[svn r38] * resizing dynamic arrays support

* throw is replaced with assert(0)
* catch is ignored
* better foreach support
* various bugfixes

test/arrays3.d

@@ -0,0 +1,10 @@
+module arrays3;
+
+void main()
+{
+    int[] arr;
+    {arr = new int[25];}
+    {assert(arr.length == 25);}
+    {arr.length = arr.length + 5;}
+    {assert(arr.length == 30);}
+}

test/bug7.d

@@ -0,0 +1,14 @@
+module bug7;
+
+class love { }
+void bug() {
+    love[] child;
+    child.length=1;
+    assert(child[0] is null);
+    child[0]=null;
+    assert(child[0] is null);
+}
+void main()
+{
+    bug();
+}

test/foreach2.d

@@ -0,0 +1,15 @@
+module foreach2;
+
+void main()
+{
+    static arr = [1.0, 2.0, 4.0, 8.0, 16.0];
+    foreach(i,v; arr)
+    {
+        printf("arr[%d] = %f\n", i, v);
+    }
+    printf("-------------------------------\n");
+    foreach_reverse(i,v; arr)
+    {
+        printf("arr[%d] = %f\n", i, v);
+    }
+}

test/foreach3.d

@@ -0,0 +1,19 @@
+module foreach3;
+
+void main()
+{
+    static str = ['h','e','l','l','o'];
+    foreach(i,v; str) {
+        printf("%c",v);
+    }
+    printf("\n");
+
+    foreach(i,v; str) {
+        v++;
+    }
+
+    foreach(i,v; str) {
+        printf("%c",v);
+    }
+    printf("\n");
+}

test/memory1.d

@@ -0,0 +1,10 @@
+module memory1;
+
+void main()
+{
+    auto a = new int[16];
+    {printf("array.length = %u\n", a.length);}
+    {a.length = a.length + 1;}
+    {printf("array.length = %u\n", a.length);}
+    {assert(a.length == 17);}
+}

test/throw1.d

@@ -0,0 +1,26 @@
+module throw1;
+
+extern(C) int rand();
+
+class C
+{
+}
+
+void func()
+{
+    if (rand() & 1)
+        throw new C;
+}
+
+int main()
+{
+    try
+    {
+        func();
+    }
+    catch(Object)
+    {
+        return 1;
+    }
+    return 0;
+}