96 lines
3.0 KiB
C
96 lines
3.0 KiB
C
/* $NetBSD: enum.h,v 1.5 2020/08/09 09:44:14 rillig Exp $ */
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/*
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Copyright (c) 2020 Roland Illig <rillig@NetBSD.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef MAKE_ENUM_H
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#define MAKE_ENUM_H
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/*
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* Generate string representation for bitmasks.
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*/
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#include <stddef.h>
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typedef struct {
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int es_value;
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const char *es_name;
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} EnumToStringSpec;
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const char *Enum_ToString(char *, size_t, int, const EnumToStringSpec *);
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#define ENUM__SEP "|"
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#define ENUM__JOIN_1(v1) \
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#v1
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#define ENUM__JOIN_2(v1, v2) \
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#v1 ENUM__SEP ENUM__JOIN_1(v2)
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#define ENUM__JOIN_3(v1, v2, v3) \
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#v1 ENUM__SEP ENUM__JOIN_2(v2, v3)
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#define ENUM__JOIN_4(v1, v2, v3, v4) \
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#v1 ENUM__SEP ENUM__JOIN_3(v2, v3, v4)
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#define ENUM__JOIN_5(v1, v2, v3, v4, v5) \
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#v1 ENUM__SEP ENUM__JOIN_4(v2, v3, v4, v5)
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#define ENUM__JOIN_6(v1, v2, v3, v4, v5, v6) \
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#v1 ENUM__SEP ENUM__JOIN_5(v2, v3, v4, v5, v6)
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#define ENUM__JOIN_7(v1, v2, v3, v4, v5, v6, v7) \
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#v1 ENUM__SEP ENUM__JOIN_6(v2, v3, v4, v5, v6, v7)
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#define ENUM__RTTI(typnam, specs, joined) \
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static const EnumToStringSpec typnam ## _ ## ToStringSpecs[] = specs; \
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enum { typnam ## _ ## ToStringSize = sizeof joined }
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#define ENUM__SPEC(v) { v, #v }
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#define ENUM__SPEC_3(v1, v2, v3) { \
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ENUM__SPEC(v1), \
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ENUM__SPEC(v2), \
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ENUM__SPEC(v3), \
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{ 0, "" } }
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#define ENUM__SPEC_7(v1, v2, v3, v4, v5, v6, v7) { \
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ENUM__SPEC(v1), \
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ENUM__SPEC(v2), \
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ENUM__SPEC(v3), \
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ENUM__SPEC(v4), \
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ENUM__SPEC(v5), \
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ENUM__SPEC(v6), \
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ENUM__SPEC(v7), \
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{ 0, "" } }
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#define ENUM_RTTI_3(typnam, v1, v2, v3) \
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ENUM__RTTI(typnam, \
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ENUM__SPEC_3(v1, v2, v3), \
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ENUM__JOIN_3(v1, v2, v3))
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#define ENUM_RTTI_7(typnam, v1, v2, v3, v4, v5, v6, v7) \
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ENUM__RTTI(typnam, \
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ENUM__SPEC_7(v1, v2, v3, v4, v5, v6, v7), \
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ENUM__JOIN_7(v1, v2, v3, v4, v5, v6, v7))
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#endif
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