X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=compiler.h;h=e5a32f9c241b721345e184c18f7c2031d377eb45;hb=0d0db1a58035a25ebb6ca6eaa035ec13b4c581a0;hp=b7c78f11d59016eb973994a928890027d53db719;hpb=78af5b91002a94c63e33d1c6ccb6017b9362cb09;p=bertos.git

diff --git a/compiler.h b/compiler.h
index b7c78f11..e5a32f9c 100755
--- a/compiler.h
+++ b/compiler.h
@@ -14,6 +14,21 @@
 
 /*#*
  *#* $Log$
+ *#* Revision 1.28  2004/10/21 11:03:52  bernie
+ *#* Typo.
+ *#*
+ *#* Revision 1.27  2004/10/21 10:09:40  bernie
+ *#* Remove spurious token in preprocessor directive.
+ *#*
+ *#* Revision 1.26  2004/10/19 08:55:14  bernie
+ *#* UNUSED_FUNC: New function attribute.
+ *#*
+ *#* Revision 1.25  2004/10/19 07:14:20  bernie
+ *#* Add macros to test for specific compiler features.
+ *#*
+ *#* Revision 1.24  2004/10/03 18:35:13  bernie
+ *#* Poison C++ keywords in C programs for better portability.
+ *#*
  *#* Revision 1.23  2004/09/20 03:30:27  bernie
  *#* Remove vsprintf_P() proto, no longer needed with avr-libc 1.0.4.
  *#*
@@ -157,6 +172,11 @@
 
 #elif defined(__GNUC__)
 
+	/* Compiler features */
+	#define COMPILER_VARIADIC_MACROS 1 /* Even in C++ */
+	#define COMPILER_TYPEOF 1
+	#define COMPILER_STATEMENT_EXPRESSIONS 1
+
 	/* GCC attributes */
 	#define FORMAT(type,fmt,first)  __attribute__((__format__(type, fmt, first)))
 	#define NORETURN                __attribute__((__noreturn__))
@@ -166,6 +186,7 @@
 	#define UNLIKELY(x)             __builtin_expect(!!(x), 0)
 	#define PURE_FUNC               __attribute__((pure))
 	#define CONST_FUNC              __attribute__((const))
+	#define UNUSED_FUNC             __attribute__((unused))
 	#define RESTRICT                __restrict__
 	#define MUST_CHECK              __attribute__((warn_unused_result))
 	#if GNUC_PREREQ(3,1)
@@ -195,8 +216,23 @@
 
 	#endif
 
+	#ifndef __cplusplus
+		/*
+		 * Disallow some C++ keywords as identifiers in C programs,
+		 * for improved portability.
+		 */
+		#pragma GCC poison new delete class template typename
+		#pragma GCC poison private protected public operator
+		#pragma GCC poison friend mutable using namespace
+		#pragma GCC poison cin cout cerr clog
+	#endif
+
 #elif defined(__MWERKS__) && CPU_DSP56K
 
+	/* Compiler features */
+	#define COMPILER_TYPEOF 1
+	#define COMPILER_STATEMENT_EXPRESSIONS 1
+
 	#include <stdint.h>
 	#include <stddef.h>
 	#include <stdbool.h>
@@ -210,6 +246,32 @@
 #endif
 
 
+/* Defaults for compiler extensions. */
+
+/*!
+ * \def COMPILER_VARIADIC_MACROS
+ * Support for macros with variable arguments.
+ */
+#ifndef COMPILER_HAVE_VARIADIC_MACROS
+#define COMPILER_HAVE_VARIADIC_MACROS (COMPILER_C99 != 0)
+#endif
+
+/*!
+ * \def COMPILER_TYPEOF
+ * Support for macros with variable arguments.
+ */
+#ifndef COMPILER_TYPEOF
+#define COMPILER_TYPEOF 0
+#endif
+
+/*!
+ * \def COMPILER_STATEMENT_EXPRESSIONS
+ * Support for macros with variable arguments.
+ */
+#ifndef COMPILER_STATEMENT_EXPRESSIONS
+#define COMPILER_STATEMENT_EXPRESSIONS 0
+#endif
+
 /* A few defaults for missing compiler features. */
 #ifndef INLINE
 #define INLINE                 static inline
@@ -244,6 +306,9 @@
 #ifndef CONST_FUNC
 #define CONST_FUNC             /* nothing */
 #endif
+#ifndef UNUSED_FUNC
+#define UNUSED_FUNC            /* nothing */
+#endif
 #ifndef RESTRICT
 #define RESTRICT               /* nothing */
 #endif