[hal] Add SimInt and SimLong wrappers for int/long SimValue (#3066)

hal/src/main/native/cpp/jni/SimDeviceJNI.cpp

@@ -153,6 +153,30 @@ Java_edu_wpi_first_hal_SimDeviceJNI_getSimValue
   return hal::CreateHALValue(env, HAL_GetSimValue(handle));
 }
 
+/*
+ * Class:     edu_wpi_first_hal_SimDeviceJNI
+ * Method:    getSimValueInt
+ * Signature: (I)I
+ */
+JNIEXPORT jint JNICALL
+Java_edu_wpi_first_hal_SimDeviceJNI_getSimValueInt
+  (JNIEnv*, jclass, jint handle)
+{
+  return HAL_GetSimValueInt(handle);
+}
+
+/*
+ * Class:     edu_wpi_first_hal_SimDeviceJNI
+ * Method:    getSimValueLong
+ * Signature: (I)J
+ */
+JNIEXPORT jlong JNICALL
+Java_edu_wpi_first_hal_SimDeviceJNI_getSimValueLong
+  (JNIEnv*, jclass, jint handle)
+{
+  return HAL_GetSimValueLong(handle);
+}
+
 /*
  * Class:     edu_wpi_first_hal_SimDeviceJNI
  * Method:    getSimValueDouble

hal/src/main/native/include/hal/SimDevice.h

@@ -196,6 +196,30 @@ inline HAL_Value HAL_GetSimValue(HAL_SimValueHandle handle) {
 }  // extern "C++"
 #endif
 
+/**
+ * Gets a simulated value (int).
+ *
+ * @param handle simulated value handle
+ * @return The current value
+ */
+inline int32_t HAL_GetSimValueInt(HAL_SimValueHandle handle) {
+  struct HAL_Value v;
+  HAL_GetSimValue(handle, &v);
+  return v.type == HAL_INT ? v.data.v_int : 0;
+}
+
+/**
+ * Gets a simulated value (long).
+ *
+ * @param handle simulated value handle
+ * @return The current value
+ */
+inline int64_t HAL_GetSimValueLong(HAL_SimValueHandle handle) {
+  struct HAL_Value v;
+  HAL_GetSimValue(handle, &v);
+  return v.type == HAL_LONG ? v.data.v_long : 0;
+}
+
 /**
  * Gets a simulated value (double).
  *
@@ -248,6 +272,28 @@ inline void HAL_SetSimValue(HAL_SimValueHandle handle, const HAL_Value& value) {
 }  // extern "C++"
 #endif
 
+/**
+ * Sets a simulated value (int).
+ *
+ * @param handle simulated value handle
+ * @param value the value to set
+ */
+inline void HAL_SetSimValueInt(HAL_SimValueHandle handle, int value) {
+  struct HAL_Value v = HAL_MakeInt(value);
+  HAL_SetSimValue(handle, &v);
+}
+
+/**
+ * Sets a simulated value (long).
+ *
+ * @param handle simulated value handle
+ * @param value the value to set
+ */
+inline void HAL_SetSimValueLong(HAL_SimValueHandle handle, int64_t value) {
+  struct HAL_Value v = HAL_MakeLong(value);
+  HAL_SetSimValue(handle, &v);
+}
+
 /**
  * Sets a simulated value (double).
  *
@@ -342,6 +388,74 @@ class SimValue {
   HAL_SimValueHandle m_handle = HAL_kInvalidHandle;
 };
 
+/**
+ * C++ wrapper around a HAL simulator int value handle.
+ */
+class SimInt : public SimValue {
+ public:
+  /**
+   * Default constructor that results in an "empty" object that is false in
+   * a boolean context.
+   */
+  SimInt() = default;
+
+  /**
+   * Wraps a simulated value handle as returned by HAL_CreateSimValueInt().
+   *
+   * @param handle simulated value handle
+   */
+  /*implicit*/ SimInt(HAL_SimValueHandle val)  // NOLINT
+      : SimValue(val) {}
+
+  /**
+   * Gets the simulated value.
+   *
+   * @return The current value
+   */
+  int32_t Get() const { return HAL_GetSimValueInt(m_handle); }
+
+  /**
+   * Sets the simulated value.
+   *
+   * @param value the value to set
+   */
+  void Set(int32_t value) { HAL_SetSimValueInt(m_handle, value); }
+};
+
+/**
+ * C++ wrapper around a HAL simulator long value handle.
+ */
+class SimLong : public SimValue {
+ public:
+  /**
+   * Default constructor that results in an "empty" object that is false in
+   * a boolean context.
+   */
+  SimLong() = default;
+
+  /**
+   * Wraps a simulated value handle as returned by HAL_CreateSimValueLong().
+   *
+   * @param handle simulated value handle
+   */
+  /*implicit*/ SimLong(HAL_SimValueHandle val)  // NOLINT
+      : SimValue(val) {}
+
+  /**
+   * Gets the simulated value.
+   *
+   * @return The current value
+   */
+  int64_t Get() const { return HAL_GetSimValueLong(m_handle); }
+
+  /**
+   * Sets the simulated value.
+   *
+   * @param value the value to set
+   */
+  void Set(int64_t value) { HAL_SetSimValueLong(m_handle, value); }
+};
+
 /**
  * C++ wrapper around a HAL simulator double value handle.
  */