}
+
 		labels.add (label);
 		label.section = this;
 	}