[vala] codegen: Fix lambda expressions in instance destructor

[Luca Bruno <lucabru src gnome org>]

commit 6faa435137cc7006c2ba2a0c946646a2a17a3d02
Author: Luca Bruno <lucabru src gnome org>
Date:   Sat Sep 10 11:05:59 2011 +0200

    codegen: Fix lambda expressions in instance destructor
    
    Fixes bug 646362.

 codegen/valaccodebasemodule.vala |   12 ++++++++++++
 tests/Makefile.am                |    1 +
 tests/objects/bug646362.vala     |    9 +++++++++
 3 files changed, 22 insertions(+), 0 deletions(-)
---
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 17e1abe..a21c4d4 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -126,6 +126,16 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 		}
 	}
 
+	public Destructor? current_destructor {
+		get {
+			var sym = current_symbol;
+			while (sym is Block) {
+				sym = sym.parent_symbol;
+			}
+			return sym as Destructor;
+		}
+	}
+
 	public DataType? current_return_type {
 		get {
 			var m = current_method;
@@ -5903,6 +5913,8 @@ public abstract class Vala.CCodeBaseModule : CodeGenerator {
 			return current_property_accessor.prop.this_parameter.variable_type;
 		} else if (current_constructor != null && current_constructor.binding == MemberBinding.INSTANCE) {
 			return current_constructor.this_parameter.variable_type;
+		} else if (current_destructor != null && current_destructor.binding == MemberBinding.INSTANCE) {
+			return current_destructor.this_parameter.variable_type;
 		}
 		return null;
 	}
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 751766d..5c8ddd3 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -107,6 +107,7 @@ TESTS = \
 	objects/bug634782.vala \
 	objects/bug642809.vala \
 	objects/bug643711.vala \
+	objects/bug646362.vala \
 	objects/bug646792.vala \
 	objects/bug653138.vala \
 	objects/bug654702.vala \
diff --git a/tests/objects/bug646362.vala b/tests/objects/bug646362.vala
new file mode 100644
index 0000000..526db6c
--- /dev/null
+++ b/tests/objects/bug646362.vala
@@ -0,0 +1,9 @@
+public class Foo : Object {
+	int bar;
+	~Foo() {
+		var baz = bar;
+		SourceFunc f = () => baz == 2;
+	}
+}
+
+void main () { }