QL code and tests for C#/C++/JavaScript.

cpp/ql/test/successor-tests/stackvariables/stackvariables/condition_decls.cpp

@@ -0,0 +1,52 @@
+struct BoxedInt {
+  BoxedInt(int x) {
+    m_ptr = new int(x);
+  }
+  ~BoxedInt() {
+    delete m_ptr;
+  }
+  operator int() {
+    return *m_ptr;
+  }
+
+  int* m_ptr;
+};
+
+void if_decl_bind(int x) {
+  if(BoxedInt bi = x) {
+    ++*bi.m_ptr;
+  }
+  else {
+    --*bi.m_ptr;
+  }
+  x = 1;
+}
+
+void switch_decl_bind(int x) {
+  switch(BoxedInt bi = x) {
+  case 0:
+    --*bi.m_ptr;
+    break;
+  case 1:
+    ++*bi.m_ptr;
+    break;
+  default:
+    *bi.m_ptr /= 2;
+    /* no break -- this is important */
+  }
+  x = 1;
+}
+
+void while_decl_bind(int x) {
+  while(BoxedInt bi = x) {
+    --x;
+  }
+  ++x;
+}
+
+void for_decl_bind(int x) {
+  for(BoxedInt init = -x; BoxedInt bi = x; x *= 2) {
+    ++x;
+  }
+  --x;
+}