From: Jürg Billeter <j@bitron.ch>
Date: Tue, 29 Sep 2009 20:19:18 +0000 (+0200)
Subject: Support postfix operator on array members
X-Git-Tag: 0.7.8~98
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=99ec168d1042c9baa38819805edaadfda2646cd2;p=thirdparty%2Fvala.git

Support postfix operator on array members

Fixes bug 596637.
---

diff --git a/tests/Makefile.am b/tests/Makefile.am
index f1058b826..821b4a259 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -20,6 +20,7 @@ TESTS = \
 	basic-types/strings.vala \
 	basic-types/arrays.vala \
 	basic-types/pointers.vala \
+	basic-types/bug596637.vala \
 	namespaces.vala \
 	methods/lambda.vala \
 	methods/closures.vala \
diff --git a/tests/basic-types/bug596637.vala b/tests/basic-types/bug596637.vala
new file mode 100644
index 000000000..904de17ff
--- /dev/null
+++ b/tests/basic-types/bug596637.vala
@@ -0,0 +1,5 @@
+void main () {
+	int[] a = new int[1];
+	a[0]++;
+	assert (a[0] == 1);
+}
diff --git a/vala/valapostfixexpression.vala b/vala/valapostfixexpression.vala
index 1ed72e163..b9d6af13f 100644
--- a/vala/valapostfixexpression.vala
+++ b/vala/valapostfixexpression.vala
@@ -74,7 +74,7 @@ public class Vala.PostfixExpression : Expression {
 			return false;
 		}
 
-		if (inner.value_type == null) {
+		if (!(inner.value_type is IntegerType) && !(inner.value_type is FloatingType) && !(inner.value_type is PointerType)) {
 			error = true;
 			Report.error (source_reference, "unsupported lvalue in postfix expression");
 			return false;
@@ -94,6 +94,13 @@ public class Vala.PostfixExpression : Expression {
 				/* if no symbol found, skip this check */
 				return false;
 			}
+		} else if (inner is ElementAccess) {
+			var ea = (ElementAccess) inner;
+			if (!(ea.container.value_type is ArrayType)) {
+				error = true;
+				Report.error (source_reference, "unsupported lvalue in postfix expression");
+				return false;
+			}
 		} else {
 			error = true;
 			Report.error (source_reference, "unsupported lvalue in postfix expression");