From 7c8bd6dec338c11090194e42d0437e8693bb8f2c Mon Sep 17 00:00:00 2001 From: Paul Mensonides Date: Fri, 12 Aug 2005 20:42:15 +0000 Subject: [PATCH] dedicated counter [SVN r30562] --- doc/headers.html | 1 + doc/headers/slot/counter.html | 20 ++ doc/ref.html | 3 + doc/ref/counter.html | 47 +++ doc/ref/update_counter.html | 23 ++ doc/syntax.html | 5 + include/boost/preprocessor/slot/counter.hpp | 25 ++ .../preprocessor/slot/detail/counter.hpp | 269 ++++++++++++++++++ 8 files changed, 393 insertions(+) create mode 100644 doc/headers/slot/counter.html create mode 100644 doc/ref/counter.html create mode 100644 doc/ref/update_counter.html create mode 100644 include/boost/preprocessor/slot/counter.hpp create mode 100644 include/boost/preprocessor/slot/detail/counter.hpp diff --git a/doc/headers.html b/doc/headers.html index 4046071..4545253 100644 --- a/doc/headers.html +++ b/doc/headers.html @@ -189,6 +189,7 @@
  • transform.hpp
  • slot.hpp
  • slot/
    • +
  • counter.hpp
  • slot.hpp
  • tuple.hpp
  • tuple/
    • diff --git a/doc/headers/slot/counter.html b/doc/headers/slot/counter.html new file mode 100644 index 0000000..888ad32 --- /dev/null +++ b/doc/headers/slot/counter.html @@ -0,0 +1,20 @@ + + + slot/counter.hpp + + + +
    + The slot/counter.hpp header defines macros used to generate numbers that are unique within a translation unit. +
    +

    Usage

    +
    + #include <boost/preprocessor/slot/counter.hpp> +
    +

    Contents

    + + + diff --git a/doc/ref.html b/doc/ref.html index 66b40ec..030e7f2 100644 --- a/doc/ref.html +++ b/doc/ref.html @@ -45,6 +45,7 @@
  • COMMA_IF
  • COMPL
  • CONFIG_EXTENDED_LINE_INFO
    • +
  • COUNTER
  • DEC
  • DEDUCE_D
    • @@ -261,6 +262,8 @@
  • TUPLE_REVERSE
  • TUPLE_TO_LIST
  • TUPLE_TO_SEQ
    • + +
  • UPDATE_COUNTER
  • VALUE
    • diff --git a/doc/ref/counter.html b/doc/ref/counter.html new file mode 100644 index 0000000..6946c3e --- /dev/null +++ b/doc/ref/counter.html @@ -0,0 +1,47 @@ + + + BOOST_PP_COUNTER + + + +
    + The BOOST_PP_COUNTER macro expands to the current counter value. +
    +

    Usage

    +
    + BOOST_PP_COUNTER +
    +

    Remarks

    +
    + This macro expands to an integer literal. + Its initial value is 0. + Between usages of BOOST_PP_UPDATE_COUNTER, the value of BOOST_PP_COUNTER is constant. +
    +

    See Also

    + +

    Requirements

    +
    + Header:  <boost/preprocessor/slot/counter.hpp> +
    +

    Sample Code

    +
    +#include <boost/preprocessor/slot/counter.hpp>
+
+BOOST_PP_COUNTER // 0
+
+#include BOOST_PP_UPDATE_COUNTER()
+
+BOOST_PP_COUNTER // 1
+
+#include BOOST_PP_UPDATE_COUNTER()
+
+BOOST_PP_COUNTER // 2
+
+#include BOOST_PP_UPDATE_COUNTER()
+
+BOOST_PP_COUNTER // 3
+
    + + diff --git a/doc/ref/update_counter.html b/doc/ref/update_counter.html new file mode 100644 index 0000000..b6878f4 --- /dev/null +++ b/doc/ref/update_counter.html @@ -0,0 +1,23 @@ + + + BOOST_PP_UPDATE_COUNTER + + + +
    + The BOOST_PP_UPDATE_COUNTER macro increments the current counter value. +
    +

    Usage

    +
    + #include BOOST_PP_UPDATE_COUNTER() +
    +

    See Also

    + +

    Requirements

    +
    + Header:  <boost/preprocessor/slot/counter.hpp> +
    + + diff --git a/doc/syntax.html b/doc/syntax.html index 2ae706f..60df4a5 100644 --- a/doc/syntax.html +++ b/doc/syntax.html @@ -42,6 +42,7 @@
    BOOST_PP_COMMA_IF
    BOOST_PP_COMPL
    BOOST_PP_CONFIG_EXTENDED_LINE_INFO +
    BOOST_PP_COUNTER
    BOOST_PP_DEC
    BOOST_PP_DEDUCE_D @@ -59,6 +60,8 @@
    BOOST_PP_ENUM_PARAMS_WITH_DEFAULTS
    BOOST_PP_ENUM_PARAMS_Z
    BOOST_PP_ENUM_SHIFTED +
    BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS +
    BOOST_PP_ENUM_SHIFTED_BINARY_PARAMS_Z
    BOOST_PP_ENUM_SHIFTED_PARAMS
    BOOST_PP_ENUM_SHIFTED_PARAMS_Z
    BOOST_PP_ENUM_SHIFTED_ @@ -264,6 +267,8 @@
    BOOST_PP_TUPLE_REVERSE
    BOOST_PP_TUPLE_TO_LIST
    BOOST_PP_TUPLE_TO_SEQ + +
    BOOST_PP_UPDATE_COUNTER
    BOOST_PP_VALUE diff --git a/include/boost/preprocessor/slot/counter.hpp b/include/boost/preprocessor/slot/counter.hpp new file mode 100644 index 0000000..d257a64 --- /dev/null +++ b/include/boost/preprocessor/slot/counter.hpp @@ -0,0 +1,25 @@ +# /* ************************************************************************** +# * * +# * (C) Copyright Paul Mensonides 2005. * +# * 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_SLOT_COUNTER_HPP +# define BOOST_PREPROCESSOR_SLOT_COUNTER_HPP +# +# include +# +# /* BOOST_PP_COUNTER */ +# +# define BOOST_PP_COUNTER 0 +# +# /* BOOST_PP_UPDATE_COUNTER */ +# +# define BOOST_PP_UPDATE_COUNTER() +# +# endif diff --git a/include/boost/preprocessor/slot/detail/counter.hpp b/include/boost/preprocessor/slot/detail/counter.hpp new file mode 100644 index 0000000..a1c0df1 --- /dev/null +++ b/include/boost/preprocessor/slot/detail/counter.hpp @@ -0,0 +1,269 @@ +# /* ************************************************************************** +# * * +# * (C) Copyright Paul Mensonides 2005. * +# * 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. */ +# +# define BOOST_PP_VALUE BOOST_PP_COUNTER + 1 +# +# include +# +# undef BOOST_PP_COUNTER +# +# undef BOOST_PP_COUNTER_DIGIT_1 +# undef BOOST_PP_COUNTER_DIGIT_2 +# undef BOOST_PP_COUNTER_DIGIT_3 +# undef BOOST_PP_COUNTER_DIGIT_4 +# undef BOOST_PP_COUNTER_DIGIT_5 +# undef BOOST_PP_COUNTER_DIGIT_6 +# undef BOOST_PP_COUNTER_DIGIT_7 +# undef BOOST_PP_COUNTER_DIGIT_8 +# undef BOOST_PP_COUNTER_DIGIT_9 +# undef BOOST_PP_COUNTER_DIGIT_10 +# +# if BOOST_PP_SLOT_TEMP_10 == 0 +# define BOOST_PP_COUNTER_DIGIT_10 0 +# elif BOOST_PP_SLOT_TEMP_10 == 1 +# define BOOST_PP_COUNTER_DIGIT_10 1 +# elif BOOST_PP_SLOT_TEMP_10 == 2 +# define BOOST_PP_COUNTER_DIGIT_10 2 +# elif BOOST_PP_SLOT_TEMP_10 == 3 +# define BOOST_PP_COUNTER_DIGIT_10 3 +# elif BOOST_PP_SLOT_TEMP_10 == 4 +# define BOOST_PP_COUNTER_DIGIT_10 4 +# elif BOOST_PP_SLOT_TEMP_10 == 5 +# define BOOST_PP_COUNTER_DIGIT_10 5 +# elif BOOST_PP_SLOT_TEMP_10 == 6 +# define BOOST_PP_COUNTER_DIGIT_10 6 +# elif BOOST_PP_SLOT_TEMP_10 == 7 +# define BOOST_PP_COUNTER_DIGIT_10 7 +# elif BOOST_PP_SLOT_TEMP_10 == 8 +# define BOOST_PP_COUNTER_DIGIT_10 8 +# elif BOOST_PP_SLOT_TEMP_10 == 9 +# define BOOST_PP_COUNTER_DIGIT_10 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_9 == 0 +# define BOOST_PP_COUNTER_DIGIT_9 0 +# elif BOOST_PP_SLOT_TEMP_9 == 1 +# define BOOST_PP_COUNTER_DIGIT_9 1 +# elif BOOST_PP_SLOT_TEMP_9 == 2 +# define BOOST_PP_COUNTER_DIGIT_9 2 +# elif BOOST_PP_SLOT_TEMP_9 == 3 +# define BOOST_PP_COUNTER_DIGIT_9 3 +# elif BOOST_PP_SLOT_TEMP_9 == 4 +# define BOOST_PP_COUNTER_DIGIT_9 4 +# elif BOOST_PP_SLOT_TEMP_9 == 5 +# define BOOST_PP_COUNTER_DIGIT_9 5 +# elif BOOST_PP_SLOT_TEMP_9 == 6 +# define BOOST_PP_COUNTER_DIGIT_9 6 +# elif BOOST_PP_SLOT_TEMP_9 == 7 +# define BOOST_PP_COUNTER_DIGIT_9 7 +# elif BOOST_PP_SLOT_TEMP_9 == 8 +# define BOOST_PP_COUNTER_DIGIT_9 8 +# elif BOOST_PP_SLOT_TEMP_9 == 9 +# define BOOST_PP_COUNTER_DIGIT_9 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_8 == 0 +# define BOOST_PP_COUNTER_DIGIT_8 0 +# elif BOOST_PP_SLOT_TEMP_8 == 1 +# define BOOST_PP_COUNTER_DIGIT_8 1 +# elif BOOST_PP_SLOT_TEMP_8 == 2 +# define BOOST_PP_COUNTER_DIGIT_8 2 +# elif BOOST_PP_SLOT_TEMP_8 == 3 +# define BOOST_PP_COUNTER_DIGIT_8 3 +# elif BOOST_PP_SLOT_TEMP_8 == 4 +# define BOOST_PP_COUNTER_DIGIT_8 4 +# elif BOOST_PP_SLOT_TEMP_8 == 5 +# define BOOST_PP_COUNTER_DIGIT_8 5 +# elif BOOST_PP_SLOT_TEMP_8 == 6 +# define BOOST_PP_COUNTER_DIGIT_8 6 +# elif BOOST_PP_SLOT_TEMP_8 == 7 +# define BOOST_PP_COUNTER_DIGIT_8 7 +# elif BOOST_PP_SLOT_TEMP_8 == 8 +# define BOOST_PP_COUNTER_DIGIT_8 8 +# elif BOOST_PP_SLOT_TEMP_8 == 9 +# define BOOST_PP_COUNTER_DIGIT_8 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_7 == 0 +# define BOOST_PP_COUNTER_DIGIT_7 0 +# elif BOOST_PP_SLOT_TEMP_7 == 1 +# define BOOST_PP_COUNTER_DIGIT_7 1 +# elif BOOST_PP_SLOT_TEMP_7 == 2 +# define BOOST_PP_COUNTER_DIGIT_7 2 +# elif BOOST_PP_SLOT_TEMP_7 == 3 +# define BOOST_PP_COUNTER_DIGIT_7 3 +# elif BOOST_PP_SLOT_TEMP_7 == 4 +# define BOOST_PP_COUNTER_DIGIT_7 4 +# elif BOOST_PP_SLOT_TEMP_7 == 5 +# define BOOST_PP_COUNTER_DIGIT_7 5 +# elif BOOST_PP_SLOT_TEMP_7 == 6 +# define BOOST_PP_COUNTER_DIGIT_7 6 +# elif BOOST_PP_SLOT_TEMP_7 == 7 +# define BOOST_PP_COUNTER_DIGIT_7 7 +# elif BOOST_PP_SLOT_TEMP_7 == 8 +# define BOOST_PP_COUNTER_DIGIT_7 8 +# elif BOOST_PP_SLOT_TEMP_7 == 9 +# define BOOST_PP_COUNTER_DIGIT_7 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_6 == 0 +# define BOOST_PP_COUNTER_DIGIT_6 0 +# elif BOOST_PP_SLOT_TEMP_6 == 1 +# define BOOST_PP_COUNTER_DIGIT_6 1 +# elif BOOST_PP_SLOT_TEMP_6 == 2 +# define BOOST_PP_COUNTER_DIGIT_6 2 +# elif BOOST_PP_SLOT_TEMP_6 == 3 +# define BOOST_PP_COUNTER_DIGIT_6 3 +# elif BOOST_PP_SLOT_TEMP_6 == 4 +# define BOOST_PP_COUNTER_DIGIT_6 4 +# elif BOOST_PP_SLOT_TEMP_6 == 5 +# define BOOST_PP_COUNTER_DIGIT_6 5 +# elif BOOST_PP_SLOT_TEMP_6 == 6 +# define BOOST_PP_COUNTER_DIGIT_6 6 +# elif BOOST_PP_SLOT_TEMP_6 == 7 +# define BOOST_PP_COUNTER_DIGIT_6 7 +# elif BOOST_PP_SLOT_TEMP_6 == 8 +# define BOOST_PP_COUNTER_DIGIT_6 8 +# elif BOOST_PP_SLOT_TEMP_6 == 9 +# define BOOST_PP_COUNTER_DIGIT_6 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_5 == 0 +# define BOOST_PP_COUNTER_DIGIT_5 0 +# elif BOOST_PP_SLOT_TEMP_5 == 1 +# define BOOST_PP_COUNTER_DIGIT_5 1 +# elif BOOST_PP_SLOT_TEMP_5 == 2 +# define BOOST_PP_COUNTER_DIGIT_5 2 +# elif BOOST_PP_SLOT_TEMP_5 == 3 +# define BOOST_PP_COUNTER_DIGIT_5 3 +# elif BOOST_PP_SLOT_TEMP_5 == 4 +# define BOOST_PP_COUNTER_DIGIT_5 4 +# elif BOOST_PP_SLOT_TEMP_5 == 5 +# define BOOST_PP_COUNTER_DIGIT_5 5 +# elif BOOST_PP_SLOT_TEMP_5 == 6 +# define BOOST_PP_COUNTER_DIGIT_5 6 +# elif BOOST_PP_SLOT_TEMP_5 == 7 +# define BOOST_PP_COUNTER_DIGIT_5 7 +# elif BOOST_PP_SLOT_TEMP_5 == 8 +# define BOOST_PP_COUNTER_DIGIT_5 8 +# elif BOOST_PP_SLOT_TEMP_5 == 9 +# define BOOST_PP_COUNTER_DIGIT_5 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_4 == 0 +# define BOOST_PP_COUNTER_DIGIT_4 0 +# elif BOOST_PP_SLOT_TEMP_4 == 1 +# define BOOST_PP_COUNTER_DIGIT_4 1 +# elif BOOST_PP_SLOT_TEMP_4 == 2 +# define BOOST_PP_COUNTER_DIGIT_4 2 +# elif BOOST_PP_SLOT_TEMP_4 == 3 +# define BOOST_PP_COUNTER_DIGIT_4 3 +# elif BOOST_PP_SLOT_TEMP_4 == 4 +# define BOOST_PP_COUNTER_DIGIT_4 4 +# elif BOOST_PP_SLOT_TEMP_4 == 5 +# define BOOST_PP_COUNTER_DIGIT_4 5 +# elif BOOST_PP_SLOT_TEMP_4 == 6 +# define BOOST_PP_COUNTER_DIGIT_4 6 +# elif BOOST_PP_SLOT_TEMP_4 == 7 +# define BOOST_PP_COUNTER_DIGIT_4 7 +# elif BOOST_PP_SLOT_TEMP_4 == 8 +# define BOOST_PP_COUNTER_DIGIT_4 8 +# elif BOOST_PP_SLOT_TEMP_4 == 9 +# define BOOST_PP_COUNTER_DIGIT_4 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_3 == 0 +# define BOOST_PP_COUNTER_DIGIT_3 0 +# elif BOOST_PP_SLOT_TEMP_3 == 1 +# define BOOST_PP_COUNTER_DIGIT_3 1 +# elif BOOST_PP_SLOT_TEMP_3 == 2 +# define BOOST_PP_COUNTER_DIGIT_3 2 +# elif BOOST_PP_SLOT_TEMP_3 == 3 +# define BOOST_PP_COUNTER_DIGIT_3 3 +# elif BOOST_PP_SLOT_TEMP_3 == 4 +# define BOOST_PP_COUNTER_DIGIT_3 4 +# elif BOOST_PP_SLOT_TEMP_3 == 5 +# define BOOST_PP_COUNTER_DIGIT_3 5 +# elif BOOST_PP_SLOT_TEMP_3 == 6 +# define BOOST_PP_COUNTER_DIGIT_3 6 +# elif BOOST_PP_SLOT_TEMP_3 == 7 +# define BOOST_PP_COUNTER_DIGIT_3 7 +# elif BOOST_PP_SLOT_TEMP_3 == 8 +# define BOOST_PP_COUNTER_DIGIT_3 8 +# elif BOOST_PP_SLOT_TEMP_3 == 9 +# define BOOST_PP_COUNTER_DIGIT_3 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_2 == 0 +# define BOOST_PP_COUNTER_DIGIT_2 0 +# elif BOOST_PP_SLOT_TEMP_2 == 1 +# define BOOST_PP_COUNTER_DIGIT_2 1 +# elif BOOST_PP_SLOT_TEMP_2 == 2 +# define BOOST_PP_COUNTER_DIGIT_2 2 +# elif BOOST_PP_SLOT_TEMP_2 == 3 +# define BOOST_PP_COUNTER_DIGIT_2 3 +# elif BOOST_PP_SLOT_TEMP_2 == 4 +# define BOOST_PP_COUNTER_DIGIT_2 4 +# elif BOOST_PP_SLOT_TEMP_2 == 5 +# define BOOST_PP_COUNTER_DIGIT_2 5 +# elif BOOST_PP_SLOT_TEMP_2 == 6 +# define BOOST_PP_COUNTER_DIGIT_2 6 +# elif BOOST_PP_SLOT_TEMP_2 == 7 +# define BOOST_PP_COUNTER_DIGIT_2 7 +# elif BOOST_PP_SLOT_TEMP_2 == 8 +# define BOOST_PP_COUNTER_DIGIT_2 8 +# elif BOOST_PP_SLOT_TEMP_2 == 9 +# define BOOST_PP_COUNTER_DIGIT_2 9 +# endif +# +# if BOOST_PP_SLOT_TEMP_1 == 0 +# define BOOST_PP_COUNTER_DIGIT_1 0 +# elif BOOST_PP_SLOT_TEMP_1 == 1 +# define BOOST_PP_COUNTER_DIGIT_1 1 +# elif BOOST_PP_SLOT_TEMP_1 == 2 +# define BOOST_PP_COUNTER_DIGIT_1 2 +# elif BOOST_PP_SLOT_TEMP_1 == 3 +# define BOOST_PP_COUNTER_DIGIT_1 3 +# elif BOOST_PP_SLOT_TEMP_1 == 4 +# define BOOST_PP_COUNTER_DIGIT_1 4 +# elif BOOST_PP_SLOT_TEMP_1 == 5 +# define BOOST_PP_COUNTER_DIGIT_1 5 +# elif BOOST_PP_SLOT_TEMP_1 == 6 +# define BOOST_PP_COUNTER_DIGIT_1 6 +# elif BOOST_PP_SLOT_TEMP_1 == 7 +# define BOOST_PP_COUNTER_DIGIT_1 7 +# elif BOOST_PP_SLOT_TEMP_1 == 8 +# define BOOST_PP_COUNTER_DIGIT_1 8 +# elif BOOST_PP_SLOT_TEMP_1 == 9 +# define BOOST_PP_COUNTER_DIGIT_1 9 +# endif +# +# if BOOST_PP_COUNTER_DIGIT_10 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_10(BOOST_PP_COUNTER_DIGIT_10, BOOST_PP_COUNTER_DIGIT_9, BOOST_PP_COUNTER_DIGIT_8, BOOST_PP_COUNTER_DIGIT_7, BOOST_PP_COUNTER_DIGIT_6, BOOST_PP_COUNTER_DIGIT_5, BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_9 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_9(BOOST_PP_COUNTER_DIGIT_9, BOOST_PP_COUNTER_DIGIT_8, BOOST_PP_COUNTER_DIGIT_7, BOOST_PP_COUNTER_DIGIT_6, BOOST_PP_COUNTER_DIGIT_5, BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_8 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_8(BOOST_PP_COUNTER_DIGIT_8, BOOST_PP_COUNTER_DIGIT_7, BOOST_PP_COUNTER_DIGIT_6, BOOST_PP_COUNTER_DIGIT_5, BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_7 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_7(BOOST_PP_COUNTER_DIGIT_7, BOOST_PP_COUNTER_DIGIT_6, BOOST_PP_COUNTER_DIGIT_5, BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_6 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_6(BOOST_PP_COUNTER_DIGIT_6, BOOST_PP_COUNTER_DIGIT_5, BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_5 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_5(BOOST_PP_COUNTER_DIGIT_5, BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_4 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_4(BOOST_PP_COUNTER_DIGIT_4, BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_3 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_3(BOOST_PP_COUNTER_DIGIT_3, BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# elif BOOST_PP_COUNTER_DIGIT_2 +# define BOOST_PP_COUNTER BOOST_PP_SLOT_CC_2(BOOST_PP_COUNTER_DIGIT_2, BOOST_PP_COUNTER_DIGIT_1) +# else +# define BOOST_PP_COUNTER BOOST_PP_COUNTER_DIGIT_1 +# endif