test lf code to demonstrate use of parent variables within code expre…

…ssion when declaring child reactors

test/C/src/ParentParamsAccessToChildInit.lf

@@ -0,0 +1,24 @@
+target C;
+preamble {=
+    extern int child_ids[10];
+=}
+
+reactor Child (bank_index:int = 0, parent_index:int = 0, value:int = 0) {
+    preamble {=
+        int child_ids[10] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
+    =}
+    reaction (startup) {=
+        printf("Child bank_index:%d parent_index:%d value:%d\n", self->bank_index, self->parent_index, self->value);
+    =}
+}
+
+reactor Parent (bank_index:int = 0, n_parents:int = 0, n_children:int = 1) {
+    c = new [n_children] Child (parent_index = {=self->bank_index=}, value = {=child_ids[(self->bank_index * self->n_children + bank_index) % (sizeof(child_ids) / sizeof(*child_ids))]=})
+    reaction (startup) {=
+        printf("Parent[%d/%d] bank_index:%d\n", self->bank_index + 1, self->n_parents, self->bank_index);
+    =}
+}
+
+main reactor ParentParamsAccessToChildInit (n_parents:int = 2, per_parent_n_children:int = 3) {
+    p = new [n_parents] Parent (n_parents = n_parents, n_children = per_parent_n_children);
+}