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P99
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P99
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00001 /* This may look like nonsense, but it really is -*- mode: C -*- */ 00002 /* */ 00003 /* Except of parts copied from previous work and as explicitly stated below, */ 00004 /* the author and copyright holder for this work is */ 00005 /* (C) copyright 2010-2011 Jens Gustedt, INRIA, France */ 00006 /* */ 00007 /* This file is free software; it is part of the P99 project. */ 00008 /* You can redistribute it and/or modify it under the terms of the QPL as */ 00009 /* given in the file LICENSE. It is distributed without any warranty; */ 00010 /* without even the implied warranty of merchantability or fitness for a */ 00011 /* particular purpose. */ 00012 /* */ 00013 #ifndef P99_ARGS_H_ 00014 # define P99_ARGS_H_ 00015 00021 #include "p99_paste.h" 00022 00041 #define P00_NARG(...) P00_NARG_1(__VA_ARGS__) 00042 00043 #define P00_IS__EQ__(...) , 00044 00065 #define P99_IS_EMPTY(...) \ 00066 P00_ISEMPTY( \ 00067 /* test if there is just one argument, eventually an empty \ 00068 one */ \ 00069 P99_HAS_COMMA(__VA_ARGS__), \ 00070 /* test if P99_IS__EQ__ together with the argument \ 00071 adds a comma */ \ 00072 P99_HAS_COMMA(P00_IS__EQ__ __VA_ARGS__), \ 00073 /* test if the argument together with a parenthesis \ 00074 adds a comma */ \ 00075 P99_HAS_COMMA(__VA_ARGS__ (/*empty*/)), \ 00076 /* test if placing it between P99_IS__EQ__ and the \ 00077 parenthesis adds a comma */ \ 00078 P99_HAS_COMMA(P00_IS__EQ__ __VA_ARGS__ (/*empty*/)) \ 00079 ) 00080 00081 #define P00_ISEMPTY(_0, _1, _2, _3) P99_HAS_COMMA(P99_PASTE5(P00_IS_EMPTY_CASE_, _0, _1, _2, _3)) 00082 #define P00_IS_EMPTY_CASE_0000 P00_IS_EMPTY_CASE_0000 00083 #define P00_IS_EMPTY_CASE_0001 , 00084 #define P00_IS_EMPTY_CASE_0010 P00_IS_EMPTY_CASE_0010 00085 #define P00_IS_EMPTY_CASE_0011 P00_IS_EMPTY_CASE_0011 00086 #define P00_IS_EMPTY_CASE_0100 P00_IS_EMPTY_CASE_0100 00087 #define P00_IS_EMPTY_CASE_0101 P00_IS_EMPTY_CASE_0101 00088 #define P00_IS_EMPTY_CASE_0110 P00_IS_EMPTY_CASE_0110 00089 #define P00_IS_EMPTY_CASE_0111 P00_IS_EMPTY_CASE_0111 00090 #define P00_IS_EMPTY_CASE_1000 P00_IS_EMPTY_CASE_1000 00091 #define P00_IS_EMPTY_CASE_1001 P00_IS_EMPTY_CASE_1001 00092 #define P00_IS_EMPTY_CASE_1010 P00_IS_EMPTY_CASE_1010 00093 #define P00_IS_EMPTY_CASE_1011 P00_IS_EMPTY_CASE_1011 00094 #define P00_IS_EMPTY_CASE_1100 P00_IS_EMPTY_CASE_1100 00095 #define P00_IS_EMPTY_CASE_1101 P00_IS_EMPTY_CASE_1101 00096 #define P00_IS_EMPTY_CASE_1110 P00_IS_EMPTY_CASE_1110 00097 #define P00_IS_EMPTY_CASE_1111 P00_IS_EMPTY_CASE_1111 00098 00099 00100 #define P00_NARG_EMPTY_1(VAL) 0 00101 #define P00_NARG_EMPTY_0(VAL) VAL 00102 00111 #define P99_NARG(...) P00_NARG__1(P99_IS_EMPTY(__VA_ARGS__), P00_NARG(__VA_ARGS__)) 00112 #define P00_NARG__1(B, VAL) P00_NARG__2(P99_PASTE2(P00_NARG_EMPTY_, B), VAL) 00113 #define P00_NARG__2(B, VAL) B(VAL) 00114 00115 00136 #define P99_TOK_EQ(TOK, ...) P00_TOK_EQ_(P99_PASTE3(P00_IS_, TOK, _EQ_), __VA_ARGS__) 00137 #define P00_TOK_EQ_(MAC, ...) P00_TOK_EQ__(MAC, __VA_ARGS__) 00138 #define P00_TOK_EQ__(MAC, ...) P99_HAS_COMMA(P99_PASTE2(P00_TOK_EQ_, P00_NARG(MAC ## __VA_ARGS__ (~) MAC ## __VA_ARGS__))(~)) 00139 00140 #define P00_TOK_EQ_0(...) ~ 00141 #define P00_TOK_EQ_1(...) ~ 00142 #define P00_TOK_EQ_2(...) , 00143 #define P00_TOK_EQ_3(...) ~ 00144 #define P00_TOK_EQ_4(...) ~ 00145 00146 00207 #define P99_VA_ARGS(X) size_t X , ... 00208 00209 #define P00_FSYMB(NAME) P99_PASTE5(NAME, _f, sy, mb, _) 00210 00217 #define P99_FSYMB(NAME) P00_FSYMB(NAME) 00218 00228 #define P99_LENGTH_VA_ARG(...) ((size_t)P99_NARG(__VA_ARGS__)), __VA_ARGS__ 00229 00230 00276 #define P99_LENGTH_ARR_ARG(T, ...) ((size_t)P99_NARG(__VA_ARGS__)), (T[]){ __VA_ARGS__ } 00277 00278 00285 #endif /* !P99_ARGS_H_ */
1.7.6.1
