1 files changed, 302 insertions, 0 deletions
diff --git a/longbow/src/LongBow/longBow_Compiler.h b/longbow/src/LongBow/longBow_Compiler.h
new file mode 100755
index 00000000..197e1e8c
--- /dev/null
+++ b/longbow/src/LongBow/longBow_Compiler.h
@@ -0,0 +1,302 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ * 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.
+ */
+
+/**
+ * @file longBow_Compiler.h
+ * @ingroup compiling
+ * @brief LongBow compile time functionality.
+ *
+ */
+#ifndef LongBow_compiling_h
+#define LongBow_compiling_h
+
+/**
+ * @def LONGBOW_GNUC_EXACTLY
+ *
+ * Compile-time test to determine if the compiler is the GNU C compiler with the specfied
+ * version, revision and patch levels.
+ *
+ * @param [in] major The required major version number of the compiler.
+ * @param [in] minor The required minor version number of the compiler.
+ * @param [in] patch The required patch number of the compiler.
+ *
+ * @return true If the current compiler matches the requirements.
+ *
+ * Example:
+ * @code
+ * #if LONGBOW_GNUC_EXACTLY(4,2,1)
+ *   printf("Hello GNU compiler 4.2.1\n");
+ * #endif
+ * @endcode
+ *
+ * @see LONGBOW_GNUC_ATLEAST
+ */
+#ifdef __GNUC__
+#  define LONGBOW_GNUC_EXACTLY(major, minor, patch) \
+    (__GNUC__ == major) && (__GNUC_MINOR__ = minor) && (__GNUC_PATCHLEVEL__ == patch)
+#else
+#  define LONGBOW_GNUC_EXACTLY(major, minor, patch) \
+    (0)
+#endif
+
+/**
+ * @def LONGBOW_GNUC_ATLEAST
+ *
+ * Compile-time test to determine if the compiler is the GNU C compiler with at least the specfied
+ * version, revision and patch levels.
+ *
+ * @param [in] major The minimum required major version number of the compiler.
+ * @param [in] minor The minimum required minor version number of the compiler.
+ * @param [in] patch The minimum required patch number of the compiler.
+ *
+ * @return true If the current compiler matches the requirements.
+ * @return false If the current compiler fails to match the requirements.
+ *
+ * Example:
+ * @code
+ * #if LONGBOW_GNUC_ATLEAST(4,0,0)
+ *   printf("Hello GNU compiler 4.x\n");
+ * #endif
+ * @endcode
+ *
+ * @see LONGBOW_GNUC_EXACTLY
+ */
+#ifdef __GNUC__
+#  define LONGBOW_GNUC_ATLEAST(major, minor, patch) \
+    (__GNUC__ >= major) && (__GNUC_MINOR__ > minor) && (__GNUC_PATCHLEVEL__ >= patch)
+#else
+#  define LONGBOW_GNUC_ATLEAST(major, minor, patch) \
+    (0)
+#endif
+
+/**
+ * @def LONGBOW_CLANG_EXACTLY
+ *
+ * Compile-time test to determine if the compiler is the Clang C compiler with the specfied
+ * version, revision and patch levels.
+ *
+ * @param [in] major The required major version number of the compiler.
+ * @param [in] minor The required minor version number of the compiler.
+ * @param [in] patch The required patch number of the compiler.
+ *
+ * @return true If the current compiler matches the requirements.
+ *
+ * Example:
+ * @code
+ * #if LONGBOW_CLANG_EXACTLY(5,0,0)
+ *   printf("Hello Clang 5.0.0\n");
+ * #endif
+ * @endcode
+ *
+ * @see LONGBOW_CLANG_ATLEAST
+ */
+#ifdef __clang__
+#  define LONGBOW_CLANG_EXACTLY(major, minor, patch) \
+    (__clang_major__ == major) && (__clang_major__ = minor) && (__clang_patchlevel__ == patch)
+#else
+#  define LONGBOW_CLANG_EXACTLY(major, minor, patch) \
+    (0)
+#endif
+
+/**
+ * @def LONGBOW_CLANG_ATLEAST
+ *
+ * Compile-time test to determine if the compiler is the GNU C compiler with at least the specfied
+ * version, revision and patch levels.
+ *
+ * @param [in] major The minimum required major version number of the compiler.
+ * @param [in] minor The minimum required minor version number of the compiler.
+ * @param [in] patch The minimum required patch number of the compiler.
+ *
+ * @return true If the current compiler matches the requirements.
+ * @return false If the current compiler fails to match the requirements.
+ *
+ * Example:
+ * @code
+ * #if LONGBOW_CLANG_ATLEAST(5,0,0)
+ *   printf("Hello Clang compiler 5.x\n");
+ * #endif
+ * @endcode
+ *
+ * @see LONGBOW_CLANG_EXACTLY
+ */
+#ifdef __clang__
+#  define LONGBOW_CLANG_ATLEAST(major, minor, patch) \
+    (__clang_major__ >= major) && (__clang_major__ > minor) && (__clang_patchlevel__ >= patch)
+#else
+#  define LONGBOW_CLANG_ATLEAST(major, minor, patch) \
+    (0)
+#endif
+
+/**
+ * @def LONGBOW_START_DEPRECATED_WARNINGS
+ *
+ * Compile-time preprocessing to signal the compiler to not report the use of deprecated functions.
+ *
+ * Example:
+ * @code
+ * LONGBOW_STOP_DEPRECATED_WARNINGS
+ *  someDeprecatedFunction();
+ * @endcode
+ *
+ * @see LONBOW_STOP_DEPRECATED_WARNINGS
+ */
+
+/**
+ * @def LONGBOW_STOP_DEPRECATED_WARNINGS
+ *
+ * Compile-time preprocessing to signal the compiler to report the use of deprecated functions.
+ *
+ * Example:
+ * @code
+ * LONGBOW_STOP_DEPRECATED_WARNINGS
+ *  someDeprecatedFunction();
+ * @endcode
+ *
+ * @see LONBOW_START_DEPRECATED_WARNINGS
+ */
+#if LONGBOW_CLANG_ATLEAST(5, 0, 0) || LONGBOW_GNUC_ATLEAST(4, 6, 0)
+#  define LONGBOW_STOP_DEPRECATED_WARNINGS \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+
+#  define LONGBOW_START_DEPRECATED_WARNINGS \
+    _Pragma("GCC diagnostic pop")
+
+#elif __clang__ || __GNUC__
+
+#  define LONGBOW_STOP_DEPRECATED_WARNINGS \
+    _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+
+#  define LONGBOW_START_DEPRECATED_WARNINGS \
+    _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
+
+#else
+
+#  define LONGBOW_STOP_DEPRECATED_WARNINGS /* nothing */
+
+#  define LONGBOW_START_DEPRECATED_WARNINGS /* nothing */
+#endif
+
+/**
+ * @def LongBowCompiler_IgnoreInitializerOverrides
+ *
+ * Compile-time preprocessing to signal the compiler to not report the use of structure initializer overrides.
+ *
+ * Example:
+ * @code
+ * LongBowCompiler_IgnoreInitializerOverrides
+ *  struct foo {
+ *     int a;
+ *  } instance = {
+ *      .a = 1,
+ *      .a = 1
+ *  };
+ * LongBowCompiler_WarnInitializerOverrides
+ * @endcode
+ *
+ * @see LongBowCompiler_WarnInitializerOverrides
+ */
+#if LONGBOW_CLANG_ATLEAST(5, 0, 0)
+#  define LongBowCompiler_IgnoreInitializerOverrides \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Winitializer-overrides\"")
+
+#  define LongBowCompiler_WarnInitializerOverrides \
+    _Pragma("GCC diagnostic pop")
+
+#elif LONGBOW_GNUC_ATLEAST(4, 6, 0)
+#  define LongBowCompiler_IgnoreInitializerOverrides \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Woverride-init\"")
+
+#  define LongBowCompiler_WarnInitializerOverrides  \
+    _Pragma("GCC diagnostic pop")
+
+#elif __clang__ || __GNUC__
+#  define LongBowCompiler_IgnoreInitializerOverrides \
+    _Pragma("GCC diagnostic ignored \"-Woverride-init\"")
+
+#  define LongBowCompiler_WarnInitializerOverrides \
+    _Pragma("GCC diagnostic warning \"-Woverride-init\"")
+
+#else
+
+#  define LongBowCompiler_IgnoreInitializerOverrides /* nothing */
+
+#  define LongBowCompiler_WarnInitializerOverrides /* nothing */
+#endif
+
+/**
+ * @def LONGBOW_STOPWARNINGS_UnusedVariable
+ *
+ * Compile-time preprocessing to signal the compiler to report unused variables.
+ *
+ * Example:
+ * @code
+ * LONGBOW_STOPWARNINGS_UnusedVariable
+ * void
+ * foo(int unusedVariable)
+ * {
+ *    return;
+ * }
+ * LONGBOW_STARTWARNINGS_UnusedVariable
+ * @endcode
+ *
+ * @see LONGBOW_STARTWARNINGS_UnusedVariable
+ *
+ * @def LONGBOW_STARTWARNINGS_UnusedVariable
+ *
+ * Compile-time preprocessing to signal the compiler to report unused variables.
+ *
+ * Example:
+ * @code
+ * LONGBOW_STOPWARNINGS_UnusedVariable
+ * void
+ * foo(int unusedVariable)
+ * {
+ *    return;
+ * }
+ * LONGBOW_STARTWARNINGS_UnusedVariable
+ * @endcode
+ *
+ * @see LONGBOW_STARTWARNINGS_UnusedVariable
+ */
+#if LONGBOW_CLANG_ATLEAST(5, 0, 0)
+#  define LONGBOW_STOPWARNINGS_UnusedVariable \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wunused-variable\"")
+#  define LONGBOW_STARTWARNINGS_UnusedVariable \
+    _Pragma("GCC diagnostic pop")
+#elif LONGBOW_GNUC_ATLEAST(4, 6, 0)
+#  define LONGBOW_STOPWARNINGS_UnusedVariable \
+    _Pragma("GCC diagnostic push") \
+    _Pragma("GCC diagnostic ignored \"-Wunused-variable\"")
+#  define LONGBOW_STARTWARNINGS_UnusedVariable  \
+    _Pragma("GCC diagnostic pop")
+#elif __clang__ || __GNUC__
+#  define LONGBOW_STOPWARNINGS_UnusedVariable \
+    _Pragma("GCC diagnostic ignored \"-Wunused-variable\"")
+#  define LONGBOW_STARTWARNINGS_UnusedVariable \
+    _Pragma("GCC diagnostic warning \"-Wunused-variable\"")
+#else
+
+#  define LONGBOW_STOPWARNINGS_UnusedVariable /* nothing */
+
+#  define LONGBOW_STARTWARNINGS_UnusedVariable /* nothing */
+#endif
+
+
+#endif // LongBow_compiling_h