Added variadic is_empty and is_begin_parens along with tests.

include/boost/preprocessor/facilities/detail/is_empty.hpp

@@ -0,0 +1,55 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+#ifndef BOOST_PREPROCESSOR_DETAIL_IS_EMPTY_HPP
+#define BOOST_PREPROCESSOR_DETAIL_IS_EMPTY_HPP
+
+#include <boost/preprocessor/punctuation/is_begin_parens.hpp>
+
+#if BOOST_PP_VARIADICS_MSVC
+
+# pragma warning(once:4002)
+
+#define BOOST_PP_DETAIL_IS_EMPTY_IIF_0(t, b) b
+#define BOOST_PP_DETAIL_IS_EMPTY_IIF_1(t, b) t
+
+#else
+
+#define BOOST_PP_DETAIL_IS_EMPTY_IIF_0(t, ...) __VA_ARGS__
+#define BOOST_PP_DETAIL_IS_EMPTY_IIF_1(t, ...) t
+
+#endif
+
+#if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
+
+#define BOOST_PP_DETAIL_IS_EMPTY_PROCESS(param) \
+	BOOST_PP_IS_BEGIN_PARENS \
+    	( \
+        BOOST_PP_DETAIL_IS_EMPTY_NON_FUNCTION_C param () \
+        ) \
+/**/
+
+#else
+
+#define BOOST_PP_DETAIL_IS_EMPTY_PROCESS(...) \
+	BOOST_PP_IS_BEGIN_PARENS \
+        ( \
+        BOOST_PP_DETAIL_IS_EMPTY_NON_FUNCTION_C __VA_ARGS__ () \
+        ) \
+/**/
+
+#endif
+
+#define BOOST_PP_DETAIL_IS_EMPTY_PRIMITIVE_CAT(a, b) a ## b
+#define BOOST_PP_DETAIL_IS_EMPTY_IIF(bit) BOOST_PP_DETAIL_IS_EMPTY_PRIMITIVE_CAT(BOOST_PP_DETAIL_IS_EMPTY_IIF_,bit)
+#define BOOST_PP_DETAIL_IS_EMPTY_NON_FUNCTION_C(...) ()
+
+#endif /* BOOST_PREPROCESSOR_DETAIL_IS_EMPTY_HPP */

include/boost/preprocessor/facilities/is_empty.hpp

@@ -1,6 +1,7 @@
 # /* **************************************************************************
 #  *                                                                          *
 #  *     (C) Copyright Paul Mensonides 2003.
+#  *     (C) Copyright Edward Diener 2014.
 #  *     Distributed under the Boost Software License, Version 1.0. (See
 #  *     accompanying file LICENSE_1_0.txt or copy at
 #  *     http://www.boost.org/LICENSE_1_0.txt)
@@ -13,6 +14,14 @@
 # define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_HPP
 #
 # include <boost/preprocessor/config/config.hpp>
+#
+# if BOOST_PP_VARIADICS
+#
+# include <boost/preprocessor/facilities/is_empty_variadic.hpp>
+#
+# else
+#
+# include <boost/preprocessor/config/config.hpp>
 # include <boost/preprocessor/cat.hpp>
 # include <boost/preprocessor/tuple/elem.hpp>
 # include <boost/preprocessor/facilities/empty.hpp>
@@ -40,4 +49,6 @@
 #    define BOOST_PP_IS_EMPTY_DEF_BOOST_PP_IS_EMPTY_HELPER 0, BOOST_PP_NIL
 # endif
 #
-# endif
+# endif /* BOOST_PP_VARIADICS */
+#
+# endif /* BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_HPP */

include/boost/preprocessor/facilities/is_empty_variadic.hpp

@@ -0,0 +1,56 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP
+# define BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP
+#
+# include <boost/preprocessor/config/config.hpp>
+#
+# if BOOST_PP_VARIADICS
+#
+# include <boost/preprocessor/punctuation/is_begin_parens.hpp>
+# include <boost/preprocessor/facilities/detail/is_empty.hpp>
+#
+#define BOOST_PP_IS_EMPTY_GEN_ZERO(...) 0
+#if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
+#
+#define BOOST_PP_IS_EMPTY(param) \
+    BOOST_PP_DETAIL_IS_EMPTY_IIF \
+      ( \
+      BOOST_PP_IS_BEGIN_PARENS \
+        ( \
+        param \
+        ) \
+      ) \
+      ( \
+      BOOST_PP_IS_EMPTY_GEN_ZERO, \
+      BOOST_PP_DETAIL_IS_EMPTY_PROCESS \
+      ) \
+    (param) \
+/**/
+# else
+#define BOOST_PP_IS_EMPTY(...) \
+    BOOST_PP_DETAIL_IS_EMPTY_IIF \
+      ( \
+      BOOST_PP_IS_BEGIN_PARENS \
+        ( \
+        __VA_ARGS__ \
+        ) \
+      ) \
+      ( \
+      BOOST_PP_IS_EMPTY_GEN_ZERO, \
+      BOOST_PP_DETAIL_IS_EMPTY_PROCESS \
+      ) \
+    (__VA_ARGS__) \
+/**/
+# endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */
+# endif /* BOOST_PP_VARIADICS */
+# endif /* BOOST_PREPROCESSOR_FACILITIES_IS_EMPTY_VARIADIC_HPP */

include/boost/preprocessor/punctuation.hpp

@@ -14,6 +14,7 @@
 #
 # include <boost/preprocessor/punctuation/comma.hpp>
 # include <boost/preprocessor/punctuation/comma_if.hpp>
+# include <boost/preprocessor/punctuation/is_begin_parens.hpp>
 # include <boost/preprocessor/punctuation/paren.hpp>
 # include <boost/preprocessor/punctuation/paren_if.hpp>
 #

include/boost/preprocessor/punctuation/detail/is_begin_parens.hpp

@@ -0,0 +1,48 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+#ifndef BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
+#define BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP
+
+#if BOOST_PP_VARIADICS_MSVC
+
+#include <boost/preprocessor/facilities/empty.hpp>
+
+#define BOOST_PP_DETAIL_VD_IBP_CAT(a, b) BOOST_PP_DETAIL_VD_IBP_CAT_I(a, b)
+#define BOOST_PP_DETAIL_VD_IBP_CAT_I(a, b) BOOST_PP_DETAIL_VD_IBP_CAT_II(a ## b)
+#define BOOST_PP_DETAIL_VD_IBP_CAT_II(res) res
+
+#define BOOST_PP_DETAIL_IBP_SPLIT(i, ...) \
+    BOOST_PP_DETAIL_VD_IBP_CAT(BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(BOOST_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__),BOOST_PP_EMPTY()) \
+/**/
+
+#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1 1
+
+#else
+
+#define BOOST_PP_DETAIL_IBP_SPLIT(i, ...) \
+    BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(BOOST_PP_DETAIL_IBP_SPLIT_,i)(__VA_ARGS__) \
+/**/
+
+#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_C(...) 1
+
+#endif /* BOOST_PP_VARIADICS_MSVC */
+
+#define BOOST_PP_DETAIL_IBP_SPLIT_0(a, ...) a
+#define BOOST_PP_DETAIL_IBP_SPLIT_1(a, ...) __VA_ARGS__
+
+#define BOOST_PP_DETAIL_IBP_CAT(a, ...) BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(a,__VA_ARGS__)
+#define BOOST_PP_DETAIL_IBP_PRIMITIVE_CAT(a, ...) a ## __VA_ARGS__
+
+#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_1 1,
+#define BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_BOOST_PP_DETAIL_IBP_IS_VARIADIC_C 0,
+
+#endif /* BOOST_PREPROCESSOR_DETAIL_IS_BEGIN_PARENS_HPP */

include/boost/preprocessor/punctuation/is_begin_parens.hpp

@@ -0,0 +1,51 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# ifndef BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP
+# define BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP
+
+# include <boost/preprocessor/config/config.hpp>
+
+#if BOOST_PP_VARIADICS
+
+#include <boost/preprocessor/punctuation/detail/is_begin_parens.hpp>
+
+#if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
+
+#define BOOST_PP_IS_BEGIN_PARENS(param) \
+    BOOST_PP_DETAIL_IBP_SPLIT \
+      ( \
+      0, \
+      BOOST_PP_DETAIL_IBP_CAT \
+        ( \
+        BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \
+        BOOST_PP_DETAIL_IBP_IS_VARIADIC_C param \
+        ) \
+      ) \
+/**/
+
+#else
+
+#define BOOST_PP_IS_BEGIN_PARENS(...) \
+    BOOST_PP_DETAIL_IBP_SPLIT \
+      ( \
+      0, \
+      BOOST_PP_DETAIL_IBP_CAT \
+        ( \
+        BOOST_PP_DETAIL_IBP_IS_VARIADIC_R_, \
+        BOOST_PP_DETAIL_IBP_IS_VARIADIC_C __VA_ARGS__ \
+        ) \
+      ) \
+/**/
+
+#endif /* BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400 */
+#endif /* BOOST_PP_VARIADICS */
+#endif /* BOOST_PREPROCESSOR_IS_BEGIN_PARENS_HPP */

test/Jamfile.v2

@@ -25,9 +25,11 @@ test-suite preprocessor
         [ compile control.cpp ]
         [ compile debug.cpp ]
         [ compile facilities.cpp ]
+        [ compile isempty.cpp ]
         [ compile iteration.cpp ]
         [ compile list.cpp ]
         [ compile logical.cpp ]
+        [ compile punctuation.cpp ]
         [ compile repetition.cpp ]
         [ compile selection.cpp ]
         [ compile seq.cpp ]
@@ -44,6 +46,7 @@ test-suite preprocessor_nvm
         [ compile control.cpp : <define>BOOST_PP_VARIADICS=0 : control_nvm ]
         [ compile debug.cpp : <define>BOOST_PP_VARIADICS=0 : debug_nvm ]
         [ compile facilities.cpp : <define>BOOST_PP_VARIADICS=0 : facilities_nvm ]
+        [ compile isempty.cpp : <define>BOOST_PP_VARIADICS=0 : isempty_nvm ]
         [ compile iteration.cpp : <define>BOOST_PP_VARIADICS=0 : iteration_nvm ]
         [ compile list.cpp : <define>BOOST_PP_VARIADICS=0 : list_nvm ]
         [ compile logical.cpp : <define>BOOST_PP_VARIADICS=0 : logical_nvm ]
@@ -80,6 +83,10 @@ test-suite preprocessor_c
           : <toolset>gcc:<cflags>-std=c99
           : facilities_c 
         ]
+        [ compile isempty.c 
+          : <toolset>gcc:<cflags>-std=c99
+          : isempty_c 
+        ]
         [ compile list.c 
           : <toolset>gcc:<cflags>-std=c99
           : list_c 
@@ -88,6 +95,10 @@ test-suite preprocessor_c
           : <toolset>gcc:<cflags>-std=c99
           : logical_c 
         ]
+        [ compile punctuation.c 
+          : <toolset>gcc:<cflags>-std=c99
+          : punctuation_c 
+        ]
         [ compile selection.c 
           : <toolset>gcc:<cflags>-std=c99
           : selection_c 
@@ -142,6 +153,11 @@ test-suite preprocessor_c_nvm
             <toolset>gcc:<cflags>-std=c99
           : facilities_c_nvm 
         ]
+        [ compile isempty.c 
+          : <define>BOOST_PP_VARIADICS=0
+            <toolset>gcc:<cflags>-std=c99
+          : isempty_c_nvm 
+        ]
         [ compile list.c 
           : <define>BOOST_PP_VARIADICS=0
             <toolset>gcc:<cflags>-std=c99

test/isempty.c

@@ -0,0 +1,12 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <libs/preprocessor/test/isempty.cxx>

test/isempty.cpp

@@ -0,0 +1,12 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Paul Mensonides 2002.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <libs/preprocessor/test/isempty.cxx>

test/isempty.cxx

@@ -0,0 +1,42 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <boost/preprocessor/facilities/empty.hpp>
+# include <boost/preprocessor/facilities/is_empty.hpp>
+# include <boost/preprocessor/facilities/is_empty_or_1.hpp>
+# include <boost/preprocessor/facilities/is_1.hpp>
+# include <libs/preprocessor/test/test.h>
+
+#if BOOST_PP_VARIADICS
+
+#define DATA
+#define OBJECT OBJECT2
+#define OBJECT2
+#define FUNC(x) FUNC2(x)
+#define FUNC2(x)
+#define FUNC_GEN3() anything
+#define FUNC_GEN4(x) anything
+  
+#if defined(BOOST_PP_VARIADICS_MSVC)
+
+#else
+
+#endif
+
+BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_EMPTY()) == 1 END
+BEGIN BOOST_PP_IS_EMPTY(DATA BOOST_PP_EMPTY()) == 1 END
+BEGIN BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()) == 0 END
+BEGIN BOOST_PP_IS_EMPTY(OBJECT BOOST_PP_EMPTY()) == 1 END
+BEGIN BOOST_PP_IS_EMPTY(FUNC(z) BOOST_PP_EMPTY()) == 1 END
+BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END
+BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END
+  
+#endif

test/punctuation.c

@@ -0,0 +1,14 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Paul Mensonides 2002.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* Revised by Edward Diener (2011) */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <libs/preprocessor/test/punctuation.cxx>

test/punctuation.cpp

@@ -0,0 +1,14 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Paul Mensonides 2002.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* Revised by Edward Diener (2011) */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# include <libs/preprocessor/test/punctuation.cxx>

test/punctuation.cxx

@@ -0,0 +1,42 @@
+# /* **************************************************************************
+#  *                                                                          *
+#  *     (C) Copyright Edward Diener 2014.
+#  *     Distributed under the Boost Software License, Version 1.0. (See
+#  *     accompanying file LICENSE_1_0.txt or copy at
+#  *     http://www.boost.org/LICENSE_1_0.txt)
+#  *                                                                          *
+#  ************************************************************************** */
+#
+# /* See http://www.boost.org for most recent version. */
+#
+# if BOOST_PP_VARIADICS
+# include <boost/preprocessor/punctuation.hpp>
+# include <libs/preprocessor/test/test.h>
+
+# define A_TUPLE (*,#,zz)
+# define A_TUPLE2 (*,#,(zz,44,(e7)))
+# define A_TUPLE_PLUS (mmf,34,^^,!) 456
+# define PLUS_ATUPLE yyt (j,ii%)
+# define JDATA ggh 
+# define NOT_TUPLE y6()
+# define NOT_TUPLE2 &(kkkgg,(e))
+# define A_SEQ (r)($)(#)
+# define AN_ARRAY (4,(5,7,f,x)) 
+# define A_LIST (e,(g,(&,BOOST_PP_NIL)))
+  
+// is_begin_parens
+
+BEGIN BOOST_PP_IS_BEGIN_PARENS() == 0 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(A_TUPLE) == 1 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(A_TUPLE2) == 1 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(A_TUPLE_PLUS) == 1 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(PLUS_ATUPLE) == 0 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(JDATA) == 0 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(NOT_TUPLE) == 0 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(NOT_TUPLE2) == 0 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(A_SEQ) == 1 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(AN_ARRAY) == 1 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS(A_LIST) == 1 END
+BEGIN BOOST_PP_IS_BEGIN_PARENS((y)2(x)) == 1 END
+
+#endif