[vala] codegen: Use append_array_size for null literals

[Jürg Billeter <juergbi src gnome org>]

commit 9238d503ea1afff62434abbba70bdcb8f8e8f74d
Author: Jürg Billeter <j bitron ch>
Date:   Sat Oct 9 17:45:10 2010 +0200

    codegen: Use append_array_size for null literals

 codegen/valaccodearraymodule.vala |   21 ++++++---------------
 codegen/valaccodebasemodule.vala  |    7 +++++++
 2 files changed, 13 insertions(+), 15 deletions(-)
---
diff --git a/codegen/valaccodearraymodule.vala b/codegen/valaccodearraymodule.vala
index 96b9696..40c4e9b 100644
--- a/codegen/valaccodearraymodule.vala
+++ b/codegen/valaccodearraymodule.vala
@@ -175,23 +175,14 @@ public class Vala.CCodeArrayModule : CCodeMethodCallModule {
 			array_expr = reftransfer_expr.inner;
 		}
 		
-		if (array_expr is ArrayCreationExpression || array_expr is MethodCall || array_expr is CastExpression || array_expr is SliceExpression) {
-			List<CCodeExpression> size = get_array_sizes (array_expr);
-			if (size != null && size.size >= dim) {
+		List<CCodeExpression> size = get_array_sizes (array_expr);
+		if (size != null && size.size >= dim) {
+			if (is_out) {
+				// passing array as out/ref
+				return new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, size[dim - 1]);
+			} else {
 				return size[dim - 1];
 			}
-		} else if (array_expr.symbol_reference != null) {
-			List<CCodeExpression> size = get_array_sizes (array_expr);
-			if (size != null && size.size >= dim) {
-				if (is_out) {
-					// passing array as out/ref
-					return new CCodeUnaryExpression (CCodeUnaryOperator.ADDRESS_OF, size[dim - 1]);
-				} else {
-					return size[dim - 1];
-				}
-			}
-		} else if (array_expr is NullLiteral) {
-			return new CCodeConstant ("0");
 		}
 
 		if (!is_out) {
diff --git a/codegen/valaccodebasemodule.vala b/codegen/valaccodebasemodule.vala
index 0c735e3..9e41f31 100644
--- a/codegen/valaccodebasemodule.vala
+++ b/codegen/valaccodebasemodule.vala
@@ -3545,6 +3545,13 @@ public class Vala.CCodeBaseModule : CodeGenerator {
 			cfile.add_include ("stddef.h");
 		}
 		set_cvalue (expr, new CCodeConstant ("NULL"));
+
+		var array_type = expr.target_type as ArrayType;
+		if (array_type != null) {
+			for (int dim = 1; dim <= array_type.rank; dim++) {
+				append_array_size (expr, new CCodeConstant ("0"));
+			}
+		}
 	}
 
 	public virtual string get_delegate_target_cname (string delegate_cname) {