Add example for DeepState_TakeOver()

examples/CMakeLists.txt

@@ -43,3 +43,6 @@ target_link_libraries(StreamingAndFormatting deepstate)
 add_executable(Squares Squares.c)
 target_link_libraries(Squares deepstate)
 set_target_properties(Squares PROPERTIES COMPILE_DEFINITIONS "DEEPSTATE_TEST")
+
+add_executable(TakeOver TakeOver.cpp)
+target_link_libraries(TakeOver deepstate)

examples/TakeOver.cpp

@@ -0,0 +1,45 @@
+/*
+ * Copyright (c) 2018 Trail of Bits, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include <deepstate/DeepState.hpp>
+
+using namespace deepstate;
+
+DEEPSTATE_NOINLINE void func(uint32_t x) {
+  CHECK_LT(x, 0x1234)
+    << "Found x=" << x << " was not greater than 0x1234.";
+
+  if (x < 0x1234) {
+    printf("hi\n");
+  } else {
+    printf("bye\n");
+  }
+}
+
+int main(int argc, char *argv[]) {
+  DeepState_InitOptions(argc, argv);
+
+  uint32_t x = 123;
+  func(x);  // Unexplored
+
+  DeepState_TakeOver();
+
+  Symbolic<uint32_t> y;
+  Symbolic<uint32_t> z;
+  func(y);  // Explored
+  func(z);  // Explored
+}