mirror of
https://github.com/freebsd/freebsd-src
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302da1a3d3
Lots of new unit-tests increase code coverage. Lots of refactoring, cleanup and simlpification to reduce code size. Fixes for Bug 223564 and 245807 Updates to dirdeps.mk and meta2deps.py
216 lines
8.1 KiB
C
Executable File
216 lines
8.1 KiB
C
Executable File
/* $NetBSD: enum.h,v 1.12 2020/09/25 15:54:50 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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/* Generate string representations for bitmasks and simple enums. */
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#include <stddef.h>
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typedef struct EnumToStringSpec {
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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_FlagsToString(char *, size_t, int, const EnumToStringSpec *);
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const char *Enum_ValueToString(int, const EnumToStringSpec *);
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/* For Enum_FlagsToString, the separator between flags. */
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#define ENUM__SEP "|"
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/* Generate the string that joins all possible flags, to see how large the
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* buffer must be. */
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#define ENUM__JOIN_STR_1(v1) \
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#v1
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#define ENUM__JOIN_STR_2(v1, v2) \
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ENUM__JOIN_STR_1(v1) ENUM__SEP \
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ENUM__JOIN_STR_1(v2)
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#define ENUM__JOIN_STR_4(v1, v2, v3, v4) \
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ENUM__JOIN_STR_2(v1, v2) ENUM__SEP \
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ENUM__JOIN_STR_2(v3, v4)
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#define ENUM__JOIN_STR_8(v1, v2, v3, v4, v5, v6, v7, v8) \
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ENUM__JOIN_STR_4(v1, v2, v3, v4) ENUM__SEP \
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ENUM__JOIN_STR_4(v5, v6, v7, v8)
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#define ENUM__JOIN_STR_16(v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16) \
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ENUM__JOIN_STR_8(v01, v02, v03, v04, v05, v06, v07, v08) ENUM__SEP \
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ENUM__JOIN_STR_8(v09, v10, v11, v12, v13, v14, v15, v16)
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#define ENUM__JOIN_2(part1, part2) \
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part1 ENUM__SEP part2
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#define ENUM__JOIN_3(part1, part2, part3) \
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part1 ENUM__SEP part2 ENUM__SEP part3
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#define ENUM__JOIN_4(part1, part2, part3, part4) \
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part1 ENUM__SEP part2 ENUM__SEP part3 ENUM__SEP part4
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#define ENUM__JOIN_5(part1, part2, part3, part4, part5) \
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part1 ENUM__SEP part2 ENUM__SEP part3 ENUM__SEP part4 ENUM__SEP part5
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/* List the pairs of enum value and corresponding name. */
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#define ENUM__SPEC_1(v1) \
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{ v1, #v1 }
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#define ENUM__SPEC_2(v1, v2) \
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ENUM__SPEC_1(v1), \
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ENUM__SPEC_1(v2)
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#define ENUM__SPEC_4(v1, v2, v3, v4) \
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ENUM__SPEC_2(v1, v2), \
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ENUM__SPEC_2(v3, v4)
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#define ENUM__SPEC_8(v1, v2, v3, v4, v5, v6, v7, v8) \
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ENUM__SPEC_4(v1, v2, v3, v4), \
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ENUM__SPEC_4(v5, v6, v7, v8)
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#define ENUM__SPEC_16(v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16) \
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ENUM__SPEC_8(v01, v02, v03, v04, v05, v06, v07, v08), \
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ENUM__SPEC_8(v09, v10, v11, v12, v13, v14, v15, v16)
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#define ENUM__SPECS_2(part1, part2) \
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{ part1, part2, { 0, "" } }
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#define ENUM__SPECS_3(part1, part2, part3) \
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{ part1, part2, part3, { 0, "" } }
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#define ENUM__SPECS_4(part1, part2, part3, part4) \
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{ part1, part2, part3, part4, { 0, "" } }
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#define ENUM__SPECS_5(part1, part2, part3, part4, part5) \
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{ part1, part2, part3, part4, part5, { 0, "" } }
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/* Declare the necessary data structures for calling Enum_ValueToString. */
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#define ENUM__VALUE_RTTI(typnam, specs) \
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static const EnumToStringSpec typnam ## _ ## ToStringSpecs[] = specs
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/* Declare the necessary data structures for calling Enum_FlagsToString. */
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#define ENUM__FLAGS_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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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 2 flags. */
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#define ENUM_FLAGS_RTTI_2(typnam, v1, v2) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_1(v1), \
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ENUM__SPEC_1(v2)), \
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ENUM__JOIN_2( \
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ENUM__JOIN_STR_1(v1), \
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ENUM__JOIN_STR_1(v2)))
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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 3 flags. */
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#define ENUM_FLAGS_RTTI_3(typnam, v1, v2, v3) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_2(v1, v2), \
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ENUM__SPEC_1(v3)), \
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ENUM__JOIN_2( \
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ENUM__JOIN_STR_2(v1, v2), \
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ENUM__JOIN_STR_1(v3)))
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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 6 flags. */
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#define ENUM_FLAGS_RTTI_6(typnam, v1, v2, v3, v4, v5, v6) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_4(v1, v2, v3, v4), \
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ENUM__SPEC_2(v5, v6)), \
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ENUM__JOIN_2( \
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ENUM__JOIN_STR_4(v1, v2, v3, v4), \
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ENUM__JOIN_STR_2(v5, v6)))
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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 8 flags. */
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#define ENUM_FLAGS_RTTI_8(typnam, v1, v2, v3, v4, v5, v6, v7, v8) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_4(v1, v2, v3, v4), \
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ENUM__SPEC_4(v5, v6, v7, v8)), \
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ENUM__JOIN_2( \
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ENUM__JOIN_STR_4(v1, v2, v3, v4), \
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ENUM__JOIN_STR_4(v5, v6, v7, v8)))
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/* Declare the necessary data structures for calling Enum_ValueToString
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* for an enum with 8 constants. */
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#define ENUM_VALUE_RTTI_8(typnam, v1, v2, v3, v4, v5, v6, v7, v8) \
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ENUM__VALUE_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_4(v1, v2, v3, v4), \
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ENUM__SPEC_4(v5, v6, v7, v8)))
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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 10 flags. */
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#define ENUM_FLAGS_RTTI_10(typnam, v1, v2, v3, v4, v5, v6, v7, v8, v9, v10) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_8(v1, v2, v3, v4, v5, v6, v7, v8), \
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ENUM__SPEC_2(v9, v10)), \
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ENUM__JOIN_2( \
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ENUM__JOIN_STR_8(v1, v2, v3, v4, v5, v6, v7, v8), \
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ENUM__JOIN_STR_2(v9, v10)))
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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 31 flags. */
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#define ENUM_FLAGS_RTTI_31(typnam, \
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v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16, \
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v17, v18, v19, v20, v21, v22, v23, v24, \
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v25, v26, v27, v28, v29, v30, v31) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_5( \
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ENUM__SPEC_16(v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16), \
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ENUM__SPEC_8(v17, v18, v19, v20, v21, v22, v23, v24), \
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ENUM__SPEC_4(v25, v26, v27, v28), \
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ENUM__SPEC_2(v29, v30), \
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ENUM__SPEC_1(v31)), \
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ENUM__JOIN_5( \
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ENUM__JOIN_STR_16(v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16), \
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ENUM__JOIN_STR_8(v17, v18, v19, v20, v21, v22, v23, v24), \
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ENUM__JOIN_STR_4(v25, v26, v27, v28), \
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ENUM__JOIN_STR_2(v29, v30), \
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ENUM__JOIN_STR_1(v31)))
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/* Declare the necessary data structures for calling Enum_FlagsToString
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* for an enum with 32 flags. */
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#define ENUM_FLAGS_RTTI_32(typnam, \
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v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16, \
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v17, v18, v19, v20, v21, v22, v23, v24, \
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v25, v26, v27, v28, v29, v30, v31, v32) \
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ENUM__FLAGS_RTTI(typnam, \
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ENUM__SPECS_2( \
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ENUM__SPEC_16(v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16), \
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ENUM__SPEC_16(v17, v18, v19, v20, v21, v22, v23, v24, \
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v25, v26, v27, v28, v29, v30, v31, v32)), \
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ENUM__JOIN_2( \
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ENUM__JOIN_STR_16(v01, v02, v03, v04, v05, v06, v07, v08, \
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v09, v10, v11, v12, v13, v14, v15, v16), \
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ENUM__JOIN_STR_16(v17, v18, v19, v20, v21, v22, v23, v24, \
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v25, v26, v27, v28, v29, v30, v31, v32)))
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#endif
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