Diff: mbed/platform/mbed_preprocessor.h

Revision:

6:40e873bbc5f7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed/platform/mbed_preprocessor.h	Thu Mar 16 21:58:09 2017 +0900
@@ -0,0 +1,53 @@
+/** \addtogroup platform */
+/** @{*/
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * 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.
+ */
+#ifndef MBED_PREPROCESSOR_H
+#define MBED_PREPROCESSOR_H
+
+
+/** MBED_CONCAT
+ *  Concatenate tokens together
+ *
+ *  @note
+ *  Expands tokens before concatenation
+ *
+ *  @code
+ *  // Creates a unique label based on the line number
+ *  int MBED_CONCAT(UNIQUE_LABEL_, __LINE__) = 1;
+ *  @endcode
+ */
+#define MBED_CONCAT(a, b) MBED_CONCAT_(a, b)
+#define MBED_CONCAT_(a, b) a##b
+
+/** MBED_STRINGIFY
+ *  Converts tokens into strings
+ *
+ *  @note
+ *  Expands tokens before stringification
+ *
+ *  @code
+ *  // Creates a string based on the parameters
+ *  const char *c = MBED_STRINGIFY(This is a ridiculous way to create a string)
+ *  @endcode
+ */
+#define MBED_STRINGIFY(a) MBED_STRINGIFY_(a)
+#define MBED_STRINGIFY_(a) #a
+
+
+#endif
+
+/** @}*/